Environment-friendly switch vacuum circuit breaker

Abstract

An environment-friendly switch vacuum circuit breaker comprises a first mounting plate and a second mounting plate, an upper isolation mounting seat and an arc extinguishing assembly are arranged between the first mounting plate and the second mounting plate, a connecting copper bar is mounted on the upper isolation mounting seat, and the connecting copper bar comprises a mounting part used for mounting a fixed contact and a wiring part used for wiring. The wiring part is vertically mounted at one end of the mounting part, the wiring part is cylindrical, a connecting hole is formed in the wiring part, through the improvement of the design of the connecting copper bar, the traditional connecting copper bar is flat-plate-type, the problem of inconvenient mounting is caused, when the mounting position is staggered, parts need to be dismounted for re-mounting, and the mounting cost is reduced. The installation steps are tedious, the positioning effect is poor, the connection mode of the installation part and the wiring part is improved, the positioning and installation difficulty can be reduced, bolts are directly in threaded connection with the connection holes, no direction requirement exists, and the installation and use efficiency is improved.

Description

Technical Field

[0001] The utility model relates to an environmental protection switch vacuum circuit breaker, belonging to the field of power components. Background Art

[0002] Gas-insulated metal-enclosed switchgear is referred to as gas-insulated cabinet insulated switchgear. The main switch usually adopts a vacuum circuit breaker with a spring mechanism. The entire cabinet combines air insulation and sulfur hexafluoride gas compartments. It has a compact structure and is expandable, making it suitable for distribution automation.

[0003] The vacuum circuit breaker switch is named because its arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; it has the advantages of small size, light weight, suitable for frequent operation, and no need for maintenance after arc extinguishing, and is widely used in distribution networks.

[0004] The existing environmentally friendly switch vacuum circuit breaker has the problem of inconvenient installation. The installation space at the upper isolation component is small, which easily causes inaccurate installation positioning. Inaccurate installation will cause subsequent parts to be misplaced or unable to be installed, which is not conducive to improving installation and use efficiency. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide an environmentally friendly switch vacuum circuit breaker.

[0006] An environmentally friendly switch vacuum circuit breaker comprises a first mounting plate and a second mounting plate, an upper isolating mounting seat and an arc extinguishing assembly are arranged between the first mounting plate and the second mounting plate, a connecting copper bus is installed on the upper isolating mounting seat, the connecting copper bus comprises a mounting portion for mounting a fixed contact and a wiring portion for wiring, the wiring portion is vertically mounted at one end of the mounting portion, the wiring portion is cylindrical, and a connecting hole is arranged on the wiring portion. By improving the design of the connecting copper bus, traditional connecting copper bus are all flat-plate type, which has the problem of inconvenient installation. When the installation position is misplaced, the parts need to be disassembled and installed again, the installation steps are cumbersome, and the positioning effect is poor. The connection method of the mounting portion and the wiring portion is improved, which can reduce the difficulty of positioning and installation, and the bolts can be directly threadedly connected to the connecting holes without direction requirements, thereby improving the installation and use efficiency.

[0007] Furthermore, a mounting groove is provided on the upper isolation mounting seat, and one end of the mounting portion is bent downward in an arc shape. The bent part of the mounting portion passes through the mounting groove and is connected to the wiring portion. The mounting groove can fix the position of the mounting portion, avoiding problems such as shaking of the wiring copper busbar during installation, thereby improving installation convenience.

[0008] Preferably, the upper isolation mounting seat is provided with a plurality of first fixing holes, and the mounting portion is provided with second fixing holes corresponding to the first fixing holes, and the first fixing holes and the second fixing holes are used to fix the mounting portion to the upper isolation mounting seat through bolts, and the mounting portion can be quickly fixed to the upper isolation mounting seat through the first fixing holes and the second fixing holes.

[0009] Furthermore, the upper isolation mounting seat is provided with insulating parts located on both sides of the connecting copper busbar, and the insulating parts include a large insulating plate and a small insulating plate vertically arranged on the upper isolation mounting seat. The provision of the insulating parts can improve the insulation, prevent the arc from being transmitted between the fixed contacts, and improve safety.

[0010] Furthermore, the height of the small insulating plate is lower than that of the large insulating plate, so that the insulation is further improved. The high-and-low design can greatly reduce static electricity or arcing.

[0011] Furthermore, a connecting plate is provided between the large insulating plate and the small insulating plate, and the connecting plate is used to strengthen the installation strength of the large insulating plate and the small insulating plate and improve the stability.

[0012] Preferably, the large insulating plate and the small insulating plate are provided with reinforcing ribs connected to the upper isolation mounting seat, and the reinforcing ribs can further improve the installation strength of the large insulating plate and the small insulating plate, prevent breakage caused by vibration, shaking and other problems, and improve service life.

[0013] Furthermore, the first mounting plate and the second mounting plate are provided with a first observation window and a second observation window, the first observation window is arranged at the closing and opening positions of the vacuum circuit breaker, and the second observation window is arranged at the grounding position of the vacuum circuit breaker, so as to facilitate personnel to observe the working status of the vacuum circuit breaker.

[0014] The beneficial effects of the utility model are as follows: by improving the design of the connecting copper busbar, traditional connecting copper busbars are all flat-plate type, which has the problem of inconvenient installation. When the installation position is misplaced, the parts need to be disassembled and installed again. The installation steps are cumbersome and the positioning effect is poor. The improved connection method of the installation part and the wiring part can reduce the difficulty of positioning and installation. The bolts can be directly threaded with the connecting holes without any direction requirements, which improves the installation and use efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still belong to the scope of the utility model.

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of another viewing angle of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the bottom of the utility model;

[0019] Figure 4 for Figure 3 A magnified detail of the center A;

[0020] In the figure, 1. first mounting plate; 2. second mounting plate; 21. first observation window; 22. second observation window; 3. upper isolation mounting seat; 31. mounting groove; 32. first fixing hole; 33. large insulating plate; 34. small insulating plate; 35. connecting plate; 36. reinforcing rib; 4. connecting copper busbar; 41. mounting part; 411. second fixing hole; 42. wiring part; 421. connecting hole; 5. arc extinguishing assembly. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

[0022] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are for distinguishing two non-identical entities with the same name or non-identical parameters. It can be seen that "first" and "second" are only for the convenience of expression and should not be understood as limitations on the embodiments of the present invention. The subsequent embodiments will not explain this one by one.

[0023] The directions and positions mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., are only for reference to the directions or positions of the drawings. Therefore, the directions and positions used are used to explain and understand the present invention, but not to limit the scope of protection of the present invention.

[0024] like Figure 1-4As shown, an embodiment of an environmentally friendly switch vacuum circuit breaker of the utility model comprises a first mounting plate 1 and a second mounting plate 2, an upper isolating mounting seat 3 and an arc extinguishing assembly 5 are arranged between the first mounting plate 1 and the second mounting plate 2, a connecting copper busbar 4 is installed on the upper isolating mounting seat 3, the connecting copper busbar 4 comprises a mounting portion 41 for mounting a fixed contact and a wiring portion 42 for wiring, the wiring portion 42 is vertically mounted at one end of the mounting portion 41, the wiring portion 42 is cylindrical, and a connecting hole 421 is arranged on the wiring portion 42. By improving the design of the connecting copper busbar 4, the traditional connecting copper busbar 4 is a flat plate type, which has the problem of inconvenient installation. When the installation position is misplaced, the parts need to be disassembled and installed again, the installation steps are cumbersome, and the positioning effect is poor. The improved connection method of the mounting portion 41 and the wiring portion 42 can reduce the difficulty of positioning and installation, and the bolt can be directly threadedly connected to the connecting hole 421 without any direction requirements, thereby improving the installation and use efficiency.

[0025] A mounting groove 31 is provided on the upper isolation mounting seat 3, and one end of the mounting portion 41 is bent downward in an arc shape. The bent part of the mounting portion 41 passes through the mounting groove 31 and is connected to the wiring portion 42. The mounting groove 31 can fix the position of the mounting portion 41 to avoid problems such as shaking of the wiring copper busbar during installation, thereby improving installation convenience.

[0026] The upper isolation mounting seat 3 is provided with a plurality of first fixing holes 32, and the mounting portion 41 is provided with second fixing holes 411 corresponding to the first fixing holes 32. The first fixing holes 32 and the second fixing holes 411 are used to fix the mounting portion 41 to the upper isolation mounting seat 3 by bolts, and the mounting portion 41 can be quickly fixed to the upper isolation mounting seat 3 through the first fixing holes 32 and the second fixing holes 411.

[0027] The upper isolation mounting seat 3 is provided with insulating parts located on both sides of the connecting copper busbar 4, and the insulating parts include a large insulating plate 33 and a small insulating plate 34 vertically arranged on the upper isolation mounting seat 3. The provision of the insulating parts can improve the insulation, prevent the arc from being transmitted between the fixed contacts, and improve safety.

[0028] The height of the small insulating plate 34 is lower than that of the large insulating plate 33, so as to further improve the insulation performance. The high-and-low design can greatly reduce static electricity or arcing.

[0029] A connecting plate 35 is provided between the large insulating plate 33 and the small insulating plate 34 , and the connecting plate 35 is used to strengthen the installation strength of the large insulating plate 33 and the small insulating plate 34 and improve the stability.

[0030] The large insulating plate 33 and the small insulating plate 34 are provided with reinforcing ribs 36 connected to the upper isolation mounting seat 3. The reinforcing ribs 36 can further improve the installation strength of the large insulating plate 33 and the small insulating plate 34, prevent problems such as vibration and shaking from causing breakage, and improve the service life.

[0031] A first observation window 21 and a second observation window 22 are provided on the first mounting plate 1 and the second mounting plate 2. The first observation window 21 is provided at the closing and opening positions of the vacuum circuit breaker, and the second observation window 22 is provided at the grounding position of the vacuum circuit breaker, so as to facilitate personnel to observe the working status of the vacuum circuit breaker.

[0032] Although the present invention has been described with reference to several specific embodiments, it should be understood that the present invention is not limited to the specific embodiments disclosed. The present invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. An environmentally friendly switch vacuum circuit breaker, characterized in that: It includes a first mounting plate and a second mounting plate, an upper isolating mounting seat and an arc extinguishing assembly are arranged between the first mounting plate and the second mounting plate, a connecting copper bus is installed on the upper isolating mounting seat, the connecting copper bus includes a mounting portion for mounting a fixed contact and a wiring portion for wiring, the wiring portion is vertically installed at one end of the mounting portion, the wiring portion is cylindrical, and a connecting hole is arranged on the wiring portion.

2. The environmental protection switch vacuum circuit breaker according to claim 1, characterized in that: The upper isolation mounting seat is provided with a mounting groove, one end of the mounting portion is bent downward in an arc shape, and the bent portion of the mounting portion passes through the mounting groove and is connected to the wiring portion.

3. The environmental protection switch vacuum circuit breaker according to claim 2, characterized in that: The upper isolation mounting seat is provided with a plurality of first fixing holes, the mounting portion is provided with second fixing holes corresponding to the first fixing holes, and the first fixing holes and the second fixing holes are used to fix the mounting portion to the upper isolation mounting seat through bolts.

4. The environmentally friendly switch vacuum circuit breaker according to claim 1, characterized in that: The upper isolation mounting seat is provided with insulating members located at both sides of the connecting copper bar, and the insulating members include a large insulating plate and a small insulating plate vertically arranged on the upper isolation mounting seat.

5. The environmentally friendly switch vacuum circuit breaker according to claim 4, characterized in that: The height of the small insulating board is lower than that of the large insulating board.

6. The environmentally friendly switch vacuum circuit breaker according to claim 4 or 5, characterized in that: A connecting plate is provided between the large insulating plate and the small insulating plate.

7. The environmentally friendly switch vacuum circuit breaker according to claim 6, characterized in that: The large insulating plate and the small insulating plate are provided with reinforcing ribs connected with the upper isolation mounting seat.

8. The environmentally friendly switch vacuum circuit breaker according to claim 1, characterized in that: The first mounting plate and the second mounting plate are provided with a first observation window and a second observation window, the first observation window is arranged at the closing and opening positions of the vacuum circuit breaker, and the second observation window is arranged at the grounding position of the vacuum circuit breaker.

Images