CN211374480U - Double-light-source double-light-path infrared gas detector - Google Patents
Double-light-source double-light-path infrared gas detector Download PDFInfo
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- CN211374480U CN211374480U CN201921842944.8U CN201921842944U CN211374480U CN 211374480 U CN211374480 U CN 211374480U CN 201921842944 U CN201921842944 U CN 201921842944U CN 211374480 U CN211374480 U CN 211374480U
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Abstract
The utility model provides a double-light source double-light path infrared gas detector, which comprises a rear mirror body module, a display module and a front mirror body module, wherein the front mirror body module comprises a mirror body, a power panel and a main control panel, a photoelectric detector and an optical assembly are arranged in the mirror body, and the photoelectric detector and the power panel are respectively electrically connected with the main control panel; a DB15 connector is further arranged on the power panel; a reflector is arranged at one end of the mirror body, which is far away from the power panel, and a sapphire mirror is arranged between the reflector and the optical assembly; the optical assembly comprises an optical chamber, an infrared measurement light source and an infrared reference light source, and light emitted by the infrared reference light source directly irradiates the photoelectric detector; light emitted by the infrared measurement light source irradiates the reflector through the sapphire lens and is reflected to the photoelectric detector through the reflector. The utility model has the advantages of compact structure just can realize the on-the-spot reading.
Description
Technical Field
The utility model relates to an infrared gas detector, specific theory has related to an infrared gas detector of two light sources two light paths.
Background
Infrared gas detectors use the non-dispersive infrared (NDIR) principle to detect the presence of a target gas in air. Traditional infrared gas detector has only a light source a light path, and light source, optical cavity, photoelectric detector etc. expose in the air, not only easily receive the influence of dust, steam, and the influence of detector receiving sensitivity decay to measurement accuracy can't be avoided moreover, and long-term stability is poor, does not have display module simultaneously, and the on-the-spot reading is inconvenient, and user experience is poor.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at the not enough of prior art to a compact structure just can realize the infrared gas detector of two light sources two light paths of on-the-spot reading is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a double-light source and double-light path infrared gas detector comprises a rear mirror body module, a display module arranged at one side of the rear mirror body module and a front mirror body module with one end arranged at the other side of the rear mirror body module,
the front mirror body module comprises a mirror body, and a power supply board and a main control board which are fixedly arranged on the mirror body, wherein a photoelectric detector and an optical assembly are arranged in the mirror body, and the photoelectric detector and the power supply board are respectively and electrically connected with the main control board; through holes for the photoelectric detector and the optical assembly to pass through are formed in the power panel and the main control panel; the power panel is also provided with a DB15 connector and is connected with the display module through the DB15 connector;
a reflector is arranged at one end of the mirror body, which is far away from the power panel, and a sapphire lens is arranged between the reflector and the optical assembly;
the optical assembly comprises an optical chamber, an infrared measurement light source and an infrared reference light source which are arranged on the outer side of the optical chamber in a back-to-back mode, and light emitted by the infrared reference light source directly irradiates the photoelectric detector; light emitted by the infrared measurement light source irradiates the reflector through the sapphire lens and is reflected to the photoelectric detector through the reflector.
Based on the above, the mirror body comprises a fixing ring in threaded connection with the rear mirror body module, an air chamber with one end mounted on the fixing ring, and a reflector mounting ring fixedly mounted at the other end of the air chamber, and the reflector is mounted on the reflector mounting ring through a reflector clamping ring; a sapphire mounting ring is arranged in the fixing ring, and the sapphire lens is mounted on the sapphire mounting ring through a sapphire lens pressing ring; a board mounting ring is fixedly mounted on one side, away from the air chamber, of the fixing ring, and the power board and the main control board are respectively mounted on the board mounting ring; the photoelectric detector and the optical assembly are fixedly arranged on the fixing ring.
Based on the above, the air chamber is an open air chamber and is provided with a ventilation chimney.
Based on the above, the fixed ring is located air chamber one side still threaded connection has a dust tube.
Based on the above, the rearview mirror further comprises a rear end cover module, and the rear end cover module is covered on the rearview mirror body module.
Based on the above, a transparent window is arranged in the middle of the rear end cover module.
Based on the above, the display module is an LCD dot matrix screen.
Compared with the prior art, the utility model has substantive characteristics and progress, in particular to the utility model, the photoelectric detector, the main control board, the power panel, the light path structure and the display structure are integrated on one device, so that the user can read on site, and the satisfaction of user experience is improved; meanwhile, the air chamber is set to be an open air chamber provided with a ventilation chimney, so that the response speed of the system can be effectively improved; the mirror body is located still threaded connection has a dust tube on one side of the air chamber, further reduces the influence of unstable factors such as dust or corrosive gas to the detection result.
Drawings
Fig. 1 is an exploded view of the structure of the present invention.
Fig. 2 is an exploded view of the rear mirror module according to the present invention.
In the figure: 1. a rear end cap module; 2. a display module; 3. a rear mirror body module; 4. a front mirror body module; 5. a dustcup module; 6. a power panel; a DB15 connector; 8. a main control board; 9. a photodetector; 10. an optical chamber; 11. an infrared measurement light source; 12. an infrared reference light source; 13. a sapphire lens pressing ring; 14. a sapphire lens; 15. a fixing ring; 16. a board card mounting ring; 17. an air chamber; 18. a mirror mounting ring; 19. a mirror; 20. and a reflector clamping ring.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
The utility model provides a two light sources and two light path infrared gas detector, as shown in fig. 1, include rear mirror body module 3, install display module 2 and the one end of rear mirror body module 3 one side are installed the front mirror body module 4 of rear mirror body module 3 opposite side, it is preferred, display module 2 is the LCD dot matrix screen.
Further, in order to isolate the dust falling into the display module 2, the information on the display module 2 is observed by the user, the gas detector further comprises a rear end cover module 1, the rear end cover module 1 covers the rear mirror body module 3, preferably, a transparent window is arranged in the middle of the rear end cover module 1, and the information on the display module 2 can be observed without opening the rear end cover module 1.
As shown in fig. 2, the front mirror body module 4 includes a mirror body, and a power supply board 6 and a main control board 8 fixedly mounted on the mirror body, wherein a photoelectric detector 9 and an optical assembly are mounted in the mirror body, and the photoelectric detector 9 and the power supply board 6 are respectively electrically connected with the main control board 8; the power panel 6 and the main control panel 8 are both provided with through holes for the photoelectric detector 9 and the optical assembly to pass through; the power panel 6 is also provided with a DB15 connector 7, and the power panel 6 is connected with the display module 2 through the DB15 connector 7;
a reflector is arranged at one end of the mirror body, which is far away from the power panel 6, and a sapphire lens 14 is arranged between the reflector and the optical assembly;
the optical component comprises an optical chamber 10, an infrared measurement light source 11 and an infrared reference light source 12 which are arranged on the outer side of the optical chamber 10 in a back-to-back mode, wherein the infrared reference light source 12 is used for reference, light emitted by the infrared reference light source does not react with gas to be measured, and directly irradiates the photoelectric detector 9 to form an independent light path, so that the effect of environmental factors such as temperature, humidity and dust on measurement accuracy is filtered; the infrared measurement light source 11 is used for measuring gas, and light emitted by the infrared measurement light source acts on the gas to be measured after passing through the sapphire lens 14 and is reflected to the photoelectric detector 9 through the reflector 19 to form an independent light path. Preferably, the reflecting mirror 19 is a concave reflecting mirror 19, and light emitted by the infrared measurement light source 11 passes through reflection of the concave reflecting mirror, so that the light path stroke is increased, and the improvement of resolution is facilitated.
Specifically, the mirror body comprises a fixing ring 15 in threaded connection with the rear mirror body module 3, an air chamber 17 with one end mounted on the fixing ring 15, and a reflector mounting ring 18 fixedly mounted at the other end of the air chamber 17, wherein a reflector 19 is mounted on the reflector mounting ring 18 through a reflector clamping ring 20; a sapphire mounting ring is arranged in the fixing ring 15, and the sapphire lens 14 is mounted on the sapphire mounting ring through a sapphire lens pressing ring 13; a board mounting ring 16 is fixedly mounted on one side, away from the air chamber 17, of the fixing ring 15, and the power panel 6 and the main control panel 8 are respectively mounted on the board mounting ring 16; the photodetector 9 and the optical assembly are fixedly mounted on the fixing ring 15.
The utility model discloses with photoelectric detector 9, main control board 8, power strip 6, light path structure and demonstration structure set on an equipment for the user can the on-the-spot reading, has improved user experience's satisfaction and has also avoided infrared reference light source 12, infrared measurement light source 11, photoelectric detector 9, power strip 6 and main control board 8 etc. to expose in the air simultaneously, has both reduced the life that factors such as dust also prolonged above-mentioned equipment simultaneously to the influence of probing result.
Preferably, the air chamber 17 is an open air chamber 17 provided with a ventilation chimney, so as to effectively improve the response speed of the system; further, fixed ring 15 is located air chamber 17 one side still threaded connection has a dustproof section of thick bamboo, further reduces the influence of unstable factors such as dust or corrosive gas to the testing result.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (7)
1. The utility model provides a two infrared gas detectors of light source double-light path which characterized in that: comprises a rear mirror body module, a display module arranged on one side of the rear mirror body module and a front mirror body module with one end arranged on the other side of the rear mirror body module,
the front mirror body module comprises a mirror body, and a power supply board and a main control board which are fixedly arranged on the mirror body, wherein a photoelectric detector and an optical assembly are arranged in the mirror body, and the photoelectric detector and the power supply board are respectively and electrically connected with the main control board; through holes for the photoelectric detector and the optical assembly to pass through are formed in the power panel and the main control panel; the power panel is also provided with a DB15 connector and is connected with the display module through the DB15 connector;
a reflector is arranged at one end of the mirror body, which is far away from the power panel, and a sapphire lens is arranged between the reflector and the optical assembly;
the optical assembly comprises an optical chamber, an infrared measurement light source and an infrared reference light source which are arranged on the outer side of the optical chamber in a back-to-back mode, and light emitted by the infrared reference light source directly irradiates the photoelectric detector; light emitted by the infrared measurement light source irradiates the reflector through the sapphire lens and is reflected to the photoelectric detector through the reflector.
2. The dual light source dual light path infrared gas detector of claim 1, wherein: the mirror body comprises a fixing ring in threaded connection with the rear mirror body module, an air chamber with one end mounted on the fixing ring, and a reflector mounting ring fixedly mounted at the other end of the air chamber, and the reflector is mounted on the reflector mounting ring through a reflector clamping ring; a sapphire mounting ring is arranged in the fixing ring, and the sapphire lens is mounted on the sapphire mounting ring through a sapphire lens pressing ring; a board mounting ring is fixedly mounted on one side, away from the air chamber, of the fixing ring, and the power board and the main control board are respectively mounted on the board mounting ring; the photoelectric detector and the optical assembly are fixedly arranged on the fixing ring.
3. The dual light source dual light path infrared gas detector of claim 2, wherein: the air chamber is an open air chamber and is provided with a ventilation chimney.
4. A dual light source dual light path infrared gas detector as claimed in claim 3 wherein: the fixed ring is positioned on one side of the air chamber and is also in threaded connection with a dustproof barrel.
5. The dual light source dual light path infrared gas detector of claim 1, wherein: the rear end cover module is covered on the rear mirror body module.
6. The dual light source dual light path infrared gas detector of claim 5, wherein: and a transparent window is formed in the middle of the rear end cover module.
7. The dual light source dual light path infrared gas detector of claim 1, wherein: the display module is an LCD dot matrix screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842944.8U CN211374480U (en) | 2019-10-30 | 2019-10-30 | Double-light-source double-light-path infrared gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842944.8U CN211374480U (en) | 2019-10-30 | 2019-10-30 | Double-light-source double-light-path infrared gas detector |
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| Publication Number | Publication Date |
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| CN211374480U true CN211374480U (en) | 2020-08-28 |
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| CN201921842944.8U Active CN211374480U (en) | 2019-10-30 | 2019-10-30 | Double-light-source double-light-path infrared gas detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736700A (en) * | 2019-10-30 | 2020-01-31 | 汉威科技集团股份有限公司 | double-light source double-light path infrared gas detector |
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2019
- 2019-10-30 CN CN201921842944.8U patent/CN211374480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736700A (en) * | 2019-10-30 | 2020-01-31 | 汉威科技集团股份有限公司 | double-light source double-light path infrared gas detector |
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