A mobile high-voltage switch cabinet

Abstract

The application relates to the technical field of switch cabinets, in particular to a mobile high-voltage switch cabinet, which comprises a cabinet body, a switch assembly 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, the front door and the rear door are hinged to the cabinet body, a jack for connecting the circuit is arranged on the front door and the rear door, the jack is electrically connected with the switch assembly in the cabinet body; a plurality of universal wheels are arranged at the bottom of the cabinet body, the universal wheels are arranged at four corners of the cabinet body respectively, a brake is arranged on each universal wheel, a grounding pin is further arranged on the cabinet body, the grounding pin is slidingly connected with the cabinet body, a needle head of the grounding pin is arranged at the bottom and can extend out of the cabinet body, the needle head of the grounding pin is used for being inserted into the ground, a driving gear is further arranged on the cabinet body corresponding to the grounding pin, a driven rack is arranged on the grounding pin corresponding to the driving gear, the driven rack is engaged with the driving gear, and a driving handle is arranged on the cabinet body corresponding to the driving gear. The grounding pin is fixed with the ground and grounding is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of switch cabinet, in particular to a mobile high-voltage switch cabinet. BACKGROUND

[0002] The high-voltage switch cabinet is a high-voltage power distribution cabinet, which is used for power system generation, transmission, distribution, power conversion and consumption, and plays a role of switching, control or protection, and the voltage level is 3.6kV~550kV. The high-voltage switch cabinet mainly includes high-voltage circuit breaker, high-voltage isolation switch and grounding switch, high-voltage load switch, high-voltage automatic reclosing and sectionalizer, high-voltage operating mechanism, high-voltage explosion-proof power distribution device and high-voltage switch cabinet. The high-voltage switch manufacturing industry is an important part of the power transmission and transformation equipment manufacturing industry, and plays a very important role in the entire electric power industry.

[0003] The high-voltage switch cabinet in the prior art is usually arranged indoors and fixed. In some construction sites and other construction sites where high-voltage switch cabinets need to be temporarily erected, the movement of the high-voltage switch cabinet is relatively inconvenient, and the whole is relatively inconvenient during transportation. SUMMARY

[0004] In order to solve the problem that the high-voltage switch cabinet in the prior art is usually arranged indoors and fixed, and the movement of the high-voltage switch cabinet is relatively inconvenient in some occasions where the high-voltage switch cabinet needs to be temporarily erected, and the whole is relatively inconvenient during transportation, the present application provides a mobile high-voltage switch cabinet, and the specific scheme is as follows.

[0005] A mobile high-voltage switch cabinet, comprising a cabinet body, a switch assembly for controlling a circuit is arranged in the cabinet body, a front door is arranged on one side of the cabinet body, and a rear door is arranged on the other side of the cabinet body, the front door and the rear door are hinged to the cabinet body, and a jack for connecting a circuit is arranged on the front door and the rear door, and the jack is electrically connected with the switch assembly in the cabinet body.

[0006] A plurality of universal wheels are arranged on the bottom of the cabinet body, the universal wheels are arranged at the four corners of the cabinet body respectively, a brake is arranged on each universal wheel, a grounding pin is further arranged on the cabinet body, the grounding pin is slidingly connected with the cabinet body, the needle of the grounding pin is arranged at the bottom and can be extended out of the cabinet body, the needle of the grounding pin is used for inserting into the ground, a drive gear is arranged on the cabinet body corresponding to the grounding pin, a driven rack is arranged on the grounding pin corresponding to the drive gear, the driven rack is engaged with the drive gear, and a drive handle is arranged on the cabinet body corresponding to the drive gear, the drive handle is rotationally connected with the cabinet body and fixedly connected with the drive gear.

[0007] By adopting the above technical solutions, the mobile high-voltage switch cabinet 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 enables the operator to conveniently access or disconnect the circuit from both sides, thereby improving work efficiency. The universal wheel and its brake function ensure stable placement of the equipment in different environments, facilitating transportation and positioning. The design of the grounding pin and its driving device enables the grounding pin to be inserted into the soil in a work site or the like, thereby further positioning the cabinet body, reducing the movement of the cabinet body, and quickly achieving effective grounding of the electrical equipment when needed, thereby preventing safety hazards caused by static electricity accumulation and current leakage. In addition, the cooperation of the driving gear and the driven rack makes the extension and retraction of the grounding pin more reliable and stable, thereby further improving the overall safety of the equipment.

[0008] Optionally, the grounding pin is further provided with a grounding line, one end of the grounding line is connected with the grounding pin, and the other end of the grounding line is connected with the switch assembly.

[0009] By adopting the above technical solutions, the grounding line on the grounding pin can ensure 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, thereby ensuring the safety of the operator and the normal operation of the equipment.

[0010] Optionally, the driving handle is provided with an insulating film, and the insulating film wraps the driving handle.

[0011] By adopting the above technical solutions, the insulating film effectively prevents electric shock accidents when the operator uses the driving handle, thereby improving the safety of the equipment. At the same time, the insulating film wraps the driving handle, ensuring that the hands are completely isolated from the live parts during operation, thereby further enhancing safety.

[0012] Optionally, the cabinet body is provided with a plurality of grounding pins, and the cabinet body is further provided with a driving gear and a driving handle corresponding to each grounding pin, the driving gear is engaged with the corresponding rack, and the driving handle is fixedly connected with the corresponding driving gear.

[0013] By adopting the above technical solutions, the design of the plurality of grounding pins improves the grounding stability of the equipment, thereby ensuring electrical safety performance. Each grounding pin is equipped with a driving gear and a driving handle, so that the operator can conveniently manually adjust the position of each grounding pin, thereby ensuring reliable insertion of the grounding pin into the ground, and enhancing the adaptability and use convenience of the equipment.

[0014] Optionally, the cabinet body is further provided with a limiting strip, the limiting strip is slidingly connected in the cabinet body, the limiting strip is embedded on the upper side of the driving gear, the limiting strip is provided with a limiting gear rack, the limiting gear rack can be engaged with the driving gear, the cabinet body is provided with a driving member corresponding to the limiting strip, and the driving member is used to drive the limiting gear rack to move along the vertical direction of the cabinet body.

[0015] By adopting the above technical scheme, the limiting strip can be driven by the driving member to move, and the driving gear can be limited by the limiting strip. After the grounding pin is inserted into the ground or is withdrawn, the limiting strip can be used to fix the driving gear, thereby limiting the movement of the grounding pin and fixing the grounding pin.

[0016] Optionally, the driving member comprises an electromagnet, the electromagnet is arranged on the upper side of the limiting strip, and the electromagnet is used to attract the limiting strip.

[0017] By adopting the above technical scheme, the electromagnet is arranged to enable the limiting gear rack to be quickly attracted and fixed when needed, and the position of the limiting strip can be adjusted more conveniently.

[0018] Optionally, the electromagnet adopts an independent power supply.

[0019] By adopting the above technical scheme, the electromagnet can independently control the movement of the limiting strip, thereby reducing the influence of the power supply on the movement of the limiting strip.

[0020] Optionally, the bottom of the grounding pin is further provided with an insulating protection cylinder, the insulating protection cylinder is sleeved on the grounding pin, the insulating protection cylinder is fixedly connected with the grounding pin, the insulating protection cylinder can move with the grounding pin, and the insulating protection cylinder is used to abut against the ground.

[0021] By adopting the above technical scheme, the bottom of the grounding pin is provided with the insulating protection cylinder, the insulating protection cylinder is sleeved on the grounding pin and is fixedly connected with the grounding pin, the part of the grounding pin that does not penetrate into the ground can be wrapped and protected after the grounding pin penetrates into the ground, and the risk of electric shock caused by accidental contact with the grounding pin is reduced. Meanwhile, the insulating protection cylinder abuts against the ground, further improving the grounding reliability and ensuring the safe operation of the equipment.

[0022] Optionally, the cabinet body is provided with a receiving groove corresponding to the insulating protection cylinder, the receiving groove is arranged in a shape corresponding to the insulating protection cylinder, the receiving groove is further provided with a contact switch, the insulating protection cylinder can abut against the contact switch when the insulating protection cylinder is received, the contact switch is electrically connected with a switch assembly, and the switch assembly stops working when the contact switch is triggered.

[0023] By adopting the above technical scheme, when the insulating protection cylinder is received into the receiving groove, the contact switch is triggered, so as to realize automatic disconnection of the switch assembly, and when the grounding needle is completely retracted, the switch assembly can be closed in time, thereby reducing the security risks caused by the operation of the switch assembly in the ungrounded state, effectively preventing the security risks caused by incomplete retraction of the grounding needle, and improving the safety and reliability of the equipment. At the same time, this design eliminates the need for the operator to manually check the state of the grounding needle, simplifies the operation process, and improves the work efficiency.

[0024] Optionally, a water inlet hole is formed in the insulating protection cylinder, and a water absorption expansion piece is arranged in the insulating protection cylinder, and a sliding block is arranged at the top of the water absorption expansion piece, and the sliding block is in sliding connection with the insulating protection cylinder, and the sliding block is used for abutting against the contact switch.

[0025] By adopting the above technical scheme, the water inlet hole is formed in the insulating protection cylinder, and the water absorption expansion piece is used for absorbing water. In sunny weather, the water absorption expansion piece plays a role in keeping the grounding needle dry, while in rainy weather, the water absorption expansion piece can lift the sliding block after absorbing water, and the sliding block lifts the contact switch to close the switch assembly, thereby reducing the security risks caused by the influence of rain on the grounding effect of the grounding needle.

[0026] In summary, the present application has at least the following beneficial effects:

[0027] 1. The present application solves the problem that the high-voltage switch cabinet in the prior art is usually fixedly arranged indoors, and it is inconvenient to move the high-voltage switch cabinet in some occasions where the high-voltage switch cabinet needs to be temporarily erected. The present application moves the cabinet body through universal wheels, and stops the cabinet body through a brake. After stopping, the grounding needle can be inserted into the ground for grounding, and the cabinet body can be further stabilized to reduce the movement of the fixed cabinet body.

[0028] 2. The present application further reduces the security risks caused by accidental contact with the grounding needle by arranging an insulating protection cylinder on the grounding needle. The present application further reduces the influence of the humid environment on the grounding needle by arranging a water absorption expansion piece on the insulating protection cylinder, and stops the operation of the switch assembly in time in rainy weather, thereby further reducing the security risks. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a front view of the present embodiment.

[0030] Figure 2 is a sectional view of the present embodiment, mainly used to show the internal structure.

[0031] Figure 3 is a sectional view of the present embodiment, mainly used to show the sectional view of the cabinet body in the present embodiment.

[0032] BRIEF DESCRIPTION OF DRAWINGS

[0033] 1, cabinet; 11, switch assembly; 12, front door; 13, rear door; 14, universal wheel; 15, electromagnet; 16, storage groove; 161, contact switch;

[0034] 2, grounding pin; 21, grounding line; 22, insulation protection cylinder; 221, water inlet hole; 222, water absorption expansion piece; 223, sliding block;

[0035] 3, drive gear; 31, drive handle; 311, insulation film;

[0036] 4, limiting strip; 41, limiting rack. DETAILED DESCRIPTION

[0037] The application will be further described in detail below with reference to the accompanying drawings.

[0038] A mobile high-voltage switch cabinet, as shown in Figure 1 and Figure 2 , comprises a cabinet 1, the inside of the cabinet 1 is provided with a switch assembly 11 for controlling the circuit, characterized in that: one side of the cabinet 1 is provided with a front door 12, and the other side of the cabinet 1 is provided with a rear door 13, the front door 12 and the rear door 13 are hinged with the cabinet 1, and the front door 12 and the rear door 13 are both provided with a jack for connecting the circuit, and the jack is electrically connected with the switch assembly 11 inside the cabinet 1. The bottom of the cabinet 1 is provided with a plurality of universal wheels 14, the universal wheels 14 are respectively arranged at the four corners of the cabinet 1, and each universal wheel 14 is provided with a brake. In specific implementation, the front and rear doors 13 are opened to operate and connect the circuit at different positions of the switch assembly 11.

[0039] As shown in Figure 1 and Figure 3As shown, the cabinet 1 is also provided with a grounding needle 2, the grounding needle 2 is in sliding connection with the cabinet 1, the needle head of the grounding needle 2 is arranged at the bottom and can be extended out of the cabinet 1, the needle head of the grounding needle 2 is used for inserting into the ground, the cabinet 1 is also provided with a drive gear 3 corresponding to the grounding needle 2, a driven rack is arranged on the grounding needle 2 corresponding to the drive gear 3, the driven rack is engaged with the drive gear 3, the cabinet 1 is provided with a drive handle 31 corresponding to the drive gear 3, the drive handle 31 is in rotating connection with the cabinet 1 and is fixedly connected with the drive gear 3. The grounding needle 2 is also provided with a grounding line 21, one end of the grounding line 21 is connected with the grounding needle 2, and the other end of the grounding line 21 is connected with the switch assembly 11. In specific implementation, a plurality of grounding needles 2 are arranged on the cabinet 1, and the cabinet 1 is also provided with a drive gear 3 and a drive handle 31 corresponding to each grounding needle 2, the drive gear 3 is engaged with the corresponding rack, and the drive handle 31 is fixedly connected with the corresponding drive gear 3. An insulating film 311 is arranged on the drive handle 31, and the insulating film 311 wraps the drive handle 31 entirely. In specific implementation, the grounding needle 2 can be controlled by rotating the drive handle 31, and when positioning is needed, the grounding needle 2 can be controlled to extend into the ground to complete the positioning and grounding of the switch cabinet.

[0040] As shown in Figure 1 and Figure 3 The cabinet 1 is also provided with a limiting strip 4, the limiting strip 4 is in sliding connection in the cabinet 1, the limiting strip 4 is embedded on the upper side of the drive gear 3, a limiting rack 41 is arranged on the limiting strip 4, the limiting rack 41 can be engaged with the drive gear 3, and a drive member is arranged in the cabinet 1 corresponding to the limiting strip 4, the drive member is used for driving the limiting rack 41 to move along the vertical direction of the cabinet 1. In specific implementation, a slot is arranged in the cabinet 1 corresponding to the limiting strip 4, the limiting strip 4 is embedded in the slot and abuts against the slot wall, the drive member includes an electromagnet 15, the electromagnet 15 is arranged on the upper side of the limiting strip 4, the electromagnet 15 is used for attracting the limiting strip 4, the electromagnet 15 adopts an independent power supply, when the electromagnet 15 is powered on, the limiting strip 4 is attracted upward, the limiting rack 41 is disconnected from the engagement with the drive gear 3, at this time the drive gear 3 can normally rotate to drive the limiting strip 4 to move up and down, when the electromagnet 15 is powered off, the limiting rack 41 falls down under the action of gravity and is engaged with the drive gear 3, because the limiting strip 4 is limited, the drive gear 3 is limited to rotate.

[0041] As shown in Figure 1 and Figure 3As shown, the bottom of the grounding pin 2 is also provided with an insulating protection cylinder 22, which is sleeved on the grounding pin 2 and fixedly connected with the grounding pin 2, can move with the grounding pin 2, and is used for abutting against the ground. The cabinet 1 is provided with a receiving groove 16 corresponding to the insulating protection cylinder 22, which is arranged in a shape corresponding to the insulating protection cylinder 22. The receiving groove 16 is also provided with a contact switch 161, which can abut against the contact switch 161 when the insulating protection cylinder 22 is received. The contact switch 161 is electrically connected with the switch assembly 11, and the switch assembly 11 stops working when the contact switch 161 is triggered. In specific implementation, the insulating protection cylinder 22 can be made of polyethylene or other plastics with certain strength and insulation. When the grounding pin 2 is extended, the insulating protection cylinder 22 can not only insulate the grounding pin 2, but also abut against the ground, thereby further improving the supporting effect on the cabinet 1. When the insulating protection cylinder 22 is retracted with the grounding pin 2, the cabinet 1 is not in the grounded state. At this time, the insulating protection cylinder 22 will contact the contact switch 161, thereby closing the switch assembly 11.

[0042] As shown in Figure 1 and Figure 3 shown, the insulating protection cylinder 22 is provided with a water inlet hole 221, and the insulating protection cylinder 22 is provided with a water absorption expansion piece 222. The top of the water absorption expansion piece 222 is provided with a sliding block 223, which is slidingly connected with the insulating protection cylinder 22 and used for abutting against the contact switch 161. In specific implementation, the water absorption expansion piece 222 plays a role in keeping the grounding pin 2 dry in sunny weather, and in rainy weather, the water absorption expansion piece 222 can lift the sliding block 223 after the stream, and the sliding block 223 lifts the contact switch 161 to close the switch assembly 11.

[0043] Working principle: the cabinet 1 is moved by the universal wheel 14, and the grounding pin 2 arranged in the cabinet 1 can not only stabilize the position of the cabinet 1, but also form grounding, thereby being more convenient to fix and ground at various positions.

[0044] The above is the preferred embodiment of the present application, which does not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A mobile high-voltage switchgear, comprising a cabinet (1), wherein a switch assembly (11) for controlling a circuit is disposed inside the cabinet (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). Both the front door (12) and the rear door (13) are hinged to the cabinet (1). Both the front door (12) and the rear door (13) are provided with sockets for connecting circuits. The sockets are electrically connected to the switch assembly (11) inside the cabinet (1). The cabinet (1) is provided with multiple casters (14) at its bottom. The casters (14) are respectively located at the four corners of the cabinet (1). Each caster (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 tip of the grounding pin (2) is located at the bottom and can extend out of the cabinet (1). The tip of the grounding pin (2) is used to insert into the ground. The cabinet (1) is also provided with a drive gear (3) corresponding to the grounding pin (2). The grounding pin (2) is provided with a driven rack corresponding to the drive gear (3). The driven rack meshes with the drive gear (3). The cabinet (1) is provided with a drive handle (31) corresponding to the drive gear (3). The drive handle (31) is rotatably connected to the cabinet (1) and fixedly connected to the drive gear (3). The grounding pin (2) is also provided with a grounding line (21), one end of which is connected to the grounding pin (2), and the other end of which is connected to the switch assembly (11). An insulating film (311) is provided on the drive handle (31), and the insulating film (311) completely covers the drive handle (31); The bottom of the grounding needle (2) is also provided with an insulating protective cylinder (22). The insulating protective cylinder (22) is sleeved on the grounding needle (2). The insulating protective cylinder (22) is fixedly connected to the grounding needle (2). The insulating protective cylinder (22) can move with the grounding needle (2). The insulating protective cylinder (22) is used to contact the ground. The cabinet (1) is provided with a storage groove (16) corresponding to the insulating protective cylinder (22). The storage groove (16) is shaped to correspond to the insulating protective cylinder (22). A contact switch (161) is also provided in the storage groove (16). When the insulating protective cylinder (22) is retracted, 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.

2. A mobile high-voltage switchgear according to claim 1, characterized in that: The cabinet (1) is provided with multiple grounding pins (2). The cabinet (1) is also provided with a drive gear (3) and a drive handle (31) corresponding to each grounding pin (2). The drive gear (3) meshes with the corresponding rack, and the drive handle (31) is fixedly connected to the corresponding drive gear (3).

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

4. A mobile high-voltage switchgear according to claim 3, characterized in that: The driving component includes an electromagnet (15), which is disposed on the upper side of the limiting strip (4) and is used to attract the limiting strip (4).

5. A mobile high-voltage switchgear according to claim 4, characterized in that: The electromagnet (15) uses an independent power supply.

6. A mobile high-voltage switchgear according to claim 5, characterized in that: The insulating protective cylinder (22) is provided with a water inlet hole (221), and a water-absorbing expansion member (222) is provided inside the insulating protective cylinder (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 cylinder (22), and the sliding block (223) is used to abut against the contact switch (161).

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