CN111545524B - Automatic cleaning device for dust concentration sensor - Google Patents
Automatic cleaning device for dust concentration sensor Download PDFInfo
- Publication number
- CN111545524B CN111545524B CN202010403366.9A CN202010403366A CN111545524B CN 111545524 B CN111545524 B CN 111545524B CN 202010403366 A CN202010403366 A CN 202010403366A CN 111545524 B CN111545524 B CN 111545524B
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- China
- Prior art keywords
- dust concentration
- concentration sensor
- air
- spiral
- air outlet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
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- 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
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- 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
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- 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
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- 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
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 which are sequentially connected, wherein the two spiral air channels are respectively arranged on two sides of the air outlet pipeline along a first direction, the tail ends of the spiral air channels are provided with air outlets, 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 clean the emission end and the receiving end of the dust concentration sensor by blowing, and ensure the detection accuracy of the dust concentration sensor; in addition, the spiral air duct can enable wind power to converge, 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 such accidents occur, the dust explosion is extremely easy to cause casualties, and has extremely large potential safety hazard.
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 the dust concentration sensor works for a certain time, a large amount of dust can be accumulated in the dust concentration sensor, the sensitivity and the detection precision of the sensor laser transmitting and receiving unit can be seriously affected, and the existing dust concentration sensor cleaning devices are complex in structure and high in cost, or the sensor laser transmitting and receiving unit is difficult to clean effectively.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
The invention aims to provide an automatic cleaning device for a dust concentration sensor, which is used for solving the problem of low detection precision caused by dust accumulation in the dust concentration sensor in the prior art.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a dust concentration sensor self-cleaning device, wherein, includes air inlet pipeline, induced draft device, air-out pipeline and the spiral wind channel that connects gradually, the spiral wind channel is two, two the spiral wind channel is located respectively the both sides of air-out pipeline along the first direction, the end of spiral wind channel is provided with the air outlet, two the air outlet of spiral wind channel corresponds dust concentration sensor's transmitting end and receiving terminal respectively.
Optionally, filter screens are arranged in the air inlet pipeline and the air outlet pipeline.
Optionally, the spiral duct is conical.
Optionally, a channel is arranged between the air outlets of the two spiral air channels, and the channel is used for allowing laser signals 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 is connected with the motor.
Optionally, the filter screen is a plurality of, and a plurality of filter screen sets up the both ends of air inlet pipeline to and set up the both ends of air-out pipeline.
Optionally, the front end of the air inlet pipeline is outwards opened in a conical shape.
Optionally, the front end of the air inlet pipeline is arranged on the upwind direction of the automatic dust concentration sensor cleaning device.
Optionally, the outer casing and the outside of the spiral air duct are both provided with mounting holes, and the dust concentration sensor automatic cleaning device is connected with the shell of the dust concentration sensor through the mounting holes.
Optionally, lugs are disposed on the outer shell and outside the spiral duct, and the mounting holes are disposed on the lugs.
The beneficial effects of the invention are as follows: the automatic cleaning device for the dust concentration sensor can clean the emission end and the receiving end of the dust concentration sensor by blowing, and ensure the detection accuracy of the dust concentration sensor; the spiral air duct can also enable wind power to converge, so that the cleaning effect is improved; the automatic cleaning device for the dust concentration sensor has the advantages of simple structure, low cost and convenient use.
Drawings
FIG. 1 is a schematic perspective view of an automatic cleaning device for 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 a dust concentration sensor automatic cleaning apparatus in an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating an internal structure of an air suction device according to an embodiment of the present invention.
In the figure:
100. an automatic cleaning device for the dust concentration sensor; 10. an air inlet pipeline; 20. an air suction device; 30. an air outlet pipeline; 40. a spiral air 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 invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
The invention provides an automatic cleaning device for a dust concentration sensor, and fig. 1 is a schematic perspective view 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, and ambient air is sucked by the air suction device 20 from the air inlet pipeline 10 and conveyed into the spiral air duct 40 through the air outlet pipeline 30, and then blown to the dust concentration sensor through the spiral air duct 40. As shown in fig. 1 to 4, two spiral air channels 40 are respectively arranged on two sides of the air outlet pipe 30 along the first direction (front-rear direction), that is, the two spiral air channels 40 shown in fig. 1 are respectively arranged on the left and right sides of the air outlet pipe 30, the tail ends of the spiral air channels 40 are provided with air outlets 41, the air outlets 41 of the two spiral air channels 40 respectively correspond to the emitting end and the receiving end of the dust concentration sensor, so that the two air outlets 41 respectively aim at the emitting end and the receiving end of the dust concentration sensor to blow air, the emitting end and the receiving end are kept clean, dust accumulation at the emitting end and the receiving end is avoided, and therefore detection precision is improved. In addition, wind is blown to the transmitting end and the receiving end of the dust concentration sensor through the spiral air duct 40, the spiral air duct 40 enables wind power to converge, the blowing force is improved, and the cleaning effect is improved.
As shown in fig. 5, in order to make the air blown from the air blowing port 41 to the dust concentration sensor cleaner, the filter screen 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 thereto. The filter screen 50 is a dust filter screen for filtering dust in the pipeline, so that wind blown from the air outlet 41 to the dust concentration sensor is cleaner, and the emitting end and the receiving end of the dust concentration sensor are better cleaned.
With continued reference to fig. 5, in one embodiment, the number of 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 outlet of each pipeline, and the dust removing effect of the ambient air in the pipeline is improved.
As shown in fig. 1, 3 and 4, the spiral duct 40 is tapered, so that wind can be well converged at the cone top, and strong wind is formed to blow out from the air outlet 41.
Referring to fig. 1 and 4, a channel 42 is disposed between the air outlets 41 of the two spiral air channels 40, the channel 42 is used for passing laser signals emitted by the emitting end of the dust concentration sensor, the emitting end and the receiving end of the dust concentration sensor are disposed opposite to each other, the emitting end emits laser signals, the receiving end receives laser signals emitted by the emitting end to realize detection of dust concentration, and the air outlets 41 of the two spiral air channels 40 are aligned to the emitting end and the receiving end respectively, that is, the spiral air channels 40 are disposed between the emitting end and the receiving end, so that a channel 42 is required to be disposed between the air outlets 41 of the two spiral air channels 40 for passing laser signals, the channel 42 is disposed in the spiral air channels 40, and penetrates the air outlets 41 of the two spiral air channels 40 to avoid blocking the laser signals by the spiral air channels 40.
Fig. 6 is a schematic diagram of an internal structure of an air suction device according to an embodiment of the present invention, and referring to fig. 1 and 6, an 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 housing 21 and connected to the motor 22, and the rotation surface of the impeller 23 is parallel to the plane in the front-rear direction. The use of a blower as the suction device 20 is simple in structure and convenient in installation. In addition, the motor 22 is connected with a controller, and a control program is stored in the controller, wherein the control program is an automatic cleaning database of the automatic cleaning device 100 of the dust concentration sensor, and the automatic cleaning database is provided with cleaning periods recommended by different dust concentrations, so that a user can select the cleaning period suitable for the user or set the automatic cleaning period according to actual conditions.
Referring to fig. 1, the front end of the air inlet pipe 10 is tapered to be opened outwards, so as to increase the air inlet. However, the shape is not limited to a taper, and the air intake rate may be increased by opening the opening to the outside.
In addition, the front end of the air inlet pipeline 10 is disposed in 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 located in the downwind direction, and the ambient air is filtered layer by the filter screen 50, so that the air outlet 41 blows clean air, and the air blown to the transmitting end and the receiving end by the air outlet 41 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 dust concentration sensor automatic cleaning device 100 is connected with the housing of the dust concentration sensor. Since the rigidity of the air inlet duct 10 and the air outlet duct 30 is poor with respect to the rigidity of the air suction device 20 and the spiral duct 40, the installation of the entire dust concentration sensor automatic cleaning device 100 is achieved through the air suction device 20 and the spiral duct 40, and the installation holes are provided on the air suction device 20 and the spiral duct 40.
Further, referring to fig. 1, the housing 21 of the air suction device 20 and the outside of the spiral duct 40 are provided with lugs 24, and the mounting holes are formed on the lugs 24. Four lugs 24 are provided at the upper and lower ends of the housing 21 and the upper and lower ends of the spiral duct 40, respectively, to improve installation stability and supporting strength.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (8)
1. The utility model provides a dust concentration sensor self-cleaning device, its characterized in that, including air inlet pipeline (10), induced draft device (20), air-out pipeline (30) and spiral wind channel (40) that connect gradually, spiral wind channel (40) are two, two spiral wind channel (40) are located respectively the left and right sides of air-out pipeline (30), the end of spiral wind channel (40) is provided with air outlet (41), two air outlet (41) of spiral wind channel (40) correspond dust concentration sensor's transmitting end and receiving end respectively for two air outlet (41) are aimed at respectively dust concentration sensor's transmitting end with the receiving end is bloied, two spiral wind channel (40) are the toper, two be provided with passageway (42) between air outlet (41) of spiral wind channel (40), passageway (42) are used for supplying dust concentration sensor's laser signal of transmitting end passes through.
2. The automatic dust concentration sensor cleaning apparatus according to claim 1, wherein a filter screen (50) is provided in both the air inlet pipe (10) and the air outlet pipe (30).
3. The automatic cleaning device for dust concentration sensors according to claim 1, wherein the air suction device (20) comprises:
a housing (21);
a motor (22) provided on the housing (21);
and an impeller (23) provided in the housing (21) and connected to the motor (22).
4. The automatic dust concentration sensor cleaning apparatus according to claim 2, wherein the number of the filter screens (50) is several, and the filter screens (50) are provided at both ends of the air inlet pipe (10) and at both ends of the air outlet pipe (30).
5. The automatic dust concentration sensor cleaning apparatus according to claim 1, wherein the front end of the air intake pipe (10) is tapered to be opened outward.
6. The automatic dust concentration sensor cleaning apparatus according to claim 1, wherein the front end of the air intake pipe (10) is provided in a upwind direction of the automatic dust concentration sensor cleaning apparatus.
7. A dust concentration sensor automatic cleaning apparatus according to claim 3, wherein mounting holes are provided on the housing (21) and outside of the spiral duct (40), through which the dust concentration sensor automatic cleaning apparatus is connected with the housing of the dust concentration sensor.
8. The automatic dust concentration sensor cleaning apparatus according to claim 7, wherein lugs (24) are provided on both the housing (21) and the outside of the spiral duct (40), and the mounting hole is provided on the lugs (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010403366.9A CN111545524B (en) | 2020-05-13 | 2020-05-13 | Automatic cleaning device for dust concentration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010403366.9A CN111545524B (en) | 2020-05-13 | 2020-05-13 | Automatic cleaning device for dust concentration sensor |
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| Publication Number | Publication Date |
|---|---|
| CN111545524A CN111545524A (en) | 2020-08-18 |
| CN111545524B true CN111545524B (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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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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| CN (1) | CN111545524B (en) |
Family Cites Families (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 |
| KR102392601B1 (en) * | 2017-12-22 | 2022-05-02 | 주식회사 히타치엘지 데이터 스토리지 코리아 | 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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2020
- 2020-05-13 CN CN202010403366.9A patent/CN111545524B/en active Active
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| CN111545524A (en) | 2020-08-18 |
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