CN102661771A - Device and method for measuring quantized oil level of high-voltage current transformer - Google Patents
Device and method for measuring quantized oil level of high-voltage current transformer Download PDFInfo
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- CN102661771A CN102661771A CN2012101459881A CN201210145988A CN102661771A CN 102661771 A CN102661771 A CN 102661771A CN 2012101459881 A CN2012101459881 A CN 2012101459881A CN 201210145988 A CN201210145988 A CN 201210145988A CN 102661771 A CN102661771 A CN 102661771A
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Abstract
The invention discloses a device for measuring a quantized oil level of a high-voltage current transformer. The device comprises a tripod, wherein a vernier angle instrument is mounted on a horizontal plane at the top of the tripod; and a laser sighting device is mounted on the vernier angle instrument. The invention further provides a measurement method, comprising the following steps of: firstly, adjusting the tripod so that the vernier angle instrument is ensured to be placed at a horizontal position; secondly, after adjusting and determining a measurement position, accurately aligning an upper limit, a lower limit and a scale of the oil level on a viewing window of the high-pressure current transformer by using the laser sighting device; meanwhile, obtaining a corresponding angle by the measurement of the vernier angle instrument, wherein angles corresponding to an upper limit A point, a lower limit C point and an oil level scale B point of the oil level viewing window are gamma, alpha and beta; and finally, obtaining a ratio numerical value of the entire viewing window relative to the oil level scale through a calculation formula. With the adoption of the measurement device and method provided by the invention, the gap in the method for measuring the quantized oil level of the high-pressure current transformer is filled. The measurement device provided by the invention has the characteristics of convenience in assembling and carrying, simplicity in operation and high accuracy.
Description
Technical field
The present invention relates to measure the measurement mechanism and the corresponding measuring method of high-tension current inductor oil level.
Background technology
Because advantages such as compact conformation, dynamic and thermal stability ability are strong, the oil-filled current transformer of inversion type is widely used in the electrical network of 35kV and above electric pressure.As judging a whether normal important evidence of mutual inductor equipment, observe the oil level of mutual inductor, analyze the oil level situation of change, become the important content of power worker's periodical inspection inspection mutual inductor equipment.Yet because the oil level glass of inversed current transformer all is positioned at the top of mutual inductor; Higher apart from ground; And view window only has 40 ℃ ,-20 ℃ so simple several scale marks outward; Make the walkaround inspection personnel can't oil level be quantified as a concrete numerical value, therefore to oil level whether rationally change, normally can only next ambiguous final conclusion.This operating condition for comprehensive grasp mutual inductor equipment is very unfavorable.Especially working as current transformer is under the oil impregnate defect situation; The walkaround inspection personnel are difficult to come analysis and judgement to go out the trend of oil impregnate development of defects through the result of all previous tour; Therefore be badly in need of wanting a kind of measuring method that can quantize the inversed current transformer oil level, and propose corresponding measurement mechanism.
Summary of the invention
Technical matters to be solved by this invention just provides a kind of measurement mechanism and the corresponding measuring method that can measure the high-tension current inductor oil level; Through use of the present invention; The walkaround inspection personnel can be a definite percentage with the oil level measuring and calculating of inversed current transformer; Thereby solved the problem that the mutual inductor oil level can't quantize; Through analyzing the oil level numerical value of all previous record, factors such as integrated environment temperature, load condition, whether the walkaround inspection personnel can judge the mutual inductor equipment operation comparatively exactly normal.
For solving the problems of the technologies described above; The present invention adopts following technical scheme: a kind of measurement mechanism that quantizes the high-tension current inductor oil level; It is characterized in that: comprise a secondary tripod; One vernier inclinometer is installed on the surface level at said tripod top, a laser sight is installed on the said vernier inclinometer.
As preferably; Said tripod comprises three legs; Wherein two support foot hights are adjustable, and said tripod top is provided with the supporting surface of a level, and said surface level is set in parallel in the supporting surface top; Wherein be provided with three between supporting surface and surface level and be the horizontal adjustment screw that equilateral triangle distributes, guarantee the level of surface level through adjusting these three horizontal adjustment screws.
As preferably, two mutually orthogonal spirit bubbles are set on the said surface level, come whether level of determined level face through the position of bubble in the eye-level bubble.
As preferably, said vernier inclinometer comprises T type support member, clip, fan-shaped planker, main scale, vernier scale, basic chi and sector, and T type support member bottom is fixed with the tripod surface level, and fan-shaped planker links to each other with clip through attachment screw; Clip is installed on T type support member one side arm, and sector is installed at the main scale back; The main scale outboard end is provided with vernier scale, and the sector adjusting screw is set on the fan-shaped planker, and sector cooperates with the sector adjusting screw to be used for regulating and takes measurement of an angle, and the front end of main scale is provided with basic chi and laser sight.
As preferably; The surface level center of said tripod is provided with a square fixture; Said square fixture adopts the metal hollow pipe of square, and square fixture pore internal diameter size makes insertion pore in T type support member bottom realize fixing with vernier inclinometer T type support member bottom mating.
As preferably; Said laser sight bottom is provided with gib screw on two fixing threaded holes and the vernier inclinometer and is used laser sight is fixed on vernier inclinometer main scale front end; Said laser sight is provided with the laser beam adjusting screw of regulating the beam direction that the Laser emission mouth launches, through regulating basic chi that the laser beam adjusting screw guarantees laser beam and vernier inclinometer on same horizontal line.
The present invention also provides a kind of measuring method that quantizes the high-tension current inductor oil level, it is characterized in that: at first, regulate tripod and guarantee vernier inclinometer horizontal positioned; Secondly; Behind adjustment and definite measuring position; Utilize laser sight accurately to aim at the scale mark of high-tension current inductor observation window upper and lower limit and oil level; Measure corresponding angle with the vernier inclinometer simultaneously, the angle that wherein oil level glass upper limit A point, lower limit C point and oil level scale mark B point are corresponding is respectively γ, α, β; At last, draw the proportional numerical value of the whole relatively view window of oil level scale through computing formula
.
The present invention has filled up the blank that quantizes high-tension current inductor oil-level measurement method, and measurement mechanism provided by the invention has the advantages that assembling is easy to carry, simple to operate, degree of accuracy is high.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the measuring method synoptic diagram;
Fig. 2 is the surveying instrument structural representation;
Fig. 3 is the tripod front view;
Fig. 4 is the tripod side view;
Fig. 5 is the tripod vertical view;
Fig. 6 is a vernier inclinometer front view;
Fig. 7 is a vernier inclinometer rear view;
Fig. 8 is the laser sight front view;
Fig. 9 is the laser sight left view;
Figure 10 is the laser sight right view;
Figure 11 is the laser sight vertical view.
Embodiment
As shown in Figure 2, the measurement mechanism of quantification high-tension current inductor oil level provided by the invention mainly is made up of mapping special-purpose tripod 1, vernier inclinometer 8, laser sight 9, and is convenient for assembly.
Extremely shown in Figure 5 like Fig. 2; Wherein tripod part mainly is made up of the special-purpose tripod of mapping 1, supporting surface 2, horizontal adjustment screw 3, surface level 6, spirit bubble (being respectively transverse horizontal bubble 4 and vertical equity bubble 7), square fixture 5; Wherein two legs are adjustable to survey and draw special-purpose tripod, can be applicable to most measurement environment (different soil properties, the gradient); Three horizontal adjustment screws 3 are set on the supporting surface 2, guarantee surface level 6 levels through adjusting these three horizontal adjustment screws; Two mutually orthogonal spirit bubbles are set on the surface level 6,, judge whether level of surveying instrument surface level 6 through observing the position of bubble in two spirit bubbles; At the center of surface level 6 square fixture 5 is set, plays fixedly vernier inclinometer; Square fixture 5 adopts the metal hollow pipe of square, and T type support member 10 couplings of pore internal diameter size and vernier inclinometer make T type support member 10 insert fixedly uses of pore.
To shown in Figure 11, the bottom is provided with two fixing threaded holes 26 to laser sight 9 like Fig. 7, is used with gib screw 16 on the vernier inclinometer, and laser sight 9 is fixed on the vernier inclinometer 8; Laser beam adjusting screw 28 can be regulated the direction of the laser beam of Laser emission mouth 27 ejaculations, guarantees that laser beam and vernier inclinometer base chi 15 are on same horizontal line.
The measuring method of the measurement mechanism that adopts above-mentioned quantification high-tension current inductor oil level is described: utilize the horizontal adjustment screw of tripod and configuration on it, can guarantee the surveying instrument level in conjunction with Fig. 1; After confirming the measuring position, utilize laser sight accurately to aim at the scale mark of observation window upper and lower limit and oil level, measure corresponding angle with the vernier inclinometer simultaneously, finally draw the proportional numerical value of the whole relatively view window of oil level scale through computing formula.
Behind the selected measuring position O point; Use surveying instrument provided by the invention can accurately measure oil level glass upper limit A point, lower limit C point and oil level scale mark B point corresponding angle γ, α, β; Thereby draw the numerical value of current mutual inductor oil level,
with respect to view window
Claims (7)
1. measurement mechanism that quantizes the high-tension current inductor oil level; It is characterized in that: comprise a secondary tripod (1); The surface level (6) at said tripod top is gone up a vernier inclinometer (8) is installed, and a laser sight (9) is installed on the said vernier inclinometer.
2. the measurement mechanism of quantification high-tension current inductor oil level according to claim 1; It is characterized in that: said tripod (1) comprises three legs; Wherein two support foot hights are adjustable; Said tripod top is provided with the supporting surface (2) of a level; Said surface level (6) is set in parallel in the supporting surface top, wherein is provided with three between supporting surface and surface level and is the horizontal adjustment screw (3) that equilateral triangle distributes, and guarantees the level of surface level (6) through adjusting these three horizontal adjustment screws.
3. the measurement mechanism of quantification high-tension current inductor oil level according to claim 2; It is characterized in that: two mutually orthogonal spirit bubbles are set on the said surface level (6), come whether level of determined level face (6) through the position of bubble in the eye-level bubble.
4. the measurement mechanism of quantification high-tension current inductor oil level according to claim 3; It is characterized in that: said vernier inclinometer (8) comprises T type support member (10), clip (11), fan-shaped planker (20), main scale (13), vernier scale (12), basic chi (15) and sector (22); T type support member bottom is fixed with the tripod surface level, and fan-shaped planker (20) links to each other with clip (11) through attachment screw (18); Clip (11) is installed on T type support member one side arm, and sector (22) is installed at main scale (13) back; The main scale outboard end is provided with vernier scale (12); Sector adjusting screw (24) is set on the fan-shaped planker; Sector (22) cooperates with the sector adjusting screw to be used for regulating and takes measurement of an angle, and the front end of main scale (13) is provided with basic chi (15) and laser sight (9).
5. the measurement mechanism of quantification high-tension current inductor oil level according to claim 5; It is characterized in that: surface level (6) center of said tripod (1) is provided with a square fixture (5); Said square fixture (5) adopts the metal hollow pipe of square, and square fixture pore internal diameter size makes insertion pore in T type support member (10) bottom realize fixing with vernier inclinometer T type support member (10) bottom mating.
6. the measurement mechanism of quantification high-tension current inductor oil level according to claim 5; It is characterized in that: said laser sight (9) bottom is provided with two fixing threaded holes (26) and is used with gib screw (16) on the vernier inclinometer laser sight (9) is fixed on vernier inclinometer main scale front end; Said laser sight is provided with the laser beam adjusting screw (28) of regulating the beam direction that Laser emission mouth (27) launches, through regulating basic chi (15) that the laser beam adjusting screw guarantees laser beam and vernier inclinometer on same horizontal line.
7. a measuring method that quantizes the high-tension current inductor oil level is characterized in that: at first, regulate tripod (1) and guarantee vernier inclinometer horizontal positioned; Secondly; Behind adjustment and definite measuring position; Utilize laser sight (9) accurately to aim at the scale mark of high-tension current inductor observation window upper and lower limit and oil level; Use vernier inclinometer (8) to measure corresponding angle simultaneously, the angle that wherein oil level glass upper limit A point, lower limit C point and oil level scale mark B point are corresponding is respectively γ, α, β; At last, draw the proportional numerical value of the whole relatively view window of oil level scale through computing formula
.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210145988.1A CN102661771B (en) | 2012-05-11 | 2012-05-11 | Device and method for measuring quantized oil level of high-voltage current transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210145988.1A CN102661771B (en) | 2012-05-11 | 2012-05-11 | Device and method for measuring quantized oil level of high-voltage current transformer |
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| Publication Number | Publication Date |
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| CN102661771A true CN102661771A (en) | 2012-09-12 |
| CN102661771B CN102661771B (en) | 2014-01-15 |
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| CN201210145988.1A Active CN102661771B (en) | 2012-05-11 | 2012-05-11 | Device and method for measuring quantized oil level of high-voltage current transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134177A (en) * | 2015-08-26 | 2015-12-09 | 中国农业大学 | Online monitoring device for liquid level of brine extracting well |
| CN105785292A (en) * | 2016-04-12 | 2016-07-20 | 江勇 | Rock and ore sample magnetic parameter measurement device and method thereof for geological exploring |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2839965Y (en) * | 2005-09-17 | 2006-11-22 | 庄成荣 | Laser vernier angle gauge |
| CN102927018A (en) * | 2012-11-09 | 2013-02-13 | 江苏大学 | Device and method for alignment measurement and adjustment of particle image velocimetry (PIV) camera of centrifugal pump |
-
2012
- 2012-05-11 CN CN201210145988.1A patent/CN102661771B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2839965Y (en) * | 2005-09-17 | 2006-11-22 | 庄成荣 | Laser vernier angle gauge |
| CN102927018A (en) * | 2012-11-09 | 2013-02-13 | 江苏大学 | Device and method for alignment measurement and adjustment of particle image velocimetry (PIV) camera of centrifugal pump |
Non-Patent Citations (1)
| Title |
|---|
| 黄尚永: "自制组合游标刻度尺实现非接触法测距", 《大学物理实验》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134177A (en) * | 2015-08-26 | 2015-12-09 | 中国农业大学 | Online monitoring device for liquid level of brine extracting well |
| CN105785292A (en) * | 2016-04-12 | 2016-07-20 | 江勇 | Rock and ore sample magnetic parameter measurement device and method thereof for geological exploring |
| CN105785292B (en) * | 2016-04-12 | 2018-04-10 | 江勇 | A kind of rock and ore sample magnetic parameters device used for geological prospecting and measuring method |
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| Publication number | Publication date |
|---|---|
| CN102661771B (en) | 2014-01-15 |
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Effective date of registration: 20121106 Address after: 313000 Phoenix Road, Zhejiang, Huzhou, No. 777 Applicant after: Huzhou Power Office Applicant after: State Grid Corporation of China Address before: 313000 Phoenix Road, Zhejiang, Huzhou, No. 777 Applicant before: Huzhou Power Office |
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