CN208742243U - Transformer leakage test is with being air-dried filter - Google Patents
Transformer leakage test is with being air-dried filter Download PDFInfo
- Publication number
- CN208742243U CN208742243U CN201820897163.8U CN201820897163U CN208742243U CN 208742243 U CN208742243 U CN 208742243U CN 201820897163 U CN201820897163 U CN 201820897163U CN 208742243 U CN208742243 U CN 208742243U
- Authority
- CN
- China
- Prior art keywords
- air
- cylinder
- seal casinghousing
- dried filter
- limit plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 239000002274 desiccant Substances 0.000 claims abstract description 23
- 238000007605 air drying Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000000741 silica gel Substances 0.000 description 11
- 229910002027 silica gel Inorganic materials 0.000 description 11
- 229960001866 silicon dioxide Drugs 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Drying Of Gases (AREA)
Abstract
The utility model relates to a kind of transformer leakage tests with being air-dried filter, transformer leakage test includes seal casinghousing with filter is air-dried, seal casinghousing includes cylinder and the end cap with the upper end sealing releasable connection of cylinder, seal casinghousing is equipped with air inlet and gas outlet, dried filter chamber is equipped in seal casinghousing, the dried filter chamber, which is surrounded by the inner wall and arranged for interval of cylinder in intracorporal spaced apart two limit plates up and down of cylinder, to be formed, there is the communication port passed through for air on limit plate, cushion chamber with supplied gas circulation between the limit plate of upside and the end cap of seal casinghousing, and it is located at limit plate and the seal casinghousing releasable connection of upside can be put into and remove dried filter chamber from the opening of the corresponding end cap of cylinder for air drying agent, air drying agent and discharge self-filtering inside capable of regularly replacing Dirty and moisture moisture.
Description
Technical field
The utility model relates to a kind of transformer leakage tests with being air-dried filter.
Background technique
Currently, transformer in leakage test, needs to carry out air pressurized leak test to inside transformer, tried at present in detection
It leaks through air source used in journey to be directly filled in transformer tank body in the gas that air compressor machine generates, air compressor machine is empty in manufacture
Many moisture or moisture are often randomly generated while gas, these moist gases can be brought into during leakage test
Inside transformer can impact the micro-water content of transformer oil, while can also insulate and destroy to inside transformer, empty
Press can gradually build up certain moisture while long-play, and transformer leakage test simultaneously can become many platforms
Depressor is tested, required gas only pass through air compressor machine directly squeeze into inside transformer can be to the insulation performance of inside transformer
Certain risk is generated, and after air compressor machine works long hours, even if being air-dried, it is also possible to by what is generated in air compressor machine
Moisture is brought into transformer, is impacted to inside transformer.
Utility model content
The purpose of this utility model is to provide a kind of transformer leakage tests with being air-dried filter, existing to solve
Air is pressed directly into the problem of built-in electrical insulation caused by transformer is influenced by steam by air compressor machine when transformer test in technology.
To achieve the above object, the utility model transformer leakage test is with the technical solution for being air-dried filter:
Transformer leakage test includes cylinder and and cylinder with filter, including seal casinghousing, seal casinghousing is air-dried
Upper end sealing releasable connection end cap, be additionally provided on seal casinghousing and be connected to inner barrel and for the entrance of extraneous pressure-air
Air inlet and it is connected to gas outlet for connecting with transformer with inner barrel, is equipped in seal casinghousing and air inlet and outlet
Mouthful connection for filling the dried filter chamber of air drying agent, the dried filter chamber by cylinder inner wall and arranged for interval
It surrounds to be formed in intracorporal spaced apart two limit plates up and down of cylinder, there is the communication port passed through for air, position on limit plate
Between the limit plate of upside and the end cap of seal casinghousing with supplied gas circulation cushion chamber, and be located at upside limit plate with
Seal casinghousing releasable connection is can be put into and remove dried filter chamber from the opening that cylinder corresponds to end cap for air drying agent.
Further, in order to realize upside limit plate releasable connection, hanged on the inner wall of the cylinder radially inward
Stretching has support frame, and the limit plate positioned at upside is set up on the support frame, passes through fastener between support frame and corresponding limit plate
Realize releasable connection.
Further, in order to facilitate upside limit plate releasable connection, setting is fixed with stud on support frame as described above, with
Support frame overlapped limit plate is equipped with the hole installed for stud, and the fastener is the locking nut being screwed on stud.
Further, it in order to which gas is after entering seal casinghousing inside, can be realized maximum dry with silica-gel desiccant
Dry filtration contact area guarantees while stablizing circulation of gas, the preferable dry filter effect to gas is also realized, under being located at
The flowing lumen of supplied gas circulation is equipped between the limit plate and cylinder bottom wall of side.
Further, in order to facilitate processing, the limit plate is network, described in each mesh of network is constituted
Communication port.
Further, in order to guarantee the dried and clean of air at gas outlet, the air inlet is provided under seal casinghousing
Portion, gas outlet are provided with seal casinghousing top.
Further, in order to facilitate the installation of seal casinghousing, at the same conveniently with the connection of corresponding air compressor machine, the air inlet
It is provided on cylinder lateral wall, gas outlet is arranged on end cap.
The beneficial effects of the utility model are: compared with the prior art, the sealing examination of transformer involved in the utility model
It tests with filter is air-dried, by the way that dried filter chamber, during actual test, dry filter are arranged in seal casinghousing
Intracavitary filling air drying agent, extraneous pressure-air first pass through this and are air-dried filter and removed before entering transformer
Wet drying process can achieve the purpose that dry humid air in this way, cross air filtering sundries, high-efficient, highly-safe, and make
It causes relatively low.Further, setting limit plate and cylinder lateral wall surround to form dried filter chamber, can guarantee desiccant
Filling position is fixed, and guarantees that desiccant in the intracorporal structural stability of cylinder, in the actual working process, is being dried for a long time
After filtering, dried filter chamber can be opened by removable limit plate, and air drying agent and discharge inside capable of regularly replacing
The dirty and moisture moisture of self-filtering.Facilitate operation, and replace and be easy, ensure that significantly and examination is being sealed to transformer
Pressure testing air used is clean and dry air when testing.And it cushion chamber is set can guarantee the good steady of gas and desiccant
Fixed contact, drying effect are more preferable.
Detailed description of the invention
Fig. 1 is the transformer leakage test specific embodiment structural representation for being air-dried filter of the utility model
Figure；
Fig. 2 is the structural schematic diagram of upper end cover in Fig. 1；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structural schematic diagram of Fig. 1 middle cylinder body；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is the enlarged structure schematic diagram of support frame in Fig. 5；
Fig. 7 is the structural schematic diagram of Fig. 1 lower limit position plate；
Fig. 8 is the structural schematic diagram of upper limit plate in Fig. 1；
Fig. 9 is the structural schematic diagram of lower cover in Fig. 1；
Figure 10 is the structural schematic diagram of upper connector in Fig. 2.
Description of symbols: 1- cylinder；2- upper end cover；3- lower cover；4- bolt and nut；5- gummy cord for sealing；6- air inlet；
The gas outlet 7-；8- lower limiting board；9- desiccant；10- upper limit plate；11- container edge；12- joint hinge；13- support frame；Connect on 21-
Adapter tube；22- internal screw thread；131- stud, 31- welding screw.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The transformer leakage test of the utility model specific embodiment for being air-dried filter, such as Fig. 1 to Figure 10 institute
Show, during this is air-dried filter applied to the leakage test of transformer, for the high pressure gas passed through in transformer
During carrying out dehumidifying removal of impurities.In the present embodiment, it includes cylinder 1 that this, which is air-dried filter, defines the axis edge of cylinder 1
Up and down direction extends, and the upper and lower ends of cylinder 1 seal releasable connection respectively a upper end cover 2 and lower cover 3, and cylinder 1, upper end cover
2 and lower cover 3 surround and constitute the structure of seal casinghousing, certainly, in the present embodiment, 1 knot of cylindrical barrel body of seal casinghousing
For configuration formula primarily to manufacture is facilitated to install, which is the carrier is carrier of other components.Cylinder 1 is that have one block of steel
Plate bending surrounds, and has the container radially extended along 11 on the outer peripheral surface in the upper and lower ends portion of cylinder 1, container is along 11 by annulus
Shape steel plate is processed to be formed, at the same it is circumferentially spaced in plate face of the container along 11 be evenly equipped with multiple bolt connecting holes, it is corresponding
The corresponding position of upper end cover 2 and lower cover 3 is also equipped with multiple circular holes, by 4 connected circular hole of bolt and nut and is bolted
Corresponding end cap and container are realized along 11 tightened relative in hole, and certainly, in the present embodiment, upper end cover 2 and lower cover 3 are by circle
The support of shape steel plate.The container that the corresponding periphery upper end in cylinder 1 is located at upper end is equipped with joint hinge 12 along 11 downside, convenient to this
The lifting of seal casinghousing.
In the present embodiment, the air inlet for having on seal casinghousing and being connected to inside cylinder 1 and entering for extraneous high pressure gas
Mouth 6 also has and is connected to inside cylinder 1 and internal gas is passed through the gas outlet 7 into transformer, while in seal casinghousing
Dried filter chamber is additionally provided between air inlet 6 and gas outlet 7, dry filter is intracavitary to be filled with silica-gel desiccant 9, such energy
After enough extraneous high pressure gas is entered in seal casinghousing by air inlet 6, the dehumidifying removal of impurities for passing through silica-gel desiccant 9 is acted on, energy
Enough moistures and sundries dry filter that will be carried in air, and then guarantee the drying and cleaning that enter the gas of inside transformer
Degree.
For air inlet 6 and gas outlet 7, since the density of sundries and steam in gas is greater than air,
In actual structured design process, in order to preferably realize dry filter effect, above-mentioned air inlet 6 is arranged in capsul
The top of seal casinghousing is arranged in the lower part of body, gas outlet 7.Setting can be dry by silica gel in the steam sundries in gas in this way
When drying prescription 9, since self weight will not continue to act upwards, guarantee the dried and clean of air.Meanwhile in the present embodiment, in order to
Facilitate installation and connection, above-mentioned air inlet 6 is arranged on the side wall of cylinder 1, facilitate the installation of seal casinghousing, at the same conveniently with
The connection of corresponding air compressor machine, and gas outlet 7 is arranged on upper end cover 2 so that it is convenient to connect with transformer.In the present embodiment,
Center position on upper end cover 2 is welded with upper connector 21, has coaxially been disposed to extend on upper connector 21 and upper end cover 2
Upper vent hole, the outer end of lower venthole constitute gas outlet 7, and one end backwards to upper end cover 2 of connecting tube is machined with internal screw thread 22, energy
It is enough conveniently to be connect with hermetically-sealed- transformer.Lower connector, lower connector are welded on the lower end outer peripheral surface of cylinder 1 simultaneously
It is coaxially arranged with lower venthole between 1 side wall of cylinder, for being passed through moist extraneous pressure-air.
For dried filter chamber, in the present embodiment, there are two limits for arranged for interval along the vertical direction in cylinder 1
Plate.Two limit plates are round reticular structure, and surrounded between 1 inner wall of two limit plates and cylinder to be formed it is described dried
Filter chamber.In the present embodiment, the netted hole in order to realize the support limit to silica-gel desiccant 9, on above-mentioned each limit plate
Size be respectively less than the particle size of corresponding silica-gel desiccant 9, can prevent silica-gel desiccant 9 from taking off from limit plate in this way
Out.Latticed structure can also guarantee the circulation for facilitating gas in actual use.Meanwhile the dried filter chamber is arranged in cylinder
Axial middle position in body 1, limit plate of the definition positioned at downside is lower limiting board 8, the limit plate positioned at upside is upper limit
Plate 10, in the present embodiment, lower limiting board 8 are located at the top of air inlet 6, and upper limit plate 10 is located at the lower section of gas outlet 7, in this way
It is arranged and can be realized cmpletely drying for air-flow.Further, between lower limiting board 8 and lower cover 3 and upper limit plate 10
Space between upper end cover 2 constitutes the diffusion chamber for air diffusion, and the setting of diffusion chamber is so that gas is entering capsul
Behind internal portion, the maximum dry filter contact area with silica-gel desiccant 9 can be realized, guarantee gas stablizes the same of circulation
When, also realize the preferable dry filter effect to gas.
Meanwhile in the actual working process, above-mentioned silica-gel desiccant 9 in use for some time, dried filter chamber
In the moisture that is generated due to dry filter and dirty more, this just needs to clear up the intracavitary portion of dry filter, meanwhile, silicon
Glue desiccant 9 in use for some time, the decline of dry filter effect, it is also desirable to from dried filter chamber by corresponding silica gel
Desiccant 9 takes out replacement and is continued to use with facilitating.In the present embodiment, above-mentioned in order to realize the pick-and-place to silica-gel desiccant 9
One of them of two limit plates is releasable connection between cylinder 1, and in the present embodiment, lower limiting board 8 and 1 inner wall of cylinder are logical
It crosses and is welded and fixed, releasable connection between upper limit plate 10 and cylinder 1.Specific is the inner wall corresponding upper limit position plate 10 in cylinder 1
Position at radially inwardly direction overhang have support frame 13, support frame 13 has multiple, circumferentially-spaced cloth contour and along cylinder 1
Set on 1 inner wall of cylinder, while being welded with the stud 131 extended up and down on the upper surface of support frame 13, it is corresponding
Multiple connecting holes are offered on upper limit plate 10, upper limit plate 10 are ridden upon on support frame 13, and connecting hole is set in spiral shell
On column 131, the releasable connection of upper limit plate 10 and cylinder 1 is then realized by locking nut.In the actual use process, exist
When needing to replace the silica-gel desiccant 9 in cylinder 1, it is thus only necessary to unclamp locking nut, then take away upper limit plate 10
?.It is relatively simple for structure.
For upper end cover 2 and lower cover 3, is realized by bolt, nut and gasket and is fixedly connected with cylinder 1,
Simultaneously in order to guarantee the intracorporal sealing of capsul, in the present embodiment, the contact of corresponding upper end cover 2 and lower cover 3 and cylinder 1
Equal sealed set has gummy cord for sealing 5 between face, and seal casinghousing can will be integrally formed in this way.And lead between upper end cover 2 and cylinder 1
It crosses and installs bolt realization connection, pass through between lower cover 3 and cylinder 1 and the realization of welding screw 31 and cylinder 1 are set on lower cover 3
Be fixedly connected.
In other embodiments, two limit plates can the releasable connection between cylinder, can also be only by downside
Limit plate and cylinder releasable connection；Releasable connection form between limit plate and cylinder can be by being arranged annular table in cylinder
Rank, and upper limit plate is resisted against to the end face of ring-shaped step and the form of screw fixation.
In other embodiments, it can also be realized using the structure type of clamping or riveting between support frame and upper limit plate
It is relatively fixed.
In other embodiments, air inlet and air outlet can also be directly connected to dried filter chamber.
In other embodiments, limit plate may be the group that multiple transverse slats combine the similar cell structure to be formed with riser
Plywood.
In other embodiments, air inlet and air outlet can be arranged on cylinder lateral wall, can also be arranged at pair
On the top cover answered.
Claims (7)
1. transformer leakage test is with being air-dried filter, it is characterised in that: including seal casinghousing, seal casinghousing includes cylinder
With the end cap with the sealing releasable connection of the upper end of cylinder, it is additionally provided on seal casinghousing and be connected to inner barrel and for extraneous high pressure sky
The air inlet and be connected to gas outlet for connecting with transformer with inner barrel that gas enters, are equipped with and air inlet in seal casinghousing
What mouth was connected to gas outlet be used to the fill dried filter chamber of air drying agent, the dried filter chamber by cylinder inner wall and
Arranged for interval surrounds to be formed in intracorporal spaced apart two limit plates up and down of cylinder, has the stream passed through for air on limit plate
Port, the cushion chamber with supplied gas circulation between the limit plate of upside and the end cap of seal casinghousing, and it is located at upside
Limit plate and seal casinghousing releasable connection are can be put into and remove drying from the opening of the corresponding end cap of cylinder for air drying agent
Filter chamber.
2. transformer leakage test according to claim 1 is with being air-dried filter, it is characterised in that: the cylinder
Overhanging radially inward on inner wall has support frame, and the limit plate positioned at upside is set up on the support frame, support frame and corresponding limit
Releasable connection is realized by fastener between the plate of position.
3. transformer leakage test according to claim 2 is with being air-dried filter, it is characterised in that: support frame as described above
Upper setting is fixed with stud, is equipped with the hole installed for stud with support frame overlapped limit plate, the fastener is to be screwed in
Locking nut on stud.
4. described in any item transformer leakage tests are with being air-dried filter according to claim 1 ~ 3, it is characterised in that: position
The flowing lumen of supplied gas circulation is equipped between the limit plate and cylinder bottom wall of downside.
5. described in any item transformer leakage tests are with being air-dried filter according to claim 1 ~ 3, it is characterised in that: institute
Stating limit plate is network, and each mesh of network constitutes the communication port.
6. described in any item transformer leakage tests are with being air-dried filter according to claim 1 ~ 3, it is characterised in that: institute
It states air inlet and is provided with seal casinghousing lower part, gas outlet is provided with seal casinghousing top.
7. transformer leakage test according to claim 6 is with being air-dried filter, it is characterised in that: the air inlet
It is provided on cylinder lateral wall, gas outlet is arranged on end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820897163.8U CN208742243U (en) | 2018-06-11 | 2018-06-11 | Transformer leakage test is with being air-dried filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820897163.8U CN208742243U (en) | 2018-06-11 | 2018-06-11 | Transformer leakage test is with being air-dried filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208742243U true CN208742243U (en) | 2019-04-16 |
Family
ID=66053865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820897163.8U Expired - Fee Related CN208742243U (en) | 2018-06-11 | 2018-06-11 | Transformer leakage test is with being air-dried filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208742243U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111099154A (en) * | 2019-11-11 | 2020-05-05 | 安徽康宁油脂科技有限公司 | Catalyst storage device is used in glycerine production |
| CN112058031A (en) * | 2020-07-29 | 2020-12-11 | 凯迈（洛阳）气源有限公司 | High-pressure gas drying and purifying device with replaceable filter element and installation method thereof |
| CN114006517A (en) * | 2021-11-25 | 2022-02-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Frequency converter shell structure, frequency converter and air conditioning system |
-
2018
- 2018-06-11 CN CN201820897163.8U patent/CN208742243U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111099154A (en) * | 2019-11-11 | 2020-05-05 | 安徽康宁油脂科技有限公司 | Catalyst storage device is used in glycerine production |
| CN112058031A (en) * | 2020-07-29 | 2020-12-11 | 凯迈（洛阳）气源有限公司 | High-pressure gas drying and purifying device with replaceable filter element and installation method thereof |
| CN114006517A (en) * | 2021-11-25 | 2022-02-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Frequency converter shell structure, frequency converter and air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |