CN203406552U - Air insulated ring-network high-voltage switch cabinet - Google Patents
Air insulated ring-network high-voltage switch cabinet Download PDFInfo
- Publication number
- CN203406552U CN203406552U CN201320389909.1U CN201320389909U CN203406552U CN 203406552 U CN203406552 U CN 203406552U CN 201320389909 U CN201320389909 U CN 201320389909U CN 203406552 U CN203406552 U CN 203406552U
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- China
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- switch cabinet
- network high
- bus
- seal casinghousing
- tension switch
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- Expired - Fee Related
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- Gas-Insulated Switchgears (AREA)
Abstract
An insulated ring-network high-voltage switch cabinet comprises a sealing shell, a plurality of circuit breakers and a plurality of isolation switches which are arranged in the sealing shell, a mechanism operation chamber and a wiring chamber which are arranged on the outer part of the front wall of the sealing shell, an access port and an access port sealing cover plate which are arranged on the back wall, wherein the operation end of each circuit breaker transmission shaft is arranged in the mechanism operation chamber, a capacitance voltage-balance screening bus is used as the internal bus of the sealing shell, and the leading-out terminal of the bus is connected with the external circuit by a European style cable joint which is arranged in the wiring chamber. The distribution element devices are arranged in the sealing shell, so as to greatly increase the protection level of the ring-network cabinet; the capacitance voltage-balance screening bus is used as the internal bus of the sealing shell and connected with the external circuit by the European style cable joint, so as to effectively reduce the partial discharge amount and ensure the reliability of the ring-network cabinet. The ring-network cabinet uses the air to replace the SF6, and air leakage is avoided, thereby reducing the maintenance costs and the environment pollution.
Description
Technical field
The utility model relates to a kind of high-tension switch cabinet using in ring network power supply system, belongs to power transmission and distribution technical field.
Background technology
In order to improve power supply reliability, make user obtain electric energy from two independent current sources, conventionally power supply network is connected into annular, this supply power mode is referred to as ring network power supply.Ring network power supply system is used in high-tension switch cabinet general custom and is called ring main unit.
Degree of protection lower (outdoor equipment is generally IP33) due to existing ring main unit, be arranged on the impact that ring main unit seriously polluted or humidity larger area is easy to be subject to environmental factor (as filthy in moisture, condensation, dust and chemical industry), apparatus insulated level is declined, and then cause insulation flashover accident, greatly reduce reliability and the useful life of ring main unit.Based on above reason, State Grid Corporation of China will be more and more higher to the requirement of ring main unit degree of protection.
At present, the ring main unit that degree of protection is higher is all generally common case gas-filled type, it is first primary conductive parts to be arranged in casing, then weld airtight, finally be filled with SF6 gas, the degree of protection of this ring main unit can reach IP67 or IP68, is applicable to the various occasions that degree of protection is had relatively high expectations.The disadvantage of case gas-filled type ring main unit is gas leakage altogether, when welding box body technique goes wrong, the sealing of product is difficult to be guaranteed, when Leakage Gas is to a certain extent time, will affect the safe operation of ring main unit, cases of gross violationly also may cause electric accident, so operational management personnel need often carry out tonifying Qi to equipment, so just cause the waste of material, improved the maintenance cost of ring main unit.In addition, because SF6 is a kind of greenhouse gas, will be to environment once leak out, so its leakage problem is just receiving more and more higher concern.
Utility model content
The purpose of this utility model is the drawback for prior art, and the air insulation looped network high-tension switch cabinet that a kind of degree of protection is high is provided, and to improve the reliability of ring main unit, reduces maintenance cost and pollution on the environment.
Problem described in the utility model realizes with following technical proposals:
A kind of air insulation looped network high-tension switch cabinet, formation comprises seal casinghousing and is arranged on a plurality of circuit breakers and a plurality of isolating switch in seal casinghousing, the antetheca outer setting of described seal casinghousing has mechanism's operating room and interstar connection room, rear wall is provided with access hole and access hole seal cover board, it is indoor that the operating side of each circuit breaker power transmission shaft is positioned at mechanism operation, seal casinghousing internal bus adopts capacitor voltage equalizing shielding bus, and the exit of bus is connected with external circuit by the European cable joint being arranged in interstar connection room.
Above-mentioned air insulation looped network high-tension switch cabinet, in cabinet, current－carrying conductor outside is coated with and all presses screen and/or pyrocondensation insulating barrier.
Above-mentioned air insulation looped network high-tension switch cabinet, the bottom of described seal casinghousing is provided with relief valve.
Above-mentioned air insulation looped network high-tension switch cabinet, the inside of described seal casinghousing is provided with drier.
Above-mentioned air insulation looped network high-tension switch cabinet, is provided with seal gasket between described seal cover board and seal casinghousing.
Above-mentioned air insulation looped network high-tension switch cabinet, is provided with between the adjacent circuit breaker of being handled to increase climbs device by same power transmission shaft.
The utility model is arranged on distribution components and parts in seal casinghousing, has greatly improved the degree of protection of ring main unit; Internal bus adopts capacitor voltage equalizing shielding bus and is connected with external circuit by European cable joint, has effectively reduced partial discharge quantity, has guaranteed the reliability of ring main unit; This ring main unit has replaced SF6 with air, does not have gas leakage problem, thereby reduces maintenance cost, has reduced environment and has made pollution.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
In figure, each list of reference numerals is: 1, power transmission shaft, 2, connect busbar, 3, vacuum interrupter, 4, the quiet cutter head of isolation knife, 5, isolation knife dynamic cutter head, 6, access hole seal cover board, 7, isolation knife base, 8, capacitor voltage equalizing shielding bus, 9, interstar connection room, 10, European cable joint, 11, mechanism operation chamber, 12, seal casinghousing, 13, increase and climb device, 14, circuit breaker, 15, drier, 16, relief valve.
Embodiment
Internal bus of the present utility model adopts local coated insulation technology, stretching isolated port distance, to guarantee the method for electric clearance, seal casinghousing 12 utilizes 304 stainless steel materials welded seals, the components and parts such as the circuit breaker of functional unit, isolating switch are sealed in to a large interior volume, the incoming end of line adopts the form of European connect-disconnect plug to be connected with outside, distribution product is in operation in hermetically sealed, non-maintaining state, degree of protection is promoted to IP67 or IP68, the harm of effectively having avoided condensation filth and flood to cause equipment safety operation.Air insulation ring main unit rear side has access hole, and access hole, by 6 sealings of access hole seal cover board, makes repair and maintenance more convenient.Owing to having adopted common box type sealing mounting means, the utility model can adapt to the running environment of 3000 meters of high height above sea level.This product has thoroughly changed traditional co-box type looped net cabinet and has safeguarded inconvenient defect, that has also cancelled thoroughly inside must fill insulating gas SF6, owing to not filling SF6 gas, avoided the mechanical deformation problem of product, more there is not gas leakage impact operation and contaminated environment phenomenon.Inner current-carrying copper rod adopts capacitor voltage equalizing shield technology, ensures that electric clearance and electric field are even, and the prefabricated silicon rubber of the inner employing of insulator of line is done electrical isolation alternate and over the ground, and operation ensures safety.The connection of insulator and copper rod adopts the box-like connection of D type joint buckle, and the surface of formula bonding conductor is more round and smooth, has avoided the phenomenon of point discharge.The conductor connector of insulator adopts the locked mode of screw, has guaranteed to be more conducive to adjust the in the situation that of faying surface injustice the angle of faying surface.The drier of seal casinghousing 12 inside can be changed on time, has thoroughly solved an ambient humidity difficult problem for common box type product.Between unit, be added with the SMC sheet material that 10mm is thick, realized the interval function of unit, effectively avoided the expansion of accident.The line of this product can be with inner ground connection or earth-free, and mode is flexible, greatly facilitates maintenance construction.Between seal cover board and seal casinghousing, adopt the mode of seal gasket and sealing oil combination sealing, simple in structure firm, good stability, easy for installation; Owing to having adopted the welding procedure processing and manufacturing of integral sealing, make the protection of product reach IP68, effectively avoided the condensation filth and the flood that because of environmental factor, cause to endanger the electric accident causing, and installation is not affected by height above sea level; After the local employing of bus insulation processing, effectively reduce the volume of cabinet, saved cost.
Claims (6)
1. an air insulation looped network high-tension switch cabinet, it is characterized in that, it comprises seal casinghousing (12) and is arranged on a plurality of circuit breakers (14) and a plurality of isolating switch in seal casinghousing (12), the antetheca outer setting of described seal casinghousing (12) has mechanism's operating room (11) and interstar connection room (9), rear wall is provided with access hole and access hole seal cover board (6), the operating side of each circuit breaker power transmission shaft (1) is positioned at mechanism operation chamber (11), seal casinghousing (12) internal bus adopts capacitor voltage equalizing shielding bus (8), the exit of bus is connected with external circuit by the European cable joint (10) being arranged in interstar connection room (9).
2. a kind of air insulation looped network high-tension switch cabinet according to claim 1, is characterized in that, in cabinet, current－carrying conductor outside is coated with and all presses screen and/or pyrocondensation insulating barrier.
3. a kind of air insulation looped network high-tension switch cabinet according to claim 1 and 2, is characterized in that, the bottom of described seal casinghousing (12) is provided with relief valve (16).
4. a kind of air insulation looped network high-tension switch cabinet according to claim 3, is characterized in that, the inside of described seal casinghousing (12) is provided with drier (15).
5. a kind of air insulation looped network high-tension switch cabinet according to claim 4, is characterized in that, described seal cover board and seal casinghousing are provided with seal gasket between (12).
6. a kind of air insulation looped network high-tension switch cabinet according to claim 5, is characterized in that, is provided with to increase to climb device (13) by same power transmission shaft (1) between the adjacent circuit breaker (14) of being handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389909.1U CN203406552U (en) | 2013-07-02 | 2013-07-02 | Air insulated ring-network high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389909.1U CN203406552U (en) | 2013-07-02 | 2013-07-02 | Air insulated ring-network high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406552U true CN203406552U (en) | 2014-01-22 |
Family
ID=49942472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320389909.1U Expired - Fee Related CN203406552U (en) | 2013-07-02 | 2013-07-02 | Air insulated ring-network high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203406552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549329A (en) * | 2017-01-10 | 2017-03-29 | 吉林省金冠电气股份有限公司 | Double containment full working scope open air metal enclosed switchgear |
-
2013
- 2013-07-02 CN CN201320389909.1U patent/CN203406552U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549329A (en) * | 2017-01-10 | 2017-03-29 | 吉林省金冠电气股份有限公司 | Double containment full working scope open air metal enclosed switchgear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DINYOUNG ELECTRONIC TECHNOLOGY SERVICE CO., LTD. Free format text: FORMER NAME: BAODING DINGYANG POWER TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 071051 Hebei Province, Baoding City Heng Road No. 118 Patentee after: DINYOUNG POWER TECHNOLOGY SERVICES CO., LTD. Address before: 071051 Hebei city of Baoding province Baoding City Heng Road No. 118 Patentee before: Baoding Dingyang Power Technology Development Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 071051 Hebei Province, Baoding City Heng Road No. 118 Patentee after: Ding Yang, Zhi Hui, Polytron Technologies Inc Address before: 071051 Hebei Province, Baoding City Heng Road No. 118 Patentee before: DINYOUNG POWER TECHNOLOGY SERVICES CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20210702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |