CN208655844U - Thermal runaway automatic cooling device for lithium ion battery module of new energy automobile - Google Patents
Thermal runaway automatic cooling device for lithium ion battery module of new energy automobile Download PDFInfo
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- CN208655844U CN208655844U CN201821493462.1U CN201821493462U CN208655844U CN 208655844 U CN208655844 U CN 208655844U CN 201821493462 U CN201821493462 U CN 201821493462U CN 208655844 U CN208655844 U CN 208655844U
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- China
- Prior art keywords
- temperature
- energy automobile
- chip microcontroller
- cell module
- thermal runaway
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- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 229910001416 lithium ion Inorganic materials 0.000 title abstract description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 241000519996 Teucrium chamaedrys Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Abstract
The utility model discloses new energy automobile lithium ion battery module's thermal runaway automatic cooling heat sink relates to battery cooling heat sink, especially a lithium ion battery module thermal runaway's automatic cooling heat sink to new energy automobile. Comprises a liquid circulation cooling part, a temperature monitoring part, a control part and an auxiliary device part; the temperature monitoring part and the liquid circulation cooling part are respectively connected with the control part. The utility model has the advantages of automatic control, easy operation and cooling are effectual. Can carry out the temperature judgement when lithium cell temperature risees, take tertiary cooling to the lithium ion battery module of new energy automobile, avoid lithium ion battery module because its self temperature constantly risees, lead to the lithium ion battery module to take place thermal runaway, form the domino effect, cause huge casualties and loss of property.
Description
Technical field
It is cold that the automatic cooling device of thermal runaway of the utility model new-energy automobile lithium ionic cell module is related to battery
But cooling device, the automatic cooling device of especially a kind of lithium ionic cell module thermal runaway for new-energy automobile.
Background technique
With new energy industrial expansion, lithium ion battery is widely used in daily electronic equipment, and gradual
Scale, integrated is moved towards, and the lithium ionic cell module accident of frequent new-energy automobile still restricts the development of industry.
New-energy automobile uses Li-ion batteries piles, in case of fire explosion, caused by harm and loss compare lithium-ion electric
Pond monomer seriously much, is mainly due to the propagation of lithium ion battery thermal runaway, can generate Domino effect.
Today's society, lithium ionic cell module due to have transmission voltage is high, energy density is big, have extended cycle life, it is low from
The excellent performances such as discharge rate, memory-less effect have been widely used in people's lives, in production.However, lithium ion battery mould
Accident caused by block thermal runaway is commonplace, serious to result even in charging pile and self-burning of vehicle.Therefore, the safety of battery
Problem has been not only a technical problem, and has been increasingly becoming a social concern urgently to be resolved.
Utility model content
The purpose of this utility model is to provide a kind of new-energy automobile lithium ionic cell module in view of the above shortcomings
The automatic cooling device of thermal runaway, the device provide three-level and cool, can be in the lithium ion battery mould of new-energy automobile
Block thermal runaway initial stage is cooled down, and avoids the lithium ionic cell module of new-energy automobile that thermal runaway occurs.
The utility model adopts the following technical solutions to achieve:
The automatic cooling device of the thermal runaway of new-energy automobile lithium ionic cell module include liquid circulation cooling part,
Temperature monitoring part, control section and auxiliary device part；Temperature monitoring part and liquid circulation cooling part respectively with control
Part is connected；
Liquid circulation cooling part includes copper pipe, starting pump and liquid cooling component, and liquid cooling component uses liquid nitrogen and water pot, starting
Pump includes that the first starting pump and the second starting pump pass through after being connected between the first starting pump and the second starting pump by tee tube
Liquid cooling component is connected with lithium ionic cell module；
Temperature monitoring part is made of temperature sensor and thermocouple；It is opened by single-chip microcontroller, pin interface, single-point control section
It closes and electric wire forms；Auxiliary device part is made of fixed value resistance, crystal oscillator, ceramic condenser, potentiometer and power interface；Pin
Interface connects with single-chip microcontroller；Temperature sensor connects with pin interface；Thermocouple connects with pin interface；First starting pump and the
Two starting pumps connect with pin interface respectively；Ceramic condenser is connected through crystal oscillator with single-chip microcontroller, the other end and single-point of ceramic condenser
Switch is connected.
The pin interface is USB interface, connects for single-chip microcontroller with the external world and provides interface.
The single-chip microcontroller uses MSC-51 type single-chip microcontroller.
It is connected between the liquid cooling component and lithium ionic cell module by copper pipe.
When utility model device works, measured by infrared temperature sensor from the positive extreme direction of lithium ionic cell module
Temperature, through connecting with single-chip microcontroller pin interface, signal is reached progress temperature judgement in single-chip microcontroller by via line, and wherein thermocouple is used
In measuring the temperature from copper pipe surface, through connecting with single-chip microcontroller pin interface, signal is reached in single-chip microcontroller and is carried out by via line
Temperature judgement, also via line is connected starting pump with the single-chip microcontroller for carrying out temperature judgement simultaneously.Pin interface via line and MSC-51
Type single-chip microcontroller connects, and ceramic condenser connects through crystal oscillator with MSC-51 type single-chip microcontroller, and another end is connected with single-point switch.
Specific work process:
1) infrared temperature sensor measures the temperature of the lithium ionic cell module anode from new-energy automobile, through single-chip microcontroller
Signal is reached progress temperature judgement in single-chip microcontroller by pin interface, and starting the first starting pump executes cooling water circulation；
2) thermocouple measures the temperature from copper pipe tube wall, and the temperature signal is reached single-chip microcontroller through single-chip microcontroller pin interface
The first starting pump is closed in middle progress temperature judgement, while starting the second starting pump, is executed liquid nitrogen and is cooled down rapidly.
A kind of automatic cooling device of the utility model as new-energy automobile lithium ionic cell module thermal runaway,
Have many advantages, such as to automatically control, is easy to operate and cool and work well.It can be carried out when lithium battery temperature increases
Temperature judgement, take three-level to cool the lithium ionic cell module of new-energy automobile, avoid lithium ionic cell module due to
The continuous raising of its own temperature causes lithium battery module that thermal runaway occurs, and forms Domino effect, and huge personnel is caused to hurt
It dies and property loss.
Detailed description of the invention
Below with reference to attached drawing, the utility model is described in further detail:
Fig. 1 is the structure principle chart of utility model device；
Fig. 2 is utility model device function implementation flow chart.
In figure: 1, single-chip microcontroller；2, fixed value resistance；3, potentiometer；4, crystal oscillator；5, power interface；6, pin interface；7, temperature
Sensor；8, thermocouple；9, battery module (i.e. the battery module namely lithium ionic cell module of new-energy automobile)；10, resistance to height
Warm electric wire；11, the first starting pump；12, the second starting pump；13 liquid nitrogen containers and water pot；14, tee tube；15, copper pipe.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Referring to Fig.1, the automatic cooling device of the thermal runaway of new-energy automobile lithium ionic cell module includes liquid circulation
Cool down part, temperature monitoring part, control section and auxiliary device part；Temperature monitoring part and liquid circulation cooling part point
It is not connected with control section；
Liquid circulation cooling part includes that copper pipe 15, starting pump and liquid cooling component, liquid cooling component use liquid nitrogen and water pot 13,
Starting pump includes the first starting pump 11 and the second starting pump 12, passes through tee tube between the first starting pump 11 and the second starting pump 12
After 14 are connected, it is connected by liquid cooling component with lithium ionic cell module；
Temperature monitoring part is made of temperature sensor 7 and thermocouple 8；Control section is by single-chip microcontroller 1, pin interface 6, list
Point switch and electric wire composition；Auxiliary device part is by fixed value resistance 2, crystal oscillator 4, ceramic condenser, potentiometer 3 and power interface 5
Composition；Pin interface 6 connects with single-chip microcontroller 1；Temperature sensor 7 connects with pin interface 6；Thermocouple 8 and 6 phase of pin interface
It connects；First starting pump 11 and the second starting pump 12 are connected with pin interface 6 by fire resistant electric wire 10 respectively；Ceramic condenser is through crystalline substance
Vibration 4 is connected with single-chip microcontroller 1, and the other end of ceramic condenser is connected with single-point switch.
The pin interface 6 is USB interface, connects for single-chip microcontroller 1 with the external world and provides interface.
The single-chip microcontroller 1 uses MSC-51 type single-chip microcontroller.
It is connected between the liquid cooling component and lithium ionic cell module 9 by copper pipe 15.
Single-chip microcontroller is the product of computer Yu large scale integrated circuit technology high speed development, is important point of microcomputer
One of branch.Single-chip microcontroller product up to 50 series at present, 300 Multiple Types, and the monolithic of the MCS-51 series of Inter company
Machine has the advantages such as complete structural system, the register of standardization and instruction system.
The temperature sensor 7 can use commercially available infrared temperature sensor.
What infrared temperature sensor and the external infrared temperature sensor of single-chip microcontroller pin interface provided within the scope of room temperature
Algnment accuracy is ± 0.5 DEG C, the anode of infrared temperature sensor face measurand lithium ionic cell module, and distance is 1cm-
2cm, it is characterised in that the algnment accuracy that the thermocouple thermocouple external with single-chip microcontroller pin interface provides within the scope of room temperature is
± 1 DEG C, thermocouple face copper pipe top, distance is 3cm-5cm.
The temperature judgement, includes the following steps:
1) infrared temperature sensor measures the temperature of the positive extreme direction of lithium ionic cell module of new-energy automobile, and temperature is believed
Number pass to MSC-51 type single-chip microcontroller；
2) temperature signal that MSC-51 type single-chip microcontroller is obtained according to step 1), compared with preset value, if temperature signal value
Lower than preset value, temperature is normal, then does not send instruction；If temperature signal value is more than 50 DEG C of set definite value, instruction is issued, is started
First starting pump, carries out water circulation in copper pipe；
3) tube wall temperature signal is passed to MSC-51 type single-chip microcontroller, tube wall by the temperature that copper pipe tube wall is measured by thermocouple
When temperature is greater than 65 DEG C, MSC-51 type single-chip microcontroller closes the first starting pump, and starting the second starting pump is filled with liquid nitrogen in copper pipe,
The lithium ionic cell module of new-energy automobile is rapidly cooled.
In step 2, when external infrared temperature sensor feedback temperature is greater than 50 DEG C, then the first starting of starting immediately is pumped, into
Row cooling water circulation, absorbs the heat of the lithium ionic cell module of new-energy automobile, so that the temperature of battery is reduced, when external heat
The temperature of galvanic couple is greater than 65 DEG C, closes the first starting pump, while starting the second starting pump, is filled with liquid nitrogen in copper pipe at this time, when
When the temperature of temperature sensor is lower than 50 DEG C, temperature determining program stops the instruction to cyclic part, then carries out to temperature new
The monitoring and judgement of one wheel.
The device judged by temperature, carries out real-time monitoring to the temperature of the lithium ionic cell module of new-energy automobile, one
The temperature of the lithium ionic cell module of denier new-energy automobile increases, and will cool automatically to battery, can avoid new-energy automobile
Lithium ionic cell module cause thermal runaway since temperature raises, reduce fire or explosion that lithium ion battery thermal runaway causes
Accident probability.
Embodiment 1
Referring to attached drawing 2, in use, it is now assumed that the lithium ionic cell module of new-energy automobile carries out exoelectrical reaction, when its hair
Raw abnormal, temperature anomaly increases, cooling down method the following steps are included:
(1) the lithium ionic cell module temperature of new-energy automobile increases during the charging process, on lithium ionic cell module
The copper pipe surrounded, since the heating conduction of copper pipe is relatively good, the water in copper pipe absorbs the temperature from battery；
(2) with the lasting raising of lithium ionic cell module temperature, temperature sensor monitors that the temperature of anode reaches
To 50 DEG C, single-chip microcontroller compares signal by the program set in internal wiring and single-chip microcontroller, then is sent by single-chip microcontroller
1 starting of single-chip microcontroller control pump is instructed, the water circulation in pipeline is got up, promotes the temperature of water in the duct to reduce, constantly absorbs
The heat of lithium ionic cell module promotes the temperature of lithium ionic cell module can reduce；
(3) with the further raising of the temperature of the lithium ionic cell module of new-energy automobile, it is mounted on copper pipe pipe at this time
The thermocouple of wall can monitor the temperature of copper pipe tube wall, if the temperature for measuring copper pipe tube wall at this time is less than or equal to 65 DEG C, copper
Water in pipe absorbs the heat of battery surface, can reduce the temperature of battery.If the temperature for measuring copper pipe tube wall is greater than 65
DEG C, due to the specific heat capacity characteristic of water, the water in copper pipe can not further absorb the temperature of battery surface, reduce the temperature of battery；
(4) single-chip microcontroller compares signal by the program set in internal wiring and single-chip microcontroller, the temperature of thermocouple
When greater than 65 DEG C, pump 2 is sent instructions to by single-chip microcontroller, the water in pipeline is extracted out, and be filled with liquid nitrogen immediately and cool down；
In the utility model embodiment, temperature sensor selects WRF2-101 type, has high sensitivity to temperature；Monolithic
Machine uses MSC-51 type single-chip microcontroller, and the programming language used is C language, and program code is simply write well；First starting pump and the
Two starting pumps are all made of DLSB-30 type, are primarily adapted for use in the occasion of low temperature, midget plant, and thermocouple selects TJ36-CAXL-
116U-2 type, short with the response time, measurement temperature range is wide, and long service life under hot environment can arbitrarily be bent and be not easy
Disconnected feature.The model of fire resistant electric wire is GN500, and the temperature that can be born reaches 800 DEG C, the city the above component Jun Ke
It is bought on.
Claims (4)
1. a kind of automatic cooling device of thermal runaway of new-energy automobile lithium ionic cell module, it is characterised in that: including liquid
Body circulation cooling part, temperature monitoring part, control section and auxiliary device part；Temperature monitoring part and liquid circulation cooling
Part is connected with control section respectively；
Liquid circulation cooling part includes copper pipe, starting pump and liquid cooling component, and liquid cooling component uses liquid nitrogen container and water pot, starting pump
Including the first starting pump and the second starting pump, after being connected between the first starting pump and the second starting pump by tee tube, by liquid
Cold part is connected with lithium ionic cell module；
Temperature monitoring part is made of temperature sensor and thermocouple；Control section by single-chip microcontroller, pin interface, single-point switch and
Electric wire composition；Auxiliary device part is made of fixed value resistance, crystal oscillator, ceramic condenser, potentiometer and power interface；Pin interface
Connect with single-chip microcontroller；Temperature sensor connects with pin interface；Thermocouple connects with pin interface；First starting pump and second opens
Dynamic pump connects with pin interface respectively；Ceramic condenser is connected through crystal oscillator with single-chip microcontroller, and the other end and single-point of ceramic condenser switch
It is connected.
2. the automatic cooling device of thermal runaway of new-energy automobile lithium ionic cell module according to claim 1,
Be characterized in that: the pin interface is USB interface, connects for single-chip microcontroller with the external world and provides interface.
3. the automatic cooling device of thermal runaway of new-energy automobile lithium ionic cell module according to claim 1,
Be characterized in that: the single-chip microcontroller uses MSC-51 type single-chip microcontroller.
4. the automatic cooling device of thermal runaway of new-energy automobile lithium ionic cell module according to claim 1,
It is characterized in that: being connected between the liquid cooling component and lithium ionic cell module by copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821493462.1U CN208655844U (en) | 2018-09-13 | 2018-09-13 | Thermal runaway automatic cooling device for lithium ion battery module of new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821493462.1U CN208655844U (en) | 2018-09-13 | 2018-09-13 | Thermal runaway automatic cooling device for lithium ion battery module of new energy automobile |
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| Publication Number | Publication Date |
|---|---|
| CN208655844U true CN208655844U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821493462.1U Active CN208655844U (en) | 2018-09-13 | 2018-09-13 | Thermal runaway automatic cooling device for lithium ion battery module of new energy automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149010A (en) * | 2018-09-13 | 2019-01-04 | 南京工业大学 | Automatic cooling system for lithium ion battery module thermal runaway of new energy automobile and implementation method thereof |
| CN110161412A (en) * | 2019-06-14 | 2019-08-23 | 郑州轻工业学院 | A kind of container-type lithium ion battery energy storage system thermal runaway characteristic analysis system |
-
2018
- 2018-09-13 CN CN201821493462.1U patent/CN208655844U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149010A (en) * | 2018-09-13 | 2019-01-04 | 南京工业大学 | Automatic cooling system for lithium ion battery module thermal runaway of new energy automobile and implementation method thereof |
| CN110161412A (en) * | 2019-06-14 | 2019-08-23 | 郑州轻工业学院 | A kind of container-type lithium ion battery energy storage system thermal runaway characteristic analysis system |
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