CN222561496U - Novel PM2.5 sensor equipment - Google Patents
Novel PM2.5 sensor equipment Download PDFInfo
- Publication number
- CN222561496U CN222561496U CN202420690341.5U CN202420690341U CN222561496U CN 222561496 U CN222561496 U CN 222561496U CN 202420690341 U CN202420690341 U CN 202420690341U CN 222561496 U CN222561496 U CN 222561496U
- Authority
- CN
- China
- Prior art keywords
- air
- cavity
- circuit board
- novel
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 17
- 230000008093 supporting effect Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 4
- -1 hair Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The application relates to novel PM2.5 sensor equipment, which is characterized in that a fan is integrally integrated on an upper shell, so that the die cost is reduced, and the noise vibration of the fan is reduced. The air inlet is provided with a filter screen for preliminarily filtering impurities with large particles such as hair, fabrics and the like in the air, the air inlet or the air outlet of the detection device is prevented from being blocked by the impurities, the accuracy of detection results is improved, meanwhile, the air extraction element isolates the air from electronic components outside the cavity of the device, the dust in the air is prevented from being covered and deposited on the electronic components to the greatest extent, the accuracy of the detection results is improved, the service life of the detection device is prolonged, and in addition, the clamping grooves and the positioning ribs are respectively arranged on the upper shell and the lower shell, so that the effective assembly between the air quality detection device and a vehicle is facilitated, and the technical effects of stable installation and vibration prevention are achieved.
Description
Technical Field
The disclosure relates to the technical field of quality detection, in particular to novel PM2.5 sensor equipment and a vehicle.
Background
With the improvement of health consciousness, users usually pay attention to the air quality in vehicles such as automobiles, only rely on human feeling to judge the air quality in the automobiles, and turn on or off the vehicle-mounted purifier or the vehicle-mounted air conditioning system according to the judging result, however, the human judgment has errors, so that the users cannot correctly make the on or off operation, the air purification cannot be timely performed, and the health hidden trouble is reduced.
The PM2.5 sensor on the market at present can cause blockage of a sensing probe and influence detection because of large-particle impurities such as hair, fabrics and the like in the air during infection monitoring. In addition, since the sensor needs to be mounted on a vehicle such as a vehicle, vibration generated during running of the vehicle may cause instability of the sensor or the like, and may also affect sensing.
There is therefore a strong need in the market for a sensor device that can avoid the disturbance of the sensor elements in the vehicle, so that an accurate real-time detection of the air quality in the vehicle can be performed.
Disclosure of utility model
In order to solve the problems, the application provides novel PM2.5 sensor equipment and a vehicle.
In one aspect of the present application, a novel PM2.5 sensor apparatus is presented, comprising:
A housing, wherein:
The shell is provided with an air filter, an air inlet hole 13 and an air outlet hole 11, and the air filter is positioned at the air inlet hole 13;
The shell is internally provided with a circuit board 9, a communication assembly 8, a laser shielding cover 5, an air extraction element 20 and an air cavity 15, wherein the communication assembly 8, the light sensing element and the air extraction element 20 in the laser shielding cover 5 are respectively and electrically connected with the circuit board 9;
The sucked gas enters through the air cavity 15, is detected by the light sensing element in the laser shielding cover 5, and then is fed back to the circuit board 9, and is sent to the communication assembly 8 for reporting after being calculated by the circuit board 9.
As an alternative embodiment of the present application, optionally, the housing is composed of an upper housing 3 and a lower housing 6, and the two housings are fixed by a screw 4;
The air inlet hole 13 and the air outlet hole 11 are both arranged on the upper shell 3.
As an alternative embodiment of the present application, optionally, the air filter includes:
a filter screen 2;
The filter screen cover plate 1 is matched with the air inlet hole 13 and is used for fixing the filter screen 2 on the air inlet hole 13.
As an alternative embodiment of the present application, optionally, the air chamber 15 includes:
The second cavity 19 is arranged on the lower surface of the air inlet hole 13 and is used for air inlet, and the upper edge of the second cavity 19 is connected with the first notch of the circuit board 9;
A first cavity 17 provided on the lower housing 6 and communicating with the second cavity 19;
The third cavity 14 is disposed on the lower housing 6 and is in communication with the first cavity 17 through a flow channel 18.
As an alternative embodiment of the present application, optionally, the first cavity 17 is enclosed by a baffle disposed inside the lower housing 6, and the baffle of the lower housing 6 abuts against the circuit board 9.
As an alternative embodiment of the present application, optionally, the air chamber 15 further includes:
And ribs 16 provided on an inner side surface of the lower case 6 for supporting and separating the lower case 6 from the upper case 3.
As an alternative embodiment of the present application, the air extracting element 20 may penetrate through the circuit board 9, and the air outlet surface 21 thereof protrudes from the upper surface of the circuit board 9 and abuts against the air outlet hole 11.
As an optional embodiment of the present application, optionally, further comprising:
A clamping groove 10 and a positioning rib 12 for assembling the upper housing 3 and the lower housing 6.
As an optional embodiment of the present application, optionally, further comprising:
and a tag 7 provided on the outer side surface of the lower case 6.
In another aspect of the application, a vehicle is provided that includes a novel PM2.5 sensor apparatus as described above.
The utility model has the technical effects that:
the application reduces the cost of the die and reduces the overall noise vibration of the blower by integrating the blower integrally with the upper housing 3. The air inlet is provided with a filter screen 2 for preliminarily filtering impurities with large particles such as hair, fabrics and the like in the air, so that the impurities are prevented from blocking the air inlet 13 or the air outlet 11 of the detection device, the accuracy of a detection result is improved, and meanwhile, the second cavity 19 is formed by extending from the lower part of the upper shell 3 and protruding out of the lower surface of the upper shell 3 through the arrangement of the second cavity 19 on the lower surface of the air inlet 13 on the upper shell 3. The edge of the second cavity 19 is embedded in the first notch of the circuit board 9, so that the measured fluid entering from the air inlet hole 13 passes through the first cavity and directly reaches the lower shell 6. The accommodating cavity arranged on the lower shell 6 is formed by enclosing the baffle arranged inside the lower shell, and the baffle of the lower shell 6 is propped against the circuit board, so that the upper shell 3 and the lower shell 6 are separated by the circuit board. The circuit board also comprises a suction penetrating through the circuit board, the air outlet surface of the air suction element protrudes out of the upper surface of the circuit board and is propped against the air outlet hole 11 on the upper shell 3, so that air is isolated from electronic components outside the accommodating cavity, dust in the air is prevented from being covered and deposited on the electronic components to the greatest extent, the accuracy of a detection result is improved, the service life of the detection device is prolonged, and in addition, the clamping grooves 10 and the positioning ribs 12 are respectively arranged on the upper shell and the lower shell, so that the air quality detection device and a vehicle are conveniently and effectively assembled, and the technical effects of stable installation and vibration prevention are achieved.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features and aspects of the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 shows a schematic diagram of an explosive structure according to the present utility model;
FIG. 2 is a schematic view of the upper housing of the present utility model;
FIG. 3 is a schematic view showing the constitution of the lower housing of the present utility model;
FIG. 4 is a schematic view showing the structure of the air extracting element of the present utility model;
figure 5 shows a schematic drawing of the bleed flow of the present utility model.
Detailed Description
Various exemplary embodiments, features and aspects of the disclosure will be described in detail below with reference to the drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
In addition, numerous specific details are set forth in the following detailed description in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, well known means, elements, and circuits have not been described in detail so as not to obscure the present disclosure.
Example 1
As shown in fig. 1-4, in one aspect of the present application, a novel PM2.5 sensor apparatus is presented comprising:
A housing, wherein:
The shell is provided with an air filter, an air inlet hole 13 and an air outlet hole 11, and the air filter is positioned at the air inlet hole 13;
The shell is internally provided with a circuit board 9, a communication assembly 8, a laser shielding cover 5, an air extraction element 20 and an air cavity 15, wherein the communication assembly 8, the light sensing element and the air extraction element 20 in the laser shielding cover 5 are respectively and electrically connected with the circuit board 9;
The sucked gas enters through the air cavity 15, is detected by the light sensing element in the laser shielding cover 5, and then is fed back to the circuit board 9, and is sent to the communication assembly 8 for reporting after being calculated by the circuit board 9.
The principle of gas sensing detection is not described in this embodiment, and please refer to the existing laser-type gas sensing principle.
As shown in fig. 5, when the air extraction is performed, the air extraction element 20 is started to generate negative pressure, so that external air enters the internal air cavity through the air inlet hole and is discharged after passing through the air extraction element 20.
According to the application, an air inlet hole and an air outlet hole are formed in a shell, an air cavity is formed in the shell, a filter screen and an air extraction element are arranged at the air inlet hole, the air enters the air cavity after air extraction and filtration from the outside, the sucked air enters the air cavity through the air cavity 15 in the process of flowing through the air cavity, the light sensing element in the laser shielding cover 5 detects the sucked air, then a detection signal is fed back to the circuit board 9, and the circuit board 9 calculates the detection signal and sends the detection signal to the communication assembly 8 for reporting.
The laser shielding 5 prevents the laser element from being contaminated by ash in the gas.
After the light sensation detection is carried out, a light detection feedback signal is sent to the circuit board, and the detection circuit calculates the light sensation detection, so that a corresponding detection value is obtained. The display may be by an electronic screen or the like on the sensor. The air purifier or the vehicle-mounted air conditioner can be automatically controlled by the vehicle according to signals fed back by the circuit board through a communication component such as Bluetooth or USB communication component or serial communication.
The communication component of this embodiment is preferably serial communication, and may be other types of data lines.
As an alternative embodiment of the present application, optionally, the housing is composed of an upper housing 3 and a lower housing 6, and the two housings are fixed by a screw 4;
The air inlet hole 13 and the air outlet hole 11 are both arranged on the upper shell 3.
The number and location of the specific fixed connections are not limited in this embodiment.
As an alternative embodiment of the present application, optionally, the air filter includes:
a filter screen 2;
The filter screen cover plate 1 is matched with the air inlet hole 13 and is used for fixing the filter screen 2 on the air inlet hole 13.
The air inlet 13 and the air outlet 11 which are arranged on the shell 3 of the device body, the filter screen 2 which is arranged at the air inlet 13 can perform preliminary filtration on large particle impurities such as hair, fabrics and the like in the air, prevent the large particle impurities from blocking the air inlet 13 and the air outlet 11 of the detection device, the filter screen 2 is replaceable, through ingenious structural design, the air is isolated from electronic components outside the accommodating cavity, the dust in the air is prevented from being covered and deposited on the electronic components to the greatest extent, the accuracy of a detection result is improved, the service life of the detection device is prolonged, and the clamping grooves and the positioning ribs are respectively arranged on the upper shell and the lower shell, so that the effective assembly between the air quality detection device and a vehicle is facilitated, and the technical effects of stable installation and vibration resistance are achieved.
As an alternative embodiment of the present application, optionally, the air chamber 15 includes:
The second cavity 19 is arranged on the lower surface of the air inlet hole 13 and is used for air inlet, and the upper edge of the second cavity 19 is connected with the first notch of the circuit board 9;
A first cavity 17 provided on the lower housing 6 and communicating with the second cavity 19;
The third cavity 14 is disposed on the lower housing 6 and is in communication with the first cavity 17 through a flow channel 18.
The air chamber 15 includes chambers provided on the upper and lower cases, respectively. The second cavity 19 is disposed at the air inlet of the upper housing, and is mainly used for air intake, and the upper edge of the second cavity 19 contacts a notch of the circuit board, so as to provide sampling gas for the light sensing element thereon. The residual gas flows out through the first cavity 17 and the third cavity 14 which are formed by surrounding the inside of the lower shell and is discharged through the air outlet holes.
As an alternative embodiment of the present application, optionally, the first cavity 17 is enclosed by a baffle disposed inside the lower housing 6, and the baffle of the lower housing 6 abuts against the circuit board 9.
The second cavity 19 is formed by extending the lower portion of the upper housing 3 by providing the second cavity 19 on the lower surface of the air intake hole 13 on the upper housing 3, and protrudes from the lower surface of the upper housing 3. The edge of the second cavity 19 is embedded in the first notch of the circuit board 9, so that the measured fluid entering from the air inlet hole 13 passes through the first cavity 17 and directly reaches the lower shell 6. The housing cavity-first cavity 17 provided on the lower housing 6 is enclosed by a baffle provided inside the lower housing, and the baffle of the lower housing 6 abuts against the circuit board 9, thereby separating the upper housing 3 and the lower housing 6 by the circuit board.
As an alternative embodiment of the present application, optionally, the air chamber 15 further includes:
And ribs 16 provided on an inner side surface of the lower case 6 for supporting and separating the lower case 6 from the upper case 3.
The reinforcing ribs are arranged, so that the reinforcing ribs can participate in enclosing the cavity surface, and the supporting property between the upper shell and the lower shell can be enhanced.
As an alternative embodiment of the present application, the air extracting element 20 may penetrate through the circuit board 9, and the air outlet surface 21 thereof protrudes from the upper surface of the circuit board 9 and abuts against the air outlet hole 11. The air extraction element 20 may be a fan or the like for extracting air, which may be automatically controlled by the circuit board.
The air extraction element 20 penetrates through the circuit board, the air outlet surface 21 of the air extraction element 20 protrudes out of the upper surface of the circuit board and is propped against the air outlet hole 11 on the upper shell 3, so that air is isolated from electronic components outside the accommodating cavity, dust in the air is prevented from being covered and deposited on the electronic components to the greatest extent, the accuracy of a detection result is improved, and the service life of the detection device is prolonged.
As an optional embodiment of the present application, optionally, further comprising:
A clamping groove 10 and a positioning rib 12 for assembling the upper housing 3 and the lower housing 6. The clamping grooves 10 and the positioning ribs 12 are respectively arranged on the upper shell and the lower shell, so that the air quality detection device and a vehicle can be effectively assembled, and the technical effects of stable installation and vibration prevention are achieved.
As an optional embodiment of the present application, optionally, further comprising:
And a tag 7 provided on the outer side surface of the lower case 6. The tag may be a two-dimensional code or the like, and may be used to record information such as the device number of the current sensor.
Example 2
Based on the implementation principle of embodiment 1, a vehicle is proposed, comprising a novel PM2.5 sensor device as described above.
The vehicle can be an automobile or the like, the novel PM2.5 sensor device can be used for the automobile to detect the air quality in the automobile, and the novel PM2.5 sensor device automatically controls the air purifier and the like of the automobile to be automatically opened according to the detection result.
The circuit board can automatically control according to the detection result, for example, when the detection value of PM2.5 reaches a preset value, the circuit board can send a control signal to the vehicle, and the vehicle turns on the air purifier.
The specific control program is not limited in scope by the present application.
The foregoing description of the embodiments of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (9)
1. A novel PM2.5 sensor apparatus, comprising:
A housing, wherein:
the shell is provided with an air filter, an air inlet hole and an air outlet hole, and the air filter is positioned at the air inlet hole;
The shell is internally provided with a circuit board, a communication assembly, a laser shielding cover, an air extraction element and an air cavity, wherein the communication assembly, the light sensing element and the air extraction element in the laser shielding cover are respectively and electrically connected with the circuit board;
And the pumped gas enters through the air cavity, is detected by a light sensing element in the laser shielding cover, feeds back a detection signal to the circuit board, calculates the detection signal by the circuit board, and sends the detection signal to the communication assembly for reporting.
2. The novel PM2.5 sensor apparatus of claim 1, wherein the housing is comprised of an upper housing and a lower housing, and is secured therebetween by screws;
the air inlet holes and the air outlet holes are all arranged on the upper shell.
3. A novel PM2.5 sensor apparatus according to claim 1, wherein the air filter comprises:
a filter screen;
The filter screen cover plate is matched with the air inlet hole and used for fixing the filter screen on the air inlet hole.
4. A novel PM2.5 sensor apparatus according to claim 2, wherein the air cavity comprises:
The second cavity is arranged on the lower surface of the air inlet hole and is used for air intake, and the upper edge of the second cavity is connected with the first notch of the circuit board;
The first cavity is arranged on the lower shell and is communicated with the second cavity;
and the third cavity is arranged on the lower shell and is communicated with the first cavity through a flow passage.
5. The novel PM2.5 sensor apparatus of claim 4, wherein the first chamber is defined by a baffle disposed within the lower housing, the baffle of the lower housing being in abutment with the circuit board.
6. The novel PM2.5 sensor apparatus of claim 4, wherein said air cavity further comprises:
And the rib body is arranged on the inner side surface of the lower shell and is used for supporting and separating the lower shell from the upper shell.
7. The novel PM2.5 sensor apparatus of claim 1, wherein the air extraction element extends through the circuit board, and has an air outlet surface protruding from the upper surface of the circuit board (9) and abutting against the air outlet hole.
8. The novel PM2.5 sensor apparatus of claim 2, further comprising:
The clamping groove and the positioning rib are used for assembling the upper shell and the lower shell.
9. The novel PM2.5 sensor apparatus of claim 2, further comprising:
And the label is arranged on the outer side surface of the lower shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420690341.5U CN222561496U (en) | 2024-04-07 | 2024-04-07 | Novel PM2.5 sensor equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420690341.5U CN222561496U (en) | 2024-04-07 | 2024-04-07 | Novel PM2.5 sensor equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222561496U true CN222561496U (en) | 2025-03-04 |
Family
ID=94757117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420690341.5U Active CN222561496U (en) | 2024-04-07 | 2024-04-07 | Novel PM2.5 sensor equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222561496U (en) |
-
2024
- 2024-04-07 CN CN202420690341.5U patent/CN222561496U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6894620B2 (en) | Method and device for monitoring the service life of a filter | |
| US6779380B1 (en) | Measuring system for the control of residual dust in safety vacuum cleaners | |
| US10807440B2 (en) | Dual-passage air quality detection device | |
| EP0362114A2 (en) | Back-to-back fuel filter and water separator | |
| CN108318405B (en) | Filter membrane/filter cartridge trapping efficiency and resistance detection device | |
| US5624639A (en) | Gas detecting device for vehicle | |
| US6394062B2 (en) | Dust sensing assembly air intake system | |
| CN222561496U (en) | Novel PM2.5 sensor equipment | |
| US20050218351A1 (en) | Meter capable of measuring ambient dust concentration | |
| CN209911187U (en) | Double-circuit PM2.5 detection device | |
| CN215959597U (en) | Cleaning device | |
| CN217645690U (en) | Electric air supply respirator equipped with air pressure sensor | |
| CN217879078U (en) | Detection robot with smell device | |
| CN211933866U (en) | Integrated shell and dust collector | |
| CN207516230U (en) | A kind of air quality detecting device and the vehicles | |
| CN218690461U (en) | Electrostatic filter and air purification equipment | |
| CN110652248A (en) | Integrated shell and dust collector | |
| CN208000257U (en) | A kind of single channel air quality detecting device | |
| KR20000021245U (en) | The apparatus for detecting the pollution level of filter | |
| CN220212812U (en) | Dust collector | |
| CN218726478U (en) | Particle counter | |
| CN218546457U (en) | Optical lens dustproof construction | |
| US6991669B1 (en) | System and method for silver recovery and monitoring | |
| CN221056422U (en) | Air quality monitor | |
| CN212022266U (en) | Vehicle-mounted air detection and purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |