Wiring assembly for isolating switch inverter

By designing a wiring anti-detachment structure in the disconnecting switch inverter, and utilizing components such as arc-shaped fixing blocks, fastening rings, and positioning blocks, the problem of wires falling off and wearing under drag is solved, achieving stable fixing and safe connection of the wires.

CN223539982UActive Publication Date: 2025-11-11KUNSHAN SANLIJIA PRECISION ELECTRONIC CO LTD
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Patent Information

Application Number
CN202422930049.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-11
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The wiring structure of existing disconnecting switch inverters is prone to wire wear and detachment under long-term dragging, posing a short circuit risk.

Method used

A wiring anti-detachment structure was designed, including components such as an insulating shell, wiring groove, arc-shaped fixing block, fastening ring and positioning block. The wire is fixed by threaded connection and sliding connection to enhance the wire fastening effect.

Benefits of technology

It effectively prevents wires from falling off and wearing out during dragging, reduces the occurrence of electrical faults, and improves the stability and safety of wiring.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wiring assembly for an isolating switch inverter, which comprises an isolating switch inverter main body and a wiring anti-falling structure, and the wiring anti-falling structure is arranged on the isolating switch inverter main body. According to the utility model, the wiring anti-falling structure is installed at the wiring groove, the arc-shaped fixing blocks on the periphery are adjusted to the outer surface of the lead after the lead is fixed, and the arc-shaped fixing blocks on the periphery are fastened on the lead through the fastening rings, so that the falling or abrasion phenomenon caused by pulling after the lead is fixed can be reduced, and the service life of the lead is prolonged. An arranged fastening ring is connected with a sliding groove through a T-shaped sliding block, the fastening ring is prevented from deviating and falling off, an anti-skid groove is formed in the inner side of an arc-shaped fixing block, the sliding resistance of a wire is increased, the fixed wire can be further fastened, and the anti-falling effect is better; the fixing frame installed in the wiring groove can be conveniently positioned, and the fixing frame is fixed through the screws, so that disassembly and assembly are convenient.
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Description

Technical Field

[0001] This utility model relates to the field of disconnector inverter technology, specifically a wiring assembly for disconnector inverters. Background Technology

[0002] A disconnecting switch inverter is a power electronic device that converts direct current (DC) power into alternating current (AC) power. It is widely used in solar and wind power generation systems. Its main function is to isolate DC and AC power, protect electronic equipment from damage caused by faults or other reasons, and prevent electric shock hazards. The disconnecting switch inverter is connected to external equipment through terminals.

[0003] The prior art, disclosed in patent document CN216565908U, presents the following technical solution: a terminal block for an inverter, comprising a terminal block housing, a connecting block, a mounting slot, a metal contact piece, a fixing slot, a support plate, a limiting block, an electrical connection sleeve, a fixing bolt, a gasket, a connecting plate, and a circular through hole. A connecting block is provided on one side of the terminal block housing, and a mounting slot is provided at the center of one side of the connecting block. A metal contact piece is installed in the mounting slot. In this invention, the terminal block housing is fixed to the housing by the mutual cooperation of the fixing slot and the mounting hole on the housing. Then, the metal contact piece is inserted into the mounting slot, and finally, the fixing bolt is used to fix the metal contact piece to prevent it from falling off.

[0004] The above technical solution connects the wiring to the metal sheet by welding, but no anti-detachment structure is set. Even if it is welded, the wire will be worn down under long-term dragging and eventually fall off, resulting in a short circuit in the wiring circuit. Utility Model Content

[0005] The purpose of this invention is to provide a wiring assembly for an isolating switch inverter to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a wiring assembly for a disconnecting switch inverter, comprising a disconnecting switch inverter body and a wiring anti-detachment structure, wherein the wiring anti-detachment structure is arranged on the disconnecting switch inverter body.

[0007] The anti-detachment structure for wiring includes an insulating shell, with a wiring groove at the front end of the insulating shell. An anti-detachment component is installed at the opening end of the wiring groove. The anti-detachment component includes a fixing frame. Movable plates are movably connected to the grooves in the center of the fixing frame. Arc-shaped fixing blocks are movably connected to the other side of the movable plates. Fastening rings are fitted on the outer walls of the four arc-shaped fixing blocks.

[0008] In the above technical solution, after the wire is fixed, the arc-shaped fixing blocks around the wire are adjusted to the outer surface of the wire, and the arc-shaped fixing blocks around the wire are fastened to the wire by the fastening ring, thereby reducing the phenomenon of falling off or wear caused by pulling after the wire is fixed.

[0009] As a further preferred embodiment of this technical solution, each of the insulating shells is provided with a wiring screw, which secures the wires by means of threads.

[0010] In the above technical solution, the wiring screw fixes the wire by thread, avoiding electrical faults caused by loose wires or poor contact.

[0011] As a further preferred embodiment of this technical solution, positioning grooves are provided on both the left and right inner walls of the wiring groove, and embedding grooves are provided on both the upper and lower sides of the opening end of the insulating shell.

[0012] As a further preferred embodiment of this technical solution, mounting plates are fixedly connected to both the upper and lower sides of the fixing frame, the mounting plates are connected to the embedding grooves by screws, and positioning blocks are fixedly connected to both the left and right sides of the fixing frame, the fixing frame is slidably connected to the positioning grooves.

[0013] In the above technical solution, the fixing bracket is connected to the positioning groove through the positioning block, which facilitates the positioning of the fixing bracket installed in the wiring groove, and the fixing bracket is fixed by screws, which facilitates disassembly and assembly.

[0014] As a further preferred embodiment of this technical solution, the outer surface of the arc-shaped fixing block is provided with a sliding groove in the middle, and the inner side of the arc-shaped fixing block is provided with anti-slip grooves.

[0015] In the above technical solution, an anti-slip groove is provided on the inner side of the arc-shaped fixing block to increase the resistance to the sliding of the wire, which can further tighten the fixed wire and improve the anti-fall-off effect.

[0016] As a further preferred embodiment of this technical solution, T-shaped sliders are fixedly connected to all four sides of the inner side of the fastening ring, the T-shaped sliders are slidably connected to the slide groove, and the inner side of the fastening ring is slidably connected to the outer side of the arc-shaped fixing block.

[0017] In the above technical solution, the fastening ring is connected to the slide groove via a T-shaped slider to prevent the fastening ring from shifting and falling off.

[0018] As a further preferred embodiment of this technical solution, a support base is provided on the inner side of the fixing frame, and the through hole on the inner side of the support base is in contact with the wire.

[0019] This utility model provides a wiring assembly for an isolating switch inverter, which has the following advantages:

[0020] (1) This utility model installs a wire anti-drop structure at the wire slot. After the wire is fixed, the arc-shaped fixing blocks around the wire are adjusted to the outer surface of the wire. The arc-shaped fixing blocks around the wire are then fastened to the wire by the fastening ring. This can reduce the phenomenon of wire falling off or wear caused by pulling after the wire is fixed. The fastening ring is connected to the slide groove by the T-shaped slider to prevent the fastening ring from shifting and falling off. An anti-slip groove is set on the inner side of the arc-shaped fixing block to increase the resistance of the wire sliding, which can further tighten the fixed wire and make the anti-drop effect better.

[0021] (2) The fixing frame provided in this utility model is connected to the positioning groove through the positioning block, which facilitates the positioning of the fixing frame installed in the wiring groove, and the fixing frame is fixed by screws, which facilitates disassembly and assembly. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the wiring anti-detachment structure of this utility model;

[0024] Figure 3 This is a structural diagram showing the disassembled wiring anti-detachment structure of this utility model;

[0025] Figure 4 This utility model Figure 2 Enlarged view of point A in the middle;

[0026] In the diagram: 1. Isolating switch inverter body; 2. Wiring anti-detachment structure; 21. Insulating shell; 22. Wiring screw; 23. Wiring groove; 24. Anti-detachment component; 211. Positioning groove; 212. Embedding groove; 241. Fixing bracket; 2411. Positioning block; 2412. Mounting plate; 2413. Support base; 242. Movable plate; 243. Arc-shaped fixing block; 2431. Slide groove; 2432. Anti-slip groove; 244. Fastening ring; 245. T-shaped slider. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0028] This utility model provides a technical solution: such as Figure 1 As shown in this embodiment, a wiring assembly for a disconnecting switch inverter includes a disconnecting switch inverter body 1 and a wiring anti-detachment structure 2, wherein the wiring anti-detachment structure 2 is arranged on the disconnecting switch inverter body 1.

[0029] like Figure 3 and Figure 4As shown, the wiring anti-detachment structure 2 includes an insulating shell 21. A wiring groove 23 is provided at the front end of the insulating shell 21. A wiring screw 22 is provided at the upper end of the insulating shell 21, and the wiring screw 22 secures the wire through threads. An anti-detachment component 24 is installed at the open end of each wiring groove 23. The anti-detachment component 24 includes a fixing frame 241. Movable plates 242 are movably connected to the grooves in the center of each of the four sides of the fixing frame 241. Arc-shaped fixing blocks 243 are movably connected to the other side of each of the movable plates 242. Fastening rings 244 are fitted onto the outer walls of each of the four arc-shaped fixing blocks 243. A sliding groove 2431 is provided in the center of the outer surface of each arc-shaped fixing block 243. Anti-slip grooves 2432 are arranged on the inner side of each arc-shaped fixing block 243. T-shaped sliders 245 are fixedly connected to the inner circumference of each fastening ring 244. The T-shaped sliders 245 and the sliding grooves 2431 are connected to each other. 31. Sliding connection: The inner side of the fastening ring 244 is slidably connected to the outer side of the arc-shaped fixing block 243. A support seat 2413 is provided on the inner side of the fixing frame 241. The through hole on the inner side of the support seat 2413 contacts the wire. By installing the wire anti-drop structure 24 at the wiring groove 23, after the wire is fixed, the arc-shaped fixing blocks 243 around the wire are adjusted to the outer surface of the wire. The fastening ring 244 is used to fasten the arc-shaped fixing blocks 243 around the wire, thereby reducing the phenomenon of wire falling off or wear caused by pulling after the wire is fixed. The fastening ring 244 is connected to the slide groove 2431 through the T-shaped slider 245 to prevent the fastening ring 244 from shifting and falling off. An anti-slip groove 2432 is provided on the inner side of the arc-shaped fixing block 243 to increase the resistance of the wire sliding, which can further tighten the fixed wire and improve the anti-drop effect.

[0030] like Figure 2 As shown, positioning grooves 211 are provided on the left and right inner walls of the wiring groove 23, and embedding grooves 212 are provided on the upper and lower sides of the opening end of the insulating shell 21. Mounting plates 2412 are fixedly connected to the upper and lower sides of the fixing bracket 241. The mounting plates 2412 are connected to the embedding grooves 212 by screws. Positioning blocks 2411 are fixedly connected to the left and right sides of the fixing bracket 241. The fixing bracket 241 is slidably connected to the positioning grooves 211. The fixing bracket 241 is connected to the positioning grooves 211 by the positioning blocks 2411, which facilitates the positioning of the fixing bracket 241 installed in the wiring groove 23 and fixes the fixing bracket 241 by screws, which facilitates disassembly and assembly.

[0031] This utility model provides a wiring assembly for an isolating switch inverter. The specific working principle is as follows: After the wiring screw 22 fixes the wire through the thread, the wire passes through the wiring groove 23 and leaves a small section of the wire. Then, the arc-shaped fixing blocks 243 around the wire are placed on the wire, and the arc-shaped fixing blocks 243 around the wire are fastened together by the fastening ring 244 by sliding. The anti-slip groove 2432 is set to increase the resistance of the wire sliding and further tighten the fixed wire.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wiring assembly for a disconnecting switch inverter, comprising a disconnecting switch inverter body (1) and a wiring anti-detachment structure (2), characterized in that: The wiring anti-detachment structure (2) is arranged on the main body (1) of the disconnecting switch inverter; The wiring anti-detachment structure (2) includes an insulating shell (21), the front end of which is provided with a wiring groove (23), and an anti-detachment component (24) is installed at the opening end of the wiring groove (23). The anti-detachment component (24) includes a fixing frame (241), and a movable plate (242) is movably connected in the groove in the middle of the four sides of the fixing frame (241). An arc-shaped fixing block (243) is movably connected on the other side of the movable plate (242), and a fastening ring (244) is fitted on the outer wall of each of the four arc-shaped fixing blocks (243).

2. The wiring assembly for an isolating switch inverter according to claim 1, characterized in that: Each insulating shell (21) is provided with a wiring screw (22) at its upper end, and the wiring screw (22) fixes the wire by thread.

3. A wiring assembly for an isolating switch inverter according to claim 1, characterized in that: The wiring groove (23) has positioning grooves (211) on both the left and right inner walls, and the insulating shell (21) has embedding grooves (212) on both the upper and lower sides of the opening end.

4. A wiring assembly for an isolating switch inverter according to claim 1, characterized in that: The mounting plate (2412) is fixedly connected to both the upper and lower sides of the fixing frame (241). The mounting plate (2412) is connected to the embedding groove (212) by screws. The positioning block (2411) is fixedly connected to both the left and right sides of the fixing frame (241). The fixing frame (241) is slidably connected to the positioning groove (211).

5. A wiring assembly for an isolating switch inverter according to claim 1, characterized in that: The outer surface of each arc-shaped fixing block (243) is provided with a sliding groove (2431), and the inner side of each arc-shaped fixing block (243) is provided with anti-slip grooves (2432).

6. A wiring assembly for an isolating switch inverter according to claim 1, characterized in that: T-shaped sliders (245) are fixedly connected to the inner circumference of the fastening ring (244). The T-shaped sliders (245) are slidably connected to the slide groove (2431). The inner side of the fastening ring (244) is slidably connected to the outer side of the arc-shaped fixing block (243).

7. A wiring assembly for an isolating switch inverter according to claim 1, characterized in that: The fixing frame (241) is provided with a support base (2413) on its inner side, and the through hole on the inner side of the support base (2413) is in contact with the wire.

Citation Information

Patent Citations

  • Binding post of inverter

    CN216565908U