CN216793858U - High-voltage box and energy storage device - Google Patents

Abstract

The utility model discloses a high-voltage box and an energy storage device. The high-voltage box comprises a box body, a bottom supporting plate and an electrical assembly. The bottom supporting plate is detachably connected with the lower surface of the box body and is contained in the box body. The electric assembly is fixed on the bottom supporting plate. According to the high-voltage box and the energy storage device, the bottom supporting plate is arranged in the box body, the electric assembly can be installed on the bottom supporting plate firstly, and then the bottom supporting plate provided with the electric assembly is detachably installed on the lower surface of the box body. So can be convenient for install, be favorable to promoting the assembly efficiency of high-pressure box.

Description

High-voltage box and energy storage device

Technical Field

The utility model relates to the technical field of energy storage, in particular to a high-voltage box and an energy storage device.

Background

With the development of social economy and the improvement of the living standard of people, the high-voltage box is widely applied in the industry. The high-voltage box in the related art comprises a plurality of electric parts, and the electric parts are usually installed on the bottom surface of the high-voltage box, however, the electric parts are located on the same plane on the bottom surface of the high-voltage box, which causes inconvenience in installation and affects assembly efficiency.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a high-voltage box and an energy storage device.

The high-voltage box comprises a box body, a bottom supporting plate and an electric assembly. The bottom supporting plate is detachably connected with the lower surface of the box body and contained in the box body. The electrical assembly is fixed on the bottom support plate.

In some embodiments, the bottom bracket includes a mounting member to which the electrical component is mounted, and a plurality of extension members connected to a periphery of the mounting member and extending in the same direction.

In some embodiments, the length of the mounting member is less than the length of the lower surface of the cassette body and the width of the mounting member is less than the width of the lower surface of the cassette body.

In some embodiments, the difference between the length of the mounting member and the length of the lower surface of the cassette is not less than 5mm, and the difference between the width of the mounting member and the width of the lower surface of the cassette is not less than 5 mm.

In certain embodiments, the high pressure cartridge comprises a support member comprising a first support section and a second support section, the second support section protruding from the first support section, the first support section connecting the second support section and the lower surface of the cartridge body, the second support section connecting the first support section and abutting the lower surface of the bottom pallet, the second support section supporting and connecting the bottom pallet.

In some embodiments, the bottom plate is provided with a connecting hole, the electrical assembly includes a fixing hole corresponding to the connecting hole, and the high-voltage box further includes a fixing member, and the fixing member penetrates through the connecting hole and the fixing hole.

In some embodiments, the bottom support plate is provided with lightening holes, and the lightening holes are used for lightening the weight of the bottom support plate.

In some embodiments, the electrical assembly includes a switching power supply, and the bottom plate defines a heat dissipation hole corresponding to the switching power supply.

In some embodiments, the high voltage box includes a connector and a front panel, the connector connecting a lower surface of the box body and the front panel.

The energy storage device of the embodiment of the utility model comprises the high-voltage box of any embodiment.

According to the high-voltage box and the energy storage device, the bottom supporting plate is arranged in the box body, the electric assembly can be installed on the bottom supporting plate firstly, and then the bottom supporting plate provided with the electric assembly is detachably installed on the lower surface of the box body. So can be convenient for install, be favorable to promoting the assembly efficiency of high-pressure box.

Additional aspects and advantages of the utility model 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 utility model.

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 exploded schematic view of a high pressure cassette according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of a high voltage cartridge according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a bottom bracket plate according to an embodiment of the utility model;

FIG. 4 is another exploded schematic view of a high pressure cassette according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an energy storage device according to an embodiment of the present invention.

The main components are as follows:

the high-voltage box 100, the box body 10, the lower surface 101, the bottom support plate 20, the connecting hole 201, the mounting member 21, the extension member 22, the lightening hole 23, the heat dissipation hole 24, the electrical component 30, the switching power supply 31, the fixing hole 301, the support member 40, the first support section 41, the second support section 42, the fixing member, the connecting member 50 and the front panel 60.

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 exemplary only for the purpose of illustrating the embodiments of the present invention and are not to be construed as limiting the embodiments of the present invention.

In embodiments 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, or may include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the utility model, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Embodiments of the utility model may repeat reference numerals and/or letters in the various examples for simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present invention provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1 to 4, a high voltage box 100 according to an embodiment of the present invention includes a box body 10, a bottom plate 20, and an electrical component 30. The bottom plate 20 is detachably coupled to the lower surface 101 of the case 10 and is accommodated in the case 10. The electrical assembly 30 is secured to the bottom bracket 20.

In the high voltage box 100 according to the embodiment of the present invention, the bottom plate 20 is disposed in the box body 10, and the electrical component 30 may be first mounted on the bottom plate 20, and then the bottom plate 20 with the electrical component 30 mounted thereon may be detachably mounted on the lower surface 101 of the box body 10. This facilitates the installation and facilitates the improvement of the assembling efficiency of the high-voltage cartridge 100.

Specifically, the high voltage cartridge 100 includes a cartridge body 10, a bottom plate 20, and an electrical component 30. The case body 10 includes a side wall, a top cover, and a bottom. The side walls and the cassette bottom may be made of a metallic material, the cassette bottom comprising a lower surface 101. The side wall may be provided with a through hole which may increase the heat dissipation effect of the electrical component 30 which is prone to heat generation. The top cover may be made of a metal material or a plastic material, which is not limited herein. The case body 10 made of all metal materials is more durable, and the case body 10 made of metal material side walls, a case bottom and a plastic material top cover can reduce the weight, so that the high-voltage case 100 is prevented from being too heavy.

The bottom bracket plate 20 may be made of a metal material, and the bottom bracket plate 20 may be a metal plate formed by stamping or the like to form the bottom bracket plate 20. The upper surface of the bottom plate 20 is used for mounting the electrical component 30, the electrical component 30 may be mounted on the bottom plate 20 first, and the electrical component 30 and the bottom plate 20 may be detachably connected or fixedly connected, which is not limited herein. The detachably connected electrical component 30 and the bottom bracket plate 20 can facilitate maintenance and replacement of the electrical component 30. The fixed connection mode can be welding connection, and the fixed connection can increase stability. Specifically, after the electrical component 30 is mounted on the bottom plate 20, the bottom plate 20 mounted with the electrical component 30 is detachably mounted on the lower surface 101 of the case 10. This can improve the assembling efficiency of the high-voltage cartridge 100.

It is worth mentioning that the electrical assembly 30 includes a variety of electrical components including, but not limited to, pre-charge resistors, pre-charge relays, insulated posts, fuses, high voltage relays, switching power supplies, disconnectors, current sensors, etc. The plurality of electrical components may be connected by conductive members (e.g., wires), but are not limited thereto.

Referring to fig. 2 and 3, in some embodiments, the bottom bracket 20 includes a mounting member 21 and a plurality of extension members 22, the mounting member 21 is mounted with the electrical component 30, and the plurality of extension members 22 are connected to the periphery of the mounting member 21 and extend in the same direction.

Specifically, the mounting member 21 may be a flat metal plate, a plurality of extending members 22 are connected to the periphery of the metal plate and extend in the same direction, and the extending lengths of the plurality of extending members 22 are the same. In one embodiment, the bottom bracket plate 20 includes 1 mounting member 21 and 4 extension members 22, with the electrical component 30 secured to an upper surface of the mounting member 21. The mounting member 21 may have a rectangular shape, and the circumference of the mounting member 21 having the rectangular shape includes 4 sides, and 4 extension members 22 are respectively connected to the 4 sides of the mounting member 21 and extend in a vertically downward direction along the upper surface of the extension member 22.

It is worth mentioning that a plurality of extension pieces 22 can contradict the lower surface 101 of box body 10 for certain space has between the lower surface 101 of box body 10 and the installed part 21, so receive at the bottom of the box of box body 10 and collide with the equal condition under, can protect electrical component 30, the space between the lower surface 101 of box body 10 and the installed part 21 has cushioning effect under the condition of colliding with. The plurality of extension members 22 may provide increased stiffness to the bottom bracket plate 20 and increased structural strength.

In some embodiments, the length of the mounting member 21 is less than the length of the lower surface 101 of the cassette 10, and the width of the mounting member 21 is less than the width of the lower surface 101 of the cassette 10.

Specifically, the length of the mounting member 21 is less than the length of the lower surface 101 of the case 10, and the width of the mounting member 21 is less than the width of the lower surface 101 of the case 10, that is, the bottom plate 20 has a size less than that of the case 10. When the bottom plate 20 is placed in the box body 10 and located at the middle position of the lower surface 101 of the box body 10, the length direction of the mounting member 21 and the width direction of the mounting member 21 are both spaced from the side wall of the high voltage box 100. In this manner, the mounting of the bottom plate 20 to the bottom lower surface 101 of the cassette is facilitated.

In some embodiments, the difference between the length of the mounting member 21 and the length of the lower surface 101 of the case 10 is not less than 5mm, and the difference between the width of the mounting member 21 and the width of the lower surface 101 of the case 10 is not less than 5 mm.

Specifically, the length of the mounting member 21 may be L1, the length of the lower surface 101 of the case 10 may be L2, the difference between the length (L1) of the mounting member 21 and the length (L2) of the lower surface 101 of the case 10 is not less than 5mm, and the length (L2) of the lower surface 101 of the case 10 is greater than the length of the mounting member 21(L1), that is, L2-L1 is not less than 5 mm. The width of the mounting member 21 may be L3, the width of the lower surface 101 of the case 10 may be L4, the difference between the width (L3) of the mounting member 21 and the width (L4) of the lower surface 101 of the case 10 is not less than 5mm, and the width (L4) of the lower surface 101 of the case 10 is greater than the width (L3) of the mounting member 21, that is, L4-L3 is not less than 5 mm.

In some embodiments, the difference between the length of the mounting member 21 and the length of the lower surface 101 of the case 10 may be 5mm, 5.5mm, 6mm, 6.75mm, 7mm, or other values greater than 5mm, and is not limited herein. The difference between the width of the mounting member 21 and the width of the lower surface 101 of the case 10 may be 5mm, 5.5mm, 6mm, 6.75mm, 7mm, or other values greater than 5mm, and is not limited herein. Preferably, in the case where the difference between the length of the mounting member 21 and the length of the lower surface 101 of the case 10 is 5mm, and the difference between the width of the mounting member 21 and the width of the lower surface 101 of the case 10 is also 5mm, advantages are exhibited in terms of installation and space efficiency. It should be noted that the above data are preferred data obtained by analyzing and summarizing experimental data for a plurality of times, and should not be construed as limiting the present invention.

It should be noted that the specific examples and numerical values are for convenience of describing the embodiments of the present invention and should not be construed as limiting the present invention.

Referring to fig. 4 again, in some embodiments, the high voltage box 100 includes a supporting member 40, the supporting member 40 includes a first supporting section 41 and a second supporting section 42, the second supporting section 42 protrudes from the first supporting section 41, the first supporting section 41 connects the second supporting section 42 and the lower surface 101 of the box body 10, the second supporting section 42 connects the first supporting section 41 and abuts against the lower surface of the bottom plate 20, and the second supporting section 42 supports and connects the bottom plate 20.

Specifically, the support member 40 may be mounted on the lower surface 101 of the case 10 by welding, screwing, adhesion, snap-fitting, or the like. The supporting member 40 includes 2 first supporting sections 41 and 1 second supporting section 42, and the 2 first supporting sections 41 are respectively connected to two ends of the second supporting section 42. The second support section 42 has a certain height with respect to the 2 first support sections 41, and the second support section 42 protrudes from the 2 first support sections 41. The second supporting section 42 can support the lower surface of the bottom bracket plate 20, and the second supporting section 42 can be provided with a through hole, through which the supporting member 40 can be further connected and fixed with the bottom bracket plate 20. In this manner, the second support section 42 may ensure stability of the bottom bracket plate 20, the electrical component 30 mounted on the bottom bracket plate 20. The second support section 42 further supports the bottom bracket plate 20 and the electrical component 30, and can further prevent internal shaking when moving the high voltage box 100.

Referring to fig. 2 and 3 again, in some embodiments, the bottom plate 20 is opened with a connection hole 201, the electrical component 30 includes a fixing hole 301 corresponding to the connection hole 201, and the high voltage box 100 further includes a fixing member, and the fixing member penetrates through the connection hole 201 and the fixing hole 301.

Specifically, the bottom plate 20 is opened with a connection hole 201, and the electrical component 30 is opened with a fixing hole 301. The connecting hole 201 and the fixing hole 301 may be circular holes, elliptical holes, etc., and are not limited thereto. The hole diameters of the connection hole 201 and the fixing hole 301 may be the same or different, and are not limited herein. The fixing member can be continuously inserted into the connecting hole 201 and the fixing hole 301. In this way, the electric component 30 can be fixed to the bottom plate 20 through the connection hole 201, the fixing hole 301 provided in the bottom plate 20 corresponding to the connection hole 201, and the fixing member.

Referring again to fig. 2 and 3, in some embodiments, the bottom bracket plate 20 is provided with lightening holes 23, and the lightening holes 23 are used for lightening the weight of the bottom bracket plate 20.

Specifically, the bottom plate 20 may be provided with a plurality of lightening holes 23, and the opening sizes of the plurality of lightening holes 23 may be the same or different, which is not limited herein. The size of the openings of the plurality of lightening holes 23 may be related to the positions of the holes formed on the bottom bracket plate 20. In some embodiments, a plurality of lightening holes 23 may be provided at both ends in the length direction of the bottom bracket plate 20. In this way, the lightening holes 23 can reduce the weight of the bottom plate 20, and the lightening holes 23 can be used as conveying holes during assembly, thereby improving the use feeling.

Referring to fig. 3 again, in some embodiments, the electrical assembly 30 includes a switching power supply 31, and the bottom plate 20 is formed with a heat dissipation hole 24 corresponding to the switching power supply 31.

Specifically, the electrical component 30 includes a switching power supply 31, and the temperature of the switching power supply 31 is increased in a case where the switching power supply 31 is in an operating state. The switch power supply 31 is installed on the bottom support plate 20, and a plurality of heat dissipation holes 24 are formed in the position, corresponding to the switch power supply 31, of the bottom support plate 20. The heat dissipation holes 24 can increase the heat dissipation effect of the switching power supply 31, and prolong the service life of the switching power supply 31. Meanwhile, the heat dissipation holes 24 can also be used as holes for mounting the switching power supply 31, and the weight of the bottom plate 20 can be reduced.

Referring again to fig. 4, in some embodiments, the high voltage box 100 includes a connection member 50 and a front panel 60, and the connection member 50 connects the lower surface 101 of the box body 10 and the front panel 60.

Specifically, the high voltage cartridge 100 includes a connection member 50, and the connection member 50 is connected to a lower surface 101 of the cartridge body 10 and extends in a vertically upward direction along the lower surface 101. The high-voltage box 100 includes a front panel 60, and a plurality of interfaces, control knobs, etc. may be provided on the front panel 60. The connecting member 50 is used to connect the lower surface 101 of the case 10 and the front panel 60, and the connecting member 50 improves the stability of the installation of the front panel 60.

Referring to fig. 5, the present invention further discloses an energy storage device, which includes a high voltage box 100.

In the energy storage device according to the embodiment of the utility model, the bottom support plate 20 is arranged in the box body 10, and the electrical component 30 can be firstly installed on the bottom support plate 20, and then the bottom support plate 20 with the electrical component 30 installed thereon can be detachably installed on the lower surface 101 of the box body 10. This facilitates the installation and facilitates the improvement of the assembling efficiency of the high-voltage cartridge 100.

Specifically, the energy storage device may include a tuft block 200, and the high voltage box 100, which is typically made of a metallic material, of the tuft block 200 may be placed on the tuft block 200. The energy storage device may further include a plurality of battery modules 300, the cluster frame 200 being provided with an installation space in which the plurality of battery modules 300 are installed. The plurality of battery modules 300 may be electrically connected in series, in parallel, or in series-parallel. In some embodiments, the high voltage box 100 may be disposed at the lowest position of the battery modules 300 in the middle row, and the high voltage box 100 may control the charging and discharging of the battery modules 300 of the entire energy storage device. The high voltage box 100 is provided with 2 interfaces, which are a first interface and a second interface, the first interface is connected with the battery module 300 at the bottom of the first row of battery modules through a conductive member (such as a copper bar), then, the other battery modules 300 of the first row of battery modules are sequentially connected in series with the battery module 300 at the bottom, and then connected with the battery module 300 at the top of the second row of battery modules, the battery module 300 at the bottom of the second row of battery modules is connected with the battery module 300 at the bottom of the third row of battery modules, and the battery module 300 at the top of the third row of battery modules is connected with the second interface through another conductive member, thereby forming an integral series connection.

It should be noted that the above-mentioned examples and specific numerical values are provided for convenience of describing the implementation of the present invention, and should not be construed as limiting the scope of the present invention.

In the description herein, references to the description of the terms "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 utility model. In this specification, schematic representations of the above terms 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.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A high voltage cartridge, comprising:

a box body;

the bottom supporting plate is detachably connected with the lower surface of the box body and is contained in the box body;

an electrical component secured to the bottom bracket plate.

2. The high voltage cartridge of claim 1, wherein the bottom plate includes a mounting member to which the electrical component is mounted and a plurality of extension members that connect peripheral edges of the mounting member and extend in the same direction.

3. The high pressure cartridge of claim 2, wherein the mounting member has a length less than a length of the lower cartridge body surface and a width less than a width of the lower cartridge body surface.

4. A high-voltage cartridge according to claim 3, wherein the difference between the length of the mounting member and the length of the lower surface of the cartridge body is not less than 5mm, and the difference between the width of the mounting member and the width of the lower surface of the cartridge body is not less than 5 mm.

5. The high voltage cartridge of claim 1, comprising a support member comprising a first support section and a second support section, the second support section protruding from the first support section, the first support section connecting the second support section and the lower surface of the cartridge body, the second support section connecting the first support section and abutting the lower surface of the bottom bracket plate, the second support section supporting and connecting the bottom bracket plate.

6. The high-voltage box according to claim 1, wherein the bottom plate has a connection hole, the electrical component has a fixing hole corresponding to the connection hole, and the high-voltage box further comprises a fixing member, the fixing member penetrates through the connection hole and the fixing hole.

7. The high voltage box as claimed in claim 1, wherein said bottom bracket plate is provided with lightening holes for lightening the weight of said bottom bracket plate.

8. The high voltage box of claim 1, wherein the electrical assembly comprises a switching power supply, and the bottom plate defines heat dissipation holes corresponding to the switching power supply.

9. A high-voltage cartridge according to claim 1, comprising a connector and a front panel, the connector connecting a lower surface of the cartridge body and the front panel.

10. An energy storage device comprising a high voltage cartridge according to any one of claims 1 to 9.

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