CN108736085A - The thermally safe managing and control system of battery pack - Google Patents
The thermally safe managing and control system of battery pack Download PDFInfo
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- CN108736085A CN108736085A CN201810523836.8A CN201810523836A CN108736085A CN 108736085 A CN108736085 A CN 108736085A CN 201810523836 A CN201810523836 A CN 201810523836A CN 108736085 A CN108736085 A CN 108736085A
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- battery pack
- battery
- injection
- connecting hole
- kinematic joint
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- 238000002309 gasification Methods 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000007689 inspection Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 claims description 2
- 238000012163 sequencing technique Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims 1
- 238000013021 overheating Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides a kind of thermally safe managing and control systems of battery pack, are related to battery pack field of heat management.The system includes battery pack, nozzle, runner, connecting hole, kinematic joint, mostly logical control valve, appendix, gas sensing devices, asepwirator pump, check valve, and woven hose, control valve, low temperature gasification fluid Supplying apparatus, battery producing gas inspection detection is overheated by multi-region position and heat combustion inhibits integral structure and thermally safe management-control method, inspection recognition detection is carried out to crossing thermal cell or battery modules exhaust in battery pack, and implement emergent cooling, realize that overheating detection inhibits double action with heat combustion, promote the thermally safe management and control ability of battery thermal management, it is further ensured that electric vehicle battery system safety.
Description
Technical field
The present invention is in relation to a kind of battery pack heat management system and thermally safe application technology.
Background technology
With global energy, environmental problem getting worse, counte-rplan are all actively being sought in countries in the world, electric vehicle because
It had both met the megatrend of energy-saving and emission-reduction, also complied with the idea of development of environmental protection, had become countries in the world automobile
The emphasis of industry development, battery are widely used in new due to its high-energy density, simple system and environmental-friendly feature
Energy automobile.Temperature is an important factor for influencing battery.Too low temperature can be such that the internal resistance of battery increases, can charge/discharge capacity drop
Service life that is low, reducing battery；Excessively high temperature can then make side reaction increase, SEI films in battery pack decompose while will produce
CO2、H2、CO、CH4Equal gases reduce the cycle life of battery, reduce the safety of battery, or even cause the burning of battery and quick-fried
It is fried.
In very widely used today technology, the thermal management scheme generally use of battery pack is air-cooled, coolant liquid liquid cooling, refrigeration
The schemes such as agent is direct-cooled, these thermal management schemes generally directed to entire battery pack into trip temperature management and control, cannot achieve battery cell or
The battery part heat management of person's battery modules rank, the specific aim for implementing heat management measure is weaker, for not same district in battery pack
When the battery overheat of position, positioning, super cold anxious heat management measure are just particularly important.In addition, part smaller in battery pack
In the case that area cells cross heat anomaly, battery pack is integrally carried out heat management be unfavorable for it is energy saving.
In order to ensure the traffic safety of electric vehicle, the state for farthest accurately monitoring battery pack, Jin Erxu are needed
A large amount of sensor is arranged in battery pack, common sensor has temperature sensor, voltage, current transducer, due to electricity
The requirement of pond module comparison energy, specific power is stepping up, and for the integrated level and the useful space for promoting battery modules, is badly in need of
Highly integrated sensor or highly integrated sensing mode are to reduce space occupancy of the sensor in battery pack.
Invention content
The present invention provides a kind of highly integrated super cold thermally safe managing and control systems of battery pack, and thermal cell production is crossed by multi-region position
Gas inspection detects and heat combustion inhibits integral structure and thermally safe management-control method, arranges crossing thermal cell or battery modules in battery pack
Gas carries out inspection recognition detection, and implements emergent cooling, realizes that overheating detection inhibits double action with heat combustion, promotes battery thermal
The thermally safe management and control ability of reason is further ensured that electric vehicle battery system safety.
To achieve the above object, the present invention provides the following technical solutions：
An embodiment of the present invention provides a kind of thermally safe managing and control system of battery pack, the thermally safe managing and control system tool of battery pack
There is in battery pack position battery cross thermal exhaust detection and inhibits double action, the battery with positioning injection liquid cryogen heat of gasification combustion
It includes battery pack, nozzle, runner, multiple connecting holes, kinematic joint, mostly logical control valve, appendix, gas to wrap thermally safe managing and control system
Detector part, asepwirator pump, check valve and woven hose, control valve, low temperature gasification fluid Supplying apparatus, described runner one end
It is connected with the nozzle in the battery pack, the one end of the runner far from the nozzle is used for and the multiple connecting hole phase
Even, the nozzle is arranged in the different positions in the battery pack, and the kinematic joint can pass through rotation or reciprocal side
Formula is connected in turn with the connecting hole, and the other end of the kinematic joint is connected with more logical control valves, more logical controls
One branch of valve is connected by the appendix with the gas sensing devices, the asepwirator pump and the check valve, institute
Another branch for stating more logical control valves passes through the woven hose and the control valve and the low temperature gasification fluid Supplying apparatus
It is connected；The kinematic joint for being crossed in thermal exhaust detection process in the battery, by rotation or back and forth with the multiple company
It connects hole to connect in turn, and is connected to the gas sensing devices and the asepwirator pump by more logical control valves, described in inspection
Superheat state is concluded in different position gas componant variations, subdivision.The kinematic joint is used to spray liquid cryogen in the positioning
When gasification, position and connect with the connecting hole at superheat state position, and by more logical control valves respectively with the control
Valve processed is connected to the low temperature gasification fluid Supplying apparatus, so that low temperature gasification liquid flows through nozzle injection, heat combustion inhibits battery
Overheat.
In preferred embodiments of the present invention, above-mentioned multiple connecting holes are arranged by single, multiple rows of, in-line, stagger arrangement, and institute
Multiple connecting holes are stated with the kinematic joint according to certain sequencing, to rotate or move back and forth movement connection.
In preferred embodiments of the present invention, when the heat combustion of positioning injection liquid cryogen gasification blocks, the control valve
By continuously spraying, interrupted injection, determine aperture injection, become aperture injection, realizing that super cold, the cooling and gasification stream heat that is delayed fires and dredges oxygen
Tissue carries out injection control to overheat position.
In preferred embodiments of the present invention, when carrying out the positioning injection, positioning nozzle main injection and adjacent side nozzle
Secondary injection links, and main cooling is carried out to overheating position battery in battery pack, and carrying out heat combustion to its periphery battery blocks cooling.
In preferred embodiments of the present invention, above-mentioned rotation or reciprocating motion be mutually connected in the kinematic joint with it is single, more
Row, in-line, the multiple connecting hole that is staggered in arrangement by rotation, linear reciprocation, camber line is reciprocal, irregularly moves back and forth phase
It connects.
In preferred embodiments of the present invention, above-mentioned single, multiple rows of, in-line, the porous arrangement of stagger arrangement, connection pore size distribution are single
One kind in alignment row, multiple rows of in-line, multiple rows of stagger arrangement.
In preferred embodiments of the present invention, above-mentioned low temperature gasification fluid Supplying apparatus is heat pump system refrigerant branch
Or independent low temperature gasification fluid storage feedway, low temperature gasification liquid have non-combustible, fire-retardant, suppression heat, explosion-resistance characteristic.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the system construction drawing of the present invention；
Fig. 2 is the first arrangement of connecting hole of the present invention and kinematic joint；
Fig. 3 is the second arrangement of connecting hole of the present invention and kinematic joint；
Fig. 4 is the third arrangement of connecting hole of the present invention and kinematic joint；
Fig. 5 is the 4th arrangement of connecting hole of the present invention and kinematic joint；
Fig. 6 is the 5th arrangement of connecting hole of the present invention and kinematic joint；
Fig. 7 is the 6th arrangement of connecting hole of the present invention and kinematic joint；
Fig. 8 is that the multiple rows of stagger arrangement connecting hole of the present invention rotates the embodiment isometric views that connect with kinematic joint；
Fig. 9 is that the multiple rows of stagger arrangement connecting hole of the present invention rotates the embodiment front view that connects with kinematic joint；
Figure 10 is that the multiple rows of stagger arrangement connecting hole of the present invention rotates the embodiment sectional view that connects with kinematic joint.
Label declaration in attached drawing：
1- battery pack 8- gas sensing devices
2- nozzle 9- asepwirator pumps
3- runner 10- check valves
4- connecting hole 11- woven hoses
5- kinematic joint 12- control valves
The mostly logical control valve 13- low temperature gasification liquid feeder valves of 6-
7- appendix 14- connecting hole supporters
15- seal washer 18- dowel holes
16- bolt 19- racks
17- connecting hole supporter end socket 20- sealing rings
Specific implementation mode
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is right below
The detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit the range of claimed invention, but
It is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not making creativeness
The every other embodiment obtained under the premise of labour, shall fall within the protection scope of the present invention.
As shown in attached drawing 1., the thermally safe managing and control system of battery pack is by battery pack (1), nozzle (2), runner (3), connecting hole
(4), kinematic joint (5), mostly logical control valve (6), appendix (7), gas sensing devices (8), asepwirator pump (9), check valve (10),
And woven hose (11), control valve (12), low temperature gasification fluid Supplying apparatus (13) composition.Runner (3) one end and battery pack (1)
Interior nozzle (2) is connected, and one end is connected with connecting hole (4), and the nozzle (2) in battery pack (1) is arranged in battery pack (1) not
Same position, kinematic joint (5) can be connected in turn by rotation or reciprocal mode with connecting hole (4), and kinematic joint (5) is another
One end is connected with more logical control valves (6), and a branch of mostly logical control valve (6) passes through appendix (7) and gas sensing devices
(8), asepwirator pump (9), check valve (10) are connected, and another branch of mostly logical control valve (6) passes through woven hose (11) and control valve
(12), low temperature gasification fluid Supplying apparatus (13) is connected.The pressure that gas sensing devices (8) can be provided by asepwirator pump (9)
Lead to the Collaborative Controls such as control valve (6), kinematic joint (5), connecting holes (4) with more, it can be to the mistake of each position in battery pack (1)
Thermal exhaust carries out inspection identification, and superheat state is concluded in subdivision, considerably increases the efficiency of the interior battery status monitoring of battery pack (1),
In addition, the gas of extraction is discharged by check valve (10), the setting of check valve (10) prevents external substance to enter battery pack
(1)；When detecting that battery overheat or electric vehicle send out jeting instruction, low temperature gasification fluid Supplying apparatus (13) passes through control
The Collaborative Controls such as valve (12) processed, mostly logical control valve (6), kinematic joint (5), connector (4), to overheating position in battery pack (1)
Continuous injection, interrupted injection determine aperture injection, become aperture injection, realize it is super it is cold, delay is cooling and gasification stream heat fires thin oxygen group
It knits.
When the battery in battery pack (1) locally overheats, kinematic joint (5) is first positioned to overheated zone, low temperature gasification
Liquid flows through control valve (12), mostly logical control valve (6), kinematic joint (5), connecting hole (4), runner (3), nozzle (2), is injected into
Enter the superheat region in battery pack (1), main injection, the rapid endothermic gasification of low temperature gasification liquid, to the region are carried out to the region
Main cooling is carried out, then, kinematic joint positioned in sequence to superheat region adjacent side nozzle carries out secondary injection to adjacent edge region, low
The warm rapid endothermic gasification of gasified liquid carries out supplement heat rejecter, the cryogenic gas that main injection is generated with secondary injection to adjacent edge region
In the interior starvation of battery pack (1), heat combustion is blocked to propagate, effectively reduced the temperature of thermal cell, inhibits the heat in battery pack
Combustion sprawling.
It is the first arrangement of connecting hole of the present invention (4) and kinematic joint (5), single connection as shown in attached drawing 2.
Hole (4) is distributed on annular surface, and kinematic joint (5) can be realized to the connected regional patrol of these connecting holes rotate around central axis
Identification.
It is second of arrangement of connecting hole of the present invention (4) and kinematic joint (5), double connection as shown in attached drawing 3.
Hole (4) in-line is distributed on annular surface, and kinematic joint (5) can be moved with axial reciprocating rotate around central axis, be realized to these
The connected regional patrol identification of connecting hole (4).
It is the third arrangement of connecting hole of the present invention (4) and kinematic joint (5), double connection as shown in attached drawing 4.
Hole (4) stagger arrangement is distributed on annular surface, and kinematic joint (5) can be moved with axial reciprocating rotate around central axis, be realized to these
The connected regional patrol identification of connecting hole.
It is the 4th kind of arrangement of connecting hole of the present invention (4) and kinematic joint (5), single connection as shown in attached drawing 5.
Hole (4) is distributed in the plane, and kinematic joint (5) can be moved back and forth along connecting hole (4) parallel direction, is realized to these connecting holes
Connected regional patrol identification.
It is the 5th kind of arrangement of connecting hole of the present invention (4) and kinematic joint (5), double connection as shown in attached drawing 6.
Hole (4) is distributed in the plane, and kinematic joint (5) can direction moves back and forth side by side, side by side along connecting hole (4), realizes to these
The connected regional patrol identification of connecting hole.
It is the 6th kind of arrangement of connecting hole of the present invention (4) and kinematic joint (5), double connection as shown in attached drawing 7.
Hole (4) stagger arrangement is distributed in the plane, and kinematic joint (5) can direction moves back and forth side by side, side by side along connecting hole (4), realization pair
The connected regional patrol identification of these connecting holes.
Fig. 8, Fig. 9, Figure 10 respectively multiple rows of stagger arrangement connecting hole of the present invention connect with kinematic joint rotation, and embodiment is isometric to be regarded
Figure, front view, sectional view, in this embodiment, two rows of stagger arrangement connecting holes (4) are distributed in hollow connecting hole supporter (14)
On, the hollow lower part of connecting hole supporter (14) is bonded with the outer profile of kinematic joint (5), hollow upper section diameter relatively under
Portion is bigger, there is certain gap between the outer profile of kinematic joint (5), three inner rings are dispersed in interval are fixed on movement and connect
The sealing ring (20) of head (5) outer profile, the kinematic joint (5) with sealing ring (20) can be in the hollow space being relatively large in diameter along axis
To moving back and forth.A toothed rack (19) is secured on the outer profile of connecting hole supporter (14), rack (19) is dynamic in outside
Connecting hole supporter (14) is set to be moved back and forth along central axis under the action of power, to make kinematic joint (5) connect with two rows
Hole (4) is connect to be respectively turned on, the upper end of connecting hole supporter (14) by four bolts (16) by connecting hole supporter end socket (17),
Seal washer (15) is fixed together, which is convenient for the installation of inner seal rings (20), is moved to connecting hole supporter (14)
The further sealing of the restriction of position and connecting hole supporter (14) inside.There is a through-hole in kinematic joint (5) bottom end, is connect with movement
The runner connection at head (5) center, kinematic joint (5) are connected by positioning pin with external rotary power, make kinematic joint (5) in
Mandrel determines angle rotation, realizes that kinematic joint (5) and the connecting hole (4) of different location are connected.The present embodiment cooperation present invention, it is real
Show and thermal exhaust detection and positioning injection low temperature gasification liquid are crossed to different positions battery in battery pack, had reduced thermal cell temperature
Degree inhibits heat combustion sprawling.
Claims (7)
1. a kind of thermally safe managing and control system of battery pack, which is characterized in that the thermally safe managing and control system of battery pack has battery pack
Interior position battery crosses thermal exhaust detection and inhibits double action with positioning injection liquid cryogen heat of gasification combustion,
The thermally safe managing and control system of battery pack includes battery pack, nozzle, runner, multiple connecting holes, kinematic joint, more logical controls
Valve, appendix, gas sensing devices, asepwirator pump, check valve and woven hose, control valve, low temperature gasification fluid Supplying apparatus,
Described runner one end is connected with the nozzle in the battery pack, the one end of the runner far from the nozzle for it is described
Multiple connecting holes are connected, and the nozzle is arranged in the different positions in the battery pack, and the kinematic joint can pass through rotation
Or reciprocal mode is connected in turn with the connecting hole, the other end of the kinematic joint is connected with more logical control valves,
One branch of more logical control valves passes through the appendix and the gas sensing devices, the asepwirator pump and the list
It is connected to valve, another branch of more logical control valves passes through the woven hose and the control valve and the low temperature gasification liquid
Body feeding is connected；
The kinematic joint for being crossed in thermal exhaust detection process in the battery, by rotation or back and forth with the multiple connection
Hole connects in turn, and is connected to the gas sensing devices and the asepwirator pump by more logical control valves, described in inspection not
Change with position gas componant, superheat state is concluded in subdivision；
The kinematic joint is used in positioning injection liquid cryogen gasification, with the connecting hole at superheat state position
Positioning is connected, and is connected to respectively with the control valve and the low temperature gasification fluid Supplying apparatus by more logical control valves,
So that low temperature gasification liquid flows through nozzle injection, heat combustion inhibits battery overheat.
2. the thermally safe managing and control system of battery pack according to claim 1, which is characterized in that the multiple connecting hole passes through list
Row, multiple rows of, in-line, stagger arrangement arrangement, and the multiple connecting hole and the kinematic joint according to certain sequencing, with rotation or
Move back and forth movement connection.
3. the thermally safe managing and control system of battery pack according to claim 1, which is characterized in that spray liquid cryogen gas in positioning
Change heat combustion block when, the control valve by continuously spraying, interrupted injection, determine aperture injection, become aperture injection, realize surpass
Cold, delay cooling and the thin oxygen tissue of gasification stream heat combustion carry out injection control to overheat position.
4. the thermally safe managing and control system of battery pack according to claim 1, which is characterized in that carrying out the positioning injection
When, nozzle main injection directly corresponding with battery superheat region links with adjacent side nozzle secondary injection, to overheated zone in battery pack
Position battery carries out main cooling, and carrying out heat combustion to its periphery battery blocks cooling.
5. the thermally safe managing and control system of battery pack according to claim 2, which is characterized in that the rotation or reciprocating motion phase
It is connected in the kinematic joint and passes through rotation, linear reciprocation, arc with single, multiple rows of, in-line, the multiple connecting hole being staggered in arrangement
Line is reciprocal, irregular move back and forth connects.
6. the thermally safe managing and control system of battery pack according to claim 2, which is characterized in that single, the multiple rows of, in-line,
The porous arrangement of stagger arrangement, connection pore size distribution are one kind in single in-line, multiple rows of in-line, multiple rows of stagger arrangement.
7. the thermally safe managing and control system of battery pack according to claim 1, which is characterized in that the low temperature gasification liquid supply
Device is heat pump system refrigerant branch or independent low temperature gasification fluid storage feedway, and low temperature gasification liquid has can not
Combustion, fire-retardant, suppression heat, explosion-resistance characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810523836.8A CN108736085B (en) | 2018-05-28 | 2018-05-28 | Battery pack thermal safety control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810523836.8A CN108736085B (en) | 2018-05-28 | 2018-05-28 | Battery pack thermal safety control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108736085A true CN108736085A (en) | 2018-11-02 |
| CN108736085B CN108736085B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810523836.8A Active CN108736085B (en) | 2018-05-28 | 2018-05-28 | Battery pack thermal safety control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786891A (en) * | 2019-01-11 | 2019-05-21 | 李先伟 | New energy power vehicle stack air cooling structure |
| CN110556606A (en) * | 2019-09-05 | 2019-12-10 | 吉林大学 | Battery pack internal injection emergency cooling control structure and method |
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| CN106374157A (en) * | 2016-08-30 | 2017-02-01 | 臻昊(北京)新能源科技有限公司 | Battery heat management system realized by using heat pump technology |
| KR101833046B1 (en) * | 2017-11-09 | 2018-02-27 | 한남대학교 산학협력단 | Supplying device of electrolyte for battery |
| CN107994283A (en) * | 2018-01-16 | 2018-05-04 | 刘洪涛 | A kind of new battery temperature intelligence control system |
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