CN205898624U - Dust sensor - Google Patents
Dust sensor Download PDFInfo
- Publication number
- CN205898624U CN205898624U CN201620863359.6U CN201620863359U CN205898624U CN 205898624 U CN205898624 U CN 205898624U CN 201620863359 U CN201620863359 U CN 201620863359U CN 205898624 U CN205898624 U CN 205898624U
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- CN
- China
- Prior art keywords
- dust
- box body
- fixed mount
- circuit board
- dust sensor
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Abstract
The utility model discloses a dust sensor, including the box body with install the dust detection unit in the box body, the sensor still includes the mount, and the dust detection unit sets up on the mount, is equipped with the detection zone that is used for detecting dust concentration on the mount, the dust detection unit includes light emitter and photoelectric receiver, and light emitter and photoelectric receiver adopt the integral type structure, being equipped with inlet port and exhaust hole on the box body, being equipped with the air discharge fan in the position that the inner chamber of box body and exhaust pore pair were answered, mount setting one side adjacent with the inlet port in the box body is equipped with the circuit board that is used for inputing power and output dust concentration signal, circuit board and dust detection unit connection between mount and the air discharge fan. The utility model discloses a dust sensor, its is rational in infrastructure, and each component arrangement is compact to realize its miniaturized design, be applicable to the littleer dust detection appearance of volume, conveniently lay and carry.
Description
Technical field
This utility model is related to dust concentration detection field, more particularly, to a kind of dust sensor.
Background technology
At present, the detection to dust in air concentration is realized by dust detector, and dust sensor is dust
Critical piece in detector.However, the inner body arrangement of current dust sensor is not reasonable, lead to its volume relatively
Big or even so that the volume of dust detector is increased therewith so as to limited by the position placed in dust detector, make production cost
It is difficult to decline；The capacity of resisting disturbance of dust sensor is weak, leads to it easily to be affected by external magnetic field in the course of the work, from
And reduce the accuracy of its detection data.
Utility model content
The purpose of this utility model is to provide a kind of dust sensor, and it is rational in infrastructure, and each arrangement of parts is compact, thus real
Its Miniaturization Design existing is it is adaptable in the less dust detector of volume, conveniently laying and carry.
For achieving the above object, this utility model provide a kind of dust sensor, include box body be arranged on described box body
Interior dust detector unit；Described sensor also includes fixed mount, and described dust detector unit is arranged on described fixed mount, Gu
Determine frame and be provided with the detection zone for detecting dust concentration；Dust detector unit includes light emitters and photelectric receiver, institute
State light emitters and adopt integral structure with photelectric receiver；Box body is provided with air inlet and steam vent, in the inner chamber of box body
Position corresponding with described steam vent is provided with exhaust fan, adjacent with the air inlet side in box body of fixed mount setting, fixed mount
It is provided with the circuit board for input power and output dust concentration signal and exhaust fan between, described circuit board is single with dust detection
Unit connects.This dust sensor is rational in infrastructure, and each arrangement of parts is compact, and exhaust fan may be installed in box body, thus realizing dust
The Miniaturization Design of sensor, such that it is able to make it be arranged in the less dust detector of volume, facilitates dust detector
Lay and carry.
As further improvement of the utility model, described dust detector unit is for detecting pm1.0-pm10 particulate matter
Detector unit, described light emitters are generating laser.
Further improve as of the present utility model, the inside and outside wall of described box body has been coated with electrodeposited coating.Electrodeposited coating energy
Enough play shielding action, process is simple, low manufacture cost, it can strengthen the capacity of resisting disturbance of dust detector unit and circuit board,
Dust sensor is made to be not readily susceptible to the impact of external magnetic field in the course of the work, thus improving the accuracy of its detection data.
Further improve as of the present utility model, described detection zone is the groove on described fixed mount, described
Groove is that detection zone is for making along the structure with the direction lateral direction penetrating of the laser vertical of described light emitters on fixed mount
State the structure that air inlet connects with steam vent.Detection zone is connected with air inlet and steam vent, and ambient atmos are in the effect of exhaust fan
Under enter in the detection zone of dust sensor from air inlet, and by the dust concentration in dust detector unit detected gas.
Further improve as of the present utility model, the sectional dimension of described box body inner chamber and the profile of described circuit board
Size is adapted, and circuit board is provided with the hollow-out parts that described air inlet can be made to connect with steam vent.This arrangement is more compact,
The miniaturization of box body is realized on the premise of not affecting gas circulation in box body.
Further improve as of the present utility model, inside described box body, be provided with fixed mount mounting groove, described fixed mount
It is inlaid on described fixed mount mounting groove, its structure is simple, facilitates the assembly and disassembly between fixed mount and box body.
Further improve as of the present utility model, the part that described steam vent is contacted with described exhaust fan is provided with rank
Ladder-shaper structure, described step structure is to be adapted with the profile of described exhaust fan, be used for limiting exhaust fan along along described box body
Side wall movement structure；Exhaust fan is provided with for making it leave the limited block of a fixed gap and circuit board between, can prevent
Between exhaust fan and circuit board because space not leads to gas circulation smooth it is ensured that dust sensor can normal work, rank
Ladder-shaper structure cooperation limited block can fix position in box body for the exhaust fan.
Further improve as of the present utility model, described circuit board is provided with dense for input power and output dust
The interface of degree signal, described box body is provided with the through hole being adapted with described interface, facilitates external power cord data line to connect
To interface.
Further improve as of the present utility model, described box body includes the first housing mutually fastening and being fixedly connected
With the second housing, on described first housing, described steam vent is located on described second housing described air inlet.
Beneficial effect
Compared with prior art, dust sensor of the present utility model has the advantage that, it is rational in infrastructure, each arrangement of parts
Compact, exhaust fan may be installed in box body, thus realizing the Miniaturization Design of dust sensor such that it is able to make it be arranged on body
In long-pending less dust detector, facilitate laying and carrying of dust detector；Electrodeposited coating can play shielding action, technique letter
Single, low manufacture cost, it can strengthen the capacity of resisting disturbance of dust detector unit and circuit board, makes dust sensor in work process
In be not readily susceptible to the impact of external magnetic field, thus improving the accuracy of its detection data.
By description below and combine accompanying drawing, this utility model will become more fully apparent, and these accompanying drawings are used for explaining this
The embodiment of utility model.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of surface structure schematic diagram of dust sensor of the present utility model；
Fig. 2 is a kind of explosive view of dust sensor of the present utility model；
Fig. 3 is a kind of top view of dust sensor of the present utility model；
Fig. 4 is for a in Fig. 3 to sectional view；
Fig. 5 is a kind of upward view of dust sensor of the present utility model；
Fig. 6 is the internal structure schematic diagram of the second housing；
Fig. 7 is the overlooking structure figure between dust detector unit and fixed mount；
Fig. 8 is to face structure chart between dust detector unit and fixed mount；
Fig. 9 is the top view of circuit board.
In figure, 1, dust detector unit；2nd, box body；21st, the first housing；211st, air inlet；212nd, through hole；213rd, fixed mount
Mounting groove；22nd, the second housing；221st, steam vent；222nd, step structure；3rd, exhaust fan；31st, limited block；4th, circuit board；41、
Interface；42nd, hollow-out parts；5th, fixed mount；51st, detection zone.
Specific embodiment
With reference now to Description of Drawings embodiment of the present utility model,.
Embodiment 1
As depicted in figs. 1 and 2, a kind of dust sensor, including box body 2 and installation for specific embodiment of the present utility model
Dust detector unit 1 in box body 2.This dust sensor also includes fixed mount 5.Fixed mount 5 is rectangular structure.As Fig. 7
With shown in Fig. 8, dust detector unit 1 is fixed on the inside in 5 one sections of fixed mount；Another section of fixed mount 5 is single with dust detection
First 1 corresponding part is provided with the detection zone 51 for detecting dust concentration.
Dust detector unit 1 includes light emitters and photelectric receiver, and light emitters and photelectric receiver adopt one
Body formula structure.Box body 2 includes the first housing 21 mutually fastening and being fixedly connected and the second housing 22.The top surface of the first housing 21
Middle part is provided with seven air inlets 211, and six of which air inlet 211 is distributed on the surrounding of last air inlet 211.Second housing
It is provided with steam vent 221 in the middle part of 22 bottom surface.It is provided with exhaust fan 3 in the inner side of the second housing 22 position corresponding with steam vent 221,
The profile of steam vent 221 is adapted with exhaust fan 3, as shown in Figure 5.Fixed mount 5 be arranged on the first housing 21 middle inside and with
Air inlet 211 is adjacent, is provided with the circuit board for input power and output dust concentration signal between fixed mount 5 and exhaust fan 3
4, wherein circuit board 4 and fixed mount 5 relies closely, as shown in Figure 4.Circuit board 4 is connected with dust detector unit 1.
This dust sensor is rational in infrastructure, and each arrangement of parts is compact, and exhaust fan 3 may be installed in box body 2, thus realizing powder
The Miniaturization Design of dust sensor, such that it is able to make it be arranged in the less dust detector of volume, facilitates dust detector
Lay and carry.
Dust detector unit 1 is the detector unit for detecting pm1.0-pm10 particulate matter, and light emitters adopt laser
Emitter.In the present embodiment, dust detector unit 1 is the detector unit for detecting pm2.5 particulate matter.
Box body 2 inside and outside wall be coated with electrodeposited coating.Electrodeposited coating can play shielding action, its process is simple, makes
Low cost, can strengthen dust detector unit 1 and the capacity of resisting disturbance of circuit board 4, so that dust sensor is not allowed in the course of the work
It is vulnerable to the impact of external magnetic field, thus improving the accuracy of its detection data.
Detection zone 51 is the groove on fixed mount 5, and groove is on fixed mount 5 along the laser vertical with light emitters
Direction lateral direction penetrating.Detection zone 51 can make air inlet 211 spatially connect with steam vent 221.Ambient atmos are in exhaust fan 3
In the presence of enter in the detection zone 51 of dust sensor from air inlet 211, and by the powder in dust detector unit 1 detected gas
Dust concentration.
The sectional dimension of the first housing 21 inner chamber is adapted with the overall dimensions of circuit board 4.Near its edge on circuit board 4
Place is provided with hollow-out parts 42.Hollow-out parts 42 can be multiple circular holes or square opening.Hollow-out parts 42 are adjacent with detection zone 51,
So that the gas sequentially passing through air inlet 211 and detection zone 51 quickly passes through circuit board 4 from hollow-out parts 42, and in exhaust fan 3
In the presence of discharge from steam vent 221.This arrangement is more compact, real on the premise of not affecting gas circulation in box body 2
The miniaturization of existing box body 2.
As shown in fig. 6, the inner side of the first housing 21 is provided with fixed mount mounting groove 213.Fixed mount 5 is removably inlaid in solid
Determine on frame mounting groove 213, its structure is simple, facilitates the assembly and disassembly between fixed mount 5 and box body 2.
It is provided with position limiting structure between exhaust fan 3 and circuit board 4.Position limiting structure can make to leave between exhaust fan 3 and circuit board 4
The space of supplied gas circulation.Position limiting structure be arranged on exhaust fan 3 two of which corner and projection limited block 31, limited block
31 sides withstanding on circuit board 4, it can prevent because space not leads to gas circulation not smooth between exhaust fan 3 and circuit board 4,
Thus ensureing that dust sensor being capable of normal work.
The part contacting with exhaust fan 3 on steam vent 221 is provided with step structure 222.The edge of exhaust fan 3 side and rank
Ladder-shaper structure 222 is adapted, and it can limit exhaust fan 3 and move along the side wall in the second housing 22.Step structure 222 cooperation limit
Position block 31 can fix position in box body 2 for the exhaust fan 3.
As shown in figure 9, being provided with the interface for input power and output dust concentration signal near edge on circuit board 4
41.First housing 21 is provided with the through hole 212 being adapted with interface 41, facilitates external power cord data line to connect to interface
41, as shown in Figure 3.
Above in association with most preferred embodiment, this utility model is described, but this utility model is not limited to above taking off
The embodiment shown, and the various modifications carrying out according to essence of the present utility model, equivalent combinations should be covered.
Claims (9)
1. a kind of dust sensor, including box body (2) with the dust detector unit (1) that is arranged in described box body (2)；Its feature
It is: described sensor also includes fixed mount (5), described dust detector unit (1) is arranged on described fixed mount (5), fixing
Frame (5) is provided with the detection zone (51) for detecting dust concentration；Dust detector unit (1) is included light emitters and is connect with photoelectricity
Receive device, described light emitters and photelectric receiver adopt integral structure；Box body (2) is provided with air inlet (211) and aerofluxuss
Hole (221), is provided with exhaust fan (3) in the inner chamber of box body (2) position corresponding with described steam vent (221), and fixed mount (5) is arranged
The side adjacent with air inlet (211) in box body (2), be provided between fixed mount (5) and exhaust fan (3) for input power and
The circuit board (4) of output dust concentration signal, described circuit board (4) is connected with dust detector unit (1).
2. a kind of dust sensor according to claim 1 it is characterised in that described dust detector unit (1) be for
The detector unit of detection pm1.0-pm10 particulate matter, described light emitters are generating laser.
3. a kind of dust sensor according to claim 1 and 2 is it is characterised in that the inside and outside wall of described box body (2) all applies
It is furnished with electrodeposited coating.
4. a kind of dust sensor according to claim 3 is it is characterised in that described detection zone (51) is positioned at described solid
Determine the groove on frame (5), described groove is horizontal with the direction of the laser vertical of described light emitters on the upper edge of fixed mount (5)
The structure of insertion, detection zone (51) is the structure making described air inlet (211) connect with steam vent (221).
5. a kind of dust sensor according to claim 4 is it is characterised in that the sectional dimension of described box body (2) inner chamber
It is adapted with the overall dimensions of described circuit board (4), circuit board (4) is provided with can make described air inlet (211) and steam vent
(221) hollow-out parts (42) connecting.
6. a kind of dust sensor according to claim 5 is it is characterised in that be provided with fixed mount inside described box body (2)
Mounting groove (213), described fixed mount (5) is inlaid on described fixed mount mounting groove (213).
7. a kind of dust sensor according to claim 6 is it is characterised in that described steam vent (221) is gone up and described row
The part that gas fan (3) contacts is provided with step structure (222), and described step structure (222) is and described exhaust fan (3)
Profile is adapted, is used for limiting exhaust fan (3) along the structure of the side wall movement in described box body (2)；Exhaust fan (3) is provided with use
Leave the limited block (31) of a fixed gap in making it and circuit board (4) between.
8. a kind of dust sensor according to claim 1 or 2 or 4 or 5 or 6 or 7 is it is characterised in that described circuit board
(4) it is provided with the interface (41) for input power and output dust concentration signal, described box body (2) is provided with and described interface
(41) through hole (212) being adapted.
9. a kind of dust sensor according to claim 8 it is characterised in that described box body (2) include mutually fastening and
The first housing (21) being fixedly connected and the second housing (22), described air inlet (211) is located on described first housing (21), institute
State steam vent (221) to be located on described second housing (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620863359.6U CN205898624U (en) | 2016-08-10 | 2016-08-10 | Dust sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620863359.6U CN205898624U (en) | 2016-08-10 | 2016-08-10 | Dust sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205898624U true CN205898624U (en) | 2017-01-18 |
Family
ID=57781795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620863359.6U Expired - Fee Related CN205898624U (en) | 2016-08-10 | 2016-08-10 | Dust sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205898624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398365A (en) * | 2020-04-30 | 2020-07-10 | 中国人民解放军陆军防化学院 | Molybdenum disulfide-based ammonia gas sensor and preparation method thereof |
| CN111398368A (en) * | 2020-04-30 | 2020-07-10 | 中国人民解放军陆军防化学院 | Nitrogen dioxide gas sensor based on molybdenum disulfide and preparation method |
-
2016
- 2016-08-10 CN CN201620863359.6U patent/CN205898624U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398365A (en) * | 2020-04-30 | 2020-07-10 | 中国人民解放军陆军防化学院 | Molybdenum disulfide-based ammonia gas sensor and preparation method thereof |
| CN111398368A (en) * | 2020-04-30 | 2020-07-10 | 中国人民解放军陆军防化学院 | Nitrogen dioxide gas sensor based on molybdenum disulfide and preparation method |
| CN111398365B (en) * | 2020-04-30 | 2023-08-25 | 中国人民解放军陆军防化学院 | Molybdenum disulfide-based ammonia gas sensor and preparation method thereof |
| CN111398368B (en) * | 2020-04-30 | 2023-11-07 | 中国人民解放军陆军防化学院 | Molybdenum disulfide-based nitrogen dioxide gas sensor and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20210810 |