CN220625705U - Fresnel lens test auxiliary device - Google Patents
Fresnel lens test auxiliary device Download PDFInfo
- Publication number
- CN220625705U CN220625705U CN202322109733.6U CN202322109733U CN220625705U CN 220625705 U CN220625705 U CN 220625705U CN 202322109733 U CN202322109733 U CN 202322109733U CN 220625705 U CN220625705 U CN 220625705U
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- Prior art keywords
- shell
- fresnel lens
- disc
- double
- threaded rod
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000001931 thermography Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a Fresnel lens test auxiliary device which comprises a Fresnel lens, wherein a double-head threaded rod is rotatably connected inside a shell, a sliding seat is connected with the outer wall of the double-head threaded rod in a threaded manner, a supporting frame is fixedly connected to the top end of the sliding seat, a mounting shell is fixedly connected to the top end of the supporting frame, an air bag is fixedly connected to the inside of the mounting shell, and an air hole is formed in the air bag. The utility model relates to the technical field of Fresnel lenses, in particular to an auxiliary device for testing the Fresnel lenses.
Description
Technical Field
The utility model relates to the technical field of Fresnel lenses, in particular to an auxiliary device for testing a Fresnel lens.
Background
The Fresnel lens, also called a threaded lens, is mostly made of thin sheets formed by injection molding of polyolefin materials, and also made of glass, one surface of the lens is a smooth surface, and concentric circles from small to large are inscribed on the other surface of the lens, and the textures of the Fresnel lens are designed according to the interference and interference of light and the requirements of relative sensitivity and receiving angle.
Before the fresnel lens is used, the focal length of the fresnel lens needs to be detected by using a testing device, for example, the application number is: according to the testing equipment and the testing method for the Fresnel lens of CN202110335854.5, the observed thermal imaging sensor is used for collecting the light of the light source penetrating through the Fresnel lens to form a light spot, the focal length of the Fresnel lens is determined, the mounting error of the Fresnel lens can be effectively avoided, the sensitivity of the thermal imaging sensor is guaranteed, and the intensity of a light spot signal can be directly observed.
However, when the existing auxiliary device for testing the Fresnel lens is used for testing the focus of the Fresnel lens, a clamp is required to be used for fixing the Fresnel lens, the tested Fresnel lenses are different in diameter and thinner in texture, and the Fresnel lens is easy to break in the clamping process.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the Fresnel lens test auxiliary device, which solves the problems that the Fresnel lens to be tested is easy to break in the clamping process because clamps are required to be used for fixing the Fresnel lens when the focus test is carried out on the Fresnel lens.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the Fresnel lens test auxiliary device comprises a Fresnel lens, wherein an installation component is arranged on the outer wall of the Fresnel lens;
the mounting assembly comprises a shell, a double-head threaded rod, a hand wheel, a sliding seat, a supporting frame, a mounting shell, an air bag and an air hole;
the inside rotation of shell is connected with the double-end threaded rod, the one end rigid coupling that the shell was kept away from to the double-end threaded rod has the hand wheel, the outer wall threaded connection of double-end threaded rod has the slide, the slide cup joints with the shell and links to each other, the top rigid coupling of slide has the support frame, the top rigid coupling of support frame has the installation shell, the inside rigid coupling of installation shell has the gasbag, the internally mounted of gasbag has the inflating hole, gasbag and fresnel lens parallel arrangement.
Preferably, the mounting shell is internally machined with a groove.
Preferably, the bottom end of the shell is fixedly connected with an adjusting component;
the adjusting component comprises a disc, a rotating shaft, a bottom shell and a positioning pin;
the disc is fixedly connected with the shell, a rotating shaft is fixedly connected in the disc, the outer wall of the rotating shaft is rotationally connected with a bottom shell, and a locating pin is connected with the inner thread of the disc.
Preferably, the top of the bottom shell is provided with scales.
Preferably, the outer wall of the bottom shell is fixedly connected with a mounting plate, and a through hole is formed in the mounting plate.
Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the Fresnel lens test auxiliary device has the following advantages:
through the cooperation of shell, double-end threaded rod, hand wheel, slide, support frame, installation shell, gasbag and inflating hole etc. use, drive the double-end threaded rod through the hand wheel and rotate in the shell, the double-end threaded rod rotates and drives two slide to move in opposite directions, is convenient for fix fresnel lens of equidimension, aerify in the gasbag through inflating hole afterwards, utilize the gasbag of inflation to fix fresnel lens's test position, prevent fresnel lens clamping impaired;
through the cooperation of disc, pivot, drain pan and locating pin etc. use, rotate the pivot and drive the disc and rotate in the drain pan, the disc drives shell and fresnel lens and takes place to rotate, rotates the locating pin top tight drain pan in the inside of disc, utilizes the scale on the drain pan to confirm the rotation angle of disc and fresnel lens, supplementary fresnel lens angle's test.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of the support frame, the mounting shell and the air bag of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the housing, the double-ended threaded rod and the carriage of FIG. 1;
fig. 4 is a schematic view showing a connection structure of the bottom case, the disc and the mounting plate in fig. 1.
In the figure: 1. fresnel lens, 2, mounting assembly, 201, shell, 202, double-end threaded rod, 203, hand wheel, 204, slide, 205, support frame, 206, mounting shell, 207, gasbag, 208, inflating hole, 3, adjusting assembly, 301, disc, 302, pivot, 303, drain pan, 304, locating pin, 4, mounting plate, 5, through-hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.
The prior Fresnel lens test auxiliary device needs to use a clamp to fix the Fresnel lens when the focus test is carried out on the Fresnel lens, and the tested Fresnel lenses have different diameters and thinner textures, so that the Fresnel lens is easy to break in the clamping process.
In view of the above, the utility model provides a fresnel lens test auxiliary device, which is characterized in that through the cooperation of a shell, a double-end threaded rod, a hand wheel, sliding seats, a support frame, a mounting shell, an air bag, an air hole and the like, the double-end threaded rod is driven to rotate in the shell through the hand wheel, the double-end threaded rod rotates to drive two sliding seats to move in opposite directions, so that fresnel lenses with different sizes can be conveniently fixed, then the air bag is inflated through the air hole, the test position of the fresnel lens is fixed by utilizing the inflated air bag, and the clamping damage of the fresnel lens is prevented.
As can be seen from fig. 1, fig. 2 and fig. 3, the auxiliary device for testing the fresnel lens comprises a fresnel lens 1, wherein an installation component 2 is arranged on the outer wall of the fresnel lens 1, the installation component 2 comprises a shell 201, a double-end threaded rod 202, a hand wheel 203, a sliding seat 204, a support frame 205, an installation shell 206, an air bag 207 and an inflation hole 208, the double-end threaded rod 202 is rotationally connected in the shell 201, the hand wheel 203 is fixedly connected at one end of the double-end threaded rod 202 far away from the shell 201, the sliding seat 204 is in threaded connection with the outer wall of the double-end threaded rod 202, the sliding seat 204 is in sleeved connection with the shell 201, the support frame 205 is fixedly connected at the top end of the sliding seat 204, the installation shell 206 is fixedly connected at the top end of the support frame 205, the air bag 207 is fixedly connected in the installation shell 206, the inflation hole 208 is arranged in the air bag 207 and the fresnel lens 1 in parallel;
in a specific implementation process, it is worth specifically pointing out that the fresnel lens 1 is a technology known to those skilled in the art, and details are not needed, a chute is machined in the housing 201, the double-ended threaded rod 202 rotates in the housing 201 through a bearing, the hand wheel 203 drives the double-ended threaded rod 202 to rotate, two sliding seats 204 are arranged to move in the chute of the housing 201, a supporting plate 205 is used for connecting a mounting shell 206, two air bags 207 are fixedly connected in the mounting shell 206, the air bags 207 are inflated conveniently by the arrangement of the inflating holes 208, the fresnel lens 1 is fixed by the air bags 207, and damage to the fresnel lens 1 is prevented;
further, the inside of the mounting case 206 is processed with a groove;
in the specific implementation, it should be noted that the recess in the mounting case 206 facilitates mounting the air bag 207, which is beneficial for fixing the fresnel lens 1;
specifically, according to the size of the fresnel lens 1, the double-headed threaded rod 202 is driven to rotate in the housing 201 by the hand wheel 203, the double-headed threaded rod 202 rotates to drive the two sliding seats 204 to move in opposite directions, the sliding seats 204 drive the installation shells 206 to move by the supporting frames 205, then the air bags 207 are inflated by the inflating holes 208, the fresnel lens 1 is placed between the installation shells 206, and the testing position of the fresnel lens 1 is fixed by the inflated air bags 207.
As can be seen from fig. 1 and fig. 4, the bottom end of the housing 201 is fixedly connected with an adjusting assembly 3, the adjusting assembly 3 comprises a disc 301, a rotating shaft 302, a bottom shell 303 and a positioning pin 304, the disc 301 is fixedly connected with the housing 201, the rotating shaft 302 is fixedly connected inside the disc 301, the bottom shell 303 is rotatably connected with the outer wall of the rotating shaft 302, and the positioning pin 304 is connected inside the disc 301 in a threaded manner;
in the specific implementation process, it is worth particularly pointing out that the disc 301 can be driven to rotate by the arrangement of the rotating shaft 302, the rotating shaft 302 rotates in the bottom shell 303 through a bearing, a cavity is arranged in the bottom shell 303, threads are machined on the outer wall of the positioning pin 304, the positioning pin 304 can fix the position of the disc 301, and the adjustment of the rotation angle of the Fresnel lens 1 is facilitated, and due to the test;
further, the top of the bottom shell 303 is provided with scales;
in the specific implementation, it is worth particularly pointing out that the arrangement of the scale in the bottom shell 303 facilitates the determination of the rotation angle of the fresnel lens 1;
further, the outer wall rigid coupling of drain pan 303 has mounting panel 4, and the inside processing of mounting panel 4 has through-hole 5:
in the specific implementation process, it is worth particularly pointing out that the mounting plates 4 are provided with two, so that the connection between the whole mechanism and the test assembly is facilitated, and the through holes 5 are provided so that the connecting pieces are convenient to mount;
specifically, on the basis of the above embodiment, the whole mechanism is connected to the testing assembly through the through holes 5 in the two mounting plates 4, then the rotating shaft 302 is rotated in the bottom shell 303, the rotating shaft 302 drives the disc 301 to rotate, the disc 301 drives the housing 201 and the fresnel lens 1 to rotate, the positioning pin 304 is rotated in the disc 301, and the positioning pin 304 abuts against the bottom shell 303, so that the rotation angle of the disc 301 is determined.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Fresnel lens test auxiliary device, including fresnel lens (1), its characterized in that: the outer wall of the Fresnel lens (1) is provided with a mounting assembly (2);
the mounting assembly (2) comprises a shell (201), a double-head threaded rod (202), a hand wheel (203), a sliding seat (204), a supporting frame (205), a mounting shell (206), an air bag (207) and an inflation hole (208);
the inside rotation of shell (201) is connected with double-end threaded rod (202), the one end rigid coupling that shell (201) was kept away from to double-end threaded rod (202) has hand wheel (203), the outer wall threaded connection of double-end threaded rod (202) has slide (204), slide (204) and shell (201) cup joint and link to each other, the top rigid coupling of slide (204) has support frame (205), the top rigid coupling of support frame (205) has installation shell (206), the inside rigid coupling of installation shell (206) has gasbag (207), the internally mounted of gasbag (207) has inflating hole (208), gasbag (207) and fresnel lens (1) parallel arrangement.
2. A fresnel lens testing aid according to claim 1, characterized in that: the interior of the mounting shell (206) is fluted.
3. A fresnel lens testing aid according to claim 1, characterized in that: an adjusting component (3) is fixedly connected to the bottom end of the shell (201);
the adjusting component (3) comprises a disc (301), a rotating shaft (302), a bottom shell (303) and a positioning pin (304);
the novel rotary disc is characterized in that the disc (301) is fixedly connected with the shell (201), a rotating shaft (302) is fixedly connected inside the disc (301), a bottom shell (303) is rotatably connected to the outer wall of the rotating shaft (302), and a positioning pin (304) is connected to the inner thread of the disc (301).
4. A fresnel lens testing aid according to claim 3, characterized in that: the top of the bottom shell (303) is provided with scales.
5. A fresnel lens testing aid according to claim 3, characterized in that: the outer wall of the bottom shell (303) is fixedly connected with a mounting plate (4), and a through hole (5) is formed in the mounting plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322109733.6U CN220625705U (en) | 2023-08-07 | 2023-08-07 | Fresnel lens test auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322109733.6U CN220625705U (en) | 2023-08-07 | 2023-08-07 | Fresnel lens test auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220625705U true CN220625705U (en) | 2024-03-19 |
Family
ID=90214086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322109733.6U Active CN220625705U (en) | 2023-08-07 | 2023-08-07 | Fresnel lens test auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220625705U (en) |
-
2023
- 2023-08-07 CN CN202322109733.6U patent/CN220625705U/en active Active
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