CN207662764U - The PM2.5 sensors of intelligent mask - Google Patents
The PM2.5 sensors of intelligent mask Download PDFInfo
- Publication number
- CN207662764U CN207662764U CN201721602549.3U CN201721602549U CN207662764U CN 207662764 U CN207662764 U CN 207662764U CN 201721602549 U CN201721602549 U CN 201721602549U CN 207662764 U CN207662764 U CN 207662764U
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- Prior art keywords
- laser module
- fixing base
- sensors
- module fixing
- pedestal
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- 238000001514 detection method Methods 0.000 claims abstract description 30
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000000977 initiatory effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 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
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a kind of PM2.5 sensors of intelligent mask, including circuit board, laser module fixing base, the laser module fixing base is equipped with detection zone, air inlet and the first air outlet corresponding with the air inlet, the circuit board is equipped with the pedestal with mounting hole, the pedestal upper center is equipped with turbofan, and being located at the pedestal around the turbofan is equipped with a helical fan cover；The laser module fixing base is arranged in the open end of the helical fan cover, and is connected with the initiating terminal of the helical fan cover；The laser module fixing base forms the second air outlet close to the end of the side of detection zone and pedestal, helical fan cover.The utility model changes wind pressure using turbofan and unique Duct design, solve PM2.5 sensors in existing intelligent mask cannot active air draught requirement, detect the PM2.5 values of human body respiration in mask in real time, improve the purification efficiency of intelligent mask.
Description
Technical field
The utility model is related to laser dust sensor technical fields, and in particular to a kind of PM2.5 biographies of intelligence mask
Sensor.
Background technology
In recent years haze weather is more and more frequent and severe in the whole country, and the PM2.5 in haze has health larger
Harm.Existing PM2.5 sensors cannot meet the requirement of intelligent mask active air draught, and wind pressure is small, and process is worn in mask
In easily there is breathing and have some setbacks and situation that PM2.5 prohibited data detections are true.It is therefore desirable to design one kind being exclusively used in mouth
The PM2.5 sensors of cover detect the PM2.5 values of human body respiration in mask, improve the purification efficiency of mask in real time.
Invention content
The purpose of this utility model is that in view of the problems of the existing technology, providing a kind of PM2.5 of intelligent mask
Sensor, the sensor use turbofan and unique Duct design, solve the problems, such as that existing mask wind pressure is small, make sucking
Wind pressure is big, can real-time and precise measure the PM2.5 values of human body respiration in mask, improve the purification efficiency of intelligent mask.
To achieve the above object, the technical solution adopted in the utility model is：A kind of PM2.5 sensings of intelligence mask
Device, including circuit board, laser module fixing base and laser module, photodiode on laser module fixing base, institute
It states laser module fixing base and is equipped with detection zone, air inlet and the first air outlet corresponding with the air inlet, the circuit
The pedestal with mounting hole is equipped with above plate, the pedestal upper center is equipped with turbofan, is located at around the turbofan described
Pedestal is equipped with a helical fan cover；The laser module fixing base is arranged in the open end of the helical fan cover, and with institute
The initiating terminal for stating helical fan cover is connected；It is covered with a downward opening wind guide tank outside first air outlet；The mode of laser
Group fixed seat forms the second air outlet close to the end of the side of detection zone and pedestal, helical fan cover so that the turbine
The air-flow that fan generates is divided into two-way, passes through the second air outlet all the way and flows out, another way is followed by laser module fixing base
Air inlet, detection zone, the first air outlet, wind guide tank realize the purpose of human body respiration PM2.5 values in detection mask in real time.
In use, turbofan rotates, by outside air mask for inhalation, air draught after filtering is divided into two-way,
Pass through the second air outlet all the way and human body respiration use is provided, another way passes through the detection zone of laser module fixing base, by swashing
The particulate matter that optical mode group emits in laser beam irradiation air-flow generates optical signal, and optical signal is converted to electric signal by photodiode
To detect the PM2.5 values of human body respiration.
The PM2.5 sensors that the utility model is used for intelligent mask use turbofan and helical fan cover so that this reality
Pressure stability and the consistent air-flow of flow velocity can be generated with new device, greatly improves the accuracy of detection of sensor.
Further, a downward opening wind guide tank is provide with outside first air outlet
Further, shielding case, lower shielding case are arranged with outside the laser module fixing base.Preferably, the lower shielding
A part for cover package laser module fixing base and circuit board.
Sensor detection uses full frame shield structure, by sensing element such as photodiode, laser module fixing base, circuit board
It is directly enclosed in shielding case entirely, in lower shielding case, effectiveness is good, and anti-interference ability is stronger, so that sensor
Accuracy of detection greatly improve, testing result is more stable and reliable.
Further, to avoid external light source or the path of reflective Interference Detection region laser light source that testing result is caused to be missed
The big problem of difference is equipped with a shading cover plate in the top of detection zone in laser module fixed seating, effectively avoids the external world
Light source or the reflective influence to light path ensure accuracy of detection.
Further, the pedestal is equipped with cable-through hole, and one close to laser module fixing base is connect with the cable-through hole
It is stitched equipped with conducting wire side.Electric wire neatly arranged by cable-through hole and conducting wire seam, efficiently solves electric wire bending, dead weight, fan shake
Wire dropout, breakage problem caused by dynamic equal, reduce that fan poor contact, exception takes place frequently, noise is big, the failures such as fragile.
Further, the initiating terminal of the laser module fixing base and helical fan cover is detachably connected, and can pass through
Strip is set, the mode of groove engages.Laser module fixing base and helical fan cover are detachably connected, are highly convenient for each zero
The dismounting of part, mask of being more convenient for are safeguarded using the internal cleaning of rear sensor for a long time.
Since wind guide tank is covered on the outside of the first air outlet, for ease of the cleaning and maintenance of laser module fixing base, further
Ground, first air outlet periphery are equipped with installation card slot, and the wind guide tank lateral edges are equipped with and are matched with the installation card slot
Raised line.
Further, wireless communication module is equipped in the circuit board.Module can real-time on-site transmission by radio communication
The PM2.5 values that sensor detects.
Compared with prior art, the utility model has the beneficial effects that：1, the utility model uses turbofan and uniqueness
Duct design change wind pressure, solve the problems, such as in existing intelligent mask PM2.5 sensors cannot active air draught, can be real-time
The PM2.5 values of human body respiration in mask are detected, the purification efficiency of intelligent mask is greatly improved；2, the utility model sensor
It is simple in structure, easy for installation, stable air-flow can be generated by turbofan and air duct, anti-interference ability improves so that passes
The accuracy of detection of sensor greatly improves, and testing result is more stable and reliable.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the PM2.5 sensors of the utility model intelligence mask；
Fig. 2 is the dimensional structure diagram of another angle of the PM2.5 sensors of the utility model intelligence mask；
Fig. 3 is the explosive view of the PM2.5 sensors of the utility model intelligence mask；
In figure：1, circuit board；2, laser module fixing base；201, detection zone；202, air inlet；203, the first outlet air
Mouthful；3, mounting hole；4, pedestal；5, turbofan；6, helical fan cover；7, wind guide tank；8, the second air outlet；9, upper shielding case；
10, lower shielding case；11, shading cover plate；12, cable-through hole；13, conducting wire stitches.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, the technical solution of the utility model is carried out it is clear, complete
Site preparation describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
It is obtained by those of ordinary skill in the art without making creative efforts based on the embodiments of the present invention
Every other embodiment, shall fall within the protection scope of the present invention.
Embodiment 1：As shown in Figure 1, a kind of PM2.5 sensors of intelligence mask, including circuit board 1, laser module are solid
Reservation 2 and laser module, photodiode on laser module fixing base 2, the laser module fixing base 2 are equipped with
Detection zone 201, air inlet 202 and first air outlet 203 corresponding with the air inlet 202,1 top of the circuit board are equipped with
Pedestal 4 with mounting hole 3,4 upper center of the pedestal are equipped with turbofan 5, are located at the pedestal 4 around the turbofan 5
It is equipped with a helical fan cover 6；The laser module fixing base 2 is arranged in the open end of the helical fan cover 6, and with it is described
The initiating terminal of helical fan cover 6 is connected；The laser module fixing base 2 is close to the side of detection zone 201 and pedestal 4, spiral
The end of fan guard 6 forms the second air outlet 8 so that the air-flow that the turbofan 5 generates is divided into two-way, passes through second all the way
Air outlet 8 flows out, and another way is followed by the air inlet 202 of laser module fixing base 2, detection zone 201, the first air outlet
203, realize the purpose of human body respiration PM2.5 values in detection mask in real time.
A downward opening wind guide tank 7 is provide with outside first air outlet 203.The wind guide tank 7 makes tested air gas
Trend is more clear, and flowing is more stable and reliable, while ambient can be prevented dry into detection zone 201 by the first air outlet 203
Disturb 201 optical signal of detection zone, it is ensured that testing result is precisely reliable.
In use, turbofan 5 rotates, by outside air mask for inhalation, air draught after filtering is divided into two-way,
Pass through the second air outlet 8 all the way and human body respiration use is provided, another way passes through the detection zone 201 of laser module fixing base 2, leads to
The particulate matter crossed in mode of laser group transmitting laser beam irradiation air-flow generates optical signal, and optical signal is converted to electricity by photodiode
Signal is to detect the PM2.5 values of human body respiration.
As further improvement of this embodiment：As shown in figure 3, being located at detection zone in the laser module fixing base 2
201 top is equipped with a shading cover plate 11, effectively avoids external light source or the reflective influence to light path, ensures accuracy of detection.
As further improvement of this embodiment：As shown in figure 3, the pedestal 4 is equipped with cable-through hole 12, line is crossed with described
Hole 12 is connected is equipped with conducting wire seam 13 close to the side of laser module fixing base 2.It is by cable-through hole 12 and conducting wire seam 13 that electric wire is whole
Neat arrangement, efficiently solves wire dropout, breakage problem caused by electric wire bending, dead weight, fan vibration etc., reduces fan and connect
Touch that bad, exception takes place frequently, noise is big, the failures such as fragile.
As further improvement of this embodiment：Wireless communication module is equipped in the circuit board 1.The radio communication mold
Block can be GPRS, WiFi, bluetooth etc., by radio communication module can real-time on-site remote transmission sensor detect
PM2.5 values.
Embodiment 2：As Figure 2-3, a kind of PM2.5 sensors of intelligent mask, the difference with embodiment 1 only exist
In：It is arranged with shielding case 9, lower shielding case 10 outside the laser module fixing base 2.Upper shielding case 9 is equipped with and air inlet
202,203 corresponding through-hole of the first air outlet, it is ensured that air circulation.
The upper shielding case 9, lower shielding case 10 are metal material, can be solid mounted on laser module by any of which
In reservation 2.
The lower shielding case 10 wraps up a part for laser module fixing base 2 and circuit board 1, thus by sensing element photoelectricity
Diode, laser module fixing base 2, circuit board 1 are directly complete to be surrounded, and effectiveness is good, and anti-interference ability is stronger, detection knot
Fruit is more stable and reliable.
Embodiment 3：A kind of PM2.5 sensors of intelligence mask, with differing only in for above-described embodiment：The laser
Module fixing base 2 and the initiating terminal of helical fan cover 6 are detachably connected, and can be engaged by way of strip, groove is arranged.
Strip, groove drawn in the figure, only do not represent a kind of dismountable mode, and not as the restriction of the present embodiment.
Embodiment 4：A kind of PM2.5 sensors of intelligence mask, with differing only in for above-described embodiment：Described first
203 periphery of air outlet is equipped with installation card slot, and 7 lateral edges of the wind guide tank are equipped with and the matched raised line of the installation card slot.
When needing installation, the raised line for dropping wind guide tank 7 from top to bottom is slowly put into installation card slot, when dismounting, by the raised line of wind guide tank 7 from
It is skidded off in installation card slot.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of PM2.5 sensors of intelligence mask, including circuit board, laser module fixing base and solid mounted on laser module
Laser module, photodiode in reservation, the laser module fixing base be equipped with detection zone, air inlet and with it is described into
Corresponding first air outlet in air port, which is characterized in that the circuit board is equipped with the pedestal with mounting hole, the pedestal top
Middle part is equipped with turbofan, and being located at the pedestal around the turbofan is equipped with a helical fan cover；The laser module is solid
Reservation is arranged in the open end of the helical fan cover, and is connected with the initiating terminal of the helical fan cover；First outlet air
It is covered with a downward opening wind guide tank outside mouthful；The laser module fixing base is close to the side of detection zone and pedestal, spiral
The end of fan guard forms the second air outlet so that the air-flow that the turbofan generates is divided into two-way, goes out all the way by second
Air port is flowed out, and another way is followed by the air inlet of laser module fixing base, detection zone, the first air outlet, wind guide tank.
2. a kind of PM2.5 sensors of intelligent mask according to claim 1, which is characterized in that the laser module
It is arranged with shielding case, lower shielding case outside fixed seat.
3. a kind of PM2.5 sensors of intelligent mask according to claim 2, which is characterized in that the lower shielding case
Wrap up a part for laser module fixing base and circuit board.
4. a kind of PM2.5 sensors of intelligent mask according to claim 1, which is characterized in that the laser module
Fixed seating is equipped with a shading cover plate in the top of detection zone.
5. a kind of PM2.5 sensors of intelligent mask according to claim 1, which is characterized in that set on the pedestal
There is cable-through hole, connect with the cable-through hole and stitched equipped with conducting wire close to the side of laser module fixing base.
6. a kind of PM2.5 sensors of intelligent mask according to claim 1, which is characterized in that the laser module
Fixed seat and the initiating terminal of helical fan cover are detachably connected.
7. a kind of PM2.5 sensors of intelligent mask according to claim 1, which is characterized in that first outlet air
Mouth periphery is equipped with installation card slot, and the wind guide tank lateral edges are equipped with and the matched raised line of the installation card slot.
8. a kind of PM2.5 sensors of intelligent mask according to claim 1, which is characterized in that in the circuit board
Equipped with wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721602549.3U CN207662764U (en) | 2017-11-27 | 2017-11-27 | The PM2.5 sensors of intelligent mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721602549.3U CN207662764U (en) | 2017-11-27 | 2017-11-27 | The PM2.5 sensors of intelligent mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207662764U true CN207662764U (en) | 2018-07-27 |
Family
ID=62946359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721602549.3U Expired - Fee Related CN207662764U (en) | 2017-11-27 | 2017-11-27 | The PM2.5 sensors of intelligent mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207662764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831100A (en) * | 2017-11-27 | 2018-03-23 | 武汉市普瑞思高科技有限公司 | The PM2.5 sensors of intelligent mouth mask |
-
2017
- 2017-11-27 CN CN201721602549.3U patent/CN207662764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831100A (en) * | 2017-11-27 | 2018-03-23 | 武汉市普瑞思高科技有限公司 | The PM2.5 sensors of intelligent mouth mask |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |