CN211043280U - Air quality calibration and detection system for vehicle - Google Patents
Air quality calibration and detection system for vehicle Download PDFInfo
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- CN211043280U CN211043280U CN201820695409.3U CN201820695409U CN211043280U CN 211043280 U CN211043280 U CN 211043280U CN 201820695409 U CN201820695409 U CN 201820695409U CN 211043280 U CN211043280 U CN 211043280U
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Abstract
An air quality calibration and detection system for a vehicle for detecting air quality of air inside and outside the vehicle, the air quality calibration and detection system for a vehicle being connected to an air duct of a vehicle, comprising: a detection system that detects an air parameter and an air quality of the air inside and outside the vehicle, the air parameter being one or a combination of humidity, vehicle speed, and temperature; and a calibration system, said calibration system and said detection system communicatively coupled; and the regulation and control system is respectively in operable connection with the detection system and the calibration system, and can detect and detect the air quality indexes inside and outside the vehicle through an air quality sensor relatively accurately according to the air parameters measured by the detection system and the air quality control of the calibration system on the air parameters so as to perform related adjustment on the vehicle state according to the air quality inside and outside the vehicle.
Description
Technical Field
The utility model relates to an air detecting system is used to the whole car, and more specifically relates to an air quality calibration detecting system is used to the whole car.
Background
The utility model relates to a car is as the leading tool of contemporary people's trip, and the function of perfecting the car is constantly increasing for the manufacturer in order to provide all-round service for the user always to promote user's use and experience. Particularly, in the aspect of driving environment, manufacturers add a function of detecting air quality to automobiles, detect air quality indexes inside and outside the automobiles in real time, and perform related regulation and control according to the driving environment so as to provide healthy driving environment for users. Specifically, the air quality index of the driving environment is calculated by detecting the content of some pollutants in the air inside and outside the vehicle, such as PM10, PM2.5, formaldehyde, VOC content and the like, and relevant regulation and control are performed.
When detecting the air inside and outside the car, usually adopt corresponding sensor such as PM2.5 sensor, PM10 sensor, VOC sensor etc. however the driving environment is complicated, is different from the indoor relatively stable environment of tradition, and the vehicle is in the use along with its driving distance probably changes its environment, and the environmental parameter that its detected can change along with the change of environment to very influence the detection work of sensor, probably cause the sensor detects data inaccurate, destroys sensor etc. even, is unfavorable for the detection and the optimization to user's driving environment, has increased user's use burden even.
In the current sensors, such as the PM2.5 sensor, the PM10 sensor, the air humidity and the temperature, the sensors may have detection errors, and even the excessively humid air or the excessively high temperature may damage the sensors, cause damage to accessories, reduce the use feeling of users and increase the maintenance cost of users.
Specifically, when detecting a series of data of PM2.5, PM10, etc. in the air, the corresponding sensors, such as PM2.5 sensor, PM10 sensor, etc., are usually used for detection and data collection. The traditional PM2.5 sensor adopts a laser tube to perform Mie reflection, and the PM value of the current air is obtained by calculating the reflection amount. The water drops in high humidity have the reflection effect, which can cause great errors to the collected data, thereby seriously influencing the judgment of the automobile on the current environment and the regulation of air, and greatly influencing the driving experience of users. Further, the wrong detection information may cause some wrong adjustment modes, adversely affect the current in-vehicle environment, and is a waste of resource and energy.
Further, when the over-humid air enters the sensor, besides the influence on the detection precision, the electronic components in the sensor may be damaged to some extent, and after the sensor is corroded by a certain degree of moisture, the detection function may be lost or the deviation of the detection result is large, which is not favorable for optimizing the current driving environment. Further, the user needs to repair the sensor, wasting time and energy of the user, and degrading the quality evaluation of the automobile in the user's mind.
When detecting data such as PM2.5, PM10 in the near air of vehicle, wind speed and current environment speed of a motor vehicle can cause the gas velocity in the air too fast, can lead to getting into PM2.5, PM10 concentration and the interior external environment of car of the gas of sensor have the deviation to cause the data that the sensor detected are inaccurate, can not effectual inside and outside air of car detect and handle.
Disclosure of Invention
An object of the utility model is to provide an automobile-used air quality calibration detecting system, it can detect the inside or outside air quality index of detection vehicle through an air quality sensor comparatively accurately to carry out relevant adjustment according to the inside or outside air quality of current vehicle.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it can detect the inside or outside air quality index of detection vehicle comparatively accurately, right through reducing external factors air quality sensor's interference promotes the precision that air quality sensor detected.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it can detect the inside or outside air quality index of detection vehicle comparatively accurately, right through reducing external factors air quality sensor's interference promotes the precision that air quality sensor detected.
Another object of the present invention is to provide an air quality calibration and detection system for vehicle, which is used for detecting the air quality by an air quality sensor and detecting the humidity of the air before the air quality, so as to prevent the interference of the air humidity caused by the over-high humidity under the unknown condition.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it is when detecting air quality index and detect humidity to carry out the algorithm according to current detection humidity and correct, make the data of acquireing more accurate.
Another object of the present invention is to provide an air quality calibration and detection system for vehicle, which is used when necessary to dehumidify the air before the air quality sensor detects the air quality, so that the detection result of the air quality sensor is more accurate.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it is in when necessary the air quality sensor dehumidifies this air before detecting the air quality, prevents that the humid air from damaging air quality response appearance.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it is in air quality sensor carries out the temperature to this air before detecting the air quality and detects, prevents that the air temperature is too high or cross the low interference under the unknown condition air quality sensor's detection achievement.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it is in when necessary carry out the temperature correction to this air before the air quality sensor detects the air quality for can not be because of the high temperature or cross the low influence air quality inductor testing result.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it is when detecting air quality index and detect the temperature to carry out the algorithm according to the current detection temperature and correct, make the data of acquireing more accurate.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it is in air quality sensor carries out the speed of a motor vehicle to this air before detecting the air quality and detects, prevents the too high influence of the air speed of a motor vehicle under the unknown condition air quality sensor testing result's accuracy.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it is when detecting air quality index and detect the speed of a motor vehicle to carry out the algorithm according to the wet speed of a motor vehicle of current detection and correct air quality index, make the data of acquireing more accurate.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, automobile-used air quality calibration detecting system can detect humidity state and send humidity high-risk early warning when humidity is too high to according to the operation of this sensor of humidity high-risk early warning control vehicle, prevent that this sensor is destroyed to steam in the air.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, automobile-used air quality calibration detecting system can detect humidity state and send humidity high risk early warning when humidity is too high to close the operation of this sensor of vehicle according to the humidity condition, prevent to influence the relevant detected data of this sensor of vehicle because of humidity is too high.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, automobile-used air quality calibration detecting system can detect the humidity state and open the dehumidification function of this sensor automatically when humidity is too high, carries out dehumidification work to the air of transmission to this sensor, prevents that the steam in the humid air from getting into this sensor and damaging this sensor.
Another object of the utility model is to provide a vehicle air quality calibration detecting system, vehicle air quality calibration detecting system can detect humidity state and open the dehumidification function of this sensor automatically when humidity is too high, carries out dehumidification work to the air of transmission to this sensor to guarantee when air humidity is normal, can not have remaining steam to influence the detection of this sensor, in order to guarantee the timely work of this sensor.
Another object of the utility model is to provide a vehicle air quality calibration detecting system, vehicle air quality calibration detecting system can detect humidity state and open the dehumidification function of this sensor automatically when humidity is too high, carries out dehumidification work to the air of transmission to this sensor, prevents that this sensor from detecting that the data deviation is too big to cause follow-up instrument to adjust the work mistake, influences user's driving environment and drives and experience.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it can in time detect the inside and humidity on every side of vehicle, temperature, speed of a motor vehicle state to according to current humidity, temperature, speed of a motor vehicle state adjusts a PM2.5 sensor detection work of vehicle, prevents that this PM2.5 sensor during operation from because of humidity, temperature, the speed of a motor vehicle influence this PM2.5 to PM 2.5's in the air testing result.
Another object of the utility model is to provide an automobile-used air quality calibration detecting system, it can in time detect the inside and humidity on every side of vehicle, a temperature, the speed of a motor vehicle state to according to current humidity state to a vehicle sensor such as PM10 sensor, the VOC sensor, formaldehyde sensor, carbon dioxide sensor, temperature sensor, pressure sensor, speed of a motor vehicle sensor, the work of one or more combination in quality of water sensor or the humidity transducer is adjusted, prevent the moisture, and the temperature, the speed of a motor vehicle causes the influence to the data that this sensor work in order to acquire.
Another object of the utility model is to provide a vehicle air quality calibration detecting system, vehicle air quality calibration detecting system is detecting air humidity, temperature, during the speed of a motor vehicle, with the air humidity of its detection, temperature, other systems in the car are transmitted to the speed of a motor vehicle, provide data for the operation regulation of vehicle.
According to an aspect of the utility model, the utility model discloses an air and the outer air calibration detection method of car of vehicle air quality calibration detecting system are further provided, it includes:
(a) detecting air parameters of air inside the vehicle or air outside the vehicle through a parameter detection device, wherein the air parameters are one or a combination of vehicle speed, humidity and temperature;
(b) judging whether the air parameter exceeds the range of normal detection air quality, if so, adjusting the air parameter value of the detected air to be within an allowable influence range;
(c) controlling an air quality detection device to perform air quality detection.
According to some embodiments of the present invention, the parameter detecting device of step (a) is one or a combination of a vehicle speed detector, a humidity detector, and a temperature detector.
According to some embodiments of the present invention, the step (b) of adjusting the value of the air parameter of the detected air to the allowable influence range further comprises dehumidifying or temperature-adjusting the detected air.
According to some embodiments of the present invention, wherein still include a step (c1) after step (c), carry out the speed of a motor vehicle and correct and calculate the air quality index according to the air parameter after detecting the air quality.
According to some embodiments of the present invention, the method further comprises a step (c1) of calculating the air quality index by correcting the temperature according to the air parameter after the air quality is detected.
According to the utility model discloses a some embodiments provide an automobile-used air quality calibration detecting system that is used for the air quality of the interior air of detection or the outside air of car, automobile-used air quality calibration detecting system connects on a wind channel of a vehicle, and it includes:
a detection system for detecting an air parameter and an air quality of the air inside the vehicle or the air outside the vehicle, wherein the air parameter is one or a combination of humidity, vehicle speed and temperature; and
a calibration system, said calibration system and said detection system communicatively coupled;
and the regulating system is respectively and operatively connected with the detection system and the calibration system, and controls the calibration system to regulate the air parameters according to the air parameters and the air quality measured by the detection system.
According to the utility model discloses a some embodiments, wherein detection system includes a parameter detection device and an air quality detection device, air quality detection device is set up on this wind channel to survey air in this wind channel the air quality, parameter detection device surveys air parameter, air quality sensor is PM2.5 sensor, VOC sensor, temperature sensor, PM10 sensor, formaldehyde sensor, carbon dioxide sensor, pressure sensor, the combination of one or more of speed sensor.
According to some embodiments of the invention, wherein the parameter detection device is one or a combination of a vehicle speed detector, a temperature detection instrument and a humidity detection instrument.
According to some embodiments of the invention, the detection system further comprises an analysis module and an information transfer module, the analysis module and the parameter detection device are communicably connected, the analysis module and the air quality detection device are communicably connected.
According to the utility model discloses a some embodiments, wherein regulation and control system includes a calculation module and a regulation and control center, calculation module with regulation and control center communicably connects, the information transfer module will the air parameter that detecting system detected transmits for calculation module, calculation module calculates the influence degree of each air parameter to the air respectively.
According to some embodiments of the present invention, wherein the control center includes a control module and a processing module, the control module and the processing module are communicably connected, the control module and the calibration system are connected, the processing module and the computing module are communicably connected, the control center is according to the computing module's calculated data analysis control pattern.
According to the utility model discloses a some embodiments, the calbiration system includes a parameter calibration unit and an air quality calculation unit, the parameter calibration unit with the regulation and control center is connected, the parameter calibration unit with air quality detection device is connected, the regulation and control center sends the regulation and control instruction to the parameter calibration unit, the parameter calibration unit is carried out according to the regulation and control instruction and is regulated and control this detected air, the air quality of this air is calculated to the air quality calculation unit.
According to some embodiments of the present invention, the parameter calibration unit comprises a dehumidifier and a temperature regulator, the dehumidifier and the temperature regulator are disposed on the parameter detection device and the air duct between the air quality detection devices, so as to dehumidify and regulate the temperature of the air detected by the parameter detection device.
According to some embodiments of the invention, the dehumidification device is one or a combination of an adsorbent, a water-vapor separation device, an air conditioner, a heated dehumidifier.
According to some embodiments of the utility model, wherein temperature regulation means's temperature regulation mode is chemical reaction intensification cooling or air conditioner temperature regulation.
According to some embodiments of the present invention, the dehumidifying device comprises a dehumidifying part, a driving device and a dehumidifying part groove, the dehumidifying part groove is formed on the side wall of the air duct to form a space for placing the dehumidifying part, i.e. the dehumidifying film or the adsorbent, the driving device connects the dehumidifying part and controls the movement of the dehumidifying part.
According to the utility model discloses a some embodiments, wherein dehydrating unit drive arrangement with control module connects, works as control module receives behind the dehumidification instruction that control module sent, control drive module work, drive module drives inside the desiccant removes and moves into this wind channel to carry out dehumidification work.
According to some embodiments of the utility model, wherein the steam and water separation structure include a shell body with set up in a filter screen of shell body, wherein the air warp reachs behind the filter screen air quality sensor sealing washer.
According to some embodiments of the invention, the outer shell body has an opening at a bottom end thereof for draining water, and the water-gas separating structure further comprises a sealing ring, which is a pressure valve force for opening or closing a drain passage communicating to the opening under pressure change.
Drawings
Fig. 1 is a schematic application diagram of a vehicle air quality calibration and detection system according to a first preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of a dehumidifying device of a vehicle air quality calibration and detection system according to a first preferred embodiment of the present invention.
Fig. 3 is a schematic view of another dehumidifying device of the vehicle air quality calibration detecting system according to the first preferred embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a moisture separator of a dehumidifier of a vehicle air quality calibration and detection system according to a first preferred embodiment of the present invention.
Fig. 5 is a schematic view of a thermostat of a vehicle air quality calibration and detection system according to a first preferred embodiment of the present invention.
Fig. 6 is a schematic flow chart of a vehicular air quality calibration and detection system according to a first preferred embodiment of the present invention.
Fig. 7 is a schematic flow chart of an air quality calibration and detection system for a vehicle according to a second preferred embodiment of the present invention.
Fig. 8 is a flowchart of a vehicular air quality calibration detecting system according to a first preferred embodiment of the present invention.
Fig. 9 is a flow chart of correcting air parameters of the air quality calibration and detection system for vehicle according to the first preferred embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Fig. 1 is a schematic application diagram of a vehicle air quality calibration and detection system according to a first preferred embodiment of the present invention. As shown in the figure, the air quality calibration and detection system for the vehicle comprises a detection system 10, a calibration system 30 and a regulation and control system 20, wherein the air quality calibration and detection system for the vehicle is arranged in the vehicle, the regulation and control system 20 is operatively connected with the detection system 10 and the calibration system 30, the regulation and control system 20 controls the operation of the detection system 10 and the calibration system 30, the detection system 10 performs air data detection, and the calibration system 30 performs calibration and control on the detection air data result of the detection system 10 so as to improve the detection result of the detection system 10.
Fig. 6 is a schematic view of a flow frame of a vehicular air quality calibration and detection system according to the first preferred embodiment of the present invention, wherein the detection system 10 includes a parameter detection device 12 and an air quality detection device 11, the air quality detection device 11 detects the concentration of air pollutants, the parameter detection device 12 detects the related air parameters, such as air humidity, vehicle speed, temperature, etc., affecting the normal detection of the concentration of air pollutants by the air quality detection device 11, and the parameter detection device 12 transmits the detection result thereof to the calibration system 30 after the detection is completed, so as to calibrate the detection result of the air quality detection device 11.
The detection system 10 is used to detect air quality data and air parameter data of the vehicle interior air and the vehicle exterior air. In the vehicle driving process, in order to improve the driving experience of a user and optimize the driving air environment, the air inside the vehicle and the air outside the vehicle are detected to obtain related data, so that the environment is processed and optimized.
The air quality detecting device 11 includes an air quality sensor 111, and the air quality sensor 111 is mounted on an air duct inside the automobile to detect air quality. It is worth mentioning that the air duct can be separately communicated with one of the air outside the vehicle and the air inside the vehicle or simultaneously and respectively connected with the air outside the vehicle and the air inside the vehicle, the air quality sensor 111 is a PM2.5 sensor, and can also be one or a combination of a VOC sensor, a temperature sensor, a PM10 sensor, a formaldehyde sensor, a carbon dioxide sensor, a pressure sensor and a vehicle speed sensor,
thereby comprehensively detecting the concentration of pollutants in the air. Preferably, substances such as PM2.5 and PM10 in the air are harmful to human bodies, so that a PM2.5 sensor and a PM10 sensor are generally required to detect pollutants related to the air quality.
Further, the parameter detecting device 12 includes one or more combinations of a vehicle speed detector 121, a temperature detector 122 and a humidity detector 123, and preferably, the parameter detecting device 12 is the combination of the vehicle speed detector 121, the temperature detector 122 and the humidity detector 123, and performs parameter detection on the air detected by the air quality sensor 111, so as to process and regulate the detection operation of the air quality sensor 111 according to the air parameter detected by the parameter detecting device 12. This can effectively reduce the error in the air quality detected by the air quality sensor 111. In the present embodiment, a combination of the vehicle speed detector 121, the temperature detector 122, and the humidity detector 123 is set at the same time.
The parameter detecting device 12 is also disposed in the air duct of the vehicle, and it is worth mentioning that the parameter detecting device 12 is disposed in front of the air quality sensor 111, where front refers to the front of the air flow in the air duct in the direction, so that the air firstly flows through the parameter detecting device 12 and then passes through the air quality sensor 111, and then the air is firstly detected by the parameter detecting device 12, and therefore, by analyzing the air parameters detected by the parameter detecting device 12, the error influence of reducing the air humidity, the temperature and the vehicle speed on the detection work of the air quality sensor 111 can be formulated, and the detection accuracy of the vehicle air quality calibration detecting system can be ensured.
Further, the detection system 10 further includes an analysis module 13 and an information transmission module 14, the analysis module 13 is communicably connected to the parameter detection device 12, the analysis module 13 is communicably connected to the air quality detection device 11, the parameter detection device 12 transmits the air parameter detected by the parameter detection device to the analysis module 13, the information processing module 222 transmits the air quality index detected by the information processing module to the analysis module 13, and the analysis module 13 analyzes the obtained air parameter and air quality index, analyzes the processing method and the transmission object, and transmits the analyzed air parameter and air quality index to the corresponding module through the information transmission module 14 to calculate the calibration data method.
Further, the control system 20 includes a calculation module 21 and a control center 22, the calculation module 21 and the control center 22 are communicably connected, the information transmission module 14 transmits the air parameters detected by the detection system 10 to the calculation module 21, and the calculation module 21 calculates the influence degree of each air parameter on the air respectively. Specifically, a preset algorithm is provided in the calculation module 21, and the preset algorithm can respectively calculate the detection influence degree of the influence of the air quality detection device 11 on the air quality. Specifically, the information processing module 222 transmits the detected air temperature, humidity and vehicle speed to the calculating module 21, the calculating module 21 calculates whether the current air humidity is higher than a preset value a, and if so, it determines that the humidity is too high. Meanwhile, the calculation module 21 calculates whether the air temperature exceeds a range (m, n), and if the air temperature is higher than n or lower than m, it is determined that the current air temperature is not suitable. Meanwhile, the calculating module 21 calculates whether the current vehicle speed is higher than a preset value b, and if the current vehicle speed is higher than the preset value b, it is determined that the vehicle speed is too high.
Further, when the calculation module 21 calculates that at least one air parameter is not suitable for detection, it is determined that the current air parameter needs to be calibrated, and the calculation result and the air parameter data are transmitted to the control center 22, and the control center 22 calculates a calibration method according to the air parameter, and controls the calibration system 30 through the control center 22 to perform related calibration work, so as to ensure that the vehicle air quality calibration and detection system correctly detects the air quality data.
The control center 22 includes a control module 221 and a processing module 222, the control module 221 and the processing module 222 are communicably connected, the control module 221 is connected with the calibration system 30, and the processing module 222 is communicably connected with the calculation module 21. The control center 22 receives the calculation result and the air parameter data sent by the calculation module 21, and calculates the control mode according to the calculation result and the air parameter data.
Specifically, when the calculating module 21 calculates whether the current air humidity is higher than a preset value a, the processing module 222 analyzes that dehumidification is required according to a preset algorithm to ensure the detection work of the air detecting device, and calculates the dehumidification degree and time; when the calculation module 21 calculates that the current air temperature is not suitable, the processing module 222 analyzes that the temperature of the detected air needs to be adjusted according to a preset algorithm; when the calculation module 21 calculates that the current air speed is too high, the processing module 222 analyzes the detection data of the detected air according to a preset algorithm and performs algorithm correction. The processing module 222 analyzes the processing method and then sends the analysis result to the control module 221, and the control module 221 sends a regulation and control instruction to calibrate the detected air.
The calibration system 30 performs calibration adjustment according to a control instruction sent by the control module 221, specifically, the calibration system 30 includes a parameter calibration unit 31 and an air quality calculation unit 32, the parameter calibration unit 31 is connected to the control center 22, and the parameter calibration unit 31 is connected to the air quality detection device 11. The control center 22 sends a control instruction to the parameter calibration unit 31, and the parameter calibration unit 31 performs action control according to the control instruction, so as to reduce air humidity, temperature, and vehicle speed for detecting the air quality detection device 11.
Fig. 2 is a schematic view of a dehumidifier for a vehicle air quality calibration and detection system according to a first preferred embodiment of the present invention, and fig. 3 is a schematic view of another dehumidifier for a vehicle air quality calibration and detection system according to a first preferred embodiment of the present invention.
As shown, the parameter calibration unit 31 includes a dehumidifying device 311 and a temperature adjusting device 312, and the dehumidifying device 311 and the temperature adjusting device 312 are disposed on the air duct between the parameter detecting device 12 and the air quality detecting device 11, so as to process the air that has been detected by the parameter detecting device 12 to reduce the degree of influence on the detection operation of the air quality detecting device 11.
Fig. 3 is a schematic view of another dehumidifying device of the vehicle air quality calibration detecting system according to the first preferred embodiment of the present invention. The dehumidifying device 311 may be one or a combination of various dehumidifying structures, such as an adsorbent, a dehumidifying membrane, an air conditioner, or a specific dehumidifying structure, which has a certain dehumidifying capability and can reduce the air humidity to be within the range of the air humidity in which the PM2.5 sensor 33 normally detects the air data.
When the dehumidifier 311 is an adsorbent or a desiccant film as a main dehumidifying means, the dehumidifier 311 includes a dehumidifier 3111, a driving device 3112 and a dehumidifier groove 3113, the dehumidifier groove 3113 is formed on the side wall of the air duct, and is usually protruded from the side wall of the air duct to the outside to form a placing space for placing the dehumidifier 3111, i.e. the desiccant film or the adsorbent, the driving device 3112 is connected to the dehumidifier 3111 and controls the movement of the dehumidifier 3111, further, the driving device 3112 is connected to the control module 221, and when the control module 221 receives the dehumidifying command sent by the control module 221, the driving module drives the dehumidifier to move into the air duct for dehumidifying. Preferably, the dehumidifying device 311 is disposed on the air duct between the humidity detecting system 10 and the PM2.5 sensor 33 to perform dehumidifying operation on the air whose humidity is detected by the humidity detecting system 10.
Fig. 4 is a schematic structural diagram of a moisture separator of a dehumidifier of a vehicle air quality calibration and detection system according to a first preferred embodiment of the present invention. As shown, the dehumidifier 311 may also be a water-gas separation structure, which is disposed in a casing 3114, a filter 3115, a sealing ring 3116 and a cover 3117, wherein the filter is cylindrical, the filter 3115 is installed in the casing 3114, and the sealing ring 3116 is a pressure valve connected to an opening at the bottom of the casing 3114. Further, the outer housing 3114 is coupled to the cover 3117, and both the outer housing 3114 and the cover 3117 have a vent hole for communicating air with the filter. The filter screen is characterized in that the outer side of the filter screen and one end face of the filter screen are provided with a plurality of air holes, gas with overhigh humidity interacts with the air holes in the process of passing through the tiny air holes, and water molecules in partial moisture can be attached to the periphery of the micropores of the filter screen. When the micropores are under the tension of water, the micropores are gradually blocked to form a natural closed space, so as to achieve the purpose of filtering water vapor in the air.
The outermost lane of sealing washer 3116 and the body of shell body 3114 are fully cooperated, expand completely when there is not external force sealed shell body 3114 with sealing washer 3116's junction, receive in the cavity under the effect of fan 15 suction, produce the negative pressure, sealing washer 3116's leakproofness can inhale more and more tightly until totally closed, makes the air can not pass in and out here. Lose when the cavity internal negative pressure, will restore original state, store up water in the cavity this moment of hypothesis, under the effect of water gravity, deformation takes place for the sealing washer, is all followed water the bottom opening discharge of shell body 3114.
It is worth mentioning that the vehicle-mounted air conditioner in the automobile can be used for dehumidification, as shown in the figure, the air duct comprises a guide pipe, the guide pipe is connected with the lower portion of the air duct, one end of the guide pipe is connected with the air duct, the other end of the guide pipe is connected with the outside and used for draining water, the air duct portion is placed on an evaporator of the vehicle-mounted air conditioner, water vapor in over-humid air is condensed by the evaporator to form water drops, the water drops are collected and flow out through the guide pipe, and the dehumidified air flows through the air inlet pipe and is detected by the PM2.5 sensor 33.
Fig. 5 is a schematic view of a thermostat of a vehicle air quality calibration and detection system according to a first preferred embodiment of the present invention. The temperature adjusting device 312 can absorb heat and heat through chemical reaction, and as shown in the figure, it includes a temperature adjusting groove 3121 and a reaction substance 2122, the temperature adjusting groove 3121 is disposed on the air duct between the parameter detecting device 12 and the air quality detecting device 11, the temperature adjusting groove 3121 contains the reaction substance 2122, which is a combination of at least two chemical substances, and the heating or cooling operation is performed through an exothermic reaction or an endothermic reaction among the chemical reactions of the chemical substances, and the type of the reaction is controlled by the control module 221.
It should be noted that the temperature adjusting device 312 may be disposed on an on-board air conditioner of the vehicle, and the temperature of the detected air is adjusted to be within a range suitable for the air quality detection by the air quality detecting device 11 by heating or cooling operation of the on-board air conditioner of the vehicle.
After the calibration is completed, the parameter calibration unit 31 sends an instruction a to the detection system 10, and the detection system 10 starts the air quality detection device 11 to detect the air quality after receiving the calibration completion information. Preferably, in order to ensure that the working interference of the air influence parameters calibrated by the parameter calibration unit 31 on the air quality detection device 11 is smaller than an expected value, the parameter calibration unit 31 sends an instruction b to the detection system 10 after the calibration is completed, controls the detection system 10 to detect the air parameter data in the air duct again, sends an instruction a to the detection system 10 after the data is detected to be qualified, and starts the air quality detection device 11 to detect the air quality after the detection system 10 receives the calibrated information.
Further, the air quality calculating unit 32 includes an algorithm storage module 321 and a data processing module 322, the algorithm storage module 321 and the data processing module 322 are operatively connected, the data processing module 322 is communicatively connected with the conditioning system 20, and the detecting system 10 is communicatively connected with the data processing module 322. The calculation module 21 of the regulation and control system 20 transmits the calculation result and the air parameter data analyzed by the calculation module to the data processing module 322, and the detection system 10 performs air quality detection after the parameter calibration unit 31 is calibrated, and transmits the detection result to the data processing module 322.
The algorithm storage module 321 comprises a vehicle speed correction algorithm 3211, and the vehicle speed correction algorithm 3211 is designed according to the influence deviation of the vehicle speed on the detection of the air pollutants, so that the detected air pollutants are reduced to actual pollutants without being influenced by the vehicle speed through calculation.
After receiving the air quality data and the analysis result of the calculation module 21 on the air parameters, the data processing module 322 performs calibration processing on the air quality data. The algorithm storage module 321 stores a calibration algorithm of vehicle speed to air quality data, the algorithm is designed and generated according to the influence of the vehicle speed on pollutants such as pm2.5 in the air, and the concentration of the pollutants such as pm2.5 in the air obtained due to the influence of the vehicle speed is lower than an actual value, so that the pollutants are calibrated through the data processing module 322 through vehicle speed calibration.
After the data processing module 322 calibrates and calculates the air quality data, the air quality data and the air parameters are transmitted to other systems in the vehicle, so as to regulate and control the vehicle running according to the air quality and the air parameters.
Fig. 8 is a flowchart of a vehicular air quality calibration detecting system according to a first preferred embodiment of the present invention.
According to another aspect of the present invention, there is provided a method for calibrating and detecting air inside or outside a vehicle of an air quality calibration and detection system for a vehicle,
(a) detecting air parameters of air inside the vehicle or air outside the vehicle through a parameter detection device, wherein the air parameters are one or a combination of vehicle speed, humidity and temperature; and
(b) judging whether the air parameter exceeds the range of normal air quality detection, and if so, adjusting the air parameter value of the detected air to be in a low influence range;
(c) controlling an air quality detection device to perform air quality detection.
Fig. 9 is a flow chart of the air parameter correction of the air quality calibration and detection system for vehicle according to the first preferred embodiment of the present invention. According to another aspect of the present invention, there is provided a method for adjusting air parameters of air inside and outside a vehicle of an air quality calibration and detection system for a vehicle, referring to fig. 9, wherein the method comprises the following steps:
(A) detecting air parameters of air inside the vehicle or air outside the vehicle through a parameter detection device, wherein the air parameters are one or a combination of vehicle speed, humidity and temperature; and
(B) judging whether the air parameters exceed the range of normal air quality detection, and if so, sending an adjusting instruction to a calibration system;
(C1) the regulating system regulates the temperature according to the instruction content;
(C2) the regulating system regulates the humidity according to the instruction content;
(C3) and the regulation and control system carries out vehicle speed calibration calculation according to the instruction content.
In the step (C2), when the dehumidification means is implemented as the moisture separator or the adsorbent, the corresponding humidity parameter may be continuously or periodically detected to determine whether or not it falls within the allowable range. When the dehumidification means is implemented as automatic dehumidification equipment such as an air conditioner, a heating dehumidifier and the like, the regulation and control system opens the corresponding automatic dehumidification equipment, continuously or periodically detects the corresponding humidity parameter and judges whether the humidity parameter is reduced to the allowable range.
Referring to fig. 7, a schematic view of a flow chart of a vehicle air quality calibration detecting system according to a second preferred embodiment of the present invention is shown, the vehicle air quality calibration detecting system includes a detecting system 10a, a regulating system 20a and a calibrating system 30a, the vehicle air quality calibration detecting system is disposed in a vehicle, the regulating system 20a is operatively connected to the detecting system 10a and the calibrating system 30a, the regulating system 20a controls the operation of the detecting system 10a and the calibrating system 30a, the detecting system 10a performs air data detection, and the calibrating system 30a performs calibration control on the detected air data result of the detecting system 10a to improve the detection result of the detecting system 10 a.
The detection system 10a includes a parameter detection device 12a and an air quality detection device 11a, the air quality detection device 11a detects the concentration of the air pollutants, the parameter detection device 12a detects related air parameters, such as air humidity, vehicle speed, temperature, etc., which affect the normal detection of the concentration of the air pollutants by the air quality detection device 11a, and the parameter detection device 12a transmits the detection result to the calibration system 30a after the detection is completed, so as to calibrate the detection result of the air quality detection device 11 a.
The calibration system 30a performs calibration adjustment according to a control instruction sent by the control module 221, specifically, the calibration system 30a includes a parameter calibration unit 31a and an air quality calculation unit 32a, the parameter calibration unit 31a is connected to the control center 22a, and the parameter calibration unit 31a is connected to the air quality detection device 11 a. The control center 22a sends a control instruction to the parameter calibration unit 31a, and the parameter calibration unit 31a performs action control according to the control instruction, so as to reduce air humidity, temperature, and vehicle speed to detect the air quality detection device 11 a.
The detection system 10a and the conditioning system 20a correspond to the first preferred embodiment and will not be described in detail here.
Further, the parameter calibration unit 31a includes a dehumidifying device 311a, and the dehumidifying device 311a is disposed on the air duct between the parameter detecting device 12a and the air quality detecting device 11a, so as to process the air that has been detected by the parameter detecting device 12a to reduce the degree of influence on the detecting operation of the air quality detecting device 11 a.
Specifically, the dehumidifying device 311a may be one or a combination of various dehumidifying structures, such as an adsorbent, a dehumidifying membrane, an air conditioning dehumidifier, or a specific dehumidifying structure, which has a certain dehumidifying capability and can reduce the air humidity to be within the air humidity range of the air data normally detected by the PM2.5 sensor 33. The principle of construction is the same as that of the first preferred embodiment and will not be described in detail here.
After the calibration is completed, the parameter calibration unit 31a sends an instruction a to the detection system 10a, and the detection system 10a starts the air quality detection device 11a to detect the air quality after receiving the calibration completion information. Preferably, in order to ensure that the working interference of the air influence parameters calibrated by the parameter calibration unit 31a on the air quality detection device 11a is smaller than an expected value, the parameter calibration unit 31a sends an instruction b to the detection system 10a after the calibration is completed, the detection system 10a is controlled to detect the air parameter data in the air duct again, an instruction a is sent to the detection system 10a after the data is detected to be qualified, and the detection system 10a starts the air quality detection device 11a to detect the air quality after receiving the calibration completed information.
Further, the air quality calculating unit 32a includes an algorithm storage module 321a and a data processing module 322a, the algorithm storage module 321a and the data processing module 322a are operatively connected, the data processing module 322a is communicatively connected with the control system 20a, and the detection system 10a is communicatively connected with the data processing module 322 a. The calculation module 21a of the regulation and control system 20a transmits the calculation result and the air parameter data analyzed by the calculation module to the data processing module 322a, and the detection system 10a performs air quality detection after the parameter calibration unit 31a is calibrated, and transmits the detection result to the data processing module 322 a.
The algorithm storage module 321a includes a vehicle speed correction algorithm 3211a and a temperature correction algorithm 3212a, and the vehicle speed correction algorithm 3211a is designed according to the influence deviation of the vehicle speed on the detection of the air pollutants, so that the detected air pollutants are reduced to the actual pollutants without being influenced by the vehicle speed through calculation. The temperature correction algorithm 3212a is designed according to the influence deviation of the temperature on the detection of the air pollutants, so that the detected air pollutant concentration is reduced to the actual pollutant concentration without being detected under the influence of the temperature through calculation.
After the data processing module 322a receives the air quality data and the analysis result of the calculation module 21a on the air parameter, the air quality data is calibrated. The algorithm storage module 321a stores a calibration algorithm of vehicle speed to air quality data, the algorithm is designed and generated according to the influence of the vehicle speed on pollutants such as pm2.5 in the air, and the concentration of the pollutants such as pm2.5 in the air obtained due to the influence of the vehicle speed is lower than an actual value, so that the pollutants are calibrated through the data processing module 322a through vehicle speed calibration.
After the data processing module 322a calibrates and calculates the air quality data, the air quality data and the air parameters are transmitted to other systems in the vehicle, so as to regulate and control the vehicle running according to the air quality and the air parameters.
It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.
Claims (8)
1. An air quality calibration and detection system for a vehicle, the air quality calibration and detection system for a vehicle being connected to an air duct of a vehicle, comprising:
a detection system, said detection system detecting an air parameter and an air quality of the air inside or outside the vehicle, said air parameter being humidity or temperature, said detection system comprising a parameter detection device and an air quality detection device, said air quality detection device being disposed on the air duct, said parameter detection device also being disposed within the air duct and in front of said air quality detection device, such that air passes first through said parameter detection device and then through said air quality detection device;
a calibration system communicably connected to the detection system, the calibration system including a parameter calibration unit, wherein the parameter calibration unit includes a dehumidification device and a temperature adjustment device, the dehumidification device and the temperature adjustment device being disposed on the air duct between the parameter detection device and the air quality detection device, thereby dehumidifying and temperature-adjusting the air that has been detected by the parameter detection device, so that the air quality detection device can detect the air quality in the environment conditioned by the parameter calibration unit; and
and the regulating system is respectively and operatively connected with the detection system and the calibration system, and controls the calibration system to regulate the air parameters according to the air parameters and the air quality measured by the detection system.
2. The vehicle air quality calibration detection system of claim 1, the air quality detection device being a PM2.5 sensor, a VOC sensor, a PM10 sensor, a formaldehyde sensor, or a carbon dioxide sensor.
3. The vehicular air quality calibration detection system of claim 2, wherein the parameter detection device is a temperature detection instrument or a humidity detection instrument.
4. The air quality calibration detection system for vehicles of any one of claims 1 to 3, wherein the dehumidifying device is one or a combination of a dehumidifying adsorbent, a water vapor separation structure, an air conditioner, a heating dehumidifier.
5. The air quality calibration detection system for the vehicle as claimed in any one of claims 1 to 3, wherein the temperature adjusting means adjusts the temperature by chemical reaction or air conditioning.
6. The air quality calibration detecting system for a vehicle according to any one of claims 1 to 3, wherein the dehumidifying device includes a dehumidifying part, a driving device and a dehumidifying part groove, the dehumidifying part groove is formed in the side wall of the duct to form a space for placing the dehumidifying part, and the driving device is connected to the dehumidifying part and controls the movement of the dehumidifying part.
7. The vehicle air quality calibration detection system of claim 4, wherein the water-vapor separation structure comprises an outer housing and a filter disposed in the outer housing, wherein air passes through the filter and reaches the air quality detection device.
8. The vehicle air quality calibration detection system of claim 7, wherein the outer housing has an opening at a bottom end thereof for draining water, and the moisture separating structure further comprises a sealing ring that is a pressure valve force for opening or closing a drain passage to the opening under pressure changes.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2921327A1 (en) * | 2021-02-16 | 2022-08-23 | Hop Ubiquitous S L | Continuous meter for air quality measurement equipment and air quality measurement procedure with the same (Machine-translation by Google Translate, not legally binding) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2921327A1 (en) * | 2021-02-16 | 2022-08-23 | Hop Ubiquitous S L | Continuous meter for air quality measurement equipment and air quality measurement procedure with the same (Machine-translation by Google Translate, not legally binding) |
| WO2022175576A1 (en) * | 2021-02-16 | 2022-08-25 | Hop Ubiquitous, S.L. | Continuous measuring device for air quality measurement equipment and method for measuring air quality using same |
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