CN111293251A - Structure for effectively controlling thermal diffusion - Google Patents
Structure for effectively controlling thermal diffusion Download PDFInfo
- Publication number
- CN111293251A CN111293251A CN202010224314.5A CN202010224314A CN111293251A CN 111293251 A CN111293251 A CN 111293251A CN 202010224314 A CN202010224314 A CN 202010224314A CN 111293251 A CN111293251 A CN 111293251A
- Authority
- CN
- China
- Prior art keywords
- box body
- battery module
- battery
- electric core
- core
- 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.)
- Pending
Links
- 238000009792 diffusion process Methods 0.000 title claims abstract description 20
- 239000004744 fabric Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052628 phlogopite Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 6
- 239000012774 insulation material Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 239000011324 bead Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/317—Re-sealable arrangements
- H01M50/325—Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
-
- 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
Abstract
The invention discloses a structure for effectively controlling thermal diffusion, which comprises a box body, wherein a PACK structure is arranged in the box body, a thermal insulation board is fixedly arranged in the box body through screws, a battery core and a battery module are inserted between the thermal insulation boards, a thermal insulation area is arranged between the battery core and the battery module, and a connector is arranged on the box body; the thermal runaway diffusion path is effectively controlled, and the electric core and the battery module are physically isolated by using a thermal insulation material in the X, Y and Z + directions, so that the influence of heat generated by the thermal runaway electric core on the adjacent electric core and the adjacent battery module is reduced, and the thermal diffusion is prevented; explosion-proof path of letting out through the explosion-proof of setting up electric core explosion-proof valve, physics wall, electric core module thermal insulation material and PACK explosion-proof valve is prolonged to its time of producing harm to the external world after the thermal runaway takes place.
Description
Technical Field
The invention belongs to the technical field of heat control equipment, and particularly relates to a structure for effectively controlling heat diffusion.
Background
The LED lamp beads are fully called semiconductor light-emitting diodes and are made of semiconductor materials, so that electric energy is directly converted into light energy, and an electric signal is converted into a light-emitting device of an optical signal; its advantages are low power consumption, high brightness, gay colour, vibration resistance, long service life and cold light source. The lamp decoration product using the LED lamp bead as the light source inevitably replaces a white fabric lamp in the future of 21 century, and becomes another revolution of human lighting.
The pressing device for mounting the LED lamp beads and the connecting piece together at present is too complex in structure and is not easy to disassemble; when the pressing device presses the electric sheet of the LED lamp bead together with the negative iron sheet and the positive iron sheet of the connecting piece, the electric sheet of the LED lamp bead is often extruded and deformed, and the service life of the electric sheet of the LED lamp bead is influenced.
Disclosure of Invention
The invention aims to provide a structure for effectively controlling heat diffusion so as to solve the problem. . . To a problem of (a).
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an effective control heat diffusion's structure, includes the box, be equipped with the PACK structure in the box, there is the heat insulating board through screw fixed mounting in the box, it has electric core and battery module to peg graft between the heat insulating board, be provided with the thermal isolation district between electric core and the battery module, be provided with the connector on the box, be provided with the relief valve on the electric core, be provided with the same relief valve on the battery module.
Preferably, the box body is an aluminum box body or a sheet metal box body.
Preferably, the pressure relief valve on the battery core or the battery module directs to the box body.
Preferably, phlogopite or glass fiber cloth is arranged on the upper portion and two sides of the battery core or the battery module.
Preferably, a phase change sheet is arranged at the mounting position of the battery core or the battery module.
Preferably, the battery core and the battery module are provided with the same PACK explosion-proof valve in an area.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the direction of the cylindrical or square hard-shell battery cell in Pack design is controlled, namely the direction of the pressure release valve of the battery cell faces one side of the Pack box body, because the Pack box body is generally made of metal material with higher structural strength, when the battery cell is sprayed out in a thermal runaway way, high-temperature (about 600 ℃) gas is sprayed out by the pressure release valve at a high probability and is sprayed to the box body at the first time, the gas temperature is not enough to melt the material of the box body, the high-temperature gas flows out of the PACK structure in an inverted mode, and the box body is one end of a battery Pack far away from the passenger compartment, so that the heat cannot be transmitted into the passenger compartment at the first time, the damage of the thermal runaway to the passenger compartment is greatly reduced, and the universality of.
2. The method has the advantages that due to the low price, more novel materials are not needed, the cost of the original design scheme is reduced, and BOM materials are reduced; the thermal runaway diffusion path is effectively controlled, and the electric core and the battery module are physically isolated by using a thermal insulation material in the X, Y and Z + directions, so that the influence of heat generated by the thermal runaway electric core on the adjacent electric core and the adjacent battery module is reduced, and the thermal diffusion is prevented; explosion-proof path of letting out through the explosion-proof of setting up electric core explosion-proof valve, physics wall, electric core module thermal insulation material and PACK explosion-proof valve is prolonged to its time of producing harm to the external world after the thermal runaway takes place.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is an enlarged view of the area a in fig. 2, and particularly relates to a relationship diagram of a battery cell and a pressure relief valve.
In the figure: 1. a box body; 2. an electric core; 3. a heat insulation plate; 4. a connector; 5. a thermal isolation region; 6. a pressure relief valve; 7. a PACK structure; 8. a battery module is provided.
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a structure for effectively controlling thermal diffusion comprises a box body 1, wherein the box body 1 is an aluminum box body or a sheet metal box body, the melting point of the material of the box body 1 is higher than the temperature of high-temperature gas generated in thermal runaway, so that high-temperature harmful gas generated in the thermal runaway can not be spread to the outside or a passenger cabin, a PACK structure 7 is arranged in the box body 1, a thermal insulation plate 3 is fixedly installed in the box body 1 through screws, a cell 2 and a battery module 8 are inserted between the thermal insulation plates 3, phlogopite or glass fiber cloth is arranged on the upper portion and two sides of the cell 2 or the battery module 8, the heat is prevented from being quickly transferred to a plastic upper cover, the high-temperature gas is prevented from being sprayed outwards, a phase change sheet is arranged on the installation position of the cell 2 or the battery module 8, the heat generated when the cell 2 is out of control is transferred to the box body 1, reduce its temperature rise, prevent to take place thermal diffusion, be provided with thermal isolation region 5 between electric core 2 and the battery module 8, be provided with connector 4 on the box 1, be provided with relief valve 6 on electric core 2, electric core 2 and the regional same PACK explosion-proof valve that is provided with of battery module 8, guarantee that arbitrary module region takes place the thermal runaway back, the temperature rise influence to adjacent region module falls to minimumly, be provided with the same relief valve 6 on the battery module 8, the directional box 1 in relief valve 6 one side on electric core 2 or the battery module 8, force on the high-temperature gas direct direction box 1 that thermal runaway electric core 2 spouted, reduce the heat-conduction to near electric core 2.
The working principle is as follows: by controlling the direction of the cylindrical or square hard-shell battery cell 2 in Pack design, namely, the direction of a pressure release valve 6 of the battery cell 2 faces one side of a Pack box body, because the Pack box body is generally made of metal material with higher structural strength, when the battery cell 2 is sprayed out in thermal runaway, high-temperature (about 600 ℃) gas is sprayed out by the pressure release valve 6 at a high probability and is sprayed to the box body 1 at the first time, the gas temperature is not enough to melt the material of the box body 1, the high-temperature gas flows out of a PACK structure 7 in an inverted mode, and the box body 1 is one end of a battery Pack far away from the passenger compartment, so that the heat cannot be transmitted into the passenger compartment at the first time, the damage of the thermal runaway to the passenger compartment is greatly reduced, and the universality of the patent is applicable to all PACK; the method has the advantages that due to the low price, more novel materials are not needed, the cost of the original design scheme is reduced, and BOM materials are reduced; according to the thermal runaway diffusion path effectively controlled by the method, the electric core 2 and the battery module 8 are physically isolated by using heat insulating materials in the directions of X, Y and Z +, so that the influence of heat generated by the thermal runaway electric core on the adjacent electric core 2 and battery module 8 is reduced to prevent thermal diffusion; this patent is through setting up the explosion-proof path of letting out of explosion-proof valve of electric core, physics wall, electric core module thermal insulation material and the explosion-proof valve of PACK, prolongs the time that it produced harm to the external world after the thermal runaway takes place.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A structure for effectively controlling heat diffusion comprises a box body (1), and is characterized in that: be equipped with PACK structure (7) in box (1), there are heat insulating board (3) through screw fixed mounting in box (1), it has electric core (2) and battery module (8) to peg graft between heat insulating board (3), be provided with thermal isolation region (5) between electric core (2) and battery module (8), be provided with connector (4) on box (1), be provided with relief valve (6) on electric core (2), be provided with same relief valve (6) on battery module (8).
2. A structure for efficiently controlling heat diffusion according to claim 1, wherein: the box body (1) is an aluminum box body or a sheet metal box body.
3. A structure for efficiently controlling heat diffusion according to claim 1, wherein: the battery is characterized in that one side of a pressure release valve 6 on the battery core (2) or the battery module (8) points to the box body (1).
4. A structure for efficiently controlling heat diffusion according to claim 1, wherein: and phlogopite or glass fiber cloth is arranged on the upper part and two sides of the battery core (2) or the battery module (8).
5. A structure for efficiently controlling heat diffusion according to claim 1, wherein: and a phase change sheet is arranged at the mounting position of the battery core (2) or the battery module (8).
6. A structure for efficiently controlling heat diffusion according to claim 1, wherein: the battery core (2) and the battery module (8) are provided with the same PACK explosion-proof valve in an area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224314.5A CN111293251A (en) | 2020-03-26 | 2020-03-26 | Structure for effectively controlling thermal diffusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224314.5A CN111293251A (en) | 2020-03-26 | 2020-03-26 | Structure for effectively controlling thermal diffusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111293251A true CN111293251A (en) | 2020-06-16 |
Family
ID=71030335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010224314.5A Pending CN111293251A (en) | 2020-03-26 | 2020-03-26 | Structure for effectively controlling thermal diffusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111293251A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020127589A1 (en) | 2020-10-20 | 2022-04-21 | Bayerische Motoren Werke Aktiengesellschaft | Robust battery device and motor vehicle |
| CN115275494A (en) * | 2022-08-18 | 2022-11-01 | 合众新能源汽车有限公司 | Battery module with inverted battery core |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579181A (en) * | 2017-08-29 | 2018-01-12 | 北京普莱德新能源电池科技有限公司 | A kind of power battery box of electric vehicle |
| CN209001082U (en) * | 2018-10-31 | 2019-06-18 | 华南理工大学 | A kind of heat management device of power battery |
| CN110190211A (en) * | 2018-12-29 | 2019-08-30 | 比亚迪股份有限公司 | Battery tray, power battery pack and vehicle |
| CN209374623U (en) * | 2018-12-13 | 2019-09-10 | 上海伊控动力系统有限公司 | A kind of battery pack thermal runaway safeguard structure |
-
2020
- 2020-03-26 CN CN202010224314.5A patent/CN111293251A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579181A (en) * | 2017-08-29 | 2018-01-12 | 北京普莱德新能源电池科技有限公司 | A kind of power battery box of electric vehicle |
| CN209001082U (en) * | 2018-10-31 | 2019-06-18 | 华南理工大学 | A kind of heat management device of power battery |
| CN209374623U (en) * | 2018-12-13 | 2019-09-10 | 上海伊控动力系统有限公司 | A kind of battery pack thermal runaway safeguard structure |
| CN110190211A (en) * | 2018-12-29 | 2019-08-30 | 比亚迪股份有限公司 | Battery tray, power battery pack and vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020127589A1 (en) | 2020-10-20 | 2022-04-21 | Bayerische Motoren Werke Aktiengesellschaft | Robust battery device and motor vehicle |
| CN115275494A (en) * | 2022-08-18 | 2022-11-01 | 合众新能源汽车有限公司 | Battery module with inverted battery core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200616 |