CN103697324A - Electrical intelligent SF6 gas charging device - Google Patents
Electrical intelligent SF6 gas charging device Download PDFInfo
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- CN103697324A CN103697324A CN201310698625.5A CN201310698625A CN103697324A CN 103697324 A CN103697324 A CN 103697324A CN 201310698625 A CN201310698625 A CN 201310698625A CN 103697324 A CN103697324 A CN 103697324A
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Abstract
The invention discloses an electrical intelligent SF6 gas charging device. The electrical intelligent SF6 gas charging device comprises an environment monitoring device, a rated pressure lock alarming device, an automatic gas charging pipeline purifying device, a bolt-clamping-type gas charging pipe, a gas pressure meter, a pressure release valve and a multifunctional connector. The electrical intelligent SF6 gas charging device can automatically distinguish whether the environment meets requirement and automatically purify the gas charging pipeline during gas charging, so that the SF6 gas purity and the micro-water content are qualified; the rated pressure lock alarming function also solves the SF6 gas 'over-charge' problem; moreover, the gas charge pipe is dismounted rapidly, and the gas charging efficiency and the gas charging quality are improved.
Description
Technical field
The present invention relates to a kind of electric equipment intelligent SF6 inflator, in use can at-once monitor inflation environment, self-purging gas ducting, gas tube disconnects fast, rated pressure locking is reported to the police electrical equipment SF6 inflator.
Background technique
Power industry standard regulation: the power equipment SF6 gas pressure of normal operation must meet rated pressure; While carrying out SF6 charge operation, must meet ambient temperature >=0 ℃, humidity≤80%; SF6 inflator SF6 gas purity >=99.8% after new inflation; There is electric arc analyte SF6 inflator micro-water content≤150 μ L/L (without electric arc analyte SF6 inflator micro-water content≤250 μ L/L).At present, electrical equipment SF6 inflator used in power production process has two kinds, has the manual inflator and the box SF6 gas concentration unit with aerification function of single pressure meter valve.Manually inflator and box SF6 gas concentration unit all need personal monitoring to inflate environment, manually purify gas ducting, easily cause SF6 gas purity and micro-water content defective, do not reach service condition; Manual control SF6 gas charged pressure, easily causes " overcharging " problem, needs manual tune SF6 inflator pressure, waste of manpower and SF6 gas after inflation.Meanwhile, there is no the unified regulation of country and industry standard, each producer's power equipment gas tube used differs, and model is more, and user of service easily obscures, and the replacing time is long.
Summary of the invention
In order to overcome, existing inflator easily causes SF6 gas purity and micro-water content is defective and " overcharging " problem, improve charging efficiency and charge-air mass, the invention provides a kind of electric equipment intelligent SF6 inflator, this inflator not only has at-once monitor inflation environment, self-purging gas ducting, rated pressure locking warning function, and has realized gas tube and disconnect fast.
The present invention solves the problems of the technologies described above the technological scheme adopting to be:
Electric equipment intelligent SF6 inflator comprises environment monitoring device, rated pressure locking warning device, gas ducting automatic purification device, bolt joint and clinging type gas tube, gas pressure gage, pressure relief valve, multi-functional connection mouth, environment monitoring device comprises acoustic-optic alarm, solenoid valve, controller, rated pressure locking warning device comprises pressure gauge with electric contact, described acoustic-optic alarm, described solenoid valve, gas ducting automatic purification device comprises vacuum pump, vacuum meter and reduction valve, rotary valve, wherein, gas pressure gage one end is connected with gas inlet, the other end is connected with reduction valve import, reduction valve outlet is divided into two-way, and a road is connected with rotary valve one end, and another road is connected with described solenoid valve one end, vacuum meter is arranged in the other end and the pipeline between vacuum pump of rotary valve, the described solenoid valve the other end respectively with controller, acoustic-optic alarm, pressure relief valve import connects, and pressure gauge with electric contact is arranged in the pipeline between solenoid valve and pressure relief valve, and earth pressure release valve outlet port connects multi-functional connection mouth.
Further, described controller is temperature and humidity controller, set environment condition is temperature >=0 ℃, humidity≤80%, described environment monitoring device also comprises temperature and humidity sensor, it detects the temperature and humidity of current environment, and checkout value is sent to described controller, and setting value compares with it.
Further, described vacuum pump is minipump, and it vacuumizes gas ducting, and degree of vacuum reaches 133Pa and when following, minipump stops automatically.
Further, described rated pressure locking warning device is controlled solenoid valve and acoustic-optic alarm by pressure gauge with electric contact, when being filled with gas pressure and reaching rated pressure, pressure gauge with electric contact action, shut electromagnetic valve, connect acoustic-optic alarm, stop being filled with gas, and point out SF6 inflator pressure to reach rated pressure;
Further, described bolt joint and clinging type gas tube one end has gas cylinder joint, the other end has gas-charging connection, and wherein gas-charging connection comprises the bolt head being connected with SF6 inflator, the inflation inner core being connected with gas tube, is provided with the jack of accepting inflation inner core in the end of gas tube.
Further, between bolt head and inflation inner core, seal ring is set, and/or at bolt head and SF6 inflator joint, seal ring is set, and/or at inflation inner core and jack joint, seal ring is set.
Further, in inflation, in-core is connected with filter screen.
The invention has the beneficial effects as follows, electric equipment intelligent SF6 inflator is when inflating, can whether reach requirement, self-purging gas ducting by automatic discrimination environment, guaranteed that SF6 gas purity and micro-water content are qualified, rated pressure locking warning function has also solved SF6 gas and " has overcharged " problem, and realized gas tube and disconnect fast, improved charging efficiency and charge-air mass.
Accompanying drawing explanation
Fig. 1 is electric equipment intelligent SF6 inflator schematic diagram.
Fig. 2 is environment monitoring device schematic diagram.
Fig. 3 is gas ducting automatic purification device schematic diagram.
Fig. 4 is rated pressure locking warning device schematic diagram.
Fig. 5 is bolt joint and clinging type gas tube schematic diagram.
In figure, each component names is as follows:
1-acoustic-optic alarm, 2-solenoid valve, 3-controller, 4-pressure gauge with electric contact, 5-vacuum pump, 6-vacuum meter, 7-temperature and humidity sensor, 8-reduction valve, 9-rotary valve, 10-buzzer, 11-pressure starting switch, 12-gas cylinder joint, 13-gas-charging connection, 14-bolt head, 15-inflates inner core, 20-gas pressure gage, 30-pressure relief valve, the multi-functional connection mouth of 40-
Embodiment
Below in conjunction with accompanying drawing, describe the present invention.
With reference to Fig. 1, electric equipment intelligent SF6 inflator of the present invention, mainly comprises environment monitoring device, rated pressure locking warning device, gas ducting automatic purification device, bolt joint and clinging type gas tube.Electric equipment intelligent SF6 inflator also comprises gas pressure gage 20, pressure relief valve 30, multi-functional connection mouth 40.Wherein environment monitoring device mainly comprises acoustic-optic alarm 1, solenoid valve 2, controller 3.Rated pressure locking warning device mainly comprises pressure gauge with electric contact 4, acoustic-optic alarm 1, solenoid valve 2.Gas ducting automatic purification device mainly comprises vacuum pump 5, vacuum meter 6 and control valve.Wherein, gas pressure gage 20 one end are connected with gas inlet, the other end is connected with reduction valve 8 imports, reduction valve 8 outlets are divided into two-way, one tunnel is connected with rotary valve 9 one end, another road is connected with solenoid valve 2 one end, vacuum meter 6 is arranged in the other end and the pipeline between vacuum pump 5 of rotary valve 9, solenoid valve 2 the other ends are connected with controller 3, acoustic-optic alarm 1, pressure relief valve 30 imports respectively, pressure gauge with electric contact 4 is arranged in the pipeline between solenoid valve 2 and pressure relief valve 30, and pressure relief valve 30 outlets connect multi-functional connection mouth 40.Acoustic-optic alarm 1 comprises 2 warning lights, one of them warning light access environment monitoring device, another warning light access rated pressure locking warning device.Multi-functional connection mouth is connected with the inflation of bolt joint and clinging type, to inflate.
In gas replenishment process, after using bolt joint and clinging type gas tube that SF6 inflator, gas cylinder are connected fast with environment monitoring device, rated pressure locking warning device, gas ducting automatic purification device, environment monitoring device immediately detects inflation environment and whether reaches requirement, then, gas ducting automatic purification device, vacuumizes processing to gas ducting.Be inflated to after rated pressure, the action of rated pressure locking warning device, shut electromagnetic valve, stops inflation.
With reference to Fig. 2, environment monitoring device mainly comprises acoustic-optic alarm 1, solenoid valve 2, controller 3, and its middle controller 3 is temperature and humidity controller, and it is ambient temperature >=0 ℃, humidity≤80% that temperature and humidity controller is set venting condition.Environment monitoring device also comprises temperature and humidity sensor 7, it detects the temperature and humidity of current environment, and the temperature and humidity detecting is sent to temperature and humidity controller, and setting value compares with it, in the time of in the scope of checkout value in setting value, a-b normal opened contact is closed, and solenoid valve 2 is opened, and can inflate.Otherwise a-b node disconnects, and can not inflate.
With reference to Fig. 3, gas ducting automatic purification device mainly comprises vacuum pump 5, vacuum meter 6 and control valve.Wherein control valve mainly comprises reduction valve 8, rotary valve 9.Confirm that current environment meets after venting condition, close reduction valve 8, open rotary valve 9, start vacuum pump 5, gas ducting is vacuumized, when vacuum meter 6 shows that degree of vacuum reach 133Pa and when following, vacuum pump 5 stops automatically, reaches and purifies gas ducting object.Now, close rotary valve 9, open reduction valve 8, start to inflate to SF6 inflator.
With reference to Fig. 4, rated pressure locking warning device mainly comprises pressure gauge with electric contact 4, acoustic-optic alarm 1, solenoid valve 2, also comprises buzzer 10, pressure starting switch 11.The pressure that pressure gauge with electric contact 4 shows in SF6 inflator, when SF6 inflator is inflated to after rated pressure, pressure starting switch 11 closures, connect Electromagnetic Valve Circuit, acoustic-optic alarm 1 on Electromagnetic Valve Circuit, buzzer 10 actions, prompting SF6 inflator pressure has reached rated pressure, now, closed electromagnetic valve, stops inflation.Otherwise, continue inflation.
With reference to Fig. 5, bolt joint and clinging type gas tube one end has gas cylinder joint 12, the other end has gas-charging connection 13, wherein gas-charging connection 13 comprises the bolt head 14 being connected with SF6 inflator, the inflation inner core 15 being connected with gas tube, in the end of gas tube, be provided with the jack of accepting inflation inner core 15, during inflation, the bolt head of gas-charging connection 13 14 is threaded with the import of SF6 inflator, will inflates inner core 15 and insert in jack.Wherein, bolt head 14 can be equipped with Multiple Type, during use, selects as required.In order to prevent gas leakage, between bolt head 14 and inflation inner core 15, seal ring is set, and/or in bolt head 14 and SF6 inflator joint, seal ring is set, and/or with jack joint, seal ring is set at inflation inner core 15.In addition, in order to guarantee the quality of gas, in inflation inner core 15, be connected with filter screen, with Purge gas.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technological scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. an electric equipment intelligent SF6 inflator, comprises environment monitoring device, rated pressure locking warning device, gas ducting automatic purification device, bolt joint and clinging type gas tube, gas pressure gage, pressure relief valve, multi-functional connection mouth, is characterized in that, environment monitoring device comprises acoustic-optic alarm, solenoid valve, controller, rated pressure locking warning device comprises pressure gauge with electric contact, described acoustic-optic alarm, described solenoid valve, gas ducting automatic purification device comprises vacuum pump, vacuum meter and reduction valve, rotary valve, wherein, gas pressure gage one end is connected with gas inlet, the other end is connected with reduction valve import, reduction valve outlet is divided into two-way, and a road is connected with rotary valve one end, and another road is connected with described solenoid valve one end, vacuum meter is arranged in the other end and the pipeline between vacuum pump of rotary valve, the described solenoid valve the other end respectively with controller, acoustic-optic alarm, pressure relief valve import connects, and pressure gauge with electric contact is arranged in the pipeline between solenoid valve and pressure relief valve, and earth pressure release valve outlet port connects multi-functional connection mouth.
2. electric equipment intelligent SF6 inflator according to claim 1, it is characterized in that, described environment monitoring device also comprises temperature and humidity sensor, and it detects the temperature and humidity of current environment, and checkout value is sent to described controller, and compare with the setting value of controller.
3. electric equipment intelligent SF6 inflator according to claim 1 and 2, is characterized in that, described controller is temperature and humidity controller.
4. electric equipment intelligent SF6 inflator according to claim 1, is characterized in that, described vacuum pump is minipump, and it vacuumizes gas ducting, and degree of vacuum reaches 133Pa and when following, minipump stops automatically.
5. electric equipment intelligent SF6 inflator according to claim 1, it is characterized in that, described bolt joint and clinging type gas tube one end has gas cylinder joint, the other end has gas-charging connection, wherein gas-charging connection comprises the bolt head being connected with SF6 inflator, the inflation inner core being connected with gas tube, is provided with the jack of accepting inflation inner core in the end of gas tube.
6. electric equipment intelligent SF6 inflator according to claim 5, it is characterized in that, between bolt head and inflation inner core, seal ring is set, and/or at bolt head and SF6 inflator joint, seal ring is set, and/or at inflation inner core and jack joint, seal ring is set.
7. according to the electric equipment intelligent SF6 inflator described in claim 5 or 6, it is characterized in that, in inflation, in-core is connected with filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310698625.5A CN103697324B (en) | 2013-12-17 | 2013-12-17 | Electric equipment intelligent SF6 aerating device |
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| CN201310698625.5A CN103697324B (en) | 2013-12-17 | 2013-12-17 | Electric equipment intelligent SF6 aerating device |
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| CN103697324A true CN103697324A (en) | 2014-04-02 |
| CN103697324B CN103697324B (en) | 2016-05-18 |
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| CN201310698625.5A Expired - Fee Related CN103697324B (en) | 2013-12-17 | 2013-12-17 | Electric equipment intelligent SF6 aerating device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791230A (en) * | 2014-01-28 | 2014-05-14 | 国家电网公司 | Electrified intelligent gas supplement device and gas supplement method of electricity sulfur hexafluoride transformer |
| CN104534274A (en) * | 2015-01-19 | 2015-04-22 | 国家电网公司 | SF6 automatic air inflation device and automatic air inflation method thereof |
| CN105715958A (en) * | 2014-12-05 | 2016-06-29 | 特变电工沈阳变压器集团有限公司 | Device for filling sulfur hexafluoride sleeve |
| CN108087719A (en) * | 2017-12-13 | 2018-05-29 | 陕西宝成航空仪表有限责任公司 | The air charging system of small-sized sealing product and the inflation method of the device |
| CN109578804A (en) * | 2019-02-19 | 2019-04-05 | 宇能电气有限公司 | Safe type electric air filling device |
| CN111323625A (en) * | 2020-03-24 | 2020-06-23 | 浙江深华颖智能科技有限公司 | Electric energy metering cabinet and working method thereof |
| CN111359367A (en) * | 2020-03-16 | 2020-07-03 | 中北大学 | SF (sulfur hexafluoride)6Gas micro-water treatment device |
| CN113124319A (en) * | 2021-04-22 | 2021-07-16 | 国网安徽省电力有限公司亳州供电公司 | Automatic inflation device and control method thereof |
| CN114087534A (en) * | 2021-11-26 | 2022-02-25 | 国网山东省电力公司临沂供电公司 | Wireless control inflator for combined electrical apparatus |
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| JPH0868497A (en) * | 1994-08-29 | 1996-03-12 | Tokyo Gas Co Ltd | Gas supply device |
| JPH08100894A (en) * | 1994-09-30 | 1996-04-16 | Tokyo Gas Co Ltd | Gas supply device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791230A (en) * | 2014-01-28 | 2014-05-14 | 国家电网公司 | Electrified intelligent gas supplement device and gas supplement method of electricity sulfur hexafluoride transformer |
| CN103791230B (en) * | 2014-01-28 | 2015-09-02 | 国家电网公司 | A kind of electric power charged intelligent making-up air device of SF6 transformer and supplementing method for air thereof |
| CN105715958A (en) * | 2014-12-05 | 2016-06-29 | 特变电工沈阳变压器集团有限公司 | Device for filling sulfur hexafluoride sleeve |
| CN104534274A (en) * | 2015-01-19 | 2015-04-22 | 国家电网公司 | SF6 automatic air inflation device and automatic air inflation method thereof |
| CN108087719A (en) * | 2017-12-13 | 2018-05-29 | 陕西宝成航空仪表有限责任公司 | The air charging system of small-sized sealing product and the inflation method of the device |
| CN109578804A (en) * | 2019-02-19 | 2019-04-05 | 宇能电气有限公司 | Safe type electric air filling device |
| CN111359367A (en) * | 2020-03-16 | 2020-07-03 | 中北大学 | SF (sulfur hexafluoride)6Gas micro-water treatment device |
| CN111323625A (en) * | 2020-03-24 | 2020-06-23 | 浙江深华颖智能科技有限公司 | Electric energy metering cabinet and working method thereof |
| CN113124319A (en) * | 2021-04-22 | 2021-07-16 | 国网安徽省电力有限公司亳州供电公司 | Automatic inflation device and control method thereof |
| CN114087534A (en) * | 2021-11-26 | 2022-02-25 | 国网山东省电力公司临沂供电公司 | Wireless control inflator for combined electrical apparatus |
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