CN211701056U - Lower isolation circuit breaker cabinet structure - Google Patents
Lower isolation circuit breaker cabinet structure Download PDFInfo
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- CN211701056U CN211701056U CN202020609387.1U CN202020609387U CN211701056U CN 211701056 U CN211701056 U CN 211701056U CN 202020609387 U CN202020609387 U CN 202020609387U CN 211701056 U CN211701056 U CN 211701056U
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- circuit breaker
- isolating switch
- cabinet body
- conductor
- cabinet
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Abstract
The utility model relates to a lower isolation circuit breaker cabinet structure, wherein a circuit breaker, an isolation switch and a live display are assembled on the cabinet body, the circuit breaker is arranged on the inner side of the front side of the cabinet body, the isolation switch is arranged on the inner side of the back side of the cabinet body, and the circuit breaker and the isolation switch are opposite to each other in front and back on the same height relative to the ground; the static contact of the isolating switch is supported by a pillar sensor, and the pillar sensor is connected with the output end of the circuit breaker through a conductor; the pillar sensor also outputs working power to the electrified display after sensing the voltage of the conductor. The pillar sensor of the utility model not only retains the original function, but also can sense the bus voltage to provide the working power supply for the electrified display, thereby simplifying the structure; the circuit breaker and the isolating switch are at the same height relative to the ground, so that a wiring space with a relative height is obtained below the isolating switch, the installation height of the conductor is higher, the field installation personnel can conveniently carry out operations such as overhaul and replacement, and the production cost is also reduced in economic benefit.
Description
Technical Field
The utility model relates to a high-voltage electrical equipment technical field especially relates to a lower isolation circuit breaker cabinet.
Background
A lower isolation breaker cabinet is a common device in the field of high voltage electrical equipment, and is generally used for controlling the opening and closing of a transformer and a high voltage transmission line.
The prior art circuit breaker cabinet mainly comprises a circuit breaker and a disconnecting switch, wherein the circuit breaker is connected with an external high-voltage transmission line, and the output end of the circuit breaker is connected with the input end of the disconnecting switch. When the circuit to circuit breaker cabinet rear end overhauls or other operations, the disconnection of control circuit breaker switches over isolator to open a way or ground connection station simultaneously, "double circuit break" between isolator's output and the high tension transmission line has been realized, has guaranteed the security of operation. However, in the prior art, the installation space of the cabinet body is limited, and the structural design and the position arrangement of the circuit breaker and the disconnecting switch are insufficient, so that the number of internal parts of the cabinet body is large, the cable is inconvenient to install by an operator, and the potential safety hazard is easily caused.
Disclosure of Invention
An object of the utility model is to provide a lower isolation breaker cabinet structure solves above-mentioned technical problem well, optimizes the structure, reduces the part, installation cable easy to be under construction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the lower isolation circuit breaker cabinet structure comprises a cabinet body, wherein a circuit breaker, an isolation switch and a live display are assembled on the cabinet body, the circuit breaker is arranged on the inner side of the front side of the cabinet body, the isolation switch is arranged on the inner side of the back side of the cabinet body, and the circuit breaker and the isolation switch are opposite to each other in front and back on the same height relative to the ground; the static contact of the isolating switch is supported by a pillar sensor, and the pillar sensor is connected with the output end of the circuit breaker through a conductor; the pillar sensor also outputs a working power supply to the electrified display after sensing the voltage of the conductor.
The above scheme is further that the electrified display is arranged on the front face of the cabinet body, and the height of the electrified display relative to the ground is higher than that of the circuit breaker.
The above solution is further that the circuit breaker is a high voltage vacuum circuit breaker.
The isolating switch is a three-phase synchronous isolating switch, a pillar sensor is arranged at the static contact of each phase, the pillar sensors are distributed below the moving contact of the isolating switch, and a wiring space is formed below the isolating switch and meets the conductor arrangement requirement.
Adopt above-mentioned technical scheme, the utility model discloses obtain following beneficial effect:
1. the pillar sensor can sense bus voltage except for keeping original functions (supporting and insulating), provides a working power supply for the electrified display, simplifies the structure, does not need to additionally establish high-low voltage conversion power taking parts in the cabinet body, and at least reduces a group of sensor mounting positions, so that the space of the mounting positions of the cabinet body is increased, and cables are convenient to construct and mount.
2. The circuit breaker and the isolating switch are on the same height relative to the ground, and therefore a wiring space with a relative height is obtained below the isolating switch, the installation height of the conductor is high, and on-site installation personnel can conveniently conduct operations such as overhauling and replacing.
3. The structure is optimized, the parts of the lower isolation breaker cabinet are reduced, the production cost is reduced on the economic benefit, and at least three sensors are saved in each cabinet, which is about 150 yuan.
Description of the drawings:
fig. 1 is a schematic front structural view of an embodiment of the present invention;
fig. 2 is a schematic side view of the internal structure of the embodiment of fig. 1.
The specific implementation mode is as follows:
the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 and 2, it is that the utility model discloses a preferred embodiment shows the intention, the utility model relates to a lower isolation circuit breaker cabinet structure, including the cabinet body 1, the setting is erect to the cabinet body 1, and the cabinet body 1 has front, the back, controls the side and reaches from top to bottom terminal surface, assembles circuit breaker 2, isolator 3 and electrified display 4 on this cabinet body 1, wherein, circuit breaker 2 lays on the front inboard of the cabinet body 1, and isolator 3 lays on the back inboard of the cabinet body 1, and circuit breaker 2 and isolator 3 are relative around on same height ground relatively. The static contact of isolator 3 is supported by pillar sensor 5, and pillar sensor 5 passes through the output of conductor 6 connection circuit breaker 2, realizes that circuit breaker 2 and isolator 3 link to each other, and conductor 6 can be copper bar, cable etc.. The pillar sensor 5 also outputs a working power supply to the electrified display 4 by sensing the voltage of the conductor 6, and the working power supply is directly obtained from the pillar sensor 5, so that the number of high-voltage and low-voltage conversion power-taking parts additionally arranged in the cabinet body is reduced.
Referring to fig. 1 and 2, in this embodiment, the charged display 4 is disposed on the front surface of the cabinet body 1, and the charged display 4 is higher than the circuit breaker 2 relative to the ground, so as to facilitate displaying, reflect the working condition of the circuit breaker cabinet, facilitate installation of the operation key of the circuit breaker 2, and facilitate operation and use. Breaker 2 prefers to be high-pressure vacuum circuit breaker, and isolator 3 is the synchronous isolator of three-phase, and every static contact department of looks sets up a pillar sensor 5, and pillar sensor 5 can also respond to bus voltage except remaining original function (supporting, insulating), provides working power supply for electrified display 4, consequently the utility model discloses three sensors are saved at least to relative traditional circuit breaker cabinet. The pillar sensors 5 are distributed below the moving contact of the isolating switch 3, and a wiring space is formed below the isolating switch 3, and the wiring space meets the arrangement of the conductor 6. The wiring space is high in height, so that the installation height of the conductor 6 is improved, and operation such as installation and replacement of the conductor 6 is facilitated for field operators.
The utility model discloses an isolator combined floodgate: an operating handle is inserted into an operating hole of the isolating switch and rotates clockwise, the isolating switch is closed and closed, the switch-on is completed, and the corresponding door body of the cabinet body 1 is locked. The pillar sensor 5 supports a fixed contact of the isolating switch 3 and is connected with the output end of the circuit breaker 2 through a conductor 6, so that the circuit breaker 2 is connected with the isolating switch 3; meanwhile, the pillar sensor 5 outputs a working power supply to the electrified display 4 after sensing the voltage of the conductor 6, and a display lamp on the electrified display 4 is correspondingly lightened. Closing a circuit breaker: after the energy storage switch is opened, the circuit breaker automatically stores energy; the manual closing button is arranged on the breaker body, and closing is completed by pressing the button; the electric switching-on button is arranged on the front side of the cabinet body 1, and the switching-on is completed by pressing the button; and after closing the switch, the electrified display flashes.
The utility model discloses a pillar sensor 5 can also respond to bus voltage except remaining original function (supporting, insulating), provides working power supply for electrified display, simplifies the structure, and the internal high-low pressure conversion that need not of cabinet is got the electric part in addition, has reduced a set of sensor mounted position at least for cabinet body mounted position space increases, the installation cable of facilitating construction. The circuit breaker 2 and the isolating switch 3 are at the same height relative to the ground, so that a relatively high wiring space is obtained below the isolating switch, the installation height of the conductor is high, and the field installer can conveniently carry out operations such as overhauling and replacing. The structure is optimized, the parts of the lower isolation breaker cabinet are reduced, the production cost is reduced on the economic benefit, and at least three sensors are saved in each cabinet, which is about 150 yuan.
The present invention has been described in detail with reference to the embodiments, and only for the purpose of illustrating the technical concept and features of the present invention, the present invention is intended to be understood and implemented by those skilled in the art, and the protection scope of the present invention can not be limited thereby, so that equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. Lower isolation circuit breaker cabinet structure, including the cabinet body (1), equipment circuit breaker (2), isolator (3) and electrified display (4), its characterized in that on this cabinet body (1): the circuit breaker (2) is arranged on the inner side of the front face of the cabinet body (1), the isolating switch (3) is arranged on the inner side of the back face of the cabinet body (1), and the circuit breaker (2) and the isolating switch (3) are opposite to each other in front and back on the same height relative to the ground; the static contact of the isolating switch (3) is supported by a pillar sensor (5), and the pillar sensor (5) is connected with the output end of the breaker (2) through a conductor (6); the pillar sensor (5) outputs a working power supply to the electrified display (4) after sensing the voltage of the conductor (6).
2. The lower isolation breaker cabinet structure of claim 1, wherein: the electrified display (4) is arranged on the front face of the cabinet body (1), and the height of the electrified display (4) relative to the ground is higher than that of the circuit breaker (2).
3. The lower isolation breaker cabinet structure of claim 1 or 2, wherein: the circuit breaker (2) is a high voltage vacuum circuit breaker.
4. The lower isolation breaker cabinet structure of claim 1, wherein: the isolating switch (3) is a three-phase synchronous isolating switch, a pillar sensor (5) is arranged at the static contact of each phase, the pillar sensors (5) are distributed below the moving contact of the isolating switch (3), a wiring space is formed below the isolating switch (3), and the wiring space meets the setting requirement of the conductor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020609387.1U CN211701056U (en) | 2020-04-22 | 2020-04-22 | Lower isolation circuit breaker cabinet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020609387.1U CN211701056U (en) | 2020-04-22 | 2020-04-22 | Lower isolation circuit breaker cabinet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211701056U true CN211701056U (en) | 2020-10-16 |
Family
ID=72781335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020609387.1U Active CN211701056U (en) | 2020-04-22 | 2020-04-22 | Lower isolation circuit breaker cabinet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211701056U (en) |
-
2020
- 2020-04-22 CN CN202020609387.1U patent/CN211701056U/en active Active
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