CN206116994U - SF6 gas insulation looped network cabinet - Google Patents
SF6 gas insulation looped network cabinet Download PDFInfo
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- CN206116994U CN206116994U CN201621092422.7U CN201621092422U CN206116994U CN 206116994 U CN206116994 U CN 206116994U CN 201621092422 U CN201621092422 U CN 201621092422U CN 206116994 U CN206116994 U CN 206116994U
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- switch
- fuse
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Abstract
The utility model provides a SF6 gas insulation looped network cabinet, includes full sealed cabinet body and PLC controller, the cabinet is internal separates into fuse room, operating device room, switch gear room, cable chamber through the division board, fuse room lies in the internal top of cabinet, and operating device room, cable chamber space one side below the internal fuse room of cabinet distributes about being, and the switch gear room sets up the opposite side in the internal fuse room of cabinet below space, the operating device room is the empty gas insulated die cavity body, its inside three working station operation mechanisms that are equipped with, solid insulation type earthing switch, with electric temperature and humidity sensor and the dehumidifying device who is connected of controller, be equipped with wire inlet and outlet bushing and clip for cable conductor in the cable chamber, SF6 gas -insulated packs in the switch gear room, and be equipped with gas detector, electromagnetic valves, main switch and generating line, gas detector is connected with PLC controller electricity, the PLC controller opens and shuts according to the detection data control solenoid door of gas detector conveying. This SF6 gas insulation looped network cabinet's simple structure, solid insulating material's quantity is few, and insulating properties is good.
Description
Technical field
This utility model is related to a kind of insulation ring main unit, more particularly, to a kind of SF6 gas-insulated ring networks cabinet.
Background technology
With the development of urban power distribution network, the mode of ring network power supply is used in urban power distribution network more and more
In, therefore ring main unit is used as the capital equipment of ring network power supply, is increasingly powered department and widely uses, is being widely applied process
In requirement to its quality, persistence and reliability also more and more higher.In order to meet market demand, solid insulation looped network is occurred in that
Cabinet and fully enclosed looped network cabinet, it is gas-insulated ring network cabinet that current ring main unit is most, such as adopts SF6 gases or air as high pressure belt
Medium is cut-off in the insulation of electric part.As SF6 gases can decomposite toxic gas after cut-offfing, and easily leak, to casing
Seal request is high and processing technique is complicated, causes gas-insulated ring network cabinet preservation ＆ testing more complicated, needs periodically leak detection and supplements
Gas.Additionally, gas-insulated is in the higher environment of humidity, its insulation effect deviation.
Utility model content
The technical problems to be solved in the utility model is：Overcome the deficiencies in the prior art, improve one kind and can be automatically releasable SF6
The toxic gas that gas decomposes after cut-offfing are discharged in time, and good SF6 gas-insulated ring network cabinets of insulation effect.
This utility model solves the technical scheme adopted by its technical problem：A kind of SF6 gas-insulated ring networks cabinet, including
By divides into fuse room, operating mechanism room, switch gear room, electricity in totally-enclosed cabinet and PLC, the cabinet
Cable room；The fuse room is located at cabinet inner top, operating mechanism room, the cable vault fuse room underlying space in the cabinet
In being distributed up and down, switch gear room arranges the opposite side of fuse room underlying space in the cabinet for side；The operating mechanism room is
Air insulation cavity, is internally provided with three station operating mechanisms, solid insulation type earthed switch, the temperature being electrically connected with the controller
Humidity sensor and dehumidifier apparatus, are provided with inlet-outlet sleeve and cable clamp, the switch interior filling SF6 in the cable room
Gas-insulated, and detector, electromagnetic valve, master switch and bus are provided with, the detector is electrically connected with PLC
Connect, PLC controls the folding of electromagnetic valve according to the detection data that detector is transmitted.
Further, the dehumidifier apparatus include driving power supply, the time relay, refrigerating plant and drainage arrangement, the system
The connection circuit of device for cooling and driving power supply is provided with the time relay, and the time relay is connected with controller, the system
Device for cooling is connected with drainage arrangement.
Further, the demarcation strip adopts metal or nonmetallic SMC materials to make.
Further, the cabinet offers propagation chamber in switch gear room's underlying space, and propagation chamber is through the cabinet
Dead slot, the bus is connected with extension outlet casing tube, and extension outlet casing tube stretches to propagation chamber from the switch gear room bottom.
Further, the operating mechanism room is provided with observation window.
Further, the earthed switch is external earthed switch.
Further, the master switch is double-fracture vacuum switch.
A kind of operation principle and using method of SF6 gas-insulated ring networks cabinet of this utility model be：Set by PLC
Determine the control targe value of operating mechanism indoor temperature and humidity, and the switch interior SF6 gases concentration of toxic gases decomposed is controlled
Minima and maximum.
When the Temperature Humidity Sensor in operating mechanism room detects humiture higher than control targe value, PLC control
Time relay connection processed, connects the electrical circuit of dehumidifier apparatus, and then to dehumidifier is carried out in operating mechanism room, dehumidifier apparatus are produced
Raw water is flowed in drainage arrangement.Setting value, the electrical circuit cut-out of dehumidifier apparatus, dehumidifier dress are reached when the time of the time relay
Put out of service, or, when the humiture that Temperature Humidity Sensor is detected is within control targe value, PLC control
The time relay disconnects, and disconnects the electrical circuit of dehumidifier apparatus, stops to dehumidifier in operating mechanism room, and then guarantees operating mechanism
Indoor air is maintained at suitable humidity, and then improves the insulation effect of operating mechanism room.
When the concentration of toxic gases that the indoor detector of switch detects switch interior SF6 decomposition reaches setting most
During big value, the signal opens solenoid valve door that PLC is transmitted according to detector, outside the toxic gas for making switch indoor
Row, when the gas concentration of detector transmission is less than minima, PLC closes electromagnetic valve, repeats aforesaid operations,
So that it is guaranteed that the content of toxic gas is controlled within safety range.
The SF6 gas-insulated ring networks cabinet is entered to different spaces using SF6 gas-insulateds and solid insulation and air insulation
Row insulation, reduce solid insulating material use, it is more environmentally-friendly, be also equipped with product it is tangible, again ensure insulation clear distance effect；
Propagation chamber is set below switch gear room, the pattern for expanding is provided down for bus extension, saved upper space, and reduced outside whole cabinet
Shell material cost；Compound inslation external earthed switch can reach real visual, conveniently dismounting and installation；Using double-fracture vacuum
Switch, with more reliable connecting-disconnecting function.
A kind of beneficial effect of SF6 gas-insulated ring networks cabinet of this utility model：Simple structure, comprehensive utilization SF6 gases are exhausted
Edge and solid insulation and air insulation insulate to different spaces, reduce the use of solid insulating material, and using empty
Draw last breath the operating mechanism indoor location dehumidifier apparatus of edge, and then control air-insulated ambient temperature and humidity, improve insulation looped network
The insulating properties of cabinet；In switch gear room, using detector and the integrated structure of electromagnetic valve, effectively discharge SF6 was being used
Decompose the toxic gas of generation in journey, improve the safety for using of insulation ring main unit.
Description of the drawings
Fig. 1-it is a kind of structural representation of SF6 gas-insulated ring networks cabinet of this utility model.
Specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1
With reference to Fig. 1, a kind of SF6 gas-insulated ring networks cabinet, including totally-enclosed cabinet and PLC are led in the cabinet
Cross demarcation strip and be separated into fuse room, operating mechanism room, switch gear room, cable vault；The fuse room is located at cabinet inner top, behaviour
In being distributed up and down, switch gear room arranges the cabinet for fuse room underlying space side in the cabinet to make mechanism chamber, cable vault
The opposite side of interior fuse room underlying space；The operating mechanism room is air insulation cavity, is internally provided with three stations behaviour
Make mechanism, solid insulation type earthed switch, the Temperature Humidity Sensor being electrically connected with the controller and dehumidifier apparatus, in the cable room
Inlet-outlet sleeve and cable clamp, the switch interior filling SF6 gas-insulateds are provided with, and are provided with detector, electromagnetic valve
Door, master switch and bus, the detector are electrically connected with PLC, and PLC is transmitted according to detector
Detection data controls the folding of electromagnetic valve.
The dehumidifier apparatus include driving power supply, the time relay, refrigerating plant and drainage arrangement, the refrigerating plant and
The connection circuit of driving power supply is provided with the time relay, and the time relay is connected with controller, the refrigerating plant with
Drainage arrangement connects.
The demarcation strip adopts metal or nonmetallic SMC materials to make.
The cabinet offers propagation chamber in switch gear room's underlying space, extension
Room is the dead slot through the cabinet, and the bus is connected with extension outlet casing tube, and extension outlet casing tube is from described
Switch gear room bottom stretches to propagation chamber.
The operating mechanism room is provided with observation window.
The earthed switch is external earthed switch.
The master switch is double-fracture vacuum switch.
A kind of operation principle and using method of SF6 gas-insulated ring networks cabinet of this utility model be：Set by PLC
Determine the control targe value of operating mechanism indoor temperature and humidity, and the switch interior SF6 gases concentration of toxic gases decomposed is controlled
Minima and maximum.
When the Temperature Humidity Sensor in operating mechanism room detects humiture higher than control targe value, PLC control
Time relay connection processed, connects the electrical circuit of dehumidifier apparatus, and then to dehumidifier is carried out in operating mechanism room, dehumidifier apparatus are produced
Raw water is flowed in drainage arrangement.Setting value, the electrical circuit cut-out of dehumidifier apparatus, dehumidifier dress are reached when the time of the time relay
Put out of service, or, when the humiture that Temperature Humidity Sensor is detected is within control targe value, PLC control
The time relay disconnects, and disconnects the electrical circuit of dehumidifier apparatus, stops to dehumidifier in operating mechanism room, and then guarantees operating mechanism
Indoor air is maintained at suitable humidity, and then improves the insulation effect of operating mechanism room.
When the concentration of toxic gases that the indoor detector of switch detects switch interior SF6 decomposition reaches setting most
During big value, the signal opens solenoid valve door that PLC is transmitted according to detector, outside the toxic gas for making switch indoor
Row, when the gas concentration of detector transmission is less than minima, PLC closes electromagnetic valve, repeats aforesaid operations,
So that it is guaranteed that the content of toxic gas is controlled within safety range.
Claims (7)
1. a kind of SF6 gas-insulated ring networks cabinet, it is characterised in that including totally-enclosed cabinet and PLC, leads in the cabinet
Cross demarcation strip and be separated into fuse room, operating mechanism room, switch gear room, cable vault；The fuse room is located at cabinet inner top, behaviour
In being distributed up and down, switch gear room arranges the cabinet for fuse room underlying space side in the cabinet to make mechanism chamber, cable vault
The opposite side of interior fuse room underlying space；The operating mechanism room is air insulation cavity, is internally provided with three stations behaviour
Make mechanism, solid insulation type earthed switch, the Temperature Humidity Sensor being electrically connected with the controller and dehumidifier apparatus, in the cable room
Inlet-outlet sleeve and cable clamp, the switch interior filling SF6 gas-insulateds are provided with, and are provided with detector, electromagnetic valve
Door, master switch and bus, the detector are electrically connected with PLC, and PLC is transmitted according to detector
Detection data controls the folding of electromagnetic valve.
2. SF6 gas-insulated ring networks cabinet as claimed in claim 1, it is characterised in that the dehumidifier apparatus include driving power supply, when
Between the connection circuit of relay, refrigerating plant and drainage arrangement, the refrigerating plant and driving power supply be provided with the time relay,
The time relay is connected with controller, and the refrigerating plant is connected with drainage arrangement.
3. SF6 gas-insulated ring networks cabinet as claimed in claim 1 or 2, it is characterised in that the demarcation strip adopts metal or non-gold
Category SMC materials make.
4. SF6 gas-insulated ring networks cabinet as claimed in claim 1 or 2, it is characterised in that the cabinet is below the switch gear room
Space offers propagation chamber, and propagation chamber is the dead slot through the cabinet, and the bus is connected with extension outlet casing tube, expands
Thread casing stretches to propagation chamber from the switch gear room bottom.
5. SF6 gas-insulated ring networks cabinet as claimed in claim 1 or 2, it is characterised in that the operating mechanism room is provided with observation
Window.
6. SF6 gas-insulated ring networks cabinet as claimed in claim 1 or 2, it is characterised in that the earthed switch is external ground connection
Switch.
7. SF6 gas-insulated ring networks cabinet as claimed in claim 1 or 2, it is characterised in that the master switch is opened for double-fracture vacuum
Close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092422.7U CN206116994U (en) | 2016-09-30 | 2016-09-30 | SF6 gas insulation looped network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092422.7U CN206116994U (en) | 2016-09-30 | 2016-09-30 | SF6 gas insulation looped network cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206116994U true CN206116994U (en) | 2017-04-19 |
Family
ID=58522124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621092422.7U Active CN206116994U (en) | 2016-09-30 | 2016-09-30 | SF6 gas insulation looped network cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206116994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591725A (en) * | 2017-10-26 | 2018-01-16 | 广东电网有限责任公司电力科学研究院 | A kind of SF6Gas-insulated ring network cabinet collector |
-
2016
- 2016-09-30 CN CN201621092422.7U patent/CN206116994U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591725A (en) * | 2017-10-26 | 2018-01-16 | 广东电网有限责任公司电力科学研究院 | A kind of SF6Gas-insulated ring network cabinet collector |
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