CN212695592U - Compact medium-voltage fixed circuit breaker cabinet - Google Patents
Compact medium-voltage fixed circuit breaker cabinet Download PDFInfo
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- CN212695592U CN212695592U CN202022015211.6U CN202022015211U CN212695592U CN 212695592 U CN212695592 U CN 212695592U CN 202022015211 U CN202022015211 U CN 202022015211U CN 212695592 U CN212695592 U CN 212695592U
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Abstract
Fixed circuit breaker cabinet of compact middling pressure relates to circuit breaker technical field. Including the cabinet body, inversion formula side dress VS1 circuit breaker and three station isolation earthing switch, inversion formula side dress VS1 circuit breaker, including solid utmost point post, utmost point post support, mechanism case of sealing, set up integral type operating device panel on the mechanism case, circuit breaker and cabinet body assembly, three station isolation earthing switch set up in under the utmost point post support, three station isolation earthing switch pierce through integral type operating device panel extends to the cabinet is external. The utility model discloses a fixed circuit breaker cabinet is miniaturized, modularization, and the installation and debugging is simple and convenient, and the interlocking is reliable.
Description
Technical Field
The utility model relates to a circuit breaker cabinet field, especially a fixed circuit breaker cabinet of compact middling pressure.
Background
The mechanism box, the circuit breaker, the isolating switch and the cable chamber of the conventional circuit breaker cabinet are arranged in the cabinet body from top to bottom, the height of the cabinet body is about more than 2500mm, and the one-time cable wiring height can reach the national standard of 600 mm; the circuit breaker is of a positive installation type, and the width of the circuit breaker is about 800mm, so that the fixed circuit breaker cabinet is large in size; and the existing circuit-breaking operating mechanism and the three-station isolating grounding switch operating mechanism are not in the same operating room, and the mechanical interlocking length is longer, so that the interlocking reliability of the fixed circuit breaker cabinet is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixed circuit breaker cabinet of compact middling pressure to solve above-mentioned technical problem.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken:
the compact medium-voltage fixed circuit breaker cabinet comprises a cabinet body, an inverted side-mounted VS1 circuit breaker and a three-station isolation grounding switch;
the inverted side-mounted VS1 circuit breaker comprises an embedded pole, a pole support and a mechanism box, wherein the embedded pole and the mechanism box are respectively and fixedly connected to two opposite end faces of the pole support and extend in opposite directions;
the mechanism box is connected with one end of the pole support in the length direction, an integrated operating mechanism panel is arranged on one side of the mechanism box, which is perpendicular to the two opposite end faces and is far away from the solid-sealed pole,
the mechanism box is provided with a through hole used for being matched with the three-station isolation grounding switch, the axial direction of the through hole is vertical to the integrated operating mechanism panel and is consistent with the length direction of the pole support, and the through hole is opened on the integrated operating mechanism panel to form an isolation grounding operating hole;
holes matched with a panel of the integrated operating mechanism are formed in the panel of the cabinet body, and the inverted side-mounted VS1 circuit breaker is fixedly mounted on the cabinet body;
the three-station isolation grounding switch is arranged under the pole support, and the shaft hole of the three-station isolation grounding switch is coaxial with the through hole and the isolation grounding operation hole.
Furthermore, the compact medium-voltage fixed circuit breaker cabinet is characterized in that the front upper part is a secondary instrument room, the rear upper part is a bus room, the middle part is a switch and mechanism unit which is compactly arranged, and the lower part is a primary cable room.
Furthermore, an inter-cabinet sleeve is arranged on a side plate of the bus chamber, and a lightning arrester, a cable type mutual inductor or a strut type mutual inductor is arranged in the primary cable chamber.
Furthermore, the solid-sealed polar pole, the polar pole support and the modular structure are integrated.
Furthermore, a manual switch-off button and a switch-on button of the circuit breaker, a manual energy storage operation hole and an energy storage indication, and a three-station switch operation hole and a state indication are arranged on the panel of the integrated operation mechanism.
Furthermore, an insulating branch bus is arranged between the three-station isolation grounding switch and the solid-sealed pole.
The utility model discloses following beneficial effect has been gained for prior art: the compact medium-voltage fixed circuit breaker cabinet realizes the miniaturization of the cabinet body, the width of the cabinet can be 500mm, and the height of the cabinet is 2000 mm; the three-station isolation grounding switch is connected with the operating rod and the inverted side-mounted circuit breaker into a whole, so that the mechanical interlocking design is simplified, the connecting length of the mechanical interlocking is shortened, the installation and debugging are simpler and more convenient, and the interlocking is more reliable.
Drawings
FIG. 1 is a front view of the present invention
FIG. 2 is a side view of the present invention
FIG. 3 is a schematic view of the overall structure of an inverted side-mounted circuit breaker
FIG. 4 is a front view of an inverted side-mounted circuit breaker
FIG. 5 is a side view of an inverted side-mounted circuit breaker
Wherein, 1-cabinet body, 11-inter-cabinet sleeve, 12-horizontal bus chamber, 13-secondary instrument chamber, 14-primary cable chamber; 2-inverted side-mounted circuit breaker, 21-embedded pole, 211-upper terminal, 212-lower terminal, 22-pole support, 23-mechanism box, 231-integrated operating mechanism panel, 232-opening button, 233-closing button, 234-isolated grounding operating hole, 235-isolated grounding state indicating hole, 236-energy storage operating hole, 237-energy storage indication, 238-opening and closing indication and 239-interlocking main shaft; 3-three-station isolation grounding switch, 31-primary wiring terminal, 4-lightning arrester, 5-cable transformer and 6-insulation branch bus.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Example 1
The cabinet body of the embodiment is a long and narrow box body type structure with a transverse width and a longitudinal width, the transverse width is 500mm, the longitudinal length is 1000mm, the height is 2000mm, and the height of a primary cable connection can reach 700 mm.
The embodiment provides a compact medium-voltage fixed circuit breaker cabinet with reference to fig. 1 to 5, which comprises a cabinet body 1, an inverted side-mounted circuit breaker 2 and a three-position isolating grounding switch 3.
The cabinet body 1 is a long and narrow box body type structure with transverse width and longitudinal width, a transverse partition plate is horizontally arranged in the cabinet body, a vertical partition plate is upwards arranged on the transverse partition plate, the upper end of the vertical partition plate is connected with the top of the cabinet body, the vertical partition plate separates the transverse partition plate and a top plate to form a horizontal bus chamber 12 and a secondary instrument chamber 13, the secondary instrument chamber is located at the front end of the cabinet body, the horizontal bus chamber is located at the rear end of the cabinet body, and a primary cable chamber 14 is arranged below the transverse partition plate. The cabinet body is also provided with an inter-cabinet sleeve 11, a lightning arrester 4 and a cable type mutual inductor 5.
The cabinet body is provided with a panel hole, the inverted side-mounted VS1 circuit breaker 2 is fixedly connected with the cabinet body 1, and the panel of the integrated operating mechanism can be appeared to be matched with the panel hole; inverted side-mounted VS1 circuit breaker 2 is including sealing utmost point post 21, utmost point post support 22 and mechanism case 23 admittedly, mechanism case 23 with cabinet body 1 front end fixed connection department is provided with integral type operating device panel 231, integral type operating device panel 231 upper end forms utmost point post support 22 towards the perpendicular extension of cabinet body 1 rear end direction, gu seal utmost point post 21 fixed connection in utmost point post support 22 upper end. The three embedded poles 21 are uniformly distributed on the upper end surface of the pole support 22, and each embedded pole 21 is provided with an upper terminal 211 and a lower terminal 212; interlocking spindles 239 are arranged on two sides of the mechanism box 23, and the integrated operating mechanism panel 231 is provided with an energy storage operating hole 236, an energy storage indicator 237, a switching-off button 232, a switching-on button 233, a switching-off and switching-on indicator 238, an isolation grounding operating hole 234 and an isolation grounding state indicating hole 235.
The three-station isolation grounding switch 3 is arranged right below the pole support 22, and a shaft hole of the three-station isolation grounding switch 3 is coaxial with the through hole and the isolation grounding operation hole to form a handle hole; when the switch is needed to be switched on and off, the three-position isolating grounding switch 3 can be directly operated by inserting the operating handle through the handle hole.
The primary wiring terminal 31 and the insulated branch bus 6 are connected through the three-position isolation grounding switch 3.
The incoming cable enters from the bottom of the cabinet body 1, is connected with a primary wiring terminal 31 of the three-station isolation grounding switch 3 after being connected with the cable type mutual inductor 5, meanwhile, the lightning arrester 4 is connected with the primary wiring terminal 31, the outlet end of the three-station isolation grounding switch 3 is connected with the lower wiring terminal 212 of the solid-sealed polar pole 21 of the inverted side-mounted VS1 circuit breaker 2 through the insulated branch bus 6, and finally the upper wiring terminal 211 of the solid-sealed polar pole 21 is connected with the cable penetrating into the bushing 11 between the cabinets.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (6)
1. The compact medium-voltage fixed circuit breaker cabinet is characterized by comprising a cabinet body, an inverted side-mounted VS1 circuit breaker and a three-station isolation grounding switch;
the inverted side-mounted VS1 circuit breaker comprises an embedded pole, a pole support and a mechanism box, wherein the embedded pole and the mechanism box are respectively and fixedly connected to two opposite end faces of the pole support and extend in opposite directions;
the mechanism box is connected with one end of the pole support in the length direction, an integrated operating mechanism panel is arranged on one side of the mechanism box, which is perpendicular to the two opposite end faces and is far away from the solid-sealed pole,
the mechanism box is provided with a through hole used for being matched with the three-station isolation grounding switch, the axial direction of the through hole is vertical to the integrated operating mechanism panel and is consistent with the length direction of the pole support, and the through hole is opened on the integrated operating mechanism panel to form an isolation grounding operating hole;
holes matched with a panel of the integrated operating mechanism are formed in the panel of the cabinet body, and the inverted side-mounted VS1 circuit breaker is fixedly mounted on the cabinet body;
the three-station isolation grounding switch is arranged under the pole support, and the shaft hole of the three-station isolation grounding switch is coaxial with the through hole and the isolation grounding operation hole.
2. The compact, medium voltage fixed circuit breaker cabinet according to claim 1, characterized by a front upper part being the secondary instrument room, a rear upper part being the bus bar room, a middle part being the compactly arranged switch and mechanism units, and a lower part being the primary cable room.
3. The compact medium voltage fixed circuit breaker cabinet according to claim 2, characterized in that the side panels of the bus compartment are provided with inter-cabinet bushings and the primary cable compartment is provided with arresters, cable transformers or strut transformers.
4. The compact medium voltage fixed circuit breaker cabinet according to claim 1, wherein the embedded poles and the pole holders are of an integrated modular structure.
5. The compact medium voltage fixed circuit breaker cabinet according to claim 1, wherein the integrated operating mechanism panel is provided with a manual switch-on/switch-off button and indication of the circuit breaker, a manual energy storage operating hole and energy storage indication, and a three-position switch operating hole and status indication.
6. The compact medium voltage fixed circuit breaker cabinet according to claim 1, characterized in that an insulated branch bus is arranged between the three-position isolating and grounding switch and the embedded pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022015211.6U CN212695592U (en) | 2020-09-15 | 2020-09-15 | Compact medium-voltage fixed circuit breaker cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022015211.6U CN212695592U (en) | 2020-09-15 | 2020-09-15 | Compact medium-voltage fixed circuit breaker cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212695592U true CN212695592U (en) | 2021-03-12 |
Family
ID=74885181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022015211.6U Active CN212695592U (en) | 2020-09-15 | 2020-09-15 | Compact medium-voltage fixed circuit breaker cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212695592U (en) |
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2020
- 2020-09-15 CN CN202022015211.6U patent/CN212695592U/en active Active
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