CN215587353U - Lens cleaning device of thermal infrared imager - Google Patents
Lens cleaning device of thermal infrared imager Download PDFInfo
- Publication number
- CN215587353U CN215587353U CN202121960785.9U CN202121960785U CN215587353U CN 215587353 U CN215587353 U CN 215587353U CN 202121960785 U CN202121960785 U CN 202121960785U CN 215587353 U CN215587353 U CN 215587353U
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- Prior art keywords
- exhaust head
- thermal infrared
- infrared imager
- lens
- cleaning device
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- 238000004140 cleaning Methods 0.000 title claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims abstract description 36
- 239000000428 dust Substances 0.000 abstract description 13
- 239000003595 mist Substances 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000009529 body temperature measurement Methods 0.000 abstract description 7
- 238000003384 imaging method Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
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Abstract
The utility model provides a lens cleaning device of a thermal infrared imager, which comprises a protective shell and an exhaust head, wherein the protective shell is used for mounting the thermal infrared imager, the protective shell is provided with an opening, a lens of the thermal infrared imager faces the opening, the exhaust head is used for being connected with an inflator pump, the inflator pump can inflate an inner cavity of the exhaust head, the exhaust head is arranged at an outlet of the protective shell, and an air outlet of the exhaust head faces the outer surface of the lens of the thermal infrared imager. The exhaust head can blow air flow to the outer surface of the lens, dust and water mist can be effectively prevented from being attached to the outer surface of the lens, the lens of the thermal infrared imager is guaranteed to be clean and clear, and imaging quality and temperature measurement accuracy of the thermal infrared imager are improved.
Description
Technical Field
The utility model relates to the technical field of thermal imagers, in particular to a lens cleaning device of a thermal infrared imager.
Background
Along with the rapid development of infrared imaging and temperature measurement technologies, the application of an infrared thermal imager to temperature monitoring of production equipment in the metallurgical industry is more and more popular. However, the metallurgical industry workshop environment is relatively harsh, and often needs to work in environments of high temperature, high water mist, high dust and the like. At this time, the severe environment may affect the thermal infrared imager, dust may accumulate on the outer surface of the lens of the thermal infrared imager, which may cause the thermal infrared imager to fail to work normally (the quality of the infrared image is reduced, the temperature measurement precision is reduced), and may cause the front lens of the lens to wear; under the high water mist environment, because water mist can be attached to the outer surface of the thermal infrared imager lens, imaging blurring can be caused, and the temperature measurement precision is reduced.
At present, a protection window is generally additionally arranged in front of a lens for protection, when dust accumulation or water mist interference affects normal work of an infrared thermal imager, the protection window is cleaned manually by a common method, and the operation is particularly troublesome; moreover, the protection measure can only protect the lens to prevent the lens from being damaged, but obviously cannot solve the problem that dust or water mist influences the normal work of the infrared thermal imager. Therefore, it is desirable to design a device that can clean the lens under severe environment.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a lens cleaning device for a thermal infrared imager, which is used for solving the technical problem that the thermal infrared imager is difficult to normally work in a high-water-mist and high-dust environment.
The technical scheme of the utility model is realized as follows:
the utility model provides a lens cleaning device of a thermal infrared imager, which comprises a protective shell (10) and an exhaust head (20);
the protection shell (10) is used for mounting a thermal infrared imager (30), the protection shell (10) is provided with an opening, and a lens (31) of the thermal infrared imager (30) faces the opening;
the exhaust head (20) is connected with an inflator pump, and the inflator pump can inflate the inner cavity of the exhaust head (20);
the exhaust head (20) is arranged at an outlet of the protective shell (10), and an air outlet (21) of the exhaust head (20) faces the outer surface of a lens (31) of the thermal infrared imager (30).
On the basis of the technical scheme, the exhaust device preferably further comprises a connecting column (40), and the exhaust head (20) is connected with the protective shell (10) through the connecting column (40); the connecting column (40) is provided with a vent hole (41), the vent hole (41) is communicated with the inner cavity of the exhaust head (20), and the inner cavity of the exhaust head (20) can be communicated with the inflator pump through the connecting column (40).
In addition to the above technical solution, preferably, the exhaust head (20) is long, and the exhaust head (20) is parallel to an outer surface of the lens (31).
On the basis of the above technical solution, preferably, the air outlet (21) of the exhaust head (20) is rectangular or oval, and the air outlet (21) is arranged along the length direction of the exhaust head (20).
On the basis of the technical scheme, preferably, the length of the air outlet (21) is greater than or equal to the length of a lens (31) of the thermal infrared imager (30).
On the basis of the technical scheme, preferably, the number of the air outlets (21) is two, and the two air outlets (21) are parallel and face the outer surface of the lens (31).
On the basis of the technical scheme, preferably, the connecting column (40) is arranged on the outer surface of the protective shell (10), and the exhaust head (20) is arranged on the inner surface of the protective shell (10);
the exhaust head (20) is provided with a connecting seat (22) for connecting the connecting column (40), and the connecting seat (22) is provided with an internal threaded hole;
the protective shell (10) is provided with a mounting hole, the outer surface of the connecting column (40) is provided with an external thread, and the connecting column (40) penetrates into the mounting hole and is in threaded connection with the connecting seat (22).
On the basis of the technical scheme, preferably, the internal thread hole of the connecting seat (22) is communicated with the inner cavity of the exhaust head (20), the vent hole (41) of the connecting column (40) penetrates through the connecting column (40) along the axial direction of the connecting column (40), and the connecting column (40) is in threaded connection with the connecting seat (22) to enable the vent hole (41) to be communicated with the inner cavity of the exhaust head (20).
On the basis of the technical scheme, preferably, the connecting column (40) comprises a threaded section (43) and an air inlet section (42), the air inlet section (42) and the threaded section (43) are coaxially and integrally formed, and the diameter of the air inlet section (42) is larger than that of the threaded section (43).
On the basis of the above technical solution, preferably, the diameter of the threaded section (43) is the same as the diameter of the mounting hole on the protective shell (10).
Compared with the prior art, the lens cleaning device of the thermal infrared imager has the following beneficial effects:
(1) the air outlet of the exhaust head faces the lens of the thermal infrared imager, the exhaust head can blow air flow to the outer surface of the lens, dust and water mist can be effectively prevented from being attached to the outer surface of the lens, the lens of the thermal infrared imager is guaranteed to be clean and clear, and imaging quality and temperature measurement accuracy of the thermal infrared imager are improved.
(2) The air outlet of the exhaust head is rectangular or oval and is arranged along the length direction of the exhaust head so as to ensure that the exhaust head can exhaust air walls which pass through the outer surface of the lens and effectively enlarge the cleaning range of the exhaust head on the lens.
(3) The length of the air outlet is larger than or equal to that of a lens of the thermal infrared imager so as to ensure that the air flow discharged by the air exhaust head covers the whole outer surface of the lens and can comprehensively clean the outer surface of the lens.
(4) The gas outlet is two, and two gas outlets are parallel and all towards the surface of camera lens, set up two gas outlets, can carry out double-deck protection to the lens, further prevent that water smoke and dust from attaching to the surface of camera lens.
(5) The spliced pole is worn into the mounting hole and with connecting seat threaded connection, and threaded connection installs and dismantles the convenience, the maintenance in the later stage of being convenient for.
(6) The connecting column comprises a threaded section and an air inlet section, the air inlet section and the threaded section are coaxial and are integrally formed, and the integrally formed strength is high; the diameter of the section of admitting air is greater than the diameter of screw thread section for the spliced pole is when being connected with the air discharge head, forms annular slot between the connecting seat of the section of admitting air and air discharge head, and protective housing's lateral wall then the joint is in this annular slot, and spliced pole and connecting seat are then from protective housing's inside and outside butt protective housing, with the stability of reinforcing structure, and threaded connection fastens, can prevent effectively that the air discharge head from rocking.
(7) The diameter of the screw thread section is the same with the diameter of the mounting hole on the protective shell, the outer surface of the screw thread section is tightly attached to the inner wall of the mounting hole, the stability of the structure is improved, and the exhaust head is prevented from shaking.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a lens cleaning device of a thermal infrared imager according to the present invention;
FIG. 2 is a front view of a lens cleaning apparatus of a thermal infrared imager in accordance with the present invention;
FIG. 3 is a schematic view of the exhaust head and connecting column;
FIG. 4 is a schematic view of the exhaust head and connecting column;
FIG. 5 is a schematic view of the connecting column.
Description of reference numerals:
10-a protective shell;
20-an exhaust head; 21-air outlet; 22-a connecting seat;
30-infrared thermal imager; 31-a lens;
40-connecting column; 41-a vent hole; 42-an air inlet section; 43-a threaded segment;
50-ring groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
The utility model provides a lens cleaning device of a thermal infrared imager, which comprises a protective shell 10, an exhaust head 20 and a connecting column 40 as shown in figures 1 and 2.
The protection housing 10 is, as shown in fig. 1, an inner cavity of the protection housing 10 is used for installing the thermal infrared imager 30, the protection housing 10 can be clamped with the thermal infrared imager 30 or connected with the thermal infrared imager 30 through screws, and the protection housing 10 plays a role in protection and can prevent dust from being accumulated on the thermal infrared imager 30. The protective housing 10 may be configured as an inverted card slot housing, the front end and the rear end of the card slot housing are open, and the bottom of the card slot housing is also open, the thermal infrared imager 30 may be disposed in the card slot of the protective housing 10, and the lens 31 of the thermal infrared imager 30 faces one of the openings and is close to the opening.
The exhaust head 20, as shown in fig. 1 and fig. 3, the exhaust head 20 may be connected to an external inflator, the inflator may deliver air flow to the inner cavity of the exhaust head 20, the exhaust head 20 is provided with an air outlet 21, and the air flow in the inner cavity of the exhaust head 20 may be exhausted from the outlet of the exhaust head 20. The exhaust head 20 may be installed at one end of the card slot of the protective housing 10 close to the lens 31 of the thermal infrared imager 30, and the air outlet 21 of the exhaust head 20 faces the outer surface of the lens 31 of the thermal infrared imager 30.
As shown in fig. 1 and 2, the exhaust head 20 may be configured to be elongated, the elongated exhaust head 20 is disposed in the slot of the protective housing 10, and the exhaust head 20 is parallel to the outer surface of the lens 31. The air outlet 21 of the exhaust head 20 may be provided in a rectangular shape or an oval shape, the air outlet 21 being arranged along the length direction of the exhaust head 20, the length direction of the air outlet 21 being parallel to the outer surface of the lens 31. The air outlet 21 is rectangular or elliptical, so that the exhaust head 20 can exhaust air to pass through the air wall on the outer surface of the lens 31, and the cleaning range of the exhaust head 20 on the lens 31 can be effectively enlarged.
As shown in fig. 2, the length of the air outlet 21 may be set to be greater than or equal to the length of the lens 31 of the thermal infrared imager 30, so as to ensure that the air flow discharged from the air discharge head 20 covers the entire outer surface of the lens 31, and the outer surface of the lens 31 can be cleaned completely. The number of the air outlets 21 may be two, and the two air outlets 21 are parallel and both face the outer surface of the lens 31. Two air outlets 21 are provided to provide double-layer protection for the lens, thereby further preventing water mist and dust from adhering to the outer surface of the lens 31.
The connection column 40, as shown in fig. 2, the connection column 40 may be a column, the connection column 40 is disposed on the outer surface of the protective casing 10, the exhaust head 20 is disposed in the clamping groove of the protective casing 10, and the exhaust head 20 is connected to the protective casing 10 through the connection column 40. Specifically, as shown in fig. 4, the exhaust head 20 is provided with the connecting seat 22 for connecting the connecting column 40, the connecting seat 22 is provided with an internal threaded hole, the protective casing 10 is provided with a mounting hole (not shown in the figure), the outer surface of the connecting column 40 is provided with an external thread, the connecting column 40 penetrates into the mounting hole and is in threaded connection with the connecting seat 22, the threaded connection is convenient to mount and dismount, and later maintenance is facilitated.
As shown in FIG. 4, the connecting column 40 is provided with a vent hole 41, the vent hole 41 is communicated with the inner cavity of the exhaust head 20, the inflation tube of the external inflator can be communicated with the vent hole 41 of the connecting column 40, and the inner cavity of the exhaust head 20 can be communicated with the inflator through the connecting column 40. Specifically, the internal thread hole of the connecting seat 22 is communicated with the inner cavity of the exhaust head 20, the vent hole 41 of the connecting column 40 penetrates through the connecting column 40 along the axial direction of the connecting column 40, and the connecting column 40 is in threaded connection with the connecting seat 22 so that the vent hole 41 is communicated with the inner cavity of the exhaust head 20.
As shown in fig. 4, connecting stud 40 includes a threaded section 43 and an air inlet section 42, threaded section 43 being located below for threaded connection with connecting socket 22; the air inlet section 42 is located above for connection to an external inflator, and the vent hole 41 of the connecting post 40 extends through the air inlet section 42 and the threaded section 43. The air inlet section 42 and the threaded section 43 are coaxial and integrally formed, and the integrally formed strength is high. The diameter of section 42 of admitting air is greater than the diameter of screw thread section 43, make spliced pole 40 when being connected with exhaust head 20, form annular clamping groove 50 between the connecting seat 22 of section 42 of admitting air and exhaust head 20, protective housing 10's lateral wall then the joint is in this annular clamping groove 50, during spliced pole 40 and connecting seat 22 threaded connection, then can follow protective housing 10's inside and outside butt protective housing 10, spliced pole 40 is tight then the butt is tight more with connecting seat 22 threaded connection more, with the stability of reinforcing structure, threaded connection fastens, can prevent effectively that exhaust head 20 from rocking.
The diameter of screw thread section 43 is the same with the diameter of the mounting hole on protective housing 10, and when screw thread section 43 penetrated into the mounting hole, the outer surface of screw thread section 43 closely laminated with the inner wall of mounting hole, improved the stability of structure, prevented that exhaust head 20 from rocking.
The working principle of the lens cleaning device of the thermal infrared imager is as follows:
the vent holes 41 of the connecting column 40 are communicated with an inflation tube or a pipeline of an external inflator pump, the external inflator pump can inflate the inner cavity of the exhaust head 20 through the connecting column 40, the exhaust port of the exhaust head 20 can be rectangular or oval, and the exhaust head 20 can convert columnar airflow into an air wall to blow over the outer surface of the lens 31. When the thermal infrared imager 30 works in environments with high water mist, high dust and the like, the exhaust head 20 can continuously blow air flow to the outer surface of the lens 31 of the thermal infrared imager 30, so that the water mist or the dust can be effectively prevented from being attached to the outer surface of the lens 31, the lens 31 of the thermal infrared imager 30 is ensured to be clean and clear, and the imaging quality and the temperature measurement precision of the thermal infrared imager 30 are improved.
The lens cleaning device of the thermal infrared imager has the advantages of simple structure, low cost and higher value, is mainly used for the thermal infrared imager which works for twenty-four hours without interruption under the environment of high temperature, high water mist and high dust, and effectively solves the problems of fuzzy thermal imaging and low temperature measurement precision.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A lens cleaning device of a thermal infrared imager is characterized by comprising a protective shell (10) and an exhaust head (20);
the protection shell (10) is used for mounting a thermal infrared imager (30), the protection shell (10) is provided with an opening, and a lens (31) of the thermal infrared imager (30) faces the opening;
the exhaust head (20) is connected with an inflator pump, and the inflator pump can inflate the inner cavity of the exhaust head (20);
the exhaust head (20) is arranged at an outlet of the protective shell (10), and an air outlet (21) of the exhaust head (20) faces the outer surface of a lens (31) of the thermal infrared imager (30).
2. The lens cleaning device of a thermal infrared imager according to claim 1, characterized in that it further comprises a connection column (40), said exhaust head (20) being connected with said protective housing (10) through said connection column (40); the connecting column (40) is provided with a vent hole (41), the vent hole (41) is communicated with the inner cavity of the exhaust head (20), and the inner cavity of the exhaust head (20) can be communicated with the inflator pump through the connecting column (40).
3. The lens cleaning device of a thermal infrared imager according to claim 2, characterized in that the exhaust head (20) is elongated, the exhaust head (20) being parallel to the outer surface of the lens (31).
4. The lens cleaning device of the thermal infrared imager according to claim 3, characterized in that the air outlet (21) of the exhaust head (20) is rectangular or oval, and the air outlet (21) is arranged along the length direction of the exhaust head (20).
5. The lens cleaning device of a thermal infrared imager according to claim 4, characterized in that the length of the air outlet (21) is greater than or equal to the length of the lens (31) of the thermal infrared imager (30).
6. The lens cleaning device for a thermal infrared imager according to claim 5, characterized in that the number of air outlets (21) is two, the two air outlets (21) being parallel and facing the outer surface of the lens (31).
7. The lens cleaning device for the thermal infrared imager according to any one of claims 2-6, wherein the connecting column (40) is arranged on the outer surface of the protective housing (10), and the exhaust head (20) is arranged on the inner surface of the protective housing (10);
the exhaust head (20) is provided with a connecting seat (22) for connecting the connecting column (40), and the connecting seat (22) is provided with an internal threaded hole;
the protective shell (10) is provided with a mounting hole, the outer surface of the connecting column (40) is provided with an external thread, and the connecting column (40) penetrates into the mounting hole and is in threaded connection with the connecting seat (22).
8. The lens cleaning device of the thermal infrared imager according to claim 7, wherein the internal threaded hole of the connecting base (22) is communicated with the inner cavity of the exhaust head (20), the vent hole (41) of the connecting column (40) penetrates through the connecting column (40) along the axial direction of the connecting column (40), and the connecting column (40) is in threaded connection with the connecting base (22) so that the vent hole (41) is communicated with the inner cavity of the exhaust head (20).
9. The lens cleaning device of the thermal infrared imager according to claim 8, characterized in that the connection column (40) comprises a threaded section (43) and an air inlet section (42), the air inlet section (42) is coaxial and integral with the threaded section (43), and the diameter of the air inlet section (42) is larger than the diameter of the threaded section (43).
10. The lens cleaning device of a thermal infrared imager according to claim 9, characterized in that the threaded section (43) has the same diameter as the mounting hole on the protective housing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121960785.9U CN215587353U (en) | 2021-08-20 | 2021-08-20 | Lens cleaning device of thermal infrared imager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121960785.9U CN215587353U (en) | 2021-08-20 | 2021-08-20 | Lens cleaning device of thermal infrared imager |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215587353U true CN215587353U (en) | 2022-01-21 |
Family
ID=79882043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121960785.9U Expired - Fee Related CN215587353U (en) | 2021-08-20 | 2021-08-20 | Lens cleaning device of thermal infrared imager |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215587353U (en) |
-
2021
- 2021-08-20 CN CN202121960785.9U patent/CN215587353U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220121 |