CN210182427U - Cast-in explosion-proof structure of lithium battery power supply - Google Patents
Cast-in explosion-proof structure of lithium battery power supply Download PDFInfo
- Publication number
- CN210182427U CN210182427U CN201920512547.8U CN201920512547U CN210182427U CN 210182427 U CN210182427 U CN 210182427U CN 201920512547 U CN201920512547 U CN 201920512547U CN 210182427 U CN210182427 U CN 210182427U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- explosion
- pressure relief
- battery module
- power supply
- 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
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
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a lithium battery power's encapsulation explosion-proof structure, a serial communication port the encapsulation explosion-proof structure include metal casing and set up in the inside lithium battery module of metal casing, the last flame proof pressure relief device that is provided with of metal casing, the lithium battery module pass through the pressure release unit with flame proof pressure relief device intercommunication. The utility model has the advantages that: the direct contact of all ignition sources and the surrounding environment is blocked by adopting a pouring sealing measure, and meanwhile, a pressure relief channel is provided for the lithium battery when a pressure relief valve is opened under the dangerous condition by adopting the pressure relief pipe, so that the overall safety of the lithium battery explosion-proof power supply under the extreme fault condition is ensured, the explosion-proof grade of the lithium battery power supply is improved, and the application range of the lithium battery power supply in an industrial place with an explosive environment is expanded.
Description
Technical Field
The utility model relates to an explosion-proof protection field of lithium ion battery power in the explosive mixture environment, concretely relates to pouring of lithium battery power explosion-proof structure.
Background
With the increasing demand for the capacity of storage batteries and the decreasing demand for the volume of various electronic and electrical devices used in explosive mixture environments, the current industrial production tends to select lithium ion batteries with higher energy density. However, the higher the energy density of the battery, the more factors affecting the safety of the battery, and thus the requirements for explosion protection of the lithium ion battery used in an explosive mixture environment are more strict. The existing explosion-proof measures for the lithium ion battery mostly adopt single explosion-proof protection, and can not effectively isolate ignition sources such as battery electrodes from directly contacting explosive mixtures in the surrounding environment, so that the risk of combustion and explosion caused by fire is very high.
Disclosure of Invention
The utility model aims at providing an encapsulation explosion-proof structure of a lithium battery power supply according to the defects of the prior art, which adopts a metal protective shell as an explosion-proof barrier, and simultaneously, an inner lithium battery module adopts an encapsulation compound to carry out encapsulation, thereby avoiding the exposure of an electric circuit; adopt the pressure release pipe to provide the pressure release passageway for the lithium cell under the dangerous condition when the pressure release valve is opened, in time release battery internal pressure has avoided the too big explosion that produces of internal pressure.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a lithium battery power's encapsulation explosion-proof structure, its characterized in that the encapsulation explosion-proof structure include metal protective housing and set up in the inside lithium battery module of metal protective housing, the last explosion suppression pressure relief device that is provided with of metal protective housing, the lithium battery module pass through the pressure relief unit with explosion suppression pressure relief device intercommunication.
The explosion-proof pressure relief device comprises a flame arrester and a one-way valve which are sequentially arranged from the outside of the metal protective shell to the inside of the metal protective shell, and the metal protective shell comprises a protective shell box body and a protective shell box cover.
The lithium battery module comprises a plurality of single lithium batteries which are sequentially attached and connected in series, and the residual space between the lithium battery module and the metal protective shell is filled with a casting compound.
The pressure release unit includes lithium battery module house steward and a plurality of monomer lithium battery branch pipe, every the monomer lithium battery warp monomer lithium battery branch pipe with lithium battery module house steward intercommunication, lithium battery house steward with the check valve intercommunication.
The single lithium battery branch pipe comprises a single lithium battery pressure relief pipe and a first connecting mechanism, the lithium battery module main pipe comprises a plurality of lithium battery module pressure relief pipes and a plurality of second connecting mechanisms, one end of each single lithium battery pressure relief pipe is communicated with the pressure relief valve of each single battery, the other end of each single lithium battery pressure relief pipe is communicated with the second connecting mechanisms, and the second connecting mechanisms are adjacent to each other and communicated with each other through the lithium battery module pressure relief pipes.
The lithium battery module passes through battery module fixed establishment with metal protective housing connects fixedly.
The metal protective shell is a steel protective shell.
The utility model has the advantages that: the direct contact of all ignition sources and the surrounding environment is blocked by adopting a pouring sealing measure, and meanwhile, a pressure relief channel is provided for the lithium battery when a pressure relief valve is opened under the dangerous condition by adopting the pressure relief pipe, so that the overall safety of the lithium battery explosion-proof power supply under the extreme fault condition is ensured, the explosion-proof grade of the lithium battery power supply is improved, and the application range of the lithium battery power supply in an industrial place with an explosive environment is expanded.
Drawings
FIG. 1 is a schematic view of the explosion-isolating pressure relief device of the present invention installed in a protective casing;
fig. 2 is the schematic diagram of the middle septal explosion pressure relief device of the present invention arranged on the protective casing box cover.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
referring to fig. 1-2, the labels 1-12 in the figures are: the protective housing box body 1, protective housing case lid 2, monomer lithium cell 3, lithium cell module 4, battery module fixed establishment 5, the compound of pouring and sealing 6, first coupling mechanism 7, second coupling mechanism 8, monomer lithium cell pressure release pipe 9, lithium cell module pressure release pipe 10, spark arrester 11, check valve 12.
Example (b): as shown in fig. 1-2, this embodiment specifically relates to an encapsulation explosion-proof structure of a lithium battery power supply, which uses a metal protective shell as an explosion-proof barrier, and simultaneously uses an encapsulation compound to encapsulate an internal lithium battery module, thereby avoiding an electrical circuit from being exposed outside; adopt the pressure release pipe to provide the pressure release passageway for the lithium cell under the dangerous condition when the pressure release valve is opened, in time release battery internal pressure has avoided the too big explosion that produces of internal pressure.
As shown in fig. 1-2, the cast explosion-proof structure in this embodiment includes a metal protective casing composed of a protective casing box 1 and a protective casing box cover 2, that is, the protective casing box cover 2 is hermetically covered on the protective casing box 1; the metal protective shell in the embodiment is made of steel, and has strong explosion-proof performance. Inside a plurality of monomer lithium batteries 3 of installing in proper order that are provided with of metal protective housing, each monomer lithium battery 3 establishes ties in proper order and constitutes lithium battery module 4, and lithium battery module 4 passes through lithium battery module fixed establishment 5 and is connected fixedly with metal protective housing, ensures that lithium battery module 4 can not take place relative movement at equipment operation in-process. The residual space between the lithium battery module 4 and the metal protective shell is filled with the casting compound 6, namely, all parts of the lithium battery module 4 are sealed by the casting compound 6, so that direct contact between ignition sources such as all charged components and the like and the surrounding environment is effectively isolated, and the danger of ignition and explosion is prevented from the source.
As shown in fig. 1-2, a flameproof pressure relief device is further installed on the metal protective casing, the flameproof pressure relief device includes a flame arrester 11 and a check valve 12 which are sequentially arranged from the outside to the inside of the metal protective casing, the flame arrester 11 is a flameproof flame arrester, and can prevent an explosion or a fire source inside the metal protective casing from being transmitted to the outside of the metal protective casing, thereby causing explosive influence on an external environment, and the check valve 12 can release the pressure inside the metal protective casing to the outside, thereby preventing the internal pressure of the metal protective casing from being too high, and simultaneously preventing an explosive gas mixture in the external environment from entering the metal protective casing; the explosion-proof pressure relief device can be fixedly arranged on the protective casing box body 1 and also can be fixedly arranged on the protective casing box cover 2.
As shown in fig. 1-2, each single lithium battery 3 is provided with a pressure release valve, so that when the single lithium battery 3 fails to generate gas or organic matter inside the single lithium battery and the pressure is too high, the pressure inside the single lithium battery can be timely discharged through the pressure release valve; each single lithium battery 3 is communicated with the lithium battery module main pipe through a single lithium battery branch pipe, and the lithium battery module main pipe is communicated with the one-way valve 12, so that a pressure relief channel is provided for timely discharging gas when the pressure relief valve is opened, and the one-way valve 12 can prevent explosive gas outside the metal protection shell from entering the inside of the battery. The single lithium battery branch pipe in the embodiment comprises a first connecting mechanism 7 and a single lithium battery pressure relief pipe 9, the lithium battery module main pipe comprises a second connecting mechanism 8 and a lithium battery module pressure relief pipe 10, a pressure relief valve on the single lithium battery 3 is communicated with one end of the single lithium battery pressure relief pipe 9 through the first connecting mechanism 7, the other end of the single lithium battery pressure relief pipe 9 is communicated with the second connecting mechanism 8, and adjacent second connecting mechanisms 8 are communicated with each other through the lithium battery module pressure relief pipe 10; through dividing lithium cell module house steward into a plurality of sections, can make things convenient for the high-speed joint installation of lithium cell.
As shown in fig. 1-2, the explosion-proof principle of the cast explosion-proof structure of the lithium battery power supply in this embodiment is as follows:
(1) the metal protective shell has strong explosion-proof performance, and can prevent the influence on the external explosive environment when the internal lithium battery module 4 is exploded due to faults.
(2) Be provided with flame proof pressure relief device on the metal casing, can ensure that the gas in the metal casing external environment can't enter into inside the metal casing, but when the inside extreme trouble that takes place of metal casing produced gas, can in time discharge the metal casing external environment with the gas that produces again to make the inside too high pressure that can not produce of metal casing, guarantee the safe operation of lithium battery power in explosive mixture environment.
(3) When the increase of internal pressure takes place and lead to the relief valve to open under the extreme fault condition for monomer lithium cell 3, gaseous monomer lithium cell pressure release pipe 9 and the lithium cell module pressure release pipe 10 that link to each other with monomer lithium cell 3's relief valve in time discharge the metal protective housing external environment through check valve 12 and spark arrester 11, can not cause gas pressure to gather in metal protective housing inside and destroy the structure of pouring and seal and then destroy metal protective housing, guaranteed lithium cell power's overall security.
(4) The pouring compound 6 poured inside the metal protective shell effectively isolates all ignition sources such as charged parts from direct contact with the surrounding environment, and the danger of fire burning and explosion is prevented from the source. Even under unusual extreme circumstances, under the condition that accident such as the monomer lithium cell 3 takes place to explode caused the encapsulation protection to lose efficacy, because metal protective case's guard action and flame proof pressure relief device's existence, the inside destruction of metal protective case that the explosion arouses can not transmit and cause explosive extreme harm to external environment in the external environment yet.
The beneficial effect of this embodiment is: the direct contact of all ignition sources and the surrounding environment is blocked by adopting a pouring sealing measure, and meanwhile, a pressure relief channel is provided for the lithium battery when a pressure relief valve is opened under the dangerous condition by adopting the pressure relief pipe, so that the overall safety of the lithium battery explosion-proof power supply under the extreme fault condition is ensured, the explosion-proof grade of the lithium battery power supply is improved, and the application range of the lithium battery power supply in an industrial place with an explosive environment is expanded.
Claims (6)
1. The utility model provides an explosion-proof structure of encapsulation of lithium battery power supply, its characterized in that the explosion-proof structure of encapsulation include metal protective housing and set up in the inside lithium battery module of metal protective housing, the last explosion suppression pressure relief device that is provided with of metal protective housing, the lithium battery module pass through the pressure relief unit with explosion suppression pressure relief device communicates.
2. The cast-in-place explosion-proof structure of the lithium battery power supply as claimed in claim 1, wherein the explosion-proof pressure relief device comprises a flame arrester and a one-way valve which are sequentially arranged from the outside to the inside of the metal protective shell, and the metal protective shell comprises a protective shell box body and a protective shell box cover.
3. The cast explosion-proof structure of the lithium battery power supply as claimed in claim 2, wherein the lithium battery module comprises a plurality of single lithium batteries connected in series in sequence, and the remaining space between the lithium battery module and the metal protective casing is filled with a casting compound.
4. The cast-in-place explosion-proof structure of the lithium battery power supply as claimed in claim 3, wherein the pressure relief unit comprises a lithium battery module main pipe and a plurality of single lithium battery branch pipes, each single lithium battery is communicated with the lithium battery module main pipe through the single lithium battery branch pipe, and the lithium battery main pipe is communicated with the one-way valve.
5. The cast-in-place explosion-proof structure of the lithium battery power supply according to claim 4, wherein the single lithium battery branch pipe comprises a single lithium battery pressure relief pipe and a first connecting mechanism, the lithium battery module header pipe comprises a plurality of lithium battery module pressure relief pipes and a plurality of second connecting mechanisms, one end of each single lithium battery pressure relief pipe is communicated with the pressure relief valve of each single lithium battery through the first connecting mechanism, the other end of each single lithium battery pressure relief pipe is communicated with the second connecting mechanism, and the adjacent second connecting mechanisms are communicated with each other through the lithium battery module pressure relief pipes.
6. The cast explosion-proof structure of the lithium battery power supply according to claim 1, wherein the lithium battery module is fixedly connected with the metal protective housing by a battery module fixing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512547.8U CN210182427U (en) | 2019-04-16 | 2019-04-16 | Cast-in explosion-proof structure of lithium battery power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512547.8U CN210182427U (en) | 2019-04-16 | 2019-04-16 | Cast-in explosion-proof structure of lithium battery power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210182427U true CN210182427U (en) | 2020-03-24 |
Family
ID=69831004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920512547.8U Active CN210182427U (en) | 2019-04-16 | 2019-04-16 | Cast-in explosion-proof structure of lithium battery power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210182427U (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002849A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002851A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002856A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002858A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002855A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002859A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002852A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002857A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002848A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002854A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002850A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112531280A (en) * | 2020-10-30 | 2021-03-19 | 华瑞矿业科技有限公司 | Explosion-proof battery power supply |
| CN112531254A (en) * | 2021-01-14 | 2021-03-19 | 唐山鹏安科技有限公司 | Explosion-proof method for mining lithium battery |
| CN112531279A (en) * | 2020-10-30 | 2021-03-19 | 华瑞矿业科技有限公司 | Explosion-proof battery power supply |
| CN112670642A (en) * | 2021-01-28 | 2021-04-16 | 唐山鹏安科技有限公司 | Inert gas protection method for explosion-proof lithium battery power supply during combustion |
| US20220052415A1 (en) * | 2019-10-15 | 2022-02-17 | Contemporary Amperex Technology Co., Limited | Battery pack and vehicle |
| CN115036630A (en) * | 2022-06-22 | 2022-09-09 | 中信重工开诚智能装备有限公司 | Mining explosion-proof battery box and battery protection method |
| WO2023102971A1 (en) * | 2021-12-09 | 2023-06-15 | 中煤科工集团上海有限公司 | Lithium ion battery assembly and encapsulation method |
| WO2023145829A1 (en) * | 2022-01-31 | 2023-08-03 | パナソニックＩｐマネジメント株式会社 | Electricity storage pack |
-
2019
- 2019-04-16 CN CN201920512547.8U patent/CN210182427U/en active Active
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220052415A1 (en) * | 2019-10-15 | 2022-02-17 | Contemporary Amperex Technology Co., Limited | Battery pack and vehicle |
| CN112002848A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002858A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002850A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002854A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002859A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002852A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002857A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002850B (en) * | 2020-07-14 | 2023-07-04 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002854B (en) * | 2020-07-14 | 2022-11-25 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002856A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002855A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002849A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002851B (en) * | 2020-07-14 | 2023-07-11 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002855B (en) * | 2020-07-14 | 2023-07-25 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002851A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112531279A (en) * | 2020-10-30 | 2021-03-19 | 华瑞矿业科技有限公司 | Explosion-proof battery power supply |
| CN112531279B (en) * | 2020-10-30 | 2023-07-07 | 华瑞矿业科技有限公司 | Explosion-proof battery power supply |
| CN112531280A (en) * | 2020-10-30 | 2021-03-19 | 华瑞矿业科技有限公司 | Explosion-proof battery power supply |
| CN112531254A (en) * | 2021-01-14 | 2021-03-19 | 唐山鹏安科技有限公司 | Explosion-proof method for mining lithium battery |
| CN112670642A (en) * | 2021-01-28 | 2021-04-16 | 唐山鹏安科技有限公司 | Inert gas protection method for explosion-proof lithium battery power supply during combustion |
| WO2023102971A1 (en) * | 2021-12-09 | 2023-06-15 | 中煤科工集团上海有限公司 | Lithium ion battery assembly and encapsulation method |
| WO2023145829A1 (en) * | 2022-01-31 | 2023-08-03 | パナソニックＩｐマネジメント株式会社 | Electricity storage pack |
| CN115036630A (en) * | 2022-06-22 | 2022-09-09 | 中信重工开诚智能装备有限公司 | Mining explosion-proof battery box and battery protection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210182427U (en) | Cast-in explosion-proof structure of lithium battery power supply | |
| CN209730030U (en) | A kind of synthesis explosion-proof protection structure of lithium battery power supply | |
| AU2021309863B2 (en) | Explosion-proof battery pack | |
| CN102148397A (en) | Security application protection system of lithium-ion battery pack | |
| CN101867029B (en) | Anti-explosion exhaust structure of battery | |
| CN112002854B (en) | Explosion-proof battery | |
| CN112002851B (en) | Explosion-proof battery | |
| AU2021310148B2 (en) | Explosion-proof battery pack | |
| CN214428736U (en) | Explosion-proof battery power supply | |
| CN212991237U (en) | Explosion-proof battery | |
| CN112002857A (en) | Explosion-proof battery | |
| CN112670642B (en) | Inert gas protection method for explosion-proof lithium battery power supply during combustion | |
| CN109585746A (en) | Conductive handle protective plate, safety battery, battery modules, battery case and vehicle | |
| CN212991226U (en) | Explosion-proof battery | |
| CN112002858B (en) | Explosion-proof battery | |
| CN212991232U (en) | Explosion-proof battery | |
| CN112002852A (en) | Explosion-proof battery | |
| CN212625720U (en) | Lithium ion battery with fire-fighting function | |
| CN112002848B (en) | Explosion-proof battery | |
| CN112563639A (en) | Explosion-proof battery power supply | |
| CN112531280A (en) | Explosion-proof battery power supply | |
| CN112002850A (en) | Explosion-proof battery | |
| CN212991236U (en) | Explosion-proof battery | |
| CN212991231U (en) | Explosion-proof battery | |
| CN112002859B (en) | Explosion-proof battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |