CN206772818U - Gas leak detection apparatus based on image technique - Google Patents
Gas leak detection apparatus based on image technique Download PDFInfo
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- CN206772818U CN206772818U CN201720550843.8U CN201720550843U CN206772818U CN 206772818 U CN206772818 U CN 206772818U CN 201720550843 U CN201720550843 U CN 201720550843U CN 206772818 U CN206772818 U CN 206772818U
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- Prior art keywords
- detection apparatus
- leak detection
- gas leak
- module
- lens group
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Abstract
The utility model provides a kind of gas leak detection apparatus based on image technique, and the gas leak detection apparatus includes photoelectric sensor, processor；Convergent lens group, the optical window of the photoelectric sensor is focused at by the lens group corresponding to the ambient light of under test gas；Focusing module, the focusing module are used for the focal length for adjusting the lens group.The utility model has the advantages that leakage point detection is accurate, real-time.
Description
Technical field
It the utility model is related to gas detection, the more particularly to gas leak detection apparatus based on image technique.
Background technology
Many gases can be discharged in the daily production of the mankind, life process, these gases cause brokenly to living environment
It is bad, and then harm is brought to the health of the mankind.But this kind of gas can not be by visually discovering, for example, volatile organic
Compound (volatile organic compounds, VOCs) is that various mankind's activities and biological metabolism are discharged into waving in air
The general name of hair property organic compound, it is one of the reason for causing haze weather to be formed, and needs emphasis to prevent in prevention and control of air pollution
The part of control；For example, sulfur hexafluoride (SF6) it is a kind of artificial inert gas, there are good electrical insulation properties and excellent
Arc extinction performance, but SF6Gas molecule can cause serious greenhouse effects：One SF6Molecule harmfulness is a CO2Molecule
25000 times；Meanwhile discharge SF in an atmosphere6Gas lifetime speciality, about 3400.
There is chromatogram-analytical technique of mass spectrum for the detection of VOCs gases, but the technology is suitable for the detection of known emission point,
It is helpless to the large area investigation of location point.These this kind of gases have absorption characteristic to specific infrared light, and utilization is infrared
Thermal imaging can detect gas leakage, and intuitively be shown with graphic form.Therefore gas characteristic absorption line is chosen
As the target optical spectrum scope of detection, and the design of target optical spectrum scope is suitable, too wide then poor contrast, too narrow then sensitivity
It is low.
Utility model content
In order to solve the deficiency in above-mentioned prior art, the utility model provides a kind of accurate positioning, real-time, inspection
Ranging is from the gas leak detection apparatus based on image technique remote, that area of detection is big.
The purpose of this utility model is achieved through the following technical solutions：
Gas leak detection apparatus based on image technique, the gas leak detection apparatus include photoelectric sensor, place
Manage device；The gas leak detection apparatus further comprises：
Convergent lens group, the light of the photoelectric sensor is focused at by the lens group corresponding to the ambient light of under test gas
Learn window；
Focusing module, the focusing module are used for the focal length for adjusting the lens group.
According to above-mentioned gas leak detection apparatus, alternatively, the gas leak detection apparatus further comprises：
Wireless transmitter module, the output end of the processor connect the wireless transmitter module.
According to above-mentioned gas leak detection apparatus, alternatively, the gas leak detection apparatus further comprises：
Wireless receiving module, the wireless receiving module receives the signal that the wireless transmitter module is sent, and is sent to
Control centre；
Control centre, the control centre make control measure according to the signal received.
According to above-mentioned gas leak detection apparatus, alternatively, the gas leak detection apparatus further comprises：
Display, the input of the display connect the processor or wireless receiving module.
According to above-mentioned gas leak detection apparatus, it is preferable that the photoelectric sensor is only in response to target zone infrared light.
According to above-mentioned gas leak detection apparatus, alternatively, the gas leak detection apparatus further comprises：
Filtration module, the filtration module is arranged in the light path between the lens group and photoelectric sensor, for filtering
Unless target zone infrared light.
According to above-mentioned gas leak detection apparatus, alternatively, the optical window plated film, for filtering out non-targeted scope
Infrared light.It is to be determined according to measured target Infrared spectra adsorption scope for optical window filming parameter, such as：SF6Most
Absorb at 10.55 μm by force, plated film is at 10.55 μm ± 0.1 μm；VOCs gases are at 3.3 μm~3,5 μm.
According to above-mentioned gas leak detection apparatus, alternatively, the gas leak detection apparatus further comprises：
Controller, the focusing that the basis receives instruct and control the movement of focusing module.
Compared with prior art, the utility model have the advantage that for：
1. real-time display under test gas content；
2. area of detection is wide, distance is remote, the ground that people is difficult to reach can be detected at a distance；
3. emission point or leakage point can be accurately positioned.
4. detection efficiency is high；
5. noise is lower, picture contrast is high.
Brief description of the drawings
Referring to the drawings, disclosure of the present utility model will be easier to understand.Skilled addressee readily understands that
It is：These accompanying drawings are used only for illustrating the technical solution of the utility model, and are not intended to protection of the present utility model
Scope is construed as limiting.In figure：
Fig. 1 is the structure diagram according to the gas leak detection apparatus based on image technique of the utility model embodiment 1；
Fig. 2 is the structure diagram according to the gas leak detection apparatus based on image technique of the utility model embodiment 2；
Fig. 3 is the structure diagram according to the gas leak detection apparatus based on image technique of the utility model embodiment 3.
Embodiment
Fig. 1-3 and optional embodiment of the present utility model is following description described how to instruct those skilled in the art
Implement and reproduce the utility model.In order to instruct technical solutions of the utility model, simplify or eliminate some conventional aspects.This
Art personnel should be appreciated that modification from these embodiments or replacement will be in the scope of the utility model.This area
Technical staff should be appreciated that following characteristics can combine to form multiple modifications of the present utility model in a variety of ways.Thus, originally
Utility model is not limited to following optional embodiments, and is only limited by claim and their equivalent.
Embodiment 1：
Fig. 1 schematically illustrates the gas leak detection apparatus based on image technique of the utility model embodiment, such as
Shown in Fig. 1, the gas leak detection apparatus includes：
Convergent lens group, the light of the photoelectric sensor is focused at by the lens group corresponding to the ambient light of under test gas
Learn window；
Focusing module, such as manual focusing module, the focusing module is used for the focal length for adjusting the lens group；
Photoelectric sensor, the photoelectric sensor is only in response to infrared light, the electric signal sending processor of output；
Processor, the processor handles the electric signal, so as to know the content of under test gas；
Display, the input of the display connect the processor, so as to show under test gas at detection scene
Content.
Embodiment 2：
The gas leak detection apparatus of the utility model embodiment 2, as shown in Fig. 2 as different from Example 1：
Filtration module 11, such as optical filter, the filtration module is arranged on the light between the lens group and photoelectric sensor
Lu Shang, for filtering out non-targeted scope infrared light, namely photoelectric sensor is only capable of receiving target zone infrared light.
Embodiment 3：
The gas leak detection apparatus of the utility model embodiment 3, as shown in figure 3, as different from Example 1：
The optical window plated film of photoelectric sensor, for filtering out non-targeted scope infrared light, namely photoelectric sensor is only capable of
Receive target zone infrared light；
Gas leak detection apparatus further comprises：
Wireless transmitter module, the output end of the processor connect the wireless transmitter module；
Wireless receiving module, the wireless receiving module receives the signal that the wireless transmitter module is sent, and is sent to
Control centre；
Control centre, the control centre make control measure according to the signal received；
Controller, the focusing that the basis receives instructs and controls the movement of focusing module, so as to realize convergent lens
The automatic focusing of group.
Claims (8)
1. the gas leak detection apparatus based on image technique, the gas leak detection apparatus includes photoelectric sensor, processing
Device；It is characterized in that：The gas leak detection apparatus further comprises：
Convergent lens group, the optics of the photoelectric sensor is focused at by the lens group corresponding to the infra-red radiation of under test gas
Window；
Focusing module, the focusing module are used for the focal length for adjusting the lens group.
2. gas leak detection apparatus according to claim 1, it is characterised in that：The gas leak detection apparatus enters one
Step includes：
Wireless transmitter module, the output end of the processor connect the wireless transmitter module.
3. gas leak detection apparatus according to claim 2, it is characterised in that：The gas leak detection apparatus enters one
Step includes：
Wireless receiving module, the wireless receiving module receives the signal that the wireless transmitter module is sent, and is sent to control
Center；
Control centre, the control centre make control measure according to the signal received.
4. gas leak detection apparatus according to claim 1, it is characterised in that：The gas leak detection apparatus enters one
Step includes：
Display, the input of the display connect the processor or wireless receiving module.
5. gas leak detection apparatus according to claim 1, it is characterised in that：The photoelectric sensor is only in response to infrared
Light.
6. gas leak detection apparatus according to claim 1, it is characterised in that：The gas leak detection apparatus enters one
Step includes：
Filtration module, the filtration module is arranged in the light path between the lens group and photoelectric sensor, non-for filtering out
Target zone infrared light.
7. gas leak detection apparatus according to claim 1, it is characterised in that：The optical window plated film, for filtering
Unless target zone infrared light.
8. gas leak detection apparatus according to claim 1, it is characterised in that：The gas leak detection apparatus enters one
Step includes：
Controller, the focusing that the basis receives instruct and control the movement of focusing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550843.8U CN206772818U (en) | 2017-05-18 | 2017-05-18 | Gas leak detection apparatus based on image technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550843.8U CN206772818U (en) | 2017-05-18 | 2017-05-18 | Gas leak detection apparatus based on image technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206772818U true CN206772818U (en) | 2017-12-19 |
Family
ID=60641246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720550843.8U Expired - Fee Related CN206772818U (en) | 2017-05-18 | 2017-05-18 | Gas leak detection apparatus based on image technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206772818U (en) |
-
2017
- 2017-05-18 CN CN201720550843.8U patent/CN206772818U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20190518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |