Lighting fixture and multi-station lighting system

A lighting fixture and a multi-station lighting system are provided. The lighting fixture includes: a body module, an adjustment module, a test module, a carrier module, a connecting wire, and a control device. A display screen is mounted on the carrier module, and the test module corresponding to the display screen is mounted on the adjustment module. A first detection point of the test module is correspondingly connected to a second detection point on the display screen through the adjustment module.

RELATED APPLICATIONS

This application is a National Phase of PCT Patent Application No. PCT/CN2021/138828 having International filing date of Dec. 16, 2021, which claims the benefit of priority of Chinese Patent Application No. 202111498854.3 filed on Dec. 9, 2021. The contents of the above applications are all incorporated by reference as if fully set forth herein in their entirety.

FIELD AND BACKGROUND OF THE INVENTION

The present application relates to the field of display technologies, and more particularly to a lighting fixture and a multi-station lighting system.

According to market demand, companies usually produce displays of different specifications with similar functions and similar appearances. In order to ensure product quality, it is necessary to perform a lighting test (English full name: light on inspection, LOI) on a display screen through a lighting detection equipment. A lighting test stage is very important for quality control of the display screen. In this stage, it can be detected whether the display screen has bad dots (for example: bright or dark dots), dirt, scratches, and other quality problems. Furthermore, bad display screens are intercepted in time to avoid waste of resources, and a manufacturing process can be improved as soon as possible.

Technical Problem

At present, lighting fixtures used in the industry light up one display screen at a time. One lighting fixture can only test one product, which is dedicated for special machines, and the lighting efficiency is low. When switching display screens of different specifications for testing, the entire jig needs to be replaced. This takes a long time and a replacement efficiency is low. The current lighting fixtures have a long production cycle, and there is a risk that they cannot meet production requirements in time. Further, the lighting fixtures are expensive. Moreover, display screens of different specifications correspond to a lighting fixture. This leads to a large variety and quantity of lighting fixtures, and the lighting fixtures seriously occupy an inventory space.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a lighting fixture and a multi-station lighting system, which can solve the problems of low lighting efficiency, high cost, long production cycle, low replacement efficiency, and occupation of inventory space in the existing lighting fixture.

In order to solve the above-mentioned problems, the present invention provides a lighting fixture for lighting a display screen, which includes: a body module; an adjustment module detachably mounted on the body module; a test module detachably mounted on the adjustment module; a carrier module mounted on the body module; a connecting wire connecting the test module and the body module; and a control device connected to the body module; wherein the display screen is detachably mounted on the carrier module.

Further, the adjustment module comprises: an adjustment module body detachably mounted on the body module; an Y-direction slider slidably connected to the adjustment module body; a X-direction slider slidably connected to the Y-direction slider; and a connecting male end protruding from a side of the X-direction slider away from the adjustment module body, and being located at an end of the X-direction slider close to the test module.

Further, the test module comprises: a test module body; a connecting female end disposed on the test module body and correspondingly connected to the connecting male end; a first detection point set on the test module body; and a first aviation socket disposed on the test module body.

Further, the display screen has a second detection point, and the second detection point is correspondingly connected to the first detection point.

Further, the lighting fixture further comprises a second aviation socket on the body module; wherein the connecting wire connects the first aviation socket and the second aviation socket.

Further, the adjustment module further comprises: an X-direction cylinder slider slidably connected to the X-direction slider; an X-direction cylinder mounted on the X-direction cylinder slider to drive the X-direction cylinder slider to slide.

Further, the X-direction cylinder comprises: an X-direction cylinder barrel located in the X-direction cylinder slider; an X-direction piston located in the X-direction cylinder barrel; an X-direction piston rod, wherein one end of the X-direction piston rod is connected to the X-direction piston, and another end of the X-direction piston rod is fixed to an end of the X-direction cylinder slider away from the test module; a first air pipe connected to an end of the X-direction cylinder barrel away from the test module; and a second air pipe connected to an end of the X-direction cylinder barrel close to the test module.

Further, the adjustment module further comprises: a lower clamping block mounted on the X-direction cylinder slider; an upper clamping block disposed opposite to the lower clamping block; a connecting shaft connecting the upper clamping block and the lower clamping block; an indenter detachably mounted on an end of the upper clamping block close to the test module; an elastic member located at an end of the upper clamping block away from the test module and connected between the upper clamping block and the lower clamping block.

Further, the adjustment module further comprises: at least one Z-direction cylinder mounted on the X-direction cylinder slider; the Z-direction cylinder comprises: a Z-direction cylinder barrel located in the X-direction cylinder slider; a Z-direction piston located in the Z-direction cylinder barrel; a Z-direction piston rod, wherein an end of the Z-direction piston rod is connected to the Z-direction piston, and another end of the Z-direction piston rod abuts against a surface of the upper clamping block on a side facing the lower clamping block; and a third air pipe connected to a bottom of the Z-direction cylinder barrel.

Further, the adjustment module further comprises: a first adjustment device configured to drive the Y-direction slider to slide; the first adjustment device comprises: two first supports respectively mounted at both ends of the Y-direction slider; a first adjusting screw rod rotatably connected to the two first supports; and two first adjusting bolts respectively connected to both ends of the first adjusting screw rod; wherein the Y-direction slider is provided with a first threaded hole matched with the first adjusting screw.

Further, the adjustment module further comprises: a second adjustment device configured to drive the X-direction slider to slide; the second adjustment device comprises: a second support mounted at an end of the X-direction slider away from the test module; a second adjusting screw rod rotatably connected to the second support; and a second adjusting bolt connected to an end of the second adjusting screw rod away from the test module; wherein the X-direction slider is provided with a second threaded hole matched with the second adjusting screw.

Further, the adjustment module further comprises: a first fixing screw mounted on the first support and used to lock or loosen the first adjusting screw; and a second fixing screw mounted on the second support and used to lock or loosen the second adjusting screw.

Further, the adjustment module further comprises: a first cross roller guide rail disposed between the Y-direction slider and the adjustment module body; a second cross roller guide rail disposed between the X-direction slider and the Y-direction slider.

In order to solve the above-mentioned problems, the present invention provides a multi-station lighting system, which includes: a plurality of mutually spliced lighting fixtures related to the present invention; and a master control device connected to the control device of each lighting fixture.

Beneficial Effect

In the lighting fixture of the present invention, the display screen is installed on the carrier module. The test module corresponding to the display screen is installed on the adjustment module. The first detection point of the test module is correspondingly connected to the second detection point on the display screen through the adjustment module. The lighting fixture of the present invention can accurately adjust and quickly switch display screens of different specifications for lighting test. This reduces the replacement time of the lighting fixtures during the lighting test of displays of different specifications, improves the replacement efficiency, improves the versatility of the lighting fixtures, and improves the repetition rate of the lighting fixtures. This reduces the cost of lighting fixtures. This reduces the types of lighting fixtures and reduces the occupation of the company's inventory space. This reduces the production cost of the enterprise.

The present invention can correspondingly connect the first detection point of the test module to the second detection point on the display screen through the adjustment module, which can improve the alignment accuracy of the first detection point and the second detection point and improve the detection efficiency.

The multi-station lighting system of the present invention is spliced by multiple lighting fixtures to light up multiple display screens of multiple specifications at a time or multiple display screens of the same specification at a time, thereby improving lighting efficiency.

DESCRIPTION OF REFERENCE SIGNS

DESCRIPTION OF SPECIFIC EMBODIMENTS OF THE INVENTION

Hereinafter, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings of the specification, so as to fully introduce the technical content of the present invention to those skilled in the art. Taking an example to prove that the present invention can be implemented makes the technical content disclosed by the present invention clearer. This makes it easier for those skilled in the art to understand how to implement the present invention. However, the present invention can be embodied in many different forms of embodiments. The protection scope of the present invention is not limited to the embodiments mentioned in the text, and the description of the following embodiments is not used to limit the scope of the present invention.

Directional terms mentioned in the present invention, such as “upper”, “lower”, “front”, “rear”, “left”, “right”, “inner”, “outer”, “side”, etc., are only the directions for referring to the attached drawings. Therefore, the directional terms used are used to describe and understand the present invention, rather than to limit the present invention.

In the drawings, components with the same structure are denoted by the same numerals. Components with similar structures or functions are represented by similar numerals. In addition, for ease of understanding and description, the size and thickness of each component shown in the drawings are arbitrarily shown. The present invention does not limit the size and thickness of each component.

As shown inFIG.1, this embodiment provides a multi-station lighting system100. The multi-station lighting system100includes a plurality of lighting fixtures110and a master control device120.

In this embodiment, a plurality of lighting fixtures110are spliced with each other and arranged along an X direction.

The master control device120is connected to a control device5of each lighting fixture110. Further, the master control device120controls lighting and closing of all the lighting fixtures110of the multi-station lighting system100.

The multi-station lighting system100of this embodiment is spliced by a plurality of lighting fixtures110to light up display screens200of multiple specifications at a time or multiple display screens200of the same specification at a time to improve lighting efficiency.

As shown inFIG.1andFIG.2, the lighting fixture110is mainly used for lighting the display screen200. The lighting fixture110includes a body module1, an adjustment module2, a test module3, a carrier module4, and a control device5.

As shown inFIG.2, the body module1has a second aviation socket101. The body module1has scale lines (not shown in the figure).

As shown inFIG.3, the adjustment module2is detachably installed on the body module1. The adjustment module2includes: an adjustment module body201, a Y-direction slider202, a first cross roller guide rail203, a first adjustment device204, a first fixing screw205, an X-direction slider206, a second cross roller guide rail207, a second adjustment device208, a second fixing screw209, an X-direction cylinder slider210, an X-direction cylinder211, a lower clamping block212, an upper clamping block213, a connecting shaft214, a pressure head215, an elastic member216, at least one Z-direction cylinder217, and a connecting male end218.

The adjustment module body201is detachably mounted on the body module1. In this embodiment, the adjustment module body201is fixed to the body module1by screws.

The Y-direction slider202is slidably connected to the adjustment module body201. The Y-direction slider202can slide along the Y-direction.

The first cross roller guide rail203is arranged between the Y-direction slider202and the adjustment module body201. In this embodiment, the Y-direction slider202is slidably connected with the adjustment module body201through the first cross roller guide rail203.

The first adjustment device204is used to drive the Y-direction slider202to slide. The first adjustment device204includes: two first supports2041, a first adjusting screw2042, and two first adjusting bolts2043.

Two first supports2041are respectively installed at two ends of the Y-direction slider202. The first adjusting screw2042is rotatably connected to the two first supports2041. Two first adjusting bolts2043are connected to two ends of the first adjusting screw2042respectively.

As shown inFIG.4, the Y-direction slider202is provided with a first threaded hole2021matched with the first adjusting screw2042.

By rotating the first adjusting bolt2043, the first adjusting bolt2043drives the first adjusting screw2042to rotate, and the first adjusting screw2042drives the Y-directional slider202to slide through the first threaded hole2021. The Y-direction slider202can be precisely adjusted according to a scale line on the body module1to improve an alignment accuracy of the first detection point303and the second detection point2001.

The first fixing screw205is installed on the first support2041. The first fixing screw205is mainly used to lock or loosen the first adjusting screw2042.

The X-direction slider206is slidably connected to the Y-direction slider202. The X-direction slider206can slide along the X-direction.

As shown inFIG.5, the second cross roller guide rail207is provided between the X-direction slider206and the Y-direction slider202. In this embodiment, the slidable connection between the X-direction slider206and the Y-direction slider202is realized through the second cross roller guide rail207.

As shown inFIG.3andFIG.5, the second adjustment device208drives the X-direction slider206to slide. The second adjustment device208includes: a second support2081, a second adjusting screw2082, and a second adjusting bolt2083.

As shown inFIG.2,FIG.3, andFIG.5, the second support2081is installed at an end of the X-direction slider206away from the test module3. The second adjusting screw2082is rotatably connected to the second support2081. The second adjusting bolt2083is connected to an end of the second adjusting screw2082far away from the test module3.

As shown inFIG.6, the X-direction slider206is provided with a second threaded hole2061matched with the second adjusting screw2082.

By rotating the second adjusting bolt2083, the second adjusting bolt2083drives the second adjusting screw2082to rotate, and the second adjusting screw2082drives the X-direction slider206to slide through the second threaded hole2061. The X-direction slider206can be precisely adjusted according to the scale line on the body module1to improve the alignment accuracy of the first detection point303and the second detection point2001.

The second fixing screw209is installed on the second support2081for locking or loosening the second adjusting screw2082.

The X-direction cylinder slider210is slidably connected to the X-direction slider206.

As shown inFIG.7, the X-direction cylinder211is installed on the X-direction cylinder slider210to drive the X-direction cylinder slider210to slide. The X-direction cylinder211includes: an X-direction cylinder barrel2111, an X-direction piston2112, an X-direction piston rod2113, a first air pipe2114, and a second air pipe2115.

As shown inFIG.3,FIG.5, andFIG.7, the X-direction cylinder barrel2111is located in the X-direction cylinder slider210. The X-direction piston2112is located in the X-direction cylinder barrel2111. One end of the X-direction piston rod2113is connected to the X-direction piston2112, and the other end is fixed to the end of the X-direction cylinder slider210away from the test module3. The first air pipe2114is connected to an end of the X-direction cylinder barrel2111away from the test module3. The second air pipe2115is connected to one end of the X-direction cylinder barrel2111close to the test module3.

Specifically, the first air pipe2114takes air into the X-direction cylinder barrel2111, and the second air pipe2115exhausts outward, pushing the X-direction piston2112to move toward the test module3. Since one end of the X-direction piston rod2113is connected to the X-direction piston2112, the other end is fixed to the end of the X-direction cylinder slider210away from the test module3. The X-direction piston2112moves toward the test module3and drives the X-direction cylinder slider210to slide away from the test module3.

Specifically, the second air pipe2115is used to enter the X cylinder barrel2111, and the first air pipe2114exhausts outward, pushing the X piston2112to move away from the test module3. Since one end of the X-direction piston rod2113is connected to the X-direction piston2112, the other end is fixed to the end of the X-direction cylinder slider210away from the test module3. The X-direction piston2112moves away from the test module3and drives the X-direction cylinder slider210to slide toward the test module3.

The lower clamping block212is installed on the X-direction cylinder slider210. Specifically, the lower clamping block212may be fixed on the X-direction cylinder slider210by screws.

The upper clamping block213is arranged opposite to the lower clamping block212.

The connecting shaft214connects the upper clamping block213and the lower clamping block212. The upper clamping block213can rotate around the connecting shaft214.

The indenter215is detachably installed at an end of the upper clamping block213close to the test module3. Specifically, the indenter215may be fixed to an end of the upper clamping block213close to the test module3by screws.

The elastic member216is located at an end of the upper clamping block213away from the test module3and connected between the upper clamping block213and the lower clamping block212. In this embodiment, the elastic member216is a spring.

In this embodiment, the adjustment module2includes two Z-direction cylinders217. The two Z-direction cylinders217are arranged along the Y direction.

As shown inFIG.8, the Z-direction cylinder217is installed on the X-direction cylinder slider210. The Z-direction cylinder217includes: a Z-direction cylinder barrel2171, a Z-direction piston2172, a Z-direction piston rod2173, and a third air pipe2174.

As shown inFIGS.7and8, the Z-direction cylinder barrel2171is located in the X-direction cylinder slider210. The Z-direction piston2172is located in the Z-direction cylinder barrel2171. One end of the Z-direction piston rod2173is connected to the Z-direction piston2172, and the other end abuts against the surface of the upper clamping block213facing the lower clamping block212. The third air pipe2174is connected to the bottom of the Z-direction cylinder barrel2171.

A two-position two-way valve (not shown in the figure) is connected to the third air pipe2174. The two-position two-way valve is opened, a gas path is connected, air is taken into the Z-direction cylinder barrel2171, and the Z-direction piston2172is pushed upward. The Z-direction piston2172pushes the Z-direction piston rod2173to move upward. The end of the Z-direction piston rod2173away from the Z-direction piston2172pushes up the end of the upper clamping block213close to the test module3. The elastic member216is in a compressed state. The upper clamping block213drives the indenter215to lift up. The two-position two-way valve is closed, the air path is not connected, and the Z-direction cylinder barrel2171is exhausted to the outside through the third air pipe2174. Under the combined action of a force generated by the third air pipe2174exhausting outward, a weight of the Z-direction piston2172, and a resilience force of the elastic member216, the Z-direction piston2172moves downward. The Z-direction piston2172drives the Z-direction piston rod2173to move downward, and the upper clamping block213closes to the end of the test module3to descend, driving the indenter215to descend.

The connecting male end218protrudes from a side of the X-direction slider206away from the adjustment module body201and is located at an end of the X-direction slider206close to the test module3. In this embodiment, the connecting male end218is a pin.

As shown inFIG.9, the test module3is detachably installed on the adjustment module2. The test module3includes: a test module body301, a connecting socket302, a first detection point303, and a first aviation socket304.

The connecting female end302is arranged on the test module body301and is correspondingly connected to the connecting male end218. In this embodiment, the connecting female end302is a pin hole. The connecting female end302is sleeved on the connecting male end218, and then the test module3is fixed on the adjustment module2.

The first detection point303is arranged on the test module body301.

The first aviation socket304is arranged on the test module body301. In this embodiment, the test module3and the main body module1are connected through a connecting wire (not shown). Specifically, the first aviation socket101and the second aviation socket304are connected through a connecting wire. The connecting line is a quick plug-in line.

As shown inFIG.2andFIG.10, the carrier module4is installed on the body module1. The display screen200is detachably installed on the carrier module4.

As shown inFIG.2andFIG.10, the display screen200has a second detection point2001. The second detection point2001is correspondingly connected to the first detection point303.

The control device5is connected to the body module1, turns on the control device5, starts the lighting test on the display screen200on the lighting fixture110, turns off the control device5, and stops the lighting test on the display screen200on the lighting fixture110.

As shown inFIG.11, the lighting fixture110further includes an adapter board219. The adapter board219is disposed on the bottom surface of the body module1. Therefore, the contact damage of the adapter board219in use can be reduced, the adapter board219is wear-resistant, the service life is increased, and the test result is more stable.

When in use, the display screen200to be tested is installed on the carrier module4. Open the two-position two-way valve and the gas path is connected. Intake air into the Z-direction cylinder barrel2171and push the Z-direction piston2172to move upward. The Z-direction piston2172pushes the Z-direction piston rod2173to move upward. The end of the Z-direction piston rod2173away from the Z-direction piston2172pushes up the end of the upper clamping block213close to the test module3. The elastic member216is in a compressed state. The upper clamping block213drives the indenter215to lift up. The first air pipe2114takes air into the cylinder barrel2111into the X direction, and the second air pipe2115exhausts air to the outside, so that the X direction cylinder slider210slides away from the test module3. Connect the connecting female end302on the test module3to the connecting male end218on the adjustment module2. Adjust the first adjusting bolt2043to push the Y-direction slider202to slide. This makes the first detection point303of the test module3correspond to the second detection point2001on the display screen200in the Y direction. Then tighten the first fixing screw205so that the Y-direction slider202remains unchanged in the Y-direction. Then adjust the second adjusting bolt2083to push the X-direction slider206to slide. This makes the first detection point303of the test module3correspond to the second detection point2001on the display screen200in the X direction. Then tighten the second fixing screw209so that the X-direction slider206remains unchanged in the X-direction. The second air pipe2115enters X into the cylinder barrel2111, and the first air pipe2114exhausts outward. This makes the X-direction cylinder slider210slide toward the test module3. Close the two-position two-way valve, the gas path is not connected. The third air pipe2174exhausts outward, and the Z-direction piston2172moves downward. The indenter215drops, and the indenter215presses the first detection point303and the second detection point2001tightly. The first aviation socket304and the second aviation socket101are connected with a connecting wire, the control device5is turned on, and the lighting test of the display screen200on the lighting fixture110is started.

When changing the display screen200of different specifications for testing, open the two-position two-way valve and the gas path is connected. Intake air into the Z-direction cylinder barrel2171and push the Z-direction piston2172to move upward. The Z-direction piston2172pushes the Z-direction piston rod2173to move upward. The end of the Z-direction piston rod2173away from the Z-direction piston2172pushes up the end of the upper clamping block213close to the test module3. The elastic member216is in a compressed state. The upper clamping block213drives the indenter215to lift up. The first air pipe2114takes air into the cylinder barrel2111into the X direction, and the second air pipe2115exhausts air to the outside, so that the X direction cylinder slider210slides away from the test module3. Remove the original display screen, replace with a new display screen, and install the test module3matching the new specification display screen on the adjustment module2.

In summary, the lighting fixture110of this embodiment mounts the display screen200on the carrier module4. The test module3corresponding to the display screen200is installed on the adjustment module2. The first detection point303of the test module3is correspondingly connected to the second detection point2001on the display screen200through the adjustment module2. This can improve the alignment accuracy of the first detection point303and the second detection point2001and improve the detection efficiency.

The lighting fixture110of this embodiment can be adjusted accurately and quickly switch display screens200of different specifications for lighting testing. This reduces the replacement time of the lighting fixture110during the lighting test of the display screens200of different specifications and improves the replacement efficiency. This enhances the versatility of the lighting fixture110and improves the repetitive utilization of the lighting fixture110. This reduces the cost of the lighting fixture110. This reduces the types of lighting fixtures110and reduces the occupation of the company's inventory space. This reduces the production cost of the enterprise.

The multi-station lighting system of the present invention is spliced by multiple lighting fixtures to light up multiple display screens of multiple specifications at a time or multiple display screens of the same specification at a time, thereby improving lighting efficiency.

As shown inFIG.12, the embodiment 2 includes most of the technical features of the embodiment 1. The difference between the embodiment 2 and the embodiment 1 is that the multiple lighting fixtures110in the embodiment 2 are spliced with each other and arranged along the Y direction.

The multi-station lighting system100of this embodiment is spliced by a plurality of lighting fixtures110to light up display screens200of multiple specifications at a time or multiple display screens200of the same specification at a time to improve lighting efficiency.

As shown inFIG.13, the embodiment 3 includes most of the technical features of the embodiment 1. The difference between the embodiment 3 and the embodiment 1 is that the multiple lighting fixtures110in the embodiment 3 are spliced with each other and are arranged along the X direction and the Y direction.

The multi-station lighting system100of this embodiment is spliced by a plurality of lighting fixtures110to light up display screens200of multiple specifications at a time or multiple display screens200of the same specification at a time to improve lighting efficiency.

The lighting fixture and the multi-station lighting system provided by this application are described in detail above. Specific examples are used in this article to illustrate the principle and implementation of this application. The description of the above embodiments is only used to help understand the method and core idea of the present application. In addition, for those skilled in the art, based on the idea of the present application, there will be changes in the specific implementation and the scope of application. In summary, the content of this specification should not be construed as a limitation to this application.