CN212932033U - Transformer insulating oil sampling device - Google Patents
Transformer insulating oil sampling device Download PDFInfo
- Publication number
- CN212932033U CN212932033U CN202021601099.8U CN202021601099U CN212932033U CN 212932033 U CN212932033 U CN 212932033U CN 202021601099 U CN202021601099 U CN 202021601099U CN 212932033 U CN212932033 U CN 212932033U
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- Prior art keywords
- oil
- pipe
- circulation
- sampling device
- taking
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- 238000005070 sampling Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 15
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 15
- 241001330002 Bambuseae Species 0.000 claims description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 15
- 239000011425 bamboo Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 10
- 239000003921 oil Substances 0.000 abstract 14
- 239000010723 turbine oil Substances 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a transformer insulating oil sampling device, which comprises a connecting pipe, an oil taking pipe and an oil drain valve; the rear end of the connecting pipe is connected with the left end of the oil taking pipe; the inner wall of the front section of the connecting pipe is provided with a connecting thread, and the back section of the connecting pipe is internally provided with a check valve; an oil drain valve is arranged at the rear end of the oil taking pipe, and a strip transparent window is transversely arranged on the oil taking pipe. The oil taking device meets the requirement of GBT7597-2007 electric oil (transformer oil and turbine oil) sampling method for fully sealing the oil taking process, avoids the loss of effective characteristic components in the oil caused by the fact that the device is in contact with air due to the fact that a special sealed sampling port is not arranged on the device, is more representative and accurate in sample taking, reduces misjudgment of a tester on the operation state of the device caused by sample distortion, and can directly and conveniently observe the oil taking process by arranging a transparent window on an oil taking pipe.
Description
Technical Field
The utility model belongs to the technical field of the oil is got to transformer, on-load tap-changer valve, concretely relates to transformer insulating oil sampling device.
Background
The main transformer, the transformer for the station and the on-load tap-changer oil valve in the existing network area can not meet the function of fully-sealed oil taking, and oil is easily affected by external factors such as moisture, surface dew of the oil pipe and the oil valve in the sampling process, so that the authenticity of the sampled oil is affected, the test result is distorted, and the misjudgment of a tester on the running state of equipment can be caused. In addition, the insulating oil is exposed to air for a long time, which may cause equipment failure due to moisture absorption. In addition, the flow of the oil taking pipe cannot be clearly observed in the oil taking process of the existing oil taking device, and particularly under the condition that impurities exist in a sampling valve, the situation that the sample is distorted and the like due to the fact that the deposited impurities at the sampling position are not completely discharged is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a transformer insulating oil sampling device to equipment such as current transformers exist at getting oil in-process can not the full leakproofness get oil, can not judge sample quality scheduling problem betterly.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a transformer insulating oil sampling device comprises a connecting pipe, an oil taking pipe and an oil discharging valve; the rear end of the connecting pipe is connected with the left end of the oil taking pipe; the inner wall of the front section of the connecting pipe is provided with a connecting thread, and the inner part of the rear section of the connecting pipe is provided with a check valve; the rear end of the oil taking pipe is provided with an oil drain valve, and a strip transparent window is transversely arranged on the oil taking pipe.
The left end of the oil taking pipe is provided with a check valve and the right end of the oil taking pipe is provided with an oil discharging valve. Before getting oil, will get the air evacuation in the oil pipe through the fuel outlet valve, directly cup joint the connecting pipe in the oil outlet of the original oil valve of transformer in getting oil process, then open the original oil valve of transformer, insulating oil flows to the connecting pipe in proper order from the oil-out and gets into and get oil pipe, observes the insulating oil outward appearance through rectangular transparent window, closes the oil valve on the transformer and can accomplish when insulating oil reaches required volume and get oil.
The utility model discloses explain further, rectangular transparent window is equipped with the assorted baffle outward, is equipped with on the baffle and draws the knot, the upside or the downside of rectangular transparent window are equipped with the spout, fix in the last border or the lower border embedding spout of baffle. The baffle plate is arranged to prevent the insulating oil from being affected by illumination. Baffle sliding connection gets in the spout on the oil pipe, when needs block out the light, through draw the knot with the baffle pulling can, convenient to use.
The utility model discloses explain further, be the circulation passageway in the connecting pipe back end, the right-hand member of circulation passageway is linked together with getting the oil pipe, is equipped with sealed boss in the left end of circulation passageway, is equipped with the circulation groove on the circulation passageway and on the right side of sealed boss, is equipped with fixed boss in the right-hand member of circulation passageway; the check valve is installed in the circulation passageway, the check valve includes a movable stopper section of thick bamboo and spring, the front end of a movable stopper section of thick bamboo is equipped with the sealing plug, sealing plug and sealed boss phase-match are equipped with a plurality of circulation mouth of circulation on the left end of a movable stopper section of thick bamboo, the circulation mouth is corresponding with the circulation groove position, the left end of spring is solid even on the inner wall of a movable stopper section of thick bamboo, the other end of spring passes a movable stopper section of thick bamboo right-hand member and links firmly on fixed boss.
In the oil taking process, insulating oil flows to the right end from the left end of the connecting pipe and enters the oil taking pipe, specifically, when the insulating oil flows, the movable plug cylinder is pressed to the right, the sealing plug leaves the sealing boss, the left end of the circulation passage is communicated with the circulation groove, the circulation port is communicated with the circulation groove, the spring is compressed at the moment, the insulating oil sequentially flows through the left end of the circulation passage, the circulation groove, the circulation port, the movable plug cylinder and the right end of the circulation passage and then enters the oil taking pipe, when the oil outlet valve of the transformer is closed, the sealing plug of the movable plug cylinder does not bear the thrust of the flowing insulating oil, the spring extends leftwards and is pushed into the left end of the circulation passage to be sealed, and at the moment, the insulating oil in the oil taking pipe is sealed.
The utility model discloses explain further, the fuel outlet valve passes through the mounting groove and installs the right-hand member at getting oil pipe, the fuel outlet valve includes ball sealer, connecting rod and switch knob, the ball sealer is installed in the mounting groove, the one end and the ball sealer of connecting rod are connected, the other end is worn out to get oil outside of tubes and is connected with switch knob, transversely is equipped with L type through-hole on the ball sealer, is equipped with logical oil pipe, oil pipe A and oil pipe B at the right-hand member of getting oil pipe, lead to oil pipe, oil pipe A and oil pipe B respectively with the mounting groove intercommunication and be "┤" type and distribute.
In this fuel outlet valve, have an oil pipe in oil pipe A and the oil pipe B to be the oil pipe that is used for the sample, have an oil pipe to be used for the evacuation air or carry out abluent oil pipe to getting the waste oil in the oil pipe, when the air that will get in the oil pipe is emptied, make logical oil pipe and oil pipe A or oil pipe B be connected through rotating the switch knob, then will get the air in the oil pipe through equipment such as outside vacuum aspiration pump and empty, rotate the switch knob and close the passageway after the air evacuation, then get oil, it can in the insulating oil duct sampling tube to emit behind the corresponding pipeline through rotating the switch knob after having got insulating oil.
The utility model discloses explain further, the front end outward flange of connecting pipe is equipped with the flange. This flange suits with the transformer insulating oil sampling tube that is equipped with on-load tap-changer, in the use, will have on-load tap-changer to get oil pipe lower extreme bolt and take off, will the utility model discloses a flange of getting oil device gets the oil pipe lower extreme through the bolt fastening at on-load tap-changer, screws up the bolt, then open on-load tap-changer get the valve on the oil pipe make insulating oil flow out can.
The utility model discloses explain further, get oil pipe's right-hand member and be equipped with sealed lid I.
The utility model discloses explain further, the left end of connecting pipe is equipped with sealed lid II.
The utility model discloses the beneficial effect who has as follows:
this sampling device reforms transform on original oil valve basis, does not cause the influence to transformer major structure. This get oily device can satisfy in the rule to getting oily process totally enclosed's requirement, has avoided because of the effective characteristic component loss in the oil that leads to with the air contact, and it is more accurate to get the sample, reduces the erroneous judgement to equipment running state because of the testing personnel that the sample distortion leads to, guarantees the power supply reliability to be equipped with rectangular transparent window on getting oily pipe, can very directly conveniently observe the in-process of getting oil.
Drawings
Fig. 1 is a schematic structural view of the oil extraction device of the present invention.
Fig. 2 is a schematic view of the internal structure of fig. 1.
Fig. 3 is a schematic structural diagram of the oil drain valve of the present invention.
Wherein, each icon and the corresponding part name are as follows:
1-connecting pipe, 2-taking oil pipe, 3-oil drain valve, 4-oil pipe A, 5-oil pipe B, 6-sealing cover I, 7-flange, 8-movable plug cylinder, 9-spring, 101-sealing boss, 102-circulation groove, 103-fixed boss, 201-strip transparent window, 202-baffle, 203-pull buckle, 301-sealing ball, 302-connecting rod, 303-switch knob, 801-sealing plug and 802-circulation port.
Detailed Description
The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.
Example 1:
the transformer insulating oil sampling device of the embodiment comprises a connecting pipe 1, an oil taking pipe 2 and an oil drain valve 3; the rear end of the connecting pipe 1 is connected with the left end of the oil taking pipe 2; the inner wall of the front section of the connecting pipe 1 is provided with a connecting thread, and the rear section of the connecting pipe 1 is internally provided with a check valve; get the rear end of oil pipe 2 and be equipped with fuel outlet valve 3, be equipped with rectangular transparent window 201 on getting oil pipe 2 transversely.
Example 2:
this example differs from example 1 in that: the rectangular transparent window 201 is equipped with assorted baffle 202 outward, is equipped with on the baffle 202 and draws knot 203, the upside or the downside of rectangular transparent window 201 are equipped with the spout, the top edge or the lower limb of baffle 202 are fixed in the embedding spout.
Example 3:
this example differs from example 1 in that: a circulation channel is arranged in the rear section of the connecting pipe 1, the right end of the circulation channel is communicated with the oil taking pipe 2, a sealing boss 101 is arranged in the left end of the circulation channel, a circulation groove 102 is arranged on the circulation channel and positioned on the right side of the sealing boss 101, and a fixing boss 103 is arranged in the right end of the circulation channel; the check valve is installed in the circulation passageway, the check valve includes that activity stopper section of thick bamboo 8 and spring 9 are filled in to the activity, the front end that activity stopper section of thick bamboo 8 is equipped with sealing plug 801, and sealing plug 801 and sealed boss 101 phase-match are equipped with a plurality of circulation mouth 802 of circulating on the left end that activity stopper section of thick bamboo 8, circulation mouth 802 is corresponding with circulation groove 102 position, the left end of spring 9 is solid even on the inner wall that activity stopper section of thick bamboo 8, the other end of spring 9 passes activity stopper section of thick bamboo 8 right-hand member and links firmly on fixed boss 103.
Example 4:
this example differs from example 1 in that: the right-hand member at getting oil pipe 2 is installed through the mounting groove to fuel outlet valve 3, fuel outlet valve 3 includes ball sealer 301, connecting rod 302 and shift knob 303, ball sealer 301 is installed in the mounting groove, the one end and the ball sealer 301 of connecting rod 302 are connected, the other end is worn out to get oil pipe 2 and is connected with shift knob 303 outward, is equipped with L type through-hole on ball sealer 301 is horizontal, is equipped with logical oil pipe, oil pipe A4 and oil pipe B5 at the right-hand member of getting oil pipe 2, logical oil pipe, oil pipe A4 and oil pipe B5 communicate with the mounting groove respectively and are "┤" type and distribute.
Example 5:
this example differs from example 1 in that: the outer edge of the front end of the connecting pipe 1 is provided with a flange 7.
Example 6:
this example differs from example 1 in that: the right end of the oil taking pipe 2 is provided with a sealing cover I6.
Example 7:
this example differs from example 6 in that: and a sealing cover II is arranged at the left end of the connecting pipe 1.
In the description of the present invention, it is to be understood that the terms "lateral", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The transformer insulating oil sampling device is characterized by comprising a connecting pipe (1), an oil taking pipe (2) and an oil drain valve (3); the rear end of the connecting pipe (1) is connected with the left end of the oil taking pipe (2); the inner wall of the front section of the connecting pipe (1) is provided with a connecting thread, and the inner part of the rear section of the connecting pipe (1) is provided with a check valve; the rear end of the oil taking pipe (2) is provided with an oil drain valve (3), and a long-strip transparent window (201) is transversely arranged on the oil taking pipe (2).
2. The transformer insulating oil sampling device according to claim 1, wherein a matched baffle (202) is arranged outside the long transparent window (201), a pull buckle (203) is arranged on the baffle (202), a sliding groove is formed in the upper side or the lower side of the long transparent window (201), and the upper edge or the lower edge of the baffle (202) is embedded into the sliding groove for fixing.
3. The transformer insulating oil sampling device according to claim 1, wherein a circulation passage is arranged inside the rear section of the connecting pipe (1), the right end of the circulation passage is communicated with the oil taking pipe (2), a sealing boss (101) is arranged in the left end of the circulation passage, a circulation groove (102) is arranged on the circulation passage and positioned on the right side of the sealing boss (101), and a fixing boss (103) is arranged in the right end of the circulation passage; the check valve is installed in the circulation passageway, the check valve includes that the activity fills in a section of thick bamboo (8) and spring (9), the front end that the activity filled in a section of thick bamboo (8) is equipped with sealing plug (801), sealing plug (801) and sealed boss (101) phase-match are equipped with a plurality of circulation mouth of circulation (802) on the left end of a section of thick bamboo (8) is filled in the activity, mouth of circulation (802) and circulation groove (102) position are corresponding, the left end of spring (9) is solid even on the inner wall of a section of thick bamboo (8) is filled in the activity, the other end of spring (9) passes a section of thick bamboo (8) right-hand member of movable stopper and links firmly on fixed boss.
4. The transformer insulating oil sampling device according to claim 1, wherein the oil drain valve (3) is installed at the right end of the oil taking pipe (2) through an installation groove, the oil drain valve (3) comprises a sealing ball (301), a connecting rod (302) and a switch knob (303), the sealing ball (301) is installed in the installation groove, one end of the connecting rod (302) is connected with the sealing ball (301), the other end of the connecting rod penetrates out of the oil taking pipe (2) and is connected with the switch knob (303), an L-shaped through hole is transversely formed in the sealing ball (301), an oil pipe A (4) and an oil pipe B (5) are arranged at the right end of the oil taking pipe (2), and the oil pipe, the oil pipe A (4) and the oil pipe B (5) are respectively communicated with the installation groove and distributed in an '┤' shape.
5. The transformer insulating oil sampling device according to claim 1, characterized in that the outer edge of the front end of the connection pipe (1) is provided with a flange (7).
6. The transformer insulating oil sampling device according to claim 1, wherein a sealing cover I (6) is arranged at the right end of the oil taking pipe (2).
7. The transformer insulating oil sampling device according to claim 1, wherein the left end of the connection pipe (1) is provided with a sealing cover II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021601099.8U CN212932033U (en) | 2020-08-05 | 2020-08-05 | Transformer insulating oil sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021601099.8U CN212932033U (en) | 2020-08-05 | 2020-08-05 | Transformer insulating oil sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212932033U true CN212932033U (en) | 2021-04-09 |
Family
ID=75334517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021601099.8U Withdrawn - After Issue CN212932033U (en) | 2020-08-05 | 2020-08-05 | Transformer insulating oil sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212932033U (en) |
-
2020
- 2020-08-05 CN CN202021601099.8U patent/CN212932033U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210409 Effective date of abandoning: 20231220 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210409 Effective date of abandoning: 20231220 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |