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WO2016049793A1 - 便携式多功能户外电源 - Google Patents

便携式多功能户外电源 Download PDF

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Publication number
WO2016049793A1
WO2016049793A1 PCT/CN2014/000973 CN2014000973W WO2016049793A1 WO 2016049793 A1 WO2016049793 A1 WO 2016049793A1 CN 2014000973 W CN2014000973 W CN 2014000973W WO 2016049793 A1 WO2016049793 A1 WO 2016049793A1
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WO
WIPO (PCT)
Prior art keywords
charging
box body
layer
control device
wall
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/CN2014/000973
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English (en)
French (fr)
Inventor
董如春
郝韩兵
陈健
李登峰
许飞
刘洋洋
黄寅
汪雯珺
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.)
Chuzhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
Chuzhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
State Grid Corp of China SGCC
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Application filed by Chuzhou Power Supply Co of State Grid Anhui Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical Chuzhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Publication of WO2016049793A1 publication Critical patent/WO2016049793A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the invention relates to a portable multifunctional outdoor power supply.
  • the object of the present invention is to provide a portable multi-function outdoor power source, which is a charging device with external power supply, solar power supply and manual power supply, which can satisfy various situations. Enhance the battery life of the electronic device. In addition, the device can also solve the problem of insufficient power consumption of various electronic devices such as mobile phones and cameras during outdoor travel.
  • the portable multifunctional outdoor power supply is provided with a main body of the device as a box body, and a ratchet type universal caster is arranged at the bottom of the box body, and a telescopic pull rod is arranged outside the box body;
  • the box body is set to four layers, the first layer is a fixed layer, the second layer is a pull-type solar panel, and the inner layer of the fixed layer and the box cover are provided with a solar panel, and the box body is third.
  • the layer is set as a drawer charging area, and the inner wall of the drawer of the charging area is provided with two charging modules, which are respectively a five-hole socket and a multi-interface charger, and the two charging modules are connected with the output end of the battery pack;
  • the fourth layer is provided with a battery pack and a control device connected to the battery pack, wherein the control device is composed of a rectification, filtering, voltage stabilization, control and feedback circuit;
  • the outer part of the box body is provided with a rotating handle, and the rotating shaft of the rotating handle is rotatably connected with the wall of the box body, and the micro-generator driven by the rotating handle is arranged in the box body, and the external wall of the box body is further provided with a 220V AC external power input interface.
  • the external power input interface, the output of the solar panel, and the output of the micro engine are all connected to the control device.
  • the outer wall of the box is further provided with a power display device controlled by the control device and a start/stop switch.
  • the power display device displays the power of the battery pack, and the start/stop switch is disconnected when the battery pack is full or the electrical device connected to the charging module is full. Charging circuit.
  • the top cover of the cover is provided with a portable grip for carrying the case, and the side wall of the cover is provided with a buckle for locking the cover to the case.
  • Three indicator lights controlled by the control device are arranged above the two charging modules, including a TEST detection lamp, a CH charging lamp, and an OK charging saturation indicator.
  • the invention combines three charging modes for external power supply, can be applied to various complicated environmental conditions during outdoor field operation, has high reliability, and greatly improves the endurance capability of the charging instrument.
  • the charging device comprehensively considers the difference of charging interfaces of various electronic devices, and designs various charging interfaces (multi-interface chargers), and can also complete charging without carrying the charging data line in the field work.
  • the charging device takes into account the different latitude and longitude of different regions, and sets the optimal tilt angle of the solar panel to maximize the power generation efficiency.
  • the charging device takes into account various complicated road conditions, the universal wheel is arranged below, and the telescopic pull rod is arranged on the rear wall of the device; the portable grip is arranged above the device, and the device is composed of high-strength insulating lightweight material, and the weight of the main body can be controlled.
  • FIG. 1 is a schematic structural view of a portable multifunctional outdoor power supply device
  • FIG. 2 is a schematic structural view of a portable multifunctional outdoor power supply device (expanding a solar panel)
  • FIG. 3 is a schematic diagram of a third layer structure of a portable multifunctional outdoor power supply device
  • FIG. Functional outdoor power supply device charging and discharging flow chart Figure 5 is a charging and discharging circuit schematic.
  • the label 1 box, 20,000 casters, 3 telescopic rods, 4 solar panels, 5 five-hole socket, 6 multi-interface charger, 7 rotating handle, 8 micro-generator, 9 external power input interface, 10 Battery pack, 11 control device, 12 start-stop switch, 13 power display device, 14 portable grip, 15 buckle, 16 for TEST detection light, 17 for CH charging light, 18 charging saturation indicator.
  • the portable multifunctional outdoor power supply of the embodiment is configured to set the main body of the device as a box body 1 and a ratchet type universal caster 2 at the bottom of the box body, which can drive the charging and discharging device at different angles.
  • the outer part of the box body is provided with a telescopic pull rod 3, and after the pull rod is compressed, it can be fastened to the wall of the device box, wherein the handle portion of the pull rod and the rotating handle are respectively provided with a soft sheath, and the top surface of the box cover is provided with a hand for carrying the box body.
  • Grip 14 in the case of complex road conditions can be passed by hand.
  • the side wall of the cover is provided with a buckle 15 for locking the cover to the case.
  • the inside of the box is set to four layers, the first layer is a fixed layer, the second layer is a pull-out solar panel 4, and the inner layer of the fixed layer and the cover of the box are provided with solar panels, and the third layer of the box is set
  • the drawer type charging area two charging modules are arranged on the inner wall of the drawer of the charging area, which are respectively a five-hole socket 5 and a multi-interface charger 6, two charging modules are connected with the output end of the battery pack;
  • the fourth layer of the box body is provided
  • the control device is composed of rectification, filtering, voltage stabilization, control and feedback circuits.
  • the slide rails are arranged on the inner side walls of the cabinet, and in the drawer
  • the front end is provided with a drawer handle, which makes the drawer easy to pull.
  • the battery pack adopts nickel-tin battery which can be repeatedly charged and discharged.
  • the material used in the whole device is high-strength and light-weight insulation material.
  • the outer part of the box body is provided with a rotating handle 7 , and the rotating shaft of the rotating handle is rotatably connected with the wall of the box body, and the micro-generator 8 driven by the rotating handle is arranged in the box body, and the external wall of the box body is further provided with a 220V AC external power input interface.
  • the external power input interface 9, the output of the solar panel, and the output of the micro engine are all connected to the control device.
  • the power display device 13 and the start/stop switch 12 controlled by the control device are further disposed on the outer wall of the box, and the power display device displays the power of the battery pack.
  • the switch is started and stopped. Turn on the charging circuit.
  • Three indicator lights controlled by the control device are arranged above the two charging modules, including TEST detection lamp 16, CH charging lamp 17, and OK charging saturation indicator 18. It is suggested that the three indicator colors are divided into yellow, green and red colors. Since the multi-interface charger 6 is provided in the drawer of the charging area, it is not necessary to carry the charging data line of the instrument itself, and it can be docked and charged according to the interface specification during charging.
  • the device cover can be completely opened, and the inner wall of the cover is a solar panel structure.
  • the drawer can be opened, the cover can be opened, the solar panel can be unfolded, the solar panel can be charged, and the solar energy can be converted.
  • the solar panels are set at an angle of 30° to the horizontal. According to the requirements of maximum illumination and temperature, the maximum power can be satisfied to maximize the power generation efficiency.
  • the electrical energy is stored in the battery pack; the solar panel is pushed back into the device in a dark environment and charged using a side hand-cranked charging device.
  • the panel material is preferably monocrystalline silicon; choose the right angle to provide maximum power generation efficiency; micro-generator and rotating handles are used together, preferably can produce output load load
  • the power generator and the corresponding speed micro-generator, the rated current and output voltage are not less than the parameter values required by the equipment to be charged.
  • the battery module is designed in a multi-grid type. The battery in each cell selects the appropriate voltage and current.
  • the battery packs are insulated with insulating asbestos or insulation plates. The battery pack can be added according to the actual load.
  • the charging and discharging flowchart of the power supply device of the present invention mainly includes several steps of rectification, filtering, voltage regulation, control, and feedback circuit.
  • Figure 5 is a circuit schematic diagram of the device of the present invention.
  • the unstable power is rectified to a relatively stable DC, and then controlled by the square wave width or frequency control to be AC, through the transformer output, and the output side is boosted through the boost circuit. Give the load.
  • the present invention will be further described below in conjunction with the specific drawings and one of the implementation circuits.
  • the present invention uses three charging methods to output electric energy.
  • the left side of the circuit controls the primary side voltage of the transformer by controlling the state of the switching tube.
  • the middle is the voltage stabilizing unit, and the output voltage is adjusted within the range.
  • the right side is the secondary side of the transformer to charge the battery and the LED circuit responsible for indicating the voltage state.
  • the rectifier circuit the hand-cranked generator generates unstable electric energy after the work is done, and the solar panel receives the light, and must be rectified to become a voltage-stabilized direct current.
  • a three-phase uncontrolled rectifier bridge circuit consisting of six diodes is used to rectify the input power into a voltage stabilized direct current.
  • DC side overvoltage protection before entering the three-phase rectifier bridge Add three sets of fuses on the road.
  • the three-phase uncontrolled rectifier bridge is a whole module, the AC side has three wiring ports, and the other module external power supply of the present invention, that is, the single-phase AC power supply module, is connected to two of the three-phase uncontrolled rectifier bridges. Rectification is possible.
  • the filter circuit converts the electric energy into single-phase direct current after rectification. Considering that the charging power of the charging is small, the capacitor C1 is used for filtering in the circuit.
  • the voltage regulating circuit and the voltage regulating circuit adopt a single-ended flyback converter to achieve voltage stabilization during the voltage regulation process.
  • the core of the high frequency transformer operates only on one side of the hysteresis loop (ie, the first quadrant).
  • the function of the different name is to realize the magnetic reset of the internal coil of the transformer after the end of one cycle.
  • the specific process of the circuit diagram of this module is: when the high voltage switch Q1 is excited by the square wave pulse, the input voltage is applied to the high frequency transformer.
  • the converter stores only energy during the conduction of the high-voltage switch tube, and transfers power to the battery during the cut-off period.
  • the high-frequency transformer is both a transformer and an energy storage inductor during operation.
  • the output end is a low-pass filter consisting of an inductor L1 and two C3 capacitors.
  • the primary side of the transformer is provided with an RCD leakage inductance spike absorbing circuit composed of R2, C2 and D1.
  • this circuit diagram adds a square wave pulse width or frequency regulator.
  • the function of the indicator light is added, and two light-emitting diodes D3 and D4 are arranged in the circuit.
  • D3 is the charging indicator
  • D4 is the charging full indicator
  • the two lights are set to different colors to distinguish
  • the specific circuit process is: when charging the battery, D3 is in the on state, the illumination indication is charging.
  • the reference voltage at the inverting input of operational amplifier U can be adjusted through resistor R7 and fed back via R5.
  • the operational amplifier U By comparing with the voltage to the input terminal, if the voltage of the non-inverting input terminal of the arithmetic discharger U is greater than the voltage of the inverting input terminal thereof, the operational amplifier U outputs a high level, and at this time, the light-emitting diode D4 will be lit, indicating that the battery is fully charged; If the voltage of the non-inverting input terminal of the arithmetic discharger U is lower than the voltage of its inverting input terminal, the operational amplifier U outputs a low level, and at this time, the light-emitting diode D4 is not lit.
  • the invention is provided with a solar panel, a hand-cranked charging, an external power supply charging, and a charging and discharging battery inside, and a multi-cell battery slot is reserved, which is suitable for charging a plurality of batteries, is convenient to use, and satisfies various outdoor conditions.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

一种便携式多功能户外电源，是将装置主体设置为箱体（1），箱体（1）内设为四层，第一层为固定层设有太阳能电池板，第二层为抽拉式太阳能电池板（4），箱体（1）第三层设为抽屉式充电区域，充电区域的抽屉内壁设有两个充电模块，分别为五孔插座（5）及多接口充电器（6），两个充电模块与蓄电池组（10）的输出端相接；箱体（1）第四层设有蓄电池组（10）以及与蓄电池组（10）连接的控制装置（11），控制装置（11）由整流、滤波、稳压、控制以及反馈电路组成；在箱体（1）内设有由转动手柄（7）驱动的微型发电机（8），箱体（1）外侧壁还设有220V交流外接电源输入接口（9），所述外接电源输入接口（9）、太阳能电池板（4）的输出端以及微型发电机（8）的输出端均与所述控制装置（11）相连。该装置能够增强电子设备的续航能力。

Description

便携式多功能户外电源 技术领域：
本发明涉及一种便携式多功能户外电源。
背景技术：
近来，随着国家电网公司状态检修工作的进行，对设备的巡视检查要求加大，红外测温、局方试验、绝缘电阻、回路电阻等测试更加的频繁，这就要求电子设备的续航能力更加可靠。然而，电力工作大都在户外进行，时间空间跨度大，往往会面临着电子设备没有电的情况，常常工作时需要携带多块电池或者插线盘，十分的不便。
发明内容：
为克服现有技术的缺陷，本发明的目的在于提供一种便携式多功能户外电源，是一种拥有外接交流电源、太阳能供电、手摇供电三种供电方式的充电装置，能满足各类情况，增强电子设备的续航能力，此外，该装置还能够解决户外旅游时手机、相机等各类电子器件电量不足问题。
本发明解决技术问题采用如下技术方案：
便携式多功能户外电源，是将装置主体设置为箱体，在箱体底部设有棘轮式万向脚轮，箱体外部设有伸缩式拉杆；
所述箱体内设为四层，第一层为固定层，第二层为抽拉式太阳能电池板，所述固定层及箱体的箱盖内壁均设有太阳能电池板，箱体第三层设为抽屉式充电区域，所述充电区域的抽屉内壁设有两个充电模块，分别为五孔插座及多接口充电器，所述两个充电模块与蓄电池组的输出端相接；箱体第四层设有蓄电池组以及与蓄电池组连接的控制装置，所述控制装置由整流、滤波、稳压、控制以及反馈电路组成；
箱体外侧部设有转动手柄，转动手柄的转轴与箱体壁转动连接，在箱体内设有由所述转动手柄驱动的微型发电机，箱体外侧壁还设有220V交流外接电源输入接口，所述外接电源输入接口、太阳能电池板的输出端以及微型发动机的输出端均与所述控制装置相连。
所述箱体外壁还设置有由控制装置控制的电量显示装置以及启停开关，电量显示装置显示蓄电池组的电量，蓄电池组充满时或者连接在充电模块上的电器件充满时启停开关断开充电电路。
所述箱盖顶面设有用于搬运箱体的手提握把，箱盖的侧壁设有扣环用于将箱盖锁紧在箱体上。
在所述两个充电模块上方均设置了由控制装置控制的三个指示灯，包括TEST检测灯、CH充电灯、OK充电饱和指示灯。
与已有技术相比，本发明的有益效果体现在：
本发明综合了用于外接电源在内的三种充电方式，能适用户外现场作业时各种复杂的环境条件，可靠性高，大力提高了需要充电仪表的续航能力。
本充电装置综合考虑到各类电子设备充电接口的差异，设计了各类的充电接口(多接口充电器)，现场工作时未携带充电数据线也能完成充电。
本充电装置考虑到不同地区经纬度不同，设置太阳能电池板最优倾斜角，实现发电效率的最大化。
本充电装置考虑到了各类复杂路况，下方设置万向轮，装置后壁设置伸缩式拉杆；装置上方设置手提握把，装置采用高强度绝缘轻质材料组成，主体重量可控制。
附图说明：
图1为便携式多功能户外电源装置结构示意图，图2为便携式多功能户外电源装置结构示意图(展开太阳能电池板)，图3为便携式多功能户外电源装置第三层结构示意图，图4为便携式多功能户外电源装置充放电流程图，图5为充放电电路原理图。
图中标号：1箱体，2万向脚轮，3伸缩式拉杆，4太阳能电池板，5五孔插座，6多接口充电器，7转动手柄，8微型发电机，9外接电源输入接口，10蓄电池组，11控制装置，12启停开关，13电量显示装置，14手提握把，15扣环，16为TEST检测灯，17为CH充电灯，18充电饱和指示灯。
以下通过具体实施方式，并结合附图对本发明作进一步说明。
具体实施方式：
实施例：结合图1-3，本实施例的便携式多功能户外电源，是将装置主体设置为箱体1，在箱体底部设有棘轮式万向脚轮2，可以不同角度拖动充放电装置，箱体外部设有伸缩式拉杆3，拉杆压缩后，可以扣在装置箱壁上，其中拉杆和转动手柄手握部分均加有软护套，箱盖顶面设有用于搬运箱体的手提握把14，遇到复杂路况可以通过手提方式通过。箱盖的侧壁设有扣环15用于将箱盖锁紧在箱体上。
箱体内设为四层，第一层为固定层，第二层为抽拉式太阳能电池板4，固定层及箱体的箱盖内壁均设有太阳能电池板，箱体第三层设为抽屉式充电区域，在充电区域的抽屉内壁设有两个充电模块，分别为五孔插座5及多接口充电器6，两个充电模块与蓄电池组的输出端相接；箱体第四层设有蓄电池组10以及与蓄电池组连接的控制装置11，控制装置由整流、滤波、稳压、控制以及反馈电路组成；具体设置中，在箱体的两内侧壁设有滑轨，并在抽屉的前端设有抽屉拉手，使得抽屉抽拉轻松，蓄电池组采用可重复充放电的镍锡电池，整个装置所采用的材料为高强度轻质量的绝缘材料。
箱体外侧部设有转动手柄7，转动手柄的转轴与箱体壁转动连接，在箱体内设有由转动手柄驱动的微型发电机8，箱体外侧壁还设有220V交流外接电源输入接口9，外接电源输入接口9、太阳能电池板的输出端以及微型发动机的输出端均与控制装置相连。
在箱体外壁还设置有由控制装置控制的电量显示装置13以及启停开关12，电量显示装置显示蓄电池组的电量，蓄电池组充满时或者连接在充电模块上的电器件充满时启停开关断开充电电路。两个充电模块上方均设置了由控制装置控制的三个指示灯，包括TEST检测灯16、CH充电灯17、OK充电饱和指示灯18，建议三个指示灯颜色分为黄绿红三种颜色。由于在充电区域的抽屉内设有多接口充电器6，无需携带仪器本身的充电数据线，充电时按照接口规格对接充电即可。
具体应用中，装置箱盖可以完全打开，箱盖内壁是太阳能电池板结构，在户外有阳光条件下，可以拉开抽屉，打开箱盖，展开太阳能电池板，利用太阳能电池板充电，将太阳能转化为电能输出。建议参考不同地区的经纬度信息，太阳能电池板设置成与水平30°夹角，按照最大光照、温度的要求，满足最大功率工作，实现发电效率的最大化。电能贮存在蓄电池组中；在阴暗环境中将太阳能电池板推回装置，利用侧边手摇式充电装置充电。
根据设备负荷大小，选择一定规格的太阳能电池板，电池板材料优选为单晶硅；选择合适的角度，提供最大发电效率；微型发电机和转动手柄配套使用，优选能产生能满足输出负载负荷的功率和相应转速的微型发电机，额定电流、输出电压不小于待充电设备要求的参数值。蓄电池模块设计成多格型，每一格内蓄电池选择合适的电压电流，电池组之间用绝缘石棉或者是绝缘板隔离，可根据实际负载的情况增加蓄电池组。
结合图4，本发明电源装置充放电流程图，主要包括了整流、滤波、调压、控制以及反馈电路几个环节。图5所示为本发明装置的电路原理图，不稳定电能经过不控整流为较稳定的直流，再经过方波宽度或频率控制控制为交流，通过变压器输出，输出侧经过boost电路升压输出给负载。具体实施电路有多种，下面结合具体附图和其中一种实施电路对本发明做进一步说明。
如图5所示：为了能够方便的对需要充电的负载进行充电，本发明采用了三种充电方式输出电能。电路左侧为通过控制开关管的状态控制变压器的原边电压，中间是稳压单元，调节输出电压在范围内，右侧是变压器的副边给蓄电池充电和负责指示电压状态的发光二极管回路。
整流电路，手摇发电机经过做功、太阳能电池板接受光照后均产生不稳定的电能，必须经过整流才能变成电压稳定的直流电。采用由六个二极管组成的三相不控整流桥电路将输入的电整流成为电压稳定的直流电。考虑到直流侧过电压保护，在进入三相整流桥前电 路上添加三组熔断器。考虑到三相不控整流桥是一个整的模块，交流侧有三个接线端口，将本发明的另一模块外接电源即单相交流电源模块接到三相不控整流桥其中两个接线端口，即可实现整流。
滤波电路，经过整流后电能变成单相直流电，考虑到充电的负载功率较小，电路中采用电容器C1进行滤波。
调压电路，调压电路采用的是单端反激式变换器，调压过程中实现稳压的效果。高频变压器的磁心仅工作在磁滞回线的一侧(即第一象限)。异名端的作用是可以实现变压器内部线圈在一个周期结束后实现磁复位，本模块电路图具体过程为：当高压开关管Q1被方波脉冲激励而导通时，输入电压便施加到高频变压器的原边绕组Np上，由于变压器T副边整流二极管D2反接，副边绕组Ns没有电流流过：当开关管Q1关断时，副边绕组Ns上电压极性颠倒，整流二极管D1被正偏，开关管导通期间储存在变压器中的能量便通过整流二极管D2向蓄电池释放。这种变换器在高压开关管导通期间只存储能量，在截止期间才向蓄电池传递电能，高频变压器在工作过程中既是变压器又相当于一个储能用电感。输出端加由电感器L1和两C3电容组成的一个低通滤波器，变压器原边设置R2，C2和D1组成的RCD漏感尖峰吸收电路。
控制以及反馈电路，为了解决电流不稳定的问题，本电路图加入了方波脉宽或者频率调节器。此外，在基本电路图的基础上，增加了指示灯的功能，电路中设置两个发光二级管D3、D4。D3为正在充电指示灯，D4为充电已满指示灯，两种灯设置不同颜色以便区分，具体电路过程为：当给蓄电池充电时，D3处于导通状态，发光指示正在充电。运算放大器U的反相输入端的基准电压通过电阻R7可以调节，经R5输出反馈。通过与通向输入端的电压进行比较，如果运算放电器U的同相输入端电压大于其反相输入端的电压，运算放大器U输出高电平，此时，发光二极管D4会点亮，提示充满电；如果运算放电器U的同相输入端电压低于其反相输入端的电压，运算放大器U输出低电平，此时，发光二极管D4不亮。
本发明设有太阳能电池板、手摇充电、外接电源充电以及在内部设有充放电电池，且留有多格电池槽，适合给多种蓄电池充电，使用方便，满足各种户外条件。

Claims (4)

  1. 便携式多功能户外电源，其特征是将装置主体设置为箱体(1)，在箱体底部设有棘轮式万向脚轮(2)，箱体外部设有伸缩式拉杆(3)；
    所述箱体内设为四层，第一层为固定层，第二层为抽拉式太阳能电池板(4)，所述固定层及箱体的箱盖内壁均设有太阳能电池板，箱体第三层设为抽屉式充电区域，所述充电区域的抽屉内壁设有两个充电模块，分别为五孔插座(5)及多接口充电器(6)，所述两个充电模块与蓄电池组的输出端相接；箱体第四层设有蓄电池组(10)以及与蓄电池组连接的控制装置(11)，所述控制装置由整流、滤波、稳压、控制以及反馈电路组成；
    箱体外侧部设有转动手柄(7)，转动手柄的转轴与箱体壁转动连接，在箱体内设有由所述转动手柄驱动的微型发电机(8)，箱体外侧壁还设有220V交流外接电源输入接口(9)，所述外接电源输入接口(9)、太阳能电池板的输出端以及微型发动机的输出端均与所述控制装置相连。
  2. 根据权利要求1所述的便携式多功能户外电源，其特征在于，所述箱体外壁还设置有由控制装置控制的电量显示装置(13)以及启停开关(12)，电量显示装置显示蓄电池组的电量，蓄电池组充满时或者连接在充电模块上的电器件充满时启停开关断开充电电路。
  3. 根据权利要求1所述的便携式多功能户外电源，其特征在于，所述箱盖顶面设有用于搬运箱体的手提握把(14)，箱盖的侧壁设有扣环(15)用于将箱盖锁紧在箱体上。
  4. 根据权利要求1所述的便携式多功能户外电源，其特征在于，在所述两个充电模块上方均设置了由控制装置控制的三个指示灯，包括TEST检测灯(16)、CH充电灯(17)、OK充电饱和指示灯(18)。
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