CN218677335U - Battery case, battery pack and vehicle - Google Patents
Battery case, battery pack and vehicle Download PDFInfo
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- CN218677335U CN218677335U CN202223124896.3U CN202223124896U CN218677335U CN 218677335 U CN218677335 U CN 218677335U CN 202223124896 U CN202223124896 U CN 202223124896U CN 218677335 U CN218677335 U CN 218677335U
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- battery case
- installation
- battery
- explosion
- heavy groove
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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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Abstract
The utility model discloses a battery case, battery package and vehicle, battery case includes: the top of battery case is equipped with the heavy groove of installation, the heavy groove of installation is opened up, the diapire in the heavy groove of installation is equipped with link up extremely installation through-hole in the battery case, the heavy groove of installation is used for installing utmost point post just utmost point post runs through installation through-hole extends in the battery case, the bottom of battery case is equipped with explosion-proof assembly. The utility model discloses battery case through being equipped with the heavy groove of installation at battery case's top, utmost point post can be installed in the heavy inslot of installation, has reduced the occupation of utmost point post to battery case's vertical space, does benefit to the utilization ratio that improves battery case inner space, and is equipped with explosion-proof assembly through the bottom at battery case, and electrolyte can discharge to battery case's below through explosion-proof assembly when electric core thermal runaway, does benefit to the speed that reduces the intensity of a fire diffusion, has improved the security.
Description
Technical Field
The utility model belongs to the technical field of the battery technique and specifically relates to a battery case, battery package and vehicle are related to.
Background
In the related art, a square battery generally adopts a tab ejection arrangement structure, the surface of an opening at the top is matched with a shell by a cover plate integrated with positive and negative poles, and an arrangement space of a battery cell pole group is formed after welding. In this arrangement, the pole of the square battery usually protrudes out of the housing to occupy the vertical space of the square battery, which reduces the internal space of the square battery and the space utilization rate; meanwhile, because the cover plate of the square electric core is arranged at the top of the shell, the explosion-proof valve is arranged in the middle area of the positive and negative poles of the cover plate, when the internal pressure of the electric core is too high and even serious thermal runaway occurs, the explosion-proof valve can be opened upwards, high-temperature electrolyte can be directly sprayed upwards to the floor of the automobile body, the safety threat to drivers and passengers is large, and an improved space exists.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a battery case can reduce the occupation of utmost point post to vertical space, has improved the high-usage in space, and the security is good.
According to the utility model discloses battery case, include: the top of battery case is equipped with the heavy groove of installation, the heavy groove of installation opens up, the diapire of the heavy groove of installation is equipped with link up extremely installation through-hole in the battery case, the heavy groove of installation is used for installing utmost point post just utmost point post runs through the installation through-hole extends in the battery case, the bottom of battery case is equipped with explosion-proof subassembly.
According to the utility model discloses battery case is equipped with the installation heavy groove through the top at battery case, and utmost point post can be installed in the installation heavy groove, has reduced the occupation of utmost point post to battery case's vertical space, does benefit to the utilization ratio that improves the battery case inner space, and is equipped with explosion-proof assembly through the bottom at battery case, and electrolyte can discharge to battery case's below through explosion-proof assembly when electric core thermal runaway, does benefit to the speed that reduces the intensity of a fire and spreads, has improved the security.
According to the utility model discloses some embodiments's battery case, utmost point post is located highly less than or equal to in the heavy groove of installation the degree of depth in the heavy groove of installation.
According to the utility model discloses some embodiments's battery case, battery case includes shell body and apron, the apron install in shell body's top just is equipped with the installation heavy groove, explosion-proof subassembly is located shell body's bottom.
According to the utility model discloses battery case of some embodiments, the heavy groove of installation is located apron edge length direction's intermediate position department, the apron is formed with the installation base respectively along length direction's both ends, the installation base with the installation cavity has been injectd to the shell body, the installation cavity is used for installing utmost point ear and connection piece.
According to the utility model discloses some embodiments, the heavy groove of installation includes two subslots, two the subslot is spaced apart to be arranged, every the diapire of subslot all is formed with the installation through-hole.
According to the utility model discloses some embodiments's battery case, explosion-proof subassembly still includes explosion-proof valve and connecting plate, explosion-proof valve is installed on the connecting plate, the bottom of casing body is formed with mounting opening, the connecting plate install in mounting opening.
According to the utility model discloses some embodiments's battery case, the connecting plate is made for the aluminium material, the connecting plate with the shell body welding links to each other.
According to the utility model discloses some embodiments's battery case, explosion-proof valve sets up to a plurality ofly, and is a plurality of explosion-proof valve is spaced apart to be arranged.
The utility model also provides a battery package.
According to the utility model discloses battery package, include: cell and the battery casing according to any one of the embodiments above.
According to the utility model discloses battery pack is equipped with the installation heavy groove through the top at battery case, and utmost point post can be installed in the installation heavy groove, has reduced the occupation of utmost point post to battery case's vertical space, does benefit to the utilization ratio that improves the battery case space, and is equipped with explosion-proof assembly through the bottom at battery case, and electrolyte can discharge to battery case's below through explosion-proof assembly when electric core thermal runaway, does benefit to the speed that reduces the intensity of a fire diffusion, has improved battery pack's security.
The utility model also provides a vehicle.
According to the utility model discloses the vehicle is provided with the battery package of any one of above-mentioned embodiment.
According to the utility model discloses vehicle, through being equipped with the heavy groove of installation at battery case's top, utmost point post can be installed in the heavy groove of installation, has reduced the occupation of utmost point post to battery case's vertical space, does benefit to the utilization ratio that improves the battery case space, and is equipped with explosion-proof assembly through the bottom at battery case, electrolyte can discharge to battery case's below through explosion-proof assembly when electric core thermal runaway, does benefit to the speed that reduces the intensity of a fire diffusion, the security of battery package has been improved, the reliability of vehicle has been improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an isometric view of a battery housing according to an embodiment of the present invention;
FIG. 2 is a schematic view of an installation of an explosion proof assembly according to an embodiment of the present invention;
fig. 3 is an installation schematic diagram of a cover plate according to an embodiment of the present invention.
Reference numerals:
the battery case 100 is provided with a battery case,
a shell body 1, a cover plate 2, an installation sink 21, an installation boss 22, an installation through hole 23,
the pole 3, the explosion-proof component 4, the explosion-proof valve 41 and the connecting plate 42.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Next, with reference to the accompanying drawings, a battery case 100 according to an embodiment of the present invention is described,
as shown in fig. 1 to 3, a battery case 100 according to an embodiment of the present invention includes: battery case 100's top is equipped with the heavy groove 21 of installation, and the heavy groove 21 of installation opens up, and the diapire of the heavy groove 21 of installation is equipped with the installation through-hole 23 that link up to battery case 100 in, and the heavy groove 21 of installation is used for installing utmost point post 3 and utmost point post 3 to run through in installation through-hole 23 extends battery case 100, and battery case 100's bottom is equipped with explosion-proof subassembly 4.
From this, can reduce the occupation of utmost point post 3 to battery case 100's vertical space, do benefit to the utilization ratio that improves battery case 100 space, and can reduce the speed that the intensity of a fire spreads, do benefit to and improve the security.
For example, as shown in fig. 1 to 3, the battery case 100 is configured in a square structure, and a cell accommodating cavity is formed in the battery case 100, and a cell is installed in the cell accommodating cavity. The top of battery casing 100 is equipped with the heavy groove 21 of undercut installation, and the heavy groove 21 of installation opens up, and the diapire of the heavy groove 21 of installation is equipped with installation through-hole 23, and installation through-hole 23 sets up to two, and two installation through-holes 23 set up along the spaced apart setting of the length direction of battery casing 100, and installation through-hole 23 constructs for following upper and lower direction and runs through battery casing 100, and electric core holds the top intercommunication that the chamber can pass through installation through-hole 23 and battery casing 100. Two utmost point posts 3 are installed in the heavy groove 21 of installation, positive post 3 and negative pole post 3 promptly, and utmost point post 3 can run through installation through-hole 23 from the top down and hold the intracavity in order to extend to electric core to be connected with electric core and carry out the electricity. Therefore, the occupation of the pole 3 to the vertical space of the battery shell 100 can be reduced, and the utilization rate of the space in the battery shell 100 can be improved.
Simultaneously, battery case 100 still is equipped with explosion-proof assembly 4, and explosion-proof assembly 4 installs in battery case 100's bottom, and when electric core thermal runaway, explosion-proof assembly 4 can form and hold the flowing back passageway that the chamber communicates with electric core, and electric core holds the high temperature electrolyte of intracavity and can directly discharge to battery case 100's below through flowing back passageway. Therefore, the combustion speed of the electrolyte in the cell accommodating cavity is favorably reduced. It should be noted that, when the battery is applied to a vehicle, if the battery is out of control due to heat, the high-temperature electrolyte in the battery case 100 may be sprayed downward through the liquid discharge channel, so as to avoid directly causing the cockpit to catch fire by spraying the high-temperature electrolyte on the vehicle body floor, which is beneficial to reducing the speed of the fire spreading to the cockpit, and reserve the escape time for the user.
According to the utility model discloses battery housing 100, be equipped with installation heavy groove 21 through the top at battery housing 100, utmost point post 3 can be installed in installation heavy groove 21, the occupation of 3 vertical space to battery housing 100 of utmost point post has been reduced, do benefit to the utilization ratio that improves battery housing 100 space, and be equipped with explosion-proof assembly 4 through the bottom at battery housing 100, electrolyte can discharge to battery housing 100's below through explosion-proof assembly 4 when electric core thermal runaway, do benefit to the speed that reduces the intensity of a fire and spread, the security has been improved.
In some embodiments of the present invention, the height of the pole 3 in the installation sinking groove 21 is less than or equal to the depth of the installation sinking groove 21. For example, as shown in fig. 1, the height of the terminal 3 in the mounting sinking groove 21 may be set to be smaller than the depth of the mounting sinking groove 21 so that the upper end surface of the terminal 3 is lower than the upper end surface of the battery case 100; alternatively, the height of the terminal 3 in the installation sinking groove 21 may be equal to the depth of the installation sinking groove 21, so that the upper end surface of the terminal 3 is flush with the upper end surface of the battery casing 100, which is not limited in this application. Therefore, the occupation of the pole 3 to the vertical space of the battery shell 100 can be effectively reduced, and the utilization rate of the space in the battery shell 100 is improved.
In some embodiments of the present invention, the battery casing 100 includes a casing 1 and a cover plate 2, the cover plate 2 is installed on the top of the casing 1 and is provided with an installation sinking groove 21, and the explosion-proof assembly 4 is disposed on the bottom of the casing 1.
For example, referring to fig. 1 and 3, a battery case 100 is provided with a case body 1 and a cover plate 2, the case body 1 and the cover plate 2 are formed separately, and the case body 1 is formed with a cell accommodating cavity that is open upward. Be formed with the heavy groove 21 of installation on apron 2, and correspond the heavy groove 21 of installation and be formed with the portion of dodging on shell body 1, dodge the portion and be used for dodging the heavy groove 21 of installation of apron 2 for apron 2 can cover and establish the end of opening in order to seal electric core accommodation cavity on shell body 1's top. Meanwhile, the explosion-proof assembly 4 may be pre-installed at the bottom of the case body 1. In this way, the mounting of the battery case 100 can be completed by fitting the cap plate 2 to the upper side of the case body 1. Therefore, the processing difficulty of the battery shell 100 can be reduced, and the processing cost is favorably reduced.
The utility model discloses an in some embodiments, the heavy groove 21 of installation is located apron 2 along length direction's intermediate position department, and apron 2 is formed with installation boss 22 respectively along length direction's both ends, and installation boss 22 is injectd with shell body 1 and has the installation cavity, and the installation cavity is used for installing utmost point ear and connection piece.
For example, referring to fig. 1 and 3, a mounting sinking groove 21 may be provided at a middle position of the cover plate 2 in the length direction, and a bottom wall of the mounting sinking groove 21 is formed with two mounting through holes 23, and the two mounting through holes 23 are arranged at intervals in the length direction of the cover plate 2 and are respectively penetrated with the poles 3. Simultaneously, the position punishment that apron 2 is located the heavy groove 21 both ends of installation do not is formed with convex installation boss 22 that makes progress, and installation boss 22 cooperates in order to inject the installation cavity with shell body 1, and the installation cavity is located the top that the electric core held the cavity and holds the cavity intercommunication with electric core, and the installation cavity is used for installing connection piece and utmost point ear, and the connection piece and the utmost point ear of locating in the installation cavity are used for linking to each other with the electric core with the utmost point post 3 that corresponds the side to realize electric core and the electricity of utmost point post 3 and be connected.
Through the arrangement, the connecting sheets and the lugs corresponding to the two polar columns 3 can be respectively arranged at the two ends of the cover plate 2, the possibility of internal short circuit is reduced, the layout rationality is favorably improved, and the space utilization rate of the battery shell 100 is effectively improved.
In some embodiments of the present invention, the installation sink 21 includes two sub-grooves spaced apart from each other, and the bottom wall of each sub-groove is formed with an installation through hole 23. Through the arrangement, the two pole columns 3 can be respectively arranged in the mounting through holes 23 of the two sub-grooves in a penetrating mode, the two pole columns 3 are arranged at intervals, the possibility of short circuit between the two pole columns 3 is reduced, and the layout rationality and the practicability of the battery shell 100 are improved.
In some embodiments of the present invention, the explosion-proof assembly 4 further includes an explosion-proof valve 41 and a connecting plate 42, the explosion-proof valve 41 is installed on the connecting plate 42, the bottom of the shell body 1 is formed with an installation opening, and the connecting plate 42 is installed in the installation opening.
For example, as shown with reference to fig. 2, it may be provided that the explosion proof assembly 4 includes an explosion proof valve 41 and a connection plate 42, the connection plate 42 being configured in a square plate shape, the explosion proof valve 41 being mounted at an intermediate position of the connection plate 42 in the width direction to be integrated. Meanwhile, the bottom of the case body 1 is formed with a mounting opening that opens downward, and the connecting plate 42 is configured to follow the mounting opening so that the connecting plate 42 can be mounted in the mounting opening to seal the bottom of the case body 1, and the explosion-proof valve 41 is mounted at the bottom of the case body 1. Therefore, the processing difficulty of the battery shell 100 can be reduced, and the processing cost is saved.
In some embodiments of the present invention, the connecting plate 42 is made of aluminum material, and the connecting plate 42 is welded to the case body 1. It can be understood that, after the connecting plate 42 and the shell body 1 are formed in a split manner, the connecting plate 42 can be installed in the installation opening of the shell body 1, and the connecting plate 42 is connected with the shell body 1 in a welding manner, so that the shell body 1 and the explosion-proof assembly 4 are installed, the installation process is simple, the installation stability is high, and the improvement of the reliability of the battery shell 100 is facilitated.
In some embodiments of the present invention, the explosion-proof valve 41 is provided in a plurality, and the plurality of explosion-proof valves 41 are arranged at intervals. For example, the explosion-proof valves 41 may be provided in two, the two explosion-proof valves 41 being provided at both end positions of the connecting plate 42 in the length direction, respectively; alternatively, the explosion-proof valve 41 may be provided in plural, and the plural explosion-proof assemblies 4 may be arranged at intervals along the length direction of the connecting plate 42, which is not limited in the present application. From this, can realize explosion-proof subassembly 4's nimble design, do benefit to and satisfy different operating modes.
The utility model also provides a battery package.
According to the utility model discloses battery package, include: a battery cell and the battery case 100 of any of the embodiments described above.
According to the utility model discloses battery pack is equipped with installation heavy groove 21 through the top at battery housing 100, utmost point post 3 can be installed in installation heavy groove 21, the occupation of 3 vertical space to battery housing 100 of utmost point post has been reduced, do benefit to the utilization ratio that improves battery housing 100 space, and be equipped with explosion-proof assembly 4 through the bottom at battery housing 100, electrolyte can discharge to battery housing 100's below through explosion-proof assembly 4 when electric core thermal runaway, do benefit to the speed that reduces the intensity of a fire and spread, the security that has improved battery pack.
The utility model also provides a vehicle.
According to the utility model discloses vehicle is provided with the battery package of any one of above-mentioned embodiment. Through being equipped with the heavy groove 21 of installation at battery case 100's top, utmost point post 3 can be installed in the heavy groove 21 of installation, the occupation of 3 vertical space to battery case 100 of utmost point post has been reduced, do benefit to the utilization ratio that improves battery case 100 inner space, and be equipped with explosion-proof assembly 4 through the bottom at battery case 100, electrolyte can discharge to battery case 100's below through explosion-proof assembly 4 when electric core thermal runaway, do benefit to the speed that reduces the intensity of a fire diffusion, the security of battery package has been improved, the reliability of vehicle has been improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, "on", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery case (100), comprising: the top of battery case (100) is equipped with the heavy groove of installation (21), the heavy groove of installation (21) is opened up, the diapire of the heavy groove of installation (21) is equipped with and link up extremely installation through-hole (23) in battery case (100), the heavy groove of installation (21) is used for installing utmost point post (3) just utmost point post (3) run through installation through-hole (23) extend in battery case (100), the bottom of battery case (100) is equipped with explosion-proof subassembly (4).
2. The battery case (100) according to claim 1, wherein the height of the pole (3) in the mounting recess (21) is less than or equal to the depth of the mounting recess (21).
3. The battery case (100) according to claim 1, wherein the battery case (100) comprises a case body (1) and a cover plate (2), the cover plate (2) is installed on the top of the case body (1) and provided with the installation sink (21), and the explosion-proof assembly (4) is arranged on the bottom of the case body (1).
4. The battery case (100) according to claim 3, wherein the mounting countersunk groove (21) is located at the middle position of the cover plate (2) along the length direction, mounting bosses (22) are respectively formed at both ends of the cover plate (2) along the length direction, and the mounting bosses (22) and the case body (1) define mounting cavities for mounting tabs and connecting pieces.
5. The battery case (100) according to claim 3, wherein the mounting sink (21) comprises two sub-grooves arranged at intervals, and a bottom wall of each sub-groove is formed with the mounting through-hole (23).
6. The battery case (100) according to claim 3, wherein the explosion-proof assembly (4) further comprises an explosion-proof valve (41) and a connecting plate (42), the explosion-proof valve (41) being mounted on the connecting plate (42), the bottom of the case body (1) being formed with a mounting opening, the connecting plate (42) being mounted to the mounting opening.
7. The battery case (100) according to claim 6, wherein the connection plate (42) is made of an aluminum material, and the connection plate (42) is welded to the case body (1).
8. The battery case (100) according to claim 6, wherein the explosion-proof valve (41) is provided in plurality, and the plurality of explosion-proof valves (41) are arranged at intervals.
9. A battery pack, comprising: a battery cell and a battery housing (100) according to any of claims 1 to 8.
10. A vehicle characterized in that the battery pack according to claim 9 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223124896.3U CN218677335U (en) | 2022-11-23 | 2022-11-23 | Battery case, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223124896.3U CN218677335U (en) | 2022-11-23 | 2022-11-23 | Battery case, battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218677335U true CN218677335U (en) | 2023-03-21 |
Family
ID=85540661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223124896.3U Active CN218677335U (en) | 2022-11-23 | 2022-11-23 | Battery case, battery pack and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218677335U (en) |
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2022
- 2022-11-23 CN CN202223124896.3U patent/CN218677335U/en active Active
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