CN205103145U - All -round detection device of indoor gas - Google Patents
All -round detection device of indoor gas Download PDFInfo
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- CN205103145U CN205103145U CN201520888189.2U CN201520888189U CN205103145U CN 205103145 U CN205103145 U CN 205103145U CN 201520888189 U CN201520888189 U CN 201520888189U CN 205103145 U CN205103145 U CN 205103145U
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Abstract
The utility model provides an all -round detection device of indoor gas, all -round detection device of indoor gas includes: the light source, the light source is used for sending 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, revolve the rotary die piece, it is used for rotatoryly to revolve the rotary die piece light source and detector make measure light and jet into indoor different zone, 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 detection area is wide.
Description
Technical field
The utility model relates to photoelectric analysis, particularly the comprehensive pick-up unit 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.Such as, in industrial and mineral plant area, owing to having methane gas in coal mining tunnel, if the drawing badly of tunnel, methane content easily reaches its explosion limits, if at this moment meet naked light, wind is easily blasted.Therefore, accurately detect methane concentration and find that source of leaks is most important.
At present, what the detector for indoor CH_4 detection was measured is all along the methane information on the light path of a fixed-direction, as the methane concentration in whole space.But for the situation of methane spatial concentration distribution inequality, be inaccurate using the gas information to be measured of a direction as the concentration in whole space, and be not easy to find methane oxidizing archaea source.
Utility model content
For solving the deficiency in above-mentioned prior art, the utility model provides a kind of comprehensive pick-up unit detecting accurate, safe indoor gas.
The purpose of this utility model is achieved through the following technical solutions:
A comprehensive pick-up unit for indoor gas, the comprehensive pick-up unit of described indoor gas comprises:
Light source, described light source is used for sending 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;
Rotary module, described rotary module, for rotating described light source and detector, makes described measurement light inject indoor zones of different;
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 comprehensive pick-up unit of above-mentioned indoor gas, preferably, described rotary module comprises further:
First motor, the second motor, described second motor is arranged on the rotation axis of the first motor, and described light source, detector are arranged on the rotation axis of described second motor; Described first motor is mutually vertical with the plane of rotation of the second motor.
According to the comprehensive pick-up unit of above-mentioned indoor gas, alternatively, the comprehensive pick-up unit of described indoor gas comprises further:
Light collection module, the reflected light of described measurement light in region to be measured through described smooth collection module post-concentration on described detector.
According to the comprehensive pick-up unit of above-mentioned indoor gas, preferably, light collection module is convex lens.
According to the comprehensive pick-up unit of above-mentioned indoor gas, preferably, described light source is semiconductor laser.
According to the comprehensive pick-up unit of above-mentioned indoor gas, alternatively, the comprehensive pick-up unit of described indoor gas comprises further:
Power module, described power module is that described light source, detector, rotary module and analysis module are powered.
According to the comprehensive pick-up unit of above-mentioned indoor gas, alternatively, the comprehensive pick-up unit of described indoor gas comprises further:
Decision circuitry, whether the content that described decision circuitry discriminatory analysis module transports exceeds threshold value;
As exceeded threshold value, prompting alarm is reported to the police;
As do not exceeded threshold value, without the need to reporting to the police;
Alarm, described alarm points out warning according to the judged result of described decision circuitry
Compared with prior art, the beneficial effect that the utility model has is:
Detect accurately, light source and detector can all-directional rotations, when installing on the ceiling, can gas content in sensing chamber in either direction, there is no dead angle, achieve the comprehensive detection of indoor gas, and warning can be provided in time, thus ensure that indoor occupant safety.
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 comprehensive pick-up unit of indoor gas according to the utility model embodiment.
Embodiment
Fig. 1 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:
Fig. 1 schematically illustrates the structure diagram of the comprehensive pick-up unit of a kind of indoor gas of the utility model embodiment, and as shown in Figure 1, the comprehensive pick-up unit of described indoor gas comprises:
Light source, as used semiconductor laser, described light source is used for sending measurement light, measures the corresponding gas to be measured of wavelength of light as the absorption line of methane;
Light collection module, as convex lens, for converging to detector by the reflected light of described measurement light in region to be measured;
Detector, described detector is used for the described reflected light received to be converted to electric signal;
Rotary module, described rotary module is used at the described light source of rotation and detector, and make described measurement light inject indoor zones of different, reflected light is received by described detector; Described rotary module comprises:
First motor, the second motor, described second motor is arranged on the rotation axis of the first motor, and described light source, detector are arranged on the rotation axis of described second motor; Described first motor is mutually vertical with the plane of rotation of the second motor, thus the light that light source is sent inject indoor each party to, reflected light is received by described detector;
Analysis module, the described electric signal that described analysis module receives according to spectral technique process, thus the content obtaining indoor gas, concrete account form can see patent CN1204391C;
Decision circuitry, whether the content that described decision circuitry discriminatory analysis module transports exceeds threshold value;
As exceeded threshold value, prompting alarm is reported to the police;
As do not exceeded threshold value, without the need to reporting to the police;
Alarm, described alarm points out warning according to the judged result of described decision circuitry;
Power module, described power module is that described light source, detector, rotary module, analysis module, decision circuitry and alarm are powered.
Claims (7)
1. a comprehensive pick-up unit for indoor gas, is characterized in that: the comprehensive pick-up unit of described indoor gas comprises:
Light source, described light source is used for sending 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;
Rotary module, described rotary module, for rotating described light source and detector, makes described measurement light inject indoor zones of different;
Analysis module, the described electric signal that described analysis module receives according to spectral technique process, thus the content obtaining indoor gas.
2. the comprehensive pick-up unit of indoor gas according to claim 1, is characterized in that: described rotary module comprises further:
First motor, the second motor, described second motor is arranged on the rotation axis of the first motor, and described light source, detector are arranged on the rotation axis of described second motor; Described first motor is mutually vertical with the plane of rotation of the second motor.
3. the comprehensive pick-up unit of indoor gas according to claim 1, is characterized in that: the comprehensive pick-up unit of described indoor gas comprises further:
Light collection module, the reflected light of described measurement light in region to be measured through described smooth collection module post-concentration on described detector.
4. the comprehensive pick-up unit of indoor gas according to claim 3, is characterized in that: described smooth collection module is convex lens.
5. the comprehensive pick-up unit of indoor gas according to claim 1, is characterized in that: described light source is semiconductor laser.
6. the comprehensive pick-up unit of indoor gas according to claim 1, is characterized in that: the comprehensive pick-up unit of described indoor gas comprises further:
Power module, described power module is that described light source, detector, rotary module and analysis module are powered.
7. the comprehensive pick-up unit of indoor gas according to claim 1, is characterized in that: the comprehensive pick-up unit of described indoor gas comprises further:
Decision circuitry, whether the content that described decision circuitry discriminatory analysis module transports exceeds threshold value;
As exceeded threshold value, prompting alarm is reported to the police;
As do not exceeded threshold value, without the need to reporting to the police;
Alarm, described alarm points out warning according to the judged result of described decision circuitry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888189.2U CN205103145U (en) | 2015-11-10 | 2015-11-10 | All -round detection device of indoor gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888189.2U CN205103145U (en) | 2015-11-10 | 2015-11-10 | All -round detection device of indoor gas |
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| CN205103145U true CN205103145U (en) | 2016-03-23 |
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| CN201520888189.2U Active CN205103145U (en) | 2015-11-10 | 2015-11-10 | All -round detection device of indoor gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108088492A (en) * | 2016-11-21 | 2018-05-29 | 苏州三星电子有限公司 | A kind of kitchen safety monitoring assembly and there is this refrigerator |
| CN112577672A (en) * | 2020-11-06 | 2021-03-30 | 清华大学 | Methane remote sensing spatial distribution monitoring alarm system based on grid method |
-
2015
- 2015-11-10 CN CN201520888189.2U patent/CN205103145U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108088492A (en) * | 2016-11-21 | 2018-05-29 | 苏州三星电子有限公司 | A kind of kitchen safety monitoring assembly and there is this refrigerator |
| CN112577672A (en) * | 2020-11-06 | 2021-03-30 | 清华大学 | Methane remote sensing spatial distribution monitoring alarm system based on grid method |
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