CN213878330U - Module thermal runaway directional exhaust mechanism - Google Patents
Module thermal runaway directional exhaust mechanism Download PDFInfo
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- CN213878330U CN213878330U CN202022863300.6U CN202022863300U CN213878330U CN 213878330 U CN213878330 U CN 213878330U CN 202022863300 U CN202022863300 U CN 202022863300U CN 213878330 U CN213878330 U CN 213878330U
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- silica gel
- copper bar
- module
- thermal runaway
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model provides a module thermal runaway directional exhaust mechanism, including module unit, casing, bottom plate, module insulation assembly, bottom silica gel and top silica gel, the module unit is the cuboid structure, module unit top coating top silica gel, bottom coating bottom silica gel, module unit top installation casing, the below be equipped with casing fixed connection's bottom plate, inside top silica gel, bottom silica gel all were located the shell that casing and bottom plate formed, the support frame of a module insulation assembly was installed respectively at the both ends of module unit, was equipped with a plurality of copper bars and utmost point ear on the support frame and wears to hole, the module unit includes a plurality of electric cores, and utmost point ear wears to hole and is used for inserting the utmost point ear of electric core, separates through copper bar or insulation board between two adjacent utmost point ears wear to hole. Module thermal runaway directional exhaust mechanism, simple structure, convenient operation through rubber coating and shell structure's setting, realize two-way exhaust or one-way carminative directional exhaust.
Description
Technical Field
The utility model belongs to the technical field of power battery accessories, especially, relate to a module thermal runaway directional exhaust mechanism.
Background
Nowadays, new energy vehicles are rapidly developed day by day, the safety of electric vehicles is the focus of attention of consumers and is also the fundamental guarantee of the healthy development of new energy vehicle industry. Each big whole car factory also is higher and higher to the requirement of safety, follows the PACK level gradually to thermal runaway's solution level, slowly extends to the module level and even electric core level. The method has clear requirements on the eruption direction and the air displacement of the battery cell when thermal runaway occurs. To the module of crust electricity core, crust electricity core all has explosion-proof valve, all erupts at explosion-proof valve's position during eruption. For soft package electricity core, mainly contain utmost point ear side and banding side, all probably take place to erupt from four faces. If when electric core thermal runaway takes place, the eruption direction is uncertain, when the module design, just must many-sided consideration, when doing the structural design, exhaust air flue when module thermal runaway needs to be reserved in advance to prevent when module thermal runaway, block up the exhaust passage or not have the exhaust passage, cause the exhaust unsmooth or unable exhaust, and arouse the explosion of catching a fire, consequently realize the directional exhaust of electric core very necessary. If the size of the battery cell is small, the battery cell is generally sprayed from the side of the pole lug when thermal runaway occurs, but when the size of the battery cell is particularly large, particularly the size in the length direction is large, the spraying of the battery cell during thermal runaway is uncertain.
Disclosure of Invention
In view of this, the utility model aims at providing a module thermal runaway directional exhaust mechanism to solve the uncertain problem of current large-scale electricity core eruption direction.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a module thermal runaway directional exhaust mechanism, includes module unit, casing, bottom plate, module insulation assembly, bottom silica gel and top silica gel, and the module unit is the cuboid structure, module unit top coating top silica gel, bottom coating bottom silica gel, module unit top installation casing, the below be equipped with casing fixed connection's bottom plate, top silica gel, bottom silica gel all are located inside the shell that casing and bottom plate formed, and the support frame of a module insulation assembly is installed respectively at the both ends of module unit, are equipped with a plurality of copper bars and utmost point ear and wear to hole on the support frame, and the module unit includes a plurality of electric cores, and utmost point ear wears to hole and is used for inserting the utmost point ear of electric core, separates through copper bar or insulation board between two adjacent utmost point ears wear to hole.
Further, module insulation assembly still includes stopper, copper bar hot melting point and copper bar installation department, and a plurality of utmost point ears of equipartition are fixed to be organized and the copper bar installation department on the support frame, and utmost point ear is fixed to be organized and copper bar installation department interval arrangement, and the copper bar installation department is used for installing the copper bar.
Furthermore, the lug fixing group is provided with lug penetrating holes with symmetrical positions and structures, the inner side of each lug penetrating hole is provided with an insulating plate, and a gap is formed between the two insulating plates.
Furthermore, a plurality of heat dissipation holes are formed in the copper bar installation portion.
Furthermore, the module insulation assembly is made of plastic.
Further, one side of copper bar installation department is equipped with the stopper, and the opposite side is equipped with a pair of copper bar hot melt point, and copper bar hot melt point is located the both sides of copper bar.
Furthermore, the number of the limiting blocks is two, and the limiting blocks are symmetrically distributed.
Further, the stopper includes a panel and No. two panels of an organic whole structure, and a panel is the cuboid structure, and the cross section of No. two panels is positive L type structure, and the one end fixed connection of No. two panels is to the support frame, and No. one panel of side-mounting of No. two panels, the inboard fixed connection of a panel to the support frame, the top of stopper forms hollow groove structure, and the width in hollow groove is greater than the thickness of copper bar.
Furthermore, one end of the module unit is coated with silica gel.
Further, the module unit still includes that silica gel bubble is cotton and aerogel, is equipped with a slice silica gel bubble between per two electric cores cotton, is equipped with a slice aerogel between per two electric cores, and the silica gel bubble is cotton and aerogel interval arrangement, and the cross section of aerogel is the L type, and the L type covers two adjacent electric cores completely.
Compared with the prior art, module thermal runaway directional exhaust mechanism have following advantage:
(1) module thermal runaway directional exhaust mechanism, simple structure, convenient operation through rubber coating and shell structure's setting, realize two-way exhaust or one-way carminative directional exhaust.
(2) Module thermal runaway directional exhaust mechanism, through the design to casing and bottom plate structure, carry out the first layer guarantee to directional exhaust, through the structure of design module unit, carry out the second floor guarantee to directional exhaust, the directional carminative security and the accuracy of effective guarantee.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is an exploded view of a module thermal runaway directional exhaust mechanism according to an embodiment of the invention;
fig. 2 is an exploded view of a module thermal runaway directional exhaust mechanism according to an embodiment of the present invention;
fig. 3 is a first schematic view of a module insulation assembly according to an embodiment of the present invention;
fig. 4 is a second schematic view of a module insulation assembly according to an embodiment of the present invention;
fig. 5 is an enlarged view of a in fig. 4.
Description of reference numerals:
1-a shell; 2-electric core; 3-soaking the cotton with silica gel; 4-aerogel; 5-a bottom plate; 6-module insulation assembly; 61-an insulating plate; 62-a limiting block; 621-panel number one; 622-panel No. two; 63-copper bar; 64-copper bar hot melting point; 65-the tab penetrates the hole; 66-copper bar mounting part; 661-heat dissipation holes; 67-a support frame; 68-gap; 7-bottom silica gel; 8-top silica gel; 9-silica gel; arrow-exhaust direction.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, 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 by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A module thermal runaway directional exhaust mechanism is shown in figures 1 to 5 and comprises a module unit, a shell 1, a bottom plate 5, a module insulation component 6, bottom silica gel 7 and top silica gel 8, wherein the module unit is of a cuboid structure, the top silica gel 8 is coated on the top of the module unit, the bottom silica gel 7 is coated on the bottom of the module unit, the shell 1 is installed above the module unit, the bottom plate 5 fixedly connected with the shell 1 is arranged below the module unit, the top silica gel 8 and the bottom silica gel 7 are both positioned in a shell formed by the shell 1 and the bottom plate 5, and form exhaust passage between 8 and the casing 1 on top silica gel, the support frame 67 of a module insulation assembly 6 is installed respectively at the both ends of module unit, is equipped with a plurality of copper bars 63 and utmost point ear on the support frame 67 and wears to hold 65, and the module unit includes a plurality of electric cores 2, and utmost point ear wears to hold 65 and is used for inserting the utmost point ear of electric core 2, separates through copper bar 63 or insulation board 61 between two adjacent utmost point ear wears to hold 65. So that an exhaust passage is formed between the adjacent two cells 2. This scheme can prevent effectively that electric core 2 from erupting in both sides hem department, and from erupting from utmost point ear side emphatically.
The cross section of support frame 67 is the L type, conveniently installs with bottom plate 5.
The copper bar mounting part 66 is provided with a plurality of heat dissipation holes 661, which facilitates the module unit to transmit heat to the copper bar 63 in time.
One side of copper bar installation department 66 is equipped with stopper 62 for it is spacing to copper bar 63, and the opposite side is equipped with a pair of copper bar hot melt point 64, and copper bar hot melt point 64 is located the both sides of copper bar 63. Preferably, the number of the limiting blocks 62 is two, and the limiting blocks are symmetrically distributed. The limiting block 62 comprises a first panel 621 and a second panel 622 which are of an integral structure, the first panel 621 is of a cuboid structure, the cross section of the second panel 622 is of a regular L-shaped structure, one end of the second panel 622 is fixedly connected to the support frame 67, the first panel 621 is mounted on the side surface of the second panel 622, and the inner side of the first panel 621 is fixedly connected to the support frame 67. The top of stopper 62 forms hollow groove structure, and the width is greater than the thickness of copper bar 63, conveniently with copper bar 63 disect insertion stopper 62 in, then copper bar 63 inserts behind the stopper 62, the both sides of the other end of copper bar 63 just in time are located between two copper bar hot melt points 64, the staff with copper bar hot melt point 64 hot melt back, make copper bar 63 and support frame 67 weld, the welding step of copper bar 63 has been simplified greatly in this design, the work degree of difficulty has been reduced, and the work efficiency is improved.
The material of module insulating assembly 6 is plastics, and is preferred, the material of module insulating assembly 6 is PBT or PC + ABS, and the material commonality is strong, and is with low costs, and insulating nature is good.
The shell 1 is a U-shaped shell, and the shell 1 and the bottom plate 5 are connected by welding. The bottom plate 5 and the shell 1 are made of aluminum alloy, so that the module unit is convenient to dissipate heat, and the welding of the bottom plate 5 and the shell 1 is facilitated.
If want utmost point ear unilateral exhaust, as shown in fig. 2, need with the opposite side restriction can, specifically, module unit's one end coating silica gel 9, and silica gel 9 does not influence utmost point ear and inserts utmost point ear exit hole 65 to realize module unit thermal runaway directional exhaust.
The module unit still includes that silica gel bubble is cotton 3 and aerogel 4, be equipped with a slice silica gel bubble cotton 3 between per two electric cores 2, be equipped with a slice aerogel 4 between per two electric cores 2, silica gel bubble cotton 3 and 4 interval arrangements of aerogel, the cross section of aerogel 4 is the L type, and the L type covers two adjacent electric cores 2 completely, be about to these two electric cores 2 as a little module, when the electric core 2 of this little module takes place thermal runaway, steam can not wave electric core 2 of other little modules. Even the eruption has been carried out from banding department to electric core 2 of module unit, including the effect of L type aerogel 4 and U type casing 1, gaseous also still follow utmost point ear both sides and drain away. Preferably, the number of the battery cells 2 in the module unit is 12.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a directional exhaust mechanism of module thermal runaway which characterized in that: including module unit, casing, bottom plate, module insulation assembly, bottom silica gel and top silica gel, the module unit is the cuboid structure, module unit top coating top silica gel, bottom coating bottom silica gel, module unit top installation casing, the below be equipped with casing fixed connection's bottom plate, top silica gel, bottom silica gel all are located inside the shell that casing and bottom plate formed, and the support frame of a module insulation assembly is installed respectively at the both ends of module unit, are equipped with a plurality of copper bars and utmost point ear on the support frame and wear to portal, and the module unit includes a plurality of electric cores, and utmost point ear wears to portal and is used for inserting the utmost point ear of electric core, separates through copper bar or insulation board between two adjacent utmost point ears wear to portal.
2. The modular thermal runaway directional vent mechanism of claim 1, wherein: the module insulation assembly further comprises a limiting block, a copper bar hot melting point and a copper bar installation part, wherein a plurality of lug fixing groups and copper bar installation parts are uniformly distributed on the supporting frame, the lug fixing groups and the copper bar installation parts are arranged at intervals, and the copper bar installation parts are used for installing the copper bar.
3. The modular thermal runaway directional vent mechanism of claim 2, wherein: the lug fixing group is provided with lug penetrating holes with symmetrical positions and structures, the inner side of each lug penetrating hole is provided with an insulating plate, and a gap is formed between the two insulating plates.
4. The modular thermal runaway directional vent mechanism of claim 2, wherein: the copper bar installation part is provided with a plurality of heat dissipation holes.
5. The modular thermal runaway directional vent mechanism of claim 1, wherein: the module insulating assembly is made of plastic.
6. The modular thermal runaway directional vent mechanism of claim 2, wherein: one side of copper bar installation department is equipped with the stopper, and the opposite side is equipped with a pair of copper bar hot melt point, and copper bar hot melt point is located the both sides of copper bar.
7. The modular thermal runaway directional exhaust mechanism of claim 6, wherein: the number of the limiting blocks is two, and the limiting blocks are symmetrically distributed.
8. The modular thermal runaway directional vent mechanism of claim 7, wherein: the stopper includes a panel and No. two panels of a body structure, and a panel is the cuboid structure, and the cross section of No. two panels is positive L type structure, and the one end fixed connection of No. two panels is to the support frame, and No. two panels's side-mounting panel, the inboard fixed connection of a panel to the support frame, the top of stopper forms hollow groove structure, and the width in hollow groove is greater than the thickness of copper bar.
9. The modular thermal runaway directional vent mechanism of claim 1, wherein: one end of the module unit is coated with silica gel.
10. The modular thermal runaway directional vent mechanism of claim 1, wherein: the module unit still includes that silica gel bubble is cotton and aerogel, is equipped with a slice silica gel bubble between per two electric cores cotton, is equipped with a slice aerogel between per two electric cores, and silica gel bubble is cotton and aerogel interval arrangement, and the cross section of aerogel is the L type, and the L type covers two adjacent electric cores completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022863300.6U CN213878330U (en) | 2020-12-03 | 2020-12-03 | Module thermal runaway directional exhaust mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022863300.6U CN213878330U (en) | 2020-12-03 | 2020-12-03 | Module thermal runaway directional exhaust mechanism |
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| Publication Number | Publication Date |
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| CN213878330U true CN213878330U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022863300.6U Active CN213878330U (en) | 2020-12-03 | 2020-12-03 | Module thermal runaway directional exhaust mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023158139A1 (en) * | 2022-02-18 | 2023-08-24 | 주식회사 엘지에너지솔루션 | Battery module with screen for inner space division and battery pack including same |
-
2020
- 2020-12-03 CN CN202022863300.6U patent/CN213878330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023158139A1 (en) * | 2022-02-18 | 2023-08-24 | 주식회사 엘지에너지솔루션 | Battery module with screen for inner space division and battery pack including same |
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