Vacuum load switch with explosion-proof function

By introducing cooling, protection and control mechanisms into the vacuum load switch, glass columns, dry powder and carbon dioxide are used to isolate the air, the problem of continued combustion after the device explodes is solved, improving safety and reducing operating risks.

CN119153260APending Publication Date: 2024-12-17ZHEJIANG GULI POWER GENERATION ELECTRIC CO LTD
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Patent Information

Application Number
CN202411428149.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2024-12-17

AI Technical Summary

Technical Problem

The existing vacuum load switches are difficult to prevent the device from continuing to burn after an explosion, which poses a safety hazard.

Method used

A vacuum load switch with explosion-proof function is designed, including a cooling mechanism, a protective mechanism and a control mechanism. Dry powder is sprayed through the broken glass column, the airbag releases carbon dioxide, and the nail plate squeezes the airbag to isolate the airbag, and the cooling system and servo motor control are combined. , realize explosion-proof and cooling of the device.

Benefits of technology

Effectively block further combustion inside the device, improving safety during use, and controlling the high-voltage circuit through low-voltage circuits, reducing the risk of electric shock during operation, and improving the practicality and overall safety of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a vacuum load switch with an explosion-proof function, and relates to the technical field of vacuum load switches. The vacuum load switch with the explosion-proof function comprises a cooling mechanism, a main body mechanism is fixedly arranged at the upper end of the cooling mechanism, a control mechanism is fixedly arranged in the middle of the front face of the main body mechanism, a protection mechanism is fixedly arranged at the upper end of the main body mechanism, and a mounting mechanism is fixedly arranged at the lower end of the cooling mechanism. Circulating pipelines are fixedly arranged on the two sides of the rear end of the cooling mechanism, the upper ends of the two circulating pipelines are fixed to the rear end of the main body mechanism, the control mechanism comprises a second control box, and a first servo motor is fixedly arranged on one side in the second control box. The peripheral nail plates are extruded outwards, the air bag is punctured, a carbon dioxide layer in the air bag is released, air in the device is removed, the possibility of further combustion in the device is blocked, and the safety of the device during use is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of vacuum load switches, in particular to a vacuum load switch with an explosion-proof function. Background Art

[0002] The existing patent (publication number: CN221101934U) discloses "a load switch with explosion-proof function, including a device body, a bottom shell is fixedly installed on the bottom of the device body, a pressure gauge is fixedly installed on the outer edge of the device body, and a heat sink is fixedly installed on the outer wall of the device body. The load switch with explosion-proof function is provided with a slide rod, a drive spring, and a blocking plate. When the switch is in normal working state, the blocking plate is in the inner cavity of the exhaust pipe under the action of the drive spring and the connecting rod, and the inner cavity of the exhaust pipe is blocked. When the inner cavity of the device body deflagrates, the gas in the inner cavity of the device body will expand and move outward rapidly, squeezing the blocking plate, so that the blocking plate moves backward to the position of the venting groove, and quickly releases the gas generated by the deflagration in the inner cavity of the device body, which can effectively avoid the explosion of the device body."

[0003] In the process of realizing the present application, the inventors found that the existing equipment, when in use, can usually only eliminate the energy generated at the moment of combustion and explosion of the device, and the vacuum load switch is usually connected to the outdoor line. After the explosion, if it continues to burn, it will still have a great impact on the line. Therefore, the overall safety of the existing equipment is not good. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a vacuum load switch with explosion-proof function, which solves the problem that it is difficult to prevent the existing switch from continuing to burn after the device explodes during use, thus causing safety hazards.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A vacuum load switch with explosion-proof function, including a cooling mechanism, a main body mechanism is fixedly arranged on the upper end of the cooling mechanism, a control mechanism is fixedly arranged at the middle position of the front of the main body mechanism, a protection mechanism is fixedly arranged on the upper end of the main body mechanism, a mounting mechanism is fixedly arranged on the lower end of the cooling mechanism, and circulation pipes are fixedly arranged on both sides of the rear end of the cooling mechanism, and the upper ends of the two circulation pipes are fixed to the rear end of the main body mechanism; The control mechanism includes a second control box, a first servo motor is fixedly arranged on one side of the second control box, a second servo motor is fixedly arranged on the other side of the second control box, a first connecting disk is fixedly arranged on the output end of the first servo motor, first connecting rods are fixedly arranged on both ends of the first connecting disk, a second connecting disk is fixedly arranged on the output end of the second servo motor, and second connecting rods are fixedly arranged on both ends of the second connecting disk.

[0006] Preferably, a battery is fixedly installed inside the second control box, the battery is electrically connected to the first servo motor and the second servo motor, the first control box is fixedly installed at the front end of the second control box, and the first control panel is fixedly installed in the middle position of the front of the first control box.

[0007] Preferably, energy storage rods are fixedly provided at the front ends of the two first connecting rods, and opening and closing knobs are fixedly provided at the front ends of the two second connecting rods. The energy storage rods are rotatably provided on the surface of the first control box, and the opening and closing knobs are rotatably provided on the surface of the first control box.

[0008] Preferably, the protection mechanism comprises a protection box, an upper cover is fixedly provided on the upper surface of the protection box, and a lifting block is fixedly provided at a middle position on the upper surface of the upper cover.

[0009] Preferably, a dry powder box is fixedly arranged inside the protective box, a plurality of nozzles are fixedly arranged at the bottom of the dry powder box, a protective block is fixedly arranged at the lower end of each of the plurality of nozzles, and a glass column is fixedly arranged inside each of the plurality of protective blocks.

[0010] Preferably, the main body structure comprises a main body box, airbags are fixedly provided on the inner walls around the main body box, a carbon dioxide layer is movably provided inside the airbag, and nail plates are slidably provided on the inner walls around the main body box.

[0011] Preferably, an inner protective plate is fixedly provided on the outer surface of the main box, a cooling pipe is fixedly provided on the outer surface of the inner protective plate, an outer protective plate is fixedly provided on the outer surface of the cooling pipe, rain shields are fixedly provided at the middle positions on both sides of the outer protective plate, a switch body is fixedly provided inside the main box, a plurality of terminal heads are fixedly provided on both sides of the switch body, and connecting plates are fixedly provided on both sides of the upper end of the switch body.

[0012] Preferably, the cooling mechanism includes a cooling box, a second control panel is fixedly arranged in the middle position of the front of the cooling box, a liquid filling port is fixedly arranged on one side of the front of the cooling box, a circulating pump is fixedly arranged inside the cooling box, and the output end of the circulating pump is connected to the cooling pipe and the circulating pipe.

[0013] Preferably, a heat sink is fixedly provided at the bottom end of the cooling box, a plurality of ventilation holes are provided on the outer surface around the heat sink, a refrigeration plate is fixedly provided on the top surface of the heat sink, and a plurality of heat dissipation fans are fixedly provided at the bottom end of the refrigeration plate.

[0014] Preferably, the mounting mechanism comprises a top plate, a supporting frame is fixedly provided at the bottom end of the top plate, a side plate is fixedly provided at the rear end of the supporting frame, and mounting holes are provided at four corners of the side plate.

[0015] Working principle: When the device is in use, the user can fix the side plate of the mounting mechanism to the wall door through the mounting hole and the bolts, connect the line to the device through the terminal head, and complete the installation of the device when it is used as a whole. After the installation is completed, during use, the user can control the rotation of the first servo motor and the second servo motor through the control panel. When the first servo motor rotates, it can drive the first connecting plate to rotate, and then drive the energy storage pull rod to rotate through the first connecting rod, and the second servo motor drives the second connecting plate to rotate. The second connecting rod drives the opening and closing knob to rotate to achieve control of the device. In daily use of the device, the user can add refrigerant through the injection port, start the circulation pump through the second control panel, combine the cooling pipe and the circulation pipe to make the insulating oil flow in the main mechanism, and cool down the device through the refrigeration plate. When the temperature inside the device is too high and combustion occurs, the glass column breaks due to heat, and the dry powder in the dry powder box sprays out. At the same time, the internal heat expansion of the device drives the nail plates on both sides to squeeze outward, punctures the airbag, releases carbon dioxide, isolates the air inside the device, prevents further combustion inside, and achieves explosion-proof function.

[0016] The present invention provides a vacuum load switch with explosion-proof function. It has the following beneficial effects: 1. The present invention provides a vacuum load switch with explosion-proof function. Compared with the existing vacuum load switch, the vacuum load switch is provided with a main body mechanism and a protective mechanism. When the user uses the device, when the temperature inside the device rises, the glass column in the protective block is broken, the nozzle is opened, and the dry powder in the dry powder box is sprayed out to cover the switch body inside the device, thereby blocking possible combustion inside the device. At the same time, the device expands due to heat, and the surrounding nail plates are squeezed outward, the airbag is punctured, the carbon dioxide layer in the airbag is released, and the air in the device is removed, thereby blocking the possibility of further combustion inside the device, thereby improving the safety of the device when in use.

[0017] 2. The present invention provides a vacuum load switch with an explosion-proof function. Compared with the existing vacuum load switch, the vacuum load switch is provided with a control mechanism, and a battery, a first servo motor and a second servo motor are arranged inside the control mechanism. When the user uses it, the battery can provide power to the first servo motor and the second servo motor. The user can control the first servo motor and the second servo motor through the first control panel to drive the energy storage pull rod and the opening and closing knob to rotate, thereby realizing the function of controlling the high-voltage circuit through the low-voltage circuit, reducing the risk of electric shock during the operation of the device, and improving the overall practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a first axonometric schematic diagram of the present invention; Figure 2 is a second axonometric schematic diagram of the present invention; Figure 3 is a third axonometric schematic diagram of the present invention; Figure 4 is a cross-sectional schematic diagram of the control mechanism of the present invention; Figure 5 is a cross-sectional schematic diagram of the cooling mechanism of the present invention; Figure 6 is a cross-sectional schematic diagram of the protection mechanism of the present invention; Figure 7 It is a cross-sectional schematic diagram of the main mechanism of the present invention.

[0019] Among them, 1. protection mechanism; 2. main mechanism; 3. control mechanism; 4. cooling mechanism; 5. installation mechanism; 6. circulation pipeline; 101. lifting block; 102. upper cover; 103. protection box; 104. dry powder box; 105. nozzle; 106. glass column; 107. protection block; 201. rain shield; 202. terminal; 203. connecting plate; 204. airbag; 205. carbon dioxide layer; 206. nail plate; 207. switch body; 208. cooling pipeline; 209. outer protection plate; 210. inner protection plate; 211. main box; 301. energy storage rod; 302 , first control box; 303, first control panel; 304, opening and closing knob; 305, first connecting plate; 306, first servo motor; 307, second control box; 308, first connecting rod; 309, second connecting plate; 310, second servo motor; 311, second connecting rod; 312, battery; 401, cooling box; 402, second control panel; 403, filling port; 404, vent; 405, circulating pump; 406, refrigeration plate; 407, heat dissipation box; 408, cooling fan; 501, top plate; 502, side plate; 503, support frame; 504, mounting hole. DETAILED DESCRIPTION

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

[0021] like Figure 1-7As shown, an embodiment of the present invention provides a vacuum load switch with an explosion-proof function, including a cooling mechanism 4, which is conducive to reducing the temperature of the device when in use and improving the safety of the device when in use. A main body mechanism 2 is fixedly arranged on the upper end of the cooling mechanism 4, which is conducive to realizing the basic use function of the device as a switch. A control mechanism 3 is fixedly arranged at the middle position of the front of the main body mechanism 2, which is convenient for the user to control the working state of the device. A protective mechanism 1 is fixedly arranged on the upper end of the main body mechanism 2, which is conducive to providing protection for the device as a whole. An installation mechanism 5 is fixedly arranged at the lower end of the cooling mechanism 4, which is convenient for the user to install the device as a whole. Circulation pipes 6 are fixedly arranged on both sides of the rear end of the cooling mechanism 4, and the upper ends of the two circulation pipes 6 are fixed to the rear end of the main body mechanism 2, which is convenient for realizing the refrigerant circulation inside the device.

[0022] The protection mechanism 1 includes a protection box 103, an upper cover 102 is fixedly provided on the upper surface of the protection box 103, and a lifting block 101 is fixedly provided in the middle position of the upper surface of the upper cover 102, so that the user can lift and install the device as a whole. A dry powder box 104 is fixedly provided inside the protection box 103, and a plurality of nozzles 105 are fixedly provided at the bottom of the dry powder box 104. A protection block 107 is fixedly provided at the lower end of the plurality of nozzles 105, and a glass column 106 is fixedly provided inside the plurality of protection blocks 107. When the temperature rises, the glass column 106 breaks, and the dry powder in the dry powder box 104 can be sprayed out through the nozzle 105 to cover the inside of the device to avoid further combustion and explosion.

[0023] The main body mechanism 2 includes a main body box 211, on the inner walls around which the airbags 204 are fixedly arranged, a carbon dioxide layer 205 is movably arranged inside the airbags 204, and nail plates 206 are slidably arranged on the inner walls around the main body box 211. After the internal air expands, the nail plates 206 can squeeze the airbags 204, puncture the airbags 204 to release the carbon dioxide, and achieve the function of isolating the air. An inner protective plate 210 is fixedly arranged on the outer surface of the main body box 211, a cooling pipe 208 is fixedly arranged on the outer surface of the inner protective plate 210, and an outer protective plate 209 is fixedly arranged on the outer surface of the cooling pipe 208, so as to facilitate the cooling function when the device is used. Rain shields 201 are fixedly arranged at the middle positions on both sides of the outer protective plate 209, which is beneficial to prevent the device from being affected by moisture. A switch body 207 is fixedly arranged inside the main body box 211, and a plurality of wiring heads 202 are fixedly arranged on both sides of the switch body 207. Connecting plates 203 are fixedly arranged on both sides of the upper end of the switch body 207, so as to facilitate the user to connect the line with the device.

[0024] The control mechanism 3 includes a second control box 307, a first servo motor 306 is fixedly arranged on one side of the second control box 307, a second servo motor 310 is fixedly arranged on the other side of the second control box 307, a first connecting disk 305 is fixedly arranged on the output end of the first servo motor 306, first connecting rods 308 are fixedly arranged on both ends of the first connecting disk 305, a second connecting disk 309 is fixedly arranged on the output end of the second servo motor 310, and second connecting rods 311 are fixedly arranged on both ends of the second connecting disk 309, so as to realize the function of controlling the working state of the device by rotating the first servo motor 306 and the second servo motor 310 when the device is in use.

[0025] A battery 312 is fixedly installed inside the second control box 307, and the battery 312 is electrically connected to the first servo motor 306 and the second servo motor 310, which is beneficial to provide a stable power source for the control mechanism 3. The first control box 302 is fixedly installed at the front end of the second control box 307, and the first control panel 303 is fixedly installed at the middle position of the front of the first control box 302, which is convenient for the user to control the overall working state of the device. The front ends of the two first connecting rods 308 are fixedly installed with energy storage rods 301, and the front ends of the two second connecting rods 311 are fixedly installed with opening and closing knobs 304. The energy storage rods 301 are rotatably installed on the surface of the first control box 302, and the opening and closing knobs 304 are rotatably installed on the surface of the first control box 302, which is convenient for the user to control the opening and closing of the device through the first servo motor 306 and the second servo motor 310, thereby realizing the function of controlling the high-voltage circuit through the low-voltage circuit and improving the safety of the device.

[0026] The cooling mechanism 4 includes a cooling box 401, and a second control panel 402 is fixedly provided in the middle position of the front of the cooling box 401, so that the user can adjust the overall working state of the cooling mechanism 4, and a liquid injection port 403 is fixedly provided on one side of the front of the cooling box 401, so that the user can add refrigerant into the device to achieve cooling, and a circulating pump 405 is fixedly provided inside the cooling box 401, and the output end of the circulating pump 405 is connected to the cooling pipe 208 and the circulating pipe 6, so as to realize the circulation of the refrigerant in the device, and a heat sink 407 is fixedly provided at the bottom end of the cooling box 401, and a plurality of ventilation holes 404 are provided on the outer surface around the heat sink 407, and a refrigeration plate 406 is fixedly provided on the top surface of the heat sink 407, so as to cool the circulating refrigerant, and a plurality of heat dissipation fans 408 are fixedly provided at the bottom end of the refrigeration plate 406, so as to release the heat generated by the refrigeration plate 406 during operation.

[0027] The mounting mechanism 5 includes a top plate 501, a supporting frame 503 is fixedly provided at the bottom end of the top plate 501, a side plate 502 is fixedly provided at the rear end of the supporting frame 503, and mounting holes 504 are provided at the four corners of the side plate 502. The user can fix the side plate 502 to the wall through the mounting holes 504 in combination with bolts to achieve the installation of the device when in use.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum load switch with explosion-proof function, comprising a cooling mechanism (4), characterized in that: The cooling mechanism (4) has a main body mechanism (2) fixedly disposed on the upper end thereof, a control mechanism (3) fixedly disposed at the middle position of the front face of the main body mechanism (2), a protection mechanism (1) fixedly disposed on the upper end of the main body mechanism (2), a mounting mechanism (5) fixedly disposed on the lower end of the cooling mechanism (4), and circulation pipes (6) fixedly disposed on both sides of the rear end of the cooling mechanism (4), the upper ends of the two circulation pipes (6) being fixed to the rear end of the main body mechanism (2); The control mechanism (3) comprises a second control box (307), a first servo motor (306) being fixedly arranged on one side of the second control box (307), a second servo motor (310) being fixedly arranged on the other side of the second control box (307), a first connecting disk (305) being fixedly arranged at the output end of the first servo motor (306), first connecting rods (308) being fixedly arranged at both ends of the first connecting disk (305), a second connecting disk (309) being fixedly arranged at the output end of the second servo motor (310), and second connecting rods (311) being fixedly arranged at both ends of the second connecting disk (309).

2. The vacuum load switch with explosion-proof function according to claim 1, characterized in that: A storage battery (312) is fixedly arranged inside the second control box (307), and the storage battery (312) is electrically connected to the first servo motor (306) and the second servo motor (310). A first control box (302) is fixedly arranged at the front end of the second control box (307), and a first control panel (303) is fixedly arranged at the middle position of the front of the first control box (302).

3. The vacuum load switch with explosion-proof function according to claim 1, characterized in that: The front ends of the two first connecting rods (308) are fixedly provided with energy storage rods (301), and the front ends of the two second connecting rods (311) are fixedly provided with opening and closing knobs (304). The energy storage rods (301) are rotatably provided on the surface of the first control box (302), and the opening and closing knobs (304) are rotatably provided on the surface of the first control box (302).

4. The vacuum load switch with explosion-proof function according to claim 1, characterized in that: The protection mechanism (1) comprises a protection box (103), an upper cover (102) is fixedly arranged on the upper surface of the protection box (103), and a lifting block (101) is fixedly arranged at the middle position of the upper surface of the upper cover (102).

5. The vacuum load switch with explosion-proof function according to claim 4, characterized in that: A dry powder box (104) is fixedly arranged inside the protection box (103), a plurality of nozzles (105) are fixedly arranged at the bottom of the dry powder box (104), a protection block (107) is fixedly arranged at the lower end of each of the nozzles (105), and a glass column (106) is fixedly arranged inside each of the protection blocks (107).

6. The vacuum load switch with explosion-proof function according to claim 1, characterized in that: The main body mechanism (2) comprises a main body box (211), air bags (204) are fixedly arranged on the inner walls around the main body box (211), a carbon dioxide layer (205) is movably arranged inside the air bag (204), and nail plates (206) are slidably arranged on the inner walls around the main body box (211).

7. The vacuum load switch with explosion-proof function according to claim 6, characterized in that: An inner protective plate (210) is fixedly arranged on the outer surface of the main body box (211), a cooling pipe (208) is fixedly arranged on the outer surface of the inner protective plate (210), an outer protective plate (209) is fixedly arranged on the outer surface of the cooling pipe (208), rain shields (201) are fixedly arranged at the middle positions on both sides of the outer protective plate (209), a switch body (207) is fixedly arranged inside the main body box (211), a plurality of wiring terminals (202) are fixedly arranged on both sides of the switch body (207), and connecting plates (203) are fixedly arranged on both sides of the upper end of the switch body (207).

8. The vacuum load switch with explosion-proof function according to claim 1, characterized in that: The cooling mechanism (4) comprises a cooling box (401), a second control panel (402) being fixedly arranged in the middle of the front of the cooling box (401), a liquid injection port (403) being fixedly arranged on one side of the front of the cooling box (401), a circulating pump (405) being fixedly arranged inside the cooling box (401), and an output end of the circulating pump (405) being connected to a cooling pipe (208) and a circulating pipe (6).

9. The vacuum load switch with explosion-proof function according to claim 8, characterized in that: A heat dissipation box (407) is fixedly arranged at the bottom end of the cooling box (401), a plurality of ventilation holes (404) are provided on the outer surface around the heat dissipation box (407), a cooling plate (406) is fixedly arranged on the inner top surface of the heat dissipation box (407), and a plurality of cooling fans (408) are fixedly arranged at the bottom end of the cooling plate (406).

10. The vacuum load switch with explosion-proof function according to claim 1, characterized in that: The mounting mechanism (5) comprises a top plate (501), a supporting frame (503) being fixedly arranged at the bottom end of the top plate (501), a side plate (502) being fixedly arranged at the rear end of the supporting frame (503), and mounting holes (504) being provided at the four corners of the side plate (502).