CN2856958Y - Leakage point laser imaging instrument for sulphur hexafluoride - Google Patents
Leakage point laser imaging instrument for sulphur hexafluoride Download PDFInfo
- Publication number
- CN2856958Y CN2856958Y CN 200520071627 CN200520071627U CN2856958Y CN 2856958 Y CN2856958 Y CN 2856958Y CN 200520071627 CN200520071627 CN 200520071627 CN 200520071627 U CN200520071627 U CN 200520071627U CN 2856958 Y CN2856958 Y CN 2856958Y
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- laser
- sulfur hexafluoride
- converting unit
- leak source
- input end
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- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model relates to the field of electricity power safety detecting device technology, especially relates to a sulfur hexafluoride leak source laser imaging device for detecting the sulfur hexafluoride leak source of the high pressure electric devices such as a sulfur hexafluoride breaker of an electricity system, a sulfur hexafluoride closed combined electrical apparatus, etc. The sulfur hexafluoride leak source laser imaging device includes an electricity supplying unit (1) of the system, a laser regulated power supply (2), a laser(3), a laser cooling system (4), a tunable optical converting unit (5), an optical receiving system (6), a micrology optical detector (7), a micrology matcher (8), an amplifying system(9), and A/D converting unit (10), a logical control unit (11), an image high-speed processing unit (12) and a displayer (13). The sulfur hexafluoride leak source is detected by using the strong laser absorbing property of the sulfur hexafluoride and by using an infra-red sepectrometry, and the leak source position is imaged and displayed by the steps of optical-electric signals converting and image processing. The little leakage of the sulfur hexafluoride can be detected in an un-contact mode and in a long distance quickly and accurately. The safe running of the device and the personal safety of workers are all assured and the efficiency of the detecting of the electricity power system is also improved.
Description
Technical field
The utility model relates to electric power safety checkout equipment technical field, especially a kind of sulfur hexafluoride leak source laser imager that the sulfur hexafluoride gas leakage point of high voltage electric equipments such as electric system sulfur hexafluoride breaker, sulfur hexafluoride gas insulated metal enclosed swit chgear is detected.
Background technology
Sulfur hexafluoride breaker, sulfur hexafluoride gas insulated metal enclosed swit chgear etc. are the high voltage electric equipments that electric system is generally used, utilize good insulation of sulfur hexafluoride gas and arc extinction performance, electric component is sealed in the container that is full of sulfur hexafluoride gas, has characteristics such as consolidation miniaturization, safe reliability height.Sulfur hexafluoride gas itself is nontoxic, but can form noxious material after decomposing.In case equipment generation sulfur hexafluoride gas leaks, can pollute environment, personnel's health of human body safety is damaged, and jeopardize the safe operation of equipment.
Therefore, the SF 6 high-voltage electrical equipment is hunted leak just seem particularly important.At present be: when finding to have the sulfur hexafluoride gas leakage with the sulphur hexafluoride leak detection instrument to the equipment leak detection and the practices well of searching leak source, equipment is had a power failure, with insulator and the flange segmented seal wrapping of plastic sheeting with switch, in which section sulfur hexafluoride gas is arranged with sulphur hexafluoride leak detection instrument disjunction test again after 24 hours, uses the shortcoming of this method to have:
1, equipment must have a power failure, and power off time is very long.
2, need to drop into a large amount of man power and materials, overhaul efficiency is low.
3, can not accurately find the leakage point position, from experience in the past, individual switches have to be scrapped because of can not find leak source, has caused tremendous loss.
4, the sulphur hexafluoride leak detection instrument long-time stability of using at present are not high, and its sensitivity is subject to Effect of Environmental such as humidity.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model provides a kind of energy and fast, accurately detects and imaging display apparatus sulfur hexafluoride gas leak position, guarantee the safe operation of equipment and staff's health of human body, improve the sulfur hexafluoride leak source laser imager of electric system service work efficient.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of sulfur hexafluoride leak source laser imager, by SPU, the laser stabilization power supply, laser instrument, the laser cooling system, the adjustable optical converting unit, optical receiving system, the microoptic detector, micro-adaptation, amplification system, the A/D converting unit, logic control element, image high speed processing unit and display are formed, SPU respectively with the laser stabilization power supply, the laser cooling system, micro-adaptation, amplification system, the A/D converting unit, image high speed processing unit and display are electrically connected, the laser stabilization power supply is electrically connected with laser instrument, laser instrument connects adjustable optical converting unit emission light, optical receiving system receives reflected light, optical receiving system output termination microoptic detector input end, the micro-adaptation input end of microoptic detector output termination, micro-adaptation output termination amplification system input end carries out signal and amplifies, the amplification system output terminal links to each other with A/D converting unit input end and carries out digital-to-analog conversion, logic control element links to each other with the A/D converting unit and controls, the logic control element output terminal links to each other with the image processing unit input end, and the image processing unit output terminal links to each other with display.
The beneficial effects of the utility model are, sulfur hexafluoride leak source laser imager of the present utility model, utilize sulfur hexafluoride gas that laser is had stronger receptivity, adopt infra-red sepectrometry to detect the sulfur hexafluoride gas leak source, and by steps such as photosignal conversion, image processings, imaging is carried out in the leak source position to be shown, realize remote, noncontact, fast, accurately detect the sulfur hexafluoride gas micro-leakage, guarantee the safe operation of equipment and staff's health of human body, improve electric system service work efficient.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structured flowchart of sulfur hexafluoride leak source laser imager of the present utility model.
Among the figure: 1. SPU, 2. laser stabilization power supply, 3. laser instrument, 4. laser cooling system, 5. adjustable optical converting unit, 6. optical receiving system, 7. microoptic detector, 8. micro-adaptation, 9. amplification system, 10.A/D converting unit, 11. logic control elements, 12. image processing unit, 13. displays.
Embodiment
Sulfur hexafluoride leak source laser imager as shown in Figure 1, by SPU 1, laser stabilization power supply 2, laser instrument 3, laser cooling system 4, adjustable optical converting unit 5, optical receiving system 6, microoptic detector 7, micro-adaptation 8, amplification system 9, A/D converting unit 10, logic control element 11, image high speed processing unit 12 and display 13 are formed, SPU 1 respectively with laser stabilization power supply 2, laser cooling system 4, micro-adaptation 8, amplification system 9, A/D converting unit 10, image high speed processing unit 12 and display 13 are electrically connected, to above-mentioned functions unit and parts centrally connected power supply, laser stabilization power supply 2 is electrically connected with laser instrument 3, to guarantee the stable transmission frequency of laser instrument, laser instrument 3 gives out a large amount of heats during work, laser cooling system 4 is worked simultaneously to reduce working temperature, laser instrument 3 connects adjustable optical converting unit 5, the laser beam that laser instrument 3 sends is adjusted by adjustable optical converting unit 5 detection position is launched, form a desirable three-dimensional infrared radiation field in this detection position, the sulfur hexafluoride gas molecule that leaks out in the slave unit is with the past external diffusion of flow phenomenon, this sulfur hexafluoride molecular flow will produce stronger photonic absorption and photon back scattering to the three-dimensional radiation field laser that covers this zone, because optical absorption, there is the flow perturbation phenomenon in leak, its reflected light receives by optical receiving system 6, optical receiving system 6 is sent to the light signal that receives microoptic detector 7 and is converted to electric signal, pass through the processing of micro-adaptation 8 again, form discernible transmission signal, be sent to A/D converting unit 10 after 9 pairs of these signals of amplification system amplify and carry out digital-to-analog conversion, logic control element 11 is controlled the processing of A/D converting unit 10 simultaneously, switching signal inputs to image processing unit 12, and last output image signal to display 13 carries out imaging and shows.
Claims (1)
1, a kind of sulfur hexafluoride leak source laser imager, it is characterized in that: by SPU (1), laser stabilization power supply (2), laser instrument (3), laser cooling system (4), adjustable optical converting unit (5), optical receiving system (6), microoptic detector (7), micro-adaptation (8), amplification system (9), A/D converting unit (10), logic control element (11), image high speed processing unit (12) and display (13) are formed, SPU (1) respectively with laser stabilization power supply (2), laser cooling system (4), micro-adaptation (8), amplification system (9), A/D converting unit (10), image high speed processing unit (12) and display (13) are electrically connected, laser stabilization power supply (2) is electrically connected with laser instrument (3), laser instrument (3) connects adjustable optical converting unit (5) emission light, optical receiving system (6) receives reflected light, optical receiving system (6) output termination microoptic detector (7) input end, microoptic detector (7) the output micro-adaptation of termination (8) input end, micro-adaptation (8) output termination amplification system (9) input end carries out signal and amplifies, amplification system (9) output terminal links to each other with A/D converting unit (10) input end and carries out digital-to-analog conversion, logic control element (11) links to each other with A/D converting unit (10) and controls, logic control element (11) output terminal links to each other with image processing unit (12) input end, and image processing unit (12) output terminal links to each other with display (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071627 CN2856958Y (en) | 2005-05-12 | 2005-05-12 | Leakage point laser imaging instrument for sulphur hexafluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071627 CN2856958Y (en) | 2005-05-12 | 2005-05-12 | Leakage point laser imaging instrument for sulphur hexafluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2856958Y true CN2856958Y (en) | 2007-01-10 |
Family
ID=37600262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520071627 Expired - Lifetime CN2856958Y (en) | 2005-05-12 | 2005-05-12 | Leakage point laser imaging instrument for sulphur hexafluoride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2856958Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445314A (en) * | 2011-09-22 | 2012-05-09 | 安徽省电力公司合肥供电公司 | Leak point positioning system for laser imaging SF6 (Sulfur Hexafluoride 6) |
| CN102661835A (en) * | 2012-05-14 | 2012-09-12 | 天津市电力公司 | Binding film for leakage detection of sulfur hexafluoride electric equipment |
| CN103278292A (en) * | 2013-04-29 | 2013-09-04 | 浙江红相科技股份有限公司 | Novel inner structure gas imager |
-
2005
- 2005-05-12 CN CN 200520071627 patent/CN2856958Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445314A (en) * | 2011-09-22 | 2012-05-09 | 安徽省电力公司合肥供电公司 | Leak point positioning system for laser imaging SF6 (Sulfur Hexafluoride 6) |
| CN102661835A (en) * | 2012-05-14 | 2012-09-12 | 天津市电力公司 | Binding film for leakage detection of sulfur hexafluoride electric equipment |
| CN103278292A (en) * | 2013-04-29 | 2013-09-04 | 浙江红相科技股份有限公司 | Novel inner structure gas imager |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150512 Granted publication date: 20070110 |