CN213879068U

CN213879068U - Distribution network automation boundary switch

Info

Publication number: CN213879068U
Application number: CN202022963101.2U
Authority: CN
Inventors: 徐昌华; 徐虎
Original assignee: Wuhan Obor Electric Power Co ltd
Current assignee: Wuhan Obor Electric Power Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-03
Anticipated expiration: 2030-12-11

Abstract

The utility model provides a distribution network automation boundary switch, including electronic box, inlet wire end and leading-out terminal, the inlet wire end sets up at the electronic box left end, the leading-out terminal sets up the right-hand member at the electronic box, the inside fixed voltage direction sensor that is provided with of electronic box, current transformer, explosion chamber and on-off control action device, voltage direction sensor fixed connection in the inside top of electronic box and with on-off control action device between electric connection, the explosion chamber is fixed to be set up in the inside bottom of electronic box, current transformer symmetry is fixed to be set up in the inside both sides of electronic box and with on-off control action device electric connection; the utility model discloses safe in utilization, it is small, the transport of being convenient for.

Description

Distribution network automation boundary switch

Technical Field

The utility model belongs to the technical field of the boundary switch and specifically relates to distribution network automation boundary switch.

Background

When the protection action time limit of the T-branch line or the T-branch line or the terminal user is not matched with the protection of the outgoing line switch of the transformer substation, the outgoing line switch of the transformer substation is tripped, and if the fault property is permanent, the superposition of the transformer substation cannot be successful; at present, voltage sensors in many switches are arranged outside an electric box, so that the size is large, the voltage sensors are easily affected by damp or other external conditions, and the safety cannot be guaranteed; and the upper part of the electric box often has snow or birds to nest, and the like, which easily causes short circuit of the line.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a join in marriage net automation boundary switch can make and join in marriage net twine way safer, and practical and practice thrift the cost.

For solving the technical problem, the embodiment of the utility model provides a distribution network automation boundary switch, including electronic box, inlet wire end and leading-out terminal, the inlet wire end sets up at the electronic box left end, the leading-out terminal sets up the right-hand member at the electronic box, the fixed voltage direction sensor, current transformer, explosion chamber and the on-off control action device that is provided with in inside of electronic box, voltage direction sensor fixed connection inside the electronic box top and with on-off control action device between electric connection, the fixed bottom that sets up in the electronic box of explosion chamber, the current transformer symmetry is fixed to be set up in the inside both sides of electronic box and with on-off control action device electric connection.

Wherein, the top fixed mounting of electronic box has the bellied arc roof that makes progress.

The switch control action device is electrically connected with the electronic data display screen, the current transformer and the data integration processor respectively.

Wherein, each leading-out terminal and each inlet wire end all include resin insulation layer, are located the rubber sleeve outside the resin insulation layer, are located the conducting rod in the resin insulation layer and are used for carrying out the cable conductor of electricity with external power line with the conducting rod electricity is connected, the cable conductor stretches out rubber sleeve 1 meter to 5 meters, the periphery of the cable conductor that stretches out the rubber sleeve is equipped with the insulating sealing layer.

Preferably, the resin insulating layer is an epoxy resin insulating layer, and the rubber sleeve is a silicone rubber sleeve; the insulating sealing layer is a silicone rubber layer.

The electric box is a cuboid, and cushion blocks are symmetrically arranged at four corners of the bottom of the electric box.

Wherein, the periphery of explosion chamber is fixed and is provided with the insulating layer box.

Preferably, the arc-extinguishing chamber is a vacuum arc-extinguishing chamber.

Preferably, the electrical box is filled with sulfur hexafluoride gas.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1. in the utility model, the data integration processor is arranged at the bottom of the side end surface of the electric box, the switch control action device can be operated according to the processing result, the small current grounding or the leakage fault can be effectively solved and prevented, and the demarcation switch is safer in the using process;

2. in the utility model, the voltage transformer is arranged inside the protective shell, so that the space is effectively utilized, the volume of the boundary switch is greatly reduced, the transportation and the installation of the boundary switch are convenient, and the cost is greatly saved;

3. the utility model discloses in, convex roof has been installed at the top of electronic box, can effectually prevent that birds from nesting on the boundary switch, also can not snow and deposition etc. simultaneously, prevented unexpected and dangerous emergence.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a cross-sectional view taken along a-a in fig. 2.

Fig. 4 is a partial sectional view B of fig. 3.

Description of reference numerals:

1. an electric box; 11. a voltage direction sensor; 12. a current transformer; 13. an arc extinguishing chamber; 14. a switch control operation device; 15. an arc-shaped top plate; 16. a data integration processor; 17. an electronic data display screen; 18. cushion blocks; 2. a wire inlet end; 21. a resin insulating layer; 22. a rubber sleeve; 23. a conductive rod; 24. a conductive rod; 25. an insulating sealing layer; 131. an insulating layer box.

Detailed Description

To make the technical problems, technical solutions and advantages of the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", "longitudinal", "transverse", "vertical", "front", "rear", and the like indicate orientations and positional relationships based on the front view of the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-4, the utility model discloses an electronic box 1, inlet wire end 2 and leading-out terminal 3, inlet wire end 2 sets up at the 1 left end of electronic box, leading-out terminal 3 sets up the right-hand member at electronic box 1, electronic box 1's inside is fixed to be provided with voltage direction sensor 11, current transformer 12, explosion chamber 13 and on-off control action device 14, voltage direction sensor 11 fixed connection in electronic box 1 inside top and with on-off control action device 14 between electric connection, explosion chamber 13 is fixed to be set up in the inside bottom of electronic box 1, current transformer 12 symmetry is fixed to be set up in electronic box 1 inside both sides and with on-off control action device 14 electric connection.

An arc top plate 15 protruding upwards is fixedly arranged at the top end of the electric box 1.

The bottom of the end face of the rear part of the electric box 1 is fixedly provided with a data integration processor 16, the outer wall of the electric box 1 is provided with an electronic data display screen 17, and the switch control action device 14 is respectively and electrically connected with the electronic data display screen 17, the current transformer 12 and the data integration processor 16.

Each outlet end 3 and each inlet end 2 comprises a resin insulation layer 21, a rubber sleeve 22 positioned outside the resin insulation layer, a conducting rod 23 positioned in the resin insulation layer 21 and a cable 24 electrically connected with the conducting rod and used for being electrically connected with an external power line, wherein the cable 24 extends out of the rubber sleeve by 1-5 meters, and an insulation sealing layer 25 is arranged on the periphery of the cable 24 extending out of the rubber sleeve 22.

The resin insulating layer 21 is an epoxy resin insulating layer, and the rubber sleeve 22 is a silicon rubber sleeve; the insulating and sealing layer 25 is a silicone rubber layer.

The electronic box 1 is a cuboid, and cushion blocks 18 are symmetrically arranged at four corners of the bottom of the electronic box 1.

An insulating layer case 131 is fixedly provided on the outer periphery of the arc extinguishing chamber 13.

The arc chute 13 is a vacuum arc chute.

Sulfur hexafluoride gas is filled in the electric box 1.

The working principle of the utility model is as follows:

The above is the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, and the technical solution and the utility model concept of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a distribution network automation boundary switch, includes electronic box, inlet wire end and leading-out terminal, the inlet wire end sets up at the electronic box left end, the leading-out terminal sets up the right-hand member at the electronic box, a serial communication port, the inside of electronic box is fixed and is provided with voltage direction sensor, current transformer, explosion chamber and on-off control action device, voltage direction sensor fixed connection inside the electronic box top and with on-off control action device between electric connection, the fixed bottom that sets up in the electronic box of explosion chamber, the current transformer symmetry is fixed to be set up inside both sides of electronic box and with on-off control action device electric connection.

2. The distribution network automation demarcation switch of claim 1, wherein an upwardly convex arc top plate is fixedly mounted at the top end of the electrical box.

3. The distribution network automation demarcation switch of claim 1, wherein a data integration processor is fixedly arranged at the bottom of the side end face at the rear part of the electric box, an electronic data display screen is arranged on the outer wall of the electric box, and the switch control action device is electrically connected with the electronic data display screen, the current transformer and the data integration processor respectively.

4. The distribution network automation demarcation switch of claim 1, wherein each outlet terminal and each inlet terminal comprises a resin insulation layer, a rubber sleeve positioned outside the resin insulation layer, a conducting rod positioned inside the resin insulation layer and a cable electrically connected with the conducting rod and used for being electrically connected with an external power line, the cable extends out of the rubber sleeve by 1-5 meters, and an insulation sealing layer is arranged on the periphery of the cable extending out of the rubber sleeve.

5. The distribution network automation demarcation switch of claim 4, wherein the resin insulation layer is an epoxy resin insulation layer, and the rubber sleeve is a silicone rubber sleeve; the insulating sealing layer is a silicone rubber layer.

6. The distribution network automation demarcation switch of claim 1, wherein the electric box is a cuboid, and cushion blocks are symmetrically arranged at four corners of the bottom of the electric box.

7. The distribution network automation demarcation switch of claim 1, wherein an insulating layer box is fixedly arranged on the periphery of the arc extinguishing chamber.

8. The distribution network automation demarcation switch of claim 1, wherein the arc chute is a vacuum arc chute.

9. The distribution network automation boundary switch of claim 1, wherein the electrical box is filled with sulfur hexafluoride gas.