Remote control device and method for long-distance opening operation of switch cabinet

By coordinating the design of the positioning actuator and the control mechanism, remote tripping operation of the switchgear is realized, which solves the problems of large size, heavy weight and difficult operation of traditional equipment, and provides a portable, low-cost and maintenance-free remote control device.

CN121461613APending Publication Date: 2026-02-03GUIZHOU POWER GRID CO LTD
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Patent Information

Application Number
CN202511447854.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-11
Publication Date
2026-02-03

AI Technical Summary

Technical Problem

Traditional switchgear tripping operation equipment is bulky, heavy, inconvenient to carry, and difficult to operate in small spaces, posing safety hazards and incurring high maintenance costs.

Method used

A remote control device including a positioning actuator and a control mechanism was designed. It is fixed in switch cabinets of different specifications using telescopic and positioning parts. It achieves remote tripping operation through cylinders and mini air pumps. The device has a simple structure, is easy to carry and requires no maintenance.

Benefits of technology

It enables safe, reliable, and low-cost remote tripping operations of multiple switchgear models in confined spaces, reducing usage and production costs while ensuring operator safety.

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Abstract

The invention relates to the technical field of switch cabinet opening, in particular to a remote control device and method for long-distance opening operation of a switch cabinet, and the device comprises a positioning execution mechanism which comprises an execution assembly and a positioning assembly, the execution assembly is used for carrying out the opening operation of the switch cabinet, and a control mechanism and the positioning execution mechanism cooperate with each other to control the opening operation of the switch cabinet. According to the device, the air cylinder can be stably fixed in switch cabinets of various models; by means of the miniature inflator and the connection of the extended air pipe and the air cylinder, the function of carrying out long-distance opening operation on multi-model switch cabinets in a narrow space is achieved, the device is simple in overall structure and has the remarkable advantages of being fast to disassemble and convenient to carry, and in addition, due to the fact that the device does not need daily maintenance, the use cost and the production cost are remarkably reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of switch cabinet opening, and particularly relates to a remote control device and method for long-distance opening of a switch cabinet BACKGROUND

[0002] When a traditional switch cabinet is opened, a front cabinet door needs to be manually opened, and a breaker body needs to be pressed to open a breaker button. However, during the opening process, if the breaker has mechanical failure and cannot be opened, or the vacuum arc chamber of the vacuum breaker cannot maintain the vacuum degree due to sealing problems, the arc chamber cannot effectively extinguish the arc, which may cause an explosion discharge phenomenon. This not only causes the arc and shock wave to directly impact the nearby operator, but also has serious safety hazards.

[0003] To solve this problem, the prior art usually uses a remote control chassis vehicle to carry a telescopic mechanical arm to open the front cabinet door. However, this device has the problems of large size, heavy weight, difficult to carry by one person, inconvenient to carry, and difficult to operate in a small space. In addition, the production cost of the operating device is high, and once damaged, it will cause significant economic losses, and the remote control chassis vehicle needs to be maintained regularly, which increases the work burden.

[0004] Therefore, it is particularly necessary to design a long-distance control opening device which is small in size, low in cost, convenient to carry, suitable for operation in a small space, and does not need to be maintained.

[0005] Therefore, we propose a remote control device for long-distance opening of a switch cabinet. SUMMARY

[0006] In view of the technical problems of the prior art that the opening device has the problems of large size, heavy weight, difficult to carry by one person, inconvenient to carry, and difficult to operate in a small space, the present application provides a remote control device for long-distance opening of a switch cabinet.

[0007] To solve the above technical problems, the present application provides the following technical scheme: a remote control device for long-distance opening of a switch cabinet, a positioning execution mechanism, the positioning execution mechanism includes an execution assembly and a positioning assembly, wherein the execution assembly is used for opening the switch cabinet;

[0008] The positioning assembly and the execution assembly are detachably connected, and the positioning assembly is used for fixing the position of the execution assembly.

[0009] A control mechanism, wherein the control mechanism is used for controlling the running state of the execution assembly, and the control mechanism is movably connected with the execution assembly.

[0010] The positioning assembly comprises a telescopic part and a positioning part, wherein the telescopic part is used to support the positioning part inside switch cabinets of different specifications, and the positioning part is used to fix the executing assembly, and the positioning part is movably connected to the outside of the telescopic part.

[0011] In a preferred embodiment of the remote control device for remote switching operation of the switch cabinet, the telescopic part comprises a telescopic supporting rod, a first abutting head and a second abutting head,

[0012] The first abutting head and the second abutting head are arranged at two ends of the telescopic supporting rod respectively, wherein the first abutting head and the telescopic supporting rod are detachably movably connected.

[0013] In a preferred embodiment of the remote control device for remote switching operation of the switch cabinet, the positioning part is an optical axis cross fixed frame,

[0014] The optical axis cross fixed frame comprises a first fixed hole and a second fixed hole, and a jackscrew is arranged inside the first fixed hole and the second fixed hole.

[0015] In a preferred embodiment of the remote control device for remote switching operation of the switch cabinet, the telescopic supporting rod penetrates through the first fixed hole, and the jackscrew inside the first fixed hole fixes the telescopic supporting rod.

[0016] In a preferred embodiment of the remote control device for remote switching operation of the switch cabinet, the executing assembly is a gas cylinder, the gas cylinder penetrates through the second fixed hole, and the jackscrew inside the second fixed hole fixes the gas cylinder.

[0017] One side of the gas cylinder is provided with a quick connector and an extension air pipe.

[0018] In a preferred embodiment of the remote control device for remote switching operation of the switch cabinet, two ends of the extension air pipe are connected with the quick connector and the control mechanism respectively.

[0019] The outside of the extension air pipe is provided with an exhaust valve.

[0020] In a preferred embodiment of the remote control device for remote switching operation of the switch cabinet, the control mechanism is a micro inflator, and the connector of the micro inflator is connected with the extension air pipe.

[0021] The application further provides a remote control method for remote switching operation of a switch cabinet, comprising,

[0022] The exhaust valve is closed, the gas cylinder is pressurized, and the gas cylinder piston column abuts against the switching button to realize switching under the pressurized state.

[0023] After the switch is closed, the cylinder is reset, and then the device is disassembled.

[0024] In a preferred embodiment of the remote control method for the remote switching operation of the switch cabinet, before closing the exhaust valve and pressurizing the cylinder, the method comprises,

[0025] The cylinder is installed inside the second fixed hole and fixed with the jackscrew;

[0026] The first abutting head is detached from the telescopic support rod, the optical axis cross fixed frame with the cylinder is installed on the surface of the telescopic support rod, and then the first abutting head is connected with the telescopic support rod.

[0027] In a preferred embodiment of the remote control method for the remote switching operation of the switch cabinet, before closing the exhaust valve and pressurizing the cylinder, the method further comprises,

[0028] The telescopic support rod with the optical axis cross fixed frame is installed inside the switch cabinet.

[0029] The beneficial effects of the present application are that: through the cooperation of the control mechanism and the positioning execution mechanism, the device can stably fix the cylinder inside various types of switch cabinets; with the help of a micro inflator and by connecting the extension air pipe with the cylinder, the function of remotely operating the switching of multiple types of switch cabinets in a small space is realized. The device has a simple overall structure, has the advantages of quick disassembly and easy carrying, and in addition, it does not need daily maintenance, which significantly reduces the use and production costs. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0031] Figure 1 It is a schematic diagram of the overall connection structure of the positioning execution mechanism and the control mechanism in the present application.

[0032] Figure 2 It is a schematic diagram of the connection structure of the first fixed hole and the second fixed hole in the present application.

[0033] Figure 3 It is a schematic diagram of the structure of the execution assembly in the present application.

[0034] Figure 4 It is a schematic diagram of the connection structure of the cylinder and the extension air pipe in the present application. DETAILED DESCRIPTION

[0035] In order to make the above objectives, features and advantages of the present application more obvious and comprehensible, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0036] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the concept of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0037] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0038] Embodiment 1, reference Figures 1-4 For the first embodiment of the present application, the embodiment provides a remote control device for remote switching operation of a switch cabinet, a positioning actuator 1, the positioning actuator 1 includes an execution assembly 11 and a positioning assembly 12, wherein the execution assembly 11 is used for switching operation of the switch cabinet;

[0039] Among them, the positioning assembly 12 and the execution assembly 11 are detachably connected, and the positioning assembly 12 is used for fixing the position of the execution assembly 11.

[0040] A control mechanism 2, wherein the control mechanism 2 is used for controlling the running state of the execution assembly 11, and the control mechanism 2 is movably connected with the execution assembly 11.

[0041] The positioning assembly 12 includes a telescopic part 121 and a positioning part 122, wherein the telescopic part 121 is used for supporting the positioning part 122 inside the switch cabinet of different specifications, and the positioning part 122 is used for fixing the execution assembly 11, and the positioning part 122 is movably connected to the outside of the telescopic part 121.

[0042] It should be clear that the traditional close-range manual opening of the cabinet door and pressing the switching button operation mode is prone to induce arc explosion in the case of circuit breaker failure. The arc and shock wave generated thereby will directly threaten the life safety of close-range operators, and the personal risk is extremely high.

[0043] Therefore, the application achieves safe, reliable and efficient remote switching operation of various specifications of switch cabinets by the cooperative design of the positioning actuator and the control mechanism and the flexible structure of the control mechanism, and the operator can complete the switching operation at a safe distance of several meters or even farther without standing in front of the switch cabinet, and the safe, reliable and efficient remote switching operation of various specifications of switch cabinets is achieved, and a portable, flexible, low-cost and maintenance-free remote switching device of switch cabinets is provided under the premise of ensuring the absolute safety of the operator.

[0044] Embodiment 2, refer to Figures 1-4 For the second embodiment of the application, the embodiment provides a remote control device for remote switching operation of a switch cabinet, a positioning actuator 1, the positioning actuator 1 comprising an execution assembly 11 and a positioning assembly 12, wherein the execution assembly 11 is used for switching operation of the switch cabinet;

[0045] The positioning assembly 12 is used for fixing the position of the execution assembly 11.

[0046] A control mechanism 2, wherein the control mechanism 2 is used for controlling the running state of the execution assembly 11.

[0047] The positioning assembly 12 comprises a telescopic piece 121 and a positioning piece 122, wherein the telescopic piece 121 is used for supporting the positioning piece 122 inside different specifications of switch cabinets, and the positioning piece 122 is used for fixing the execution assembly 11.

[0048] The telescopic piece 121 in the embodiment comprises a telescopic support rod 1211, a first abutting head 1212 and a second abutting head 1213, the first abutting head 1212 and the second abutting head 1213 are respectively arranged at two ends of the telescopic support rod 1211, and during installation, the first abutting head 1212 and the second abutting head 1213 abut against the inner wall of the switch cabinet, so that the telescopic support rod 1211 is stably supported inside different models of switch cabinets.

[0049] The first abutting head 1212 and the telescopic support rod 1211 are detachably and movably connected, the telescopic support rod 1211 is specifically a Φ25 telescopic support rod 1211, and the adjustable length range of the telescopic support rod 1211 is 0.5-0.8 m, so that the telescopic support rod 1211 can be installed inside different models of switch cabinets.

[0050] In an optional embodiment, the detachable and movable connection of the first abutting head 1212 and the telescopic support rod 1211 can be screw connection.

[0051] In an optional embodiment, the detachable and movable connection of the first abutting head 1212 and the telescopic support rod 1211 can also be slot and block connection.

[0052] The positioning member 122 in the embodiment is a Φ25 optical axis cross fixed frame 1221. The optical axis cross fixed frame 1221 includes a first fixed hole 1221a and a second fixed hole 1221b. The first fixed hole 1221a and the second fixed hole 1221b are internally provided with a jackscrew 1221c. One end of the jackscrew 1221c penetrates into the inside of the corresponding first fixed hole 1221a or second fixed hole 1221b and is threadedly connected therewith. The first fixed hole 1221a and the second fixed hole 1221b correspond to two groups of jackscrews 1221c respectively, so as to be able to be fixed in multiple directions and improve the installation stability.

[0053] The telescopic supporting rod 1211 penetrates through the first fixed hole 1221a, and the jackscrew 1221c corresponding to the first fixed hole 1221a is screwed until the one end of the jackscrew 1221c abuts against the telescopic supporting rod 1211. The jackscrew 1221c inside the first fixed hole 1221a of the telescopic supporting rod 1211 fixes the telescopic supporting rod 1211. The jackscrew 1221c inside the first fixed hole 1221a is rotated until the jackscrew 1221c abuts against the telescopic supporting rod 1211, so as to fix the optical axis cross fixed frame 1221 on the telescopic supporting rod 1211.

[0054] The execution assembly 11 in the embodiment is a gas cylinder 111. The model of the gas cylinder 111 is M16x50. After the gas cylinder 111 penetrates through the second fixed hole 1221b, the jackscrew 1221c inside the second fixed hole 1221b is rotated until the jackscrew 1221c abuts against the gas cylinder 111, so as to connect the gas cylinder 111 with the optical axis cross fixed frame 1221 and prevent displacement of the piston column of the gas cylinder 111 in the process of operation.

[0055] One side of the gas cylinder 111 is provided with a quick connector 111a and an extension air pipe 111b with a specification of Φ6. The extension air pipe 111b is a flexible pipe. Therefore, when operation is performed in a small space, the extension air pipe 111b can be bent and rolled, so as to meet the requirement of an operator standing at any position far away from the switch cabinet to perform operation.

[0056] The two ends of the extension air pipe 111b are connected with the quick connector 111a and the control mechanism 2 respectively.

[0057] As shown in FIG. 2, the outside of the extension air pipe 111b is provided with an exhaust valve 111c. Figure 4

[0058] The control mechanism 2 is a micro inflator 21. The connector of the micro inflator 21 is connected with the extension air pipe 111b. An operator controls the running state of the gas cylinder 111 by controlling the micro inflator 21.

[0059] ​Working principle: install the air cylinder 111 inside the second fixed hole 1221b, and screw the top screw 1221c corresponding to the second fixed hole 1221b to fix the air cylinder 111, then disassemble the first abutting head 1212 from the telescopic support rod 1211, and install the optical axis cross fixed frame 1221 installed with the air cylinder 111 on the surface of the telescopic support rod 1211;

[0060] Make the first abutting head 1212 and the second abutting head 1213 abut against the inner wall of the switch cabinet, and then install the telescopic support rod 1211 in the switch cabinet;

[0061] Then move the optical axis cross fixed frame 1221 along the telescopic support rod 1211 until the piston column of the air cylinder 111 corresponds to the to-be-operated disconnecting button but does not contact, at this time, screw the top screw 1221c corresponding to the first fixed hole 1221a to connect the optical axis cross fixed frame 1221 with the telescopic support rod 1211, then install the first abutting head 1212 at one end of the telescopic support rod 1211 and screw it, and then make the telescopic support rod 1211 install in the switch cabinet by abutting the first abutting head 1212 and the second abutting head 1213 against the inner wall of the switch cabinet;

[0062] Finally, the operator is far away from the switch cabinet, stands in a safe position, closes the exhaust valve 111c, and controls the micro inflator 21 to pressurize the air cylinder 111, so that the piston column of the air cylinder 111 abuts against the disconnecting button under pressure to realize disconnecting.

[0063] In summary, by setting the air cylinder 111 and the cooperation of the extended air pipe 111b, the device can stably fix the air cylinder 111 in the interior of various types of switch cabinets; with the help of the micro inflator 21 and through the connection of the extended air pipe 111b and the air cylinder 111, the function of remotely operating the disconnecting of various types of switch cabinets in a small space is realized. The overall structure of the device is simple, has the advantages of quick disassembly and convenient carrying, and in addition, since it does not need daily maintenance, the use cost and production cost are significantly reduced.

[0064] Embodiment 3, the above is a schematic scheme of a remote control device for remotely disconnecting a switch cabinet. It should be noted that the technical scheme of the remote control method for remotely disconnecting a switch cabinet belongs to the same concept as the technical scheme of the remote control device for remotely disconnecting a switch cabinet described above. The technical scheme of the remote control method for remotely disconnecting a switch cabinet in this embodiment is not described in detail, and can be referred to the description of the technical scheme of the remote control device for remotely disconnecting a switch cabinet.

[0065] The embodiment also provides a remote control method for remote opening operation of the switch cabinet, comprising: closing the exhaust valve 111c, pressurizing the air cylinder 111, and making the piston column of the air cylinder 111 abut against the opening button to open the switch cabinet under the pressurized state;

[0066] After the opening is completed, the air cylinder 111 is reset, and then the device is disassembled.

[0067] Before closing the exhaust valve 111c and pressurizing the air cylinder 111, the method comprises,

[0068] The air cylinder 111 is installed inside the second fixed hole 1221b, and the air cylinder 111 is fixed by the top screw 1221c.

[0069] The first abutment head 1212 is detached from the telescopic support rod 1211, the optical axis cross fixed frame 1221 installed with the air cylinder 111 is installed on the surface of the telescopic support rod 1211, and then the first abutment head 1212 is connected with the telescopic support rod 1211.

[0070] Before closing the exhaust valve 111c and pressurizing the air cylinder 111, the method further comprises,

[0071] The telescopic support rod 1211 installed with the optical axis cross fixed frame 1221 is installed inside the switch cabinet.

[0072] It should be noted that the above embodiment is only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A remote control device for long-distance tripping operation of a switchgear, characterized in that: include, The positioning actuator (1) includes an execution component (11) and a positioning component (12), wherein the execution component (11) is used to perform a tripping operation on the switchgear; The positioning component (12) is detachably connected to the execution component (11), and the positioning component (12) is used to fix the position of the execution component (11); Control mechanism (2), wherein the control mechanism (2) is used to control the operating state of the execution component (11), and the control mechanism (2) is activally connected to the execution component (11); The positioning component (12) includes a telescopic component (121) and a positioning component (122). The telescopic component (121) is used to support the positioning component (122) inside a switch cabinet of different specifications. The positioning component (122) is used to fix the execution component (11). The positioning component (122) is movably connected to the outside of the telescopic component (121).

2. The remote control device for remote tripping operation of a switchgear as described in claim 1, characterized in that: The telescopic component (121) includes a telescopic support rod (1211), a first contact head (1212), and a second contact head (1213). The first contact head (1212) and the second contact head (1213) are respectively disposed at both ends of the telescopic support rod (1211), wherein the first contact head (1212) and the telescopic support rod (1211) are detachably and movably connected.

3. The remote control device for remote tripping operation of a switchgear as described in claim 2, characterized in that: The positioning component (122) is an optical axis cross bracket (1221). The optical axis cross bracket (1221) includes a first fixing hole (1221a) and a second fixing hole (1221b), and both the first fixing hole (1221a) and the second fixing hole (1221b) are provided with set screws (1221c).

4. The remote control device for remote tripping operation of a switchgear as described in claim 3, characterized in that: The telescopic support rod (1211) passes through the first fixing hole (1221a), and the set screw (1221c) inside the first fixing hole (1221a) fixes the telescopic support rod (1211).

5. A remote control device for remote tripping operation of a switchgear as described in claim 3 or 4, characterized in that: The actuating component (11) is a cylinder (111), which passes through the second fixing hole (1221b), and the set screw (1221c) inside the second fixing hole (1221b) fixes the cylinder (111); A quick connector (111a) and an extension tube (111b) are provided on one side of the cylinder (111).

6. The remote control device for remote tripping operation of a switchgear as described in claim 5, characterized in that: The two ends of the extension tube (111b) are respectively connected to the quick connector (111a) and the control mechanism (2); An exhaust valve (111c) is provided on the outside of the extended air tube (111b).

7. The remote control device for remote tripping operation of a switchgear as described in claim 5, characterized in that: The control mechanism (2) is a mini air pump (21), and the connector of the mini air pump (21) is connected to the extension tube (111b).

8. A remote control method for remote tripping operation of a switchgear, applied to the remote control device for remote tripping operation of a switchgear as described in any one of claims 1 to 7, characterized in that: include, Close the exhaust valve (111c) and pressurize the cylinder (111) so that the piston of the cylinder (111) pressurizes and contacts the trip button to trip. After the circuit breaker is closed, the cylinder (111) is reset, and then the device is disassembled.

9. The remote control method for remote tripping operation of a switchgear as described in claim 8, characterized in that: Before closing the exhaust valve (111c) and pressurizing the cylinder (111), the method includes, The cylinder (111) is installed inside the second fixing hole (1221b) and fixed with a set screw (1221c); Disassemble the first contact head (1212) from the telescopic support rod (1211), install the optical axis cross bracket (1221) with the cylinder (111) on the surface of the telescopic support rod (1211), and then connect the first contact head (1212) to the telescopic support rod (1211).

10. The remote control method for remote tripping operation of a switchgear as described in claim 9, characterized in that: Before closing the exhaust valve (111c) and pressurizing the cylinder (111), the method further includes, The telescopic support rod (1211) with the optical axis cross bracket (1221) is installed inside the switch cabinet.