Mining high-voltage power supply control device

By using heat dissipation wings and infrared temperature detectors in the mining high-voltage power supply control device for internal heat dissipation and temperature monitoring, and using fire extinguishing components to spray carbon tetrachloride fire extinguishing raw materials when sparks occur, the spark safety hazards caused by excessive heat in the device are solved, and the effect of improving safety and reducing losses is achieved.

CN222654594UActive Publication Date: 2025-03-21JINING MINING GRP HAINA TECH ELECTROMECHANICAL CO
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Patent Information

Application Number
CN202421319789.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-21
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

After a long time of use, the existing high-voltage power supply control device for mining has excessive internal heat caused the wire to soften, which may cause sparks and pose a safety hazard.

Method used

A high-voltage power supply control device for mining is designed, using heat dissipation fins to dissipate internal heat, and the temperature is monitored through an infrared temperature detector, and the circuit is disconnected when the temperature is too high; at the same time, fire extinguishing components are set on both sides of the control box, and carbon tetrachloride extinguishing raw materials are sprayed to extinguish the fire.

Benefits of technology

It effectively reduces the safety hazards of high-voltage power supply control devices, avoids internal fires, and cuts off power when sparks occur, improving safety and reducing potential losses.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a mining high-voltage power supply control device and relates to the technical field of mining equipment, in particular to a control box for high-voltage power supply, which comprises radiating fins arranged in a back side plate of the control box in a penetrating manner, and three movable doors movably arranged on one side, far away from the radiating fins, of the control box, a preset number of supporting plates are fixedly arranged in the control box, symmetrical partition plates are fixedly arranged in the control box, and the two supporting plates and the interior of the control box are divided into an instrument chamber, a vacuum circuit breaker chamber and a maintenance chamber; the fire extinguishing assemblies are symmetrically arranged on the two sides of the control box and arranged in the control box in an extending mode. The circuit element is fixedly arranged in the instrument chamber; and the mounting frame is fixedly arranged in the maintenance room. The high-voltage power supply control device has the advantages of reducing potential safety hazards, avoiding internal fire of the high-voltage power supply control device, cutting off power when sparks are generated in the high-voltage power supply control device, improving safety, reducing loss and the like.
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Description

Technical Field

[0001] The utility model relates to the technical field of mining equipment, in particular to a mining high-voltage power supply control device. Background Art

[0002] The mine high-voltage power supply control equipment is composed of the mine substations at all levels and the distribution lines of various voltage levels. The mine power supply system generally adopts two typical methods: deep well power supply system, shallow well power supply system and horizontal shaft power supply system.

[0003] In the prior art, such as Chinese patent number CN202321828554.1, a flameproof and intrinsically safe power supply control device for mining is disclosed, which includes a box and a display screen; a display screen is provided on one side of the top of the box, buttons are evenly provided on one side of the box below the display screen, cable entry devices are evenly provided on both sides of the top of the box, and a protective structure is fixed at the middle position of the top of the box; heat dissipation structures are provided on both sides of the bottom of the box, and the heat dissipation structure includes a heat conducting plate, heat dissipation fins and fixing bolts, and the heat conducting plates are provided on both sides of the bottom of the box.

[0004] The above technical features have the following shortcomings: At present, the high-voltage power supply control device for mining uses heat conduction plates and heat dissipation fins to dissipate heat and reduce the heat dissipated inside the high-voltage distribution cabinet. Even when the heat is dissipated inside the control device, the internal guide of the high-voltage power supply control device is used for a long time, and excessive heat is generated, and the wires soften, so that sparks inside the control device cannot be avoided, posing a safety hazard. In view of this, a high-voltage power supply control device for mining is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to address the above-mentioned deficiencies and to propose a high-voltage power supply control device for mining, so as to reduce potential safety hazards of the high-voltage power supply control device, avoid fire inside the high-voltage power supply control device, and cut off power when sparks are generated inside the high-voltage power supply control device, thereby improving safety and reducing losses.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solution: a high-voltage power supply control device for mining, a control box for high-voltage power supply, comprising:

[0007] The heat dissipation fins are arranged through the inside of the back side plate of the control box, the control box is movably provided with three movable doors on the side away from the heat dissipation fins, a preset number of support plates are fixedly arranged inside the control box, symmetrical partitions are fixedly arranged inside the control box, and the two support plates and the inside of the control box are divided into an instrument room, a vacuum circuit breaker room and a maintenance room;

[0008] The fire extinguishing assembly is symmetrically arranged on both sides of the control box and extended inside the control box;

[0009] Circuit components are fixedly installed inside the instrument room;

[0010] A vacuum circuit breaker element is fixedly arranged inside the vacuum circuit breaker chamber;

[0011] An installation frame is fixedly arranged inside the maintenance room;

[0012] An infrared temperature detector is fixedly installed inside the control box;

[0013] The fire extinguishing assembly includes a fire extinguisher tank body fixedly arranged on both sides of the control box, a switch controller fixedly arranged on the top of the fire extinguisher tank body, a connecting pipe fixedly arranged on the top of the switch controller, a conduit fixedly arranged on the outer wall of the connecting pipe, an electric control valve fixedly arranged inside the conduit, and a spray disc fixedly arranged on the end of the conduit.

[0014] Preferably, the outer wall of the movable door is movably connected to a support plate, the number of the support plates is two, a display screen is fixedly provided on the outer wall of the movable door, and a button is movably provided on the outer wall of the movable door.

[0015] Preferably, the top of the spray disc is fixedly connected to the support plate, a cavity is provided inside the spray disc, and a spray hole is opened at the bottom of the spray disc.

[0016] Preferably, the number of the conduit, the number of the electric control valve and the number of the spray disc are three.

[0017] Preferably, the circuit element comprises a control switch, a wire is fixedly mounted on an outer wall of the control switch, and a fuse protector is fixedly mounted in the middle of the wire.

[0018] Preferably, a conductor is fixedly mounted on the outer wall of the vacuum circuit breaker element, and an overload protector is provided in the middle of the conductor.

[0019] Preferably, the outer wall of the mounting frame is threadedly connected with bolts, and the bolts are threadedly connected to the partition.

[0020] Compared with the prior art, the advantages and positive effects of the utility model are:

[0021] In the utility model, the heat dissipation inside the control box is performed by the heat dissipation fins, and the control box is divided into an instrument room, a vacuum circuit breaker room and a maintenance room by the support plate and the symmetrical partitions; then the temperature of the wire, the conductor and the vacuum circuit breaker element is detected by the infrared temperature detector, and when the detected temperature is too high and starts to burn, the fuse protector is disconnected, the power to the wire is cut off, and the switch controller on the fire extinguisher tank is opened, and the electric control valve on the conduit is opened, and the carbon tetrachloride fire extinguishing material enters the spray plate through the connecting pipe and the conduit, and the carbon tetrachloride fire extinguishing material is sprayed out by the spray plate to extinguish the fire of the wire, the circuit element and the vacuum circuit breaker element, thereby reducing the safety hazard of the high-voltage power supply control device, avoiding the internal fire of the high-voltage power supply control device, and cutting off the power when sparks are generated inside the high-voltage power supply control device, thereby improving safety and reducing losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the control box of the utility model;

[0024] Figure 3 It is a three-dimensional structural schematic diagram of the fire extinguishing assembly of the utility model;

[0025] Figure 4 It is a three-dimensional structural schematic diagram of the circuit element of the utility model.

[0026] Legend:

[0027] 1. Control box; 2. Heat sink; 3. Movable door; 4. Fire extinguishing assembly; 41. Fire extinguisher tank; 42. Switch controller; 43. Connecting pipe; 44. Conduit; 45. Electric control valve; 46. Spray disc; 5. Support plate; 6. Partition; 8. Circuit element; 81. Control switch; 82. Wire; 83. Fuse protector; 9. Instrument room; 10. Vacuum circuit breaker room; 11. Vacuum circuit breaker element; 12. Maintenance room; 13. Installation frame; 14. Infrared temperature detector. DETAILED DESCRIPTION

[0028] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0030] like Figure 1-4 As shown, the utility model provides a high-voltage power supply control device for mining, a control box 1 for high-voltage power supply, comprising:

[0031] The heat dissipation fin 2 is arranged through the inside of the back side plate of the control box 1. The control box 1 is used to support the heat dissipation fin 2, the movable door 3, the support plate 5 and the partition 6. The control box 1 is movably provided with three movable doors 3 on the side away from the heat dissipation fin 2. The heat dissipation fin 2 is used to dissipate heat inside the control box 1. A mounting plate is fixedly arranged on the back of the control box 1. Heat dissipation holes are opened inside the mounting plate. A preset number of support plates 5 are fixed inside the control box 1. Symmetrical partitions 6 are fixed inside the control box 1. The partitions 6 are fixedly connected to the support plates 5. The two support plates 5 and the inside of the control box 1 are divided into an instrument room 9, a vacuum circuit breaker room 10 and a maintenance room 12;

[0032] The fire extinguishing assembly 4 is symmetrically arranged on both sides of the control box 1 and is extended inside the control box 1. The control box 1 is used to support the fire extinguishing assembly 4;

[0033] The circuit element 8 is fixedly installed inside the instrument room 9, and the circuit element 8 is used to control the vacuum circuit breaker element 11;

[0034] The vacuum circuit breaker element 11 is fixedly disposed inside the vacuum circuit breaker chamber 10, and the vacuum circuit breaker chamber 10 is used to support the vacuum circuit breaker element 11;

[0035] The mounting frame 13 is fixedly arranged inside the maintenance room 12. The maintenance room 12 is used to support the mounting frame 13. The maintenance room 12 is used to inspect and maintain the circuit element 8 and the vacuum circuit breaker element 11;

[0036] The infrared temperature detector 14 is fixedly arranged inside the control box 1. The control box 1 and the partition 6 are used to support the infrared temperature detector 14. The infrared temperature detector 14 is used to detect the surface temperature of the circuit element 8, the wire 82, the instrument room 9, the vacuum circuit breaker room 10, and the vacuum circuit breaker element 11 to prevent burning due to excessive temperature.

[0037] The fire extinguishing assembly 4 includes a fire extinguisher tank 41 fixedly arranged on both sides of the control box 1, a switch controller 42 is fixedly arranged on the top of the fire extinguisher tank 41, a connecting pipe 43 is fixedly arranged on the top of the switch controller 42, a conduit 44 is fixedly arranged on the outer wall of the connecting pipe 43, an electric control valve 45 is fixedly arranged inside the conduit 44, and a spray disc 46 is fixedly arranged at the end of the conduit 44. The temperature detected by the infrared temperature detector 14 is too high, and the switch controller 42 is controlled to be opened. The carbon tetrachloride inside the fire extinguisher tank 41 passes through the connecting pipe 43, the conduit 44 and the spray disc 46, and controls the electric control valve 45 to open, and is sprayed out through the spray disc 46 to spray and extinguish the circuit element 8, the wire 82, the instrument room 9, the vacuum circuit breaker room 10, and the vacuum circuit breaker element 11.

[0038] It should be noted that, in this embodiment, the outer wall of the movable door 3 is movably connected to the support plate 5, the number of the support plates 5 is two, a display screen is fixedly provided on the outer wall of the movable door 3, buttons are movably provided on the outer wall of the movable door 3, and the movable door 3 is opened for inspection of internal components.

[0039] Furthermore, the top of the spray plate 46 is fixedly connected to the support plate 5, a cavity is provided inside the spray plate 46, and a spray hole is opened at the bottom of the spray plate 46. The spray plate 46 is used to spray carbon tetrachloride fire extinguishing raw materials to extinguish fire.

[0040] It should be noted that the number of the conduit 44 , the electric control valve 45 and the spray disc 46 are all three, and the conduit 44 , the electric control valve 45 and the spray disc 46 are used to transport carbon tetrachloride.

[0041] It should be noted that the circuit element 8 includes a control switch 81 , a wire 82 is fixedly mounted on the outer wall of the control switch 81 , a fuse protector 83 is fixedly mounted in the middle of the wire 82 , and the fuse protector 83 is used to protect the wire 82 .

[0042] It should be further supplemented that a conductor is fixedly mounted on the outer wall of the vacuum circuit breaker element 11 , and an overload protector is arranged in the middle of the conductor, and the overload protector is used to protect the conductor of the vacuum circuit breaker element 11 .

[0043] It should be further explained that bolts are threadedly connected to the outer wall of the mounting frame 13 , and the bolts are threadedly connected to the partitions 6 , and the mounting frame 13 is installed between the partitions 6 by means of the bolts.

[0044] The use method and working principle of the device are as follows: first, a partition 6 and a support plate 5 are used to form a compartment inside the control box 1, and a space is formed between the opposite sides of the two partitions 6 and the control box 1 to protect the connecting pipe 43. Then, the heat is dissipated inside the control box 1 through the heat dissipation fins 2 and the heat dissipation holes. The infrared temperature detector 14 detects the surface temperature of the circuit element 8, the wire 82, the instrument room 9, the vacuum circuit breaker room 10, and the vacuum circuit breaker element 11. When combustion occurs, the switch controller 42 and the electric control valve 45 on the top of the fire extinguisher tank 41 are controlled to open, and the carbon tetrachloride fire extinguishing material inside the fire extinguisher tank 41 enters the spray disc 46 through the connecting pipe 43 and the conduit 44, and then is sprayed on the outer wall of the circuit element 8, the wire 82 and the vacuum circuit breaker element 11 through the spray disc 46. The fuse protector 83 cuts off the power to the wire 82, thereby reducing the safety hazard of the high-voltage power supply control device, avoiding fire inside the high-voltage power supply control device, and cutting off the power when sparks are generated inside the high-voltage power supply control device, thereby improving safety and reducing losses.

[0045] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A high voltage power supply control device for mining, a control box (1) for high voltage power supply, characterized in that: include: A heat dissipation fin (2) is provided through the interior of a back side plate of a control box (1); three movable doors (3) are movably provided on a side of the control box (1) away from the heat dissipation fin (2); a preset number of support plates (5) are fixedly provided inside the control box (1); symmetrical partitions (6) are fixedly provided inside the control box (1); two support plates (5) and the interior of the control box (1) are partitioned into an instrument room (9), a vacuum circuit breaker room (10) and a maintenance room (12); A fire extinguishing assembly (4) is symmetrically arranged on both sides of the control box (1) and extends inside the control box (1); A circuit element (8) is fixedly mounted inside the instrument chamber (9); A vacuum circuit breaker element (11) is fixedly arranged inside the vacuum circuit breaker chamber (10); A mounting frame (13) is fixedly arranged inside the maintenance room (12); An infrared temperature detector (14) is fixedly arranged inside the control box (1); The fire extinguishing assembly (4) comprises a fire extinguisher tank (41) fixedly arranged on both sides of the control box (1), a switch controller (42) fixedly arranged on the top of the fire extinguisher tank (41), a connecting pipe (43) fixedly arranged on the top of the switch controller (42), a conduit (44) fixedly arranged on the outer wall of the connecting pipe (43), an electric control valve (45) fixedly arranged inside the conduit (44), and a spray disc (46) fixedly arranged at the end of the conduit (44).

2. A high voltage power supply control device for mining according to claim 1, characterized in that: The outer wall of the movable door (3) is movably connected to a support plate (5), the number of the support plates (5) is two, a display screen is fixedly provided on the outer wall of the movable door (3), and a button is movably provided on the outer wall of the movable door (3).

3. A high voltage power supply control device for mining according to claim 1, characterized in that: The top of the spray disc (46) is fixedly connected to the support plate (5), a cavity is provided inside the spray disc (46), and a spray hole is provided at the bottom of the spray disc (46).

4. A high voltage power supply control device for mining according to claim 1, characterized in that: The number of the conduit (44), the electric control valve (45) and the spray disc (46) is three.

5. A high voltage power supply control device for mining according to claim 1, characterized in that: The circuit element (8) comprises a control switch (81), a wire (82) is fixedly mounted on the outer wall of the control switch (81), and a fuse protector (83) is fixedly mounted in the middle of the wire (82).

6. A high voltage power supply control device for mining according to claim 1, characterized in that: A conductor is fixedly mounted on the outer wall of the vacuum circuit breaker element (11), and an overload protector is arranged in the middle of the conductor.

7. A high voltage power supply control device for mining according to claim 1, characterized in that: The outer wall of the mounting frame (13) is threadedly connected with bolts, and the bolts are threadedly connected to the partition plate (6).

Citation Information

Patent Citations

  • Explosion-proof and intrinsically-safe mining power supply control device

    CN220274154U