CN112461591B - Transformer single quantitative oil drain valve convenient for sampling detection - Google Patents
Transformer single quantitative oil drain valve convenient for sampling detection Download PDFInfo
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- CN112461591B CN112461591B CN202011096438.6A CN202011096438A CN112461591B CN 112461591 B CN112461591 B CN 112461591B CN 202011096438 A CN202011096438 A CN 202011096438A CN 112461591 B CN112461591 B CN 112461591B
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- valve
- valve rod
- oil
- side wall
- rod
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000005070 sampling Methods 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a transformer single quantitative oil drain valve convenient for sampling detection, which comprises a valve pipe, wherein one end of the valve pipe is closed, an oil drain nozzle is arranged on one side wall of the valve pipe close to the closed end, a valve rod is inserted in a sealing sliding manner at the closed end of the valve pipe, a valve handle is arranged at one end of the valve rod, which is positioned at the outer side of the valve pipe, and one end of the valve rod, which is far away from the valve handle, extends to one end, which is far away from the valve handle, of the valve pipe and is provided with a positioning frame. According to the invention, the valve core generates negative pressure suction, the rotary table and the fixed disk relatively rotate to conduct the valve pipe through rotating the valve rod and the locating frame, and the oil discharging mode is changed through locating the valve core through the annular limiting sleeve and the locating frame, so that single quantitative oil discharging detection can be performed, rapid emptying and cleaning can be performed, and the transformer oil in the oil tank can be prevented from being polluted.
Description
Technical Field
The invention relates to the field of transformers, in particular to a single quantitative oil drain valve of a transformer, which is convenient for sampling detection.
Background
The oil immersed transformer submerges the transformer iron core and the winding through the transformer oil, so that an insulation effect can be achieved, the transformer iron core and the transformer winding can be enabled to rapidly dissipate heat, the quality of the transformer oil is crucial, and therefore oil drain sampling detection needs to be carried out on the transformer oil through a transformer oil drain valve regularly.
The existing oil drain valve only has the function of switching oil drain, transformer oil and external air are in direct contact in the oil drain process, impurities and water vapor in the external air can pollute the transformer oil, so that the quality of the transformer oil can be reduced after each sampling detection, and the oil drain is enabled to be unequal through direct switching oil drain.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, when oil is discharged, the transformer oil is directly contacted with the outside air to cause the pollution of the transformer oil in an oil tank, and the oil discharge quantity is unequal each time when the oil is discharged by direct switching, and provides a single quantitative oil discharge valve of a transformer, which is convenient for sampling detection.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the single quantitative oil drain valve of the transformer convenient for sampling detection comprises a valve pipe, wherein one end of the valve pipe is closed, an oil drain nozzle is arranged on one side wall of the valve pipe close to the closed end, a valve rod is inserted in a sealing sliding manner at the closed end of the valve pipe, a valve handle is arranged at one end of the valve rod, which is positioned outside the valve pipe, a positioning frame is arranged at one end, which is far away from the valve handle, of the valve rod, which is extended to one end, which is far away from the valve handle, of the valve pipe, the outer side wall of the positioning frame is symmetrically provided with a plurality of positioning rods, and a plurality of inserting rods are arranged on one side wall of the positioning frame close to the valve handle;
the valve rod is sleeved with a sliding sleeve in a sliding manner, a fixed disc is fixedly arranged on the side wall of one end of the sliding sleeve, a plurality of first oil holes are formed in the fixed disc, a rotary table is rotatably arranged on the side wall of one end, far away from the fixed disc, of the sliding sleeve, a plurality of second oil holes are formed in the rotary table, and a plurality of jacks corresponding to a plurality of inserting rods are formed in the side wall, close to the positioning frame, of the rotary table;
a section of the valve tube positioned between the fixed disc and the closed end is provided with a valve core in a sliding manner, the valve core is fixedly sleeved on the valve rod, and a plurality of diversion holes are symmetrically formed in the side wall of the valve tube positioned between the fixed disc and the closed end;
an annular limiting sleeve is arranged on one section of side wall of the valve pipe between the locating frame and the sliding sleeve, and a plurality of first limiting channels, a plurality of second limiting channels and a plurality of third limiting channels are symmetrically arranged on the inner side wall of the annular limiting sleeve respectively.
Preferably, the fixed disk is in sealing rotation connection with the rotary disk, and the valve rod is in sealing rotation connection with the valve pipe.
Preferably, the length of the valve core is smaller than or equal to the span of the diversion hole.
Preferably, each of the adjacent first limiting channel, second limiting channel and third limiting channel is a group and corresponds to the positioning rod.
The invention has the following beneficial effects:
1. pulling the valve rod produces the negative pressure through the case and draws out the transformer oil in the oil tank to the valve intraductal, make through inserted bar and jack and rotate the valve rod and drive the carousel rotation for first oilhole and second oilhole are to Ji Daotong, transformer oil enters into case department, close first oilhole and second oilhole through rotating the valve rod, promote the valve rod and make the case with the little transformer oil of taking out impress the case through the water conservancy diversion hole and be close to one side of blind end and follow the glib talker and flow, realize single ration oil drain, make the inside transformer oil of oil tank mix with external impurity, both realized sampling detection, also can not pollute the transformer oil, and the volume of drawing at every turn is equal.
2. Through the first spacing passageway, the spacing passageway of second and the spacing passageway of third on the annular stop collar make the locating rack can pass through the locating lever along first spacing passageway, spacing passageway of second and spacing passageway of third, make it realize different modes, make the inserted bar on the locating rack insert in the jack of carousel completely through first spacing passageway promptly, realize rotating the function of carousel, when can making the locating rack back remove through the spacing passageway of second, restrict in specific position, make the case can be located the centre of water conservancy diversion hole, realize water conservancy diversion hole direct communication glib talker and valve pipe, realize quick empty oil drain, can be stopped and keep the connection of inserted bar and jack when making the locating rack back remove through the spacing passageway of third, realize quantitative oil drain locking's function, the convenience of operation is increased.
In summary, the valve core generates negative pressure suction, the rotary table and the fixed disc relatively rotate to conduct the valve pipe through rotating the valve rod and the locating frame, the oil discharging mode is changed through locating the valve core through the annular limiting sleeve and the locating frame, single quantitative oil discharging detection can be carried out, rapid emptying and cleaning can be carried out, and the transformer oil in the oil tank can be prevented from being polluted.
Drawings
FIG. 1 is a schematic diagram of a single quantitative oil drain valve of a transformer for facilitating sampling detection;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of a positioning frame portion of a single quantitative oil drain valve of a transformer for facilitating sampling detection according to the present invention;
FIG. 4 is an enlarged view of a part of an annular limiting sleeve of a single quantitative oil drain valve of a transformer, which is convenient for sampling detection;
fig. 5 is a schematic diagram illustrating the operation of a single quantitative oil drain valve of a transformer for facilitating sampling detection according to the present invention.
In the figure: the valve comprises a valve pipe 1, a diversion hole 11, a discharge nozzle 12, a valve rod 2, a valve handle 21, a valve core 22, an annular limiting sleeve 3, a first limiting channel 31, a second limiting channel 32, a third limiting channel 33, a locating frame 4, a locating rod 41, a plug rod 42, a sliding sleeve 5, a fixed disc 6, a first oil hole 61, a rotary disc 7, a second oil hole 71 and a plug hole 72.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, a single quantitative oil drain valve of a transformer convenient for sampling detection comprises a valve tube 1, wherein one end of the valve tube 1 is closed, an oil drain nozzle 12 is arranged on one side wall of the valve tube 1 close to the closed end, a valve rod 2 is inserted in a sealing sliding manner at the closed end of the valve tube 1, a valve handle 21 is arranged at one end of the valve rod 2 positioned at the outer side of the valve tube 1, one end of the valve rod 2 away from the valve handle 21 extends to one end of the valve tube 1 away from the valve handle 21 and is provided with a positioning frame 4, a plurality of positioning rods 41 are symmetrically arranged on the outer side wall of the positioning frame 4 close to the valve handle 21, and a plurality of inserting rods 42 are arranged on one side wall of the positioning frame 4 close to the valve handle 21;
the valve rod 2 is sleeved with a sliding sleeve 5 in a sliding manner, a fixed disc 6 is fixedly arranged on one side wall of one end of the sliding sleeve 5, a plurality of first oil holes 61 are formed in the fixed disc 6, a rotary disc 7 is rotatably arranged on one side wall of one end, far away from the fixed disc 6, of the sliding sleeve 5, a plurality of second oil holes 71 are formed in the rotary disc 7, and a plurality of jacks 72 corresponding to a plurality of inserting rods 42 are formed in one side wall, close to the positioning frame 4, of the rotary disc 7;
a section of the valve tube 1 positioned between the fixed disc 6 and the closed end is provided with a valve core 22 in a sliding manner, the valve core 22 is fixedly sleeved on the valve rod 2, and a plurality of diversion holes 11 are symmetrically formed in the side wall of the valve tube 1 positioned between the fixed disc 6 and the closed end;
an annular limiting sleeve 3 is arranged on one section of side wall of the valve tube 1 between the locating frame 4 and the sliding sleeve 5, and a plurality of first limiting channels 31, a plurality of second limiting channels 32 and a plurality of third limiting channels 33 are symmetrically arranged on the inner side wall of the annular limiting sleeve 3.
The fixed disk 6 is in sealing rotation connection with the rotary disk 7, the valve rod 2 is in sealing rotation connection with the valve tube 1, the positioning frame 4 is inserted into the insertion hole 72 through the insertion rod 42 to rotate the rotary disk 7 so that the second oil hole 71 is aligned with the first oil hole 61, and then the valve tube 1 is conducted.
The length of the valve core 22 is equal to or less than the span of the pilot hole 11, so that the valve core 22 can realize two states of blocking the pilot hole 11 and unblocking the pilot hole 11.
Each of the adjacent first limiting channels 31, second limiting channels 32 and third limiting channels 33 is a group and corresponds to the positioning rod 41, the positioning rod 41 can enable the inserted rod 42 to be inserted into the insertion hole 72 through the first limiting channel 31, the positioning rod 41 returns to enable the valve core 22 to be located between spans of the diversion holes 11 through the second limiting channels 32, the diversion holes 11 are fully opened, a function of quick oil discharge cleaning is achieved, the positioning rod 41 returns to enable the valve core 22 to be close to the closed end of the valve pipe 1 through the third limiting channels 33, and transformer oil can be sucked into the valve pipe 1 and is not in contact with the outside.
When the oil-discharging quantitative oil-discharging device is used, oil is discharged quantitatively once: pulling the valve rod 2 to enable the positioning frame 4 to move and enable the positioning rod 41 to move along the first limiting channel 31 to the inserting rod 42 to be inserted into the inserting hole 72, at the moment, the valve core 22 is pulled to the closed end of the valve tube 1 by the valve rod 2, rotating the valve rod 2 to enable the positioning frame 4 to drive the turntable 7 to rotate and enable the positioning rod 41 to be positioned in the third limiting channel 33, enabling the second oil hole 71 to be aligned with the first oil hole 61, enabling transformer oil to enter the valve tube 1 and flow into the valve core 22, then reversing the valve rod 2 to enable the first oil hole 61 and the second oil hole 71 to be misplaced to seal the valve tube 1 and enable the positioning rod 41 to be positioned in the first limiting channel 31, pushing the valve rod 2 to enable the valve core 22 to move, enabling quantitatively extracted transformer oil to enter the other side of the valve core 22 along the guide hole 11 and to be discharged along the oil discharging nozzle 12, realizing single quantitative oil discharging, and enabling transformer oil in the oil tank to be not directly contacted with the outside in the sampling process to cause pollution;
quick oil discharge cleaning: pulling the valve rod 2 makes the locating rack 4 move and makes the locating rod 41 move along the first limiting channel 31 to the insert rod 42 to insert into the jack 72, rotating the valve rod 2 makes the locating rack 4 rotate the rotary disc 7 to align the second oil hole 71 with the first oil hole 61, then rotating the valve rod 2 and pushing the locating rod 41 to reversely move along the second limiting channel 32 to the condition that pushing is impossible, so that the valve core 22 is positioned between spans of the diversion holes 11, the whole valve pipe is conducted, transformer oil is directly discharged along the diversion holes 11 and the oil drain 12, and quick oil discharge cleaning is realized.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The utility model provides a single ration oil drain valve of transformer convenient to sampling detects, includes valve pipe (1), its characterized in that, the one end of valve pipe (1) is sealed, install glib talker (12) on the side wall that valve pipe (1) is close to the blind end, the blind end of valve pipe (1) is sealed to slide and is inserted and be equipped with valve rod (2), valve rod (21) are installed to the one end that valve rod (2) are located valve pipe (1) outside, valve rod (2) are kept away from valve rod (21) one end that valve rod (2) are extended to valve pipe (1) in keep away from valve rod (21) one end and install locating rack (4), a plurality of locating levers (41) are installed to the lateral wall symmetry of locating rack (4), install a plurality of inserted bars (42) on the side wall that locating rack (4) are close to valve rod (21);
the valve rod (2) is sleeved with a sliding sleeve (5) in a sliding manner, a fixed disc (6) is fixedly arranged on one end side wall of the sliding sleeve (5), a plurality of first oil holes (61) are formed in the fixed disc (6), a rotary disc (7) is rotatably arranged on one end side wall, far away from the fixed disc (6), of the sliding sleeve (5), a plurality of second oil holes (71) are formed in the rotary disc (7), and a plurality of jacks (72) corresponding to a plurality of inserted rods (42) are formed in one side wall, close to the positioning frame (4), of the rotary disc (7);
a section of the valve tube (1) positioned between the fixed disc (6) and the closed end is slidably provided with a valve core (22), the valve core (22) is fixedly sleeved on the valve rod (2), a plurality of diversion holes (11) are symmetrically formed in the side wall of the valve tube (1) positioned between the fixed disc (6) and the closed end, and the length of the valve core (22) is smaller than or equal to the span of the diversion holes (11);
an annular limiting sleeve (3) is arranged on one section of side wall of the valve pipe (1) between the locating frame (4) and the sliding sleeve (5), and a plurality of first limiting channels (31), a plurality of second limiting channels (32) and a plurality of third limiting channels (33) are symmetrically arranged on the inner side wall of the annular limiting sleeve (3) respectively.
2. A single-shot quantitative oil drain valve for a transformer, which is convenient for sampling detection, according to claim 1, and is characterized in that the fixed disc (6) is in sealed rotary connection with the rotary disc (7), and the valve rod (2) is in sealed rotary connection with the valve tube (1).
3. A single-shot quantitative oil drain valve for a transformer for facilitating sampling detection according to claim 1, wherein each of the adjacent first limiting channel (31), second limiting channel (32) and third limiting channel (33) is a group and corresponds to a positioning rod (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096438.6A CN112461591B (en) | 2020-10-14 | 2020-10-14 | Transformer single quantitative oil drain valve convenient for sampling detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096438.6A CN112461591B (en) | 2020-10-14 | 2020-10-14 | Transformer single quantitative oil drain valve convenient for sampling detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112461591A CN112461591A (en) | 2021-03-09 |
| CN112461591B true CN112461591B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011096438.6A Active CN112461591B (en) | 2020-10-14 | 2020-10-14 | Transformer single quantitative oil drain valve convenient for sampling detection |
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| CN (1) | CN112461591B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324057B (en) * | 2021-05-19 | 2023-07-07 | 华翔翔能科技股份有限公司 | Visual oily formula transformer oil drain valve of fluid |
| CN115854151A (en) * | 2022-11-30 | 2023-03-28 | 贵州电网有限责任公司 | Portable oil injection system based on oil immersed mutual inductor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580453A (en) * | 1984-11-13 | 1986-04-08 | Taylor Julian S | Gear case oil sampler |
| CN2341140Y (en) * | 1998-07-02 | 1999-09-29 | 王允彬 | Sampling valve for oil filled electric power equipment |
| DE202015106617U1 (en) * | 2015-12-04 | 2016-03-04 | Borgward Trademark Holdings Gmbh | Oil drain valve device for an oil pan |
| CN106151540A (en) * | 2016-07-05 | 2016-11-23 | 正茂阀门有限公司 | Adjustable quantitative sampling valve |
| CN107063751A (en) * | 2017-04-05 | 2017-08-18 | 国网浙江台州市路桥区供电公司 | A kind of head space formula vacuum draws oil sample method |
| CN207866566U (en) * | 2018-03-09 | 2018-09-14 | 广西电网有限责任公司桂林供电局 | Transformer oil vacuum quantitative sampling instrument |
-
2020
- 2020-10-14 CN CN202011096438.6A patent/CN112461591B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580453A (en) * | 1984-11-13 | 1986-04-08 | Taylor Julian S | Gear case oil sampler |
| CN2341140Y (en) * | 1998-07-02 | 1999-09-29 | 王允彬 | Sampling valve for oil filled electric power equipment |
| DE202015106617U1 (en) * | 2015-12-04 | 2016-03-04 | Borgward Trademark Holdings Gmbh | Oil drain valve device for an oil pan |
| CN106151540A (en) * | 2016-07-05 | 2016-11-23 | 正茂阀门有限公司 | Adjustable quantitative sampling valve |
| CN107063751A (en) * | 2017-04-05 | 2017-08-18 | 国网浙江台州市路桥区供电公司 | A kind of head space formula vacuum draws oil sample method |
| CN207866566U (en) * | 2018-03-09 | 2018-09-14 | 广西电网有限责任公司桂林供电局 | Transformer oil vacuum quantitative sampling instrument |
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| CN112461591A (en) | 2021-03-09 |
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Effective date of registration: 20231115 Address after: No. 161 Jinniushan Street East, Yingkou City, Liaoning Province, 115000 Applicant after: Yingkou Zhongcheng Electric Power Equipment Manufacturing Co.,Ltd. Address before: 311606 building 13, No.5 HUTANG Road, xiaya Town, Jiande City, Hangzhou City, Zhejiang Province Applicant before: Liu Chunquan |
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