CN204790358U - Online AUTOMATICALLY SUPPLY AIR device of sulfur hexafluoride high -Voltage electrical appliances - Google Patents
Online AUTOMATICALLY SUPPLY AIR device of sulfur hexafluoride high -Voltage electrical appliances Download PDFInfo
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- CN204790358U CN204790358U CN201520345043.3U CN201520345043U CN204790358U CN 204790358 U CN204790358 U CN 204790358U CN 201520345043 U CN201520345043 U CN 201520345043U CN 204790358 U CN204790358 U CN 204790358U
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Abstract
The utility model discloses an online AUTOMATICALLY SUPPLY AIR device of sulfur hexafluoride high -Voltage electrical appliances, including the built -in sulfur hexafluoride gas cylinder that has sulfur hexafluoride gas, the air inlet that gas transmission pipeline connects the relief pressure valve is passed through to the gas outlet of sulfur hexafluoride gas cylinder, and the income gas port of sulfur hexafluoride high -Voltage electrical appliances is connected to the gas outlet of relief pressure valve through the gas transmission pipeline who is provided with first solenoid valve and pressure sensor, still connect in parallel and have the pipeline that is provided with second solenoid valve and choke valve in the both ends of first solenoid valve, the control signal input connection director's of first solenoid valve and second solenoid valve control signal output, pressure sensor's signal output part connection director's signal input part. The utility model discloses can accomplish automatically sulfur hexafluoride high -tension apparatus aerify with tonifying qi work, need not maintainer manual operation, improved work efficiency, reduced the working strength of potential safety hazard and maintainer.
Description
Technical field
The utility model relates to SF 6 high-voltage electrical equipment inflation tonifying Qi field, particularly relates to the on-line automatic making-up air device of a kind of SF 6 high-voltage electrical equipment.
Background technology
Along with improving constantly of automation of transformation substations degree, unattended transformer station gets more and more, and SF 6 high-voltage electric equipment obtains with its good performance and applies widely in electric system.In SF 6 high-voltage electrical equipment manufacture process, or after SF 6 high-voltage electrical equipment (as sulfur hexafluoride breaker, high-voltage switch gear, totally enclosed type combined electric, bus etc.) general overhaul, need to be filled with pure sulfur hexafluoride gas in SF 6 high-voltage electric equipment.After putting into operation, along with the working time of SF 6 high-voltage electrical equipment increases, will there is normal pressure drop phenomenon in SF 6 high-voltage electrical equipment, now just need professional maintainer to carry out tonifying Qi under live state.
Present stage, the making-up air device of the SF 6 high-voltage equipment used in China's power industry nearly all adopts inflation or making-up air device manually, " the SF that must issue in strict accordance with power department
6isolating switch inflation task instruction " flow process operates, and complex operation, increases the working strength of maintainer, and inefficiency, potential safety hazard is large.
Utility model content
The purpose of this utility model is to provide the on-line automatic making-up air device of a kind of SF 6 high-voltage electrical equipment, automatically inflation and the tonifying Qi work of SF 6 high-voltage equipment can be completed, without the need to maintainer's manual operations, improve work efficiency, reduce the working strength of potential safety hazard and maintainer.
The utility model adopts following technical proposals:
The on-line automatic making-up air device of SF 6 high-voltage electrical equipment, comprise the sulfur hexafluoride gas cylinder being built-in with sulfur hexafluoride gas, the gas outlet of sulfur hexafluoride gas cylinder connects the air intake opening of reduction valve by gas pipe line, and the gas outlet of reduction valve to be connected the air intake of SF 6 high-voltage electrical equipment with the gas pipe line of pressure transducer by being provided with the first solenoid valve; The two ends of the first solenoid valve are also parallel with the pipeline being provided with the second solenoid valve and throttling valve; The control signal output terminal of the control signal input end connection control device of the first solenoid valve and the second solenoid valve, the signal input part of the signal output part connection control device of pressure transducer.
Gas pipe line between described reduction valve and the first solenoid valve is also provided with gasification installation, and the gas outlet of reduction valve connects the air intake of gasification installation by gas pipe line, the gas outlet of gasification installation connects the air intake of the first solenoid valve by gas pipe line.
Described sulfur hexafluoride gas cylinder is arranged in heating arrangement.
Described heating arrangement adopts heated base.
Be provided with the first solenoid valve to be connected by the air intake of self-sealing joint with SF 6 high-voltage electrical equipment with the gas pipe line of pressure transducer.
Gas pipe line between described gasification installation and the first solenoid valve is also provided with flowmeter, and the air intake of gas pipe line connection traffic meter is passed through in the gas outlet of gasification installation, and the gas outlet of flowmeter connects the air intake of the first solenoid valve by gas pipe line; The signal input part of the signal output part connection control device of flowmeter.
The signal output part of described controller is also connected with wireless sending module, and controller is communicated with remote display system by wireless sending module.
The utility model utilize be provided with the first solenoid valve gas pipe line as large discharge fast aeration pipeline for SF 6 high-voltage electrical equipment is inflated, when SF 6 high-voltage electrical equipment air intake pressure close to utilize during termination pressure the gas pipe line that is provided with the second solenoid valve and throttling valve as low discharge at a slow speed gas ducting inflate for SF 6 high-voltage electrical equipment, to complete SF 6 high-voltage electrical equipment automatic inflating tonifying Qi accurately work, the utility model is without the need to maintainer's manual operations, improve work efficiency, reduce the working strength of potential safety hazard and maintainer.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is done with detailed description:
As shown in Figure 1, the on-line automatic making-up air device of SF 6 high-voltage electrical equipment of the present invention, comprise the sulfur hexafluoride gas cylinder 1 being built-in with sulfur hexafluoride gas, the gas outlet of sulfur hexafluoride gas cylinder 1 connects the air intake opening of reduction valve 2 by gas pipe line, and the gas outlet of reduction valve 2 to be connected the air intake of SF 6 high-voltage electrical equipment 5 with the gas pipe line of pressure transducer 4 by being provided with the first solenoid valve 3.The two ends of the first solenoid valve 3 are also parallel with the pipeline being provided with the second solenoid valve 6 and throttling valve 7; The control signal output terminal of the control signal input end connection control device of the first solenoid valve 3 and the second solenoid valve 6, the signal input part of the signal output part connection control device of pressure transducer 4.
In order to ensure that the sulfur hexafluoride gas being filled with SF 6 high-voltage electrical equipment 5 can gasify fully, the sulfur hexafluoride gas of output is made to become gaseous state completely, and ensure that sulfur hexafluoride gas temperature is close to environment temperature, occur to heat up after being filled with high voltage electric equipment to avoid sulfur hexafluoride gas and expand, thus cause pressure limit, the gas pipe line of the utility model also between reduction valve 2 and the first solenoid valve 3 has additional gasification installation 8, the gas outlet of reduction valve 2 connects the air intake of gasification installation 8 by gas pipe line, the gas outlet of gasification installation 8 connects the air intake of the first solenoid valve 3 by gas pipe line.
Sulfur hexafluoride gas cylinder 1 be arranged in heating arrangement, heating arrangement can adopt heated base 9, heated base 9 can heat the sulfur hexafluoride gas in sulfur hexafluoride gas cylinder 1, effectively prevent sulfur hexafluoride gas from solidifying, at utmost make sulfur hexafluoride gas cylinder 1 externally export more sulfur hexafluoride gas, thus improve gas effciency.
In order to can secure connection SF 6 high-voltage electrical equipment 5, as SF 6 high-voltage electrical equipment such as sulfur hexafluoride breaker, high-voltage switch gear, totally enclosed type combined electric, buses, in the utility model, be provided with the first solenoid valve 3 to be connected by the air intake of self-sealing joint 10 with SF 6 high-voltage electrical equipment 5 with the gas pipe line of pressure transducer 4, self-sealing joint 10 effectively can avoid Leakage Gas, thus ensures security performance of the present utility model.
In order to carry out observation statistics to the sulfur hexafluoride gas flow be filled with, the gas pipe line of the utility model also between gasification installation 8 and the first solenoid valve 3 is provided with flowmeter 11, the air intake of gas pipe line connection traffic meter 11 is passed through in the gas outlet of gasification installation 8, and the gas outlet of flowmeter 11 connects the air intake of the first solenoid valve 3 by gas pipe line; The signal input part of the signal output part connection control device of flowmeter 11.
Before use, first maintainer sets the output pressure of reduction valve 2 to the utility model, and the output pressure of reduction valve 2 can be made in the present embodiment higher than termination pressure 0.3Mpa.The utility model is when starting working, sulfur hexafluoride gas in sulfur hexafluoride gas cylinder 1 exports gasification installation 8 to after reduction valve 2 step-down, gasification installation 8 gasifies fully to the sulfur hexafluoride gas passed through, and make output gas become gaseous state completely, temperature is close to environment temperature; Sulfur hexafluoride gas after gasification is filled in SF 6 high-voltage electrical equipment 5 to be filled through flowmeter 11, first solenoid valve 3 and self-sealing joint 10, realizes the gas replenishment process of large discharge.In this process, the gaseous tension in SF 6 high-voltage electrical equipment 5 can be more and more higher, and flow sensor and pressure transducer 4 respectively Real-time Collection be filled with the pressure in the flow of the sulfur hexafluoride in SF 6 high-voltage electrical equipment 5 and self-sealing joint 10 place gas pipe line.
(close standard can according to actual operation requirements from establish close to during termination pressure for the pressure judged by pressure transducer 4 in self-sealing joint 10 place gas pipe line when controller, as lower than termination pressure 0.3Mpa), controller controls the first solenoid valve 3 and cuts out, and controls the second solenoid valve 6 conducting simultaneously.Now, the sulfur hexafluoride gas after gasification is filled with in SF 6 high-voltage electrical equipment 5 through throttling valve 7, second solenoid valve 6 and self-sealing joint 10.Due to throttling valve 7 metering function, the sulfur hexafluoride gas after gasification is filled with at a slow speed in SF 6 high-voltage electrical equipment 5 with low discharge state.When the pressure that controller to be judged by pressure transducer 4 in self-sealing joint 10 place gas pipe line arrives termination pressure, controller controls the second solenoid valve 6 and cuts out, and completes whole SF 6 high-voltage electrical equipment 5 and inflates tonifying Qi work.
Inflate the tonifying Qi course of work for the ease of maintainer to whole SF 6 high-voltage electrical equipment 5 to monitor, the signal output part of the utility model middle controller is also connected with wireless sending module, and controller is communicated with remote display system by wireless sending module.The control signal that controller sends, through remote display system process, can show charge pressure, the parameters such as flow of aerating air, and point out whole SF 6 high-voltage electrical equipment 5 to inflate completing of tonifying Qi work.Remote display system and signal processing mode belong to prior art, and do not belong within protection domain of the present utility model.
Claims (7)
1. the on-line automatic making-up air device of SF 6 high-voltage electrical equipment, it is characterized in that: comprise the sulfur hexafluoride gas cylinder being built-in with sulfur hexafluoride gas, the gas outlet of sulfur hexafluoride gas cylinder connects the air intake opening of reduction valve by gas pipe line, and the gas outlet of reduction valve to be connected the air intake of SF 6 high-voltage electrical equipment with the gas pipe line of pressure transducer by being provided with the first solenoid valve; The two ends of the first solenoid valve are also parallel with the pipeline being provided with the second solenoid valve and throttling valve; The control signal output terminal of the control signal input end connection control device of the first solenoid valve and the second solenoid valve, the signal input part of the signal output part connection control device of pressure transducer.
2. the on-line automatic making-up air device of SF 6 high-voltage electrical equipment according to claim 1, it is characterized in that: the gas pipe line between described reduction valve and the first solenoid valve is also provided with gasification installation, the gas outlet of reduction valve connects the air intake of gasification installation by gas pipe line, the gas outlet of gasification installation connects the air intake of the first solenoid valve by gas pipe line.
3. the on-line automatic making-up air device of SF 6 high-voltage electrical equipment according to claim 1 and 2, is characterized in that: described sulfur hexafluoride gas cylinder is arranged in heating arrangement.
4. the on-line automatic making-up air device of SF 6 high-voltage electrical equipment according to claim 3, is characterized in that: described heating arrangement adopts heated base.
5. the on-line automatic making-up air device of SF 6 high-voltage electrical equipment according to claim 4, is characterized in that: be provided with the first solenoid valve and be connected by the air intake of self-sealing joint with SF 6 high-voltage electrical equipment with the gas pipe line of pressure transducer.
6. the on-line automatic making-up air device of SF 6 high-voltage electrical equipment according to claim 2, it is characterized in that: the gas pipe line between described gasification installation and the first solenoid valve is also provided with flowmeter, the air intake of gas pipe line connection traffic meter is passed through in the gas outlet of gasification installation, and the gas outlet of flowmeter connects the air intake of the first solenoid valve by gas pipe line; The signal input part of the signal output part connection control device of flowmeter.
7. the on-line automatic making-up air device of SF 6 high-voltage electrical equipment according to claim 6, is characterized in that: the signal output part of described controller is also connected with wireless sending module, and controller is communicated with remote display system by wireless sending module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345043.3U CN204790358U (en) | 2015-05-26 | 2015-05-26 | Online AUTOMATICALLY SUPPLY AIR device of sulfur hexafluoride high -Voltage electrical appliances |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345043.3U CN204790358U (en) | 2015-05-26 | 2015-05-26 | Online AUTOMATICALLY SUPPLY AIR device of sulfur hexafluoride high -Voltage electrical appliances |
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| CN204790358U true CN204790358U (en) | 2015-11-18 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627086A (en) * | 2015-12-30 | 2016-06-01 | 国家电网公司 | Automatic on-line gas supplement unit for SF6 electrical equipment |
| CN105846337A (en) * | 2016-05-18 | 2016-08-10 | 国家电网公司 | Novel inflatable switch cabinet |
| CN107870132A (en) * | 2017-12-14 | 2018-04-03 | 上海市特种设备监督检验技术研究院 | A kind of high-pressure hydrogen storage cylinder extreme ambient temperature testing machine of resistance to long-time load |
| CN108194827A (en) * | 2018-02-12 | 2018-06-22 | 国家电网公司 | A kind of insulating gas processing unit and its control method |
| CN108325180A (en) * | 2018-04-04 | 2018-07-27 | 义乌工商职业技术学院 | A kind of multifunctional safe sports equipment automatic inflatable device of air |
| CN108443700A (en) * | 2018-02-02 | 2018-08-24 | 国网青海省电力公司西宁供电公司 | A kind of sulfur hexafluoride combined electric appliance gas charged for replacement control device |
| CN108870066A (en) * | 2018-06-21 | 2018-11-23 | 南方电网科学研究院有限责任公司 | Insulating gas inflation method for power equipment |
| CN109292456A (en) * | 2018-11-20 | 2019-02-01 | 奥星制药设备（石家庄）有限公司 | A kind of deceleration material blanking tube |
| CN110486619A (en) * | 2019-08-30 | 2019-11-22 | 国网新疆电力有限公司吐鲁番供电公司 | Sulfur hexafluoride air compensating system and its method |
| CN113375049A (en) * | 2021-05-31 | 2021-09-10 | 国网安徽省电力有限公司亳州供电公司 | SF6 gas charging device |
-
2015
- 2015-05-26 CN CN201520345043.3U patent/CN204790358U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627086A (en) * | 2015-12-30 | 2016-06-01 | 国家电网公司 | Automatic on-line gas supplement unit for SF6 electrical equipment |
| CN105627086B (en) * | 2015-12-30 | 2018-02-06 | 国家电网公司 | SF6 electrical equipment automatic on-line making-up air devices |
| CN105846337A (en) * | 2016-05-18 | 2016-08-10 | 国家电网公司 | Novel inflatable switch cabinet |
| CN107870132A (en) * | 2017-12-14 | 2018-04-03 | 上海市特种设备监督检验技术研究院 | A kind of high-pressure hydrogen storage cylinder extreme ambient temperature testing machine of resistance to long-time load |
| CN108443700A (en) * | 2018-02-02 | 2018-08-24 | 国网青海省电力公司西宁供电公司 | A kind of sulfur hexafluoride combined electric appliance gas charged for replacement control device |
| CN108194827A (en) * | 2018-02-12 | 2018-06-22 | 国家电网公司 | A kind of insulating gas processing unit and its control method |
| CN108194827B (en) * | 2018-02-12 | 2023-09-15 | 国家电网公司 | Insulating gas treatment device and control method thereof |
| CN108325180A (en) * | 2018-04-04 | 2018-07-27 | 义乌工商职业技术学院 | A kind of multifunctional safe sports equipment automatic inflatable device of air |
| CN108870066A (en) * | 2018-06-21 | 2018-11-23 | 南方电网科学研究院有限责任公司 | Insulating gas inflation method for power equipment |
| CN109292456A (en) * | 2018-11-20 | 2019-02-01 | 奥星制药设备（石家庄）有限公司 | A kind of deceleration material blanking tube |
| CN110486619A (en) * | 2019-08-30 | 2019-11-22 | 国网新疆电力有限公司吐鲁番供电公司 | Sulfur hexafluoride air compensating system and its method |
| CN113375049A (en) * | 2021-05-31 | 2021-09-10 | 国网安徽省电力有限公司亳州供电公司 | SF6 gas charging device |
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