Circuit breaker vacuum insulation on-line monitoring device

By introducing a cooling system combining semiconductor refrigerator and fan into the circuit breaker vacuum insulation online monitoring device, as well as the height and direction adjustment technology of the drive motor and double-head motor, the problems of high temperature damage and fixed position limitations of the device are solved, and rapid cooling and flexible monitoring are achieved.

CN222636264UActive Publication Date: 2025-03-18NANJING SHUNSYUAN ELECTRIC CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420992442.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-03-18
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

The existing vacuum insulation online monitoring device of circuit breaker will generate high temperatures during long-term operations, resulting in accelerated loss of internal components, increased maintenance costs, and safety hazards. At the same time, the device is highly fixed and lacks flexibility.

Method used

A vacuum insulation online monitoring device for circuit breaker that includes online monitoring of the body and lifting chamber is designed, and a cooling system combining semiconductor refrigerator and fan is used to monitor the temperature in real time through a temperature detector and start the cooling device; at the same time, the height and direction of the driving motor and the double-head motor are used to adjust the device to achieve flexibility.

Benefits of technology

The rapid cooling device avoids damage to internal components by high temperature, extends the service life of the equipment, reduces maintenance costs, improves safety, and adapts to different monitoring environments due to the flexibility of height and direction.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222636264U_ABST
    Figure CN222636264U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of on-line monitoring, and discloses a circuit breaker vacuum insulation on-line monitoring device which comprises an on-line monitoring body and a lifting chamber, four corners of the front end of the on-line monitoring body are provided with fixing bolts, the lower end of a connecting pipe is communicated with the inside of the on-line monitoring body, and the right side wall of a cooling box is provided with a filter screen. A semiconductor cooler is arranged in the middle in the cooling box, and a fan is arranged on the right side of the semiconductor cooler. The temperature in the online monitoring body can be detected through a temperature detector, when the temperature is too high, a fan is started, air enters a cooling box through a filter screen, a semiconductor refrigerator is started to refrigerate the air, the air is conveyed into the online monitoring body through two connecting pipes, and cooling operation is conducted on internal parts; and internal hot air is exhausted through the two heat dissipation nets, so that rapid cooling is achieved, the influence of high temperature on internal parts is avoided, the loss of the internal parts is reduced, the later maintenance and replacement cost is reduced, and potential safety hazards are avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of online monitoring, in particular to an online monitoring device for vacuum insulation of a circuit breaker. Background Art

[0002] Circuit breakers are important protection and control equipment in power systems, among which vacuum circuit breakers are widely used for their superior insulation performance and fast circuit-breaking capabilities. In the existing technology, the vacuum insulation online monitoring device of the circuit breaker will generate high temperature inside during long-term operation. The high temperature will affect the internal components, accelerate the loss of the internal components, increase the subsequent maintenance and replacement costs, and there will be great safety hazards. In addition, the height of the existing vacuum insulation online monitoring device of the circuit breaker is fixed, and it can only be fixed in one position for monitoring, which is greatly limited and lacks flexibility. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides an online monitoring device for vacuum insulation of a circuit breaker, which has the advantages of rapid cooling and the like, and solves the problems raised by the background art.

[0004] In order to achieve the above-mentioned purpose of rapid cooling, the utility model provides the following technical solutions: a circuit breaker vacuum insulation online monitoring device, comprising an online monitoring body and a lifting chamber, wherein fixing bolts are arranged at the four corners of the front end of the online monitoring body, and four indicator lights are arranged on the upper part of the front end wall of the online monitoring body, namely, a running light, a quality inspection light, an equipment fault light and a vacuum warning light, and two operation buttons are arranged below the indicator lights, namely, a self-test button and a reset button, and a terminal line interface is installed at the lower end of the online monitoring body;

[0005] A cooling box is installed on the right upper end of the online monitoring body, two connecting pipes are connected to the left side wall of the cooling box, the lower ends of the connecting pipes are connected to the interior of the online monitoring body, a filter is arranged on the right side wall of the cooling box, a semiconductor refrigerator is arranged in the middle of the cooling box, and a fan is arranged on the right side of the semiconductor refrigerator.

[0006] As a further solution of the utility model: a temperature detector is arranged on the upper part of the front end wall of the online monitoring body, and the temperature detector can detect the temperature inside the online monitoring body.

[0007] As a further solution of the utility model: a slide groove is provided in the middle part of the front end wall of the lifting chamber, a drive motor is installed at the bottom end of the lifting chamber, a ball screw is installed at the upper end of the drive motor through the output shaft, a screw slide is installed on the ball screw for transmission, a connecting plate is installed at the front end of the screw slide, and the drive motor is started. The drive motor drives the ball screw to rotate through the output shaft, drives the screw slide to move upward, and thus drives the connecting plate to move upward, so that the upper and lower heights of the online monitoring body can be adjusted without being limited by height.

[0008] As a further solution of the utility model: the front end of the connecting plate passes through the slide groove and is installed with a double-headed motor, both ends of the double-headed motor are installed with L-shaped rods through the output shaft, the front ends of the L-shaped rods are installed with mounting plates, and the mounting plates are connected to the online monitoring body through locking bolts. When the double-headed motor is started, the double-headed motor drives the two L-shaped rods to rotate through the output shaft, thereby adjusting the direction of the online monitoring body, which has strong flexibility.

[0009] As a further solution of the utility model: a bottom plate is installed at the lower end of the lifting chamber, and locking bolts are arranged at the four corners of the upper end of the bottom plate. The bottom plate is fixed by tightening the four locking bolts, thereby improving the firmness.

[0010] As a further solution of the utility model: two heat dissipation nets are arranged at the lower part of the left side wall of the online monitoring body, and the two heat dissipation nets discharge the internal hot air, so as to achieve rapid cooling.

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

[0012] 1. In the utility model, the temperature inside the online monitoring body can be detected by a temperature detector. When the temperature is too high, the fan is started, and the air enters the cooling box through the filter. The semiconductor refrigerator is started to cool the air, and then the air is transported to the inside of the online monitoring body through two connecting pipes to cool the internal components, and the internal hot air is discharged through two heat dissipation nets, so as to achieve rapid cooling, avoid the impact of high temperature on the internal components, reduce the loss of internal components, reduce the cost of later maintenance and replacement, and avoid safety hazards.

[0013] 2. In the utility model, the driving motor is started, and the driving motor drives the ball screw to rotate through the output shaft, drives the screw slide to move upward, and then drives the connecting plate to move upward, so that the upper and lower heights of the online monitoring body can be adjusted, and the double-headed motor is started, and the double-headed motor drives the two L-shaped rods to rotate through the output shaft, so that the direction of the online monitoring body can be adjusted, which has strong flexibility and is not limited by position. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the lifting chamber in the utility model;

[0016] Figure 3 It is a structural schematic diagram of the cooling box in the utility model;

[0017] Figure 4 This is a schematic diagram of the appearance of the online monitoring body in the utility model;

[0018] Figure 5 For the utility model Figure 1 A magnified schematic diagram.

[0019] In the figure: 1. Online monitoring body; 2. Fixing bolt; 3. Operation button; 4. Indicator light; 5. Cooling box; 6. Lifting chamber; 7. Slide; 8. Bottom plate; 9. Fan; 10. Semiconductor refrigerator; 11. Filter; 12. Connecting pipe; 13. Screw slide; 14. Ball screw; 15. Drive motor; 16. Connecting plate; 17. Mounting plate; 18. Double-head motor; 19. L-shaped rod; 20. Terminal line interface; 21. Temperature detector. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] It should be noted that the semiconductor refrigerator 10, the drive motor 15 and the double-headed motor 18 are all prior arts and are common knowledge to those skilled in the art, and will not be elaborated herein.

[0022] See also Figures 1 to 5 In the embodiment of the utility model, the circuit breaker vacuum insulation online monitoring device includes an online monitoring body 1 and a lifting chamber 6. The four corners of the front end of the online monitoring body 1 are provided with fixing bolts 2. The upper part of the front end wall of the online monitoring body 1 is provided with four indicator lights 4, which are respectively a running light, a quality inspection light, an equipment fault light and a vacuum warning light. Two operation buttons 3 are provided below the indicator lights 4, which are respectively a self-test button and a reset button. The lower end of the online monitoring body 1 is installed with a terminal line interface 20;

[0023] A cooling box 5 is installed on the right upper part of the online monitoring body 1, and two connecting pipes 12 are connected to the left side wall of the cooling box 5. The lower end of the connecting pipe 12 is connected to the inside of the online monitoring body 1, and a filter 11 is arranged on the right side wall of the cooling box 5. A semiconductor refrigerator 10 is arranged in the middle of the cooling box 5, and a fan 9 is arranged on the right side of the semiconductor refrigerator 10.

[0024] A temperature detector 21 is arranged at the upper part of the front end wall of the online monitoring body 1, and the temperature detector 21 can detect the temperature inside the online monitoring body 1; a slide groove 7 is arranged at the middle part of the front end wall of the lifting chamber 6, and a driving motor 15 is installed at the bottom end of the lifting chamber 6, and a ball screw 14 is installed at the upper end of the driving motor 15 through the output shaft, and a screw slide 13 is installed on the ball screw 14 for transmission, and a connecting plate 16 is installed at the front end of the screw slide 13. When the driving motor 15 is started, the driving motor 15 drives the ball screw 14 to rotate through the output shaft, drives the screw slide 13 to move upward, and then drives the connecting plate 16 to move upward, so that the upper and lower heights of the online monitoring body 1 can be adjusted without being limited by the height; the connecting plate 16 The front end passes through the slide slot 7 and is installed with a double-headed motor 18. L-shaped rods 19 are installed at both ends of the double-headed motor 18 through the output shaft. Mounting plates 17 are installed at the front ends of the L-shaped rods 19. The mounting plates 17 are connected to the online monitoring body 1 through locking bolts. When the double-headed motor 18 is started, the double-headed motor 18 drives the two L-shaped rods 19 to rotate through the output shaft, so that the direction of the online monitoring body 1 can be adjusted, and the flexibility is strong; a bottom plate 8 is installed at the lower end of the lifting chamber 6, and locking bolts are arranged at the four corners of the upper end of the bottom plate 8. Tighten the four locking bolts to fix the bottom plate 8, thereby improving the firmness; two heat dissipation nets are arranged on the lower part of the left side wall of the online monitoring body 1, and the two heat dissipation nets discharge the internal hot air, thereby achieving rapid cooling.

[0025] The working principle of the utility model is: tighten the four locking bolts to fix the base plate 8, start the drive motor 15, the drive motor 15 drives the ball screw 14 to rotate through the output shaft, drives the screw slide 13 to move upward, thereby drives the connecting plate 16 to move upward, so that the upper and lower heights of the online monitoring body 1 can be adjusted, start the double-headed motor 18, the double-headed motor 18 drives the two L-shaped rods 19 to rotate through the output shaft, so that the direction of the online monitoring body 1 can be adjusted, the flexibility is strong, and it is not limited by the position. The temperature detector 21 can detect the temperature inside the online monitoring body 1. When the temperature is too high, start the fan 9, and the air enters the cooling box 5 through the filter 11. Start the semiconductor refrigerator 10 to cool the air, and then transport it to the inside of the online monitoring body 1 through the two connecting pipes 12, cool the internal components, and discharge the internal hot air through the two heat dissipation nets, so as to achieve rapid cooling.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A circuit breaker vacuum insulation online monitoring device, comprising an online monitoring body (1) and a lifting chamber (6), wherein fixing bolts (2) are arranged at the four corners of the front end of the online monitoring body (1), and four indicator lights (4) are arranged at the upper part of the front end wall of the online monitoring body (1), namely, an operation light, a quality inspection light, an equipment fault light and a vacuum warning light, and two operation buttons (3) are arranged below the indicator lights (4), namely, a self-test button and a reset button, and a terminal line interface (20) is installed at the lower end of the online monitoring body (1); Features: A cooling box (5) is installed on the right upper part of the online monitoring body (1); two connecting pipes (12) are connected to the left side wall of the cooling box (5); the lower ends of the connecting pipes (12) are connected to the interior of the online monitoring body (1); a filter screen (11) is arranged on the right side wall of the cooling box (5); a semiconductor refrigerator (10) is arranged in the middle of the cooling box (5); and a fan (9) is arranged on the right side of the semiconductor refrigerator (10).

2. The circuit breaker vacuum insulation online monitoring device according to claim 1, characterized in that: A temperature detector (21) is provided on the upper portion of the front end wall of the online monitoring body (1).

3. The circuit breaker vacuum insulation online monitoring device according to claim 1, characterized in that: A slide groove (7) is provided in the middle of the front end wall of the lifting chamber (6), a driving motor (15) is installed at the bottom end of the lifting chamber (6), a ball screw (14) is installed at the upper end of the driving motor (15) via an output shaft, a screw slide (13) is installed on the ball screw (14), and a connecting plate (16) is installed at the front end of the screw slide (13).

4. The circuit breaker vacuum insulation online monitoring device according to claim 3, characterized in that: The front end of the connecting plate (16) passes through the slide groove (7) and is installed with a double-headed motor (18), both ends of the double-headed motor (18) are installed with L-shaped rods (19) through output shafts, and the front ends of the L-shaped rods (19) are installed with mounting plates (17), and the mounting plates (17) are connected to the online monitoring body (1) through locking bolts.

5. The circuit breaker vacuum insulation online monitoring device according to claim 1, characterized in that: A bottom plate (8) is installed at the lower end of the lifting chamber (6), and locking bolts are arranged at the four corners of the upper end of the bottom plate (8).

6. The circuit breaker vacuum insulation online monitoring device according to claim 1, characterized in that: Two heat dissipation nets are arranged at the lower part of the left side wall of the online monitoring body (1).