CN221445771U - Dust detector - Google Patents
Dust detector Download PDFInfo
- Publication number
- CN221445771U CN221445771U CN202323421977.4U CN202323421977U CN221445771U CN 221445771 U CN221445771 U CN 221445771U CN 202323421977 U CN202323421977 U CN 202323421977U CN 221445771 U CN221445771 U CN 221445771U
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- CN
- China
- Prior art keywords
- heat insulation
- insulation shell
- dust detector
- lens
- dust
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- 239000000428 dust Substances 0.000 title claims description 49
- 238000009413 insulation Methods 0.000 claims description 72
- 238000004140 cleaning Methods 0.000 claims description 20
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model belongs to the technical field of accessories of dust detectors, and particularly relates to a dust detector. The utility model provides a dust detector, which aims to solve the problems that the dust detector is difficult to clean dust and has low heat dissipation efficiency in the prior art. The dust detector comprises a gas chamber and a laser component arranged on one side of the gas chamber, wherein the laser component comprises a heat insulation shell, and a heat insulation ring is arranged between the heat insulation shell and the gas chamber; the laser assembly further comprises a lens, the lens is inserted into the heat insulation shell, a cleaning air hole is further formed in the heat insulation shell, and an air flow guide is arranged in the heat insulation shell. Through setting up the heat-proof ring, heat can distribute away rapidly to dust detector's radiating efficiency has been improved. By forming an air film on one side of the lens, dust is not easily attached to the lens, so that the dust detector is easy to clean.
Description
Technical Field
The utility model belongs to the technical field of accessories of dust detectors, and particularly relates to a dust detector.
Background
The dust detector realizes the monitoring of dust and other particulate matters in the air through the laser control of a microcomputer, and along with the development of environmental protection industry, people have higher standards and higher requirements on the quality of the air. The application of dust monitor is also more and more widespread, and the principle of laser scattering is mainly adopted in the existing dust monitor.
Dust detector among the prior art is unreasonable in structure, and the dust easily adheres to on the lens of laser instrument subassembly in the actual testing process, causes the detection precision to descend. Meanwhile, the dust detector in the prior art has poor heat dissipation performance.
Disclosure of utility model
The utility model provides a dust detector, which aims to solve the problems that the dust detector is difficult to clean dust and has low heat dissipation efficiency in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the dust detector comprises a gas chamber and a laser component arranged on one side of the gas chamber, wherein the laser component comprises a heat insulation shell and a laser body, a heat insulation ring is arranged between the heat insulation shell and the gas chamber, and a heat dissipation gap is arranged between the laser body and the heat insulation shell;
the laser assembly further comprises a lens, the lens is inserted into the heat insulation shell, a cleaning air hole is further formed in the heat insulation shell, an air flow guide is arranged in the heat insulation shell, and the air flow guide enables air entering the cleaning air hole to form an air film for preventing dust from adhering to the lens.
The further improved scheme is as follows: the heat insulation shell is fixed on one side of the air chamber through screws.
Based on the technical scheme: the heat insulation shell is connected with the air chamber through screws, and after one of the laser component or the air chamber is damaged, the whole dust detector can be conveniently and independently replaced without replacing the whole dust detector, so that the dust detector is easy to maintain.
The further improved scheme is as follows: the heat insulation shell and the heat insulation ring are respectively provided with a through hole matched with the screw, the air chamber is provided with a screw hole matched with the screw, and the screw sequentially penetrates through the through hole in the heat insulation shell, the through hole in the heat insulation ring and the screw hole.
Based on the technical scheme: the screw can also fix the heat insulation ring while playing a role in connecting the air chamber and the laser component, so that the heat insulation ring can be effectively fixed, and the heat insulation ring is prevented from being separated from the heat insulation shell or the chamber body.
The further improved scheme is as follows: the laser body is fixed on the heat insulation shell through a connecting screw, a sleeve is further sleeved on the connecting screw, a hole body matched with the sleeve is formed in the heat insulation shell, and a part of the sleeve is located in the hole body.
Based on the technical scheme: through setting up the sleeve, the heat on the insulating housing is difficult for conducting to connecting screw to make the heat dissipation clearance have better heat dispersion, the heat that the air chamber produced is difficult for conducting to the laser instrument body through connecting screw.
The further improved scheme is as follows: the lens is inserted on the heat insulation shell through the lens seat, and a slot matched with the lens seat is formed in the heat insulation shell.
Based on the technical scheme: by arranging the lens base, the lens is easy to fix with the heat insulation shell. Thereby the lens can be conveniently pulled out of the heat insulation shell for cleaning.
The further improved scheme is as follows: the mirror base is provided with a handle which is convenient for operating the mirror base, and the handle and the mirror base are of an integrated structure.
Based on the technical scheme: through setting up the handle, further make the mirror seat easily take out from the insulating housing, the lens is easily taken out and is cleaned.
The further improved scheme is as follows: the cleaning air hole is arranged at the lower side of the heat insulation shell.
Based on the technical scheme: dust is not easy to enter when cleaning the air holes.
The further improved scheme is as follows: the inserting direction of the lens seat inserted on the heat insulation shell is perpendicular to the axis of the cleaning air hole.
Based on the technical scheme: the dust moves downwards under the action of gravity, and the dust is not easy to attach to the lens base when moving downwards, so that the dust is not easy to attach to the lens.
The further improved scheme is as follows: the air chamber comprises a chamber body and a cover body covering the chamber body, wherein the cover body is fixed on the chamber body through a fixing screw, a calibration block is further arranged on the chamber body, at least one part of the calibration block is positioned in the chamber body, and the calibration block is inserted on the chamber body.
Based on the technical scheme: through setting up the lid, can conveniently open the lid and clean the air chamber, and need not pull down whole air chamber and clean, dust detector easily cleans.
The further improved scheme is as follows: the room body is provided with the apron that prevents the demarcation piece rocks, the apron passes through the screw fixation on the room body, one of them terminal surface of demarcation piece with the apron is contradicted.
Based on the technical scheme: through setting up the apron, apron and one of them terminal surface conflict of demarcation piece, demarcation piece is the face contact with the apron to can prevent that demarcation piece from rocking, demarcation piece has better position accuracy.
The beneficial effects of the utility model are as follows:
The heat generated in the working process of the air chamber is conducted to the heat insulation ring, and the heat insulation ring can rapidly dissipate the heat, so that the heat on the heat insulation ring is not easy to conduct to the laser component. Meanwhile, the laser assembly comprises a heat insulation shell, the heat insulation shell mainly plays a heat insulation function, heat cannot easily enter the laser body, and electronic elements inside the laser body are not easy to damage.
When the air flow is blown into the heat insulation shell through the cleaning air hole, the air flow is guided by the air flow guide to form an air film, and the air film is not directly blown to the lens, but forms an air film for isolating dust between the lens and the air chamber, so that the dust is not easy to adhere to the lens.
Through setting up the heat-proof ring, heat can distribute away rapidly to dust detector's radiating efficiency has been improved. By forming an air film on one side of the lens, dust is not easily attached to the lens, so that the dust detector is easy to clean.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for the users of the art.
Fig. 1 is a schematic diagram of a dust detector.
Fig. 2 is an exploded view of a dust detector in a first direction.
Fig. 3 is an exploded view of a dust detector in a second direction.
Fig. 4 is a schematic view of the internal structure of a dust detector.
The reference numerals in the figures illustrate:
1-an air chamber; 11-a chamber body; 12-a cover; 13-fixing screws; a 2-laser assembly; 21-an insulating housing; 22-a lens; 23-cleaning air holes; 24-an airflow director; 25-lens base; 26-handle; 27-a slot; 3-an insulating ring; 4-connecting screws; 41-sleeve; 50-a laser body; 51-heat dissipation gap; 52-a base; 60-calibrating blocks; 61-cover plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be obtained by the user of the field without creative efforts, are included in the protection scope of the present utility model based on the embodiments of the present utility model.
Embodiment one:
Referring to fig. 1 to 4, a dust detector comprises a gas chamber 1 and a laser assembly 2 arranged at one side of the gas chamber 1, wherein the laser assembly 2 comprises a heat insulation shell 21 and a laser body 50, a heat insulation ring 3 is arranged between the heat insulation shell 21 and the gas chamber 1, and a heat dissipation gap 51 is arranged between the laser body 50 and the heat insulation shell 21;
The laser assembly 2 further comprises a lens 22, the lens 22 is inserted into the heat insulation shell 21, a cleaning air hole 23 is further formed in the heat insulation shell 21, an air flow guide 24 is arranged in the heat insulation shell 21, and the air flow guide 24 enables air entering the cleaning air hole 23 to form an air film for preventing dust from adhering to the lens 22.
The air flow guide 24 may be a circular air flow channel, and the air film can be formed after the cleaning air hole 23 enters the air flow and is guided by the circular air flow channel.
The annular airflow channel may include an inner wall of the heat insulating housing 21 and a cone disposed in the heat insulating housing 21, and an annular airflow channel is formed between the heat insulating housing 21 and the cone.
The laser body 50 is fixed to the heat insulating housing 21 by a base 52. The base 52 may be made of glass fiber reinforced plastic.
Both the insulating housing 21 and the insulating ring 3 may be made of plastic.
Embodiment two:
Referring to fig. 1 to 4, in order to provide better connection between the chamber 11 and the laser assembly 2, the above embodiments are based on: the heat insulating housing 21 is fixed to one side of the air chamber 1 by screws.
The heat insulation shell 21 and the heat insulation ring 3 are respectively provided with a through hole matched with the screw, the air chamber 1 is provided with a screw hole matched with the screw, and the screw sequentially penetrates through the through hole in the heat insulation shell 21 and the through hole in the heat insulation ring 3 to be matched with the screw hole.
Embodiment III:
Referring to fig. 1-4, in order to facilitate cleaning of the lens 22, the embodiments described above are based on: the laser body 50 is fixed on the heat insulation shell 21 through a connecting screw 4, a sleeve 41 is further sleeved on the screw, a hole body matched with the sleeve 41 is formed in the heat insulation shell 21, and a part of the sleeve 41 is located in the hole body. The connection screw 4 may be provided on the base 52.
The lens 22 is inserted into the heat insulation shell 21 through a lens seat 25, and a slot 27 matched with the lens seat 25 is arranged on the heat insulation shell 21.
The mirror seat 25 is provided with a handle 26 which is convenient for operating the mirror seat 25, and the handle 26 and the mirror seat 25 are of an integrated structure.
The cleaning air hole 23 is provided at the lower side of the heat insulating housing 21.
The plugging direction of the lens seat 25 plugged on the heat insulation shell 21 is perpendicular to the axis of the cleaning air hole 23.
Embodiment four:
Referring to fig. 1 to 4, in order to facilitate cleaning of the air chamber 1, the above embodiment is based on: the air chamber 1 comprises a chamber body 11 and a cover body 12 covering the chamber body 11, wherein the cover body 12 is fixed on the chamber body 11 through a fixing screw 13. The chamber body 11 is further provided with a calibration block 60, at least a part of the calibration block 60 is located in the chamber body 11, and the calibration block 60 is inserted into the chamber body 11.
The chamber body 11 is provided with a cover plate 61 for preventing the calibration block 60 from shaking, the cover plate 61 is fixed on the chamber body 11 through screws, and one end face of the calibration block 60 is abutted against the cover plate 61.
The dust detector provided by the utility model is further described below by combining the working principle:
The heat generated in the working process of the air chamber 1 is conducted to the heat insulation ring 3, and the heat insulation ring 3 can rapidly dissipate the heat, so that the heat on the heat insulation ring 3 is not easily conducted to the laser body 50. Meanwhile, the laser assembly 2 comprises the heat insulation shell 21, the heat insulation shell 21 mainly plays a heat insulation function, heat cannot easily enter the laser body 50, and electronic elements in the laser body 50 are not easy to damage.
When the air flow is blown into the heat insulating housing 21 through the cleaning air holes 23, the air flow is guided by the air flow guide 24 to form an air film, and the air film is not directly blown to the lens 22, but forms an air film for isolating dust between the lens 22 and the air chamber 1, so that dust is not easily attached to the lens 22.
The utility model is not limited to the above-mentioned alternative embodiments, on the premise of not contradicting each other, can combine arbitrarily between every scheme; any person who is in the light of the present utility model can obtain other products in various forms, however, any changes in shape or structure are within the scope of the present utility model as defined by the claims.
Claims (10)
1. A dust detector, characterized by: the laser device comprises an air chamber and a laser device assembly arranged on one side of the air chamber, wherein the laser device assembly comprises a heat insulation shell and a laser device body, a heat insulation ring is arranged between the heat insulation shell and the air chamber, and a heat dissipation gap is arranged between the laser device body and the heat insulation shell;
the laser assembly further comprises a lens, the lens is inserted into the heat insulation shell, a cleaning air hole is further formed in the heat insulation shell, an air flow guide is arranged in the heat insulation shell, and the air flow guide enables air entering the cleaning air hole to form an air film for preventing dust from adhering to the lens.
2. A dust detector according to claim 1, wherein: the heat insulation shell is fixed on one side of the air chamber through screws.
3. A dust detector according to claim 2, characterized in that: the heat insulation shell and the heat insulation ring are respectively provided with a through hole matched with the screw, the air chamber is provided with a screw hole matched with the screw, and the screw sequentially penetrates through the through hole in the heat insulation shell, the through hole in the heat insulation ring and the screw hole.
4. A dust detector according to claim 3, characterized in that: the laser body is fixed on the heat insulation shell through a connecting screw, a sleeve is further sleeved on the connecting screw, a hole body matched with the sleeve is formed in the heat insulation shell, and a part of the sleeve is located in the hole body.
5. A dust detector as set forth in claim 4, wherein: the lens is inserted on the heat insulation shell through the lens seat, and a slot matched with the lens seat is formed in the heat insulation shell.
6. A dust detector according to claim 5, wherein: the mirror base is provided with a handle which is convenient for operating the mirror base, and the handle and the mirror base are of an integrated structure.
7. A dust detector according to claim 6, wherein: the cleaning air hole is arranged at the lower side of the heat insulation shell.
8. A dust detector according to claim 7, wherein: the inserting direction of the lens seat inserted on the heat insulation shell is perpendicular to the axis of the cleaning air hole.
9. A dust detector according to claim 1, wherein: the air chamber comprises a chamber body and a cover body covering the chamber body, wherein the cover body is fixed on the chamber body through a fixing screw, a calibration block is further arranged on the chamber body, at least one part of the calibration block is positioned in the chamber body, and the calibration block is inserted on the chamber body.
10. A dust detector according to claim 9, wherein: the room body is provided with the apron that prevents the demarcation piece rocks, the apron passes through the screw fixation on the room body, one of them terminal surface of demarcation piece with the apron is contradicted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323421977.4U CN221445771U (en) | 2023-12-14 | 2023-12-14 | Dust detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323421977.4U CN221445771U (en) | 2023-12-14 | 2023-12-14 | Dust detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221445771U true CN221445771U (en) | 2024-07-30 |
Family
ID=92070746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323421977.4U Active CN221445771U (en) | 2023-12-14 | 2023-12-14 | Dust detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221445771U (en) |
-
2023
- 2023-12-14 CN CN202323421977.4U patent/CN221445771U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |