Low-voltage drawer outgoing line separation insulator
By using a partition and guide slot insertion structure inside the rear-outlet protective cover in the low-voltage drawer-type switchgear, the problems of complex on-site installation and insufficient air clearance are solved, achieving convenient installation and improved safety performance.
Patent Information
- Application Number
- CN202423114604.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing low-voltage drawer-type switchgear is complicated to install cables on site, and the narrow partition space leads to insufficient air clearance, making it easy for fault arcs to spread to adjacent units, resulting in inadequate safety performance.
Multiple copper busbars are separated by a partition inside the rear cable exit cover, and easy installation and disassembly are achieved through the insertion of guide slots and guide strips. The rear cable exit cover is integrally molded from SMC and ABS flame-retardant materials to ensure isolation effect.
It improves installation efficiency, ensures adequate air clearance, effectively prevents fault arcing from affecting other functional units, and enhances safety performance.
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Figure CN223567112U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to low voltage switchgear technical field, concretely is a low voltage drawer outgoing line separation insulation piece. BACKGROUND
[0002] Low voltage drawer cabinet outgoing line separation insulation device is used for separating the outgoing line place of low voltage drawer cabinet, and now all the major electric power companies are popularizing low voltage drawer cabinet, and in the prior art, the drawer outgoing line copper bar is usually separated from components by a metal plate, which has a protective effect, and is safer than general fixed separation cabinets, but the device still has some problems and defects, when installing user cables on site, the metal plate that plays a separating role needs to be removed, the cable is connected to the outgoing line copper bar pile head by passing through the cable sheath, and finally the metal plate is installed. UTILITY MODEL CONTENTS
[0003] The utility model discloses a low voltage drawer outgoing line separation insulation piece, a plurality of copper bars are separated by the baffle in the rear outgoing line protection cover, and the rear outgoing line protection cover is inserted and installed, so that the installation efficiency is improved, the busbar system is isolated by the baffle, the functional units are isolated from each other, the functional units and cable joints are isolated from each other, the cable joints are isolated from each other, the air clearance is guaranteed, the functional units are prevented from being affected by the adjacent other functional units when a fault arc occurs, and the safety performance is effectively improved.
[0004] The utility model provides the following technical scheme: a low voltage drawer outgoing line separation insulation piece, including mounting plate, the mounting plate is fixed with rear outgoing line box through self -tapping screw, the rear outgoing line box is stretched out and has a plurality of outgoing line copper bars in it, the rear outgoing line box is connected with rear outgoing line protection cover, the rear outgoing line protection cover covers the rear outgoing line box, the rear outgoing line protection cover includes the cover and the multiple baffle of the cover inner wall forming, the baffle separates the multiple outgoing line copper bars.
[0005] According to the technical scheme, the side of the rear outgoing line box is provided with a guide slot, the inner wall of the rear outgoing line protection cover is formed with a guide strip, the guide strip is inserted into the guide slot, the connection between the rear outgoing line box and the rear outgoing line protection cover is completed through the insertion of the guide slot and the guide strip, and the rear outgoing line protection cover is convenient to install or disassemble.
[0006] In an embodiment, the guide slot is formed on the upper surface of the rear outlet box, the guide strip is formed on the top wall of the rear outlet protection cover, the guide slot and the guide strip form a T shape, the rear outlet protection cover is limited by the T-shaped guide slot and the guide strip, and the rear outlet protection cover can only move forward and backward.
[0007] In another embodiment, the guide slot is formed on the left and right side surfaces of the rear outlet box, and the guide strip is formed on the side wall of the rear outlet protection cover.
[0008] According to the above technical scheme, the rear outlet box is made of SMC material and is integrally formed by a mold.
[0009] According to the above technical scheme, the rear outlet protection cover is made of ABS flame-retardant material and is integrally formed by a mold.
[0010] Compared with the prior art, the utility model has the beneficial effects that: the plurality of copper bars are separated by the partition plate in the rear outlet protection cover, the busbar system is isolated from the functional units, the functional units are isolated from each other, the functional units are isolated from the cable joints, the cable joints are isolated from each other, the air clearance is ensured, the failure arc of a functional unit does not spread to the adjacent functional units, and the safety performance is effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] The accompanying drawings are included to provide a further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:
[0012] Figure 1 It is the perspective view of the overall structure of the utility model;
[0013] Figure 2 It is the front view of the overall structure of the utility model;
[0014] Figure 3 It is the front view of the structure of another embodiment of the utility model;
[0015] In the drawings: 1, mounting plate;2, rear outlet box;21, guide slot;3, C-phase outlet copper bar;4, B-phase outlet copper bar;5, A-phase outlet copper bar;6, N-phase outlet copper bar;7, rear outlet protection cover;71, partition plate;72, guide strip;73, cover;8, self-tapping screw. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0017] Embodiment one
[0018] Please refer to Figure 1 The utility model provides technical scheme: a low pressure drawer out wire separation insulation piece, including mounting plate 1, the mounting plate 1 is fixed with rear out wire box 2 through self tapping screw 8, and the rear out wire box 2 is stretched out with multiple out wire copper bars in it, including A phase out wire copper bar 5, B phase out wire copper bar 4, C phase out wire copper bar 3 and N phase out wire copper bar 6, and the rear out wire box 2 is connected with rear out wire protection cover 7, the rear out wire protection cover 7 is covered on the rear out wire box 2, and the rear out wire protection cover 7 includes outer cover 73 and the multiple baffle 71 shaped on the inner wall of outer cover 73, the baffle 71 separates A phase out wire copper bar 5, B phase out wire copper bar 4, C phase out wire copper bar 3 and N phase out wire copper bar 6, and the baffle 71 separates the busbar system from the functional unit, and the baffle 71 separates the functional units from each other, and the baffle 71 separates the functional unit from the cable contact point, and the baffle 71 separates the cable contact points from each other, which guarantees the air clearance, effectively prevents the arc of the failure of certain functional unit from affecting the adjacent other functional units, and effectively improves the safety performance.
[0019] The side surface of the rear out wire box 2 is provided with a guide slot 21, and the inner wall of the rear out wire protection cover 7 is formed with a guide strip 72, which is inserted into the guide slot 21. Through the insertion of the guide strip 72 and the guide slot 21, the connection between the rear out wire protection cover 7 and the rear out wire box 2 is completed, the installation or dismounting efficiency of the rear out wire protection cover 7 is improved, and the dismounting of the rear out wire protection cover 7 can expand the space of the drawer out wire side, facilitating wiring.
[0020] As shown in Figure 2 The guide slot 21 is arranged on the upper surface of the rear out wire box 2, and the guide strip 72 is formed on the top wall of the rear out wire protection cover 7. The guide slot 21 and the guide strip 72 are in T-shaped, and the left and right and up and down directions of the rear out wire protection cover 7 are limited through the T-shaped guide slot 21 and the guide strip 72, so as to avoid the movement of the rear out wire protection cover 7.
[0021] The rear out wire box 2 is made of SMC material and is integrally formed by a mold. The surface is smooth and clean without defects such as shrinkage hole, bubble and crack. The working frequency voltage is 4200V, and no breakdown flashover occurs within 1min.
[0022] The rear cable guard 7 is made of ABS flame-retardant material and is molded in one piece. The wall thickness is 3mm and the surface is smooth and free of defects such as shrinkage cavities, bubbles, and cracks.
[0023] Example 2
[0024] like Figure 3 As shown, in this embodiment, the other structures are the same as in Embodiment 1. The difference is that the guide slot 21 is opened on the left and right sides of the rear cable outlet box 2, and the guide strip 72 is formed on the side wall of the rear cable outlet protective cover 7. The guide slot 21 limits the left and right sides and the upper and lower sides of the guide strip 72, so that the rear cable outlet protective cover 7 can only move back and forth.
[0025] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A low-voltage drawer outlet wire separation insulation piece, comprising a mounting plate, a rear outlet box is fixed on the mounting plate by self-tapping screws, and a plurality of outlet copper bars are extended into the rear outlet box, characterized in that: The rear wire outlet box is connected with a rear wire outlet protection cover, the rear wire outlet protection cover is arranged on the rear wire outlet box, the rear wire outlet protection cover comprises an outer cover and a plurality of partitions formed on the inner wall of the outer cover, and the partitions separate a plurality of wire outlet copper bars.
2. A low voltage drawer outlet separation insulating member according to claim 1, characterized in that: A guide slot is formed on the side surface of the rear wire outlet box, and a guide strip is formed on the inner wall of the rear wire outlet protection cover and is inserted into the guide slot.
3. A low voltage drawer outlet separation insulating member according to claim 2, characterized in that: The guide slot is formed on the upper surface of the rear wire outlet box, and the guide strip is formed on the top wall of the rear wire outlet protection cover, and the guide slot and the guide strip are in T-shaped.
4. A low voltage drawer outlet separation insulating member according to claim 2, characterized in that: The guide slot is formed on the left and right side surfaces of the rear wire outlet box, and the guide strip is formed on the side wall of the rear wire outlet protection cover.
5. A low voltage drawer outlet separation insulating member according to claim 1, characterized in that: The rear wire outlet box is made of SMC material and is integrally formed by a mold.
6. A low voltage drawer outlet separation insulating member according to claim 1, characterized in that: The rear wire outlet protection cover is made of ABS flame-retardant material and is integrally formed by a mold.