CN202992191U - Sampling device of transformer - Google Patents
Sampling device of transformer Download PDFInfo
- Publication number
- CN202992191U CN202992191U CN 201220711219 CN201220711219U CN202992191U CN 202992191 U CN202992191 U CN 202992191U CN 201220711219 CN201220711219 CN 201220711219 CN 201220711219 U CN201220711219 U CN 201220711219U CN 202992191 U CN202992191 U CN 202992191U
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- Prior art keywords
- sampling
- valve body
- transformer
- sampler
- swingle
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- Withdrawn - After Issue
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Abstract
The utility model discloses a sampling device of a transformer. The sampling device used for sampling through a sampling valve of the transformer comprises a shell (1) and a rotating rod (2), wherein the shell is provided with an inner cavity, a sampling inlet (11) and a sampling outlet (2), the inner cavity is used for holding a valve body of the sampling valve, the sampling inlet (11) is used for allowing the valve body to enter the inner cavity, and the sampling outlet (12) is used for outputting samples; the rotating rod is sleeved in the inner cavity and provided with a fixed end and a driving end, the fixed end is connected with a valve plug of the valve body, and the driving end extends out of the shell (1). The valve body of the sampling valve of the transformer is started and samples in the inner cavity of the shell, so contact time of the samples and the outside is effectively shortened, and contamination of the samples exposed in the outside air is avoided. Further, splashing of the samples during discharge is effectively avoided, operation cleanness is improved, and harmful effect on physical health of operators is eliminated.
Description
Technical field
The utility model 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, and extracts the generally extraction of the sample cock bottom transformer of 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 valve body, and fluid is flowed in sampling container by the sample tap of valve body.Usually, also be provided with valve gap on 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 transformer is taken a sample, open valve plug with spanner, ground tool plug vial directly is placed on below sample cock, fluid flows in sampling bottle through the bottle wall of sample tap along ground tool plug vial.If transformer oil is carried out moisture, gassiness when detecting, extract fluid with the glass needle tubing from ground tool plug vial.
But, be exposed in ambient air in the process due to fluid sampling, inevitably can make sampling be subjected to outside contamination, and in 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 the also Health cost of reduction to the operative employee of outside contamination, has become those skilled in the art's problem demanding prompt solution.
The model utility content
In view of this, the utility model provides a kind of transformer sampler, has avoided sampling to be subject to outside contamination, and, reduced the Health cost to the operative employee.
For achieving the above object, the utility model 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 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 described stop valve body, be used for the switch knob of controlling its unlatching and closing;
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 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 described housing, be provided with seal arrangement between described connecting tube and 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 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 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 transformer flows into inner chamber by valve body and is flowed out by sample cock, through sampling outlet inflow sampling container.After sampling was completed, the drive end of counter-rotation swingle made valve plug rotate and blocks valve body, the sampling in inner chamber is emptying after with valve body by taking out in inner chamber, and valve gap is placed on valve body, complete the primary sample operation.
Can find out from above-mentioned technological scheme, the transformer sampler that the utility model provides, by the valve body of transformer sample cock is opened and is taken a sample at the inner chamber of housing, effectively reduce sampling and the extraneous time that contact, having avoided taking a sample is exposed in 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 utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, 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 utility model embodiment;
The sampling schematic diagram of the transformer sampler that Fig. 2 provides for the utility model embodiment when fluid pressure test or oily physics and chemistry detect;
The sampling schematic diagram of transformer sampler when detecting fluid water content or air content that Fig. 3 provides for the utility model embodiment.
Embodiment
The utility model 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 utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, the structural representation of the transformer sampler that Fig. 1 provides for the utility model embodiment.
The utility model embodiment 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 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 sampling import 11, and makes valve plug on 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 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 was completed, the drive end of counter-rotation swingle 2 made valve plug rotate and blocks valve body, the sampling in inner chamber is emptying after with valve body by taking out in inner chamber, and valve gap is placed on valve body, complete the primary sample operation.
The transformer sampler that the utility model embodiment provides, by the valve body of transformer sample cock is opened and is taken a sample at the inner chamber of housing 1, effectively reduce sampling and the extraneous time that contact, having avoided taking a sample is exposed in 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.
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 coordinates 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.
Be arranged at the bottom of transformer due to sample cock, 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 utility model embodiment 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 utility model embodiment provides also comprises the flexible pipe B that is arranged on 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 conical head, with the frictional force of raising hose coupling 33 with flexible pipe B joint, avoid flexible pipe B by hose coupling 33 slippages.Can also be 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 diagram of the transformer sampler that Fig. 2 provides for the utility model embodiment 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 inner chamber; Flexible pipe B is stretched in vial C away from an end of hose coupling 33, open stop valve 3, make sampling flow into vial C until sampling is completed by transformer; Rotate swingle 2, make valve plug block the closing operation that valve body is completed 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 diagram of transformer sampler when detecting fluid water content or air content that Fig. 3 provides for the utility model embodiment.
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 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 make sampling be flowed out by transformer, discharge the impurity in the transformer sampler; After a period of time, regulating three-way valve D makes flexible pipe B be communicated with glass needle tubing E, and glass needle tubing E takes a sample until complete; Rotate swingle 2, make valve plug block the closing operation that valve body is completed 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 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 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, make extruding 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, due to being threaded of end ring 4 and connecting tube, reaches the effect that promotes extruding circle 52 by rotation end ring 4.
Further, sealing gasket 51 is the fluosilicic rubber gasket.
For the ease of rotating swingle 2, the transformer sampler that the utility model embodiment 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.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and other embodiments' difference that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model 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, be 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 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 described stop valve body (31), be used for the switch knob (32) of controlling its unlatching and closing;
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 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 described housing (1), is provided with seal arrangement (5) between described connecting tube and 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 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. transformer sampler as described in claim 1-9 any one, is characterized in that, described drive end is fixedly connected with rotary spanner (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711219 CN202992191U (en) | 2012-12-20 | 2012-12-20 | Sampling device of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711219 CN202992191U (en) | 2012-12-20 | 2012-12-20 | Sampling device of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202992191U true CN202992191U (en) | 2013-06-12 |
Family
ID=48563372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220711219 Withdrawn - After Issue CN202992191U (en) | 2012-12-20 | 2012-12-20 | Sampling device of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202992191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047423A (en) * | 2012-12-20 | 2013-04-17 | 南车株洲电机有限公司 | Sampling device of transformer |
-
2012
- 2012-12-20 CN CN 201220711219 patent/CN202992191U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047423A (en) * | 2012-12-20 | 2013-04-17 | 南车株洲电机有限公司 | Sampling device of transformer |
| CN103047423B (en) * | 2012-12-20 | 2015-09-09 | 南车株洲电机有限公司 | Transformer sampler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20150909 |
|
| RGAV | Abandon patent right to avoid regrant |