CN113933440A - Oil gas sampling needle prevents spouting instrument - Google Patents
Oil gas sampling needle prevents spouting instrument Download PDFInfo
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- CN113933440A CN113933440A CN202111159086.9A CN202111159086A CN113933440A CN 113933440 A CN113933440 A CN 113933440A CN 202111159086 A CN202111159086 A CN 202111159086A CN 113933440 A CN113933440 A CN 113933440A
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- range calibration
- injection needle
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- 238000005070 sampling Methods 0.000 title claims abstract description 26
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 230000002265 prevention Effects 0.000 claims abstract description 16
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 43
- 238000012360 testing method Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 5
- 238000000429 assembly Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000007705 chemical test Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides an oil gas sample injection needle blowout prevention tool which comprises a needle cylinder, a range calibration assembly and a piston assembly, wherein one end of the needle cylinder is communicated with a sample injection connector, the other end of the needle cylinder is fixedly provided with the range calibration assembly, the range calibration assembly is used for measuring and calibrating the air input of oil gas, the piston assembly is connected in the needle cylinder in a sliding mode, the piston assembly is matched with the needle cylinder and used for sampling the oil gas of a transformer, the needle cylinder is provided with a first scale gauge, and the first scale gauge is matched with the range calibration assembly to realize calibration of the air input of the oil gas. The oil-gas measuring device can measure the oil-gas quantity of the transformer sampled by the needle cylinder through the first scale and range calibration component, and can calibrate the sampled oil-gas quantity through the range calibration component.
Description
Technical Field
The invention relates to the technical field of transformer oil tests, in particular to an oil gas sample injection needle blowout prevention tool.
Background
With the rapid development of economy in China and the continuous updating and upgrading requirements of electrical equipment, higher requirements are put forward for power supply departments both on equipment and technology. The transformer equipment is the most critical equipment of the transformer substation, has high manufacturing cost and high price, and most importantly, has wide influence range after accidents happen, thereby causing great influence on social economy. The best detection means for electrical equipment such as transformers is to perform oil and gas chemical tests on oil and gas equipment. Therefore, the accuracy of the chemical test results of various types of oil and gas is very important. At present, errors are easily caused by human eye manual operation during sampling in the test process.
In the current test process, for example, in the chromatographic test, a 1ml special syringe for chromatography is used to sample the separated mixed gas, and 1ml of the mixed gas is adopted to be injected into a chromatograph. When the existing transformer oil gas sampling needle is used for sampling, the inner container of the needle cylinder is easily sprayed by air flow in the transformer, and whether the sampling quantity is qualified or not must be judged by human eyes in the sampling process. H2 and H2 are important gases for judging equipment failure. H2 is light in weight and easy to escape, and needs testers to quickly grasp eyes by hands, sample introduction is quick, needle pushing is quick, needle pulling is quick, otherwise, the accuracy of a test result is difficult to guarantee.
For example, a sampling device of a portable transformer oil chromatographic analyzer with patent number CN202021037883.0 comprises a sampling tube, a stopper and a movable frame; one end of the sampling tube is provided with a sampling head, and the other end is provided with a push rod; the movable frame is sleeved on the periphery of the sampling tube; an oil bin is arranged on one side of the movable frame facing the sampling head; one side of the oil bin is provided with a connector; a sealing washer is arranged on the periphery of the connector; the bottom of the oil bin is provided with an openable sealing plug; a cover plate is arranged on one side of the oil outlet groove facing the interior of the oil bin; a rubber plug is arranged on the cover plate; an oil way is arranged inside the rubber plug; the oil bin is provided with a plurality of mounting holes in an annular array along the periphery of the oil outlet groove, and elastic pieces are arranged in the mounting holes; the oil gas sampling effect of the transformer is poor, so that the oil gas quantity of the transformer has errors with the oil gas quantity sampled actually, and the test accuracy is low.
Disclosure of Invention
Therefore, the invention provides the blowout prevention tool for the oil gas sample injection needle, which improves the accuracy of oil gas quantity absorption when a transformer oil gas sample is absorbed, effectively reduces manual errors, and avoids the condition that the inner container of the needle cylinder is sprayed by air flow in the transformer.
The technical scheme of the invention is realized as follows:
the utility model provides an oil gas advances needle and prevents spouting instrument, includes cylinder, range calibration subassembly and piston assembly, the one end intercommunication of cylinder has the appearance connector of advancing, the other end of cylinder is fixed with the range calibration subassembly, the range calibration subassembly is used for measuring the oil gas air input and calibrates, piston assembly sliding connection in the cylinder, piston assembly with the cylinder cooperation is used for taking a sample transformer oil gas, be equipped with first graduation apparatus on the cylinder, first graduation apparatus with the cooperation of range calibration subassembly is realized calibrating the oil gas air input.
Furthermore, the range calibration subassembly is including measuring board and indicator plate, the one end of measuring the board is fixed in on the cylinder, be equipped with the second graduation apparatus on the measurement board, the measurement board be equipped with the bar groove, the second graduation apparatus is located the both sides in bar groove, the bar inslot is equipped with the guide rail, the indicator plate with guide rail sliding connection, the indicator plate with the cooperation of second graduation apparatus is instructed the oil gas sample volume, the indicator plate pass through locking Assembly lock in on the measurement board.
Furthermore, the piston assembly comprises a piston, a piston rod and a disc handle, the piston is movably connected inside the needle cylinder, two ends of the piston rod are respectively connected with the piston and the disc handle, and the disc handle is positioned on the inner side of the measuring plate.
Further, the measuring plate is an arc-shaped measuring plate.
Further, the indicator panel is an arc-shaped indicator panel.
Furthermore, the both sides of guide rail are equipped with the spout, the scale plate be equipped with two the slider that the spout is mutually supported, slider sliding connection in corresponding in the spout.
Furthermore, the locking assembly comprises a bolt and a nut, a through groove is formed in the guide rail, a through hole is formed in the indicating plate, and the bolt sequentially penetrates through the through hole and the through groove to be in threaded connection with the nut.
Further, the range calibration assembly is fixed on the needle cylinder through a fixing assembly.
Furthermore, the fixing assembly comprises a first fixing plate and a second fixing plate, the first fixing plate is connected to the upper end of the needle cylinder, the second fixing plate is connected to the lower end of the range calibration assembly, and the first fixing plate is detachably connected with the second fixing plate.
Further, the first fixing plate and the second fixing plate are both acrylic plates.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a blowout prevention tool for an oil gas sampling needle, which can realize quantitative sampling and sampling operations of 1ml and 5ml needle cylinders; the transformer oil gas sample can be absorbed through the matching of the needle cylinder and the piston assembly, the first scale and range calibration assembly measures the transformer oil gas amount sampled by the needle cylinder, the sampled oil gas amount can be calibrated through the range calibration assembly, and when the scale of the equivalent range calibration assembly is consistent with that of the needle cylinder, the range is accurate and high; two kinds of scale readings through first scale table and range calibration subassembly scale are unanimous, can improve the degree of accuracy that the experiment sample weighed greatly to effectively reduce artificial error, advance kind process simply rapidly, can arrive required scale range immediately after the sampling. The tester can quickly judge and carry out the next test operation after sampling, the test working efficiency is improved, the reliability of the test result is improved, and the condition that the air flow in the transformer sprays the inner container of the needle cylinder is avoided.
Drawings
FIG. 1 is a schematic perspective view of an oil gas injection needle blowout prevention tool according to the present invention;
FIG. 2 is a schematic perspective view of an anti-injection tool for an oil gas injection needle according to the present invention;
FIG. 3 is a schematic perspective view of an anti-injection tool for an oil gas injection needle according to the present invention;
FIG. 4 is a schematic diagram of a partial cross-sectional structure of a blowout prevention tool for an oil gas injection needle according to the present invention;
in the figure, 1 syringe, 2 range calibration assemblies, 21 measurement plates, 22 indicator plates, 23 second scales, 24 strip-shaped grooves, 25 guide rails, 26 sliding grooves, 27 sliding blocks, 3 locking assemblies, 31 bolts, 32 nuts, 33 through grooves, 4 piston assemblies, 41 pistons, 42 piston rods, 43 disc handles, 5 sample injection connectors, 6 first scales, 7 fixing assemblies, 71 first fixing plates and 72 second fixing plates.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 4, the oil gas sample injection needle blowout prevention tool provided by the invention comprises a needle cylinder 1, a range calibration assembly 2 and a piston 41 assembly 4, wherein one end of the needle cylinder 1 is communicated with a sample injection connector 5, the sample injection connector 5 can be used for being communicated with a corresponding sampling needle (not marked), the range calibration assembly 2 is fixed at the other end of the needle cylinder 1, the range calibration assembly 2 is used for measuring and calibrating the oil gas air input, when a transformer oil gas sample is absorbed, the oil gas quantity can be measured, and the piston 41 assembly 4 can be matched with the needle cylinder 1 to sample the transformer oil gas to realize the sampling of the transformer oil gas sample, the needle cylinder 1 is provided with a first dial gauge 6, the first dial gauge 6 is matched with the range calibration assembly 2 to calibrate the oil gas air input, the metering accuracy of an oil gas sample is improved, when the transformer oil gas sample is sampled, a corresponding sampling needle head (not marked) is connected to the sampling connecting head, and the range calibration assembly is adjusted to a corresponding sampling range scale and fixed on the scale position to calibrate the scale of the first dial gauge 6 of the needle cylinder 1; absorb transformer oil gas sample through the cooperation of cylinder 1 and piston 41 subassembly 4, first scale 6 measures the transformer oil gas sample of absorption, and when the scale of the first scale 6 of cylinder 1 and the scale of range calibration subassembly 2 kept unanimous, the range was accurate high, and the transformer oil gas sample of absorption reaches the standard.
Specifically, the range calibration subassembly 2 is including measuring board 21 and indicator panel 22, the one end of measuring board 21 is fixed in on the cylinder 1, be equipped with second graduation apparatus 23 on the measuring board 21, the measuring board 21 be equipped with bar groove 24, second graduation apparatus 23 is located bar groove 24's both sides, the second graduation apparatus 23 that accessible both sides were equipped with judge whether indicator panel 22 is the parallel state with the scale on the second graduation apparatus 23, improve the accuracy that indicator panel 22 indicated the scale, be equipped with guide rail 25 in the bar groove 24, indicator panel 22 with guide rail 25 sliding connection can indicate different second graduation apparatus 23 scales, indicator panel 22 with the cooperation of second graduation apparatus 23 is instructed the oil gas sample volume, indicator panel 22 through locking Assembly 3 lock in on the measuring board 21. Locking Assembly 3 can be with indicator panel 22 steadiness on measuring board 21, and indicator panel 22 and the cooperation of second graduation apparatus 23 indicate the transformer oil gas sample volume of waiting to absorb, and cylinder 1 and measuring board 21 are transparent material and make.
Specifically, the piston 41 assembly 4 includes a piston 41, a piston rod 42 and a disc handle 43, the piston 41 is movably connected to the inside of the syringe 1, two ends of the piston rod 42 are respectively connected to the piston 41 and the disc handle 43, and the disc handle 43 is located on the inner side of the measuring plate 21. Through the cooperation of piston 41, piston rod 42 and disc handle 43, can absorb the transformer oil gas sample, disc handle 43 top is the scale level of plane and second graduation apparatus 23, is convenient for read the scale on the second graduation apparatus 23.
Specifically, the measuring plate 21 is an arc-shaped measuring plate 21. With the cooperation of disc handle 43, can play the effect of holding disc handle 43, the disc handle 43 of being convenient for is measured inboard round trip movement of board 21 in the arc form, and the reading of the second graduation 23 scale of being convenient for.
Specifically, the indicating plate 22 is an arc-shaped indicating plate 22. And the scale on the arc-shaped measuring plate 21 can be conveniently indicated by matching with the arc-shaped measuring plate 21.
Example 2
Referring to fig. 1 to 3, the present embodiment is different from embodiment 1 in that: the both sides of guide rail 25 are equipped with spout 26, the scale plate be equipped with two the slider 27 that spout 26 mutually supported, slider 27 sliding connection in corresponding in the spout 26. When the indication plate 22 slides back and forth on the measurement plate 21, the stability of the sliding of the indication plate 22 is maintained, and the level of the indication plate 22 and the scale on the second scale 23 are further ensured.
Specifically, locking Assembly 3 includes bolt 31 and nut 32, what guide rail 25 was equipped with logical groove 33, indicator plate 22 is equipped with the through-hole, bolt 31 passes in proper order the through-hole with logical groove 33 with nut 32 threaded connection. The fixing of the indicator plate 22 at a designated position can be achieved.
Example 2
Referring to fig. 1 to 3, the present embodiment is different from embodiment 1 in that: the measuring range calibration component 2 is fixed on the needle cylinder 1 through a fixing component 7. The span calibration assembly 2 can be secured to the syringe 1.
Specifically, the fixing assembly 7 includes a first fixing plate 71 and a second fixing plate 72, the first fixing plate 71 is connected to the upper end of the syringe 1, the second fixing plate 72 is connected to the lower end of the range calibration assembly 2, and the first fixing plate 71 is detachably connected to the second fixing plate 72. The first fixing plate 71 and the second fixing plate 72 can be fixed by the bolts 31, and the needle cylinder 1 and the range calibration assembly 2 can be separated from each other, so that the replacement is convenient and the utilization rate is improved.
Specifically, the first fixing plate 71 and the second fixing plate 72 are both acrylic plates. The acrylic plate is designed into a style more suitable for the habit of a user so as to realize the operations of quickly pushing and pulling out the needle.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides an oil gas injection needle prevents spouting instrument which characterized in that: including cylinder, range calibration subassembly and piston assembly, the one end intercommunication of cylinder has the appearance connector of advancing, the other end of cylinder is fixed with the range calibration subassembly, the range calibration subassembly is used for measuring the oil gas air input and calibrates, piston assembly sliding connection in the cylinder, piston assembly with the cylinder cooperation is used for taking a sample transformer oil gas, be equipped with first graduation apparatus on the cylinder, first graduation apparatus with the cooperation of range calibration subassembly is realized calibrating the oil gas air input.
2. The oil and gas injection needle blowout prevention tool of claim 1, wherein: the measuring range calibration assembly comprises a measuring plate and an indicating plate, one end of the measuring plate is fixed on the needle cylinder, a second dial gauge is arranged on the measuring plate, a strip-shaped groove is formed in the measuring plate, the second dial gauge is arranged on two sides of the strip-shaped groove, a guide rail is arranged in the strip-shaped groove, the indicating plate is in sliding connection with the guide rail, the indicating plate is matched with the second dial gauge to indicate oil gas sampling quantity, and the indicating plate is locked on the measuring plate through a locking assembly.
3. The oil and gas injection needle blowout prevention tool of claim 2, wherein: the piston assembly comprises a piston, a piston rod and a disc handle, the piston is movably connected inside the needle cylinder, two ends of the piston rod are respectively connected with the piston and the disc handle, and the disc handle is located on the inner side of the measuring plate.
4. The oil and gas injection needle blowout prevention tool of claim 2, wherein: the measuring plate is an arc-shaped measuring plate.
5. The oil and gas injection needle blowout prevention tool of claim 2, wherein: the indicator board is an arc-shaped indicator board.
6. The oil and gas injection needle blowout prevention tool of claim 2, wherein: the both sides of guide rail are equipped with the spout, the scale plate be equipped with two the slider that the spout is mutually supported, slider sliding connection in corresponding in the spout.
7. The oil and gas injection needle blowout prevention tool of claim 2, wherein: the locking assembly comprises a bolt and a nut, a through groove is formed in the guide rail, a through hole is formed in the indicating plate, and the bolt sequentially penetrates through the through hole and the through groove to be in threaded connection with the nut.
8. The oil and gas injection needle blowout prevention tool of claim 1, wherein: the range calibration assembly is fixed on the needle cylinder through a fixing assembly.
9. The oil and gas injection needle blowout prevention tool of claim 8, wherein: the fixing component comprises a first fixing plate and a second fixing plate, the first fixing plate is connected to the upper end of the needle cylinder, the second fixing plate is connected to the lower end of the range calibration component, and the first fixing plate is detachably connected with the second fixing plate.
10. The oil and gas injection needle blowout prevention tool of claim 9, wherein: the first fixing plate and the second fixing plate are both acrylic plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159086.9A CN113933440A (en) | 2021-09-30 | 2021-09-30 | Oil gas sampling needle prevents spouting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159086.9A CN113933440A (en) | 2021-09-30 | 2021-09-30 | Oil gas sampling needle prevents spouting instrument |
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| Publication Number | Publication Date |
|---|---|
| CN113933440A true CN113933440A (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111159086.9A Pending CN113933440A (en) | 2021-09-30 | 2021-09-30 | Oil gas sampling needle prevents spouting instrument |
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| CN (1) | CN113933440A (en) |
Citations (13)
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|---|---|---|---|---|
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| CN207623293U (en) * | 2017-11-03 | 2018-07-17 | 天威保变(合肥)变压器有限公司 | A kind of for transformer oil test quantitative sampling device |
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| CN211292164U (en) * | 2020-07-13 | 2020-08-18 | 江西鑫隆医药保健品有限公司 | Hydrogen peroxide antiseptic solution detects sampling device |
| CN211717895U (en) * | 2019-10-17 | 2020-10-20 | 广东核电合营有限公司 | Dissolved gas sampling device in nuclear power station transformer oil |
| CN112098149A (en) * | 2019-06-17 | 2020-12-18 | 中肯(苏州)计量检测技术有限公司 | Liquid sampling, metering and detecting device |
| CN212568075U (en) * | 2020-06-08 | 2021-02-19 | 重庆灿泽科技有限公司 | Portable transformer oil chromatographic analyzer sampling device |
| CN212748416U (en) * | 2020-08-04 | 2021-03-19 | 宁波金辉化工实业有限公司 | Portable sampling device for transformer insulating oil |
-
2021
- 2021-09-30 CN CN202111159086.9A patent/CN113933440A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203232009U (en) * | 2013-05-06 | 2013-10-09 | 国家电网公司 | Ration clamp of glass injector |
| CN203870079U (en) * | 2014-03-23 | 2014-10-08 | 王海燕 | Micro-syringe |
| CN206573598U (en) * | 2017-03-22 | 2017-10-20 | 江苏方天电力技术有限公司 | A kind of quantitative injector for detecting oil product micro-moisture |
| CN207623293U (en) * | 2017-11-03 | 2018-07-17 | 天威保变(合肥)变压器有限公司 | A kind of for transformer oil test quantitative sampling device |
| CN107782585A (en) * | 2017-11-15 | 2018-03-09 | 广西电网有限责任公司南宁供电局 | Insulating oil intelligent vacuum acquisition system |
| CN209495883U (en) * | 2019-02-22 | 2019-10-15 | 薛珊珊 | A kind of pharmacy experimental sample-taking device |
| CN210400918U (en) * | 2019-04-28 | 2020-04-24 | 国网内蒙古东部电力有限公司电力科学研究院 | Insulating oil chromatographic test sampling device |
| CN112098149A (en) * | 2019-06-17 | 2020-12-18 | 中肯(苏州)计量检测技术有限公司 | Liquid sampling, metering and detecting device |
| CN210401446U (en) * | 2019-09-29 | 2020-04-24 | 海南省博测计量检测技术有限公司 | Trace sampling device |
| CN211717895U (en) * | 2019-10-17 | 2020-10-20 | 广东核电合营有限公司 | Dissolved gas sampling device in nuclear power station transformer oil |
| CN212568075U (en) * | 2020-06-08 | 2021-02-19 | 重庆灿泽科技有限公司 | Portable transformer oil chromatographic analyzer sampling device |
| CN211292164U (en) * | 2020-07-13 | 2020-08-18 | 江西鑫隆医药保健品有限公司 | Hydrogen peroxide antiseptic solution detects sampling device |
| CN212748416U (en) * | 2020-08-04 | 2021-03-19 | 宁波金辉化工实业有限公司 | Portable sampling device for transformer insulating oil |
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Application publication date: 20220114 |
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