Projector test tool

Abstract

The utility model relates to the technical field of test equipment, and provides a projector test tool, which comprises a mounting seat, a test board and a reflection assembly, the mounting seat is used for mounting a projector; the test board comprises a bottom plate and a vertical plate which are vertically arranged; the mounting seat is movably arranged on the bottom plate so as to be close to or away from the vertical plate; the vertical plate is provided with a first projection surface, the bottom plate is provided with a second projection surface, and the first projection surface and the second projection surface both face the mounting seat; the reflecting assembly comprises a mounting frame and a reflecting mirror, the mounting frame is arranged on the bottom plate, the reflecting mirror is rotatably arranged on the mounting frame, and the vertical plate and the mounting base are arranged on the two sides of the reflecting mirror respectively; wherein the first projection surface is used for receiving a direct light path of the projector, and the second projection surface is used for receiving a reflection light path of the projector. The projector test tool can accurately simulate various working conditions of the projector in actual use, improves the test efficiency, enhances the reliability and accuracy of the test result, and expands the test scene of the projector.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, and in particular to a projector testing fixture. Background Technology

[0002] As projection technology becomes more diversified and complex, traditional projector testing fixtures, which only test parameters of the direct light path, are insufficient to meet the evaluation requirements of new projection devices and special application scenarios. In situations such as rear projection systems, where mirrors are used to expand the projection angle and spatial layout, the brightness, contrast, resolution, color parameters, and lens parameters of the light emitted by the projector change after being reflected by the mirrors. Existing testing fixtures cannot effectively and systematically detect the reflected light path, making it impossible to accurately assess the projector's true performance under reflected light path conditions. This hinders projector optimization, upgrades, and quality control, and fails to meet the testing requirements of various scenarios. Utility Model Content

[0003] This invention provides a projector testing fixture to solve the problem that existing projector testing fixtures cannot meet the testing requirements of reflected light paths and have limited testing scenarios.

[0004] This utility model provides a projector testing fixture, including: a mounting base, the mounting base being used to mount a projector;

[0005] A test stand, comprising a base plate and a vertical plate, wherein the base plate and the vertical plate are arranged perpendicularly;

[0006] The mounting base is movably disposed on the base plate to be close to or away from the upright plate; the upright plate has a first projection surface, and the base plate has a second projection surface, both the first projection surface and the second projection surface being disposed towards the mounting base;

[0007] A reflective assembly, comprising a mounting bracket and a reflector, wherein the mounting bracket is mounted on the base plate, the reflector is rotatably mounted on the mounting bracket, and the upright plate and the mounting base are respectively disposed on both sides of the reflector;

[0008] The first projection surface is used to receive the direct light path of the projector, and the second projection surface is used to receive the reflected light path of the projector.

[0009] According to the present invention, a projector testing fixture is provided, wherein the reflector includes a mirror body and a rotating shaft;

[0010] The rotating shaft is provided in two parts, and the two rotating shafts are located on both sides of the mirror body;

[0011] The mounting bracket includes two parallel plates, the lower end of which is located on the base plate, and the upper end of which has a mounting hole, into which the rotating shaft is inserted.

[0012] According to the present invention, a projector testing fixture is provided, wherein the reflective component further includes: an angle ruler and a pointer;

[0013] The angle ruler is located at the upper end of one of the two plates, and the pointer is rotatably located on the side of the angle ruler away from the plate. The pointer is connected to one of the two rotating shafts.

[0014] According to the present invention, a projector testing fixture is provided, wherein the testing platform further includes a translation component;

[0015] The mounting base and the base plate are connected by the translation assembly, which is used to drive the mounting base to move in a direction closer to or further away from the upright plate.

[0016] According to the present invention, a projector testing fixture is provided, the translation component comprising:

[0017] A slide rail is provided on the base plate and extends along the length of the base plate;

[0018] A slider is slidably disposed on the slide rail, and the mounting base is connected to the slider.

[0019] According to the present invention, a projector testing fixture is provided, wherein the slide rail is provided with two rails;

[0020] The two slide rails are arranged in parallel, and each slide rail is provided with two sliders. All four sliders are connected to the bottom of the mounting base.

[0021] According to the present invention, a projector testing fixture is provided, wherein the testing platform further includes: a scale;

[0022] The scale is mounted on the base plate and located beside the slide rail, with the length direction of the scale parallel to the length direction of the slide rail.

[0023] According to the projector testing fixture provided by this utility model, the testing platform further includes:

[0024] A frame, wherein the frame is disposed at the bottom of the base plate;

[0025] A walking mechanism is connected to the frame and is used to drive the movement of the frame.

[0026] According to the present invention, a projector testing fixture includes:

[0027] A base body, which is movably disposed on the base plate;

[0028] An adapter plate is provided, through which the projector is connected to the base; the adapter plate is configured to have multiple specifications, each specification of the adapter plate being adapted to a corresponding projector.

[0029] According to the present invention, a projector testing fixture is provided, wherein a diffuse reflection coating is provided on the first projection surface of the upright plate and the second projection surface of the base plate.

[0030] The projector testing fixture provided by this utility model, by setting up a mounting base, a test platform and a reflective component, can test the performance parameters of the projector's reflected light path by rotating the reflector relative to the mounting base. By adjusting the distance between the mounting base and the upright plate, it can test various performance parameters of the projector at different projection distances. This allows the testing fixture to accurately simulate various actual operating conditions of the projector, improving testing efficiency and enhancing the reliability and accuracy of test results. Furthermore, the testing fixture can not only test the projector's direct light path but also detect the projector's reflected light path, expanding the testing scenarios for projectors. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0032] Figure 1 This is a three-dimensional structural diagram of the testing fixture provided by this utility model when used for testing reflected light paths.

[0033] Figure 2 This is a three-dimensional structural diagram of the testing fixture provided by this utility model when used for direct optical path testing.

[0034] Figure 3 This is a three-dimensional structural diagram of the test platform provided by this utility model.

[0035] Figure 4 This is a three-dimensional structural diagram of the reflective component provided by this utility model.

[0036] Figure 5 This utility model provides Figure 4 A magnified view of part A.

[0037] Figure 6This is an exploded view of the installation of the projector and reflective assembly provided by this utility model.

[0038] Figure label:

[0039] 1. Testing fixtures;

[0040] 11. Mounting base; 12. Test platform; 13. Reflecting component; 111. Base; 112. Adapter plate; 121. Vertical plate; 122. Base plate; 123. Translation component; 124. Scale; 125. Frame; 126. Walking mechanism; 131. Mounting bracket; 132. Reflector; 133. Angle ruler; 134. Pointer; 1111. Top panel; 1112. Support frame; 1113. Bottom panel; 1211. First projection surface; 1221. Second projection surface; 1231. Slide rail; 1232. Slider;

[0041] 2. Projector. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0043] In the description of the embodiments of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of clarifying the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0044] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model according to the specific circumstances.

[0045] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0046] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0047] The following is combined Figures 1 to 6 The projector testing fixture provided in this utility model will be described in detail through specific embodiments and application scenarios.

[0048] like Figure 1 and Figure 2 As shown, this embodiment provides a projector testing fixture 1, including: a mounting base 11, a testing platform 12, and a reflective component 13.

[0049] Mounting bracket 11 is used to mount projector 2.

[0050] The test stand 12 includes a base plate 122 and a vertical plate 121, which are arranged vertically. The mounting base 11 is movably disposed on the base plate 122 to be close to or away from the vertical plate 121. The vertical plate 121 has a first projection surface 1211, and the base plate 122 has a second projection surface 1221. Both the first projection surface 1211 and the second projection surface 1221 are arranged facing the mounting base 11.

[0051] The reflective assembly 13 includes a mounting bracket 131 and a reflector 132. The mounting bracket 131 is disposed on the base plate 122, and the reflector 132 is rotatably disposed on the mounting bracket 131. The upright plate 121 and the mounting base 11 are respectively disposed on both sides of the reflector 132.

[0052] The first projection surface 1211 is used to receive the direct light path of the projector 2, and the second projection surface 1221 is used to receive the reflected light path of the projector 2.

[0053] It is understood that the mounting base 11 in this embodiment provides a mounting support for the projector 2 and can drive the projector 2 to move horizontally on the test platform 12 to change the relative distance between the light path emitted by the projector 2 and the test platform 12.

[0054] To ensure testing effectiveness, in this embodiment, the upright plate 121 is vertically positioned, and the base plate 122 is horizontally positioned. The upright plate 121 is used to receive the direct light path emitted horizontally by the projector 2 and form a test image on the upright plate 121. The base plate 122 is used to receive the light path reflected by the reflector 132 from the projector 2 and form a test image on the base plate 122.

[0055] A reflector 132 is mounted between the mounting base 11 and the upright plate 121. Light emitted from the projector 2 is reflected by the reflector 132, changing its direction and directing it towards the base plate 122, forming a test image on the second projection surface 1221. The reflector 132 can rotate around the mounting bracket 131. As the angle between the reflector 132 and the vertical direction changes, the angle of the incident light path on the reflector 132 also changes, consequently altering the angle between the reflected light path and the vertical direction. This results in changes to the brightness, contrast, resolution, and color parameters of the reflected light path. By measuring these parameters at different rotation angles, the performance of the projector 2 under various reflection conditions can be tested.

[0056] Specifically, the mounting base 11 can be detachably connected to the base plate 122, such as... Figure 1 As shown, during the test of the reflected light path, the reflector 132 is installed between the upright plate 121 and the mounting base 11. Figure 2 As shown, during the direct light path test, the mounting bracket 131 is removed from the base plate 122. The light path emitted by the projector 2 shines directly onto the vertical plate 121, forming a test image on the first projection surface 1211.

[0057] Furthermore, whether it is a straight light path test or a reflected light path test, the mounting base 11 can only move relative to the base plate 122 to change the distance between the projector 2 and the upright plate 121, thereby facilitating the detection of various performance parameters of the projector 2 at different projection distances, and better matching the performance of the projector 2 in different scenarios in actual applications.

[0058] In practical applications, when a test image is projected onto the first projection surface 1211 or the second projection surface 1221, various performance parameters of the optical path can be measured using a luminance meter, colorimeter, grayscale test board, etc. By adjusting the distance between the mounting base 11 and the upright plate 121, or the rotation angle of the reflector 132, various performance parameters under different distances or different rotation angles can be tested, thereby accurately evaluating the projection performance of the projector 2.

[0059] The projector testing fixture 1 provided by this utility model, by setting up a mounting base 11, a test platform 12 and a reflective component 13, can test the performance parameters of the reflected light path of the projector 2 by rotating the reflector 132 relative to the mounting base 11. By adjusting the distance between the mounting base 11 and the upright plate 121, it can test various performance parameters of the projector 2 at different projection distances. This allows the testing fixture 1 to accurately simulate various actual operating conditions of the projector 2, improving testing efficiency and enhancing the reliability and accuracy of test results. Furthermore, the testing fixture 1 can not only test the direct light path of the projector 2, but also detect the reflected light path of the projector 2, expanding the testing scenarios for the projector 2.

[0060] like Figure 4 and Figure 5 As shown, the reflector 132 in this embodiment includes a mirror body and a rotating shaft.

[0061] There are two rotating shafts, located on both sides of the mirror body.

[0062] Mounting bracket 131 includes two parallel plates. The lower end of the plates is located on the base plate 122, and the upper end of the plates has mounting holes, into which the rotating shaft is inserted.

[0063] Understandably, in this embodiment, the rotation of the mirror body relative to the mounting bracket 131 is achieved by rotating the shaft relative to the mounting hole, thereby adjusting the angle of the reflecting surface relative to the vertical direction.

[0064] The mounting bracket 131 has two plates that can support the mirror body from both sides and support its rotation from both sides, which is beneficial to the stability and reliability of the mirror body's rotation.

[0065] like Figure 4 and Figure 5 As shown, the reflective component 13 in this embodiment also includes an angle ruler 133 and a pointer 134.

[0066] Angle ruler 133 is located at the upper end of one of the two plates, and pointer 134 is rotatably located on the side of angle ruler 133 away from the plate. Pointer 134 is connected to one of the two rotating shafts.

[0067] Understandably, the angle scale 133 has graduations from 0° to 180° to represent different rotation angles. The angle scale 133 can be mounted on the top of either of the two plates. Specifically, the center of the angle scale 133 coincides with the center of the rotating shaft. The rotating part of the pointer 134 is connected to the rotating shaft, and the indicating part of the pointer 134 can rotate along the graduations on the angle scale 133 to indicate different graduations. As the mirror body rotates, the rotating shaft rotates accordingly, causing the pointer 134 to rotate, thereby causing the indicating part of the pointer 134 to indicate different graduations, thus accurately representing the rotation angle of the mirror body.

[0068] like Figure 3 As shown, the test platform 12 in this embodiment also includes a translation component 123.

[0069] Mounting base 11 and base plate 122 are connected by translation assembly 123, which is used to drive mounting base 11 to move in a direction closer to or away from vertical plate 121.

[0070] Understandably, the translation component 123 can drive the mounting base 11 to move along the length of the base plate 122, so that the projector 2 is closer to the upright plate 121 or away from the upright plate 121.

[0071] Specifically, the translation component 123 can be manually controlled, or it can be electrically or pneumatically powered.

[0072] like Figure 3 As shown, the translation component 123 in this embodiment includes: a slide rail 1231 and a slider 1232.

[0073] The slide rail 1231 is provided on the base plate 122 and extends along the length of the base plate 122; the slider 1232 is slidably provided on the slide rail 1231, and the mounting base 11 is connected to the slider 1232.

[0074] Understandably, in order to facilitate the adjustment of the distance between the mounting base 11 and the upright plate 121, this embodiment provides a slide rail 1231 extending along the length direction of the base plate 122. The mounting base 11 is mounted on the slider 1232. Based on the movement of the slider 1232 along the slide rail 1231, the mounting base 11 moves along the base plate 122.

[0075] Because the slider 1232 and slide rail 1231 have precise guidance and high stability, and can be easily replaced and upgraded, the distance between the projector 2 and the upright plate 121 can be adjusted.

[0076] like Figure 3 As shown, the slide rail 1231 in this embodiment has two rails.

[0077] Two slide rails 1231 are arranged in parallel, and each slide rail 1231 is provided with two sliders 1232. All four sliders 1232 are connected to the bottom of the mounting base 11.

[0078] Understandably, since the mounting base 11 needs to accommodate the projector 2 and has a certain area, to ensure the stability of the sliding of the mounting base 11, this embodiment provides two slide rails 1231, and two sliders 1232 on each slide rail 1231. The two sliders 1232 are spaced apart, and the four sliders 1232 are respectively connected to the four corners of the bottom of the mounting base 11. When the mounting base 11 moves relative to the slide rails 1231, the four sliders 1232 provide even support to the bottom of the mounting base 11 and synchronously drive the mounting base 11 to move along the slide rails 1231, achieving the effect of stable movement of the mounting base 11.

[0079] like Figure 3 As shown, the test platform 12 in this embodiment also includes a scale 124.

[0080] The scale 124 is located on the base plate 122 and next to the slide rail 1231. The length direction of the scale 124 is parallel to the length direction of the slide rail 1231.

[0081] Understandably, the scale 124 has graduations that can accurately represent the movement distance of the mounting base 11 on the base plate 122. When testing the projector 2, the actual movement distance of the mounting base 11 can be recorded using the scale 124, thereby obtaining the performance parameters of the projector 2 at different pitches.

[0082] like Figure 3 As shown, the test platform 12 in this embodiment also includes a frame 125 and a walking mechanism 126.

[0083] The frame 125 is located at the bottom of the base plate 122; the walking mechanism 126 is connected to the frame 125 and is used to drive the movement of the frame 125.

[0084] Understandably, to enhance the stability of the test platform 12, the bottom of the base plate 122 in this embodiment is also provided with a frame 125. The frame 125 can be welded from steel frames or spliced ​​from profiles. The frame 125 can provide stable support for the base plate 122 and the upright plate 121.

[0085] Optionally, this embodiment also includes a walking mechanism 126, which can be a fuma wheel. The fuma wheel can drive the frame 125 to move and fix it, making it convenient for the test fixture 1 to move and switch in different test scenarios.

[0086] like Figure 6 As shown, the mounting base 11 in this embodiment includes a base body 111 and an adapter plate 112.

[0087] The base 111 is movably mounted on the base plate 122; the projector 2 is connected to the base 111 via an adapter plate 112; the adapter plate 112 is configured to have multiple specifications, and each specification of the adapter plate 112 is adapted to the corresponding projector 2.

[0088] Understandably, since the projector 2 has different specifications, in order to avoid frequent replacement of the base 111 when installing the projector 2 and the base 111, this embodiment provides an adapter plate 112. The adapter plate 112 has various specifications to adapt to projectors 2 with different installation specifications.

[0089] Optionally, the base 111 in this embodiment includes an upper panel 1111, a support frame 1112, and a lower panel 1113. The upper panel 1111 is located at the top of the support frame 1112, and the lower panel 1113 is located at the bottom of the support frame 1112. The upper panel 1111 is used to connect with the adapter plate 112, and the lower panel 1113 is used to connect with the slider 1232.

[0090] Specifically, the adapter plate 112 has a first mounting structure and a second mounting structure. The first mounting structure is used to connect with the projector 2, and the second mounting structure is used to connect with the base 111. The first mounting structures of different adapter plates 112 are different and are adapted to different projectors 2 respectively. The second mounting structures of different adapter plates 112 are the same and can be installed and removed from the base 111.

[0091] In this embodiment, by setting up an adapter plate 112, different adapter plates 112 can be used for different projectors 2, and different adapter plates 112 can be installed with the base 111, avoiding the need to set up multiple different bases 111, and facilitating the installation and disassembly of the projector 2 and the base 111.

[0092] like Figure 1 and Figure 2 As shown, both the first projection surface 1211 of the upright plate 121 and the second projection surface 1221 of the base plate 122 in this embodiment are provided with a diffuse reflection coating.

[0093] Understandably, the diffuse reflection coatings provided on the first projection surface 1211 and the second projection surface 1221 have good diffuse reflection performance, which can accurately measure the parameters of the projected image of the projector 2, and further improve the testing effect of the projector 2.

[0094] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A projector test fixture, comprising: The utility model relates to a test platform for projector, which comprises: a mounting seat for mounting a projector; a test platform comprising a base plate and a vertical plate, which are vertically arranged; the mounting seat is movably arranged on the base plate to move close to or away from the vertical plate; the vertical plate has a first projection surface, and the base plate has a second projection surface, both of which are arranged towards the mounting seat; a reflection assembly comprising a mounting frame and a mirror, the mounting frame is arranged on the base plate, and the mirror is rotatably arranged on the mounting frame, the vertical plate and the mounting seat are arranged on both sides of the mirror; wherein the first projection surface is used for receiving the direct light path of the projector, and the second projection surface is used for receiving the reflected light path of the projector.

2. The projector test tool of claim 1, wherein, the mirror comprises a mirror body and a rotating shaft; two rotating shafts are arranged on both sides of the mirror body; the mounting frame comprises two parallel plate bodies, the lower end of the plate body is arranged on the base plate, the upper end of the plate body has a mounting hole, and the rotating shaft is inserted into the mounting hole.

3. The projector test tool of claim 2, wherein, the reflection assembly further comprises an angle ruler and a pointer; the angle ruler is arranged at the upper end of one of the two plate bodies, the pointer is rotatably arranged on the side of the angle ruler away from the plate body, and the pointer is connected with one of the two rotating shafts.

4. The projector test tool of claim 1, wherein, the test platform further comprises a translation assembly; the mounting seat and the base plate are connected through the translation assembly, and the translation assembly is used for driving the mounting seat to move along the direction close to or away from the vertical plate.

5. The projector test tool of claim 4, wherein, the translation assembly comprises: a slide rail arranged on the base plate, which extends along the length direction of the base plate; a sliding block slidably arranged on the slide rail, and the mounting seat is connected with the sliding block.

6. The projector test tool of claim 5, wherein, the slide rail has two slide rails; the two slide rails are arranged in parallel, two sliding blocks are arranged on each slide rail, and four sliding blocks are connected with the bottom of the mounting seat.

7. The projector test tool of claim 5, wherein, the test platform further comprises a scale ruler; the scale ruler is arranged on the base plate and located beside the slide rail, and the length direction of the scale ruler is arranged in parallel with the length direction of the slide rail.

8. The projector test tool of claim 1, wherein, the test platform further comprises: a frame arranged at the bottom of the base plate; a walking mechanism connected with the frame, which is used for driving the movement of the frame.

9. The projector test tool of claim 1, wherein, the mounting seat comprises: a seat body movably arranged on the base plate; an adapter plate, the projector is connected with the seat body through the adapter plate, and the adapter plate is configured to have multiple specifications, each specification of the adapter plate is matched with the corresponding projector.

10. The projector test tool of claim 1, wherein, the first projection surface of the vertical plate and the second projection surface of the base plate are both provided with a diffuse reflection coating.

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