CN208369236U - A kind of Overdischarge protection device for storage battery and automobile - Google Patents
A kind of Overdischarge protection device for storage battery and automobile Download PDFInfo
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- CN208369236U CN208369236U CN201820381158.1U CN201820381158U CN208369236U CN 208369236 U CN208369236 U CN 208369236U CN 201820381158 U CN201820381158 U CN 201820381158U CN 208369236 U CN208369236 U CN 208369236U
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Abstract
The utility model discloses a kind of Overdischarge protection device for storage battery and automobile; it is related to battery technology field; can not only occur feed phenomenon to avoid battery using the device, additionally it is possible to continue to start up the car using the telegram in reply function of resetting control module in the case where accumulator feeding.The device includes first switch, voltage stabilizing chip module, voltage signal judgment module, resets control module, igniter module and Drive Module, and voltage signal judgment module is for being arranged feed voltage threshold value U0, and the current voltage U of monitoring battery2Obtain CLK input signal；Control module is resetted to be used to change CLR input signal according to its reset state；Igniter module is used for according to the corresponding output high level signal/low level signal of CLK input signal, CLR input signal and PR input signal；Drive Module is used to control first switch closure in input high level signal, or in input low level signal, control first switch is disconnected.
Description
Technical field
The utility model relates to battery technology field more particularly to a kind of Overdischarge protection device for storage batteries and automobile.
Background technique
Battery is the power supply of in-vehicle electronic system, if battery feed occurs and will will lead to in-vehicle electronic system
It is unable to operate normally.
During automobile use, the reason of leading to accumulator feeding, generally includes following two, the first is because storing
Fed caused by the excessive use of battery, for example, car owner get off it is flame-out after forget closing vehicle lamp (night-run lamp and indoor lamp etc.) into
And exhaust the electric energy in battery, be for second because vehicle it is inactive for a long time caused by accumulator feeding, due to vehicle electronics
The moment consumes electrostatic current in system, if vehicle leaves unused for a long time, these electrostatic currents also can gradually exhaust the electric energy in battery.
Existing vehicle does not install overdischarge protector additional individually to automobile storage battery in the configuration of factory, because
This not can avoid battery and feed phenomenon occurs, gently can then be brought not to the next of car owner with vehicle when battery is fed
Just, for example, because caused by accumulator feeding vehicle can not light a fire, it will cause the irreversible damages of battery for weight.
Utility model content
The purpose of this utility model is to provide a kind of Overdischarge protection device for storage battery and automobiles, not only can be to avoid vapour
Vehicle battery occur feed phenomenon, can also in the case where feed by reset control module pressure be connected battery,
Power circuit between Overdischarge protection device for storage battery and power load allows the operator to issue in accumulator feeding situation
Electrical automobile.
To achieve the goals above, the one side of the utility model provides a kind of Overdischarge protection device for storage battery, is located at
Between battery and each power load, which includes first switch, voltage stabilizing chip module, voltage signal judgment module, resets
One end of control module, igniter module and Drive Module, the first switch is connect with battery positive voltage, and described first opens
The other end of pass is connect with the input terminal of the input terminal of the voltage stabilizing chip module and the voltage signal judgment module respectively, institute
The output end for stating voltage signal judgment module is connect with the end CLK of the igniter module, the output for resetting control module
End is connect with the end CLR of the igniter module, the igniter moduleEnd and the input terminal of the Drive Module connect
Connect, the output end of the Drive Module is connect by each power load with battery terminal negative, the voltage stabilizing chip module it is defeated
Outlet respectively with it is described reset control module feeder ear, the feeder ear of the Drive Module and the PR of igniter module
End connection；
The voltage stabilizing chip module is used for respectively to the reset control module, the Drive Module and the trigger
The end PR of module provides burning voltage U1；
The voltage signal judgment module is for being arranged feed voltage threshold value U0, and the current voltage U2 of detection battery
Obtain CLK input signal；
The reset control module is used to change CLR input signal according to its reset state；
The igniter module is used for corresponding according to the CLK input signal, the CLR input signal and PR input signal
Export high level signal/low level signal；
The Drive Module is used to control first switch closure in input high level signal, or in input low level
First switch is controlled when signal to disconnect.
Specifically, the voltage signal judgment module includes voltage comparator, reference voltage source and feed threshold value setting group
Part, the reference voltage source and feed threshold value setting component are in parallel with the first switch respectively, the reference voltage source
Output end connect with the positive input of the voltage comparator, it is described feed threshold value setting component output end and the electricity
The reverse input end connection of comparator is pressed, the output end of the voltage comparator is connect with the end CLK of the igniter module；
The reference voltage source is used to provide reference voltage U3 to the positive input of the voltage comparator；
The feed threshold value setting component is used to that feed voltage threshold value U0 to be arranged, and according to feed voltage threshold value U0 and electric power storage
Detection voltage U4 is calculated in pond current voltage U2；
The voltage comparator is for benchmark voltage U3 and detects the size of voltage U4, as U3 >=U4, to described
The signal of the end CLK input is high level signal, is low level signal otherwise.
Further, the feed threshold value setting component includes first resistor R1With second resistance R2, the first resistor R1
One end connect with the first switch, the first resistor R1The other end respectively with the reversed input of the voltage comparator
End and the second resistance R2One end connection, the second resistance R2The other end ground connection；Wherein,
Optionally, the reset control module includes 3rd resistor R3, reset switch S1With capacitor C1, the 3rd resistor
R3One end connect with the output end of the voltage stabilizing chip module, the 3rd resistor R3The other end respectively with the trigger
The end CLR of module, the reset switch S1One end and the capacitor C1One end connection, the reset switch S1It is another
End and the capacitor C1The other end be grounded respectively；
The reset switch S1For changing CLR input signal according to its reset state, so that battery and each electricity consumption are negative
Load forms power circuit.
It preferably, further include the second switch being located between power load and battery terminal negative；
The Drive Module is also used to control second switch closure in input high level signal, or is inputting low electricity
When ordinary mail, control second switch is disconnected.
Preferably, further including the first relay and the second relay, one end of first relay and described second
One end of relay is connect with the output end of the Drive Module respectively, the other end of first relay and described second
The other end of relay is connect with the output end of the voltage stabilizing chip module respectively；
When Drive Module output is high level signal, first relay controls the first switch and closes
It closes, second relay controls the second switch closure；
When Drive Module output is low level signal, it is disconnected that second relay controls the first switch
It opens, second relay controls the second switch and disconnects.
It preferably, further include the wire jumper being located between the voltage signal judgment module and the igniter module, it is described
The first input end of wire jumper is connect with the output end of the voltage comparator, the second input terminal and BCM controller of the wire jumper
Connection, the output end of the wire jumper are connect with the end CLK of the igniter module.
Compared with prior art, Overdischarge protection device for storage battery provided by the utility model has the advantages that
In Overdischarge protection device for storage battery provided by the utility model, battery, first switch, voltage signal judge mould
Block, igniter module, Drive Module and power load are in turn connected to form circuit loop, and igniter module is also controlled with reset
The connection of molding block resets control mould specifically, the end CLK of the output end of voltage signal judgment module and igniter module connects
The output end of block and the end CLR of igniter module connect, and the output end of voltage stabilizing chip module and the end PR of igniter module connect,
Igniter moduleEnd is connect with the input terminal of Drive Module；Battery is preset using voltage signal judgment module in this way
Feed voltage threshold value U0, usual U0=12V, and the current output voltage U of real-time monitoring battery2Obtain CLK input letter
Number, corresponding CLR input signal is exported according to the reset state for resetting control module, according to voltage stabilizing chip module to trigger mould
The end the PR power supply state of block obtains PR input signal, so that igniter module is according to CLK input signal, CLR input signal and CLK
Input signal codetermines output high level signal/low level signal, so that igniter module is in output high level signal time control
First switch closure processed, forms the power circuit of automobile circuit, control first is opened when igniter module exports low level signal
Shutdown is opened, so that automobile circuit is off-state.
As it can be seen that since CLK input signal, CLR input signal and PR input signal codetermine the output of igniter module
Signal, therefore, when battery is converted to feed condition by non-feeding, can make because of the change of CLK input signal trigger by
Output high level signal switches to the low level signal of output, and corresponding first switch is switched to off-state by closed state,
At this point, battery enters over state；And in view of there are still retrofires under accumulator feeding state by driver
The demand of automobile, therefore the setting by resetting control module, allow the operator in the case where accumulator feeding, utilize
The reset function for resetting control module switches CLR input signal, and then igniter module is made to export high level signal again, forces
First switch is closed to form power circuit, so that driver can continue to start up the car in accumulator feeding.
The another aspect of the utility model provides a kind of automobile, protects including the battery overdischarge that above-mentioned technical proposal is mentioned
Protection unit.
Compared with prior art, the electric power storage that the beneficial effect Yu above-mentioned technical proposal of automobile provided by the utility model provide
The beneficial effect of pond overdischarge protector is identical, and this will not be repeated here.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the connection schematic diagram that Overdischarge protection device for storage battery is applied to automobile circuit in embodiment one；
Fig. 2 is the structural schematic diagram of Overdischarge protection device for storage battery in Fig. 1.
Appended drawing reference:
1- first switch, 2- voltage stabilizing chip module；
3- voltage signal judgment module, 4- reset control module；
5- igniter module, 6- Drive Module；
7- second switch, the first relay of 8-；
The second relay of 9-, 10-BCM controller；
11- wire jumper, 31- voltage comparator；
32- reference voltage source, 33- feed threshold value and component are arranged.
Specific embodiment
It is practical below in conjunction with this to keep the above objects, features, and advantages of the utility model more obvious and easy to understand
Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, institute
The embodiment of description is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, those of ordinary skill in the art's all other implementation obtained without creative labor
Example belongs to the range of the utility model protection.
Embodiment one
Fig. 1 and Fig. 2 are please referred to, Overdischarge protection device for storage battery provided in this embodiment is located at battery and each electricity consumption
Between load, which includes first switch 1, voltage stabilizing chip module 2, voltage signal judgment module 3, resets control module 4, touching
Hair device module 5 and Drive Module 6, one end of first switch 1 are connect with battery positive voltage, the other end difference of first switch 1
Connect with the input terminal of the input terminal of voltage stabilizing chip module 2 and voltage signal judgment module 3, voltage signal judgment module 3 it is defeated
Outlet is connect with the end CLK of igniter module 5, and the output end for resetting control module 4 is connect with the end CLR of igniter module 5, is touched
Send out device module 5End is connect with the input terminal of Drive Module 6, the output end of Drive Module 6 by each power load and
Battery terminal negative connection, the output end of voltage stabilizing chip module 2 respectively with reset the feeder ear of control module 4, Drive Module 6
The connection of the end PR of feeder ear and igniter module 5；
Voltage stabilizing chip module 2 to the end PR for resetting control module 4, Drive Module 6 and igniter module 5 for mentioning respectively
For burning voltage U1；
Voltage signal judgment module 3 is used to be arranged feed voltage threshold value U0, and the current voltage U2 of monitoring battery is obtained
To CLK input signal；
Control module 4 is resetted to be used to change CLR input signal according to its reset state；
Igniter module 5 is used for according to the corresponding output high level of CLK input signal, CLR input signal and PR input signal
Signal/low level signal；
Drive Module 6 is used to control first switch 1 in input high level signal and be closed, or believes in input low level
Number when, control first switch 1 disconnect.
In Overdischarge protection device for storage battery provided in this embodiment, battery, first switch 1, voltage signal judge mould
Block 3, igniter module 5, Drive Module 6 and power load are in turn connected to form circuit loop, and igniter module 5 is also and multiple
Position control module 4 connects, specifically, the output end of voltage signal judgment module 3 is connect with the end CLK of igniter module 5, resets
The output end of control module 4 is connect with the end CLR of igniter module 5, the output end and igniter module 5 of voltage stabilizing chip module 2
The end PR connection, igniter module 5End is connect with the input terminal of Drive Module 6；Judge in this way using voltage signal
Module 3 presets feed voltage the threshold value U0, usual U of battery0=12V, and the current output voltage U of real-time monitoring battery2
CLK input signal is obtained, corresponding CLR input signal is exported according to the reset state for resetting control module 4, according to voltage stabilizing chip
Module 2 obtains PR input signal to the end the PR power supply state of igniter module 5, believes so that igniter module 5 is inputted according to CLK
Number, CLR input signal and CLK input signal codetermine output high level signal/low level signal so that igniter module 5
First switch 1 is controlled when exporting high level signal to be closed, forms the power circuit of automobile circuit, is exported in igniter module 5
It controls first switch 1 when low level signal to disconnect, so that automobile circuit is off-state.
As it can be seen that since CLK input signal, CLR input signal and PR input signal codetermine the output of igniter module 5
Signal, therefore, when battery is converted to feed condition by non-feeding, can make because of the change of CLK input signal trigger by
Output high level signal switches to the low level signal of output, and corresponding first switch 1 is switched to off-state by closed state,
At this point, battery enters over state；And in view of there are still retrofires under accumulator feeding state by driver
The demand of automobile, therefore the setting by resetting control module 4, allow the operator in the case where accumulator feeding, benefit
Switch CLR input signal with the reset function for resetting control module 4, and then igniter module 5 made to export high level signal again,
The closure of first switch 1 is forced to form power circuit, so that driver can continue to start up the car in accumulator feeding.
It is understood that INPUT KL30 is connected to battery positive voltage in attached drawing 2, INPUT KL31 is connected to battery
Cathode.In addition, power load includes one of BCM controller 10, engine controller, car light or a variety of.
Specifically, referring to Fig. 2, the voltage signal judgment module 3 in above-described embodiment includes voltage comparator 31, benchmark
Voltage source 32 and feed threshold value be arranged component 33, reference voltage source 32 and feed threshold value be arranged component 33 respectively with first switch 1
The output end of parallel connection, reference voltage source 32 is connect with the positive input of voltage comparator 31, feed threshold value setting component 33
Output end is connect with the reverse input end of voltage comparator 31, the output end of voltage comparator 31 and the end CLK of igniter module 5
Connection；
Reference voltage source 32 is used to provide reference voltage U to the positive input of voltage comparator 313；
Feed threshold value setting component 33 is for being arranged feed voltage threshold value U0, and according to feed voltage threshold value U0And battery
Current voltage U2Detection voltage U is calculated4；
Voltage comparator 31 is used for benchmark voltage U3With detection voltage U4Size, work as U3≥U4When, it is defeated to the end CLK
The signal entered is high level signal, is low level signal otherwise.
Illustratively, please continue to refer to Fig. 2, feeding threshold value setting component 33 includes first resistor R1With second resistance R2, the
One resistance R1One end connect with first switch 1, first resistor R1The other end reverse input end with voltage comparator 31 respectively
With second resistance R2One end connection, second resistance R2The other end ground connection；Wherein,
When it is implemented, first resistor R1With second resistance R2Specification depend on accumulator feeding voltage threshold U0And base
Quasi- voltage U3Size, corresponding relationship are as follows:Illustratively, U0It is usually arranged as 12V, U3It is set as
2.5V, corresponding first resistor R1Resistance value be 9.5K Ω, second resistance R2Resistance value be 2.5K Ω.When battery current voltage
U2More than or equal to accumulator feeding voltage threshold U0When, obtained detection voltage U4Also it can be greater than or equal to 2.5V, i.e. voltage ratio
Compared with voltage (the detection voltage U of the reverse input end of device 314) it is greater than or equal to voltage (the reference voltage U of positive input3), this
When voltage comparator 31 output end export low level, conversely, work as battery current voltage U2Less than accumulator feeding voltage threshold
Value U0When, obtained detection voltage U4Also it can be less than 2.5V, i.e. voltage (the detection voltage of the reverse input end of voltage comparator 31
U4) it is less than voltage (the reference voltage U of positive input3), the output end of voltage comparator 31 exports high level at this time.
Illustratively, the reference voltage source 32 in above-described embodiment is TL431ACZ type, and voltage comparator 31 is LM339AD
Type, voltage stabilizing chip module 2 are LM2596-5.0 type.
It is powered to make the Overdischarge protection device for storage battery have the function of resetting, please refer to figure 2, above-mentioned implementation
Reset control module 4 in example includes 3rd resistor R3, reset switch S1With capacitor C1, 3rd resistor R3One end and pressure stabilizing core
The output end of piece module 2 connects, 3rd resistor R3The other end respectively with the end CLR of igniter module 5, reset switch S1One
End and capacitor C1One end connection, reset switch S1The other end and capacitor C1The other end be grounded respectively；Reset switch S1With
In changing CLR input signal according to its reset state, so that battery and each power load form power circuit.Illustratively,
3rd resistor R3Resistance value be 1k Ω, capacitor C1Capacitance is 1uF, reset switch S1For SW-PB type, igniter module 5 is
74LS74AD type, Drive Module 6 are Darlington transistor driver ULN2803 type.
Specifically, the truth table of 74LS74AD trigger is as follows:
It should be noted that " 1 " indicates that high level signal, " 0 " indicate that low level signal, " X " indicate in above-mentioned truth table
Arbitrary value, " ↓ " indicate that failing edge, " ↑ " indicate rising edge, and " holding " indicates to keep the current output state of trigger, " forbidding "
It indicates that the input signal for last column in truth table occur combination should be avoided, otherwise the trigger cannot be exported normally.
In conjunction with above-mentioned truth table it is found that working as the detection voltage U of battery4Less than feed voltage threshold value U0When, igniter module
5 PR input signal is " 1 ", and CLR input signal is " 1 ", when CLK input signal is " ↑ ", igniter module 5End output
" 0 ", and work as the detection voltage U of battery4Less than feed voltage threshold value U0And press reset switch S1When, the PR of igniter module 5
Input signal is " 1 ", and CLR input signal is " 0 ", when CLK input signal is " X ", igniter module 5End output " 1 ".
Optionally, please refer to figure 2, and the Overdischarge protection device for storage battery in above-described embodiment further includes being located at electricity consumption
Second switch 7 between load and battery terminal negative；Drive Module 6 is also used to control second in input high level signal and open
7 closures are closed, or controls second switch 7 in input low level signal and disconnects.
Further, please continue to refer to Fig. 2, the Overdischarge protection device for storage battery in above-described embodiment further include first after
One end of electric appliance 8 and the second relay 9, one end of the first relay 8 and the second relay 9 respectively with Drive Module 6
Output end connection, the other end output with voltage stabilizing chip module 2 respectively of the other end of the first relay 8 and the second relay 9
End connection；When Drive Module 6 output be high level signal when, the first relay 8 control first switch 1 be closed, second after
Electric appliance 9 controls second switch 7 and is closed；When the output of Drive Module 6 is low level signal, the second relay 9 control first
Switch 1 disconnects, and the second relay 9 controls second switch 7 and disconnects, and realizes that low pressure automatically powers off.Choosing the first relay 8/ the
During two relays 9, it is desirable that the electric current that 8/ second relay 9 of the first relay is able to bear should be greater than in each power load
Maximum current, the present embodiment is recommended to use the relay of 20A or more as 8/ second relay 9 of the first relay.
In view of the BCM controller 10 of existing vehicle is also with the detection function of battery voltage, therefore also using vapour
The included BCM controller 10 of vehicle completes the function of voltage signal judgment module 3, and specific implementation is as follows:
By the way that wire jumper 11, the first input end of wire jumper 11 are arranged between voltage signal judgment module 3 and igniter module 5
It is connect with the output end of voltage comparator 31, the second input terminal of wire jumper 11 is connect with BCM controller 10, the output end of wire jumper 11
It is connect with the end CLK of igniter module 5.It, both can be by voltage signal judgment module 3 to battery by the setting of wire jumper 11
Current voltage U2Feed detection is carried out, it can also be by BCM controller 10 to battery current voltage U2Feed detection is carried out, is enriched
To battery current voltage U2Detection means, while also improving the detection accuracy of voltage.
In addition, reference voltage source 32 in above-described embodiment, voltage comparator 31, voltage stabilizing chip module 2, igniter module 5,
The function of Drive Module 6 and the first relay 8 and the second relay 9 is that existing device or logic circuit can be realized
, the present embodiment only improves the wherein application of each device and connection relationship, and not to wherein each device
Function carry out any improvement, therefore no longer the internal structure of above-mentioned component is repeated.
Embodiment two
The utility model embodiment provides a kind of automobile, which includes that the battery overdischarge in embodiment one such as is protected
Protection unit.
Compared with prior art, the beneficial effect of automobile provided by the embodiment of the utility model and above-described embodiment one provide
Overdischarge protection device for storage battery beneficial effect it is identical, this will not be repeated here.
In the description of above embodiment, particular features, structures, materials, or characteristics can be at any one or more
It can be combined in any suitable manner in a embodiment or example.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (8)
1. a kind of Overdischarge protection device for storage battery is located between battery and each power load, which is characterized in that the device packet
It includes first switch, voltage stabilizing chip module, voltage signal judgment module, reset control module, igniter module and Drive Module,
One end of the first switch is connect with battery positive voltage, the other end of the first switch respectively with the voltage stabilizing chip module
Input terminal connected with the input terminal of the voltage signal judgment module, the output end of the voltage signal judgment module with it is described
The end CLK of igniter module connects, and the output end for resetting control module is connect with the end CLR of the igniter module, institute
State igniter moduleEnd is connect with the input terminal of the Drive Module, and the output end of the Drive Module passes through each use
Electric loading is connect with battery terminal negative, the power supply with the reset control module respectively of the output end of the voltage stabilizing chip module
The end the PR connection at end, the feeder ear of the Drive Module and igniter module；
The voltage stabilizing chip module is used for respectively to the reset control module, the Drive Module and the igniter module
The end PR provide burning voltage U1；
The voltage signal judgment module is for being arranged feed voltage threshold value U0, and the current voltage U of monitoring battery2It obtains
CLK input signal；
The reset control module is used to change CLR input signal according to its reset state；
The igniter module is used to export according to the CLK input signal, the CLR input signal and PR input signal are corresponding
High level signal/low level signal；
The Drive Module is used to control first switch closure in input high level signal, or in input low level signal
When, control first switch disconnects.
2. Overdischarge protection device for storage battery according to claim 1, which is characterized in that the voltage signal judgment module
Including voltage comparator, reference voltage source and feed threshold value, component, the reference voltage source and feed threshold value setting are set
Component is in parallel with the first switch respectively, the positive input of the output end of the reference voltage source and the voltage comparator
The output end of connection, the feed threshold value setting component is connect with the reverse input end of the voltage comparator, the voltage ratio
It is connect compared with the output end of device with the end CLK of the igniter module；
The reference voltage source is used to provide reference voltage U to the positive input of the voltage comparator3；
The feed threshold value setting component is for being arranged feed voltage threshold value U0, and according to feed voltage threshold value U0Work as with battery
Preceding voltage U2Detection voltage U is calculated4；
The voltage comparator is used for benchmark voltage U3With detection voltage U4Size, work as U3≥U4When, it is defeated to the end CLK
The signal entered is high level signal, is low level signal otherwise.
3. Overdischarge protection device for storage battery according to claim 2, which is characterized in that component is arranged in the feed threshold value
Including first resistor R1With second resistance R2, the first resistor R1One end connect with the first switch, the first resistor
R1The other end respectively with the reverse input end of the voltage comparator and the second resistance R2One end connection, described second
Resistance R2The other end ground connection；Wherein,
4. Overdischarge protection device for storage battery according to claim 2, which is characterized in that the reset control module includes
3rd resistor R3, reset switch S1With capacitor C1, the 3rd resistor R3One end and the voltage stabilizing chip module output end connect
It connects, the 3rd resistor R3The other end respectively with the end CLR of the igniter module, the reset switch S1One end and
The capacitor C1One end connection, the reset switch S1The other end and the capacitor C1The other end be grounded respectively；
The reset switch S1For changing CLR input signal according to its reset state, so that battery is formed with each power load
Power circuit.
5. Overdischarge protection device for storage battery according to claim 2, which is characterized in that further include be located at power load with
Second switch between battery terminal negative；
The Drive Module is also used to control second switch closure in input high level signal, or believes in input low level
Number when control second switch disconnect.
6. Overdischarge protection device for storage battery according to claim 5, which is characterized in that further include the first relay and
One end of two relays, one end of first relay and second relay is defeated with the Drive Module respectively
Outlet connection, the other end of the other end of first relay and second relay respectively with the voltage stabilizing chip module
Output end connection；
When Drive Module output is high level signal, first relay controls the first switch closure,
Second relay controls the second switch closure；
When Drive Module output is low level signal, second relay controls the first switch and disconnects,
Second relay controls the second switch and disconnects.
7. Overdischarge protection device for storage battery according to claim 2, which is characterized in that further include being located at the voltage letter
Wire jumper number between judgment module and the igniter module, the first input end of the wire jumper are defeated with the voltage comparator
Outlet connection, the second input terminal of the wire jumper are connect with BCM controller, the output end of the wire jumper and the igniter module
The end CLK connection.
8. a kind of automobile, which is characterized in that including Overdischarge protection device for storage battery of any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820381158.1U CN208369236U (en) | 2018-03-20 | 2018-03-20 | A kind of Overdischarge protection device for storage battery and automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820381158.1U CN208369236U (en) | 2018-03-20 | 2018-03-20 | A kind of Overdischarge protection device for storage battery and automobile |
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| CN208369236U true CN208369236U (en) | 2019-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288867A (en) * | 2018-03-20 | 2018-07-17 | 汽-大众汽车有限公司 | A kind of Overdischarge protection device for storage battery and automobile |
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2018
- 2018-03-20 CN CN201820381158.1U patent/CN208369236U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288867A (en) * | 2018-03-20 | 2018-07-17 | 汽-大众汽车有限公司 | A kind of Overdischarge protection device for storage battery and automobile |
| CN108288867B (en) * | 2018-03-20 | 2024-04-26 | 一汽-大众汽车有限公司 | Over-discharge protection device for storage battery and automobile |
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