CN214589118U - Explosion-proof device for lithium battery - Google Patents
Explosion-proof device for lithium battery Download PDFInfo
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- CN214589118U CN214589118U CN202120831003.5U CN202120831003U CN214589118U CN 214589118 U CN214589118 U CN 214589118U CN 202120831003 U CN202120831003 U CN 202120831003U CN 214589118 U CN214589118 U CN 214589118U
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- explosion
- box body
- proof box
- shell
- proof
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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
Abstract
The embodiment of the application discloses lithium battery explosion-proof equipment. The device includes: the method comprises the following steps: the explosion-proof battery pack comprises a shell, an explosion-proof box body, a cover plate and a lithium battery pack; the upper surface of the shell is of an open structure so as to detachably connect the explosion-proof box body in the shell, the outer part of the bottom surface of the explosion-proof box body is clamped with the inner surface of the bottom surface of the shell, the side surface of the explosion-proof box body is fixedly connected with the side surface of the shell, and fire-resistant rubber particles are filled in a gap between the outer surface of the explosion-proof box body and the inner surface of the shell; the upper surface of the explosion-proof box body is of an opening structure, so that the lithium battery pack can be detachably arranged in the explosion-proof box body; the upper surface of the explosion-proof box body is flush with the upper surface of the shell; the cover plate is detachably connected to the upper surface of the shell and seals the shell, and the lower surface of the cover plate compresses the upper surface of the explosion-proof box body to seal the explosion-proof box body. Therefore, the lithium battery pack is fully protected, the lithium battery pack is prevented from being influenced by high temperature, and the risk that the lithium battery pack is subjected to high-temperature explosion is effectively reduced.
Description
Technical Field
This application belongs to lithium cell technical field, concretely relates to lithium cell firebreak device.
Background
Lithium batteries are a class of batteries that use lithium metal or lithium alloys as the positive/negative electrode material, with a practical nonaqueous electrolyte solution. With the development of science and technology, lithium batteries have become mainstream and are widely applied in many fields. For example, cardiac pacemakers, mobile phones, notebook computers, electric tools, electric vehicles, street lamp standby power supplies, navigation lights, small household appliances and the like. However, since the chemical properties of lithium metal are very active, the lithium battery has very high environmental requirements when in use, and the application of the lithium battery in a high-temperature environment should be avoided to prevent the lithium battery from being exploded at high temperature. Therefore, the safety protection of lithium batteries has become a key problem that must be solved when the lithium batteries are used.
Disclosure of Invention
In view of the above, the present disclosure provides an explosion-proof device for a lithium battery, so as to solve or alleviate the above-mentioned problems in the prior art.
The technical scheme adopted by the embodiment of the application is as follows:
the embodiment of the application provides a lithium cell explosion-proof equipment includes: the explosion-proof battery pack comprises a shell, an explosion-proof box body, a cover plate and a lithium battery pack; the upper surface of the shell is of an open structure so as to detachably connect the explosion-proof box body in the shell, the outer part of the bottom surface of the explosion-proof box body is clamped with the inner surface of the bottom surface of the shell, the side surface of the explosion-proof box body is fixedly connected with the side surface of the shell, and refractory rubber particles are filled in a gap between the outer surface of the explosion-proof box body and the inner surface of the shell; the upper surface of the explosion-proof box body is of an opening structure, so that the lithium battery pack can be detachably mounted in the explosion-proof box body; the upper surface of the explosion-proof box body is flush with the upper surface of the shell; the cover plate is detachably connected to the upper surface of the shell and seals the shell, and the lower surface of the cover plate presses the upper surface of the explosion-proof box body to seal the explosion-proof box body.
Optionally, in any embodiment of the present application, a first heat dissipation hole is formed in the housing, and a second heat dissipation hole is formed in the explosion-proof box body; correspondingly, the explosion-proof device for the lithium battery further comprises: the heat dissipation pipeline is of a tubular structure with two open ends and is communicated with the first heat dissipation hole, one end of the heat dissipation pipeline is installed in the first heat dissipation hole, and the other end of the heat dissipation pipeline is installed in the second heat dissipation hole.
Optionally, in any embodiment of the present application, a sealing step is disposed on a lower surface of the cover plate, and the sealing step is adapted to an opening of an upper surface of the explosion-proof box body, so that when the cover plate is connected to the upper surface of the housing, the sealing step is inserted into the opening of the upper surface of the explosion-proof box body to seal the explosion-proof box body
Optionally, in any embodiment of the present application, the explosion-proof box body is made of an explosion-proof pressure relief plate.
Optionally, in any embodiment of this application, still be equipped with first locating hole on the casing, it is corresponding, be equipped with first locating column on the explosion-proof box, first locating column with first locating hole adaptation is in order to fix a position explosion-proof box is in the mounted position in the casing.
Optionally, in any embodiment of the present application, the first positioning hole is provided on an inner surface of the bottom surface of the housing,
correspondingly, the first positioning column is arranged on the outer surface of the lower bottom surface of the explosion-proof box body.
Optionally, in any embodiment of the present application, the housing is further provided with a second positioning column, and correspondingly, the cover plate is provided with a second positioning hole, and the second positioning hole is matched with the second positioning column.
Optionally, in any embodiment of the present application, a explosion-proof plate is fixedly mounted on the lower surface of the cover plate, and the shape and size of the explosion-proof plate are the same as those of the lower surface of the cover plate.
In the technical scheme of the embodiment of the application, the explosion-proof device of the lithium battery comprises: the explosion-proof battery pack comprises a shell, an explosion-proof box body, a cover plate and a lithium battery pack; the upper surface of the shell is of an open structure so as to detachably connect the explosion-proof box body in the shell, the outer part of the bottom surface of the explosion-proof box body is clamped with the inner surface of the bottom surface of the shell, the side surface of the explosion-proof box body is fixedly connected with the side surface of the shell, and refractory rubber particles are filled in a gap between the outer surface of the explosion-proof box body and the inner surface of the shell; the upper surface of the explosion-proof box body is of an opening structure, so that the lithium battery pack can be detachably mounted in the explosion-proof box body; the upper surface of the explosion-proof box body is flush with the upper surface of the shell; the cover plate is detachably connected to the upper surface of the shell and seals the shell, and the lower surface of the cover plate presses the upper surface of the explosion-proof box body to seal the explosion-proof box body. By this, through installing lithium cell group at explosion-proof box, explosion-proof box installs in the casing, makes lithium cell group obtain abundant protection, avoids lithium cell group to receive high temperature and influences, has effectively reduced lithium cell group and has received high temperature explosion's risk.
Drawings
For a clearer explanation of the embodiments of the present application or the technical solutions in the prior art, the following brief descriptions are provided for the drawings required to be used in the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings according to the drawings.
Fig. 1 is a schematic structural diagram of an explosion-proof device for a lithium battery provided according to some embodiments of the present application;
fig. 2 is an exploded schematic view of an explosion-proof apparatus for a lithium battery provided according to some embodiments of the present application;
fig. 3 is a schematic front view of an explosion protection apparatus for a lithium battery provided according to some embodiments of the present application;
FIG. 4 is a schematic sectional view A-A of the lithium battery explosion-proof apparatus shown in FIG. 3;
FIG. 5 is a schematic sectional view B-B of the lithium battery explosion-proof device shown in FIG. 3;
fig. 6 is a schematic sectional view of C-C in the explosion-proof apparatus for a lithium battery shown in fig. 5.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application shall fall within the scope of the protection of the embodiments in the present application.
Fig. 1 is a schematic structural diagram of an explosion-proof device for a lithium battery provided according to some embodiments of the present application; fig. 2 is an exploded schematic view of an explosion-proof apparatus for a lithium battery provided according to some embodiments of the present application; fig. 3 is a schematic front view of an explosion protection apparatus for a lithium battery provided according to some embodiments of the present application; FIG. 4 is a schematic sectional view A-A of the lithium battery explosion-proof apparatus shown in FIG. 3;
FIG. 5 is a schematic sectional view B-B of the lithium battery explosion-proof device shown in FIG. 3; FIG. 6 is a schematic cross-sectional view of C-C in the explosion-proof apparatus for lithium battery shown in FIG. 5; as shown in fig. 1, 2, 3, 4, 5 and 6, the explosion-proof device for a lithium battery includes: the explosion-proof battery pack comprises a shell 101, an explosion-proof box body 103, a cover plate 102 and a lithium battery pack 104; the upper surface of the shell 101 is of an open structure, so that the explosion-proof box body 103 is detachably connected into the shell 101, the outer part of the bottom surface of the explosion-proof box body 103 is clamped with the inner surface of the bottom surface of the shell 101, the side surface of the explosion-proof box body 103 is fixedly connected with the side surface of the shell 101, and a gap between the outer surface of the explosion-proof box body 103 and the inner surface of the shell 101 is filled with refractory rubber particles; the upper surface of the explosion-proof box body 103 is of an opening structure, so that the lithium battery pack 104 can be detachably mounted in the explosion-proof box body 103; the upper surface of the explosion-proof box body 103 is flush with the upper surface of the shell 101; the cover plate 102 is detachably connected to the upper surface of the housing 101, and closes the housing 101, and the lower surface of the cover plate 102 presses the upper surface of the explosion-proof box body 103 to seal the explosion-proof box body 103. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the present application, by installing the lithium battery pack 104 in the explosion-proof case 103, the explosion-proof case 103 is installed in the housing 101, thereby sufficiently protecting the lithium battery pack 104; meanwhile, fire-resistant rubber particles are filled in gaps between the outer surface of the explosion-proof box body 103 and the inner surface of the shell 101, so that the lithium battery pack 104 is further protected from fire, the lithium battery pack 104 is prevented from receiving high-temperature influence, and the risk that the lithium battery pack 104 is subjected to high-temperature explosion is effectively reduced. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, a first heat dissipation hole is formed in the housing 101, and a second heat dissipation hole is formed in the explosion-proof box 103; correspondingly, the explosion-proof device for the lithium battery further comprises: the heat dissipation pipeline 105 is a tubular structure with two open ends and communicated with each other, one end of the heat dissipation pipeline 105 is installed in the first heat dissipation hole, and the other end of the heat dissipation pipeline 105 is installed in the second heat dissipation hole. Therefore, heat generated by the lithium battery pack 104 in the use process is dissipated through the heat dissipation pipeline 105, and the ambient temperature of the lithium battery pack 104 during operation is reduced. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, a sealing step is provided on the lower surface of the cover plate 102, and the sealing step is adapted to the opening of the upper surface of the explosion-proof box body 103, so that when the cover plate 102 is connected to the upper surface of the housing 101, the sealing step is inserted into the opening of the upper surface of the explosion-proof box body 103 to seal the explosion-proof box body 103. Therefore, the lithium battery pack 104 can be effectively protected from dust, and the environment of the lithium battery pack 104 is clean when in use. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some alternative embodiments, the explosion-proof box body 103 is made of an explosion-proof pressure relief plate. Therefore, the performance of the explosion-proof box body 103 is fully ensured, and the explosion-proof box body 103 can play a sufficient protection role for the lithium battery pack 104. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, the housing 101 is further provided with a first positioning hole, and correspondingly, the explosion-proof box body 103 is provided with a first positioning column, and the first positioning column is adapted to the first positioning hole to position the installation position of the explosion-proof box body 103 in the housing 101. When the explosion-proof box body 103 is used, the first positioning column is inserted into the first positioning hole, and therefore the position accuracy of the explosion-proof box body 103 in the installation process in the shell 101 is guaranteed through the matching of the first positioning column and the first positioning hole. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, the first positioning hole is disposed on an inner surface of the bottom surface of the housing 101, and correspondingly, the first positioning column is disposed on an outer surface of the lower bottom surface of the explosion-proof box 103. Therefore, the structure of the lithium battery explosion-proof device can be simple and compact, and meanwhile, the stability of the explosion-proof box body 103 in the installation process in the shell 101 is enhanced. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, the housing 101 is further provided with a second positioning column, and correspondingly, the cover plate 102 is provided with a second positioning hole, and the second positioning hole is matched with the second positioning column. During the installation process, the second positioning holes on the cover plate 102 are aligned with the second positioning columns on the housing 101, thereby ensuring the matching precision of the cover plate 102 and the housing 101 during the installation. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, a explosion-proof plate is fixedly mounted on the lower surface of the cover plate 102, and the shape and size of the explosion-proof plate are the same as those of the lower surface of the cover plate 102. Therefore, the explosion-proof performance of the lithium battery explosion-proof device can be further enhanced. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
It should be noted that, in the present specification, all the embodiments are described in a progressive manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the apparatus and system embodiments, since they are substantially similar to the method embodiments, they are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points. The above-described embodiments of the apparatus and system are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts suggested as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above embodiments are only used for illustrating the embodiments of the present application, and not for limiting the embodiments of the present application, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the embodiments of the present application, so that all equivalent technical solutions also belong to the scope of the embodiments of the present application, and the scope of the embodiments of the present application should be defined by the claims.
Claims (8)
1. An explosion-proof device for a lithium battery, comprising: the explosion-proof battery pack comprises a shell, an explosion-proof box body, a cover plate and a lithium battery pack;
the upper surface of the shell is of an open structure so as to detachably connect the explosion-proof box body in the shell, the outer part of the bottom surface of the explosion-proof box body is clamped with the inner surface of the bottom surface of the shell, the side surface of the explosion-proof box body is fixedly connected with the side surface of the shell, and refractory rubber particles are filled in a gap between the outer surface of the explosion-proof box body and the inner surface of the shell;
the upper surface of the explosion-proof box body is of an opening structure, so that the lithium battery pack can be detachably mounted in the explosion-proof box body; the upper surface of the explosion-proof box body is flush with the upper surface of the shell;
the cover plate is detachably connected to the upper surface of the shell and seals the shell, and the lower surface of the cover plate presses the upper surface of the explosion-proof box body to seal the explosion-proof box body.
2. The explosion protection device for lithium batteries according to claim 1, wherein the housing is provided with a first heat dissipation hole, and the explosion protection box is provided with a second heat dissipation hole;
correspondingly, the explosion-proof device for the lithium battery further comprises:
the heat dissipation pipeline is of a tubular structure with two open ends and is communicated with the first heat dissipation hole, one end of the heat dissipation pipeline is installed in the first heat dissipation hole, and the other end of the heat dissipation pipeline is installed in the second heat dissipation hole.
3. The explosion protection device for a lithium battery as claimed in claim 1, wherein a sealing step is provided on a lower surface of the cover plate, the sealing step being adapted to the opening of the upper surface of the explosion-proof case body, so that when the cover plate is coupled to the upper surface of the case body, the sealing step is inserted into the opening of the upper surface of the explosion-proof case body to seal the explosion-proof case body.
4. The explosion protection device for a lithium battery as claimed in claim 1, wherein the explosion protection case is made of an explosion protection pressure relief plate.
5. The explosion protection device for lithium batteries as claimed in claim 1, wherein the housing is further provided with a first positioning hole,
correspondingly, a first positioning column is arranged on the explosion-proof box body, and the first positioning column is matched with the first positioning hole to position the installation position of the explosion-proof box body in the shell.
6. The explosion protection apparatus for a lithium battery as claimed in claim 5, wherein the first positioning hole is provided at an inner surface of the bottom surface of the case,
correspondingly, the first positioning column is arranged on the outer surface of the lower bottom surface of the explosion-proof box body.
7. The explosion protection device for lithium batteries as claimed in claim 1, wherein a second positioning column is further provided on the housing,
correspondingly, a second positioning hole is formed in the cover plate, and the second positioning hole is matched with the second positioning column.
8. The explosion protection device for a lithium battery as claimed in any one of claims 1 to 7, wherein an explosion protection plate is fixedly mounted on the lower surface of the cover plate, and the shape and size of the explosion protection plate are the same as those of the lower surface of the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120831003.5U CN214589118U (en) | 2021-04-21 | 2021-04-21 | Explosion-proof device for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120831003.5U CN214589118U (en) | 2021-04-21 | 2021-04-21 | Explosion-proof device for lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214589118U true CN214589118U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120831003.5U Active CN214589118U (en) | 2021-04-21 | 2021-04-21 | Explosion-proof device for lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214589118U (en) |
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2021
- 2021-04-21 CN CN202120831003.5U patent/CN214589118U/en active Active
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