CN208688758U - The tightness checking device of capsule type oil storage cabinet - Google Patents
The tightness checking device of capsule type oil storage cabinet Download PDFInfo
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- CN208688758U CN208688758U CN201821548070.0U CN201821548070U CN208688758U CN 208688758 U CN208688758 U CN 208688758U CN 201821548070 U CN201821548070 U CN 201821548070U CN 208688758 U CN208688758 U CN 208688758U
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- capsule type
- storage cabinet
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Abstract
The utility model relates to a kind of tightness checking devices of capsule type oil storage cabinet, including nitrogen cylinder, three-way connection, the exit of nitrogen cylinder passes through the piping connection pressure reducing valve with outlet valve, pressure reducing valve passes through the input terminal of the piping connection three-way connection with valve A, one output end of three-way connection passes through the piping connection with valve B and detects pressure gauge, the another output connecting detection pipeline of three-way connection, signal piping end is provided with bump joint, bypass duct is provided on the pipeline that pressure reducing valve is connect with valve A, flushing burp valve is provided in bypass duct, exhaust outlet is rinsed in the connection of branch pipe end, this utility structure is simple, design is reasonable, accuracy is high, it is versatile, convenient for operation, and it can be suitably used for the tightness checking device of various types of capsule type oil storage cabinets.
Description
Technical field
The utility model relates to a kind of tightness checking devices of capsule type oil storage cabinet.
Background technique
Show between transformer oil and gas there are air-tightness is not tight in oil-immersed transformer (reactor) capsule type oil storage cabinet
As the administrative transforming plant main transformer of company, highly resistance have occurred and that a lot of transformer oil gassiness because caused by oil conservater air-tightness is bad
Measure exceeded situation.After oil-immersed transformer (reactor) air content is exceeded, capsule type oil storage cabinet leak check need to be carried out
Work, and respective handling is carried out according to leak check result, it will affect transformer insulated oil quality otherwise to influence equipment
Normal operation.
Since administrative substation, overhauling company, province is numerous, the respirator pipe flange of each oil-immersed transformer (reactor)
Face size is also not quite similar, and it is raw only to can be suitably used for the producer for the oil conservater leak check tooling that some transformers producer provides
The transformer of production, does not have versatility, and not set dedicated drain tap, and pressure discharge operations are inconvenient;Cause leak check work
It is cumbersome to operate process, cannot unify, operating efficiency is not high.In addition, traditional tightness checking device cannot achieve device sheet
The self-test of body cannot exclude check device itself and leak influence to inspection result, influences the accuracy of seal box inspection result.
Utility model content
The purpose of this utility model is that place, the leakproofness for providing a kind of capsule type oil storage cabinet are examined against the above deficiency
Device is looked into, oil-immersed transformer (reactor) capsule type oil storage cabinet leak check is used for.
The utility model solves scheme used by technical problem, a kind of leak check dress of capsule type oil storage cabinet
It sets, including nitrogen cylinder, three-way connection, the exit of nitrogen cylinder passes through the piping connection pressure reducing valve with outlet valve, pressure reducing valve warp
One output end of the input terminal of the piping connection three-way connection with valve A, three-way connection passes through the piping connection with valve B
Pressure gauge, the another output connecting detection pipeline of three-way connection are detected, signal piping end is provided with bump joint, depressurizes
It is provided with bypass duct on the pipeline that valve is connect with valve A, flushing burp valve, the connection of branch pipe end are provided in bypass duct
Rinse exhaust outlet.
Further, pressure gauge A is provided on the connecting line of outlet valve and pressure reducing valve, pressure reducing valve is connect with valve A
Pipeline on be provided with pressure gauge B.
Further, pressure reducing valve output end connects connecting tube A, and the input terminal of valve A connects connecting tube B, the end of connecting tube B
End is provided with connector, and connecting tube A is connected through connector with connecting tube B.
Further, bypass duct is connected with connecting tube B.
Further, connector is fast-connecting type connector.
Further, bump joint is fast-connecting type bump joint.
It further, further include flange sealing plate, after flange sealing plate is connect with bump joint, bump joint is closed.
Further, detection pressure gauge is high-precision digital pressure gauge.
Compared with prior art, the utility model has the following beneficial effects: structure is simple, rationally, accuracy is high for design, leads to
It is strong with property, it convenient for operation, and can be suitably used for the tightness checking device of various types of capsule type oil storage cabinets, this dress may be implemented
Decompression function after the leakproofness self-test set, pipe flushing, inspection, thus the leakage of remover itself and interfere the close of oil conservater
The inspection of envelope property, improves the accuracy of leak check result.
Detailed description of the invention
The utility model patent is further illustrated with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model.
In figure:
10- nitrogen cylinder, 11- outlet valve, 20- pressure reducing valve, 21- pressure gauge A, 22- pressure gauge B, 30- three-way connection, 31-
Connector, 32- rinse burp valve, 321- rinses exhaust outlet, 33- valve A, 34- valve B, 341- detect pressure gauge, 35- method
Blue connector, 40- respirator pipe flange, 50- capsule type oil storage cabinet, 60- power transformer.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, a kind of tightness checking device of capsule type oil storage cabinet, including nitrogen cylinder, three-way connection, nitrogen cylinder
Exit pass through the piping connection pressure reducing valve with outlet valve, pressure reducing valve passes through the piping connection three-way connection with valve A
Input terminal, an output end of three-way connection pass through the piping connection with valve B and detect pressure gauge, and another of three-way connection is defeated
Outlet connecting detection pipeline, signal piping end are provided with bump joint, and bump joint can be with power transformer (electricity to be checked
Anti- device) capsule type oil storage cabinet the corresponding connection of respirator pipe flange, be provided on the pipeline that pressure reducing valve is connect with valve A
Bypass duct, flushing burp valve is provided in bypass duct, and exhaust outlet is rinsed in the connection of branch pipe end.
In the present embodiment, pressure gauge A, pressure reducing valve and valve A are provided on the connecting line of outlet valve and pressure reducing valve
Pressure gauge B is provided on the pipeline of connection.
In the present embodiment, pressure reducing valve output end connects connecting tube A, and the input terminal of valve A connects connecting tube B, connecting tube B
End be provided with connector, connecting tube A is connected through connector with connecting tube B.
In the present embodiment, bypass duct is connected with connecting tube B.
In the present embodiment, connector is fast-connecting type connector.
In the present embodiment, bump joint is fast-connecting type bump joint.
It in the present embodiment, further include flange sealing plate, after flange sealing plate is connect with bump joint, bump joint is closed.
In the present embodiment, detection pressure gauge is high-precision digital pressure gauge.
In actual work, it is mounted on signal piping using bump joint corresponding with equipment to be detected, wording
Blue connector is connected on the respirator pipe flange of the capsule type oil storage cabinet of power transformer to be checked (reactor), and through connecing
Pressure reducing valve is docked and connected by head with the valve A pipeline being connected, and opens the outlet valve on nitrogen cylinder, opens pressure reducing valve, valve
A.Valve B is closed and is rinsed burp valve, can be injected for the capsule type oil storage cabinet of power transformer (reactor) to be checked
Nitrogen, pressure gauge to be detected indicate that pressure to when checking pressure (0.02~0.03MPa), closes valve A, oil conservater to be checked is isolated
The accuracy for checking work, electric power to be checked are improved to eliminate the influence of pipe leakage with contacting for check device pipeline
The leak check work of the capsule type oil storage cabinet of transformer (reactor) starts, and is checked according to detection pressure gauge instruction judgement
As a result.
Valve A is closed, opens and rinses burp valve, can facilitate and pipeline is rinsed;In addition, leak check terminates
Afterwards, valve A, valve B are opened, opens and rinses burp valve, can be the capsule-type of power transformer (reactor) to be checked
Oil conservater carries out pressure release, is rinsed convenient for operating personnel to impurity that may be present in pipeline, can also the inspection of being sealed property
The decompression operation of oil conservater capsule is carried out after looking into work.
Flange sealing plate (solid, non-interconnected) is connect with bump joint, to close bump joint, and and will be subtracted through connector
Pressure valve is docked and connected with the valve A pipeline being connected, and opens outlet valve, pressure reducing valve, valve A, valve B, closes and rinses exhaust
Mouth valve can inject nitrogen for check device itself, and the sealing of check device itself is judged according to detection pressure gauge instruction
Implementations, to realize self-test, oil conservater leak check result mistake caused by avoiding check device from revealing because of itself is improved
The accuracy of leak check.
In the present embodiment, for the respirator of the capsule type oil storage cabinet of part power transformer to be checked (reactor)
More narrow situation is arranged in the position of pipe flange, is connected between tee tube and bump joint 35 by flexible hose, thus
It is convenient to carry out Inspection in stenosis.
In the present embodiment, the present apparatus is when in use, it is only necessary to the respirator pipe of replacement and power transformer (reactor)
The corresponding bump joint of road flange, entire check device that no replacement is required has the characteristics that versatile, makes different model
The leak check workflow of the capsule type oil storage cabinet of oil-immersed power transformer (reactor) obtains unification.
Above-listed preferred embodiment has been further described the purpose of this utility model, technical solution and advantage,
It should be understood that the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (8)
1. a kind of tightness checking device of capsule type oil storage cabinet, it is characterised in that: including nitrogen cylinder, three-way connection, nitrogen cylinder
Exit pass through the piping connection pressure reducing valve with outlet valve, pressure reducing valve passes through the piping connection three-way connection with valve A
Input terminal, an output end of three-way connection pass through the piping connection with valve B and detect pressure gauge, and another of three-way connection is defeated
Outlet connecting detection pipeline, signal piping end are provided with bump joint, branch are provided on the pipeline that pressure reducing valve is connect with valve A
Lu Guan, flushing burp valve is provided in bypass duct, and exhaust outlet is rinsed in the connection of branch pipe end.
2. the tightness checking device of capsule type oil storage cabinet according to claim 1, it is characterised in that: outlet valve with subtract
It is provided with pressure gauge A on the connecting line of pressure valve, pressure gauge B is provided on the pipeline that pressure reducing valve is connect with valve A.
3. the tightness checking device of capsule type oil storage cabinet according to claim 2, it is characterised in that: pressure reducing valve output end
Connect connecting tube A, the input terminal of valve A connects connecting tube B, and the end of connecting tube B is provided with connector, connecting tube A through connector with
Connecting tube B is connected.
4. the tightness checking device of capsule type oil storage cabinet according to claim 3, it is characterised in that: bypass duct with connect
Pipe B is connected.
5. the tightness checking device of capsule type oil storage cabinet according to claim 3, it is characterised in that: connector is fast-connecting type
Connector.
6. the tightness checking device of capsule type oil storage cabinet according to claim 1, it is characterised in that: bump joint is fast
Connect formula bump joint.
7. the tightness checking device of capsule type oil storage cabinet according to claim 1, it is characterised in that: further include flange envelope
Plate, after flange sealing plate is connect with bump joint, bump joint is closed.
8. the tightness checking device of capsule type oil storage cabinet according to claim 1, it is characterised in that: detecting pressure gauge is
High-precision digital pressure gauge.
Priority Applications (1)
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CN201821548070.0U CN208688758U (en) | 2018-09-21 | 2018-09-21 | The tightness checking device of capsule type oil storage cabinet |
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CN201821548070.0U CN208688758U (en) | 2018-09-21 | 2018-09-21 | The tightness checking device of capsule type oil storage cabinet |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110243558A (en) * | 2019-07-09 | 2019-09-17 | 润智科技有限公司 | A kind of gas pipeline sealing property detection device |
CN110265208A (en) * | 2019-07-04 | 2019-09-20 | 江苏恒屹变压器有限公司 | A kind of oil-immersed transformer being convenient to clean oil duct |
CN112556950A (en) * | 2020-12-30 | 2021-03-26 | 江苏核电有限公司 | Device and method for detecting sealing performance of main joint surface of reactor pressure vessel |
-
2018
- 2018-09-21 CN CN201821548070.0U patent/CN208688758U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110265208A (en) * | 2019-07-04 | 2019-09-20 | 江苏恒屹变压器有限公司 | A kind of oil-immersed transformer being convenient to clean oil duct |
CN110265208B (en) * | 2019-07-04 | 2024-04-19 | 江苏恒屹变压器股份有限公司 | Oil immersed transformer convenient to clearance oil duct |
CN110243558A (en) * | 2019-07-09 | 2019-09-17 | 润智科技有限公司 | A kind of gas pipeline sealing property detection device |
CN112556950A (en) * | 2020-12-30 | 2021-03-26 | 江苏核电有限公司 | Device and method for detecting sealing performance of main joint surface of reactor pressure vessel |
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