Direct-acting grounding three-station isolation mechanism capable of realizing automatic remote control

Abstract

A direct-acting type grounding three-station isolation mechanism capable of achieving automatic remote control comprises an equipment frame and an upper computer, a manual control indication panel is installed on the front side of the equipment frame, and a manual opening and closing operation interface is integrated on the manual control indication panel; the equipment frame is further provided with a manual misoperation prevention limiting mechanism, a manual operation assembly, an automatic power assembly, a remote communication module, an intelligent automatic control assembly, a gear transmission assembly and a power output assembly. In conclusion, the utility model aims to solve the technical problem of providing the three-station isolation mechanism for the gas insulated switchgear, which can realize automatic remote control, and the mechanism can efficiently and safely realize remote monitoring and control, improve the automation level, reduce the operation and maintenance cost, and enhance the adaptability and stability of the system in various environments at the same time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of power system automation control technology, specifically relates to a kind of direct-acting grounding three-position isolation mechanism that can realize automatic remote control. BACKGROUND

[0002] As an important equipment in modern power system, the gas-filled cabinet is widely used in urban power grid, industrial power distribution and other fields due to its compact structure and excellent insulation performance. The traditional three-position isolation mechanism of the gas-filled cabinet is mostly controlled manually or partially automatically, which requires on-site personnel to operate directly or through a wired control system. With the development of smart grid, there is an increasing demand for remote monitoring and automatic control of power equipment, and the traditional operating mechanism has been difficult to meet the efficient, safe and real-time operation and maintenance requirements.

[0003] Although there are now some solutions that install sensors and actuators in the gas-filled cabinet and cooperate with local controllers to achieve a certain degree of automatic operation, these solutions usually do not have remote communication capabilities or have limited remote communication capabilities, which cannot achieve comprehensive remote monitoring and control, and have insufficient reliability and flexibility in complex environments. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a direct-acting grounding three-position isolation mechanism that can realize automatic remote control, which can efficiently and safely realize remote monitoring and control, improve the automation level, reduce operation and maintenance costs, and enhance the adaptability and stability of the system in various environments.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A direct-acting grounding three-position isolation mechanism that can realize automatic remote control, comprising a device frame and an upper computer, a manual control instruction panel is installed on the front side of the device frame, and a manual switching operation interface is integrated on the manual control instruction panel;

[0007] The device frame is also provided with a manual misoperation prevention limiting mechanism, a manual operation assembly, an automatic power assembly, a remote communication module, an intelligent automatic control assembly, a gear transmission assembly and a power output assembly;

[0008] The manual misoperation prevention limiting mechanism comprises a manual misoperation prevention limiting lever and three gears, the manual misoperation prevention limiting lever is arranged on the manual control instruction panel, and the manual misoperation prevention limiting lever is used to switch among the three gears, the three gears are isolation gear, grounding gear and unlocking gear respectively, when in the unlocking gear, the isolation interface and the grounding interface are locked, when in the isolation gear, only the isolation interface is allowed to operate, and the grounding interface is locked; when in the grounding gear, only the grounding interface is allowed to operate, and the isolation interface is locked;

[0009] The hand-operated component is connected with a hand-operated opening and closing interface at the front end and connected with the gear transmission component at the rear end.

[0010] The automatic power component is connected with the intelligent automatic control component at the front end, receives and responds to the forward rotation, reverse rotation and stop instructions from the front end, and is connected with the gear transmission component at the rear end to convert the received instructions into the rotation power of the gear.

[0011] The remote communication module uploads the opening and closing state and working state of the device system to the upper computer in real time, receives the operation instructions from the upper computer, and realizes the remote monitoring and control function.

[0012] The intelligent automatic control component comprises a microprocessor, an auxiliary switch and a micro-motion stroke switch, the micro-motion stroke switch and the auxiliary switch are used for monitoring the gear transmission component to realize the accurate feedback of the in-place signal, and the microprocessor intelligently adjusts and executes the corresponding output instructions according to the signal change.

[0013] The gear transmission component is used for connecting the hand-operated component, the automatic power component and the power output component.

[0014] The power output component is connected with the gear transmission component at the front end and converts the received power into the opening and closing action at the rear end.

[0015] Further, the gear transmission component comprises a mechanical limiting component.

[0016] Further, the direct-acting three-position grounding isolation mechanism capable of realizing automatic remote control further comprises a transmission torque safety protection mechanism, which is arranged in the gear transmission component, and when the transmission torque exceeds the preset safety range, the transmission torque safety protection mechanism starts the idle protection mechanism.

[0017] Compared with the prior art, the device frame of the utility model adopts high-strength material to ensure the stability and durability, improve the overall quality and operation stability of the device, secondly, the design of the anti-hand operation error limiting mechanism effectively avoids human error operation and improves the safety of operation, thirdly, the introduction of the automatic power component and the intelligent automatic control component enables the operation mechanism to realize automatic remote control, greatly improves the work efficiency and the convenience of operation, the addition of the remote communication module realizes the real-time uploading of the device state and remote monitoring, and facilitates the timely discovery and processing of device faults, finally, the design of the transmission torque safety protection mechanism provides all-round safety protection for the device and effectively prevents the damage of the device caused by excessive transmission torque, in short, the utility model is superior to the prior art in terms of technical performance, safety, work efficiency and energy saving and environmental protection. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0019] Figure 1 It is a perspective view of a direct-acting grounding three-position isolation mechanism which can realize automatic remote control.

[0020] Figure 2 It is another perspective view of a direct-acting grounding three-position isolation mechanism which can realize automatic remote control;

[0021] Figure 3 It is a sectional view of a direct-acting grounding three-position isolation mechanism which can realize automatic remote control;

[0022] Figure 4 It is a front view of a direct-acting grounding three-position isolation mechanism which can realize automatic remote control;

[0023] Figure 5 It is a right view of Figure 4 ;

[0024] Figure 6 It is a sectional view of Figure 5 at D-D. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] The present application will be further described in detail below in conjunction with the embodiments.

[0027] As shown in Figures 1-6 , a specific embodiment of a direct-acting grounding three-position isolation mechanism which can realize automatic remote control provided by the present application is as follows:

[0028] A direct-acting grounding three-position isolation mechanism which can realize automatic remote control comprises a device frame 1 and an upper computer. The device frame 1 is a basic support structure of the entire three-position isolation mechanism of the gas-filled cabinet, is made of high-strength material, ensures stability and durability, meets the installation and fixation requirements of various components inside the device, and provides a solid foundation for stable operation of the entire system.

[0029] The front side of the equipment frame 1 is provided with a manual control instruction panel 2, the manual control instruction panel 2 is integrated with a manual on-off operation interface, and there is a clear on-off state indicator on the panel, and detailed operation steps and precautions are attached to the panel, so that the operator can accurately and safely perform manual operation.

[0030] The equipment frame 1 is also provided with a manual misoperation prevention limiting mechanism 4, a manual operation assembly 5, an automatic power assembly 6, a remote communication module 7, an intelligent automatic control assembly 8, a gear transmission assembly 9 and a power output assembly 10.

[0031] The manual misoperation prevention limiting mechanism 4 comprises a manual misoperation prevention limiting lever 11 and three gears 12, the manual misoperation prevention limiting lever is arranged on the manual control instruction panel 2, the manual misoperation prevention limiting lever 11 is used for switching among the three gears 12, the three gears 12 are respectively an isolation gear, a grounding gear and an unlocking gear, when in the unlocking gear, the isolation interface and the grounding interface are locked, when in the isolation gear, only the isolation interface is allowed to operate, and the grounding interface is locked; when in the grounding gear, only the grounding interface is allowed to operate, and the isolation interface is locked.

[0032] The manual operation assembly 5 is connected with the manual on-off operation interface at the front end and connected with the gear transmission assembly 9 at the rear end, and accurately transmits the forward rotation or reverse rotation instruction; the manual operation assembly 5 comprises a manual isolation box and a manual grounding box, and linkage effect is realized through precise gear meshing.

[0033] The automatic power assembly 6 comprises a high-efficiency motor 13 and a precision gear, the front end of the automatic power assembly 6 is connected with the intelligent automatic control assembly 8, receives and responds to the forward rotation, reverse rotation and stop instructions from the front end, and the rear end of the automatic power assembly 6 is connected with the gear transmission assembly 9, and the received instructions are converted into rotation power of the gear.

[0034] The remote communication module 7 uploads the on-off state and working state of the equipment system to the upper computer in real time, receives the operation instructions issued by the upper computer, and realizes the remote monitoring and control function.

[0035] The intelligent automatic control assembly 8 comprises a microprocessor, an auxiliary switch and a micro-motion stroke switch, the micro-motion stroke switch and the auxiliary switch are used for monitoring the gear transmission assembly 9, accurate feedback of the in-place signal is realized, the microprocessor intelligently adjusts and executes the corresponding output instructions according to the change of the signal.

[0036] The gear transmission assembly 9 is used for connecting the manual operation assembly 5, the automatic power assembly 6 and the power output assembly 10; preferably, the gear transmission assembly 9 comprises a mechanical limiting assembly, so that the power output assembly 10 moves within a specified range, and damage of the equipment caused by overaction is avoided.

[0037] The power output assembly 10, as the final execution component of the entire operating mechanism, is connected with the gear transmission assembly 9 at the front end, and converts the received power into opening and closing actions at the rear end, so as to ensure that the three-position isolation mechanism for the gas-filled cabinet can accurately and reliably complete the work task.

[0038] In order to improve the safety of the equipment, a transmission torque safety protection mechanism 14 can also be provided, which is arranged in the gear transmission assembly 9. When the transmission torque exceeds the preset safety range, the transmission torque safety protection mechanism 14 starts the idling protection mechanism, effectively preventing the gear from being stuck and the motor from being damaged due to sensor failure or foreign matter invasion, and providing all-round safety protection for the equipment.

[0039] It should be noted that there are many alternative solutions in the technical solutions of the present embodiment that can also achieve the purpose of the invention, for example, in terms of the equipment frame 1, other high-strength and corrosion-resistant materials can be used to replace the existing materials to meet the use requirements in different environments. In terms of the anti-manual misoperation limiting mechanism 4, different limiting gears and locking mechanisms can be designed to achieve more flexible operation control. In addition, in terms of the automated power assembly 6 and the intelligent automatic control assembly 8, other types of motors, controllers and sensors can also be used to optimize the performance of the equipment and reduce costs. In the research and development process, we have also explored a variety of extensible technical solutions, such as adding a fault diagnosis module and optimizing the remote communication protocol, to further improve the reliability and ease of use of the equipment.

[0040] It should be noted that in this paper, terms such as "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0041] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A three-position grounding isolation mechanism capable of automated remote control, characterized in that: The device frame and the host computer are included, the front side of the device frame is provided with a manual control instruction panel, and a manual on-off operation interface is integrated on the manual control instruction panel; The device frame is further provided with a manual misoperation prevention limiting mechanism, a manual operation assembly, an automatic power assembly, a remote communication module, an intelligent automatic control assembly, a gear transmission assembly and a power output assembly; The manual misoperation prevention limiting mechanism includes a manual misoperation prevention limiting lever and three gears, the manual misoperation prevention limiting lever is arranged on the manual control instruction panel, and the manual misoperation prevention limiting lever is used for switching among the three gears, the three gears are an isolation gear, a grounding gear and an unlocking gear, when the unlocking gear is selected, the isolation interface and the grounding interface are locked, when the isolation gear is selected, only the isolation interface is allowed to be operated, and the grounding interface is locked; when the grounding gear is selected, only the grounding interface is allowed to be operated, and the isolation interface is locked; The manual operation assembly is connected with the manual on-off operation interface at the front end and connected with the gear transmission assembly at the rear end; The automatic power assembly is connected with the intelligent automatic control assembly at the front end, receives and responds to forward rotation, reverse rotation and stop instructions from the front end, and is connected with the gear transmission assembly at the rear end, and converts the received instructions into rotation power of the gear; The remote communication module uploads the on-off state and working state of the device system to the host computer in real time, receives operation instructions issued by the host computer, and realizes remote monitoring and control functions; The intelligent automatic control assembly includes a microprocessor, an auxiliary switch and a micro-motion stroke switch, the micro-motion stroke switch and the auxiliary switch are used for monitoring the gear transmission assembly, accurate feedback of a position signal is realized, the microprocessor intelligently adjusts and executes corresponding output instructions according to the change of the signal; The gear transmission assembly is used for connecting the manual operation assembly, the automatic power assembly and the power output assembly; The power output assembly is connected with the gear transmission assembly at the front end, and converts the received power into on-off actions at the rear end.

2. The remote control direct-acting grounding three-position isolating mechanism capable of automation according to claim 1, characterized in that: The gear transmission assembly includes a mechanical limiting assembly.

3. The remote control direct-acting grounding three-position isolating mechanism capable of automation according to claim 1, characterized in that: Further, a transmission torque safety protection mechanism is arranged in the gear transmission assembly, and when the transmission torque exceeds a preset safety range, the transmission torque safety protection mechanism starts an idle protection mechanism.

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