CN111545524A - Dust concentration sensor self-cleaning device - Google Patents
Dust concentration sensor self-cleaning device Download PDFInfo
- Publication number
- CN111545524A CN111545524A CN202010403366.9A CN202010403366A CN111545524A CN 111545524 A CN111545524 A CN 111545524A CN 202010403366 A CN202010403366 A CN 202010403366A CN 111545524 A CN111545524 A CN 111545524A
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- Prior art keywords
- concentration sensor
- dust concentration
- air
- cleaning device
- spiral
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- 239000000428 dust Substances 0.000 title claims abstract description 72
- 238000004140 cleaning Methods 0.000 title claims abstract description 43
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000007664 blowing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 83
- 238000004880 explosion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses an automatic cleaning device for a dust concentration sensor, which comprises an air inlet pipeline, an air suction device, an air outlet pipeline and two spiral air channels, wherein the two spiral air channels are sequentially connected, the two spiral air channels are respectively arranged on two sides of the air outlet pipeline along a first direction, the tail end of each spiral air channel is provided with an air outlet, and the air outlets of the two spiral air channels respectively correspond to a transmitting end and a receiving end of the dust concentration sensor. The automatic cleaning device for the dust concentration sensor can perform blowing cleaning on the transmitting end and the receiving end of the dust concentration sensor, so that the detection accuracy of the dust concentration sensor is ensured; in addition, the spiral air duct can also enable wind power to be gathered, and the cleaning effect is improved.
Description
Technical Field
The invention relates to the technical field of dust concentration detection, in particular to an automatic cleaning device for a dust concentration sensor.
Background
The dust explosion has the characteristics of extremely strong destructiveness, easy occurrence of multiple explosions and the like, and once the accidents occur, the casualties are easily caused, so that the dust explosion has great potential safety hazards.
The dust concentration sensor is an instrument for detecting the dust concentration, and the detection of the dust concentration is quite important in industry and is an important means for reducing the occurrence of dust explosion accidents. Generally, after dust concentration sensor worked for a certain time, inside can pile up a large amount of dusts, can seriously influence sensor laser emission and receiving element's sensitivity and detection precision, and some dust concentration sensor cleaning device that have now or the structure is complicated, and the cost is higher, or is difficult effectual to sensor laser emission and receiving element clean.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention aims to provide an automatic cleaning device for a dust concentration sensor, which aims to solve the problem of low detection precision caused by dust accumulated inside the dust concentration sensor in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a dust concentration sensor self-cleaning device, wherein, including the air inlet pipeline that connects gradually, the device that induced drafts, air-out pipeline and spiral wind channel, spiral wind channel be two, two the spiral wind channel is located respectively the air-out pipeline is along the both sides of first direction, spiral wind channel's end is provided with the air outlet, two the spiral wind channel the air outlet corresponds dust concentration sensor's transmitting terminal and receiving terminal respectively.
Optionally, filter screens are arranged in the air inlet pipeline and the air outlet pipeline.
Optionally, the spiral duct is tapered.
Optionally, a channel is arranged between the air outlets of the two spiral air ducts, and the channel is used for allowing the laser signal emitted by the emitting end of the dust concentration sensor to pass through.
Optionally, the air suction device includes:
a housing;
the motor is arranged on the shell;
the impeller is arranged in the shell and connected with the motor.
Optionally, the filter screen is a plurality of, and a plurality of filter screen setting is in the both ends of air inlet pipe way, and set up the both ends of air outlet pipe way.
Optionally, the front end of the air inlet pipeline is tapered and flares outwards.
Optionally, the front end of the air inlet pipeline is arranged in the upstream direction of the automatic dust concentration sensor cleaning device.
Optionally, the outer shell and the outer portion of the spiral air duct are provided with mounting holes, and the automatic dust concentration sensor cleaning device is connected with the shell of the dust concentration sensor through the mounting holes.
Optionally, the casing and the outside of the spiral duct are both provided with lugs, and the mounting holes are formed in the lugs.
The invention has the beneficial effects that: the automatic cleaning device for the dust concentration sensor can perform blowing cleaning on the transmitting end and the receiving end of the dust concentration sensor, so that the detection accuracy of the dust concentration sensor is ensured; the spiral air duct can also converge wind power, so that the cleaning effect is improved; the automatic cleaning device for the dust concentration sensor is simple in structure, low in cost and convenient to use.
Drawings
FIG. 1 is a schematic perspective view of an automatic cleaning device for a dust concentration sensor according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a spiral duct according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a spiral duct according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a spiral duct according to an embodiment of the present invention;
FIG. 5 is a side view of an automatic cleaning apparatus for a dust concentration sensor according to an embodiment of the present invention;
fig. 6 is a schematic view of the internal structure of the air suction device in the embodiment of the present invention.
In the figure:
100. the dust concentration sensor automatic cleaning device; 10. an air inlet pipeline; 20. an air suction device; 30. an air outlet pipeline; 40. a spiral duct; 50. a filter screen;
21. a housing; 22. a motor; 23. an impeller; 24. a lug; 41. an air outlet; 42. a channel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The invention provides an automatic cleaning device for a dust concentration sensor, and fig. 1 is a schematic three-dimensional structure diagram of the automatic cleaning device for the dust concentration sensor in the embodiment of the invention, as shown in fig. 1, the automatic cleaning device 100 for the dust concentration sensor comprises an air inlet pipeline 10, an air suction device 20, an air outlet pipeline 30 and a spiral air duct 40 which are sequentially connected, environmental air is sucked from the air inlet pipeline 10 by the air suction device 20, is conveyed into the spiral air duct 40 through the air outlet pipeline 30, and is blown to the dust concentration sensor through the spiral air duct 40. Please refer to fig. 1 to 4, two spiral air ducts 40 are provided, two spiral air ducts 40 are respectively disposed on two sides of the air outlet pipeline 30 along the first direction (front-back direction), that is, the two spiral air ducts 40 shown in fig. 1 are respectively disposed on the left and right sides of the air outlet pipeline 30, an air outlet 41 is disposed at the end of each spiral air duct 40, the air outlets 41 of the two spiral air ducts 40 respectively correspond to the transmitting end and the receiving end of the dust concentration sensor, so that the two air outlets 41 respectively aim at the transmitting end and the receiving end of the dust concentration sensor to blow air, the transmitting end and the receiving end are kept clean, dust accumulation at the transmitting end and the receiving end is avoided, and the detection precision is improved. In addition, blow to dust concentration sensor's transmitting terminal and receiving terminal through spiral wind channel 40, spiral wind channel 40 makes wind-force assemble, promotes the dynamics of blowing, promotes clean effect.
As shown in fig. 5, in order to clean the air blown from the air blowing port 41 to the dust concentration sensor, the filter screens 50 may be provided in both the air intake duct 10 and the air outlet duct 30, or the filter screen 50 may be provided in only one of the air intake duct 10 and the air outlet duct 30, which is not limited herein. The filter screen 50 is a dust filter screen for filtering dust in the pipeline, so that the wind blowing from the air outlet 41 to the dust concentration sensor is cleaner, and the transmitting end and the receiving end of the dust concentration sensor are better cleaned.
Referring to fig. 5, in one embodiment, the number of the filter screens 50 is several, and several filter screens 50 are disposed at two ends of the air inlet pipeline 10 and at two ends of the air outlet pipeline 30, so that the filter screens 50 are disposed at the inlet and the outlet of each pipeline, thereby improving the dust removing effect of the ambient air in the pipeline.
As shown in fig. 1, 3 and 4, the spiral duct 40 is tapered, so that the wind can be converged to the top of the taper, and strong wind is formed and blown out from the wind outlet 41.
Referring to fig. 1 and 4, a channel 42 is disposed between the air outlets 41 of the two spiral air ducts 40, the channel 42 is used for allowing a laser signal emitted by the emitting end of the dust concentration sensor to pass through, the emitting end and the receiving end of the dust concentration sensor are oppositely disposed, the emitting end emits the laser signal, and the receiving end receives the laser signal emitted by the emitting end to detect the dust concentration, and the air outlets 41 of the two spiral air ducts 40 are respectively aligned with the emitting end and the receiving end, that is, the spiral air ducts 40 are disposed between the emitting end and the receiving end, so that the channel 42 needs to be disposed between the air outlets 41 of the two spiral air ducts 40 to allow the laser signal to pass through, and the channel 42 is disposed in the spiral air duct 40 and penetrates through the air outlets 41 of the two spiral air ducts 40 to prevent the spiral air.
Fig. 6 is a schematic diagram of an internal structure of an air suction device in an embodiment of the present invention, and referring to fig. 1 and fig. 6, the air suction device 20 is a fan, and includes a housing 21, a motor 22, and an impeller 23. The motor 22 is provided on the housing 21, and in the embodiment shown in fig. 1, the motor 22 is provided in the left-right direction. As shown in fig. 6, the impeller 23 is provided in the casing 21 and connected to the motor 22, and a rotation surface of the impeller 23 is parallel to a plane in which the front-rear direction is located. The fan is used as the air suction device 20, so that the structure is simple, and the installation is convenient. In addition, the motor 22 is connected to a controller, a control program is stored in the controller, the control program is an automatic cleaning database of the automatic cleaning device 100 for the dust concentration sensor, the automatic cleaning database has recommended cleaning cycles with different dust concentrations, and a user can select a cleaning cycle suitable for the user or set an automatic cleaning cycle according to actual conditions.
Referring to fig. 1, the front end of the air inlet pipe 10 is tapered to be opened outward, so that the air inlet amount can be increased. But the air inlet is not limited to be conical, and the air inlet can be increased by only an opening which is opened outwards.
In addition, the front end of the air inlet pipeline 10 is arranged at the upwind direction of the automatic dust concentration sensor cleaning device 100, so that the air outlet 41 of the spiral air duct 40 is positioned at the downwind direction, the environmental air is filtered layer by the filter screen 50, the air outlet 41 can blow clean air, and the air blown by the air outlet 41 to the transmitting end and the receiving end is prevented from containing dust.
Referring to fig. 1, the housing 21 of the air suction device 20 and the outside of the spiral duct 40 are provided with mounting holes, through which the automatic cleaning device 100 for dust concentration sensor is connected to the housing of the dust concentration sensor. Since the rigidity of the air inlet pipe 10 and the air outlet pipe 30 is inferior to the rigidity of the air suction device 20 and the spiral duct 40, the whole automatic dust concentration sensor cleaning device 100 is installed through the air suction device 20 and the spiral duct 40, and the air suction device 20 and the spiral duct 40 are provided with installation holes.
Further, with reference to fig. 1, the housing 21 of the air suction device 20 and the exterior of the spiral duct 40 are provided with lugs 24, and the mounting holes are provided on the lugs 24. The four lugs 24 are respectively arranged at the upper end and the lower end of the shell 21 and the upper end and the lower end of the spiral air duct 40, so as to improve the installation stability and the supporting strength.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a dust concentration sensor self-cleaning device, its characterized in that, is including air inlet pipeline (10), the device (20) that induced drafts that connect gradually, air-out pipeline (30) and spiral wind channel (40), spiral wind channel (40) are two, two spiral wind channel (40) are located respectively air-out pipeline (30) are along the both sides of first direction, the end of spiral wind channel (40) is provided with air outlet (41), two spiral wind channel (40) air outlet (41) correspond dust concentration sensor's transmitting terminal and receiving terminal respectively.
2. The automatic cleaning device for the dust concentration sensor according to claim 1, wherein a filter screen (50) is arranged in each of the air inlet pipeline (10) and the air outlet pipeline (30).
3. The automatic cleaning device for a dust concentration sensor according to claim 1, wherein the spiral air duct (40) is tapered.
4. The automatic cleaning device for the dust concentration sensor according to claim 1, wherein a channel (42) is arranged between the air outlets (41) of the two spiral air ducts (40), and the channel (42) is used for allowing a laser signal emitted by the emitting end of the dust concentration sensor to pass through.
5. The automatic cleaning device for dust concentration sensor according to claim 1, wherein the air suction device (20) comprises:
a housing (21);
a motor (22) provided on the housing (21);
and the impeller (23) is arranged in the shell (21) and is connected with the motor (22).
6. The automatic cleaning device for the dust concentration sensor according to claim 2, wherein the number of the filter screens (50) is several, and the several filter screens (50) are arranged at two ends of the air inlet pipeline (10) and at two ends of the air outlet pipeline (30).
7. The automatic cleaning device for a dust concentration sensor according to claim 1, wherein the front end of the air inlet pipe (10) is tapered to be flared.
8. The automatic cleaning device for dust concentration sensor according to claim 1, wherein the front end of the air inlet pipe (10) is arranged in the upstream direction of the automatic cleaning device for dust concentration sensor.
9. The automatic cleaning device for the dust concentration sensor according to claim 5, wherein mounting holes are formed in the housing (21) and outside the spiral air duct (40), and the automatic cleaning device for the dust concentration sensor is connected with a housing of the dust concentration sensor through the mounting holes.
10. The automatic cleaning device for the dust concentration sensor according to claim 9, wherein a lug (24) is arranged on the housing (21) and outside the spiral air duct (40), and the mounting hole is arranged on the lug (24).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010403366.9A CN111545524B (en) | 2020-05-13 | 2020-05-13 | Automatic cleaning device for dust concentration sensor |
Applications Claiming Priority (1)
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CN202010403366.9A CN111545524B (en) | 2020-05-13 | 2020-05-13 | Automatic cleaning device for dust concentration sensor |
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CN111545524A true CN111545524A (en) | 2020-08-18 |
CN111545524B CN111545524B (en) | 2023-05-12 |
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CN202010403366.9A Active CN111545524B (en) | 2020-05-13 | 2020-05-13 | Automatic cleaning device for dust concentration sensor |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104165833A (en) * | 2014-09-01 | 2014-11-26 | 天津工业大学 | Device and method for detecting port dust pollution level |
CN204064857U (en) * | 2014-08-20 | 2014-12-31 | 中国神华能源股份有限公司 | A kind of powder concentration measurement equipment and dust pelletizing system |
CN206223610U (en) * | 2016-11-29 | 2017-06-06 | 福州大学 | Work places dust control system |
CN207456875U (en) * | 2017-10-31 | 2018-06-05 | 重庆美高科技有限公司 | For the cleaning device of mining dust sampler |
CN109406360A (en) * | 2018-12-27 | 2019-03-01 | 常熟市德虞矿山机电有限公司 | A kind of sensor of dust concentration detection device |
CN109441856A (en) * | 2018-10-22 | 2019-03-08 | 江苏中远环保科技有限公司 | A kind of dedicated cleaning blower of dust pollution |
US20190195766A1 (en) * | 2017-12-22 | 2019-06-27 | Hitachi-Lg Data Storage Korea, Inc. | Dust sensor |
CN209772828U (en) * | 2019-03-21 | 2019-12-13 | 惠州市正胜精工科技有限公司 | PP piece surface dust detects and cleaning device |
CN212310291U (en) * | 2020-05-13 | 2021-01-08 | 中国安全生产科学研究院 | Dust concentration sensor self-cleaning device |
-
2020
- 2020-05-13 CN CN202010403366.9A patent/CN111545524B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204064857U (en) * | 2014-08-20 | 2014-12-31 | 中国神华能源股份有限公司 | A kind of powder concentration measurement equipment and dust pelletizing system |
CN104165833A (en) * | 2014-09-01 | 2014-11-26 | 天津工业大学 | Device and method for detecting port dust pollution level |
CN206223610U (en) * | 2016-11-29 | 2017-06-06 | 福州大学 | Work places dust control system |
CN207456875U (en) * | 2017-10-31 | 2018-06-05 | 重庆美高科技有限公司 | For the cleaning device of mining dust sampler |
US20190195766A1 (en) * | 2017-12-22 | 2019-06-27 | Hitachi-Lg Data Storage Korea, Inc. | Dust sensor |
CN109441856A (en) * | 2018-10-22 | 2019-03-08 | 江苏中远环保科技有限公司 | A kind of dedicated cleaning blower of dust pollution |
CN109406360A (en) * | 2018-12-27 | 2019-03-01 | 常熟市德虞矿山机电有限公司 | A kind of sensor of dust concentration detection device |
CN209772828U (en) * | 2019-03-21 | 2019-12-13 | 惠州市正胜精工科技有限公司 | PP piece surface dust detects and cleaning device |
CN212310291U (en) * | 2020-05-13 | 2021-01-08 | 中国安全生产科学研究院 | Dust concentration sensor self-cleaning device |
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