CN102818877A - Testing device of compatibility of solid with insulating oil - Google Patents
Testing device of compatibility of solid with insulating oil Download PDFInfo
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- CN102818877A CN102818877A CN2012101379463A CN201210137946A CN102818877A CN 102818877 A CN102818877 A CN 102818877A CN 2012101379463 A CN2012101379463 A CN 2012101379463A CN 201210137946 A CN201210137946 A CN 201210137946A CN 102818877 A CN102818877 A CN 102818877A
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Abstract
The invention discloses a testing device of compatibility of solid with insulating oil. The testing device comprises an oil tank and an oil feeding hole. The testing device is characterized by further comprising a funnel, a sample tube, a pressing sleeve, a plug and an oil delivery pipe, wherein the center of the bottom of the funnel is communicated with an oil discharging pipe on the oil tank in a threaded mode through a tubular joint; the sample tube is arranged in the middle of one side of the oil tank, communicated with the inner cavity of the oil tank, and used for arranging test samples; the plug with a cylindrical upper end and a conical lower end is arranged in the tubular joint of the funnel; and the oil delivery pipe is arranged at the bottom of one side of the oil tank and communicated with the inner cavity of the oil tank. The testing device is simple in structure, convenient to use, low in cost and high in accuracy; the testing device filled with test samples and oil is placed in an oven and heated to the set time and temperature, oil is taken out, and the compatibility of solid with insulating oil is tested through an oil color spectrum method; and a good testing condition is provided for selection and usage of materials.
Description
Technical field
The present invention relates to a kind of electrical measuring device, especially the proving installation of solid and insulating oil compatibility.
Background technology
Solid and insulating oil are compatible, and promptly the two can not react under the operating mode.Wherein, solid is generally copper, platinum, semiconductor and pottery etc.; Insulating oil refers generally to transformer oil.When carrying out the insulation system design, grasp the compatibility of liquid insulating medium and solid material in advance, rationally to select for use, reach designing requirement.At present, the means of testing of solid and insulating oil compatibility has two types, and promptly breadboard practical vacuum equipment vacuumizes the back heat aging and mixes aging with on-the-spot not air-isolation.The former cost is too high, and latter's conclusion is inaccurate.The equipment aspect is similar, all is oil tank, sample, aging back sampling and testing.The oil sample that takes out is measured the size of its air content with the oil colours spectrometry, and which kind of gas of content, with definite solid and insulating oil compatibility.
Summary of the invention
The purpose of this invention is to provide a kind of easy, low cost and high solid and the insulating oil compatibility test device of accuracy.
For reaching above-mentioned purpose, technical scheme of the present invention is:
A kind of solid and insulating oil compatibility test device, it comprises oil tank and oil hole thereof, it is characterized in that also comprising:
The funnel that following center is threaded and is communicated with through flowline on tubular configured joint and the said oil tank;
Be located at said oil tank one middle side part, and communicate, be used to be provided with the appearance pipe and the gland thereof of test specimen with the oil tank inner chamber;
In said filler tube straight coupling, be provided with the conical plug that the upper end for the cylindricality lower end is;
Be located at said oil tank one side lower curtate, and the petroleum pipeline that communicates with the oil tank inner chamber.
Described appearance Guan Yuqi gland is that high temperature resistant thread seal connects.
On the collar extension of said petroleum pipeline, be sealedly connected with the bite type joint.
One end of said test specimen is a truncated cone-shaped, and the other end is cylindrical.
The solid of above structure and insulating oil compatibility test device are placed on the test specimen of solid in the appearance pipe of oil tank one middle side part, and use gland sealing and fixing, oil tank fill oil afterwards test specimen be immersed in the oil.The effect of funnel is that oil volume expands and overflows oil tank when preventing to expand with heat and contract with cold, and plug is wherein realized air insulated through most advanced and sophisticated conical contact surface.Through the bite type joint that is tightly connected on petroleum pipeline and the collar extension thereof, can conveniently inject or discharge insulating oil.And the installation and removal of test specimen and funnel are also very simple and convenient.Test specimen is housed to sealing and puts into baking box with the proving installation of filling oil; After being heated to the time and temperature of setting, oil being taken out measure the size of its air content and the content of gaseous species, and make that the gas content table compares in the different oil of each test condition with the oil colours spectrometry; Air content is big; The compatibility that solid and insulating oil are described is bad, otherwise, good.Thereby solid and insulating oil compatibility that easy, low cost and accuracy height are measured are for material chosen and use provide good test condition.
Description of drawings
Fig. 1 is a sectional structure synoptic diagram of the present invention.
Fig. 2 is a perspective view of the present invention.
In the drawings, funnel 1, tubular configured joint 2, appearance pipe 4 and gland 3 thereof, solid test sample 5, oil tank 6, petroleum pipeline 7, bite type joint 8, last flowline 9, plug 10.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
Shown in Figure 1, be sectional structure synoptic diagram of the present invention.Can know that from figure oil tank 6 is threaded through the tubular configured joint 2 in the middle of the last flowline 9 above it is below funnel 1, with the two inner chambers connection of funnel 1 and oil tank 6.It is cylindrical that the endoporus top of tubular configured joint 2 is divided into ladder, and wherein the columniform plug 10 of respective steps is realized sealed attachment through the columniform combination of both ladders.The lower end of plug 10 is conical, and promptly the surface of contact of plug and oil tank is conical.At oil tank 6 one middle side parts, be provided with oil tank 6 inner chambers and communicate, be used to be provided with the appearance pipe 4 and the gland 3 thereof of solid test sample 5; Wherein, appearance pipe 4 connects with oil tank 6 sealing and fixing, connects with gland 3 screw thread refractory seals, and an end of test specimen 5 is a truncated cone-shaped, and the other end is cylindrical.Test specimen 5 is located in the appearance pipe 4, and a cylindrical end stretches out outside the appearance pipe 4.At the lower curtate of oil tank 6 one sides, be provided with the petroleum pipeline 7 that communicates with oil tank 6 inner chambers, its outside is provided with bite type joint 8, is used to test the input or the escape hole of insulating oil.Tubular configured joint 2 also can cooperate with the bite type joint as the going out of oil tank 6, oil-in.Test specimen 5 is a solid material, as: copper, platinum, semiconductor and pottery etc.
This solid with the method for application of insulating oil compatibility test device is:
1. with 1 dismounting of oil tank upper funnel;
2. solid test sample 5 is packed in the appearance pipe 4, and is fixed with gland 3;
3. from the bite type joint 8 injection transformer insulating oils in petroleum pipeline 7 outsides, until the inner chamber that is full of oil tank 6, the port of last flowline 9 begins bleed, and bubble is eliminated in slight vibration, and guaranteeing does not have gas in the oil tank;
4. plug 10 is placed on the endoporus of tubular configured joint 2, is fixedly connected with last flowline 9 screw threads funnel 1 is installed;
5. in petroleum pipeline 7, continue oil-filledly to flood plug 10 to pasta, realize air insulated, can carry out the compatibility experiment whole testing device;
6. after carrying out the compatibility experiment, open the funnel 1 of oil tank 6 upper ends, can extract the insulation oil sample, test with the oil colours spectrometry of prior art, and bear the result from bite type joint 8.Thereby measure solid and insulating oil compatibility.
Claims (4)
1. solid and insulating oil compatibility test device, it comprises oil tank and oil hole thereof, it is characterized in that also comprising:
Following center is gone up the funnel (1) that flowline is threaded and is communicated with through tubular configured joint (2) with said oil tank (6);
Be located at said oil tank (6) one middle side parts, and communicate, be used to be provided with appearance pipe (4) and the gland (3) thereof of solid test sample (5) with oil tank (6) inner chamber;
In said funnel (1) tubular configured joint (2), be provided with the conical plug (10) that the upper end for the cylindricality lower end is;
Be located at said oil tank (6) one side lower curtates, and the petroleum pipeline (7) that communicates with oil tank (6) inner chamber.
2. solid according to claim 1 and insulating oil compatibility test device is characterized in that:
Described appearance pipe (4) is connected for high temperature resistant thread seal with its gland (3).
3. solid according to claim 1 and insulating oil compatibility test device is characterized in that:
On the collar extension of said petroleum pipeline (7), be sealedly connected with bite type joint (8).
4. solid according to claim 1 and insulating oil compatibility test device is characterized in that:
One end of said solid test sample (5) is a truncated cone-shaped, and the other end is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210137946.3A CN102818877B (en) | 2012-05-05 | 2012-05-05 | Testing device of compatibility of solid with insulating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210137946.3A CN102818877B (en) | 2012-05-05 | 2012-05-05 | Testing device of compatibility of solid with insulating oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102818877A true CN102818877A (en) | 2012-12-12 |
| CN102818877B CN102818877B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210137946.3A Active CN102818877B (en) | 2012-05-05 | 2012-05-05 | Testing device of compatibility of solid with insulating oil |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377197Y (en) * | 1999-07-14 | 2000-05-10 | 高国诚 | Cover for bottle having funnel |
| KR100974860B1 (en) * | 2010-05-10 | 2010-08-11 | 이명수 | Apparatus and method for measuring insulating oil of transformer |
| CN202139028U (en) * | 2011-06-16 | 2012-02-08 | 郭运篷 | Engine oil filling funnel |
| CN202562895U (en) * | 2012-05-05 | 2012-11-28 | 广西电网公司电力科学研究院 | Compatibility test device of sensor materials and insulating oil |
-
2012
- 2012-05-05 CN CN201210137946.3A patent/CN102818877B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377197Y (en) * | 1999-07-14 | 2000-05-10 | 高国诚 | Cover for bottle having funnel |
| KR100974860B1 (en) * | 2010-05-10 | 2010-08-11 | 이명수 | Apparatus and method for measuring insulating oil of transformer |
| CN202139028U (en) * | 2011-06-16 | 2012-02-08 | 郭运篷 | Engine oil filling funnel |
| CN202562895U (en) * | 2012-05-05 | 2012-11-28 | 广西电网公司电力科学研究院 | Compatibility test device of sensor materials and insulating oil |
Non-Patent Citations (1)
| Title |
|---|
| RICHARD C. CAVESTRI: "COMPATIBILITY OF REFRIGERANTS AND LUBRICANTS WITH ENGINEERING PLASTICS", 《INTERNATIONAL REFRIGERATION AND AIR CONDITIONING CONFERENCE》, 30 September 1993 (1993-09-30), pages 11 - 14 * |
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| Publication number | Publication date |
|---|---|
| CN102818877B (en) | 2015-04-01 |
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