CN205808879U - Particle analyte detection device in a kind of air - Google Patents
Particle analyte detection device in a kind of air Download PDFInfo
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- CN205808879U CN205808879U CN201620712016.XU CN201620712016U CN205808879U CN 205808879 U CN205808879 U CN 205808879U CN 201620712016 U CN201620712016 U CN 201620712016U CN 205808879 U CN205808879 U CN 205808879U
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- laser
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- air flue
- circuit board
- radome
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Abstract
This utility model provides particle analyte detection device in a kind of air, and including upper radome, upper shell, circuit board assemblies, lower house and the lower radome of the most supporting installation, circuit board assemblies forms air flue with upper shell, lower house；Circuit board assemblies is assembled by upper strata laser support and lower floor's PCB, sets laser emission element, laser detection unit between laser support and PCB；The laser support back side sets laser emission element avoiding hollow groove and laser detection unit covering part；Laser detection unit covering part sets up air inlet separately；Fan is installed at the PCB back side；The outlet correspondence air flue gas outlet of fan；Setting groove at corresponding air flue air inlet on upper shell, groove is as a part for connection air flue, and the communication unit of circuit board assemblies is placed in groove.This utility model compact conformation, miniaturization, it is simple to install, it is possible to realize suspended particle size size and population measurement in air.
Description
Technical field
This utility model relates to air quality detection field, particularly relates to particle analyte detection device in a kind of air.
Background technology
Along with factor, various pollutants in airs and suspended particulate substance substantial increases such as population growth and industrialization developments,
Increase the weight of air pollution, to the life of people with healthy cause harmful effect, for particle analyte detection skill in air
The research of art is very urgent.
Along with haze sky takes place frequently, suspended particulate substance in air and harmful substance are monitored the demand of processing means also by people
Rising therewith, meanwhile, particle analyte detection device in air is being tested accuracy and the essence to detection equipment by people
The requirement of the aspects such as skilful miniaturization is more and more higher.Laser measuring technology as to one of suspended particulate substance detection means in air,
It is widely used in each field.But traditional laser measuring technology employing air pump is as suction element, can not be fine in terms of the life-span
Meet and use requirement.Replace air pump to realize gas production it addition, prior art proposes employing fan, but the design of its structure is smart not
Cause, it is impossible to meet miniaturization and application requirement is installed.
Utility model content
For problem above, the utility model proposes particle analyte detection device in a kind of air, it uses fan to make
For suction element, structure designs more compact, miniaturization, it is simple to install, it is possible to realize in air suspended particle size size and
Population measurement, thus calculate particulate matter mass concentration further.
The technical solution of the utility model is:
Particle analyte detection device in a kind of air, including the upper radome of the most supporting installation, upper shell, electricity
Road board component, lower house and lower radome, circuit board assemblies forms air flue with upper shell, lower house；
Upper radome is metal shell, for ground connection, it arranges gas outlet, air flue air inlet gentle road；
Lower radome is metal shell, for ground connection；
Circuit board assemblies is assembled with the PCB being positioned at lower floor by the laser support being positioned at upper strata, laser support
And set laser emission element, laser detection unit between PCB；Laser emission element, including light source and convex lens, is used for
Launch and focus on light beam；Laser detection unit, for light sensor, the light beam that its light sensor central point is launched with light source
Focus overlaps, for receiving, detecting the reflected signal of suspended particulate substance in air；
The laser support back side sets laser emission element avoiding hollow groove, is used for placing laser emission element；The laser support back side is also
If laser detection unit covering part, it is used for covering laser detection unit；Laser detection unit covering part is provided with air inlet,
Enter for air to be detected；
Fan is installed at the PCB back side, forms effective air-flow for air to be detected in air flue；In PCB
Corresponding fan installation site arranges fan empty avoiding district, the outlet correspondence air flue gas outlet of fan；
The position that on upper shell, fan is installed at the corresponding PCB back side is empty avoiding district, can effectively reduce this utility model
Device height；Set groove at corresponding air flue air inlet on upper shell, groove as a part for connection air flue, circuit board assemblies
Communication unit is placed in groove, for power supply and communication.
In above-mentioned detection device, the air flue that circuit board assemblies is formed with upper shell, lower house is U-shaped, air-flow side in air flue
Intersect to the beam direction launched with laser emission element.
In above-mentioned detection device, upper radome arranges draw-in groove protruding, lower radome arranges draw-in groove.
In above-mentioned detection device, the laser support back side is arranged to smooth chamfering, laser support front close to the edge of fan
Smooth arc it is arranged to protruding, it is simple to air to be measured enters air passage structure, is effectively reduced windage, guarantor at air flue air inlet
Card air quantity.
In above-mentioned detection device, laser support sets mounting post, and PCB is located at the hole slot of mounting post coupling.
In above-mentioned detection device, upper radome, lower radome, lower house short side part corresponding with circuit board assemblies
Along center with rectangular or square when or round-shaped hollow out, upper shell and the above four corresponding position reserving installation holes that hollow out, just
In supporting installation.
In above-mentioned detection device, upper shell and lower house are plastic material.
Advantage of the present utility model: compact conformation, small and exquisite, measure precisely, the suitability is strong, can detect in air outstanding in real time
The mass concentration of floating particles thing.
Accompanying drawing explanation
Fig. 1 is this utility model installation diagram；
Fig. 2 is that this utility model circuit board assemblies arranges schematic diagram；
Fig. 3 is this utility model laser support schematic diagram；
Fig. 4 is that this utility model air passage structure arranges perspective view；
Fig. 5 is this utility model air flue schematic diagram；
Fig. 6 is this utility model schematic appearance.
In figure: upper radome 1；Air flue air inlet 110；Air flue gas outlet 120；Draw-in groove projection 130；Lower radome 2；Draw-in groove
210；Upper shell 3；Empty avoiding district 310；Groove 320；Installing hole 330；Lower house 4；Circuit board assemblies 5；PCB 510；Fan
511；Fan empty avoiding district 512；Laser support 520；Laser emission element avoiding hollow groove 521；Laser detection unit covering part 522；
Air inlet 523；Smooth chamfering 524；Mounting post 525；Smooth arc projection 526.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, the technical solution of the utility model is described in further detail.
Particle analyte detection device in a kind of air, including the upper radome 1 of the most supporting installation, upper shell 3,
Circuit board assemblies 5, lower house 4 and lower radome 2, circuit board assemblies 5 and upper shell 3, lower house 4 form air flue；
Upper radome 1 is metal shell, for ground connection, it arranges gas outlet, air flue air inlet 110 gentle road 120；
Lower radome 2 is metal shell, for ground connection；
Circuit board assemblies 5 is assembled with the PCB 510 being positioned at lower floor by the laser support 520 being positioned at upper strata, swashs
Laser emission element, laser detection unit is set between light support 520 and PCB 510；Laser emission element, including light source
And convex lens, it is used for launching and focusing on light beam；Laser detection unit, for light sensor, its light sensor central point and light
The focus of the light beam that source is launched overlaps, for receiving, detecting the reflected signal of suspended particulate substance in air；
Laser support 520 back side sets laser emission element avoiding hollow groove 521, is used for placing laser emission element；Laser support
520 back sides also set laser detection unit covering part 522, are used for covering laser detection unit；Laser detection unit covering part
522 are provided with air inlet 523, enter for air to be detected；
Fan 511 is installed at PCB 510 back side, forms effective air-flow for air to be detected in air flue；PCB electricity
On road plate 510, corresponding fan 511 installation site arranges fan empty avoiding district 512, the outlet correspondence air flue gas outlet 120 of fan 511；
The position that on upper shell 3, fan 511 is installed at corresponding PCB 510 back side is that empty avoiding district 310 can effectively reduce this
Utility model device height；Setting groove 320 at corresponding air flue air inlet 110 on upper shell 3, groove 320 is as connection air flue
A part, the communication unit of circuit board assemblies 5 is placed in groove 320, for power supply and communication.
In above-mentioned detection device, the air flue that circuit board assemblies 5 is formed with upper shell 3, lower house 4 is U-shaped, air-flow in air flue
The beam direction that direction is launched with laser emission element intersects；As preferably, in air flue, airflow direction is sent out with laser emission element
The beam direction penetrated intersects vertically.
In above-mentioned detection device, upper radome 1 arranges draw-in groove projection 130, lower radome 2 arranges draw-in groove 210.
In above-mentioned detection device, laser support 520 back side is arranged to smooth chamfering 524, laser close to the edge of fan 511
Support 520 front is arranged to smooth arc projection 526 at air flue air inlet 110, it is simple to air to be measured enters air passage structure,
It is effectively reduced windage, ensures air quantity.
In above-mentioned detection device, laser support 520 sets mounting post 525, and PCB 510 is located at mounting post 525 coupling
Hole slot.
In above-mentioned detection device, upper radome 1, lower radome 2, lower house 4 minor face corresponding with circuit board assemblies 5 four
Part is along center with rectangular or square when or round-shaped hollow out, and upper shell 3 corresponding hollows out the reserved installation in positions with above four
Hole 330, it is simple to supporting installation.
In above-mentioned detection device, upper shell 3 and lower house 4 are plastic material.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (7)
1. particle analyte detection device in an air, it is characterised in that: include the upper radome of the most supporting installation
(1), upper shell (3), circuit board assemblies (5), lower house (4) and lower radome (2), circuit board assemblies (5) and upper shell
(3), lower house (4) forms air flue；
Upper radome (1) is metal shell, for ground connection, it arranges gas outlet, air flue air inlet (110) gentle road (120)；
Lower radome (2) is metal shell, for ground connection；
Circuit board assemblies (5) by being positioned at the laser support (520) on upper strata and being positioned at the PCB (510) of lower floor and assemble,
Laser emission element, laser detection unit is set between laser support (520) and PCB (510)；Laser emission element, bag
Include light source and convex lens, be used for launching and focusing on light beam；Laser detection unit, for light sensor, its light sensor center
Point overlaps with the focus of the light beam that light source is launched, for receiving, detecting the reflected signal of suspended particulate substance in air；
Laser support (520) back side sets laser emission element avoiding hollow groove (521), is used for placing laser emission element；Laser support
(520) back side also sets laser detection unit covering part (522), is used for covering laser detection unit；Laser detection unit covers
Partly (522) are provided with air inlet (523), enter for air to be detected；
Fan (511) is installed at PCB (510) back side, forms effective air-flow for air to be detected in air flue；PCB electricity
Upper corresponding fan (511) installation site of road plate (510) arranges fan empty avoiding district (512), and the outlet correspondence air flue of fan (511) goes out
QI KOU (120)；
The position that fan (511) is installed at upper corresponding PCB (510) back side of upper shell (3) is empty avoiding district (310)；Upper shell
(3) upper corresponding air flue air inlet (110) place sets groove (320), and groove (320) is as a part for connection air flue, circuit board group
The communication unit of part (5) is placed in groove 320, for power supply and communication.
Detection device the most according to claim 1, it is characterised in that: circuit board assemblies (5) and upper shell (3), lower house
(4) air flue formed is U-shaped, and the beam direction that in air flue, airflow direction is launched with laser emission element intersects.
Detection device the most according to claim 1, it is characterised in that: on upper radome (1), draw-in groove is set protruding (130),
Draw-in groove (210) is set on lower radome 2.
Detection device the most according to claim 1, it is characterised in that: laser support (520) back side is close to fan (511)
Edge is arranged to smooth chamfering (524), and laser support (520) front is arranged to smooth arc close to air flue air inlet (110) place
Protruding (526).
Detection device the most according to claim 1, it is characterised in that: laser support (520) sets mounting post (525), PCB electricity
The hole slot that mounting post (525) is mated is located at by road plate (510).
Detection device the most according to claim 1, it is characterised in that: upper radome (1), lower radome (2), lower house
(4) with the corresponding short side part of circuit board assemblies (5) four along center with rectangular or square when or round-shaped hollow out, upper shell
(3) corresponding position reserving installation hole (330) is hollowed out with above four, it is simple to supporting installation.
Detection device the most according to claim 1, it is characterised in that: upper shell (3) and lower house (4) they are plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712016.XU CN205808879U (en) | 2016-07-07 | 2016-07-07 | Particle analyte detection device in a kind of air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712016.XU CN205808879U (en) | 2016-07-07 | 2016-07-07 | Particle analyte detection device in a kind of air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205808879U true CN205808879U (en) | 2016-12-14 |
Family
ID=58140168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620712016.XU Active CN205808879U (en) | 2016-07-07 | 2016-07-07 | Particle analyte detection device in a kind of air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205808879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289980A (en) * | 2017-07-03 | 2017-10-24 | 博耐尔汽车电气系统有限公司 | A kind of housing for being used to encapsulate laser PM2.5 sensors |
| CN108036481A (en) * | 2017-12-08 | 2018-05-15 | 武汉四方光电科技有限公司 | A kind of air quality detecting device and the vehicles |
-
2016
- 2016-07-07 CN CN201620712016.XU patent/CN205808879U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289980A (en) * | 2017-07-03 | 2017-10-24 | 博耐尔汽车电气系统有限公司 | A kind of housing for being used to encapsulate laser PM2.5 sensors |
| CN108036481A (en) * | 2017-12-08 | 2018-05-15 | 武汉四方光电科技有限公司 | A kind of air quality detecting device and the vehicles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430205, No. three, No. 3, Fenghuang garden, Phoenix Industrial Park, East Lake New Technology Development Zone, Hubei, Wuhan Patentee after: Sifang Optoelectronic Co., Ltd. Address before: 430205, No. three, No. 3, Fenghuang garden, Phoenix Industrial Park, East Lake New Technology Development Zone, Hubei, Wuhan Patentee before: Wuhan Cubic Optoelectronics Co., Ltd. |