Circuit breaker arc extinguishing performance online detection equipment based on transient earth voltage

Abstract

The utility model relates to detection equipment, in particular to circuit breaker arc extinguishing performance on-line detection equipment based on transient earth voltage, which comprises a control assembly, the top of the control assembly is fixedly connected with an adjusting support assembly, and the side surface of the adjusting support assembly is fixedly connected with a sliding adjusting assembly. The side face of the sliding adjusting assembly is fixedly connected with a detection assembly. The motor is used for driving the rotating wheel and the transmission wheel to be meshed, the rotating rod drives the sleeve to rotate, and the sleeve is fixedly connected with the side plate, so that the sliding adjusting assembly on the side face of the side plate can be driven to swing; the up-and-down position and the front-and-back position of the detection assembly can be adjusted through stretching and retracting of the first air cylinder and stretching and retracting of the second air cylinder, the detection range of the detection assembly is increased through adjustment of the position change of the detection assembly, and large-range detection can be carried out without moving the whole equipment.

Description

Technical Field

[0001] The utility model relates to a detection device, in particular to an on-line detection device for the arc extinguishing performance of a circuit breaker based on transient earth voltage. Background Technique

[0002] The transient earth voltage detection technology is a technology for detecting internal insulation defects of power equipment, which is widely used in the detection of internal insulation defects of distribution equipment such as switch cabinets, ring main units, and cable branch boxes. However, since the transient earth voltage pulse must be transmitted from the inner surface to the outer surface through the discontinuity between the metal shells of the equipment to be detected, this detection technology is not applicable to power equipment with a completely sealed metal shell.

[0003] At present, most of the detection devices for the arc extinguishing performance of circuit breakers based on transient earth voltage have poor flexibility, either fixed or inconvenient to move, which results in great limitations in the detection process. Summary of the Invention

[0004] In view of this, the utility model provides an on-line detection device for the arc extinguishing performance of a circuit breaker based on transient earth voltage to solve the technical problem that most of the current detection devices for the arc extinguishing performance of circuit breakers based on transient earth voltage have poor flexibility, either fixed or inconvenient to move, resulting in great limitations in the detection process and unable to perform comprehensive detection.

[0005] An on-line detection device for the arc extinguishing performance of a circuit breaker based on transient earth voltage includes a control component. The top of the control component is fixedly connected with an adjustment support component. The side of the adjustment support component is fixedly connected with a sliding adjustment component. The side of the sliding adjustment component is fixedly connected with a detection component.

[0006] The adjustment support component includes a mounting bottom plate. The top of the mounting bottom plate is rotatably connected with a rotating rod. The top of the rotating rod is fixedly connected with a sleeve. The top of the mounting bottom plate is fixedly connected with a vertical plate. The top of the vertical plate is fixedly connected with a support rod. The top of the support rod is fixedly connected with a gear box. The bottom of the gear box is provided with a motor. The output end of the motor is fixedly connected with a rotating wheel. The side of the rotating wheel is meshed with a transmission wheel.

[0007] The detection component includes a high-voltage equipment metal plate. The inside of the high-voltage equipment metal plate is fixedly connected with a detection box. The side of the detection box is fixedly connected with a detector. The top of the high-voltage equipment metal plate is fixedly connected with a wireless intelligent tev sensor. The detection box is provided with a wireless transmission module, an analysis and control module, and a storage module.

[0008] Preferably, the rotating rod extends into the gear box. The rotating rod is fixedly connected with the transmission wheel. The top of the rotating rod is rotatably connected with a bearing seat.

[0009] Preferably, a side plate is fixedly connected to the side surface of the sleeve, and two support rods are provided.

[0010] Preferably, the sliding adjustment assembly includes a slide rail, a slider is slidably connected to the side surface of the slide rail, a support plate is fixedly connected to the side surface of the slider, and a first cylinder is installed on the side surface of the gear box.

[0011] Preferably, an output end of the first cylinder is fixedly connected to the support plate, and a second cylinder is installed on the top of the support plate.

[0012] Preferably, two slide rails and sliders are provided, and the two slide rails and sliders are distributed on both sides of the support plate.

[0013] Preferably, the control assembly includes a control box, and a display and an operation panel are fixedly connected to the side surface of the control box.

[0014] Preferably, two grounding terminals are fixedly connected to the side surface of the control box.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: By using the meshing of the driving wheel and the transmission wheel driven by the motor, the rotating rod drives the sleeve to rotate. Since the sleeve is fixedly connected to the side plate, the sliding adjustment assembly on the side of the side plate can be driven to swing. Moreover, by using the telescoping of the first cylinder and the telescoping of the second cylinder, the up-and-down position and the front-and-back position of the detection assembly can be adjusted. The above changes in the position of the adjustment detection assembly all increase the detection range of the detection assembly, and large-range detection can be carried out without moving the whole device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0017] Figure 2 It is a schematic diagram of the structure of the adjustment support assembly of the present utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the sliding adjustment assembly of the present utility model.

[0019] Figure 4 It is a schematic diagram of the structure of the control assembly of the present utility model.

[0020] In the figure: control component 1, control box 101, display 102, operation panel 103, grounding terminal 104, adjusting support component 2, mounting base plate 201, vertical plate 202, support rod 203, rotating rod 204, sleeve 205, side plate 206, motor 207, gear box 208, rotating wheel 209, transmission wheel 210, bearing seat 211, sliding adjustment component 3, slide rail 301, slider 302, supporting plate 303, first cylinder 304, second cylinder 305, detection component 4, high-voltage equipment metal plate 401, wireless intelligent tev sensor 402, detection box 403, detector 404. Specific embodiments

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

[0022] Embodiment: Please refer to Figures 1-4 An on-line detection device for the arc extinguishing performance of a circuit breaker based on transient earth voltage as shown, which includes a control component 1. The top of the control component 1 is fixedly connected with an adjusting support component 2. The side of the adjusting support component 2 is fixedly connected with a sliding adjustment component 3. The side of the sliding adjustment component 3 is fixedly connected with a detection component 4;

[0023] In this embodiment, refer to Figure 1 、 Figure 2 and Figure 3As shown in the figure, the adjusting support assembly 2 includes a mounting base plate 201. A rotating rod 204 is rotatably connected to the top of the mounting base plate 201. A sleeve 205 is fixedly connected to the top of the rotating rod 204. A vertical plate 202 is fixedly connected to the top of the mounting base plate 201. A support rod 203 is fixedly connected to the top of the vertical plate 202. A gear box 208 is fixedly connected to the top of the support rod 203. A motor 207 is installed at the bottom of the gear box 208. A rotating wheel 209 is fixedly connected to the output end of the motor 207. A transmission wheel 210 is meshed and connected to the side of the rotating wheel 209. The detection assembly 4 includes a high-voltage equipment metal plate 401. A detection box 403 is fixedly connected to the inside of the high-voltage equipment metal plate 401. A detector 404 is fixedly connected to the side of the detection box 403. A wireless intelligent tev sensor 402 is fixedly connected to the top of the high-voltage equipment metal plate 401. The detection box 403 is provided with a wireless transmission module, an analysis and control module and a storage module. Using the wireless transmission module, the analysis and control module and the storage module, wherein, the analysis and control module is used to extract feature information from the analog circuit module, and perform a preliminary diagnosis according to the feature information to obtain a preliminary diagnosis result, and is also used to adjust the monitoring strategy of the wireless intelligent tev sensor 402 according to the control command of the monitoring terminal. The wireless transmission module is used to send the feature information and the preliminary diagnosis result to the monitoring terminal through the wireless transmission network, and is also used to receive the control command. The storage module is used to save the feature information and the insulation state information of the switch cabinet. Remote control can improve the flexibility of work, save the commuting time of operators, save commuting time and costs, and reduce office costs.

[0024] Among them, the rotating rod 204 extends into the gear box 208, and the rotating rod 204 is fixedly connected to the transmission wheel 210. A bearing seat 211 is rotatably connected to the top of the rotating rod 204. A side plate 206 is fixedly connected to the side of the sleeve 205. There are two support rods 203. The sliding adjustment assembly 3 includes a slide rail 301. A slider 302 is slidably connected to the side of the slide rail 301. A support plate 303 is fixedly connected to the side of the slider 302. A first cylinder 304 is installed on the side of the gear box 208. The output end of the first cylinder 304 is fixedly connected to the support plate 303. A second cylinder 305 is installed on the top of the support plate 303. There are two slide rails 301 and sliders 302, and the two slide rails 301 and sliders 302 are distributed on both sides of the support plate 303. The motor 207 drives the meshing of the rotating wheel 209 and the transmission wheel 210, so that the rotating rod 204 drives the sleeve 205 to rotate, and by using the telescoping of the first cylinder 304 and the telescoping of the second cylinder 305, the up and down position and the front and back position of the detection assembly 4 can be adjusted, and the position of the detection assembly 4 is adjusted, increasing the detection range of the detection assembly 4, and there is no need to move the whole device.

[0025] In this embodiment, refer to Figure 1 andFigure 4 As shown, the control component 1 includes a control box 101. A display 102 and an operation panel 103 are fixedly connected to the side of the control box 101. Two grounding terminals 104 are fixedly connected to the side of the control box 101. Since the current is very small, the grounding arc can be extinguished instantaneously, effectively limiting the harmful effect of arc overvoltage.

[0026] In this solution, when an on-line detection device for the arc extinguishing performance of a circuit breaker based on transient earth voltage is in use, the motor 207 is utilized to drive the meshing of the rotating wheel 209 and the transmission wheel 210, so that the rotating rod 204 drives the sleeve 205 to rotate. Since the sleeve 205 is fixedly connected to the side plate 206, the side plate 206 can be driven to swing the sliding adjustment component 3. The sliding adjustment component 3 is fixedly connected to the detection component 4, so the detection component 4 will also move. Moreover, the telescoping of the first cylinder 304 and the telescoping of the second cylinder 305 can adjust the up-and-down position and the front-and-back position of the detection component 4. Furthermore, the detection range of the detector 404 can be adjusted, and the individual device can be tracked and measured over time to find out the changes in its discharge activity and understand the damage condition of the device. Despite various unknown factors, the purpose of rapid and accurate detection can be achieved.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An online detection device for arc extinguishing performance of a circuit breaker based on transient ground voltage, comprising a control component, characterized in that: The top of the control component is fixedly connected with an adjustment support component, the side of the adjustment support component is fixedly connected with a sliding adjustment component, and the side of the sliding adjustment component is fixedly connected with a detection component; The adjusting support assembly comprises a bearing bottom plate, the top of the bearing bottom plate is rotatably connected to a rotating rod, the top of the rotating rod is fixedly connected to a sleeve, the top of the bearing bottom plate is fixedly connected to a vertical plate, the top of the vertical plate is fixedly connected to a supporting rod, the top of the supporting rod is fixedly connected to a gear box, a motor is installed at the bottom of the gear box, the output end of the motor is fixedly connected to a rotating wheel, and the side of the rotating wheel is meshingly connected to a transmission wheel; The detection component includes a high-voltage equipment metal plate, a detection box is fixedly connected to the inside of the high-voltage equipment metal plate, a detector is fixedly connected to the side of the detection box, a wireless intelligent TEV sensor is fixedly connected to the top of the high-voltage equipment metal plate, and the detection box is provided with a wireless transmission module, an analysis and control module and a storage module.

2. The circuit breaker arc extinguishing performance online detection device based on transient ground voltage according to claim 1 is characterized in that: The rotating rod extends to the interior of the gear box, the rotating rod is fixedly connected to the transmission wheel, and the top of the rotating rod is rotatably connected to a bearing seat.

3. The circuit breaker arc extinguishing performance online detection device based on transient ground voltage according to claim 1 is characterized in that: A side plate is fixedly connected to the side surface of the sleeve, and two support rods are provided.

4. The circuit breaker arc extinguishing performance online detection device based on transient ground voltage according to claim 1 is characterized in that: The sliding adjustment assembly comprises a slide rail, a sliding block is slidably connected to the side of the slide rail, a supporting plate is fixedly connected to the side of the sliding block, and a first cylinder is installed on the side of the gear box.

5. The circuit breaker arc extinguishing performance online detection device based on transient ground voltage according to claim 4 is characterized in that: The output end of the first cylinder is fixedly connected to the supporting plate, and the second cylinder is installed on the top of the supporting plate.

6. The circuit breaker arc extinguishing performance online detection device based on transient ground voltage according to claim 4 is characterized in that: Two slide rails and two slide blocks are provided, and the two slide rails and two slide blocks are distributed on both sides of the supporting plate.

7. The circuit breaker arc extinguishing performance online detection device based on transient ground voltage according to claim 1 is characterized in that: The control assembly comprises a control box, and a display and an operation panel are fixedly connected to the side of the control box.

8. The circuit breaker arc extinguishing performance online detection device based on transient ground voltage according to claim 7 is characterized in that: A ground terminal is fixedly connected to the side of the control box, and two ground terminals are provided.

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