CN202693557U - Equipment and vehicle for detecting in-vehicle air quality - Google Patents
Equipment and vehicle for detecting in-vehicle air quality Download PDFInfo
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- CN202693557U CN202693557U CN 201220324764 CN201220324764U CN202693557U CN 202693557 U CN202693557 U CN 202693557U CN 201220324764 CN201220324764 CN 201220324764 CN 201220324764 U CN201220324764 U CN 201220324764U CN 202693557 U CN202693557 U CN 202693557U
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- carbon dioxide
- electric signal
- signal
- gas concentration
- vehicle
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- Air-Conditioning For Vehicles (AREA)
Abstract
The embodiment of the utility model provides equipment and a vehicle for detecting in-vehicle air quality and belongs to the technical field of vehicle environmental protection. The equipment is applied to the vehicle and comprises at least one carbon dioxide concentration sensor, a signal acquirer, an amplifying circuit, a filter and a signal processor, wherein the carbon dioxide concentration sensor is used for acquiring concentration of carbon dioxide in the air, the signal acquirer is connected with the carbon dioxide concentration sensor and used for acquiring a first electric signal corresponding to the concentration of carbon dioxide, the amplifying circuit is connected with the signal acquirer and used for amplifying the first electric signal to generate a second electric signal, the filter is connected with the amplifying circuit and used for filtering a scheduled-waveband signal of the second electric signal to generate a third electric signal, and the signal processor is connected with the filter and used for converting the third electric signal into carbon dioxide concentration data. With adoption of the vehicle and equipment provided by the utility model, a user can well know the in-vehicle air quality condition in real time.
Description
Technical field
The utility model relates to the vehicle environmental protection technology, refers to especially a kind of equipment and vehicle that in-car air quality is detected.
Background technology
The in-vehicle exposure source mainly contains: bonding agent, leather, plastics and rubber, air-conditioning produce mould, engine running; The above two are maximum to the harm of human body.Pollution source can produce carbon dioxide (Carbon Dioxide, CO2), and carbon dioxide is the gas of colorless and odorless odorless at normal temperatures, is one of main greenhouse gas, one of Air Pollutant Discharge.
The product that carries out at present the car inner air-cleaning mainly contains several classes: Vehicular photo, its shortcoming is in the vehicle owing to post the article such as antiultraviolet film, cause the interior uitraviolet intensity of car very low, and the ability of photocatalyst resolving harmful gas and uitraviolet intensity are directly proportional, so the Vehicular photo role is very limited, use at present the vehicle of Vehicular photo also fewer and feweri.Purifier for vehicle and anion generator, but its shortcoming is: do not contact the pollution source such as leather and rubber cushion, that pollution source are discharging pollution on one side, to purify on one side, if close vehicle window, be equivalent to people and clarifier and absorb together harmful gas, the efficient of its clear pollutant is not even as opening the window.Ozone, and the activated charcoal with physical adsorbability.
No matter adopt which kind of mode to remove in-vehicle exposure, learn the air quality situation in the vehicle when all needing to allow driver and passenger real.
The utility model content
The technical problems to be solved in the utility model provides a kind of equipment and vehicle that in-car air quality is detected, and the quality of vehicle interior air is detected.
The utility model embodiment provides a kind of equipment that in-car air quality is detected, and is applied to vehicle, comprising:
At least one obtains the gas concentration lwevel sensor of the concentration of airborne carbon dioxide;
Be connected with described gas concentration lwevel sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described carbon dioxide;
Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal;
Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal;
Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of carbon dioxide.
Above-mentioned equipment wherein, also comprises: be connected with signal processor, for the display screen of the concentration data that shows described carbon dioxide.
Above-mentioned equipment wherein, also comprises: be connected with described signal processor, be used for when the concentration data of described carbon dioxide during greater than the gas concentration lwevel threshold value of correspondence the gas concentration lwevel alarm of reporting to the police.
Above-mentioned equipment, wherein, described gas concentration lwevel sensor is positioned at the back side of room mirror mirror case.
Above-mentioned equipment, wherein, described gas concentration lwevel sensor comprises:
The micro air pump that is used for the air of absorption predetermined;
The air chamber that is used for the air of accommodating described predetermined;
For detection of the detection module that behind the airborne carbon dioxide of described predetermined, generates described the first electric signal.
A kind of vehicle comprises the equipment that in-car air quality is detected, and described equipment comprises:
At least one obtains the gas concentration lwevel sensor of the concentration of airborne carbon dioxide;
Be connected with described gas concentration lwevel sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described carbon dioxide;
Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal;
Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal;
Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of carbon dioxide.
Above-mentioned vehicle wherein, also comprises: be connected with signal processor, for the display screen of the concentration data that shows described carbon dioxide.
Above-mentioned vehicle wherein, also comprises: be connected with described signal processor, be used for when the concentration data of described carbon dioxide during greater than the gas concentration lwevel threshold value of correspondence the gas concentration lwevel alarm of reporting to the police.
Above-mentioned vehicle, wherein, described gas concentration lwevel sensor is positioned at the back side of room mirror mirror case.
Above-mentioned vehicle, wherein, described gas concentration lwevel sensor comprises:
The micro air pump that is used for the air of absorption predetermined;
The air chamber that is used for the air of accommodating described predetermined;
For detection of the detection module that behind the airborne carbon dioxide of described predetermined, generates described the first electric signal.
The technical scheme that provides is provided, sensor obtains the concentration of airborne pollutant-carbon dioxide, after signal amplification and filtering, the concentration data of the carbon dioxide that generation can be shown or compare with alarm threshold value is so that the user can learn the air quality situation in the vehicle in real time.
Description of drawings
Fig. 1 represents a kind of device structure synoptic diagram one that detects vehicle inner air quality;
Fig. 2 represents a kind of device structure synoptic diagram two that detects vehicle inner air quality.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model embodiment provides a kind of equipment that detects vehicle inner air quality, as shown in Figure 1, is applied to vehicle, comprising:
At least one obtains the gas concentration lwevel sensor (there is shown two) of the concentration of airborne carbon dioxide in the vehicle, and described gas concentration lwevel sensor generates first electric signal corresponding with the concentration of carbon dioxide;
Be connected with described gas concentration lwevel sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described carbon dioxide;
Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal;
Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal;
Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of carbon dioxide.
Wherein, described predetermined band signal is the noise signal in described the second electric signal, those skilled in the art can arrange described predetermined band according to the specific implementation circuit of signal picker and amplifying circuit, and design the circuit of described wave filter according to described the second electric signal and described predetermined band.Described signal processor is specifically as follows an analog to digital converter.
The technical scheme that provides is provided, sensor obtains the concentration of airborne pollutant-carbon dioxide, after signal amplification and filtering, the concentration data of the carbon dioxide that generation can be shown or compare with alarm threshold value is so that the user can learn the air quality situation in the vehicle in real time.
In a preferred embodiment, as shown in Figure 2, also comprise:
Be connected with signal processor, for the display screen of the concentration data that shows described carbon dioxide.
In a preferred embodiment, as shown in Figure 2, also comprise:
Be connected with signal processor, be used for when the concentration data of described carbon dioxide during greater than the gas concentration lwevel threshold value of correspondence the gas concentration lwevel alarm of reporting to the police.Wherein, the gas concentration lwevel threshold value is a kind of concrete alarm threshold value.
In a preferred embodiment, the gas concentration lwevel sensor comprises:
The micro air pump that is used for the air of absorption predetermined;
The air chamber that is used for the air of accommodating described predetermined;
For detection of the detection module that behind the airborne carbon dioxide of described predetermined, generates described the first electric signal.
In an application scenarios, on the diverse location of gas concentration lwevel installation of sensors in vehicle, for example, be positioned at the back side and other places of room mirror mirror case, its principle of work is:
Air in the vehicle through the micro air pump automatic suction to vaporizer, rear in the vaporizer vaporization (is carrier gas by inert gas, also be mobile phase) bring chromatographic column into, chromatographic column contains fixedly phase of liquid or solid, because the boiling point of each sample component, polarity or absorption property are different, every kind of sample component is all tended to form between mobile phase and fixing phase and is distributed or adsorption equilibrium.Because flowing of carrier gas, it is attached to make sample component carry out at the volley repeated multiple times distribution or adsorption/desorption, and the result is that the sample component that concentration is large in carrier gas flows out first chromatographic column, and flows out chromatographic column after the large sample component of distribution concentration fixing in mutually.Sample component enters detection module after flowing out chromatographic column immediately, and whether detection module can change the existence of sample component into first electric signal, and the size of the first electric signal is directly proportional with amount or the concentration of sample component.
The first electric signal is output one voltage signal-second electric signal after amplifying circuit amplifies, and its size keeps direct ratio with its concentration value.
Voltage signal generates the 3rd electric signal through integrated circuit processor-wave filter after relatively, signal processor is connected with wave filter, be used for described the 3rd electric signal is converted into the concentration data (concentration numerical value) of carbon dioxide, and digital signal can be presented on the instrument panel; And when the concentration numerical value of carbon dioxide has surpassed alarm threshold value, can adopt sound and light alarm.Gas concentration lwevel threshold value normally 0.10% when the concentration numerical value of the carbon dioxide that detects is greater than or equal to 0.10%, is carried out sound and light alarm.
Need to prove, what the gas concentration lwevel sensor that more than provides adopted is gas chromatographic detection, but the utility model is not limited to this, it will be understood by those skilled in the art that the gas concentration lwevel sensor that the other types that provide in the prior art also can be provided obtains the concentration of carbon dioxide.
The utility model embodiment also provides a kind of vehicle, and described vehicle comprises the equipment that in-car air quality is detected, and described equipment comprises:
At least one obtains the gas concentration lwevel sensor of the concentration of airborne carbon dioxide, and described gas concentration lwevel sensor generates first electric signal corresponding with the concentration of carbon dioxide;
Be connected with described gas concentration lwevel sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described carbon dioxide;
Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal;
Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal;
Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of carbon dioxide.
Wherein, described predetermined band signal is the noise signal in described the second electric signal, those skilled in the art can arrange described predetermined band according to the specific implementation circuit of signal picker and amplifying circuit, and design the circuit of described wave filter according to described the second electric signal and described predetermined band.Described signal processor is specifically as follows an analog to digital converter.
In a preferred embodiment, also comprise:
Be connected with signal processor, for the display screen of the concentration data that shows described carbon dioxide.
In a preferred embodiment, also comprise:
Be connected with signal processor, be used for when the concentration data of described carbon dioxide during greater than the gas concentration lwevel threshold value of correspondence the gas concentration lwevel alarm of reporting to the police.Wherein, the gas concentration lwevel threshold value is a kind of concrete alarm threshold value.
In a preferred embodiment, the gas concentration lwevel sensor comprises:
The micro air pump that is used for the air of absorption predetermined;
The air chamber that is used for the air of accommodating described predetermined;
For detection of the detection module that behind the airborne carbon dioxide of described predetermined, generates described the first electric signal.
In an application scenarios, the gas concentration lwevel sensor is integrated in the back side of room mirror mirror case, the circuit board of integrated signal picker, amplifying circuit and wave filter and signal processor is integrated in the Vehicular instrument panel, circuit bus by vehicle is powered, and the concentration data of carbon dioxide is presented on the vehicle-mounted audio-video system or computer screen.
Adopt this programme advantage afterwards to be: sensor obtains the concentration of airborne pollutant-carbon dioxide, after signal amplification and filtering, the concentration data of the carbon dioxide that generation can be shown or compare with alarm threshold value is so that the user can learn the air quality situation in the vehicle in real time.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. the equipment that in-car air quality is detected is characterized in that, is applied to vehicle, comprising:
At least one obtains the gas concentration lwevel sensor of the concentration of airborne carbon dioxide;
Be connected with described gas concentration lwevel sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described carbon dioxide;
Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal;
Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal;
Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of carbon dioxide.
2. equipment according to claim 1 is characterized in that, also comprises:
Be connected with signal processor, for the display screen of the concentration data that shows described carbon dioxide.
3. equipment according to claim 1 is characterized in that, also comprises:
Be connected with described signal processor, be used for when the concentration data of described carbon dioxide during greater than the gas concentration lwevel threshold value of correspondence the gas concentration lwevel alarm of reporting to the police.
4. equipment according to claim 1 is characterized in that, described gas concentration lwevel sensor is positioned at the back side of room mirror mirror case.
5. equipment according to claim 1 is characterized in that, described gas concentration lwevel sensor comprises:
The micro air pump that is used for the air of absorption predetermined;
The air chamber that is used for the air of accommodating described predetermined;
For detection of the detection module that behind the airborne carbon dioxide of described predetermined, generates described the first electric signal.
6. a vehicle is characterized in that, comprises the equipment that in-car air quality is detected, and described equipment comprises:
At least one obtains the gas concentration lwevel sensor of the concentration of airborne carbon dioxide;
Be connected with described gas concentration lwevel sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described carbon dioxide;
Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal;
Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal;
Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of carbon dioxide.
7. vehicle according to claim 6 is characterized in that, also comprises:
Be connected with signal processor, for the display screen of the concentration data that shows described carbon dioxide.
8. vehicle according to claim 6 is characterized in that, also comprises:
Be connected with described signal processor, be used for when the concentration data of described carbon dioxide during greater than the gas concentration lwevel threshold value of correspondence the gas concentration lwevel alarm of reporting to the police.
9. vehicle according to claim 6 is characterized in that, described gas concentration lwevel sensor is positioned at the back side of room mirror mirror case.
10. vehicle according to claim 6 is characterized in that, described gas concentration lwevel sensor comprises:
The micro air pump that is used for the air of absorption predetermined;
The air chamber that is used for the air of accommodating described predetermined;
For detection of the detection module that behind the airborne carbon dioxide of described predetermined, generates described the first electric signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324764 CN202693557U (en) | 2012-07-05 | 2012-07-05 | Equipment and vehicle for detecting in-vehicle air quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324764 CN202693557U (en) | 2012-07-05 | 2012-07-05 | Equipment and vehicle for detecting in-vehicle air quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693557U true CN202693557U (en) | 2013-01-23 |
Family
ID=47549160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220324764 Expired - Lifetime CN202693557U (en) | 2012-07-05 | 2012-07-05 | Equipment and vehicle for detecting in-vehicle air quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693557U (en) |
-
2012
- 2012-07-05 CN CN 201220324764 patent/CN202693557U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE CO., Free format text: FORMER OWNER: BAIC MOTOR CO., LTD. Effective date: 20131219 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100021 CHAOYANG, BEIJING TO: 101300 SHUNYI, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131219 Address after: 101300 Beijing, Shunyi District Shun Road, No. 25, room 5, 106 Patentee after: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. Address before: 100021 Chaoyang District, Warwick, Beijing, No. 10, Peng Long Building Patentee before: BAIC MOTOR Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
|
| CX01 | Expiry of patent term |