Mobile high-voltage switch cabinet

Abstract

The invention relates to the technical field of switch cabinets, in particular to a movable high-voltage switch cabinet which comprises a cabinet body, a switch assembly used for controlling a circuit is arranged in the cabinet body, a front door is arranged on one side of the cabinet body, a rear door is arranged on the other side of the cabinet body, and the front door and the rear door are both hinged to the cabinet body. The front door and the rear door are both provided with jacks used for being connected with a circuit. The jacks are electrically connected with a switch assembly in the cabinet body. The bottom of the cabinet body is provided with a plurality of universal wheels, the universal wheels are respectively arranged at four corners of the cabinet body, each universal wheel is provided with a brake, the cabinet body is also provided with a grounding needle, the grounding needle is in sliding connection with the cabinet body, the needle head of the grounding needle is arranged at the bottom and can extend out of the cabinet body, and the needle head of the grounding needle is used for being inserted into the ground. The cabinet body is further provided with a driving gear corresponding to the grounding pin, the grounding pin is provided with a driven rack corresponding to the driving gear, the driven rack is meshed with the driving gear, and the cabinet body is provided with a driving handle corresponding to the driving gear. And the grounding needle is fixed with the ground and realizes grounding.

Description

Technical Field

[0001] The invention relates to the technical field of switch cabinets, and in particular to a mobile high-voltage switch cabinet. Background Art

[0002] High-voltage switchgear is also called high-voltage distribution cabinet. High-voltage distribution cabinet refers to electrical products with voltage levels of 3.6kV~550kV, which are used for switching, controlling or protecting in power generation, transmission, distribution, power conversion and consumption of power systems. They mainly include high-voltage circuit breakers, high-voltage disconnectors and grounding switches, high-voltage load switches, high-voltage automatic reclosing and sectionalizers, high-voltage operating mechanisms, high-voltage explosion-proof distribution devices and high-voltage switchgear. 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] The high-voltage switchgear in the prior art is usually installed indoors and fixed. When the high-voltage switchgear needs to be temporarily installed at some construction sites such as construction sites, it is inconvenient to move the high-voltage switchgear and it is inconvenient to transport it as a whole. Summary of the invention

[0004] In order to solve the problem that the high-voltage switchgear in the prior art is usually installed indoors and fixed, and in some occasions where the high-voltage switchgear needs to be temporarily set up, the high-voltage switchgear is inconvenient to move and is overall inconvenient to transport, the present application provides a mobile high-voltage switchgear, and the specific solution is as follows.

[0005] A mobile high-voltage switch cabinet comprises a cabinet, wherein a switch assembly for controlling a circuit is arranged inside the cabinet, a front door is arranged on one side of the cabinet, and a rear door is arranged on the other side of the cabinet, wherein the front door and the rear door are both hinged to the cabinet, and jacks for connecting the circuit are arranged on the front door and the rear door, and the jacks are electrically connected to the switch assembly inside the cabinet; A plurality of universal wheels are arranged at the bottom of the cabinet, and the universal wheels are respectively arranged at the four corners of the cabinet, and each of the universal wheels is provided with a brake. A grounding pin is also arranged on the cabinet, and the grounding pin is slidably connected to the cabinet. The needle head of the grounding pin is arranged at the bottom and can extend out of the cabinet, and the needle head of the grounding pin is used to insert into the ground. A driving gear is also arranged on the cabinet corresponding to the grounding pin, and a driven rack is arranged on the grounding pin corresponding to the driving gear, and the driven rack is meshed with the driving gear. A driving handle is arranged on the cabinet corresponding to the driving gear, and the driving handle is rotatably connected to the cabinet and fixedly connected to the driving gear.

[0006] By adopting the above technical solutions, the mobile high-voltage switchgear not only has flexible mobility and convenient operability, but also effectively improves the safety performance of the equipment. The design of the front door and the rear door allows operators to easily connect or disconnect the circuit from both sides, improving work efficiency. The universal wheels and their brake functions ensure the stable placement of the equipment in different environments, making it easy to transport and position. The design of the grounding pin and its drive device, when inserted into the soil on construction sites and other occasions, can not only further position the cabinet and reduce the movement of the cabinet, but also quickly achieve effective grounding of electrical equipment when needed, thereby preventing the safety hazards caused by static electricity accumulation and current leakage. In addition, the coordinated use of the driving gear and the driven rack makes the extension and retraction of the grounding pin more reliable and stable, further improving the overall safety of the equipment.

[0007] Optionally, a grounding circuit is also provided on the grounding pin, one end of the grounding circuit is connected to the grounding pin, and the other end of the grounding circuit is connected to the switch component.

[0008] By adopting the above technical solution, the grounding line on the grounding pin can ensure a reliable electrical connection between the grounding pin and the switch assembly, thereby improving the overall safety of the equipment. When the grounding pin is inserted into the ground, the grounding line can quickly conduct current, effectively preventing overvoltage problems caused by static electricity accumulation and lightning strikes, and ensuring the safety of operators and the normal operation of equipment.

[0009] Optionally, an insulating film is provided on the driving handle, and the insulating film completely wraps the driving handle.

[0010] By adopting the above technical solution, the setting of the insulating film effectively prevents the operator from getting an electric shock when using the driving handle, thereby improving the safety of the equipment. At the same time, the insulating film wraps the entire driving handle, ensuring that the hand is completely isolated from the live parts during operation, further enhancing safety.

[0011] Optionally, the cabinet is provided with a plurality of grounding pins, and the cabinet is also provided with a driving gear and a driving handle corresponding to each grounding pin, the driving gear is meshed with the corresponding rack, and the driving handle is fixedly connected with the corresponding driving gear.

[0012] By adopting the above technical solution, the design of multiple grounding pins improves the grounding stability of the equipment and ensures the electrical safety performance. Each grounding pin is equipped with a driving gear and a driving handle, so that the operator can easily manually adjust the position of each grounding pin to ensure that the grounding pin is reliably inserted into the ground, thereby enhancing the adaptability and ease of use of the equipment.

[0013] Optionally, a limit bar is also provided in the cabinet, and the limit bar is slidably connected in the cabinet. The limit bar is embedded in the upper side of the driving gear. A limit rack is provided on the limit bar, and the limit rack can engage with the driving gear. A driving member is provided in the cabinet corresponding to the limit bar, and the driving member is used to drive the limit rack to move along the vertical direction of the cabinet.

[0014] By adopting the above technical solution, the limit bar can be driven to move by the driving member, and the driving gear can be limited by the limit bar. After the grounding pin is inserted into the ground or retracted, the driving gear can be fixed by the limit bar, thereby limiting the movement of the grounding pin and completing the fixation of the grounding pin.

[0015] Optionally, the driving member includes an electromagnet, which is arranged on the upper side of the limiting bar and is used to adsorb the limiting bar.

[0016] By adopting the above technical solution, the setting of the electromagnet enables the limit rack to be quickly adsorbed and fixed when needed, and the position of the limit bar can be adjusted more conveniently.

[0017] Optionally, the electromagnet uses an independent power supply.

[0018] By adopting the above technical solution, the electromagnet can independently control the movement of the limit bar, thereby reducing the situation where the power supply affects the movement of the limit bar.

[0019] Optionally, an insulating protection tube is further provided at the bottom of the grounding pin, the insulating protection tube is sleeved on the grounding pin, the insulating protection tube is fixedly connected to the grounding pin, the insulating protection tube can move with the grounding pin, and the insulating protection tube is used to abut against the ground.

[0020] By adopting the above technical solution, an insulating protective tube is provided at the bottom of the grounding pin, which is sleeved on the grounding pin and fixedly connected thereto, so that the grounding pin can be extended into the ground to protect the part that is not deep into the ground, thereby reducing the possibility of electric shock caused by accidentally touching the grounding pin. At the same time, the insulating protective tube abuts against the ground, further improving the grounding reliability and ensuring the safe operation of the equipment.

[0021] Optionally, a storage groove is provided on the cabinet body corresponding to the insulating protection tube, and the storage groove is set corresponding to the shape of the insulating protection tube. A contact switch is also provided in the storage groove. When the insulating protection tube is retracted, it can abut against the contact switch. The contact switch is electrically connected to the switch assembly. When the contact switch is triggered, the switch assembly stops working.

[0022] By adopting the above technical solution, when the insulating protection tube is stored in the storage slot, the contact switch is triggered, thereby realizing the automatic disconnection of the switch assembly. When the grounding pin is fully retracted, the switch assembly can be closed in time, reducing the safety hazards caused by the switch assembly working in an ungrounded state, effectively preventing the safety hazards caused by the grounding pin not being fully retracted, and improving the safety and reliability of the equipment. At the same time, this design eliminates the need for operators to manually check the status of the grounding pin, simplifies the operation process, and improves work efficiency.

[0023] Optionally, a water inlet hole is opened on the insulating protection tube, a water absorbing expansion component is arranged in the insulating protection tube, a sliding block is arranged on the top of the water absorbing expansion component, the sliding block is slidably connected to the insulating protection tube, and the sliding block is used to abut against the contact switch.

[0024] By adopting the above technical solution, a water inlet hole is opened on the insulating protection tube, and water is absorbed by the water-absorbing expansion member. In sunny weather, the water-absorbing expansion member plays a role in keeping the grounding pin dry, while in rainy weather, the water-absorbing expansion member can lift the sliding block behind the stream water, and the sliding block lifts the contact switch to close the switch assembly, thereby reducing the situation where the grounding effect is affected in rainy days and the safety hazard exists near the grounding pin.

[0025] In summary, this application has at least the following beneficial effects: 1. The present application solves the problem that in the prior art, the high-voltage switchgear is usually installed indoors and fixed, and in some occasions where the high-voltage switchgear needs to be temporarily set up, the movement of the high-voltage switchgear is inconvenient, and the overall transportation is inconvenient. The present application moves the cabinet body by universal wheels and stops the cabinet body by brakes. After stopping, the grounding pin can be inserted into the ground for grounding, and at the same time, the cabinet body is further stabilized to reduce the movement of the cabinet body after it is fixed.

[0026] 2. The present application also reduces the potential safety hazards caused by accidentally touching the grounding pin by providing an insulating protective tube on the grounding pin. The present application also provides a water-absorbing expansion part on the insulating protective tube, which can not only reduce the impact of the humid environment on the grounding pin, but also stop the operation of the switch assembly in time in rainy weather, thereby further reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a front view of this embodiment.

[0028] Figure 2 It is a cross-sectional view of this embodiment, mainly used to show the internal structure.

[0029] Figure 3 It is a cross-sectional view of this embodiment, which is mainly used to show the cross-sectional view of the cabinet in this embodiment.

[0030] Description of reference numerals: 1. Cabinet; 11. Switch assembly; 12. Front door; 13. Rear door; 14. Universal wheel; 15. Electromagnet; 16. Storage slot; 161. Contact switch; 2. Grounding pin; 21. Grounding line; 22. Insulation protection tube; 221. Water inlet hole; 222. Water absorption expansion member; 223. Sliding block; 3. driving gear; 31. driving handle; 311. insulating film; 4. Limiting strip; 41. Limiting rack. DETAILED DESCRIPTION

[0031] The present application is further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0032] A mobile high voltage switch cabinet, such as Figure 1 and Figure 2 As shown, the cabinet 1 includes a cabinet body 1, and a switch assembly 11 for controlling the circuit is arranged inside the cabinet body 1, and the characteristics are: a front door 12 is arranged on one side of the cabinet body 1, and a rear door 13 is arranged on the other side of the cabinet body 1, and the front door 12 and the rear door 13 are both hinged to the cabinet body 1, and the front door 12 and the rear door 13 are both provided with jacks for connecting the circuit, and the jacks are electrically connected to the switch assembly 11 inside the cabinet body 1. A plurality of universal wheels 14 are arranged at the bottom of the cabinet body 1, and the universal wheels 14 are respectively arranged at the four corners of the cabinet body 1, and each universal wheel 14 is provided with a brake. In specific implementation, opening the front and rear doors 13 can respectively operate different positions of the switch assembly 11 and connect the circuit.

[0033] like Figure 1 and Figure 3 As shown, the cabinet 1 is also provided with a grounding pin 2, which is slidably connected to the cabinet 1. The needle of the grounding pin 2 is set at the bottom and can extend out of the cabinet 1. The needle of the grounding pin 2 is used to insert into the ground. The cabinet 1 is also provided with a driving gear 3 corresponding to the grounding pin 2. The grounding pin 2 is provided with a driven rack corresponding to the driving gear 3. The driven rack meshes with the driving gear 3. The cabinet 1 is provided with a driving handle 31 corresponding to the driving gear 3. The driving handle 31 is rotatably connected to the cabinet 1 and fixedly connected to the driving gear 3. The grounding pin 2 is also provided with a grounding line 21. One end of the grounding line 21 is connected to the grounding pin 2, and the other end of the grounding line 21 is connected to the switch assembly 11. In specific implementation, a plurality of grounding pins 2 are provided on the cabinet 1. The cabinet 1 is also provided with a driving gear 3 and a driving handle 31 corresponding to each grounding pin 2. The driving gear 3 meshes with the corresponding rack, and the driving handle 31 is fixedly connected to the corresponding driving gear 3. The driving handle 31 is provided with an insulating film 311, which completely covers the driving handle 31. In specific implementation, the grounding pin 2 can be controlled by rotating the driving handle 31, and when positioning is required, the grounding pin 2 is controlled to extend into the ground to complete the positioning and grounding of the switch cabinet.

[0034] like Figure 1 and Figure 3 As shown, a limit bar 4 is also provided in the cabinet 1, and the limit bar 4 is slidably connected in the cabinet 1. The limit bar 4 is embedded in the upper side of the driving gear 3. A limit rack 41 is provided on the limit bar 4, and the limit rack 41 can engage with the driving gear 3. A driving member is provided in the cabinet 1 corresponding to the limit bar 4, and the driving member is used to drive the limit rack 41 to move along the vertical direction of the cabinet 1. During specific implementation, a groove is opened in the cabinet 1 corresponding to the limit strip 4, the limit strip 4 is embedded in the groove and abuts against the groove wall, and the driving part includes an electromagnet 15, the electromagnet 15 is arranged on the upper side of the limit strip 4, the electromagnet 15 is used to adsorb the limit strip 4, the electromagnet 15 adopts an independent power supply, when the electromagnet 15 is energized, the limit strip 4 is sucked upward, and the limit rack 41 is disconnected from the driving gear 3. At this time, the driving gear 3 can rotate normally to drive the limit strip 4 to move up and down. When the electromagnet 15 is powered off, the limit rack 41 falls down under the action of gravity and engages with the driving gear 3. Since the limit strip 4 is limited, the driving gear 3 is restricted from rotating.

[0035] like Figure 1 and Figure 3 As shown, an insulating protection tube 22 is also provided at the bottom of the grounding pin 2. The insulating protection tube 22 is sleeved on the grounding pin 2. The insulating protection tube 22 is fixedly connected to the grounding pin 2. The insulating protection tube 22 can move with the grounding pin 2. The insulating protection tube 22 is used to abut the ground. A storage groove 16 is provided on the cabinet 1 corresponding to the insulating protection tube 22. The storage groove 16 corresponds to the shape of the insulating protection tube 22. A contact switch 161 is also provided in the storage groove 16. When the insulating protection tube 22 is stored, it can abut against the contact switch 161. The contact switch 161 is electrically connected to the switch assembly 11. When the contact switch 161 is triggered, the switch assembly 11 stops working. In specific implementation, the insulating protection tube 22 can be made of polyethylene or other plastics with certain strength and insulation. When the grounding pin 2 is extended, the insulating protection tube 22 can not only isolate the grounding pin 2, but also form abutment with the ground, further improving the supporting effect on the cabinet 1. When the insulating protection tube 22 is retracted along with the grounding pin 2, the cabinet 1 is not in a grounded state. At this time, the insulating protection tube 22 will contact the contact switch 161, thereby closing the switch assembly 11.

[0036] like Figure 1 and Figure 3As shown, the insulating protective tube 22 is provided with a water inlet hole 221, and a water-absorbing expansion member 222 is provided inside the insulating protective tube 22. A sliding block 223 is provided on the top of the water-absorbing expansion member 222. The sliding block 223 is slidably connected to the insulating protective tube 22, and the sliding block 223 is used to abut against the contact switch 161. In specific implementation, the water-absorbing expansion member 222 plays a role in keeping the grounding pin 2 dry in sunny weather, and in rainy weather, the water-absorbing expansion member 222 can lift the sliding block 223 behind the stream water, and the sliding block 223 lifts the contact switch 161 to close the switch assembly 11.

[0037] Working principle: the cabinet 1 is moved by the universal wheel 14, and the cabinet 1 is provided with a grounding pin 2 which can not only stabilize the position of the cabinet 1 but also form a ground, so that it can be fixed and grounded at various positions more conveniently.

[0038] The above are preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mobile high-voltage switch cabinet, comprising a cabinet body (1), wherein a switch assembly (11) for controlling a circuit is arranged inside the cabinet body (1), characterized in that: A front door (12) is provided on one side of the cabinet (1), and a rear door (13) is provided on the other side of the cabinet (1); the front door (12) and the rear door (13) are both hinged to the cabinet (1); and sockets for connecting circuits are provided on the front door (12) and the rear door (13); the sockets are electrically connected to a switch assembly (11) inside the cabinet (1); The cabinet (1) is provided with a plurality of universal wheels (14) at the bottom thereof. The universal wheels (14) are respectively arranged at the four corners of the cabinet (1). Each of the universal wheels (14) is provided with a brake. The cabinet (1) is also provided with a grounding pin (2). The grounding pin (2) is slidably connected to the cabinet (1). The needle head of the grounding pin (2) is arranged at the bottom and can extend out of the cabinet (1). The needle head of the grounding pin (2) is used to be inserted into the ground. The cabinet (1) is also provided with a driving gear (3) corresponding to the grounding pin (2). The grounding pin (2) is provided with a driven rack corresponding to the driving gear (3). The driven rack is meshed with the driving gear (3). The cabinet (1) is provided with a driving handle (31) corresponding to the driving gear (3). The driving handle (31) is rotatably connected to the cabinet (1) and fixedly connected to the driving gear (3).

2. A mobile high-voltage switch cabinet according to claim 1, characterized in that: The grounding pin (2) is also provided with a grounding circuit (21), one end of the grounding circuit (21) is connected to the grounding pin (2), and the other end of the grounding circuit (21) is connected to the switch assembly (11).

3. A mobile high-voltage switch cabinet according to claim 2, characterized in that: An insulating film (311) is provided on the driving handle (31), and the insulating film (311) completely wraps the driving handle (31).

4. A mobile high-voltage switch cabinet according to claim 3, characterized in that: The cabinet (1) is provided with a plurality of grounding pins (2), and the cabinet (1) is also provided with a driving gear (3) and a driving handle (31) corresponding to each grounding pin (2); the driving gear (3) is meshed with a corresponding rack, and the driving handle (31) is fixedly connected to the corresponding driving gear (3).

5. The mobile high-voltage switch cabinet according to claim 2, characterized in that: A limit bar (4) is also provided in the cabinet (1), the limit bar (4) is slidably connected in the cabinet (1), the limit bar (4) is embedded in the upper side of the driving gear (3), a limit rack (41) is provided on the limit bar (4), the limit rack (41) can mesh with the driving gear (3), and a driving member is provided in the cabinet (1) corresponding to the limit bar (4), and the driving member is used to drive the limit rack (41) to move along the vertical direction of the cabinet (1).

6. A mobile high-voltage switch cabinet according to claim 5, characterized in that: The driving member comprises an electromagnet (15), the electromagnet (15) is arranged on the upper side of the limiting strip (4), and the electromagnet (15) is used to adsorb the limiting strip (4).

7. A mobile high-voltage switch cabinet according to claim 6, characterized in that: The electromagnet (15) adopts an independent power supply.

8. The mobile high-voltage switch cabinet according to claim 3, characterized in that: An insulating protection tube (22) is also provided at the bottom of the grounding pin (2); the insulating protection tube (22) is sleeved on the grounding pin (2); the insulating protection tube (22) is fixedly connected to the grounding pin (2); the insulating protection tube (22) can move with the grounding pin (2); and the insulating protection tube (22) is used to abut against the ground.

9. The mobile high-voltage switch cabinet according to claim 8, characterized in that: The cabinet (1) is provided with a storage groove (16) corresponding to the insulating protection tube (22); the storage groove (16) is arranged in a shape corresponding to the insulating protection tube (22); a contact switch (161) is further arranged in the storage groove (16); the insulating protection tube (22) can abut against the contact switch (161) when it is stored; the contact switch (161) is electrically connected to the switch assembly (11); when the contact switch (161) is triggered, the switch assembly (11) stops working.

10. The mobile high-voltage switch cabinet according to claim 9, characterized in that: The insulating protection tube (22) is provided with a water inlet hole (221), a water absorbing expansion member (222) is provided inside the insulating protection tube (22), a sliding block (223) is provided on the top of the water absorbing expansion member (222), the sliding block (223) is slidably connected to the insulating protection tube (22), and the sliding block (223) is used to abut against the contact switch (161).

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