TIR prism assembly detection device

By designing a TIR prism assembly detection device in the projection optical system, using cylinder components and laser pens for positioning and detection, the problem of unstable projected image quality is solved, and high-precision positioning and optical path calibration detection is achieved.

CN222652524UActive Publication Date: 2025-03-21SHENZHEN ORANGE ELECTRONICS CO LTD
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Patent Information

Application Number
CN202420736325.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2025-03-21
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

The existing projection optical systems have insufficient accuracy in positioning and detection, resulting in unstable projection image quality and may have spot and chromatic aberration problems.

Method used

A TIR prism assembly detection device is designed to limit the position of the optical machine body through the cylinder assembly to achieve high-precision positioning, and an optical path loop is formed through a laser pen and an optical target disc to perform optical path calibration and detection.

Benefits of technology

High-precision positioning and optical path calibration detection are achieved, the quality stability of the projected image is improved, and the spot and chromatic aberration problems are avoided.

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Abstract

The utility model belongs to the technical field of projection optics, and particularly relates to a TIR prism assembly detection device, which comprises a bottom plate; the main body positioning seat is fixedly mounted at one end of the upper surface of the bottom plate; a reflecting mirror is embedded on the main body positioning seat, and a TIR prism is arranged right above the reflecting mirror; a ray machine main body is mounted on the main body positioning seat; the air cylinder assembly comprises an X-direction air cylinder assembly and a Y-direction air cylinder assembly; the X-direction air cylinder assembly horizontally fixes and limits the ray machine body, and the Y-direction air cylinder assembly vertically fixes and limits the ray machine body. The laser pen is mounted at the other end of the upper surface of the bottom plate through a laser pen positioning block; and the light target disc is arranged at the front end of the laser pen and is connected with the laser pen through a laser pen positioning hole formed in the center of the light target disc, so that laser emitted by the laser pen is refracted by the TIR prism, reflected by the reflector and then refracted by the TIR prism to return to the center of the light target disc.
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Description

Technical Field

[0001] The utility model belongs to the technical field of projection optics, and in particular relates to a TIR prism assembly detection device. Background Art

[0002] With the continuous development of projection technology, people have higher and higher requirements for the clarity of the projected image. At present, the existing optical machine equipment adjusts the relationship between the internal prism of the optical machine and the flatness of the DMD surface to adjust the clarity of the projected image. However, due to the lack of advanced positioning and detection methods, the performance and accuracy of the projection optical system are limited, resulting in unstable quality of the projected image, and there may be problems with light spots and color differences. Utility Model Content

[0003] The utility model provides a TIR prism assembly detection device, which limits the position of an optical machine body in the horizontal direction and the vertical direction by arranging a cylinder assembly to avoid its deviation and realize high-precision positioning; and the laser emitted by a laser pen installed on a light target plate can pass through the TIR prism and the reflector in sequence, and then pass through the TIR prism again to return to the center of the light target to form an optical path loop, which is used for optical path calibration detection and realizes accurate detection.

[0004] A TIR prism assembly detection device, comprising:

[0005] Base plate;

[0006] A main body positioning seat is fixedly mounted on one end of the upper surface of the bottom plate; a reflector is embedded on the main body positioning seat, and a TIR prism is arranged directly above the reflector; and an optical machine main body is installed on the main body positioning seat;

[0007] The cylinder assembly includes an X-direction cylinder assembly and a Y-direction cylinder assembly; the X-direction cylinder assembly horizontally fixes and restricts the optical machine body, and the Y-direction cylinder assembly vertically fixes and restricts the optical machine body;

[0008] A laser pen, which is mounted on the other end of the upper surface of the base plate through a laser pen positioning block;

[0009] The optical target plate is arranged at the front end of the laser pen and connected to the laser pen through a laser pen positioning hole opened in the center of the optical target plate, so that the laser emitted by the laser pen is refracted through the TIR prism, reflected by the reflector, and then refracted through the TIR prism back to the center of the optical target plate.

[0010] By setting the cylinder assembly to limit the position of the optical machine body in the horizontal and vertical directions, it is prevented from shifting and highly precise positioning is achieved; and the laser emitted by the laser pen installed on the optical target plate can pass through the TIR prism and the reflector in turn, and then pass through the TIR prism again to return to the center of the optical target plate to form an optical path loop, which is used for optical path calibration detection to achieve precise detection.

[0011] Furthermore, the main body positioning seat comprises:

[0012] A first support base, which is in the shape of a rectangular parallelepiped; the first support base is fixedly mounted on the bottom plate by bolts;

[0013] A second supporting base is in the form of a rectangular parallelepiped; a groove is provided on the second supporting base, and the groove surface is arranged vertically upward, for fitting the reflector; the raised positions at both ends of the groove respectively form a first edge and a second edge for supporting the TIR prism;

[0014] The third support base is in the form of a column; the upper bottom surface of the third support base supports the second support base, and the lower bottom surface is fixedly mounted on the first support base.

[0015] A first supporting base is provided for connecting the bottom plate; a concave second supporting base is provided to facilitate the embedding of the reflector and the support of the TIR prism, and at the same time, the bottom surface of the TIR prism can be directly opposite the reflector to realize the reflection of the incident laser, which is convenient for the detection of the device; a third supporting base is provided to connect the first supporting base and the second supporting base, and at the same time, its height can be used to control the height of the main positioning seat.

[0016] Furthermore, the optical machine body is a hollow shell; the optical machine body is provided with a first positioning hole, a first through hole, a second positioning hole, and a second through hole;

[0017] The first positioning hole, the first through hole, and the second positioning hole are sequentially opened on three sides of the optical machine body and have the same height; the first through hole is used to connect the X-direction cylinder assembly; the first positioning hole and the second positioning hole are respectively used to set the UV lamp assembly;

[0018] The second through hole is provided on the top surface of the optical machine body and is used for connecting the Y-direction cylinder assembly.

[0019] By opening different through holes at different positions of the optical machine body, it is convenient to connect the cylinder assembly in different directions, so that the position of the optical machine body can be limited by the cylinder assembly to prevent it from shifting; at the same time, by opening different positioning holes at different positions of the optical machine body, it is convenient to install the UV lamp assembly in different directions, so that the UV lamp can be inserted into the interior of the optical machine body to irradiate and cure the UV glue around the TIR prism, thereby improving the curing efficiency.

[0020] Furthermore, the X-direction cylinder assembly comprises:

[0021] An X-direction positioning cylinder base, which is fixedly mounted on the bottom plate and located between the optical target plate and the optical machine body;

[0022] An X-direction positioning cylinder is arranged on the X-direction positioning cylinder base; the X-direction positioning cylinder is connected to the X-direction positioning connection block through a first piston rod; the X-direction positioning connection block is "L" shaped;

[0023] The X-direction positioning block is in a "T" shape; one end of the X-direction positioning block is connected to the X-direction positioning connection block through a positioning block rubber pad, and the other end extends into the first through hole to be horizontally engaged with the optical machine body and connected to the TIR prism; a third positioning hole is provided on the X-direction positioning block for arranging a UV lamp assembly.

[0024] By utilizing the first piston rod of the X-direction positioning cylinder to connect the X-direction positioning connection block, the X-direction positioning block connected thereto can be extended into the optical machine body and engaged therewith to limit the optical machine body in the horizontal direction, and the TIR prism is connected so that the two are in full contact, thereby improving the assembly accuracy of the device; at the same time, a UV lamp assembly is arranged using the third positioning hole on the X-direction positioning block, so that it is convenient to extend into the interior of the optical machine body to irradiate and cure the UV glue around the TIR prism, thereby improving the curing efficiency.

[0025] Furthermore, the Y-direction cylinder assembly comprises:

[0026] The first positioning cylinder base in the Y direction is vertically fixedly mounted on the bottom plate;

[0027] A second positioning cylinder base in the Y direction, which is fixedly mounted on the first positioning cylinder base in the Y direction and is arranged perpendicular to the first positioning cylinder base in the Y direction;

[0028] The Y-direction positioning cylinder is vertically mounted on the base of the second Y-direction positioning cylinder; the Y-direction positioning cylinder is connected to the Y-direction positioning block via the second piston rod; the Y-direction positioning block is T-shaped, with one end away from the second piston rod extending into the second through hole and vertically engaging with the optical machine body.

[0029] The Y-direction positioning block is connected by utilizing the second piston rod of the Y-direction positioning cylinder, so that the Y-direction positioning block connected thereto can extend into the optical machine body and engage therewith to realize the limitation of the optical machine body in the vertical direction.

[0030] Furthermore, the pressure of the Y-direction positioning cylinder is at least twice the pressure of the X-direction positioning cylinder.

[0031] By setting the pressure of the Y-direction positioning cylinder to twice that of the X-direction positioning cylinder, it can be ensured that the optical machine body will not loosen or tilt in the X and Y directions after the cylinder is pushed in.

[0032] Further, the TIR prism comprises:

[0033] a light incident surface, which is arranged opposite to the second support base; the light incident surface is connected to the second support base through a first alloy steel ball group embedded in the second support base; the first alloy steel ball group includes 4 alloy steel balls; wherein 2 of the alloy steel balls are respectively embedded at two ends of the first edge, and 2 of the alloy steel balls are respectively embedded at two ends of the second edge;

[0034] The light emitting surface is arranged opposite to the X-direction positioning block; the light emitting surface is connected to the X-direction positioning block through a second alloy steel ball group embedded on the X-direction positioning block; the second alloy steel ball group includes 2 alloy steel balls.

[0035] By making the light-emitting surface of the TIR prism fully contact with the main body positioning seat through the first alloy steel ball group, and the light-incident surface fully contact with the X-direction positioning block through the second alloy steel ball group, the side surface is fully contacted with the optical machine body, which can facilitate confirmation of the position of the light spot of the laser emitted by the laser pen on the optical target plate when the optical path is looped, and then use the optical target plate to determine whether the light spot is qualified; at the same time, by utilizing the high hardness, wear resistance and smoothness of the alloy steel balls, accurate positioning can be achieved, and the TIR prism is not easily scratched, thereby extending the service life of the TIR prism.

[0036] Furthermore, the outer side of the TIR prism and the gap in the optical machine body are glued together by UV glue.

[0037] Furthermore, the UV lamp assembly comprises:

[0038] A first UV lamp assembly, comprising a first UV lamp and a UV lamp base; the UV lamp base is mounted on the bottom plate; a first UV lamp mounting hole is provided on the UV lamp base; one end of the first UV lamp is mounted on the UV lamp base through the first UV lamp mounting hole and is arranged toward the optical machine body, and the other end of the first UV lamp extends into the optical machine body through the first positioning hole, and is used for irradiating and curing the UV glue between the TIR prism and the optical machine body;

[0039] A second UV lamp assembly, comprising a second UV lamp; one end of the second UV lamp is connected to the first positioning cylinder base in the Y direction through a second UV lamp mounting hole preset on the side wall of the first positioning cylinder base in the Y direction, and the other end of the second UV lamp extends into the optical machine body through the second positioning hole, and is used for irradiating and curing the UV glue between the TIR prism and the optical machine body;

[0040] The third UV lamp assembly comprises a third UV lamp; the third UV lamp extends into the optical machine body through the third positioning hole, and is used for irradiating and curing the UV glue between the TIR prism and the optical machine body.

[0041] By arranging UV lamp assemblies in different directions, different UV lamps can irradiate and cure the UV glue at their corresponding positions. The use of multiple UV lamp assemblies can achieve one-time three-dimensional fixation, thereby improving the curing efficiency.

[0042] Furthermore, feet are provided at the bottom of the base plate for supporting the base plate.

[0043] The beneficial effects of the utility model are:

[0044] The utility model sets a cylinder assembly to limit the position of the optical machine body in the horizontal direction and vertical direction to avoid its deviation and achieve high-precision positioning; and the laser emitted by the laser pen installed on the optical target plate can be reflected by the TIR prism and the reflector in turn and then return to the center of the optical target plate through the TIR prism again to form an optical path loop for optical path calibration detection to achieve accurate detection. By setting UV lamp assemblies in different directions, different UV lamps can irradiate and cure the UV glue at their corresponding positions. The use of multiple UV lamp assemblies can achieve one-time three-dimensional fixation, thereby improving the curing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a structural schematic diagram of the utility model;

[0046] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0047] Figure 3 It is a left-side structural schematic diagram of the utility model;

[0048] Figure 4 It is a structural schematic diagram of the main body positioning seat;

[0049] Figure 5 Partial schematic diagram of TIR prism connection;

[0050] Reference numerals:

[0051] 1. Base plate; 11. Footrest;

[0052] 2. Main body positioning seat; 21. First support base; 22. Second support base; 221. Groove; 222. First edge; 223. Second edge; 23. Third support base;

[0053] 3. Optical machine body;

[0054] 41. X-direction cylinder assembly; 411. X-direction positioning cylinder base; 412. X-direction positioning cylinder; 4121. first piston rod; 413. X-direction positioning connecting block; 414. X-direction positioning block; 415. positioning block rubber pad;

[0055] 42, Y-direction cylinder assembly; 421, Y-direction first positioning cylinder base; 422, Y-direction second positioning cylinder base; 423, Y-direction positioning cylinder; 4231, second piston rod; 424, Y-direction positioning block;

[0056] 511, first UV lamp; 512, UV lamp base; 513, first UV lamp mounting hole; 521, second UV lamp; 531, third UV lamp;

[0057] 6. TIR prism;

[0058] 71. a first alloy steel ball group; 72. a second alloy steel ball group;

[0059] 81. laser pen; 811. laser pen positioning block; 82. optical target plate; 821. laser pen positioning hole;

[0060] 9. Reflector. DETAILED DESCRIPTION

[0061] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0062] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0063] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0064] Figures 1 to 3 What is shown is a TIR prism assembly detection device, including a base plate 1, a main body positioning seat 2, an optical machine body 3, a cylinder assembly, a laser pen 81, an optical target plate 82, a TIR prism 6, a reflector 9, a UV lamp assembly, and an alloy steel ball group. The cylinder assembly is set to limit the position of the optical machine body 3 horizontally and vertically to avoid its deviation and achieve high-precision positioning; and the laser emitted by the laser pen 81 installed on the optical target plate 82 can be reflected by the TIR prism 6 and the reflector 9 in turn, and then pass through the TIR prism 6 again to return to the center of the optical target plate 82 to form an optical path loop, which is used for optical path calibration detection to achieve accurate detection.

[0065] Specifically, the bottom plate 1 has a plurality of feet 11 disposed at the bottom of the bottom plate 1 for supporting the bottom plate 1 to ensure the stability of the device.

[0066] Specifically, if Figure 4 As shown, the main body positioning seat 2 is fixedly mounted on one end of the upper surface of the bottom plate 1; the main body positioning seat 2 includes:

[0067] The first support base 21 is in the form of a rectangular parallelepiped; the first support base 21 is fixedly mounted on the bottom plate 1 by bolts to play a supporting role;

[0068] The second support base 22 is in the shape of a rectangular parallelepiped; a groove 221 is provided on the second support base 22, and the surface of the groove 221 is arranged vertically upward, for fitting the reflector 9 and fixing it by gluing; the convex positions at both ends of the groove 221 respectively form a first edge 222 and a second edge 223, and alloy steel beads are respectively embedded on the first edge 222 and the second edge 223, so as to support the TIR prism 6, so that the TIR prism 6 is located directly above the reflector 9, so as to facilitate the use of the reflector 9 to realize the reflection of the laser, thereby facilitating the detection of the device;

[0069] The third support base 23 is cylindrical; the upper bottom surface of the third support base 23 supports the second support base 22, and the lower bottom surface is fixedly mounted on the first support base 21, and the support height of the main body positioning seat 2 can be controlled by its height.

[0070] Specifically, the optical machine body 3 is a hollow shell; the optical machine body 3 is sleeved outside the main body positioning seat 2, and the optical machine body 3 is installed on the main body positioning seat 2 through a pin and a preset pin positioning hole; the optical machine body 3 is provided with a first positioning hole, a first through hole, a second positioning hole, and a second through hole;

[0071] Among them, the first positioning hole, the first through hole, and the second positioning hole are sequentially opened on three sides of the optical machine body 3 and have the same height; the first through hole is used to connect the X-direction cylinder assembly 41; the first positioning hole and the second positioning hole are respectively used to set the UV lamp assembly;

[0072] The second through hole is provided on the top surface of the optical machine body 3 and is used for connecting the Y-direction cylinder assembly 42 .

[0073] In this embodiment, a third through hole is further provided on the optical machine body 3 for installing and placing the TIR prism 6 .

[0074] By opening different through holes at different positions of the optical machine body 3, it is convenient to connect the cylinder assembly in different directions, so that the position of the optical machine body 3 can be limited by the cylinder assembly to prevent it from being offset; at the same time, by opening different positioning holes at different positions of the optical machine body 3, it is convenient to install the UV lamp assembly in different directions, so that the UV lamp can be extended into the interior of the optical machine body 3 to irradiate and cure the UV glue around the TIR prism 6, thereby improving the curing efficiency.

[0075] Specifically, the cylinder assembly includes an X-direction cylinder assembly 41 and a Y-direction cylinder assembly 42; the X-direction cylinder assembly 41 horizontally fixes and restricts the optical machine body 3, and the Y-direction cylinder assembly 42 vertically fixes and restricts the optical machine body 3;

[0076] Wherein, the X-direction cylinder assembly 41 comprises:

[0077] An X-direction positioning cylinder base 411, which is fixedly mounted on the bottom plate 1 by bolts and is located between the optical target plate 82 and the optical machine body 3;

[0078] The X-direction positioning cylinder 412 is disposed on the X-direction positioning cylinder base 411; the X-direction positioning cylinder 412 is connected to the X-direction positioning connection block 413 through the first piston rod 4121; the X-direction positioning connection block 413 is "L" shaped;

[0079] The X-direction positioning block 414 is in a "T" shape; one end of the X-direction positioning block 414 is connected to the X-direction positioning connection block 413 through the positioning block rubber pad 415, and the other end extends into the first through hole to be horizontally embedded with the optical machine body 3 and connected to the TIR prism 6. The X-direction positioning connection block 413 is connected by using the first piston rod 4121 of the X-direction positioning cylinder 412, so that the X-direction positioning block 414 connected thereto can be extended into the optical machine body 3 and embedded therewith to achieve horizontal limitation of the optical machine body 3, and the buffering effect of the positioning block rubber pad 415 can make up for the slight size difference between different optical machine bodies 3, so that the X-direction positioning block 414 is fully in contact with the surface of the optical machine body 3, thereby improving the assembly accuracy; a third positioning hole is provided on the X-direction positioning block 414 for setting a UV lamp assembly, so that it is convenient for it to extend into the interior of the optical machine body 3 to irradiate and cure the UV glue around the TIR prism 6, thereby improving the curing efficiency.

[0080] Wherein, the Y-direction cylinder assembly 42 comprises:

[0081] The first positioning cylinder base 421 in the Y direction is vertically fixed on the bottom plate 1 by bolts;

[0082] The second positioning cylinder base 422 in the Y direction is fixedly mounted on the first positioning cylinder base 421 in the Y direction by bolts and is arranged perpendicular to the first positioning cylinder base 421 in the Y direction;

[0083] The Y-direction positioning cylinder 423 is vertically mounted on the Y-direction second positioning cylinder base 422 by bolts; the Y-direction positioning cylinder 423 is connected to the Y-direction positioning block 424 via the second piston rod 4231, so that the Y-direction positioning block 424 connected to it can extend into the optical machine body 3 and engage with it to achieve vertical limitation of the optical machine body 3; the Y-direction positioning block 424 is "T-shaped", and its end away from the second piston rod 4231 extends into the second through hole and engages with the optical machine body 3 in the vertical direction.

[0084] The pressure of the Y-direction positioning cylinder 423 is at least twice that of the X-direction positioning cylinder 412, which can ensure that after the cylinder is pushed in, the optical machine body 3 will not become loose or tilted in the X and Y directions.

[0085] In this embodiment, the pressure of the X-direction positioning cylinder 412 is set to 0.2 MPa, and the pressure of the Y-direction positioning cylinder 423 is set to 0.5 MPa.

[0086] Specifically, if Figure 5 As shown, the TIR prism 6 comprises:

[0087] The light incident surface is arranged opposite to the second support base 22; the light incident surface is connected to the second support base 22 through a first alloy steel ball group 71 embedded on the second support base 22; the first alloy steel ball group 71 includes 4 alloy steel balls; wherein 2 alloy steel balls are respectively embedded at both ends of the first edge 222, and 2 alloy steel balls are respectively embedded at both ends of the second edge 223;

[0088] The light emitting surface is arranged opposite to the X-direction positioning block 414 ; the light emitting surface is connected to the X-direction positioning block 414 through a second alloy steel ball group 72 embedded on the X-direction positioning block 414 ; the second alloy steel ball group 72 includes 2 alloy steel balls.

[0089] By making the light-emitting surface of the TIR prism 6 fully contact with the main body positioning seat 2 through the first alloy steel ball group 71 and the light-incident surface fully contact with the X-direction positioning block 414 through the second alloy steel ball group 72, the side surface is fully contacted with the optical machine body 3, which can facilitate confirmation of the position of the light spot of the laser emitted by the laser pen 81 on the light target plate 82 when the light path is looped, and then use the light target plate 82 to determine whether the light spot is qualified; at the same time, by utilizing the high hardness, wear resistance and smoothness of the alloy steel balls, accurate positioning can be achieved, and the TIR prism 6 is not easily scratched while supporting it, thereby extending the service life of the TIR prism 6.

[0090] In this embodiment, the outer side of the TIR prism 6 and the gap inside the optical machine body 3 are glued together by UV glue.

[0091] Specifically, the UV lamp assembly includes:

[0092] The first UV lamp assembly includes a first UV lamp 511 and a UV lamp base 512; the UV lamp base 512 is mounted on the bottom plate 1 by bolts; a first UV lamp mounting hole 513 is provided on the UV lamp base 512; one end of the first UV lamp 511 is mounted on the UV lamp base 512 through the first UV lamp mounting hole 513 and is disposed toward the optical machine body 3, and the other end extends into the optical machine body 3 through the first positioning hole, and is used for irradiating and curing the UV glue between the TIR prism 6 and the optical machine body 3;

[0093] The second UV lamp assembly includes a second UV lamp 521; one end of the second UV lamp 521 is connected to the first positioning cylinder base 421 in the Y direction through a second UV lamp mounting hole preset on the side wall of the first positioning cylinder base 421 in the Y direction, and the other end extends into the optical machine body 3 through the second positioning hole, and is used for irradiating and curing the UV glue between the TIR prism 6 and the optical machine body 3;

[0094] The third UV lamp assembly includes a third UV lamp 531 ; the third UV lamp 531 extends into the optical machine body 3 through a third positioning hole, and is used for irradiating and curing the UV glue between the TIR prism 6 and the optical machine body 3 .

[0095] By arranging UV lamp assemblies in different directions, different UV lamps can irradiate and cure the UV glue between the TIR prism 6 and the optical machine body 3. The use of multiple UV lamp assemblies can achieve one-time three-dimensional fixation, thereby improving the curing efficiency.

[0096] Specifically, the laser pen 81 is mounted on the other end of the upper surface of the base plate 1 and is detachably connected to the base plate 1 through the laser pen positioning block 811, so as to adjust the position of the light spot received by the optical target plate 82 on the optical target plate 82 to realize the calibration of the device.

[0097] Specifically, the optical target plate 82 is arranged at the front end of the laser pen 81 and is connected to the laser pen 81 through a laser pen positioning hole 821 opened in the center of the optical target plate 82, so that the laser emitted by the laser pen 81 is refracted through the TIR prism 6, reflected by the reflector 9, and then refracted back to the center of the optical target plate 82 through the TIR prism 6, and then the device is calibrated by whether the received light spot is qualified.

[0098] The working method of the utility model is:

[0099] When calibrating, a standard optical machine body 3 and TIR prism 6 device are used, and the positions of the laser pen 81 and the optical target plate 82 are adjusted by the laser pen positioning block 811, so that the laser emitted by the laser pen 81 can be refracted through the TIR prism 6, reflected by the reflector 9, and then refracted through the TIR prism 6 back to the center of the optical target plate 82, thereby realizing the calibration of the device.

[0100] During installation, first use pins to install the optical machine body 3 on the main body positioning seat 2 to complete the installation of the optical machine body 3; then push the Y-direction positioning cylinder 423 vertically upward and connect the optical machine body 3 through the Y-direction positioning block 424, and push the X-direction positioning cylinder 412 horizontally upward and connect the optical machine body 3 through the X-direction positioning block 414 to complete the installation of the cylinder assembly; then put the TIR prism 6 into the optical machine body 3, and make its light-emitting surface fully contact with the main body positioning seat 2 through the first alloy steel ball assembly 71, the light-entering surface fully contact with the X-direction positioning block 414 through the second alloy steel ball assembly 72, and the side surface fully contact with the side wall of the optical machine body 3, and by adjusting the position of the TIR prism 6, the laser spot returned to the light target plate 82 by the laser pen 81 meets the qualified standard, and the installation of the TIR prism 6 is completed; finally, UV glue is injected into the gap between the outer side of the TIR prism 6 and the optical machine body 3, and the UV glue is irradiated by UV lamp assemblies in different directions for curing, and the installation of the device is completed.

[0101] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A TIR prism assembly detection device, characterized in that: include: Base plate; A main body positioning seat, which is fixedly mounted on one end of the upper surface of the bottom plate; a reflector is embedded on the main body positioning seat, and a TIR prism is arranged directly above the reflector; The optical machine main body is installed on the main body positioning seat; The cylinder assembly includes an X-direction cylinder assembly and a Y-direction cylinder assembly; the X-direction cylinder assembly horizontally fixes and restricts the optical machine body, and the Y-direction cylinder assembly vertically fixes and restricts the optical machine body; A laser pen, which is mounted on the other end of the upper surface of the base plate through a laser pen positioning block; The optical target plate is arranged at the front end of the laser pen and connected to the laser pen through a laser pen positioning hole opened in the center of the optical target plate, so that the laser emitted by the laser pen is refracted through the TIR prism, reflected by the reflector, and then refracted through the TIR prism back to the center of the optical target plate.

2. A TIR prism assembly detection device according to claim 1, characterized in that: The main body positioning seat comprises: A first support base, which is in the shape of a rectangular parallelepiped; the first support base is fixedly mounted on the bottom plate by bolts; A second supporting base is in the form of a rectangular parallelepiped; a groove is provided on the second supporting base, and the groove surface is arranged vertically upward, for fitting the reflector; the raised positions at both ends of the groove respectively form a first edge and a second edge for supporting the TIR prism; The third support base is in the form of a column; the upper bottom surface of the third support base supports the second support base, and the lower bottom surface is fixedly mounted on the first support base.

3. A TIR prism assembly detection device according to claim 2, characterized in that: The optical machine body is a hollow shell; the optical machine body is provided with a first positioning hole, a first through hole, a second positioning hole, and a second through hole; The first positioning hole, the first through hole, and the second positioning hole are sequentially opened on three sides of the optical machine body and have the same height; the first through hole is used to connect the X-direction cylinder assembly; the first positioning hole and the second positioning hole are respectively used to set the UV lamp assembly; The second through hole is provided on the top surface of the optical machine body and is used for connecting the Y-direction cylinder assembly.

4. A TIR prism assembly detection device according to claim 3, characterized in that: The X-direction cylinder assembly comprises: An X-direction positioning cylinder base, which is fixedly mounted on the bottom plate and located between the optical target plate and the optical machine body; An X-direction positioning cylinder is arranged on the X-direction positioning cylinder base; the X-direction positioning cylinder is connected to the X-direction positioning connection block through a first piston rod; the X-direction positioning connection block is "L" shaped; The X-direction positioning block is in a "T" shape; one end of the X-direction positioning block is connected to the X-direction positioning connection block through a positioning block rubber pad, and the other end extends into the first through hole to be horizontally engaged with the optical machine body and connected to the TIR prism; a third positioning hole is provided on the X-direction positioning block for setting a UV lamp assembly.

5. A TIR prism assembly detection device according to claim 4, characterized in that: The Y-direction cylinder assembly comprises: The first positioning cylinder base in the Y direction is vertically fixedly mounted on the bottom plate; A second positioning cylinder base in the Y direction, which is fixedly mounted on the first positioning cylinder base in the Y direction and is arranged perpendicular to the first positioning cylinder base in the Y direction; The Y-direction positioning cylinder is vertically mounted on the base of the second Y-direction positioning cylinder; the Y-direction positioning cylinder is connected to the Y-direction positioning block via the second piston rod; the Y-direction positioning block is "T-shaped", and one end away from the second piston rod extends into the second through hole and is vertically engaged with the optical machine body.

6. A TIR prism assembly detection device according to claim 5, characterized in that: The pressure of the Y-direction positioning cylinder is at least twice the pressure of the X-direction positioning cylinder.

7. A TIR prism assembly detection device according to claim 4, characterized in that: The TIR prism, comprising: a light incident surface, which is arranged opposite to the second support base; the light incident surface is connected to the second support base through a first alloy steel ball group embedded in the second support base; the first alloy steel ball group includes 4 alloy steel balls; wherein 2 of the alloy steel balls are respectively embedded at two ends of the first edge, and 2 of the alloy steel balls are respectively embedded at two ends of the second edge; The light emitting surface is arranged opposite to the X-direction positioning block; the light emitting surface is connected to the X-direction positioning block through a second alloy steel ball group embedded on the X-direction positioning block; the second alloy steel ball group includes 2 alloy steel balls.

8. A TIR prism assembly detection device according to claim 7, characterized in that: The outer side of the TIR prism and the gap in the optical machine body are glued together by UV glue.

9. A TIR prism assembly detection device according to claim 8, characterized in that: The UV lamp assembly comprises: A first UV lamp assembly, comprising a first UV lamp and a UV lamp base; the UV lamp base is mounted on the bottom plate; a first UV lamp mounting hole is provided on the UV lamp base; one end of the first UV lamp is mounted on the UV lamp base through the first UV lamp mounting hole and is arranged toward the optical machine body, and the other end of the first UV lamp extends into the optical machine body through the first positioning hole, and is used for irradiating and curing the UV glue between the TIR prism and the optical machine body; A second UV lamp assembly, comprising a second UV lamp; one end of the second UV lamp is connected to the first positioning cylinder base in the Y direction through a second UV lamp mounting hole preset on the side wall of the first positioning cylinder base in the Y direction, and the other end of the second UV lamp extends into the optical machine body through the second positioning hole, and is used for irradiating and curing the UV glue between the TIR prism and the optical machine body; The third UV lamp assembly comprises a third UV lamp; the third UV lamp extends into the optical machine body through the third positioning hole, and is used for irradiating and curing the UV glue between the TIR prism and the optical machine body.

10. The TIR prism assembly detection device according to claim 1, characterized in that: The bottom of the base plate is provided with feet for supporting the base plate.