CN222440407U - An anti-error interlocking device between a circuit breaker and a disconnector - Google Patents
An anti-error interlocking device between a circuit breaker and a disconnector Download PDFInfo
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- CN222440407U CN222440407U CN202421178176.1U CN202421178176U CN222440407U CN 222440407 U CN222440407 U CN 222440407U CN 202421178176 U CN202421178176 U CN 202421178176U CN 222440407 U CN222440407 U CN 222440407U
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- switch
- operating mechanism
- locking
- circuit breaker
- isolating switch
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- 230000000694 effects Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
本申请公开了一种断路器与隔离开关之间的防误连锁装置，属于断路器技术领域。包括隔离开关操作杆和断路器弹簧操作机构及框架，断路器弹簧操作机构包括分闸半轴，其特征在于：还包括设于框架顶部的隔离开关操作机构，所述隔离开关操作机构包括隔离开关操作电机和与隔离开关操作电机电连接的闭锁微动开关，隔离开关操作杆贯穿于隔离开关操作机构，隔离开关操作机构可遮挡隔离开关操作杆，所述隔离开关操作机构可触压闭锁微动开关，所述隔离开关操作机构可推动分闸半轴，解决了以往断路器与隔离开关之间联锁不可靠、容易失灵的弊端，能做到固定式断路器与隔离开关融为一体，而且结构简单，节省空间的技术效果。
The present application discloses an anti-misoperation interlocking device between a circuit breaker and an isolating switch, belonging to the technical field of circuit breakers. The device comprises an isolating switch operating rod, a circuit breaker spring operating mechanism and a frame, wherein the circuit breaker spring operating mechanism comprises a switch-off half-shaft, and is characterized in that: it also comprises a switch-off operating mechanism arranged at the top of the frame, wherein the switch-off operating mechanism comprises a switch-off operating motor and a locking microswitch electrically connected to the switch-off operating motor, wherein the switch-off operating rod passes through the switch-off operating mechanism, the switch-off operating mechanism can shield the switch-off operating rod, the switch-off operating mechanism can contact and press the locking microswitch, and the switch-off operating mechanism can push the switch-off half-shaft, thereby solving the problem that the interlocking between the circuit breaker and the isolating switch is unreliable and easy to fail in the past, and can achieve the technical effect of integrating the fixed circuit breaker and the isolating switch, and having a simple structure and saving space.
Description
Technical Field
The application relates to the technical field of circuit breakers, in particular to an anti-misoperation interlocking device between a circuit breaker and a disconnecting switch.
Background
In the high-voltage electrical appliance industry, as people pay more and more attention to electricity safety, strict requirements are put forward for various possible illegal operations, and the high-voltage electrical appliance product is required to have perfect mechanical error prevention measures. In the past, electrical contact error prevention measures and wire rope soft connection error prevention measures are adopted, and error prevention failures are often caused due to the reasons of electrical elements and wire rope soft connection modes, so that accidents are caused. Therefore, we propose an anti-misoperation interlocking device between the circuit breaker and the disconnecting switch.
Disclosure of utility model
The application aims to provide an anti-misoperation interlocking device between a circuit breaker and a disconnecting switch, which solves the technical problems in the background art, solves the defects of unreliable interlocking and easy failure of the traditional circuit breaker and the disconnecting switch, and has the technical effects of integrating a fixed circuit breaker and the disconnecting switch, along with simple structure and space saving.
The technical scheme of the application provides an anti-misoperation interlocking device between a circuit breaker and a disconnecting switch, which comprises a disconnecting switch operating rod, a circuit breaker spring operating mechanism and a frame, wherein the circuit breaker spring operating mechanism comprises a brake separating half shaft, and is characterized in that: the isolating switch operating mechanism comprises an isolating switch operating motor and a locking micro switch electrically connected with the isolating switch operating motor, the isolating switch operating rod penetrates through the isolating switch operating mechanism, the isolating switch operating mechanism can shield the isolating switch operating rod, the isolating switch operating mechanism can touch the locking micro switch, and the isolating switch operating mechanism can push the brake-separating half shaft.
As an alternative scheme of the technical scheme of the application, the isolating switch operating mechanism further comprises a locking shaft, a micro switch pressing plate, a separating gate ejector rod, a separating gate tripping bent plate and a locking baffle, wherein the micro switch pressing plate is fixed on the locking shaft and is arranged above a locking micro switch feeler lever, the separating gate ejector rod is rotatably connected on the locking shaft and is slidably inserted on a frame, the separating gate tripping bent plate is fixed on a separating gate half shaft, the locking baffle is fixed on the locking shaft, the separating gate ejector rod is vertically arranged with the separating gate half shaft, the locking shaft is coaxially fixed with a manual knob, and the isolating switch operating lever is arranged in the rotating radius of the locking baffle.
As an alternative scheme of the technical scheme of the application, a brake separating crank arm is fixed on the locking shaft, and the brake separating mandril is rotationally connected to the brake separating crank arm.
As an alternative to the technical solution of the present application, the frame is symmetrically fixed with a mounting bent plate, and the locking shaft is rotatably connected to the mounting bent plate.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. The application abandons the original soft connection interlocking mode of the steel wire rope and the interlocking mode of the contacts of the electric appliance, provides a simple and reliable mechanical interlocking mode, solves the defects of unreliable interlocking and easy failure of the traditional breaker, can integrate the fixed breaker and the isolating switch, has simple structure and saves space.
2. The interlocking device of the application realizes the rotation of the locking shaft, thus realizing the electric locking, the mechanical locking and the manual priority function of the isolating switch.
3. The interlocking device realizes that the circuit breaker cannot be switched on electrically and manually as long as the locking device is released.
4. The interlocking device realizes that the isolating switch cannot be operated as long as the mechanical interlocking is in the locking position.
Drawings
FIG. 1 is a schematic diagram showing the overall blocking state of an anti-false interlock device between a circuit breaker and a disconnector according to a preferred embodiment of the present application;
FIG. 2 is an enlarged schematic view of the structure of the anti-mis-interlocking device shown in FIG. 1A between a circuit breaker and a disconnector according to a preferred embodiment of the present application;
FIG. 3 is a schematic top view of the structure of FIG. 1 showing an anti-mis-interlocking device between a circuit breaker and a disconnector according to a preferred embodiment of the present application;
FIG. 4 is a schematic diagram showing an unlock state structure of an anti-mis-interlock device between a circuit breaker and a disconnecting switch according to a preferred embodiment of the present application;
FIG. 5 is an enlarged schematic view of the structure of the anti-mis-interlocking device between the breaker and the disconnector shown in FIG. 4 according to a preferred embodiment of the present application;
The reference numerals in the figure indicate that 1, a breaker spring operating mechanism, 2, a locking baffle plate, 3, a locking micro switch, 4, a micro switch pressing plate, 5, a brake separating crank arm, 6, a brake separating ejector rod, 7, a brake separating tripping bent plate, 8, a brake separating half shaft, 9, a disconnecting switch operating motor, 10, a disconnecting switch operating mechanism, 11, a disconnecting switch operating rod, 12, a manual knob, 13, a locking shaft, 14, a mounting bent plate and 15, a frame.
Detailed Description
The application is described in further detail below with reference to the drawings.
The utility model provides an anti-misoperation interlocking device between circuit breaker and isolator, including isolator operating lever 11 and circuit breaker spring operating device 1 and frame 15, circuit breaker spring operating device 1 includes brake half axle 8, still including locating the isolator operating device 10 at frame 15 top, isolator operating device 10 includes isolator operating motor 9 and the interlock micro-gap switch 3 of being connected with isolator operating motor 9 electricity, isolator operating lever 11 runs through in isolator operating device 10, isolator operating device 10 can shelter from isolator operating lever 11, isolator operating device 10 can touch and press the interlock micro-gap switch 3, isolator operating device 10 can promote brake half axle 8.
Referring to fig. 1-5, the disconnecting switch operating rod 11 penetrates through the hexagonal hole of the disconnecting switch operating mechanism 10, when the disconnecting switch operating mechanism 10 is in a locking state, the end of the disconnecting switch operating rod 11 is blocked by the interlocking device, the manual operating handle cannot be inserted into the operating shaft, so that the disconnecting switch cannot be operated manually, in this state, when the disconnecting switch is operated electrically, the disconnecting switch operating mechanism 10 needs to be rotated clockwise, the disconnecting switch operating rod 11 is deviated, the handle can be smoothly inserted into the disconnecting switch operating rod 11, and meanwhile, the disconnecting switch operating mechanism 10 pushes the disconnecting switch half shaft 8 to rotate clockwise, so that the disconnecting switch is always in a disconnecting state.
The isolating switch operating mechanism 10 further comprises a locking shaft 13, a micro switch pressing plate 4 fixed on the locking shaft 13 and arranged above a contact rod of the locking micro switch 3, a separating brake ejector rod 6 rotatably connected on the locking shaft 13 and slidably inserted on a frame 15, a separating brake tripping bent plate 7 fixed on a separating brake half shaft 8 and a locking baffle plate 2 fixed on the locking shaft 13, wherein the separating brake ejector rod 6 is vertically arranged with the separating brake half shaft 8, the locking shaft 13 is coaxially fixed with a manual knob 12, and the isolating switch operating rod 11 is arranged in the rotation radius of the locking baffle plate 2.
The locking shaft 13 is fixedly provided with a brake separating crank arm 5, and the brake separating mandril 6 is rotatably connected to the brake separating crank arm 5.
Referring to fig. 1-5, a locking shaft 13 is arranged on the right side of an isolating switch operating rod 11, the locking shaft 13 is fixed and guided by an installation bent plate 14, a locking baffle plate 2, an isolating switch crank arm 5, a micro switch pressing plate 4 and a manual knob 12 are fixed on the locking shaft 13 through screws, the isolating switch crank arm 5 is hinged with an isolating brake push rod 6, a interlocking device is in a locking state, the locking baffle plate 2 on the locking shaft 13 blocks the end of the isolating switch operating rod 11, a manual operating handle cannot be inserted into the operating shaft, the manual knob 12 is rotated clockwise to enable the interlocking device to be in an unlocking state, the locking shaft 13 is driven to rotate clockwise, the locking baffle plate 2, the isolating switch crank arm 5 and the micro switch pressing plate 4 fixed on the locking shaft 13 are also rotated clockwise, the locking baffle plate 2 deviates from the isolating switch operating rod 11, the handle can be smoothly inserted into the isolating switch operating rod 11, and simultaneously, the isolating switch crank arm 5 is rotated clockwise to drive the isolating brake push rod 6 to move downwards to push the isolating brake release bent plate 7 fixed on an isolating brake half shaft 8 to rotate clockwise.
The frame 15 is symmetrically fixed with a mounting bent plate 14, and the locking shaft 13 is rotatably connected to the mounting bent plate 14.
Referring to fig. 3, the locking shaft 13 is rotatably coupled to the mounting bent plate 14 by a bearing to limit the locking shaft 13.
The operating principle is that when the interlocking device is in a locking state (refer to fig. 3), the locking baffle plate 2 on the locking shaft 13 blocks the end of the disconnecting switch operating rod 11, the micro switch pressing plate 4 presses the contact of the locking micro switch 3, the manual operating handle cannot be inserted into the operating shaft, and therefore the disconnecting switch cannot be operated manually, in the state, the disconnecting switch is required to be operated electrically, because the auxiliary contact of the circuit breaker is connected in series with the disconnecting switch operating circuit, the disconnecting switch cannot be operated electrically as long as the circuit breaker is in a closing position, misoperation of the disconnecting switch on load is prevented, and in order to realize operation of the manual disconnecting switch, the manual knob 12 is required to be rotated clockwise to enable the interlocking device to be in an unlocking state (refer to fig. 5), so that the locking shaft 13 is driven to rotate clockwise, and the locking baffle plate 2, the disconnecting switch turning arm 5 and the micro switch pressing plate 4 are also rotated clockwise, the contact of the locking micro switch 3 is deviated from the disconnecting switch operating rod 11, and the handle can be inserted into the disconnecting switch operating rod 11, so that the disconnecting switch turning arm 5 rotates clockwise to drive the disconnecting switch to rotate clockwise, and the disconnecting switch is driven to rotate the disconnecting switch to be in the disconnecting switch off state, and the disconnecting switch is always in the disconnecting switch on the disconnecting switch 8, and the disconnecting switch is prevented from being in the state, and the disconnecting switch is in the state, so that the disconnecting switch is in the state is guaranteed to be in the state, and the disconnecting switch is in the state, and the state is in the state easy to be in the state. When the disconnecting switch is electrically operated, the locking device is not required to be unlocked, and the electric contact switching mode is adopted, so that the disconnecting switch can be electrically operated only under the condition that the circuit breaker is disconnected and the manual operation is locked.
Claims (4)
1. The anti-misoperation interlocking device between the circuit breaker and the isolating switch comprises an isolating switch operating rod (11), a circuit breaker spring operating mechanism (1) and a frame (15), wherein the circuit breaker spring operating mechanism (1) comprises a brake separating half shaft (8), and is characterized by further comprising an isolating switch operating mechanism (10) arranged at the top of the frame (15), the isolating switch operating mechanism (10) comprises an isolating switch operating motor (9) and a locking micro switch (3) electrically connected with the isolating switch operating motor (9), the isolating switch operating rod (11) penetrates through the isolating switch operating mechanism (10), the isolating switch operating mechanism (10) can shield the isolating switch operating rod (11), the isolating switch operating mechanism (10) can touch the locking micro switch (3), and the isolating switch operating mechanism (10) can push the brake separating half shaft (8).
2. The anti-misoperation interlocking device between a circuit breaker and a disconnecting switch is characterized in that the disconnecting switch operating mechanism (10) further comprises a locking shaft (13), a micro switch pressing plate (4) which is fixed on the locking shaft (13) and is arranged above a contact rod of the locking micro switch (3), a disconnecting mandril (6) which is rotatably connected on the locking shaft (13) and is slidingly inserted on a frame (15), a disconnecting tripping bent plate (7) which is fixed on a disconnecting half shaft (8) and a locking baffle (2) which is fixed on the locking shaft (13), the disconnecting mandril (6) is perpendicular to the disconnecting half shaft (8), a manual knob (12) is coaxially fixed on the locking shaft (13), and the disconnecting switch operating rod (11) is arranged in the rotation radius of the locking baffle (2).
3. The anti-misoperation interlocking device between the circuit breaker and the disconnecting switch according to claim 2 is characterized in that a brake separating crank arm (5) is fixed on the locking shaft (13), and the brake separating ejector rod (6) is rotatably connected to the brake separating crank arm (5).
4. An anti-mis-interlocking device between a circuit breaker and a disconnector according to claim 2, characterized in that the frame (15) is symmetrically fixed with a mounting bent plate (14), and the locking shaft (13) is rotatably connected to the mounting bent plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421178176.1U CN222440407U (en) | 2024-05-27 | 2024-05-27 | An anti-error interlocking device between a circuit breaker and a disconnector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421178176.1U CN222440407U (en) | 2024-05-27 | 2024-05-27 | An anti-error interlocking device between a circuit breaker and a disconnector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222440407U true CN222440407U (en) | 2025-02-07 |
Family
ID=94407419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421178176.1U Active CN222440407U (en) | 2024-05-27 | 2024-05-27 | An anti-error interlocking device between a circuit breaker and a disconnector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222440407U (en) |
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2024
- 2024-05-27 CN CN202421178176.1U patent/CN222440407U/en active Active
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