CN103047423A - Sampling device of transformer - Google Patents
Sampling device of transformer Download PDFInfo
- Publication number
- CN103047423A CN103047423A CN2012105590523A CN201210559052A CN103047423A CN 103047423 A CN103047423 A CN 103047423A CN 2012105590523 A CN2012105590523 A CN 2012105590523A CN 201210559052 A CN201210559052 A CN 201210559052A CN 103047423 A CN103047423 A CN 103047423A
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- sampling
- transformer
- valve body
- housing
- sampler
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- 238000005070 sampling Methods 0.000 title claims 7
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000008676 import Effects 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
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Abstract
The invention discloses a sampling device of a transformer, which is used for sampling by a sampling valve of the transformer. The sampling device of the transformer comprises a housing (1) and a rotating rod (2) sleeved inside the housing, wherein the housing (1) is provided with an inner cavity used for accommodating the valve body of the sampling valve, a sampling inlet (11) for the valve body entering the inner cavity and a sampling outlet (12) used for outputting sampling; and the rotating rod (2) is provided with a fixed end used for being connected with the valve plug of the valve body and a driving end extended out of the housing (1). Through the sampling device of the transformer provided by the invention, the valve body of the sampling valve of the transformer is opened and sampled inside the inner cavity of the housing, so that the sampling time contacted with the external is efficiency reduced, and samples are prevented from being exposed to the outside air to cause the samples to be polluted; moreover, the samples are efficiently prevented from being scattered when being output, the cleanness of operation is improved, and bad influence on the health of operating staff is prevented.
Description
Technical field
The present invention relates to the transformer equipment technical field, particularly a kind of transformer sampler.
Background technique
According to the GB regulation, transformer should regularly detect its inside fluid sampling, is generally extracted by the sample cock of transformer bottom and extract oil sample.
The sample cock of transformer comprises valve body and is arranged at valve plug on the sample tap of valve body, when sampling, takes off the valve plug on the valve body, and fluid is flowed in the sampling container by the sample tap of valve body.Usually, also be provided with valve gap on the valve body, to improve the sealing effect of sample cock.
At present, in transformer, the sample tap of valve body be arranged at sample cock below.When sampling, the operative employee can't see sample tap.When the fluid in the transformer is taken a sample, open valve plug with spanner, ground tool plug vial directly is placed on below the sample cock, fluid flows in the sampling bottle through the bottle wall of sample tap along ground tool plug vial.If transformer oil is carried out moisture, gassiness when detecting, then from ground tool plug vial, extract fluid with the glass needle tubing.
But, owing to be exposed in the ambient air in the process of fluid sampling, inevitably can make sampling be subjected to outside contamination, and in the sampling process, fluid is received Action of Gravity Field and is flowed out sample tap, often can cause fluid to flash, operative employee's health is caused damage.
Therefore, how to avoid takes a sample is subject to outside contamination and reduces Health cost to the operative employee, has become those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of transformer sampler, avoided sampling to be subject to outside contamination, and, the Health cost to the operative employee reduced.
For achieving the above object, the invention provides following technological scheme:
A kind of transformer sampler is used for being taken a sample by the sample cock of transformer, comprising:
Housing, described housing have be used to the inner chamber of the valve body that holds described sample cock, enter the sampling import of described inner chamber and be used for the sampling outlet that output is taken a sample for described valve body;
Be sheathed on the swingle in the described inner chamber, described swingle has for the fixed end that is connected with the valve plug of described valve body and the drive end that stretches out described housing.
Preferably, in above-mentioned transformer sampler, described sampling import has the internal thread that matches with the outside thread of described valve body.
Preferably, in above-mentioned transformer sampler, also comprise the stop valve that is communicated with described sampling outlet.
Preferably, in above-mentioned transformer sampler, described stop valve comprises:
The stop valve body that is communicated with described sampling outlet;
Be arranged on the described stop valve body switch knob that is used for its unlatching of control and closes;
The hose coupling that is communicated with described stop valve body.
Preferably, in above-mentioned transformer sampler, also comprise the flexible pipe that is arranged on the described hose coupling.
Preferably, in above-mentioned transformer sampler, described flexible pipe is provided with three-way valve away from an end of described hose coupling.
Preferably, in above-mentioned transformer sampler, be provided with the connecting tube that the drive end for described swingle stretches out on the described housing, be provided with seal arrangement between described connecting tube and the described swingle.
Preferably, in above-mentioned transformer sampler, described connecting tube is provided with end ring away from an end of described housing;
Described seal arrangement comprises the sealing gasket that is sheathed on the described swingle and the extruding circle of the described sealing gasket of axial compression;
Described end ring contacts with described extruding circle.
Preferably, in above-mentioned transformer sampler, described end ring is threaded with described connecting tube.
Preferably, in above-mentioned transformer sampler, described drive end is fixedly connected with rotary spanner.
In sampling process, the valve gap of the sample cock of transformer is taken off, the valve body of sample cock is sheathed in the sampling import, and makes valve plug on the valve body and the fixed end secure fit of swingle; Rotate the drive end of swingle, swingle is rotated, so the fixing valve plug rotation of drive and fixed end, to open with respect to valve body, the sampling in the transformer flows into inner chamber by valve body and is flowed out by sample cock, through sampling outlet inflow sampling container.After sampling is finished, the drive end of counter-rotation swingle so that valve plug rotation and block valve body, the sampling in the inner chamber is emptying after with valve body by taking out in the inner chamber, and valve gap is placed on the valve body, finish the primary sample operation.
Can find out from above-mentioned technological scheme, transformer sampler provided by the invention, by the valve body of transformer sample cock is opened and sampling at the inner chamber of housing, effectively reduce sampling and the extraneous time that contact, having avoided taking a sample is exposed in the ambient air and makes to take a sample and polluted; And, effectively avoided sampling the time to splash in output, improved the spatter property of operation, avoid operator healthy caused harmful effect.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the transformer sampler that Fig. 1 provides for the embodiment of the invention;
The sampling schematic representation of the transformer sampler that Fig. 2 provides for the embodiment of the invention when fluid pressure test or oily physics and chemistry detect;
The sampling schematic representation of transformer sampler when detecting fluid water content or air content that Fig. 3 provides for the embodiment of the invention.
Embodiment
The invention discloses a kind of transformer sampler, avoided sampling to be subject to outside contamination, and, the Health cost to the operative employee reduced.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who obtains under the creative work prerequisite.
Please refer to Fig. 1, the structural representation of the transformer sampler that Fig. 1 provides for the embodiment of the invention.
The embodiment of the invention provides a kind of transformer sampler, be used for transformer is taken a sample, comprise: housing 1, housing 1 have be used to the inner chamber of the valve body that holds sample cock, enter the sampling import 11 of inner chamber and be used for the sampling outlet 12 that output is taken a sample for valve body; Be sheathed on the swingle 2 in the inner chamber, swingle 2 has the fixed end that is connected with the valve plug of valve body and stretches out the drive end of housing 1.
In sampling process, the valve gap of the sample cock of transformer is taken off, the valve body of sample cock is sheathed in the sampling import 11, and makes valve plug on the valve body and the fixed end secure fit of swingle 2; Rotate the drive end of swingle 2, swingle 2 is rotated, so the fixing valve plug rotation of drive and fixed end, to open with respect to valve body, the sampling in the transformer flows into inner chamber by valve body and is flowed out by sample cock 12, through sampling outlet 12 inflow sampling containers.After sampling is finished, the drive end of counter-rotation swingle 2 so that valve plug rotation and block valve body, the sampling in the inner chamber is emptying after with valve body by taking out in the inner chamber, and valve gap is placed on the valve body, finish the primary sample operation.
The transformer sampler that the embodiment of the invention provides by the valve body of transformer sample cock is opened and sampling at the inner chamber of housing 1, effectively reduces sampling and the extraneous time that contact, has avoided taking a sample being exposed in the ambient air and making to take a sample and polluted; And, effectively avoided sampling the time to splash in output, improved the spatter property of operation, avoid operator healthy caused harmful effect.
Wherein, the valve plug of valve body is bolt arrangement, be that valve plug is connected with the screw-internal thread fit of the sample tap of valve body by the outside thread that is arranged at its outer wall, valve plug has bolt head, it can be the various structures such as hex-shaped head or quadrilateral head, and fixed end has the groove that cooperates with bolt head, i.e. Hexagon groove or quadrilateral groove, bolt head is stretched in the groove of fixed end the effect that valve plug rotates thereupon when reaching swingle 2.
Because sample cock is arranged at the bottom of transformer, the sampling import 11 in the present embodiment has the internal thread that matches with the outside thread of the valve body of sample cock.When sampling, the valve gap of sample cock is opened, and the sampling import 11 of housing 1 is relatively rotated with valve body, make both screw-thread fit, avoided sampling import 11 and valve body relative separation, improved both connection tightnesss.Also can reach being connected of transformer sampler and sample cock by sampling import 11 and valve body interference fit.
The transformer sampler that the embodiment of the invention provides also comprises the stop valve 3 that is communicated with sampling outlet 12.Sampling outlet 12 is flowed out in sampling, and by stop valve 3 coutroi velocities, flows into sampling container, is convenient to control the flow velocity of sampling.Also can stop valve be set in sampling import 11, the particular location of stop valve does not limit and all within protection domain.
Preferably, stop valve 3 is 3/8 ball valve.Also can select the stop valve of other types, only need reach coutroi velocity and get final product.
For the ease of sampling output, the transformer sampler that the embodiment of the invention provides also comprises the flexible pipe B that is arranged on the hose coupling 33.As shown in Figure 1, hose coupling 33 is that the less end of conical head and diameter is connected with flexible pipe B, and, be processed with cone tank on the conical head, to improve the frictional force of hose coupling 33 and flexible pipe B joint, avoid flexible pipe B by hose coupling 33 slippages.Can also at surface Machining screw thread or the rubbing surface of hose coupling 33, can improve equally the frictional force of hose coupling 33 and flexible pipe B joint.
Please refer to Fig. 2, the sampling schematic representation of the transformer sampler that Fig. 2 provides for the embodiment of the invention when fluid pressure test or oily physics and chemistry detect.
When taking a sample, at first the valve gap with sample cock takes off, and the valve body of sample cock is stretched into the inner chamber of housing 1 and fixing with housing 1, rotates swingle 2, takes off the valve plug on the valve body in the inner chamber; Flexible pipe B is stretched in the vial C away from an end of hose coupling 33, open stop valve 3, so that sampling flows into vial C until sampling is finished by transformer; Rotate swingle 2, make valve plug block the closing operation that valve body is finished sample cock, close stop valve 3.
Preferably, away from an end of hose coupling 33 three-way valve D is set at flexible pipe B.
Please refer to Fig. 3, the sampling schematic representation of transformer sampler when detecting fluid water content or air content that Fig. 3 provides for the embodiment of the invention.
When taking a sample, at first the valve gap with sample cock takes off, and the valve body of sample cock is stretched into the inner chamber of housing 1 and fixing with housing 1, rotates swingle 2, takes off the valve plug on the valve body in the inner chamber; The end of three-way valve D is fixedly connected with glass needle tubing E; Open stop valve 3, three-way valve D conducting flexible pipe B and vacant three-way valve outlet so that sampling is flowed out by transformer, are discharged the impurity in the transformer sampler; After a period of time, regulating three-way valve D, so that flexible pipe B is communicated with glass needle tubing E, glass needle tubing E takes a sample until finish; Rotate swingle 2, make valve plug block the closing operation that valve body is finished sample cock, close stop valve 3.
Flowed out by connecting tube for fear of sampling, housing 1 is provided with the connecting tube that the drive end for swingle 2 stretches out, the seal arrangement 5 between connecting tube and the swingle 2.
As shown in Figure 1, connecting tube is provided with end ring 4 away from an end of housing 1; Seal arrangement 5 comprises the sealing gasket 51 that is sheathed on the swingle 2 and the extruding circle 52 of axial compression sealing gasket 51; End ring 4 contacts with extruding circle 52.In the present embodiment, extruding circle 52 contacts with end ring 4, when end ring 4 is threaded with connecting tube, promote extruding circle 52 by end ring 4 to sealing gasket 51 directions, so that push circle 52 along the axial direction crush seal pad 51 of swingle 2 and make its distortion, and then improve the applying degree of itself and connecting tube and swingle 2, further improved sealing effect.
Further, end ring 4 is threaded with connecting tube.In the present embodiment, end ring 4 has female thread structure, and connecting tube has external thread structure, because being threaded of end ring 4 and connecting tube, reaching by rotation end ring 4 and to promote extruding and enclose 52 effect.
Further, sealing gasket 51 is the fluosilicic rubber gasket.
For the ease of rotating swingle 2, the transformer sampler that the embodiment of the invention provides also comprises the rotary spanner 6 that is fixedly connected with the drive end of swingle 2.
Preferably, rotary spanner 6 is rotation hand wheel.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the present invention.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a transformer sampler is used for being taken a sample by the sample cock of transformer, it is characterized in that, comprising:
Housing (1), described housing (1) have the inner chamber be used to the valve body that holds described sample cock, the sampling import (11) that supplies described valve body to enter described inner chamber reaches the sampling outlet (12) that is used for the output sampling;
Be sheathed on the swingle (2) in the described inner chamber, described swingle (2) has for the fixed end that is connected with the valve plug of described valve body and the drive end that stretches out described housing (1).
2. transformer sampler as claimed in claim 1 is characterized in that, described sampling import (11) has the internal thread that matches with the outside thread of described valve body.
3. transformer sampler as claimed in claim 1 is characterized in that, also comprises the stop valve (3) that is communicated with described sampling outlet (12).
4. transformer sampler as claimed in claim 3 is characterized in that, described stop valve (3) comprising:
The stop valve body (31) that is communicated with described sampling outlet (12);
Be arranged on the described stop valve body (31) switch knob (32) that is used for its unlatching of control and closes;
The hose coupling (33) that is communicated with described stop valve body (31).
5. transformer sampler as claimed in claim 4 is characterized in that, also comprises the flexible pipe (B) that is arranged on the described hose coupling (33).
6. transformer sampler as claimed in claim 5 is characterized in that, described flexible pipe (B) is provided with three-way valve (D) away from an end of described hose coupling (33).
7. transformer sampler as claimed in claim 1 is characterized in that, is provided with the connecting tube that stretches out of drive end for described swingle (2) on the described housing (1), is provided with seal arrangement (5) between described connecting tube and the described swingle (2).
8. transformer sampler as claimed in claim 7 is characterized in that, described connecting tube is provided with end ring (4) away from an end of described housing (1);
Described seal arrangement (5) comprises the sealing gasket (51) that is sheathed on the described swingle (2) and the extruding circle (52) of the described sealing gasket of axial compression (51);
Described end ring (4) contacts with described extruding circle (52).
9. transformer sampler as claimed in claim 7 is characterized in that, described end ring (4) is threaded with described connecting tube.
10. such as each described transformer sampler of claim 1-9, it is characterized in that described drive end is fixedly connected with rotary spanner (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559052.3A CN103047423B (en) | 2012-12-20 | 2012-12-20 | Transformer sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559052.3A CN103047423B (en) | 2012-12-20 | 2012-12-20 | Transformer sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103047423A true CN103047423A (en) | 2013-04-17 |
| CN103047423B CN103047423B (en) | 2015-09-09 |
Family
ID=48060184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210559052.3A Active CN103047423B (en) | 2012-12-20 | 2012-12-20 | Transformer sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103047423B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847946A (en) * | 2015-05-18 | 2015-08-19 | 国家电网公司 | Butterfly valve with upper valve cover |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3135753C2 (en) * | 1980-10-13 | 1985-01-24 | Kaj Virum Ottung | Lift valve |
| EP0623769A1 (en) * | 1993-05-07 | 1994-11-09 | Fujikin Incorporated | Control valve |
| CN2526817Y (en) * | 2001-10-31 | 2002-12-18 | 佟立辉 | Freeze-proof anti-theft pressure-taking sampler |
| CN201464220U (en) * | 2009-06-30 | 2010-05-12 | 河南省中分仪器有限公司 | Insulating oil-sampling valve with multiple sampling ports |
| CN202008439U (en) * | 2011-04-08 | 2011-10-12 | 杭州市电力局 | Sampling device and oil sampling port connecting device |
| CN202351083U (en) * | 2011-12-06 | 2012-07-25 | 保定天威集团有限公司 | Oil sampling device |
| CN202599713U (en) * | 2012-06-05 | 2012-12-12 | 国电南京自动化股份有限公司 | Combined needle-shaped oil extraction valve for on-line monitoring of transformer oil |
| CN202992191U (en) * | 2012-12-20 | 2013-06-12 | 南车株洲电机有限公司 | Sampling device of transformer |
-
2012
- 2012-12-20 CN CN201210559052.3A patent/CN103047423B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3135753C2 (en) * | 1980-10-13 | 1985-01-24 | Kaj Virum Ottung | Lift valve |
| EP0623769A1 (en) * | 1993-05-07 | 1994-11-09 | Fujikin Incorporated | Control valve |
| CN2526817Y (en) * | 2001-10-31 | 2002-12-18 | 佟立辉 | Freeze-proof anti-theft pressure-taking sampler |
| CN201464220U (en) * | 2009-06-30 | 2010-05-12 | 河南省中分仪器有限公司 | Insulating oil-sampling valve with multiple sampling ports |
| CN202008439U (en) * | 2011-04-08 | 2011-10-12 | 杭州市电力局 | Sampling device and oil sampling port connecting device |
| CN202351083U (en) * | 2011-12-06 | 2012-07-25 | 保定天威集团有限公司 | Oil sampling device |
| CN202599713U (en) * | 2012-06-05 | 2012-12-12 | 国电南京自动化股份有限公司 | Combined needle-shaped oil extraction valve for on-line monitoring of transformer oil |
| CN202992191U (en) * | 2012-12-20 | 2013-06-12 | 南车株洲电机有限公司 | Sampling device of transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847946A (en) * | 2015-05-18 | 2015-08-19 | 国家电网公司 | Butterfly valve with upper valve cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103047423B (en) | 2015-09-09 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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