CN215342415U - Novel three station isolator of modularization - Google Patents
Novel three station isolator of modularization Download PDFInfo
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- CN215342415U CN215342415U CN202121715079.8U CN202121715079U CN215342415U CN 215342415 U CN215342415 U CN 215342415U CN 202121715079 U CN202121715079 U CN 202121715079U CN 215342415 U CN215342415 U CN 215342415U
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- contact
- isolating switch
- isolator
- main shaft
- moving contact
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Abstract
The utility model discloses a novel modularized three-station isolating switch which comprises an isolating switch body, an isolating switch operating mechanism and an isolating switch panel, wherein the isolating switch operating mechanism and the isolating switch panel can be independently detached as independent modules for maintenance.
Description
Technical Field
The utility model relates to the technical field of isolating switch equipment, in particular to a novel modularized three-station isolating switch.
Background
In recent years, with the development of power transmission and distribution systems, isolating switches have been widely used. The three-station isolating switch integrates a grounding station on the traditional two-station isolating switch, and is widely applied to a traction power supply system in the field of rail transit. The three-station isolating switch has three working positions, namely a switching-on position, a grounding position and a middle isolating position. Three station isolator on the existing market have the switch structure complicacy, be difficult for overhauing, the reliability shortcoming such as poor, lead to the safe earthing device that rail transit system used at present to occupy the substation space big, extravagant civil engineering area, and isolator overhauls complicacy simultaneously, needs a large amount of maintainers of supporting. In order to prevent misoperation of the isolating switch in the maintenance process, a complex locking condition needs to be set on the isolating switch, so that an interlocking circuit between two devices is complex, and the maintenance time is long.
In order to solve the above problems, for example, the marine shore power direct current electric manual isolating switch disclosed in application publication No. CN107658174A includes a mounting plate and a base plate fixed as a whole by a support rod, a main circuit conducting system capable of realizing the function of a main circuit switch is arranged between the mounting plate and the base plate, and a secondary circuit plug interface and a switching-on/off indicating device are further arranged on the outer side surface of the base plate.
At present, the above patents have certain disadvantages in the actual operation process: the chinese patent with publication number CN107658174A realizes switching on and off by driving the switch structure to rotate by the motor, and has good shock resistance and vibration resistance. However, the operating mechanism is integrated on the isolating switch, and an independent isolating switch panel is not provided, so that the defects of complex structure and difficult maintenance exist. In summary, a modular three-position disconnecting switch device with simple structure, compact volume, convenient maintenance and high reliability is needed to greatly improve the maintainability and the service life of the disconnecting switch.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a novel modularized three-position isolating switch to solve the problems.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a novel three station isolator of modularization, includes isolator body, isolator operating device, isolator panel, and isolator operating device fixes on the isolator body, and the isolator panel is fixed on isolator operating device, and isolator operating device and isolator panel can pull down alone as independent module and maintain and compact.
Preferably, the isolating switch body comprises a closing contact, a grounding contact, an intermediate contact, a moving contact, a main shaft, a moving contact driving mechanism and a contact observation window.
Preferably, the closing contact and the grounding contact are located on a rotating track of the moving contact, the middle contact is located below a symmetric line of the closing contact and the grounding contact, the moving contact is connected with a moving contact driving mechanism, the moving contact driving mechanism is respectively connected with the moving contact and the main shaft, and the contact observation window is arranged on the isolating switch body.
Preferably, the isolating switch operating mechanism comprises a travel switch, a wiring terminal, a motor, a gearbox, a limiting device and an operating main shaft.
Preferably, the travel switch is arranged at the upper end of the operation main shaft, the wiring terminal leads out a signal wiring of the travel switch and the motor, the gearbox is respectively connected with the motor and the operation main shaft, and the limiting device is arranged on the side face of the operation main shaft.
Preferably, the isolating switch panel comprises a position indicator and a manual operation hole.
Preferably, the position indication plate is arranged on the panel of the isolating switch, the interior of the position indication plate is connected with the tail end of the operation main shaft, the manual operation hole is connected with the moving contact driving mechanism, the position indication plate can be driven manually or electrically, and the reliability is high.
Compared with the prior art, the device has the advantages that: novel three station isolator of modularization includes isolator body, isolator operating device, isolator panel, and isolator operating device and isolator panel can pull down alone as independent module and maintain, and novel three station isolator of modularization simple structure, compact, maintenance convenience, reliability are high, improve isolator's maintainability and life by a wide margin.
Drawings
FIG. 1 is a schematic structural diagram of a novel modular three-position disconnecting switch according to the present invention;
FIG. 2 is a schematic structural diagram of a disconnector body according to the present invention;
FIG. 3 is a schematic structural diagram of a disconnector body according to the present invention;
FIG. 4 is a schematic structural diagram of a novel modular three-position disconnecting switch according to the present invention;
fig. 5 is a schematic structural diagram of a novel modular three-position disconnecting switch according to the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The utility model provides a technical scheme that: the utility model provides a novel three station isolator of modularization, includes isolator body 1, isolator operating device 2, isolator panel 3, and isolator operating device 2 fixes on isolator body 1, and isolator panel 3 fixes on isolator operating device 2, and isolator operating device 2 and isolator panel 3 can pull down alone as independent module and maintain and compact. The isolating switch body 1 comprises a closing contact 11, a grounding contact 12, an intermediate contact 13, a moving contact 14, a main shaft 15, a moving contact driving mechanism 16 and a contact observation window 17. The closing contact 11 and the grounding contact 12 are located on a rotation track of the moving contact 14, the middle contact 13 is located below a symmetry line of the closing contact 11 and the grounding contact 12 and connected with the moving contact 14 to serve as an incoming line side of an integral switch, the moving contact 14 is connected with a moving contact driving mechanism 16, the moving contact driving mechanism 16 is respectively connected with the moving contact 14 and a main shaft 15, a contact observation window 17 is arranged on the isolating switch body 1 and can observe the motion track of the moving contact 14 to judge whether the moving contact 14 is communicated with the closing contact 11 and the grounding contact 12 or not, the main shaft 15 can rotate clockwise or anticlockwise, the moving contact 14 rotates around a hinge point of the moving contact 14 through the moving contact driving mechanism 16, and the hinge point of the moving contact 14 is located below the moving contact 14. The isolating switch operating mechanism 2 comprises a travel switch 21, a wiring terminal 22, a motor 23, a gearbox 24, a limiting device 25 and an operating main shaft 26. The travel switch 21 is arranged at the upper end of the operating main shaft 26, the wiring terminal 22 leads out the signal wiring of the travel switch 21 and the motor 23, the gear box 24 is respectively connected with the motor 23 and the operation main shaft 26, the limiting device 25 is arranged on the side surface of the operation main shaft 26, the front end of the operation main shaft 26 is connected with the main shaft 15 in a clamping groove or key mode, and drives the movable contact 14 to rotate through the main shaft 15, the travel switch 21 is used for detecting the position of the operating main shaft 26, and then the position of the movable contact 14 is judged according to the position of the operating main shaft 26, the motor 23 and the gear box 24 drive the operating main shaft 26 to rotate through electric power, the limiting device 25 locks the middle position of the operating main shaft 26, after receiving a manual or electric unlocking command, the main shaft 26 can be operated to move continuously, and signal wires related to the travel switch 21 and the motor 23 in the isolating switch can be led out through the wiring terminal 22. The disconnector panel 3 comprises a position indicator 31, a manual operating hole 32. The position indication board 31 is arranged on the panel 3 of the isolating switch, the interior of the position indication board is connected with the tail end of the operation main shaft 26, the position of the moving contact 14 can be indicated, the manual operation hole 32 is connected with the moving contact driving mechanism 16, the manual operation hole 32 can be opened or closed according to needs, and an operation handle is inserted to drive the operation main shaft 26 to move, so that the aim of manually operating the isolating switch is fulfilled.
Example (b): before work, the limiting device 25 locks the middle position of the operation main shaft 26, after receiving a manual or electric unlocking command, the operation main shaft 26 can continue to move, and the novel modularized three-position isolating switch has two operation modes of manual operation and electric operation.
Electric mode: the motor 23 and the gearbox 24 drive the operation main shaft 26 to rotate through electric power, the front end of the operation main shaft 26 is connected with the main shaft 15 through a clamping groove or a key mode, the main shaft 15 drives the movable contact 14 to rotate, the travel switch 21 is used for detecting the position of the operation main shaft 26, the position of the movable contact 14 is further judged according to the position of the operation main shaft 26, the movable contact 14 rotates around a hinge point of the movable contact 14 through the movable contact driving mechanism 16, the contact observation window 17 is arranged on the isolating switch body 1, the motion track of the movable contact 14 can be observed, and whether the movable contact 14 is conducted with the closing contact 11 and the grounding contact 12 or not is judged.
Manual mode: the manual operation hole 32 is connected with the moving contact driving mechanism 16, the manual operation hole 32 can be opened or closed as required, an operation handle is inserted to drive the operation main shaft 26 to move, the travel switch 21 is used for detecting the position of the operation main shaft 26, the position of the moving contact 14 is further judged according to the position of the operation main shaft 26, the moving contact 14 rotates around a hinge point of the moving contact through the moving contact driving mechanism 16, the contact observation window 17 is arranged on the isolating switch body 1, the motion track of the moving contact 14 can be observed, and whether the moving contact 14 is conducted with the closing contact 11 and the grounding contact 12 or not is judged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. A novel three station isolator of modularization which characterized in that: including isolator body (1), isolator operating device (2), isolator panel (3), isolator operating device (2) are fixed on isolator body (1), isolator panel (3) are fixed on isolator operating device (2), isolator operating device (2) are including travel switch (21), binding post (22), motor (23), gearbox (24), stop device (25), operation main shaft (26), travel switch (21) set up in operation main shaft (26) upper end, the signal connection of travel switch (21) and motor (23) is drawn forth in binding post (22), gearbox (24) are connected respectively with motor (23) and operation main shaft (26), stop device (25) set up the side in operation main shaft (26).
2. The novel modular three-position isolating switch according to claim 1, characterized in that: the isolating switch body (1) comprises a closing contact (11), a grounding contact (12), an intermediate contact (13), a moving contact (14), a main shaft (15), a moving contact driving mechanism (16) and a contact observation window (17).
3. The novel modular three-position isolating switch as claimed in claim 2, wherein: the closing contact (11) and the grounding contact (12) are positioned on the rotating track of the movable contact (14).
4. The novel modular three-position isolating switch as claimed in claim 2, wherein: the middle contact (13) is positioned below the symmetry line of the closing contact (11) and the grounding contact (12).
5. The novel modular three-position isolating switch as claimed in claim 2, wherein: the moving contact (14) is connected with a moving contact driving mechanism (16).
6. The novel modular three-position isolating switch as claimed in claim 2, wherein: the moving contact driving mechanism (16) is respectively connected with the moving contact (14) and the main shaft (15).
7. The novel modular three-position isolating switch as claimed in claim 2, wherein: the contact observation window (17) is arranged on the isolating switch body (1).
8. The novel modular three-position isolating switch according to claim 1, characterized in that: the isolating switch panel (3) comprises a position indication plate (31) and a manual operation hole (32).
9. The novel modular three-position isolating switch of claim 8, wherein: the position indication plate (31) is arranged on the isolating switch panel (3), the interior of the position indication plate is connected with the tail end of the operation main shaft (26), and the manual operation hole (32) is connected with the moving contact driving mechanism (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121715079.8U CN215342415U (en) | 2021-07-27 | 2021-07-27 | Novel three station isolator of modularization |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121715079.8U CN215342415U (en) | 2021-07-27 | 2021-07-27 | Novel three station isolator of modularization |
Publications (1)
Publication Number | Publication Date |
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CN215342415U true CN215342415U (en) | 2021-12-28 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202121715079.8U Active CN215342415U (en) | 2021-07-27 | 2021-07-27 | Novel three station isolator of modularization |
Country Status (1)
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CN (1) | CN215342415U (en) |
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2021
- 2021-07-27 CN CN202121715079.8U patent/CN215342415U/en active Active
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