Grounding assembly of power distribution cabinet
By using spring-loaded connecting plates and grounding cables longer than the springs in the distribution cabinet, the problems of poor contact and easy damage in the grounding structure were solved, achieving grounding reliability and stability and ensuring the safe operation of the distribution cabinet.
Patent Information
- Application Number
- CN202423098472.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-16
AI Technical Summary
The existing grounding structure of the distribution cabinet has problems with poor contact and unreliability, especially during the opening and closing of the cabinet door, which is prone to damage, affecting safety and aesthetics.
A spring is used to connect the cabinet door connecting plate and the cabinet body connecting plate, and a grounding cable with a length greater than the spring is installed in the spring. The grounding cable has a spiral part and a straight part. The spiral part increases the elasticity, and the straight part is welded to the cabinet door and the cabinet body connecting plate to ensure that the grounding cable remains connected during the opening and closing process.
This improves the reliability of grounding, avoids damage to grounding cables due to stretching or compression, and prevents poor contact, thus ensuring the stability and safety of grounding.
Smart Images

Figure CN223583487U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power distribution cabinet technical field, concretely relates to a power distribution cabinet grounding assembly. BACKGROUND
[0002] The power distribution cabinet grounding is very important safety measure, due to the hinge between the cabinet door and the cabinet body has the possibility of poor contact, in order to make the cabinet door effective grounding, the cabinet body and the cabinet door are generally provided with mounting hole, through the mounting hole of the cabinet door and the cabinet body connecting ground wire, then the cabinet body is connected with ground through grounding electrode, the ground wire is located in the inside of the cabinet door, in order to adapt the space required by the opening and closing of the cabinet door, the wire needs a certain length, and keeps slack state, so that the ground wire is easily damaged in the process of opening and closing the cabinet door, the process of maintaining and installing the electrical components in the cabinet body, the cabinet door closing and being extruded, therefore, this grounding connection mode is unreliable for the grounding treatment of the cabinet door, and also affects the appearance and neatness of the cabinet body.
[0003] Later, some improved ways also appeared, such as the utility model patent with the authorization announcement number CN221487086U, discloses a power distribution cabinet safety grounding structure, through the setting cabinet door grounding assembly, it is convenient to connect between the cabinet door and high-voltage power distribution cabinet, realizes the grounding of the cabinet door, the setting movable rod and fixed rod, when the cabinet door is opened and closed, the movable rod moves along the guide groove inside the fixed rod, avoids the cabinet door grounding assembly being clamped when closing the cabinet door, improves the service life and safety. However, this way, since the movable rod and the fixed rod are both arc-shaped, and the movable rod and the fixed rod are connected in a sleeved manner, there is still the possibility of poor contact, at the same time, the grounding assembly is arranged outside the power distribution cabinet, which is easily affected by the external environment, and there is also the possibility of poor contact. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a power distribution cabinet grounding assembly, solving the above problems existing in the current power distribution cabinet grounding structure.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A power distribution cabinet grounding assembly, comprising a spring, a cabinet door connecting plate, a cabinet body connecting plate and a grounding cable, the cabinet door connecting plate is arranged at one end of the spring, one end of the spring is connected to the inner wall of the cabinet door through the cabinet door connecting plate, the cabinet body connecting plate is arranged at the other end of the spring, the other end of the spring is connected to the cabinet body through the cabinet body connecting plate, the grounding cable is arranged in the spring, wherein one end of the grounding cable is connected with the cabinet door connecting plate, the other end is connected with the cabinet body connecting plate, and the length of the grounding cable is greater than the length of the spring.
[0007] Further, the grounding cable has a spiral part and a straight part, the spiral part is located at the middle part of the grounding cable, and the straight part is located at both ends of the grounding cable, one of the straight parts is welded with the cabinet door connecting plate, and the other straight part is welded with the cabinet body connecting plate, and the spiral part is used to make the length of the grounding cable greater than the length of the spring.
[0008] Further, the end of the straight part is provided with a welding column, and the straight part is welded with the cabinet body connecting plate and the cabinet door connecting plate through the welding column.
[0009] Further, the cabinet door connecting plate is provided with cabinet door connecting holes used for being connected with the cabinet door, bolts are used to pass through the cabinet door connecting holes to fix the cabinet door connecting plate to the inner wall of the cabinet door, and the cabinet body connecting plate is provided with cabinet body connecting holes used for being connected with the cabinet body, and bolts are used to pass through the cabinet body connecting holes to fix the cabinet body connecting plate to the cabinet body.
[0010] Further, the cabinet door connecting plate is in a strip shape, the cabinet door connecting holes are long holes, and the cabinet door connecting holes are provided with two, the spring is connected to the middle position of the cabinet door connecting plate, and the two cabinet door connecting holes are located at the two sides of the spring.
[0011] Further, the cabinet body connecting plate is in a strip shape, the cabinet body connecting holes are long holes, and the cabinet body connecting holes are provided with two, the spring is connected to the middle position of the cabinet body connecting plate, and the two cabinet body connecting holes are located at the two sides of the spring.
[0012] The utility model discloses the beneficial effect of:
[0013] The utility model discloses the grounding assembly of switch board, through spring connection cabinet door connecting plate and cabinet body connecting plate, and setting up the length greater than spring's grounding cable in spring, has guaranteed that the grounding cable has kept the connection state in the process of opening and closing of cabinet door, avoided the problem of damage in traditional grounding mode because of grounding cable stretch or compression, thereby improved the reliability of grounding, and the grounding cable is connected directly with cabinet door and cabinet body, avoided the problem of bad contact. ACCURACY
[0014] Fig. 1 It is the structure schematic diagram of the utility model switch board's grounding assembly use scene;
[0015] Fig. 2 It is the structure schematic diagram (stereogram) of the utility model switch board's grounding assembly;
[0016] Fig. 3 It is the structure schematic diagram (explosion diagram) of the utility model switch board's grounding assembly.
[0017] Corresponding names of each mark in the figure:
[0018] 1. spring,
[0019] 2. cabinet door connecting plate,
[0020] 21. cabinet door connecting hole,
[0021] 3. cabinet body connecting plate,
[0022] 31. cabinet body connecting hole,
[0023] 4. grounding cable,
[0024] 41. spiral part,
[0025] 42. straight part,
[0026] 421. welding column,
[0027] 5. cabinet door,
[0028] 6. cabinet body. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the utility model.
[0030] As Figs. 1 to 3 shown, a grounding assembly of a power distribution cabinet includes a spring 1, a cabinet door connecting plate 2, a cabinet body connecting plate 3 and a grounding cable 4. The cabinet door connecting plate 2 is arranged at one end of the spring 1, and one end of the spring 1 is connected to the inner wall of the cabinet door 5 through the cabinet door connecting plate 2. The cabinet body connecting plate 3 is arranged at the other end of the spring 1, and the other end of the spring 1 is connected in the cabinet body 6 through the cabinet body connecting plate 3. The grounding cable 4 is arranged in the spring 1, wherein one end of the grounding cable 4 is connected with the cabinet door connecting plate 2, and the other end is connected with the cabinet body connecting plate 3. In particular, the length of the grounding cable 4 is greater than the length of the spring 1, through the above arrangement, the spring plays a protective role for the grounding cable, avoiding the grounding cable being damaged by being clamped between the cabinet door and the cabinet body during the process of opening and closing the switch cabinet, and at the same time, the grounding cable 4 always maintains a connected state during the process of opening and closing the cabinet door, and will not be damaged due to stretching or compression.
[0031] Further, as Fig. 2 and Fig. 3As shown, the grounding cable 4 has a spiral part 41 and a straight part 42. The spiral part 41 is located in the middle of the grounding cable 4, so that the grounding cable 4 can present a certain elasticity in the spring 1, and adapt to the expansion and contraction of the spring 1. The straight part 42 is located at both ends of the grounding cable 4, one of which is welded with the cabinet door connecting plate 2, and the other of which is welded with the cabinet connecting plate 3. Through the design of the spiral part 41, the length of the grounding cable 4 is greater than the length of the spring 1, which ensures that the grounding cable 4 will not be excessively stretched or compressed when the spring 1 expands and contracts.
[0032] Specifically, as shown in the drawings, Fig. 3 The end of the straight part 42 is provided with a welding column 421, and the straight part 42 is welded with the cabinet connecting plate 3 and the cabinet door connecting plate 2 through the welding column 421, which ensures the firmness and conductivity of the connection.
[0033] Further, as shown in the drawings, Fig. 2 The cabinet door connecting plate 2 is provided with a cabinet door connecting hole 21 for connecting with the cabinet door. By passing the bolt (not shown) through the cabinet door connecting hole 21, the cabinet door connecting plate 2 can be fixed on the inner wall of the cabinet door. Similarly, the cabinet connecting plate 3 is provided with a cabinet connecting hole 31 for connecting with the cabinet. By passing the bolt (not shown) through the cabinet connecting hole 31, the cabinet connecting plate 3 can be fixed on the cabinet. This connection method is simple and convenient, and can ensure the stable installation of the grounding assembly.
[0034] As shown in the drawings, Fig. 3 The cabinet door connecting plate 2 is long strip-shaped, the cabinet door connecting hole 21 is a long hole, and the cabinet door connecting hole 21 is provided with two. The spring 1 is connected at the middle position of the cabinet door connecting plate 2, and the two cabinet door connecting holes 21 are located on both sides of the spring 1. This design makes the cabinet door connecting plate 2 adapt to the different opening positions of the grounding wire mounting holes on the cabinet door and the cabinet of different power distribution cabinets, and as far as possible to adapt to more power distribution cabinets.
[0035] Similarly, the cabinet connecting plate 3 is also long strip-shaped, the cabinet connecting hole 31 is a long hole, and the cabinet connecting hole 31 is also provided with two. The spring 1 is connected at the middle position of the cabinet connecting plate 3, and the two cabinet connecting holes 31 are located on both sides of the spring 1. This design also makes the cabinet connecting plate 3 more uniform when stressed, further improving the stability and reliability of the grounding assembly.
[0036] In summary, the grounding assembly of the power distribution cabinet of the utility model realizes the reliable grounding connection between the cabinet door and the cabinet through the ingenious design of the spring, the cabinet door connecting plate, the cabinet connecting plate and the grounding cable. The grounding assembly has the advantages of simple structure, convenient installation, and can adapt to the opening and closing action of the cabinet door, avoiding the problem that the grounding cable is easy to be damaged in the traditional grounding mode. At the same time, the grounding assembly also has good conductivity and stability, which ensures the safe operation of the power distribution cabinet.
[0037] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.
Claims
1. An earthing assembly of an electrical switchgear, characterized by: The application relates to a spring, a cabinet door connecting plate, a cabinet body connecting plate and a grounding cable, wherein one end of the spring is connected to the inner wall of a cabinet door through the cabinet door connecting plate, the other end of the spring is connected to the cabinet body through the cabinet body connecting plate, and the grounding cable is arranged in the spring, wherein one end of the grounding cable is connected to the cabinet door connecting plate, the other end of the grounding cable is connected to the cabinet body connecting plate, and the length of the grounding cable is greater than the length of the spring.
2. The grounding assembly of the electrical power cabinet of claim 1, wherein: The grounding cable has a spiral part and a straight part, the spiral part is arranged at the middle position of the grounding cable, and the straight parts are arranged at the two ends of the grounding cable, one of the straight parts is welded to the cabinet door connecting plate, the other straight part is welded to the cabinet body connecting plate, and the length of the grounding cable is greater than the length of the spring through the spiral part.
3. The grounding assembly of the electrical power cabinet of claim 2, wherein: The end of the straight part is provided with a welding column, the straight part is welded to the cabinet body connecting plate and the cabinet door connecting plate through the welding column.
4. The grounding assembly of the electrical power cabinet of claim 3, wherein: The cabinet door connecting plate is provided with cabinet door connecting holes for connecting the cabinet door, bolts are arranged through the cabinet door connecting holes to fix the cabinet door connecting plate to the inner wall of the cabinet door, the cabinet body connecting plate is provided with cabinet body connecting holes for connecting the cabinet body, and bolts are arranged through the cabinet body connecting holes to fix the cabinet body connecting plate to the cabinet body.
5. The grounding assembly of the electrical power cabinet of claim 4, wherein: The cabinet door connecting plate is in the shape of a long strip, the cabinet door connecting holes are long holes, two cabinet door connecting holes are arranged, the spring is connected to the middle position of the cabinet door connecting plate, and the two cabinet door connecting holes are arranged at the two sides of the spring.
6. The grounding assembly of the electrical switchgear of claim 5, wherein: The cabinet body connecting plate is in the shape of a long strip, the cabinet body connecting holes are long holes, two cabinet body connecting holes are arranged, the spring is connected to the middle position of the cabinet body connecting plate, and the two cabinet body connecting holes are arranged at the two sides of the spring.
Citation Information
Patent Citations
Safety grounding structure of high-voltage power distribution cabinet
CN221487086U