CN106769694B - Dust sensor - Google Patents
Dust sensor Download PDFInfo
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- CN106769694B CN106769694B CN201611060886.4A CN201611060886A CN106769694B CN 106769694 B CN106769694 B CN 106769694B CN 201611060886 A CN201611060886 A CN 201611060886A CN 106769694 B CN106769694 B CN 106769694B
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- automobile
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- 239000000428 dust Substances 0.000 title claims abstract description 24
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 239000000306 component Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The dust sensor can simultaneously obtain the air related data in and out of the vehicle. The in-car channel and the out-car channel are isolated from each other, so that the air paths outside the car are not interfered with each other. Meanwhile, the same luminous tube is adopted to emit light, and the light is respectively injected into the in-vehicle channel and the out-vehicle channel through the optical lens group, so that the accuracy of relative data can be ensured. The arrangement of the fan enables the inside and outside of the sensor to generate pressure difference, and then external air is promoted to enter the inside of the sensor. The air duct outlet in the automobile and the air duct outlet outside the automobile are close to each other or are the same through hole, so that the outlets of the two air paths can be provided with the same fan, namely, the internal air field is generated by rotation of the same fan, and the stability of the air field data of the two measuring areas can be ensured.
Description
Technical Field
The present invention relates to a dust sensor.
Background
Some automobiles are equipped with air sensors to determine the air quality inside or outside the automobile. The sensor is mainly driven by a fan to flow, light rays are emitted by a luminous tube in the sensor, pass through corresponding detection areas, and signals are received by a receiving tube to obtain data.
However, the conventional sensor is limited to data in or out of the test vehicle, and cannot obtain air quality data in or out of the test vehicle at the same time, and further cannot determine whether to open a vehicle window (when the air quality in the test vehicle is lower than the air quality in the test vehicle) or open an air conditioner (when the air quality in the test vehicle is higher than the air quality in the test vehicle). If the related data of the inside and the outside of the vehicle are to be obtained at the same time, two sensors are required to be installed.
Disclosure of Invention
The invention aims to solve the technical problems that: the invention provides a dust sensor, which aims to overcome the defect that the existing air sensor cannot obtain air quality data inside and outside a vehicle at the same time.
The technical scheme adopted for solving the technical problems is as follows: the dust sensor comprises a fan and an inductor body, wherein the inductor body comprises an in-vehicle air duct, an out-vehicle air duct, a luminous tube, an optical lens group and a receiving tube, and the in-vehicle air duct and the out-vehicle air duct are mutually isolated; the vehicle inner air duct is provided with a vehicle inner air duct inlet and a vehicle inner air duct outlet, and the vehicle outer air duct is provided with a vehicle outer air duct inlet and a vehicle outer air duct outlet; the air outlet in the vehicle and the air outlet outside the vehicle are close to each other, or the air outlet in the vehicle and the air outlet outside the vehicle are the same through hole, and the fan is arranged at the air outlet in the vehicle and the air outlet outside the vehicle; the receiving tube comprises an inner receiving tube and an outer receiving tube which are respectively arranged in the air duct in the vehicle and the air duct outside the vehicle, the air duct in the vehicle and the air duct outside the vehicle are arranged side by side, the outgoing light path of the luminous tube is divided into two light paths through an optical lens group to be respectively injected into the air duct in the vehicle and the air duct outside the vehicle, and the inner receiving tube and the outer receiving tube deviate from the light paths to be respectively arranged in the air duct in the vehicle and the air duct outside the vehicle.
The invention can realize that only one group of fans and luminous tubes are adopted, and simultaneously, the air related data in the vehicle and the outside of the vehicle are obtained. Therefore, the interior passage and the exterior passage are designed and are isolated from each other, so that the interior and exterior air passages are not interfered with each other. Meanwhile, the same luminous tube is adopted to emit light, and the light is respectively injected into the in-vehicle channel and the out-vehicle channel through the optical lens group, so that the accuracy of relative data can be ensured. The arrangement of the fan enables the inside and outside of the sensor to generate pressure difference, and then external air is promoted to enter the inside of the sensor. The air duct outlet in the automobile and the air duct outlet outside the automobile are close to each other or are the same through hole, so that the outlets of the two air paths can be provided with the same fan, namely, the internal air field is generated by rotation of the same fan, and the stability of the air field data of the two measuring areas can be ensured. The emergent ray of the luminous tube can be infrared ray or laser.
In order to realize that the emergent light of luminotron is divided into two and is launched into car interior wind channel and car outer wind channel respectively, optical lens group includes spectroscope and two speculums that set up respectively in spectroscope both sides, the luminotron is towards the spectroscope, the emergent light path of luminotron is divided into two light paths that are parallel to each other or lie in same straight line through the spectroscope after, is launched into car interior wind channel and car outer wind channel through two speculums respectively.
In one embodiment, the beam splitter and the reflecting mirror are all total reflection prisms.
Specifically, as preferable, the air duct inside the vehicle and the air duct outside the vehicle are symmetrically arranged, and the luminous tube is positioned on the symmetry axis of the air duct inside the vehicle and the air duct outside the vehicle. Therefore, the optical path correlation of the air duct in the vehicle and the air duct outside the vehicle can be well ensured, and the data comparison in the vehicle and the outside of the vehicle is more facilitated.
In order to acquire data close to the air quality in the vehicle or outside the vehicle, the receiving pipe is positioned near the inlet of the air duct in the vehicle, and the receiving pipe is positioned near the inlet of the air duct outside the vehicle.
In order to enable the air duct in the vehicle and the air duct outside the vehicle to form a unique air path from the inlet to the outlet of the air, the air quality of the air is more similar to that before entering the air duct, the air duct in the vehicle is provided with a first air deflector, the air duct outside the vehicle is provided with a second air deflector, the first air deflector and the second air deflector are bending type baffles, the first air deflector extends from the side of the inlet of the air duct in the vehicle to the outlet of the air duct in the vehicle, and the second air deflector extends from the side of the inlet of the air duct outside the vehicle to the outlet of the air duct outside the vehicle.
In order to prevent light path reflection, the light received by the receiving tube is influenced, and then the acquisition result is influenced, light path passage holes are formed in the first air deflector and the second air deflector, and the light path passage holes are formed in the light paths of the luminous tubes reflected by the optical lens group. Thus, after being reflected by the optical lens group, the light can be emitted through the light path channel hole, and then emitted from the air duct in the vehicle and the air duct outside the vehicle.
The fan is one, and the air duct outlet in the car and the air duct outlet outside the car are the same through hole, the air duct in the car and the air duct outside the car are mutually isolated through the partition board, and the partition board is arranged at the through hole forming the air duct outlet in the car and the air duct outlet outside the car. The internal wind field is generated by the rotation of the same fan, so that the stability of the wind field data of two measuring areas can be ensured. Meanwhile, the air duct outlet in the vehicle and the air duct outlet outside the vehicle are through holes, and the partition plate can separate the air duct outlet in the vehicle and the air duct outlet outside the vehicle while isolating the air duct in the vehicle and the air duct outside the vehicle, so that the processing of the air duct outlet in the vehicle and the air duct outlet outside the vehicle is simplified.
In order to acquire the signal of the receiving tube, the light emitting tube and the receiving tube are connected with the circuit board, and the circuit board is connected with an external power supply through the connector.
In order to protect components and parts, still include the upper cover, the upper cover lid is established on the inductor body, the circuit board is located between inductor body and the upper cover.
The dust sensor has the beneficial effects that the dust sensor can simultaneously obtain the air related data in and out of the vehicle. The in-car channel and the out-car channel are isolated from each other, so that the air paths outside the car are not interfered with each other. Meanwhile, the same luminous tube is adopted to emit light, and the light is respectively injected into the in-vehicle channel and the out-vehicle channel through the optical lens group, so that the accuracy of relative data can be ensured. The arrangement of the fan enables the inside and outside of the sensor to generate pressure difference, and then external air is promoted to enter the inside of the sensor. The air duct outlet in the automobile and the air duct outlet outside the automobile are close to each other or are the same through hole, so that the outlets of the two air paths can be provided with the same fan, namely, the internal air field is generated by rotation of the same fan, and the stability of the air field data of the two measuring areas can be ensured.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a preferred embodiment of the dust sensor of the present invention.
Fig. 2 is an exploded view of a preferred embodiment of the dust sensor of the present invention.
Fig. 3 is a schematic structural view of the sensor body in the dust sensor of the present invention.
In the figure, 1, a fan, 2, an inductor body, 2-1, an in-vehicle air duct, 211, an in-vehicle air duct inlet, 212, an in-vehicle air duct outlet, 2-2, an out-vehicle air duct, 221, an out-vehicle air duct inlet, 222, an out-vehicle air duct outlet, 2-3, a luminous tube, 2-4, an inner receiving tube, 2-5, an outer receiving tube, 2-6, a spectroscope, 2-7, a reflecting mirror, 2-8, a first air deflector, 2-9, a second air deflector, 2-10, an optical path passage hole, 2-11, a partition board, 3, a circuit board, 4, a connector, 5, an upper cover, 6 and an optical path.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
As shown in fig. 1 and 2, the dust sensor of the invention comprises a fan 1 and an inductor body 2, wherein the inductor body 2 comprises an inner air duct 2-1, an outer air duct 2-2, a luminous tube 2-3, an optical lens group and a receiving tube, and the inner air duct 2-1 and the outer air duct 2-2 are mutually isolated. Wherein, the fan 1 continuously runs to generate pressure difference inside and outside the sensor, thereby promoting external air to enter the inside of the sensor. The inductor body 2 is the main component of the invention, and tests the quality of the air entering the component. The in-vehicle channel 2-1 and the out-vehicle channel 2-2 are isolated from each other, so that the air paths outside the vehicle are not interfered with each other.
The in-vehicle air duct 2-1 has an in-vehicle air duct inlet 211 and an in-vehicle air duct outlet 212, and the out-vehicle air duct 2-2 has an out-vehicle air duct inlet 221 and an out-vehicle air duct outlet 222; the air duct outlet 212 in the vehicle and the air duct outlet 222 outside the vehicle are close to each other, or the air duct outlet 212 in the vehicle and the air duct outlet 222 outside the vehicle are the same through hole, and the fan 1 is arranged at the air duct outlet 212 in the vehicle and the air duct outlet 222 outside the vehicle. The outlets of the two paths of air paths can be provided with the same fan 1, namely, the internal air field is generated by the rotation of the same fan 1, so that the stability of the data of the air fields in two measuring areas can be ensured.
The receiving tube comprises an inner receiving tube 2-4 and an outer receiving tube 2-5 which are respectively arranged in the inner air duct 2-1 and the outer air duct 2-2, the inner air duct 2-1 and the outer air duct 2-2 are arranged side by side, the emergent light path of the luminous tube 2-3 is respectively injected into the inner air duct 2-1 and the outer air duct 2-2 through two light paths of the optical lens group, and the inner receiving tube 2-4 and the outer receiving tube 2-5 deviate from the light paths and are respectively arranged in the inner air duct 2-1 and the outer air duct 2-2.
Specifically, the optical lens group comprises a spectroscope 2-6 and two reflecting mirrors 2-7 respectively arranged at two sides of the spectroscope 2-6, the light emitting tube 2-3 faces the spectroscope 2-6, and an emergent light path of the light emitting tube 2-3 is divided into two light paths which are parallel to each other or are positioned in the same straight line through the spectroscope 2-6 and then respectively reflected into the in-vehicle air duct 2-1 and the out-of-vehicle air duct 2-2 through the two reflecting mirrors 2-7.
In this embodiment, the beam splitters 2-6 and the reflecting mirrors 2-7 are all total reflection prisms. Of course, other types of beam splitters 2-6 and mirrors 2-7 may be used, and reflection or refraction may be used as long as the light path of the light emitting tube 2-3 is divided into two paths and reflected into the in-vehicle air duct 2-1 and the out-of-vehicle air duct 2-2.
As shown in FIG. 3, the in-vehicle air duct 2-1 and the out-of-vehicle air duct 2-2 are symmetrically arranged, and the light emitting tube 2-3 is positioned on the symmetry axis of the in-vehicle air duct 2-1 and the out-of-vehicle air duct 2-2. Thus, the same light emitting tube 2-3 emergent ray can be obtained by the air duct 2-1 in the vehicle and the air duct 2-2 outside the vehicle.
The inner receiving pipe 2-4 is located near the in-vehicle air duct inlet 211, and the outer receiving pipe 2-5 is located near the out-vehicle air duct inlet 221. Therefore, the acquired air quality data is closer to the actual air quality in or out of the vehicle, and is less influenced by the internal structure of the air duct. In this embodiment, as shown in fig. 3, the inner receiving tube 2-4 and the outer receiving tube 2-5 are both disposed at the position of the reflecting mirror 2-7 where the reflecting light path just enters the air duct and near the air duct inlet. In general, the inner receiving tube 2-4 and the outer receiving tube 2-5 cannot be arranged on the light path inside the air duct, so that the influence of the too strong light on the acquisition result is prevented.
The in-vehicle air duct 2-1 is provided with a first air deflector 2-8, the out-vehicle air duct 2-2 is provided with a second air deflector 2-9, the first air deflector 2-8 and the second air deflector 2-9 are bending type baffles, the first air deflector 2-8 extends from the side of the in-vehicle air duct inlet 211 to the position of the in-vehicle air duct outlet 212, and the second air deflector 2-9 extends from the side of the out-vehicle air duct inlet 221 to the position of the out-vehicle air duct outlet 222. As shown in fig. 3, the first air deflection plates 2-8 and the second air deflection plates 2-9 are each provided with a bent baffle, and two surfaces of the baffle are used for forming one side of the air duct and extend from the air duct inlet to the air duct outlet. Of course, the first air guide plate 2-8 and the second air guide plate 2-9 may have other shapes, so long as the air duct inside the vehicle and the air duct outside the vehicle can form a unique air path from the inlet to the outlet of the air.
The first air deflector 2-8 and the second air deflector 2-9 are provided with light path channel holes 2-10, and the light path channel holes 2-10 are positioned on the light path of the luminous tube 2-3 reflected by the optical lens group.
The fan 1 is one, the air duct outlet 212 in the vehicle and the air duct outlet 222 outside the vehicle are through holes, the air duct 2-1 in the vehicle and the air duct 2-2 outside the vehicle are mutually isolated through the partition plate 2-11, and the partition plate 2-11 is arranged at the through holes forming the air duct outlet 212 in the vehicle and the air duct outlet 222 outside the vehicle. Specifically, the outside of the inductor body 2 is a shell, an H-shaped flange is arranged in the shell, the flange and the side surface of the shell are jointly enclosed to form an inner space, an in-car air duct 2-1 and an out-car air duct 2-2 are formed through a first air deflector 2-8 and a second air deflector 2-9, and the partition plate 2-11 is a transverse edge in the middle of the H-shaped flange. The two sides of the H-shaped flange are also provided with light path channel holes 2-10, one side is used for reflecting the light rays of the reflecting mirror 2-7 into the air channel, and the other side is used for emitting the light rays out of the air channel.
The luminous tube lamp further comprises a circuit board 3, a connector 4 and an upper cover 5, wherein the luminous tube 2-3 and the receiving tube are connected with the circuit board 3, and the circuit board 3 is connected with an external power supply through the connector 4. The upper cover 5 is arranged on the inductor body 2 in a covering manner, and the circuit board 3 is positioned between the inductor body 2 and the upper cover 5. The connector 4 is connected with an external power supply to provide electric energy for the invention; the circuit board 3 is a control circuit for controlling the work of each electronic component; the upper cover 5 encapsulates the inductor body 2, the circuit board 3 and the like inside, and plays a role in protecting related components.
The dust sensor of the present invention may be connected to the air inlet pipe at the in-vehicle air duct inlet 211 and the out-vehicle air duct inlet 221, respectively, to introduce in-vehicle air or out-vehicle air into the in-vehicle air duct 2-1 and the out-vehicle air duct 2-2, respectively. The dust sensor is arranged at a position which can obtain air in the vehicle and air outside the vehicle instead of the air inlet pipe, so that air inlet is realized. The core component of the structure of the invention is an inductor body 2, the main structure of which is shown in figure 3, and the working principle is as follows:
due to the pressure difference generated by the continuous operation of the fan 1, the outside air is introduced into the in-vehicle air duct 2-1 and the out-vehicle air duct 2-2 through the in-vehicle air duct inlet 211 and the out-vehicle air duct inlet 221, respectively, and is then discharged by the fan 1. The infrared rays or laser emitted by the luminous tube 2-3 are emitted to the optical lens group, two light paths are emitted by the spectroscope 2-6 and respectively emitted to the two reflecting mirrors 2-7, and the reflected two light paths respectively pass through the air duct 2-1 in the vehicle and the air duct 2-2 outside the vehicle through the light path passage holes 2-10. When the reflected light passes through the air duct 2-1 in the vehicle and the air duct 2-2 outside the vehicle, the optical phenomena such as refraction and reflection occur when the reflected light encounters particles such as dust, and the like, and after the reflected light receives related signals through the inner receiving tube 2-4 and the outer receiving tube 2-5, related data are obtained through related signal processing.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. A dust sensor, characterized by: the intelligent automobile air conditioner comprises a fan (1) and an inductor body (2), wherein the inductor body (2) comprises an automobile inner air duct (2-1), an automobile outer air duct (2-2), a luminous tube (2-3), an optical lens group and a receiving tube, and the automobile inner air duct (2-1) and the automobile outer air duct (2-2) are mutually isolated;
the vehicle interior air duct (2-1) is provided with an interior air duct inlet (211) and an interior air duct outlet (212), and the vehicle exterior air duct (2-2) is provided with an exterior air duct inlet (221) and an exterior air duct outlet (222); the air duct outlet (212) in the vehicle and the air duct outlet (222) outside the vehicle are close to each other, or the air duct outlet (212) in the vehicle and the air duct outlet (222) outside the vehicle are the same through hole, and the fan (1) is arranged at the air duct outlet (212) in the vehicle and the air duct outlet (222) outside the vehicle;
the receiving tube comprises an inner receiving tube (2-4) and an outer receiving tube (2-5) which are respectively arranged in the inner air channel (2-1) and the outer air channel (2-2), the inner air channel (2-1) and the outer air channel (2-2) are arranged side by side, an emergent light path of the luminous tube (2-3) is divided into two light paths by an optical lens group and respectively injected into the inner air channel (2-1) and the outer air channel (2-2), and the inner receiving tube (2-4) and the outer receiving tube (2-5) deviate from the light paths and are respectively arranged in the inner air channel (2-1) and the outer air channel (2-2);
the inner receiving pipe (2-4) is positioned near the air duct inlet (211) in the vehicle, and the outer receiving pipe (2-5) is positioned near the air duct inlet (221) outside the vehicle.
2. The dust sensor of claim 1, wherein: the optical lens group comprises a spectroscope (2-6) and two reflecting mirrors (2-7) which are respectively arranged at two sides of the spectroscope (2-6), wherein the luminous tube (2-3) faces the spectroscope (2-6), and an emergent light path of the luminous tube (2-3) is divided into two light paths which are parallel to each other or are positioned in the same straight line through the spectroscope (2-6), and then is respectively reflected into the in-vehicle air duct (2-1) and the out-vehicle air duct (2-2) through the two reflecting mirrors (2-7).
3. A dust sensor according to claim 2, wherein: the spectroscope (2-6) and the reflecting mirror (2-7) are all total reflection prisms.
4. A dust sensor according to any one of claims 1-3, characterized in that: the air duct (2-1) in the vehicle and the air duct (2-2) outside the vehicle are symmetrically arranged, and the luminous tube (2-3) is positioned on the symmetrical shaft of the air duct (2-1) in the vehicle and the air duct (2-2) outside the vehicle.
5. The dust sensor of claim 1, wherein: the air duct (2-1) in the automobile is provided with a first air deflector (2-8), the air duct (2-2) outside the automobile is provided with a second air deflector (2-9), the first air deflector (2-8) and the second air deflector (2-9) are bending type baffles, the first air deflector (2-8) extends from the side of the air duct inlet (211) in the automobile to the position of the air duct outlet (212) in the automobile, and the second air deflector (2-9) extends from the side of the air duct inlet (221) outside the automobile to the position of the air duct outlet (222) outside the automobile.
6. The dust sensor of claim 5, wherein: the light path channel holes (2-10) are formed in the first air deflector (2-8) and the second air deflector (2-9), and the light path channel holes (2-10) are positioned on the light path of the luminous tube (2-3) reflected by the optical lens group.
7. The dust sensor of claim 1, wherein: the air conditioner is characterized in that the fan (1) is arranged, the air duct outlet (212) in the automobile and the air duct outlet (222) outside the automobile are through holes, the air duct (2-1) in the automobile and the air duct (2-2) outside the automobile are mutually isolated through the partition board (2-11), and the partition board (2-11) is arranged at the through holes forming the air duct outlet (212) in the automobile and the air duct outlet (222) outside the automobile.
8. The dust sensor of claim 1, wherein: the luminous tube is characterized by further comprising a circuit board (3) and a connector (4), wherein the luminous tube (2-3) and the receiving tube are connected with the circuit board (3), and the circuit board (3) is connected with an external power supply through the connector (4).
9. The dust sensor of claim 8, wherein: the inductor further comprises an upper cover (5), wherein the upper cover (5) is arranged on the inductor body (2) in a covering mode, and the circuit board (3) is located between the inductor body (2) and the upper cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060886.4A CN106769694B (en) | 2016-11-25 | 2016-11-25 | Dust sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060886.4A CN106769694B (en) | 2016-11-25 | 2016-11-25 | Dust sensor |
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| Publication Number | Publication Date |
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| CN106769694A CN106769694A (en) | 2017-05-31 |
| CN106769694B true CN106769694B (en) | 2023-07-25 |
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| CN201611060886.4A Active CN106769694B (en) | 2016-11-25 | 2016-11-25 | Dust sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107356505A (en) * | 2017-08-28 | 2017-11-17 | 南京中科乾安智能科技有限公司 | Particle concentration sensor and sensor-based system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203287312U (en) * | 2013-04-16 | 2013-11-13 | 比亚迪股份有限公司 | Vehicle and PM2.5 particle detection device component thereof |
| CN103954540B (en) * | 2014-04-29 | 2016-01-06 | 江苏朗信电气有限公司 | A kind of vehicle-mounted particle concentration detector |
| CN105717014A (en) * | 2016-04-22 | 2016-06-29 | 苏州翰霖汽车科技有限公司 | PM2.5 detection module |
| CN206208701U (en) * | 2016-11-25 | 2017-05-31 | 江苏日盈电子股份有限公司 | Dust sensor |
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