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WO2023134667A1 - Unité d'attaque réglable, ensemble d'attaque, appareil de conversion d'alimentation électrique et procédé de commande de sortie - Google Patents

Unité d'attaque réglable, ensemble d'attaque, appareil de conversion d'alimentation électrique et procédé de commande de sortie Download PDF

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Publication number
WO2023134667A1
WO2023134667A1 PCT/CN2023/071560 CN2023071560W WO2023134667A1 WO 2023134667 A1 WO2023134667 A1 WO 2023134667A1 CN 2023071560 W CN2023071560 W CN 2023071560W WO 2023134667 A1 WO2023134667 A1 WO 2023134667A1
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WO
WIPO (PCT)
Prior art keywords
control
signal
unit
output
power conversion
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/CN2023/071560
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English (en)
Chinese (zh)
Inventor
高晓光
高巍
王林国
郭忠银
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ZTE Corp
Original Assignee
ZTE Corp
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
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2023134667A1 publication Critical patent/WO2023134667A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Definitions

  • the present disclosure relates to the field of electronic equipment, and in particular, to an adjustable drive unit, a drive assembly including the adjustable drive unit, a power conversion device including the drive assembly, and an output of the adjustable drive unit Control Method.
  • Too strong driving capability will lead to too large current change (di/dt) of the power switching device and too fast change of source-drain voltage (dv/dt). Too weak driving capability will lengthen the switching delay of the power switching device and slow down the switching speed, resulting in excessive switching loss.
  • Embodiments of the present disclosure provide an adjustable drive unit, a drive assembly including the adjustable drive unit, a power conversion device including the drive assembly, and an output control method of the adjustable drive unit.
  • an adjustable drive unit includes a drive circuit, the adjustable drive unit is configured to provide a conversion control signal to the main power conversion unit, wherein the adjustable The adjustment drive unit further includes an adjustment component, and the adjustment component is configured to adjust the input signal and/or output signal of the drive circuit when the control terminal of the adjustment component receives the adjustment control signal, so that the adjustable The drive unit can provide the main power conversion unit with a conversion control signal satisfying a control condition.
  • a drive assembly including an adjustable drive unit, a signal detection unit and a control unit, and the adjustable drive unit is provided by the first aspect of the present disclosure
  • An adjustable drive unit the signal detection unit is configured to detect the current flowing through the energy storage inductance of the main power conversion unit; the control unit is configured to provide the adjustable drive according to the current detected by the signal detection unit
  • the control terminal of the adjustment component of the unit provides the adjustment control signal, so that the adjustable drive unit provides the conversion control signal satisfying the control condition to the main power conversion unit.
  • a power conversion device includes a main power conversion unit and a drive assembly, wherein the drive assembly is the drive assembly provided in the second aspect of the present disclosure, and the The two input terminals of the signal detection unit are respectively electrically connected to the two ends of the energy storage inductor of the main power conversion unit, and the high level output terminal and the low level output terminal of the adjustable drive unit are respectively connected to the main power conversion unit.
  • the two control terminals of the power conversion unit are electrically connected.
  • an output control method of an adjustable drive unit is provided, wherein the adjustable drive unit is used in a power conversion device, the adjustable drive unit includes a drive circuit, and the output control The method includes: detecting the current flowing through the energy storage inductor of the main power conversion unit of the power conversion device; generating a conversion control signal according to the detected current; providing the conversion control signal to the adjustable drive unit, and controlling the The input signal and/or output signal of the driving circuit is adjusted, so that the adjustable driving unit provides a predetermined conversion control signal to the main power conversion unit.
  • the output of the adjustable drive unit is no longer a fixed value, but can be adjusted according to the received adjustment control signal, so that the adjusted output conversion control signal can ensure the main power conversion unit.
  • the output satisfies the requirements of the use scenario, so that the power conversion device including the adjustable drive unit and the main power conversion unit meets the use requirements.
  • FIG. 1 is a schematic diagram of a first embodiment of a power conversion device provided by the present disclosure
  • Fig. 2 is a schematic diagram of a second implementation manner of the power conversion device provided by the present disclosure, wherein the adjustment component is configured to adjust the output signal of the drive circuit;
  • Figure 3 is a schematic diagram showing one embodiment of an adjustment assembly
  • Figure 4 is a schematic diagram showing another embodiment of the adjustment assembly
  • Figure 5 is a schematic diagram showing yet another embodiment of the adjustment assembly
  • Fig. 6 is a schematic diagram of a third implementation manner of the power conversion device provided by the present disclosure, wherein the adjustment component is configured to adjust the input signal of the driving circuit;
  • Fig. 7 is a schematic diagram of a fourth embodiment of the power conversion device provided by the present disclosure.
  • Fig. 8 is a schematic diagram of a fifth embodiment of the power conversion device provided by the present disclosure.
  • FIG. 9 is a schematic diagram of a sixth implementation manner of a power conversion device provided by the present disclosure.
  • Fig. 10 is a schematic diagram of a seventh embodiment of the power conversion device provided by the present disclosure.
  • Fig. 11 is a schematic diagram of an eighth implementation manner of a power conversion device provided by the present disclosure.
  • Fig. 12 is a schematic flow chart of the first implementation of the output control method provided by the present disclosure.
  • Fig. 13 is a schematic flowchart of a second implementation manner of the output control method provided by the present disclosure.
  • the adjustable drive unit the drive assembly including the adjustable drive unit, the power conversion device including the drive assembly, and the The output control method of the adjustable drive unit is described in detail.
  • an adjustable drive unit 100 is provided. As shown in FIG. 1 , the adjustable drive unit 100 is configured to provide a conversion control signal to the main power conversion unit 200, the adjustable drive unit 100 includes a drive circuit 110, and further includes an adjustment component 120, and the adjustment component 120 is configured to When the control terminal of the adjustment component 120 receives the adjustment control signal, it adjusts the input signal and/or the output signal of the drive circuit 110, so that the adjustable drive unit 100 can provide the main power conversion unit 200 with the power that satisfies the control conditions. Convert control signal.
  • control conditions are not particularly limited.
  • the control condition may be determined according to a specific application scenario of the power conversion device including the adjustable drive unit 100 .
  • the control condition may include: under the control of the conversion control signal, the output of the main power conversion unit 200 is qualified.
  • the specific meaning of “qualified output” is not specifically limited, and it can be determined according to the specific application scenario of the power conversion device including the adjustable drive unit 100 and the main power conversion unit 200 that the "qualified output” is The parameters of the main power conversion unit 200 are defined.
  • whether the current flowing through the energy storage inductor L of the main power conversion unit 200 satisfies a predetermined condition can be used to judge whether the "output is qualified".
  • forward direction refers to the direction from the input end of the main power conversion unit 200 to the output end of the main power conversion unit 200 .
  • the output of the adjustable drive unit 100 is no longer a fixed value, but can be adjusted according to the received adjustment control signal, so that the conversion of the output after adjustment
  • the control signal can ensure that the output of the main power conversion unit 200 meets the requirements of the use scenario, so that the power conversion device including the adjustable drive unit and the main power conversion unit meets the use requirements.
  • the adjustment component 120 can be used to adjust the input signal of the drive circuit 110, the adjustment component 120 can also be used to adjust the output signal of the drive circuit 110, and the adjustment component 120 can also be used to adjust the input signal of the drive circuit 110 and The output signal is conditioned simultaneously.
  • the driving circuit 110 may be a driving chip, therefore, the output terminal of the driving circuit 110 includes a high-level output terminal (that is, the HO pin on the driving chip) and a low-level output terminal (that is, drive the LO pin on the chip).
  • the adjustment component 120 can be connected in series to the low-level output end of the drive circuit 110, specifically, the input end of the adjustment component 120 and the drive circuit 110
  • the low-level output end of the adjustment component 120 is electrically connected to the low-level signal control end of the main power conversion unit 200, and the control end of the adjustment component 120 is configured to receive an adjustment control signal.
  • the resistance of the adjustment component 120 is different according to the adjustment control signal.
  • the transistor Q5 is an N-type transistor
  • the second transistor Q6 is a P-type transistor
  • the base of the first transistor Q5 is electrically connected to the base of the second transistor Q6, and receives a PWM signal
  • the first transistor Q6 The collector of the transistor Q5 is electrically connected to Vcc
  • the emitter of the first transistor Q5 is electrically connected to the collector of the second transistor Q6, and forms an output terminal of the drive circuit, and the emitter of the second transistor Q6 grounded.
  • the adjustment control signal may include a plurality of different control sub-signals.
  • the control terminal of the adjustment component 120 receives different control sub-signals, the overall resistance of the adjustment component 120 is different.
  • the output terminal of the regulating component 120 is electrically connected to the low-level signal control terminal of the main power conversion unit 200 .
  • the main power conversion unit 200 provides a conversion control signal satisfying a control condition.
  • the specific structure of the adjustment assembly 120 is not specifically limited.
  • the control signal and the specific structure of the adjustment component 120 may be involved according to the requirements of the usage scenario.
  • the resistance value of the overall resistance of the adjustment component 120 can be switched between two resistance values.
  • the plurality of control sub-signals may include a first control sub-signal and a second control sub-signal.
  • One of the first control sub-signal and the second control sub-signal is a high-level signal, and the other is a low-level signal.
  • the regulation component 120 includes a first resistor R1 , a second resistor R2 , a third resistor R3 , a first control transistor Q1 and a second control transistor Q2 .
  • the gate of the first control transistor Q1 is electrically connected to the control end of the regulation component 120 (in other words, the gate of the first control transistor Q1 is formed as the control terminal of the regulation component 120), and the first pole of the first control transistor Q1 is connected to the second electrode of the second control transistor Q1.
  • the gate of the control transistor Q2 is electrically connected.
  • the second pole of the first control transistor Q1 is grounded, and when the gate of the first control transistor Q1 receives the first control sub-signal, the first pole and the second pole of the first control transistor Q1 are turned on, and the first control transistor Q1 When the gate of the first control transistor Q1 receives the second control sub-signal, the first electrode and the second electrode of the first control transistor Q1 are disconnected.
  • the first pole of the second control transistor Q2 is electrically connected to the first end of the first resistor R1, and the second pole of the second control transistor Q2 is electrically connected to the first end of the third resistor R3. It should be noted that in order to realize the resistance For the purpose of regulation, when the first pole and the second pole of the first control transistor Q1 are turned on, the first pole and the second pole of the second control transistor Q2 are also turned on.
  • the second terminal of the first resistor R1 is electrically connected to the first terminal of the second resistor R2, and the second terminal of the second resistor R2 is electrically connected to the low level output terminal LO of the driving circuit.
  • the second end of the third resistor R3 is configured to be electrically connected to the first electrode of the first control transistor Q1.
  • the gate of the first control transistor Q1 When the gate of the first control transistor Q1 receives the first control sub-signal, the first pole and the second pole of the first control transistor Q1 are turned on, and the first pole and the second pole of the second control transistor Q2 There is also conduction between them. At this time, the overall resistance of the adjustment component (ie, the driving resistance of the adjustable driving unit) is R1*R3/(R1+R3). When the first control transistor Q1 is turned off, the overall resistance of the adjustment component (ie, the driving resistance of the adjustable driving unit) is the second resistance R2.
  • one of the first control sub-signal and the second control sub-signal is a high-level signal, and the other is a low-level signal.
  • the first control sub-signal is a high-level signal
  • the second control sub-signal is a low-level signal.
  • the first control transistor Q1 is an NPN triode
  • the second control transistor Q2 is an N-type MOS transistor.
  • the output of the adjustable driving unit 100 is controlled by adjusting the driving resistance.
  • the output of the adjustable driving unit 100 may be controlled by adjusting the input current of the driving circuit 110 .
  • the adjustment control signal may include a plurality of different control sub-signals
  • the adjustment component 120 includes a switch element 121 and a plurality of current sources, and the plurality of current sources can respectively output a plurality of output currents with different current values, And the multiple control sub-signals correspond to the multiple current sources respectively.
  • the output end of the adjustment component 120 is electrically connected to the input end of the current source of the driving circuit 110, and the switching element of the adjustment component 120 can connect the output end of the corresponding current source to the input end of the current source according to the received control sub-signal.
  • the input terminal of the driving circuit 120 is turned on.
  • multiple current sources are integrated in the regulation component 120 , and different current sources can output currents with different current values. Therefore, by selecting the current source, the adjustable driving unit 100 can be made to output a conversion control signal satisfying the control condition.
  • the multiple control sub-signals may be a first control sub-signal and a second control sub-signal respectively.
  • the driving component 120 may include two current sources, which are respectively a first current source 122a and a second current source 122b.
  • the first control sub-signal corresponds to the first current source 122a
  • the second control sub-signal corresponds to the second current source 122b.
  • the switch element 121 When the switch element 121 receives the first control sub-signal, it controls the first current source 122a to conduct with the input end of the drive circuit 110; when the switch element receives the second control sub-signal, it controls the second current source 122b to connect to the drive circuit The input terminal of 110 is turned on.
  • the specific structure of the switch element 121 is not specifically limited.
  • the switching element may include an N-type MOS transistor and a P-type MOS transistor, the gate of the N-type MOS transistor is electrically connected to the gate of the P-type MOS transistor, and the first electrode of the N-type MOS transistor is connected to the first electrode of the P-type MOS transistor.
  • the output end of a current source is electrically connected, the second pole of the N-type MOS transistor is electrically connected to the input end of the current source of the driving circuit 110, the first pole of the P-type MOS transistor is electrically connected to the output end of the second current source, and the P-type MOS transistor is electrically connected to the output end of the second current source.
  • the second pole of the MOS transistor is electrically connected to the current source input end of the driving circuit 110 .
  • the first pole and the second pole of the N-type MOS transistor are turned on, so that the first current source can be used to provide the drive circuit 110 with an input current.
  • the first pole and the second pole of the P-type MOS transistor are turned on, so that the second current source can be used to provide the drive circuit with an input current.
  • the driving circuit 110 , each current source, and the switching element 121 can be integrated on the same chip, so that the integration degree of the adjustable driving unit can be improved.
  • the adjustment control signal includes a plurality of different control sub-signals. As shown in FIG. voltage, adjust the received input voltage according to the received control sub-signal, and output the adjusted voltage to the drive circuit.
  • a driving assembly includes an adjustable driving unit 100 , a signal detection unit 300 and a control unit 400 .
  • the adjustable drive unit 100 is the adjustable drive unit provided in the first aspect of the present disclosure.
  • the signal detection unit 300 is configured to detect the current flowing through the energy storage inductor L of the main power conversion unit 200;
  • the control unit 400 is configured to provide the adjustment control signal to the control terminal of the adjustment assembly 110 of the adjustable drive unit 100 according to the current detected by the signal detection unit 300, so that the adjustable drive unit 100 provides the main power conversion unit 200 with satisfactory control Conditional transition control signal.
  • the signal detection unit 300 detects the current flowing through the energy storage inductor L of the main power conversion unit 200 , so as to determine the output state of the main power conversion unit 200 .
  • the control unit 400 generates different control signals according to the detection results of the signal detection unit 300, that is, the control unit 400 can generate control signals according to the output state of the main power conversion unit 200, and control the adjustment components of the adjustable drive unit 100 according to the control
  • the signal adjusts the input signal and/or the output signal of the drive circuit, and finally can provide the conversion control signal satisfying the control condition to the main power conversion unit.
  • control condition includes: under the control of the conversion control signal, the output of the main power conversion unit 200 is qualified.
  • forward direction refers to the direction from the input end of the main power conversion unit 200 to the output end of the main power conversion unit 200 .
  • the adjustment control signal includes a first control sub-signal and a second control sub-signal
  • the control unit is configured such that when the current detected by the signal detection unit does not exceed a preset threshold and flows to When it is normal (that is, the output is qualified), the first control sub-signal is generated, and the control unit is configured to be when the current detected by the signal detection unit exceeds a preset threshold and/or the flow direction is abnormal (that is, when the output is unqualified) , generating the second control sub-signal.
  • the unqualified output here is mainly caused by too strong driving ability. Therefore, it is necessary to reduce the driving capability of the adjustable driving unit.
  • the output of the default initial state of the power conversion device is normal. Therefore, when the current flowing through the energy storage inductor L is qualified, the control unit 400 may generate the first control sub-signal, so that the adjustable driving unit maintains the output of the initial state. When the current flowing through the energy storage inductor L is unqualified, the control unit 400 may generate a second control sub-signal, so that the output state of the adjustable driving unit changes.
  • the signal detection unit 300 can continuously detect the current flowing through the energy storage inductor L. When the current of the energy storage inductor L returns to a qualified state again, the control unit 400 generates the first control sub-signal again, so that the adjustable driving unit maintains the output of the initial state.
  • the adjustable driving unit 100 shown in FIG. 2 and FIG. 3 can be used;
  • the second is to reduce the input current to the drive circuit.
  • the adjustment component receives the first control sub-signal
  • the output current of the current source used by the drive circuit is greater than that received by the adjustment component. 2.
  • the drive circuit uses the output terminal flow of the current source.
  • the adjustable drive unit 100 shown in FIG. 4 and FIG. 6 can be used.
  • a power conversion device includes a main power conversion unit 200 and a drive assembly, wherein the drive assembly is the drive assembly provided in the second aspect of the present disclosure,
  • the two input terminals of the signal detection unit 300 are respectively electrically connected to the two ends of the energy storage inductor of the main power conversion unit 200, and the high level output terminal and the low level output terminal of the adjustable drive unit are respectively connected to the main power
  • the two control terminals of the conversion unit 200 are electrically connected.
  • the specific structure of the main power conversion unit 200 is not particularly limited, and the main power conversion unit 200 may include power switching devices (including Q3 and Q4 ), magnetic devices and the like.
  • the main power conversion unit is selected from a BOOST circuit (see FIG. 1), a BUCK-BOOST circuit (see FIG. 7 and FIG. 8, wherein the main power conversion unit shown in FIG. 7 is a four-switch BUCK-BOOST circuit,
  • the main power conversion unit shown in Figure 8 is any one of the negative-to-positive BUCK-BOOST circuit), the multi-level circuit (see Figure 9), the FULLBRIDGE circuit (see Figure 10), and the LLC resonant circuit (see Figure 11). .
  • an output control method of an adjustable drive unit is provided, the adjustable drive unit is used in a power conversion device, and the adjustable drive unit includes a drive circuit, as shown in FIG. 12 , the output control method includes:
  • step S110 detecting the current flowing through the energy storage inductor of the main power conversion unit of the power conversion device
  • step S120 a switching control signal is generated according to the detected current
  • step S130 the conversion control signal is provided to the adjustable driving unit, and the input signal and/or output signal of the driving circuit is adjusted, so that the adjustable driving unit converts to the main power
  • the unit provides predetermined switching control signals.
  • control conditions are not particularly limited.
  • the control condition may be determined according to a specific application scenario of the power conversion device including the adjustable drive unit 100 .
  • the control condition may include: under the control of the conversion control signal, the output of the main power conversion unit 200 is qualified.
  • the step S120 of generating a conversion control signal according to the detected current may include:
  • a second control sub-signal is generated to change the current output state of the adjustable driving unit.
  • the pulse width modulation signal of the signal provided to the driving circuit remains unchanged.
  • the pulse width of the pulse width modulation signal of the signal provided to the driving circuit is also adaptively changed.
  • the output of the default initial state of the power conversion device (the power conversion device includes the driving component provided by the second aspect of the present disclosure) is normal. Therefore, when the current flowing through the energy storage inductor L is qualified, the first control sub-signal is generated, so that the adjustable driving unit maintains the output of the initial state. When the current flowing through the energy storage inductor L is unqualified, a second control sub-signal may be generated, so that the output state of the adjustable driving unit changes.
  • the current flowing through the energy storage inductor L can be continuously detected (that is, the output control method is executed periodically).
  • the control unit 400 When the current of the energy storage inductor L returns to a qualified state again, the control unit 400 generates the first control sub-signal again, so that the adjustable driving unit maintains the output of the initial state.
  • the first control sub-signal may be a high-level signal
  • the second control sub-signal may be a low-level signal
  • the output control method provided in the present disclosure can be realized by the drive assembly provided in the second aspect of the present disclosure.
  • the signal detection unit 300 may be used to execute step S110
  • the control unit 400 may be used to execute step S130 .
  • the functional modules/units in the system, and the device can be implemented as software, firmware, hardware, and an appropriate combination thereof.
  • the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be composed of several physical components. Components cooperate to execute.
  • Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Power Conversion In General (AREA)

Abstract

La présente divulgation concerne une unité d'attaque réglable. L'unité d'attaque réglable comprend un circuit d'attaque, et celle-ci est configurée pour fournir un signal de commande de conversion pour une unité de conversion d'énergie principale. L'unité d'attaque réglable comprend en outre un ensemble de réglage, l'ensemble de réglage étant configuré pour régler un signal d'entrée et/ou un signal de sortie du circuit d'attaque lorsqu'une extrémité de commande de l'ensemble de réglage reçoit un signal de commande de réglage, de telle sorte que l'unité d'attaque réglable puisse fournir, à l'unité de conversion de puissance principale, le signal de commande de conversion, qui satisfait une condition de commande. La présente divulgation concerne en outre un ensemble d'attaque comprenant l'unité d'attaque réglable, un appareil de conversion d'alimentation électrique comprenant l'ensemble d'attaque, et un procédé de commande de sortie de l'unité d'attaque réglable.
PCT/CN2023/071560 2022-01-12 2023-01-10 Unité d'attaque réglable, ensemble d'attaque, appareil de conversion d'alimentation électrique et procédé de commande de sortie Ceased WO2023134667A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210031667.2A CN116470736A (zh) 2022-01-12 2022-01-12 可调驱动单元、驱动组件、电源转换装置、输出控制方法
CN202210031667.2 2022-01-12

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WO2023134667A1 true WO2023134667A1 (fr) 2023-07-20

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