Bus clamp of low-voltage power distribution cabinet and assembly thereof
Through the independent structural design of the sheathing of the busbar clip of the low-voltage distribution cabinet and the use of aviation aluminum 5754-H111 and PBT materials, the early aging problem caused by environmental factors is solved, and the effect of convenience of replacement and cost reduction is achieved.
Patent Information
- Application Number
- CN202420654656.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The low-voltage distribution cabinet busbar clamps have reduced mechanical and electrical strength due to factors such as high temperature, humidity, strong magnetism, and strong arcing, and shortened their service life. The existing technology needs to be replaced, resulting in large economic losses and high maintenance costs.
The independent structural design of the busbar clamp sheath is designed, and the installation beam and screw assembly limit assembly allows individual replacement of damaged parts to reduce maintenance costs. Aviation aluminum 5754-H111 and PBT materials are used to prevent magnetism, heat resistance, insulation and flame retardant.
It realizes rapid replacement of busbar clips and reduces maintenance costs, extends equipment life, and avoids early aging problems caused by high temperature, high pressure, strong magnetism and humidity.
Smart Images
Figure CN222168953U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of low-voltage power distribution, in particular to a busbar clamp of a low-voltage power distribution cabinet and a component thereof. Background Art
[0002] The busbar clamp of low-voltage distribution cabinet is a common electrical accessory for low-voltage complete switchgear. With the complication of the power environment of the power system, the busbar clamp of low-voltage distribution cabinet is exposed to the problem that the busbar clamp of low-voltage distribution cabinet ages quickly, the mechanical and electrical strength decreases, and the service life is shortened due to high temperature, humidity, strong magnetism, strong arc, and leakage in the environment. The existing busbar clamp of low-voltage distribution cabinet is often made of a whole piece of insulating material. If the mechanical and electrical strength of the busbar clamp decreases, it can only be replaced as a whole set, which will cause great economic losses. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a busbar clamp of a low-voltage power distribution cabinet and its components, which are easy to replace and can quickly replace the damaged part when the busbar clamp is partially damaged, thereby avoiding waste and reducing maintenance costs.
[0004] One of the technical solutions provided by the utility model is a busbar clamp of a low-voltage distribution cabinet, including a sheath and a mounting beam, wherein a plurality of grooves for mounting the sheath are arranged on the mounting beam, and a plurality of sheaths are arranged in parallel and sequentially mounted in the grooves of the mounting beam, wherein two side edges of the sheath are clamped on the outer sides of two side edges of the mounting beam, and a recess for mounting the busbar is provided on the top surface of the sheath.
[0005] The utility model discloses a busbar clamp for a low-voltage power distribution cabinet, wherein the cross section of the mounting beam is a U-shaped structure with a horizontal bottom surface, and the cross section of the sheath is an inverted U-shaped structure with a horizontal top surface.
[0006] The utility model discloses a busbar clamp for a low-voltage power distribution cabinet, wherein the grooves are arranged on two side edges of a mounting beam, the grooves corresponding to the front and rear positions form a group, and a sheath can be installed.
[0007] The utility model discloses a busbar clamp for a low-voltage power distribution cabinet, wherein a protrusion extending inwards is arranged on the top surface of the sheath, the position of the protrusion corresponds to a recess, and the protrusion is used for installing the recess.
[0008] The utility model discloses a busbar clamp for a low-voltage power distribution cabinet, wherein a plurality of through holes for installing screw rods are processed on the bottom surface of the installation beam along the length direction.
[0009] The utility model discloses a busbar clamp for a low-voltage power distribution cabinet, wherein the mounting beam is made of aviation aluminum 5754-H111 material, and the sheath is made of PBT material.
[0010] Another technical solution provided by the utility model is a busbar clamp assembly of a low-voltage distribution cabinet, comprising two busbar clamps, wherein a bracket is arranged on the outer side of one of the busbar clamps, a screw rod passes through the through holes on the bracket and the busbar clamp, and is locked and fixed by installing insulating gaskets and nuts at both ends of the screw rod.
[0011] The utility model discloses a busbar clamp component of a low-voltage power distribution cabinet, wherein a plurality of mounting holes are arranged on the bracket, and bowl-shaped washers are arranged in the mounting holes.
[0012] The utility model is different from the prior art in that the utility model adopts an independent structure design of the busbar clamp sheath, which can replace some busbar clamps separately, effectively reducing maintenance costs. The busbar clamp and its components are assembled by installing beams and screw rod components, and the assembly process is simple and the replacement is convenient.
[0013] The mounting beam in the busbar clamp is made of aviation aluminum 5754-H111 material, and the sheath is made of PBT material, both of which are anti-magnetic, heat-resistant, insulating and flame-retardant materials. They can prevent the busbar clamp of the low-voltage distribution cabinet from leakage and tracking, eddy current resistance and arc resistance during use, and can effectively solve the problem of shortened life caused by high temperature, high pressure, strong magnetism and humidity.
[0014] The busbar clamp of a low-voltage power distribution cabinet and its components of the utility model are further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a structural schematic diagram of a busbar clamp of a low-voltage power distribution cabinet and its components at one angle according to the utility model;
[0016] Figure 2 This is a structural schematic diagram of a busbar clamp of a low-voltage power distribution cabinet and its components from another angle of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of a busbar clamp of a low-voltage power distribution cabinet and a busbar clamp in its assembly according to the utility model;
[0018] Figure 4 This is an exploded diagram of a busbar clamp and its components of a low-voltage power distribution cabinet of the utility model;
[0019] The markings in the figure are as follows: 1-busbar; 2-nut; 3-insulating sleeve; 4-screw; 5-sheath; 6-bracket; 7-mounting beam; 8-bowl-shaped washer. DETAILED DESCRIPTION
[0020] The following embodiments are used to illustrate the present invention but are not intended to limit the scope of the present invention.
[0021] like Figure 1-Figure 4 As shown, a busbar clamp of a low-voltage power distribution cabinet of the utility model comprises a sheath 5 and a mounting beam 7 , and the sheath 5 is mounted on the mounting beam 7 .
[0022] The cross section of the mounting beam 7 is a U-shaped structure with a horizontal bottom surface, and a plurality of through holes for mounting the screw rod 4 are processed on the bottom surface along the length direction. A plurality of mounting positions for the sheath 5 are arranged above the mounting beam 7, specifically, a plurality of grooves with the same structure for mounting the sheath 5. The grooves are provided on the two sides of the mounting beam 7, and the grooves corresponding to the front and rear positions are a group, which can mount one sheath 5. The mounting beam 7 is made of aviation aluminum 5754-H111 material.
[0023] There are multiple sheaths 5 arranged in parallel, and they are made of PBT material. In this embodiment, there are three sheaths 5, and there are three corresponding grooves on the mounting beam 7. The cross section of the sheath 5 is an inverted U-shaped structure with a horizontal top surface, and the two side edges of the sheath 5 can be clamped on the outside of the two side edges of the mounting beam 7. The top surface of the sheath 5 is provided with a protrusion extending inward, which is used for clamping and installing with the groove on the mounting beam 7; the outer side surface of the protrusion corresponds to the concave part for installing the busbar 1.
[0024] like Figure 1 , Figure 2 and Figure 4 As shown, the busbar clamp can be combined with other components to form a busbar clamp assembly of a low-voltage distribution cabinet, including two busbar clamps, both of which clamp the busbar 1. A bracket 6 is provided on the outside of one of the busbar clamps, and the bracket 6 is fixedly connected to the busbar clamp by a screw 4. The screw 4 passes through the through holes on the bracket 6 and the busbar clamp, and is locked and fixed by installing insulating gaskets 3 and nuts 2 at both ends of the screw 4, so that the bracket 6 and the busbar clamp form a whole. The insulating gasket 3 is made of PC material. A plurality of mounting holes are provided on the bracket 6, and a bowl-shaped gasket 8 is provided in the mounting hole. The bracket 6, the screw 4, the nut 2 and the bowl-shaped gasket 8 are all made of 304 stainless steel.
[0025] The utility model discloses a busbar clamp of a low-voltage power distribution cabinet and its components. When installing, a sheath 5 and a mounting beam 7 are assembled into a single busbar clamp, and two busbar clamps are symmetrically installed on both sides of a busbar 1 through a screw rod 4, a nut 2 and an insulating washer 3.
[0026] The utility model provides a busbar clamp and its components for a low-voltage power distribution cabinet, which adopts an independent structural design of a busbar clamp sheath 5, and can replace some busbar clamps separately, effectively reducing maintenance costs. The busbar clamp and its components are assembled by installing beams 7 and screw rods 4, and the assembly process is simple and the replacement is convenient.
[0027] The mounting beam 7 in the busbar clamp is made of aviation aluminum 5754-H111 material, and the sheath 5 is made of PBT material, both of which are anti-magnetic, heat-resistant, insulating and flame-retardant materials. They can prevent the busbar clamp of the low-voltage distribution cabinet from leakage and tracking, eddy current resistance and arc resistance during use, and can effectively solve the problem of shortened service life caused by high temperature, high pressure, strong magnetism and humidity.
[0028] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.
Claims
1. A busbar clamp for a low-voltage distribution cabinet, characterized in that: It includes a sheath and a mounting beam. The mounting beam is provided with a plurality of grooves for installing the sheath. A plurality of sheaths are arranged in parallel and are installed in the grooves of the mounting beam in sequence. The two side edges of the sheath are clamped on the outside of the two side edges of the mounting beam. The top surface of the sheath is provided with a recess for installing the busbar.
2. The busbar clamp of a low-voltage power distribution cabinet according to claim 1, characterized in that: The cross section of the mounting beam is a U-shaped structure with a horizontal bottom surface, and the cross section of the sheath is an inverted U-shaped structure with a horizontal top surface.
3. The busbar clamp of a low-voltage power distribution cabinet according to claim 1, characterized in that: The grooves are arranged on two side edges of the mounting beam, and the grooves corresponding to the front and rear positions form a group, which can be used to mount a sheath.
4. The busbar clamp of a low-voltage power distribution cabinet according to claim 1, characterized in that: The top surface of the sheath is provided with a protrusion extending inwardly, the position of the protrusion corresponds to the position of the recess, and the protrusion is used for installing the groove.
5. The busbar clamp of a low-voltage power distribution cabinet according to claim 1, characterized in that: A plurality of through holes for installing screw rods are processed on the bottom surface of the installation beam along the length direction.
6. The busbar clamp of a low-voltage power distribution cabinet according to claim 1, characterized in that: The mounting beam is made of aviation aluminum 5754-H111 material, and the sheath is made of PBT material.
7. A busbar clamp assembly for a low-voltage power distribution cabinet, characterized in that: It comprises two busbar clamps as described in any one of claims 1 to 6, wherein a bracket is arranged on the outer side of one of the busbar clamps, a screw passes through the through holes on the bracket and the busbar clamp, and is locked and fixed by installing insulating gaskets and nuts at both ends of the screw.
8. The busbar clamp assembly of a low-voltage power distribution cabinet according to claim 7, characterized in that: The bracket is provided with a plurality of mounting holes, and bowl-shaped washers are arranged in the mounting holes.