CN205262959U - Infrared pair of ripples leakage detector of sulfur hexafluoride - Google Patents
Infrared pair of ripples leakage detector of sulfur hexafluoride Download PDFInfo
- Publication number
- CN205262959U CN205262959U CN201520974011.XU CN201520974011U CN205262959U CN 205262959 U CN205262959 U CN 205262959U CN 201520974011 U CN201520974011 U CN 201520974011U CN 205262959 U CN205262959 U CN 205262959U
- Authority
- CN
- China
- Prior art keywords
- air chamber
- infrared
- probe
- sulfur hexafluoride
- gas outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an and provide the sampling flow of an ability automatically regulated sampling pump and reach the infrared pair of ripples leakage detector of sulfur hexafluoride who lets out the leakage point location of leakage quantity's device to the difference to air chamber segmentation monitoring. The utility model discloses a central processing unit and the infrared detection device who connects rather than the electricity, infrared detection device includes infrared light transmitter and detector, infrared pair of ripples leakage detector of sulfur hexafluoride still include with the U type air chamber that the infrared light transmitter is connected the lower extreme is provided with air inlet and gas outlet respectively on the U type air chamber, the detector includes first probe and second probe, first probe setting is in the corner of U type air chamber upper end, the second probe sets up the gas outlet on one side, U type air chamber internal surface for the reflection of light mirror surface still be connected with the sampling pump on the gas outlet, the sampling pump with the central processing unit electricity is connected. The utility model is suitable for a sulfur hexafluoride gas leak detection field.
Description
Technical field
The utility model relates to a kind of leak hunting instrument, and relating in particular to one has leak free sulfur hexafluoride infrared double wave leak detector for detection of sulfur hexafluoride gas device is housed.
Background technology
At present, existing pump suction type SF6 gas leakage detector is all by gas samping pump, gas to be incorporated into sampling air chamber then by different principle, the sample gas of introducing air chamber to be analyzed quantitatively. And quantitative standard is all that chamber Standard Gases (gas content is even) is demarcated to be not less than SF6 gas leakage detector sampling flow by experiment, the inhomogeneities of so just having ignored sampling air chamber and sampling flow size and sample gas detects the impact of gas on reality, cause reality detect in can not find definite leakage point for the excessive device of leakage rate, for small Leak Detection less than.
Utility model content
Technical problem to be solved in the utility model overcomes the deficiencies in the prior art exactly, and a kind of sulfur hexafluoride infrared double wave leak detector that can automatically regulate the sampling flow of sampling pump and air chamber sectional monitoring be reached to the leak point positioning of the device to different leakage rates is provided.
The technical scheme that the utility model adopts is: the infrared detecting device that the utility model comprises central processing unit and is electrically connected with it, described infrared detecting device comprises infrared transmitter and detector, described sulfur hexafluoride infrared double wave leak detector also comprises the U-shaped air chamber being connected with described infrared transmitter, be respectively arranged with air inlet and gas outlet at described U-shaped air chamber upper and lower side, described detector comprises the first probe and the second probe, described the first probe is arranged on the corner of described U-shaped air chamber upper end, described the second probe is arranged on described gas outlet on one side, described U-shaped air chamber inner surface is reflective mirror, on described gas outlet, be also connected with sampling pump, described sampling pump is electrically connected with described central processing unit.
Further, described infrared transmitter comprises the first infrared light supply and the second infrared light supply that are fixedly installed on described U-shaped air chamber upper end, and described the first infrared light supply and described the second infrared light supply are all 45° angle setting with the inner plane of described U-shaped air chamber.
Further, on described central processing unit, be also connected with LCD display and push-button unit.
Further, described reflective mirror is gold-plated minute surface.
The beneficial effects of the utility model are: the infrared detecting device that comprises central processing unit and be electrically connected with it due to the utility model, described infrared detecting device comprises infrared transmitter and detector, described sulfur hexafluoride infrared double wave leak detector also comprises the U-shaped air chamber being connected with described infrared transmitter, be respectively arranged with air inlet and gas outlet at described U-shaped air chamber upper and lower side, described detector comprises the first probe and the second probe, described the first probe is arranged on the corner of described U-shaped air chamber upper end, described the second probe is arranged on described gas outlet on one side, described U-shaped air chamber inner surface is reflective mirror, on described gas outlet, be also connected with sampling pump, described sampling pump is electrically connected with described central processing unit. compared with prior art, the utility model has adopted U-shaped air chamber, increase the length of air chamber, recycle described the first probe and described second probe detection to gas concentration on diverse location, realize no matter leakage rate is large or the little effect that can accurately find leakage point, add sampling pump simultaneously, realized the automatic adjusting of sampling flow by the control of described central processing unit. therefore, the utility model can automatically regulate the sampling flow of sampling pump and air chamber sectional monitoring be reached to the leak point positioning of the device to different leakage rates.
Brief description of the drawings
Fig. 1 is structural representation block diagram of the present utility model.
Detailed description of the invention
As shown in Figure 1, the infrared detecting device that the utility model comprises central processing unit 1 and is electrically connected with it, described infrared detecting device comprises infrared transmitter and detector, described sulfur hexafluoride infrared double wave leak detector also comprises the U-shaped air chamber 2 being connected with described infrared transmitter, be respectively arranged with air inlet 3 and gas outlet 4 at described U-shaped air chamber 2 upper and lower sides, described detector comprises the first probe 5 and the second probe 6, described the first probe 5 is arranged on the corner of described U-shaped air chamber 2 upper ends, described the second probe 6 is arranged on described gas outlet 4 on one side, described U-shaped air chamber 2 inner surfaces are reflective mirror, on described gas outlet 4, be also connected with sampling pump 7, described sampling pump 7 is electrically connected with described central processing unit 1. in the utility model, described reflective mirror is gold-plated minute surface, can reduce like this decay of infrared light. in the utility model, adopt described U-shaped air chamber 2, can in not reducing gas circuit, reduce like this air chamber entire length. by adjustable described sampling pump 7, through described gas outlet 4, gas to be measured is drawn into air chamber from described air inlet 3.
Described infrared transmitter comprises the first infrared light supply 8 and the second infrared light supply 9 that are fixedly installed on described U-shaped air chamber 2 upper ends, and described the first infrared light supply 8 and described the second infrared light supply 9 are all 45° angle setting with the inner plane of described U-shaped air chamber 2. On described central processing unit 1, be also connected with LCD display 10 and push-button unit 11. The infrared light that described the first infrared light supply 8 and described the second infrared light supply 9 are launched is through the reflection of gold-plated minute surface, received by described the first probe 5 and the second probe 6 respectively, analyze the induced signal on each probe by described central processing unit 1, by described push-button unit 11, the flow that regulates manually or automatically described sampling pump 7 is set, accurately finds leak point with this; Leakage rate by calculating sampling flow and the large young pathbreaker's leakage point of sampling air chamber is accurately presented on described LCD display 10.
The utility model adopts infrared survey principle, be characterized in utilizing gas to be measured to be used for measure gas concentrations to infrared Absorption, the larger infrared optical attenuation of concentration is more severe, in the time measuring minute leakage, utilize increase air chamber length to detect, when large for leakage rate, detect by reducing air chamber length. Can ensure like this no matter be little or gross leak can find leak source, to external environment in the inhomogeneities of gas by regulating the flow-control of sampling pump to absorb gas ratio to be measured in sampling gas.
The utility model is applicable to sulfur hexafluoride gas Leak Detection field.
Claims (4)
1. a sulfur hexafluoride infrared double wave leak detector, it comprises central processing unit (1) and the infrared detecting device being electrically connected with it, described infrared detecting device comprises infrared transmitter and detector, it is characterized in that: described sulfur hexafluoride infrared double wave leak detector also comprises the U-shaped air chamber (2) being connected with described infrared transmitter, be respectively arranged with air inlet (3) and gas outlet (4) at described U-shaped air chamber (2) upper and lower side, described detector comprises the first probe (5) and the second probe (6), described the first probe (5) is arranged on the corner of described U-shaped air chamber (2) upper end, described the second probe (6) is arranged on described gas outlet (4) on one side, described U-shaped air chamber (2) inner surface is reflective mirror, on described gas outlet (4), be also connected with sampling pump (7), described sampling pump (7) is electrically connected with described central processing unit (1).
2. sulfur hexafluoride infrared double wave leak detector according to claim 1, it is characterized in that: described infrared transmitter comprises the first infrared light supply (8) and the second infrared light supply (9) that are fixedly installed on described U-shaped air chamber (2) upper end, and described the first infrared light supply (8) and described the second infrared light supply (9) are all 45° angle setting with the inner plane of described U-shaped air chamber (2).
3. sulfur hexafluoride infrared double wave leak detector according to claim 1, is characterized in that: on described central processing unit (1), be also connected with LCD display (10) and push-button unit (11).
4. sulfur hexafluoride infrared double wave leak detector according to claim 1, is characterized in that: described reflective mirror is gold-plated minute surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520974011.XU CN205262959U (en) | 2015-11-30 | 2015-11-30 | Infrared pair of ripples leakage detector of sulfur hexafluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520974011.XU CN205262959U (en) | 2015-11-30 | 2015-11-30 | Infrared pair of ripples leakage detector of sulfur hexafluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205262959U true CN205262959U (en) | 2016-05-25 |
Family
ID=56004481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520974011.XU Expired - Fee Related CN205262959U (en) | 2015-11-30 | 2015-11-30 | Infrared pair of ripples leakage detector of sulfur hexafluoride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205262959U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760666A (en) * | 2018-03-01 | 2018-11-06 | 国网湖北省电力公司咸宁供电公司 | A kind of interior SF6Gas leakage monitoring and Recovery Purifying processing system |
| CN111434973A (en) * | 2019-01-14 | 2020-07-21 | 中昊晨光化工研究院有限公司 | Method for detecting high-risk medium pipeline conveying leakage |
-
2015
- 2015-11-30 CN CN201520974011.XU patent/CN205262959U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760666A (en) * | 2018-03-01 | 2018-11-06 | 国网湖北省电力公司咸宁供电公司 | A kind of interior SF6Gas leakage monitoring and Recovery Purifying processing system |
| CN111434973A (en) * | 2019-01-14 | 2020-07-21 | 中昊晨光化工研究院有限公司 | Method for detecting high-risk medium pipeline conveying leakage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20191130 |