CN107036949A - Dust concentration detection means and provided with dust concentration detection means air cleaning facility - Google Patents
Dust concentration detection means and provided with dust concentration detection means air cleaning facility Download PDFInfo
- Publication number
- CN107036949A CN107036949A CN201710358819.9A CN201710358819A CN107036949A CN 107036949 A CN107036949 A CN 107036949A CN 201710358819 A CN201710358819 A CN 201710358819A CN 107036949 A CN107036949 A CN 107036949A
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- Prior art keywords
- air
- detection means
- concentration detection
- dust concentration
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 111
- 238000001514 detection method Methods 0.000 title claims abstract description 74
- 238000004140 cleaning Methods 0.000 title claims abstract description 16
- 230000000712 assembly Effects 0.000 claims abstract description 41
- 238000000429 assembly Methods 0.000 claims abstract description 41
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 40
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 19
- 238000004891 communication Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
- G01N15/0625—Optical scan of the deposits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
Abstract
The present invention provides a kind of dust concentration detection means and air cleaning facility, belong to Detection of Air Quality field, the dust concentration detection means is by the way that the circuit board assemblies of dust concentration detection means are arranged on the outside of the first air communication channel, the tested air-flow of convection current oversampling circuit plate is filtered, and the Laser emission component and laser detection component on circuit board assemblies are contacted by being arranged at the eyelet of the first air communication channel outer wall with tested air-flow；The circuit board assemblies solved in dust concentration detection means are chronically exposed in tested air-flow, the electronic component in circuit board assemblies is easily set to be radiated by dust covering influence electronic component, so as to influence the accuracy of dust testing result and shorten the life-span technical problem of dust investigating；Having reached ensures that the air draught for flowing through circuit board assemblies is the pure and fresh air-flow by filtering, reduces the dust covering of electronic component, improves the accuracy and the technique effect in extension dust investigating life-span of dust testing result.
Description
Technical field
The invention belongs to Detection of Air Quality field, more particularly to dust concentration detection means and air cleaning facility.
Background technology
Laser dust concentration detector is suspended particulate in air to be counted using MIE scattering theories or quality
The device of measurement of concetration.Dust concentration detection means generally include one for airflow fluid flow passageway, one be used for
The Laser emission component for producing laser and a laser detection component for being used to sense scattered light.Air-flow to be measured in fluid stream all
Flowed in road, scattered light, laser inspection are produced by laser irradiation when the dust in tested air-flow is flowed through above laser detection component
Survey component and receive scattered light, the Concentration Testing situation of dust in tested air-flow is obtained by the analysis to scattered light.
The circuit board assemblies in dust concentration detection means generally comprise Laser emission component, laser detection in the prior art
Component and other circuits, people will would generally be included including Laser emission component, laser detection component and other circuits
Whole circuit board component is all in tested air-flow.
Because the circuit board assemblies in dust concentration detection means are chronically exposed in tested air-flow, easily make circuit board group
Electronic component in part is covered by dust so as to influence radiating for electronic component, and then influences dust testing result
The life-span of accuracy and dust investigating.
The content of the invention
It is chronically exposed to solve the circuit board assemblies in dust concentration detection means in tested air-flow, easily makes detection
Electronic component in unit is polluted by tested air-flow, so as to influence the accuracy and dust investigating of dust testing result
Life-span technical problem, the present invention provides a kind of dust concentration detection means and air cleaning facility.Technical scheme is as follows：
There is provided a kind of dust concentration detection means, the dust concentration detection for first aspect according to embodiments of the present invention
Device includes：
One housing, the housing has opened up one first opening and one first air inlet, is provided with the housing and described the
The first fluid circulation passage of one air inlet connection, the side wall of the first fluid circulation passage has opened up the first eyelet and second
Eyelet；
One is installed on the circuit board assemblies in the housing, and the circuit board assemblies include a Laser emission component and one and swashed
Photodetection assembly, the Laser emission component aligns with first eyelet and by first eyelet to the first fluid
Launch laser in circulation passage, the laser detection component aligns with second eyelet and received from first fluid circulation
The light scattered in passage；And one be installed at first opening and be used for filtering pollutant in tested air-flow and protection circuit
The filter element of board component.
As an alternative embodiment, also including an air extractor, the housing is provided with an air outlet, the pumping
Device is provided with an air intake surface and an outlet air surface, and the air intake surface connects with the first fluid circulation passage, the outlet air surface and
The air outlet connection.
As an alternative embodiment, first eyelet and the second eyelet are opened in the first fluid stream all
On the adjacent two side in road.
As an alternative embodiment, the side wall relative with setting the side wall of first eyelet is provided with light leak
Hole, the leaky hole aligns with first eyelet, and one is arranged on delustring area and leaky hole on the outside of first fluid circulation passage
Alignment, the delustring area receives Laser emission component and sends and pass through the laser of first fluid circulation passage.
As an alternative embodiment, the delustring area is provided with a road for launching laser with the Laser emission component
Footpath vertically enter smooth surface, with reflecting surface that the laser path intersects and the delustring face parallel with the laser path, these three
Face constitutes an isosceles right triangle, and the delustring face is used for offsetting the light into the delustring area provided with least one
It is raised.
As an alternative embodiment, path and the first fluid stream of the Laser emission component transmitting laser
The flow direction of tested air-flow intersects in circulation passage.
As an alternative embodiment, the filter element is removably installed in first opening.
As an alternative embodiment, the filter element includes a framework and the filter in the framework
Net, the framework is fixed on the edge of first opening.
As an alternative embodiment, the opposite sides of the framework is respectively provided with a buckle, the housing
There is provided neck corresponding with the buckle.
As an alternative embodiment, the filter screen is grid.
Technical scheme provided in an embodiment of the present invention includes following advantageous effects：
By providing a kind of dust concentration detection means, the dust concentration detection means is filled by the way that dust concentration is detected
The circuit board assemblies put are arranged on the outside of the first air communication channel, and the tested air-flow of convection current oversampling circuit plate is filtered, circuit
Laser emission component and laser detection component on board component are by being arranged at the eyelet and quilt of the first air communication channel outer wall
Survey air flow contacts；The circuit board assemblies solved in dust concentration detection means are chronically exposed in tested air-flow, easily make electricity
Electronic component in the board component of road is radiated by dust covering influence electronic component, so as to influence dust testing result
Accuracy and the life-span technical problem for shortening dust investigating；Having reached ensures that the air draught for flowing through circuit board assemblies is warp
The pure and fresh air-flow of filtering, reduces the dust covering of electronic component, improves the accuracy and extension dust of dust testing result
The technique effect in detection means life-span.
Second aspect according to embodiments of the present invention includes there is provided a kind of air cleaning facility, the air cleaning facility
Any powder described in dust concentration detection means that first aspect and its optional embodiment such as the embodiment of the present invention are provided
Dust concentration detection means.
Technical scheme provided in an embodiment of the present invention includes following advantageous effects：
By providing a kind of air cleaning facility, the air cleaning facility includes a kind of dust concentration detection means, institute
Dust concentration detection means is stated by the way that the circuit board assemblies of dust concentration detection means are arranged at outside the first air communication channel
Side, the tested air-flow of convection current oversampling circuit plate is filtered, and the Laser emission component and laser detection component on circuit board assemblies lead to
Cross and be arranged at the eyelet of the first air communication channel outer wall and contacted with tested air-flow；Solve the electricity in dust concentration detection means
Road board component is chronically exposed in tested air-flow, easily makes the electronic component in circuit board assemblies by dust covering influence electricity
The radiating of sub- component, so as to influence the accuracy of dust testing result and shorten the life-span technical problem of dust investigating；
Having reached ensures that the air draught for flowing through circuit board assemblies is the pure and fresh air-flow by filtering, and the dust for reducing electronic component covers
Lid, improves the accuracy and the technique effect in extension dust investigating life-span of dust testing result.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
It is open.
Brief description of the drawings
Fig. 1 is the top view of the housing of the dust investigating shown in one embodiment of the invention.
Fig. 2 is the three-dimensional exploded view of dust investigating provided in an embodiment of the present invention.
Fig. 3 is the part assembly drawing of the dust investigating shown in the embodiment of the present invention.
Fig. 4 is the housing of the dust investigating shown in the embodiment of the present invention and the assembling schematic diagram of circuit board assemblies.
Fig. 5 is the incident schematic diagram of top view and light in the delustring area of dust investigating provided in an embodiment of the present invention.
Fig. 6 is the top view of the housing of the dust investigating shown in another embodiment of the present invention.
Embodiment
Technical scheme is described in further detail below by embodiment, and with reference to accompanying drawing.
The first fluid circulation passage 102 first of housing 10 opening 103
The air outlet 104 of 11 first air inlet of circuit board assemblies 101
The laser detection component 107 of 105 first eyelet of Laser emission component 106
First air communication channel rear wall 102a the first air communication channel upper walls 102b
The filter element 109 of first the second eyelets of air communication channel antetheca 102c 108
The delustring area 112 of 13 the 3rd eyelet of first chamber 110 of air extractor 111
Enter smooth surface 112a delustring faces 112b reflecting surface 112c leaky holes 113
Raised 114 buckle 103a neck 103b screws 115
Air extractor air intake surface 13a air extractor outlet air surfaces 13b
Embodiment one：
The technical scheme of the present embodiment is illustrated in conjunction with Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of dust concentration inspection
Surveying device includes a housing 10, and the housing 10 has been opened up to be set in one first opening 103 and one first air inlet 101, the housing 10
There is the first fluid circulation passage 102 connected with first air inlet 101, the side wall of the first fluid circulation passage 102 is opened up
First eyelet 106 and the second eyelet 108.
The dust concentration detection means also includes the circuit board assemblies 11 being installed in the housing 10, the circuit board assemblies
11 include 106 pairs of a Laser emission component 105 and a laser detection component 107, the Laser emission component 105 and first eyelet
Laser is launched into the first fluid circulation passage 102 by first eyelet 106 together, the laser detection component 107 is with being somebody's turn to do
Second eyelet 108 aligns and received the light scattered from the first fluid circulation passage 102.One filter element 109 is installed
It is used for filtering pollutant in tested air-flow and protection circuit board component 11 at first opening 103.
The circuit board assemblies 11 are located at the outside of the first fluid circulation passage 102, the laser hair of the circuit board assemblies 11
Component 105 is penetrated by first eyelet 106 to the internal emission laser of first fluid circulation passage 102, laser be radiated at this
In the tested air-flow circulated in one fluid flow passageway 102, produce scattered light, scattered light by second eyelet 108 receive from
The light scattered in the first fluid circulation passage 102, and the optical signal received is changed into electric signal.Realize dust
Function is detected, simultaneously because the setting of filter element 109, the air for flowing through circuit board assemblies 11 is the relative clean by filtering
Air, it is to avoid the dust covering on circuit board assemblies 11.
Further, dust concentration detection means also includes an air extractor 13, and the housing 10 is provided with an air outlet 104,
The air extractor 13 connects provided with an air intake surface 13a and an outlet air surface 13b, air intake surface 13a with the first fluid circulation passage 102
Logical, outlet air surface 13b is connected with the air outlet 104.
The air extractor 13 can be fan or air pump.Air extractor 13 is used to ensure tested air-flow along fixed direction stream
It is logical.
Further, the eyelet 108 of the first eyelet 106 and second is opened in the adjacent of the first fluid circulation passage 102
Two side on.
The two side walls keep vertical, so that laser detection component 107 can receive the Laser emission component 105 and launch
Laser be radiated at the scattering light produced on the dust in detected fluid.
Further, the side wall relative with setting the side wall of first eyelet 106 is provided with leaky hole 113, the leaky hole
113 align with first eyelet 106, and one is arranged on the delustring area 112 in the outside of first fluid circulation passage 102 and leaky hole 113
Alignment, the delustring area 112 receives Laser emission component and sends and pass through the laser of first fluid circulation passage.
Further, entering light of the delustring area 112 provided with a path orthogonal for launching laser with the Laser emission component 105
Face 112a, the reflecting surface 112c intersected with the laser path and the delustring face 112b parallel with the laser path, these three face groups
Into an isosceles right triangle, delustring face 112b is used for offsetting the light into the delustring area 112 provided with least one
Projection 114.
The projection 114 is to enter the isosceles triangle centrum that smooth surface 102b is kept for 45 ° with this.As described in Figure 6, delustring area 112
For reduce Laser emission component 105 transmitting laser be radiated on first fluid circulation passage 102 it is relative with the first eyelet 106
Side wall on the influence that is caused to testing result of the reflected light that produces, when the laser that Laser emission component 105 is launched passes through light leak
Hole 113 can be radiated on the reflecting surface 112c of delustring area 112 when projecting and produce reflection, if a part of reflected light passes through leaky hole
113 are again introduced into the dust generation scattering in detected fluid in first fluid circulation passage 102, and the scattered light is again by laser
Detection components 107, which are sensed, can influence the accuracy of testing result, therefore set at least one raised on the 102b of delustring face
114, projection 114 is preferably isosceles right triangle, is easy to that the reflected light produced on the reflecting surface 112c of delustring area 112 will be radiated at
Secondary reflection again is carried out, reflected light can largely be balanced out by multiple reflections, and is again introduced into by leaky hole 113
Reflected light in first air communication channel 102 is seldom, therefore can reduce interference of the optical noise to testing result, is improved
The accuracy of testing result.
Further, the path of the Laser emission component 105 transmitting laser in the first fluid circulation passage 102 with being tested
The flow direction of air-flow intersects.
Preferably, the path of the Laser emission component 105 transmitting laser is with being tested gas in the first fluid circulation passage 102
The flow direction of body is vertical.Only launch path and first fluid stream of laser in the present embodiment with the Laser emission component 105
The flow direction of tested air-flow is vertically illustrated in circulation passage 102.
Further, the filter element 109 is removably installed in first opening 103.
By setting detachable connection mode to be easy to change filter element 109 in time, without changing whole dust inspection
Device is surveyed, raising filter effect has been reached, extends the effect in dust investigating life-span.
Further, the filter element 109 includes a framework 109a and filter screen 109b in framework 109a, should
Framework 109a is fixed on the edge of first opening 103.
Further, framework 109a opposite sides is respectively provided with a buckle 103a, on the housing 10 be provided with
The corresponding neck 103b of buckle 103a.
The number of buckle and neck is unrestricted, is illustrated in the present embodiment with setting two pairs in relative position.
Further, filter screen 109b is grid.
Filter element 109 can also be screen type filter, rashig formula filter or paper filter.Filter
Shape can be it is netted can also be only to be illustrated with the grid that is shaped as of filter in grid window, the present embodiment
Explanation.
Further, the dust concentration detection means also includes being arranged in first opening 103 and is used to house the laser
Threeth eyelet relative with first eyelet 106 is provided with the first chamber 110 of emitting module 105, the first chamber 110
111。
First eyelet 106 and the 3rd eyelet 111 is relative is able to ensure that Laser emission that Laser emission component 105 launches to the
In one air communication channel 102.
The setting of the first chamber 110 is for fixation and protects the Laser emission component 105, but is not necessity portion
Point, while setting some for the ease of processing and saving on the outside of the first air communication channel 102 that cost can be in housing 10
Individual chamber.
The Laser emission component 105 is produced including the LASER Discharge Tube for producing laser, edge by the LASER Discharge Tube
Laser optical path the direction plus lens and diaphragm that set gradually.
Relevant position on housing 10 and circuit board 11 is provided with the mounting hole that size and shape are mutually matched, mutually it
Between be installed together by fastening screw.
In summary, the present embodiment is by providing a kind of dust concentration detection means, and the dust concentration detection means passes through
The circuit board assemblies of dust concentration detection means are arranged on the outside of the first air communication channel, the tested gas of convection current oversampling circuit plate
Stream is filtered, and the Laser emission component and laser detection component on circuit board assemblies are by being arranged at the first air communication channel
The eyelet of outer wall is contacted with tested air-flow；Solve the circuit board assemblies in dust concentration detection means and be chronically exposed to tested gas
In stream, the electronic component in circuit board assemblies is easily set to be radiated by dust covering influence electronic component, so as to influence
The accuracy of dust testing result and the life-span technical problem for shortening dust investigating；Having reached ensures to flow through circuit board assemblies
Air draught be by filtering pure and fresh air-flow, reduce electronic component dust covering, improve dust testing result standard
True property and the technique effect in extension dust investigating life-span.
Embodiment two：
The technical scheme of another embodiment of the present invention is illustrated in conjunction with Fig. 6, with the embodiment described in Fig. 1
1 difference is, not including in the first opening 103 of the dust investigating is used to housing the of the Laser emission component 105
One chamber 110, the circuit board assemblies 11 comprising the Laser emission component 105 are with the housing 10 by being arranged at the housing 10 and being somebody's turn to do
Screw 115 and the screw of hull outside on circuit board assemblies 11 are fixed.
In summary, the present embodiment is by providing a kind of dust concentration detection means, and the dust concentration detection means passes through
The circuit board assemblies of dust concentration detection means are arranged on the outside of the first air communication channel, the tested gas of convection current oversampling circuit plate
Stream is filtered, and Laser emission component and laser detection component are by being arranged at the eyelet and quilt of the first air communication channel outer wall
Survey air flow contacts；The circuit board assemblies solved in dust concentration detection means are chronically exposed in tested air-flow, easily make electricity
Electronic component in the board component of road is radiated by dust covering influence electronic component, so as to influence dust testing result
Accuracy and the life-span technical problem for shortening dust investigating；Having reached ensures that the air draught for flowing through circuit board assemblies is warp
The pure and fresh air-flow of filtering, reduces the dust covering of electronic component, improves the accuracy and extension dust of dust testing result
The technique effect in detection means life-span.
Embodiment three：
The embodiment of the present invention also provides a kind of air cleaning facility, and wherein air cleaning facility includes but is not limited to air-conditioning,
Air purifier, smoke extractor, cleaner.The air cleaning facility includes such as embodiment one and its optional embodiment and implementation
Any dust concentration detection means in example two.
In summary, the present embodiment is by providing a kind of air cleaning facility, and the air cleaning facility includes dust concentration
Detection means, the present embodiment is by providing a kind of dust concentration detection means, and the dust concentration detection means passes through dust is dense
The circuit board assemblies of degree detection means are arranged on the outside of the first air communication channel, and the tested air-flow of convection current oversampling circuit plate was carried out
Filter, Laser emission component and laser detection component are connect by being arranged at the eyelet of the first air communication channel outer wall with tested air-flow
Touch；The circuit board assemblies solved in dust concentration detection means are chronically exposed in tested air-flow, easily make circuit board assemblies
In electronic component by dust covering influence electronic component radiated so that influence dust testing result accuracy and
Shorten the life-span technical problem of dust investigating；Having reached ensures that the air draught for flowing through circuit board assemblies is by filtering
Pure and fresh air-flow, reduces the dust covering of electronic component, improves the accuracy and extension dust investigating of dust testing result
The technique effect in life-span.
Specific embodiment described in the present invention is only to spirit explanation for example of the invention.Technology belonging to of the invention
The technical staff in field can make various modifications or supplement to described specific embodiment or use similar mode
Substitute, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (11)
1. a kind of dust concentration detection means, it is characterised in that:Including：
One housing, the housing has been opened up to be provided with to enter with described first in one first opening and one first air inlet, the housing
The first fluid circulation passage of gas port connection, the side wall of the first fluid circulation passage has opened up the first eyelet and the second hole
Eye；
One is installed on the circuit board assemblies in the housing, and the circuit board assemblies include a Laser emission component and a laser is examined
Component is surveyed, the Laser emission component aligns with first eyelet and circulated by first eyelet to the first fluid
Launch laser in passage, the laser detection component aligns with second eyelet and received from the first fluid circulation passage
In the light that scatters；And one be installed at first opening and be used for filtering pollutant in tested air-flow and protection circuit plate group
The filter element of part.
2. dust concentration detection means as claimed in claim 1, it is characterised in that：Also include an air extractor, the housing
Provided with an air outlet, the air extractor is provided with an air intake surface and an outlet air surface, and the air intake surface circulates with the first fluid
Passage is connected, and the outlet air surface is connected with the air outlet.
3. dust concentration detection means as claimed in claim 1, it is characterised in that：First eyelet and the second eyelet are opened up
On the adjacent two side of the first fluid circulation passage.
4. dust concentration detection means as claimed in claim 3, it is characterised in that：Side wall phase with setting first eyelet
To side wall be provided with leaky hole, the leaky hole aligns with first eyelet, and one is arranged on outside first fluid circulation passage
The delustring area of side aligns with leaky hole, and the delustring area receives Laser emission component and sends and pass through first fluid circulation passage
Laser.
5. dust concentration detection means as claimed in claim 4, it is characterised in that：The delustring area is provided with one and the laser
Emitting module transmitting laser path orthogonal enter smooth surface, the reflecting surface intersected with the laser path and with the laser path
Parallel delustring face, these three faces constitute an isosceles right triangle, and the delustring face is used for offsetting entrance provided with least one
The projection of light in the delustring area.
6. dust concentration detection means as claimed in claim 5, it is characterised in that：The Laser emission component transmitting laser
Path and the flow direction of tested air-flow in the first fluid circulation passage intersect.
7. dust concentration detection means as claimed in claim 1, it is characterised in that：The filter element is removably installed in
In first opening.
8. dust concentration detection means as claimed in claim 7, it is characterised in that：The filter element includes a framework and peace
Filter screen in the framework, the framework is fixed on the edge of first opening.
9. dust concentration detection means as claimed in claim 8, it is characterised in that：The opposite sides of the framework is set respectively
Corresponding with buckle neck is provided with one buckle, the housing.
10. device as claimed in claim 8, it is characterised in that the filter screen is grid.
11. a kind of air cleaning facility, it is characterised in that：The air cleaning facility is included such as claim 1 to claim
Dust concentration detection means in 10 described in any claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358819.9A CN107036949B (en) | 2017-05-19 | Dust concentration detection device and air purification equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358819.9A CN107036949B (en) | 2017-05-19 | Dust concentration detection device and air purification equipment with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107036949A true CN107036949A (en) | 2017-08-11 |
| CN107036949B CN107036949B (en) | 2024-04-26 |
Family
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314961A (en) * | 2017-08-17 | 2017-11-03 | 广州市汇鑫电子科技有限公司 | A kind of bare headed dust detection method of bidifly and sensor |
| 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 |
| CN108562524A (en) * | 2018-06-13 | 2018-09-21 | 北京博锐尚格节能技术股份有限公司 | Laser light scattering particle analyte detection device |
| CN110780031A (en) * | 2018-07-31 | 2020-02-11 | 常州承信投资合伙企业(有限合伙) | Air quality detection device for vehicle and application thereof |
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