CN205002936U - Protection device suitable for gaseous leak source monitoring of sulfur hexafluoride - Google Patents
Protection device suitable for gaseous leak source monitoring of sulfur hexafluoride Download PDFInfo
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- CN205002936U CN205002936U CN201520787441.0U CN201520787441U CN205002936U CN 205002936 U CN205002936 U CN 205002936U CN 201520787441 U CN201520787441 U CN 201520787441U CN 205002936 U CN205002936 U CN 205002936U
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- casing
- spectroscope
- photoelectric sensor
- sulfur hexafluoride
- infrared thermography
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- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 32
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000001931 thermography Methods 0.000 claims description 45
- 230000004888 barrier function Effects 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000012806 monitoring device Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 241000931526 Acer campestre Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model provides a protection device suitable for gaseous leak source monitoring of sulfur hexafluoride, including the casing infrared thermal imager inside with locating the casing, the barn door, the spectroscope, the photoelectric sensor, laser emitter, the casing lower part is equipped with the support, be equipped with lens in the middle of the casing right side, the inside top of casing from left to right is equipped with infrared thermal imager in proper order, barn door and spectroscope, infrared thermal imager, barn door and spectroscope are parallel just at same horizontal line with lens, be equipped with the barn door between infrared thermal imager and spectroscope, the barn door is installed on the casing and can be along the casing up -and -down motion, be equipped with photoelectric sensor and laser emitter below the casing is inside, the photoelectric sensor is established under the spectroscope is perpendicular, the photoelectric sensor right side is equipped with laser emitter, the device can effectively protect infrared thermal imager, and the service life of the ball lifter can be extended, the gaseous leak source monitoring devices of messenger sulfur hexafluoride can the safe operation, there is extensive practicality to power equipment test industry.
Description
Technical field
The utility model belongs to electric device maintenance technical field, is specifically related to a kind of protective device technical field being applicable to the monitoring of sulfur hexafluoride gas leak source.
Background technology
Sulfur hexafluoride (SF
6) gas owing to having good electrical insulation properties and the arc extinction performance of excellence, be a kind of be better than air and oil UHV (ultra-high voltage) insulating dielectric materials of new generation, be widely used in high-voltage electrical equipment.Along with the develop rapidly of China's power industry, for ensureing insulation and arc extinction performance in limited space, by further genralrlization SF
6the use of equipment, SF
6gas is the inexorable trend of development as arc extinguishing and insulating medium.
Current; along with the installation of sulfur hexafluoride electrical equipment in electric system and increasing of the quantity that puts into operation; the number of times also showed increased of sulfur hexafluoride equipment generation Leakage Gas; usually can due to reason generation Leakage Gas such as product quality, component ageing and damage; thus equipment, the person and environment are worked the mischief, the detection that sulfur hexafluoride gas leaks also becomes the important step of equipment investment operation or line service.Sulfur hexafluoride gas leakage point detector conventional at present utilizes the leakage of laser gas detector to sulfur hexafluoride gas to monitor; but the infrared thermography inside sulfur hexafluoride gas leakage point detector is when receiving the laser be reflected back; if overlong time; just likely damage is caused to infrared thermal imaging equipment, for want of protective device and shorten serviceable life of sulfur hexafluoride gas leakage point detector.Therefore, need that existing sulfur hexafluoride gas leak source monitoring equipment is carried out upgrading and overcome existing Problems existing and deficiency.
Summary of the invention
For the deficiency that prior art exists; the purpose of this utility model is; a kind of protective device being applicable to the monitoring of sulfur hexafluoride gas leak source is provided; carry out available protecting to the infrared thermography in sulfur hexafluoride gas leak source monitor, the infrared thermography overcoming prior art existence holds flimsy shortcoming.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme to be achieved:
A kind of protective device being applicable to the monitoring of sulfur hexafluoride gas leak source that the utility model provides, comprise casing and the infrared thermography being located at casing internal, light barrier, spectroscope, photoelectric sensor and generating laser, one hole is set on the right side of casing, lens are provided with in hole, from left to right infrared thermography is interval with successively above casing internal, light barrier and spectroscope, infrared thermography, light barrier is parallel with lens with spectroscope and in the same horizontal line, light path between infrared thermography and lens is provided with spectroscope, light barrier is provided with between infrared thermography and spectroscope, light barrier is arranged on casing, can along the upper and lower vertical movement of casing, photoelectric sensor and generating laser is provided with below casing internal, photoelectric sensor is located at immediately below spectroscope, generating laser is provided with on the right side of photoelectric sensor, spectroscope is semi-transparent semi-reflecting lens.
In the utility model, spectroscope and the laser optical path between infrared thermography and lens are the angle of 45 °.
In the utility model, casing bottom is provided with the support of scalable adjustment, regulates the height of casing, ensure carrying out smoothly of monitoring when being convenient to monitor.
Use the utility model provide a kind of be applicable to sulfur hexafluoride gas leak source monitoring protective device time, regulate the height of support, the laser beam of laser transmitter projects is made to get to the monitored area of high-voltage electrical equipment to be measured, original state, light barrier is in pull-up state, laser optical path between infrared thermography and spectroscope is unobstructed, laser beam is after high-voltage electrical equipment reflection to be measured, reflex to lens, form collimated laser beam, collimated laser beam is through spectroscope, the laser beam transmission of one half intensity is on infrared thermography, second half laser beam reflection is to photoelectric sensor, photoelectric sensor is converted to voltage after receiving laser beam, can judge to beat the laser beam intensity on infrared thermography according to voltage, when laser beam intensity increases, the voltage of photoelectric sensor also increases thereupon, the laser intensity arrived on infrared thermography reaches 109mW/cm
2time, the magnitude of voltage of photoelectric sensor conversion reaches the threshold value of 6V, environment temperature can exceed 50 DEG C very soon, if infrared thermography continuous firing, can cause damage to the sensitive component of infrared thermography, therefore, light barrier just presses down, block the laser optical path between infrared thermography and spectroscope, thus infrared thermography is protected.
the beneficial effect that the utility model reaches:
(1) the utility model provide a kind of be applicable to sulfur hexafluoride gas leak source monitoring protective device; by light barrier, available protecting is carried out to the infrared thermography in monitor; overcome the infrared thermography that prior art exists and hold flimsy shortcoming, make sulfur hexafluoride gas leak source monitoring device in high-voltage electrical equipment can safe operation, reduce the maintenance cost of equipment, add the serviceable life of equipment.
(2) a kind of protective device being applicable to the monitoring of sulfur hexafluoride gas leak source that the utility model provides has the features such as safe and practical, not fragile, with low cost, has practicality widely for electric device maintenance industry.
Accompanying drawing explanation
Fig. 1 is shown as one-piece construction schematic diagram of the present utility model.
In FIG: 1-casing, 2-high-voltage electrical equipment to be measured, 3-infrared thermography, 4-light barrier, 5-spectroscope, 6-photoelectric sensor, 7-generating laser, 8-support, 9-lens.
Embodiment
1 illustrate for embodiment by reference to the accompanying drawings, but the utility model is not limited to following embodiment.
In the utility model; for convenience of description; the Butut mode being with reference to the accompanying drawings 1 by a kind of description being applicable to the relative position relation of each parts in the protective device of sulfur hexafluoride gas leak source monitoring is described, as: the position relationships such as upper and lower, left and right determine according to the Butut direction of Figure of description 1.
A kind of protective device being applicable to the monitoring of sulfur hexafluoride gas leak source that the utility model provides comprises casing (1) and is located at the inner infrared thermography (3) of casing (1), light barrier (4), spectroscope (5), photoelectric sensor (6) and generating laser (7), casing (1) right side arranges a hole, lens (9) are provided with in hole, infrared thermography (3) is from left to right interval with successively in casing (1) inner upper, light barrier (4) and spectroscope (5), infrared thermography (3), light barrier (4) is parallel with lens (9) with spectroscope (5) and in the same horizontal line, light path between infrared thermography (3) and lens (9) is provided with spectroscope (5), light barrier (4) is provided with between infrared thermography (3) and spectroscope (5), light barrier (4) is arranged on casing (1), can along casing (1) vertical movement up and down, photoelectric sensor (6) and generating laser (7) is provided with at casing (1) lower inside, photoelectric sensor (6) is located at immediately below spectroscope (5), photoelectric sensor (6) right side is provided with generating laser (7), spectroscope (5) is semi-transparent semi-reflecting lens.
In the utility model, spectroscope (5) and the laser optical path between infrared thermography (3) and lens (9) are the angle of 45 °.
In the utility model, casing (1) bottom is provided with the support (8) of scalable adjustment, regulates the height of casing (1), ensure carrying out smoothly of monitoring when being convenient to monitor.
Use the utility model provide a kind of be applicable to sulfur hexafluoride gas leak source monitoring protective device time, regulate the height of support (8), the laser beam that generating laser (7) is launched gets to the monitored area of high-voltage electrical equipment to be measured (2), original state, light barrier (4) is in pull-up state, laser optical path between infrared thermography (3) and spectroscope (5) is unobstructed, laser beam is after high-voltage electrical equipment to be measured (2) reflection, reflex to lens (9), form collimated laser beam, collimated laser beam is through spectroscope (5), the laser beam transmission of one half intensity is on infrared thermography (3), second half laser beam reflection is to photoelectric sensor (6), voltage is converted to after photoelectric sensor (6) receives laser beam, can judge to beat the laser beam intensity on infrared thermography (3) according to voltage, when laser beam intensity increases, the voltage of photoelectric sensor (6) also increases thereupon, the laser intensity arrived on infrared thermography (3) reaches 109mW/cm
2time, the magnitude of voltage that photoelectric sensor (6) is changed reaches the threshold value of 6V, environment temperature can exceed 50 DEG C very soon, if infrared thermography (3) continuous firing, can cause damage to the sensitive component of infrared thermography (3), therefore, light barrier (4) just presses down, block the laser optical path between infrared thermography (3) and spectroscope (5), thus infrared thermography (3) is protected.
Generating laser (7) adopts industrial CO
2generating laser.The optical maser wavelength that this laser instrument sends is 10.6 microns, monitored gas SF
6extremely strong in this band of light receptivity, and air is more weak to Infrared spectra adsorption, thus the Infrared given off due to the existence of SF6 gas near SF6 leakage point is obviously on the weak side compared with surrounding air, thus can carry out quantitative and qualitative analysis detection by infrared temperature-test technology to SF6 Leakage Gas.
Spectroscope (5) adopts semi-transparent semi-reflecting lens, and the laser optical path between infrared thermography (3) and lens (9) is 45 ° and installs, laser beam is divided into the laser beam that two beam intensities are identical, the laser beam intensity that photoelectric sensor (6) is sensed is identical with the laser beam intensity got on infrared thermography (3), is convenient to directly monitor the laser beam intensity got on infrared thermography (3).
This application provides a kind of safe and practical, fragile, not with low cost protective device being applicable to the monitoring of sulfur hexafluoride gas leak source; can available protecting infrared thermography; add the serviceable life of equipment; to make in high-voltage electrical equipment sulfur hexafluoride gas leak source monitoring device can safe operation, have practicality widely for electric device maintenance industry.
As mentioned above; the utility model can be realized preferably; the above embodiments are only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model determines.
Claims (3)
1. one kind is applicable to the protective device of sulfur hexafluoride gas leak source monitoring, it is characterized in that, protective device comprises casing and is located at the infrared thermography of casing internal, light barrier, spectroscope, photoelectric sensor and generating laser, one hole is set on the right side of casing, lens are provided with in hole, from left to right infrared thermography is interval with successively above casing internal, light barrier and spectroscope, infrared thermography, light barrier is parallel with lens with spectroscope and in the same horizontal line, light path between infrared thermography and lens is provided with spectroscope, light barrier is provided with between infrared thermography and spectroscope, light barrier is arranged on casing, can along the upper and lower vertical movement of casing, photoelectric sensor and generating laser is provided with below casing internal, photoelectric sensor is located at immediately below spectroscope, generating laser is provided with on the right side of photoelectric sensor, spectroscope is semi-transparent semi-reflecting lens.
2. as claimed in claim 1 a kind of be applicable to sulfur hexafluoride gas leak source monitoring protective device, it is characterized in that, described spectroscope and the laser optical path between infrared thermography and lens are the angle of 45 °.
3. as claimed in claim 1 a kind of be applicable to sulfur hexafluoride gas leak source monitoring protective device, it is characterized in that, casing bottom is provided with the support of scalable adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787441.0U CN205002936U (en) | 2015-10-12 | 2015-10-12 | Protection device suitable for gaseous leak source monitoring of sulfur hexafluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787441.0U CN205002936U (en) | 2015-10-12 | 2015-10-12 | Protection device suitable for gaseous leak source monitoring of sulfur hexafluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205002936U true CN205002936U (en) | 2016-01-27 |
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ID=55159820
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520787441.0U Active CN205002936U (en) | 2015-10-12 | 2015-10-12 | Protection device suitable for gaseous leak source monitoring of sulfur hexafluoride |
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| Country | Link |
|---|---|
| CN (1) | CN205002936U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548901A (en) * | 2017-01-20 | 2017-03-29 | 广东米勒电气有限公司 | A kind of SF6 primary cut-outs with leak detection and leakage mending function |
| CN109768462A (en) * | 2019-03-21 | 2019-05-17 | 广州安特激光技术有限公司 | A kind of 532nm and association bundle laser |
| CN113654732A (en) * | 2021-08-17 | 2021-11-16 | 广西电网有限责任公司电力科学研究院 | Low-cost sulfur hexafluoride gas leakage infrared imaging detection system |
-
2015
- 2015-10-12 CN CN201520787441.0U patent/CN205002936U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548901A (en) * | 2017-01-20 | 2017-03-29 | 广东米勒电气有限公司 | A kind of SF6 primary cut-outs with leak detection and leakage mending function |
| CN106548901B (en) * | 2017-01-20 | 2018-07-10 | 广东米勒电气有限公司 | A kind of SF with leak detection and leakage mending function6High-voltage circuitbreaker |
| CN109768462A (en) * | 2019-03-21 | 2019-05-17 | 广州安特激光技术有限公司 | A kind of 532nm and association bundle laser |
| CN113654732A (en) * | 2021-08-17 | 2021-11-16 | 广西电网有限责任公司电力科学研究院 | Low-cost sulfur hexafluoride gas leakage infrared imaging detection system |
| CN113654732B (en) * | 2021-08-17 | 2023-12-01 | 广西电网有限责任公司电力科学研究院 | Low-cost sulfur hexafluoride gas leakage infrared imaging detection system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |