CN205453191U - Car storage battery reverse charge device - Google Patents
Car storage battery reverse charge device Download PDFInfo
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- CN205453191U CN205453191U CN201521137398.XU CN201521137398U CN205453191U CN 205453191 U CN205453191 U CN 205453191U CN 201521137398 U CN201521137398 U CN 201521137398U CN 205453191 U CN205453191 U CN 205453191U
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Abstract
The utility model provides a car storage battery reverse charge device is applied to the car storage battery, including inputoutput interface, lithium battery module, battery charging module, control module, current amplification detection module and current output module, battery charging module's input with inputoutput interface connection, output and the connection of lithium battery module, control end and control module connects, current amplification detection module's input with the connection of lithium battery module, output and control module connects, the input of current output module with the connection of lithium battery module, output and inputoutput interface connection, control end and control module connects. Implement the utility model discloses, convenience of customers operation is difficult for makeing mistakes, the automobile storage battery just often, can charge to the device, when automobile storage battery insufficient voltage, can carry out reverse charge to the automobile storage battery fast, and then the quick start automobile.
Description
Technical field
This utility model relates to charging technique field, more particularly, it relates to a kind of automobile storage battery inverse charging device.
Background technology
The life-span of automobile storage battery is usually 2 to 3 years, and at automobile storage battery power shortage, automobile does not then start, and makes troubles to car owner.At present, automobile storage battery power shortage and do not start the emergency starting of automobile and mainly have push starting, but this startup method has certain damage to electromotor and clutch, especially to automatic catch vehicle.In another kind of emergency starting, "Jumper" cable is used to be connected with the positive terminal of automobile storage battery by the positive terminal of relief car battery, again the negative terminal of relief car battery is connected with the earth lead in automobile engine, so, when starting relief car, the automobile storage battery emergent charging to power shortage, automobile could be started when charging complete, but it is long that this method starts the time, and processing ease error, and then cause other problems.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned deficiency of emergency starting method during automobile storage battery power shortage of the prior art, it is provided that a kind of automobile storage battery inverse charging device.
This utility model solves the technical scheme of the problems referred to above and there is provided a kind of automobile storage battery inverse charging device, being applied to described automobile storage battery, described device includes input/output interface, lithium battery module, battery charging module, control module, Current amplifier detection module and current output module；The input of described battery charging module is connected with described input/output interface, outfan is connected with described lithium battery module, control end is connected with described control module, the input of described Current amplifier detection module is connected with described lithium battery module, outfan is connected with described control module, and the input of described current output module is connected with described lithium battery module, outfan is connected with described input/output interface, control end is connected with described control module；Described control module exports the first enable signal and works to be charged described lithium battery module to control described battery charging module when receiving the first triggering signal, and exports the first forbidden energy signal and quit work to control described current output module；Described control module exports the second forbidden energy signal and quits work to control described battery charging module when receiving the second triggering signal, and export the second enable signal to control the work of described current output module, the size of current of the described lithium battery module detected by described Current amplifier detection module that described current output module exports according to described control module and the control signal that determines controls described automobile storage battery is carried out reverse charge.
In above-mentioned automobile storage battery inverse charging device, described device also includes key-press module, described key-press module is connected with described control module, and produce the first triggering signal or second trigger signal make described control module export described first forbidden energy signal and described first enable signal, or export described second forbidden energy signal and described second enable signal.
In above-mentioned automobile storage battery inverse charging device, described device also includes that electricity quantity display module, described electricity quantity display module are connected with described control module, points out user to be charged when the electricity of described lithium battery module is low.
In above-mentioned automobile storage battery inverse charging device, described device also includes Voltage stabilizing module, and the two ends of described Voltage stabilizing module power end with described lithium battery module and described control module respectively is connected, and provides stable supply voltage to described control module.
In above-mentioned automobile storage battery inverse charging device, described lithium battery module includes lithium battery group and protection balanced unit, and wherein, described lithium battery group is composed in parallel by N number of lithium battery, and N is positive integer；Described protection balanced unit is connected with described lithium battery group, and described lithium battery group carries out additives for overcharge protection, over, overcurrent protection, battery short circuit protection, overheat protector and battery balanced when described device works.
In above-mentioned automobile storage battery inverse charging device, described Current amplifier detection module includes power supply unit and amplification detection unit, and wherein, the outfan of said supply unit connects the power end of described amplification detection unit；Said supply unit includes interconnective optocoupler U7 and voltage stabilizing chip U8, and described amplification detection unit includes resistance RS1, resistance RS2, resistance RS4, resistance RS5, resistance RS6, resistance R74, resistance R76, resistance R77, electric capacity C54, amplifier U9, diode D12, resistance R75, electric capacity C53 and switching diode D11.
nullIn above-mentioned automobile storage battery inverse charging device，Described current output module includes audion Q5、Audion Q5x、Resistance R35、Audion Q9、Audion Q15、Resistance R40、Resistance R73，Diode D10，Wherein，The emitter-base bandgap grading of audion Q5 and the grid of audion Q5x and audion Q9 anode with diode D10 respectively is connected，The negative electrode of diode D10 is connected with the colelctor electrode of audion Q15，The base stage of audion Q15 is connected with one end of resistance R40 and one end of resistance R73，The other end of resistance R73 and the emitter-base bandgap grading of audion Q15 connect with reference to ground，The colelctor electrode of audion Q15 also sequentially passes through the base stage of audion Q9、The colelctor electrode of resistance R35 and audion Q9 is connected with the positive pole of described lithium battery module，The positive pole of described lithium battery module also source electrode with audion Q5 and audion Q5x is connected，The drain electrode of audion Q5 and audion Q5x is as the outfan of described current output module，The source electrode of audion Q5、The source electrode of audion Q5x、The connection node of the colelctor electrode of audion Q9 and one end of resistance R35 is as the input of described current output module，The other end of resistance R40 is as the control end of described current output module.
In above-mentioned automobile storage battery inverse charging device, described key-press module includes button S1 and electric capacity C49, wherein, button S1 is in parallel with electric capacity C49, one end of button S1 and electric capacity C49 in parallel is connected and connects DC voltage VDD with reference to ground, the other end through resistance R66, and the button S1 of parallel connection is also connected with described control module with the other end of electric capacity C49.
In above-mentioned automobile storage battery inverse charging device, described Voltage stabilizing module includes Zener diode ZD3, Zener diode ZD4 and voltage stabilizing chip U4, wherein the negative electrode of Zener diode ZD3 connects lithium battery module, the negative electrode of anode connection Zener diode ZD4, and the anode of Zener diode ZD4 connects the input pin Vin of voltage stabilizing chip U4；The input pin Vin of voltage stabilizing chip U4 also connects with reference to ground through electric capacity C43, and the grounding pin GND of voltage stabilizing chip U4 connects with reference to ground, and the output pin Vout of voltage stabilizing chip U4 connects with reference to ground through electric capacity C45.
In above-mentioned automobile storage battery inverse charging device, described N is 5.
Automobile storage battery inverse charging device of the present utility model uses input interface and output interface to be same interface, user-friendly, the most error-prone.When automobile storage battery is normal, connects automobile storage battery by input/output interface, this device can be charged.When automobile storage battery power shortage, connect automobile storage battery by input/output interface, quickly automobile storage battery is carried out reverse charge, and then quickly starts automobile.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile storage battery inverse charging device embodiment of the present utility model.
Fig. 2 is the circuit diagram of the lithium battery module embodiment in Fig. 1.
Fig. 3 is the circuit diagram of the battery charging module embodiment in Fig. 1.
Fig. 4 is the pinouts of the integrated chip U5 of the control module embodiment in Fig. 1.
Fig. 5 is the circuit diagram of the Current amplifier detection module embodiment in Fig. 1.
Fig. 6 is the circuit diagram of the current output module embodiment in Fig. 1.
Fig. 7 is the circuit diagram of Voltage stabilizing module embodiment of the present utility model.
Fig. 8 is the circuit diagram of key-press module embodiment of the present utility model.
Fig. 9 is the circuit diagram of electricity quantity display module embodiment of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
As it is shown in figure 1, be the structural representation of automobile storage battery inverse charging device embodiment of the present utility model.This automobile storage battery inverse charging device uses input interface and output interface to be same interface, this automobile storage battery inverse charging device is connected with automobile storage battery by input/output interface, when automobile storage battery normally works, when input/output interface connects automobile storage battery, automobile storage battery is charged to this automobile inverse charging device so that this automobile inverse charging device electric power storage；When automobile storage battery power shortage, this automobile inverse charging device carries out reverse charge to automobile storage battery, so that automobile storage battery can start automobile.
With reference to Fig. 1, this automobile storage battery inverse charging device includes lithium battery module 10, battery charging module 20, Current amplifier detection module 30, current output module 40, input/output interface 50 and control module 60.
Wherein, lithium battery module 10, as the power supply of this device, for automobile storage battery carries out providing in reverse charge charging current when automobile storage battery power shortage, and provides supply voltage to this device; wherein, this lithium battery module 10 includes lithium battery group 101 and protection balanced unit 102.Lithium battery group 101 is composed in parallel by N number of lithium battery in the present embodiment, and N is positive integer, and N is 5 in the present embodiment, i.e. has 5 lithium batteries in automobile storage battery inverse charging device, and certainly, in side circuit designs, lithium battery group 101 can be also 3 etc..Protection balanced unit 102 is connected with lithium battery group 101; for when this device works; lithium battery group 101 is carried out additives for overcharge protection, over, overcurrent protection, battery short circuit protection, overheat protector and battery balanced; specifically; in the present embodiment; as in figure 2 it is shown, include that integrated chip U2, audion Q13 and audion Q14, audion Q13 and audion Q14 are the N-channel field effect transistor of band Zener diode at this protection balanced unit 102.
The input of battery charging module 20 is connected with input/output interface, outfan is connected with lithium battery module, is charged this lithium battery module 10 when and input/output interface 50 external charger low at the electricity of lithium battery module 10.nullIn an embodiment，As shown in Figure 3，This battery charging module 20 includes the first chip U1，This first chip U1 has been used for charge function，Its first pin connects with reference to ground through electric capacity C13，3rd pin is connected with the resistance R32 and electric capacity C24 of series connection with reference to ground through electric capacity C23 in parallel，4th pin is as the control end of this battery charging module 20，For arranging the ceiling voltage of charging，5th pin connects with reference to ground through resistance R17，Node between 6th pin with the resistance R9 connected and resistance R20，7th pin connects with reference to ground，8th pin connects direct current supply voltage vcc，Also connect with reference to ground through electric capacity C4，Also one end with resistance R9 is connected，9th pin is connected with the base stage of audion Q3，The colelctor electrode of audion Q3 is connected with lithium battery module 10 through one end of diode D1 and electric capacity C2 in parallel and electric capacity C3，I.e. one end of the negative electrode of diode D1 and electric capacity C2 in parallel and electric capacity C3 is as the outfan of this battery charging module 20，Electric capacity C2 in parallel and the other end of electric capacity C3 connect with reference to ground，The emitter stage of audion Q3 connects with reference to ground through resistance R21，Resistance R21 also one end with resistance R20 is connected.One end of the anode of electric capacity C1, first pin of device J1 and resistance R2 is as the input of this battery charging module 20, the other end of resistance R2 is connected with second pin of diode D2 and the base stage of audion Q1 respectively, first pin of diode D2 the 8th pin through one end of resistance R8 and resistance R6 and the emitter-base bandgap grading of audion Q1 and the first chip U1 connects, and the other end of resistance R8 and the 3rd pin of diode D2 connect with reference to ground.The colelctor electrode of audion Q1 is connected with one end of resistance R2 and one end of inductance L1, and the other end of inductance L2 is connected with the colelctor electrode of audion Q3.
Control module 60 is connected with the control end of battery charging module 20, when and input/output interface 50 external charger low at the electricity of lithium battery module 10, now control module receives the first triggering signal, export the first forbidden energy signal and first and enable signal, this the first enable signal controls battery charging module 20 and works to be charged lithium battery module, meanwhile, the first forbidden energy signal control current output module 40 quits work.In the present embodiment, this control module 60 includes integrated chip U5, as shown in Figure 4, for the pinouts of this integrated chip U5.
The input of Current amplifier detection module 30 is connected with lithium battery module 10, for detecting the size of current of lithium battery module 10 when lithium battery module 10 carries out reverse charge to automobile storage battery.In the present embodiment, as it is shown in figure 5, this Current amplifier detection module 30 includes power supply unit 301 and amplification detection unit 302, wherein the outfan of power supply unit 301 connects the power end of amplification detection unit 302.Power supply unit 301 includes interconnective optocoupler U7 and voltage stabilizing chip U8, and first pin of optocoupler U7 connects DC voltage VDD through resistance R30, the 3rd pin is connected with the input pin Vin of voltage stabilizing chip U8, the 4th pin connects lithium battery module 10；The input pin Vin of voltage stabilizing chip U8 also connects with reference to ground through electric capacity C44, the grounding pin GND of voltage stabilizing chip U8 connects with reference to ground, the output pin Vout of voltage stabilizing chip U8 connects with reference to ground through electric capacity C52, and the output pin Vout of voltage stabilizing chip U8 is as the outfan of power supply unit.
nullAmplification detection unit 302 includes resistance RS1、Resistance RS2、Resistance RS4、Resistance RS5、Resistance RS6、Resistance R74、Resistance R76、Resistance R77、Electric capacity C54、Amplifier U9、Diode D12、Resistance R75、Electric capacity C53 and switching diode D11，Wherein，Resistance RS1、Resistance RS2、Resistance RS4、Resistance RS5 and resistance RS6 is connected in parallel，Its one end is connected through the positive input terminal of resistance R74 with amplifier U9、The other end is connected through the negative input end of resistance R76 with amplifier U9，The negative input end of amplifier U9 is also connected through one end of electric capacity C54 in parallel and resistance R77 and resistance R75、Outfan is connected with the anode of diode D12，The negative electrode of diode D12 is connected with one end of resistance R75，The other end of resistance R75 is connected with the 3rd pin of switching diode D11 through one end of electric capacity C53，The other end of electric capacity C53 and first pin of switching diode D11 connect respectively with reference to ground，Second pin of switching diode D11 connects DC voltage VDD.The two ends of the resistance RS1, resistance RS2, resistance RS4, resistance RS5 and the resistance RS6 that are connected in parallel are as the input of this amplification detection unit 302, the node that resistance R75 and electric capacity C53 is connected is as the outfan of this amplification detection unit 302, and the power end of amplifier U9 is as the power end of this amplification detection unit 302.
The input of current output module 40 is connected with lithium battery module 10, outfan is connected with input/output interface, and the control signal for determining according to the size of current of lithium battery module 10 being detected controls to carry out automobile storage battery the output electric current of reverse charge.In the present embodiment, as shown in Figure 6, this current output module 40 includes audion Q5, audion Q5x, resistance R35, audion Q9, audion Q15, resistance R40, resistance R73, diode D10, wherein, audion Q5, audion Q5x are the N-channel field effect transistor of band Zener diode, audion Q9 and audion Q15 and are NPN transistor.The emitter-base bandgap grading of audion Q5 and the grid of audion Q5x and audion Q9 anode with diode D10 respectively is connected, the negative electrode of diode D10 is connected with the colelctor electrode of audion Q15, the base stage of audion Q15 is connected with one end of resistance R40 and one end of resistance R73, the other end of resistance R73 and the emitter-base bandgap grading of audion Q15 connect with reference to ground, the colelctor electrode of audion Q15 also sequentially passes through the base stage of audion Q9, the colelctor electrode of resistance R35 and audion Q9 is connected with the positive pole of lithium battery module 10, the positive pole of lithium battery module 10 also source electrode with audion Q5 and audion Q5x is connected.The drain electrode of audion Q5 and audion Q5x is as the outfan of this current output module, the connection node of one end of the source electrode of audion Q5, the source electrode of audion Q5x, the colelctor electrode of audion Q9 and resistance R35 is as the input of this current output module, and the other end of resistance R40 is as the control end of this current output module 40.
nullControl module 60 also outfan with Current amplifier detection module 30 is connected，And be connected with the control end of current output module 40，It is additionally operable to when automobile storage battery power shortage and input/output interface 50 are connected with automobile storage battery，Now，Control module receives the second triggering signal，Export the second forbidden energy signal and second and enable signal，Second forbidden energy signal controls battery charging module 30 and quits work，Second enables signal control current output module 40 works，Now，Control module 60 exports control signal，Current output module 40 carries out reverse charge according to this control signal to automobile storage battery，This control signal is that the size of current of the lithium battery module detected by Current amplifier detection module of control module 60 output determines，In the present embodiment，The regulation of the pulsewidth of this control signal uses successive approximation algorithm，Such as，The most high duty cycle pre-setting this control signal is 80%，Approach from 40% during beginning，Regulate 5% when difference between current is bigger when detecting every time，Regulate 1% when difference between current is less when detecting every time，And then realize, by this control signal, automobile storage battery is carried out quick reverse charge.
In embodiments more of the present utility model, this automobile storage battery inverse charging device also includes Voltage stabilizing module 70, and the two ends of this Voltage stabilizing module power end with lithium battery module 10 and control module 60 respectively is connected, for providing stable supply voltage to control module 60.In the present embodiment, as shown in Figure 7, this Voltage stabilizing module 70 includes Zener diode ZD3, Zener diode ZD4 and voltage stabilizing chip U4, wherein the negative electrode of Zener diode ZD3 connects lithium battery module, the negative electrode of anode connection Zener diode ZD4, and the anode of Zener diode ZD4 connects the input pin Vin of voltage stabilizing chip U4；The input pin Vin of voltage stabilizing chip U4 also connects with reference to ground through electric capacity C43, the grounding pin GND of voltage stabilizing chip U4 connects with reference to ground, the output pin Vout of voltage stabilizing chip U8 connects with reference to ground through electric capacity C45, and the output pin Vout of this voltage stabilizing chip U4 is as the outfan of this Voltage stabilizing module.
In another embodiment of the present utility model, this automobile storage battery inverse charging device also includes key-press module 80, this key-press module 80 is connected with control module 60, control module 60 is made to export the first forbidden energy signal and the first enable signal for producing the first triggering signal or the second triggering signal, or second forbidden energy signal and second enable signal, and then control module 60 controllable current output module 40 quits work, battery charging module 20 works, or control battery charging module 20 to quit work, current output module 40 works, thus realize when input/output interface external charger, lithium battery group 101 is charged；Connect automobile storage battery at input/output interface, and during automobile storage battery power shortage, automobile storage battery is carried out reverse charge.Specifically, as shown in Figure 8, this key-press module 80 includes button S1 and electric capacity C49, this button S1 is in parallel with electric capacity C49, one end of button S1 and electric capacity C49 in parallel is connected and connects DC voltage VDD with reference to ground, the other end through resistance R66, and the other end of the button S1 and electric capacity C49 of parallel connection is also connected with control module.
In another embodiment of the present utility model, this automobile storage battery inverse charging device also includes electricity quantity display module 90, and this electricity quantity display module 90 is connected with control module 60, for pointing out user to be charged when the electricity of lithium battery module is low.Specifically, as shown in Figure 9, this electricity quantity display module 90 includes LED 2, LED 3 and LED 4, and the anode of LED 2, LED 3 and LED 4 connects DC voltage VDD respectively through resistance R68, resistance R69 and resistance R70, negative electrode is connected with control module respectively.
Summary, automobile storage battery inverse charging device of the present utility model uses input interface and output interface to be same interface, user-friendly, the most error-prone.When automobile storage battery is normal, connects automobile storage battery by input/output interface, this device can be charged.When automobile storage battery power shortage, connect automobile storage battery by input/output interface, quickly automobile storage battery is carried out reverse charge, and then quickly starts automobile.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with scope of the claims.
Claims (10)
1. an automobile storage battery inverse charging device, is applied to described automobile storage battery, it is characterised in that described device includes input/output interface, lithium battery module, battery charging module, control module, Current amplifier detection module and current output module；The input of described battery charging module is connected with described input/output interface, outfan is connected with described lithium battery module, control end is connected with described control module, the input of described Current amplifier detection module is connected with described lithium battery module, outfan is connected with described control module, and the input of described current output module is connected with described lithium battery module, outfan is connected with described input/output interface, control end is connected with described control module；Described control module exports the first enable signal and works to be charged described lithium battery module to control described battery charging module when receiving the first triggering signal, and exports the first forbidden energy signal and quit work to control described current output module；Described control module exports the second forbidden energy signal and quits work to control described battery charging module when receiving the second triggering signal, and export the second enable signal to control the work of described current output module, the size of current of the described lithium battery module detected by described Current amplifier detection module that described current output module exports according to described control module and the control signal that determines controls described automobile storage battery is carried out reverse charge.
2. according to the automobile storage battery inverse charging device described in claim 1, it is characterized in that, described device also includes key-press module, described key-press module is connected with described control module, and produce the first triggering signal or second trigger signal make described control module export described first forbidden energy signal and described first enable signal, or export described second forbidden energy signal and described second enable signal.
3., according to the automobile storage battery inverse charging device described in claim 1, it is characterised in that described device also includes that electricity quantity display module, described electricity quantity display module are connected with described control module, point out user to be charged when the electricity of described lithium battery module is low.
4. according to the automobile storage battery inverse charging device described in claim 1, it is characterized in that, described device also includes Voltage stabilizing module, and the two ends of described Voltage stabilizing module power end with described lithium battery module and described control module respectively is connected, and provides stable supply voltage to described control module.
5. according to the automobile storage battery inverse charging device according to any one of claim 1-4, it is characterised in that described lithium battery module includes lithium battery group and protection balanced unit, and wherein, described lithium battery group is composed in parallel by N number of lithium battery, and N is positive integer；Described protection balanced unit is connected with described lithium battery group, and described lithium battery group carries out additives for overcharge protection, over, overcurrent protection, battery short circuit protection, overheat protector and battery balanced when described device works.
6. according to the automobile storage battery inverse charging device according to any one of claim 1-4, it is characterized in that, described Current amplifier detection module includes power supply unit and amplification detection unit, and wherein, the outfan of said supply unit connects the power end of described amplification detection unit；Said supply unit includes interconnective optocoupler U7 and voltage stabilizing chip U8, and described amplification detection unit includes resistance RS1, resistance RS2, resistance RS4, resistance RS5, resistance RS6, resistance R74, resistance R76, resistance R77, electric capacity C54, amplifier U9, diode D12, resistance R75, electric capacity C53 and switching diode D11.
null7. according to the automobile storage battery inverse charging device according to any one of claim 1-4，It is characterized in that，Described current output module includes audion Q5、Audion Q5x、Resistance R35、Audion Q9、Audion Q15、Resistance R40、Resistance R73，Diode D10，Wherein，The emitter-base bandgap grading of audion Q5 and the grid of audion Q5x and audion Q9 anode with diode D10 respectively is connected，The negative electrode of diode D10 is connected with the colelctor electrode of audion Q15，The base stage of audion Q15 is connected with one end of resistance R40 and one end of resistance R73，The other end of resistance R73 and the emitter-base bandgap grading of audion Q15 connect with reference to ground，The colelctor electrode of audion Q15 also sequentially passes through the base stage of audion Q9、The colelctor electrode of resistance R35 and audion Q9 is connected with the positive pole of described lithium battery module，The positive pole of described lithium battery module also source electrode with audion Q5 and audion Q5x is connected，The drain electrode of audion Q5 and audion Q5x is as the outfan of described current output module，The source electrode of audion Q5、The source electrode of audion Q5x、The connection node of the colelctor electrode of audion Q9 and one end of resistance R35 is as the input of described current output module，The other end of resistance R40 is as the control end of described current output module.
8. according to the automobile storage battery inverse charging device described in claim 2, it is characterized in that, described key-press module includes button S1 and electric capacity C49, wherein, button S1 is in parallel with electric capacity C49, one end of button S1 and electric capacity C49 in parallel is connected and connects DC voltage VDD with reference to ground, the other end through resistance R66, and the button S1 of parallel connection is also connected with described control module with the other end of electric capacity C49.
9. according to the automobile storage battery inverse charging device described in claim 4, it is characterized in that, described Voltage stabilizing module includes Zener diode ZD3, Zener diode ZD4 and voltage stabilizing chip U4, wherein the negative electrode of Zener diode ZD3 connects lithium battery module, the negative electrode of anode connection Zener diode ZD4, and the anode of Zener diode ZD4 connects the input pin Vin of voltage stabilizing chip U4；The input pin Vin of voltage stabilizing chip U4 also connects with reference to ground through electric capacity C43, and the grounding pin GND of voltage stabilizing chip U4 connects with reference to ground, and the output pin Vout of voltage stabilizing chip U4 connects with reference to ground through electric capacity C45.
10. according to the automobile storage battery inverse charging device described in claim 5, it is characterised in that described N is 5.
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| CN201521137398.XU CN205453191U (en) | 2015-12-31 | 2015-12-31 | Car storage battery reverse charge device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105449787A (en) * | 2015-12-31 | 2016-03-30 | 深圳市华思旭科技有限公司 | Reverse charging device for automobile battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105449787A (en) * | 2015-12-31 | 2016-03-30 | 深圳市华思旭科技有限公司 | Reverse charging device for automobile battery |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |