CN104048851A - Transformer oil sampling device and method - Google Patents
Transformer oil sampling device and method Download PDFInfo
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- CN104048851A CN104048851A CN201410251429.8A CN201410251429A CN104048851A CN 104048851 A CN104048851 A CN 104048851A CN 201410251429 A CN201410251429 A CN 201410251429A CN 104048851 A CN104048851 A CN 104048851A
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Abstract
The invention relates to a transformer oil sampling device and a transformer oil sampling method. The device consists of a sampling valve (2), a sampling hole (3), a first polytetrafluoroethylene tube (4), a valve (5), a second polytetrafluoroethylene tube (6), a vacuum filtration device (7), a quick jack (8), a quick jack (9), a sealing cover (10), a waste liquid bottle and a sampling bottle (12). Before sampling, transformer oil for the sampling is utilized for cleaning a device pipeline, and then sampling is carried out, so that the accuracy of the sampling is guaranteed. The transformer oil sampling device and the method provided by the invention completely meet the requirement for fully sealed sampling, so that samples are closer to the state of oil in equipment, degassing, particle removal and moisture removal can be truly achieved, and the accuracy of test results is improved. The operation is easy, the installation is convenient, electrified operation can be achieved, the working efficiency can be effectively improved, and the safe and stable operation of a power grid and the equipment is ensured. The whole operation process does not produce any waste liquid, thus being safe and environmentally friendly, and having great promotion significance.
Description
technical field
The present invention relates to a kind of transformer oil sampling apparatus and method, belong to electric system applied technical field.
background technology
The basic wide-necked bottle that uses of transformer oil oil quality analysis sampling at present, adopt wide-necked bottle to be difficult to realize hermetically sealed sampling, and in transportation the easy impurity such as loss sample, entrained air and moisture, thereby affect the reliability of transformer oil oil quality analysis result, directive/guide data have no laws to follow, and cannot accurately judge the operation conditions of equipment.
summary of the invention
In order to address the above problem, realize sealing sampling completely, and hot line job, the invention provides a kind of transformer oil sampling apparatus and method.
Technical scheme of the present invention is that a kind of transformer oil sampling apparatus of the present invention, by sampling bottle, waste liquid bottle, gland bonnet, quick jack, the first polyfluortetraethylene pipe, sample tap, valve, the second polyfluortetraethylene pipe, sample valve and vacuum filtration installation composition.
Be arranged on the gland bonnet of sampling bottle (or waste liquid bottle) opening part two quick jacks are set, respectively the first polyfluortetraethylene pipe of the special quick plug of connecting band and one end of the second polyfluortetraethylene pipe; The valve of controlling flow has been installed on the first polyfluortetraethylene pipe pipeline, and the other end of the first polyfluortetraethylene pipe is by the sample valve of sample tap connection transformer fuel tank; The other end of the second polyfluortetraethylene pipe connects respectively vacuum filtration device and vacuum pump.
It is 500 milliliters that above-mentioned sampling bottle is adopted capacity; Waste liquid bottle capacity is 1000 milliliters.
In order to remove while last time sampling in sampling apparatus pipeline and to be retained in the residual substance on tube wall, and before at every turn to transformer oil sampling, need utilize this transformer oil to clean installing pipes, just then start sampling.
When cleaning, be arranged on two quick jacks that arrange on the gland bonnet of waste liquid bottle opening part, respectively the first polyfluortetraethylene pipe of the special quick plug of connecting band and one end of the second polyfluortetraethylene pipe; The valve of controlling flow has been installed on the pipeline of the first polyfluortetraethylene pipe, and the other end of the first polyfluortetraethylene pipe is by the sample valve of sample tap connection transformer fuel tank; The other end of the second polyfluortetraethylene pipe connects vacuum filtration device.
When sampling, the waste liquid bottle that waste liquid is housed is replaced by empty sampling bottle, just can starts sampling.
A kind of transformer oil method of sampling of the present invention, the transformer oil that utilizes described device to sample, first cleans described installing pipes, and then samples; Said method comprising the steps of:
(1) clean
1) connect connecting the sampling apparatus of waste liquid bottle and the sample tap of transformer, the sample valve on transformer cuts out;
2) open the valve on the first polyfluortetraethylene pipe, waste liquid bottle 11 and the first polyfluortetraethylene pipe 4, the second polyfluortetraethylene pipe 6 are communicated with vacuum filtration device 7; Open vacuum filtration device, utilize vacuum filtration device 7 to aspirate the oil product in transformer, under vacuum action, transformer oil enters waste liquid bottle through sample tap pipeline, the first polyfluortetraethylene pipe 4;
3) exhaust after vacuum, close vacuum filtration device, close the valve on the first polyfluortetraethylene pipe, remove waste liquid bottle.
(2) sampling
1) connect connecting the sampling apparatus of sampling bottle and the sample tap of transformer, valve and vacuum filtration device on sample valve, the polyfluortetraethylene pipe of unlatching transformer, utilize the oil sample in vacuum filtration device suction transformer;
2) sample completely, close vacuum filtration device, close sample valve, close the valve on polyfluortetraethylene pipe, extract the quick plug on gland bonnet.
If continue sampling, can repeating step (1), (2).
The present invention compared with prior art, has the following advantages and beneficial effect: the present invention, before sampling, utilizes the transformer oil of this sampling to clean installing pipes, and then samples, and has ensured the accuracy of sampling.Transformer oil sampling apparatus of the present invention and method have realized the requirement of hermetically sealed sampling completely, make sample more press close to the state of oil in equipment, can really accomplish degasification, particle-removing, remove moisture, improve the accuracy of test findings.Simple to operate, easy for installation and can hot line job, can effectively increase work efficiency, guarantee electrical network, device security stable operation.Whole operating process does not have any waste liquid and produces, and safety and environmental protection, is with the promotion of good sense.
The present invention is applicable to the sampling of transformer oil.
brief description of the drawings
Fig. 1 is that transformer oil sampling apparatus of the present invention cleans schematic diagram;
Fig. 2 is transformer oil sampling apparatus sampling schematic diagram of the present invention;
Picture in picture number: the 1st, transformer; The 2nd, sample valve; The 3rd, sample tap; 4 is first polyfluortetraethylene pipes; The 5th, valve; 6 is second polyfluortetraethylene pipes; The 7th, vacuum filtration device; The 8th, quick jack; The 9th, quick jack; The 10th, gland bonnet; The 11st, waste liquid bottle; The 12nd, sampling bottle.
Embodiment
Below in conjunction with Fig. 1, the present invention is further illustrated.
As shown in Figure 1, a kind of transformer oil sampling apparatus of the present embodiment, is made up of sample valve 2, sample tap 3, the first polyfluortetraethylene pipe 4, valve 5, the second polyfluortetraethylene pipe 6, vacuum filtration device 7, quick jack 8, quick jack 9, gland bonnet 10, waste liquid bottle 11 and sampling bottle 12.
Before the present embodiment sampling, utilize the transformer oil of this sampling first sampling apparatus pipeline to be cleaned, waste liquid bottle 11 is placed on by transformer to be sampled, be arranged on the quick jack 8,9 on the gland bonnet 10 of waste liquid bottle opening part, respectively the first polyfluortetraethylene pipe 4 of the special quick plug of connecting band and one end of the second polyfluortetraethylene pipe 6; The other end of valve 5, the first polyfluortetraethylene pipes 4 of controlling flow is installed by the sample valve 2 of sample tap 3 connection transformer fuel tanks on the pipeline of the first polyfluortetraethylene pipe 4; The other end of the second polyfluortetraethylene pipe 6 connects vacuum filtration device 7; When sampling, remove waste liquid bottle 11, sampling bottle 12 is replaced to waste liquid bottle and be placed on by transformer to be sampled, just can start sampling.
The present embodiment sampling bottle capacity is 500 milliliters; Waste liquid bottle 11 capacity are 1000 milliliters.
A kind of transformer oil method of sampling of the present embodiment, comprises the following steps:
(1) clean
1) connect connecting the sampling apparatus of waste liquid bottle 11 and the sample tap of transformer 3, the sample valve 2 on transformer cuts out;
2) open the valve 5 on the first polyfluortetraethylene pipe 4, waste liquid bottle 11 and the first polyfluortetraethylene pipe 4, the second polyfluortetraethylene pipe 6 are communicated with vacuum filtration device 7.Open vacuum filtration device 7, utilize vacuum filtration device 7 to aspirate the oil product in transformer, under vacuum action, transformer oil enters waste liquid bottle through sample tap pipeline, the first polyfluortetraethylene pipe 4 after cleaning;
3) exhaust after vacuum, close vacuum filtration device 7, close the valve 5 on the first polyfluortetraethylene pipe 4, remove the waste liquid bottle 11 that cleans waste liquid is housed.
(2) sampling
1) connect connecting the sampling apparatus of sampling bottle 12 and the sample tap of transformer 3, valve 5 and vacuum filtration device 7 on sample valve 2, first polyfluortetraethylene pipe 4 of unlatching transformer, utilize vacuum filtration device 7 to aspirate the oil sample in transformer;
2) sample completely, close vacuum filtration device 7, close sample valve 2, close the valve 5 on the first polyfluortetraethylene pipe 4, extract the quick plug on gland bonnet 10.
If continue sampling, can repeating step (1), (2).
Claims (3)
1. a transformer oil sampling apparatus, it is characterized in that, described device is made up of sample valve (2), sample tap (3), the first polyfluortetraethylene pipe (4), valve (5), the second polyfluortetraethylene pipe (6), vacuum filtration device (7), quick jack (8), quick jack (9), gland bonnet (10), waste liquid bottle (11) and sampling bottle (12); Be arranged on the gland bonnet (10) of sampling bottle (12) opening part two quick jacks (8,9) are set, respectively first polyfluortetraethylene pipe (4) of the special quick plug of connecting band and one end of the second polyfluortetraethylene pipe (6); The valve (5) of controlling flow has been installed on the pipeline of the first polyfluortetraethylene pipe, and the other end of the first polyfluortetraethylene pipe is by the sample valve (2) of sample tap (3) connection transformer fuel tank; The other end of the second polyfluortetraethylene pipe connects vacuum filtration device (7).
2. a transformer oil method of sampling, is characterized in that, the transformer oil that described method is utilized described device sampling, first cleans described installing pipes, and then samples; Described method step is as follows:
A, cleaning
A will connect the sampling apparatus of waste liquid bottle (11) and the sample tap (3) of transformer connects, and the sample valve (2) on transformer cuts out;
B opens the valve (5) on the first polyfluortetraethylene pipe (4), and waste liquid bottle (11) and the first polyfluortetraethylene pipe (4), the second polyfluortetraethylene pipe (6) are communicated with vacuum filtration device (7); Open vacuum filtration device (7), utilize the oil product in vacuum filtration device (7) suction transformer, under vacuum action, transformer oil enters waste liquid bottle through sample tap pipeline, the first polyfluortetraethylene pipe (4) after cleaning;
C exhausts after vacuum, closes vacuum filtration device (7), closes the valve (5) on the first polyfluortetraethylene pipe (4), removes the waste liquid bottle (11) that cleans waste liquid is housed;
B, sampling
A connects connecting the sampling apparatus (12) of sampling bottle and the sample tap (3) of transformer, valve (5) and vacuum filtration device (7) on sample valve (2), first polyfluortetraethylene pipe (4) of unlatching transformer, utilize the oil sample in vacuum filtration device (7) suction transformer;
B sampling is complete, closes vacuum filtration device (7), closes sample valve (2), closes the valve (5) on the first polyfluortetraethylene pipe (4), extracts the quick plug on gland bonnet (10);
If continue sampling, can repeating step A, B.
3. a kind of transformer oil method of sampling according to claim 2, is characterized in that, the capacity of described sampling bottle is 500 milliliters; The capacity of described waste liquid bottle is 1000 milliliters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251429.8A CN104048851A (en) | 2014-06-09 | 2014-06-09 | Transformer oil sampling device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251429.8A CN104048851A (en) | 2014-06-09 | 2014-06-09 | Transformer oil sampling device and method |
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| CN104048851A true CN104048851A (en) | 2014-09-17 |
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| CN201410251429.8A Pending CN104048851A (en) | 2014-06-09 | 2014-06-09 | Transformer oil sampling device and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758674A (en) * | 2016-04-19 | 2016-07-13 | 马树布 | Sampling device and sampling method of electric locomotive transformer oil |
| CN106092657A (en) * | 2016-06-08 | 2016-11-09 | 天津送变电工程公司 | A kind of main transformer oil sample extracting method |
| CN109781457A (en) * | 2019-03-11 | 2019-05-21 | 国网上海市电力公司 | A kind of vacuum on-load operation switch insulating oil sampling apparatus |
| CN110686938A (en) * | 2019-11-11 | 2020-01-14 | 云南电网有限责任公司电力科学研究院 | Hydrogen oil sampling device and sampling method |
| CN110907230A (en) * | 2019-12-20 | 2020-03-24 | 中铁工程装备集团有限公司 | Sealed grease sampling device and sampling method |
| CN111207957A (en) * | 2018-11-22 | 2020-05-29 | 于双斌 | Method for collecting liquid in negative pressure device into closed bottle |
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| US4942770A (en) * | 1988-09-01 | 1990-07-24 | Seifert Gunilla K E | Automatic aseptic sampling apparatus |
| CN102221487A (en) * | 2011-03-23 | 2011-10-19 | 江苏省电力公司泰州供电公司 | Oil sampling tool for main transformer |
| CN202049066U (en) * | 2011-01-14 | 2011-11-23 | 河北省送变电公司 | Self-cleaning type liquid sampling device |
| CN202066715U (en) * | 2010-06-25 | 2011-12-07 | 上海宝钢工业检测公司 | Negative pressure oil liquid sampling device |
| CN202485940U (en) * | 2012-03-02 | 2012-10-10 | 山西省电力公司电力科学研究院 | Oil sampling device for transformer |
| CN203299024U (en) * | 2013-06-26 | 2013-11-20 | 天津中海恒运石油制品有限公司 | Lubricant oil sampling device |
| CN103499470A (en) * | 2013-09-29 | 2014-01-08 | 广州供电局有限公司 | Sampling device and sampling method for gas content of insulating oil |
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2014
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| US4942770A (en) * | 1988-09-01 | 1990-07-24 | Seifert Gunilla K E | Automatic aseptic sampling apparatus |
| CN202066715U (en) * | 2010-06-25 | 2011-12-07 | 上海宝钢工业检测公司 | Negative pressure oil liquid sampling device |
| CN202049066U (en) * | 2011-01-14 | 2011-11-23 | 河北省送变电公司 | Self-cleaning type liquid sampling device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758674A (en) * | 2016-04-19 | 2016-07-13 | 马树布 | Sampling device and sampling method of electric locomotive transformer oil |
| CN106092657A (en) * | 2016-06-08 | 2016-11-09 | 天津送变电工程公司 | A kind of main transformer oil sample extracting method |
| CN111207957A (en) * | 2018-11-22 | 2020-05-29 | 于双斌 | Method for collecting liquid in negative pressure device into closed bottle |
| CN109781457A (en) * | 2019-03-11 | 2019-05-21 | 国网上海市电力公司 | A kind of vacuum on-load operation switch insulating oil sampling apparatus |
| CN110686938A (en) * | 2019-11-11 | 2020-01-14 | 云南电网有限责任公司电力科学研究院 | Hydrogen oil sampling device and sampling method |
| CN110686938B (en) * | 2019-11-11 | 2022-08-16 | 云南电网有限责任公司电力科学研究院 | Hydrogen oil sampling device and sampling method |
| CN110907230A (en) * | 2019-12-20 | 2020-03-24 | 中铁工程装备集团有限公司 | Sealed grease sampling device and sampling method |
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Application publication date: 20140917 |