CN206540726U - Draw oil sample utensil - Google Patents
Draw oil sample utensil Download PDFInfo
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- CN206540726U CN206540726U CN201720213198.0U CN201720213198U CN206540726U CN 206540726 U CN206540726 U CN 206540726U CN 201720213198 U CN201720213198 U CN 201720213198U CN 206540726 U CN206540726 U CN 206540726U
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- fuel tap
- oil
- closing element
- valve seat
- valve
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Abstract
Drawn oil sample utensil the utility model discloses one kind, including taking fuel tap body, it is described to take fuel tap body to include valve seat and valve rod, the valve seat draws oil pocket provided with what is run through, the valve stem slides are arranged in described draw in oil pocket, and the valve rod, provided with the thimble for stretching out the valve seat end, the hoodle that the thimble drives fuel outlet valve in current transformer for pushing up makes oil sample draw oil pocket described in；Fuel tap opening and closing element for driving the valve rod telescopic moving, the fuel tap opening and closing element slip cap is loaded on the valve seat and abuts cooperation with the valve rod, and the fuel tap opening and closing element goes out oil pocket and oil outlet provided with what is be interconnected, it is described go out oil pocket connected with the oil pocket that draws.The operation of drawing oil sample of oil-immerged inversed current transformer can be not only so perfectly suitable for, takes oily functional reliability high, good airproof performance, and its mode of operation is simple.
Description
Technical field
The utility model is related to electrical equipment detection technique field, and more particularly to one kind draws oil sample utensil.
Background technology
Transformer is one of indispensable visual plant in power system power transmission and distribution project, according to cooling medium not
Together, it is divided into the gas-insulated transformer that oil immersion type mutual-inductor, dry type mutual inductor and SF6 gases are major insulation.Oil-immersed current is mutual
Sensor is main using transformer oil as insulation and heat eliminating medium, and produced heat is transmitted to metal shell by transformer oil during operation
And distribute, insulating properties recoverable feature uniform with rapid heat dissipation, conduction, and product structure is simple, manufacture and operation warp
Test that abundant, reliable, manufacturing cost is relatively low, electric property can meet the requirement of power system.Therefore, oil-immersed current mutual inductance
Device is widely used in high pressure and extra-high voltage Force system.
Dissolved gas analysis technology is based on oil dissolved gas component and internal fault type, nature of trouble, event
The corresponding relation of barrier degree, the gas being dissolved in oil is analyzed using gas chromatograph, according to the component of gas and various gases
Content judge inside transformer whether there is abnormal conditions, diagnose its fault type, position, the order of severity and development trend.In addition,
It is also the important means for evaluating insulation oil quality that current transformer insulating oil moisture, density, flash-point etc., which are tested,.Above-mentioned experiment
Completion is required to periodically take oil to current transformer.Oily process is taken to ensure that sealing is good, it is necessary to exclude air plankton
Influence, meanwhile, take oily process rigorous, the sample for taking oil to obtain there must be ability effective evaluation electric current representative enough mutual
The working condition of sensor.At present, the special-purpose taking oil suitable for oil-immerged inversed current transformer special construction is also lacked on the market
Sample utensil, is that the sampling work of transformer oil brings puzzlement；In addition, there is certain difference again in the fuel tap design of different manufacturers,
Especially for ball bead type fuel outlet valve, also lack the utensil that draws oil sample that sealing is good, easy to operate, flow velocity is controllable.
The content of the invention
Based on this, the utility model is to overcome the defect of prior art to be drawn oil sample utensil there is provided one kind, can be preferably
Simple to operate suitable for the operation of drawing oil sample of oil-immerged inversed current transformer, functional reliability is high.
Its technical scheme is as follows：
One kind draws oil sample utensil, including：
Fuel tap body is taken, described to take fuel tap body to include valve seat and valve rod, the valve seat draws oil pocket, the valve rod provided with what is run through
Slip is drawn in oil pocket described in being arranged in, and the valve rod, provided with the thimble for stretching out the valve seat end, the thimble is opened for top
The hoodle of fuel outlet valve makes oil sample draw oil pocket described in current transformer；And
Fuel tap opening and closing element for driving the valve rod telescopic moving, the fuel tap opening and closing element slip cap is loaded on the valve seat
It is upper and can abut cooperations with the valve rod, and the fuel tap opening and closing element goes out oil pocket and oil outlet provided with interconnected, it is described go out
Oil pocket is connected with the oil pocket that draws.
The above-mentioned utensil that draws oil sample is that valve stem slides are arranged in and draw oil afterwards by drawing oil pocket through setting in the inside of valve seat
Intracavitary simultaneously ensures that thimble stretches out the end of valve seat；Fuel tap opening and closing element slip cap is mounted on valve seat afterwards and makes itself and valve stem end
Abut.When being operated when draw oil sample, fuel tap body will be taken to be arranged on current transformer, turn fuel tap opening and closing element is so as to push away afterwards
Ovable valve stem is protruding, and now the hoodle of fuel outlet valve in current transformer is opened on the thimble top of valve stem end, so that transformer oil
Oil pocket is drawn in inflow, afterwards successively from go out oil pocket and oil outlet outflow completion take oily operation.So it can not only be perfectly suitable for
The operation of drawing oil sample of oil-immerged inversed current transformer, takes oily functional reliability high, good airproof performance, and its mode of operation is simple.
Technical scheme is further described below：
In one of the embodiments, it is described to take fuel tap body also to include the top coordinated with the inwall gap for taking oil pocket
Seat, the footstock is connected in the valve rod close to one end of the fuel tap opening and closing element, and the footstock and the fuel tap opening and closing element
Cooperation can be abutted.Thus by coupling footstock in the end of valve rod, the contact area of valve rod and fuel tap opening and closing element can be improved more
Greatly, so as to so that the movement of valve rod is more stablized and reliable.
In one of the embodiments, it is described to take fuel tap body also to include being used to compress the automatically reset elasticity of the valve rod
Part, the inwall of the valve seat is convexly equipped with positioning boss to center position, and the elastic press part, which is compressed, is arranged at the convex
Between platform and the footstock.Elastic press part thus is set by being compressed between positioning boss and footstock, oil is taken in order to work as
At the end of operation, footstock is promoted to move back so that valve rod is automatically disengaged and fuel outlet valve hoodle under the screen resilience effect of elastic press part
Abutting, avoid leaking so as to the automatic fuel outlet valve for closing current transformer, lift the operation facility drawn oil sample
Property and reliability.
In one of the embodiments, in addition to first seal, the periphery wall of the valve seat is provided with the first seal groove,
The first seal is embedded in first seal groove and coordinated with the inner wall sealing of the fuel tap opening and closing element.Thus pass through
First seal is embedded in the first seal groove and coordinates first seal and the inner wall sealing of fuel tap opening and closing element, thus can
To prevent from taking fuel tap body to leak when taking oil, be conducive to improving sealing property and functional reliability.
In one of the embodiments, periphery wall of the valve seat close to described fuel tap opening and closing element one end is provided with outside first
Screw thread, the internal perisporium of the fuel tap opening and closing element is provided with internal thread, and the internal thread coordinates with the first external screw thread screw thread.Cause
And be connected by the first external screw thread with internal thread, it is not only convenient for realizing that the installation of fuel tap opening and closing element and valve seat is fixed, while also just
In realize fuel tap opening and closing element on valve seat slip so as to flexibly control valve rod movement take oil open and close or take oil
Oil mass.
In one of the embodiments, the periphery wall convex of the valve seat, which is provided with, is used to prevent the fuel tap opening and closing element mistake
Mobile limited step is spent, the limited step abuts cooperation with the end face of the fuel tap opening and closing element.Thus by valve seat
Set limited step, realized when fuel tap opening and closing element is slided on valve seat spacing, it is to avoid the excessive movement of fuel tap opening and closing element and cause
Valve rod excessively stretches out and pushed up the fuel outlet valve of bad current transformer.
In one of the embodiments, the valve seat also includes linkage section, and the periphery wall of the linkage section, which is provided with, to be used to take
When oily and current transformer internal thread connection the second external screw thread.Thus by being set on the periphery wall of the linkage section of valve seat
Second external screw thread, in order to draw oil sample operation when take the installation of fuel tap body and current transformer to fix, and the connected mode it is simple,
Reliably, it is convenient to mount and dismount.
In one of the embodiments, in addition to second seal, the periphery wall of the linkage section is additionally provided with the second sealing
Groove, the second seal is embedded at second seal groove and coordinated with the inner wall sealing of current transformer.Thus by
Second seal is embedded in second seal groove and second seal is abutted with the inwall of current transformer, thus can be prevented
Take fuel tap body to occur oil liquid leakage when drawing oil sample, be conducive to improving the sealing property and functional reliability for the utensil that draws oil sample.
In one of the embodiments, the valve seat is provided with close to the periphery wall also convex of the linkage section and is used to take oil
When take fuel tap body and current transformer that the positioning step of positioning is installed.Thus by being set in valve seat on the periphery wall of linkage section
Positioning step is put, being easy to draw oil sample when utensil is assembled with current transformer positions, be conducive to improving installation accuracy, it is ensured that draw oil sample
Operation is reliable.
In one of the embodiments, the thief hatch connected with the oil outlet, institute are additionally provided with the fuel tap opening and closing element
Stating thief hatch is used to recover the oil to try to have with standard to be connected.Thus by installing thief hatch on fuel tap opening and closing element, and make thief hatch with
The empty connection in outlet, is so easy to be connected to carry out oil sample detection experiment, while being conducive to lifting to draw oil sample with standard oil recovery examination tool
The ease of use and the scope of application of utensil.
Brief description of the drawings
Fig. 1 is the structural representation of the utensil that draws oil sample described in the utility model embodiment.
Description of reference numerals：
100th, fuel tap body is taken, 110, valve seat, 111, draw oil pocket, 112, positioning boss, the 113, first seal groove, 114, first
External screw thread, 115, limited step, 116, linkage section, 116a, the second external screw thread, 116b, the second seal groove, 117, positioning step,
120th, valve rod, 121, thimble, 130, footstock, 140, elastic press part, 200, fuel tap opening and closing element, 210, go out oil pocket, 220, fuel-displaced
Hole, 230, internal thread, 300, first seal, 400, second seal, 500, thief hatch.
Embodiment
It is below in conjunction with accompanying drawing and specifically real for the purpose of this utility model, technical scheme and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be appreciated that embodiment described herein
Only to explain the utility model, protection domain of the present utility model is not limited.
It should be noted that when element is referred to as " being fixedly arranged on ", " being arranged at " or " install in " another element, it can be with
Directly on another element or there can also be an element placed in the middle.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements；One element and another element
The concrete mode being fixedly connected can be achieved by the prior art, and will not be repeated here, it is preferred to use the fixation side of threaded connection
Formula.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more
The arbitrary and all combination of related Listed Items.
" first " described in the utility model, " second " do not represent specific quantity and order, are only used for title
Distinguish.
As shown in figure 1, drawn oil sample utensil for one kind that the utility model is shown, including：Fuel tap body 100 is taken, it is described to take oil
Valve body 100 includes valve seat 110 and valve rod 120, and the valve seat 110 draws oil pocket 111 provided with what is run through, and the valve rod 120 is slided and worn
Draw located at described in oil pocket 111, and the valve rod 120 is provided with the thimble 121 for stretching out the end of valve seat 110, the thimble 121
The hoodle of fuel outlet valve in current transformer is opened for pushing up makes oil sample draw oil pocket 111 described in；And for driving the valve rod 120
The fuel tap opening and closing element 200 of telescopic moving, the slip cap of fuel tap opening and closing element 200 loaded on the valve seat 110 and with the valve rod
120 can abut cooperation, and the fuel tap opening and closing element 200 goes out oil pocket 210 and oil outlet 220 provided with what is be interconnected, described fuel-displaced
Chamber 210 is connected with the oil pocket 111 that draws.
The above-mentioned utensil that draws oil sample, by drawing oil pocket 111 through setting in the inside of valve seat 110, is that valve rod 120 is slided afterwards
It is arranged in the end for drawing in oil pocket 111 and ensuring that thimble 121 stretches out valve seat 110；The slip cap of fuel tap opening and closing element 200 is mounted in afterwards
On valve seat 110 and make itself and the end abutment of valve rod 120.When being operated when draw oil sample, fuel tap body 100 will be taken to be arranged on electric current mutual
On sensor, turn fuel tap opening and closing element 200 is so as to promoting valve rod 120 protruding afterwards, now the thimble 121 of the end of valve rod 120
The hoodle of fuel outlet valve in current transformer is opened on top, so that transformer oil, which is flowed into, draws oil pocket 111, afterwards successively from going out oil pocket 210
Oily operation is taken with the outflow completion of oil outlet 220.So it can not only be perfectly suitable for taking for oil-immerged inversed current transformer
Oil sample is operated, and takes oily functional reliability high, good airproof performance, and its mode of operation is simple.
In the above-described embodiments, valve seat 110 and valve rod 120 are preferred to use metal making, such as copper, stainless steel, favorably
In increasing the service life；In addition, valve seat 110 is preferably the hollow cylinder that two ends are run through, i.e. cylinder interior there is section to be circle
Draw oil pocket 111, valve rod 120 can be that section is variously-shaped rod member, and the present embodiment is preferably round bar.The diameter of round bar is small
In the diameter for drawing oil pocket 111, the length of round bar is more than the length of valve seat 110, thus may insure that valve rod 120 is arranged in valve seat
Will not be blocked when in 110 and draw oil pocket 111, at the same ensure valve rod 120 end can stretch out valve seat 110 a part of (thimble 121) with
Fuel outlet valve in transformer, which is opened and closed, to be coordinated.
In addition, service efficiency and experience sense are influenceed in order to avoid occurring to skid in operation, in the He of fuel tap opening and closing element 200
The periphery wall of valve seat 110 is made for anti-skidding structure, such as raised, pit.Meanwhile, in order to improve the accurate of oil sample test
Degree, need to be passivated and corrosion-resistance treatment to the inwall for the inwall and fuel tap opening and closing element 200 for drawing oil pocket 111, and oily process is taken to mitigate
Pollution and interference (occur chemical reaction and absorption etc.) of the middle inwall metal to oil sample.
Further, fuel tap opening and closing element 200 is preferably bolt, the one end open of bolt, and the other end, which makes, carries oil outlet
220 cover plate, i.e., in one embodiment, periphery wall of the valve seat 110 close to described one end of fuel tap opening and closing element 200 are provided with
First external screw thread 114, the internal perisporium of the fuel tap opening and closing element 200 is provided with internal thread 230, the internal thread 230 and described the
The screw thread of one external screw thread 114 coordinates.Thus it is connected by the first external screw thread 114 with internal thread 230, is not only convenient for realizing that fuel tap is opened and closed
The installation of part 200 and valve seat 110 is fixed, while also allowing for realizing that fuel tap opening and closing element 200 slides flexibly to control on valve seat 110
Valve rod 120 processed is moved, and then controls the open and close or control of fuel outlet valve to take the size and speed of oil mass.Specifically,
The one end of valve rod 120 away from thimble 121 is fixed with cover plate, thus when bolt is slid back and forth on valve seat 110 by helicitic texture
When, ejection or fallback action can be completed with ovable valve stem 120, to coordinate the open and close for realizing fluid with fuel outlet valve.It is another
In individual embodiment, the internal thread 230 on bolt inwall replaces with the multiple necks set along its length, the periphery wall of valve seat 110
On the first external screw thread 114 be axially disposed multiple projections, being clasped and realize that bolt is relative by neck and projection
The movement and fixation of valve seat 110.
In addition, described take fuel tap body 100 also to include the footstock 130 coordinated with the inwall gap for taking oil pocket, the top
Seat 130 is connected in the valve rod 120 and opened and closed close to one end of the fuel tap opening and closing element 200, and the footstock 130 with the fuel tap
Part 200 can abut cooperation.Thus by coupling footstock 130 in the end of valve rod 120, valve rod 120 can be improved and opened and closed with fuel tap
The contact area of part 200 is bigger, so as to so that the movement of valve rod 120 is more stablized and reliable.
Fig. 1 is refer to, it is further, described to take fuel tap body 100 also to include being used to make the automatically reset bullet of the valve rod 120
Property press part 140, the inwall of the valve seat 110 is convexly equipped with positioning boss 112 to center position, and the elastic press part 140 is supported
Pressure is arranged between the positioning boss 112 and the footstock 130.Thus by being supported between positioning boss 112 and footstock 130
Pressure sets elastic press part 140, in order at the end of taking oil to operate, be promoted under the screen resilience effect of elastic press part 140
Footstock 130 is moved back so that valve rod 120 automatically disengages the abutting with fuel outlet valve hoodle, so as to automatic closing current transformer
Fuel outlet valve and avoid leaking, lift the operation ease and reliability that draw oil sample.Wherein, elastic press part 140 can be
Spring, shell fragment, garment bag etc., the present embodiment is preferably spring.
The above-mentioned utensil that draws oil sample also includes first seal 300, and the periphery wall of the valve seat 110 is provided with the first seal groove
113, the first seal 300 be embedded in first seal groove 113 and with the inner wall sealing of the fuel tap opening and closing element 200
Coordinate.Thus by being embedded first seal 300 in the first seal groove 113 and making first seal 300 and fuel tap opening and closing element
200 inner wall sealing coordinates, thus can prevent from taking fuel tap body 100 to leak when taking oil, be conducive to improving sealing property with
Functional reliability.Also include second seal 400, the periphery wall of the linkage section 116 is additionally provided with the second seal groove 116b, described
Second seal 400 is embedded at the second seal groove 116b and coordinated with the inner wall sealing of current transformer.Thus by
Second seal 400 is embedded in second seal groove 116b and second seal 400 is abutted with the inwall of current transformer, because
And take fuel tap body 100 to occur oil liquid leakage when can prevent from drawing oil sample, be conducive to improving the sealing property and work for the utensil that draws oil sample
Make reliability.
Wherein, first seal 300, second seal 400 can be O-ring seal, oil sealing, silicagel pad etc., this implementation
Example is preferably O-ring seal；Correspondingly, the first seal groove 113, the second seal groove 116b are respectively along valve seat 110 and linkage section
116 circumferentially disposed annular groove, when bolt sleeve is attached on annular groove and linkage section 116 is socketed with current transformer, is squeezed
Pressure O-ring seal deforms upon to obtain preferably sealing property.
It is used to prevent what the fuel tap opening and closing element 200 from excessively moving in addition, the periphery wall convex of the valve seat 110 is provided with
Limited step 115, the limited step 115 abuts cooperation with the end face of the fuel tap opening and closing element 200.Thus by valve seat
Limited step 115 is set on 110, realized when fuel tap opening and closing element 200 is slided on valve seat 110 spacing, it is to avoid fuel tap opening and closing element
200 excessive movements and cause valve rod 120 excessively to stretch out and push up the fuel outlet valve of bad current transformer.
In one embodiment, the valve seat 110 also includes linkage section 116, and the periphery wall of the linkage section 116 is provided with use
When oil is taken and current transformer internal thread 230 connect the second external screw thread 116a.Thus pass through the linkage section in valve seat 110
Second external screw thread 116a is set on 116 periphery wall, the peace of fuel tap body 100 and current transformer is taken when being operated in order to draw oil sample
Dress is fixed, and the connected mode is simple, reliable, is convenient to mount and dismount.
Further, the valve seat 110 close to the linkage section 116 periphery wall also convex be provided be used for take oil when take
Fuel tap body 100 installs the positioning step 117 of positioning with current transformer.Thus by valve seat 110 close to the outer of linkage section 116
Positioning step 117 is set on perisporium, and being easy to draw oil sample when utensil is assembled with current transformer positions, is conducive to improving and essence is installed
Degree, it is ensured that operation of drawing oil sample is reliable.
In addition, the thief hatch 500 connected with the oil outlet 220 is additionally provided with the fuel tap opening and closing element 200, the sampling
Mouth 500 is used to recover the oil to try to have with standard to be connected.Thus by installing thief hatch 500 on fuel tap opening and closing element 200, and make thief hatch
500 connect with outlet sky, and being so easy to recover the oil with standard to try to have is connected to carry out oil sample detection experiment, while being conducive to lifting to take
The ease of use and the scope of application of oil sample utensil.Wherein, it can be syringe, graduated cylinder etc. that standard, which is recovered the oil and tries tool, in order to adopt
Lab analysis is taken back after collection oil sample.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- The utensil 1. one kind draws oil sample, it is characterised in that including：Fuel tap body is taken, described to take fuel tap body to include valve seat and valve rod, the valve seat draws oil pocket, the valve stem slides provided with what is run through Draw described in being arranged in oil pocket, and the valve rod, provided with the thimble for stretching out the valve seat end, the thimble opens electric current for top The hoodle of fuel outlet valve makes oil sample draw oil pocket described in transformer；AndFuel tap opening and closing element for driving the valve rod telescopic moving, the fuel tap opening and closing element slip cap is loaded on the valve seat simultaneously Can abut cooperation with the valve rod, and the fuel tap opening and closing element goes out oil pocket and oil outlet provided with what is be interconnected, it is described go out oil pocket Connected with the oil pocket that draws.
- 2. the utensil according to claim 1 that draws oil sample, it is characterised in that described to take fuel tap body also to include taking oil pocket with described The footstock that coordinates of inwall gap, the footstock is connected in the valve rod close to one end of the fuel tap opening and closing element, and the top Seat can abut cooperation with the fuel tap opening and closing element.
- 3. the utensil according to claim 2 that draws oil sample, it is characterised in that described to take fuel tap body also to include being used to make the valve The automatically reset elastic press part of bar, the inwall of the valve seat is convexly equipped with positioning boss, the elastic press part to center position Compress and be arranged between the positioning boss and the footstock.
- 4. the utensil according to claim 1 or 2 that draws oil sample, it is characterised in that also including first seal, the valve seat Periphery wall is provided with the first seal groove, the first seal be embedded in first seal groove and with the fuel tap opening and closing element Inner wall sealing coordinate.
- 5. the utensil according to claim 1 that draws oil sample, it is characterised in that the valve seat is close to described fuel tap opening and closing element one end Periphery wall be provided with the first external screw thread, the internal perisporium of the fuel tap opening and closing element is provided with internal thread, the internal thread with it is described First external screw thread screw thread coordinates.
- 6. the utensil according to claim 1 that draws oil sample, it is characterised in that the periphery wall convex of the valve seat, which is provided with, to be used for The fuel tap opening and closing element excessively mobile limited step is prevented, the limited step is abutted with the end face of the fuel tap opening and closing element matches somebody with somebody Close.
- 7. the utensil according to claim 1 that draws oil sample, it is characterised in that the valve seat also includes linkage section, the connection The periphery wall of section be provided with when being used to take oil and current transformer internal thread connection the second external screw thread.
- 8. the utensil according to claim 7 that draws oil sample, it is characterised in that also including second seal, the linkage section Periphery wall is additionally provided with the second seal groove, the second seal be embedded at second seal groove and with the inwall of current transformer Sealing coordinates.
- 9. the utensil according to claim 7 that draws oil sample, it is characterised in that periphery wall of the valve seat close to the linkage section Also convex is provided with the positioning step for being used for taking fuel tap body to install positioning with current transformer when taking oil.
- 10. the utensil according to claim 1 that draws oil sample, it is characterised in that be additionally provided with the fuel tap opening and closing element with it is described The thief hatch of oil outlet connection, the thief hatch is used to recover the oil to try to have with standard to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720213198.0U CN206540726U (en) | 2017-03-06 | 2017-03-06 | Draw oil sample utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720213198.0U CN206540726U (en) | 2017-03-06 | 2017-03-06 | Draw oil sample utensil |
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| Publication Number | Publication Date |
|---|---|
| CN206540726U true CN206540726U (en) | 2017-10-03 |
Family
ID=59940952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720213198.0U Active CN206540726U (en) | 2017-03-06 | 2017-03-06 | Draw oil sample utensil |
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| CN (1) | CN206540726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108492971A (en) * | 2018-03-17 | 2018-09-04 | 国网新疆电力有限公司 | For the monitoring assembly of oil-immersed current transformer, installation method and monitoring system |
| CN110608919A (en) * | 2019-09-24 | 2019-12-24 | 湖南华电云通电力技术有限公司 | Oil taking device of mutual inductor |
-
2017
- 2017-03-06 CN CN201720213198.0U patent/CN206540726U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108492971A (en) * | 2018-03-17 | 2018-09-04 | 国网新疆电力有限公司 | For the monitoring assembly of oil-immersed current transformer, installation method and monitoring system |
| CN110608919A (en) * | 2019-09-24 | 2019-12-24 | 湖南华电云通电力技术有限公司 | Oil taking device of mutual inductor |
| CN110608919B (en) * | 2019-09-24 | 2024-01-30 | 湖南华电云通电力技术有限公司 | Oil extracting device for mutual inductor |
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Effective date of registration: 20200923 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
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