CN206920286U - Laser dust detector - Google Patents
Laser dust detector Download PDFInfo
- Publication number
- CN206920286U CN206920286U CN201720557762.0U CN201720557762U CN206920286U CN 206920286 U CN206920286 U CN 206920286U CN 201720557762 U CN201720557762 U CN 201720557762U CN 206920286 U CN206920286 U CN 206920286U
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- Prior art keywords
- pins
- dust
- display screen
- amplifier
- electric capacity
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Abstract
The utility model discloses a kind of laser dust detector,Housing including cuboid,Dust collecting apparatus is circumscribed with the left of housing,Interface in housing in dust collecting apparatus is provided with laser detector,The neck of annular is provided with housing on the right side of laser detector,Dust-filtering net is plugged with neck,The front of housing is respectively arranged with switch,Display screen and guidance panel,The right flank of housing is provided with charging jacks and battery case,Enclosure interior, which is located on the right side of dust-filtering net, is provided with dust investigating,Dust investigating includes microprocessor,Microprocessor is connected with guidance panel,Microprocessor has been also respectively connected with Temperature Humidity Sensor,Data disaply moudle,Data processing module,Data acquisition module,Sensor of dust concentration and power module,Sensor of dust concentration is connected with laser detector,Sensor of dust concentration successively with data acquisition module,Data processing module connects.
Description
Technical field
The utility model belongs to dust detection technique field, is related to a kind of laser dust detector.
Background technology
Dust investigating generally use light scattering principle, by laser or infrared radiation air particle, collect anti-
Optical signal after penetrating, the quantity of particulate in air or concentration are calculated using Principle of Statistics.Traditional dust investigating
It is required to, with the gas channel for introducing finely ground particles air, the air containing particulate matter is fed through into powder by gas channel
The test side of dust sensor carries out illumination detection.However, after traditional dust investigating long-time use, hold in gas channel
Easily gather more dust, will so have influence on the accuracy of the detection data of dust sensor.
In addition, traditional dust investigating function is single, bulky, it has not been convenient to transport and carrying, except dust is dense
Detection function is spent, without the detection function of the environmental datas such as temperature and humidity
Utility model content
In order to achieve the above object, the utility model provides a kind of laser dust detector, solves and deposits in the prior art
Dust investigating long-term use after gas channel assemble more dust and influence that detection accuracy and function are single, carry
The problem of inconvenient.
The utility model includes the housing of cuboid, the shell the technical scheme adopted is that laser dust detector
Dust collecting apparatus is circumscribed with the left of body, the interior interface in the dust collecting apparatus of the housing is provided with laser detection
Device, the neck of annular is provided with the housing on the right side of laser detector, dust-filtering net is plugged with the neck,
The front of the housing is respectively arranged with switch, display screen and guidance panel, and the right flank of the housing is provided with charging jacks
And battery case, the enclosure interior, which is located on the right side of the dust-filtering net, is provided with dust investigating, the dust detection
Device includes microprocessor, and the microprocessor is connected with the guidance panel, and the microprocessor has been also respectively connected with warm and humid
Sensor, data disaply moudle, data processing module, data acquisition module, sensor of dust concentration and power module are spent, it is described
Sensor of dust concentration is connected with the laser detector, the sensor of dust concentration successively with data acquisition module, data
Processing module connects.
It is of the present utility model to be further characterized in that,
The sensor of dust concentration is GCG1000 sensor of dust concentration.
The circuit of the data acquisition module includes amplifier A1, amplifier A2, electric capacity C1, electric capacity C2, resistance R1, switch
The signal controller UK that K1, switch K2, inductance L1 and controlling switch K1 and switch K2 are opened and closed, one end of the inductance L1 is with putting
Big device A1 in-phase input end connection, described electric capacity C2 one end is connected between inductance L1 and amplifier A1 input in the same direction
On circuit, other end ground connection, the output end of the amplifier A1 is connected with amplifier A1 reverse input end, and the switch K2 is set
On circuit between the reverse input end of amplifier A1 output end and amplifier (A1), the output end of the amplifier A1 with
Amplifier A2 input in the same direction is connected, and the switch K1 is located at amplifier A1 output end and amplifier A2 input in the same direction
Between circuit on, one end of the resistance R1 is connected with amplifier A1 reverse input end, the other end simultaneously with amplifier A2
Reverse input end be connected with amplifier A2 output end, one end of the electric capacity C1 is connected to the same of switch K1 and amplifier A2
To on the circuit between input, other end ground connection.
The circuit of the data processing module includes model STM8L051F3P6 the first chip U1, model
IMP811LEUS-T the second chip U2, resistance R7, resistance R8, resistance R9, crystal oscillator Y1, electric capacity C4, electric capacity C5, electric capacity C6 and electricity
Hold C7, the 4th pin of the first chip U1 connects with one end of the resistance R7, the other end of the resistance R7 and described second
Chip U2 the 2nd pin connection, the 5th pin, one end of the resistance R9, one end of the crystal oscillator Y1 and the institute of the first chip U1
The one end for stating electric capacity C6 is connected, and the other end of the electric capacity C6 and the electric capacity C7 one end are grounded respectively, the electric capacity C7's
The other end, the other end of the crystal oscillator Y1, the other end of the R9 resistance connect with the 6th pin of the first chip U1, described
First chip U1 the 7th pin, one end of the resistance R8 connect with one end of the electric capacity C5, the other end of the resistance R8 and
One end connection of the electric capacity C4, the other end of the electric capacity C4 and the electric capacity C5 other end are grounded respectively, and described first
Chip U1 the 8th pin and the second described chip U2 the 1st pin are grounded respectively.
The circuit of the data disaply moudle includes display screen and DSP, 28 pins of the DSP and 4 pins of display screen
Connection, DSP 27 pins and 5 pins of display screen connect, and DSP 26 pins and 6 pins of display screen connect, and the 25 of DSP draws
7 pins of pin and display screen are connected, and DSP 24 pins and 8 pins of display screen are connected, and DSP 23 pins and the 9 of display screen are drawn
Pin connects, and DSP 22 pins and 10 pins of display screen connect, and DSP 21 pins and 11 pins of display screen connect, DSP's
12 pins of 20 pins and display screen connect, and DSP 19 pins and 13 pins of display screen connect, DSP 18 pins and display
The 14 pins connection of screen, DSP 17 pins and 15 pins of display screen connect, and DSP 16 pins and 16 pins of display screen connect
Connect, the 1 pin ground connection of the display screen, 2,20 pins of the display screen connect 3.3V power supplys, 3,19 pins of the display screen
It is connected respectively with adjustable resistance both ends.
The microprocessor uses Z3740D processors.
The Temperature Humidity Sensor uses DHT11 digital hygro sensors.
Handle is provided with the top of the housing.
The beneficial effects of the utility model are：
1. the utility model uses external dust collecting apparatus, plus the interception of dust-filtering net, effectively by dust
Barrier avoids dust accumulation from influenceing the accuracy of detection data of dust sensor beyond the circuit element of detector；
2. the setting of Temperature Humidity Sensor, the humiture of environment, one-object-many-purposes, work(are detected while dust concentration is detected
Can be complete；
3. of the present utility model compact-sized, compact, the handle that top is set, are moved easily and carry.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of the utility model laser dust detector；
Fig. 2 is the function structure chart of the utility model laser dust detector；
Fig. 3 is the circuit diagram of the data acquisition module of the utility model laser dust detector；
Fig. 4 is the circuit diagram of the data processing module of the utility model laser dust detector；
Fig. 5 is the circuit diagram of the data disaply moudle of the utility model laser dust detector.
In figure, 1. housings, 2. dust collecting apparatus, 3. laser detectors, 4. necks, 5. dust-filtering nets, 6. handles, 7.
Switch, 8. display screens, 9. charging jacks, 10. battery cases, 11. guidance panels, 12. microprocessors, 13. Temperature Humidity Sensors,
14. data disaply moudle, 15 data processing modules, 16. data acquisition modules, 17. sensor of dust concentration, 18. power modules.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model laser dust detector, structure includes the housing 1 of cuboid as shown in Fig. 1~Fig. 5, described
The left side of housing 1 is circumscribed with dust collecting apparatus 2, and the interior interface in the dust collecting apparatus 2 of the housing 1 is provided with sharp
Photodetector 3, the neck 4 of annular is provided with the housing 1 close to the right side of laser detector 3, is plugged with the neck 4
Dust-filtering net 5, the front of the housing 1 are respectively arranged with switch 7, display screen 8 and guidance panel 11, the right side of the housing 1
Side is provided with charging jacks 9 and battery case 10, and the right side that the housing 1 is internally located at the dust-filtering net 5 is provided with powder
Dust detection device, the dust investigating include microprocessor 12, and the microprocessor 12 is connected with the guidance panel 11,
The microprocessor 12 has been also respectively connected with Temperature Humidity Sensor 13, data disaply moudle 14, data processing module 15, data and adopted
Collection module 16, sensor of dust concentration 17 and power module 18, the sensor of dust concentration 17 connect with the laser detector 3
Connect, the sensor of dust concentration 17 is connected with data acquisition module 16, data processing module 15 successively.
The sensor of dust concentration 17 is GCG1000 sensor of dust concentration, and the sensor is filled by sampling head, detection
Put, SCM system and extract system composition, have it is easy to carry, measurement quick and precisely, detection sensitivity height, stable performance,
The features such as simple is safeguarded, can accurately and timely reflect the pollution situation of dust in dust work place.
The circuit of the data acquisition module 16 includes amplifier A1, amplifier A2, electric capacity C1, electric capacity C2, resistance R1, opened
Close K1, the signal controller UK that switch K2, inductance L1 and controlling switch K1 and switch K2 are opened and closed, one end of the inductance L1 with
Amplifier A1 in-phase input end connection, described electric capacity C2 one end is connected between inductance L1 and amplifier A1 input in the same direction
Circuit on, other end ground connection, the output end of the amplifier A1 is connected with amplifier A1 reverse input end, the switch K2
On circuit between the reverse input end of amplifier A1 output end and amplifier (A1), the output end of the amplifier A1
It is connected with amplifier A2 input in the same direction, the switch K1 is located at amplifier A1 output end and amplifier A2 input in the same direction
On circuit between end, one end of the resistance R1 is connected with amplifier A1 reverse input end, the other end while and amplifier
A2 reverse input end is connected with amplifier A2 output end, and one end of the electric capacity C1 is connected to switch K1 and amplifier A2's
On circuit between input in the same direction, other end ground connection.
The circuit of the data processing module 15 includes model STM8L051F3P6 the first chip U1, model
IMP811LEUS-T the second chip U2, resistance R7, resistance R8, resistance R9, crystal oscillator Y1, electric capacity C4, electric capacity C5, electric capacity C6 and electricity
Hold C7, the 4th pin of the first chip U1 connects with one end of the resistance R7, the other end of the resistance R7 and described second
Chip U2 the 2nd pin connection, the 5th pin, one end of the resistance R9, one end of the crystal oscillator Y1 and the institute of the first chip U1
The one end for stating electric capacity C6 is connected, and the other end of the electric capacity C6 and the electric capacity C7 one end are grounded respectively, the electric capacity C7's
The other end, the other end of the crystal oscillator Y1, the other end of the R9 resistance connect with the 6th pin of the first chip U1, described
First chip U1 the 7th pin, one end of the resistance R8 connect with one end of the electric capacity C5, the other end of the resistance R8 and
One end connection of the electric capacity C4, the other end of the electric capacity C4 and the electric capacity C5 other end are grounded respectively, and described first
Chip U1 the 8th pin and the second described chip U2 the 1st pin are grounded respectively.
The circuit of the data disaply moudle 14 includes display screen 8 and DSP, 28 pins of the DSP and the 4 of display screen 8
Pin is connected, and DSP 27 pins are connected with 5 pins of display screen 8, and DSP 26 pins are connected with 6 pins of display screen 8, DSP
25 pins be connected with 7 pins of display screen 8, DSP 24 pins are connected with 8 pins of display screen 8, DSP 23 pins with it is aobvious
The 9 pins connection of display screen 8, DSP 22 pins are connected with 10 pins of display screen 8, and DSP 21 pins draw with the 11 of display screen 8
Pin is connected, and DSP 20 pins are connected with 12 pins of display screen 8, and DSP 19 pins are connected with 13 pins of display screen 8, DSP
18 pins be connected with 14 pins of display screen 8, DSP 17 pins are connected with 15 pins of display screen 8, DSP 16 pins with
The 16 pins connection of display screen 8, the 1 pin ground connection of the display screen 8,2,20 pins of the display screen 8 meet 3.3V power supplys, institute
3,19 pins for stating display screen 8 are connected with adjustable resistance both ends respectively.
The microprocessor 12 uses Z3740D processors.
The use of the Temperature Humidity Sensor 13 DHT11 digital hygro sensors are a containing calibrated data signal
The humiture compound sensor of output.The digital module acquisition technique and temperature and humidity sensing technology of its application specific, it is ensured that product
With high reliability and remarkable long-time stability.Sensor includes a resistance-type humidity sensing element and a NTC thermometric
Element, and be connected with 8 single-chip microcomputers of a high-performance.Therefore the product has quality brilliance, super fast response, antijamming capability
By force, the advantages that cost performance is high.
The top of the housing 1 is provided with handle 6, is moved easily and carries.
The utility model laser dust detector, when use, need to survey using the external collection of dust collecting apparatus 2
The dust of examination, the situation of dust concentration is then gathered by laser detector 3 and sensor of dust concentration 17, then passes through data
Acquisition module 16, data processing module 15 are handled data, and the data after processing are transmitted into microprocessor 12, micro-
Processor 12 draws the concentration information of dust after carrying out signal transacting, and is transferred to data disaply moudle 14, data disaply moudle
14 include data message on display screen 8.
The temperature and humidity information that Temperature Humidity Sensor 13 collects simultaneously is also shown on display screen 8 in the lump.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Preferred embodiment of the present utility model is the foregoing is only, is not intended to limit protection model of the present utility model
Enclose.All made within spirit of the present utility model and principle any modification, equivalent substitution and improvements etc., are all contained in this reality
With in new protection domain.
Claims (8)
1. laser dust detector, include the housing (1) of cuboid, it is characterised in that be circumscribed with the left of the housing (1)
Dust collecting apparatus (2), the interior interface in the dust collecting apparatus (2) of the housing (1) are provided with laser detector
(3) neck (4) of annular, the interior grafting of the neck (4), are provided with the housing (1) on the right side of laser detector (3)
There is dust-filtering net (5), the front of the housing (1) is respectively arranged with switch (7), display screen (8) and guidance panel (11), institute
The right flank for stating housing (1) is provided with charging jacks (9) and battery case (10), and the housing (1) is internally located at the dust mistake
Dust investigating is provided with the right side of filter screen (5), the dust investigating includes microprocessor (12), the microprocessor
(12) it is connected with the guidance panel (11), the microprocessor (12) has been also respectively connected with Temperature Humidity Sensor (13), data
Display module (14), data processing module (15), data acquisition module (16), sensor of dust concentration (17) and power module
(18), the sensor of dust concentration (17) is connected with the laser detector (3), and the sensor of dust concentration (17) is successively
It is connected with data acquisition module (16), data processing module (15).
2. laser dust detector according to claim 1, it is characterised in that the sensor of dust concentration (17) is
GCG1000 sensor of dust concentration.
3. laser dust detector according to claim 1, it is characterised in that the circuit of the data acquisition module (16)
Including amplifier A1, amplifier A2, electric capacity C1, electric capacity C2, resistance R1, switch K1, switch K2, inductance L1 and controlling switch K1
The signal controller UK opened and closed with switch K2, one end of the inductance L1 are connected with amplifier A1 in-phase input end, the electricity
Hold C2 one end to be connected on the circuit between inductance L1 and amplifier A1 input in the same direction, other end ground connection, the amplifier
A1 output end is connected with amplifier A1 reverse input end, and the switch K2 is located at amplifier A1 output end and amplifier
(A1) on the circuit between reverse input end, the output end of the amplifier A1 is connected with amplifier A2 input in the same direction,
The switch K1 is located on the circuit between amplifier A1 output end and amplifier A2 input in the same direction, the resistance R1's
One end is connected with amplifier A1 reverse input end, and the other end is simultaneously defeated with amplifier A2 reverse input end and amplifier A2
Go out end to be connected, one end of the electric capacity C1 is connected on the circuit between switch K1 and amplifier A2 input in the same direction, another
End ground connection.
4. laser dust detector according to claim 1, it is characterised in that the circuit of the data processing module (15)
The second chip U2, resistance R7, the resistance of the first chip U1, model IMP811LEUS-T including model STM8L051F3P6
R8, resistance R9, crystal oscillator Y1, electric capacity C4, electric capacity C5, electric capacity C6 and electric capacity C7, the first chip U1 the 4th pin and the resistance
R7 one end connection, the other end of the resistance R7 connects with the 2nd pin of the second chip U2, and the of the first chip U1
5 pin, one end of the resistance R9, one end of the crystal oscillator Y1 connect with one end of the electric capacity C6, and the electric capacity C6's is another
End and one end of the electric capacity C7 are grounded respectively, the other end of the electric capacity C7, the other end of the crystal oscillator Y1, the R9 resistance
The other end connected with the 6th pin of the first chip U1, the 7th pin of the first chip U1, one end of the resistance R8 and
One end connection of the electric capacity C5, the other end of the resistance R8 connect with one end of the electric capacity C4, and the electric capacity C4's is another
One end and the electric capacity C5 other end are grounded respectively, the 8th pin of the first chip U1 and the 1st of the second described chip U2 the
Pin is grounded respectively.
5. laser dust detector according to claim 1, it is characterised in that the circuit of the data disaply moudle (14)
Including display screen (8) and DSP, 28 pins of the DSP are connected with 4 pins of display screen (8), DSP 27 pins and display screen
(8) 5 pins connection, DSP 26 pins are connected with 6 pins of display screen (8), and DSP 25 pins draw with the 7 of display screen (8)
Pin is connected, and DSP 24 pins are connected with 8 pins of display screen (8), and DSP 23 pins are connected with 9 pins of display screen (8),
DSP 22 pins are connected with 10 pins of display screen (8), and DSP 21 pins are connected with 11 pins of display screen (8), and the 20 of DSP
Pin is connected with 12 pins of display screen (8), and DSP 19 pins are connected with 13 pins of display screen (8), DSP 18 pins with
The 14 pins connection of display screen (8), DSP 17 pins are connected with 15 pins of display screen (8), DSP 16 pins and display screen
(8) 16 pins connection, the 1 pin ground connection of the display screen (8), 2,20 pins of the display screen (8) meet 3.3V power supplys, institute
3,19 pins for stating display screen (8) are connected with adjustable resistance both ends respectively.
6. laser dust detector according to claim 1, it is characterised in that the microprocessor (12) uses Z3740D
Processor.
7. laser dust detector according to claim 1, it is characterised in that the Temperature Humidity Sensor (13) uses
DHT11 digital hygro sensors.
8. laser dust detector according to claim 1, it is characterised in that be provided with and carry at the top of the housing (1)
Hand (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720557762.0U CN206920286U (en) | 2017-05-18 | 2017-05-18 | Laser dust detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720557762.0U CN206920286U (en) | 2017-05-18 | 2017-05-18 | Laser dust detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920286U true CN206920286U (en) | 2018-01-23 |
Family
ID=61308757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720557762.0U Expired - Fee Related CN206920286U (en) | 2017-05-18 | 2017-05-18 | Laser dust detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295588A (en) * | 2021-06-17 | 2021-08-24 | 杭州力环科技有限公司 | Sensor with alarm structure for air detection |
-
2017
- 2017-05-18 CN CN201720557762.0U patent/CN206920286U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295588A (en) * | 2021-06-17 | 2021-08-24 | 杭州力环科技有限公司 | Sensor with alarm structure for air detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180123 Termination date: 20180518 |