Enclosed isolating switch

Through the design of the closed isolating switch and the use of integrated temperature sensors, the problem of the isolation switch being susceptible to corrosion and safety hazards in outdoor environments is solved, the stability and safety of the equipment are improved, and maintenance costs are reduced.

CN223092753UActive Publication Date: 2025-07-11JIANGXI SENYUAN POWER CMI HLDG
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Patent Information

Application Number
CN202421964595.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-14
Publication Date
2025-07-11
Estimated Expiration
2034-08-14

AI Technical Summary

Technical Problem

In the outdoor environment, the isolation switch is susceptible to factors such as wind, frost, rain, snow, dust pollution, etc., resulting in a deterioration of performance. The naked part of the conductive part is likely to cause safety hazards and is difficult to detect in a timely manner, affecting the stable operation of the power system.

Method used

A closed isolation switch is designed, using a combination of incoming sealing sleeves and cable quick connectors to achieve isolation from the external environment, and the switch status is monitored in real time through an integrated temperature sensor to issue an alarm in a timely manner.

Benefits of technology

The protection level of the isolating switch is improved, the life of parts is extended, the maintenance costs are reduced, and the stable operation and safety of the power system is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of power switches, in particular to a closed disconnecting switch which comprises a base box, an electric shock assembly is arranged on one side of the base box and comprises an incoming line sealing sleeve, the incoming line sealing sleeve is fixedly connected to one side of the base box, and the incoming line sealing sleeve is fixedly connected to the other side of the base box. A compression bolt is fixedly connected to the interior of the wire inlet sealing sleeve, and a compression gasket is movably connected to the top of the compression bolt. According to the closed isolation switch, through the installation of the electric shock assembly, when the equipment is used, through the cooperation of the incoming line sealing sleeve, the cable quick connection sleeve and other parts, the erosion of the external environment is isolated, the service life of the parts is prolonged, the maintenance cost is reduced, and the protection grade of the isolation switch is significantly improved; and no matter in a severe natural environment or a complex industrial environment, stable performance can be maintained, and a powerful guarantee is provided for safe operation of a power system.
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Description

Technical Field

[0001] The utility model relates to the technical field of power switches, and particularly relates to an enclosed isolating switch. Background Art

[0002] Power switches are crucial components in the power system, used to control the on-off of circuits and ensure the safe transmission and distribution of electricity. There are various types of power switches with different functions, and they are widely used in all links of power generation, transmission, distribution, and consumption. The reliability of power switches is directly related to the stable operation of the power system and is of great significance for maintaining power safety.

[0003] In the outdoor environment, the components of isolating switches are often eroded by natural factors such as wind, frost, rain, snow, dust pollution, etc., resulting in performance degradation and even failures. Moreover, the conductive parts of traditional isolating switches are exposed, making them extremely prone to short circuits due to accidental contact. Whether it is human negligence or contact by external factors such as animals or branches, it may cause serious safety hazards.

[0004] Regarding the traditional isolating switches currently in use, during the operation, it is often difficult to detect faults in a timely manner, which may lead to more serious consequences. It may not only cause fires and other situations in the on-site environment but also affect the power supply to the area, posing a great threat to the continuous and stable operation of the power system. Content of the Utility Model

[0005] The purpose of the present utility model is to provide a closed disconnector to solve the problems raised in the above-mentioned background technology, namely, the switch in the outdoor environment is vulnerable to erosion for various reasons, resulting in performance degradation and failures, the conductive part is exposed outside, which is prone to safety hazards, and there is no warning when a failure occurs, making it not easy to be discovered, affecting the stability of the power system. To achieve the above purpose, the present utility model provides the following technical solution: A closed disconnector includes a base box. On one side of the base box, there is an electric contact component, which includes an incoming line sealing sleeve. The incoming line sealing sleeve is fixedly connected to one side of the base box. Inside the incoming line sealing sleeve, there is a compression bolt fixedly connected. On the top of the compression bolt, there is a compression gasket movably connected. On the top of the compression gasket, there is a compression nut movably connected. The compression nut is threadedly connected to the compression bolt. At the bottom of the inner cavity of the base box, there is an integrated temperature sensor fixedly connected. On the left and right sides at the bottom of the inner cavity of the base box, there are internal hexagonal screw holes. On the top of the internal hexagonal screw holes, there are internal hexagonal bolts threadedly connected. On one side of the internal hexagonal screw holes close to the internal hexagonal bolts, there is a clamping plate movably connected. On the other side of the base box, there is a cable quick connection sleeve fixedly connected. On the side of the cable quick connection sleeve away from the base box, there is a cable quick connection port. Inside the cavity of the cable quick connection sleeve, there is a wire clamp fixedly connected. On the side of the wire clamp away from the cable quick connection port, there is a static contact fixedly connected. By installing the electric contact component, when using this device, through the cooperation between components such as the incoming line sealing sleeve and the cable quick connection sleeve, not only is the erosion of the external environment isolated, the service life of the components is prolonged, the maintenance cost is reduced, but also the protection level of the disconnector is significantly improved. Whether in a harsh natural environment or a complex industrial environment, it can maintain stable performance, providing a strong guarantee for the safe operation of the power system.

[0006] Further preferably, on the side of the wire clamp away from the static contact, there is a special-shaped nut fixedly connected. Above the base box, there is a blade and knife seat component, which includes a cover top. The cover top is fixedly connected to the top of the base box. On the top of the cover top, there is an activity groove. On one side of the activity groove, there is a knife switch slidably connected. On one side of the bottom of the knife switch, there is a block one fixedly connected. On the other side of the bottom of the knife switch, there is a block two fixedly connected. By installing the electric contact component, when using this device, through the cooperation between components such as the integrated temperature sensor and the wire clamp, the device can monitor the working state of the switch in real time. Once a failure is detected, an alarm will be immediately issued to remind the staff to replace or repair in time, ensuring the continuous and stable operation of the power system.

[0007] Further preferably, on the other side of the bottom of the knife switch, a first limit bolt is rotatably connected. On one side of the first limit bolt, a movable piece is fixedly connected. On one side of the movable piece, a second limit bolt is fixedly connected. On one side of the second limit bolt, a movable block is rotatably connected. By installing the movable piece, during the use of the device, the power switch can be controlled by controlling the movable piece, improving the convenience of the device.

[0008] Further preferably, on one side of the movable piece, a third limit bolt is fixedly connected. On one side of the third limit bolt, a moving contact piece is fixedly connected. By installing the moving contact piece, during the use of the device, power supply is achieved through the contact between the moving contact piece and the static contact piece, improving the safety of the device.

[0009] Further preferably, on one side of the movable piece, a limit post is fixedly connected. At the bottom of the cover top, a limit bin is fixedly connected. In the middle of the bottom of the cover top, a fixed post is fixedly connected. By installing the limit bin, the limit post on the movable piece can slightly move in the limit bin to control the moving contact piece and the static contact piece, making the connection and disconnection of electricity simpler and improving the practicality of the device.

[0010] Further preferably, one side of the fixed post is fixedly connected to the base box. On one side of the base box, an insulating base is fixedly connected. A threaded sleeve is provided at the bottom of the insulating base.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, by installing the electric shock component, when using the device, through the cooperation between components such as the incoming line sealing sleeve and the cable quick-connect sleeve, not only the erosion of the external environment is isolated, the service life of the components is extended, the maintenance cost is reduced, but also the protection level of the disconnecting switch is significantly improved. Whether in a harsh natural environment or a complex industrial environment, it can maintain stable performance, providing a strong guarantee for the safe operation of the power system.

[0013] In the present utility model, by installing the electric shock component, when using the device, through the cooperation between components such as the integrated temperature sensor and the wire clamping device, the device can monitor the working state of the switch in real time. Once a fault is detected, an alarm is immediately issued to remind the staff to replace or repair in time, ensuring the continuous and stable operation of the power system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is a front view structural schematic diagram of the blade and knife seat assembly of the present utility model;

[0016] Figure 3 This is a schematic cross-sectional structure diagram of the utility model.

[0017] Figure 4 This is a schematic disassembled structure diagram of the blade and tool holder assembly of the utility model viewed from the front.

[0018] Figure 5 This is a schematic three-dimensional structure diagram of the blade and tool holder assembly of the utility model.

[0019] Figure 6 This is a schematic partial cross-sectional structure diagram of the utility model.

[0020] In the figure: 1. Base box; 2. Electric shock component; 201. Inlet sealing sleeve; 202. Compression bolt; 203. Compression gasket; 204. Compression nut; 205. Integrated temperature sensor; 206. Hexagon socket head cap screw hole; 207. Hexagon socket head cap screw; 208. Clamping plate; 209. Cable quick connector; 210. Cable quick connection port; 211. Wire clamp; 212. Stationary contact piece; 213. Special-shaped nut; 3. Blade and tool holder assembly; 301. Cover top; 302. Movable slot; 303. Knife switch; 304. Block one; 305. Block two; 306. Limit bolt one; 307. Movable piece; 308. Limit bolt two; 309. Movable block; 310. Limit bolt three; 311. Moving contact piece; 4. Limit post; 5. Limit bin; 6. Fixed post; 7. Insulating base; 8. Threaded sleeve. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1 - 6The utility model provides a technical solution: a closed isolating switch, including a base box 1, a shock assembly 2 is arranged on one side of the base box 1, the shock assembly 2 includes an incoming line sealing sleeve 201, the incoming line sealing sleeve 201 is fixedly connected to one side of the base box 1, a clamping bolt 202 is fixedly connected inside the incoming line sealing sleeve 201, a clamping gasket 203 is movably connected to the top of the clamping bolt 202, a clamping nut 204 is movably connected to the top of the clamping gasket 203, the clamping nut 204 is threadedly connected to the clamping bolt 202, an integrated temperature sensor 205 is fixedly connected to the bottom of the inner cavity of the base box 1, hexagonal screw holes 206 are opened on the left and right sides of the bottom of the inner cavity of the base box 1, the top of the hexagonal screw hole 206 is threadedly connected to the hexagonal bolt 207, the hexagonal screw hole 20 A buckle plate 208 is movably connected to one side of the hexagon socket bolt 207, and a cable quick-connect sleeve 209 is fixedly connected to the other side of the base box 1. The access end of the wire is put into the incoming line sealing sleeve 201, and the clamping bolt 202 is used to cooperate with the clamping gasket 203 and the clamping nut 204 is used to fix it. At the access end on the other side, the wire is placed in the cable quick-connect sleeve 209. When the internal temperature is too high and exceeds the set threshold, the integrated temperature sensor 205 will sound an alarm to prompt the replacement of the equipment, and the cable quick interface 210 of the equipment and the incoming line sealing sleeve 201 adopt a soft rubber sealed design. When the cable is put in, the cable quick interface 210 and the incoming line sealing sleeve 201 are stretched open. The cable quick interface 210 and the incoming line sealing sleeve 201 have a certain elasticity, so that the two ends of the cable are insulated and tightly connected in a sealed manner.

[0023] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, a cable quick connector 210 is provided on the side of the cable quick connector 209 away from the base box 1, a wire clamp 211 is fixedly connected to the inner cavity of the cable quick connector 209, a static contact piece 212 is fixedly connected to the side of the wire clamp 211 away from the cable quick connector 210, a special-shaped nut 213 is fixedly connected to the side of the wire clamp 211 away from the static contact piece 212, a blade holder assembly 3 is provided above the base box 1, and the blade holder assembly 3 includes a cover top 301, and the cover top 301 is fixedly connected to the top of the base box 1. A movable groove 302 is provided on the top of the cover top 301, and a switch knife 303 is slidably connected to one side of the movable groove 302. A clamping block 1 304 is fixedly connected to one side of the bottom of the switch knife 303, which is connected from the cable quick interface 210, and the wire clamp 211 is tightened using a special-shaped nut 213 to fix the position of the wire. When the switch knife 303 of the device is lifted, the clamping block 1 304 and the clamping block 2 305 at the bottom are limited with the movable block 309, so that the movable range of the switch knife 303 is between the movable groove 302.

[0024] In this embodiment, Figure 4 , Figure 5 and Figure 6As shown in the figure, on the other side of the bottom of the knife switch 303, a second clamping block 305 is fixedly connected. On the other side of the bottom of the knife switch 303, a first limit bolt 306 is rotatably connected. On one side of the first limit bolt 306, a movable piece 307 is fixedly connected. On one side of the movable piece 307, a second limit bolt 308 is fixedly connected. On one side of the second limit bolt 308, a movable block 309 is rotatably connected. On one side of the movable piece 307, a third limit bolt 310 is fixedly connected. On one side of the third limit bolt 310, a moving contact piece 311 is fixedly connected. On one side of the movable piece 307, a limit post 4 is fixedly connected. At the bottom of the cover top 301, a limit bin 5 is fixedly connected. Inside the cavity of the limit bin 5, the limit post 4 is movably connected. In the middle of the bottom of the cover top 301, a fixed post 6 is fixedly connected. One side of the fixed post 6 is fixedly connected to the base box 1. On one side of the base box 1, an insulating base 7 is fixedly connected. At the bottom of the insulating base 7, a threaded sleeve 8 is opened. When the knife switch 303 is lifted, the limit post 4 is slightly pushed in the limit bin 5, causing the movable piece 307 to slide towards the side of the incoming line sealing sleeve 201. When the knife switch 303 is pressed, the movable piece 307 will slide towards the side of the cable quick-connect sleeve 209, prompting the moving contact piece 311 on one side of the movable piece 307 to contact the static contact piece 212 to complete power supply. The threaded sleeve 8 at the bottom can use bolts to fix the device in one place.

[0025] The usage method and advantages of the present utility model: This enclosed disconnect switch, during use, has the following working process:

[0026] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, when using the device, prepare both ends of the wire connection that needs to be connected to the switch, put the wire access end into the incoming line sealing sleeve 201, use the clamping bolt 202 to cooperate with the clamping gasket 203 and the clamping nut 204 to fix it, and at the access end on the other side, place the wire in the cable quick-connect sleeve 209, connect it from the cable quick interface 210, use the special-shaped nut 213 to tighten the wire clamp 211 to fix the wire position, and when the switch 303 of the device is lifted, the bottom block 1 304 and the block 2 305 and the movable block 309 are limited, so that the movable range of the switch 303 is between the movable groove 302, and when the switch 303 is lifted, the limit column 4 is slightly pushed in the limit bin 5 to make the movable sheet 307 slide to one side of the incoming line sealing sleeve 201, and use When the switch 303 is pressed, the movable piece 307 will slide toward the side of the cable quick-connect sleeve 209, causing the movable contact piece 311 on one side of the movable piece 307 to contact the static contact piece 212 to complete the power supply, and the cable quick interface 210 and the incoming line sealing sleeve 201 of the equipment adopt a soft rubber sealed design, and the cable quick interface 210 and the incoming line sealing sleeve 201 are stretched open when the cable is inserted. The cable quick interface 210 and the incoming line sealing sleeve 201 have a certain elasticity, so that the two ends of the cable are insulated and tightly connected. When the internal temperature is too high and exceeds the set threshold, the integrated temperature sensor 205 will sound an alarm to prompt the replacement of the equipment. When the internal temperature is too high and exceeds the set threshold, the integrated temperature sensor 205 will sound an alarm to prompt the replacement of the equipment. The threaded sleeve 8 at the bottom can use bolts to fix the equipment in one place.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A closed isolator, comprising a base box (1), characterized in that: One side of the base box (1) is provided with an electric shock component (2). The electric shock component (2) includes an inlet sealing sleeve (201). The inlet sealing sleeve (201) is fixedly connected to one side of the base box (1). A pressing bolt (202) is fixedly connected inside the inlet sealing sleeve (201). A pressing gasket (203) is movably connected to the top of the pressing bolt (202). A pressing nut (204) is movably connected to the top of the pressing gasket (203). The pressing nut (204) is threadedly connected to the pressing bolt (202). An integrated temperature sensor (205) is fixedly connected to the bottom of the inner cavity of the base box (1). Inner hexagonal screw holes (206) are opened on the left and right sides of the bottom of the inner cavity of the base box (1). Inner hexagonal bolts (207) are threadedly connected to the tops of the inner hexagonal screw holes (206). A buckle plate (208) is movably connected to one side of the inner hexagonal screw hole (206) close to the inner hexagonal bolt (207). A cable quick-connecting sleeve (209) is fixedly connected to the other side of the base box (1). A cable quick-connection port (210) is opened on the side of the cable quick-connecting sleeve (209) away from the base box (1). A wire clamp (211) is fixedly connected to the inner cavity of the cable quick-connecting sleeve (209). A static contact piece (212) is fixedly connected to one side of the wire clamp (211) away from the cable quick-connection port (210).

2. The enclosed isolating switch according to claim 1, wherein: A special-shaped nut (213) is fixedly connected to one side of the wire clamp (211) away from the static contact piece (212). A blade and knife seat component (3) is arranged above the base box (1). The blade and knife seat component (3) includes a cover top (301). The cover top (301) is fixedly connected to the top of the base box (1). An activity groove (302) is opened on the top of the cover top (301). A knife gate (303) is slidably connected to one side of the activity groove (302). A first clamping block (304) is fixedly connected to one side of the bottom of the knife gate (303). A second clamping block (305) is fixedly connected to the other side of the bottom of the knife gate (303).

3. A closed disconnector according to claim 2, characterized in that: A first limit bolt (306) is rotatably connected to the other side of the bottom of the knife gate (303). An activity piece (307) is fixedly connected to one side of the first limit bolt (306). A second limit bolt (308) is fixedly connected to one side of the activity piece (307). An activity block (309) is rotatably connected to one side of the second limit bolt (308).

4. The enclosed disconnector according to claim 3, characterized in that: A third limit bolt (310) is fixedly connected to one side of the activity piece (307). A moving contact piece (311) is fixedly connected to one side of the third limit bolt (310).

5. The enclosed disconnecting switch according to claim 3, characterized in that: A limit post (4) is fixedly connected to one side of the activity piece (307). A limit bin (5) is fixedly connected to the bottom of the cover top (301). A fixed post (6) is fixedly connected to the middle of the bottom of the cover top (301).

6. The enclosed isolator according to claim 5, characterized in that: One side of the fixed post (6) is fixedly connected to the base box (1). An insulating base (7) is fixedly connected to one side of the base box (1). A threaded sleeve (8) is opened at the bottom of the insulating base (7).