CN107681647A - Cell anti-reverse connects circuit and the emergent convenient system of solar energy and method - Google Patents

Cell anti-reverse connects circuit and the emergent convenient system of solar energy and method Download PDF

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Publication number
CN107681647A
CN107681647A CN201610621695.4A CN201610621695A CN107681647A CN 107681647 A CN107681647 A CN 107681647A CN 201610621695 A CN201610621695 A CN 201610621695A CN 107681647 A CN107681647 A CN 107681647A
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CN
China
Prior art keywords
battery
power amplifier
reverse
output
pin
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.)
Pending
Application number
CN201610621695.4A
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Chinese (zh)
Inventor
刘卫华
惠红林
杜晓菲
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Shenzhen Yingli New Energy Resources Co Ltd
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Shenzhen Yingli New Energy Resources Co 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
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Application filed by Shenzhen Yingli New Energy Resources Co Ltd filed Critical Shenzhen Yingli New Energy Resources Co Ltd
Priority to CN201610621695.4A priority Critical patent/CN107681647A/en
Publication of CN107681647A publication Critical patent/CN107681647A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H11/00Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
    • H02H11/002Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of inverted polarity or connection; with switching for obtaining correct connection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells

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

Abstract

Connecing circuit and the emergent portable system of solar energy and method, the circuit the present invention relates to cell anti-reverse includes the anti-reverse diode and power amplifier being connected with battery;The output end of anti-reverse diode and the control pin of power amplifier are connected, and the output pin of power amplifier is connected with battery, and the input pin of the output pin of power amplifier and power amplifier is grounded, and the control pin of power amplifier is grounded by the first current-limiting resistance.The present invention is by setting anti-reverse diode and three power amplifiers for holding pin to be grounded, the output end of anti-reverse diode and the control pin of power amplifier are connected, and the output pin of power amplifier is connected with battery, when battery just connects, power amplifier turns on, and battery is switched on rear product electric;During battery reversal connection, power amplifier is reverse-biased/and no-bias ended, and the loop of battery is cut off, and the not upper electricity of product, reaches anti-reverse effect, and reaction is quick, has obvious advantage to the counnter attack of battery access, increases substantially the service efficiency of product.

Description

Cell anti-reverse connects circuit and the emergent convenient system of solar energy and method
Technical field
The present invention relates to reverse-connection preventing circuit, more specifically refers to that cell anti-reverse connects circuit and including the reverse-connection preventing circuit The emergent convenient system of solar energy and method.
Background technology
Solar energy is a kind of inexhaustible new energy, is the most abundant regenerative resource of resource.Solar energy The development of photovoltaic power generation technology is that the mankind solve one of global energy crisis Main way;Solar power generation will not give air band To pollute, ecology is not destroyed, is a kind of cleaning green energy resource.The warning of several great nuclear accident in the world, make countries in the world political affairs Energetically releasing a series of utilization solar energy and the incentive policy and regulation of other novel renewable energies in mansion;Entirely The trend of fast development is being presented in the investment of the new energy fields such as photovoltaic generation for ball, and the industry has become the hot topic of investment Field;China has become the production capacity big country of solar energy power generating module at present, is in market development and application development Critical stage, therefore independent development patented technology, there is important society to new energy technologies such as development China's photovoltaic generation industries And economic implications.
In the product of traditional solar portable product or other charged pools, to prevent battery is reversed from causing damage of product, Generally it can generally be worked in the environment of low current work in positive pole one counnter attack diode of series connection of battery, this design, but , can be very big by the electric current of diode in the case that product operating current is bigger, cause the power consumption of diode very high, make production The whole efficiency of product is very low, and the selection of counnter attack diode will be extremely difficult.
Chinese patent 201210053509.3 discloses a kind of solar cell active reverse connection prevention and protection circuit.Available for dropping Pressure type solar cell electricity generation system.The circuit is by DC-DC change-over circuits, voltage protection circuit, current foldback circuit, driving electricity Road and gate circuit, access protection circuit and control circuit form.Sun electricity can be realized simultaneously applied to solar power system The protection of pond access reverse polarity connection, solar cell output current excessively stream and load short circuits protection, rear end energy storage battery is avoided to pass through Solar cell back discharge is protected.Circuit proposed by the present invention can substitute the high-power counnter attack of traditional solar cell electricity generation system Diode is connect, effectively improves the efficiency of solar power system.
In above-mentioned patent, using voltage signal acquisition and the contrast of the 3rd comparator judge its whether reversal connection, then by judging As a result safeguard measure is made, such reaction time is slower.
Therefore, it is necessary to which designing a kind of cell anti-reverse connects circuit, realize that the reaction time is fast, the counnter attack accessed to battery has bright Aobvious advantage, the service efficiency of product is greatly improved.
The content of the invention
The defects of it is an object of the invention to overcome prior art, there is provided it is convenient that cell anti-reverse connects circuit and solar energy is met an urgent need System and method.
To achieve the above object, the present invention uses following technical scheme:Cell anti-reverse connects circuit, including be connected with battery Anti-reverse diode and power amplifier;The output end of the anti-reverse diode connects with the control pin of the power amplifier Connect, the output pin of the power amplifier is connected with the battery, and the output pin of the power amplifier and the power The input pin ground connection of amplifier, the control pin of the power amplifier are grounded by the first current-limiting resistance.
Its further technical scheme is:The cell anti-reverse, which connects circuit, also includes clamp diode, the clamp diode Plus earth, the negative pole of the clamp diode is connected with the control pin of the power amplifier.
Its further technical scheme is:It is connected between the anti-reverse diode and the control pin of the power amplifier Second current-limiting resistance.
Its further technical scheme is:The output pin of the power amplifier is grounded by the 3rd current-limiting resistance.
Its further technical scheme is:The battery is also associated with first resistor and second resistance, the first resistor One end connected with one end of the second resistance, the other end of the first resistor is connected with the battery, it is described second electricity The other end ground connection of resistance, the second resistance are parallel with the first electric capacity, and first electric capacity and the second resistance connect respectively It is connected to battery digital control module.
Met an urgent need convenient system present invention also offers solar energy, including above-mentioned cell anti-reverse connects circuit, controller, temperature Detection probe, DC-DC converting units, DC charging unit, exchange output unit and LCD display, the battery numeral control Molding block, temperature measuring probe, DC-DC converting units, DC charging unit, exchange output unit and LCD display difference It is connected with the controller.
Its further technical scheme is:The DC-DC converting units include the control pipe, DC-DC circuit, DC being sequentially connected Output module and current sample module, the current sample module and the control pipe are connected with the controller.
Its further technical scheme is:The DC charging unit includes charging module, input metering module and the electricity The switching tube and communicator of pond connection, the charging module are connected with input metering module, the input metering module difference It is connected with the communicator and the switching tube, the switching tube and the communicator are connected with the controller respectively.
Its further technical scheme is:The exchange output unit includes the relay, inverter, output meter being sequentially connected Module and output metering power supply are measured, the relay and the output metering module are connected with the controller respectively.
Met an urgent need present invention also offers solar energy the control method of convenient system, including step in detail below:
It is connected Step 1: battery is connect into circuit with cell anti-reverse, when battery plus-negative plate connection is correct, product is powered and beaten Open, after product polarity is anti-, product is obstructed to be electrically turn off;
Step 2: the voltage of battery is converted into 5V/12V/20V voltages by DC-DC converting units, and export, defeated Band over-current detection circuit while going out, when load current exceedes setting value, product shut-off is exported, and excessively stream error message is sent To controller, shown by controller control LCD display;
Step 3: when needing to charge to battery, controller driving charging module charges to battery, is simultaneously Input metering module and power supply is provided, after input metering module is by sampling charging voltage, charging current, charge capacity, and will fill Piezoelectric voltage, charging current, the charge parameter of charge capacity send to controller, controller driving LCD display and shown.
Compared with the prior art, the invention has the advantages that:The cell anti-reverse of the present invention connects circuit, by setting counnter attack Connect the power amplifier that diode and three end pin are grounded, the output end of anti-reverse diode and the control of power amplifier Pin is connected, and the output pin of power amplifier is connected with battery, when battery just connects, power amplifier conducting, after battery is switched on It is electric on product;When battery reversal connection, power amplifier is reverse-biased/no-bias ended, and the loop of battery is cut off, product not on Electricity, reach anti-reverse effect, reaction is quick, has obvious advantage to the counnter attack of battery access, product is greatly improved Service efficiency.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the circuit block diagram that the cell anti-reverse that the specific embodiment of the invention provides connects circuit;
Fig. 2 is the structured flowchart for the emergent convenient system of solar energy that the specific embodiment of the invention provides.
Reference
The controller of 10 battery 1
20 cell anti-reverses connect the reverse-connection preventing circuit of circuit 20
The external power supply module of 31 solar recharging module 32
The 33 input metering communicators of power supply 34
The 35 input switching tubes of metering module 36
The button of 40 LCD display 50
The temperature measuring probe of 60 buzzer 70
The DC-DC circuit of 81 control pipe 82
The current sample module of 83 DC output modules 84
The inverter of 91 relay 92
The 93 output output metering power supplys of metering module 94
The electric capacity of the first electric capacity of C22 C4, C5, C6, C7 second
The anti-reverse diode Q10 power amplifiers of D9
The current-limiting resistances of the second current-limiting resistances of R37 R38 the 3rd
R40 the first current-limiting resistance R41 first resistors
R42 second resistance ZD1 clamp diodes
Embodiment
In order to more fully understand the technology contents of the present invention, technical scheme is entered with reference to specific embodiment One step introduction and explanation, but it is not limited to this.
Specific embodiment as shown in Fig. 1~2, the cell anti-reverse that the present embodiment provides, which connects circuit 20, can be used in the sun It can meet an urgent need in convenient system, realize that the reaction time is fast, the counnter attack accessed to battery 10 has obvious advantage, and production is greatly improved The service efficiency of product, or, it can also be used in other products with battery 10.
Cell anti-reverse connects circuit 20, including anti-reverse the diode D9 and power amplifier Q10 being connected with battery 10;Institute The output end for stating anti-reverse diode D9 is connected with the control pin of the power amplifier Q10, and the power amplifier Q10's is defeated Go out pin to be connected with the battery 10, and the output pin of the power amplifier Q10 and the power amplifier Q10 input pin Ground connection, the control pin of the power amplifier Q10 are grounded by the first current-limiting resistance R40.
When the both positive and negative polarity connection of battery 10 is correct, the output pin of the power amplifier Q10 is negative with the battery 10 Pole is connected, and anti-reverse diode D9 is connected with the positive pole of battery 10, after the positive pole of battery 10 takes over control reversal connection diode D9, is produced inclined Pressure, voltage is added in power amplifier Q10 control pin, turns on power amplifier Q10, and the negative pole of battery 10 is equivalent to passing through power Ground is directly arrived in amplifier Q10 internal resistance, and battery 10 is switched on rear product electric, and load is opened, electric current by battery 10 positive cascade The positive pole of load, the negative pole ground connection of load are connect, then loop is formed by the negative pole of power amplifier Q10 and battery 10.
Because power amplifier Q10 power consumption is relevant with conducting internal resistance, power amplifier Q10 conducting internal resistance typically exists Below 10mR (can be specifically chosen), makes the counnter attack power consumption of product will be very low, can be neglected.
When the both positive and negative polarity malunion of battery 10 is true be battery 10 both positive and negative polarity connection it is anti-, the positive pole connection work(of battery 10 It is grounded after rate amplifier Q10 input pin, because power amplifier Q10 control pin connects with the first current-limiting resistance R40, electric current Inputted from power amplifier Q10 input pin, while power amplifier Q10 control is flowed into after the first current-limiting resistance R40 Pin, power amplifier Q10 is reverse-biased/and no-bias ended, and the loop of battery 10 is cut off, the not upper electricity of product.
Above-mentioned cell anti-reverse connects circuit 20, by setting anti-reverse diode D9 and three power for holding pin to be grounded Amplifier Q10, anti-reverse diode D9 output end are connected with power amplifier Q10 control pin, and power amplifier Q10's is defeated Go out pin to be connected with battery 10, when battery 10 just connects, power amplifier Q10 conductings, battery 10 is switched on rear product electric;Work as electricity During 10 reversal connection of pond, power amplifier Q10 is reverse-biased/and no-bias ended, and the loop of battery 10 is cut off, and the not upper electricity of product, is reached Anti-reverse effect, reaction is quick, and the counnter attack accessed to battery 10 has obvious advantage, and the use effect of product is greatly improved Rate.
Further, the cell anti-reverse, which connects circuit 20, also includes clamp diode ZD1, the clamp diode ZD1 Plus earth, the negative pole of the clamp diode ZD1 is connected with power amplifier Q10 control pin, so, when battery 10 When both positive and negative polarity connection is correct, the positive pole of battery 10 produces bias, when the voltage of battery 10 is less than 18V, biases as the voltage of battery 10, works as electricity The voltage of pond 10 carries out clamper, voltage is fixed as into 18V, this voltage is added in power amplifier Q10 more than 18V, clamp diode ZD1 Control pin, make power amplifier Q10 turn on.
In addition, it is connected with the second current-limiting resistance between the control pin of the anti-reverse diode D9 and power amplifier Q10 R37, second current-limiting resistance R37 can prevent the overtension of battery 10, cause clamp diode ZD1 to damage, and work as battery When 10 both positive and negative polarity connection is correct, the positive pole of battery 10 produces bias by anti-reverse diode D9 and the second current-limiting resistance R37.
The output pin of the power amplifier Q10 is grounded by the 3rd current-limiting resistance R38, when the both positive and negative polarity of battery 10 connects When incorrect (both positive and negative polarity connection anti-), input that the positive pole of battery 10 passes through the 3rd current-limiting resistance R38 to power amplifier Q10 Pin, then the control pin by the first current-limiting resistance R40 to power amplifier Q10, power amplifier Q10 is reverse-biased/and no-bias cut Only, the loop of battery 10 is cut off, the not upper electricity of product.
In addition, in the present embodiment, the battery 10 is also associated with first resistor R41 and second resistance R42, described One resistance R41 one end is connected with second resistance R42 one end, and the other end of the first resistor R41 is connected with battery 10, institute State second resistance R42 the other end ground connection, the second resistance R42 be parallel with the first electric capacity C22, the first electric capacity C22 with And the second resistance R42 is connected to battery digital control module.
In the present embodiment, the anti-reverse diode D9 is also associated with several second electric capacity C4, C5, C6, C7, described Second electric capacity C4, C5, C6, C7 other end ground connection.
The present embodiment additionally provides the emergent convenient system of solar energy, including above-mentioned cell anti-reverse connects circuit 20, controller 1st, temperature measuring probe 70, DC-DC converting units, DC charging unit, exchange output unit and LCD display 40, it is described Battery digital control module, temperature measuring probe 70, DC-DC converting units, DC charging unit, exchange output unit and LCD display 40 is connected with controller 1 respectively.
Charge control, output overcurrent, the temperature protection of product are controlled by controller 1, especially to the side such as power consumption of product The control in face has strict control, and Product Status monitoring, product power consumption and the intelligent control, output to traditional portable system are protected The lifting of the overall performances of product such as shield, can be obviously improved to the overall circuit performance in solar portable product, extend The service life and reply rugged environment of product influence.
Further, the DC-DC converting units include control pipe 81, DC-DC circuit 82, the DC output being sequentially connected Module 83 and current sample module 84, the current sample module 84 and the control pipe 81 are connected with controller 1, by electricity The voltage conversion in pond 10 exports the circuit with over-current detection into 5V/12V/20V voltages, when load current exceedes setting value, produces Product shut-off output, and excessively stream error message is sent to LCD display 40.
In the present embodiment, the DC charging unit include charging module, input metering module 35, switching tube 36 and Communicator 34, charging module with input metering module 35 be connected, it is described input metering module 35 respectively with communicator 34 and switch Pipe 36 connects, and the switching tube 36 is connected with battery 10, and the switching tube 36 and communicator 34 connect with the controller 1 respectively Connect.
Further, the charging module includes solar recharging module 31, external power supply module 32 and input meter At least one of power supply 33 is measured, the portable system supports solar recharging module 31 and external power supply module 32 to charge simultaneously, and Charge parameter real-time display, wherein, charging display parameters are charging voltage, charging current, charge capacity.Wherein, input metering Module 35 carries out sampling charging voltage, charging current, charge capacity, then conveys data to controller 1, and controller 1 is changed For displayable information, shown by LCD display 40.
In addition, it is described exchange output unit include be sequentially connected relay 91, inverter 92, output metering module 93 with And output metering power supply 94, the relay 91 and the output metering module 93 are connected with controller 1 respectively, the control Device 1 is by control relay 91, and to control the DC terminal of inverter 92, inverter 92 is opened, and inverter 92 produces after opening 220V/50HZ alternating voltage, the power supply of metering module 93 is exported by being provided after the 220V/50HZ resistance-capacitance depressurizations of inverter 92, when Export on metering module 93 after electricity, output voltage, power output, the output information about power of inverter 92 are sent to LCD display 40 Display.
In the present embodiment, above-mentioned LCD display 40 is used for the information for showing whole product, this band of LCD display 40 LCD driving chips, controller 1 are connected by driving chip interface, and 40 displayable information of LCD display is DC charging electricity Pressure, DC charging current, DC charging electricity, the voltage of battery 10, charged state, alternating voltage, AC power, ac electric, Temperature, direct current output state, exchange output state, direct current output error condition.
The emergent convenient system of the solar energy also includes button 50, and the button 50 is connected with the controller 1, for controlling The action of whole product is made, such as system switching, dc switch, alternating-current switch, temperature switching switch, charge capacity/direct-current discharge Electricity clear switch, switchboard are connected by interface and main control chip.
The emergent convenient system of the solar energy also includes buzzer 60, and the buzzer 60 is connected with the controller 1, should Buzzer 60 is the operation of button 50 is prompted, failure provides alarm.
Met an urgent need present invention also offers solar energy the control method of convenient system, including step in detail below:
It is connected Step 1: battery 10 is connect into circuit 20 with cell anti-reverse, when the connection of the both positive and negative polarity of battery 10 is correct, product leads to Electricity is opened, and after product polarity is anti-, product is obstructed to be electrically turn off;
Step 2: the voltage of battery 10 is converted into 5V/12V/20V voltages by DC-DC converting units, and export, Band over-current detection circuit while output, when load current exceedes setting value, product shut-off is exported, and excessively stream error message is sent out Controller 1 is delivered to, controls LCD display 40 to show by controller 1;
Step 3: when needing to charge to battery 10, controller 1 drives charging module to charge battery 10, Power supply is provided for input metering module 35 simultaneously, input metering module 35 is by sampling charging voltage, charging current, charge capacity Afterwards, and by the charge parameter of charging voltage, charging current, charge capacity send to controller 1, the driving LCD display of controller 1 40 displays.
In the step 2, when needing photovoltaic conversion into exchange electricity output, control that controller 1 passes through relay 91 System, to control the DC terminal of inverter 92, inverter 92 is opened, and inverter 92 produces 220V/50HZ alternating current after opening Pressure, the power supply of metering module 93 is exported by being provided after the 220V/50HZ resistance-capacitance depressurizations of inverter 92, when on output metering module 93 After electricity, the output voltage, power output, the output information about power that sample inverter 92 are sent to controller 1, are controlled by controller 1 LCD display 40 is shown.
Also pass through sample temperature detection probe 70 using the detection temperature of temperature measuring probe 70 in the step 1 On voltage, the voltage of sampling is sent to controller 1, actual temperature value is converted to by R-T charts, and drive LCD Display 40 shows actual temperature in chassis.
The above-mentioned technology contents that the present invention is only further illustrated with embodiment, in order to which reader is easier to understand, but not Represent embodiments of the present invention and be only limitted to this, any technology done according to the present invention extends or recreation, by the present invention's Protection.Protection scope of the present invention is defined by claims.

Claims (10)

1. cell anti-reverse connects circuit, it is characterised in that including the anti-reverse diode and power amplifier being connected with battery;Institute State the output end of anti-reverse diode to be connected with the control pin of the power amplifier, the output pin of the power amplifier and institute Battery connection is stated, and the input pin of the output pin of the power amplifier and the power amplifier is grounded, the power is put The control pin of big device is grounded by the first current-limiting resistance.
2. cell anti-reverse according to claim 1 connects circuit, it is characterised in that the cell anti-reverse, which connects circuit, also includes pincers Position diode, the plus earth of the clamp diode, the control of the negative pole of the clamp diode and the power amplifier Pin connects.
3. cell anti-reverse according to claim 1 connects circuit, it is characterised in that the anti-reverse diode and the power The second current-limiting resistance is connected between the control pin of amplifier.
4. cell anti-reverse according to claim 1 connects circuit, it is characterised in that the output pin of the power amplifier passes through 3rd current-limiting resistance is grounded.
5. cell anti-reverse according to claim 1 connects circuit, it is characterised in that the battery be also associated with first resistor with And second resistance, one end of the first resistor are connected with one end of the second resistance, the other end of the first resistor with The battery connection, the other end ground connection of the second resistance, the second resistance are parallel with the first electric capacity, first electric capacity And the second resistance is connected to battery digital control module.
The convenient system 6. solar energy is met an urgent need, it is characterised in that connect electricity including the cell anti-reverse described in any one of claim 1 to 5 Road, controller, temperature measuring probe, DC-DC converting units, DC charging unit, exchange output unit and LCD display, The battery digital control module, temperature measuring probe, DC-DC converting units, DC charging unit, exchange output unit and LCD display is connected with the controller respectively.
The convenient system 7. solar energy according to claim 6 is met an urgent need, it is characterised in that the DC-DC converting units include Control pipe, DC-DC circuit, DC output modules and the current sample module being sequentially connected, the current sample module and institute Control pipe is stated to be connected with the controller.
The convenient system 8. solar energy according to claim 6 is met an urgent need, it is characterised in that the DC charging unit includes filling Electric module, input metering module, the switching tube and communicator that are connected with the battery, the charging module and input metering mould Block connect, it is described input metering module be connected respectively with the communicator and the switching tube, the switching tube and it is described lead to News device is connected with the controller respectively.
The convenient system 9. solar energy according to claim 6 is met an urgent need, it is characterised in that it is described exchange output unit include according to Relay, inverter, output metering module and the output metering power supply of secondary connection, the relay and the output metering Module is connected with the controller respectively.
The control method of convenient system 10. solar energy is met an urgent need, it is characterised in that including step in detail below:
It is connected Step 1: battery is connect into circuit with cell anti-reverse, when battery plus-negative plate connection is correct, product, which is powered, to be opened, when After product polarity is anti-, product is obstructed to be electrically turn off;
Step 2: the voltage of battery is converted into 5V/12V/20V voltages by DC-DC converting units, and export, in output Simultaneously with over-current detection circuit, when load current exceedes setting value, product shut-off is exported, and excessively stream error message is sent to control Device processed, shown by controller control LCD display;
Step 3: when needing to charge to battery, controller driving charging module charges to battery, while is input Metering module provides power supply, after input metering module is by sampling charging voltage, charging current, charge capacity, and will charging electricity Pressure, charging current, the charge parameter of charge capacity send to controller, controller driving LCD display and shown.
CN201610621695.4A 2016-08-01 2016-08-01 Cell anti-reverse connects circuit and the emergent convenient system of solar energy and method Pending CN107681647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610621695.4A CN107681647A (en) 2016-08-01 2016-08-01 Cell anti-reverse connects circuit and the emergent convenient system of solar energy and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610621695.4A CN107681647A (en) 2016-08-01 2016-08-01 Cell anti-reverse connects circuit and the emergent convenient system of solar energy and method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108521166A (en) * 2018-04-23 2018-09-11 西南大学 A kind of MPPT charging systems and the implementation method that charges

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102545155A (en) * 2012-03-02 2012-07-04 南开大学 Active reverse connection prevention and protection circuit of solar cell
CN202917976U (en) * 2012-10-31 2013-05-01 佛山市顺德区瑞德电子实业有限公司 Protective device of solar energy LED power supply input polarity reversal connection
CN203086117U (en) * 2013-01-31 2013-07-24 合肥钦力电子有限公司 Anti-reverse-connection protection circuit of storage battery EDM
CN205960639U (en) * 2016-08-01 2017-02-15 深圳英利新能源有限公司 Emergent convenient system of battery anti -reverse connection circuit and solar energy

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102545155A (en) * 2012-03-02 2012-07-04 南开大学 Active reverse connection prevention and protection circuit of solar cell
CN202917976U (en) * 2012-10-31 2013-05-01 佛山市顺德区瑞德电子实业有限公司 Protective device of solar energy LED power supply input polarity reversal connection
CN203086117U (en) * 2013-01-31 2013-07-24 合肥钦力电子有限公司 Anti-reverse-connection protection circuit of storage battery EDM
CN205960639U (en) * 2016-08-01 2017-02-15 深圳英利新能源有限公司 Emergent convenient system of battery anti -reverse connection circuit and solar energy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108521166A (en) * 2018-04-23 2018-09-11 西南大学 A kind of MPPT charging systems and the implementation method that charges

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Application publication date: 20180209