CN108736085B - Battery pack thermal safety control system - Google Patents
Battery pack thermal safety control system Download PDFInfo
- Publication number
- CN108736085B CN108736085B CN201810523836.8A CN201810523836A CN108736085B CN 108736085 B CN108736085 B CN 108736085B CN 201810523836 A CN201810523836 A CN 201810523836A CN 108736085 B CN108736085 B CN 108736085B
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- battery pack
- battery
- control valve
- low
- temperature gasification
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- 230000033001 locomotion Effects 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000002309 gasification Methods 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000002485 combustion reaction Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 230000005764 inhibitory process Effects 0.000 claims abstract description 8
- 230000009977 dual effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 20
- 238000007789 sealing Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004781 supercooling Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
Classifications
-
- 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 invention provides a battery pack thermal safety management and control system, and relates to the field of battery pack thermal management. The system comprises a battery pack, a pipe orifice, a flow passage, a connecting hole, a motion joint, a multi-way control valve, a gas transmission pipe, a gas detection device, a suction pump, a one-way valve, a transfusion pipe, a control valve and a low-temperature gasification liquid supply device, wherein the inspection, detection and the thermal combustion inhibition integrated structure and the thermal safety control method are used for inspecting and identifying the exhaust of the overheated battery or the battery module in the battery pack through the multi-area overheated battery, and emergency cooling is implemented, so that the dual functions of overheat detection and thermal combustion inhibition are realized, the thermal safety control capability of battery thermal management is improved, and the safety of the battery system of the electric automobile is further ensured.
Description
Technical Field
The invention relates to a battery pack thermal management system and a thermal safety application technology.
Background
Along with the increasing serious global energy and environmental problems, the countries in the world are actively seeking to deal with schemes, and the electric automobile is widely applied to new energy automobiles due to the characteristics of high energy density, simple system and environmental friendliness because the electric automobile meets the social development trend of energy conservation and emission reduction and the development idea of environmental protection. Temperature is an important factor affecting the battery. An excessively low temperature increases the internal resistance of the battery, reduces the chargeable and dischargeable capacity, and reduces the service life of the battery; excessive temperature can increase side reaction in the battery pack, decompose SEI film and generate CO 2 、H 2 、CO、CH 4 And the gases reduce the cycle life of the battery, reduce the safety of the battery, and even cause the combustion and explosion of the battery.
In the current widely used technology, the heat management schemes of the battery pack generally adopt schemes such as air cooling, liquid cooling of cooling liquid, direct cooling of refrigerant and the like, and the heat management schemes generally aim at temperature control of the whole battery pack, so that local heat management of batteries at the level of battery cells or battery modules cannot be realized, the pertinence of implementing heat management measures is weaker, and positioning and supercooling urgent heat management measures are particularly important when the batteries at different positions in the battery pack are overheated. In addition, under the condition that the battery is overheated abnormally in a small local area in the battery pack, the whole battery pack is subjected to heat management, so that energy conservation is not facilitated.
In order to ensure the driving safety of the electric automobile, the state of the battery pack needs to be monitored accurately to the greatest extent, a large number of sensors need to be arranged in the battery pack, and the commonly used sensors comprise temperature sensors, voltage and current transmitters.
Disclosure of Invention
The invention provides a highly integrated super-cooled battery pack thermal safety control system, which is characterized in that through a multi-region super-heated battery gas production inspection and detection and thermal combustion inhibition integrated structure and a thermal safety control method, inspection, identification and detection are carried out on the exhaust gas of a super-heated battery or a battery module in a battery pack, emergency cooling is implemented, the dual functions of the super-heated detection and the thermal combustion inhibition are realized, the thermal safety control capability of battery thermal management is improved, and the safety of an electric automobile battery system is further ensured.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the embodiment of the invention provides a battery pack thermal safety control system, which has the dual functions of overheat exhaust detection and low-temperature gasification thermal combustion inhibition of positioning injection liquid of a battery in a battery pack, and comprises a battery pack, a pipe orifice, a runner, a plurality of connecting holes, a motion joint, a multi-way control valve, a gas pipe, a gas detection device, a suction pump, a one-way valve, a transfusion pipe, a control valve and a low-temperature gasification liquid supply device, wherein one end of the runner is connected with the pipe orifice in the battery pack, one end of the runner, which is far away from the pipe orifice, is used for being connected with the plurality of connecting holes, the pipe orifice is arranged at different positions in the battery pack, the motion joint can be sequentially connected with the connecting holes in a rotating or reciprocating mode, the other end of the motion joint is connected with the multi-way control valve, one branch of the multi-way control valve is connected with the gas detection device, the suction pump and the one-way valve through the gas pipe, and the low-temperature gasification liquid supply device through the gas pipe; the motion joint is used for being communicated with the plurality of connecting holes in sequence through rotation or reciprocation in the overheat exhaust detection process of the battery, and is communicated with the gas detection device and the suction pump through the multi-way control valve, so that the change of the gas components in different areas is inspected, and the overheat state is judged in a subdivision mode. The motion joint is used for being positioned and communicated with the connecting hole at the overheat state zone when the positioning injection liquid is gasified at a low temperature, and is respectively communicated with the control valve and the low-temperature gasification liquid supply device through the multi-way control valve so as to enable the low-temperature gasification liquid to flow through the pipe orifice for injection, and the battery overheat is restrained by thermal combustion.
In a preferred embodiment of the present invention, the plurality of connection holes are arranged in a single row, multiple rows, parallel rows, and staggered rows, and the plurality of connection holes and the motion joint are connected in a rotation or reciprocation motion according to a certain sequence.
In the preferred embodiment of the invention, when the thermal combustion blocking of the low-temperature gasification of the injected liquid is positioned, the control valve realizes the injection control of the super-cooling, delayed cooling and gasification flow thermal combustion oxygen-repellent tissue on the overheating zone through continuous injection, intermittent injection, fixed opening injection and variable opening injection.
In the preferred embodiment of the invention, when the positioning spraying is carried out, the main spraying of the positioning pipe orifice is linked with the auxiliary spraying of the pipe orifice at the adjacent side, so as to carry out main cooling on the overheated zone battery in the battery pack and carry out thermal combustion blocking cooling on the surrounding battery.
In a preferred embodiment of the present invention, the above-mentioned rotary or reciprocating motion is connected by the motion joint and the plurality of connecting holes arranged in single row, multiple rows, in line and staggered by rotary, linear reciprocating, arc reciprocating and irregular reciprocating motion.
In a preferred embodiment of the present invention, the single-row, multi-row, sequential, staggered multi-hole arrangement is one of single-row, multi-row, sequential, and multi-row staggered arrangement.
In a preferred embodiment of the present invention, the low-temperature gasification liquid supply device is a refrigerant branch of a heat pump system or an independent low-temperature gasification liquid storage supply device, and the low-temperature gasification liquid has the characteristics of incombustibility, flame retardance, heat inhibition and explosion prevention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a system block diagram of the present invention;
FIG. 2 is a first arrangement of the connecting hole and the motion joint of the present invention;
FIG. 3 is a second arrangement of the connecting hole and the motion joint of the present invention;
FIG. 4 is a third arrangement of the connecting hole and the motion joint of the present invention;
FIG. 5 is a fourth arrangement of the connecting hole and the motion joint of the present invention;
FIG. 6 is a fifth arrangement of the connecting hole and the motion joint of the present invention;
FIG. 7 is a sixth arrangement of the connecting hole and the motion adapter of the present invention;
FIG. 8 is an isometric view of an embodiment of the invention in which multiple rows of staggered connection holes are rotationally coupled to a motion joint;
FIG. 9 is a front view of a rotary union with multiple staggered rows of connecting holes in accordance with an embodiment of the present invention;
FIG. 10 is a cross-sectional view of an embodiment of the invention in which multiple rows of staggered connection holes are rotationally coupled to a motion joint.
Reference numerals in the drawings illustrate:
1-battery pack 8-gas detection device
2-pipe orifice 9-aspirator pump
3-runner 10-check valve
4-connecting hole 11-infusion tube
5-motion joint 12-control valve
6-multi-way control valve 13-low temperature gasification liquid supply valve
7-gas pipe 14-connecting hole support body
15-sealing gasket
16-bolt
17-connecting hole support body end socket
18-registration pin hole
19-rack
20-sealing ring
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. The following detailed description of the embodiments of the invention, provided in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
As shown in fig. 1, the battery pack thermal safety control system consists of a battery pack (1), a pipe orifice (2), a flow passage (3), a connecting hole (4), a motion joint (5), a multi-way control valve (6), a gas pipe (7), a gas detection device (8), a suction pump (9), a one-way valve (10), a transfusion pipe (11), a control valve (12) and a low-temperature gasification liquid supply device (13). One end of the flow passage (3) is connected with the pipe orifice (2) in the battery pack (1), the other end of the flow passage is connected with the connecting hole (4), the pipe orifice (2) in the battery pack (1) is arranged at different positions in the battery pack (1), the moving joint (5) can be sequentially communicated with the connecting hole (4) in a rotating or reciprocating mode, the other end of the moving joint (5) is connected with the multi-way control valve (6), one branch of the multi-way control valve (6) is connected with the gas detection device (8), the suction pump (9) and the one-way valve (10) through the gas transmission pipe (7), and the other branch of the multi-way control valve (6) is connected with the control valve (12) and the low-temperature gasification liquid supply device (13) through the infusion pipe (11). The gas detection device (8) can cooperatively control the pressure provided by the suction pump (9) and the multi-way control valve (6), the motion joint (5), the connecting hole (4) and the like, can carry out inspection identification on overheat exhaust gas at each zone in the battery pack (1), subdivide and judge overheat states, greatly increases the efficiency of monitoring the battery state in the battery pack (1), and in addition, the pumped gas is discharged through the one-way valve (10), and the arrangement of the one-way valve (10) prevents foreign matters from entering the battery pack (1); when the overheat of the battery or the emission instruction of the electric automobile is detected, the low-temperature gasification liquid supply device (13) realizes continuous injection, intermittent injection, fixed opening injection and variable opening injection of overheat areas in the battery pack (1) through cooperative control of a control valve (12), a multi-way control valve (6), a motion joint (5), a connecting hole (4) and the like, so as to realize super-cooling, delay cooling and gasification flow hot combustion oxygen-sparse organization.
When the local battery in the battery pack (1) is overheated, the motion joint (5) is positioned to an overheated area, low-temperature gasification liquid flows through the control valve (12), the multi-way control valve (6), the motion joint (5), the connecting hole (4), the runner (3) and the pipe orifice (2), and is sprayed into the overheated area in the battery pack (1), the area is subjected to main spraying, the low-temperature gasification liquid rapidly absorbs heat and gasifies, the area is subjected to main cooling, then, the motion joint is sequentially positioned to the pipe orifice of the adjacent side of the overheated area, the adjacent side area is subjected to auxiliary spraying, the low-temperature gasification liquid rapidly absorbs heat and gasifies, the adjacent side area is subjected to auxiliary cooling, and low-temperature gas generated by the main spraying and the auxiliary spraying is isolated from oxygen in the battery pack (1) to block heat and fire propagation, so that the temperature of the overheated battery is effectively reduced, and the heat and fire propagation in the battery pack is restrained.
As shown in figure 2, the first arrangement scheme of the connecting holes (4) and the moving joints (5) is that the single-row connecting holes (4) are distributed on the annular surface, and the moving joints (5) can rotate around the central shaft to realize inspection and identification of the areas connected with the connecting holes.
As shown in figure 3, the invention is a second arrangement scheme of the connecting holes (4) and the moving joints (5), the double rows of connecting holes (4) are distributed on the annular surface in sequence, and the moving joints (5) can rotate around the central shaft and axially reciprocate, so that inspection and identification of the areas connected with the connecting holes (4) are realized.
As shown in figure 4, the invention is a third arrangement scheme of the connecting holes (4) and the moving joints (5), the double rows of connecting holes (4) are distributed on the annular surface in staggered mode, and the moving joints (5) can rotate around the central shaft and axially reciprocate, so that inspection and identification of the areas connected with the connecting holes are realized.
As shown in figure 5, in a fourth arrangement scheme of the connecting holes (4) and the moving joints (5), single-row connecting holes (4) are distributed on a plane, and the moving joints (5) can reciprocate along the parallel directions of the connecting holes (4) so as to realize inspection and identification of the areas connected with the connecting holes.
As shown in figure 6, the invention is a fifth arrangement scheme of the connecting holes (4) and the moving joints (5), the double rows of connecting holes (4) are distributed on a plane, and the moving joints (5) can reciprocate along the parallel and side-by-side directions of the connecting holes (4) so as to realize inspection and identification of the areas connected with the connecting holes.
As shown in figure 7, the invention is a sixth arrangement scheme of the connecting holes (4) and the moving joints (5), the double rows of connecting holes (4) are staggered on a plane, and the moving joints (5) can reciprocate along the parallel and side-by-side directions of the connecting holes (4) so as to realize inspection and identification of the areas connected with the connecting holes.
Fig. 8, 9 and 10 are respectively an isometric view, a front view and a cross-sectional view of an embodiment of a rotary connection between multiple rows of staggered connection holes and a motion joint, in this embodiment, two rows of staggered connection holes (4) are distributed on a hollow connection hole support body (14), the hollow lower part of the connection hole support body (14) is attached to the outer contour of the motion joint (5), the diameter of the hollow upper part is slightly larger than that of the lower part, a certain gap is reserved between the hollow upper part and the outer contour of the motion joint (5), three sealing rings (20) with inner rings fixed on the outer contour of the motion joint (5) are distributed in intervals, and the motion joint (5) with the sealing rings (20) can reciprocate along the axial direction in the hollow part with larger diameter. A rack (19) is fixed on the outer contour of the connecting hole support body (14), the rack (19) enables the connecting hole support body (14) to reciprocate along the central axis under the action of external power, so that the motion joint (5) is respectively communicated with the upper row of connecting holes (4) and the lower row of connecting holes (4), the upper end of the connecting hole support body (14) is used for fixing the connecting hole support body end socket (17) and the sealing gasket (15) together through four bolts (16), and the structure is convenient for the installation of an inner sealing ring (20), the limitation of the motion position of the connecting hole support body (14) and the further sealing of the inside of the connecting hole support body (14). The bottom end of the motion joint (5) is provided with a through hole which is communicated with a flow channel in the center of the motion joint (5), and the motion joint (5) is connected with external rotation power through a locating pin, so that the motion joint (5) rotates around a central shaft at a fixed angle, and the motion joint (5) is communicated with the connecting holes (4) in different positions. The embodiment is matched with the invention, so that overheat exhaust detection and positioning injection of low-temperature gasification liquid to batteries in different positions in the battery pack are realized, the temperature of the overheat batteries is reduced, and the spread of thermal combustion is restrained.
Claims (6)
1. A battery pack thermal safety control system is characterized in that the battery pack thermal safety control system has the dual functions of overheat exhaust detection and positioning injection liquid low-temperature gasification thermal combustion inhibition of a battery in a battery pack,
the battery pack thermal safety control system comprises a battery pack, a pipe orifice, a runner, a plurality of connecting holes, a motion joint, a multi-way control valve, a gas pipe, a gas detection device, a suction pump, a one-way valve, a transfusion pipe, a control valve and a low-temperature gasification liquid supply device, wherein one end of the runner is connected with the pipe orifice positioned in the battery pack, one end of the runner, which is far away from the pipe orifice, is used for being connected with the plurality of connecting holes, the pipe orifice is arranged at different positions in the battery pack, the motion joint can be sequentially communicated with the connecting holes in a rotating or reciprocating mode, the other end of the motion joint is connected with the multi-way control valve, one branch of the multi-way control valve is connected with the gas detection device, the suction pump and the one-way valve through the gas pipe, and the other branch of the multi-way control valve is connected with the gas control valve and the low-temperature gasification liquid supply device through the transfusion pipe;
the motion joint is used for sequentially connecting with the plurality of connecting holes in the overheat exhaust detection process of the battery through rotation or reciprocation, communicating with the gas detection device and the suction pump through the multi-way control valve, inspecting the gas composition change of different areas, and finely dividing to judge the overheat state;
the motion joint is used for being positioned and communicated with the connecting hole at the overheat state zone when the positioning injection liquid is gasified at a low temperature, and is respectively communicated with the control valve and the low-temperature gasification liquid supply device through the multi-way control valve so as to enable the low-temperature gasification liquid to flow through the pipe orifice for injection, and the battery overheat is restrained by thermal combustion.
2. The battery pack thermal safety control system according to claim 1, wherein the plurality of connection holes are arranged in a single row, a plurality of rows, a sequence, and a staggered arrangement, and the plurality of connection holes and the moving joint are connected in a rotary or reciprocating motion in a certain sequence.
3. The battery pack thermal safety control system according to claim 1, wherein when the positioning spraying is performed, the pipe orifice main spraying directly corresponding to the battery overheat area is linked with the adjacent side pipe orifice auxiliary spraying, so as to perform main cooling on the overheat area battery in the battery pack and perform thermal-combustion blocking cooling on the surrounding batteries.
4. The battery pack thermal safety management and control system of claim 2, wherein the rotary or reciprocating motion connection is that the motion joint is connected with the plurality of connecting holes arranged in a single row, a plurality of rows, a sequence, and a staggered manner through rotary, linear reciprocating, arc reciprocating, and irregular reciprocating motions.
5. The battery pack thermal safety management system of claim 2, wherein the single row, multiple rows, sequential, staggered porous arrangement, the distribution of connecting holes is one of single row, multiple rows, sequential, multiple rows.
6. The battery pack thermal safety control system according to claim 1, wherein the low-temperature gasification liquid supply device is a heat pump system refrigerant branch or an independent low-temperature gasification liquid storage supply device, and the low-temperature gasification liquid has the characteristics of incombustibility, flame retardance, heat inhibition and explosion prevention.
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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810523836.8A CN108736085B (en) | 2018-05-28 | 2018-05-28 | Battery pack thermal safety control system |
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| Publication Number | Publication Date |
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| CN108736085A CN108736085A (en) | 2018-11-02 |
| CN108736085B true CN108736085B (en) | 2024-03-12 |
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| CN201810523836.8A Active CN108736085B (en) | 2018-05-28 | 2018-05-28 | Battery pack thermal safety control system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109786891B (en) * | 2019-01-11 | 2020-06-30 | 台州职业技术学院 | New forms of energy power automobile group battery air cooling structure |
| CN110556606B (en) * | 2019-09-05 | 2023-09-19 | 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 |
| CN208226041U (en) * | 2018-05-28 | 2018-12-11 | 吉林大学 | The thermally safe managing and control system of battery pack |
-
2018
- 2018-05-28 CN CN201810523836.8A patent/CN108736085B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN208226041U (en) * | 2018-05-28 | 2018-12-11 | 吉林大学 | The thermally safe managing and control system of battery pack |
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| CN108736085A (en) | 2018-11-02 |
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