Detection device for high-voltage power distribution electric control system

By installing acousto-optical alarms and magnetron switches in the high-voltage distribution cabinet, leakage detection and alarm are achieved using the electromagnetic induction principle of grounding wires and iron rods, which solves the problem that high-voltage distribution cabinet cannot alarm in time when leakage is leaked, improves safety and enhances the wear resistance and heat dissipation performance of the equipment.

CN223124411UActive Publication Date: 2025-07-18NANJING JUNYI AUTOMOTIVE TECH CO LTD
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Patent Information

Application Number
CN202421686334.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-07-18
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

The existing high-voltage distribution cabinet cannot alarm in time when leakage, which affects the safety of use.

Method used

Install an acousto-optical alarm and a magnetron switch in a high-voltage distribution cabinet, and use the grounding wire and iron rod to generate magnetic force to close the magnetron switch to achieve leakage detection and alarm.

Benefits of technology

Timely detection and alarm of leakage is realized, safety of use is improved, and the wear resistance and heat dissipation effect of the equipment is improved through structures such as rubber rings and rubber bearings.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-voltage power distribution electric control system detection device which comprises a high-voltage power distribution cabinet body, an audible and visual alarm is fixedly installed at the right end of the top of the outer surface of the high-voltage power distribution cabinet body, and a detection box is fixedly connected to the lower end of the right side of the outer surface of the high-voltage power distribution cabinet body. And a magnetic control switch is fixedly mounted at the bottom of the inner cavity of the detection box. According to the high-voltage power distribution cabinet, through the arrangement of the grounding wire, when electric leakage occurs to an electric control system element in the high-voltage power distribution cabinet body, current can be conducted to the underground in a grounding manner, so that the effect of grounding protection when electric leakage occurs is achieved, and when electric leakage occurs, due to the fact that current exists in the grounding wire wound around the iron rod, the grounding wire cannot be damaged. And according to the electromagnetic induction principle, the iron rod can generate certain magnetic force at the moment, and the contact in the magnetically controlled switch is closed under the action of the magnetic force, so that the circuit of the audible and visual alarm can be switched on, and effective alarm prompt can be carried out on surrounding personnel.
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Description

Technical Field

[0001] The utility model relates to the technical field of power equipment, in particular to a detection device for a high-voltage distribution electric control system. Background Technique

[0002] A high-voltage switchgear refers to an electrical product that plays functions such as switching on and off, controlling, or protecting in the processes of power generation, transmission, distribution, power conversion, and consumption in a power system, with a voltage level ranging from 3.6 kV to 550 kV. It mainly includes several categories such as high-voltage circuit breakers, high-voltage disconnectors and earthing switches, high-voltage load switches, high-voltage automatic reclosing and sectionalizers, high-voltage operating mechanisms, high-voltage explosion-proof distribution devices, and high-voltage switch cabinets. The high-voltage switch manufacturing industry is an important part of the power transmission and transformation equipment manufacturing industry and occupies a very important position in the entire power industry.

[0003] For example, the Chinese utility model provides "an adjustable high-voltage switchgear", publication number: CN221150705U. This application includes a protective shell. Inside the protective shell, a shock-absorbing plate is fixedly connected. Inside the shock-absorbing plate, a first spring is fixedly connected. One end of the first spring away from the shock-absorbing plate is fixedly connected to a shock-absorbing block. The shock-absorbing block is slidably connected to a support block. The support block is fixedly connected to the shock-absorbing plate. One end of the support block away from the shock-absorbing plate is fixedly connected to a second spring. One end of the second spring away from the support block is fixedly connected to a storage box. On both sides of the support block, connecting columns are fixedly connected. On the connecting columns, rollers are fixedly connected. The rollers are slidably connected to sliders. The sliders are fixedly connected to the storage box. In the utility model, through the setting of a shock-absorbing mechanism, namely, the shock-absorbing plate, the first spring, the support block, the shock-absorbing block, the slider, the roller, and the second spring, the shock absorption of the storage box is realized, and the service life of the device is prolonged.

[0004] Although the high-voltage switchgear in the above technology has a good shock-absorbing effect, due to the lack of a function of leakage detection and alarm during use, when the components of the internal electric control system are leaking electricity, it is impossible to give an alarm prompt to the surrounding personnel in time, resulting in the inability of personnel to discover and make corresponding safety treatments in time, affecting the overall safety of use. Content of the Utility Model

[0005] The purpose of the utility model is to provide a detection device for a high-voltage distribution electric control system, which has the advantages of being able to detect and alarm the leakage of a high-voltage switchgear, effectively improving the safety of use of the high-voltage switchgear.

[0006] To achieve the above object, the present utility model provides the following technical solutions: a detection device for a high-voltage power distribution electric control system, including a high-voltage power distribution cabinet body. At the right end of the top surface of the high-voltage power distribution cabinet body, an audible and visual alarm is fixedly installed. At the lower end of the right side of the outer surface of the high-voltage power distribution cabinet body, a detection box is fixedly connected. At the bottom of the inner cavity of the detection box, a magnetic control switch is fixedly installed. At the lower end of the right side of the inner cavity of the detection box, a ceramic insulating plate is fixedly connected. At the left end of the ceramic insulating plate, an iron rod is fixedly connected. At the upper end of the iron rod, a grounding wire is wound. The left side of the grounding wire is fixedly connected to the lower end of the right side of the outer surface of the high-voltage power distribution cabinet body.

[0007] As a preferred solution, in the middle of the right side of the detection box, a rubber ring is fixedly connected. The surface of the grounding wire is movably connected to the surface of the rubber ring.

[0008] As a preferred solution, at the bottom of the outer surface of the high-voltage power distribution cabinet body, a rubber support is fixedly connected. The number of the rubber supports is four.

[0009] As a preferred solution, in the middle of the top of the high-voltage power distribution cabinet body, an air guide box is fixedly connected. At the upper end of the inner cavity of the air guide box, an air filter is fixedly installed. At the lower end of the inner cavity of the air guide box, a heat dissipation fan is fixedly installed.

[0010] As a preferred solution, at the left end of the front surface of the high-voltage power distribution cabinet body, a cabinet door is movably connected through a hinge. At the lower end of the cabinet door, a heat dissipation opening is provided. At the lower end of the right side of the cabinet door, a rat-proof net frame is fixedly connected.

[0011] As a preferred solution, at the lower end of the front surface of the detection box, a limit card slot is provided. At both ends of the front surface of the detection box, L-shaped guide plates are fixedly connected. Between the surfaces of the two L-shaped guide plates and the front surface of the detection box, a protective baffle is movably connected.

[0012] As a preferred solution, at the lower end of the protective baffle, a metal elastic sheet is fixedly connected. At the lower end of the back surface of the metal elastic sheet, a limit card block is fixedly connected. The surface of the limit card block is movably connected to the surface of the limit card slot.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The utility model can, through the setting of the grounding wire, conduct the current to the ground underground when leakage occurs in the electric control system components inside the high-voltage distribution cabinet body, thereby achieving the effect of grounding protection when leakage occurs. When leakage occurs, there is current inside the grounding wire wound around the iron rod, and according to the principle of electromagnetic induction, it can be known that the iron rod can generate a certain magnetic force at this time, and under the action of the magnetic force, the contacts inside the magnetic control switch are closed, so that the circuit of the sound and light alarm can be connected, and effective alarm prompts are given to the surrounding personnel, thereby achieving the effect of detection and alarm when leakage occurs in the electric control system components inside the high-voltage distribution cabinet body, so that personnel can timely discover the leakage and make corresponding safety treatment, which is convenient for personnel to use.

[0015] 2. The utility model effectively avoids the wear caused by the contact between the ground wire and the detection box through the provision of the rubber ring. The provision of the rubber support achieves the purpose of supporting the bottom of the high-voltage distribution cabinet body, reducing the probability of the moisture on the ground corroding the bottom of the high-voltage distribution cabinet body. The provision of the air guide box and the heat dissipation fan can drive the outside air to be blown quickly into the interior of the high-voltage distribution cabinet body, thereby achieving the effect of heat dissipation inside the high-voltage distribution cabinet body. The provision of the air filter can effectively filter the dust in the air flowing through the air guide box. The provision of the cabinet door facilitates the protection of the front of the high-voltage distribution cabinet body. The provision of the heat dissipation port is conducive to The heat inside the high-voltage distribution cabinet body is dissipated to the outside. The setting of the rat-proof mesh frame can prevent rats from entering the high-voltage distribution cabinet body through the heat dissipation port and gnawing on the lines. The setting of the protective baffle and the L-shaped guide plate can effectively protect the front of the detection box. The setting of the metal spring sheet, the limit card block and the limit card slot can effectively limit the protective baffle and the detection box to prevent the protective baffle from falling off the surface of the detection box and the L-shaped guide plate. When the personnel pulls the metal spring sheet to move and drives the limit card block to detach from the surface of the limit card slot, the personnel can slide and remove the protective baffle from the front of the detection box, thereby facilitating the personnel to perform maintenance operations on the components inside the detection box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the air guide box of the utility model;

[0018] Figure 3 This is a front sectional structural diagram of the detection box of the utility model;

[0019] Figure 4 It is a schematic diagram of the right side cross-sectional structure of the detection box of the utility model.

[0020] In the figure: 1, the main body of the high-voltage switchgear cabinet; 2, rubber supports; 3, heat dissipation openings; 4, rat-proof net frames; 5, cabinet doors; 6, grounding wires; 7, detection boxes; 8, audible and visual alarms; 9, air guide boxes; 10, air filters; 11, heat dissipation fans; 12, ceramic insulating plates; 13, magnetron switches; 14, iron rods; 15, protective baffles; 16, metal elastic pieces; 17, limit blocks; 18, L-shaped guide plates; 19, limit card slots; 20, rubber rings. Specific embodiments

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

[0022] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation manner of the present invention. The "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selectively exclusive embodiment from other embodiments.

[0023] Embodiment 1:

[0024] Please refer to Figure 1 , Figure 3 and Figure 4 As shown in the figure, the present invention provides a detection device for a high-voltage power distribution and electrical control system, including the main body 1 of the high-voltage switchgear cabinet. An audible and visual alarm 8 is fixedly installed at the right end of the top of the outer surface of the main body 1 of the high-voltage switchgear cabinet. A detection box 7 is fixedly connected to the lower end of the right side of the outer surface of the main body 1 of the high-voltage switchgear cabinet. A magnetron switch 13 is fixedly installed at the bottom of the inner cavity of the detection box 7. A ceramic insulating plate 12 is fixedly connected to the lower end of the right side of the inner cavity of the detection box 7. An iron rod 14 is fixedly connected to the left end of the ceramic insulating plate 12. A grounding wire 6 is wound around the upper end of the iron rod 14. The left side of the grounding wire 6 is fixedly connected to the lower end of the right side of the outer surface of the main body 1 of the high-voltage switchgear cabinet.

[0025] In this technical solution, through the setting of the grounding wire 6, when the electrical control system components inside the high-voltage power distribution cabinet body 1 are leaking electricity, the current can be conducted to the ground for grounding, thus achieving the effect of grounding protection when electric leakage occurs. And when electric leakage occurs, since there is current inside the grounding wire 6 wound around the iron rod 14, according to the principle of electromagnetic induction, it can be known that the iron rod 14 can generate a certain magnetic force at this time, and under the action of the magnetic force, the contacts inside the magnetic control switch 13 are closed, so that the circuit of the sound and light alarm 8 can be connected, and an effective alarm prompt can be given to the surrounding personnel, thus achieving the effect of detecting and alarming when the electrical control system components inside the high-voltage power distribution cabinet body 1 are leaking electricity, so that personnel can timely discover the electric leakage and make corresponding safety treatments, which is beneficial for personnel to use.

[0026] Embodiment 2:

[0027] On the basis of Embodiment 1, as shown in the present utility model Figures 1-4 a rubber ring 20 is fixedly connected to the middle end on the right side of the detection box 7, the surface of the grounding wire 6 is movably connected to the surface of the rubber ring 20, rubber supports 2 are fixedly connected to the bottom of the outer surface of the high-voltage power distribution cabinet body 1, the number of the rubber supports 2 is four, a wind guide box 9 is fixedly connected to the middle end on the top of the high-voltage power distribution cabinet body 1, an air filter screen 10 is fixedly installed at the upper end of the inner cavity of the wind guide box 9, a heat dissipation fan 11 is fixedly installed at the lower end of the inner cavity of the wind guide box 9, a cabinet door 5 is movably connected to the left end of the front surface of the high-voltage power distribution cabinet body 1 through a hinge, a heat dissipation port 3 is opened at the lower end of the cabinet door 5, a rat-proof net frame 4 is fixedly connected to the lower end on the right side of the cabinet door 5, a limit card slot 19 is opened at the lower end of the front surface of the detection box 7, L-shaped guide plates 18 are fixedly connected to both ends of the front surface of the detection box 7, a protection baffle 15 is movably connected between the surfaces of the two L-shaped guide plates 18 and the front surface of the detection box 7, a metal elastic sheet 16 is fixedly connected to the lower end of the protection baffle 15, a limit card block 17 is fixedly connected to the lower end on the back of the metal elastic sheet 16, and the surface of the limit card block 17 is movably connected to the surface of the limit card slot 19.

[0028] In this technical solution, through the setting of the rubber ring 20, the contact between the grounding wire 6 and the detection box 7 is effectively avoided, thus preventing wear. Through the setting of the rubber support 2, the bottom of the high-voltage power distribution cabinet body 1 is supported, reducing the probability of moisture on the ground eroding the bottom of the high-voltage power distribution cabinet body 1. Through the setting of the air guide box 9 and the heat dissipation fan 11, the outside air can be driven to quickly blow into the high-voltage power distribution cabinet body 1, thereby achieving the effect of dissipating heat inside the high-voltage power distribution cabinet body 1. Through the setting of the air filter 10, the dust in the air flowing through the air guide box 9 can be effectively filtered. Through the setting of the cabinet door 5, it is convenient to protect the front of the high-voltage power distribution cabinet body 1. Through the setting of the heat dissipation port 3, it is beneficial for the heat inside the high-voltage power distribution cabinet body 1 to dissipate to the outside. Through the setting of the rat guard frame 4, rats are prevented from entering the high-voltage power distribution cabinet body 1 through the heat dissipation port 3 and biting the wires. Through the setting of the protective baffle 15 and the L-shaped guide plate 18, the front of the detection box 7 can be effectively protected. Through the setting of the metal elastic piece 16, the limit block 17 and the limit slot 19, the effective limit between the protective baffle 15 and the detection box 7 can be achieved, preventing the protective baffle 15 from falling off the surfaces of the detection box 7 and the L-shaped guide plate 18. And when the personnel move by pulling the metal elastic piece 16 and drive the limit block 17 to disengage from the surface of the limit slot 19, the personnel can slide the protective baffle 15 off the front of the detection box 7, thus facilitating the personnel to perform maintenance operations on the components inside the detection box 7.

[0029] The working principle of this utility model is: through the setting of the grounding wire 6, when the electrical control system components inside the high-voltage power distribution cabinet body 1 are leaking electricity, the current can be conducted to the ground, thus achieving the effect of ground protection when leakage occurs. And when leakage occurs, since there is current inside the grounding wire 6 wound around the iron rod 14, according to the principle of electromagnetic induction, it can be known that the iron rod 14 can generate a certain magnetic force at this time, and under the action of the magnetic force, the contacts inside the magnetic control switch 13 are closed, thereby being able to connect the circuit of the sound and light alarm 8 and give an effective alarm prompt to the surrounding personnel, thus achieving the effect of detecting and alarming when the electrical control system components inside the high-voltage power distribution cabinet body 1 are leaking electricity, so that the personnel can timely discover the leakage and make corresponding safety treatments, which is beneficial for the personnel to use.

[0030] Importantly, it should be noted that the construction and arrangement of the present application shown in multiple different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible without materially departing from the novel teachings and advantages of the subject matter described in this application (for example, changes in the dimensions, scales, structures, shapes and proportions of various elements, as well as parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, colors, orientations, etc.). For example, an element shown as integrally formed may be composed of multiple parts or elements, the positions of the elements may be inverted or otherwise changed, and the nature, number or position of discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structures that perform the recited function described herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to a particular embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0031] In addition, in order to provide a concise description of the exemplary embodiments, all features of the actual embodiments may not be described (i.e., those features that are not relevant to the best mode currently contemplated for carrying out the present utility model or those features that are not relevant to the implementation of the present utility model).

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit the protection scope of the present utility model. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model may be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present utility model.

Claims

1. High-voltage distribution electric control system detection device, including the high-voltage power distribution cabinet body (1), characterized in that: A sound and light alarm (8) is fixedly installed at the right end of the top surface of the high-voltage switchgear body (1). A detection box (7) is fixedly connected to the lower end of the right side of the outer surface of the high-voltage switchgear body (1). A magnetic control switch (13) is fixedly installed at the bottom of the inner cavity of the detection box (7). A ceramic insulating plate (12) is fixedly connected to the lower end of the right side of the inner cavity of the detection box (7). An iron rod (14) is fixedly connected to the left end of the ceramic insulating plate (12). A grounding wire (6) is wound around the upper end of the iron rod (14). The left side of the grounding wire (6) is fixedly connected to the lower end of the right side of the outer surface of the high-voltage switchgear body (1).

2. The high-voltage power distribution electric control system detection device according to claim 1, characterized in that: A rubber ring (20) is fixedly connected to the middle of the right side of the detection box (7). The surface of the grounding wire (6) is movably connected to the surface of the rubber ring (20).

3. The high-voltage power distribution electric control system detection device according to claim 1, characterized in that: Rubber supports (2) are fixedly connected to the bottom of the outer surface of the high-voltage switchgear body (1). The number of the rubber supports (2) is four.

4. The high-voltage power distribution electric control system detection device according to claim 1, characterized in that: An air guide box (9) is fixedly connected to the middle of the top of the high-voltage switchgear body (1). An air filter (10) is fixedly installed at the upper end of the inner cavity of the air guide box (9). A heat dissipation fan (11) is fixedly installed at the lower end of the inner cavity of the air guide box (9).

5. The high-voltage power distribution electric control system detection device according to claim 1, characterized in that: A cabinet door (5) is movably connected to the left end of the front surface of the high-voltage switchgear body (1) through a hinge. A heat dissipation port (3) is opened at the lower end of the cabinet door (5). A rat-proof net frame (4) is fixedly connected to the lower end of the right side of the cabinet door (5).

6. The high-voltage power distribution electric control system detection device according to claim 1, characterized in that: A limit card slot (19) is opened at the lower end of the front surface of the detection box (7). L-shaped guide plates (18) are fixedly connected to both ends of the front surface of the detection box (7). A protective baffle (15) is movably connected between the surfaces of the two L-shaped guide plates (18) and the front surface of the detection box (7).

7. The high-voltage power distribution electric control system detection device according to claim 6, characterized in that: A metal elastic sheet (16) is fixedly connected to the lower end of the protective baffle (15). A limit card block (17) is fixedly connected to the lower end of the back surface of the metal elastic sheet (16). The surface of the limit card block (17) is movably connected to the surface of the limit card slot (19).

Citation Information

Patent Citations

  • Adjustable high-voltage power distribution cabinet

    CN221150705U