CN217244381U - Double-channel end-expiration carbon dioxide sensor integrated with infrared light source - Google Patents
Double-channel end-expiration carbon dioxide sensor integrated with infrared light source Download PDFInfo
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- CN217244381U CN217244381U CN202123193650.7U CN202123193650U CN217244381U CN 217244381 U CN217244381 U CN 217244381U CN 202123193650 U CN202123193650 U CN 202123193650U CN 217244381 U CN217244381 U CN 217244381U
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- light source
- infrared light
- storehouse
- carbon dioxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model belongs to the technical field of exhale last carbon dioxide sensor, especially, for an integrated binary channels that has infrared light source exhales last carbon dioxide sensor, including main body cover, main body cover one side is provided with the connector, main body cover one side is provided with gas inlet, gas inlet opposite side is provided with gas outlet, gas inlet one side is provided with the detection storehouse, it is provided with tee bend electromagnetic valve to detect storehouse one side, tee bend electromagnetic valve one side is provided with the air chamber, air chamber one side is provided with the choke valve, choke valve one side is provided with the buffer, buffer one side is provided with the delivery pump. The utility model discloses a temperature-sensing ware, aqueous vapor inductor, temperature compensation storehouse, aqueous vapor separation storehouse, removable cover can reach the detection precision that effectively prevents steam and temperature influence device, and have the purpose of mending the function voluntarily.
Description
Technical Field
The utility model relates to a exhale terminal carbon dioxide sensor technical field, specifically be an integrated binary channels that has infrared light source exhales terminal carbon dioxide sensor.
Background
The double-channel infrared gas sensor is a sensor for detecting target gases (such as carbon dioxide, methane and the like) existing in the air based on a non-dispersive infrared (NDIR) principle, and generally comprises an infrared light source, a double-channel infrared gas detector, an optical cavity and a microprocessor circuit.
The prior art has the following problems:
the existing end-expiratory carbon dioxide sensor adopts a dual-channel infrared sensor, has great influence on the detection accuracy of target gas caused by environmental temperature factors, and lacks functions of resisting water vapor interference, temperature compensation and the like.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an integrated binary channels that has infrared light source exhales last carbon dioxide sensor has solved the problem that exists now.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an integrated binary channels that has infrared light source exhales last carbon dioxide sensor, includes main body cover, main body cover one side is provided with the connector, main body cover one side is provided with gas inlet, the gas inlet opposite side is provided with gas outlet, gas inlet one side is provided with detects the storehouse, it is provided with tee bend solenoid valve to detect storehouse one side, tee bend solenoid valve one side is provided with the air chamber, air chamber one side is provided with the choke valve, choke valve one side is provided with the buffer, buffer one side is provided with the delivery pump.
As the utility model discloses an optimized technical scheme, main body cover one side is provided with removable cover, removable cover passes through the hinge and articulates with main body cover.
As the utility model discloses an optimized technical scheme, detect the inside temperature sensor that sets up in storehouse, temperature sensor one side is provided with the aqueous vapor sensor.
As the utility model discloses an optimized technical scheme, the air chamber inboard is provided with pressure sensor, the choke valve both sides are connected with differential pressure sensor.
As the utility model discloses an it is preferred technical scheme, the inside infrared light source that is provided with of air chamber, infrared light source one side is provided with the light filter, the light filter bottom is provided with double-circuit infrared receiver, double-circuit infrared receiver one side is provided with leading amplifier plate, leading amplifier plate one side is provided with main circuit board.
As the utility model discloses a preferred technical scheme, output pump one side is through the gaseous export of pipe connection, tee bend solenoid valve one side is connected with the air chamber, tee bend solenoid valve opposite side is connected with water gas separation storehouse, water gas separation storehouse one side is provided with the temperature compensation storehouse, temperature compensation storehouse one side is connected with the air chamber.
Compared with the prior art, the utility model provides an integrated binary channels that has infrared light source exhales last carbon dioxide sensor possesses following beneficial effect:
according to the double-channel end-expiratory carbon dioxide sensor integrated with the infrared light source, the movable cover plate is hinged with the main body shell through the hinge, so that the detection and maintenance of the main body of the sensor are facilitated; the temperature sensor and the water-gas sensor are arranged in the gas box detection bin, so that various data of gas entering the device main body can be conveniently known, and the detection accuracy of the device is prevented from being influenced; a pressure sensor is arranged on the inner side of the air chamber, differential pressure sensors are connected to two sides of the throttle valve, the pressure sensors sense the internal air pressure, and the throttle valve controls the air flow; an infrared light source is arranged in the air chamber, a light filter is arranged on one side of the infrared light source, a double-path infrared receiver is arranged at the bottom end of the light filter, a front amplification plate is arranged on one side of the double-path infrared receiver, a main circuit board is arranged on one side of the front amplification plate, the infrared light source provides light to penetrate through a detected gas, the detected gas is received by the double-path infrared receiver through the light filter, the detection accuracy is improved through the front amplification plate, and gas data are detected through an internal processing chip of the main circuit board; output pump one side is passed through the pipe connection gas outlet, tee bend solenoid valve one side is connected with the air chamber, tee bend solenoid valve opposite side is connected with aqueous vapor separation storehouse, aqueous vapor separation storehouse one side is provided with the temperature compensation storehouse, temperature compensation storehouse one side is connected with the air chamber, drive inside gas circulation through the output pump, it is not conform to the standard when gaseous temperature humidity through tee bend solenoid valve, mend with the temperature compensation storehouse through aqueous vapor separation storehouse, effectively prevent steam and temperature influence device detection effect, improve the precision that detects.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the flow structure of the present invention;
fig. 4 is the structure schematic diagram of the detection bin of the present invention.
In the figure: 1. a main body housing; 101. a removable cover plate; 2. a connector; 3. a gas inlet; 4. a gas outlet; 5. a detection bin; 501. a temperature sensor; 502. a water gas sensor; 6. a three-way electromagnetic valve; 601. a water-gas separation bin; 602. a temperature compensation bin; 7. an air chamber; 8. a throttle valve; 9. a buffer; 10. an output pump; 11. a pressure sensor; 13. a differential pressure sensor; 14. an infrared light source; 15. an optical filter; 16. a double-path infrared receiver; 17. a pre-amplification plate; 18. the main circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in this embodiment: the utility model provides an integrated binary channels that has infrared light source exhales last carbon dioxide sensor, including main body cover 1, 1 one side of main body cover is provided with connector 2, 1 one side of main body cover is provided with gas inlet 3, 3 opposite sides of gas inlet are provided with gas outlet 4, 3 one sides of gas inlet are provided with and detect storehouse 5, it is provided with tee bend solenoid valve 6 to detect 5 one sides in storehouse, 6 one side of tee bend solenoid valve is provided with air chamber 7, air chamber 7 one side is provided with choke valve 8, choke valve 8 one side is provided with buffer 9, buffer 9 one side is provided with delivery pump 10.
In the embodiment, a movable cover plate 101 is arranged on one side of the main body shell 1, and the movable cover plate 101 is hinged with the main body shell 1 through a hinge, so that the detection and maintenance of the main body of the device are facilitated; a temperature sensor 501 is arranged in the detection bin 5, and a water-gas sensor 502 is arranged on one side of the temperature sensor 501, so that various data of gas entering the device main body can be conveniently known, and the detection accuracy of the device is prevented from being influenced; a pressure sensor 11 is arranged on the inner side of the air chamber 7, a differential pressure sensor 13 is connected to two sides of the throttle valve 8, the pressure sensor 11 senses the internal air pressure, and the throttle valve 8 controls the air flow; an infrared light source 14 is arranged in the air chamber 7, a light filter 15 is arranged on one side of the infrared light source 14, a double-path infrared receiver 16 is arranged at the bottom end of the light filter 15, a pre-amplification plate 17 is arranged on one side of the double-path infrared receiver 16, a main circuit board 18 is arranged on one side of the pre-amplification plate 17, the infrared light source 14 provides light source to penetrate through the gas to be detected, the gas is received by the double-path infrared receiver 16 through the light filter 15, the detection accuracy is improved through the pre-amplification plate 17, and gas data is detected through a processing chip in the main circuit board 18; output pump 10 one side is passed through pipe connection gas outlet 4, 6 one side of tee bend solenoid valve is connected with air chamber 7, 6 opposite sides of tee bend solenoid valve are connected with aqueous vapor separation storehouse 601, aqueous vapor separation storehouse 601 one side is provided with temperature compensation storehouse 602, temperature compensation storehouse 602 one side is connected with air chamber 7, drive inside gas circulation through output pump 10, it is not qualified for the standard when gaseous temperature humidity through tee bend solenoid valve 6, revive with temperature compensation storehouse 602 through aqueous vapor separation storehouse 601, effectively prevent steam and temperature influence device detection effect, improve the precision that detects.
The utility model discloses a theory of operation and use flow: when the device is used, the movable cover plate 101 is hinged with the main body shell 1 through a hinge, so that the detection and maintenance of the device main body are facilitated; a temperature sensor 501 is arranged in the detection bin 5, and a water-gas sensor 502 is arranged on one side of the temperature sensor 501, so that various data of gas entering the device main body can be conveniently known, and the detection accuracy of the device is prevented from being influenced; a pressure sensor 11 is arranged on the inner side of the air chamber 7, a differential pressure sensor 13 is connected to two sides of the throttle valve 8, the pressure sensor 11 senses the internal air pressure, and the throttle valve 8 controls the air flow; an infrared light source 14 is arranged in the air chamber 7, a light filter 15 is arranged on one side of the infrared light source 14, a double-path infrared receiver 16 is arranged at the bottom end of the light filter 15, a pre-amplification plate 17 is arranged on one side of the double-path infrared receiver 16, a main circuit board 18 is arranged on one side of the pre-amplification plate 17, the infrared light source 14 provides light source to penetrate through the gas to be detected, the gas is received by the double-path infrared receiver 16 through the light filter 15, the detection accuracy is improved through the pre-amplification plate 17, and gas data is detected through a processing chip in the main circuit board 18; output pump 10 one side is passed through pipe connection gas outlet 4, 6 one side of tee bend solenoid valve is connected with air chamber 7, 6 opposite sides of tee bend solenoid valve are connected with aqueous vapor separation storehouse 601, aqueous vapor separation storehouse 601 one side is provided with temperature compensation storehouse 602, temperature compensation storehouse 602 one side is connected with air chamber 7, drive inside gas circulation through output pump 10, it is not qualified for the standard when gaseous temperature humidity through tee bend solenoid valve 6, revive with temperature compensation storehouse 602 through aqueous vapor separation storehouse 601, effectively prevent steam and temperature influence device detection effect, improve the precision that detects.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an end carbon dioxide sensor is exhaled to binary channels that integration has infrared light source, includes main body cover (1), its characterized in that: main body cover (1) one side is provided with connector (2), main body cover (1) one side is provided with gas inlet (3), gas inlet (3) opposite side is provided with gas outlet (4), gas inlet (3) one side is provided with detects storehouse (5), it is provided with tee bend solenoid valve (6) to detect storehouse (5) one side, tee bend solenoid valve (6) one side is provided with air chamber (7), air chamber (7) one side is provided with choke valve (8), choke valve (8) one side is provided with buffer (9), buffer (9) one side is provided with delivery pump (10).
2. The two-channel end-tidal carbon dioxide sensor integrated with an infrared light source of claim 1, wherein: main body cover (1) one side is provided with removable cover (101), removable cover (101) are articulated with main body cover (1) through the hinge.
3. The two-channel end-tidal carbon dioxide sensor integrated with an infrared light source of claim 1, wherein: the temperature sensor (501) is arranged in the detection bin (5), and the water-gas sensor (502) is arranged on one side of the temperature sensor (501).
4. The two-channel end-tidal carbon dioxide sensor integrated with an infrared light source of claim 1, wherein: the air chamber (7) inboard is provided with pressure sensor (11), choke valve (8) both sides are connected with differential pressure sensor (13).
5. The two-channel end-tidal carbon dioxide sensor integrated with an infrared light source of claim 1, wherein: the infrared light source (14) is arranged in the air chamber (7), the optical filter (15) is arranged on one side of the infrared light source (14), the double-path infrared receiver (16) is arranged at the bottom end of the optical filter (15), the preposed amplification plate (17) is arranged on one side of the double-path infrared receiver (16), and the main circuit board (18) is arranged on one side of the preposed amplification plate (17).
6. The two-channel end-tidal carbon dioxide sensor integrated with an infrared light source of claim 1, wherein: output pump (10) one side is through pipe connection gas outlet (4), tee bend solenoid valve (6) one side is connected with air chamber (7), tee bend solenoid valve (6) opposite side is connected with aqueous vapor separation storehouse (601), aqueous vapor separation storehouse (601) one side is provided with temperature compensation storehouse (602), temperature compensation storehouse (602) one side is connected with air chamber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123193650.7U CN217244381U (en) | 2021-12-16 | 2021-12-16 | Double-channel end-expiration carbon dioxide sensor integrated with infrared light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123193650.7U CN217244381U (en) | 2021-12-16 | 2021-12-16 | Double-channel end-expiration carbon dioxide sensor integrated with infrared light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217244381U true CN217244381U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123193650.7U Active CN217244381U (en) | 2021-12-16 | 2021-12-16 | Double-channel end-expiration carbon dioxide sensor integrated with infrared light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217244381U (en) |
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2021
- 2021-12-16 CN CN202123193650.7U patent/CN217244381U/en active Active
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