CN115887973A - Explosion-proof box - Google Patents
Explosion-proof box Download PDFInfo
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- CN115887973A CN115887973A CN202211265632.1A CN202211265632A CN115887973A CN 115887973 A CN115887973 A CN 115887973A CN 202211265632 A CN202211265632 A CN 202211265632A CN 115887973 A CN115887973 A CN 115887973A
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- explosion
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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 invention discloses an explosion-proof box, which comprises: a box body; the anti-explosion trolley is positioned in the box body and is filled with water; a pushing member movably mounted to the case; the battery pack frame is arranged on the pushing piece and located above the anti-explosion trolley, the battery pack frame is used for bearing a battery pack, and the anti-explosion box is arranged to enable the battery pack frame to fall into the anti-explosion trolley when the pushing piece is pushed to move relative to the box body. According to the explosion-proof box disclosed by the embodiment of the invention, the site selection of the explosion-proof environment of the explosion-proof trolley is not needed, the explosion-proof effect can be realized in more scenes, and the use is convenient. And the environment in the box is comparatively sealed for the environment that the battery package of thermal runaway was located is unfavorable for thermal diffusion more, greatly promotes the fire control effect, promotes the factor of safety of putting out a fire.
Description
Technical Field
The invention relates to the technical field of explosion prevention of battery packs, in particular to an explosion-proof box.
Background
In the correlation technique, when the battery package appears thermal runaway, the battery package is arranged in the explosion-proof trolley for explosion-proof, but the scheme that adopts at present is mostly to place the explosion-proof trolley in open exterior space, and carries out the fire extinguishing of watering through fire hydrant or fire engine, and is higher to the requirement of site selection, and the effect of putting out a fire is limited, exists improved space.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention aims to provide the explosion-proof box, which can realize the fire extinguishing of the battery pack by the explosion-proof trolley in the box body, and has low site selection requirement and good fire extinguishing effect.
According to the embodiment of the invention, the explosion-proof box comprises: a box body; the explosion-proof trolley is positioned in the box body and is filled with water; a pushing member movably mounted to the case; the battery pack frame is arranged on the pushing piece and located above the anti-explosion trolley, the battery pack frame is used for bearing a battery pack, and the anti-explosion box is arranged to enable the battery pack frame to fall into the anti-explosion trolley when the pushing piece is pushed to move relative to the box body.
According to the explosion-proof box provided by the embodiment of the invention, the site selection of the explosion-proof environment of the explosion-proof trolley is not needed, the explosion-proof effect can be realized in more scenes, and the use is convenient. And the environment in the box is comparatively sealed for the environment that the battery package that the thermal runaway is located is unfavorable for thermal diffusion more, greatly promotes the fire extinguishing effect, promotes the factor of safety of putting out a fire.
An explosion proof tank according to some embodiments of the invention further comprises: the sandbox is located above the battery pack frame, a sand outlet and a sand sealing plate used for sealing the sand outlet are arranged at the bottom of the sandbox, and the sand sealing plate is connected with the battery pack frame.
According to the explosion-proof box provided by some embodiments of the invention, the bottom of the sand sealing plate is provided with a hanging ring, the battery pack frame is connected with a suspension rope, the suspension rope is suspended on the pushing piece, and the hanging ring is connected with the suspension rope.
According to the explosion-proof box provided by the embodiment of the invention, the bottom of the hanging ring is provided with the steel chain, and one end of the steel chain, which is far away from the hanging ring, is connected with the suspension rope.
According to the explosion-proof box provided by some embodiments of the invention, the sand box is provided with the sand storage space which is opened upwards, the top of the box body is provided with the sand inlet and the top door, the sand inlet is opposite to the sand storage space in the vertical direction, and the top door is used for sealing the sand inlet.
According to some embodiments of the invention, the sand box comprises a plurality of sand storage plates, the plurality of sand storage plates are sequentially spliced and connected in the circumferential direction of the sand outlet, and one end of the sand storage plate, which defines the sand outlet, is lower than one end of the sand storage plate, which deviates from the sand outlet.
According to the explosion-proof box provided by the embodiments of the invention, the battery pack frame defines a supporting space for accommodating the battery pack, the box body is provided with a battery pack inlet, the battery pack inlet is opposite to the supporting space, and the box body is provided with a box body door for sealing the battery pack inlet.
According to the explosion-proof box of some embodiments of the invention, the box body door is provided as a lifting door, and the lifting door is movably mounted on the box body along the up-down direction so as to selectively close the battery pack inlet.
According to the explosion-proof box provided by some embodiments of the invention, the pushing piece is provided with a pushing part, the pushing part penetrates through the box body and extends out of the box body, and the pushing part is used for being in press fit with the stacker crane.
According to the explosion-proof box provided by the embodiments of the invention, the explosion-proof trolley is movably arranged in the box body, and the bottom of the explosion-proof trolley is provided with the supporting rollers.
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 a schematic structural view of an explosion proof enclosure according to an embodiment of the invention (first side wall shown);
FIG. 2 is a schematic structural view of an explosion proof enclosure according to an embodiment of the invention (second side wall shown);
FIG. 3 is a schematic view of the interior of an explosion proof enclosure according to an embodiment of the invention;
FIG. 4 is a front view of an explosion proof enclosure according to an embodiment of the invention;
FIG. 5 is a side view of an explosion proof enclosure according to an embodiment of the invention;
FIG. 6 is a top view of an explosion proof enclosure according to an embodiment of the invention;
FIG. 7 is a top view of an explosion proof enclosure (without a sandbox) according to an embodiment of the present invention;
FIG. 8 is a front view of an explosion proof enclosure (without a sandbox) according to an embodiment of the present invention;
figure 9 is a side view of an explosion proof enclosure (without a sandbox) according to an embodiment of the present invention.
Reference numerals are as follows:
the explosion-proof tank 100 is provided with,
a box body 1, a first side wall 11, a lifting door 111, a second side wall 12, an opening and closing door 121, a top door 13, a box body frame 14,
the anti-explosion trolley 2, the supporting rollers 21,
the pushing member 3, the pushing portion 31, the suspension lever 32,
the battery pack frame 4, the suspension cord 41, the steel ring 42,
a sand box 5, a sand storage plate 51, a sand sealing plate 52, a hanging ring 53, a steel chain 54,
and a battery pack 6.
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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Referring to fig. 1 to 9, an explosion-proof box 100 according to an embodiment of the invention is described, in which an explosion-proof trolley 2 is arranged in the explosion-proof box 100, and when the battery pack 6 is subjected to safety explosion protection, the battery pack 6 out of control can be transported into the explosion-proof trolley 2, so that the safety explosion protection of the battery pack 6 is realized in the explosion-proof box 100, thereby eliminating the need for performing site selection with too high safety requirements on the explosion-proof trolley 2, improving the processing efficiency of the battery pack 6, and achieving better fire extinguishing effect in the box body 1.
As shown in fig. 1 to 9, an explosion-proof case 100 according to an embodiment of the present invention includes: the explosion-proof trolley comprises a box body 1, an explosion-proof trolley 2, a pushing piece 3 and a battery pack frame 4.
The case body 1 is constructed in a hollow structure, i.e., an in-case space is formed inside the case body 1, and other components of the explosion-proof case 100 may be installed in the in-case space. A box body frame 14 is arranged in the box body 1, and components in the box body can be supported and connected through the box body frame 14 in the box body 1. The space in the box is selectively opened, for example, after the battery pack 6 enters the box body 1, the space in the box is in a closed state, which is beneficial to quickly realizing the safety and explosion prevention of the battery pack 6 in the box body 1.
The explosion-proof trolley 2 is positioned in the box body 1, water is filled in the explosion-proof trolley 2, the explosion-proof trolley 2 can be installed in the bottom space of the box body 1, the explosion-proof trolley 2 is provided with an explosion-proof cavity, and the upper side of the explosion-proof cavity is open. Like this, when actually carrying out the explosion-proof, can arrange thermal runaway's battery package 6 in the top of explosion-proof dolly 2, and make battery package 6 enter into the explosion-proof chamber for the water in the explosion-proof dolly 2 surpasses battery package 6, puts out a fire from battery package 6 to thermal runaway.
Pushing member 3 is movably mounted to casing 1, e.g. slidably supported to casing frame 14, i.e. pushing member 3 is movable relative to casing 1, e.g. pushing member 3 is movable relative to casing 1. The battery pack frame 4 is arranged on the pushing piece 3 and located above the anti-explosion trolley 2, the battery pack frame 4 is used for bearing the battery pack 6, and the anti-explosion box 100 is arranged to enable the battery pack frame 4 to fall into the anti-explosion trolley 2 when the pushing piece 3 is pushed to move relative to the box body 1.
From this, when thermal runaway appeared in battery package 6, accessible hacking machine transported battery package 6 to box 1 in, so that battery package 6 supports in battery package frame 4, promote impeller 3 through the hacking machine, so that impeller 3 is at the in-process of motion, battery package frame 4 drops from impeller 3, make battery package 6 that supports on battery package frame 4 drop to explosion-proof trolley 2 along with battery package frame 4 together in, so that the water in the explosion-proof trolley 2 puts out a fire to battery package 6, play the explosion-proof function of thermal runaway's battery package 6.
After the battery pack 6 enters the anti-explosion trolley 2, the box body 1 is in a relatively closed state, namely the anti-explosion trolley 2 is in a relatively closed environment, namely the anti-explosion environment of the anti-explosion trolley 2 does not need to be addressed, the anti-explosion effect can be realized in more scenes, and the use is convenient. And the environment in the box 1 is comparatively sealed for the environment that the battery package 6 of thermal runaway is located is unfavorable for the thermal diffusion more, greatly promotes the fire control effect, promotes the factor of safety of putting out a fire.
In some embodiments, explosion proof enclosure 100, further comprises: the sandbox 5 and the sandbox 5 are located above the battery pack frame 4, specifically, the sandbox 5 is located in the box body 1 and is fixed relative to the box body 1 above the battery pack frame 4, for example, the sandbox 5 is connected with the box body frame 14, and a large amount of gravels are stored in the sandbox 5.
The bottom of the sandbox 5 is provided with a sand outlet and a sand sealing plate 52, the sand outlet is opposite to the upper part of the explosion-proof trolley 2, so that gravel in the sandbox 5 can enter the explosion-proof cavity from the sand outlet, and the gravel can also play a role in extinguishing the battery pack 6 with thermal runaway. The sand trap 52 is used to close the sand outlet and the sand trap 52 is movable relative to the sand box 5, i.e. the sand outlet can be opened when the sand trap 52 is moved relative to the sand box 5.
The sand sealing plate 52 is connected with the battery pack frame 4, that is, when the battery pack 6 is explosion-proof, the sand sealing plate 52 and the battery pack frame 4 can be relatively fixed, and then when the battery pack frame 4 moves relative to the box body 1, the battery pack frame 4 can drive the sand sealing plate 52 to move relative to the sand box 5, so that the sand outlet is opened by the sand sealing plate 52.
From this, drive impeller 3 back of moving, battery package frame 4 and battery package 6 together fall into explosion-proof dolly 2 in, simultaneously, seal sand board 52 and also enter into explosion-proof dolly 2 along with battery package frame 4 to make go out the sand mouth and open the gravel in sandbox 5 and also enter into explosion-proof dolly 2 thereupon, and then cover, the deactivation to battery package 6 of thermal runaway. In other words, the invention realizes the fire extinguishing of the battery pack 6 which is out of control thermally by combining water and gravel, thereby increasing the reliability of fire extinguishing.
In some embodiments, the bottom of the sand screen 52 is provided with a hanging ring 53, wherein the upper edge of the peripheral wall of the hanging ring 53 is fixedly connected with the bottom of the sand screen 52. And the battery pack frame 4 is connected with a suspension rope 41, the suspension rope 41 is suspended on the pushing piece 3, the hanging ring 53 is connected with the suspension rope 41, and the suspension rope 41 is arranged in the hanging ring 53 in a penetrating way, so that the hanging ring 53 and the suspension rope 41 are relatively fixed.
From this, when dropping in battery package 6 support orientation explosion-proof dolly 2, suspension rope 41 can drive rings 53 to drive through rings 53 and seal husky board 52 whereabouts, and then realize the opening effect of husky mouth, simple structure, simple to operate.
In practical design, one suspension cord 41 may be provided, or a plurality of suspension cords may be provided.
In a further embodiment, the bottom of the suspension ring 53 is provided with a steel chain 54, and the end of the steel chain 54 facing away from the suspension ring 53 is connected to the suspension cord 41. It should be noted that, during actual design, a plurality of steel rings 42 may be provided, and a plurality of suspension ropes 41 are provided, and both ends of each suspension rope 41 are connected with the steel rings 42, and meanwhile, the upper end of the steel chain 54 is connected with the hanging ring 53, and the lower end of the steel chain 54 is connected with one steel ring 42, and the steel rings 42 at the ends of the suspension ropes 41 are connected with the steel ring 42 at the lower end of the steel chain 54, so that the suspension ropes 41 are connected with the steel chain 54 and the hanging ring 53, and when the battery pack frame 4 drops, each suspension rope 41 and the hanging ring 53 can be driven to drop, thereby ensuring that the sand outlet is effectively opened.
As shown in fig. 7, a hanging rod 32 may be disposed on the pushing member 3, the hanging rod 32 extends along the moving direction of the pushing member 3, and the steel ring 42 at the lower end of the steel chain 54 is sleeved on the hanging rod 32, and when the pushing member 3 moves relative to the battery pack frame 4, the hanging rod 32 may be pulled out from the steel ring 42 at the lower end of the steel chain 54, so as to drop the battery pack frame 4 and the sand sealing plate 52.
In some embodiments, the sandbox 5 has an upward-opening sand storage space, the top of the box body 1 is provided with a sand inlet and a top door 13, the sand inlet is opposite to the sand storage space in the up-down direction, and the top door 13 is used for closing the sand inlet.
As shown in fig. 6, a top door 13 is provided on the top of the box body 1, the top door 13 may be provided in two, and the two top doors 13 are split doors. The upside of storing up husky space is opened, and advances husky mouth and be located storing up husky space directly over to in time supply through advancing husky mouth when the grit in storing up husky space is not enough, thereby make sandbox 5 use repeatedly.
In some embodiments, the sandbox 5 includes a plurality of sand storage plates 51, and the plurality of sand storage plates 51 are sequentially connected in a splicing manner in the circumferential direction of the sand outlet, that is, the sandbox 5 may be formed by splicing the plurality of sand storage plates 51, as shown in fig. 3, the sandbox 5 includes 4 sand storage plates 51, and the 4 sand storage plates 51 are sequentially connected in a splicing manner to form a circumferentially closed structure, and a sand outlet is formed in the middle.
Wherein, the one end that the sand storage plate 51 limited the sand outlet is less than the one end that the sand storage plate 51 deviates from the sand outlet, in other words, a plurality of sand storage plates 51 are the inclined plate, and the inner of sand storage plate 51 is less than the height of outer end to make sandbox 5 construct like funnel shaped structure, from this, operating personnel when advancing sand outlet towards sandbox 5 and supply the gravel through, can make the gravel can be concentrated towards the middle part automatically under the slope effect of sand storage plate 51, guarantee that the sand outlet is opening the back, the gravel can be discharged effectively from the sand outlet.
In some embodiments, the battery pack frame 4 defines a support space for accommodating the battery pack 6, and as shown in fig. 8 and 9, the battery pack frame 4 includes a plurality of lateral longitudinal beams, and the plurality of lateral longitudinal beams are cross-connected to define a support space, wherein both sides of the support space are open so that the battery pack 6 can enter the support space.
Wherein, box 1 is equipped with battery package 6 import, and battery package 6 import is just right with the support space, and like this, when the hacking machine transported the battery package 6 of thermal runaway to box 1, battery package 6 can enter into the support space from battery package 6 import, and then supports battery package 6 on battery package frame 4.
And the box body 1 is provided with a box body 1 door for sealing the inlet of the battery pack 6, and the box body 1 door can selectively seal the inlet of the battery pack 6 so as to enable the interior of the box body 1 to be in a relatively closed state, thereby ensuring that an explosion-proof environment is relatively closed and realizing timely fire extinguishing of the battery pack 6.
In some embodiments, the door of the box body 1 is provided as a lifting door 111, and the lifting door 111 is movably installed to the box body 1 in an up-down direction to selectively close the entrance of the battery pack 6. Thus, the elevating door 111 can be moved in the up-and-down direction so that the elevating door 111 selectively opens or closes the entrance to the battery pack 6.
As shown in fig. 3, the lifting door 111 is located at a side wall of the box body 1, and the lifting door 111 is slidably mounted to the box body 1, wherein the battery pack 6 is accessed at an upper region of the side wall where it is located. Therefore, the lifting door 111 can slide upwards to seal the inlet of the battery pack 6 and realize internal fire extinguishing, and the lifting door 111 can be driven to slide downwards to open the inlet of the battery pack 6 and realize the transportation of the battery pack 6.
In some embodiments, the pushing member 3 is provided with a pushing portion 31, the pushing portion 31 penetrates through the box body 1 and extends out of the box body 1, and the pushing portion 31 is used for being in press fit with the stacker crane. As shown in fig. 1, the pushing portion 31 may be a plurality of rod bodies connected in a crossing manner, and the pushing portion 31 is located outside the box body 1.
In a specific installation, a sliding port may be provided on a side wall of the case 1, and the pushing member 3 may slide on the sliding port with respect to the case 1. The pushing part 3 is supported at the sliding opening in a sliding mode in the horizontal direction, so that the pushing part 3 can extend out or retract relative to the box body 1, and therefore after the battery pack 6 is conveyed to the battery pack frame 4 by the stacker crane, the pushing part 31 can be pushed, the pushing part 3 can move in the box body 1, and further the pushing part and the battery pack frame 4 are separated in the moving process, the battery pack frame 4 can fall into the anti-explosion trolley 2 in time, and fire extinguishment is achieved.
In some embodiments, the explosion-proof trolley 2 is movably mounted in the box body 1, and the bottom of the explosion-proof trolley 2 is provided with the supporting rollers 21, in other words, the explosion-proof trolley 2 can flexibly move relative to the box body 1, and the contact friction force between the explosion-proof trolley 2 and the bottom of the box body 1 is small, so that the position of the explosion-proof trolley 2 in the box body 1 can be flexibly adjusted.
It should be noted that the box body 1 includes a first side wall 11 and a second side wall 12 which are distributed oppositely, wherein an inlet of the battery pack 6 is disposed on the first side wall 11, the second side wall 12 is provided with a trolley moving opening, and the second side wall 12 is provided with an opening and closing door 121, and the opening and closing door 121 can selectively close the trolley moving opening. And when the dolly dodge gate was opened, explosion-proof dolly 2 can push or release from dolly dodge gate department, promptly after realizing putting out a fire, can withdraw from explosion-proof dolly 2 from box 1, and then handles battery package 6 after putting out a fire to and be convenient for carry out moisturizing etc. to explosion-proof dolly 2.
1. In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
2. In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
3. In the description of the present invention, "a plurality" means two or more.
4. In the description of the present invention, the first feature being "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.
5. In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply 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 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 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. An explosion proof tank, comprising:
a box body;
the anti-explosion trolley is positioned in the box body and is filled with water;
a pushing member movably mounted to the case;
the battery pack frame is arranged on the pushing piece and located above the anti-explosion trolley, the battery pack frame is used for bearing a battery pack, and the anti-explosion box is arranged to enable the battery pack frame to fall into the anti-explosion trolley when the pushing piece is pushed to move relative to the box body.
2. The explosion proof tank of claim 1 further comprising: the sandbox is located above the battery pack frame, a sand outlet and a sand sealing plate used for sealing the sand outlet are arranged at the bottom of the sandbox, and the sand sealing plate is connected with the battery pack frame.
3. The explosion-proof tank as claimed in claim 2, wherein a hanging ring is provided at the bottom of the sand-sealing plate, a hanging rope is connected to the battery pack frame, the hanging rope is hung from the pushing member, and the hanging ring is connected to the hanging rope.
4. The explosion proof box of claim 3 wherein the bottom of the lifting ring is provided with a steel chain, and one end of the steel chain departing from the lifting ring is connected with the suspension rope.
5. The explosion-proof box of claim 2, wherein the sandbox has an upward-opening sand storage space, the top of the box body is provided with a sand inlet and a top door, the sand inlet is opposite to the sand storage space in the up-down direction, and the top door is used for sealing the sand inlet.
6. The explosion-proof box of claim 5, wherein the sand box comprises a plurality of sand storage plates which are sequentially spliced and connected in the circumferential direction of the sand outlet, and one end of the sand storage plate which defines the sand outlet is lower than one end of the sand storage plate which is far away from the sand outlet.
7. The explosion proof tank of claim 1 wherein said battery pack frame defines a support space for receiving said battery pack, said tank body is provided with a battery pack inlet, said battery pack inlet is directly opposite said support space, and said tank body is provided with a tank body door for closing said battery pack inlet.
8. The explosion proof box of claim 7 wherein said box door is configured as a lift gate and said lift gate is movably mounted to said box in an up and down direction to selectively close said battery pack access opening.
9. The explosion proof tank of claim 1 wherein the pushing member is provided with a pushing portion which penetrates through the tank body and extends outside the tank body, the pushing portion being adapted to be in abutting press fit with a stacker crane.
10. The explosion-proof tank as claimed in claim 1, wherein the explosion-proof trolley is movably mounted in the tank body, and supporting rollers are arranged at the bottom of the explosion-proof trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211265632.1A CN115887973A (en) | 2022-10-17 | 2022-10-17 | Explosion-proof box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211265632.1A CN115887973A (en) | 2022-10-17 | 2022-10-17 | Explosion-proof box |
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| CN115887973A true CN115887973A (en) | 2023-04-04 |
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| CN202211265632.1A Pending CN115887973A (en) | 2022-10-17 | 2022-10-17 | Explosion-proof box |
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| CN215136246U (en) * | 2021-04-29 | 2021-12-14 | 恒大新能源技术(深圳)有限公司 | Battery module explosion-proof box and battery module explosion-proof equipment |
| CN114949677A (en) * | 2022-05-25 | 2022-08-30 | 覃遵亮 | Fire control component and distribution switch cabinet |
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