CN107965664B - A kind of pair of transformer carries out the device and method of automatic inflating device deflation - Google Patents
A kind of pair of transformer carries out the device and method of automatic inflating device deflation Download PDFInfo
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- CN107965664B CN107965664B CN201711176259.1A CN201711176259A CN107965664B CN 107965664 B CN107965664 B CN 107965664B CN 201711176259 A CN201711176259 A CN 201711176259A CN 107965664 B CN107965664 B CN 107965664B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000001502 supplementing effect Effects 0.000 claims abstract description 30
- 239000013589 supplement Substances 0.000 claims description 37
- 239000012528 membrane Substances 0.000 claims description 31
- 238000007599 discharging Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 3
- 230000000740 bleeding effect Effects 0.000 claims 4
- 230000007613 environmental effect Effects 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2046—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under superatmospheric pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0326—Valves electrically actuated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
- F17C2250/0434—Pressure difference
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses the device and methods that a kind of pair of transformer carries out automatic inflating device deflation, which includes pressure control device, solenoid valve, power supply and compressed air bottle；Wherein, it is provided with electronic gas supplementing opening, mechanical gas supplementing opening, gas vent and gas outlet on pressure control device, is provided with the first gas outlet and the second gas outlet on compressed air bottle；The first gas outlet on compressed air bottle is connected with the mechanical gas supplementing opening of pressure control device, second gas outlet is connected by solenoid valve with the electronic gas supplementing opening of pressure control device, the gas outlet of pressure control device is connected with transformer body, and power supply is used to power for solenoid valve.This method is based on above-mentioned apparatus, realize the automatic inflating device deflation function of transformer, realize the electrification tonifying Qi work of safe, reliable, efficient, accurate, saving, environmental protection, in terms of no matter carrying out the security reliability of tonifying Qi under charging operation situation from transformer, or from save and environmental protection in terms of have huge advantage.
Description
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to a device and a method for automatically supplementing and deflating air for a transformer.
Background
With the increasing voltage level of the transformer, the capacity is increased continuously, the weight of the transformer body is increased correspondingly, and in order to reduce the transportation weight, the large transformer is usually transported by dry air or high-purity nitrogen. In order to prevent moisture from entering the transformer due to leakage of nitrogen or dry air during transportation, the transformer body is affected with moisture, and the insulation strength of the transformer is reduced, a certain positive pressure (usually 20-30 kPa) must be maintained in the oil tank. In addition, the gas pressure can also change along with the change of ambient temperature, if the gas pressure in the oil tank is too high, the oil tank can be deformed, so that the oil tank is cracked, the gas is rapidly leaked, and the insulation is affected with damp. Therefore, during the entire transportation process, it is necessary to provide gas replenishing means for replenishing the gas in time when the air pressure in the fuel tank is lowered, and at the same time, it is necessary to provide gas discharging means for discharging the gas in time when the air pressure in the fuel tank is raised.
In the traditional transformer storage and transportation process, because the air supply and release of the transformer are manually controlled, the phenomenon of untimely air supply and release often occurs, and the quality assurance of the transformer product is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a device and a method for automatically supplementing and deflating air for a transformer.
The invention is realized by adopting the following technical scheme:
a device for automatically supplying and discharging air to a transformer comprises a pressure control device, an electromagnetic valve, a power supply and a compressed air bottle; wherein,
the pressure control device is provided with an electric air supplement port, a mechanical air supplement port, an air release port and an air outlet, and the compressed air bottle is provided with a first air outlet and a second air outlet; the first air outlet on the compressed air bottle is communicated with the mechanical air supplement port of the pressure control device, the second air outlet is communicated with the electric air supplement port of the pressure control device through the electromagnetic valve, the air outlet of the pressure control device is communicated with the transformer body, and the power supply is used for supplying power to the electromagnetic valve.
The invention is further improved in that the solenoid valve is provided with a manual operation function, so that the solenoid valve can be opened and closed under the condition of no signal input.
The invention has the further improvement that the pressure control device is also provided with an external pressure balance port, a vacuumizing port opening knob, an inflation pressure difference adjusting knob and an exhaust pressure difference adjusting knob, and the pressure control device is internally provided with an air supplementing cavity, an air supplementing internal cavity, an air discharging internal cavity and an air discharging cavity; wherein,
the electric air supplement port and the mechanical air supplement port are both communicated with the air supplement cavity, the vacuumizing port opening knob is arranged at the electric air supplement port and used for controlling the opening and closing of the electric air supplement port, the air release port is communicated with the air release inner cavity, and the external pressure balance port is communicated with the air release cavity;
the air supply cavity is communicated with the air supply internal cavity, the air discharge cavity is communicated with the air discharge internal cavity, and the air supply cavity, the air supply internal cavity and the air discharge cavity are communicated with the air outlet;
the air supply cavity is internally provided with an air supply elastic membrane for dividing the air supply cavity into two independent cavities, the inflation pressure difference adjusting knob is used for applying pressure to the air supply elastic membrane, the air discharge cavity is internally provided with an air discharge elastic membrane for dividing the air discharge cavity into two independent cavities, and the air discharge pressure difference adjusting knob is used for applying pressure to the air discharge elastic membrane.
A method for automatically supplementing and deflating air for a transformer is based on the device for automatically supplementing and deflating air for the transformer, and comprises the following steps:
when the internal pressure of the transformer body is reduced to the action threshold value of the electromagnetic valve, the electromagnetic valve acts, and the automatic air supply function of the transformer body is realized through the electric air supply port of the pressure control device.
The invention is further improved in that the electromagnetic valve is provided with a manual operation function, and the electromagnetic valve is opened or closed through the manual operation function under the condition that no signal is input to the electromagnetic valve.
A method for automatically supplementing and deflating air for a transformer is based on the device for automatically supplementing and deflating air for the transformer, and comprises the following steps:
when air is supplied, one end of the mechanical air supply port is connected with the transformer body through the air supply cavity, the other end of the mechanical air supply port is connected with the compressed air bottle, and the air supply pressure difference adjusting knob is provided with an air supply port spring elasticity F0And a downward pressure F is generated on the air-supply elastic membrane1Meanwhile, the transformer body is communicated with the air supply inner cavity, and an upward pressure F is generated on the air supply elastic membrane2(ii) a The compressed air bottle generates an upward pressure F to the air-supplementing elastic membrane through the mechanical air-supplementing opening3When F is1+F0<F2+F3When the internal pressure and the external pressure are not balanced, the air is supplemented; when F is present1+F0＝F2+F3When the pressure inside and outside is balanced, the air supply is stopped;
when in deflation, one end of the deflation port is communicated with the atmosphere, and the other end of the deflation port is in close contact with the deflation elastic membrane through the deflation internal cavityThe air discharge cavity is communicated with an external pressure balancing port, and the external pressure generates an upward pressure F on the air discharge elastic membrane4Setting the elastic force F of the exhaust spring by adjusting the exhaust pressure difference adjusting knob5At the same time, the atmosphere generates a downward pressure F on the air-releasing elastic membrane through the air-releasing opening6The transformer body is communicated with the air-release inner cavity and generates a downward pressure F to the air-release elastic membrane7When F is4+F5<F6+F7When the pressure inside and outside is not balanced, the air begins to be discharged; when F is present4+F5＝F6+F7When the pressure inside and outside is balanced, the air release is stopped.
The invention has the following beneficial effects:
the device for automatically supplementing and discharging air to and from the transformer comprises a pressure control device, an electromagnetic valve, a power supply and a compressed air bottle, wherein the pressure control device can be automatically controlled through the electromagnetic valve, the pressure control device is simple in structure, the function of automatically supplementing and discharging air is realized only through the combination of an internal cavity, an electric air supplementing port, a mechanical air supplementing port, an air discharging port and an air outlet, the operation is simple, the control is easy, and the timely supplementing and discharging of air to and from the transformer body can be realized.
The method for automatically supplementing and deflating the transformer provided by the invention avoids the defects of the traditional air supplementing device, simultaneously realizes the automatic air supplementing and deflating function of the transformer, realizes safe, reliable, efficient, accurate, economical and environment-friendly electrified air supplementing work, and has great advantages in the aspects of safety and reliability of air supplementing of the transformer under the electrified operation condition, and saving and environment protection.
Drawings
Fig. 1 is a schematic frame diagram of the device for automatically supplying and discharging air to and from a transformer according to the present invention.
In the figure: 1-transformer body, 2-pressure control device, 3-electromagnetic valve, 4-power supply and 5-compressed air bottle.
Fig. 2 is a structural view of the pressure control apparatus of the present invention.
In the figure: 201-electric air supplement port, 202-mechanical air supplement port, 203-air release port, 204-external pressure balance port, 205-vacuumizing port opening knob, 206-inflation differential pressure adjusting knob, 207-air supplement chamber, 208-air supplement elastic membrane, 209-air supplement internal chamber, 210-air release internal chamber, 211-air release elastic membrane, 212-air release chamber and 213-air release differential pressure adjusting knob.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the device for automatically supplying and discharging air to and from a transformer provided by the present invention includes a pressure control device 2, an electromagnetic valve 3 and an air supply connection pipe, wherein an air supply port (including an electric air supply port 201, a mechanical air supply port 203 and an air discharge port 203) is arranged on the pressure control device 2, and the air discharge port 203 of the pressure control device 2 is directly communicated with the atmosphere. Meanwhile, the pressure control device 2 is connected with the transformer body 1, the electromagnetic valve 3 is connected with the electric air supplement port 201 of the pressure control device 2, the automatic air supplement function of the transformer body 1 is achieved, a manual operation function is provided on the electromagnetic valve 3, the electromagnetic valve 3 can be opened and closed under the condition of no signal input through the manual operation function, the purpose is to achieve manual control when the electromagnetic valve 3 breaks down, the air supplement connecting pipe is used for achieving connection of the pressure control device 2 and the electromagnetic valve 3, the mechanical air supplement port 202 is directly connected with the compressed air bottle 5, and the power supply 4 is used for supplying power to the electromagnetic valve 3.
In the above technical solution, the pressure control device 2 sets the initial pressure of the operation of the air release opening 203 of the pressure control device 2 by setting the initial spring force of the spring, the pressure control device 2 sets the initial pressure of the operation of the mechanical air supplement opening 202 of the pressure control device 2 by setting the initial spring force of the spring, and the electric air supplement opening 201 of the pressure control device 2 is connected with the electromagnetic valve 3 through the air supplement connecting pipe.
In the above technical solution, one end of the electromagnetic valve 3 is connected to the electrical air supplement port 201 of the pressure control device 2 through an air supplement connecting pipe, and the other end is connected to the compressed air bottle 5 through a hose. When the internal pressure of the transformer body 1 is reduced to the action value of the electromagnetic valve 3, the electromagnetic valve 3 acts, and the automatic air supply function of the transformer body 1 is realized through the electric air supply port 201 of the pressure control device 2.
The opening and closing of the electric air supplement port 201 are controlled by setting the opening pressure and the closing pressure of the electromagnetic valve 3, namely when the pressure of the transformer body 1 is lower than the opening pressure of the electromagnetic valve 3, the electric air supplement port 201 is opened for air supplement, and when the pressure of the transformer body 1 is higher than the closing pressure of the electromagnetic valve 3, the electric air supplement port 201 is closed to stop air supplement. The vacuum port opening knob 205 is in a normally open state.
The invention provides a method for automatically supplementing and deflating air for a transformer, which comprises the following steps:
when air is supplied, one end 202 of the mechanical air supply port is connected with the transformer body 1 through an air supply cavity 207, the other end of the mechanical air supply port 202 is connected with the compressed air bottle 5 through a hose, and the air charging pressure difference adjusting knob 206 is provided with an air supply port spring elasticity F0The transformer is communicated with the air supply cavity 207 through a hose and generates downward pressure F on the air supply elastic membrane 2081. Meanwhile, the transformer body 1 is communicated with the air-supplementing inner cavity 209 and generates upward pressure F on the air-supplementing elastic membrane 2082. The compressed air bottle 5 generates an upward pressure F on the air-replenishing elastic membrane 208 through the mechanical air-replenishing port 2023. When F is present1+F0<F2+F3When the internal pressure and the external pressure are not balanced, the air is supplemented; when F is present1+F0＝F2+F3When the pressure is balanced, the air supply is stopped.
When in deflation, one end of the deflation port 203 is communicated with the atmosphere, the other end is in close contact with the deflation elastic membrane 211 through the deflation inner cavity 210, and the deflation cavity 212 is connected with the external pressure balance port 204By the external pressure, an upward pressure F is generated on the deflating elastic membrane 2114The elastic force F of the exhaust spring is set by adjusting the exhaust pressure difference adjusting knob 2135. At the same time, the atmosphere generates a downward pressure F on the deflating elastic membrane 211 through the deflating opening 2036The transformer body 1 is connected to the inner cavity 210 via a hose and applies a downward pressure F to the elastic membrane 2117When F is4+F5<F6+F7When the pressure inside and outside is not balanced, the air begins to be discharged; when F is present4+F5＝F6+F7When the pressure inside and outside is balanced, the air release is stopped.
The invention can be widely used on various transformer body devices and has universality.
Claims (5)
1. A device for automatically supplying and deflating air to a transformer is characterized by comprising a pressure control device (2), an electromagnetic valve (3), a power supply (4) and a compressed air bottle (5); wherein,
the pressure control device (2) is provided with an electric air supplement port (201), a mechanical air supplement port (202), an air release port (203) and an air outlet, and the compressed air bottle (5) is provided with a first air outlet and a second air outlet; a first air outlet on the compressed air bottle (5) is communicated with a mechanical air supplement port (202) of the pressure control device (2), a second air outlet is communicated with an electric air supplement port (201) of the pressure control device (2) through the electromagnetic valve (3), the air outlet of the pressure control device (2) is communicated with the transformer body (1), and the power supply (4) is used for supplying power to the electromagnetic valve (3);
the pressure control device (2) is also provided with an external pressure balance port (204), a vacuumizing port opening knob (205), an inflation pressure difference adjusting knob (206) and an exhaust pressure difference adjusting knob (213), and the pressure control device (2) is internally provided with an air supplementing cavity (207), an air supplementing internal cavity (209), an air discharging internal cavity (210) and an air discharging cavity (212); wherein,
the electric air supplement port (201) and the mechanical air supplement port (202) are communicated with an air supplement cavity (207), the vacuumizing port opening knob (205) is arranged at the electric air supplement port (201) and used for controlling the opening and closing of the electric air supplement port (201), the air release port (203) is communicated with an air release inner cavity (210), and the external pressure balance port (204) is communicated with an air release cavity (212);
the air supplementing cavity (207) is communicated with the air supplementing inner cavity (209), the air discharging cavity (212) is communicated with the air discharging inner cavity (210), and the air supplementing cavity (207), the air supplementing inner cavity (209) and the air discharging cavity (212) are communicated with the air outlet;
be provided with tonifying qi elasticity membrane (208) in tonifying qi chamber (207) for divide into two independent cavities with tonifying qi chamber (207), inflation pressure difference adjust knob (206) is used for exerting pressure to this tonifying qi elasticity membrane (208), is provided with gassing elasticity membrane (211) in gassing chamber (212) for divide into two independent cavities with gassing chamber (212), and gassing pressure difference adjust knob (213) are used for exerting pressure to this gassing elasticity membrane (211).
2. Device for automatic air make-up and bleed of transformers according to claim 1, characterized in that the solenoid valve (3) is provided with a manual operation function, so that the solenoid valve (3) can be opened and closed without signal input.
3. A method for automatic supplementary air bleeding of a transformer, which is based on the device for automatic supplementary air bleeding of a transformer of claim 1, comprising:
when the internal pressure of the transformer body (1) is reduced to the action threshold value of the electromagnetic valve (3), the electromagnetic valve (3) acts, and the automatic air supply function of the transformer body (1) is realized through the electric air supply port (201) of the pressure control device (2).
4. A method for automatic air compensation and air release of a transformer according to claim 3, characterized in that the solenoid valve (3) is provided with a manual operation function, and the solenoid valve (3) is opened or closed by the manual operation function under the condition that no signal is input to the solenoid valve (3).
5. A method for automatic supplementary air bleeding of a transformer, which is based on the device for automatic supplementary air bleeding of a transformer of claim 1, comprising:
when air is supplied, one end of the mechanical air supply port (202) is connected with the transformer body (1) through the air supply cavity (207), the other end is connected with the compressed air bottle (5), and the air supply pressure difference adjusting knob (206) is provided with the spring elasticity F of the air supply port0And a downward pressure F is generated on the air-supply elastic membrane (208)1Meanwhile, the transformer body (1) is communicated with the air supply inner cavity (209) and generates an upward pressure F on the air supply elastic membrane (208)2(ii) a The compressed air bottle (5) generates an upward pressure F to the air-supply elastic membrane (208) through the mechanical air-supply opening (202)3When F is1+F0<F2+F3When the internal pressure and the external pressure are not balanced, the air is supplemented; when F is present1+F0＝F2+F3When the pressure inside and outside is balanced, the air supply is stopped;
when in deflation, one end of the deflation port (203) is communicated with the atmosphere, the other end is in close contact with the deflation elastic membrane (211) through the deflation inner cavity (210), the deflation cavity (212) is communicated with the external pressure balance port (204), and the external pressure generates an upward pressure F on the deflation elastic membrane (211)4The elastic force F of the exhaust spring is set by adjusting an exhaust pressure difference adjusting knob (213)5At the same time, the atmosphere generates a downward pressure F on the air-releasing elastic membrane (211) through the air-releasing opening (203)6The transformer body (1) is communicated with the air-release inner cavity (210) and produces an air-release elastic membrane (211)Generating a downward pressure F7When F is4+F5<F6+F7When the pressure inside and outside is not balanced, the air begins to be discharged; when F is present4+F5＝F6+F7When the pressure inside and outside is balanced, the air release is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176259.1A CN107965664B (en) | 2017-11-22 | 2017-11-22 | A kind of pair of transformer carries out the device and method of automatic inflating device deflation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176259.1A CN107965664B (en) | 2017-11-22 | 2017-11-22 | A kind of pair of transformer carries out the device and method of automatic inflating device deflation |
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| CN107965664A CN107965664A (en) | 2018-04-27 |
| CN107965664B true CN107965664B (en) | 2019-07-30 |
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| JP3356965B2 (en) * | 1997-06-20 | 2002-12-16 | 株式会社日立製作所 | SF6 gas recovery / purification processing apparatus and method |
| CN201787326U (en) * | 2010-07-09 | 2011-04-06 | 上海电气阿海珐宝山变压器有限公司 | Automatic transformer charging device |
| CN203743827U (en) * | 2014-01-28 | 2014-07-30 | 国家电网公司 | Charged intelligent gas supply device of power SF6 transformer |
| JP2015166599A (en) * | 2014-03-03 | 2015-09-24 | 日本エア・リキード株式会社 | Container valve with pressure adjustment function and method for filling or supplying fluid under application of container valve |
| CN104100739B (en) * | 2014-07-25 | 2016-08-31 | 株洲壹星科技股份有限公司 | Gas control combination valve and using method thereof |
| CN104534274B (en) * | 2015-01-19 | 2016-09-28 | 国家电网公司 | A kind of SF6 self-filler and automatic inflating method thereof |
| CN106292762A (en) * | 2016-09-13 | 2017-01-04 | 山东电力设备有限公司 | A kind of method that transformator is carried out gas pressure on-line monitoring and automatic inflating device |
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