CN216213215U - Integrated circuit breaker interlocking device - Google Patents
Integrated circuit breaker interlocking device Download PDFInfo
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- CN216213215U CN216213215U CN202122616335.4U CN202122616335U CN216213215U CN 216213215 U CN216213215 U CN 216213215U CN 202122616335 U CN202122616335 U CN 202122616335U CN 216213215 U CN216213215 U CN 216213215U
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- circuit breaker
- guide plate
- positioning guide
- positioning
- integrated circuit
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Abstract
The utility model discloses an interlocking device of an integrated circuit breaker. The positioning guide plate comprises an operation panel and a positioning guide plate, wherein the operation panel is arranged on switch equipment, the positioning guide plate is positioned on the rear side of the operation panel, an isolating switch operation inner hole, a grounding switch operation inner hole and a limiting hole are formed in the positioning guide plate, a positioning assembly matched with four limiting holes is arranged in the operation panel, and the positioning guide plate can be selectively positioned on different height positions and can be inserted into the limiting holes of the corresponding height positions through the positioning assembly to position the positioning guide plate. After adopting above-mentioned structure, can directly be through locating component with the location deflector locking, isolator, earthing switch and circuit breaker all can't operate, play five preventions and act on, only when under the separating brake condition, just can make the location deflector remove the purpose of keeping apart, ground connection, circuit breaker operation to because the cooperation relation is simple reliable between its each part, improved the reliability of interlocking, guaranteed the security of using.
Description
Technical Field
The utility model relates to an operation auxiliary structure in high-voltage switch equipment in the field of wind power and photovoltaic power generation, in particular to an integrated circuit breaker interlocking device.
Background
An integrated circuit breaker in an integrated combined electrical appliance for wind power and photovoltaic power generation is an integrated switching element in which a circuit breaker, a disconnecting switch and a grounding switch are integrated in a high-voltage switchgear, and in the operation process of the integrated switching element, the requirements which must be met are as follows: when the circuit breaker is in the state of operating the switch-on position, the live operation of the isolating switch is not allowed, and the operation switch-on of the grounding switch is also not allowed; when the circuit breaker overhauls the state (isolator has been opened now, earthing switch has closed a floodgate), can open this moment, close a floodgate operation to the circuit breaker to overhaul, nevertheless allow isolator and earthing switch to operate this moment, in order to avoid the circuit breaker electrified, cause maintainer's danger. In order to meet the action requirements, in the prior art, the purpose is usually achieved by adopting a very complex interlocking structure, and the existing interlocking structure is not only complex in structural design, but also various in action process and poor in interlocking reliability, and still has some uncertain potential safety hazards.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an interlocking device of an integrated circuit breaker, which has simple structural design, reliable interlocking and good safety.
In order to solve the technical problem, the interlocking device of the integrated circuit breaker comprises an operation panel which is arranged on a switch device and is provided with an isolating switch operation outer hole and a grounding switch operation outer hole, and a positioning guide plate which is arranged at the rear side of the operation panel and can vertically reciprocate, wherein an isolating switch operation inner hole which can correspond to the isolating switch operation outer hole, a grounding switch operation inner hole which corresponds to the grounding switch operation outer hole and four limiting holes which can enable the positioning guide plate to be respectively positioned at four different height positions of a working position, an isolating switch operation position, a grounding switch operation position and an overhaul position are formed in the positioning guide plate, a positioning assembly which can be matched with the four limiting holes is arranged in the operation panel, and the positioning guide plate can be selectively positioned at the working position, the isolating switch operation position, the grounding switch operation position and the overhaul position and inserted into the limiting holes at the corresponding height positions through the positioning assembly to realize positioning guide And (4) positioning the plate.
The positioning assembly comprises a connecting lever capable of swinging, a push rod hinged at one end of the connecting lever and a positioning pin hinged at the other end of the connecting lever, and the connecting lever can drive the positioning pin to move back and forth by vertical lifting of the push rod so as to be selectively inserted into the corresponding height position in the limiting hole.
A supporting frame located behind the guide positioning plate is arranged in the operation panel, and the crank arm is hinged to the supporting frame.
The ejector rod is connected to a circuit breaker operating mechanism in the switch device.
The operation panel and the support frame are both installed on the top of the switchgear.
Each limiting hole is a transverse waist-shaped hole.
And a guide structure for guiding the vertical movement of the guide positioning plate is arranged in the operation panel.
And an operating rod extending out of the operating panel is arranged on the positioning plate in a guiding manner.
The operating panel is provided with a strip-shaped guide groove, and the operating rod extends into the strip-shaped guide groove.
After adopting foretell structure, through the special construction's that sets up location deflector and can with four spacing hole complex locating component, realized when the circuit breaker combined floodgate through ingenious simple structure from this, can directly pass through locating component with the location deflector locking, isolator, earthing switch and circuit breaker all can't be operated, play five prevention effects, only under the separating brake condition, just can make the location deflector remove and keep apart, ground connection, the purpose of circuit breaker operation, its structural design is very simple, the operation is used reliably, the reliability of interlocking has been improved greatly, the safety of maintainer has been guaranteed.
Drawings
Fig. 1 is a schematic front view of an integrated circuit breaker interlock apparatus of the present invention;
FIG. 2 is a schematic side view of the integrated circuit breaker interlock of the present invention;
fig. 3 is a schematic structural view of the locked state of the present invention.
Detailed Description
The integrated circuit breaker interlock apparatus of the present invention will be described in further detail with reference to the accompanying drawings and the detailed description.
As shown in the figure, the integrated circuit breaker interlocking device can be used for a 40.5KV new energy high-voltage vacuum circuit breaker integrated combined electrical apparatus, and comprises an operation panel 4 which is arranged on the front side of the top of a switch device 1 (the right side direction shown in figure 2 is defined as the front side of the top) and is provided with an isolating switch operation outer hole 2 and a grounding switch operation outer hole 3, and a positioning guide plate 5 which is arranged on the rear side of the operation panel (namely the left side of the direction shown in figure 2) and can vertically reciprocate, wherein the cabinet opening device is inevitably provided with an integrated circuit breaker, the positioning guide plate 5 is provided with an isolating switch operation inner hole 6 corresponding to the isolating switch operation outer hole, a grounding switch operation inner hole 7 corresponding to the grounding switch operation outer hole and limiting holes 8 capable of enabling the positioning guide plate to be respectively arranged at four different height positions, and the positioning guide plate can be respectively arranged at a working position, a grounding switch operation outer hole 3 and a limiting hole 8 capable of enabling the positioning guide plate to be respectively arranged at four different height positions, An isolating switch operation position, an earthing switch operation position and an overhaul position (arranged from top to bottom), wherein, as can be seen from figure 1, each limit hole 8 is arranged into a transverse waist-shaped hole, the transverse error of the limit holes can be ensured by designing the waist-shaped hole structure, the use reliability is ensured, a positioning assembly which can be matched with the limit holes at four different height positions is arranged in the operation panel 4, the positioning guide plate 5 can be selectively positioned at a working position, the isolating switch operation position, the earthing switch operation position and the overhaul position, and the positioning assembly is inserted into or withdrawn from the limit holes at the corresponding height positions to realize the locking or unlocking of the positioning guide plate 5, so that when the positioning guide plate is positioned at the working position and the overhaul position, the isolating switch operation inner hole 6 and the earthing switch operation inner hole 7 on the positioning guide plate are blocked by the operation panel, at this moment, the circuit breaker can close a floodgate, locating component carries out spacing realization locking to the direction locating plate, and can not operate isolator and earthing switch, only when the location deflector is in isolator operating position and earthing switch operating position, isolator operation hole 6 and earthing switch operation hole 7 on the location deflector just correspond with isolator operation outer hole 2 and earthing switch operation outer hole 3 position on operating panel 4, can realize isolator's operation and earthing switch's operation, for example: when the positioning guide plate is in the disconnecting switch operation position, the disconnecting switch operation inner hole 6 on the positioning guide plate just corresponds to the position of the disconnecting switch operation outer hole 2 on the operation panel 4, and when the positioning guide plate is in the grounding switch operation position, the grounding switch operation inner hole 7 on the positioning guide plate just corresponds to the position of the grounding switch operation outer hole 3 on the operation panel 4.
Further, be provided with the braced frame 12 that is located 5 backs of direction locating plate in operating panel 4, locating component said including can articulate on braced frame 12 and can be along pin joint wobbling crank arm 9, articulate ejector pin 10 in crank arm one end and articulate the locating pin 11 in the other one end of crank arm, thereby can make the crank arm drive the locating pin back-and-forth movement selective spacing hole that inserts corresponding high position through the vertical lift of ejector pin 10, wherein, ejector pin 10 is connected on the circuit breaker operating device in switchgear.
Still further, the positioning guide plate 5 is provided with an operating rod 14 extending out of the operating panel 4, the operating panel 4 is provided with a strip-shaped guide groove 13, and the operating rod extends into the strip-shaped guide groove.
Still further, a guide structure for guiding the vertical movement of the guide positioning plate 5 is arranged in the operation panel 4, the guide structure can be a guide groove arranged on the back of the operation panel, and the guide positioning plate is inserted into the guide groove, so that the guide positioning plate can reciprocate up and down under the limit of the guide groove.
Claims (9)
1. An integration circuit breaker interlock which characterized in that: the operation panel (4) with an isolating switch operation outer hole (2) and a grounding switch operation outer hole (3) and the positioning guide plate (5) which is arranged on the switch equipment (1) and can vertically reciprocate are arranged on the inner side of the operation panel, an isolating switch operation inner hole (6) corresponding to the isolating switch operation outer hole, a grounding switch operation inner hole (7) corresponding to the grounding switch operation outer hole and four limiting holes (8) with different height positions, which can enable the positioning guide plate to be respectively positioned at a working position, an isolating switch operation position, a grounding switch operation position and an overhaul position, are arranged on the positioning guide plate (5), a positioning assembly capable of being matched with the four limiting holes is arranged in the operation panel (4), and the positioning guide plate (5) can be selectively positioned at the working position, the isolating switch operation position, The positioning guide plate (5) is positioned in the limiting hole at the position with the corresponding height through the insertion of the positioning assembly in the operation position and the maintenance position of the grounding switch.
2. The integrated circuit breaker interlock as recited in claim 1, wherein: the positioning assembly comprises a connecting lever (9) capable of swinging, a push rod (10) hinged to one end of the connecting lever and a positioning pin (11) hinged to the other end of the connecting lever, and the connecting lever can drive the positioning pin to move back and forth by vertical lifting of the push rod (10) so as to be selectively inserted into the corresponding height position in the limiting hole.
3. The integrated circuit breaker interlock as recited in claim 2, wherein: a supporting frame (12) located behind the positioning guide plate (5) is arranged in the operation panel (4), and the crank arm (9) is hinged to the supporting frame (12).
4. The integrated circuit breaker interlock as recited in claim 3, wherein: the ejector rod (10) is connected to a circuit breaker operating mechanism in the switch device.
5. The integrated circuit breaker interlock as recited in claim 4, wherein: the operating panel (4) and the supporting frame (12) are both mounted on the top of the switchgear (1).
6. The integrated circuit breaker interlock of any one of claims 1-5, wherein: each limiting hole (8) is a transverse waist-shaped hole.
7. The integrated circuit breaker interlock as recited in claim 6, wherein: and a guide structure for guiding the vertical movement of the positioning guide plate (5) is arranged in the operation panel (4).
8. The integrated circuit breaker interlock as recited in claim 7, wherein: and an operating rod extending out of the operating panel (4) is arranged on the positioning guide plate (5).
9. The integrated circuit breaker interlock as recited in claim 8, wherein: a bar-shaped guide groove (13) is formed in the operation panel (4), and the operation rod extends into the bar-shaped guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122616335.4U CN216213215U (en) | 2021-10-28 | 2021-10-28 | Integrated circuit breaker interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122616335.4U CN216213215U (en) | 2021-10-28 | 2021-10-28 | Integrated circuit breaker interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216213215U true CN216213215U (en) | 2022-04-05 |
Family
ID=80893064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122616335.4U Active CN216213215U (en) | 2021-10-28 | 2021-10-28 | Integrated circuit breaker interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216213215U (en) |
-
2021
- 2021-10-28 CN CN202122616335.4U patent/CN216213215U/en active Active
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