CN207366688U - Detection device for insulating sleeve - Google Patents
Detection device for insulating sleeve Download PDFInfo
- Publication number
- CN207366688U CN207366688U CN201721423773.6U CN201721423773U CN207366688U CN 207366688 U CN207366688 U CN 207366688U CN 201721423773 U CN201721423773 U CN 201721423773U CN 207366688 U CN207366688 U CN 207366688U
- Authority
- CN
- China
- Prior art keywords
- detection
- insulating sleeve
- gas circuit
- cavity
- openend
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 79
- 238000005086 pumping Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 39
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
A kind of detection device for insulating sleeve, including workbench, a detection container for being fixedly installed on workbench top, triple valve, vacuum pumping pump and detector；The detection container has the detection cavity for accommodating insulating sleeve to be detected, and the internal diameter of the detection cavity is adapted with the outside diameter of insulating sleeve to be detected, and the openend for detecting cavity is located at the upper end of detection container；Periphery of the detection container in the openend of detection cavity has annular stop portion；The lower end of detection container is connected with the first gas circuit connected with detection cavity bottom；One openend connection of the first gas circuit one end and triple valve away from detection container, the another two openend of the triple valve is connected by the second gas circuit and the 3rd gas circuit with the air inlet of vacuum pumping pump and detector respectively.The device can comprehensively be checked that its testing result is reliable to the air-tightness of insulating sleeve.
Description
Technical field
The utility model belongs to electric power testing equipment field, and in particular to a kind of detection device for insulating sleeve.
Background technology
There are strict requirements for air-tightness for the insulating sleeve in gas-filling cabinet, therefore, insulating sleeve is after manufacture
Need to carry out air-leakage test.The existing air tightness detection equipment for insulating sleeve, can be only done the office to insulating sleeve
Portion is detected, and not only detection result is poor, but also testing result and unreliable.
Utility model content
In view of the above-mentioned problems of the prior art, the utility model provides a kind of detection device for insulating sleeve,
The device can comprehensively be checked that its testing result is reliable to the air-tightness of insulating sleeve.
The utility model provides a kind of detection device for insulating sleeve, including workbench, one be fixedly installed on
Detection container, triple valve, vacuum pumping pump and the detector on workbench top；
The detection container has a detection cavity for accommodating insulating sleeve to be detected, the internal diameter of the detection cavity with it is to be checked
The outside diameter for surveying insulating sleeve is adapted, and the openend for detecting cavity is located at the upper end of detection container；Detection container is in detection cavity
The periphery of openend there is annular stop portion；
The lower end of detection container is connected with the first gas circuit connected with detection cavity bottom；
One openend connection of the first gas circuit one end and triple valve away from detection container, the another two of the triple valve
Openend is connected by the second gas circuit and the 3rd gas circuit with the air inlet of vacuum pumping pump and detector respectively.
In the technical scheme, by making the detection cavity of upper end opening of the detection container with housing insulation casing, energy
Make the upper end of detection cavity and the upper end of insulating sleeve coordinate after be modeled to state when insulating sleeve is assemblied in gas-filling cabinet so that
Effectively reliable detection can be carried out to the junction of insulating sleeve and sealed chamber in air-leakage test.It is exhausted by device detection
During edge casing, insulating sleeve except the part of upper end junction be in detection cavity in, it is thus possible to the whole of insulating sleeve
The one end of a side wall and insulating sleeve inside sealed chamber is detected, which can realize the comprehensive inspection to insulating sleeve
Survey, its testing result is reliable, and detection accuracy is high.
Further, in order to improve the integrated level of the device, the babinet for being fixedly connected on workbench lower part, the pumping are further included
Vacuum pump and detector may be contained within the space of box house.
Further, for the ease of manufacture, the detection container is tubular structure.
Further, the detector is Nitrogen Detector.
Further, in order to improve the precision of detection, first gas circuit, the second gas circuit and the 3rd gas circuit are by seamless steel pipe
It is made.
Further, for the ease of controlling each gas circuit, it is both provided with first gas circuit, the second gas circuit and the 3rd gas circuit
Valve.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Installation diagram when Fig. 2 is the utility model detection insulating sleeve；
Fig. 3 is the partial enlarged view in Fig. 2；
Fig. 4 is the structure diagram of insulating sleeve.
In figure：1st, workbench, 2, detection container, 3, triple valve, 4, vacuum pumping pump, 5, detector, 6, detection cavity, 7, absolutely
Edge sleeve, 8, sealing ring, 9, annular stop portion, the 10, first gas circuit, the 11, second gas circuit, the 12, the 3rd gas circuit, 13, valve, 14,
Babinet, 15, spacing ring portion, 16, cavity.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, a kind of detection device for insulating sleeve, including workbench 1, one are fixedly installed on
Detection container 2, triple valve 3, vacuum pumping pump 4 and the detector 5 on 1 top of workbench；
The detection container 2 has a detection cavity 6 for accommodating insulating sleeve 7 to be detected, the internal diameter of the detection cavity 6 with
The outside diameter of insulating sleeve 7 to be detected is adapted, and the openend of detection cavity 6 is located at the upper end of detection container 2；Detection container 2 exists
The periphery for detecting the openend of cavity 6 has annular stop portion 9；
The lower end of detection container 2 is connected with the first gas circuit 10 connected with 6 bottom of detection cavity；
The one end of first gas circuit 10 away from detection container 2 is connected with an openend of triple valve 3, the triple valve 3
Another two openend is connected by the second gas circuit 11 and the 3rd gas circuit 12 with the air inlet of vacuum pumping pump 4 and detector 5 respectively.
In order to improve the integrated level of the device, the babinet 14 for being fixedly connected on 1 lower part of workbench is further included, it is described to vacuumize
Pump 4 and detector 5 may be contained within the space inside babinet 14.
For the ease of manufacture, the detection container 2 is tubular structure.
The detector 5 is Nitrogen Detector.
In order to improve the precision of detection, first gas circuit 10, the second gas circuit 11 and the 3rd gas circuit 12 are by seamless steel pipe
It is made.
For the ease of controlling each gas circuit, it is both provided with first gas circuit 10, the second gas circuit 11 and the 3rd gas circuit 12
Valve 13.
Application method:As shown in figure 4, the upper end for the insulating sleeve 7 in gas-filling cabinet is positioned at sealed chamber when mounted
Exterior one end, the upper end of insulating sleeve 7 are provided with the sealing ring 8 during for being connected with gas-filling cabinet sealed chamber at sealed connection,
Also there is spacing ring portion 15 outside the upper end of insulating sleeve 7, the lower end of insulating sleeve 7 is in inside sealed chamber after mounting, because
This, the lower end of insulating sleeve 7 is to sealing requirements higher.
During detection, the lower end of insulating sleeve 7 is positioned in the detection cavity 6 in detection container 2 facing downward, and make insulation
Part of the casing 7 in spacing ring portion below 15 is in detection cavity 6.At this time, sealing ring 8 decorates the upper end of insulating sleeve 7
It is tightly connected with the upper end of detection container 2.Valve 13 in first gas circuit 10, the second gas circuit 11 is opened, by vacuumizing
The cavity 16 that 4 pairs of pump is formed between the outside of insulating sleeve 7 and detection 6 madial wall of cavity vacuumizes, and is closed after vacuumizing
Valve 13 in second gas circuit 11.Helium is filled with into the inner cavity of insulating sleeve 7 by the upper end of insulating sleeve 7, opens the 3rd
Valve 13 in gas circuit 12, makes detector 5 work, and the air-tightness of insulating sleeve 7 is illustrated when detector 5 detects that helium is warned
It is unqualified, on the contrary the air-tightness of explanation insulating sleeve 7 is qualified.The detection process can not only be in sealed chamber to insulating sleeve 7
One end of inner part carries out effectively detection, can also be to the whole side wall and insulating sleeve 7 of insulating sleeve 7 one outside sealed chamber
The hermetic unit in the outside at end is detected, which can realize the comprehensive detection to insulating sleeve 7, its testing result can
Lean on, detection accuracy is high.
Claims (6)
1. a kind of detection device for insulating sleeve, including workbench (1) and one are fixedly installed on workbench (1) top
Detection container (2), it is characterised in that further include triple valve (3), vacuum pumping pump (4) and detector (5)；
The detection container (2) has the detection cavity (6) for accommodating insulating sleeve (7) to be detected, described to detect the interior of cavity (6)
Footpath is adapted with the outside diameter of insulating sleeve to be detected (7), and the openend of detection cavity (6) is located at the upper end of detection container (2)；Inspection
Periphery of the xylometer (2) in the openend of detection cavity (6) has annular stop portion (9)；
The lower end of detection container (2) is connected with the first gas circuit (10) connected with detection cavity (6) bottom；
The one end of first gas circuit (10) away from detection container (2) is connected with an openend of triple valve (3), the triple valve
(3) another two openend passes through the second gas circuit (11) and the 3rd gas circuit (12) and vacuum pumping pump (4) and detector (5) respectively
Air inlet connects.
2. a kind of detection device for insulating sleeve according to claim 1, it is characterised in that further include and be fixedly connected
Babinet (14) in workbench (1) lower part, the vacuum pumping pump (4) and detector (5) may be contained within the internal sky of babinet (14)
Between in.
A kind of 3. detection device for insulating sleeve according to claim 2, it is characterised in that the detection container
(2) it is tubular structure.
4. a kind of detection device for insulating sleeve according to any one of claims 1 to 3, it is characterised in that described
Detector (5) is Nitrogen Detector.
A kind of 5. detection device for insulating sleeve according to claim 4, it is characterised in that first gas circuit
(10), the second gas circuit (11) and the 3rd gas circuit (12) are made by seamless steel pipe.
A kind of 6. detection device for insulating sleeve according to claim 5, it is characterised in that first gas circuit
(10), it is both provided with valve (13) in the second gas circuit (11) and the 3rd gas circuit (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423773.6U CN207366688U (en) | 2017-10-31 | 2017-10-31 | Detection device for insulating sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423773.6U CN207366688U (en) | 2017-10-31 | 2017-10-31 | Detection device for insulating sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207366688U true CN207366688U (en) | 2018-05-15 |
Family
ID=62344663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721423773.6U Expired - Fee Related CN207366688U (en) | 2017-10-31 | 2017-10-31 | Detection device for insulating sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207366688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929658A (en) * | 2023-07-26 | 2023-10-24 | 国网安徽省电力有限公司郎溪县供电公司 | Detection device and detection method for distribution transformer |
-
2017
- 2017-10-31 CN CN201721423773.6U patent/CN207366688U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929658A (en) * | 2023-07-26 | 2023-10-24 | 国网安徽省电力有限公司郎溪县供电公司 | Detection device and detection method for distribution transformer |
| CN116929658B (en) * | 2023-07-26 | 2024-05-07 | 国网安徽省电力有限公司郎溪县供电公司 | Detection device and detection method for distribution transformer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 |