CN206116995U - Totally closed looped netowrk cabinet of gas -insulated - Google Patents
Totally closed looped netowrk cabinet of gas -insulated Download PDFInfo
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- CN206116995U CN206116995U CN201621092466.XU CN201621092466U CN206116995U CN 206116995 U CN206116995 U CN 206116995U CN 201621092466 U CN201621092466 U CN 201621092466U CN 206116995 U CN206116995 U CN 206116995U
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- aeration tank
- controller
- main unit
- gas
- ring main
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Abstract
The utility model provides on a totally closed looped netowrk cabinet of gas -insulated, inlet wire cable head were connected to ground connection sword static contact, ground connection sword moving contact was connected with vacuum circuit breaker's static contact, and vacuum circuit breaker moves contact connection to the isolator static contact, and the isolator moving contact is connected with fuse line seat, and the fuse leading -out terminal is connected with the cable head of being qualified for the next round of competitions, on the cable head of being qualified for the next round of competitions is connected to the main bus -bar, constituted the major loop of looped netowrk cabinet, all main loop element all fixed mounting in aeration tank, install the temperature and humidity sensor who is connected with the input of controller in the aeration tank, its top and hot -blast pump intercommunication, the bottom is connected with dehumidifying device, the input of controller still is connected with multifunction key, voltage transformer connects in parallel in the major loop, and current transformer wears to overlap on the main bus -bar, and voltage transformer and current transformer's secondary line is connected with the data input end of microcomputer comprehensive protection ware respectively, and the control output of microcomputer comprehensive protection ware is connected with vacuum circuit breaker's electric control end, constitutes the intelligent control return circuit of looped netowrk cabinet.
Description
Technical field
This utility model is related to a kind of insulation ring main unit, more particularly, to a kind of gas-insulating and fully-enclosed ring main unit.
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.Mostly using conventional in currently known middle pressure gas-filling cabinet
Fixed switching cabinet, using gas（Such as air, SF6 gases）Good insulating properties, using modular construction, can be spliced into each
Kind of Main Wire Connection Scheme, due to the air that plays insulating effect, easily because of the change of external environment, humiture is uncontrollable, causes insulation complete
The ring main unit insulating properties of closing are poor.Additionally, secondly, traditional insulation ring main unit does not possess the intelligent of control loop and master
The all insulation of multiple-pole switch element, totally-enclosed function in loop.
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 automatically adjust sky
Draw last breath edge ambient temperature and humidity and all insulation of multiple-pole switch element in possessing the intelligent and major loop at control networking, complete seal
Close the gas-insulating and fully-enclosed ring main unit of function.
This utility model solves the technical scheme adopted by its technical problem：A kind of gas-insulating and fully-enclosed ring main unit,
By inlet wire end, earthing, voltage transformer, vacuum circuit breaker, disconnecting switch, fuse, outlet cable head, main bus-bar,
Current transformer, aeration tank, computer integrated protection devices are constituted, and inlet wire end is connected on earthing static contact, earthing
Moving contact is connected with the static contact of vacuum circuit breaker, and movable contact of vacuum circuit breaker is connected on static contact isolation switch, isolation
Switch movable contact is connected with fuse line seat, and fuse leading-out terminal is connected with outlet cable head, and outlet cable head is connected to
On main bus-bar, the major loop of the totally-enclosed inflated type ring main unit of intelligent all insulation is constituted, and all major loop elements are all fixedly mounted
Inside the aeration tank filled with air；Temperature Humidity Sensor is installed in aeration tank, is connected with hot blast pump at the top of which, bottom with take out
Wet device connection；The Temperature Humidity Sensor is connected with the input of controller, and the input of controller is also controlled with being used to set
The multifunction push key connection of the Temperature and Humidity Control threshold value in device processed, the humiture that the controller is transmitted according to Temperature Humidity Sensor
Detection data control hot blast pump, the keying of dehumidifier apparatus；Voltage transformer is connected in parallel in major loop, and current transformer is set on master
On bus, the secondary line of voltage transformer summation current transformer is connected with the data input pin of computer integrated protection devices respectively, micro-
The control output end of machine comprehensive protection device is connected with the Electronic control end of vacuum circuit breaker, constitutes the totally-enclosed inflated type of all insulation
The Based Intelligent Control loop of ring main unit.
Further, check valve is installed in the hot blast pump and the first connecting tube of aeration tank, and the periphery of check valve connects
It is connected to black box.
Further, the second connecting tube that the dehumidifier apparatus are connected with aeration tank is provided near aeration tank one end and controller
First electromagnetic valve of connection, the second connecting tube are provided with black box with the junction of aeration tank.
Further, the current supply circuit of the dehumidifier apparatus is provided with the time relay, the time relay and controller
Electrical connection.
Further, the controller is PLC.
Further, the Temperature and Humidity Control threshold value include heating starting threshold value, heating outage threshold, dehumidifier start threshold value and
Dehumidifier outage threshold.
Further, the black box is to be made from elastomeric material（Such as rubber）Sealing ring.
A kind of operation principle and using method of gas-insulating and fully-enclosed ring main unit of this utility model be：Set by function
Temperature and Humidity Control threshold value in aeration tank（Heating starting threshold value, heating outage threshold, dehumidifier start threshold value and dehumidifier outage threshold
Setting）；The major loop element in aeration tank is run under the suitable air insulation environment of humiture, extend which
Service life.
Temperature Humidity Sensor detects the humiture of aeration tank interior insulation air and sends controller to, when controller compares
When detection data reaches heating starting threshold value, controller starts hot blast pump and the first electromagnetic valve, and the hot blast that hot blast pump is produced is from filling
Enter at the top of gas tank, Cryogenic air guiding the second connecting tubes of Jing in aeration tank are entered into dehumidifier apparatus, and then reduces aeration tank
Interior air humidity, improves the temperature of insulating air.When the temperature that Temperature Humidity Sensor is detected in aeration tank reaches setting
During heating outage threshold, controller cuts out hot blast pump and the first electromagnetic valve.Heating starting is reached when controller compares detection data
During threshold value, controller starts hot blast pump, the first electromagnetic valve and dehumidifier apparatus successively, or controller start successively hot blast pump,
One electromagnetic valve is connected with the time relay on dehumidifier apparatus current supply circuit starts dehumidifier apparatus, hot blast pump produce hot blast from
On move down, the gas for promoting humidity in aeration tank higher rapidly enters dehumidifier apparatus, and the refrigerator by dehumidifier apparatus,
The gas for making humidity higher is condensed into water outer row, and the interior temperature raising wet down within a short period of time of the air in aeration tank reaches many work(
In Temperature and Humidity Control threshold range that can be set by button, reach heating outage threshold or take out when controller compares detection data
When the time relay on wet device current supply circuit disconnects, controller cuts out hot blast pump, the first electromagnetic valve and dehumidifier apparatus, stops
Dehumidifier processes operation.
As check valve and the first electromagnetic valve, and the junction with aeration tank are provided with the first connecting tube and the second connecting tube
Black box is provided with, the sealing property of aeration tank is improve, the totally-enclosed of ring main unit is realized.
A kind of beneficial effect of gas-insulating and fully-enclosed ring main unit of this utility model：Major loop element is arranged on into aeration tank
It is interior, the space of aeration tank is reduced, insulant has been saved, the cost of manufacture of ring main unit is reduced, by passing using humiture
Sensor, controller, hot blast pump and dehumidifier apparatus, automatically adjust air-insulated ambient temperature and humidity, improve the insulation of ring main unit
Performance, and possess all insulation of multiple-pole switch element in the intellectuality and major loop for controlling networking, totally-enclosed function, in improve
The service life of low-voltage distribution cabinet electrical equipment, and power distribution cabinet electric reliability and safety durable.
Description of the drawings
Fig. 1-it is a kind of structural representation of gas-insulating and fully-enclosed ring main unit in embodiment 1；
Fig. 2-it is a kind of structural representation of gas-insulating and fully-enclosed ring main unit in embodiment 2.
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 gas-insulating and fully-enclosed ring main unit of the present embodiment, by inlet wire end 9, earthing 7, voltage
Transformer 17, vacuum circuit breaker 6, disconnecting switch 5, fuse 6, outlet cable head 18, main bus-bar 20, current transformer 19, fill
Gas tank 14, computer integrated protection devices 8 are constituted, and inlet wire end 9 is connected on 7 static contact of earthing, 7 moving contact of earthing with
The static contact of vacuum circuit breaker 6 is connected, and 6 moving contact of vacuum circuit breaker is connected on 5 static contact of disconnecting switch, disconnecting switch 5
Moving contact is connected with 6 line seat of fuse, and 6 leading-out terminal of fuse is connected with outlet cable head 18, and outlet cable head 18 connects
To on main bus-bar 20, the major loop of the totally-enclosed inflated type ring main unit of intelligent all insulation is constituted, and all major loop elements are all fixed
Inside the aeration tank 14 filled with air；Temperature Humidity Sensor is installed in aeration tank 14, is connected with hot blast pump 12 at the top of which
Logical, bottom is connected with dehumidifier apparatus 1；The Temperature Humidity Sensor is connected with the input of controller 15, the input of controller 15
End is also connected with the multifunction push key 16 for the Temperature and Humidity Control threshold value in setting controller 15, and the controller 15 is according to temperature
The Temperature and Humidity Data Control hot blast pump 12, keying of dehumidifier apparatus 1 of humidity sensor transmission；Voltage transformer 17 is connected in parallel on
In major loop, current transformer 19 is set on main bus-bar 20, the secondary line difference of 17 summation current transformer 19 of voltage transformer
It is connected with the data input pin of computer integrated protection devices 8, control output end and the vacuum circuit breaker 6 of computer integrated protection devices 8
Electronic control end is connected, and constitutes the Based Intelligent Control loop of the totally-enclosed inflated type ring main unit of all insulation.
Check valve 11, and the periphery of check valve 11 are installed in the hot blast pump 12 and the first connecting tube 13 of aeration tank 14
It is connected with black box 10.
The second connecting tube that the dehumidifier apparatus 1 are connected with aeration tank 14 is provided with and controller 15 near 14 one end of aeration tank
First electromagnetic valve 2 of connection, the second connecting tube are provided with black box 10 with the junction of aeration tank 14.
The controller 15 is PLC 15.
The Temperature and Humidity Control threshold value includes heating starting threshold value, heating outage threshold, dehumidifier starts threshold value and dehumidifier stops
Only threshold value.
The black box 10 is to be made from elastomeric material（Such as rubber）Sealing ring.
Embodiment 2
With reference to Fig. 1, a kind of gas-insulating and fully-enclosed ring main unit of the present embodiment, compared with Example 1, exist it is following not
Together：
The current supply circuit of the dehumidifier apparatus 1 is provided with the time relay 21, the time relay 21 and controller 15
Electrical connection.The run time of device when taking out is automatically controlled by the time relay 21,1 long time running of dehumidifier apparatus is effectively prevented
And the phenomenon for causing its service life short.
A kind of operation principle and using method of gas-insulating and fully-enclosed ring main unit of this utility model be：Set by function
Temperature and Humidity Control threshold value in aeration tank 14（Heating starting threshold value, heating outage threshold, dehumidifier start threshold value and dehumidifier stopping threshold
The setting of value）；The major loop element in aeration tank 14 is run under the suitable air insulation environment of humiture, prolong
Long its service life.
Temperature Humidity Sensor detects the humiture of 14 interior insulation air of aeration tank and sends controller 15 to, works as controller
15 compare detection data when reaching heating starting threshold value, and controller 15 starts hot blast pump 12 and the first electromagnetic valve 2, and hot blast pump 12 is produced
Raw hot blast is entered from the top of aeration tank 14, and Cryogenic air guiding the second connecting tubes of Jing in aeration tank 14 are entered dehumidifier apparatus
1, and then the air humidity in aeration tank 14 is reduced, improve the temperature of insulating air.When Temperature Humidity Sensor detects aeration tank
When temperature in 14 reaches the heating outage threshold of setting, controller 15 cuts out hot blast pump 12 and the first electromagnetic valve 2.Work as controller
15 compare detection data when reaching heating starting threshold value, and controller 15 starts hot blast pump 12, the first electromagnetic valve 2 and dehumidifier dress successively
1 is put, the hot blast that hot blast pump 12 is produced is moved from the top down, promote the higher gas of humidity in aeration tank 14 to rapidly enter dehumidifier dress
1 is put, and by the refrigerator of dehumidifier apparatus 1, the gas for making humidity higher is condensed into water outer row, in the air in aeration tank 14
Temperature raising wet down, reaches in the Temperature and Humidity Control threshold range set by multifunction push key 16 within a short period of time.
Due to being provided with check valve 11 and the first electromagnetic valve 2 in the first connecting tube 13 and the second connecting tube, and with aeration tank 14
Junction be provided with black box 10, improve the sealing property of aeration tank 14, realize the totally-enclosed of ring main unit.
Claims (7)
1. a kind of gas-insulating and fully-enclosed ring main unit, it is characterised in that by inlet wire end, earthing, voltage transformer, vacuum
Chopper, disconnecting switch, fuse, outlet cable head, main bus-bar, current transformer, aeration tank, computer integrated protection devices institute group
Into inlet wire end is connected on earthing static contact, and earthing moving contact is connected with the static contact of vacuum circuit breaker, vacuum
Moving contact of breaker is connected on static contact isolation switch, and disconnecting switch moving contact is connected with fuse line seat, and fuse goes out
Line end is connected with outlet cable head, and outlet cable head is connected on main bus-bar, constitutes the totally-enclosed inflated type of intelligent all insulation
The major loop of ring main unit, all major loop elements are fixedly arranged inside the aeration tank filled with air；It is provided with aeration tank
Temperature Humidity Sensor, is connected with hot blast pump at the top of which, and bottom is connected with dehumidifier apparatus；The Temperature Humidity Sensor and controller
Input connects, and the input of controller is also connected with the multifunction push key for the Temperature and Humidity Control threshold value in setting controller
Connect, the keying of Temperature and Humidity Data Control hot blast pump, dehumidifier apparatus that the controller is transmitted according to Temperature Humidity Sensor；Electricity
Pressure transformer be connected in parallel in major loop, current transformer is set on main bus-bar, voltage transformer summation current transformer it is secondary
Line is connected with the data input pin of computer integrated protection devices respectively, the control output end of computer integrated protection devices and vacuum circuit breaker
Electronic control end be connected, constitute the Based Intelligent Control loop of the totally-enclosed inflated type ring main unit of all insulation.
2. as claimed in claim 1 gas-insulating and fully-enclosed ring main unit, it is characterised in that the hot blast pump and the first of aeration tank
Check valve is installed in connecting tube, and the periphery of check valve is connected with black box.
3. as claimed in claim 1 or 2 gas-insulating and fully-enclosed ring main unit, it is characterised in that the dehumidifier apparatus and aeration tank
Second connecting tube of connection is provided with the first electromagnetic valve being connected with controller, the second connecting tube and aeration tank near aeration tank one end
Junction be provided with black box.
4. as claimed in claim 1 or 2 gas-insulating and fully-enclosed ring main unit, it is characterised in that the power supply of the dehumidifier apparatus is returned
Road is provided with the time relay, and the time relay is electrically connected with the controller.
5. as claimed in claim 1 or 2 gas-insulating and fully-enclosed ring main unit, it is characterised in that the controller is that PLC may be programmed
Controller.
6. as claimed in claim 1 or 2 gas-insulating and fully-enclosed ring main unit, it is characterised in that the Temperature and Humidity Control threshold value bag
Include heating starting threshold value, heating outage threshold, dehumidifier startup threshold value and dehumidifier outage threshold.
7. as claimed in claim 2 gas-insulating and fully-enclosed ring main unit, it is characterised in that the black box is from elastic material
The sealing ring that material makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092466.XU CN206116995U (en) | 2016-09-30 | 2016-09-30 | Totally closed looped netowrk cabinet of gas -insulated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092466.XU CN206116995U (en) | 2016-09-30 | 2016-09-30 | Totally closed looped netowrk cabinet of gas -insulated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206116995U true CN206116995U (en) | 2017-04-19 |
Family
ID=58521096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621092466.XU Active CN206116995U (en) | 2016-09-30 | 2016-09-30 | Totally closed looped netowrk cabinet of gas -insulated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206116995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212415A (en) * | 2019-05-05 | 2019-09-06 | 广州通钰泉电子科技有限公司 | A kind of condensation-proof electric system and method |
-
2016
- 2016-09-30 CN CN201621092466.XU patent/CN206116995U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212415A (en) * | 2019-05-05 | 2019-09-06 | 广州通钰泉电子科技有限公司 | A kind of condensation-proof electric system and method |
| CN110212415B (en) * | 2019-05-05 | 2023-12-08 | 广州通钰泉电子科技有限公司 | Anti-condensation electrical appliance system and method |
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