CN220472939U - Light source board test equipment - Google Patents

Abstract

The embodiment of the application provides a light source board test equipment for a plurality of lamp pearls of target area that the test is located on the light source board that awaits measuring, light source board test equipment includes: an optical conversion device and a testing device; the optical conversion device comprises a plurality of light guide elements, the light guide elements are respectively provided with light inlet ends and light outlet ends, the light inlet ends form light inlet lattices, the spatial arrangement of the light inlet lattices is matched with the spatial arrangement of a lamp bead lattice formed by the lamp beads in the target area, so that the light inlet ends can be opposite to the lamp beads in the target area in a one-to-one correspondence manner, and the testing device is used for receiving light rays emitted by the light outlet ends.

Description

Light source board test equipment

Technical Field

The application relates to the technical field of light source board testing, in particular to light source board testing equipment.

Background

In the light source board production process, the light source board needs to be tested. For example, parameters such as brightness, color temperature and the like of each lamp bead on the light source plate are tested. For some light source plates with special shapes, the problem that measurement of each lamp bead is inconvenient exists. For example, in the case that the light source board is a curved light source board, each bead is distributed on the surface of the curved light source board, and each bead needs to be tested by means of aligning a single test head with each bead. Thus, there is a problem in that it is inconvenient to test the lamp beads of the light source board.

Disclosure of Invention

The embodiment of the application provides a light source board test device, which aims to solve the problems in the background technology.

The embodiment of the application provides a light source board test equipment for test is located a plurality of lamp pearls of target area on the light source board that awaits measuring, light source board test equipment includes: an optical conversion device and a testing device; the optical conversion device comprises a plurality of light guide elements, wherein the light guide elements are respectively provided with a light inlet end and a light outlet end, each light inlet end forms a light inlet lattice, the spatial arrangement of the light inlet lattice is matched with the spatial arrangement of a lamp bead lattice formed by the lamp beads in the target area, so that each light inlet end can be opposite to the lamp beads in the target area in a one-to-one correspondence manner; the testing device is used for receiving the light rays emitted by the light emitting ends.

Optionally, the optical conversion device further comprises a support; the support comprises a light inlet side part and a light outlet side part, the light inlet ends of the light guide elements are respectively arranged on the light inlet side part, and the light outlet ends of the light guide elements are respectively arranged on the light outlet side part.

Optionally, the light incident side portion is provided with a cover surface, and the shape of the cover surface is adapted to the shape of the target area of the light source board to be tested, so that the cover surface can cover the target area of the light source board to be tested.

Optionally, the light guiding element comprises an optical fiber.

Optionally, the optical fiber includes a plurality of sub-optical fibers, and a first end of each sub-optical fiber is adjacent to each other to form the light entrance end, and a second end of each sub-optical fiber is adjacent to each other to form the light exit end.

Optionally, each light emitting end is located on the target plane.

Optionally, the testing device includes an imaging device, and each light emitting end is located in a scenic spot of the imaging device.

Optionally, the light source board testing device further includes a jig, where the jig is used to set the light source board to be tested.

Optionally, the light source board test device further comprises a base and a driver, the jig is in sliding connection with the base, the driver is in driving connection with the jig, and the driver is used for driving the jig to move between a feeding position and a test position.

Optionally, the base is provided with a first electric connector, the first electric connector is used for connecting a power supply, the jig is provided with a second electric connector, the second electric connector is used for connecting the light source board to be tested, and under the condition that the jig is located at the test position, the second electric connector is electrically connected with the first electric connector.

The above-mentioned at least one technical scheme that this application embodiment adopted can reach following beneficial effect:

in the embodiment of the application, the arrangement mode of each light inlet end can be adjusted according to the arrangement mode of the lamp beads, so that the light rays emitted by each lamp bead can be correspondingly emitted into each light inlet end. The light guide element can play a role similar to a light guide pipeline, and correspondingly transmits light to each light emitting end. The arrangement mode of each light emitting end can be adjusted according to the parameters of the test surface of the test device, so that the test device can be used for receiving the light rays emitted by each light emitting end. Therefore, the light emitted by the lamp beads, which are not matched with the test surface of the test device in the arrangement mode, can be adjusted to be in a state matched with the test surface of the test device by utilizing the light guide element, so that the lamp beads can be conveniently tested by utilizing the test device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

Fig. 1 is a schematic diagram of a light source board testing device according to an embodiment of the present application;

fig. 2 is a schematic diagram of a light source board testing device according to an embodiment of the present application;

fig. 3 is a view showing a case where components such as an electric control cabinet are hidden on the basis of the light source board test apparatus shown in fig. 2;

fig. 4 is a schematic diagram of an optical conversion device, a jig and a base according to an embodiment of the present application;

FIG. 5 is a schematic diagram of an optical conversion device according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of a portion of the structure of the holder hidden from view on the basis of the optical conversion device shown in FIG. 5;

fig. 7 is a schematic diagram of a fixture and a light source board to be tested according to an embodiment of the present application;

fig. 8 is a schematic cross-sectional view of a light guiding element according to an embodiment of the present application.

Reference numerals illustrate:

100-light source board testing equipment; 110-an optical conversion device; a 111-light guide element; 1111—an optical input end; 1112-light emitting end; 1113-a sub-fiber; 112-support; 1121—light entrance side; 1122-light-exiting side; 1123-capping; 1124-light exit face; 120-testing device; 130-an image pickup device; 140-jig; 141-a second electrical connector; 150-base; 151-a first electrical connector; 160-a control cabinet; 200-a light source plate to be tested; 210-lamp beads.

Detailed Description

For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Furthermore, although terms used in the present application are selected from publicly known and commonly used terms, some terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. It is required that the present application be understood, not simply by the actual terms used but by the meaning of each term lying within.

The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.

The embodiment of the application provides a light source board test device. Referring to fig. 1 to 8, a light source board testing apparatus 100 provided in an embodiment of the present application is used to test a plurality of light beads 210 located in a target area on a light source board 200 to be tested.

The light source board test apparatus 100 includes: an optical conversion device 110 and a testing device 120. Illustratively, the testing device 120 may be used to test parameters such as brightness, color temperature, etc. of the lamp beads 210. For example, an image of the light emitted by the lamp bead 210 may be obtained by capturing an image, and parameters such as brightness and color temperature of the lamp bead 210 may be determined by analyzing the obtained image. Since the parameters such as brightness and color temperature of the illuminant are determined as the prior art by photographing the image, those skilled in the art can design the testing device 120 with reference to the prior art or directly purchase the testing device 120 from the corresponding supplier. Thus, the specific construction and operation of the test device 120 is not described herein.

Referring to fig. 1 and 6, the optical conversion device 110 may include a plurality of light guide elements 111. The light guide element 111 is provided with a light entrance end 1111 and a light exit end 1112, and each light entrance end 1111 forms a light entrance lattice. The spatial arrangement of the light incident lattice is matched with the spatial arrangement of the light bead lattice formed by the light beads 210 in the target area, so that each light incident end 1111 can be opposite to the light beads 210 in the target area in a one-to-one correspondence. The testing device 120 is configured to receive light emitted from each light emitting end 1112. In this way, the light emitted by each light bead 210 is transmitted to each light emitting end 1112 through the light guiding element 111 in a one-to-one correspondence. Thus, the testing device 120 can receive the light emitted from each light emitting end 1112, so as to test the lamp beads 210 by using the testing device 120.

For example, if the beads 210 are arranged in a spherical shape, the light incident spot array may also be arranged in a spherical shape, so that the light emitted by each bead 210 can be smoothly transmitted to each light incident end 1111 and then emitted from the corresponding light emitting end 1112. Of course, in other embodiments, the beads 210 may be arranged in other ways, and correspondingly, the arrangement of the light incident lattice may be matched with the arrangement of the beads 210.

In some embodiments, the light emitting ends 1112 may form a light emitting lattice. The light-emitting lattice can be located on a plane. In this way, the testing device 120 is convenient to receive the light emitted from each light emitting end 1112, so as to facilitate analysis of the light. Of course, for example, if the testing device 120 is used to test the spherical input light, the light-emitting lattices may be arranged in a spherical manner correspondingly. It should be noted that, the arrangement modes of the light beads, the light incident lattice and the light emergent lattice listed here are only examples, and those skilled in the art can adjust the arrangement modes of the light beads according to actual requirements, and flexibly adjust the arrangement modes of the light incident lattice and the light emergent lattice based on the arrangement modes of the light beads, which are not described here.

In this way, in the embodiment of the present application, the arrangement manner of the light-entering ends 1111 may be adjusted according to the arrangement manner of the lamp beads 210, so that the light emitted by each lamp bead 210 can be correspondingly injected into each light-entering end 1111. The light guide 111 may function like a "light pipe" to convey light to each light outlet 1112. The arrangement of the light emitting ends 1112 can be adjusted according to the parameters of the testing surface of the testing device 120, so as to receive the light emitted by the light emitting ends 1112 by using the testing device 120. In this way, the light emitted by the lamp beads 210, which are not arranged in conformity with the testing surface of the testing device 120, can be adjusted to the state conforming to the testing surface of the testing device 120 by using the light guide element 111, so that the lamp beads 210 can be conveniently tested by using the testing device 120.

Referring to fig. 5 and 6, in some embodiments, optical conversion device 110 may further include a mount 112. The mount 112 may include an light-in side 1121 and a light-out side 1122. The light-in ends 1111 of the light-guiding elements 111 are respectively disposed on the light-in side portions 1121, and the light-out ends 1112 of the light-guiding elements 111 are respectively disposed on the light-out side portions 1122. In this way, the light entrance end 1111 and the light exit end 1112 of the light guide element 111 can be fixed by the holder 112.

Referring to fig. 6, in some embodiments, the light entry side 1121 is provided with a cover surface 1123. The shape of the cover surface 1123 is adapted to the shape of the target area of the light source board 200 to be tested, so that the cover surface 1123 can cover the target area of the light source board 200 to be tested. Illustratively, the target area of the light source board 200 to be tested has an arcuate curved surface, and correspondingly, the cover surface 1123 may also have an arcuate curved surface. In this way, the cover surface 1123 can better cover the target area of the light source board 200 to be tested, so as to reduce the possibility of light leakage of the light source board 200 to be tested.

In some embodiments, the light guiding element 111 may comprise an optical fiber. In other words, the light guide element 111 may be made of an optical fiber. Of course, in other embodiments, the light guiding element 111 may be made of other materials capable of conducting light. For example, the light guiding element 111 may be a hollow tube, and the inner wall of the hollow tube is provided with a reflective coating, so that the light entering the light guiding element 111 may be finally emitted from the light emitting end 1112 of the light guiding element 111 under the reflection effect of the reflective coating.

Referring to fig. 8, in some embodiments, where light guide element 111 comprises an optical fiber, the optical fiber may comprise a plurality of sub-optical fibers 1113. The first ends of the sub-fibers 1113 abut against each other to form an optical input end 1111, and the second ends of the sub-fibers 1113 abut against each other to form an optical output end 1112. In this way, the light emitted from each area of the lamp bead 210 is conveniently transmitted through the sub-optical fibers 1113 in a one-to-one correspondence manner, so that the testing device 120 can conveniently determine the light emitting parameters of each area of the lamp bead 210 after receiving the light emitted from each sub-optical fiber 1113.

Illustratively, the sub-optical fiber 1113 may be a single-mode optical fiber. Since the optical fiber can be purchased directly from a corresponding provider, the manner of manufacturing the light guide element 111 is not explained here.

It should be noted that, in some embodiments, the light guiding element 111 may be made of a hard transparent material. For example, the light guide element 111 may be directly inserted into a support provided with a hole, so as to fix the light guide element 111 to the support. Thus, the mount may not include the light-in side 1121 and the light-out side 1122.

Referring to fig. 5, in some embodiments, each light outlet 1112 is located at a target plane. In other words, the light emitting ends 1112 are arranged in a plane. Illustratively, the light outlets 1112 are distributed in a rectangular array on the target plane. The target plane here refers to a plane in which each light emitting end 1112 is located. Thus, since the light emitting ends 1112 are arranged in a plane, the testing device 120 is convenient to receive the light emitted from the light emitting ends 1112 and analyze the light. It should be noted that, for example, in a case where the optical conversion device 110 includes the support 112, and the support 112 includes the light-emitting side 1122, the light-emitting surface 1124 of the light-emitting side 1122 may be a plane.

Referring to fig. 2 and 3, in some embodiments, the testing apparatus 120 may include an image capture device 130. Each light emitting end 1112 is located in a view-taking area of the image capturing device 130. In other words, the test device 120 includes the image pickup device 130, and the image of each light emitting end 1112 can be acquired by the image pickup device 130. Thus, parameters such as brightness, color temperature, etc. of the lamp bead 210 may be determined by analyzing the acquired image.

Referring to fig. 2 to 4, and 7, in some embodiments, the light source board test apparatus 100 may further include a jig 140. The jig 140 is used for setting the light source board 200 to be tested. In other words, the light source board 200 to be tested may be disposed at the target position of the fixture 140, so as to test the light source board 200 to be tested disposed at the fixture 140.

In some embodiments, the light source board test apparatus 100 may further include a base 150 and a driver. The jig 140 is slidably connected with the base 150, and a driver is in driving connection with the jig 140 and is used for driving the jig 140 to move between a feeding position and a testing position. Illustratively, the driver may be a linear driver, such that the jig 140 may be driven by the linear driver to translate such that the jig 140 moves between the loading position and the testing position. Referring to fig. 4, which illustrates a case where the jig 140 is moved to the loading position, referring to fig. 2, which illustrates a case where the jig 140 is moved to the testing position.

The linear actuator may be a linear motor, a cylinder, a hydraulic cylinder, or the like capable of outputting a linear driving force, for example. Illustratively, the linear drive may also include: a device capable of outputting a rotational driving force such as a rotary electric machine, an air motor, or a hydraulic motor, and a transmission mechanism capable of converting a rotational motion into a linear motion such as a screw-threaded transmission mechanism or a rack-and-pinion mechanism.

Referring to fig. 4, in some embodiments, the base 150 is provided with a first electrical connector 151. The first electrical connector 151 is for connecting to a power source. Referring to fig. 7, the jig 140 is provided with a second electrical connector 141. The second electrical connector 141 is used for connecting the light source board 200 to be tested. In the case that the jig 140 is located at the testing position, the second electrical connector 141 is electrically connected to the first electrical connector 151.

In other words, the second electrical connector 141 is opposite to the first electrical connector 151. During the movement of the driver driving jig 140 from the loading position toward the testing position, the second electrical connector 141 moves in a direction approaching the first electrical connector 151 until the second electrical connector 141 and the first electrical connector 151 are in electrical contact with each other. In the process of moving the driver driving jig 140 from the testing position to the loading position, the second electrical connector 141 moves away from the first electrical connector 151 and is separated from the first electrical connector 151.

Illustratively, referring to fig. 2, the light source board testing apparatus 100 may further include a control cabinet 160. Control elements such as a power switch can be arranged in the control cabinet 160 according to requirements. Illustratively, the external power supply line may be electrically connected with a power switch, which may be electrically connected with the first electrical connector 151 of the base 150. So that the light source board 200 to be tested can be powered to light the lamp beads 210 with the power switch in the on state. Thus, the light emitted from the light beads 210 can be incident on the light guide element 111, and transmitted through the light guide element 111 to be emitted to the testing device 120. After the testing device 120 receives the light, the light can be analyzed to complete the testing of the lamp beads 210.

It should be noted that, in some embodiments, the light incident lattice may be arranged according to actual requirements to form a plurality of optical conversion devices 110 with different arrangements. Thus, in the case where it is necessary to test the light source board 200 to be tested of different shape specifications, it is possible to select an appropriate optical conversion device 110 to be mounted to the light source board test apparatus 100. In other embodiments, for some planar light source boards 200 to be tested or curved light source boards 200 to be tested with smaller radians, the optical conversion 110 may be removed, so that the light emitted by the light beads 210 of the light source board 200 to be tested may be directly emitted to the testing device 120. In this way, the adaptability of the light source board test apparatus 100 can be improved. In addition, the jig 140 and the base 150 with different configurations can be set according to actual requirements, so that in the case of testing the light source board 200 to be tested with different specifications, a proper jig 140 and base 150 can be selected to further improve the adaptability of the light source board testing device 100.

In other words, the optical conversion device 110, the jig 140, and the base 150 may all be provided in a replaceable form to promote the adaptability of the light source board test apparatus 100. In addition, in the case of using the light source board testing apparatus 100, if the matched optical conversion device 110, the jig 140 and the base 150 do not meet the practical requirements, those skilled in the art can also design the optical conversion device 110, the jig 140 and the base 150 by themselves to match the specifications of the light source board 200 to be tested, which needs to be tested.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present application 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 to these embodiments without departing from the principles and spirit of the embodiments of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A light source board testing apparatus for testing a plurality of lamp beads (210) located at a target area on a light source board (200) to be tested, characterized in that the light source board testing apparatus comprises: an optical conversion device (110) and a testing device (120);

the optical conversion device (110) comprises a plurality of light guide elements (111), wherein the light guide elements (111) are respectively provided with a light inlet end (1111) and a light outlet end (1112), each light inlet end (1111) forms a light inlet lattice, and the spatial arrangement of the light inlet lattice is matched with the spatial arrangement of a lamp bead lattice formed by the lamp beads (210) of the target area, so that each light inlet end (1111) can be opposite to the lamp beads (210) of the target area in a one-to-one correspondence manner;

the testing device (120) is configured to receive light emitted from each of the light emitting ends (1112).

2. The light source board test apparatus according to claim 1, wherein the optical conversion device (110) further comprises a stand (112); the support (112) comprises a light incident side (1121) and a light emergent side (1122), the light incident ends (1111) of the light guide elements (111) are respectively arranged on the light incident side (1121), and the light emergent ends (1112) of the light guide elements (111) are respectively arranged on the light emergent side (1122).

3. The light source board test device according to claim 2, characterized in that the light entrance side (1121) is provided with a cover surface (1123), the shape of the cover surface (1123) being adapted to the shape of the target area of the light source board (200) to be tested, so that the cover surface (1123) can cover the target area of the light source board (200) to be tested.

4. The light source board test device according to claim 1, wherein the light guiding element (111) comprises an optical fiber.

5. The light source board test apparatus according to claim 4, wherein said optical fiber includes a plurality of sub-optical fibers (1113), a first end of each of said sub-optical fibers (1113) being abutted against each other to form said light-entering end (1111), and a second end of each of said sub-optical fibers (1113) being abutted against each other to form said light-exiting end (1112).

6. The light source board test apparatus according to any one of claims 1 to 5, wherein each of the light emitting ends (1112) is located at a target plane.

7. A light source board testing device according to any one of claims 1 to 5, wherein the testing means (120) comprises an image pickup means (130), each light outlet (1112) being located in a viewing area of the image pickup means (130).

8. The light source board testing device according to any one of claims 1 to 5, further comprising a jig (140), the jig (140) being used for setting the light source board (200) to be tested.

9. The light source board testing apparatus of claim 8, further comprising a base (150) and a driver, the jig (140) being slidably connected to the base (150), the driver being drivingly connected to the jig (140), the driver being for driving the jig (140) to move between a loading position and a testing position.

10. The light source board test device according to claim 9, wherein the base (150) is provided with a first electrical connector (151), the first electrical connector (151) is used for connecting a power source, the jig (140) is provided with a second electrical connector (141), the second electrical connector (141) is used for connecting the light source board (200) to be tested, and the second electrical connector (141) is electrically connected with the first electrical connector (151) in a case that the jig (140) is located at the test position.