CN110985932A

CN110985932A - Lamp box assembly capable of switching light

Info

Publication number: CN110985932A
Application number: CN201911235271.4A
Authority: CN
Inventors: 张延凯; 马达
Original assignee: Suzhou Hirose Opto Co Ltd
Current assignee: Suzhou Hirose Opto Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-04-10
Anticipated expiration: 2039-12-05
Also published as: CN110985932B

Abstract

The application relates to a lamp box assembly capable of switching lamplight, which comprises a first light source, a second light source and a lens, wherein the second light source can leave or enter a light path from the first light source to the lens; when the second light source is needed, the first light source is turned off, the second light source can enter a light path from the first light source to the lens, and the second light source emits light, so that the lamp box assembly capable of switching light can freely switch the first light source or the second light source to provide light.

Description

Lamp box assembly capable of switching light

Technical Field

The application belongs to the technical field of liquid crystal display panel production equipment, and particularly relates to a lamp box assembly capable of switching light.

Background

The light source is a very key factor in industrial detection, the quality of an image acquired by a detection system and the performance of the system are directly influenced for industrial visual detection, and a flaw part can be highlighted during manual detection.

The panel detection equipment needs to detect the defects by means of lamplight, and different types of defects can be detected by different light sources. In the detection of the panel, different defects can be detected by different lights, and different light sources need to be switched. For example, in the macro-inspection process, it is often necessary to use a metal lamp and a sodium lamp to inspect the panel for different defects, respectively, and the metal lamp is used for inspecting some defects, while the sodium lamp is used for inspecting other defects. In actual detection, when the metal lamp is switched to the sodium lamp, the metal lamp needs to be turned off, and the sodium lamp needs to be turned on. However, the sodium lamp needs a long time to reach the irradiation requirement, and the light source switching efficiency is low, which seriously affects the detection efficiency of the panel.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: for solving the not enough among the prior art to provide a lamp box subassembly that can switch different light source.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a lightbox assembly capable of switching light, comprising:

a frame;

the first light source is arranged on the rack;

the second light source is arranged on the rack;

a lens for converting light rays of the first and second light sources into parallel light or divergent light;

the second light source is slidably arranged on the sliding mechanism and can leave or enter between the first light source and the lens.

Preferably, in the light box assembly capable of switching light of the present invention, the first light source is a metal halide lamp, and the second light source is a high-pressure sodium lamp.

Preferably, the first light source is arranged at the top end of the rack, and light of the first light source is irradiated onto the lens through the first reflector and the second reflector.

Preferably, the sliding mechanism includes a sliding rail disposed on the rack, the mounting seat is slidably disposed on the sliding rail, and the second light source is disposed on the mounting seat.

Preferably, the second light source is composed of a plurality of bar-shaped light sources, a plurality of the bar-shaped light sources can be controlled to slide on the sliding rail individually, or a plurality of the bar-shaped light sources can be controlled to slide on the sliding rail in a grouping manner.

Preferably, in the lamp box assembly capable of switching light, the mounting base is provided with the driving part and the rack, each strip-shaped light source is arranged in the outer shell with an opening at the bottom, the opening of the outer shell is provided with the baffle, the baffle is connected with the gear outside the outer shell, when the driving part drives the rack to move, the baffle can be driven to rotate through the matching of the rack and the gear, and when the baffle rotates to the opening of the outer shell, light rays of the light source column can be transmitted out from the opening.

Preferably, the lamp box assembly capable of switching light of the invention,

two sides of the outer shell are respectively provided with a first light blocking groove with an upward opening and a second light blocking groove with a downward opening;

the light blocking device is characterized in that a first light blocking sheet extending into a first light blocking groove and a second light blocking sheet extending into a second light blocking groove are respectively arranged on two sides of the blocking plate, and a third light blocking sheet used for blocking an opening of the second light blocking groove is arranged at the bottom of the second light blocking sheet.

Preferably, the lens is a fresnel lens, and is used for converting divergent light emitted by the first light source and the second light source into parallel light.

Preferably, in the light box assembly capable of switching light, the first light source, the second light source and the lens are two groups arranged in an axisymmetric manner.

Preferably, in the light box assembly capable of switching light, an included angle of a light path formed by the two groups of the first light source, the second light source and the lens is 30-80 degrees.

The invention has the beneficial effects that:

the lamp box assembly capable of switching lamplight comprises a first light source, a second light source and a lens, wherein the second light source can leave or enter a light path from the first light source to the lens; when the second light source is needed, the first light source is turned off, the second light source can enter a light path from the first light source to the lens, and the second light source emits light, so that the lamp box assembly capable of switching light can freely switch the first light source or the second light source to provide light.

Drawings

The technical solution of the present application is further explained below with reference to the drawings and the embodiments.

FIG. 1 is a schematic structural diagram of a light box assembly capable of switching light according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a light box assembly capable of switching light according to an embodiment of the present application;

FIG. 3 is a schematic structural view of a sliding mechanism according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a second light source according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a second light source with an outer casing removed according to an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a baffle plate according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of a baffle plate and light leakage prevention of a second light source according to an embodiment of the present application.

The reference numbers in the figures are:

1, a frame;

2 a first light source;

3 a second light source;

4 lenses;

10 mounting seats;

11 a driving member;

12 racks;

21 a first mirror;

22 a second mirror;

31 an outer shell;

32 light source columns;

33 a gear;

34 a first driving member;

35 a second driving member;

313 baffle plate;

314 first light-blocking grooves;

315 a second light blocking groove;

3131 a first light-blocking sheet;

3132 a second light blocking layer;

3133 third light blocking sheet.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Examples

The present embodiment provides a light box assembly capable of switching light, as shown in fig. 1, including:

a frame 1;

a first light source 2 disposed on the frame 1;

a second light source 3 disposed on the frame 1;

a lens 4 for converting the light rays of the first and second

light sources

2 and 3 into parallel light or divergent light;

the second light source 3 is arranged on the sliding mechanism and can leave or enter between the first light source 2 and the lens 4.

The light box assembly capable of switching light of this embodiment includes a first light source 2, a second light source 3 and a lens 4, where the second light source 3 can leave or enter a light path from the first light source to the lens 4, when the first light source 2 is used, the second light source 3 leaves the light path from the first light source to the lens 4, and the first light source 2 emits light and emits light through the lens 4; when the second light source 3 is needed, the first light source 2 is turned off, the second light source 3 can enter the light path from the first light source to the lens 4, and the second light source 3 emits light, so that the lamp box assembly capable of switching light in the embodiment can freely switch the first light source 2 or the second light source 3 to provide light. In the process, the second light source 3 does not need to be turned off and on frequently, so that the light source switching speed is greatly improved, and the detection efficiency is improved.

In a specific embodiment, the first light source 2 is a metal halide lamp, and the second light source 3 is a high pressure sodium lamp.

In one embodiment, the first light source 2 is disposed at the top end of the frame 1, and the light from the first light source 2 is irradiated onto the lens 4 by the first reflector 21 and the second reflector 22, so that a long light path can be realized in a small space by multiple reflection, and the overall structure is more compact.

As a specific implementation mode, the sliding mechanism includes a slide rail disposed on the rack 1, a mounting seat 10 is disposed on the slide rail, and the second light source 3 is disposed on the mounting seat 10, so that the second light source 3 can move between two sides of the slide rail to an intermediate position, and can give way to the light path of the first light source 2 when being located at two sides of the slide rail, and when moving to the intermediate position of the slide rail, the second light source 3 can provide a light source.

In a specific embodiment, the second light source 3 is composed of a plurality of bar light sources, a plurality of the bar light sources can be controlled to slide on the slide rail individually, or a plurality of the bar light sources can be controlled to slide on the slide rail in groups. Taking the embodiment shown in the figure as an example, the second light source 3 is composed of 3 bar light sources, wherein two bar light sources are in a group, a single bar light source is in a group, one group of two bar light sources is controlled to move simultaneously and can move on the slide rail simultaneously, a group of single bar light sources is controlled independently and can move towards or away from one group of two bar light sources, and two groups of bar light sources can move towards two sides of the middle position respectively, so that the efficiency of switching light sources can be improved. Two sets of bar light sources are driven by first driving piece 34 and second driving piece 35 respectively, and a plurality of bar light sources have finally gathered together and have formed the area source, have improved the area of illumination.

As an embodiment, the mounting base 10 is provided with a driving member 11 and a rack 12, each of the strip-shaped light sources is disposed in the outer shell 31 with an opening at the bottom, a baffle 313 is disposed at the opening of the outer shell 31, the baffle 313 is connected to a gear 33 outside the outer shell 31, when the driving member 11 drives the rack 12 to move, the baffle 313 can be driven to rotate through the cooperation between the rack 12 and the gear 33 (when the gear 33 rotates in an arrow direction in fig. 7, the baffle 313 can be opened), and when the baffle 313 rotates to the opening of the outer shell 31, light of the light source column 32 can be transmitted through the opening.

As a specific embodiment, two sides of the outer shell 31 are respectively provided with a first light-blocking groove 314 with an upward opening and a second light-blocking groove 315 with a downward opening (the first light-blocking groove 314 is formed by bending the side wall of the outer shell 31 inward, and the second light-blocking groove 315 is formed by installing a metal plate outside the side wall of the outer shell 31);

a first light blocking sheet 3131 extending into the first light blocking groove 314 and a second light blocking sheet 3132 extending into the second light blocking groove 315 are respectively arranged on two sides of the blocking plate 313, and the bottom of the second light blocking sheet 3132 is provided with a second light blocking groove 315 for blocking the second light blocking groove 315; an opened third light blocking sheet 3133. Both sides of the outer case 31 are closed by the first and second light-blocking

grooves

314 and 315 and the first, second, and third light-blocking

sheets

3131, 3132, and 3133, preventing light from leaking out of both sides of the outer case 31.

In one embodiment, the lens 4 is a fresnel lens, and is used to convert the divergent light emitted from the first light source 2 and the second light source 3 into parallel light. The light is uniformly irradiated, and the observation of human eyes is more convenient.

In one embodiment, the first light source 2, the second light source 3 and the lens 4 are all two sets arranged in an axisymmetric manner.

As an implementation manner, the included angle of the light path formed by the two groups of first light sources 2, second light sources 3 and lenses 4 is any value from 30 ° to 80 °, for example, 30 °, 50 °, 60 ° and 80 °, and the two groups of first light sources 2, second light sources 3 and lenses 4 may form an intersection at a certain position, and an object to be detected may be placed at the intersection for detection.

In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims

1. A light box assembly capable of switching light, comprising:

a frame (1);

a first light source (2) arranged on the frame (1);

a second light source (3) arranged on the frame (1);

a lens (4) for converting the light rays of the first light source (2) and the second light source (3) into parallel light or divergent light;

the second light source (3) is slidably arranged on the sliding mechanism and can leave or enter between the first light source (2) and the lens (4).

2. Light box assembly according to claim 1, characterized in that the first light source (2) is a metal halide lamp and the second light source (3) is a high pressure sodium lamp.

3. The light box assembly capable of switching light according to claim 1 or 2, wherein the first light source (2) is arranged at the top end of the frame (1), and light rays of the first light source (2) are irradiated onto the lens (4) through the first reflector (21) and the second reflector (22).

4. A light box assembly according to any one of claims 1-3, characterized in that the sliding mechanism comprises a sliding rail arranged on the frame (1), the mounting base (10) is slidably arranged on the sliding rail, and the second light source (3) is arranged on the mounting base (10).

5. Light box assembly according to claim 4, characterized in that said second light source (3) is composed of a plurality of bar light sources which can be individually controlled to slide on said sliding rails or which can be controlled in groups to slide on said sliding rails.

6. The light box assembly capable of switching the light as claimed in claim 5, wherein a driving member (11) and a rack (12) are installed on the mounting base (10), each strip-shaped light source is arranged in the outer shell (31) with an opening at the bottom, a baffle (313) is arranged at the opening of the outer shell (31), the baffle (313) is connected with a gear (33) outside the outer shell (31), when the driving member (11) drives the rack (12) to move, the baffle (313) can be driven to rotate by the matching of the rack (12) and the gear (33), and when the baffle (313) rotates to the opening of the outer shell (31), the light of the light source column (32) can be emitted from the opening.

7. The light box assembly of claim 6,

two sides of the outer shell (31) are respectively provided with a first light blocking groove (314) with an upward opening and a second light blocking groove (315) with a downward opening;

the two sides of the barrier (313) are respectively a first light blocking sheet (3131) extending into the first light blocking groove (314) and a second light blocking sheet (3132) extending into the second light blocking groove (315), and a third light blocking sheet (3133) for blocking the opening of the second light blocking groove (315) is arranged at the bottom of the second light blocking sheet (3132).

8. A light box assembly according to any of the claims 1-7, characterized in that the lens (4) is a Fresnel lens for converting the diverging light from the first (2) and second (3) light sources into parallel light.

9. A light box assembly according to any of the claims 1-8, characterized in that the first light source (2), the second light source (3) and the lens (4) are two sets arranged axisymmetrically.

10. The light box assembly capable of switching light according to claim 9, wherein the included angle of the light path formed by the two groups of the first light source (2), the second light source (3) and the lens (4) is 30-80 °.