CN221381050U - Testing device for focusing and debugging thermal imaging camera - Google Patents
Testing device for focusing and debugging thermal imaging camera Download PDFInfo
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- CN221381050U CN221381050U CN202322775119.3U CN202322775119U CN221381050U CN 221381050 U CN221381050 U CN 221381050U CN 202322775119 U CN202322775119 U CN 202322775119U CN 221381050 U CN221381050 U CN 221381050U
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- 238000001931 thermography Methods 0.000 title claims abstract description 68
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 230000005855 radiation Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model discloses a testing device for focusing and debugging a thermal imaging camera, which comprises a base, a black body, a fixing frame, a target surface, an infrared lens and a sliding module, wherein the fixing frame is fixedly arranged on the base, the black body, the target surface and the infrared lens are arranged on the fixing frame, the infrared lens is arranged at the front side of the target surface, the black body is arranged at the rear side of the target surface, the sliding module is arranged on the base, the thermal imaging camera is connected to the sliding module in a sliding way, and the thermal imaging camera and the infrared lens are opposite and concentrically arranged. The utility model greatly reduces the occupied space during testing. In addition, the target surface is provided with a plurality of groups of grooves with different thickness intervals, and the grooves can be used for thermal imaging lenses of thermal imaging cameras with different focal length specifications, so that the focus is ensured to be clear and distinguishable.
Description
Technical Field
The utility model relates to the technical field of camera generation, in particular to a testing device for focusing debugging of a thermal imaging camera.
Background
At present, a thermal imaging camera mainly comprises two types of lenses, namely a fixed focus lens and a lens with an electric tuning function. The electric focusing lens can automatically focus, and the fixed focus lens needs to focus the lens clearly before leaving the factory by a manufacturer, and a larger field is needed for focusing test in the production process, especially for a lens with a large focal length, even outdoor test is needed, so that the occupied space is larger.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, provides a testing device for focus adjustment of a thermal imaging camera, and aims to reduce the field space used by the focus adjustment of the thermal imaging camera.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a testing device for focusing and debugging a thermal imaging camera, which comprises a base, a blackbody, a fixing frame, a target surface, an infrared lens and a sliding module, wherein the fixing frame is fixedly arranged on the base, the blackbody, the target surface and the infrared lens are arranged on the fixing frame, the infrared lens is arranged at the front side of the target surface, the blackbody is arranged at the rear side of the target surface, the sliding module is arranged on the base, the thermal imaging camera is connected to the sliding module in a sliding way, and the thermal imaging camera and the infrared lens are opposite and concentrically arranged.
The further technical scheme is as follows: the fixing frame is provided with a fixing plate, the fixing plate is arranged in parallel with the target surface, the target surface is positioned at the rear side of the fixing plate, and the fixing plate is provided with a central through hole in a penetrating mode.
The further technical scheme is as follows: the rear side of the fixing plate is provided with a plurality of locating pieces used for limiting and fixing the target surface, and the locating pieces are arranged around the periphery of the central through hole.
The further technical scheme is as follows: the locating piece comprises a cylindrical part and a cake-shaped column head part arranged at one end of the cylindrical part, the other end of the cylindrical part is fixed on the fixed plate, a limiting interval is formed between the cake-shaped column head part and the fixed plate, and the edge of the target surface is clamped in the limiting interval.
The further technical scheme is as follows: an angle adjusting rod is vertically arranged on the target surface, and the top end of the angle adjusting rod extends out of the upper side edge of the fixing plate.
The further technical scheme is as follows: the target surface is provided with a plurality of groups of grooves with different thickness intervals, and the plurality of groups of grooves are paved on the target surface at intervals.
The further technical scheme is as follows: and an adjusting hand wheel for adjusting the focal length of the infrared lens is further arranged on the infrared lens.
The further technical scheme is as follows: the sliding module comprises a sliding rail and a sliding block, wherein the sliding rail is fixed on the base, the sliding block is connected to the sliding rail in a sliding manner, and the thermal imaging camera is installed on the sliding rail.
The further technical scheme is as follows: the sliding module further comprises a locking hand wheel, the locking hand wheel is connected with the sliding block, and the locking hand wheel is used for locking the sliding block on the sliding rail.
The further technical scheme is as follows: the top surface of slider still is equipped with the support frame, the thermal imaging camera install in on the support frame.
Compared with the prior art, the utility model has the beneficial effects that: the testing device for focusing and debugging of the thermal imaging camera comprises a base, a blackbody, a fixing frame, a target surface, an infrared lens and a sliding module, wherein the fixing frame is fixedly installed on the base, the blackbody, the target surface and the infrared lens are installed on the fixing frame, the infrared lens is arranged on the front side of the target surface, the blackbody is arranged on the rear side of the target surface, the sliding module is installed on the base, the thermal imaging camera is connected onto the sliding module in a sliding mode, and the thermal imaging camera and the infrared lens are opposite and are concentrically arranged. Through the sliding module that sets up, can be according to the specification of the thermal imaging camera's of different thermal imaging camera lens when the test, adjust the relative distance with infrared lens to satisfy the requirement of the relative distance of test, set up the thermal imaging camera with infrared lens's distance into adjustable form, and adjustable mode is accomplished by the sliding module, consequently the place space that occupies when can significantly reduce the test. In addition, through the change of blackbody temperature and the adjustment of screwing the adjusting hand wheel to the focal length of the infrared lens, the infrared lens can flexibly simulate a 2.5mm to infinity high and low temperature target, so that the thermal imaging camera obtains target surface images with different temperatures from the target surface, thereby being convenient for measurement and debugging. Meanwhile, a plurality of groups of grooves with different thickness intervals are formed in the target surface and can be used for thermal imaging lenses of thermal imaging cameras with different focal length specifications, so that the focus is ensured to be clear and distinguishable.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the present utility model so that the same may be more clearly understood, as well as to provide a better understanding of the present utility model with reference to the following detailed description of the preferred embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a test apparatus for focus adjustment of a thermal imaging camera according to an embodiment of the present utility model;
Fig. 2 is a schematic diagram of a part of a test device for focus adjustment of a thermal imaging camera according to an embodiment of the present utility model.
Reference numerals
1. A base; 2. a black body; 3. a fixing frame; 4. a target surface; 41. slotting; 42. an angle adjusting lever; 5. an infrared lens; 51. an adjusting hand wheel; 6. a sliding module; 61. a slide rail; 62. a slide block; 63. locking a hand wheel; 7. a fixing plate; 71. a positioning piece; 711. a columnar portion; 712. a pie-shaped column head; 8. a support frame; 100. a thermal imaging camera; 200. a thermal imaging lens.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the terms "comprises" and "comprising," when used in this specification and claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As shown in fig. 1-2, the embodiment of the utility model provides a testing device for focusing and debugging a thermal imaging camera, which comprises a base 1, a black body 2, a fixing frame 3, a target surface 4, an infrared lens 5 and a sliding module 6, wherein the fixing frame 3 is fixedly arranged on the base 1, the black body 2, the target surface 4 and the infrared lens 5 are arranged on the fixing frame 3, the infrared lens 5 is arranged on the front side of the target surface 4, and the black body 2 is arranged on the rear side of the target surface 4. The black body 2 is an idealized heat radiating body, the radiation energy emitted by the black body is related to the temperature of the heat radiating body, the heat radiating body can emit infrared radiation in different temperature ranges by changing the temperature of the black body 2, and when the infrared radiation of the black body 2 enters the infrared lens 5, the infrared radiation is focused according to the temperature of a target, so that the simulation of targets with different temperatures is realized. The target surface 4 is a plate-like structure that is circular and square in general, and in this embodiment, the target surface 4 is circular, and the infrared radiation emitted by the black body 2 facilitates capturing an image on the target surface 4 by the thermal imaging lens 200 of the thermal imaging camera 100. The sliding module 6 is installed on the base 1, the thermal imaging camera 100 is slidably connected on the sliding module 6, and the thermal imaging camera 100 and the infrared lens 5 are opposite and concentrically arranged, and no shielding object exists between the thermal imaging lens 200 of the thermal imaging camera 100 and the infrared lens 5. At the time of testing, the thermal imaging lens 200 of the thermal imaging camera 100 acquires an image on the target surface 4 by detecting infrared radiation, specifically, when infrared radiation passes through the thermal imaging lens 200, an infrared detector in the thermal imaging lens 200 captures the infrared radiation and converts it into an electrical signal, which is then decoded and converted into image data, which is the image on the target surface 4 seen on the thermal imaging camera.
Through the sliding module 6, the thermal imaging camera 100 can be relatively close to or far away from the infrared lens 5, so that the relative distance between the thermal imaging camera 100 and the infrared lens 5 can be adjusted according to the specifications of the thermal imaging lenses 200 of different thermal imaging cameras 100 during testing, the requirements of the relative distance during testing are met, the distance between the thermal imaging camera 100 and the infrared lens 5 is set to be in an adjustable mode, and the adjustable mode is completed by the sliding module 6, so that the occupied field space during testing can be greatly reduced. In addition, through the change of the temperature of the black body 2 and the adjustment of the focal length of the infrared lens 5 by screwing the adjusting hand wheel 51, a 2.5 mm-infinity high-low temperature target can be flexibly simulated, so that the thermal imaging camera 100 obtains target surface 4 images with different temperatures from the target surface 4, and the measurement and the debugging are convenient.
As shown in fig. 1-2, the fixing frame 3 is provided with a fixing plate 7, the fixing plate 7 is arranged in parallel with the target surface 4, the target surface 4 is positioned at the rear side of the fixing plate 7, and the fixing plate 7 is provided with a central through hole in a penetrating way. In this embodiment, the base 1 has a long plate structure, and a foot pad is disposed at the bottom of the base 1. The fixing frame 3 is fixedly arranged at a position close to the left end of the base 1, the fixing frame 3 comprises a bottom plate and two opposite side vertical plates arranged on the upper surface of the bottom plate, the lower surface of the bottom plate is fixed on the fixing frame 3 through connecting pieces such as screws, and the fixing plate 7 is vertically arranged between the two side vertical plates and is locked through the connecting pieces such as screws. The fixing plate 7 is used as a supporting part of the target surface 4, and the central through hole of the fixing plate 7 is smaller than the diameter of the target surface 4.
As shown in fig. 2, the rear side of the fixing plate 7 is provided with a plurality of positioning pieces 71 for spacing and fixing the target surface 4, and the plurality of positioning pieces 71 are arranged around the periphery of the central through hole. In this embodiment, there are three positioning members 71, one of which 71 is located at the lower side of the target surface 4, which is equivalent to supporting the target surface 4, and the other two positioning members 71 are located at the left and right sides of the target surface 4, which is equivalent to limiting the left and right sides of the target surface 4.
As shown in fig. 2, the positioning member 71 includes a cylindrical portion 711, and a pie-shaped cylindrical head portion 712 disposed at one end of the cylindrical portion 711, where the other end of the cylindrical portion 711 is fixed on the fixing plate 7, and a spacing interval is formed between the pie-shaped cylindrical head portion 712 and the fixing plate 7, and the edge of the target surface 4 is clamped in the spacing interval.
As shown in fig. 2, the target surface 4 is vertically provided with an angle adjusting rod 42, and the top end of the angle adjusting rod 42 extends beyond the upper side edge of the fixing plate 7. The angle of the target surface 4 can be adjusted by rotating the angle adjusting rod 42 so as to adapt to the test requirement.
As shown in fig. 2, a plurality of groups of grooves 41 with different thickness intervals are arranged on the target surface 4, and the plurality of groups of grooves 41 are paved on the target surface 4 at intervals. In this embodiment, five sets of grooves 41 with different thicknesses and pitches are provided, and these grooves 41 can be regarded as heat radiation sources with different sizes and pitches, and they can be displayed as lines or areas with different brightness in the image of the thermal imaging camera 100, that is, the image on the target surface 4.
Through the plurality of groups of grooves 41 with different thickness intervals, the thermal imaging lens 200 of the thermal imaging camera 100 with different focal length specifications can be used, so that the focus is ensured to be clearly distinguished.
As shown in fig. 1-2, the infrared lens 5 is further provided with an adjusting hand wheel 51 for adjusting the focal length of the infrared lens 5. The adjusting hand wheel 51 is installed on the infrared lens 5 in a threaded connection or shaft connection manner, and when the adjusting hand wheel 51 rotates, the lens or lens group inside the lens is driven to move so as to realize adjustment of focal length.
As shown in fig. 1, the slide module 6 includes a slide rail 61 and a slider 62, the slide rail 61 is fixed on the base 1, the slider 62 is slidably connected to the slide rail 61, and the thermal imaging camera 100 is mounted on the slide rail 61. In the present embodiment, the slide rail 61 is disposed along the length direction of the base 1, so that the slide block 62 has a more sufficient position adjustment space, and the slide rail 61 is fixed on the upper surface of the base 1 by a fastening structure or a screw connection. In order to facilitate the locking of the thermal imaging camera 100 after being adjusted to the target position, the sliding module 6 further comprises a locking hand wheel 63, the locking hand wheel 63 is connected with the sliding block 62, the locking hand wheel 63 is used for locking the sliding block 62 on the sliding rail 61, and the locking of the sliding block 62 is realized when the locking hand wheel 63 is screwed down.
As shown in fig. 1, in some embodiments, to facilitate the mounting of the thermal imaging camera 100, the top surface of the slider 62 is also provided with a support, and the thermal imaging camera 100 is mounted on the support frame 8.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. A testing arrangement for thermal imaging camera focus debugging, its characterized in that includes base, blackbody, mount, target surface, infrared camera and slip module, mount fixed mounting in on the base, the blackbody the target surface with infrared camera installs in on the mount, just infrared camera arrange in the target surface front side, the blackbody arrange in the rear side of target surface, the slip module install in on the base, thermal imaging camera sliding connection in on the slip module, just thermal imaging camera with infrared camera is relative and concentric arrangement.
2. The test device for focus adjustment of a thermal imaging camera according to claim 1, wherein a fixing plate is provided on the fixing frame, the fixing plate is arranged parallel to the target surface, the target surface is located at the rear side of the fixing plate, and a central through hole is provided through the fixing plate.
3. The testing device for focus adjustment of a thermal imaging camera according to claim 2, wherein a plurality of positioning members for limiting and fixing the target surface are provided on the rear side of the fixing plate, and the plurality of positioning members are arranged around the periphery of the central through hole.
4. The test device for focusing adjustment of a thermal imaging camera according to claim 3, wherein the positioning member comprises a cylindrical portion and a cake-shaped column head portion arranged at one end of the cylindrical portion, the other end of the cylindrical portion is fixed on the fixing plate, a limit interval is formed between the cake-shaped column head portion and the fixing plate, and the edge of the target surface is clamped in the limit interval.
5. The test device for focus adjustment of a thermal imaging camera according to claim 2, wherein an angle adjusting lever is vertically provided on the target surface, and a tip of the angle adjusting lever extends beyond an upper side edge of the fixing plate.
6. The testing device for focusing adjustment of thermal imaging camera according to claim 2, wherein a plurality of groups of grooves with different thickness intervals are arranged on the target surface, and a plurality of groups of grooves are tiled on the target surface at intervals.
7. The testing device for focus adjustment of a thermal imaging camera according to claim 1, wherein the infrared lens is further provided with an adjusting hand wheel for adjusting the focal length of the infrared lens.
8. The test device for focus adjustment of a thermal imaging camera of claim 1, wherein the slide module comprises a slide rail and a slider, the slide rail being secured to the base, the slider being slidably coupled to the slide rail, the thermal imaging camera being mounted to the slide rail.
9. The device for focus adjustment of a thermal imaging camera of claim 8, wherein the slide module further comprises a locking hand wheel coupled to the slide, the locking hand wheel configured to lock the slide to the slide rail.
10. The test device for focus adjustment of a thermal imaging camera of claim 8, wherein the top surface of the slider is further provided with a support frame on which the thermal imaging camera is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322775119.3U CN221381050U (en) | 2023-10-16 | 2023-10-16 | Testing device for focusing and debugging thermal imaging camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322775119.3U CN221381050U (en) | 2023-10-16 | 2023-10-16 | Testing device for focusing and debugging thermal imaging camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221381050U true CN221381050U (en) | 2024-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322775119.3U Active CN221381050U (en) | 2023-10-16 | 2023-10-16 | Testing device for focusing and debugging thermal imaging camera |
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| Country | Link |
|---|---|
| CN (1) | CN221381050U (en) |
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2023
- 2023-10-16 CN CN202322775119.3U patent/CN221381050U/en active Active
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