CN214625306U - Battery thermal runaway prevention isolation assembly, battery module and battery pack - Google Patents
Battery thermal runaway prevention isolation assembly, battery module and battery pack Download PDFInfo
- Publication number
- CN214625306U CN214625306U CN202120631243.0U CN202120631243U CN214625306U CN 214625306 U CN214625306 U CN 214625306U CN 202120631243 U CN202120631243 U CN 202120631243U CN 214625306 U CN214625306 U CN 214625306U
- Authority
- CN
- China
- Prior art keywords
- battery
- thermal runaway
- fire extinguishing
- wiring harness
- runaway prevention
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002265 prevention Effects 0.000 title claims abstract description 39
- 238000002955 isolation Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000009413 insulation Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 239000000126 substance Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010702 perfluoropolyether Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 239000002000 Electrolyte additive Substances 0.000 description 1
- 229920004449 Halon® Polymers 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- -1 perfluoro compounds Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
Images
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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of battery production and manufacture, in particular to an isolation component, a battery module and a battery pack for preventing battery thermal runaway, which comprises a wiring harness board (1); a fire extinguishing member (2) attached to the harness plate (1); at least one part of the fire extinguishing part (2) is exposed below the wiring harness board (1), a thermal runaway prevention material is contained in the fire extinguishing part (2), and the fire extinguishing part (2) is melted through at a set temperature to release the thermal runaway prevention material to a battery system. The utility model discloses can melt when the battery thermal runaway and wear the part of putting out a fire, put out a fire the cooling to the position of thermal runaway, slow down the thermal runaway of battery, improve battery system's security.
Description
Technical Field
The utility model belongs to the technical field of battery production manufacturing, concretely relates to prevent battery thermal runaway's isolation subassembly, battery module and battery package.
Background
Nowadays, green, high-efficiency secondary batteries are vigorously developed in various countries. The lithium ion battery as a novel secondary battery has the advantages of large energy density and power density, high working voltage, light weight, small volume, long cycle life, good safety, environmental protection and the like, and has wide application prospect in the aspects of portable electric appliances, electric tools, large-scale energy storage, electric traffic power supplies and the like. When the power battery fails, a large amount of gas is generated, if the gas cannot be discharged in time, the battery accumulated to a certain volume can explode and even spread to other batteries, and a series of runaway happens. With the development of new energy automobiles, the safety requirements of the new energy automobiles as power batteries of the new energy automobiles are higher and higher.
The means that prevents thermal runaway at present mainly is that the explosion-proof valve through on the electric core lets out gas and sets up the heat insulating mattress and prevent the thermal runaway transmission between the electric core of module level, and this can only delay stretching of thermal runaway, can not play the effect of putting out a fire.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model lies in: the battery thermal runaway prevention isolation assembly can melt through a fire extinguishing part when the battery is in thermal runaway, extinguishes and cools a thermal runaway position, slows down the thermal runaway of the battery, and improves the safety of a battery system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an isolation assembly to prevent thermal runaway of a battery, comprising a wiring harness plate; a fire extinguishing member mounted to the harness plate; at least one part of the fire extinguishing part is exposed below the wiring harness board, a thermal runaway prevention material is contained in the fire extinguishing part, and the fire extinguishing part is melted through at a set temperature and releases the thermal runaway prevention material to the battery system.
Preferably, the pencil board installation the position of putting out a fire the part is provided with multilayer structure, form between the multilayer structure and be used for the installation the space of putting out a fire the part, multilayer structure's at least bottom is provided with a plurality of intercommunication the fretwork hole of putting out a fire the part, the fretwork hole is used for corresponding the explosion-proof position of battery.
Preferably, the plurality of hollowed-out holes are sequentially arranged along the length direction of the wiring harness plate.
Preferably, the bottom of the harness plate is provided with a groove, and the groove forms a space for installing the fire extinguishing member.
Preferably, the top of the wiring harness plate is provided with a through hole communicated with the groove, and the through hole is used for corresponding to the explosion-proof position of the battery.
Preferably, the wire harness plate is provided with a plurality of pole post holes, the pole post holes are uniformly distributed on two sides of the fire extinguishing part, and the pole post holes are used for corresponding pole posts of the battery.
Preferably, the outer wall of the fire extinguishing part is an insulating film, and the thermal runaway prevention material is coated in the insulating film.
Preferably, the isolation assembly further comprises an upper cover, the upper cover is arranged above the wiring harness plate, and the upper cover covers the wiring harness plate.
A second object of the present invention is to provide a battery module, which comprises a plurality of batteries disposed below the wiring harness board; the end plates and the side plates form a frame for accommodating a plurality of batteries in a surrounding manner; and the isolating assembly is used for preventing the thermal runaway of the batteries, a plurality of bus bars are installed at the top of the wiring harness board, and two adjacent batteries are electrically connected through the bus bars.
The third object of the present invention is to provide a battery pack, including the above battery module.
The utility model has the advantages that the utility model comprises a wire harness plate; a fire extinguishing member mounted to the harness plate; at least one part of the fire extinguishing part is exposed below the wiring harness board, a thermal runaway prevention material is contained in the fire extinguishing part, and the fire extinguishing part is melted through at a set temperature and releases the thermal runaway prevention material to the battery system. Because the existing means for preventing thermal runaway mainly comprises the steps of discharging gas through an explosion-proof valve on an electric core and arranging a heat insulation pad between the electric cores at a module level to prevent thermal runaway transmission between the electric cores, which only can delay the spread of the thermal runaway and can not play a fire extinguishing effect, a fire extinguishing component is arranged on a wiring harness board, the position of the fire extinguishing component corresponds to the explosion-proof position of a battery, and the fire extinguishing component contains a thermal runaway prevention material, and is in a closed state when in normal use, so that the thermal runaway prevention material is isolated from the electrolyte environment inside the battery and the environment outside the module, and at least one part of the fire extinguishing component is exposed below the wiring harness board, when the thermal runaway occurs in the electric core in the module, flame, gas, chemical substances and the like are sprayed out from the explosion-proof position of the battery to break or melt the fire extinguishing component, so that the fire extinguishing component is broken and releases the thermal runaway prevention material to a battery system, the wire harness plate and the fire extinguishing component can adopt an integrated structure, namely, the fire extinguishing component is embedded into the wire harness plate, so that the stability and the strength between the wire harness plate and the fire extinguishing component are improved, the process of independently producing the wire harness plate or the fire extinguishing component is omitted, and the production cost is reduced; the wiring harness board and the fire extinguishing component can adopt a split structure, namely, a clamping part and/or a buckling part can be reserved on the wiring harness board and the fire extinguishing component respectively, so that the wiring harness board and the fire extinguishing component are fixedly connected. The utility model discloses can melt when the battery thermal runaway and wear the part of putting out a fire, put out a fire the cooling to the position of thermal runaway, slow down the thermal runaway of battery, improve battery system's security.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic bottom structure diagram of a first embodiment of the present invention.
Fig. 3 is an exploded view of a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 5 is a schematic bottom structure diagram of a second embodiment of the present invention.
Fig. 6 is an exploded view of a second embodiment of the present invention.
Fig. 7 is an exploded view of a fourth embodiment of the present invention.
Fig. 8 is an exploded view of a fifth embodiment of the present invention.
Wherein the reference numerals are as follows:
1-a wiring harness board; 11-a multilayer structure; 12-a groove; 13-a through hole; 14-a pole hole; 111-hollowed out holes;
2-a fire extinguishing component;
4-a battery; 41-explosion-proof position;
5-end plate; 6-side plate;
x-length direction.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to fig. 1 to 8, but the present invention is not limited thereto.
Implementation mode one
An insulation assembly for preventing thermal runaway of a battery comprises a wiring harness board 1; a fire extinguishing member 2 mounted on the harness plate 1; at least one part of the fire extinguishing part 2 is exposed below the wiring harness board 1, the thermal runaway prevention material is contained in the fire extinguishing part 2, and the fire extinguishing part 2 is melted through at a set temperature to release the thermal runaway prevention material to the battery system.
Because the existing means for preventing thermal runaway mainly comprises the steps of discharging gas through an explosion-proof valve on an electric core and arranging a heat insulation pad between the electric cores at a module level to prevent thermal runaway transmission between the electric cores, which only can delay the spread of the thermal runaway and cannot play a fire extinguishing effect, the fire extinguishing component 2 is arranged on the wiring board 1, the position of the fire extinguishing component 2 corresponds to an explosion-proof position 41 of the battery 4, and the fire extinguishing component 2 contains a thermal runaway preventing material, during normal use, the fire extinguishing component 2 is in a closed state, so that the thermal runaway preventing material is isolated from an electrolyte environment inside the battery and an environment outside the module, at least one part of the fire extinguishing component 2 is exposed below the wiring board 1, when the thermal runaway occurs in the electric core in the module, flame, gas, chemical substances and the like are sprayed out from the explosion-proof position 41 of the battery 4 to rush or melt the fire extinguishing component 2, so that the fire extinguishing component 2 is broken, the thermal runaway prevention material is released to the battery system, so that the flame-retardant and fire-extinguishing effects are achieved, further contact between combustible materials and oxygen is blocked, meanwhile, the thermal runaway prevention material is further vaporized in a high-temperature environment and enters a space at the top of the battery, a large amount of heat can be taken away, the temperature of the single battery is reduced, and thermal runaway of the single battery is avoided, wherein the wiring harness board 1 and the fire extinguishing part 2 can adopt an integrated structure, namely the fire extinguishing part 2 is embedded into the wiring harness board 1, so that the stability and the strength between the wiring harness board 1 and the fire extinguishing part 2 are improved, the process of independently producing the wiring harness board 1 or the fire extinguishing part 2 is omitted, and the production cost is reduced; the wiring harness board 1 and the fire extinguishing part 2 can adopt a split structure, namely, a clamping part and/or a buckling part can be reserved on the wiring harness board 1 and the fire extinguishing part 2 respectively, so that the wiring harness board 1 and the fire extinguishing part 2 are fixedly connected.
In this embodiment, at least one of a coolant, an electrolyte additive and a fire extinguishing agent may be used as the thermal runaway prevention material, specifically, the thermal runaway prevention material includes but is not limited to heptafluoropropane, perfluoropolyether, perfluorohexanone, aerosol, alkyl halide (halon), hydrofluorocarbon compounds or perfluoro compounds, and may also be a composite material, that is, a composite material including at least one of the above materials, the hydrofluorocarbon compounds including but not limited to R134A (alternative refrigerant of R12), R125, R32, R407C, R410A (alternative refrigerant of R22), R152, etc.; perfluoro-type compounds include, but are not limited to, perfluorohexanone, perfluoropolyether.
In the isolating component that prevents battery thermal runaway according to the utility model discloses a position that bundle board 1 installation part 2 of putting out a fire is provided with multilayer structure 11, forms the space that is used for installing part 2 of putting out a fire between multilayer structure 11, and multilayer structure 11's at least bottom is provided with the fretwork hole 111 that a plurality of intercommunication part 2 of putting out a fire, and fretwork hole 111 is used for corresponding battery 4's explosion-proof position 41. In the present embodiment, the number of layers of the multi-layer structure 11 is two, and a space for installing the fire extinguishing component 2 is formed between the two layers, that is, a receiving cavity is formed, which plays a role of receiving the thermal runaway prevention material; at the at least bottom of multilayer structure 11 increase a plurality of fretwork hole 111, and fretwork hole 111 intercommunication fire extinguishing parts 2, when the battery takes place the thermal runaway, electric core blowout flame, gas, chemical etc. break through the outer wall of fire extinguishing parts 2 fast through fretwork hole 111, and the outer wall of fire extinguishing parts 2 melts under high temperature, and the material of preventing the thermal runaway is put out a fire or is cooled down to aiming at the electric core of out of control, helps reducing the probability that the battery takes place the thermal runaway.
According to the utility model discloses an among the battery thermal runaway's the isolation subassembly, a plurality of fretwork hole 111 arranges in proper order along the length direction X of strake 1, according to the distribution of the explosion-proof position 41 of actual battery, also can arrange or other regular arrangements, or anomalous arrangement a plurality of fretwork hole 111 along the width direction, satisfy the explosion-proof position 41 that fretwork hole 111 aimed at the battery can, be favorable to in time releasing the material of thermal runaway, reduce the probability that the battery takes place the thermal runaway.
In the isolating component for preventing battery thermal runaway, the outer wall of the fire extinguishing component 2 is an insulating film, and the thermal runaway preventing material is coated in the insulating film. The insulating film can adopt PE film, PP film and the like; specifically, the material can also be engineering materials such as a PET film, a PC film, a PI film and the like, and under the normal state of the battery, the insulating film plays a role of packaging a thermal runaway prevention material and prevents oxygen, moisture and the like in the external environment from corroding; at high temperatures, the insulating film melts, releasing the thermal runaway material. In addition, if the outer wall of the fire extinguishing part 2 can also adopt a metal material, the wiring harness plate 1 and the fire extinguishing part 2 are integrally formed, so that the fire extinguishing part 2 is embedded in the wiring harness plate 1, namely, the metal fire extinguishing part 2 is embedded in the wiring harness plate 1 integrally formed with the fire extinguishing part 2, the stability and the strength between the wiring harness plate 1 and the fire extinguishing part 2 are improved, the process of independently producing the wiring harness plate 1 is omitted, and the production cost is reduced.
In this embodiment, the one side that the part of putting out a fire 2 just is to the explosion-proof position 41 of battery 4 is planar structure, can reduce the height of putting out a fire after part of 2 and the equipment of pencil board 1, reduces to encroach the inside space of battery module, helps improving the space utilization of battery module to improve the energy density of battery module.
The utility model discloses a theory of operation is:
the fire extinguishing component 2 is arranged on the wiring harness board 1, the position of the fire extinguishing component 2 corresponds to the explosion-proof position 41 of the battery 4, the fire extinguishing component 2 contains a thermal runaway prevention material, when the fire extinguishing component 2 is in a closed state in normal use, the thermal runaway prevention material is isolated from the electrolyte environment inside the battery and the environment outside the module, at least one part of the fire extinguishing component 2 is exposed below the wiring harness board 1, when thermal runaway occurs in an electric core in the module, flame, gas, chemical substances and the like are sprayed out from the explosion-proof position 41 of the battery 4 to break or melt the fire extinguishing component 2, so that the thermal runaway prevention material is broken and released to a battery system, the effects of inflaming retarding and fire extinguishing are achieved, further contact between combustible substances and oxygen is blocked, meanwhile, the thermal runaway prevention material is further vaporized in a high-temperature environment, enters the space at the top of the battery and can also take away a large amount of heat, therefore, the temperature of the single battery is reduced, the thermal runaway of the single battery is avoided, the wiring harness plate 1 and the fire extinguishing component 2 can adopt an integrated structure, namely the fire extinguishing component 2 is embedded into the wiring harness plate 1, the stability and the strength between the wiring harness plate 1 and the fire extinguishing component 2 are improved, the process of independently producing the wiring harness plate 1 or the fire extinguishing component 2 is omitted, and the production cost is reduced; the wiring harness board 1 and the fire extinguishing part 2 can adopt a split structure, namely, a clamping part and/or a buckling part can be reserved on the wiring harness board 1 and the fire extinguishing part 2 respectively, so that the wiring harness board 1 and the fire extinguishing part 2 are fixedly connected.
Second embodiment
The difference from the first embodiment is that: the bottom of the wire harness plate 1 of the present embodiment is provided with a groove 12, the groove 12 forms a space for installing the fire extinguishing member 2, the top of the wire harness plate 1 is provided with a through hole 13 communicating with the groove 12, and the through hole 13 is used for corresponding to the explosion-proof position 41 of the battery 4. Specifically, the fire extinguishing part 2 is directly arranged in a groove 12 at the bottom of the wiring harness plate 1, after the wiring harness plate 1 is formed, the fire extinguishing part 2 is arranged in the groove 12, the fire extinguishing part 2 is equivalent to an independent part, the fire extinguishing part 2 is convenient to detach, install and replace, and the production and maintenance cost of the module is reduced; and the fire extinguishing component 2 is arranged in the groove 12, and no other part is arranged below the fire extinguishing component 2 for shielding, so that the fire extinguishing component 2 is convenient to align to the explosion-proof position 41 of the battery, the probability of dislocation of the fire extinguishing component 2 and the explosion-proof position 41 of the battery is reduced, and in addition, the fire extinguishing component 2 is not shielded, so that a larger crevasse or notch can be formed when the material is melted at high temperature, and the release amount of the thermal runaway prevention material is increased. Wherein, the top of pencil board 1 is provided with the through-hole 13 of intercommunication recess 12, and behind high temperature melting extinguishing part 2, partial electric core blowout flame, gas, chemical can pass through-hole 13, realize quick pressure release to reduce the inside pressure of battery.
Other structures are the same as those of the first embodiment, and are not described herein again.
Third embodiment
The difference from the first embodiment is that: the isolation assembly of the embodiment further comprises an upper cover, the upper cover is arranged above the wiring harness plate 1 and covers the wiring harness plate 1, the wiring harness plate 1 is provided with a plurality of pole holes 14, the pole holes 14 are uniformly distributed on two sides of the fire extinguishing part 2, and the pole holes 14 are used for poles corresponding to the batteries 4. Increase the upper cover, prevent that core blowout flame, gas, chemical from splashing outside the battery module, help improving the security of battery, pencil board 1 increases utmost point post hole 14 for battery 4's utmost point post can pass pencil board 1, connect the busbar on the pencil board 1, thereby realize series connection or parallel connection between battery 4, in this embodiment, utmost point post hole 14 equipartition is in the both sides of part 2 of putting out a fire, nevertheless the utility model discloses do not regard as this to limit, utmost point post hole 14 can be according to actual battery 4's range and adjusting position, satisfy between utmost point post and the busbar the electricity connect can. Wherein, the upper cover is the plastic piece, plays insulating effect, through covering wiring harness board 1, plays the effect of sheltering from the busbar, avoids busbar and external part to take place the short circuit.
Other structures are the same as those of the first embodiment, and are not described herein again.
Embodiment IV
A battery module comprises a plurality of batteries 4 arranged below a wiring harness board 1; the end plates 5 and the side plates 6 enclose a frame for accommodating a plurality of batteries 4; and like the battery thermal runaway prevention isolation assembly of the first embodiment, a plurality of busbars are installed at the top of the wiring harness board 1, and two adjacent batteries 4 are electrically connected through the busbars.
It should be noted that: the end plate 5 and the side plate 6 are enclosed to form a frame for accommodating the plurality of batteries 4, so that the plurality of batteries 4 can be enclosed, the batteries 4 are prevented from being displaced or shaken, and the stability of the plurality of batteries 4 is improved
Fifth embodiment
A battery module comprises a plurality of batteries 4 arranged below a wiring harness board 1; the end plates 5 and the side plates 6 enclose a frame for accommodating a plurality of batteries 4; and like the battery thermal runaway prevention isolation assembly of the second embodiment, a plurality of busbars are installed at the top of the wiring harness board 1, and two adjacent batteries 4 are electrically connected through the busbars.
Sixth embodiment
A battery module comprises a plurality of batteries 4 arranged below a wiring harness board 1; the end plates 5 and the side plates 6 enclose a frame for accommodating a plurality of batteries 4; and like the third embodiment's battery thermal runaway's isolation subassembly of preventing, a plurality of busbar are installed to the top of pencil board 1, and pass through the busbar electricity between two adjacent batteries 4 and connect.
Seventh embodiment
A battery pack includes the battery module of the fourth embodiment.
Embodiment eight
A battery pack includes the battery module of embodiment five.
Ninth embodiment
A battery pack includes the battery module of embodiment six.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A battery thermal runaway resistant insulation assembly comprising:
a harness plate (1);
a fire extinguishing member (2) attached to the harness plate (1);
at least one part of the fire extinguishing part (2) is exposed below the wiring harness board (1), a thermal runaway prevention material is contained in the fire extinguishing part (2), and the fire extinguishing part (2) is melted through at a set temperature to release the thermal runaway prevention material to a battery system.
2. The battery thermal runaway prevention isolation assembly of claim 1, wherein: the utility model discloses a fire extinguishing component, including pencil board (1), fire extinguishing component's position is provided with multilayer structure (11), form between multilayer structure (11) and be used for the installation the space of fire extinguishing component (2), the at least bottom of multilayer structure (11) is provided with a plurality of intercommunication the fretwork hole (111) of fire extinguishing component (2), fretwork hole (111) are used for explosion-proof position (41) of corresponding battery (4).
3. The battery thermal runaway prevention isolation assembly of claim 2, wherein: the plurality of hollow holes (111) are sequentially arranged along the length direction (X) of the wiring harness plate (1).
4. The battery thermal runaway prevention isolation assembly of claim 1, wherein: the bottom of the wiring harness board (1) is provided with a groove (12), and the groove (12) forms a space for installing the fire extinguishing component (2).
5. The battery thermal runaway prevention isolation assembly of claim 4, wherein: the top of the wiring harness board (1) is provided with a through hole (13) communicated with the groove (12), and the through hole (13) is used for corresponding to an explosion-proof position (41) of the battery (4).
6. The battery thermal runaway prevention insulation assembly of any one of claims 1 to 5, wherein: the wiring harness board (1) is provided with a plurality of pole column holes (14), the pole column holes (14) are uniformly distributed on two sides of the fire extinguishing part (2), and the pole column holes (14) are used for corresponding to pole columns of the battery (4).
7. The battery thermal runaway prevention insulation assembly of any one of claims 1 to 5, wherein: the outer wall of the fire extinguishing part (2) is an insulating film, and the thermal runaway prevention material is coated in the insulating film.
8. The battery thermal runaway prevention insulation assembly of any one of claims 1 to 5, wherein: the isolation assembly further comprises an upper cover, the upper cover is arranged above the wiring harness plate (1), and the upper cover covers the wiring harness plate (1).
9. A battery module, comprising:
a plurality of batteries (4) disposed below the harness plate (1);
the end plates (5) and the side plates (6) enclose a frame for accommodating a plurality of batteries (4); and
the battery thermal runaway prevention isolation assembly as claimed in any one of claims 1 to 8, wherein a plurality of busbars are mounted on the top of the wiring harness board (1), and two adjacent batteries (4) are electrically connected through the busbars.
10. A battery pack, comprising: comprising the battery module according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120631243.0U CN214625306U (en) | 2021-03-29 | 2021-03-29 | Battery thermal runaway prevention isolation assembly, battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120631243.0U CN214625306U (en) | 2021-03-29 | 2021-03-29 | Battery thermal runaway prevention isolation assembly, battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214625306U true CN214625306U (en) | 2021-11-05 |
Family
ID=78397697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120631243.0U Active CN214625306U (en) | 2021-03-29 | 2021-03-29 | Battery thermal runaway prevention isolation assembly, battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214625306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699678A (en) * | 2022-03-30 | 2022-07-05 | 清华大学 | Miniature fire extinguishing device and fire extinguishing method of lithium ion battery |
-
2021
- 2021-03-29 CN CN202120631243.0U patent/CN214625306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699678A (en) * | 2022-03-30 | 2022-07-05 | 清华大学 | Miniature fire extinguishing device and fire extinguishing method of lithium ion battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190097204A1 (en) | Lithium Ion Battery With Modular Bus Bar Assemblies | |
| CN113196550A (en) | Housing for rechargeable battery | |
| CN214428739U (en) | Thermal runaway prevention assembly and battery module | |
| CN112103424B (en) | Battery module, battery pack including the battery module, and energy storage system including the battery pack | |
| KR20170005117A (en) | Lithium ion battery with thermal runaway protection | |
| KR20180088467A (en) | Low-profile pressure relief for lithium-ion batteries | |
| WO2016072594A1 (en) | Cartridge frame having double side wall structure, and battery module comprising same | |
| CN103872270A (en) | Energy storage device having a safety coating | |
| CN211428210U (en) | Battery package upper cover and battery package | |
| CN113036265B (en) | Battery module with heat pipe | |
| AU2021296595B2 (en) | Battery systems | |
| CN209056524U (en) | A kind of battery pack with thermal expansion adiabatic apparatus | |
| CN214625306U (en) | Battery thermal runaway prevention isolation assembly, battery module and battery pack | |
| CN112635887A (en) | Delay burning prevention battery with air leakage channel | |
| KR102479561B1 (en) | Safety protection and control method and device of battery energy storage module | |
| CN214625211U (en) | Structure for preventing thermal runaway of battery, battery module and battery pack | |
| CN114891416A (en) | Heat-insulating flame-retardant fireproof coating material for lithium ion battery pack shell | |
| CN213520164U (en) | Battery module structure and battery | |
| CN112952252A (en) | Structure for preventing battery explosion, battery module and battery pack | |
| CN212848528U (en) | Flame-retardant lithium ion battery component | |
| CN216354600U (en) | Battery pack and power device | |
| CN221574101U (en) | Battery module | |
| CN221102194U (en) | Fireproof battery | |
| CN218351648U (en) | Battery energy storage system for preventing thermal runaway | |
| CN221239701U (en) | Flame-retardant box for power battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220124 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: Room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Suzhou, Jiangsu 215500 Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: Jiangsu Tafel Power System Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |