CN207964219U - A kind of power transformer oil conservater capsule air-tightness detection device - Google Patents
A kind of power transformer oil conservater capsule air-tightness detection device Download PDFInfo
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- CN207964219U CN207964219U CN201820274937.1U CN201820274937U CN207964219U CN 207964219 U CN207964219 U CN 207964219U CN 201820274937 U CN201820274937 U CN 201820274937U CN 207964219 U CN207964219 U CN 207964219U
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- air intake
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- capsule
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Abstract
The utility model is related to a kind of power transformer oil conservater capsule air-tightness detection device, including a Buffer Unit, the Buffer Unit includes a baffle-box；One inflatable component, the inflatable component include a source of inflation gas, one be located inside baffle-box and the inlet manifold that is connected with source of inflation gas and it is several be located at the air intake branch being connected in baffle-box and with inlet manifold, charge valve is installed on air intake branch；One detection components, the detection components include several pressure gauges on the outside of baffle-box, while valve for controlling pressure guage is also associated between pressure gauge and air intake branch；One goes out pneumatic module, it is described go out pneumatic module include the escape pipe to connect one to one with air intake branch, gas bleeder valve is installed on escape pipe.The utility model has the advantage of：By the way that a baffle-box is arranged, the cooperation of air source, inlet manifold, air intake branch, pressure gauge is recycled, so as to which multiple capsules are inflated and carried out with air-leakage test, the detection efficiency greatly improved simultaneously.
Description
Technical field
The utility model is related to a kind of oil conservater, more particularly to a kind of power transformer oil conservater capsule air-leakage test dress
It sets.
Background technology
Oil conservater divides open type and sealed two major classes, sealed and can be divided into rubber bag tank or Rubber Diaphragm Seal formula and gold
Belong to bellow seal formula.Open type oil conservater is the single cylinder rolled by iron plate, and insulating oil passes through dehydrating breather simple in structure
It is communicated with ambient atmosphere, since dehydrating breather acts on limited, insulating oil moisture-sensitive and oxidation when operation, 35kV or more transformers at present
Do not allow to use open type oil conservater.
Isolating problem to solve insulating oil and air develops rubber bellows and diaphragm of rubber formula oil conservater.Capsule-type stores up
Oil Tank is on the basis of open type oil conservater, and inside has installed the canvas filler rubber capsule for air-isolation additional, is formed with outer housing
Sealing structure, by the flexible volume compensation realized to insulating oil, capsule inner cavity is communicated by respirator with air rubber bag tank.This
Kind of structure oil conservater tentatively realizes being isolated for insulating oil and air, reduces the moisture absorption and oxidation of insulating oil to a certain extent,
Alleviate influence of the oily cracking to equipment.
Currently, the capsule type oil storage cabinet used on the market, for its capsule before use, being required for the airtight of capsule
Property is detected.And traditional capsule air-leakage test, using be by will air intake branch access capsule inflating port at carry out
Then inflation is detected into the capsule on air intake branch by installing pressure gauge.Above-mentioned this detection mode, there is
Certain defect：This kind of detection mode can only once be detected the air-tightness of a capsule, and detection efficiency is slow.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of power transformer oil conservater capsules that detection efficiency is high
Air-tightness detection device.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of power transformer oil conservater capsule gas
Close property detection device, innovative point are：Including
One Buffer Unit, the Buffer Unit include a baffle-box；
One inflatable component, the inflatable component include a source of inflation gas, one be located at baffle-box inside and with source of inflation gas phase
Inlet manifold even and several in the baffle-box and the air intake branch that is connected with inlet manifold, the air intake branch it is another
End is stretched out outside baffle-box and connects one to one with capsule, and charge valve is equipped on air intake branch；
One detection components, the detection components include several being mounted on the outside of baffle-box and mutually corresponding with air intake branch
The pressure gauge of connection, while valve for controlling pressure guage is also associated between pressure gauge and air intake branch；
One goes out pneumatic module, it is described go out pneumatic module include the escape pipe to connect one to one with air intake branch, on escape pipe
Gas bleeder valve is installed.
Further, the connection between the air intake branch and capsule is：The connector A being connected with air intake branch including one
And the connector B that is connected with the inflating port of capsule, the connector A are connected with connector B, and connector A and connector B it
Between an air cavity is collectively formed, be located on connector A and connector B at air cavity and be additionally provided with an air valve.
Further, the connector A is an outer nut being arranged at the gas outlet of air intake branch, which has
One inner cavity, and it is an interior spiral shell being arranged at capsule inflating port to have internal thread structure, connector B on the inner wall of outer nut
Mother, the inner nut have an external thread structure, and the outer nut is connected through a screw thread with inner nut, and the thickness of inner nut is less than
The depth of the inner cavity of outer nut.
Further, the connector A is a upper flange being arranged at the gas outlet of air intake branch, and connector B is one
The mating connection of lower flange at capsule gas outlet, upper flange and lower flange by bolts and nuts is set, in upper flange
Also there is an inner cavity.
The utility model has the advantage of：In the present invention, by the way that a baffle-box is arranged, air source, air inlet are recycled
The cooperation of manifold, air intake branch, pressure gauge, so as to be inflated simultaneously to multiple capsules and carry out air-leakage test, significantly
Raising detection efficiency；Meanwhile different air intake branches can be used by the keying selection of charge valve, valve for controlling pressure guage
It uses.
Coordinate the connection realized between air intake branch and capsule by the auxiliary connection between connector A and connector B,
So that the low-priceder convenience of connection, stabilization between the two can effectively prevent in addition, by the cooperation between air cavity and air valve
Only gas leak, ensure capsule in pressure holding, it is ensured that test it is accurate.
Setting for connector A and connector B can be the cooperation between two nuts, can also be two flanges
Between cooperation, selected with specific reference to the difference of the structure of the inflating port of capsule.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the schematic diagram of the power transformer oil conservater capsule air-tightness detection device of the utility model.
Fig. 2 is the first of air intake branch and capsule connection diagram in the utility model.
The schematic diagram that Fig. 3 is connector A in second of structure of air intake branch and capsule in the utility model.
The schematic diagram that Fig. 4 is connector B in second of structure of air intake branch and capsule in the utility model.
Specific implementation mode
The following examples can make professional and technical personnel that the utility model be more fully understood, but therefore will not
The utility model is limited among the embodiment described range.
A kind of power transformer oil conservater capsule air-tightness detection device as Figure 1-Figure 4, including
One Buffer Unit, the Buffer Unit include a baffle-box 11.
One inflatable component is located at 11 inside of baffle-box and and source of inflation gas to inflatable component including a source of inflation gas 12, one
12 connected inlet manifolds 13 and several in baffle-box 11 and the air intake branch 14 that is connected with inlet manifold 13, air inlet branch
The other end of pipe 14 is stretched out outside baffle-box 11 and is connected one to one with capsule 15, and charge valve is equipped on air intake branch 14
16。
Connection between air intake branch 14 and capsule 15 is：Including
The connector B, the connector A that the one connector A and one being connected with air intake branch is connected with the inflating port of capsule
It is connected with connector B, and an air cavity is collectively formed between connector A and connector B, gas is located on connector A and connector B
An air valve is additionally provided at chamber.It is connected by the auxiliary between connector A and connector B and realizes air intake branch and capsule to coordinate
Between connection so that the low-priceder convenience of connection, stabilization between the two can in addition, by the cooperation between air cavity and air valve
Effectively to prevent gas from leaking, ensure capsule in pressure holding, it is ensured that test it is accurate.
Schematic diagram as shown in Figure 2 is it is found that the first connection structure is：Going out in air intake branch is arranged for one in connector A
Outer nut 1 at gas port, which has an inner cavity 3, and has internal thread structure, connector on the inner wall of outer nut 1
B is an inner nut 2 being arranged at capsule inflating port, which has an external thread structure, outer nut 1 logical with inner nut 2
Threaded connection is crossed, and the thickness of inner nut 2 is less than the depth of the inner cavity of outer nut 1, and connected in inner nut 2 and 1 screw thread of outer nut
After connecing, 3 remaining space of inner cavity is air cavity.
Schematic diagram as shown in Figure 3, Figure 4 is it is found that second of connection structure is：Connector A is a setting in air intake branch
Gas outlet at upper flange 4, connector B is a lower flange 6 being arranged at capsule gas outlet, and upper flange 4 and lower flange 6 are logical
The mating connection for crossing bolts and nuts, it is air cavity also to have an inner cavity 5, the inner cavity 5 in upper flange 4.
Setting for connector A and connector B can be the cooperation between two nuts, can also be two flanges
Between cooperation, be possibly even single flange arrangement, selected with specific reference to the difference of the structure of the inflating port of capsule
It selects.
One detection components, the detection components include several mounted on 11 outside of baffle-box and a pair of with 14 phase of air intake branch one
The pressure gauge 17 that should be connected, while valve for controlling pressure guage 18 is also associated between pressure gauge 17 and air intake branch 14.
One goes out pneumatic module, and it includes the escape pipe 19 to connect one to one with air intake branch 14 that this, which goes out pneumatic module, in escape pipe
Gas bleeder valve 20 is installed on 19.
By the way that a baffle-box is arranged, the cooperation of air source, inlet manifold, air intake branch, pressure gauge is recycled, so as to simultaneously
Multiple capsules are inflated and carried out with air-leakage test, the detection efficiency greatly improved；Meanwhile charge valve, pressure can be passed through
The keying selection of power table switch valve uses the use of different air intake branches.
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and
Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model,
The utility model also has various changes and improvements, these changes and improvements both fall within claimed the scope of the utility model
It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (4)
1. a kind of power transformer oil conservater capsule air-tightness detection device, it is characterised in that：Including
One Buffer Unit, the Buffer Unit include a baffle-box；
One inflatable component, the inflatable component include a source of inflation gas, one positioned at baffle-box inside and are connected with source of inflation gas
Inlet manifold and several in the baffle-box and the air intake branch that is connected with inlet manifold, the other end of the air intake branch are stretched
Go out outside baffle-box and connect one to one with capsule, charge valve is installed on air intake branch；
One detection components, the detection components include several being mounted on the outside of baffle-box and mutually connecting one to one with air intake branch
Pressure gauge, while valve for controlling pressure guage is also associated between pressure gauge and air intake branch；
One goes out pneumatic module, it is described go out pneumatic module include the escape pipe to connect one to one with air intake branch, installed on escape pipe
There is gas bleeder valve.
2. power transformer oil conservater capsule air-tightness detection device according to claim 1, it is characterised in that：It is described into
Connection between gas branch pipe and capsule is：It is connected with the inflating port of capsule including the connector A and one that one is connected with air intake branch
Connector B, the connector A is connected with connector B, and an air cavity is collectively formed between connector A and connector B, even
It is located on fitting A and connector B at air cavity and is additionally provided with an air valve.
3. power transformer oil conservater capsule air-tightness detection device according to claim 2, it is characterised in that：The company
Fitting A is an outer nut being arranged at the gas outlet of air intake branch, which has an inner cavity, and in the inner wall of outer nut
It is an inner nut being arranged at capsule inflating port above to have internal thread structure, connector B, which has an external screw thread knot
Structure, the outer nut are connected through a screw thread with inner nut, and the thickness of inner nut is less than the depth of the inner cavity of outer nut.
4. power transformer oil conservater capsule air-tightness detection device according to claim 2, it is characterised in that：The company
Fitting A is a upper flange being arranged at the gas outlet of air intake branch, and connector B is a laxative remedy being arranged at capsule gas outlet
Orchid, upper flange, by the mating connection of bolts and nuts, also have an inner cavity with lower flange in upper flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820274937.1U CN207964219U (en) | 2018-02-27 | 2018-02-27 | A kind of power transformer oil conservater capsule air-tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820274937.1U CN207964219U (en) | 2018-02-27 | 2018-02-27 | A kind of power transformer oil conservater capsule air-tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964219U true CN207964219U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820274937.1U Active CN207964219U (en) | 2018-02-27 | 2018-02-27 | A kind of power transformer oil conservater capsule air-tightness detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752153A (en) * | 2018-11-30 | 2019-05-14 | 西门子变压器（武汉）有限公司 | Suppress the bulge test method of surge tank and power transformer |
| CN111122075A (en) * | 2019-12-20 | 2020-05-08 | 贵州电网有限责任公司 | Device and method for detecting air tightness of oil conservator |
| CN112067270A (en) * | 2020-09-04 | 2020-12-11 | 中国人民解放军海军工程大学 | Air bag inflation and deflation testing and monitoring system |
-
2018
- 2018-02-27 CN CN201820274937.1U patent/CN207964219U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752153A (en) * | 2018-11-30 | 2019-05-14 | 西门子变压器（武汉）有限公司 | Suppress the bulge test method of surge tank and power transformer |
| CN109752153B (en) * | 2018-11-30 | 2023-11-03 | 西门子能源变压器(武汉)有限公司 | Pressing buffer tank and pressing test method of power transformer |
| CN111122075A (en) * | 2019-12-20 | 2020-05-08 | 贵州电网有限责任公司 | Device and method for detecting air tightness of oil conservator |
| CN112067270A (en) * | 2020-09-04 | 2020-12-11 | 中国人民解放军海军工程大学 | Air bag inflation and deflation testing and monitoring system |
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