CN219513261U - Energy storage power supply with group battery protective structure - Google Patents
Energy storage power supply with group battery protective structure Download PDFInfo
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- CN219513261U CN219513261U CN202320550340.6U CN202320550340U CN219513261U CN 219513261 U CN219513261 U CN 219513261U CN 202320550340 U CN202320550340 U CN 202320550340U CN 219513261 U CN219513261 U CN 219513261U
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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 utility model relates to the technical field of power supplies, and particularly discloses an energy storage power supply with a battery pack protection structure, which has long service life and is not easy to damage, and the energy storage power supply comprises a main shell, two metal brackets, an inversion box and a battery module, wherein the two metal brackets are accommodated in the main shell and are oppositely arranged to form a mounting area; the battery module comprises two rectangular cell mounting plates which are oppositely arranged and are fixedly provided with a battery pack therebetween, four corners of each rectangular cell mounting plate are respectively provided with an L-shaped notch which is embedded and matched with the metal bracket, the rectangular cell mounting plates at the bottom of the battery pack are fixedly connected with the metal bracket, and the rectangular cell mounting plates at the top of the battery pack are fixedly connected with the supporting plates; two second protection plates are arranged at the lower part of the installation area and on two opposite sides of the battery pack.
Description
Technical Field
The utility model relates to the technical field of power supplies, in particular to an energy storage power supply with a battery pack protection structure.
Background
An outdoor power supply is a power supply device for supplying power in a field environment, and often has an ultra-large battery capacity to accommodate the demands of field electricity. Considering that the user still needs to carry other articles when making the external power supply of user, in order to alleviate the portable burden of user, outdoor power supply's structure is comparatively simple, and the battery pack is always exposed to design, and the battery pack mounting structure adopts light material to make often to reduce outdoor power supply's whole weight. However, in the carrying and using process of the outdoor power supply, the outdoor power supply is extremely easy to collide or collide due to the influence of human factors or environmental factors, so that the battery pack mounting structure and the battery pack are damaged, and the service life of the outdoor battery is shortened.
Disclosure of Invention
In view of the foregoing, it is desirable to provide an energy storage power supply with a battery pack protection structure that has a long service life.
An energy storage power supply with a battery pack protection structure, comprising:
a main housing;
two metal brackets are oppositely arranged in the main shell, and a mounting area is formed between the two metal brackets;
the inversion box is positioned in the main shell and is accommodated at the upper part of the installation area and comprises an inversion sheet metal support fixedly connected with two metal supports, first protection plates oppositely arranged at two sides of the inversion sheet metal support, a support plate arranged at the bottom of the inversion sheet metal support and a top cover pressing plate arranged at the top of the inversion sheet metal support, and a circuit board is arranged in an area surrounded by the inversion sheet metal support;
the battery module is positioned in the main shell and is accommodated at the lower part of the installation area, the battery module comprises two rectangular cell installation plates which are oppositely arranged, a battery pack is fixedly arranged between the two rectangular cell installation plates, L-shaped notches which are matched with the metal support in an embedded manner are respectively arranged at four corners of the rectangular cell installation plates, the rectangular cell installation plates at the bottom of the battery pack are fixedly connected with the metal support, and the rectangular cell installation plates at the top of the battery pack are fixedly connected with the support plate; two second protection plates fixedly connected with the metal support are arranged at the two opposite sides of the battery pack at the lower part of the mounting area.
In one embodiment, each metal support is of a U-shaped structure and comprises two vertical support rods which are arranged in parallel and a transverse support plate fixedly connected with the bottoms of the two vertical support rods, wherein each vertical support rod comprises a support column which is vertically connected with the transverse support plate and is embedded with the L-shaped notch, an angular limiting piece which is fixed at the top of the support column and is of an L-shaped structure in cross section, a first installation part for receiving and fixing the support plate is formed at the top of the support column, and a second installation part for receiving a rectangular battery cell installation plate at the bottom of the battery pack is formed on the transverse support plate.
In one embodiment, the battery module further comprises an extension plate integrally formed with the rectangular cell mounting plate at the bottom of the battery pack, and the extension plate penetrates through the area between the two vertical support rods; the bottom of the transverse supporting plate is provided with a base, one side of the base is protruded and forms a fixing plate corresponding to the extension plate, and the fixing plate is connected with the extension plate through screws.
In one embodiment, the transverse supporting plate is of a U-shaped structure bent towards the area between the two metal brackets.
In one embodiment, the top of the angular limiting piece protrudes from one side adjacent to the middle of the metal bracket and forms a third installation part connected with the inverted sheet metal bracket through screws.
In one embodiment, a metal link is disposed between the bases of the two metal brackets.
In one embodiment, the first protection plate and the support plate are provided with a plurality of lightening holes, and the second protection plate is provided with a plurality of heat dissipation holes.
In one embodiment, a plurality of connection support legs are arranged between the rectangular cell mounting plate and the support plate at the top of the battery pack.
In one embodiment, at least one first cooling fan is arranged between two first protection plates on one side of the inversion sheet metal support, and a first air inlet corresponding to the first cooling fan is arranged on the other side of the inversion sheet metal support; at least one second cooling fan is arranged between the two second protection plates on one side of the battery pack, and a second air inlet corresponding to the second cooling fan is arranged on the other side of the battery pack.
In one embodiment, the first and second heat dissipation fans are disposed at different sides of the battery pack.
According to the energy storage power supply with the battery pack protection structure, the metal supports are arranged on the two sides of the inversion box and the battery module, the metal supports are not easy to deform, deformation or damage caused by direct impact of the battery module or the inversion box with an external object when the energy storage power supply is impacted or knocked can be avoided, the impact resistance of the energy storage power supply is improved, the first protection plate and the second protection plate are arranged, the inversion box and the battery module are further protected, and the inversion box and the battery module are prevented from being damaged by external scraping; the setting of L type breach on the rectangle electric core mounting panel has realized the inlaying of battery module and metal support and has cooperated, through spacing restriction each other between metal support and the battery module, has improved energy storage power supply's bulk strength, avoids energy storage power supply to damage and battery module damage problem because of the not hard up spare part that causes of structure when receiving the impact to extension energy storage power supply's life.
Drawings
FIG. 1 is a schematic diagram of a perspective view of an energy storage power supply according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a structure of an energy storage power supply according to another embodiment of the present utility model;
FIG. 3 is a schematic diagram of an exploded view of an inverter box according to an embodiment of the present utility model;
fig. 4 is a schematic view illustrating an exploded structure of a battery module according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a metal bracket according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a metal bracket according to another embodiment of the present utility model.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
Referring to fig. 1 to 4, the present utility model provides an energy storage power supply with a battery pack protection structure, which includes a main housing, two metal brackets 100 disposed in the main housing, an inverter box 200 disposed in the main housing, and a battery module 300 disposed in the main housing, wherein a mounting area is formed between the two metal brackets 100, the inverter box 200 is accommodated in an upper portion of the mounting area, and the battery module 300 is accommodated in a lower portion of the mounting area, i.e., the inverter box 200 and the battery module 300 are stacked. In this embodiment, the battery module 300 is disposed at the lower portion of the inverter box 200, on one hand, because the weight of the battery module 300 is much larger than that of the inverter box 200, the lower design of the battery module 300 reduces the center of gravity of the energy storage power supply, which is beneficial to improving the stability of the energy storage power supply, so as to reduce the possibility of the energy storage power supply toppling over when being impacted externally, and improve the wind resistance of the energy storage power supply in an outdoor environment; in addition, by arranging the battery module 300 under the battery module, when the energy storage power supply receives vertical impact, the inverter box 200 above the battery module 300 can buffer external impact to reduce the damage degree of the battery module 300.
The metal bracket 100 may be made of various metal materials with better mechanical strength, for example, metal copper, stainless steel, titanium alloy, etc., and in consideration of portability and cost of the energy storage power supply, in this embodiment, the metal bracket 100 is made of die-cast aluminum materials.
The inversion box 200 comprises an inversion sheet metal bracket 210 fixedly connected with two metal brackets 100, first protection plates 220 oppositely arranged on two sides of the inversion sheet metal bracket 210, a support plate 230 arranged at the bottom of the inversion sheet metal bracket 210, and a top cover pressing plate 240 arranged at the top of the inversion sheet metal bracket 210, wherein a circuit board 250 is arranged in an area surrounded by the inversion sheet metal bracket 210. In this embodiment, the inverter sheet metal support 210 is used as a supporting framework of the inverter box 200, which encloses a rectangular cavity for accommodating the circuit board 250, and the first protection plate 220 is used for protecting the side surface of the circuit board 250. In this embodiment, the first protection plate 220 and the support plate 230 are provided with a plurality of weight-reducing holes 260 for reducing the overall weight of the inverter box 200, and the first protection plate 220, the support plate 230 and the inverter sheet metal bracket 210 are integrally formed and all made of sheet metal materials for improving the strength of the outer surface of the inverter box 200. In addition, the inner side surface of the first protection plate 220 and the top surface of the support plate 230 are respectively provided with a MYLAR sheet 270, wherein the MYLAR sheet (MYLAR sheet) is a film formed by heating dimethyl terephthalate and ethylene glycol under the assistance of related catalysts and performing transesterification and vacuum polycondensation, and biaxial stretching, and has good insulation, so that the problem of electric leakage of the circuit board 250 in the inverter box 200 can be avoided, and the use safety of the energy storage power supply is ensured. In this embodiment, the top cover pressing plate 240 is also made of a sheet metal material, so as to improve the strength of the top of the inverter box 200, and avoid the top of the energy storage power supply from being deformed due to extrusion of a heavy object, so as to prolong the service life of the energy storage power supply.
The battery module 300 includes two rectangular cell mounting plates 310 disposed opposite to each other, and a battery pack 320 is fixedly disposed between the two rectangular cell mounting plates 310. In this embodiment, a plurality of installation sleeves 330 are arranged on one surface of the rectangular battery cell mounting plate 310 at intervals, wiring contacts are arranged on the bottom surface of the installation sleeve 330, and the wiring contacts in the installation sleeves 330 are all connected in parallel, so, when the battery pack 320 is placed between two rectangular battery cell mounting plates 310, the tops of the batteries of the battery pack 320 are correspondingly inserted into the installation sleeves 330 of the rectangular battery cell mounting plate 310 at the top of the battery pack 320, and the bottoms of the batteries are correspondingly inserted into the installation sleeves 330 of the rectangular battery cell mounting plate 310 at the bottom of the battery pack 320, so that the batteries are connected in parallel while limiting and fixing the batteries of the battery pack 320 are realized, so that the capacity of an energy storage power supply is increased. The four corners of the rectangular cell mounting plate 310 are respectively provided with an L-shaped notch 311 which is embedded and matched with the metal bracket 100, the rectangular cell mounting plate 310 at the bottom of the battery pack 320 is fixedly connected with the metal bracket 100, and the rectangular cell mounting plate 310 at the top of the battery pack 320 is fixedly connected with the supporting plate 230. That is, the battery module 300 of the present embodiment is limited by the L-shaped notch 311 on the rectangular battery cell mounting plate 310, and the rectangular battery cell mounting plate 310 is further fixedly connected with the metal bracket 100 and the support plate 230, so as to further improve the stability of the energy storage power structure.
The lower part of the installation area is provided with two second protection plates 340 fixedly connected with the metal support 100 on two opposite sides of the battery pack 320, and the second protection plates 340 are used for protecting the sides of the battery module 300, however, in this embodiment, the second protection plates 340 are also used as connecting pieces of the two metal supports 100 at the same time, so as to improve the stability of the energy storage power supply structure and prevent the energy storage power supply from loosening or deforming in structure when in use. Further preferably, the second protection plate 340 is provided with a plurality of heat dissipation holes 341, and the heat generated in the operation of the battery pack 320 can be timely conducted out by arranging the heat dissipation holes 341 on the second protection plate 340, so as to avoid the problem of damage to the battery pack 320 caused by overheat of the battery pack 320, and prolong the service life of the battery pack 320.
Referring to fig. 5 and 6, each metal bracket 100 has a U-shaped structure, the metal bracket 100 includes two vertical support rods 110 disposed in parallel and a transverse support plate 120 fixedly connected to the bottoms of the two vertical support rods 110, the vertical support rods 110 include a support column 111 vertically connected to the transverse support plate 120 and fitted with an L-shaped notch 311, an angular limiting member 112 fixed on the top of the support column 111 and having an L-shaped cross section, a first mounting portion 113 for receiving and fixing the support plate 230 is formed on the top of the support column 111, and a second mounting portion for receiving a rectangular battery cell mounting plate 310 at the bottom of the battery pack 320 is formed on the transverse support plate 120. It can be understood that the battery module 300 realizes the limit with the support column 111 of the vertical support rod 110 through the L-shaped notch 311 on the rectangular battery cell mounting plate 310, and the inverter box 200 realizes the limit fit between the inverter box 200 and the metal bracket 100 through the mutual constraint between the corner parts and the inner surface of the angular limiting member 112. In this embodiment, the first mounting portion 113 is provided with a threaded hole for inserting a screw passing through the support plate 230 or the inverter sheet metal bracket 210, so as to realize the fixed connection between the inverter box 200 and the metal bracket 100. Further preferably, the top of the angular limiting member 112 protrudes from a side adjacent to the middle of the metal bracket 100 and forms a third mounting portion 114 in screw connection with the inverter sheet metal bracket 210, and by providing the third mounting portion 114, a connection portion between the upper portion of the inverter sheet metal bracket 210 and the metal bracket 100 is provided, so that the stability of connection between the inverter box 200 and the metal bracket 100 is further improved. In addition, a limiting groove 115 is formed on the outer side of the support column 111, i.e. on the side of the support column 111 facing away from the area between the two vertical support rods 110, and the end portion of the second protection plate 340 is embedded in the limiting groove 115 and connected with the support rod screw of the metal support 100.
In an embodiment, the lateral support plate 120 has a U-shaped structure that is bent towards the area between the two metal brackets 100, and by designing the lateral support plate 120 to have a U-shaped structure that is bent towards the area between the two metal brackets 100, the area on the lateral support plate 120 that is matched with the rectangular cell mounting plate 310 at the bottom of the battery pack 320 is closer to the middle of the rectangular cell mounting plate 310, so as to reduce the moment applied to the matching portion of the lateral support plate 120 with the rectangular cell mounting plate 310 at the bottom of the battery pack 320, and avoid the breakage of the rectangular cell mounting plate 310 at the bottom of the battery pack 320 due to overload, so as to prolong the service life of the rectangular cell mounting plate 310 at the bottom of the battery pack 320.
In one embodiment, the battery module 300 further includes an extension plate 350 integrally formed with the rectangular cell mounting plate 310 at the bottom of the battery pack 320, and the extension plate 350 passes through the area between the two vertical support rods 110; the base 130 is provided at the bottom of the lateral support plate 120, one side of the base 130 is protruded and forms a fixing plate 140 corresponding to the extension plate 350, and the fixing plate 140 is screw-coupled with the extension plate 350. Preferably, in this embodiment, the fixing plate 140 is provided with a plurality of nut posts 141, and the extension plate 350 is provided with screw holes 351 corresponding to the nut posts one by one, so that the fixing plate 140 can realize screw connection between the fixing plate 140 and the extension plate 350 by penetrating the screw holes 351 and the bolts or screws of the nut posts 141 one by one, thereby increasing the connection area of the fixing plate 140 and the extension plate 350 and further improving the stability of mounting the battery module 300 on the metal bracket 100. It should be noted that, at least one mounting hole is formed on the base 130, and the mounting hole is used for providing a connection portion between the base 130 and the plastic middle frame of the main housing, so as to realize the fixed connection between the metal bracket 100 and the main housing. In addition, in the present embodiment, a metal connecting rod 400 is disposed between the bases 130 of the two metal brackets 100, and the metal connecting rod 400 is used for further improving the stability of the connection of the two metal brackets 100.
In order to improve the integrity of the energy storage power supply, in an embodiment, a plurality of reinforcing ribs are disposed at one end of each connecting leg 500 adjacent to the rectangular cell mounting plate 310 at the top of the battery pack 320 between the rectangular cell mounting plate 310 at the top of the battery pack 320 and the support plate 230, so as to improve the mechanical strength of the connecting legs 500, the connecting legs 500 realize the fixed connection between the inverter box 200 and the battery module 300, and in this embodiment, the two metal brackets 100 at two sides are fixedly connected through the metal connecting rod 400, the second protection plate 340, the rectangular cell mounting plate 310 and the inverter sheet metal bracket 210, and the inverter box 200 is also fixed with the battery module 300 through the connecting legs 500, so that the stability of the integral structure of the energy storage power supply is improved.
Referring to fig. 1 and 2 again, at least one first cooling fan 600 is disposed between two first protection plates 220 on one side of the inversion sheet metal support 210, and a first air inlet 610 corresponding to the first cooling fan 600 is disposed on the other side of the inversion sheet metal support 210; at least one second heat dissipation fan 700 is disposed between the two second protection plates 340 at one side of the battery pack 320, the second heat dissipation fan 700 is fixedly connected with the metal bracket, and a second air inlet 620 corresponding to the second heat dissipation fan 700 is disposed at the other side of the battery pack 320. In this embodiment, when the first cooling fan 600 works, the external air flow enters the inner cavity of the inverter box 200 through the first air inlet 610 and takes away the heat generated when the circuit board 250 works, so as to avoid overheating damage of the circuit board 250; similarly, when the cooling fan works, external air flow enters the area between the batteries through the second air inlet 620 and takes away heat generated when the batteries work, so that the batteries are prevented from being overheated and damaged, and the service life of the energy storage power supply is prolonged. Preferably, in the present embodiment, the first and second heat dissipation fans 600 and 700 are disposed at opposite sides of the battery pack 320. Through setting up first radiator fan 600 and second radiator fan 700 in the different sides of group battery 320, on the one hand be favorable to energy storage power's focus to stabilize, prevent because of first radiator fan 600 and second radiator fan 700 set up when the homonymy, the energy storage power's that energy storage power one side overweight caused easily emptys the problem under external impact.
According to the energy storage power supply with the battery pack protection structure, the metal brackets 100 are arranged on two sides of the inversion box 200 and the battery module 300, the metal brackets 100 are not easy to deform, deformation or damage caused by direct impact of the battery module 300 or the inversion box 200 with external objects when the energy storage power supply is impacted or knocked can be avoided, the impact resistance of the energy storage power supply is improved, the first protection plate 220 and the second protection plate 340 are arranged, the inversion box 200 and the battery module 300 are further protected, and the inversion box 200 and the battery module 300 are prevented from being damaged by external impact; the arrangement of the L-shaped notch 311 on the rectangular cell mounting plate 310 realizes the embedded matching of the battery module 300 and the metal bracket 100, and through the mutual limiting restriction between the metal bracket 100 and the battery module 300, the overall strength of the energy storage power supply is improved, and the problems of damage to parts and damage to the battery module 300 caused by loosening of the structure when the energy storage power supply is impacted are avoided, so that the service life of the energy storage power supply is prolonged.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. An energy storage power supply having a battery pack protection structure, comprising:
a main housing;
two metal brackets are oppositely arranged in the main shell, and a mounting area is formed between the two metal brackets;
the inversion box is positioned in the main shell and is accommodated at the upper part of the installation area and comprises an inversion sheet metal support fixedly connected with two metal supports, first protection plates oppositely arranged at two sides of the inversion sheet metal support, a support plate arranged at the bottom of the inversion sheet metal support and a top cover pressing plate arranged at the top of the inversion sheet metal support, and a circuit board is arranged in an area surrounded by the inversion sheet metal support;
the battery module is positioned in the main shell and is accommodated at the lower part of the installation area, the battery module comprises two rectangular cell installation plates which are oppositely arranged, a battery pack is fixedly arranged between the two rectangular cell installation plates, L-shaped notches which are matched with the metal support in an embedded manner are respectively arranged at four corners of the rectangular cell installation plates, the rectangular cell installation plates at the bottom of the battery pack are fixedly connected with the metal support, and the rectangular cell installation plates at the top of the battery pack are fixedly connected with the support plate; two second protection plates fixedly connected with the metal support are arranged at the two opposite sides of the battery pack at the lower part of the mounting area.
2. The energy storage power supply according to claim 1, wherein each metal bracket is of a U-shaped structure and comprises two vertical supporting rods arranged in parallel and a transverse supporting plate fixedly connected with the bottoms of the two vertical supporting rods, each vertical supporting rod comprises a supporting column vertically connected with the transverse supporting plate and in embedded fit with the L-shaped notch, an angular limiting piece fixed at the top of the supporting column and with an L-shaped cross section, a first installation part for receiving and fixing the supporting plate is formed at the top of the supporting column, and a second installation part for receiving a rectangular battery cell installation plate at the bottom of the battery pack is formed on the transverse supporting plate.
3. The energy storage power supply of claim 2, wherein the battery module further comprises an extension plate integrally formed with the rectangular cell mounting plate at the bottom of the battery pack, the extension plate passing through the area between the two vertical support bars; the bottom of the transverse supporting plate is provided with a base, one side of the base is protruded and forms a fixing plate corresponding to the extension plate, and the fixing plate is connected with the extension plate through screws.
4. The energy storage power supply of claim 3, wherein the transverse support plate has a U-shaped configuration bent toward the region between the two metal brackets.
5. The energy storage power supply according to claim 4, wherein the top of the angular limiting piece is protruded on one side adjacent to the middle of the metal bracket and forms a third installation part connected with the inverted sheet metal bracket through screws.
6. The energy storage power supply of claim 5, wherein a metal link is disposed between the bases of the two metal brackets.
7. The energy storage power supply of claim 6, wherein the first protection plate and the support plate are provided with a plurality of lightening holes, and the second protection plate is provided with a plurality of heat dissipation holes.
8. The energy storage power supply of claim 7, wherein a plurality of connection legs are arranged between the rectangular cell mounting plate and the support plate at the top of the battery pack.
9. The energy storage power supply according to claim 8, wherein at least one first cooling fan is arranged between the two first protection plates on one side of the inversion sheet metal support, and a first air inlet corresponding to the first cooling fan is arranged on the other side of the inversion sheet metal support; at least one second cooling fan is arranged between the two second protection plates on one side of the battery pack, and a second air inlet corresponding to the second cooling fan is arranged on the other side of the battery pack.
10. The energy storage power supply of claim 9, wherein the first and second cooling fans are disposed on opposite sides of the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550340.6U CN219513261U (en) | 2023-03-20 | 2023-03-20 | Energy storage power supply with group battery protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550340.6U CN219513261U (en) | 2023-03-20 | 2023-03-20 | Energy storage power supply with group battery protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219513261U true CN219513261U (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320550340.6U Active CN219513261U (en) | 2023-03-20 | 2023-03-20 | Energy storage power supply with group battery protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219513261U (en) |
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2023
- 2023-03-20 CN CN202320550340.6U patent/CN219513261U/en active Active
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