CN209460131U - A kind of carbon dioxide concentration detecting device - Google Patents
A kind of carbon dioxide concentration detecting device Download PDFInfo
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- CN209460131U CN209460131U CN201821615218.8U CN201821615218U CN209460131U CN 209460131 U CN209460131 U CN 209460131U CN 201821615218 U CN201821615218 U CN 201821615218U CN 209460131 U CN209460131 U CN 209460131U
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Abstract
The utility model discloses a kind of carbon dioxide concentration detecting device, the device includes: shell, the first light source and second light source being respectively arranged at left and right sides of the shell, it is installed on the first light detection device and the second light detection device of housing central section, and it is formed in the first gas passage between the first light source and the first light detection device, the first light detection device is for receiving the light that first light source gives off, its first path channels that the first gas passage is formed through between first light source, the second light detection device is for receiving the light that second light source gives off.The utility model by the same apparatus simultaneously measuring detected gas twice, and will test two concentration value is compared, and exports optimum concentration value outward later.
Description
Technical field
The utility model relates to gas detection technology field more particularly to a kind of carbon dioxide concentration detecting devices.
Background technique
Dioxide component indoor and in environment number, have critically important influence to each field, with the modern times
Society is constantly progressive, and the content of carbon dioxide also gradually becomes more, and the excessively high meeting of removing of carbon dioxide content ingredient survives to us
Environment generate threaten it is outer can also the health even life security to us produce serious influence.
Traditional carbon dioxide detection device generally uses measuring system of the infrared ray as medium, utilizes carbon dioxide
The physical features of 4.26 μm of infrared rays of absorbing wavelength selectively accurately measure the partial pressure of carbon dioxide, absorb relationship and obey
Lamber-Beer law (one Beer law of lambert).Infrared absorption type gas analysis detector is generally by the source of infrared radiation, measurement
The composition such as gas chamber, wavelength selection system (optical filter), infrared detection device.When the absorption spectrum of gas is in incident light spectral region
It is interior, then the decaying of energy can occur at respective wavelength, do not inhaled after the light that the source of infrared radiation issues penetrates tested gas
The radiation of receipts can be measured by infrared detection device, therefore, by measuring the attenuation of the line energy, can learn tested gas
Concentration.But existing carbon dioxide detection device volume is big, and space utilization rate is low, and the data that measurement obtains are inaccurate.
Therefore, the prior art is defective, needs to improve.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of carbon dioxide concentration detecting device.
The technical solution of the utility model is as follows: the utility model provides a kind of carbon dioxide concentration detecting device, comprising:
Shell, the first light source being respectively arranged at left and right sides of the shell and second light source, the first light for being installed on housing central section
It detection device and the second light detection device and is formed between the first light source and the first light detection device
First gas passage, the first light detection device for receiving the light that first light source gives off, with first light source it
Between be formed through the first path channels of the first gas passage, the second light detection device is for receiving the second light
The light that source radiation goes out.
It further include the second gas channel being formed between the second light source and the second light detection device, it is described
Second path channels in the second gas channel are formed through between second light detection device and second light source.
The first light source is axisymmetricly arranged with second light source.
The incidence surface of the first light detection device and the second light detection device is equipped with optical filter.
The material of the shell is light-proof material.
The material of the shell is the hard materials such as plastics or metal.
The first light detection device realized with the second light detection device by same device, phase on the same device
Two sides are provided with the window for receiving light.
The baffle for stopping light is equipped between the first light detection device and the second light detection device.
Using the above scheme, the utility model provides a kind of carbon dioxide concentration detecting device, in the same apparatus simultaneously
Detected gas is measured, and will test two concentration value is compared twice, exports optium concentration outward later
Value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the utility model carbon dioxide concentration detecting device.
Fig. 2 is the structural schematic diagram of another embodiment of the utility model carbon dioxide concentration detecting device.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model provides a kind of carbon dioxide concentration detecting device, in the same apparatus simultaneously to detected gas into
Row measures twice, and will test two concentration value is compared, and exports optimum concentration value outward later.Referring to Fig. 1, should
Detection device includes: shell 2, is respectively arranged in the first light source 1 of 2 left and right sides of the shell and second light source 10, is installed on
The first light detection device 5 at the middle part of shell 2 and the second light detection device 6 and be formed in the first light source 1 with it is described
First gas passage between first light detection device 5, the first light detection device 5 is for receiving 1 spoke of first light source
The first path channels 4 of the first gas passage 3, the first light are formed through between the light of injection, with first light source 1
The light that source 1 gives off can be incident upon in the first light detection device 5, so as to utilize phase in the light detected
The attenuation of line energy is answered to obtain tested gas carbon dioxide concentration.The second light detection device 6 is for receiving the
The light that two light sources 10 give off, the light that second light source 10 gives off can be incident upon in the second light detection device 6,
So as to obtain tested gas carbon dioxide concentration using the attenuation of line energy corresponding in the light detected.To
One gas passage 3 imports tested gas, is powered to the first light source 1 with second light source 10, the two gives off light；First light
Line detection device 5 detects the light that first light source 1 gives off, and obtains gas concentration value, the second light detection device 6 detection second
The light that light source 10 gives off, obtains gas concentration value.Two gas concentration values are compared, and are maximized as best
Value, while output outward.
Alternative, the incidence surface of the first light detection device 5 and the second light detection device 6, which is equipped with, to filter
Piece, in order to test.The first light source 1 is axisymmetricly arranged with second light source 10, can also be that parallel mode is arranged.
Alternative, the material of the shell 2 is light-proof material, as long as the material of shading can meet demand.
Preferably, the material of the shell 2 is plastics, light-weight, and price is low.
The first light detection device 5 and the second light detection device 6 can two mutually independent devices realize,
It can be realized by same device.When being realized by same device, opposite sides is provided with the window for receiving light on the same device
Mouthful.Further, the baffle for stopping light, benefit are equipped between the first light detection device 5 and the second light detection device 6
Shell 2 is divided into two mutually independent test spaces with baffle, avoids the light of two sides from interfering with each other, improves the essence of detection
Degree.
In the light that the first light source 1 is projected with second light source 10, filter can be installed additional before not contacting with detected gas
Mirror is filtered, in order to measure.
The channel structure of carbon dioxide concentration detecting device provided by the utility model is in use, can be logical by two
The air port in road is applied in different environment simultaneously, can be with the effect of the equipment such as real-time detection fresh air machine.
Referring to Fig. 2, in order to promote the precision of detection, the carbon dioxide concentration detecting device further include be formed in it is described
Second gas channel 8 between second light source 10 and the second light detection device 6, the second light detection device 6 with
Second path channels 7 in the second gas channel 8 are formed through between second light source 10.Working principle are as follows: give the first gas
Body channel 3 and second gas channel 8 import tested gas, are powered to the first light source 1 with second light source 10, the two gives off
Light；The light that first light detection device 5 detection first light source 1 gives off obtains gas concentration value, the second light detection dress
The light that 6 detection second light sources 10 give off is set, obtains gas concentration value.Two gas concentration values are compared, and are taken most
Big value is used as optimum value, while output outward.
The first light source 1, second light source 10, the first light detection device 5 and the second light detection device 6 can use
Same power supply is powered, and can also just be opened and is individually powered.
In conclusion the utility model provides a kind of carbon dioxide concentration detecting device, in the same apparatus simultaneously to quilt
Detection gas are measured twice, and will test two concentration value is compared, and export optimum concentration value outward later.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (8)
1. a kind of carbon dioxide concentration detecting device characterized by comprising shell is respectively arranged in the shell or so two
The first light source of side and second light source, the first light detection device for being installed on housing central section and the second light detection device, with
And it is formed in the first gas passage between the first light source and the first light detection device, the first light detection
Device is formed through the first gas passage for receiving the light that first light source gives off between first light source
First path channels, the second light detection device is for receiving the light that second light source gives off.
2. carbon dioxide concentration detecting device according to claim 1, which is characterized in that further include being formed in described second
Second gas channel between light source and the second light detection device, the second light detection device and second light source it
Between be formed through second path channels in the second gas channel.
3. carbon dioxide concentration detecting device according to claim 2, which is characterized in that the first light source and the second light
Source is axisymmetricly arranged.
4. carbon dioxide concentration detecting device according to claim 1, which is characterized in that the first light detection device
Optical filter is equipped with the incidence surface of the second light detection device.
5. carbon dioxide concentration detecting device according to claim 1, which is characterized in that the material of the shell is impermeable
Luminescent material.
6. carbon dioxide concentration detecting device according to claim 5, which is characterized in that the material of the shell is modeling
Material.
7. carbon dioxide concentration detecting device according to claim 1, which is characterized in that the first light detection device
It is realized with the second light detection device by same device, opposite sides is provided with the window for receiving light on the same device.
8. carbon dioxide concentration detecting device according to claim 1, which is characterized in that the first light detection device
The baffle for stopping light is equipped between the second light detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821615218.8U CN209460131U (en) | 2018-09-30 | 2018-09-30 | A kind of carbon dioxide concentration detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821615218.8U CN209460131U (en) | 2018-09-30 | 2018-09-30 | A kind of carbon dioxide concentration detecting device |
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| Publication Number | Publication Date |
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| CN209460131U true CN209460131U (en) | 2019-10-01 |
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| CN201821615218.8U Active CN209460131U (en) | 2018-09-30 | 2018-09-30 | A kind of carbon dioxide concentration detecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060667A (en) * | 2018-09-30 | 2018-12-21 | 深圳益杉创新科技有限公司 | A kind of carbon dioxide concentration detecting device and detection method |
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2018
- 2018-09-30 CN CN201821615218.8U patent/CN209460131U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060667A (en) * | 2018-09-30 | 2018-12-21 | 深圳益杉创新科技有限公司 | A kind of carbon dioxide concentration detecting device and detection method |
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