CN219608699U - Dust sensor - Google Patents
Dust sensor Download PDFInfo
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- CN219608699U CN219608699U CN202223595584.0U CN202223595584U CN219608699U CN 219608699 U CN219608699 U CN 219608699U CN 202223595584 U CN202223595584 U CN 202223595584U CN 219608699 U CN219608699 U CN 219608699U
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Abstract
The utility model relates to a dust sensor comprising: the flange plate assembly is used for connecting the pipeline on the first side of the flange plate assembly; the detection device is arranged on the second side of the flange plate assembly, and the detection device is provided with: the device comprises a collimating mirror arranged in the detecting device, a circuit board arranged on one side, far away from the flange plate component, of the detecting device, a laser tube connected to the circuit board and coaxial with the collimating mirror, an angle adjusting tube rotationally assembled in the detecting device, a caulking groove arranged in the angle adjusting tube, and a prism embedded in the caulking groove and positioned on the axis of the laser tube; and the light receiving pipe is embedded in the detection device. Through the arrangement, the detection of pipelines with different pipe diameters is realized, the detection position is the inner space of the pipeline, dust is not required to be discharged during detection, and leakage risks are avoided.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a dust sensor.
Background
The detection modes of the dust sensor mainly comprise dust concentration on-line measurement methods such as a capacitance method, a beta-ray method, a light scattering method, a triboelectric method, an ultrasonic method, a microwave method and the like, and the detection is generally carried out by adopting the light scattering method in the market at present, so that more existing products exist.
However, when detecting dust in a pipeline, for example, when detecting harmful dust which is inhaled by a fan and cannot be discharged randomly, under the condition that the discharged part of gas comes out to be detected, the dust has leakage risk and trouble of subsequent treatment, the traditional sensor cannot directly place a product in the inner space of the pipeline, otherwise, the sensor cannot output signals and the pipeline diameter is not adapted because of the shielding of the pipeline, and the condition that reflected light cannot be received is not caused, so that the functions of the part of the product are reduced to a certain extent.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a dust sensor which can effectively solve the technical problems.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a dust sensor, comprising:
the flange plate assembly is used for connecting the pipeline on the first side of the flange plate assembly;
the detection device is arranged on the second side of the flange plate assembly, and the detection device is provided with: the device comprises a collimating mirror arranged in the detecting device, a circuit board arranged on one side, far away from the flange plate component, of the detecting device, a laser tube connected to the circuit board and coaxial with the collimating mirror, an angle adjusting tube rotationally assembled in the detecting device, a caulking groove arranged in the angle adjusting tube, and a prism embedded in the caulking groove and positioned on the axis of the laser tube;
the light collecting tube is embedded in the detection device, and through holes for light to pass through are respectively formed in the axes of the light collecting tube and the laser tube by the detection device.
The technical scheme is realized, the shell can be installed on the pipeline for butt joint through the flange plate component and the flange bolt, the shell can be suitable for pipelines with different pipe diameters through changing flanges with different sizes, the shell is fixed with the flange plate through threaded connection, the thread glue in the shell can be smeared on the thread of the shell before screwing to increase stability and tightness, the laser pipe is used for emitting laser, the emitted laser is infrared light, the specific laser wavelength is 980nm, the laser emitted by the laser pipe is gathered through the collimating mirror to increase parallelism, then the laser is refracted through the prism, when the laser passes through the prism to refract and then enters the pipeline through the detection device, dust in the pipeline can generate scattering phenomenon of light under the irradiation of infrared laser, meanwhile, the reflected light enters the light collecting pipe, when the infrared laser is in the light collecting pipe, the light intensity is influenced by the scattering and absorption of the dust in the pipeline, the light intensity is attenuated, the light collecting pipe can reflect the infrared light passing through the relative attenuation rate in the pipeline, the relative concentration in the pipeline can be basically linearly reflected, the relative concentration in the pipeline, the electric signal and the light intensity can be converted into the relative attenuation rate through the collimating mirror, the angle can be further regulated by the angle of 60 degrees, the angle can be further regulated by the angle regulation of the optical axis, the angle regulation can be further formed by the angle regulation of the laser, the angle regulation device is turned on the side of the end part is further regulated by the angle regulation, the angle regulation device is opened by the angle regulation of the dust is further, the angle regulation is opened at the end of the angle is convenient to be 60, the control of the adjustment accuracy is facilitated.
As a preferable scheme of the utility model, the circuit board is electrically connected with the light receiving tube and the laser tube.
The technical scheme is realized, the laser tube can be controlled to be opened or closed, the electric signal of the light receiving tube is received, the circuit board is further provided with a digital tube for displaying data, and visual data can be directly displayed for detection personnel to observe.
As a preferred embodiment of the utility model, the second side of the flange is provided with a sealing assembly.
The technical scheme is realized and is used for forming a sealing environment for the detection mechanism, avoiding dust interference and increasing detection precision.
As a preferred aspect of the present utility model, the sealing assembly includes: the shell is in threaded connection in ring flange subassembly second side, lid locate the window lid of shell, window lid sealed be provided with the window, the shell is provided with the outlet.
According to the technical scheme, one side of the shell is connected with the window cover in a sealing mode, the other side of the shell is detachably connected with the flange plate in a sealing mode through threaded connection, sealing performance is improved through the threaded adhesive, and the threaded adhesive should be smeared during each installation.
As a preferable scheme of the utility model, a filter is arranged on one side of the light collecting pipe close to the pipeline, and the filter is embedded in the detection device and is coaxial with the light collecting pipe.
According to the technical scheme, stray light is filtered, the filter lens is adapted to the laser tube, 980nm light rays, especially natural light rays, can be filtered, the influence of light rays of other wave bands in the natural light rays on the photodiode in the final light receiving tube is avoided, and the data accuracy of final detection is improved.
In a preferred embodiment of the present utility model, a top thread is screwed to one side of the detection device, and an end of the top thread can abut against the angle adjusting tube.
According to the technical scheme, after the angle adjusting pipe is adjusted, the angle adjusting pipe is abutted and fixed through the jackscrew, so that looseness is prevented.
As a preferable scheme of the utility model, the detection device is embedded with a fixed sleeve, and the fixed sleeve is sleeved on the laser tube when being inserted.
The technical scheme is realized, and the stability of the laser tube is improved.
As a preferable scheme of the utility model, a screw column is arranged between the circuit board and the detection device, one end of the screw column is fixedly embedded in the detection device, the circuit board is provided with a first screw in a penetrating manner and is connected with the other end of the screw column in a threaded manner, and the detection device is detachably connected with the shell through a second screw.
The technical scheme is realized, so that the device is easy to detach and replace and overhauls.
In summary, the utility model has the following beneficial effects:
according to the dust sensor, the shell can be installed on the pipeline for butt joint through the flange plate assembly and the flange bolts, the flange with different sizes can be replaced to be suitable for pipelines with different pipe diameters, the shell is fixed with the flange plate through threaded connection, when laser is refracted through the prism and then enters the pipeline through the detection device, the laser can be influenced by scattering and absorption of dust in the pipeline, the relative attenuation rate can be obtained through measuring the electric signal, the concentration of dust in the pipeline can be measured, the prism can adjust the laser emission angle by rotating the angle adjusting pipe, the adjustment amplitude is 30-60 degrees, the end part of the angle adjusting pipe is provided with the strip-shaped groove, the rotation adjustment is convenient, of course, scales can be arranged on the periphery of the angle adjusting pipe on the detection device, the adjustment precision is convenient to control, the detection of the pipelines with different pipe diameters is realized, the detection position is the inner space of the pipeline, and the dust is not needed and can not be discharged during the detection, and the leakage risk is avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of the present utility model.
Fig. 2 is a perspective view of the present utility model.
Fig. 3 is an exploded view of another angle of the present utility model.
Fig. 4 is a schematic view of the position of the filter according to the present utility model.
Corresponding part names are indicated by numerals and letters in the drawings:
1. a window cover; 2. a flange plate; 3. a flange bolt; 4. a viewing window; 5. a housing; 6. a wire outlet; 7. a detection device; 8. a jackscrew; 9. a collimator lens; 10. a fixed sleeve; 11. a laser tube; 12. a first screw; 13. an angle adjusting tube; 14. a prism; 15. a light collecting pipe; 16. a screw column; 17. a circuit board; 18. a second screw; 19. a filter lens; 20. and (5) caulking grooves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-4, a dust sensor includes: the flange plate 2 assembly, the first side of the flange plate 2 assembly is used for communicating the pipeline;
the detection device 7 is arranged on the second side of the flange plate 2 assembly, and the detection device 7 is provided with: the device comprises a collimating mirror 9 arranged in a detection device 7, a circuit board 17 arranged on one side of the detection device 7 far away from a flange 2 component, a laser tube 11 connected to the circuit board 17 and coaxial with the collimating mirror 9, an angle adjusting tube 13 rotatably assembled on the detection device 7, a caulking groove 20 arranged on the angle adjusting tube 13, and a prism 14 embedded in the caulking groove 20 and positioned on the axis of the laser tube 11;
the light collecting tube 15 is embedded in the detection device 7, and through holes for light to pass through are respectively arranged on the axes of the light collecting tube 15 and the laser tube 11 of the detection device 7.
The circuit board 17 is electrically connected to the light receiving tube 15 and the laser tube 11, and can control the opening or closing of the laser tube 11 and receive the electric signal of the light receiving tube 15, and the circuit board 17 is further provided with a digital tube for displaying data on one side close to the window cover 1, so that visual data can be directly displayed for inspection personnel to observe.
Wherein, the second side of ring flange 2 is equipped with seal assembly for form sealing environment to detection mechanism, avoid the dust to disturb, increase detection precision.
Specifically, the seal assembly includes: the shell 5 of threaded connection in ring flange 2 subassembly second side, lid locate the window lid 1 of shell 5, window lid 1 sealed be provided with the window 4, shell 5 is provided with outlet 6, shell 5 one side and window lid 1 are sealed connection, shell 5 opposite side is through threaded connection detachable sealing connection in ring flange 2 to increase the leakproofness through the screw thread gluing, should paint the screw thread gluing when every installation, window 4 is glass or transparent plastic material.
The light receiving pipe 15 is close to one side of pipeline and is equipped with filter 19, and filter 19 inlays and locates detection device 7 and coaxial with light receiving pipe 15, filters parasitic light, and filter 19 adaptation is in laser pipe 11, can filter 980nm light in order to be, especially natural light, avoids the influence that light of other wave bands produced the photodiode of final light receiving pipe 15 inside in the natural light, increases the data accuracy of final detection, and outlet 6 is used for connecting the cable and carries out the circular telegram to detection device 7 and use.
One side threaded connection of detection device 7 has jackscrew 8, and the tip of jackscrew 8 can butt in angle adjusting tube 13, after adjusting angle adjusting tube 13, supports fixedly through jackscrew 8 angle adjusting tube 13, prevents not hard up.
The detection device 7 is embedded with the fixing sleeve 10, and the fixing sleeve 10 is sleeved on the laser tube when in plug connection, so that the stability of the laser tube 11 is improved.
Of course, the pipeline in this embodiment is a side channel of the main channel where the fan is located, and is connected with the main channel in a straight line to form a three-way pipe, in this embodiment, the outer end of the pipeline has no external opening, the inner end is communicated with the main channel, and specifically, the outer end is sealed by the flange 2 and the housing 5.
Be provided with screw post 16 between circuit board 17 and the detection device 7, the one end of screw post 16 is fixed to be inlayed and is located detection device 7, and circuit board 17 runs through and has first screw 12 and threaded connection in the other end of screw post 16, and detection device 7 passes through second screw 18 detachable to be connected in shell 5 for the device is dismantled and is changed easily, and overhauls.
During the use, can install the casing on the pipeline through ring flange 2 subassembly and flange bolt 3 and dock, can be applicable to the pipeline of different pipe diameters through changing the flange of equidimension, shell 5 passes through threaded connection and ring flange 2 and fixes, pass detection device 7 entering pipeline after laser passes through prism 14 refraction, can receive the influence of dust scattering and absorption in the pipeline, just can obtain relative decay rate through measuring the signal of telecommunication, and then just can survey the concentration of dust in the pipeline, through rotation angle adjusting tube 13, make prism 14 adjust the laser emission angle, the adjustment range is 30 ~ 60, thereby make the optical axis of laser emission axis and light receiving tube 15 intersect, the bar groove is seted up to angle adjusting tube 13's tip, be convenient for rotate the regulation, of course, can also set up the scale at angle adjusting tube 13's week side on detection device 7, be convenient for control the regulation precision, the pipeline of different pipe diameters is detected, and the detection position is the inner space of pipeline, the dust need not just can not discharge when detecting, no leakage risk.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A dust sensor, comprising:
the flange plate assembly is used for connecting the pipeline on the first side of the flange plate assembly;
the detection device is arranged on the second side of the flange plate assembly, and the detection device is provided with: the device comprises a collimating mirror arranged in the detecting device, a circuit board arranged on one side, far away from the flange plate component, of the detecting device, a laser tube connected to the circuit board and coaxial with the collimating mirror, an angle adjusting tube rotationally assembled in the detecting device, a caulking groove arranged in the angle adjusting tube, and a prism embedded in the caulking groove and positioned on the axis of the laser tube;
the light collecting tube is embedded in the detection device, and through holes for light to pass through are respectively formed in the axes of the light collecting tube and the laser tube by the detection device.
2. The dust sensor of claim 1, wherein the circuit board is electrically connected to the light receiving tube and the laser tube.
3. A dust sensor according to claim 1, wherein the second side of the flange is provided with a sealing assembly.
4. A dust sensor according to claim 3, wherein the sealing assembly comprises: the shell is in threaded connection in ring flange subassembly second side, lid locate the window lid of shell, window lid sealed be provided with the window, the shell is provided with the outlet.
5. The dust sensor of claim 1, wherein a filter is disposed on a side of the light collecting tube adjacent to the pipe, and the filter is embedded in the detecting device and is coaxial with the light collecting tube.
6. A dust sensor according to claim 1, characterized in that a screw thread is connected to one side of the detection device, the end of the screw thread being able to abut against the angle adjusting tube.
7. A dust sensor according to claim 1, characterized in that the detection device is embedded with a fixing sleeve, which is sleeved on the laser tube when inserted.
8. The dust sensor of claim 1, wherein a screw post is disposed between the circuit board and the detecting device, one end of the screw post is fixedly embedded in the detecting device, the circuit board is provided with a first screw in a penetrating manner and is in threaded connection with the other end of the screw post, and the detecting device is detachably connected to the housing through a second screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223595584.0U CN219608699U (en) | 2022-12-29 | 2022-12-29 | Dust sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223595584.0U CN219608699U (en) | 2022-12-29 | 2022-12-29 | Dust sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219608699U true CN219608699U (en) | 2023-08-29 |
Family
ID=87741821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223595584.0U Active CN219608699U (en) | 2022-12-29 | 2022-12-29 | Dust sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219608699U (en) |
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2022
- 2022-12-29 CN CN202223595584.0U patent/CN219608699U/en active Active
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