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WO2015113344A1 - 电池充电装置及电池充电保护控制方法 - Google Patents

电池充电装置及电池充电保护控制方法 Download PDF

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Publication number
WO2015113344A1
WO2015113344A1 PCT/CN2014/077474 CN2014077474W WO2015113344A1 WO 2015113344 A1 WO2015113344 A1 WO 2015113344A1 CN 2014077474 W CN2014077474 W CN 2014077474W WO 2015113344 A1 WO2015113344 A1 WO 2015113344A1
Authority
WO
WIPO (PCT)
Prior art keywords
resistor
output
voltage
module
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/077474
Other languages
English (en)
French (fr)
Inventor
张加亮
吴克伟
程文强
胡元祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DK14880730.8T priority Critical patent/DK3101755T3/en
Priority to EP18174633.0A priority patent/EP3386067B1/en
Priority to EP14880730.8A priority patent/EP3101755B1/en
Priority to JP2016549390A priority patent/JP6243052B2/ja
Priority to PL14880730T priority patent/PL3101755T3/pl
Priority to ES14880730.8T priority patent/ES2689502T3/es
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to KR1020187026460A priority patent/KR101996776B1/ko
Priority to KR1020167023636A priority patent/KR101901040B1/ko
Priority to US15/115,251 priority patent/US10461561B2/en
Publication of WO2015113344A1 publication Critical patent/WO2015113344A1/zh
Anticipated expiration legal-status Critical
Priority to US16/572,071 priority patent/US11545843B2/en
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00304—Overcurrent protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00308—Overvoltage protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
    • H02J7/00718—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current in response to charge current gradient
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • H02J7/007184—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage in response to battery voltage gradient
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00302—Overcharge protection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention belongs to the technical field of charging, and particularly relates to a battery charging device and a battery charging protection control method.
  • the battery in most electronic devices is connected to an external power adapter through a communication interface of the electronic device to achieve charging, and in the process of charging the battery, in order to shorten the charging time, the prior art can increase the charging current to achieve the right
  • the battery is used for fast charging.
  • the prior art cannot achieve overvoltage and/or overcurrent protection for the battery when conventionally charging or fast charging the battery in the electronic device.
  • the present invention is achieved by a battery charging device including a power adapter and a charging control module, the charging control module being built in an electronic device and connected to a controller and a battery in the electronic device, the power adapter Connected to the communication interface of the electronic device via its communication interface, and the battery is charged from the power adapter through a communication interface of the electronic device, the charging control module being connected to the electronic device through the communication interface Power adapter for data communication;
  • the power adapter When the battery is subjected to conventional charging or fast charging, the power adapter first determines whether its output voltage is greater than a voltage threshold and whether the output current is greater than a current threshold, if the output voltage is greater than a voltage threshold and/or the output current is greater than a current threshold, the power adapter transmitting a first charge-off command to the charge control module and automatically turning off the DC output, the charge control module driving the controller to turn off the electronic device according to the first charge-off command a communication interface of the device; if the output voltage is not greater than a voltage threshold, and the output current is not greater than a current threshold, the power adapter feeds back output voltage information and output current information to the charging control module when the charging The control module determines, according to the output voltage information and the output current information, that the output voltage of the power adapter is greater than a voltage threshold and/or the output current of the power adapter is greater than a current threshold, the charging control module is to the power adapter Feedback a second charge off command and driving the control Turn
  • Another object of the present invention is to provide a battery charging protection control method based on the above battery charging device, the battery charging protection control method comprising the following steps:
  • the power adapter determines whether its output voltage is greater than a voltage threshold, and determines whether its output current is greater than a current threshold, when the output voltage is greater than a voltage threshold and/or Step B is performed when the output current is greater than the current threshold, and step D is performed when the output voltage is not greater than the voltage threshold, and the output current is not greater than the current threshold;
  • the power adapter sends a first charging shutdown command to the charging control module, and automatically turns off the direct current output;
  • the charging control module drives a controller in the electronic device to close a communication interface of the electronic device according to the first charging off command;
  • the power adapter feeds back output voltage information and output current information to the charging control module
  • the charging control module determines, according to the output voltage information and the output current information, whether an output voltage of the power adapter is greater than a voltage threshold, and determines whether an output current of the power adapter is greater than a current threshold, when the power adapter is Step F is performed when the output voltage is greater than the voltage threshold and/or the output current of the power adapter is greater than the current threshold, and is returned when the output voltage of the power adapter is not greater than the voltage threshold, and the output current of the power adapter is not greater than the current threshold Perform step A;
  • the charging control module feeds back a second charging shutdown command to the power adapter, and drives the controller to close a communication interface of the electronic device;
  • the power adapter turns off the direct current output according to the second charge off command.
  • the invention adopts a battery charging device including a power adapter and a charging control module to perform charging control on a battery in an electronic device.
  • the power adapter performs data communication with the charging control module, and when the power adapter determines When the DC output of the communication interface is overvoltage and/or overcurrent, the power adapter informs the charging control module to drive the controller in the electronic device to close the communication interface of the electronic device, and turns off the DC output by itself; when the charging control module receives When the output voltage and output current of the power adapter determine overvoltage and/or overcurrent, the charging control module informs the power adapter to turn off the DC output, and drives the controller in the electronic device to turn off the communication interface of the electronic device, thereby Overvoltage and/or overcurrent protection of the battery is achieved when an overvoltage and/or overcurrent output occurs on the communication interface.
  • FIG. 1 is a topological structural diagram of a battery charging device according to an embodiment of the present invention.
  • FIG. 2 is a flow chart showing an implementation of a battery charging protection control method based on the battery charging device shown in FIG. 1;
  • FIG. 3 is a block diagram showing an example of a power adapter of the battery charging device shown in FIG. 1;
  • FIG. 4 is a schematic circuit configuration diagram of the power adapter shown in FIG. 3;
  • FIG. 5 is a circuit diagram showing an example of a circuit of a charging control module in the battery charging device shown in FIG. 1;
  • Fig. 6 is a view showing another example circuit configuration of a charge control module in the battery charging device shown in Fig. 1.
  • FIG. 1 shows a topological structure of a battery charging device according to an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown, which are described in detail as follows:
  • the battery charging device provided by the embodiment of the present invention includes a power adapter 100 and a charging control module 200.
  • the charging control module 200 is built in an electronic device and connected to the controller 300 and the battery 400 in the electronic device.
  • the power adapter 200 passes through the communication interface 10 thereof.
  • the communication interface 20 of the electronic device is connected, and the battery 400 is charged from the power adapter through the communication interface 20 of the electronic device, and the charging control module 200 performs data communication with the power adapter 100 through the communication interface 20 of the electronic device.
  • the power adapter 100 When the battery 400 is normally charged or fast charged, the power adapter 100 first determines whether its output voltage is greater than a voltage threshold and whether the output current is greater than a current threshold if the output voltage of the power adapter 100 is greater than a voltage threshold and/or the output of the power adapter 100 When the current is greater than the current threshold, the power adapter 100 sends a first charge-off command to the charge control module 200 and turns off the DC output, and the charge control module 200 drives the controller 300 to turn off the communication interface 20 of the electronic device according to the first charge-off command; If the output voltage of the power adapter 100 is not greater than the voltage threshold, and the output current of the power adapter 100 is not greater than the current threshold, the power adapter 100 feeds back the output voltage information and the output current information to the charging control module 200, when the charging control module 200 is The output voltage information and the output current information determine that the output voltage of the power adapter 100 is greater than the voltage threshold and/or the output current of the power adapter 100 is greater than the current threshold
  • an embodiment of the present invention further provides a battery charging protection control method.
  • the battery charging protection control method includes the following steps:
  • the power adapter 100 determines whether its output voltage is greater than a voltage threshold, and determines whether its output current is greater than a current threshold, when the output voltage is greater than a voltage threshold and/or an output current is greater than
  • step S2 is performed, when the output voltage is not greater than the voltage threshold, and the output current is not greater than the current threshold, step S4 is performed;
  • the power adapter 100 sends a first charging shutdown command to the charging control module 200, and automatically turns off the DC output;
  • the charging control module 200 drives the controller 300 to turn off the communication interface 20 of the electronic device according to the first charging shutdown command;
  • the power adapter 100 feeds back the output voltage information and the output current information to the charging control module 200;
  • the charging control module 100 determines whether the output voltage of the power adapter 100 is greater than a voltage threshold according to the output voltage information and the output current information, and determines whether the output current of the power adapter 100 is greater than a current threshold, when the output voltage of the power adapter 100 is greater than a voltage threshold and/or When the output current of the power adapter 100 is greater than the current threshold, step S6 is performed, when the output voltage of the power adapter 100 is not greater than the voltage threshold, and the output current of the power adapter 100 is not greater than the current threshold, the process returns to step S1;
  • the charging control module 200 feeds back a second charging shutdown command to the power adapter 100, and drives the controller 300 to turn off the communication interface 20 of the electronic device;
  • the power adapter 100 turns off the DC output in accordance with the second charge off command.
  • the voltage threshold and the current threshold are respectively a preset maximum voltage value and a maximum current value.
  • step S4 specifically includes the following steps:
  • the charging control module 200 issues a charging parameter acquisition request to the power adapter 100;
  • the power adapter 100 feeds back the output voltage information and the output current information to the charging control module 200 in accordance with the charging parameter acquisition request.
  • step S3 is specifically:
  • the charging control module 200 stops charging the battery 400 by introducing direct current from the power adapter 100 according to the first charging off command, and drives the controller 300 to turn off the communication interface 20 of the electronic device.
  • Step S6 specifically includes the following steps:
  • the charging control module 200 feeds back a second charging shutdown command to the power adapter 100;
  • the charging control module 200 stops charging the battery 400 from the direct current of the power adapter 100, and drives the controller 300 to turn off the communication interface 20 of the electronic device.
  • FIG. 3 shows an example module structure thereof.
  • FIG. 3 shows an example module structure thereof.
  • the power adapter 100 includes an EMI filter circuit 101, a high voltage rectification filter circuit 102, an isolation transformer 103, an output filter circuit 104, and a voltage tracking and control circuit 105.
  • the EMI filter circuit 101 performs electromagnetic interference filtering
  • the power supply is filtered by the high voltage rectification filter circuit.
  • 102 performs rectification and filtering processing to output high-voltage direct current, which is electrically isolated by the isolation transformer 103 and output to the output filter circuit 104 for filtering processing to charge the battery 400.
  • the voltage tracking and control circuit 105 is based on the output voltage of the output filter circuit 104.
  • the output voltage of the isolation transformer 103 is adjusted.
  • the power adapter 100 further includes a power module 106, a main control module 107, a potential adjustment module 108, a current detection module 109, a voltage detection module 110, and an output switch module 111.
  • the input end of the power module 106 is connected to the secondary end of the isolation transformer 103.
  • the power terminal of the main control module 107, the power terminal of the potential adjustment module 108, and the power terminal of the current detection module 109 are connected to the output end of the power module 108.
  • the high potential end of the module 107 and the high potential end of the potential adjustment module 108 are both connected to the positive output end of the output filter circuit 104.
  • the potential adjustment end of the potential adjustment module 108 is connected to the voltage tracking and control circuit 105, and the DC input terminal of the current detecting module 109.
  • the positive output terminal of the output filter circuit 104 is connected to the current detecting terminal of the main control module 107.
  • the clock output terminal and the data output terminal of the main control module 107 are connected to the clock input terminal of the potential adjusting module 108.
  • the data input end, the first detecting end and the second detecting end of the voltage detecting module 110 are respectively connected to the DC output end of the current detecting module 109 and the negative output end of the output filter circuit 104, and the first output end of the voltage detecting module 110 and the first The two output ends are respectively connected to the first voltage detecting end and the second voltage detecting end of the main control module 107, and the input of the output switch module 111 is output.
  • an output terminal connected to the switch module 111 is connected to the current detection module 109 detects the end of the third voltage detecting module 110, a ground terminal of the output switching module 111 connected to the output of the filter circuit
  • the negative output end of 104, the controlled end and the power end of the output switch module 111 are respectively connected to the switch control end of the main control module 107 and the secondary end of the isolation transformer 103, the output negative end of the output filter circuit 104, and the output switch module 111.
  • the output end, the first communication end and the second communication end of the main control module 107 are connected to the power adapter 100 communication interface 10.
  • the power module 106 obtains power from the isolation transformer 103 and supplies power to the main control module 107, the potential adjustment module 108, and the current detection module 109.
  • the potential adjustment module 108 sends out according to the main control module 107.
  • the control signal driving voltage tracking and control circuit 105 adjusts the output voltage of the isolation transformer 103; the current detecting module 109 and the voltage detecting module 110 respectively detect the output current and the output voltage of the power adapter 100, and respectively feed back the current detecting signal.
  • the voltage detection signal to the main control module 107; the output switch module 111 turns on or off the DC output of the power adapter 100 according to the switch control signal sent by the main control module 107.
  • the main control module 107 determines whether the output current of the power adapter 100 is greater than a current threshold according to the current detecting signal, and determines the power adapter 100 according to the voltage detecting signal.
  • the main control module 107 sends a first charging shutdown command to the charging control module 200, and controls The output switch module 111 turns off the DC output of the power adapter 100, and the charging control module 200 drives the controller 300 to turn off the communication interface 20 of the electronic device according to the first charge-off command described above; when the output voltage of the power adapter 100 is not greater than the voltage threshold, and When the output current of the power adapter 100 is not greater than the current threshold, the main control module 107 feeds back the output voltage information and the output current information to the charging control module 200 according to the voltage detection signal and the current detection signal, and the charging control module 100 according to the output voltage information and the output.
  • the control module 200 feeds back the second charge-off command to the main control module 107, and drives the controller 300 to turn off the communication interface 20 of the electronic device.
  • the main control module 107 controls the output switch module 111 to turn off the power adapter according to the second charge-off command. 100 DC output.
  • the main control module 107 is configured to the charging control module according to the voltage detection signal and the current detection signal.
  • 200 feedback output voltage information and output current information are specifically:
  • the charging control module 200 issues a charging parameter acquisition request to the main control module 107, and the main control module 107 feeds back the output voltage information and the output current information to the charging control module 200 according to the charging parameter acquisition request.
  • the charging control module 200 introduces direct current from the power adapter 100 to charge the battery 400 to increase the charging current of the battery, thereby quickly charging the battery, so, in the power adapter 100 Charging control module when there is overvoltage and/or overcurrent in the output 200, when the drive controller 300 turns off the communication interface 20 of the electronic device, it is also necessary to stop the slave power adapter.
  • the charging control module 200 drives the controller 300 to turn off the content of the communication interface 20 of the electronic device according to the first charging shutdown command.
  • the charging control module 200 stops charging the battery 400 by introducing direct current from the power adapter 100 according to the first charging off command, and drives the controller 300 to turn off the communication interface 20 of the electronic device.
  • the content of the second charging shutdown command fed back to the main control module 107 by the charging control module 200 is specifically as follows:
  • the charging control module 200 feeds back a second charging shutdown command to the main control module 107, and the charging control module 200 stops charging the battery 400 by introducing direct current from the power adapter 100, and drives the controller 300 to turn off the communication interface 20 of the electronic device.
  • FIG. 4 shows an example circuit configuration of the above-described power adapter 100. For convenience of explanation, only parts related to the embodiment of the present invention are shown, which are described in detail as follows:
  • the power module 106 includes:
  • the first end of the first capacitor C1 and the input power pin Vin of the voltage regulator chip U1 and the enable pin EN are connected to the input end of the power module 106, and the second end of the first capacitor C1 and the voltage regulator chip U1
  • the ground pin GND is connected to the ground
  • the switch pin SW of the voltage regulator chip U1 and the first end of the second capacitor C2 are connected to the first end of the first inductor L1
  • the internal switch pin BOOST of the voltage regulator chip U1 is
  • the second end of the second capacitor C2 is connected to the cathode of the first diode D1
  • the feedback voltage pin FB of the voltage regulator chip U1 is connected to the first end of the first resistor R1 and the first end of the second resistor R2.
  • the second end of the first inductor L1 and the cathode of the second diode D2 are connected to the first end of the second inductor L2, the second end of the second inductor L2 and the anode of the first diode D1, the first resistor
  • the common terminal formed by the second end of R1 and the first end of the third capacitor C3 is the output end of the power module 106, the anode of the second diode D2 and the second end of the second resistor R2 and the third capacitor
  • the second end of C3 is connected to the ground.
  • the power module 106 uses the voltage regulator chip U1 as a core to perform voltage conversion processing on the secondary terminal voltage of the isolation transformer 103, and then outputs a voltage of +3.3 V to supply power to the main control module 107, the potential adjustment module 108, and the current detection module 109;
  • the chip U1 may specifically be a step-down DC/DC converter of the type MCP16301.
  • the main control module 107 includes:
  • the power supply pin VDD of the main control chip U3 is the power supply end of the main control module 107, the ground VSS of the main control chip U3 is grounded, the first input/output pin RA0 of the main control chip U3 is connected, and the first end of the third resistor R3 is connected.
  • the power supply pin VDD of the main control chip U3, the second end of the third resistor R3 and the first end of the fourth resistor R4 are connected to the positive electrode CATHODE of the reference voltage chip U3, the negative electrode ANODE of the reference voltage chip U3 is grounded, and the reference voltage chip U3
  • the empty pin NC is connected, the second end of the fourth resistor R4 is connected to the second input/output pin RA1 of the main control chip U2, and the third input/output pin RA2 of the main control chip U2 is the current detecting end of the main control module 107.
  • the fourth input/output pin RA3 of the main control chip U2 is connected to the first end of the fifth resistor R5, and the second end of the fifth resistor R5 and the first end of the fourth capacitor C4 are connected to the power supply pin VDD of the main control chip U2.
  • the second end of the fourth capacitor C4 is grounded, the fifth input/output pin RA4 of the main control chip U2 is the switch control end of the main control module 107, and the sixth input/output pin RA5 of the main control chip U2 is connected to the first of the sixth resistor R6.
  • the second end of the sixth resistor R6 is connected to the gate of the first NMOS transistor Q1 to the seventh resistor R7.
  • the second end of the seventh resistor R7 is connected to the ground of the first NMOS transistor Q1, the drain of the first NMOS transistor Q1 is connected to the first end of the eighth resistor R8, and the second end of the eighth resistor R8 is connected.
  • the seventh input output pin RC0 and the eighth input output pin RC1 of the main control chip U2 are respectively the clock output end and the data output end of the main control module 107, and the tenth of the main control chip U2
  • the input/output pin RC3 and the ninth input/output pin RC2 are respectively a first voltage detecting end and a second voltage detecting end of the main control module 107, and an eleventh input/output pin RC4 and a twelfth input/output pin RC5 of the main control chip U2 Connecting the first end of the ninth resistor R9 and the first end of the tenth resistor R10, respectively, the first end of the eleventh resistor R11 and the first end of the
  • the main control chip U2 may be a single-chip microcomputer of the type PIC12LF1822, PIC12F1822, PIC16LF1823 or PIC16F1823, and the reference voltage chip U3 may be a voltage reference type LM4040.
  • the potential adjustment module 108 includes:
  • the common end of the first end of the fifteenth resistor R15 and the first end of the sixteenth resistor R16, the power supply pin VDD of the digital potentiometer U4, and the first end of the fifth capacitor C5 is the power supply end of the potential adjustment module 108, Five capacitor The second end of C5 and the first end of the sixth capacitor C6, the ground VSS of the digital potentiometer U4, and the seventeenth resistor The first end of the R17 is connected to the ground, the second end of the sixth capacitor C6 is connected to the power pin VDD of the digital potentiometer U4, and the second end of the fifteenth resistor R15 is shared with the serial data pin SDA of the digital potentiometer U4.
  • the contact is the data input end of the potential adjustment module 108.
  • the common junction of the second end of the sixteenth resistor R16 and the clock input pin SCL of the digital potentiometer U4 is the clock input end of the potential adjustment module 108, and the address of the digital potentiometer U4 is zero.
  • the pin A0 is grounded, and the first terminal of the digital potential device U4 and the first end of the eighteenth resistor R18 are connected to the second end of the seventeenth resistor R17, and the second end of the eighteenth resistor R18 is connected with the digital potential.
  • the second potential terminal P0B of the U4 is connected to the first end of the nineteenth resistor R19.
  • the second end of the nineteenth resistor R19 is the high potential end of the potential adjustment module 108, and the potential tapping pin P0W of the digital potentiometer U4.
  • the digital potentiometer U4 adjusts the internal sliding varistor according to the clock signal and the data signal outputted by the main control chip U2, so that the potential of the tap end of the internal sliding varistor (ie, the potential tapping pin P0W of the digital potentiometer U4) changes.
  • the voltage tracking and control circuit 105 is caused to adjust the output voltage of the isolation transformer 103 following the potential change; the digital potentiometer U4 may specifically be a digital potentiometer of the MCP45X1.
  • the current detecting module 109 includes:
  • the first end and the second end of the twentieth resistor R20 are a DC input end and a DC output end of the current detecting module 109, respectively, and the first end of the twenty-first resistor R21 and the first end of the twenty-second resistor R22 are respectively Connecting the first end and the second end of the twentieth resistor R20, the second end of the twenty-first resistor R21 and the first end of the seventh capacitor C7 are connected to the input positive pin IN+ of the current detecting chip U5, and the twentieth The second end of the second resistor R22 and the first end of the eighth capacitor C8 are connected to the input negative pin IN- of the current detecting chip U5, and the common contact of the power supply pin V+ of the current detecting chip U5 and the first end of the ninth capacitor C9
  • the empty pin NC of the current detecting chip U5 is connected
  • the output pin OUT of the current detecting chip U5 is connected to the first end of the twenty-third resistor R23
  • Galvanometer foot chip U5 is the GND, a first reference voltage REF1 and a second reference voltage pin REF2 common pin connected to ground.
  • the twentieth resistor R20 acts as a current-sense resistor to the output filter circuit
  • the output current of 104 ie, the output current of the power adapter 100
  • the current detecting signal is output to the main control chip U2 according to the voltage across the twentieth resistor R20 through the current detecting chip U5;
  • the current detecting chip U5 may be specifically a model number Current shunt monitor for the INA286.
  • the voltage detection module 110 includes:
  • the first end of the twenty-fifth resistor R25 is the first detecting end of the voltage detecting module 110, and the twenty-fifth resistor
  • the common end of the second end of the R25 and the first end of the twenty-sixth resistor R26 and the first end of the eleventh capacitor C11 is the second output end of the voltage detecting module 110, and the second end of the twenty-sixth resistor R26 Voltage detection module
  • the second end of the eleventh capacitor C11 is connected to the first end of the twelfth capacitor C12 and the first end of the twenty-seventh resistor R27 to the second end of the twenty-sixth resistor R26.
  • the common end of the second end of the twelfth capacitor C12 and the second end of the twenty-seventh resistor R27 and the first end of the twenty-eighth resistor R28 is the first output end of the voltage detecting module 110, and the twenty-eighth The second end of the resistor R28 is the third detecting end of the voltage detecting module 110.
  • the output switch module 111 includes:
  • the first end of the twenty-ninth resistor R29 is a controlled end of the output switch module 111, and the second end of the twenty-ninth resistor R29 and the first end of the thirtieth resistor R30 are connected to the first NPN transistor N1
  • the first end of the thirteenth capacitor C13 and the first end of the thirty-first resistor R31 and the first end of the thirty-second resistor R32 are connected to the cathode of the third diode D3, and the third diode
  • the anode of the tube D3 is the power terminal of the output switch module 111, and the second end of the 31st resistor R31 and the base of the second NPN transistor N2 are connected to the collector of the first NPN transistor N1, and the thirty-second
  • the second end of the resistor R32 is connected to the cathode of the Zener diode ZD and the first end of the 33rd resistor R33 to the collector of the second NPN transistor N2, and the second end of the thirtieth resist
  • FIG. 5 shows an example circuit configuration of the above-described charging control module 200. For convenience of explanation, only parts related to the embodiment of the present invention are shown, which are described in detail as follows:
  • the charging control module 200 includes:
  • Battery connector J1 main controller U6, thirteenth capacitor C13, thirty-sixth resistor R36, thirty-seventh resistor R37, fourteenth capacitor C14, first Schottky diode SD1, second Schottky diode SD2, fifteenth capacitor C15, thirty-eighth resistor R38, thirty-ninth resistor R39, fortieth resistor R40, third NPN type transistor N3, fourth NMOS tube Q4 and fifth NMOS tube Q5;
  • the battery connector J1 is connected to the plurality of electrodes of the battery 300, and the first leg 5A-1 and the second leg of the battery connector J1 5A-2 is connected to the ground, the first grounding pin GND1 and the second grounding pin GND2 of the battery connector J1 are connected to the ground, the first input/output pin RA0 of the main controller U6 and the seventh leg 5A of the battery connector J1 -3 is connected to the eighth pin 5A-4, and the second input/output pin RA1, the seventh input/output pin RC0, the eighth input/output pin RC1, and the ninth input/output pin RC2 of the main controller U6 are respectively connected to the battery connector J1.
  • the sixth pin 2A-4, the fifth pin 2A-3, the fourth pin 2A-2 and the third pin 2A-1 are connected, and the analog ground VSS and the ground GND of the main controller U6 are grounded, and the main controller U6
  • the first empty pin NC0 and the second empty pin NC1 are both vacant, and the power pin VDD of the main controller U6 and the first end of the thirteenth capacitor C13 are both connected to the seventh leg 5A-3 of the battery connector J1 and the first
  • the eight-pin 5A-4 is connected in common, the fourth input/output pin RA3 and the eleventh input/output pin RC4 of the main controller U6 are in data communication with the controller 300 in the electronic device, and the thirty-sixth resistor R36 is connected to the main controller.
  • the sixth input/output pin RA5 and the twelfth input/output pin RC5 of the main controller U6 are respectively connected to the master mode in the adapter 100.
  • the first end of the thirty-seventh resistor R37 and the first end of the thirty-eighth resistor R38 are connected to the tenth input and output end RC3 of the main controller U6,
  • the second end of the thirty-seventh resistor R37 is connected to the power supply pin VDD of the main controller U6, and the second end of the thirty-eighth resistor R38 is connected to the base of the third NPN-type transistor N3, and the fifth input and output end of the main controller U6 RA4 is connected to the first end of the fourteenth capacitor C14, the second end of the fourteenth capacitor C14 is connected to the cathode of the first Schottky diode SD1 to the anode of the second Schottky diode SD2, and the thirty-ninth resistor
  • the first end of the R39 and the first end of the fifteenth capacitor C15 are connected to the cathode of the second Schottky diode SD2, the second end of the thirty-ninth resistor
  • the drain of the fourth NMOS transistor Q4 is connected to the drain of the fifth NMOS transistor Q5, and the source of the fifth NMOS transistor Q5 is connected to the power supply line VBUS of the communication interface 20 of the electronic device.
  • the emitter of the third NPN transistor N3 is connected to the anode of the third Schottky diode SD3, and the cathode of the third Schottky diode SD3 is grounded.
  • the main controller U6 may specifically be a single chip microcomputer of the type PIC12LF1501, PIC12F1501, PIC16LF1503, PIC16F1503, PIC16LF1507, PIC16F1507, PIC16LF1508, PIC16F1508, PIC16LF1509 or PIC16F1509.
  • the main controller U6 When the battery 400 is rapidly charged, the main controller U6 outputs a high level to drive the fourth NMOS transistor Q4 and the fifth NMOS transistor Q5 to be turned on through the fifth input/output pin RA4, and through the tenth input and output pin thereof.
  • the RC3 output low level controls the third NPN type transistor N3 to be turned off. Since the battery 400 itself has obtained the direct current from the power adapter 100 through the communication interface 20 of the electronic device, the fourth NMOS tube is passed at this time. The introduction of direct current to Q4 and the fifth NMOS transistor Q5 can increase the charging current of the battery 400, thereby achieving rapid charging of the battery 300; conversely, when the battery 400 needs to be charged normally, or because of the output of the power adapter 100.
  • the main controller U6 When there is an overvoltage and/or overcurrent phenomenon that requires the communication interface 20 of the electronic device to be turned off, the main controller U6 outputs a low level through the fifth input/output pin RA4 to control the fourth NMOS transistor Q4 and the fifth NMOS transistor Q5 to be turned off. And through the tenth input and output pin RC3 output high level to control the third NPN type transistor N3 to conduct.
  • the main controller U6 performs data communication with the electronic device through its fourth input/output pin RA3 and the eleventh input/output pin RC4, and the main controller U6 can transmit the voltage and power amount information of the battery 400 to the controller 300 of the electronic device. And the main controller U6 can further determine whether the battery 400 completes the fast charging process according to the voltage of the battery 400. If yes, the fast charging off command can be fed back to inform the electronic device to switch the charging mode from the fast charging mode to the normal charging mode; During the charging of the battery 400 by the power adapter 100, if the power adapter 100 is suddenly disconnected from the battery 400, the main controller U6 detects the voltage of the battery 300 through the battery connector J1 and feeds back the charging termination command to inform the controller 300.
  • the controller 300 in the electronic device informs the main controller U6 to be the fourth when the temperature is abnormal
  • the NMOS transistor Q4 and the fifth NMOS transistor Q5 are turned off to stop charging the battery 300 quickly, while the electronic device switches the charging mode from the fast charging mode to the normal charging mode.
  • the power line VBUS and the ground line GND of the communication interface 10 of the power adapter 100 are respectively connected to the ground line GND and the power line VBUS of the communication interface 20 of the electronic device (ie, the power adapter 100)
  • the power line VBUS and the ground line GND of the communication interface 10 are respectively connected to the ground of the charging control module 200 and the source of the fifth NMOS transistor Q5.
  • the communication interface 10 of the power adapter 100 is opposite to the communication interface 20 of the electronic device.
  • the ground in the charging control module 200 is connected to the direct current, and the source of the fifth NMOS transistor Q5 is grounded.
  • the charging control module 200 may further include Six NMOS transistor Q6, seventh NMOS transistor Q7 and forty-first resistor R41, the source of the sixth NMOS transistor Q6 is connected to the source of the fifth NMOS transistor Q5, sixth The drain of the NMOS transistor Q6 is connected to the drain of the seventh NMOS transistor Q7, and the source of the seventh NMOS transistor Q7 is connected to the third The collector of the NPN transistor N3, the gate of the sixth NMOS transistor Q6 and the gate of the seventh NMOS transistor Q7 are connected to the first end of the fourth eleven resistor R41, and the second end of the fourth eleven resistor R41 is grounded. .
  • the second end of the forty-first resistor R41 is connected to the direct current from the ground to drive the sixth NMOS transistor Q6 and the seventh NMOS transistor Q7 to be turned off, thereby causing the direct current entering the charging control module 200 from the ground.
  • a loop cannot be formed to protect the components in the charge control module 200 from damage.
  • the embodiment of the present invention uses the battery charging device including the power adapter 100 and the charging control module 200 to perform charging control on the battery 400 in the electronic device.
  • the power adapter 100 Data communication with the charging control module 200, when the power adapter 100 determines that an overvoltage and/or overcurrent occurs in the direct current outputted by the communication interface 10, the power adapter 100 notifies the charging control module 200 to drive the controller 300 in the electronic device to turn off the electronic The communication interface 20 of the device and turns off the DC output by itself; when the charging control module 200 determines that an overvoltage and/or an overcurrent occurs when receiving the output voltage and the output current of the power adapter 100, the charging control module 200 notifies the power adapter 100 to turn off. Direct current output, and drive controller 300 in the electronic device to close the communication interface of the electronic device 20, thereby achieving overvoltage and/or overcurrent protection of the battery 400 when an overvoltage and/or overcurrent output occurs at the communication interface 10 of the power adapter 100.

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Abstract

一种电池充电装置及电池充电保护控制方法。电池充电装置中的电源适配器（100）与充电控制模块（200）进行数据通信，当电源适配器（100）判定其通信接口（10）所输出的直流电出现过压和/或过流时，电源适配器（100）告知充电控制模块（200）驱动电子设备中的控制器（300）关闭电子设备的通信接口（20），并自行关闭直流电输出；当充电控制模块（200）在接收到电源适配器（100）的输出电压和输出电流时判定出现过压和/或过流时，充电控制模块（200）告知电源适配器（100）关闭直流电输出，并驱动电子设备中的控制器（300）关闭电子设备的通信接口（20），从而在电源适配器（100）的通信接口（10）出现过压和/或过流输出时实现对电池（400）的过压和/或过流保护。

Description

电池充电装置及电池充电保护控制方法 技术领域
本发明属于充电技术领域，尤其涉及一种电池充电装置及电池充电保护控制方法。
 背景技术
目前，多数电子设备中的电池是通过电子设备的通信接口与外部的电源适配器连接以实现充电的，而在电池充电过程中，为了缩短充电时间，现有技术可通过增大充电电流以达到对电池进行快速充电的目的，但是，无论是采用常规的恒压输出方式或是采用增大充电电流的方式对电池进行充电，如果充电过程中出现对电池的充电电压和/或充电电流过大，则会使电池因过压和/或过流充电而损坏。因此，现有技术在对电子设备中的电池进行常规充电或快速充电时无法对电池实现过压和/或过流保护。
 技术问题
本发明的目的在于提供一种电池充电装置，旨在解决现有技术在对电子设备中的电池进行常规充电或快速充电时无法对电池实现过压和/或过流保护的问题。
 技术解决方案
本发明是这样实现的，一种电池充电装置，其包括电源适配器和充电控制模块，所述充电控制模块内置于电子设备，并与所述电子设备中的控制器和电池连接，所述电源适配器通过其通信接口与所述电子设备的通信接口连接，且所述电池通过所述电子设备的通信接口从所述电源适配器获得充电，所述充电控制模块通过所述电子设备的通信接口与所述电源适配器进行数据通信；
在对所述电池进行常规充电或快速充电时，所述电源适配器先判断其输出电压是否大于电压阈值和输出电流是否大于电流阈值，如果所述输出电压大于电压阈值和/或所述输出电流大于电流阈值，则所述电源适配器向所述充电控制模块发送第一充电关断指令并自行关闭直流电输出，所述充电控制模块根据所述第一充电关断指令驱动所述控制器关闭所述电子设备的通信接口；如果所述输出电压不大于电压阈值，且所述输出电流不大于电流阈值，则所述电源适配器将输出电压信息和输出电流信息反馈至所述充电控制模块，当所述充电控制模块根据所述输出电压信息和所述输出电流信息判定所述电源适配器的输出电压大于电压阈值和/或所述电源适配器的输出电流大于电流阈值时，所述充电控制模块向所述电源适配器反馈第二充电关断指令并驱动所述控制器关闭所述电子设备的通信接口，所述电源适配器根据所述第二充电关断指令关闭直流电输出；当所述充电控制模块根据所述输出电压信息和所述输出电流信息判定所述电源适配器的输出电压不大于电压阈值，且所述电源适配器的输出电流不大于电流阈值，则所述电源适配器继续对其输出电压和输出电流进行判断。
本发明的另一目的还在于提供一种基于上述电池充电装置的电池充电保护控制方法，所述电池充电保护控制方法包括以下步骤：
A．在对电子设备中的电池进行常规充电或快速充电时，所述电源适配器判断其输出电压是否大于电压阈值，并判断其输出电流是否大于电流阈值，当所述输出电压大于电压阈值和/或所述输出电流大于电流阈值时执行步骤B，当所述输出电压不大于电压阈值，且所述输出电流不大于电流阈值时执行步骤D；
B. 所述电源适配器向所述充电控制模块发送第一充电关断指令，并自行关闭直流电输出；
C．所述充电控制模块根据所述第一充电关断指令驱动所述电子设备中的控制器关闭所述电子设备的通信接口；
D．所述电源适配器将输出电压信息和输出电流信息反馈至所述充电控制模块；
E．所述充电控制模块根据所述输出电压信息和所述输出电流信息判断所述电源适配器的输出电压是否大于电压阈值，并判断所述电源适配器的输出电流是否大于电流阈值，当所述电源适配器的输出电压大于电压阈值和/或所述电源适配器的输出电流大于电流阈值时执行步骤F，当所述电源适配器的输出电压不大于电压阈值，且所述电源适配器的输出电流不大于电流阈值时返回执行步骤A；
F．所述充电控制模块向所述电源适配器反馈第二充电关断指令，并驱动所述控制器关闭所述电子设备的通信接口；
G．所述电源适配器根据所述第二充电关断指令关闭直流电输出。
 有益效果
本发明采用包括电源适配器和充电控制模块的电池充电装置对电子设备中的电池进行充电控制，在对电池进行常规充电或快速充电过程中，电源适配器与充电控制模块进行数据通信，当电源适配器判定其通信接口所输出的直流电出现过压和/或过流时，电源适配器告知充电控制模块驱动电子设备中的控制器关闭电子设备的通信接口，并自行关闭直流电输出；当充电控制模块在接收到电源适配器的输出电压和输出电流时判定出现过压和/或过流时，充电控制模块告知电源适配器关闭直流电输出，并驱动电子设备中的控制器关闭电子设备的通信接口，从而在电源适配器的通信接口出现过压和/或过流输出时实现对电池的过压和/或过流保护。
 附图说明
图1是本发明实施例提供的电池充电装置的拓扑结构图；
图2是基于图1所示的电池充电装置的电池充电保护控制方法的实现流程图；
图3是图1所示的电池充电装置中的电源适配器的示例模块结构图；
图4是图3所示的电源适配器的示例电路结构图；
图5是图1所示的电池充电装置中的充电控制模块的示例电路结构图；
图6是图1所示的电池充电装置中的充电控制模块的另一示例电路结构图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
图1示出了本发明实施例提供的电池充电装置的拓扑结构，为了便于说明，仅示出了与本发明实施例相关的部分，详述如下：
本发明实施例提供的电池充电装置包括电源适配器100和充电控制模块200，充电控制模块200内置于电子设备，并与电子设备中的控制器300和电池400连接，电源适配器200通过其通信接口10与电子设备的通信接口20连接，且电池400通过电子设备的通信接口20从电源适配器获得充电，充电控制模块200通过电子设备的通信接口20与电源适配器100进行数据通信。
在对电池400进行常规充电或快速充电时，电源适配器100先判断其输出电压是否大于电压阈值和输出电流是否大于电流阈值，如果电源适配器100的输出电压大于电压阈值和/或电源适配器100的输出电流大于电流阈值，则电源适配器100向充电控制模块200发送第一充电关断指令并自行关闭直流电输出，充电控制模块200根据第一充电关断指令驱动控制器300关闭电子设备的通信接口20；如果电源适配器100的输出电压不大于电压阈值，且电源适配器100的输出电流不大于电流阈值，则电源适配器100将输出电压信息和输出电流信息反馈至充电控制模块200，当充电控制模块200根据上述的输出电压信息和输出电流信息判定电源适配器100的输出电压大于电压阈值和/或电源适配器100的输出电流大于电流阈值时，充电控制模块200向电源适配器100反馈第二充电关断指令并驱动控制器300关闭电子设备的通信接口20，电源适配器100根据第二充电关断指令关闭直流电输出；当充电控制模块200根据上述的输出电压信息和输出电流信息判定电源适配器100的输出电压不大于电压阈值，且电源适配器100的输出电流不大于电流阈值，则电源适配器100继续对其输出电压和输出电流进行判断。
基于图1所示的电池充电装置，本发明实施例还提供了一种电池充电保护控制方法，如图2所示，该电池充电保护控制方法包括以下步骤：
S1．在对电子设备中的电池400进行常规充电或快速充电时，电源适配器100判断其输出电压是否大于电压阈值，并判断其输出电流是否大于电流阈值，当输出电压大于电压阈值和/或输出电流大于电流阈值时执行步骤S2，当输出电压不大于电压阈值，且输出电流不大于电流阈值时执行步骤S4；
S2. 电源适配器100向充电控制模块200发送第一充电关断指令，并自行关闭直流电输出；
S3．充电控制模块200根据第一充电关断指令驱动控制器300关闭电子设备的通信接口20；
S4．电源适配器100将输出电压信息和输出电流信息反馈至充电控制模块200；
S5．充电控制模块100根据输出电压信息和输出电流信息判断电源适配器100的输出电压是否大于电压阈值，并判断电源适配器100的输出电流是否大于电流阈值，当电源适配器100的输出电压大于电压阈值和/或电源适配器100的输出电流大于电流阈值时执行步骤S6，当电源适配器100的输出电压不大于电压阈值，且电源适配器100的输出电流不大于电流阈值时返回执行步骤S1；
S6．充电控制模块200向电源适配器100反馈第二充电关断指令，并驱动控制器300关闭电子设备的通信接口20；
S7．电源适配器100根据第二充电关断指令关闭直流电输出。
其中，电压阈值和电流阈值分别是预先设定的最大电压值和最大电流值。
进一步地，步骤S4具体包括以下步骤：
充电控制模块200向电源适配器100发出充电参数获取请求；
电源适配器100根据充电参数获取请求将输出电压信息和输出电流信息反馈至充电控制模块200。
在对电池400进行快速充电时，由于充电控制模块200会从电源适配器100引入直流电对电池400进行充电，以加大对电池的充电电流，从而对电池实现快速充电，所以，在电源适配器100的输出存在过压和/或过流现象时，充电控制模块 200在驱动控制器300关闭电子设备的通信接口20的同时，还需停止从电源适配器 100引入直流电，因此，步骤S3具体为：
充电控制模块200根据第一充电关断指令停止从电源适配器100引入直流电对电池400充电，并驱动控制器300关闭电子设备的通信接口20。
步骤S6具体包括以下步骤：
充电控制模块200向电源适配器100反馈第二充电关断指令；
充电控制模块200停止从电源适配器100引入直流电对电池400充电，并驱动控制器300关闭电子设备的通信接口20。
对于实现上述电池充电保护控制方法所依赖的电池充电装置，图3示出了其示例模块结构，为了便于说明，仅示出了与本发明实施例相关的部分，详述如下：
电源适配器100包括EMI滤波电路101、高压整流滤波电路102、隔离变压器103、输出滤波电路104以及电压跟踪与控制电路105；市电经过EMI滤波电路101进行电磁干扰滤除后，由高压整流滤波电路102进行整流滤波处理输出高压直流电，该高压直流电通过隔离变压器103电气隔离后输出至输出滤波电路104以进行滤波处理后为电池400充电，电压跟踪与控制电路105根据输出滤波电路104的输出电压对隔离变压器103的输出电压进行调整。
电源适配器100还包括电源模块106、主控模块107、电位调整模块108、电流检测模块109、电压检测模块110以及输出开关模块111。
电源模块106的输入端连接隔离变压器103的次级端，主控模块107的电源端、电位调整模块108的电源端以及电流检测模块109的电源端共接于电源模块108的输出端，主控模块107的高电位端和电位调整模块108的高电位端均连接输出滤波电路104的正输出端，电位调整模块108的电位调节端连接电压跟踪与控制电路105，电流检测模块109的直流输入端连接输出滤波电路104的正输出端，电流检测模块109的检流反馈端连接主控模块107的电流检测端，主控模块107的时钟输出端和数据输出端连接电位调整模块108的时钟输入端和数据输入端，电压检测模块110的第一检测端和第二检测端分别连接电流检测模块109的直流输出端和输出滤波电路104的负输出端，电压检测模块110的第一输出端和第二输出端分别连接主控模块107的第一电压检测端和第二电压检测端，输出开关模块111的输入端连接电流检测模块109的直流输出端，输出开关模块111的输出端连接电压检测模块110的第三检测端，输出开关模块111的接地端连接输出滤波电路 104的负输出端，输出开关模块111的受控端和电源端分别连接主控模块107的开关控制端和隔离变压器103的次级端，输出滤波电路104的输出负端、输出开关模块111的输出端、主控模块107的第一通信端和第二通信端均连接电源适配器 100的通信接口10。
电源模块106从隔离变压器103获取电源并为主控模块107、电位调整模块108及电流检测模块109供电；在对电子设备中的电池400进行快速充电时，电位调整模块108根据主控模块107发出的控制信号驱动电压跟踪与控制电路105对隔离变压器103的输出电压进行调整；电流检测模块109和电压检测模块110分别对电源适配器100的输出电流和输出电压进行检测，并相应地反馈电流检测信号和电压检测信号至主控模块107；输出开关模块111根据主控模块107发出的开关控制信号开启或关闭电源适配器100的直流电输出。
在对电子设备中的电池400进行常规充电或快速充电时，主控模块107根据上述的电流检测信号判断电源适配器100的输出电流是否大于电流阈值，并根据上述的电压检测信号判断电源适配器100的输出电压是否大于电压阈值，当电源适配器100的输出电压大于电压阈值和/或电源适配器100的输出电流大于电流阈值时，主控模块107向充电控制模块200发送第一充电关断指令，并控制输出开关模块111关闭电源适配器100的直流电输出，充电控制模块200根据上述的第一充电关断指令驱动控制器300关闭电子设备的通信接口20；当电源适配器100的输出电压不大于电压阈值，且电源适配器100的输出电流不大于电流阈值时，主控模块107根据上述的电压检测信号和电流检测信号向充电控制模块200反馈输出电压信息和输出电流信息，充电控制模块100根据输出电压信息和输出电流信息判断电源适配器100的输出电压是否大于电压阈值，并判断电源适配器100的输出电流是否大于电流阈值，如果电源适配器100的输出电压大于电压阈值和/或电源适配器100的输出电流大于电流阈值，则充电控制模块200向主控模块107反馈第二充电关断指令，并驱动控制器300关闭电子设备的通信接口20，主控模块107根据上述的第二充电关断指令控制输出开关模块111关闭电源适配器100的直流电输出。
其中，上述的主控模块107根据电压检测信号和电流检测信号向充电控制模块 200反馈输出电压信息和输出电流信息具体为：
充电控制模块200向主控模块107发出充电参数获取请求，主控模块107根据该充电参数获取请求将输出电压信息和输出电流信息反馈至充电控制模块200。
在对电池400进行快速充电时，由于充电控制模块200会从电源适配器100引入直流电对电池400进行充电，以加大对电池的充电电流，从而对电池实现快速充电，所以，在电源适配器100的输出存在过压和/或过流现象时，充电控制模块 200在驱动控制器300关闭电子设备的通信接口20的同时，还需停止从电源适配器 100引入直流电，因此，上述的充电控制模块200根据上述的第一充电关断指令驱动控制器300关闭电子设备的通信接口20的内容具体为：
充电控制模块200根据第一充电关断指令停止从电源适配器100引入直流电对电池400充电，并驱动控制器300关闭电子设备的通信接口20。
上述的充电控制模块200向主控模块107反馈第二充电关断指令的内容具体为：
充电控制模块200向主控模块107反馈第二充电关断指令，且充电控制模块200停止从电源适配器100引入直流电对电池400充电，并驱动控制器300关闭电子设备的通信接口20。
图4示出了上述电源适配器100的示例电路结构，为了便于说明，仅示出了与本发明实施例相关的部分，详述如下：
电源模块106包括：
第一电容C1、稳压芯片U1、第二电容C2、第一电感L1、第二电感L2、第一二极管D1、第二二极管D2、第三电容C3、第一电阻R1以及第二电阻R2；
第一电容C1的第一端与稳压芯片U1的输入电源引脚Vin和使能引脚EN的共接点为电源模块106的输入端，第一电容C1的第二端与稳压芯片U1的地引脚GND共接于地，稳压芯片U1的开关引脚SW与第二电容C2的第一端共接于第一电感L1的第一端，稳压芯片U1的内部开关引脚BOOST与第二电容C2的第二端共接于第一二极管D1的阴极，稳压芯片U1的反馈电压引脚FB与第一电阻R1的第一端及第二电阻R2的第一端连接，第一电感L1的第二端与第二二极管D2的阴极共接于第二电感L2的第一端，第二电感L2的第二端与第一二极管D1的阳极、第一电阻R1的第二端及第三电容C3的第一端共接所形成的共接点为电源模块106的输出端，第二二极管D2的阳极与第二电阻R2的第二端及第三电容C3的第二端共接于地。其中，电源模块106以稳压芯片U1为核心对隔离变压器103的次级端电压进行电压变换处理后输出+3.3V的电压为主控模块107、电位调整模块108及电流检测模块109供电；稳压芯片U1具体可以是型号为MCP16301的降压式直流/直流转换器。
主控模块107包括：
主控芯片U2、第三电阻R3、参考电压芯片U3、第四电阻R4、第五电阻R5、第四电容C4、第六电阻R6、第七电阻R7、第一NMOS管Q1、第八电阻R8、第九电阻R9、第十电阻R10、第十一电阻R11、第十二电阻R12、第十三电阻R13以及第十四电阻R14；
主控芯片U3的电源脚VDD为主控模块107的电源端，主控芯片U3的地脚VSS接地，主控芯片U3的第一输入输出脚RA0空接，第三电阻R3的第一端连接主控芯片U3的电源脚VDD，第三电阻R3的第二端与第四电阻R4的第一端共接于参考电压芯片U3的正极CATHODE，参考电压芯片U3的负极ANODE接地，参考电压芯片U3的空接脚NC空接，第四电阻R4的第二端连接主控芯片U2的第二输入输出脚RA1，主控芯片U2的第三输入输出脚RA2为主控模块107的电流检测端，主控芯片U2的第四输入输出脚RA3连接第五电阻R5的第一端，第五电阻R5的第二端与第四电容C4的第一端共接于主控芯片U2的电源脚VDD，第四电容C4的第二端接地，主控芯片U2的第五输入输出脚RA4为主控模块107的开关控制端，主控芯片U2的第六输入输出脚RA5连接第六电阻R6的第一端，第六电阻R6的第二端与第一NMOS管Q1的栅极共接于第七电阻R7的第一端，第七电阻R7的第二端与第一NMOS管Q1的源极共接于地，第一NMOS管Q1的漏极连接第八电阻R8的第一端，第八电阻R8的第二端为主控模块107的高电位端，主控芯片U2的第七输入输出脚RC0和第八输入输出脚RC1分别为主控模块107的时钟输出端和数据输出端，主控芯片U2的第十输入输出脚RC3和第九输入输出脚RC2分别为主控模块107的第一电压检测端和第二电压检测端，主控芯片U2的第十一输入输出脚RC4与第十二输入输出脚RC5分别连接第九电阻R9的第一端和第十电阻R10的第一端，第十一电阻R11的第一端和第十二电阻R12的第一端分别连接第九电阻R9的第二端和第十电阻R10的第二端，第十一电阻R11的第二端和第十二电阻R12的第二端共接于地，第十三电阻R13的第一端和第十四电阻R14的第一端分别连接第九电阻R9的第二端和第十电阻R10的第二端，第十三电阻R13的第二端和第十四电阻R14的第二端共接于主控芯片U2的电源脚VDD，第九电阻R9的第二端和第十电阻R10的第二端分别为主控模块107的第一通信端和第二通信端。其中，主控芯片U2具体可以是型号为PIC12LF1822、PIC12F1822、PIC16LF1823或者PIC16F1823的单片机，参考电压芯片U3可以是型号为LM4040的电压基准器。
电位调整模块108包括：
第十五电阻R15、第十六电阻R16、数字电位器U4、第十七电阻R17、第十八电阻R18、第五电容C5、第六电容C6以及第十九电阻R19；
第十五电阻R15的第一端与第十六电阻R16的第一端、数字电位器U4的电源脚VDD及第五电容C5的第一端的共接点为电位调整模块108的电源端，第五电容 C5的第二端与第六电容C6的第一端、数字电位器U4的地脚VSS以及第十七电阻 R17的第一端共接于地，第六电容C6的第二端连接数字电位器U4的电源脚VDD，第十五电阻R15的第二端与数字电位器U4的串行数据脚SDA的共接点为电位调整模块108的数据输入端，第十六电阻R16的第二端与数字电位器U4的时钟输入脚SCL的共接点为电位调整模块108的时钟输入端，数字电位器U4的地址零脚A0接地，数字电位器U4的第一电位接线脚P0A与第十八电阻R18的第一端共接于第十七电阻R17的第二端，第十八电阻R18的第二端与数字电位器U4的第二电位接线脚P0B共接于第十九电阻R19的第一端，第十九电阻R19的第二端为电位调整模块108的高电位端，数字电位器U4的电位抽头脚P0W为电位调整模块108的电位调节端。其中，数字电位器U4根据主控芯片U2输出的时钟信号和数据信号调整内部的滑动变阻器，从而使内部滑动变阻器的抽头端（即数字电位器U4的电位抽头脚P0W）的电位发生变化，进而使电压跟踪与控制电路105跟随该电位变化对隔离变压器103的输出电压进行调整；数字电位器U4具体可以是MCP45X1的数字电位器。
电流检测模块109包括：
第二十电阻R20、第二十一电阻R21、第二十二电阻R22、第七电容C7、第八电容C8、检流芯片U5、第二十三电阻R23、第十电容C9、第十电容C10以及第二十四电阻R24；
第二十电阻R20的第一端和第二端分别为电流检测模块109的直流输入端和直流输出端，第二十一电阻R21的第一端和第二十二电阻R22的第一端分别连接第二十电阻R20的第一端和第二端，第二十一电阻R21的第二端与第七电容C7的第一端共接于检流芯片U5的输入正脚IN+，第二十二电阻R22的第二端与第八电容C8的第一端共接于检流芯片U5的输入负脚IN-，检流芯片U5的电源脚V+与第九电容C9的第一端的共接点为电流检测模块109的电源端，检流芯片U5的空接脚NC空接，检流芯片U5的输出脚OUT连接第二十三电阻R23的第一端，第二十三电阻R23的第二端为电流检测模块109的检流反馈端，第十电容C10的第一端与第二十四电阻R24的第一端共接于第二十三电阻R23的第二端，第七电容C7的第二端与第八电容C8的第二端、第九电容C9的第二端、第十电容C10的第二端、第二十四电阻R24的第二端、检流芯片U5的地脚GND、第一基准电压脚REF1及第二基准电压脚REF2共接于地。其中，第二十电阻R20作为检流电阻对输出滤波电路 104的输出电流（即电源适配器100的输出电流）进行采样，再通过检流芯片U5根据第二十电阻R20两端的电压输出电流检测信号至主控芯片U2；检流芯片U5具体可以是型号为INA286的电流分流监控器。
电压检测模块110包括：
第二十五电阻R25、第二十六电阻R26、第十一电容C11、第十二电容C12、第二十七电阻R27以及第二十八电阻R28；
第二十五电阻R25的第一端为电压检测模块110的第一检测端，第二十五电阻 R25的第二端与第二十六电阻R26的第一端及第十一电容C11的第一端的共接点为电压检测模块110的第二输出端，第二十六电阻R26的第二端为电压检测模块 110的第二检测端，第十一电容C11的第二端与第十二电容C12的第一端及第二十七电阻R27的第一端共接于第二十六电阻R26的第二端，第十二电容C12的第二端与第二十七电阻R27的第二端及第二十八电阻R28的第一端的共接点为电压检测模块110的第一输出端，第二十八电阻R28的第二端为电压检测模块110的第三检测端。
输出开关模块111包括：
第二十九电阻R29、第三十电阻R30、第十三电容C13、第三十一电阻R31、第一NPN型三极管N1、第三十二电阻R32、第二NPN型三极管N2、第三二极管D3、稳压二极管ZD、第三十三电阻R33、第三十四电阻R34、第三十五电阻R35、第二NMOS管Q2以及第三NMOS管Q3；
第二十九电阻R29的第一端为输出开关模块111的受控端，第二十九电阻R29的第二端与第三十电阻R30的第一端共接于第一NPN型三极管N1的基极，第十三电容C13的第一端与第三十一电阻R31的第一端及第三十二电阻R32的第一端共接于第三二极管D3的阴极，第三二极管D3的阳极为输出开关模块111的电源端，第三十一电阻R31的第二端与第二NPN型三极管N2的基极共接于第一NPN型三极管N1的集电极，第三十二电阻R32的第二端与稳压二极管ZD的阴极以及第三十三电阻R33的第一端共接于第二NPN型三极管N2的集电极，第三十电阻R30的第二端与第十三电容C13的第二端、第一NPN型三极管N1的发射极、第二NPN型三极管N2的发射极以及稳压二极管ZD的阳极共接于地，第三十三电阻R33的第二端与第三十四电阻R34的第一端、第三十五电阻R35的第一端、第二NMOS管Q2的栅极以及第三NMOS管Q3的栅极共接，第三十四电阻R34的第二端为输出开关模块111的接地端，第二NMOS管Q2的漏极为输出开关模块111的输入端，第二 NMOS管Q2的源极与第三十五电阻R35的第二端共接于第三NMOS管Q3的源极，第三NMOS管Q3的漏极为输出开关模块111的输出端。其中，第二NMOS管Q2和第三NMOS管Q3同时导通或截止以开启或关闭电源适配器100的直流电输出。
图5示出了上述充电控制模块200的示例电路结构，为了便于说明，仅示出了与本发明实施例相关的部分，详述如下：
充电控制模块200包括：
电池连接器J1、主控制器U6、第十三电容C13、第三十六电阻R36、第三十七电阻R37、第十四电容C14、第一肖特基二极管SD1、第二肖特基二极管SD2、第十五电容C15、第三十八电阻R38、第三十九电阻R39、第四十电阻R40、第三 NPN型三极管N3、第四NMOS管Q4以及第五NMOS管Q5；
电池连接器J1连接电池300的多个电极，电池连接器J1的第一脚5A-1与第二脚 5A-2共接于地，电池连接器J1的第一接地脚GND1和第二接地脚GND2共接于地，主控制器U6的第一输入输出脚RA0与电池连接器J1的第七脚5A-3和第八脚5A-4连接，主控制器U6的第二输入输出脚RA1、第七输入输出脚RC0、第八输入输出脚RC1及第九输入输出脚RC2分别与电池连接器J1的第六脚2A-4、第五脚2A-3、第四脚2A-2及第三脚2A-1连接，主控制器U6的模拟地脚VSS和地脚GND均接地，主控制器U6的第一空接脚NC0和第二空接脚NC1均空接，主控制器U6的电源脚VDD与第十三电容C13的第一端均与电池连接器J1的第七脚5A-3和第八脚5A-4共接，主控制器U6的第四输入输出脚RA3和第十一输入输出脚RC4与电子设备中的控制器300进行数据通信，第三十六电阻R36连接于主控制器U6的第四输入输出脚RA3与电源脚VDD之间，主控制器U6的第六输入输出脚RA5和第十二输入输出脚RC5分别连接适配器100中的主控模块107的第一通信端和第二通信端，第三十七电阻R37的第一端与第三十八电阻R38的第一端共接于主控制器U6的第十输入输出端RC3，第三十七电阻R37的第二端连接主控制器U6的电源脚VDD，第三十八电阻R38的第二端连接第三NPN型三极管N3的基极，主控制器U6的第五输入输出端RA4连接第十四电容C14的第一端，第十四电容C14的第二端与第一肖特基二极管SD1的阴极共接于第二肖特基二极管SD2的阳极，第三十九电阻 R39的第一端与第十五电容C15的第一端共接于第二肖特基二极管SD2的阴极，第三十九电阻R39的第二端与第四十电阻R40的第一端及第三NPN型三极管N3的集电极均连接第四NMOS管Q4的栅极和第五NMOS管Q5的栅极，第四十电阻 R40的第二端与第十五电容C15的第二端共接于地，第四NMOS管Q4的源极连接第一肖特基二极管SD1的阳极，且还与电池连接器J1的第七脚5A-3和第八脚5A-4连接，第四NMOS管Q4的漏极连接第五NMOS管Q5的漏极，第五NMOS管Q5的源极与电子设备的通信接口20的电源线VBUS连接，第三NPN型三极管N3的发射极连接第三肖特基二极管SD3的阳极，第三肖特基二极管SD3的阴极接地。其中，主控制器U6具体可以是型号为PIC12LF1501、PIC12F1501、PIC16LF1503、PIC16F1503、PIC16LF1507、PIC16F1507、PIC16LF1508、PIC16F1508、PIC16LF1509或者PIC16F1509的单片机。
在对电池400进行快速充电时，主控制器U6通过其第五输入输出脚RA4输出高电平驱动第四NMOS管Q4和第五NMOS管Q5导通，并通过其第十输入输出脚 RC3输出低电平控制第三NPN型三极管N3关断，由于电池400本身就已经通过电子设备的通信接口20从电源适配器100获得直流电，所以此时通过第四NMOS管 Q4和第五NMOS管Q5引入直流电可以起到增大对电池400的充电电流的作用，从而实现对电池300的快速充电；反之，当需要对电池400进行常规充电，或者因电源适配器100的输出存在过压和/或过流现象需要关闭电子设备的通信接口20时，主控制器U6则通过其第五输入输出脚RA4输出低电平控制第四NMOS管Q4和第五NMOS管Q5关断，并通过其第十输入输出脚RC3输出高电平控制第三NPN型三极管N3导通。
另外，主控制器U6通过其第四输入输出脚RA3和第十一输入输出脚RC4与电子设备进行数据通信，主控制器U6可将电池400的电压和电量信息传送给电子设备的控制器300，且主控制器U6还可以根据电池400的电压判断电池400是否完成快速充电进程，如果是，则可以反馈快充关断指令告知电子设备将充电模式从快速充电模式切换至常规充电模式；在电源适配器100对电池400进行充电的过程中，如果电源适配器100与电池400之间的突然断开连接，主控制器U6通过电池连接器J1检测电池300的电压并反馈充电终止指令告知控制器300关闭电子设备的通信接口20以终止对电池400的充电进程；再者，如果电子设备能够检测电池 300的温度，则电子设备中的控制器300在温度异常时告知主控制器U6将第四 NMOS管Q4和第五NMOS管Q5关断，以停止对电池300进行快速充电，同时电子设备将充电模式从快速充电模式切换至常规充电模式。
此外，在对电池400进行快速充电时，如果电源适配器100的通信接口10的电源线VBUS和地线GND分别与电子设备的通信接口20的地线GND和电源线VBUS连接（即电源适配器100的通信接口10的电源线VBUS和地线GND分别与充电控制模块200的地和第五NMOS管Q5的源极连接），此时也就是电源适配器100的通信接口10与电子设备的通信接口20反接，充电控制模块200中的地会接入直流电，而第五NMOS管Q5的源极会接地；为了避免造成元器件损坏的问题，如图6所示，充电控制模块200还可以进一步包括第六NMOS管Q6、第七NMOS管Q7及第四十一电阻R41，第六NMOS管Q6的源极连接第五NMOS管Q5的源极，第六 NMOS管Q6的漏极连接第七NMOS管Q7的漏极，第七NMOS管Q7的源极连接第三 NPN型三极管N3的集电极，第六NMOS管Q6的栅极与第七NMOS管Q7的栅极共接于第四十一电阻R41的第一端，第四十一电阻R41的第二端接地。
当出现上述反接问题时，第四十一电阻R41的第二端从地接入直流电以驱动第六NMOS管Q6和第七NMOS管Q7关断，从而使从地进入充电控制模块200的直流电无法形成回路，以达到保护充电控制模块200中的元器件不受损坏的目的。
综上所述，本发明实施例采用包括电源适配器100和充电控制模块200的电池充电装置对电子设备中的电池400进行充电控制，在对电池400进行常规充电或快速充电过程中，电源适配器100与充电控制模块200进行数据通信，当电源适配器100判定其通信接口10所输出的直流电出现过压和/或过流时，电源适配器100告知充电控制模块200驱动电子设备中的控制器300关闭电子设备的通信接口20，并自行关闭直流电输出；当充电控制模块200在接收到电源适配器100的输出电压和输出电流时判定出现过压和/或过流时，充电控制模块200告知电源适配器100关闭直流电输出，并驱动电子设备中的控制器300关闭电子设备的通信接口 20，从而在电源适配器100的通信接口10出现过压和/或过流输出时实现对电池 400的过压和/或过流保护。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (14)

  1. 一种电池充电装置，其特征在于，所述电池充电装置包括电源适配器和充电控制模块，所述充电控制模块内置于电子设备，并与所述电子设备中的控制器和电池连接，所述电源适配器通过其通信接口与所述电子设备的通信接口连接，且所述电池通过所述电子设备的通信接口从所述电源适配器获得充电，所述充电控制模块通过所述电子设备的通信接口与所述电源适配器进行数据通信。
    在对所述电池进行常规充电或快速充电时，所述电源适配器先判断其输出电压是否大于电压阈值和输出电流是否大于电流阈值，如果所述输出电压大于电压阈值和/或所述输出电流大于电流阈值，则所述电源适配器向所述充电控制模块发送第一充电关断指令并自行关闭直流电输出，所述充电控制模块根据所述第一充电关断指令驱动所述控制器关闭所述电子设备的通信接口；如果所述输出电压不大于电压阈值，且所述输出电流不大于电流阈值，则所述电源适配器将输出电压信息和输出电流信息反馈至所述充电控制模块，当所述充电控制模块根据所述输出电压信息和所述输出电流信息判定所述电源适配器的输出电压大于电压阈值和/或所述电源适配器的输出电流大于电流阈值时，所述充电控制模块向所述电源适配器反馈第二充电关断指令并驱动所述控制器关闭所述电子设备的通信接口，所述电源适配器根据所述第二充电关断指令关闭直流电输出；当所述充电控制模块根据所述输出电压信息和所述输出电流信息判定所述电源适配器的输出电压不大于电压阈值，且所述电源适配器的输出电流不大于电流阈值，则所述电源适配器继续对其输出电压和输出电流进行判断。
  2. 如权利要求1所述的电池充电装置，其特征在于，所述适配器包括EMI滤波电路、高压整流滤波电路、隔离变压器、输出滤波电路以及电压跟踪与控制电路；市电经过所述EMI滤波电路进行电磁干扰滤除后，由所述高压整流滤波电路进行整流滤波处理输出高压直流电，所述高压直流电通过所述隔离变压器电气隔离后输出至所述输出滤波电路以进行滤波处理后为电池充电，所述电压跟踪与控制电路根据所述输出滤波电路的输出电压对所述隔离变压器的输出电压进行调整；
    所述电源适配器还包括电源模块、主控模块、电位调整模块、电流检测模块、电压检测模块以及输出开关模块；
    所述电源模块的输入端连接所述隔离变压器的次级端，所述主控模块的电源端、所述电位调整模块的电源端以及所述电流检测模块的电源端共接于所述电源模块的输出端，所述主控模块的高电位端和所述电位调整模块的高电位端均连接所述输出滤波电路的正输出端，所述电位调整模块的电位调节端连接所述电压跟踪与控制电路，所述电流检测模块的直流输入端连接所述输出滤波电路的正输出端，所述电流检测模块的检流反馈端连接所述主控模块的电流检测端，所述主控模块的时钟输出端和数据输出端连接所述电位调整模块的时钟输入端和数据输入端，所述电压检测模块的第一检测端和第二检测端分别连接所述电流检测模块的直流输出端和所述输出滤波电路的负输出端，所述电压检测模块的第一输出端和第二输出端分别连接所述主控模块的第一电压检测端和第二电压检测端，所述输出开关模块的输入端连接所述电流检测模块的直流输出端，所述输出开关模块的输出端连接所述电压检测模块的第三检测端，所述输出开关模块的接地端连接所述输出滤波电路的负输出端，所述输出开关模块的受控端和电源端分别连接所述主控模块的开关控制端和所述隔离变压器的次级端，所述输出滤波电路的输出负端、所述输出开关模块的输出端、所述主控模块的第一通信端和第二通信端均连接所述电源适配器的通信接口；
    所述电源模块从所述隔离变压器获取电源并为所述主控模块、所述电位调整模块及所述电流检测模块供电；在对所述电子设备中的电池进行快速充电时，所述电位调整模块根据所述主控模块发出的控制信号驱动所述电压跟踪与控制电路调整所述隔离变压器的输出电压以对所述电池进行快速充电；所述电流检测模块和所述电压检测模块分别对所述电源适配器的输出电流和输出电压进行检测，并相应地反馈电流检测信号和电压检测信号至所述主控模块；所述输出开关模块根据所述主控模块发出的开关控制信号开启或关闭所述电源适配器的直流电输出；
    在对所述电池进行常规充电或快速充电时，所述主控模块根据所述电流检测信号判断所述电源适配器的输出电流是否大于电流阈值，并根据所述电压检测信号判断所述电源适配器的输出电压是否大于电压阈值，当所述输出电压大于所述电压阈值和/或所述输出电流大于电流阈值时，所述主控模块向所述充电控制模块发送第一充电关断指令，并控制所述输出开关模块关闭所述电源适配器的直流电输出，所述充电控制模块根据所述第一充电关断指令驱动所述控制器关闭所述电子设备的通信接口；
    当所述输出电压不大于电压阈值，且所述输出电流不大于电流阈值时，所述主控模块根据所述电压检测信号和所述电流检测信号向所述充电控制模块反馈输出电压信息和输出电流信息，所述充电控制模块根据所述输出电压信息和所述输出电流信息判断所述输出电压是否大于所述电压阈值，并判断所述输出电流是否大于所述电流阈值，如果所述输出电压大于所述电压阈值和/或所述输出电流大于电流阈值，则所述充电控制模块向所述主控模块反馈第二充电关断指令，并驱动所述控制器关闭所述电子设备的通信接口，所述主控模块根据所述第二充电关断指令控制所述输出开关模块关闭所述电源适配器的直流电输出。
  3. 如权利要求2所述的电池充电装置，其特征在于，所述电源模块包括：
    第一电容、稳压芯片、第二电容、第一电感、第二电感、第一二极管、第二二极管、第三电容、第一电阻以及第二电阻；
    所述第一电容的第一端与所述稳压芯片的输入电源引脚和使能引脚的共接点为所述电源模块的输入端，所述第一电容的第二端与所述稳压芯片的地引脚共接于地，所述稳压芯片的开关引脚与所述第二电容的第一端共接于所述第一电感的第一端，所述稳压芯片的内部开关引脚与所述第二电容的第二端共接于所述第一二极管的阴极，所述稳压芯片的反馈电压引脚与所述第一电阻的第一端及所述第二电阻的第一端连接，所述第一电感的第二端与所述第二二极管的阴极共接于所述第二电感的第一端，所述第二电感的第二端与所述第一二极管的阳极、所述第一电阻的第二端及所述第三电容的第一端共接所形成的共接点为所述电源模块的输出端，所述第二二极管的阳极与所述第二电阻的第二端及所述第三电容的第二端共接于地。
  4. 如权利要求2所述的电池充电装置，其特征在于，所述主控模块包括：
    主控芯片、第三电阻、参考电压芯片、第四电阻、第五电阻、第四电容、第六电阻、第七电阻、第一NMOS管、第八电阻、第九电阻、第十电阻、第十一电阻、第十二电阻、第十三电阻以及第十四电阻；
    所述主控芯片的电源脚为所述主控模块的电源端，所述主控芯片的地脚接地，所述主控芯片的第一输入输出脚空接，所述第三电阻的第一端连接所述主控芯片的电源脚，所述第三电阻的第二端与所述第四电阻的第一端共接于所述参考电压芯片的正极，所述参考电压芯片的负极接地，所述参考电压芯片U3的空接脚空接，所述第四电阻的第二端连接所述主控芯片的第二输入输出脚，所述主控芯片的第三输入输出脚为所述主控模块的电流检测端，所述主控芯片的第四输入输出脚连接所述第五电阻的第一端，所述第五电阻的第二端与所述第四电的第一端共接于所述主控芯片的电源脚，所述第四电容的第二端接地，所述主控芯片的第五输入输出脚为所述主控模块的开关控制端，所述主控芯片的第六输入输出脚连接所述第六电阻的第一端，所述第六电阻的第二端与所述第一NMOS管的栅极共接于所述第七电阻的第一端，所述第七电阻的第二端与所述第一NMOS管的源极共接于地，所述第一 NMOS管的漏极连接所述第八电阻的第一端，所述第八电阻的第二端为所述主控模块的高电位端，所述主控芯片的第七输入输出脚和第八输入输出脚分别为所述主控模块的时钟输出端和数据输出端，所述主控芯片的第十输入输出脚和第九输入输出脚分别为所述主控模块的第一电压检测端和第二电压检测端，所述主控芯片的第十一输入输出脚与所述第十二输入输出脚分别连接所述第九电阻的第一端和所述第十电阻的第一端，所述第十一电阻的第一端和所述第十二电阻的第一端分别所述连接第九电阻的第二端和所述第十电阻的第二端，所述第十一电阻的第二端和所述第十二电阻的第二端共接于地，所述第十三电阻的第一端和所述第十四电阻的第一端分别连接所述第九电阻的第二端和所述第十电阻的第二端，所述第十三电阻的第二端和所述第十四电阻的第二端共接于所述主控芯片的电源脚，所述第九电阻的第二端和所述第十电阻的第二端分别为所述主控模块的第一通信端和第二通信端。
  5. 如权利要求2所述的电池充电装置，其特征在于，所述电位调整模块包括：
    第十五电阻、第十六电阻、数字电位器、第十七电阻、第十八电阻、第五电容、第六电容以及第十九电阻；
    所述第十五电阻的第一端与所述第十六电阻的第一端、所述数字电位器的电源脚及所述第五电容的第一端的共接点为所述电位调整模块的电源端，所述第五电容的第二端与所述第六电容的第一端、所述数字电位器的地脚以及所述第十七电阻的第一端共接于地，所述第六电容的第二端连接所述数字电位器的电源脚，所述第十五电阻的第二端与所述数字电位器的串行数据脚的共接点为所述电位调整模块的数据输入端，所述第十六电阻的第二端与所述数字电位器的时钟输入脚的共接点为所述电位调整模块的时钟输入端，所述数字电位器的地址零脚接地，所述数字电位器的第一电位接线脚与所述第十八电阻的第一端共接于所述第十七电阻的第二端，所述第十八电阻的第二端与所述数字电位器的第二电位接线脚共接于所述第十九电阻的第一端，所述第十九电阻的第二端为所述电位调整模块的高电位端，所述数字电位器的电位抽头脚为所述电位调整模块的电位调节端。
  6. 如权利要求2所述的电池充电装置，其特征在于，所述电流检测模块包括：
    第二十电阻、第二十一电阻、第二十二电阻、第七电容、第八电容、检流芯片、第二十三电阻、第十电容、第十电容以及第二十四电阻；
    所述第二十电阻的第一端和第二端分别为所述电流检测模块的直流输入端和直流输出端，所述第二十一电阻的第一端和所述第二十二电阻的第一端分别连接所述第二十电阻的第一端和第二端，所述第二十一电阻的第二端与所述第七电容的第一端共接于所述检流芯片的输入正脚，所述第二十二电阻的第二端与所述第八电容的第一端共接于所述检流芯片的输入负脚，所述检流芯片的电源脚与所述第九电容的第一端的共接点为所述电流检测模块的电源端，所述检流芯片的空接脚空接，所述检流芯片的输出脚连接所述第二十三电阻的第一端，所述第二十三电阻的第二端为所述电流检测模块的检流反馈端，所述第十电容的第一端与所述第二十四电阻的第一端共接于所述第二十三电阻的第二端，所述第七电容的第二端与所述第八电容的第二端、所述第九电容的第二端、所述第十电容的第二端、所述第二十四电阻的第二端、所述检流芯片的地脚、所述第一基准电压脚及所述第二基准电压脚共接于地。
  7. 如权利要求2所述的电池充电装置，其特征在于，所述电压检测模块包括：
    第二十五电阻、第二十六电阻、第十一电容、第十二电容、第二十七电阻以及第二十八电阻；
    所述第二十五电阻的第一端为所述电压检测模块的第一检测端，所述第二十五电阻的第二端与所述第二十六电阻的第一端及所述第十一电容的第一端的共接点为所述电压检测模块的第二输出端，所述第二十六电阻的第二端为所述电压检测模块的第二检测端，所述第十一电容的第二端与所述第十二电容的第一端及所述第二十七电阻的第一端共接于所述第二十六电阻的第二端，所述第十二电容的第二端与所述第二十七电阻的第二端及所述第二十八电阻的第一端的共接点为所述电压检测模块的第一输出端，所述第二十八电阻的第二端为所述电压检测模块的第三检测端。
  8. 如权利要求2所述的电池充电装置，其特征在于，所述输出开关模块包括：
    第二十九电阻、第三十电阻、第十三电容、第三十一电阻、第一 NPN型三极管、第三十二电阻、第二NPN型三极管、第三二极管、稳压二极管、第三十三电阻、第三十四电阻、第三十五电阻、第二NMOS管以及第三NMOS管；
    所述第二十九电阻的第一端为所述输出开关模块的受控端，所述第二十九电阻的第二端与所述第三十电阻的第一端共接于所述第一NPN型三极管的基极，所述第十三电容的第一端与所述第三十一电阻的第一端及所述第三十二电阻的第一端共接于所述第三二极管的阴极，所述第三二极管的阳极为所述输出开关模块的电源端，所述第三十一电阻的第二端与所述第二NPN型三极管的基极共接于所述第一NPN型三极管的集电极，所述第三十二电阻的第二端与所述稳压二极管的阴极以及所述第三十三电阻的第一端共接于所述第二NPN型三极管的集电极，所述第三十电阻的第二端与所述第十三电容的第二端、所述第一NPN型三极管的发射极、所述第二NPN型三极管的发射极以及所述稳压二极管的阳极共接于地，所述第三十三电阻的第二端与所述第三十四电阻的第一端、所述第三十五电阻的第一端、所述第二NMOS管的栅极以及所述第三NMOS管的栅极共接，所述第三十四电阻的第二端为所述输出开关模块的接地端，所述第二NMOS管的漏极为所述输出开关模块的输入端，所述第二NMOS管的源极与所述第三十五电阻的第二端共接于所述第三NMOS管的源极，所述第三NMOS管的漏极为所述输出开关模块的输出端。
  9. 如权利要求1或2所述的电池充电装置，其特征在于，所述充电控制模块包括：
    电池连接器、主控制器、第十三电容、第三十六电阻、第三十七电阻、第十四电容、第一肖特基二极管、第二肖特基二极管、第十五电容、第三十八电阻、第三十九电阻、第四十电阻、第三 NPN型三极管、第四NMOS管以及第五NMOS管；
    所述电池连接器连接所述电池的电极，所述电池连接器的第一脚与第二脚共接于地，所述电池连接器的第一接地脚和第二接地脚共接于地，所述主控制器的第一输入输出脚与所述电池连接器的第七脚和第八脚连接，所述主控制器的第二输入输出脚、第七输入输出脚、第八输入输出脚及第九输入输出脚分别与所述电池连接器的第六脚、第五脚、第四脚及第三脚连接，所述主控制器的模拟地脚和地脚均接地，所述主控制器的第一空接脚和第二空接脚均空接，所述主控制器的电源脚与所述第十三电容的第一端均与所述电池连接器的第七脚和第八脚共接，所述主控制器的第四输入输出脚和所述第十一输入输出脚与所述电子设备中的控制器进行数据通信，所述第三十六电阻连接于所述主控制器的第四输入输出脚与电源脚之间，所述主控制器的第六输入输出脚和第十二输入输出脚分别连接所述适配器中的主控模块的第一通信端和第二通信端，所述第三十七电阻的第一端与所述第三十八电阻的第一端共接于所述主控制器的第十输入输出端，所述第三十七电阻的第二端连接所述主控制器的电源脚，所述第三十八电阻的第二端连接所述第三NPN型三极管的基极，所述主控制器的第五输入输出端连接所述第十四电容的第一端，所述第十四电容的第二端与所述第一肖特基二极管的阴极共接于所述第二肖特基二极管的阳极，所述第三十九电阻的第一端与所述第十五电容的第一端共接于所述第二肖特基二极管的阴极，所述第三十九电阻的第二端与所述第四十电阻的第一端及所述第三NPN型三极管的集电极均连接所述第四NMOS管的栅极和所述第五NMOS管的栅极，所述第四十电阻的第二端与所述第十五电容的第二端共接于地，所述第四NMOS管的源极连接所述第一肖特基二极管的阳极，且还与所述电池连接器的第七脚和第八脚连接，所述第四NMOS管的漏极连接所述第五NMOS管的漏极，所述第五NMOS管的源极与所述电子设备的通信接口的电源线连接，所述第三NPN型三极管的发射极连接所述第三肖特基二极管的阳极，所述第三肖特基二极管的阴极接地。
  10. 如权利要求9所述的电池充电装置，其特征在于，所述充电控制模块还包括第六NMOS管、第七NMOS管及第四十一电阻；所述第六NMOS管的源极连接所述第五NMOS管的源极，所述第六NMOS管的漏极连接所述第七NMOS管的漏极，所述第七NMOS管的源极连接所述第三NPN型三极管的集电极，所述第六NMOS管的栅极与所述第七NMOS管的栅极共接于所述第四十一电阻的第一端，所述第四十一电阻的第二端接地。
  11. 一种基于如权利要求1所述的电池充电装置的电池充电保护控制方法，其特征在于，所述电池充电保护控制方法包括以下步骤：
    A．在对电子设备中的电池进行常规充电或快速充电时，所述电源适配器判断其输出电压是否大于电压阈值，并判断其输出电流是否大于电流阈值，当所述输出电压大于电压阈值和/或所述输出电流大于电流阈值时执行步骤B，当所述输出电压不大于电压阈值，且所述输出电流不大于电流阈值时执行步骤D；
    B. 所述电源适配器向所述充电控制模块发送第一充电关断指令，并自行关闭直流电输出；
    C．所述充电控制模块根据所述第一充电关断指令驱动所述电子设备中的控制器关闭所述电子设备的通信接口；
    D．所述电源适配器将输出电压信息和输出电流信息反馈至所述充电控制模块；
    E．所述充电控制模块根据所述输出电压信息和所述输出电流信息判断所述电源适配器的输出电压是否大于电压阈值，并判断所述电源适配器的输出电流是否大于电流阈值，当所述电源适配器的输出电压大于电压阈值和/或所述电源适配器的输出电流大于电流阈值时执行步骤F，当所述电源适配器的输出电压不大于电压阈值，且所述电源适配器的输出电流不大于电流阈值时返回执行步骤A；
    F．所述充电控制模块向所述电源适配器反馈第二充电关断指令，并驱动所述控制器关闭所述电子设备的通信接口；
    G．所述电源适配器根据所述第二充电关断指令关闭直流电输出。
  12. 如权利要求11所述的电池充电保护控制方法，其特征在于，所述步骤D包括以下步骤：
    所述充电控制模块向所述电源适配器发出充电参数获取请求；
    所述电源适配器根据所述充电参数获取请求将输出电压信息和输出电流信息反馈至所述充电控制模块。
  13. 如权利要求11所述的电池充电保护控制方法，其特征在于，在对所述电池进行快速充电时，所述步骤C具体为：
    所述充电控制模块根据所述第一充电关断指令停止从所述电源适配器引入直流电对所述电池充电，并驱动所述控制器关闭所述电子设备的通信接口。
  14. 如权利要求11所述的电池充电保护控制方法，其特征在于，在对所述电池进行快速充电时，所述步骤F包括以下步骤：
    所述充电控制模块向所述电源适配器反馈第二充电关断指令；
    所述充电控制模块停止从所述电源适配器引入直流电对所述电池充电，并驱动所述控制器关闭所述电子设备的通信接口。
PCT/CN2014/077474 2014-01-28 2014-05-14 电池充电装置及电池充电保护控制方法 Ceased WO2015113344A1 (zh)

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