CN206573444U - Based on optical unpowered dust detecting system and device - Google Patents
Based on optical unpowered dust detecting system and device Download PDFInfo
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- CN206573444U CN206573444U CN201720333603.2U CN201720333603U CN206573444U CN 206573444 U CN206573444 U CN 206573444U CN 201720333603 U CN201720333603 U CN 201720333603U CN 206573444 U CN206573444 U CN 206573444U
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Abstract
Optical unpowered dust detecting system and device are based on the utility model proposes one kind, including：Laser head is arranged on the left side of dust detection components, connected between ventilated cavity side and laser head by light path conduit, ventilated cavity opposite side sets optical trap, optical trap is used for the laser beam for receiving laser head transmitting, and laser head, light path conduit, ventilated cavity and optical trap are set on the same line.Dust concentration detection technique based on optical scattering method, by distinctive unpowered optic test mechanism, simplifies the detection process and maintaining method of dust, extends maintenance time.
Description
Technical field
The utility model is related to Mechatronics control field, more particularly to a kind of based on optical unpowered dust detection
System and device.
Background technology
Dust concentration is detected in the application of mine field widely, based on optical sensor of dust concentration and detection
Instrument is due to direct-reading and is suitable for increasingly being paid attention in various complex environments.Although these equipment widely should
With, but still come with some shortcomings.
One is the dust detector device that the current country is used, either sampler, direct-reading instrument, or dust concentration sensing
Device, needs power to produce sampling air-flow mostly, realizes sampling and measures.For the instrument of dust measurement, dynamical system not only increases
Added the volume and weight of instrument, made structure more complicated, and in use gas circuit easily by dust pollution and blocking, shadow
Measurement is rung, even equipment can not work；
Two be that the result of dust measurement is easily influenceed by parameters such as the wind speed of test environment；
Three be that most sensors with auxiliary electrode and detector power consumption are high, and measurement accuracy is low, poor reliability；
This just needs those skilled in the art badly and solves corresponding technical problem.
Utility model content
The utility model is intended at least solve technical problem present in prior art, especially innovatively proposes a kind of base
In optical unpowered dust detecting system and device.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of based on optical unpowered dust
Detecting system, including：Laser head 6, light path conduit 2, ventilated cavity, optical trap 7；
Laser head 6 is arranged on the left side of dust detection components, passes through light path conduit between ventilated cavity side and laser head 6
2 connections, ventilated cavity opposite side sets optical trap 7, and optical trap 7 is used for the laser beam for receiving the transmitting of laser head 6, laser
First 6, light path conduit 2, ventilated cavity and optical trap 7 are set on the same line.
Above-mentioned technical proposal has the beneficial effect that：Dust is detected in chamber by laser head, the structure design is simple, inspection
Survey precision high.
It is described based on optical unpowered dust detecting system, it is preferred that the dust detection components include：Laser two
Pole pipe seat 3, optically focused table bearing 4；
The laser diode seat 3 is hollow structure, and laser head 6 is installed in laser diode seat one end, in laser diode
Optically focused table bearing 4 is installed, the optically focused table bearing 4 is hollow structure in the hollow structure of seat 3, the external diameter of optically focused table bearing 4 and swashs
The internal diameter Interference contact of the hollow structure of optical diode seat 3, in the external diameter of optically focused table bearing 4 and the hollow knot of laser diode seat 3
Firm set is installed between the internal diameter of structure, the internal diameter of the hollow structure of the external diameter of optically focused table bearing 4 and laser diode seat 3 is installed
Do not produce loosening after, be the laser diode of the front end of laser head 6 in the left side of optically focused table bearing 4, covered on the right side of optically focused table bearing 4
Light path conduit 2 is connect, light path conduit 2 is " ten " font, the groove clamping with optically focused table bearing 4.
Above-mentioned technical proposal has the beneficial effect that：The shape of light path conduit is easy to be stuck on optically focused table bearing, reliable and stable
It is difficult to rock, operation is measured by distal end laser head.
It is described based on optical unpowered dust detecting system, it is preferred that also including closure 5 and holding screw 12；
The middle part of the hollow structure of laser diode seat 3 sets card slot type via, and laser head 6 is connected into card slot type via
In, closure 5, the internal thread of the external screw thread and laser diode seat 3 of the closure 5 are installed in the outside of laser diode seat 3
It is engaged, so as to tighten closure 5, the outside of laser diode seat 3 is taper, and tightening is set in the body of laser diode seat 3
Screw 12, the holding screw 12 is tightened on optically focused table bearing 4 through laser diode seat 3.
Above-mentioned technical proposal has the beneficial effect that：Extraneous foreign matter Interference Detection is prevented by closure, it is convenient and practical.
It is described based on optical unpowered dust detecting system, it is preferred that also include：Detect seat 1, the and of silicon photocell 8
Optical filter 9；
Ventilated cavity, ventilated cavity both sides insertion, in the ventilated cavity of detection seat 1 are opened up on the detection pedestal of seat 1
Axially open up hole and optical filter 9 is installed, optical filter 9 installs silicon photocell 8, silicon photocell 8 and optical filter close to detection seat 1 outer wall
9 fit, and silicon photocell 8 connects supplying cell 14 by transfer wire.
It is described based on optical unpowered dust detecting system, it is preferred that also including O-ring seal 10 and sunk screw
11；
The outside of optically focused table bearing 4 sets base station, and the base station of optically focused table bearing 4 passes through some sunk screws 11 and detection seat 1
It is mutually fixed, in the peripheral mounting O-shaped sealing ring 10 close to light path conduit 2, O-ring seal 10 is pressed together on the He of optically focused table bearing 4
Between detection seat 1.
A kind of portable dust investigating is also disclosed in the utility model, including：Dust detection components, control panel, inspection
Survey shell, supplying cell 14；
Detect that shell is set to be hollow, detection shell is divided into component installation portion and detection fuselage, component installation portion and detection
Fuselage is in T-shape, and detection fuselage interior, which is installed, installs dust detection components inside supplying cell 14, component installation portion, in component
Control panel is installed in side outside installation portion, and opposite side opens up passage 19, passage 19 and dust outside component installation portion
Detection components are engaged detection dust concentration.
Described portable dust investigating, it is preferred that also including plug 13, circuit board 15, the power switch 16 of stretching
With optical trap outlet 17；
The flexible power line of the plug 13 connection power end of supplying cell 14, the circuit board 14 is arranged on detection fuselage interior
Handgrip part, sets power switch 16, power switch 16 is arranged on forefinger can be direct in the handgrip part upper end of detection fuselage
The position touched, the optical trap sites of dust detection components set optical trap to export 17.
Described portable dust investigating, it is preferred that the position of passage 19 of the component installation portion is ellipse
Bilayer is set, and the dust cap 18 less than ellipse, passage of the dust cap 18 in ellipse are set at oval bilayer
Moved back and forth at 19；
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
3 points of deficiencies that the utility model is mentioned for prior art, using specially designed unpowered optical testing machine
Structure so that equipment instrument reduction, weight saving, simple in construction, gas circuit are difficult to be contaminated, power consumption is substantially reduced.In addition, by right
The research of the backoff algorithm of unpowered mechanism for testing, improves the accuracy of detection and reliability of dust detector.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the utility model dust measurement system structural representation；
Fig. 2 is the utility model dust measurement system structure A-A sectional views；
Fig. 3 is the utility model dust measurement system structural side view；
Fig. 4 is the utility model dust measurement system structure fitting arrangement；
Fig. 5 is the utility model dust measurement system structural outer schematic diagram.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ",
The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on attached
Orientation or position relationship shown in figure, are for only for ease of description the utility model and are described with simplified, rather than indicate or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model.
In description of the present utility model, unless otherwise prescribed with restriction, it is necessary to explanation, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be the company of mechanical connection or electrical connection or two element internals
It is logical, can be joined directly together, can also be indirectly connected to by intermediary, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
As Figure 1-5, the utility model provides one kind and is based on optical unpowered dust detecting system, including：Swash
Shaven head 6, light path conduit 2, ventilated cavity, optical trap 7；
Laser head 6 is arranged on the left side of dust detection components, passes through light path conduit between ventilated cavity side and laser head 6
2 connections, ventilated cavity opposite side sets optical trap 7, and optical trap 7 is used for the laser beam for receiving the transmitting of laser head 6, laser
First 6, light path conduit 2, ventilated cavity and optical trap 7 are set on the same line.
It is described based on optical unpowered dust detecting system, it is preferred that the dust detection components include：Laser two
Pole pipe seat 3, optically focused table bearing 4；
The laser diode seat 3 is hollow structure, and laser head 6 is installed in laser diode seat one end, in laser diode
Optically focused table bearing 4 is installed, the optically focused table bearing 4 is hollow structure in the hollow structure of seat 3, the external diameter of optically focused table bearing 4 and swashs
The internal diameter Interference contact of the hollow structure of optical diode seat 3, in the external diameter of optically focused table bearing 4 and the hollow knot of laser diode seat 3
Firm set is installed between the internal diameter of structure, the internal diameter of the hollow structure of the external diameter of optically focused table bearing 4 and laser diode seat 3 is installed
Do not produce loosening after, be the laser diode of the front end of laser head 6 in the left side of optically focused table bearing 4, covered on the right side of optically focused table bearing 4
Light path conduit 2 is connect, light path conduit 2 is " ten " font, the groove clamping with optically focused table bearing 4.
It is described based on optical unpowered dust detecting system, it is preferred that also including closure 5 and holding screw 12；
The middle part of the hollow structure of laser diode seat 3 sets card slot type via, and laser head 6 is connected into card slot type via
In, closure 5, the internal thread of the external screw thread and laser diode seat 3 of the closure 5 are installed in the outside of laser diode seat 3
It is engaged, so as to tighten closure 5, the outside of laser diode seat 3 is taper, and tightening is set in the body of laser diode seat 3
Screw 12, the holding screw 12 is tightened on optically focused table bearing 4 through laser diode seat 3.
It is described based on optical unpowered dust detecting system, it is preferred that also include：Detect seat 1, the and of silicon photocell 8
Optical filter 9；
Ventilated cavity, ventilated cavity both sides insertion, in the ventilated cavity of detection seat 1 are opened up on the detection pedestal of seat 1
Axially open up hole and optical filter 9 is installed, optical filter 9 installs silicon photocell 8, silicon photocell 8 and optical filter close to detection seat 1 outer wall
9 fit, and silicon photocell 8 connects supplying cell 14 by transfer wire.
It is described based on optical unpowered dust detecting system, it is preferred that also including O-ring seal 10 and sunk screw
11；
The outside of optically focused table bearing 4 sets base station, and the base station of optically focused table bearing 4 passes through some sunk screws 11 and detection seat 1
It is mutually fixed, in the peripheral mounting O-shaped sealing ring 10 close to light path conduit 2, O-ring seal 10 is pressed together on the He of optically focused table bearing 4
Between detection seat 1.
A kind of portable dust investigating is also disclosed in the utility model, including：Dust detection components, control panel, inspection
Survey shell, supplying cell 14；
Detect that shell is set to be hollow, detection shell is divided into component installation portion and detection fuselage, component installation portion and detection
Fuselage is in T-shape, and detection fuselage interior, which is installed, installs dust detection components inside supplying cell 14, component installation portion, in component
Control panel is installed in side outside installation portion, and opposite side opens up passage 19, passage 19 and dust outside component installation portion
Detection components are engaged detection dust concentration.
Described portable dust investigating, it is preferred that also including plug 13, circuit board 15, the power switch 16 of stretching
With optical trap outlet 17；
The flexible power line of the plug 13 connection power end of supplying cell 14, the circuit board 14 is arranged on detection fuselage interior
Handgrip part, sets power switch 16, power switch 16 is arranged on forefinger can be direct in the handgrip part upper end of detection fuselage
The position touched, the optical trap sites of dust detection components set optical trap to export 17.
Described portable dust investigating, it is preferred that the position of passage 19 of the component installation portion is ellipse
Bilayer is set, and the dust cap 18 less than ellipse, passage of the dust cap 18 in ellipse are set at oval bilayer
Moved back and forth at 19；
The handgrip part of the detection fuselage is ergonomics wave-like, facilitates user to grip.
The position for installing laser head 6 is defined as the left side of dust detection components, and the position for installing optical trap 7 is defined as powder
The right side of dirt detection components.The left side of optically focused table bearing 4 is defined as in the side of laser head 6, it is right that opposite side is defined as optically focused table bearing 4
Side.
Ventilated cavity is circular or square.
Ultrasonic wind velocity indicator is set in ventilated cavity, wind speed, ultrasonic wind velocity indicator signal sending end connection circuit board is detected
Signal receiving end, calculated by Wind speed model.
Fig. 2 is when photosensitive area of the dust by optical sensor, and dust granules can scatter the laser of incidence, in daylighting angle side
To the scattered light for placing one block of rotation spherical reflector collection dust, photodetector is recycled by dissipating that spherical reflector reflects
Penetrate light and be converted into electric signal, premenstrual storing is big, subsequent conditioning circuit processing obtains the voltage signal related to dust granules scattered light intensity,
Then the data processing and calculating to voltage signal are passed through, it is possible to draw the mass concentration value of dust.
Unpowered optic test mechanism
In consideration of it, the utility model uses specially designed unpowered optic test mechanism, traditional dust inspection is solved
The defect problem that the dynamic pumping sampling of instrument is present is surveyed, the volume reduction of detecting instrument is realized, weight saving, simple in construction
With pollution problem mitigate etc..Its mechanism is as shown in Figure 2.
Unpowered optic test mechanism includes the unpowered gas circuit of dust, laser tube, light trapping, silicon photo diode and wind speed and passed
Several parts such as sensor.
Wherein the unpowered gas circuit of dust is a through hole being relatively large in diameter, and it is dirty that larger diameter is difficult whole mechanism
Dye；And optical receiving device silicon photo diode and air velocity transducer are located at below unpowered gas circuit, just sent out after dust enters
Third contact of a total solar or lunar eclipse scattering is so as to carry out the real-time dust concentration of measuring appliance.The unpowered mechanism for testing of whole optics, centered on unpowered gas circuit,
Silicon photo diode, laser tube and light trapping have been laid in lower section, left and the right of gas circuit respectively.Its gas circuit uses the letter of major diameter
Single-pass hole, greatly reduces pollution of the dust to whole mechanism；Even if there is pollution also can directly be cleared up with instrument so that clear
It is clean to safeguard simple and easy to apply.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (8)
1. one kind is based on optical unpowered dust detecting system, it is characterised in that including：Laser head (6), light path conduit (2),
Ventilated cavity, optical trap (7)；
Laser head (6) is arranged on the left side of dust detection components, and light path conduit is passed through between ventilated cavity side and laser head (6)
(2) connect, ventilated cavity opposite side sets optical trap (7), optical trap (7) is used for the laser for receiving laser head (6) transmitting
Light beam, laser head (6), light path conduit (2), ventilated cavity and optical trap (7) are set on the same line.
2. according to claim 1 be based on optical unpowered dust detecting system, it is characterised in that the dust detection
Component includes：Laser diode seat (3), optically focused table bearing (4)；
The laser diode seat (3) is hollow structure, and laser head (6) is installed in laser diode seat one end, in laser diode
Optically focused table bearing (4) is installed, the optically focused table bearing (4) is hollow structure, optically focused table bearing (4) in the hollow structure of seat (3)
The internal diameter Interference contact of the hollow structure of external diameter and laser diode seat (3), in optically focused table bearing (4) external diameter and laser diode
Firm set is installed between the internal diameter of the hollow structure of seat (3), made in optically focused table bearing (4) external diameter and laser diode seat (3)
Loosening is not produced after the internal diameter installation of hollow structure, is the pole of laser two of laser head (6) front end on the left of optically focused table bearing (4)
Pipe, the socket light path conduit (2) on the right side of optically focused table bearing (4), light path conduit (2) is " ten " font, with optically focused table bearing (4)
Groove clamping.
3. according to claim 2 be based on optical unpowered dust detecting system, it is characterised in that also including closure
And holding screw (12) (5)；
The middle part of the hollow structure of laser diode seat (3) sets card slot type via, and laser head (6) is connected into card slot type via
In, closure (5), external screw thread and the laser diode seat (3) of the closure (5) are installed on the outside of laser diode seat (3)
Internal thread be engaged, be taper so as to tighten closure (5), outside laser diode seat (3), in laser diode seat (3)
Body set holding screw (12), the holding screw (12) through laser diode seat (3) be tightened in optically focused table bearing (4)
On.
4. according to claim 1 be based on optical unpowered dust detecting system, it is characterised in that also includes：Detection
Seat (1), silicon photocell (8) and optical filter (9)；
Ventilated cavity, ventilated cavity both sides insertion, in the ventilated cavity of detection seat (1) are opened up on detection seat (1) pedestal
Axially open up hole and optical filter (9) is installed, optical filter (9) installs silicon photocell (8), silicon photocell close to detection seat (1) outer wall
(8) fitted with optical filter (9), silicon photocell (8) connects supplying cell (14) by transfer wire.
5. according to claim 2,3 or 4 based on optical unpowered dust detecting system, it is characterised in that also including O
Type sealing ring (10) and sunk screw (11)；
Base station is set on the outside of optically focused table bearing (4), and the base station of optically focused table bearing (4) passes through some sunk screws (11) and detection seat
(1) mutually fix, in the peripheral mounting O-shaped sealing ring (10) close to light path conduit (2), O-ring seal (10) is pressed together on optically focused
Between table bearing (4) and detection seat (1).
6. a kind of portable dust investigating, including：Dust detection components, control panel, detection shell, supplying cell
(14)；
Detect that shell is set to be hollow, detection shell is divided into component installation portion and detection fuselage, component installation portion and detection fuselage
In T-shape, detection fuselage interior, which is installed, installs dust detection components inside supplying cell (14), component installation portion, in component peace
Control panel is installed in side outside dress portion, and opposite side opens up passage (19), passage (19) and powder outside component installation portion
Dirt detection components are engaged detection dust concentration.
7. portable dust investigating according to claim 6, it is characterised in that also including flexible plug (13), electricity
Road plate (15), power switch (16) and optical trap outlet (17)；
Flexible plug (13) power line connection supplying cell (14) power end, the circuit board (15) is arranged on detection fuselage interior
Handgrip part, power switch (16) is set in the handgrip part upper end of detection fuselage, power switch (16) is arranged on forefinger energy
Enough positions directly touched, the optical trap sites of dust detection components set optical trap to export (17).
8. portable dust investigating according to claim 6, it is characterised in that the passage of the component installation portion
(19) position is set for ellipse is double-deck, and the dust cap (18) less than ellipse, the dust cap are set at oval bilayer
(18) moved back and forth at passage (19) place of ellipse；
The handgrip part of the detection fuselage is ergonomics wave-like, facilitates user to grip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720333603.2U CN206573444U (en) | 2017-03-31 | 2017-03-31 | Based on optical unpowered dust detecting system and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720333603.2U CN206573444U (en) | 2017-03-31 | 2017-03-31 | Based on optical unpowered dust detecting system and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206573444U true CN206573444U (en) | 2017-10-20 |
Family
ID=60053469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201720333603.2U Active CN206573444U (en) | 2017-03-31 | 2017-03-31 | Based on optical unpowered dust detecting system and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959262A (en) * | 2017-03-31 | 2017-07-18 | 中煤科工集团重庆研究院有限公司 | Based on optical unpowered dust detecting system, device and detection method |
| CN107764708A (en) * | 2017-11-24 | 2018-03-06 | 武汉市普瑞思高科技有限公司 | A kind of vehicle-mounted laser PM2.5 sensors |
| CN108627107A (en) * | 2018-05-08 | 2018-10-09 | 中煤科工集团重庆研究院有限公司 | Dust thickness monitor device and method is deposited in pipeline |
| CN112014283A (en) * | 2020-08-27 | 2020-12-01 | 苏州亿利安机电科技有限公司 | Optical path system of direct-reading dust concentration measuring instrument |
| CN112014285A (en) * | 2020-08-27 | 2020-12-01 | 苏州亿利安机电科技有限公司 | Light path joint of direct-reading dust concentration measuring instrument |
-
2017
- 2017-03-31 CN CN201720333603.2U patent/CN206573444U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959262A (en) * | 2017-03-31 | 2017-07-18 | 中煤科工集团重庆研究院有限公司 | Based on optical unpowered dust detecting system, device and detection method |
| CN106959262B (en) * | 2017-03-31 | 2023-09-26 | 中煤科工集团重庆研究院有限公司 | Unpowered dust detection system, device and detection method based on optics |
| CN107764708A (en) * | 2017-11-24 | 2018-03-06 | 武汉市普瑞思高科技有限公司 | A kind of vehicle-mounted laser PM2.5 sensors |
| CN107764708B (en) * | 2017-11-24 | 2024-01-02 | 武汉市普瑞思高科技有限公司 | Vehicle-mounted laser PM2.5 sensor |
| CN108627107A (en) * | 2018-05-08 | 2018-10-09 | 中煤科工集团重庆研究院有限公司 | Dust thickness monitor device and method is deposited in pipeline |
| CN108627107B (en) * | 2018-05-08 | 2019-09-27 | 中煤科工集团重庆研究院有限公司 | Dust thickness monitor device and method is deposited in pipeline |
| CN112014283A (en) * | 2020-08-27 | 2020-12-01 | 苏州亿利安机电科技有限公司 | Optical path system of direct-reading dust concentration measuring instrument |
| CN112014285A (en) * | 2020-08-27 | 2020-12-01 | 苏州亿利安机电科技有限公司 | Light path joint of direct-reading dust concentration measuring instrument |
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