CN209249914U - Machine cabinet door plate earthing or grounding means and energy storage cabinet - Google Patents

Abstract

The utility model discloses a cabinet door panel grounding device and an energy storage cabinet, wherein the cabinet door panel grounding device comprises a door panel, a cabinet frame and a door panel grounding connector, the door panel grounding connector is provided with a first threaded hole, the first threaded hole and the door panel The first threaded fastener is threaded, and the door panel grounding connector is connected to the cabinet frame through the second threaded fastener. The door panel, the cabinet frame, the door panel grounding connector, the first threaded fastener, and the second threaded fastener are all is a conductive structure. Since the door panel grounding connector is connected to the cabinet frame and the door panel grounding connector and the door panel are connected by threaded fasteners, the operation is simple, and there is no need to replace operating tools during assembly, which is convenient for overhauling the cabinet door panel grounding device.

Description

Cabinet door panel grounding device and energy storage cabinet

technical field

The utility model relates to the technical field of grounding protection settings, in particular to a grounding device for cabinet door panels. The utility model also relates to an energy storage cabinet comprising the above-mentioned cabinet door panel grounding device.

Background technique

The door panels of the energy storage cabinets used in the energy storage system, the power distribution cabinet and the inverter all need to be grounded for protection. The door panels of traditional cabinets are detachable connection structures. As shown in Figure 1 and Figure 2, the traditional cabinet door panel grounding device includes a door panel 01, a cabinet frame 02, and a grounding copper foil 03 connecting the door panel 01 and the cabinet frame 02, wherein the cabinet frame 02 is connected to the grounding copper bar of the whole machine, Form a grounding system.

The inner side of the door panel 01 is welded with a bolt structure, and the grounding copper foil 03 is provided with mounting holes that can be sleeved on the bolts. The grounding copper foil 03 is connected to the cabinet frame 02 through screws. When assembling, the grounding copper foil 03 and the cabinet frame 02 After being fixed by screws, the ground copper foil 03 is tightened on the bolts by nuts, so as to realize the connection of the ground copper foil 03 and the door panel 01.

Utility model content

The purpose of the utility model is to provide a cabinet door grounding device, which is convenient for maintenance. Another object of the present utility model is to provide an energy storage cabinet including the above-mentioned cabinet door panel grounding device.

In order to achieve the above purpose, the utility model provides a cabinet door panel grounding device, which includes a door panel and a cabinet frame, the door panel and the cabinet frame are conductive structures, and also includes a door panel grounding connector, and the door panel grounding connector is provided with There is a first threaded hole, the first threaded hole and the door panel are threaded through a first threaded fastener, the door panel grounding connector is connected to the cabinet frame through a second threaded fastener, and the door panel grounding connector , Both the first threaded fastener and the second threaded fastener are conductive structures.

Preferably, it also includes a door panel body and a first metal gasket fixedly connected to the door panel body, the door panel body and the first metal gasket are provided with mounting holes corresponding to the first threaded holes .

Preferably, the first metal gasket is a galvanized metal gasket, and the first metal gasket is welded to the door panel.

Preferably, when the door panel is in a closed state, the first metal gasket is located between the door panel body and the door panel grounding connector.

Preferably, the installation hole is a hole structure in which the door panel is concave toward the first metal gasket, and the end of the first threaded hole is located at the end of the installation hole.

Preferably, it also includes a second metal washer fixedly connected to the position of the first threaded hole on the door panel grounding connector, the end of the first threaded hole extends until the second metal washer is away from the One end of the door panel ground connector.

Preferably, when the door panel is in a closed state, the connection position of the door panel grounding connector is located between the first metal gasket and the second metal gasket.

Preferably, the door panel grounding connector is an integrally formed structural member.

Preferably, the door panel grounding connector is a copper plate connector.

An energy storage cabinet, comprising a cabinet body and a cabinet door panel grounding device arranged on the cabinet body, and the cabinet door panel grounding device is the cabinet door panel grounding device described in any one of the above.

In the above technical solution, the cabinet door panel grounding device provided by the utility model includes a door panel, a cabinet frame and a door panel grounding connector. The door panel grounding connector is provided with a first threaded hole, and the first threaded hole and the door panel are fastened through the first thread. The door panel grounding connector is connected to the cabinet frame through the second threaded fastener, and the door panel, the cabinet frame, the door panel grounding connector, the first threaded fastener and the second threaded fastener are all conductive structures. When assembling the cabinet door panel grounding device, first install the door panel grounding connector on the cabinet frame through the second threaded fastener, close the door panel, and connect the door panel to the door panel grounding connector through the first threaded fastener.

It can be seen from the above description that in the cabinet door panel grounding device provided by the present application, the door panel grounding connector is connected to the cabinet frame and the door panel grounding connector and the door panel are connected by threaded fasteners, which is easy to operate and does not need to replace operating tools during assembly. The grounding device of the cabinet door panel is convenient for maintenance.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

FIG. 1 is a schematic structural diagram of a traditional cabinet door panel grounding device;

Fig. 2 is an enlarged view of part A of the cabinet door grounding device described in Fig. 1;

Fig. 3 is an exploded view of the cabinet door panel grounding device provided by the embodiment of the present invention;

Fig. 4 is an assembly drawing of the cabinet door panel grounding device provided by the embodiment of the present invention;

5 is a three-dimensional structural diagram of the first metal gasket provided by the embodiment of the present invention;

Fig. 6 is the front view of the first metal gasket provided by the embodiment of the present invention;

Fig. 7 is a top view of the first metal gasket shown in Fig. 6;

Fig. 8 is a structural schematic diagram of the door panel grounding connector provided by the embodiment of the present invention;

Fig. 9 is a front view of the door panel grounding connector provided by the embodiment of the present invention;

Fig. 10 is a top view of the door panel grounding connector shown in Fig. 9;

FIG. 11 is a side view of the door panel ground connector shown in FIG. 9 .

Among them, in Figure 1-11: 01-door panel, 02-cabinet frame, 03-grounding copper foil;

1-door body, 11-installation hole;

2- cabinet frame;

3-door panel ground connector, 31-door panel connection part, 32-frame connection part, 33-third metal gasket, 34-second metal gasket, 35-first threaded hole, 36-third threaded hole;

4-the first metal gasket, 41-the second threaded hole.

Detailed ways

The core of the utility model is to provide a cabinet door panel grounding device, which is convenient for maintenance. Another core of the present invention is to provide an energy storage cabinet including the above-mentioned cabinet door panel grounding device.

In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Please refer to Fig. 3 to Fig. 11. In a specific implementation mode, the cabinet door panel grounding device provided by the specific embodiment of the utility model includes a door panel, a cabinet frame 2 and a door panel grounding connector 3. The door panel grounding connector 3 is provided with a first A threaded hole 35 , the first threaded hole 35 is threaded with the door panel through a first threaded fastener, and the door panel grounding connector 3 is connected with the cabinet frame 2 through a second threaded fastener. Specifically, the door panel grounding connector 3 includes a door panel connection part 31 and a frame connection part 32, wherein the first threaded hole 35 is located on the door panel connection part 31, wherein the door panel may be provided with a second screw thread corresponding to the first threaded hole 35 The hole 41 is provided with a third threaded hole 36 threaded with the door panel frame on the frame connecting portion 32 .

The door panel, the cabinet frame 2, the door panel grounding connector 3, the first threaded fastener and the second threaded fastener are all conductive structures. Specifically, the door panel, the cabinet frame 2, the door panel grounding connector 3, the first threaded fastener Both the firmware and the second threaded fastener are metal parts. In order to improve electrical conductivity, preferably, the door panel grounding connector 3 is a copper plate connector. Of course, in specific use, a conductive metal layer can be laid on the outside of the insulator to form the above-mentioned conductive structure.

Further, the cabinet door panel grounding device also includes a door panel body 1 and a first metal washer 4 fixedly connected to the door panel body 1, and the door panel body 1 and the first metal washer 4 are provided with holes corresponding to the first threaded holes 35. Mounting hole 11. When the second threaded hole 41 is located on the first metal gasket 4 , only the mounting hole 11 corresponding to the second threaded hole 41 is provided on the door panel body 1 .

In order to prolong the service life of the first metal gasket 4, preferably, the first metal gasket 4 is a galvanized metal gasket, and in order to improve installation stability, preferably, the first metal gasket 4 is welded to the door panel. By changing the traditional door panel welding copper screws to welding galvanized gaskets, there is no obvious difference in the welding process, and the cost is slightly reduced.

Among them, when making the door panel, the pre-processed galvanized gasket is welded to the predetermined position of the door panel, and then sprayed for grounding protection; after the door panel is manufactured, the door panel grounding connector 3 is installed on the cabinet frame through the second threaded fastener 2, the door panel is connected to the door panel grounding connector 3 through the first threaded fastener. Specifically, the first threaded fastener can be a standard M5 screw or a conventional bolt.

When assembling the cabinet door panel grounding device, first install the door panel grounding connector 3 on the cabinet frame 2 through the second threaded fastener, then match the first threaded hole 35 with the second threaded hole 41, and fasten it through the first thread Connect the door panel with the door panel grounding connector 3.

It can be seen from the above description that in the cabinet door panel grounding device provided in the specific embodiment of the present application, the door panel grounding connector 3 can be installed in the cabinet frame 2 by self-tapping screws, and forms a good conductor with the cabinet frame 2; the door panel grounding connector 3 Connect with the first metal gasket 4 of the door panel to form a good conductor; finally, connect the door panel and the door panel grounding connector 3 with standard M5 screws to form a cabinet door panel grounding device, that is, the door panel grounding connector 3 and the cabinet frame 2 and the door panel grounding connector 3 It is connected with the door panel by threaded fasteners, which is convenient and quick to connect and easy to operate. During assembly, there is no need to replace operating tools, and the grounding device of the cabinet door panel is convenient for maintenance.

Specifically, the original installation screw holes of the door panel and the standard M5 screw installation method can be used to not only play the role of assembling and connecting the cabinet door panels, but also play the function of grounding, saving installation procedures and costs. It adopts the way of external screw installation, and the grounding screw can be disassembled directly like other door panel screws during after-sales maintenance, which is convenient for disassembly and does not damage the grounding system at the same time.

This application cancels the traditional structure of grounding copper foil, saving manufacturing and assembling costs.

Preferably, the door panel grounding connector 3 can be common to the connectors of the side door panel and the rear door panel, which is conducive to standardized installation.

Preferably, when the door panel is in a closed state, the first metal gasket 4 is located between the door panel and the door panel grounding connector 3 . When the door panel is in the closed state, foreign substances are prevented from damaging the first metal gasket 4 .

As shown in Figure 4, in order to avoid damage to the first threaded fastener by external substances, preferably, the mounting hole 11 is provided with a hole body structure concave to the first metal gasket 4 on the outer surface of the door panel, and the first threaded hole 35 The end is located at the end of the mounting hole 11 .

Further, the cabinet door grounding device also includes a second metal washer 34 fixedly connected to the position of the first threaded hole 35 on the door plate grounding connector 3, and the end of the first threaded hole 35 extends to the point where the second metal washer 34 is away from One end of the door panel ground connector 3. Yes, preferably, the second metal washer 34 is a galvanized washer, and the second metal washer 34 is welded on the door panel grounding connector 3 .

In order to prevent foreign substances from interfering with the second metal gasket 34 , preferably, when the door panel is in a closed state, the connection position of the door panel grounding connector 3 is located between the first metal gasket 4 and the second metal gasket 34 . Further, a third metal washer 33 corresponding to the third threaded hole 36 is provided on the door panel grounding connector 3 , and the end of the third threaded hole 36 extends to the third metal washer 33 .

In order to improve assembly efficiency, preferably, the door panel grounding connector 3 is integrally formed as a structural member. Specifically, the door panel grounding connector 3 may be integrally formed by die-casting.

An energy storage cabinet provided by this application includes a cabinet body and a cabinet door panel grounding device arranged on the cabinet body, wherein the cabinet door panel grounding device is any one of the above-mentioned cabinet door panel grounding devices, and the specific structure of the cabinet door panel grounding device is described above , the energy storage cabinet provided by the present application includes the above-mentioned grounding device for the cabinet door panel, which also has the above-mentioned technical effect, and will not be repeated here.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. a kind of machine cabinet door plate earthing or grounding means, including door-plate and cabinet framework (2), the door-plate and the cabinet framework (2) are equal For conductive structure, which is characterized in that further include door-plate ground connections (3), the door-plate ground connections (3) are equipped with first Threaded hole (35), first threaded hole (35) and the door-plate are threadedly coupled by the first threaded fastener, and the door-plate connects Earth connection (3) is connect by the second threaded fastener with the cabinet framework (2), the door-plate ground connections (3), described First threaded fastener and second threaded fastener are conductive structure.

2. machine cabinet door plate earthing or grounding means according to claim 1, which is characterized in that further include door-plate body (1) and fixation The first metal gasket (4) being connected on the door-plate body (1), the door-plate body (1) and first metal gasket (4) On be equipped with mounting hole (11) corresponding with the first threaded hole (35).

3. machine cabinet door plate earthing or grounding means according to claim 2, which is characterized in that first metal gasket (4) is plating Zinc metal gasket, first metal gasket (4) and the door-plate weld.

4. machine cabinet door plate earthing or grounding means according to claim 2, which is characterized in that when the door-plate is in close state When, first metal gasket (4) is between the door-plate body (1) and the door-plate ground connections (3).

5. machine cabinet door plate earthing or grounding means according to claim 4, which is characterized in that the mounting hole (11) is the door-plate The hole body structure of first metal gasket (4) is concaved towards, the end of first threaded hole (35) is located at the mounting hole (11) End.

6. machine cabinet door plate earthing or grounding means according to claim 2, which is characterized in that further include being fixedly connected on the door-plate The second metal gasket (34) of the first threaded hole (35) position on ground connections (3), first threaded hole (35) End extend to second metal gasket (34) far from the door-plate ground connections (3) one end.

7. machine cabinet door plate earthing or grounding means according to claim 6, which is characterized in that when the door-plate is in close state When, door-plate ground connections (3) link position is located at first metal gasket (4) and second metal gasket (34) Between.

8. machine cabinet door plate earthing or grounding means according to claim 1, which is characterized in that the door-plate ground connections (3) are Integrated formed structure part.

9. machine cabinet door plate earthing or grounding means according to claim 1 to 8, which is characterized in that the door-plate ground connection connects Fitting (3) is copper sheet connector.

10. a kind of energy storage cabinet, including cabinet body and the machine cabinet door plate earthing or grounding means being arranged on the cabinet body, which is characterized in that institute Stating machine cabinet door plate earthing or grounding means is machine cabinet door plate earthing or grounding means of any of claims 1-9.