CN114362020A - Primary and secondary fusion ring main unit - Google Patents
Primary and secondary fusion ring main unit Download PDFInfo
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- CN114362020A CN114362020A CN202210014494.3A CN202210014494A CN114362020A CN 114362020 A CN114362020 A CN 114362020A CN 202210014494 A CN202210014494 A CN 202210014494A CN 114362020 A CN114362020 A CN 114362020A
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- main unit
- primary
- cabinet
- voltage transformer
- ring main
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Abstract
A secondary fuses looped netowrk cabinet belongs to solid insulation one secondary and fuses looped netowrk cabinet, includes: the cabinet body, the internal two parallel baffles that are equipped with of cabinet all are equipped with the slip handcart on the baffle, and voltage transformer, high-voltage fuse and insulator are installed to one of them slip handcart, install the arrester on another slip handcart, the quincunx sound contact is installed to the insulator upper end, and one section of this contact is connected with voltage transformer through high-voltage fuse, and the other end and copper bar contact, voltage transformer and copper bar adopt insulating barrier to separate, are equipped with the through-hole on the insulating barrier, and the quincunx sound contact passes through-hole and copper bar contact.
Description
Technical Field
The invention relates to the field of primary and secondary fusion ring main units.
Background
In the outdoor distribution network power supply, in order to ensure the safety, stability, timeliness and the like of the power supply scheme, a ring network power supply mode is often adopted, namely a group of ring network cabinet stations are arranged at a distance. Wherein, every looped netowrk cabinet station still can install a secondary fusion looped netowrk cabinet additional in order to satisfy low-voltage power supply's demand.
The existing primary and secondary fusion ring main unit is divided into an inflatable insulation primary and secondary fusion ring main unit and a solid insulation primary and secondary fusion ring main unit. The air insulation type voltage transformer cabinet is not easy to be miniaturized, and a larger cabinet body is required to be configured. In addition, air insulation can not realize full insulation, weather resistance is poor, SF6 gas insulation is used in the prior art, SF6 gas insulation can realize full insulation, but the former voltage transformer arrangement mostly adopts normal installation, and SF6 gas insulation usually needs to be added with a cabinet, so that miniaturization is difficult to realize, and the environmental protection problem exists, and the application is limited.
The solid insulation primary and secondary fusion ring main unit has the characteristics of good safety, small size and the like, and meets the requirements of closed type and miniaturization of a high-voltage switch cabinet in a power distribution system, so that the solid insulation primary and secondary fusion ring main unit is popularized and applied in a large quantity. The traditional solid insulation voltage transformer cabinet is large in volume, is easy to generate a discharge phenomenon at a contact part of a component under a high-humidity environment, is poor in safety and needs to be further improved.
Disclosure of Invention
The invention aims to provide a primary and secondary fusion ring main unit which is small in size, does not generate a discharge phenomenon in a high-humidity use environment and has high safety.
The above object of the present invention is achieved by the following scheme:
a secondary fuses looped netowrk cabinet belongs to solid insulation one secondary and fuses looped netowrk cabinet, includes: the cabinet body is internally provided with two parallel clapboards which are respectively provided with a sliding handcart, wherein one sliding handcart is provided with a voltage transformer, a high-voltage fuse and an insulator, the other sliding handcart is provided with a lightning arrester,
the method is characterized in that: the upper end of the insulator is provided with a quincunx moving and static contact, one section of the contact is connected with a voltage transformer through a high-voltage fuse, the other end of the contact is contacted with a copper bar, the voltage transformer and the copper bar are separated by an insulating partition plate, the insulating partition plate is provided with a through hole, and the quincunx moving and static contact is contacted with the copper bar through the through hole;
the cabinet body still is equipped with insulating switch, and insulating switch's one end and cabinet combining bus connection, insulating switch's the other end and business turn over line bushing, business turn over line bushing one end and voltage transformer are connected, and the sheathed tube other end of business turn over is used for the cable to peg graft.
Furthermore, the insulating switch is provided with a bus joint and a bus connector, and the bus joint is electrically connected with the bus joint on the adjacent switch cabinet through the bus connector.
Furthermore, the sliding handcart is a rocker arm draw-out type handcart, so that the voltage transformer can enter and exit at a constant speed, the contact is reliably contacted, and the damage to the contact is avoided.
Further, the lightning arrester is installed at a position below the cabinet body.
Furthermore, a side plate of the cabinet body is provided with heat dissipation holes, a temperature alarm is arranged in the cabinet body, and when the temperature in the cabinet body reaches a set value, the temperature alarm gives an alarm.
Furthermore, the four corners of the lower surface of the cabinet body are provided with supporting legs, and the supporting legs leave gaps between the cabinet body and the ground, so that the permeation of water vapor is reduced.
Furthermore, two supporting bars are arranged on the bottom plate of the cabinet body, and a heating plate is erected on the two supporting bars.
Further, the outside coating of voltage transformer has the epoxy layer, and insulating switch adopts the epoxy solid insulation, promotes its insulating properties.
The scheme of the invention can produce the following technical effects:
the wire inlet and outlet sleeve can be selectively connected into a wire inlet cable or a wire outlet cable to realize the wire inlet and outlet function, and the size of the electric pole mutual inductor cabinet is reduced.
The heating plate is used for heating the bottom space of the cabinet body, so that the possibility that external water vapor penetrates through the cabinet body and generates condensation under a high-humidity environment is reduced, and meanwhile, a gap is reserved between the cabinet body and the ground by virtue of the supporting legs, so that the possibility that the water vapor penetrates into the cabinet body and generates condensation is further reduced.
Drawings
Fig. 1 is a schematic structural diagram of a primary and secondary fusion ring main unit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a secondary fuses looped netowrk cabinet belongs to solid insulation secondary and fuses looped netowrk cabinet, includes: the intelligent cabinet comprises a cabinet body 1, wherein the cabinet body 1 is provided with a cabinet door 11, the cabinet door is provided with an observation window 111, two parallel partition plates are arranged in the cabinet body, sliding handcarts are arranged on the partition plates, one sliding handcart is provided with a voltage transformer, a high-voltage fuse and an insulator, the other sliding handcart is provided with a lightning arrester, and the lightning arrester is arranged at a position close to the lower part of the cabinet body;
the upper end of the insulator is provided with a quincunx moving and static contact, one section of the contact is connected with a voltage transformer through a high-voltage fuse, the other end of the contact is contacted with a copper bar, the voltage transformer and the copper bar are separated by an insulating partition plate, the insulating partition plate is provided with a through hole, and the quincunx moving and static contact is contacted with the copper bar through the through hole;
the cabinet body still is equipped with insulating switch, and insulating switch's one end and cabinet combining bus connection, insulating switch's the other end and business turn over line bushing, business turn over line bushing one end and voltage transformer are connected, and the sheathed tube other end of business turn over line is used for the cable to peg graft, and the outside coating of voltage transformer has the epoxy layer, and insulating switch adopts the epoxy solid insulation, promotes its insulating properties.
The insulating switch is provided with a bus joint and a bus connector, and the bus joint is electrically connected with the bus joint on the adjacent switch cabinet through the bus connector.
The sliding handcart is a rocker arm draw-out type trolley, so that the voltage transformer can enter and exit at a constant speed, the contact is reliably contacted, and the damage to the contact is avoided.
The side plate of the cabinet body is provided with heat dissipation holes 15, the cabinet body is internally provided with a temperature alarm, and when the temperature in the cabinet body reaches a set value, the temperature alarm gives an alarm.
The four corners of the lower surface of the cabinet body are provided with supporting legs 21, and the supporting legs 21 leave gaps between the cabinet body 1 and the ground, so that the permeation of water vapor is reduced.
Two supporting strips are arranged on the bottom plate 2 of the cabinet body, and a heating plate is erected on the two supporting strips.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent replacement or change of the technical solution and the inventive concept thereof within the technical scope of the present invention.
Claims (8)
1. A secondary fuses looped netowrk cabinet belongs to solid insulation one secondary and fuses looped netowrk cabinet, includes: the intelligent cabinet comprises a cabinet body, wherein two parallel partition plates are arranged in the cabinet body, sliding handcarts are arranged on the partition plates, one sliding handcart is provided with a voltage transformer, a high-voltage fuse and an insulator, and the other sliding handcart is provided with a lightning arrester;
the method is characterized in that: the upper end of the insulator is provided with a quincunx moving and static contact, one section of the contact is connected with a voltage transformer through a high-voltage fuse, the other end of the contact is contacted with a copper bar, the voltage transformer and the copper bar are separated by an insulating partition plate, the insulating partition plate is provided with a through hole, and the quincunx moving and static contact is contacted with the copper bar through the through hole;
the cabinet body still is equipped with insulating switch, and insulating switch's one end and cabinet combining bus connection, insulating switch's the other end and business turn over line bushing, business turn over line bushing one end and voltage transformer are connected, and the sheathed tube other end of business turn over is used for the cable to peg graft.
2. The primary and secondary fusion ring main unit as claimed in claim 1, wherein the insulating switch is provided with a bus bar connector and a bus bar connector, and the bus bar connector is electrically connected with the bus bar connector on the adjacent switch cabinet through the bus bar connector.
3. The primary and secondary fusion ring main unit as claimed in claim 1, wherein the sliding handcart is a rocker arm draw-out type trolley, so as to realize uniform speed in and out of the voltage transformer.
4. The primary and secondary fusion ring main unit as claimed in claim 1, wherein the lightning arrester is installed at a position close to the lower side of the main unit.
5. The primary and secondary fusion ring main unit as claimed in claim 1, wherein the side plate of the main unit has heat dissipation holes, and a temperature alarm is disposed in the main unit, and the temperature alarm gives an alarm when the temperature in the main unit reaches a set value.
6. The primary and secondary fusion ring main unit as claimed in claim 1, wherein the supporting legs are disposed at four corners of the lower surface of the main unit, and the supporting legs leave a gap between the main unit and the ground to reduce the penetration of water vapor.
7. The primary and secondary fusion ring main unit as claimed in claim 1, wherein the bottom plate of the main unit has two supporting bars, and a heating plate is erected on the two supporting bars.
8. The primary and secondary fusion ring main unit as claimed in claim 1, wherein the voltage transformer is externally coated with an epoxy resin layer, and the insulation switch is solid-insulated by epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014494.3A CN114362020A (en) | 2022-01-07 | 2022-01-07 | Primary and secondary fusion ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014494.3A CN114362020A (en) | 2022-01-07 | 2022-01-07 | Primary and secondary fusion ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114362020A true CN114362020A (en) | 2022-04-15 |
Family
ID=81107115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210014494.3A Pending CN114362020A (en) | 2022-01-07 | 2022-01-07 | Primary and secondary fusion ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114362020A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201781215U (en) * | 2010-08-05 | 2011-03-30 | 广西银河迪康电气有限公司 | High-voltage potential transformer cabinet |
| CN202068115U (en) * | 2010-07-22 | 2011-12-07 | 广西银河迪康电气有限公司 | Circuit breaker cabinet |
| CN203645220U (en) * | 2013-12-10 | 2014-06-11 | 龙滩水电开发有限公司 | Voltage transformer cabinet |
| CN206211319U (en) * | 2016-11-28 | 2017-05-31 | 天津市华捷电力设备制造有限公司 | A kind of voltage transformer cabinet |
| CN214589922U (en) * | 2020-09-17 | 2021-11-02 | 海洋石油工程股份有限公司 | Incoming and outgoing line integrated solid insulation voltage transformer cabinet |
-
2022
- 2022-01-07 CN CN202210014494.3A patent/CN114362020A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202068115U (en) * | 2010-07-22 | 2011-12-07 | 广西银河迪康电气有限公司 | Circuit breaker cabinet |
| CN201781215U (en) * | 2010-08-05 | 2011-03-30 | 广西银河迪康电气有限公司 | High-voltage potential transformer cabinet |
| CN203645220U (en) * | 2013-12-10 | 2014-06-11 | 龙滩水电开发有限公司 | Voltage transformer cabinet |
| CN206211319U (en) * | 2016-11-28 | 2017-05-31 | 天津市华捷电力设备制造有限公司 | A kind of voltage transformer cabinet |
| CN214589922U (en) * | 2020-09-17 | 2021-11-02 | 海洋石油工程股份有限公司 | Incoming and outgoing line integrated solid insulation voltage transformer cabinet |
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