CN205103151U - Telemetry unit of indoor gas - Google Patents
Telemetry unit of indoor gas Download PDFInfo
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- CN205103151U CN205103151U CN201520888112.5U CN201520888112U CN205103151U CN 205103151 U CN205103151 U CN 205103151U CN 201520888112 U CN201520888112 U CN 201520888112U CN 205103151 U CN205103151 U CN 205103151U
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- indoor gas
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- telemetering
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Abstract
The utility model provides a telemetry unit of indoor gas, telemetry unit of indoor gas includes: the light source, the light source is used for sending measurement light, light bias rotary die piece, light bias rotary die piece is used for changing the advancing direction of whole measurement light, the detector, the detector is used for receiving it converts the signal of telecommunication into to measure the reverberation of light in the region of awaiting measuring, analysis module, analysis module received according to spectrum technical process the signal of telecommunication to obtain the content of indoor gas. The utility model has the advantages of precision height, simple structure, small, low -cost.
Description
Technical field
The utility model relates to photoelectric analysis, particularly the telemetering device of indoor gas.
Background technology
Rock gas is a kind of flammable explosive gas, and its principal ingredient is methane, and explosion limits is 5%-16%.The explosion accident caused because of fuel gas pipeline leakage throughout the country in recent years happens occasionally, and causes huge threat to the security of the lives and property of resident.For this reason, gas company needs to carry out regular safety check and irregularly selective examination to the leakage situation of the indoor natural gas facility of natural gas user.
The indoor natural gas leaking checkout equipment of current widespread use is many based on electrical method, as catalytic combustion method gas sensor, metal oxide semiconductor gas sensor, thermal conductivity combustible gas sensor.But detect operation needs and property, resident family's cooperation, such that indoor fuel gas safety check work difficulty is large, the cycle is long, efficiency is low, waste a large amount of manpower and materials.Laser telemeter is the device using natural gas leaking in partition window telemetry building widely at present.
Laser gas remote measurement instrument is the device using natural gas leaking in partition window telemetry building widely at present.Operator effectively can detect and be difficult to arrive the region that even can not arrive in safety zone, use laser gas remote measurement instrument not only to effectively raise the efficiency and quality of patrolling and examining, and the patrolling and examining of place that originally can not arrive or not easily arrive can be made to become possibility.But the current ubiquitous problem of partition window laser gas remote measurement instrument is, due to the obstruct of glass, incoming laser beam can produce folded light beam 1 and folded light beam 2 at the interface, both sides of glass pane, interference can be formed on the detector between folded light beam, greatly reduce the accuracy of detection to gas characteristic absorption peak.
Utility model content
For solving the deficiency in above-mentioned prior art, the utility model provides the telemetering device of the indoor gas that a kind of accuracy of detection is high, application is wide, safe.
The purpose of this utility model is achieved through the following technical solutions:
A telemetering device for indoor gas, the telemetering device of described indoor gas comprises:
Light source, described light source is used for sending measurement light;
Light deflection module, described smooth deflection module is for changing the direct of travel of whole measurement light;
Detector, described detector is used for the reflected light of described measurement light in region to be measured received to be converted to electric signal;
Analysis module, the described electric signal that described analysis module receives according to spectral technique process, thus the content obtaining indoor gas.
According to the telemetering device of above-mentioned indoor gas, preferably, described smooth deflection module comprises further:
Wedge shape transmission device, described wedge shape transmission device is fixed on the side of web member, and described measurement light is through described wedge shape transmission device;
Web member, the opposite side of described web member is fixed with at least two range adjusters;
At least two range adjusters, the adjustable length of described at least two range adjusters, for adjusting described web member relative to the inclined degree measuring light.
According to the telemetering device of above-mentioned indoor gas, preferably, described range adjuster is piezoelectric.
According to the telemetering device of above-mentioned indoor gas, alternatively, the telemetering device of described indoor gas comprises further:
Unmanned plane, described light source, light deflection module and detector are arranged on described unmanned plane.
According to the telemetering device of above-mentioned indoor gas, preferably, described analysis module is arranged on described unmanned plane.
Compared with prior art, the beneficial effect that the utility model has is:
1. detect accurately
Real-Time Monitoring is measuring the interference effect between the folded light beam of light on glass pane, after interfering the noise produced to exceed threshold value, measure the degree of deflection of light by adjustment and adjust the incident angle of measurement light on glass pane, thus avoiding interfering, also namely ensure that accuracy of detection;
2. application is wide
Telemetering device is arranged on unmanned plane, makes the indoor gas content that can detect the different floor of building, enter indoor detection without the need to operating personnel, improve detection efficiency, also ensure that the life security of personnel.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present utility model will be easier to understand.Those skilled in the art it is easily understood that: these accompanying drawings only for illustrating the technical solution of the utility model, and and are not intended to be construed as limiting protection domain of the present utility model.In figure:
Fig. 1 is the structure diagram of the indoor gas telemetering device according to the utility model embodiment 1;
Fig. 2 is the structure diagram of the light deflection module according to the utility model embodiment.
Embodiment
Fig. 1-2 and following description describe Alternate embodiments of the present utility model and how to implement to instruct those skilled in the art and to reproduce the utility model.In order to instruct technical solutions of the utility model, simplifying or having eliminated some conventional aspects.Those skilled in the art should understand that the modification that is derived from these embodiments or replace will in scope of the present utility model.Those skilled in the art should understand that following characteristics can combine to form multiple modification of the present utility model in every way.Thus, the utility model is not limited to following Alternate embodiments, and only by claim and their equivalents.
Embodiment 1:
Fig. 1 schematically illustrates the structure diagram of the telemetering device of a kind of indoor gas of the utility model embodiment, and as shown in Figure 1, the telemetering device of described indoor gas comprises:
Light source, as semiconductor laser, described light source is used for sending measurement light, and the wavelength measuring light corresponds to the absorption line of gas to be measured;
Light deflection module, described smooth deflection module is for adjusting the direct of travel of whole measurement light (measuring all light of light), and as shown in Figure 2, described smooth deflection module comprises:
Wedge shape transmission device 11, light entrance face and the light-emitting face of described wedge shape transmission device are plane, between keep tilt, described wedge shape transmission device is fixed on the side of web member;
Web member 21, as platform, the opposite side of described web member is fixed with at least two range adjusters;
At least two range adjusters 31,32, described at least two range adjusters adopt piezoelectric, make executing adjustable length in alive situation, for adjusting described web member relative to the inclined degree measuring light.
Detector, described detector is used for the reflected light of described measurement light in region to be measured received to be converted to electric signal;
Analysis module, the described electric signal that described analysis module receives according to spectral technique process, thus obtain indoor gas as the content of methane, analysis module is the state of the art, does not repeat them here;
Unmanned plane, above-mentioned light source, light deflection module, detector and analysis module are arranged on described unmanned plane.
The method of telemetering of the indoor gas of the utility model embodiment, the method for telemetering of described indoor gas comprises the following steps:
(A1) unmanned plane flies to different floors, and the measurement light that light source sends injects indoor through after light deflection module, and is reflected by glass pane;
(A2) reflected light received is converted to electric signal by detector, and is sent to analysis module;
If measure the interference of light between the reflected light of different reflecting body to exceed threshold value, enter step (A3);
If described interference does not exceed threshold value, enter step (A4);
(A3) degree of tilt of light deflection module relative measurement light is adjusted, measurement light through described smooth deflection module is deflected, and (all light measuring light deflect, but not only the deflection of some light in light is measured in adjustment, if convex lens, concavees lens are to the deflecting action of some light in light beam), thus the incident angle of light on reflecting body is measured in adjustment, enters step (A1); Concrete adjustment mode is:
Adjustment is arranged on the applying voltage of at least two range adjusters of web member side, make its length variations, the inclined degree of the wedge shape transmission device relative measurement light being arranged on described web member opposite side is changed, thus adjustment measure light through the deflection angle after described wedge shape transmission device;
(A4) according to absorption spectroscopy techniques, analysis module show that indoor gas to be measured is as the concentration of methane, and concrete account form can see patent CN1204391C.
Embodiment 2:
The telemetering device of a kind of indoor gas of the utility model embodiment, the telemetering device of described indoor gas comprises:
Light source, as semiconductor laser, described light source is used for sending measurement light, and the wavelength measuring light corresponds to the absorption line of gas to be measured;
Light deflection module, described smooth deflection module comprises:
Wedge shape transmission device, light entrance face and the light-emitting face of described wedge shape transmission device are plane, between keep tilt, described wedge shape transmission device is fixed on the side of web member;
Motor, described wedge shape transmission device is arranged on the rotation axis of described motor, the angle of inclination adjusting described light entrance face relative measurement light is gone to by starter motor, thus adjust whole measurement light (i.e. all light) through the deflection angle after wedge shape transmission device, but not only the deflection of some light in light is measured in adjustment, if convex lens, concavees lens are to the deflecting action of some light in light beam;
Detector, described detector is used for the reflected light of described measurement light in region to be measured received to be converted to electric signal;
Analysis module, the described electric signal that described analysis module receives according to spectral technique process, thus obtain indoor gas as the content of methane, analysis module is the state of the art, does not repeat them here;
Unmanned plane, above-mentioned light source, light deflection module, detector and analysis module are arranged on described unmanned plane.
The method of telemetering of the indoor gas of the utility model embodiment, the method for telemetering of described indoor gas comprises the following steps:
(A1) unmanned plane flies to different floors, and the measurement light that light source sends injects indoor through after light deflection module, and is reflected by glass pane;
(A2) reflected light received is converted to electric signal by detector, and is sent to analysis module;
If measure the interference of light between the reflected light of different reflecting body to exceed threshold value, enter step (A3);
If described interference does not exceed threshold value, enter step (A4);
(A3) adjust the degree of tilt of light deflection module relative measurement light, the measurement light through described smooth deflection module is deflected, thus the incident angle of light on reflecting body is measured in adjustment, enters step (A1); Concrete adjustment mode is:
Starter motor rotates, and the inclined degree of the wedge shape transmission device relative measurement light be arranged on the rotation axis of described motor is changed, thus adjustment measures light through the deflection angle after described wedge shape transmission device;
(A4) according to absorption spectroscopy techniques, analysis module show that indoor gas to be measured is as the concentration of methane, and concrete account form can see patent CN1204391C.
Claims (5)
1. a telemetering device for indoor gas, is characterized in that: the telemetering device of described indoor gas comprises:
Light source, described light source is used for sending measurement light;
Light deflection module, described smooth deflection module is for changing the direct of travel of whole measurement light;
Detector, described detector is used for the reflected light of described measurement light in region to be measured received to be converted to electric signal;
Analysis module, the described electric signal that described analysis module receives according to spectral technique process, thus the content obtaining indoor gas.
2. the telemetering device of indoor gas according to claim 1, is characterized in that: described smooth deflection module comprises further:
Wedge shape transmission device, described wedge shape transmission device is fixed on the side of web member, and described measurement light is through described wedge shape transmission device;
Web member, the opposite side of described web member is fixed with at least two range adjusters;
At least two range adjusters, the adjustable length of described at least two range adjusters, for adjusting described web member relative to the inclined degree measuring light.
3. the telemetering device of indoor gas according to claim 2, is characterized in that: described range adjuster is piezoelectric.
4. the telemetering device of indoor gas according to claim 3, is characterized in that: the telemetering device of described indoor gas comprises further:
Unmanned plane, described light source, light deflection module and detector are arranged on described unmanned plane.
5. the telemetering device of indoor gas according to claim 4, is characterized in that: described analysis module is arranged on described unmanned plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888112.5U CN205103151U (en) | 2015-11-10 | 2015-11-10 | Telemetry unit of indoor gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888112.5U CN205103151U (en) | 2015-11-10 | 2015-11-10 | Telemetry unit of indoor gas |
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| Publication Number | Publication Date |
|---|---|
| CN205103151U true CN205103151U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520888112.5U Active CN205103151U (en) | 2015-11-10 | 2015-11-10 | Telemetry unit of indoor gas |
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| CN (1) | CN205103151U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259125A (en) * | 2015-11-10 | 2016-01-20 | 上海禾赛光电科技有限公司 | Indoor air telemetering device and method |
| CN106092965A (en) * | 2016-08-09 | 2016-11-09 | 上海禾赛光电科技有限公司 | The scanning means of space gases and method |
-
2015
- 2015-11-10 CN CN201520888112.5U patent/CN205103151U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259125A (en) * | 2015-11-10 | 2016-01-20 | 上海禾赛光电科技有限公司 | Indoor air telemetering device and method |
| CN105259125B (en) * | 2015-11-10 | 2018-10-19 | 上海禾赛光电科技有限公司 | The telemetering equipment and method of indoor gas |
| CN106092965A (en) * | 2016-08-09 | 2016-11-09 | 上海禾赛光电科技有限公司 | The scanning means of space gases and method |
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