CN205960639U - Emergent convenient system of battery anti -reverse connection circuit and solar energy - Google Patents
Emergent convenient system of battery anti -reverse connection circuit and solar energy Download PDFInfo
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- CN205960639U CN205960639U CN201620827518.7U CN201620827518U CN205960639U CN 205960639 U CN205960639 U CN 205960639U CN 201620827518 U CN201620827518 U CN 201620827518U CN 205960639 U CN205960639 U CN 205960639U
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- power amplifier
- battery
- reverse
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- module
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Abstract
The utility model relates to an emergent convenient system of battery anti -reverse connection circuit and solar energy, this circuit include and prevent joining conversely diode and power amplifier with the battery is connected, prevent the output that joins conversely the diode and be connected with power amplifier's control foot that power amplifier's output pin and battery are connected, and power amplifier's output pin and power amplifier's input foot ground connection, power amplifier's control foot is through a current -limiting resistor ground connection. The utility model discloses a power amplifier of diode and three end foot ground connection is prevented joining conversely in the setting, prevents the output that joins conversely the diode and be connected with power amplifier's control foot that power amplifier's output pin and battery are connected, and during the battery electrode negative, power amplifier switches on, and the battery is put through on the product of back, when the battery joined conversely, power amplifier reverse biased / nos bias voltage was ended, and the return circuit of battery is cut off, and the electricity is not gone up to the product, reached to prevent the effect of joining conversely, and the reaction agility to the anti - obvious advantage that has of preventing of battery access, increases substantially the availability factor of product.
Description
Technical field
The utility model is related to reverse-connection preventing circuit, more specifically refers to that cell anti-reverse connects circuit and includes this anti-reverse electricity
The emergent convenient system of the solar energy on road.
Background technology
Solar energy is a kind of inexhaustible new forms of energy, is resource regenerative resource the abundantest.Solar energy
The development of photovoltaic power generation technology is that the mankind solve one of global energy crisis Main way;Solar electrical energy generation will not be to air band
To pollute, not destroy ecology, to be a kind of cleaning green energy resource.The warning of several great nuclear accident in the world, makes countries in the world political affairs
A series of incentive policies developing solar energy and other novel renewable energy and regulation are energetically being released in mansion;Entirely
Ball is assuming fast-developing trend in the investment of the new energy fields such as photovoltaic generation, and this industry has become as the hot topic of investment
Field;At present China has become as the production capacity big country of solar energy power generating module, is in market development and application development
Critical stage, therefore independent development patented technology, have important society to new energy technologies such as development China photovoltaic generation industries
And economic implications.
In the product of traditional solar product or other charged pools, in order to prevent, battery is reversed to lead to damage of product, generally
In positive pole one counnter attack diode of series connection of battery, this design generally can work in the environment of small current work, but in product
Operating current ratio, can be very big by the electric current of diode in the case of larger, leads to the power consumption of diode very high, makes product
Whole efficiency 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.Can be used for
Buck solar cell electricity generation system.This circuit is by DC-DC change-over circuit, voltage protection circuit, current foldback circuit, driving electricity
Road and gate circuit, access protection circuit and control circuit composition.It is applied to solar power system and can realize sun electricity simultaneously
Pond is accessed reverse polarity connection protection, solar cell output current excessively stream and load short circuits protection, avoids rear end energy storage battery to pass through
Solar cell back discharge is protected.The utility model proposes circuit can replace the high-power of traditional solar cell electricity generation system
Anti-reverse diode, effectively improves the efficiency of solar power system.
In above-mentioned patent, its whether reversal connection is judged using voltage signal acquisition and the contrast of the 3rd comparator, then by judging
Result makes safeguard measure, and such reaction time is slower.
Therefore, it is necessary to design a kind of cell anti-reverse to connect circuit, realize the reaction time soon, the counnter attack that battery is accessed has bright
Aobvious advantage, is greatly improved the service efficiency of product.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, provides cell anti-reverse to connect circuit and solar energy and meets an urgent need
Convenient system and method.
For achieving the above object, the utility model employs the following technical solutions:Cell anti-reverse connects circuit, including with battery even
The anti-reverse diode connecing and power amplifier;The output end of described anti-reverse diode and the control of described power amplifier
Pin connects, and the output pin of described power amplifier is connected with described battery, and the output pin of described power amplifier and described
The input pin ground connection of power amplifier, the control pin of described power amplifier passes through the first current-limiting resistance ground connection.
Its further technical scheme is:Described cell anti-reverse connects circuit and also includes clamp diode, described clamp diode
Plus earth, the negative pole of described clamp diode is connected with the control pin of described power amplifier.
Its further technical scheme is:It is connected between described anti-reverse diode and the control pin of described power amplifier
There is the second current-limiting resistance.
Its further technical scheme is:The output pin of described power amplifier passes through the 3rd current-limiting resistance ground connection.
Its further technical scheme is:Described battery is also associated with first resistor and second resistance, described first resistor
One end connect with one end of described second resistance, the other end of described first resistor is connected with described battery, described second electricity
The other end ground connection of resistance, described second resistance is parallel with the first electric capacity, and described first electric capacity and described second resistance connect respectively
It is connected to battery digital control module.
Its further technical scheme is:Described anti-reverse diode is connected with several the second electric capacity, described second electric capacity
The other end ground connection.
The utility model additionally provide solar energy meet an urgent need convenient system, including above-mentioned cell anti-reverse connect circuit, controller,
Temperature measuring probe, DC-DC converting unit, DC charging unit, exchange output unit and LCD display, described cell number
Word control module, temperature measuring probe, DC-DC converting unit, DC charging unit, exchange output unit and LCD display
It is connected with described controller respectively.
Its further technical scheme is:Control pipe that described DC-DC converting unit includes being sequentially connected, DC-DC circuit, DC
Output module and current sample module, described current sample module and described control pipe are connected with described controller.
Its further technical scheme is:Described DC charging unit includes charging module, input metering module and described electricity
Switching tube and communicator that pond connects, described charging module is connected with input metering module, and described input metering module is respectively
It is connected with described communicator and described switching tube, described switching tube and described communicator are connected with described controller respectively.
Its further technical scheme is:Relay that described exchange output unit includes being sequentially connected, inverter, output meter
Amount module and output metering power supply, described relay and described output metering module are connected with described controller respectively.
The utility model beneficial effect compared with prior art is:Cell anti-reverse of the present utility model connects circuit, passes through
Anti-reverse diode and three power amplifier, the output end of anti-reverse diode and power amplifications holding pin all ground connection are set
The control pin of device connects, and the output pin of power amplifier is connected with battery, and when battery just connects, power amplifier turns on, battery
It is switched on electricity on rear product;When battery reversal connection, power amplifier is reverse-biased/and no-bias is cut off, and the loop of battery is cut off, and produces
Product do not go up electricity, reach anti-reverse effect, and reaction is quick, and the counnter attack that battery is accessed has obvious advantage, is greatly improved
The service efficiency of product.
With specific embodiment, the utility model is further described below in conjunction with the accompanying drawings.
Brief description
The cell anti-reverse that Fig. 1 provides for the utility model specific embodiment connects the circuit block diagram of circuit;
The structured flowchart of the emergent convenient system of solar energy that Fig. 2 provides for the utility model specific embodiment.
Reference
10 battery 1 controller
20 cell anti-reverses connect circuit 20 reverse-connection preventing circuit
31 solar recharging module 32 external power supply module
33 input metering power supply 34 communicators
35 input metering module 36 switching tubes
40 LCD display 50 button
60 buzzer 70 temperature measuring probe
81 control pipe 82 DC-DC circuit
83 DC output module 84 current sample module
91 relay 92 inverter
93 output metering module 94 output metering power supplys
C22 the first electric capacity C4, C5, C6, C7 second electric capacity
D9 anti-reverse diode Q10 power amplifier
R37 the second current-limiting resistance R38 the 3rd current-limiting resistance
R40 the first current-limiting resistance R41 first resistor
R42 second resistance ZD1 clamp diode
Specific embodiment
In order to more fully understand technology contents of the present utility model, with reference to specific embodiment to skill of the present utility model
Art scheme is further described and illustrates, but is not limited to this.
Specific embodiment as shown in Fig. 1~2, the cell anti-reverse that the present embodiment provides connects circuit 20 and can be used in the sun
Can meet an urgent need in convenient system, realize the reaction time soon, the counnter attack that battery 10 is accessed has obvious advantage, and product is greatly improved
The service efficiency of product, or it is also possible to be used in the product that other carry battery 10.
Cell anti-reverse connects circuit 20, including the anti-reverse diode D9 being connected with battery 10 and power amplifier Q10;Institute
The output end stating anti-reverse diode D9 is connected with the control pin of described power amplifier Q10, and described power amplifier Q10's is defeated
Go out pin to be connected with described battery 10, and the input pin of the output pin of described power amplifier Q10 and described power amplifier Q10
Ground connection, the control pin of described power amplifier Q10 passes through the first current-limiting resistance R40 ground connection.
When the both positive and negative polarity of battery 10 connects correct, the output pin of described power amplifier Q10 is negative with described battery 10
Pole connects, and anti-reverse diode D9 is connected with the positive pole of battery 10, after battery 10 positive pole takes over control reversal connection diode D9, produces partially
Pressure, voltage is added in the control pin of power amplifier Q10, so that power amplifier Q10 is turned on, battery 10 negative pole is equivalent to by power
Ground is directly arrived in the internal resistance of amplifier Q10, and battery 10 is switched on electricity on rear product, and load is opened, and electric current is by the positive cascade of battery 10
Connect the positive pole of load, the minus earth of load, then the negative pole composition loop through power amplifier Q10 and battery 10.
Because the power consumption of power amplifier Q10 is relevant with conducting internal resistance, the conducting internal resistance of power amplifier Q10 typically exists
Below 10mR (can be specifically chosen), the counnter attack power consumption making product will be very low, negligible.
It is that the both positive and negative polarity of battery 10 connects anti-when the both positive and negative polarity malunion of battery 10 is true, the positive pole of battery 10 connects work(
It is grounded after the input pin of rate amplifier Q10, the control pin due to power amplifier Q10 is connected with the first current-limiting resistance R40, electric current
From the input pin input of power amplifier Q10, flow into the control of power amplifier Q10 after the first current-limiting resistance R40 simultaneously
Pin, power amplifier Q10 is reverse-biased/and no-bias is cut off, and the loop of battery 10 is cut off, and product does not go up electricity.
Above-mentioned cell anti-reverse connects circuit 20, by arranging anti-reverse diode D9 and three power holding pin all ground connection
Amplifier Q10, the output end of anti-reverse diode D9 is connected with the control pin of power amplifier Q10, and power amplifier Q10's is defeated
Go out pin to be connected with battery 10, when battery 10 just connects, power amplifier Q10 turns on, battery 10 is switched on electricity on rear product;Work as electricity
During 10 reversal connection of pond, power amplifier Q10 is reverse-biased/and no-bias is cut off, and the loop of battery 10 is cut off, and product does not go up electricity, reaches
Anti-reverse effect, reaction is quick, and the counnter attack that battery 10 is accessed has obvious advantage, and product is greatly improved uses effect
Rate.
Further, described cell anti-reverse connects circuit 20 and also includes clamp diode ZD1, described clamp diode ZD1
Plus earth, the negative pole of described clamp diode ZD1 is connected with the control pin of power amplifier Q10, so, when battery 10
When both positive and negative polarity connects correct, battery 10 positive pole produces bias, when battery 10 voltage is less than 18V, biases as battery 10 voltage, works as electricity
Pond 10 voltage carries out clamper, voltage is fixed as 18V more than 18V, clamp diode ZD1, and this voltage is added in power amplifier
The control pin of Q10, makes power amplifier Q10 turn on.
In addition, being connected with the second current-limiting resistance between described anti-reverse diode D9 and the control pin of power amplifier Q10
R37, this second current-limiting resistance R37 can prevent battery 10 overtension, lead to clamp diode ZD1 to damage, and work as battery
When 10 both positive and negative polarity connects correct, battery 10 positive pole passes through anti-reverse diode D9 and the second current-limiting resistance R37, produces bias.
The output pin of described power amplifier Q10 passes through the 3rd current-limiting resistance R38 ground connection, when the both positive and negative polarity of battery 10 connects
When incorrect (both positive and negative polarity connects anti-), the positive pole of battery 10 passes through the input of the 3rd current-limiting resistance R38 to power amplifier Q10
Pin, then by the control pin of 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, and product does not go up electricity.
In addition, in the present embodiment, described battery 10 is also associated with first resistor R41 and second resistance R42, described
Connected with one end of second resistance R42 in one end of one resistance R41, the other end of described first resistor R41 is connected with battery 10, institute
State the other end ground connection of second resistance R42, described second resistance R42 is parallel with the first electric capacity C22, described first electric capacity C22 with
And described second resistance R42 is connected to battery digital control module.
In the present embodiment, described anti-reverse diode D9 is also associated with several second electric capacity C4, C5, C6, C7, described
The other end ground connection of second electric capacity C4, C5, C6, C7.
The present embodiment additionally provides the emergent convenient system of solar energy, connects circuit 20, controller including above-mentioned cell anti-reverse
1st, temperature measuring probe 70, DC-DC converting unit, DC charging unit, exchange output unit and LCD display 40, described
Battery digital control module, temperature measuring probe 70, DC-DC converting unit, DC charging unit, exchange output unit and
LCD display 40 is connected with controller 1 respectively.
The charge control of product, output overcurrent, temperature protection are controlled by controller 1, especially to sides such as the power consumptions of product
The control in face has strict control, and the Product Status monitoring of traditional convenient system, product power consumption and Based Intelligent Control, output are protected
The lifting of the overall performances of product such as shield, the circuit performance of entirety in the convenient product to solar energy can be obviously improved, extends
The service life of product and reply rugged environment impact.
Further, described DC-DC converting unit includes being sequentially connected control pipe 81, DC-DC circuit 82, DC output
Module 83 and current sample module 84, described current sample module 84 and described control pipe 81 are connected with controller 1, by electricity
The voltage conversion in pond 10 becomes 5V/12V/20V voltage, and exports the circuit with over-current detection, when load current exceedes setting value, produces
Product turn off output, and LCD display 40 is delivered in excessively stream error message.
In the present embodiment, described 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, described input metering module 35 respectively with communicator 34 and switch
Pipe 36 connects, and described switching tube 36 is connected with battery 10, and described switching tube 36 and communicator 34 are respectively with described controller 1 even
Connect.
Further, described charging module includes solar recharging module 31, external power supply module 32 and input meter
At least one of amount power supply 33, this convenient system supports that solar recharging module 31 and external power supply module 32 charge simultaneously, and
Charge parameter shows in real time, and wherein, charging display parameters are charging voltage, charging current, charge capacity.Wherein, input metering
Module 35 carries out sample charging voltage, charging current, charge capacity, then conveys data to controller 1, controller 1 is changed
For displayable information, shown by LCD display 40.
In addition, described exchange output unit include being sequentially connected relay 91, inverter 92, output metering module 93 with
And exporting metering power supply 94, described relay 91 and described output metering module 93 are connected with controller 1 respectively, described control
Device 1 passes through control relay 91, to control the DC terminal of inverter 92, inverter 92 is opened, and inverter 92 produces after opening
The alternating voltage of 220V/50HZ, the power supply of output metering module 93 is provided by after inverter 92 220V/50HZ resistance-capacitance depressurization, when
After electricity on output metering module 93, the output voltage of inverter 92, power output, output information about power deliver to LCD display 40
Display.
In the present embodiment, above-mentioned LCD display 40 is used for showing the information of whole product, this LCD display 40 carries
LCD driving chip, controller 1 is connected by driving chip interface, and the displayable information of LCD display 40 is DC charging electricity
Pressure, DC charging current, DC charging electricity, battery 10 voltage, 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 described solar energy also includes button 50, and described button 50 is connected with described controller 1, for controlling
Make the action of whole product, such as system switching, dc switch, alternating-current switch, temperature switching switch, charge capacity/direct-current discharge
Electricity clear switch, switchboard is connected by interface and main control chip.
The emergent convenient system of described solar energy also includes buzzer 60, and described buzzer 60 is connected with described controller 1, should
Buzzer 60 is pointed out for button 50 operation, fault provides and reports to the police.
The utility model additionally provides the control method of the emergent convenient system of solar energy, including step in detail below:
Step one, battery 10 and cell anti-reverse are connect circuit 20 and be connected, when battery 10 both positive and negative polarity connects 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 voltage through DC-DC converting unit, and exports,
Over-current detection circuit is carried, when load current exceedes setting value, product turns off output, and excessively stream error message is sent out while output
Deliver to controller 1, control LCD display 40 to show by controller 1;
Step 3, when needing battery 10 is charged, controller 1 drive charging module battery 10 is charged,
There is provided power supply for input metering module 35, input metering module 35 passes through sample charging voltage, charging current, charge capacity simultaneously
Afterwards, and by the charge parameter of charging voltage, charging current, charge capacity send to controller 1, controller 1 drives LCD display
40 displays.
In described step 2, when needing for photovoltaic conversion to become exchange electricity output, controller 1 passes through the control of relay 91
System, to control the DC terminal of inverter 92, inverter 92 is opened, and inverter 92 produces the alternating current of 220V/50HZ after opening
Pressure, the power supply of output metering module 93 is provided by after the 220V/50HZ resistance-capacitance depressurization of inverter 92, when on output metering module 93
After electricity, the output voltage of sampling inverter 92, power output, output information about power send to controller 1, are controlled by controller 1
LCD display 40 shows.
Described step one also include using temperature measuring probe 70 detection temperature, by sample temperature detection probe 70
On voltage, the voltage of sampling is sent to controller 1, is converted to the temperature value of reality by R-T chart, and drives LCD
Display 40 shows actual temperature in chassis.
Above-mentioned only technology contents of the present utility model are further illustrated with embodiment, be easier to understand in order to reader,
But do not represent embodiment of the present utility model and be only limitted to this, any technology done according to the utility model extends or recreates,
All by protection of the present utility model.Protection domain of the present utility model is defined by claims.
Claims (10)
1. cell anti-reverse connects circuit it is characterised in that including anti-reverse diode and the power amplifier being connected with battery;Institute
The control pin of the output end and described power amplifier of stating anti-reverse diode is connected, the output pin of described power amplifier and institute
State battery to connect, and the input pin of the output pin of described power amplifier and described power amplifier is grounded, described power is put
The control pin of big device passes through the first current-limiting resistance ground connection.
2. cell anti-reverse according to claim 1 connects circuit it is characterised in that described cell anti-reverse connects circuit also includes pincers
Position diode, the plus earth of described clamp diode, the control of the negative pole of described clamp diode and described power amplifier
Pin connects.
3. cell anti-reverse according to claim 1 connects circuit it is characterised in that described anti-reverse diode and described power
It is connected with the second current-limiting resistance 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 described power amplifier passes through
3rd current-limiting resistance ground connection.
5. cell anti-reverse according to claim 1 connect circuit it is characterised in that described battery be also associated with first resistor with
And second resistance, one end of described first resistor connected with one end of described second resistance, the other end of described first resistor with
Described battery connects, the other end ground connection of described second resistance, and described second resistance is parallel with the first electric capacity, described first electric capacity
And described second resistance is connected to battery digital control module.
6. cell anti-reverse according to claim 1 connect circuit it is characterised in that described anti-reverse diode be connected with some
Individual second electric capacity, the other end ground connection of described second electric capacity.
7. solar energy meet an urgent need convenient system it is characterised in that include claim 5 described in cell anti-reverse connect circuit, controller,
Temperature measuring probe, DC-DC converting unit, DC charging unit, exchange output unit and LCD display, described cell number
Word control module, temperature measuring probe, DC-DC converting unit, DC charging unit, exchange output unit and LCD display
It is connected with described controller respectively.
8. solar energy according to claim 7 meets an urgent need convenient system it is characterised in that described DC-DC converting unit includes
Control pipe, DC-DC circuit, DC output module and the current sample module being sequentially connected, described current sample module and institute
State control pipe to be connected with described controller.
9. solar energy according to claim 7 meets an urgent need convenient system it is characterised in that described DC charging unit includes filling
Switching tube and communicator that electric module, input metering module are connected with described battery, described charging module and input metering mould
Block connect, described input metering module is connected with described communicator and described switching tube respectively, described switching tube and described lead to
News device is connected with described controller respectively.
10. solar energy according to claim 7 meets an urgent need convenient system it is characterised in that described exchange output unit includes
Relay, inverter, output metering module and output metering power supply, described relay and the described output meter being sequentially connected
Amount module is connected with described controller respectively.
Priority Applications (1)
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CN201620827518.7U CN205960639U (en) | 2016-08-01 | 2016-08-01 | Emergent convenient system of battery anti -reverse connection circuit and solar energy |
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CN201620827518.7U CN205960639U (en) | 2016-08-01 | 2016-08-01 | Emergent convenient system of battery anti -reverse connection circuit and solar energy |
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CN201620827518.7U Expired - Fee Related CN205960639U (en) | 2016-08-01 | 2016-08-01 | Emergent convenient system of battery anti -reverse connection circuit and solar energy |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107681647A (en) * | 2016-08-01 | 2018-02-09 | 深圳英利新能源有限公司 | Cell anti-reverse connects circuit and the emergent convenient system of solar energy and method |
-
2016
- 2016-08-01 CN CN201620827518.7U patent/CN205960639U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107681647A (en) * | 2016-08-01 | 2018-02-09 | 深圳英利新能源有限公司 | Cell anti-reverse connects circuit and the emergent convenient system of solar energy and method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 |