CN203180419U - Double-chamber environment-friendly gas-insulated metal-enclosed switchgear - Google Patents
Double-chamber environment-friendly gas-insulated metal-enclosed switchgear Download PDFInfo
- Publication number
- CN203180419U CN203180419U CN 201320219075 CN201320219075U CN203180419U CN 203180419 U CN203180419 U CN 203180419U CN 201320219075 CN201320219075 CN 201320219075 CN 201320219075 U CN201320219075 U CN 201320219075U CN 203180419 U CN203180419 U CN 203180419U
- Authority
- CN
- China
- Prior art keywords
- gas tank
- bus
- gas
- breaker
- circuit breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a double-chamber environment-friendly gas-insulated metal-enclosed switchgear. The switchgear comprises a circuit breaker gas chamber which is filled by nitrogen or nitrogen mixture, and a bus gas chamber which is filled by nitrogen or nitrogen mixture. The switchgear further comprises a cable chamber, the cable chamber and the bus gas chamber are arranged side by side and then both arranged under the circuit breaker gas chamber. The switchgear is simple in structure, low in cost and highly safe, and can realize partial maintenance.
Description
Technical field
The utility model relates to switchgear, specifically refers to
Double-box typeThe environmental-protective gas-insulating metal enclosed switchgear.
Background technology
Traditional high voltage switchgear, general high-tension line is exposed in the air, part adopts sulfur hexafluoride gas to isolate, and sulfur hexafluoride gas is greenhouse gas, its greenhouse effect are more than 6 times of carbon dioxide, can increase the weight of the atmosphere greenhouse effect in case take place to leak therefore, therefore existing high voltage switchgear exists 2 problems, dangerous and not environmental protection; In addition, existing high voltage switchgear complex structure, floor space is big, and installation process is also corresponding complicated, and assembling cycle is longer.In addition, traditional high voltage switchgear, adopt a stuffing box, its high-tension line equipment all concentrates in the sealing case, if one of them parts breaks down, then need to dismantle whole stuffing box, in maintenance process, if operate miss then can to cause all the other to move normal equipment impaired, so we need design the switchgear that a kind of subregion is installed high-tension line.
The utility model content
The purpose of this utility model is to provide double-box type environmental-protective gas-insulating metal enclosed switchgear, and this apparatus structure is simple, and cost is low, the security performance height, and maintenance can realize the subregion maintenance.
Implementation of the present utility model is as follows: double-box type environmental-protective gas-insulating metal enclosed switchgear, comprise the circuit breaker gas tank that is filled with nitrogen or nitrogen mixture and the bus gas tank that is filled with nitrogen or nitrogen mixture, also comprise the cable vault, all be positioned at circuit breaker gas tank below after described cable vault and bus gas tank are arranged side by side.
Based on said structure, the utility model is divided into 2 subregions with the high-tension line seal isolation gas tank of traditional integral type, namely be filled with the circuit breaker gas tank and the bus gas tank that is filled with nitrogen or nitrogen mixture of nitrogen or nitrogen mixture, like this, after the vacuum circuit-breaker in the circuit breaker gas tank breaks down, only need the maintenance of dismounting circuit breaker gas tank get final product, if the three-station in the bus gas tank or bus when breaking down, only need dismounting bus gas tank to keep in repair and get final product.Owing to have 2 gas tanks, therefore for structural configuration is compacter, all be positioned at circuit breaker gas tank below after cable vault and bus gas tank are arranged side by side.Under being positioned at, the cable vault can conveniently carry out ground lambda line construction, conserve space.
Be provided with vacuum circuit-breaker in the described circuit breaker gas tank, the input of vacuum circuit-breaker is connected with the internal cone type socket by branch bus, the internal cone type socket is fixed on the circuit breaker gas tank near on the one side of cable vault, the internal cone type socket extends into inside, cable vault, be provided with turnover line cable in the cable vault, turnover line cable is plugged in the end that the internal cone type socket extends into the cable vault.
Described branch bus also is connected to voltage transformer by one section line conductor, and voltage transformer is installed in circuit breaker gas tank outside, and the outer diametric plane of branch bus also is arranged with built-in current transformer.
Also comprise the low voltage control chamber, described low voltage control chamber is positioned at bus gas tank top, the indoor vacuum circuit breaker operating mechanism that is provided with of low voltage control, and the output of vacuum circuit breaker operating mechanism is connected with the driving input of vacuum circuit-breaker.
The output of vacuum circuit-breaker is connected with socket by lead, socket is installed at the circuit breaker gas tank near on the one side of bus gas tank, be provided with three-station in the bus gas tank, the cantilever connector of three-station is connected with plug, and described plug connects with the socket that is connected the vacuum circuit-breaker output.
Three-station also comprises closing contact, and closing contact is connected with main bus bar and joint sleeve.
The indoor three-station operating mechanism that also is provided with of low voltage control, the three-station operating mechanism is connected with three-station.
Wherein vacuum circuit-breaker has following function: 1, folding rated current, 2, folding fault current, 3, cooperate three-station to realize the cable grounding function, wherein the pole of vacuum circuit-breaker is vertically mounted in this circuit breaker gas tank or level is installed in the circuit breaker gas tank, and the mechanical operating mechanism of control vacuum circuit-breaker all places this circuit breaker gas tank outside, so that safeguard.Three-station has 3 service positions, is respectively: 1, connect main bus bar and joint sleeve position, be called for short closing position; 2, the isolated location is called for short in the position that isolates with bus; 3, be connected to grounding contact, the contact earthing position.Above-mentioned 3 service positions are very clear and definite on the operating mechanism of three-station, isolated location, moving contact move to the two ends extreme position under the driving of insulation blanket stud during the centre position, each fixed contact of two ends, be respectively and close a floodgate and earthing position, when therefore needing, can cancel ground connection, become isolating switch, the cantilever connector is moving contact.The earthing position of three-station is only realized connecting of major loop and grounded circuit, the real ground connection of cable loop is then closed a floodgate by vacuum circuit-breaker and is bent, there are machinery and electrical interlock between the operating mechanism of three-station and the operating mechanism of vacuum circuit-breaker, only when the vacuum circuit-breaker gate-dividing state, just can be operated to earthing position, main bus bar and joint sleeve are exported station as power supply.
Turnover line outside diameter of cable face also is arranged with current transformer.Current transformer is for detection of the size of current of the turnover line cable of flowing through; when its electric current surpasses rated current; current transformer sends to the protection control unit with the information of sampling; it is indoor that the protection control unit is positioned at low voltage control, and the protection control unit provides disconnected lock signal and gives the operating mechanism of vacuum circuit-breaker and the operating mechanism of three-station.This moment, vacuum circuit-breaker and the three-station lock that break was operated.Vacuum circuit breaker operating mechanism and three-station operating mechanism are configured in external environment condition and make things convenient for manual operation and maintenance.
Bus gas tank outer wall also is equipped with the bus gas tank pressure relief opening and the bus gas tank gas that are communicated with bus gas tank inside and detects valve, and it is indoor that described bus gas tank gas detection valve is positioned at low voltage control, and bus gas tank pressure relief opening is positioned at the cable vault.Bus gas tank gas detects valve for detection of bus gas tank internal gas.Bus gas tank pressure relief opening is used for emptying internal gas when maintenance.
Circuit breaker gas tank outer wall also is provided with the vacuum circuit-breaker gas tank gas that is communicated with circuit breaker gas tank inside and detects valve and circuit breaker gas tank pressure relief opening, and it is indoor that described vacuum circuit-breaker gas tank gas detection valve and circuit breaker gas tank pressure relief opening all are positioned at low voltage control.Vacuum circuit-breaker gas tank gas detects valve for detection of circuit breaker gas tank internal gas, and circuit breaker gas tank pressure relief opening is used for emptying internal gas when maintenance.
Advantage of the present utility model is: this apparatus structure is simple, and cost is low, the security performance height, and maintenance can realize the subregion maintenance.
Description of drawings
Fig. 1 is the utility model structural representation.
Mark among the figure is expressed as respectively: 1, low voltage control chamber; 2, protection control unit; 3, vacuum circuit breaker operating mechanism; 4, vacuum circuit-breaker; 5, control room door; 6, vacuum circuit-breaker gas tank gas detects valve; 7, circuit breaker gas tank; 8, three-station operating mechanism; 9, bus gas tank gas detects valve; 10, three-station; 11, main bus bar and joint sleeve; 12, bus gas tank; 13, front shroud; 14, cabinet body frame; 15, voltage transformer; 16, circuit breaker gas tank pressure relief opening; 17, built-in current transformer; 18, branch bus; 19, internal cone type socket; 20, insulation plug; 21, turnover line cable; 22, current transformer; 23, back shroud; 24, bus gas tank pressure relief opening.
Embodiment
Embodiment one
As shown in Figure 1.
Double-box type environmental-protective gas-insulating metal enclosed switchgear, comprise the circuit breaker gas tank 7 that is filled with nitrogen or nitrogen mixture and the bus gas tank 12 that is filled with nitrogen or nitrogen mixture, also comprise the cable vault, all be positioned at circuit breaker gas tank 7 belows after described cable vault and bus gas tank 12 are arranged side by side.
Based on said structure, the utility model is divided into 2 subregions with the high-tension line seal isolation gas tank of traditional integral type, namely be filled with the circuit breaker gas tank 7 and the bus gas tank 12 that is filled with nitrogen or nitrogen mixture of nitrogen or nitrogen mixture, like this, after the vacuum circuit-breaker in the circuit breaker gas tank 7 breaks down, only need the maintenance of dismounting circuit breaker gas tank get final product, if the three-station in the bus gas tank 12 or bus when breaking down, only need dismounting bus gas tank 12 to keep in repair and get final product.Owing to have 2 gas tanks, therefore for structural configuration is compacter, all be positioned at circuit breaker gas tank 7 belows after cable vault and bus gas tank 12 are arranged side by side.Under being positioned at, the cable vault can conveniently carry out ground lambda line construction, conserve space.
Be provided with vacuum circuit-breaker 4 in the described circuit breaker gas tank 7, the input of vacuum circuit-breaker 4 is connected with internal cone type socket 19 by branch bus 18, internal cone type socket 19 is fixed on circuit breaker gas tank 7 near on the one side of cable vault, internal cone type socket 19 extends into inside, cable vault, be provided with turnover line cable 21 in the cable vault, turnover line cable 21 is plugged in the end that internal cone type socket 19 extends into the cable vault.
Described branch bus 18 also is connected to voltage transformer 15 by one section line conductor, and voltage transformer 15 is installed in circuit breaker gas tank 7 outsides, and branch bus 18 outer diametric planes also are arranged with built-in current transformer 17.
Also comprise low voltage control chamber 1, described low voltage control chamber is positioned at bus gas tank 12 tops, is provided with vacuum circuit breaker operating mechanism 3 in the low voltage control chamber 1, and the output of vacuum circuit breaker operating mechanism 3 is connected with the driving input of vacuum circuit-breaker 4.
The output of vacuum circuit-breaker 4 is connected with socket by lead, socket is installed at circuit breaker gas tank 7 near on the one side of bus gas tank, be provided with three-station 10 in the bus gas tank, the cantilever connector of three-station 10 is connected with plug, and described plug connects with the socket that is connected vacuum circuit-breaker 4 outputs.
Three-station 10 also comprises closing contact, and closing contact is connected with main bus bar and joint sleeve.
Also be provided with three-station operating mechanism 8 in the low voltage control chamber 1, three-station operating mechanism 8 is connected with three-station.
Wherein vacuum circuit-breaker has following function: 1, folding rated current, 2, folding fault current, 3, cooperate three-station to realize the cable grounding function, wherein the pole of vacuum circuit-breaker is vertically mounted in this circuit breaker gas tank or level is installed in the circuit breaker gas tank, and the mechanical operating mechanism of control vacuum circuit-breaker all places this circuit breaker gas tank outside, so that safeguard.Three-station has 3 service positions, is respectively: 1, connect main bus bar and joint sleeve position, be called for short closing position; 2, the isolated location is called for short in the position that isolates with bus; 3, be connected to grounding contact, the contact earthing position.Above-mentioned 3 service positions are very clear and definite on the operating mechanism of three-station, isolated location, moving contact move to the two ends extreme position under the driving of insulation blanket stud during the centre position, each fixed contact of two ends, be respectively and close a floodgate and earthing position, when therefore needing, can cancel ground connection, become isolating switch, the cantilever connector is moving contact.The earthing position of three-station is only realized connecting of major loop and grounded circuit, the real ground connection of cable loop is then closed a floodgate by vacuum circuit-breaker and is bent, there are machinery and electrical interlock between the operating mechanism of three-station and the operating mechanism of vacuum circuit-breaker, only when the vacuum circuit-breaker gate-dividing state, just can be operated to earthing position, main bus bar and joint sleeve are exported station as power supply.
Turnover line outside diameter of cable face also is arranged with current transformer 22.Current transformer is for detection of the size of current of the turnover line cable of flowing through; when its electric current surpasses rated current; current transformer sends to the protection control unit with the information of sampling; it is indoor that the protection control unit is positioned at low voltage control, and the protection control unit provides disconnected lock signal and gives the operating mechanism of vacuum circuit-breaker and the operating mechanism of three-station.This moment, vacuum circuit-breaker and the three-station lock that break was operated.Vacuum circuit breaker operating mechanism and three-station operating mechanism are configured in external environment condition and make things convenient for manual operation and maintenance.
Bus gas tank outer wall also is equipped with the bus gas tank pressure relief opening 24 and the bus gas tank gas that are communicated with bus gas tank inside and detects valve 9, and described bus gas tank gas detects valve 9 and is positioned at low voltage control chamber 1, and bus gas tank pressure relief opening 24 is positioned at the cable vault.Bus gas tank gas detects valve for detection of bus gas tank internal gas.Bus gas tank pressure relief opening 24 is used for emptying internal gas when maintenance.
Circuit breaker gas tank 7 outer walls also are provided with the vacuum circuit-breaker gas tank gas that is communicated with circuit breaker gas tank inside and detect valve 6 and circuit breaker gas tank pressure relief opening 16, and described vacuum circuit-breaker gas tank gas detects valve 6 and circuit breaker gas tank pressure relief opening 16 all is positioned at low voltage control chamber 1.Vacuum circuit-breaker gas tank gas detects valve for detection of circuit breaker gas tank internal gas, and circuit breaker gas tank pressure relief opening is used for emptying internal gas when maintenance.
The circuit of its power supply is: enter three phase mains by turnover line cable, the vacuum circuit-breaker of flowing through, pass through the cantilever connector of three-station then, enter main bus bar and joint sleeve then, exported by joint sleeve at last.
As mentioned above, then can well realize the utility model.
Claims (10)
1. double-box type environmental-protective gas-insulating metal enclosed switchgear, it is characterized in that: comprise the circuit breaker gas tank (7) that is filled with nitrogen or nitrogen mixture and be filled with nitrogen or the bus gas tank of nitrogen mixture (12), also comprise the cable vault, all be positioned at circuit breaker gas tank (7) below after described cable vault and bus gas tank (12) are arranged side by side.
2. double-box type environmental-protective gas-insulating metal enclosed switchgear according to claim 1, it is characterized in that: be provided with vacuum circuit-breaker (4) in the described circuit breaker gas tank (7), the input of vacuum circuit-breaker (4) is connected with internal cone type socket (19) by branch bus (18), internal cone type socket (19) is fixed on circuit breaker gas tank (7) near on the one side of cable vault, internal cone type socket (19) extends into inside, cable vault, be provided with turnover line cable (21) in the cable vault, turnover line cable (21) is plugged in the end that internal cone type socket (19) extends into the cable vault.
3. double-box type environmental-protective gas-insulating metal enclosed switchgear according to claim 2, it is characterized in that: described branch bus (18) also is connected to voltage transformer (15) by one section line conductor, voltage transformer (15) is installed in circuit breaker gas tank (7) outside, and the outer diametric plane of branch bus (18) also is arranged with built-in current transformer (17).
4. double-box type environmental-protective gas-insulating metal enclosed switchgear according to claim 2, it is characterized in that: also comprise low voltage control chamber (1), described low voltage control chamber is positioned at bus gas tank (12) top, be provided with vacuum circuit breaker operating mechanism (3) in the low voltage control chamber (1), the output of vacuum circuit breaker operating mechanism (3) is connected with the driving input of vacuum circuit-breaker (4).
5. double-box type environmental-protective gas-insulating metal enclosed switchgear according to claim 4, it is characterized in that: the output of vacuum circuit-breaker (4) is connected with socket by lead, socket is installed at circuit breaker gas tank (7) near on the one side of bus gas tank, be provided with three-station (10) in the bus gas tank, the cantilever connector of three-station (10) is connected with plug, and described plug connects with the socket that is connected vacuum circuit-breaker (4) output.
6. double-box type environmental-protective gas-insulating metal enclosed switchgear according to claim 5, it is characterized in that: three-station (10) also comprises closing contact, and closing contact is connected with main bus bar and joint sleeve.
7. double-box type environmental-protective gas-insulating metal enclosed switchgear according to claim 5, it is characterized in that: also be provided with three-station operating mechanism (8) in low voltage control chamber (1), three-station operating mechanism (8) is connected with three-station.
8. according to any described double-box type environmental-protective gas-insulating metal enclosed switchgear among the claim 2-7, it is characterized in that: turnover line outside diameter of cable face also is arranged with current transformer (22).
9. according to any described double-box type environmental-protective gas-insulating metal enclosed switchgear among the claim 4-7, it is characterized in that: bus gas tank outer wall also is equipped with the bus gas tank pressure relief opening (24) and the bus gas tank gas that are communicated with bus gas tank inside and detects valve (9), described bus gas tank gas detects valve (9) and is positioned at low voltage control chamber (1), and bus gas tank pressure relief opening (24) is positioned at the cable vault.
10. according to any described double-box type environmental-protective gas-insulating metal enclosed switchgear among the claim 4-7, it is characterized in that: circuit breaker gas tank (7) outer wall also is provided with the vacuum circuit-breaker gas tank gas that is communicated with circuit breaker gas tank inside and detects valve (6) and circuit breaker gas tank pressure relief opening (16), and described vacuum circuit-breaker gas tank gas detects valve (6) and circuit breaker gas tank pressure relief opening (16) all is positioned at low voltage control chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219075 CN203180419U (en) | 2013-04-26 | 2013-04-26 | Double-chamber environment-friendly gas-insulated metal-enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219075 CN203180419U (en) | 2013-04-26 | 2013-04-26 | Double-chamber environment-friendly gas-insulated metal-enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203180419U true CN203180419U (en) | 2013-09-04 |
Family
ID=49077079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320219075 Expired - Fee Related CN203180419U (en) | 2013-04-26 | 2013-04-26 | Double-chamber environment-friendly gas-insulated metal-enclosed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203180419U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449574A (en) * | 2015-12-02 | 2016-03-30 | 国家电网公司 | Busbar gas tank for gas-filled tank and gas-filled tank employing busbar gas tank |
| CN106025905A (en) * | 2016-07-22 | 2016-10-12 | 新疆特变电工自控设备有限公司 | Inflatable compound insulated switch cabinet |
| CN107492828A (en) * | 2016-06-12 | 2017-12-19 | 江苏大全长江电器股份有限公司 | A kind of pull-out type gas-insulated switchgear |
| CN110364956A (en) * | 2019-06-21 | 2019-10-22 | 莱福士电力电子设备（深圳）有限公司 | A kind of high-tension switch gear |
-
2013
- 2013-04-26 CN CN 201320219075 patent/CN203180419U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449574A (en) * | 2015-12-02 | 2016-03-30 | 国家电网公司 | Busbar gas tank for gas-filled tank and gas-filled tank employing busbar gas tank |
| CN107492828A (en) * | 2016-06-12 | 2017-12-19 | 江苏大全长江电器股份有限公司 | A kind of pull-out type gas-insulated switchgear |
| CN106025905A (en) * | 2016-07-22 | 2016-10-12 | 新疆特变电工自控设备有限公司 | Inflatable compound insulated switch cabinet |
| CN110364956A (en) * | 2019-06-21 | 2019-10-22 | 莱福士电力电子设备（深圳）有限公司 | A kind of high-tension switch gear |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104051975B (en) | Breaker assembly | |
| CN103311838A (en) | Switchgear | |
| CN202026018U (en) | Handcart interlocking centrally-installed switch cabinet | |
| CN203180419U (en) | Double-chamber environment-friendly gas-insulated metal-enclosed switchgear | |
| WO2015043460A1 (en) | High-speed grounding switch and grounding switch assembly unit composed thereof | |
| CN101483322A (en) | Armored withdraw type metal enclosed switch cabinet | |
| CN103594953B (en) | A kind of electric locomotive GIS high-voltaghe compartment | |
| CN210898273U (en) | Mining explosion-proof mobile substation | |
| CN201877691U (en) | Switch cabinet | |
| CN204190252U (en) | SF6 insulate vacuum demarcation switch cabinet | |
| CN203180421U (en) | Single-chamber environment-friendly gas-insulated metal-enclosed switchgear | |
| CN203659733U (en) | Outdoor high-voltage demarcation vacuum circuit breaker | |
| CN203193175U (en) | Lightning-protection double-case environmentally friendly gas-insulated metal-enclosed switchgear | |
| CN202524003U (en) | High-voltage switchgear | |
| CN102646941A (en) | High-voltage switch cabinet | |
| CN202353075U (en) | Switch cabinet | |
| CN102290733B (en) | Total solid insulating ring network cabinet | |
| CN205335738U (en) | Totally enclosed miniaturized cubical switchboard of gaseous all insulation of environmental protection | |
| CN105633849A (en) | SF6 insulating vacuum boundary switch cabinet | |
| CN106972397A (en) | Inflatable ac metal closing switch gear | |
| CN203180420U (en) | Environment-friendly gas-insulated metal-enclosed switchgear | |
| CN203026842U (en) | Metal enclosed switching device insulated by environment-friendly gas | |
| CN207250977U (en) | A kind of full-insulated full-sealed gas ring main units of 35kV | |
| CN201243170Y (en) | Central-positioned switch cabinet | |
| CN206865005U (en) | Inflatable ac metal closing switch gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20210426 |