CN206226085U - Lithium battery heating protecting device - Google Patents
Lithium battery heating protecting device Download PDFInfo
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- CN206226085U CN206226085U CN201621358055.0U CN201621358055U CN206226085U CN 206226085 U CN206226085 U CN 206226085U CN 201621358055 U CN201621358055 U CN 201621358055U CN 206226085 U CN206226085 U CN 206226085U
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Abstract
The utility model discloses a kind of lithium battery heating protecting device, including constant current source module, internal pressure acquisition module, voltage acquisition module, current acquisition module, reference voltage module, analog voltage comparison module, light-coupled isolation module and breaker；Constant current source module is connected with internal pressure acquisition module, internal pressure acquisition module, voltage acquisition module, current acquisition module are connected with lithium battery module, internal pressure acquisition module, voltage acquisition module, current acquisition module are connected with the first input end of corresponding analog voltage comparison module respectively, the output end of corresponding reference voltage module is connected with the second input of each analog voltage comparison module respectively, input of the output end of each analog voltage comparison module with light-coupled isolation module is connected, and the output end of light-coupled isolation module is connected with breaker.There is abnormality, protection lithium battery performance, quality in lithium battery during the utility model prevents use environment heating process.
Description
Technical field
The utility model belongs to lithium battery control field of circuit technology, is related to a kind of lithium battery heating protecting device.
Background technology
In all of environmental factor, temperature influences maximum to the charge-discharge performance of battery, on electrode/electrolyte interface
Electrochemical reaction it is relevant with environment, electrode/electrolyte interface is considered as the heart of battery, if temperature drop, electrode it is anti-
Should rate also decline, discharge current reduction, the power output of battery can also decline.Therefore in order to ensure the output performance of lithium battery,
The capacity and service life of lithium battery are protected, lithium battery use environment is heated when temperature is too low.But add
Accelerate the activity of ion in thermal process, the battery cell of brownout can be made exception occur, and abnormal battery cell can be accelerated to damage
Bad speed.Therefore when temperature is less than normal temperature in use, not only temperature control is carried out to lithium battery, while will also be in temperature control
During real-time monitoring lithium battery preserve state and working condition, prevent abnormality from occurring, cause serious consequence.
Utility model content
In order to achieve the above object, the utility model provides a kind of lithium battery heating protecting device, prevents use environment from adding
There is abnormality, protection lithium battery performance, quality in lithium battery in thermal process.
The technical scheme that the utility model is used is, a kind of lithium battery heating protecting device, including constant current source module, interior
Pressure acquisition module, voltage acquisition module, current acquisition module, reference voltage module, analog voltage comparison module, light-coupled isolation mould
Block and breaker；Constant current source module is connected with internal pressure acquisition module, internal pressure acquisition module, voltage acquisition module, current acquisition mould
Block is connected with lithium battery module, and internal pressure acquisition module, voltage acquisition module, current acquisition module are electric with corresponding simulation respectively
The first input end connection of comparison module is pressed, the output end of corresponding reference voltage module compares mould with each analog voltage respectively
The second input connection of block, the input of the output end of each analog voltage comparison module with light-coupled isolation module is connected,
The output end of light-coupled isolation module is connected with breaker.
Of the present utility model to be further characterized in that, further, the constant current source module includes electric capacity C11, resistance R1, resistance
R21, diode D11, voltage-regulator diode D21, triode BG21, triode BG11, resistance R31, electric capacity C11, resistance R1, resistance
One end of R21 is connected with VCC voltage ends, and the other end of electric capacity C11 is connected with the colelctor electrode of triode BG11, and resistance R1's is another
One end is connected with the emitter stage of triode BG11, the positive pole of the other end connection diode D11 of resistance R21, and diode D11's is negative
Pole base stage respectively with triode BG11, the colelctor electrode of triode BG21 are connected, base stage and the triode BG11 of triode BG21
Colelctor electrode connection, the emitter stage of triode BG21 is connected with one end of resistance R31, the other end of resistance R31 and the pole of voltage stabilizing two
The positive pole connection of pipe D21, the positive pole of voltage-regulator diode D21 is connected with internal pressure acquisition module (2), the negative pole of voltage-regulator diode D21
Colelctor electrode with triode BG11 is connected.
Further, the internal pressure acquisition module includes pressure sensor, the model BX120 of pressure sensor, pressure
Sensor one end is connected with Pout ends, another termination GND ground of pressure sensor.
Further, the voltage acquisition module includes amplifier, resistance R6, adjustable resistance R63, voltage-regulator diode D61,
The model IN5233B of the model LM339 of amplifier, voltage-regulator diode D61, the pin 3 of amplifier is connected with lithium battery anode, puts
The pin 4 of big device is connected with one end of resistance R6, while the negative pole of voltage-regulator diode D61 is connected, the other end connection of resistance R61
Lithium battery anode, the other end connection GND ground of voltage-regulator diode D61, the pin 5 of amplifier and the adjustable end of adjustable resistance R63
Connection, one end connection lithium battery anode of adjustable resistance R63, the other end connection GND ground of adjustable resistance R63, amplifier draws
The connection GND of pin 12 ground, the pin 2 of amplifier is the output end of voltage acquisition module.
Further, the current acquisition module include integration module, amplifier, resistance R41, resistance R42, resistance R43,
Adjustable resistance R44, the model ACS706ELC-20A of integration module, the model OPA2227 of amplifier, the pin of integration module
1st, pin 2 is all connected with GND, the pin 3 of integration module, pin 4, the connection GND of pin 5 ground, the pin 8 of integration module with
VCC voltages are connected, and the pin 7 of integration module is connected with resistance R41 one end, the pin 2 of amplifier respectively with resistance R43 and adjustable
One end connection of resistance R44, another termination reference voltage Vref end of resistance R43, another termination amplifier of adjustable resistance R44
Pin 1, the one end of the pin 3 of amplifier respectively with resistance R41 and resistance R42 is connected, and the other end connection of resistance R41 is integrated
The pin 7 of module, another termination GND ground of resistance R42, the pin 1 of amplifier is the output end of current acquisition module.
Further, the reference voltage module includes integrated three-terminal regulator block, and the pin 3 of integrated three-terminal regulator block is defeated
Enter end, the pin 2 of integrated three-terminal regulator block is output end；The pin 3 of integrated three-terminal regulator block connects VCC voltage ends, two respectively
The negative pole of pole pipe D4, the positive pole of diode D4 connects the pin 2 of integrated three-terminal regulator block, and it is steady that resistance R4 one end connects integrated three end
The pin 2 of briquetting, the resistance R4 other ends are connected with piezo-resistance R5 one end, the pin of the integrated three-terminal regulator block of Node connectedness of connecting
1, piezo-resistance the R5 other end one end respectively with electric capacity C4, one end of electric capacity C3, one end of electric capacity C5 are connected, and electric capacity C4's is another
One end connects the pin 1 of integrated three-terminal regulator block, and the other end of electric capacity C3 connects the pin 3 of integrated three-terminal regulator block；Electric capacity C5
The other end be connected with the pin 2 of integrated three-terminal regulator block.
Further, the analog voltage comparison module includes three comparison circuits, and three comparison circuits include voltage
Comparator and resistance R10, the model LM339 of voltage comparator；Three pins of the voltage comparator of comparison circuit 12 meet GND
Ground, the connection VCC voltage ends of pin 3, connects resistance R10 between pin 2 and pin 3, pin 5 connects the output of reference voltage module
End；The pin 4 of the voltage comparator of first via comparison circuit connects the output end of internal pressure acquisition module, and pin 2 connects and door pin 1；
The pin 4 of the voltage comparator of No. second comparison circuit connects the output end of voltage acquisition module, the pin 2 of voltage comparator connect with
Door pin 2；The pin 4 of the voltage comparator of No. threeth comparison circuit connects the output end of current acquisition module, voltage comparator
Pin 2 connects and door pin 5；It is connected with door pin 3 and with door pin 4.
Further, the light-coupled isolation module includes optocoupler, the model optocoupler TLP521 of optocoupler, luminous the two of optocoupler
Level and is connected pipe positive pole with door pin 6, and the Light-Emitting Diode negative pole of optocoupler is connected with one end of resistance R11, and resistance R11's is another
Termination GND ground, the transistor emitter of optocoupler is connected with one end of resistance R12, the other end of resistance R12 and the one of resistance R13
End series connection, the other end of resistance R13 is connected with the earth terminal of resistance R11；The transistor collector connection VSS ends of optocoupler.
Further, the breaker include triode BG3, switch K1, resistance R12 and resistance R13 connect node and
The base stage connection of triode BG3, the emitter stage of triode BG3 is connected with the earth terminal of resistance R11, the colelctor electrode of triode BG3
One end with switch K1 is connected, and the other end for switching K1 is connected with VSS ends, the collection of the positive pole connecting triode BG3 of diode D5
Electrode, the negative pole connection VSS ends of diode D5.
The beneficial effects of the utility model are：The utility model lithium battery heating protecting device can effectively prevent lithium electricity
There is abnormality in lithium battery in the heating process of pond, it is ensured that the performance of lithium battery, actual capacity and service life, prevents
Due to the serious consequence that battery is produced extremely.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of the utility model embodiment.
Fig. 2 is the circuit theory diagrams of the utility model embodiment.
In figure, 1. constant current source module, 2. internal pressure acquisition module, 3. voltage acquisition module, 4. current acquisition module, 5. refers to
Voltage module, 6. analog voltage comparison module, 7. light-coupled isolation module, 8. breaker, 9. lithium battery module.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
The utility model lithium battery heating protecting device, including constant current source module 1, internal pressure acquisition module 2, voltage acquisition mould
Block 3, current acquisition module 4, reference voltage module 5, analog voltage comparison module 6, light-coupled isolation module 7 and breaker 8.Constant current
Source module 1 is connected with internal pressure acquisition module 2, and internal pressure acquisition module 2, voltage acquisition module 3, current acquisition module 4 are electric with lithium
Pond module 9 is connected, and internal pressure acquisition module 2 is acquired to the internal pressure of lithium battery, and voltage acquisition module 3 is defeated to lithium electricity power supply
Go out voltage to be detected, current acquisition module 4 detects lithium electricity power supply output current, and current signal is converted into electricity
Pressure signal；Internal pressure acquisition module 2, voltage acquisition module 3, current acquisition module 4 respectively with corresponding analog voltage comparison module 6
First input end connection, the output end of corresponding reference voltage module 5 is respectively with the second of each analog voltage comparison module 6
Input is connected, and the input of the output end of each analog voltage comparison module 6 with light-coupled isolation module 7 be connected, to simulating
The output signal of voltage comparison module 6 is isolated and is amplified, and the output end of light-coupled isolation module 7 is connected with breaker 8, root
Conducting and closure according to the output control breaker 8 of analog voltage comparison module 6.
Constant current source module 1 includes electric capacity C11, resistance R1, resistance R21, diode D11, voltage-regulator diode D21, triode
BG21, triode BG11, resistance R31, electric capacity C11, resistance R1, one end of resistance R21 are connected with VCC voltage ends, electric capacity C11
The other end be connected with the colelctor electrode of triode BG11, the other end of resistance R1 is connected with the emitter stage of triode BG11, resistance
The positive pole of the other end connection diode D11 of R21, the negative pole of diode D11 base stage, triode respectively with triode BG11
The colelctor electrode connection of BG21, the base stage of triode BG21 is connected with the colelctor electrode of triode BG11, the emitter stage of triode BG21
One end with resistance R31 is connected, and the other end of resistance R31 is connected with the positive pole of voltage-regulator diode D21, voltage-regulator diode D21's
Positive pole is connected with internal pressure acquisition module 2, and the negative pole of voltage-regulator diode D21 is connected with the colelctor electrode of triode BG11.
Internal pressure acquisition module 2 includes pressure sensor, and pressure sensor one end is connected with Pout ends, and pressure sensor is another
Termination GND ground；The model BX120 of pressure sensor, for gathering the internal pressure of battery.
Voltage acquisition module 3 includes amplifier, resistance R6, adjustable resistance R63, voltage-regulator diode D61, the model of amplifier
The model IN5233B of LM339, voltage-regulator diode D61, the pin 3 of amplifier is connected with lithium battery anode, the pin 4 of amplifier
One end with resistance R6 is connected, while the negative pole of voltage-regulator diode D61 is connected, the other end connection lithium battery anode of resistance R61,
The other end connection GND ground of voltage-regulator diode D61, the pin 5 of amplifier is connected with the adjustable end of adjustable resistance R63, adjustable electric
Hinder one end connection lithium battery anode of R63, the other end connection GND ground of adjustable resistance R63, the connection of pin 12 GND of amplifier
Ground, the pin 2 of amplifier is the output end (Vout ends) of voltage acquisition module 3.
Current acquisition module 4 includes integration module, amplifier, resistance R41, resistance R42, resistance R43, adjustable resistance R44,
The model ACS706ELC-20A of integration module, the model OPA2227 of amplifier, the pin 1 of integration module, pin 2 are all connected with
GND, the pin 3 of integration module, pin 4, the connection GND of pin 5 ground, the pin 8 of integration module is connected with VCC voltages, collects
Pin 7 into module is connected with resistance R41 one end, the pin 2 of amplifier respectively with resistance R43 and one end of adjustable resistance R44
Connection, another termination reference voltage Vref end of resistance R43, the pin 1 of another termination amplifier of adjustable resistance R44 amplifies
The one end of the pin 3 of device respectively with resistance R41 and resistance R42 is connected, and the other end of resistance R41 connects the pin 7 of integration module,
Another termination GND ground of resistance R42, the pin 1 of amplifier is the output end (Iout ends) of current acquisition module 4.
Reference voltage module 5 includes integrated three-terminal regulator block, and the pin 3 of integrated three-terminal regulator block is input, integrated three
The pin 2 for holding regulator block is output end；The pin 3 of integrated three-terminal regulator block connect respectively VCC voltage ends, diode D4 it is negative
Pole, the positive pole of diode D4 connects the pin 2 of integrated three-terminal regulator block, and resistance R4 one end connects the pin of integrated three-terminal regulator block
2, the resistance R4 other ends are connected with piezo-resistance R5 one end, the pin 1 of the integrated three-terminal regulator block of Node connectedness of connecting, piezo-resistance
R5 other ends one end respectively with electric capacity C4, one end of electric capacity C3, one end of electric capacity C5 are connected, the other end connection collection of electric capacity C4
Into the pin 1 of three-terminal regulator block, the other end of electric capacity C3 connects the pin 3 of integrated three-terminal regulator block；The other end of electric capacity C5 with
The pin 2 of integrated three-terminal regulator block is connected.
Analog voltage comparison module 6 includes three comparison circuits, and three comparison circuits include voltage comparator and resistance
R10, the model LM339 of voltage comparator；Three pins of the voltage comparator of comparison circuit 12 are grounded, the connection of pin 3 VCC
Voltage end, connects resistance R10 between pin 2 and pin 3, pin 5 connects the output end of reference voltage module 5；The first via compares
The pin 4 of the voltage comparator of circuit connects the output end of internal pressure acquisition module 2, and pin 2 connects and door pin 1；Second tunnel is more electric
The pin 4 of the voltage comparator on road connects the output end of voltage acquisition module 3, and the pin 2 of voltage comparator connects and door pin 2；The
The pin 4 of the voltage comparator of No. three comparison circuits connects the output end of current acquisition module 4, the pin 2 of voltage comparator connect with
Door pin 5；It is connected with door pin 3 and with door pin 4.
Light-coupled isolation module 7 include optocoupler, the model optocoupler TLP521 of optocoupler, the Light-Emitting Diode positive pole of optocoupler and with
Door pin 6 is connected, and the Light-Emitting Diode negative pole of optocoupler is connected with one end of resistance R11, the other end ground connection of resistance R11, optocoupler
Transistor emitter be connected with one end of resistance R12, the other end of resistance R12 is connected with one end of resistance R13, resistance R13
The other end be connected with the earth terminal of resistance R11；The transistor collector connection VSS ends of optocoupler.
Breaker 8 includes connect node and the base of triode BG3 of triode BG3, switch K1, resistance R12 and resistance R13
Pole connects, and the emitter stage of triode BG3 be connected with the earth terminal of resistance R11, the colelctor electrode of triode BG3 and switchs one end of K1
Connection, the other end for switching K1 is connected with VSS ends, the colelctor electrode of the positive pole connecting triode BG3 of diode D5, diode D5's
Negative pole connection VSS ends.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or equipment including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or equipment institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including institute
Also there is other identical element in process, method, article or the equipment of stating key element.
Preferred embodiment of the present utility model is the foregoing is only, protection model of the present utility model is not intended to limit
Enclose.All any modification, equivalent substitution and improvements made within spirit of the present utility model and principle etc., are all contained in this reality
With in new protection domain.
Claims (9)
1. a kind of lithium battery heating protecting device, it is characterised in that including constant current source module (1), internal pressure acquisition module (2), electricity
Pressure acquisition module (3), current acquisition module (4), reference voltage module (5), analog voltage comparison module (6), light-coupled isolation mould
Block (7) and breaker (8)；Constant current source module (1) is connected with internal pressure acquisition module (2), internal pressure acquisition module (2), voltage acquisition
Module (3), current acquisition module (4) are connected with lithium battery module (9), internal pressure acquisition module (2), voltage acquisition module (3),
Current acquisition module (4) is connected with the first input end of corresponding analog voltage comparison module (6) respectively, corresponding reference voltage
Second input of the output end of module (5) respectively with each analog voltage comparison module (6) is connected, and each analog voltage compares
Input of the output end of module (6) with light-coupled isolation module (7) is connected, output end and the open circuit of light-coupled isolation module (7)
Device (8) is connected.
2. a kind of lithium battery heating protecting device according to claim 1, it is characterised in that the constant current source module (1)
Including electric capacity C11, resistance R1, resistance R21, diode D11, voltage-regulator diode D21, triode BG21, triode BG11, resistance
R31, electric capacity C11, resistance R1, one end of resistance R21 are connected with VCC voltage ends, the other end and the triode BG11 of electric capacity C11
Colelctor electrode connection, the other end of resistance R1 is connected with the emitter stage of triode BG11, and the other end of resistance R21 connects diode
The positive pole of D11, the negative pole of diode D11 base stage respectively with triode BG11, the colelctor electrode of triode BG21 are connected, triode
The base stage of BG21 is connected with the colelctor electrode of triode BG11, and the emitter stage of triode BG21 is connected with one end of resistance R31, resistance
The other end of R31 is connected with the positive pole of voltage-regulator diode D21, and the positive pole of voltage-regulator diode D21 is with internal pressure acquisition module (2) even
Connect, the negative pole of voltage-regulator diode D21 is connected with the colelctor electrode of triode BG11.
3. a kind of lithium battery heating protecting device according to claim 1, it is characterised in that the internal pressure acquisition module
(2) including pressure sensor, the model BX120 of pressure sensor, pressure sensor one end is connected with Pout ends, pressure sensing
Another termination GND ground of device.
4. a kind of lithium battery heating protecting device according to claim 1, it is characterised in that the voltage acquisition module
(3) including amplifier, resistance R6, adjustable resistance R63, voltage-regulator diode D61, the model LM339 of amplifier, voltage-regulator diode
The model IN5233B of D61, the pin 3 of amplifier is connected with lithium battery anode, and the pin 4 of amplifier connects with one end of resistance R6
Connect, while the negative pole of voltage-regulator diode D61 is connected, the other end connection lithium battery anode of resistance R61, voltage-regulator diode D61's
Other end connection GND ground, the pin 5 of amplifier is connected with the adjustable end of adjustable resistance R63, one end connection of adjustable resistance R63
Lithium battery anode, the other end connection GND ground of adjustable resistance R63, the connection GND of pin 12 ground of amplifier, the pin 2 of amplifier
It is the output end of voltage acquisition module (3).
5. a kind of lithium battery heating protecting device according to claim 1, it is characterised in that the current acquisition module
(4) including integration module, amplifier, resistance R41, resistance R42, resistance R43, adjustable resistance R44, the model of integration module
ACS706ELC-20A, the model OPA2227 of amplifier, the pin 1 of integration module, pin 2 are all connected with GND, integrated mould
The pin 3 of block, pin 4, the connection GND of pin 5 ground, the pin 8 of integration module are connected with VCC voltages, the pin 7 of integration module and
Resistance R41 one end connects, and the one end of the pin 2 of amplifier respectively with resistance R43 and adjustable resistance R44 is connected, and resistance R43's is another
One termination reference voltage Vref end, the pin 1 of another termination amplifier of adjustable resistance R44, the pin 3 of amplifier respectively with electricity
One end connection of R41 and resistance R42 is hindered, the other end of resistance R41 connects the pin 7 of integration module, another terminations of resistance R42
GND ground, the pin 1 of amplifier is the output end of current acquisition module (4).
6. a kind of lithium battery heating protecting device according to claim 1, it is characterised in that the reference voltage module
(5) including integrated three-terminal regulator block, the pin 3 of integrated three-terminal regulator block is input, and the pin 2 of integrated three-terminal regulator block is defeated
Go out end；The pin 3 of integrated three-terminal regulator block connects VCC voltage ends, the negative pole of diode D4, the positive pole connection of diode D4 respectively
The pin 2 of integrated three-terminal regulator block, resistance R4 one end connects the pin 2 of integrated three-terminal regulator block, the resistance R4 other ends with it is pressure-sensitive
Resistance R5 one end connect, connect the integrated three-terminal regulator block of Node connectedness pin 1, the piezo-resistance R5 other ends respectively with electric capacity C4
One end, one end of electric capacity C3, one end connection of electric capacity C5, the other end of electric capacity C4 connects the pin 1 of integrated three-terminal regulator block,
The other end of electric capacity C3 connects the pin 3 of integrated three-terminal regulator block；The pin 2 of the other end of electric capacity C5 and integrated three-terminal regulator block
Connection.
7. a kind of lithium battery heating protecting device according to claim 1, it is characterised in that the analog voltage compares mould
Block (6) includes three comparison circuits, and three comparison circuits include voltage comparator and resistance R10, the model of voltage comparator
It is LM339；Three pins of the voltage comparator of comparison circuit 12 connect GND ground, the connection VCC voltage ends of pin 3, pin 2 with draw
Resistance R10, the output end of connection reference voltage module of pin 5 (5) are connected between pin 3；The voltage ratio of first via comparison circuit compared with
The pin 4 of device connects the output end of internal pressure acquisition module (2), and pin 2 connects and door pin 1；The voltage ratio of No. second comparison circuit compared with
The pin 4 of device connects the output end of voltage acquisition module (3), and the pin 2 of voltage comparator connects and door pin 2；3rd tunnel is more electric
The pin 4 of the voltage comparator on road connects the output end of current acquisition module (4), and the pin 2 of voltage comparator connects and door pin 5；
It is connected with door pin 3 and with door pin 4.
8. a kind of lithium battery heating protecting device according to claim 7, it is characterised in that the light-coupled isolation module
(7) including optocoupler, the model optocoupler TLP521 of optocoupler and is connected the Light-Emitting Diode positive pole of optocoupler with door pin 6, optocoupler
Light-Emitting Diode negative pole is connected with one end of resistance R11, the other end ground connection of resistance R11, transistor emitter and the electricity of optocoupler
One end connection of R12 is hindered, the other end of resistance R12 is connected with one end of resistance R13, and the other end of resistance R13 is with resistance R11's
Earth terminal is connected；The transistor collector connection VSS ends of optocoupler.
9. a kind of lithium battery heating protecting device according to claim 8, it is characterised in that the breaker (8) includes
Triode BG3, the series connection node of switch K1, resistance R12 and resistance R13 are connected with the base stage of triode BG3, triode BG3's
Emitter stage is connected with the earth terminal of resistance R11, and the colelctor electrode of triode BG3 is connected with one end of switch K1, and switch K1's is another
End is connected with VSS ends, the colelctor electrode of the positive pole connecting triode BG3 of diode D5, the negative pole connection VSS ends of diode D5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358055.0U CN206226085U (en) | 2016-12-12 | 2016-12-12 | Lithium battery heating protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358055.0U CN206226085U (en) | 2016-12-12 | 2016-12-12 | Lithium battery heating protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206226085U true CN206226085U (en) | 2017-06-06 |
Family
ID=58784896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621358055.0U Expired - Fee Related CN206226085U (en) | 2016-12-12 | 2016-12-12 | Lithium battery heating protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206226085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365279A (en) * | 2018-02-02 | 2018-08-03 | 合肥国轩高科动力能源有限公司 | Adjusting device and adjusting method for automatically adjusting distributed current based on PTC |
| CN109860955A (en) * | 2019-01-31 | 2019-06-07 | 欣旺达电子股份有限公司 | Heater circuit and device |
-
2016
- 2016-12-12 CN CN201621358055.0U patent/CN206226085U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365279A (en) * | 2018-02-02 | 2018-08-03 | 合肥国轩高科动力能源有限公司 | Adjusting device and adjusting method for automatically adjusting distributed current based on PTC |
| CN108365279B (en) * | 2018-02-02 | 2020-05-22 | 合肥国轩高科动力能源有限公司 | Adjusting device and adjusting method for automatically adjusting distributed current based on PTC |
| CN109860955A (en) * | 2019-01-31 | 2019-06-07 | 欣旺达电子股份有限公司 | Heater circuit and device |
| CN109860955B (en) * | 2019-01-31 | 2020-12-29 | 欣旺达电子股份有限公司 | Heating circuit and device |
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