CN105156887A - SF6 gas-filling apparatus of SF6 electrical apparatus - Google Patents
SF6 gas-filling apparatus of SF6 electrical apparatus Download PDFInfo
- Publication number
- CN105156887A CN105156887A CN201510590958.5A CN201510590958A CN105156887A CN 105156887 A CN105156887 A CN 105156887A CN 201510590958 A CN201510590958 A CN 201510590958A CN 105156887 A CN105156887 A CN 105156887A
- Authority
- CN
- China
- Prior art keywords
- gas
- solenoid valve
- pressure
- value
- controller
- Prior art date
Links
- 239000011247 coating layers Substances 0.000 claims abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound 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[Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000007789 gases Substances 0.000 abstract description 78
- 238000000034 methods Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N Sulfur hexafluoride Chemical compound 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 FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolytes Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003000 nontoxic Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000000737 periodic Effects 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Abstract
The invention provides an SF6 gas-filling apparatus of an SF6 electrical apparatus. The SF6 gas-filling apparatus comprises an SF6 gas tank, a first solenoid valve, a first pressure detector, a first controller, a second solenoid valve, a second pressure detector and a second controller, wherein the outer surface of the SF6 gas tank is coated with a coating layer which is doped with a temperature-sensitive colour changing matter and a lithium base component matter; the first controller is used for inflating the SF6 electrical apparatus by a loading line when the SF6 gas pressure value in the SF6 electrical apparatus is lower than a first preset pressure threshold value; the second controller is used for gas entrainment for the SF6 gas tank through a gas entrainment line by utilizing external high-pressure SF6 gas when the SF6 gas pressure value in the SF6 gas tank is lower than a second preset pressure threshold value; the second preset pressure threshold value is greater than the first preset pressure threshold value; and only one of the loading line and the gas entrainment line is communicated at any moment. The SF6 gas-filling apparatus of the SF6 electrical apparatus is capable of automatically inflating the SF6 electrical apparatus.
Description
Technical field
The present invention relates to SF
6gas charge and discharge technical field, particularly relates to a kind of SF
6the SF of electrical equipment
6charger.
Background technique
SF
6(sulphur hexafluoride) gas is a kind of nontoxic, colourless, tasteless, odorless, non-flammable synthetic gas, has the incomparable insulation characterisitic of general electrolyte and arc extinguishing ability, is therefore widely used in SF
6electrical equipment.
At SF
6in the process that electrical equipment uses, work as SF
6sF in electrical equipment
6the force value of gas drops to rating value, needs SF
6electrical equipment is inflated, otherwise can affect SF
6electrical equipment works.The way of prior art is at SF
6electrical equipment arranges pressure gauge, reads manometric force value by human at periodic intervals and judge whether force value drops to rating value.If determine force value to drop to rating value, then by inflating manually.
But most of electric power facility is all that implementation is unattended, so, SF
6when the force value of electrical equipment drops to rating value, cannot learn the very first time, cause and can not inflate in time.And if can not inflate in time, then can cause SF
6electrical equipment non-programmed halt, and then cause power grid accident, there is serious potential safety hazard.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of SF
6the SF of electrical equipment
6charger, can automatically to SF
6electrical equipment is inflated.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: provide a kind of SF
6the SF of electrical equipment
6charger, comprises SF
6gas tank, the first solenoid valve, the first pressure detector, the first controller, the second solenoid valve, the second pressure detector and second controller: described SF
6gas tank is for storing high pressure SF
6gas, described SF
6gas tank is communicated with described first solenoid valve and described second solenoid valve, described SF
6the outer surface of gas tank scribbles coating layer, doped with temperature sensitive color change material and lithium-based component material in described coating layer, as described SF
6there is SF in gas tank
6during Leakage Gas, the SF of leakage
6gas and lithium-based component material generation exothermic reaction, make described coating layer heat up, and cause the variable color of temperature sensitive color change material; Described first solenoid valve is by gas ducting and described SF
6the inflation inlet of electrical equipment connects, and described second solenoid valve connects for accessing external high pressure SF
6the aerating pipeline of gas; Described first pressure detector is for detecting described SF
6a SF in electrical equipment
6gas pressure value, and by a described SF
6gas pressure value sends to described first controller; Described first controller is for receiving a described SF
6gas pressure value, and at a described SF
6when gas pressure value is lower than the first preset pressure threshold value, controls described first solenoid valve and connect described gas ducting, at a described SF
6when gas pressure value is higher than the first preset pressure threshold value, control gas ducting described in described first solenoid valve shuts; Described second pressure detector is for detecting described SF
6the 2nd SF in gas tank
6gas pressure value, and by described 2nd SF
6gas pressure value sends to described second controller; Described second controller is for receiving described 2nd SF
6gas pressure value, and at described 2nd SF
6when gas pressure value is lower than the second preset pressure threshold value, controls described second solenoid valve and connect described aerating pipeline, at described 2nd SF
6when gas pressure value is higher than the second preset pressure threshold value, control aerating pipeline described in described second solenoid valve shuts; Wherein, described second preset pressure threshold value is greater than described first preset pressure threshold value, and connects when described gas ducting and described aerating pipeline are different at any time.
Be different from the situation of prior art, the invention has the beneficial effects as follows: by SF
6electrical equipment carries out SF
6gas pressure value detects, according to SF
6the size of gas pressure value carrys out Controlling solenoid valve to SF
6electrical equipment is inflated, meanwhile, to SF
6gas tank also carries out SF
6gas pressure value detects, according to SF
6the size of gas pressure value carrys out Controlling solenoid valve to SF
6gas tank carries out aerating, makes SF
6gas tank at any time can to SF
6electrical equipment is inflated, thus can automatically to SF
6electrical equipment is inflated, and ensures SF
6electrical equipment normally works.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention SF
6the SF of electrical equipment
6the structural representation of charger.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, be embodiment of the present invention SF
6the SF of electrical equipment
6the structural representation of charger.The SF of the present embodiment
6charger comprises SF
6gas tank 1, first solenoid valve 2, first pressure detector 3, first controller 4, second solenoid valve 5, second pressure detector 6 and second controller 7.
SF
6gas tank 1 is for storing high pressure SF
6gas, SF
6gas tank 1 is communicated with the first solenoid valve 2 and the second solenoid valve 5.SF
6the outer surface of gas tank 1 scribbles coating layer 11, doped with temperature sensitive color change material and lithium-based component material in coating layer 11, works as SF
6there is SF in gas tank 1
6during Leakage Gas, the SF of leakage
6gas and lithium-based component material generation exothermic reaction, make coating layer 11 heat up, and cause the variable color of temperature sensitive color change material.Due to SF
6the poor activity of gas own, is difficult to directly and other material generation metachromasias, therefore adulterate in coating layer 11 temperature sensitive color change material and lithium-based component material can judge whether generation SF indirectly
6leakage Gas.
First solenoid valve 2 is by gas ducting 21 and SF
6the inflation inlet of electrical equipment 10 connects.Second solenoid valve 5 connects for accessing external high pressure SF
6the aerating pipeline 51 of gas.
First pressure detector 3 is for detecting SF
6a SF in electrical equipment 10
6gas pressure value, and by a SF
6gas pressure value sends to the first controller 4.
First controller 4 is for receiving a SF
6gas pressure value, and at a SF
6when gas pressure value is lower than the first preset pressure threshold value, controls the first solenoid valve 2 and connect gas ducting 21, at a SF
6when gas pressure value is higher than the first preset pressure threshold value, controls the first solenoid valve 2 and cut off gas ducting 21.
Second pressure detector 6 is for detecting SF
6the 2nd SF in gas tank 1
6gas pressure value, and by the 2nd SF
6gas pressure value sends to second controller 7.
Second controller 7 is for receiving the 2nd SF
6gas pressure value, and at the 2nd SF
6when gas pressure value is lower than the second preset pressure threshold value, controls the second solenoid valve 5 and connect aerating pipeline 51, at the 2nd SF
6when gas pressure value is higher than the second preset pressure threshold value, controls the second solenoid valve 5 and cut off aerating pipeline 51.
Wherein, the second preset pressure threshold value is greater than the first preset pressure threshold value, and connects when gas ducting 21 and aerating pipeline 51 are different at any time.
By the way, the SF of the embodiment of the present invention
6the SF of electrical equipment
6charger passes through SF
6electrical equipment carries out SF
6gas pressure value detects, according to SF
6the size of gas pressure value carrys out Controlling solenoid valve to SF
6electrical equipment is inflated, meanwhile, to SF
6gas tank also carries out SF
6gas pressure value detects, according to SF
6the size of gas pressure value carrys out Controlling solenoid valve to SF
6gas tank carries out aerating, makes SF
6gas tank at any time can to SF
6electrical equipment is inflated, thus can automatically to SF
6electrical equipment is inflated, and ensures SF
6electrical equipment normally works, and owing to not needing artificial participation, thus reduces cost of equipment maintenance.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (1)
1. a SF
6the SF of electrical equipment
6charger, is characterized in that, comprises SF
6gas tank, the first solenoid valve, the first pressure detector, the first controller, the second solenoid valve, the second pressure detector and second controller:
Described SF
6gas tank is for storing high pressure SF
6gas, described SF
6gas tank is communicated with described first solenoid valve and described second solenoid valve, described SF
6the outer surface of gas tank scribbles coating layer, doped with temperature sensitive color change material and lithium-based component material in described coating layer, as described SF
6there is SF in gas tank
6during Leakage Gas, the SF of leakage
6gas and lithium-based component material generation exothermic reaction, make described coating layer heat up, and cause the variable color of temperature sensitive color change material;
Described first solenoid valve is by gas ducting and described SF
6the inflation inlet of electrical equipment connects, and described second solenoid valve connects for accessing external high pressure SF
6the aerating pipeline of gas;
Described first pressure detector is for detecting described SF
6a SF in electrical equipment
6gas pressure value, and by a described SF
6gas pressure value sends to described first controller;
Described first controller is for receiving a described SF
6gas pressure value, and at a described SF
6when gas pressure value is lower than the first preset pressure threshold value, controls described first solenoid valve and connect described gas ducting, at a described SF
6when gas pressure value is higher than the first preset pressure threshold value, control gas ducting described in described first solenoid valve shuts;
Described second pressure detector is for detecting described SF
6the 2nd SF in gas tank
6gas pressure value, and by described 2nd SF
6gas pressure value sends to described second controller;
Described second controller is for receiving described 2nd SF
6gas pressure value, and at described 2nd SF
6when gas pressure value is lower than the second preset pressure threshold value, controls described second solenoid valve and connect described aerating pipeline, at described 2nd SF
6when gas pressure value is higher than the second preset pressure threshold value, control aerating pipeline described in described second solenoid valve shuts;
Wherein, described second preset pressure threshold value is greater than described first preset pressure threshold value, and connects when described gas ducting and described aerating pipeline are different at any time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510590958.5A CN105156887A (en) | 2015-09-16 | 2015-09-16 | SF6 gas-filling apparatus of SF6 electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510590958.5A CN105156887A (en) | 2015-09-16 | 2015-09-16 | SF6 gas-filling apparatus of SF6 electrical apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN105156887A true CN105156887A (en) | 2015-12-16 |
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| CN201510590958.5A CN105156887A (en) | 2015-09-16 | 2015-09-16 | SF6 gas-filling apparatus of SF6 electrical apparatus |
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| CN104390132A (en) * | 2014-10-16 | 2015-03-04 | 国家电网公司 | Multifunctional SF6 steel cylinder aerating apparatus |
| 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 |
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| CN101871833A (en) * | 2009-04-23 | 2010-10-27 | Abb研究有限公司 | Sf6 gas leakage detection method and material |
| CN202048356U (en) * | 2010-12-13 | 2011-11-23 | 山东电力集团公司临沂供电公司 | Portable multipurpose sulfur hexafluoride electric equipment air charging device |
| CN102788242A (en) * | 2012-08-23 | 2012-11-21 | 昆山宝宏机械有限公司 | Air storage tank capable of automatically aerating |
| CN204005218U (en) * | 2014-08-27 | 2014-12-10 | 山东电力设备有限公司 | Transformer body store status on-line monitoring system |
| CN104390132A (en) * | 2014-10-16 | 2015-03-04 | 国家电网公司 | Multifunctional SF6 steel cylinder aerating apparatus |
| 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 |
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Application publication date: 20151216 |