LED lamp test fixture of circuit board

Abstract

The utility model discloses an LED lamp test fixture of a circuit board, which comprises a test platform, a positioning platform is movably arranged on the test platform, a plurality of positioning pins and a plurality of stop blocks are arranged on the positioning platform, a first cylinder is arranged on one side of the positioning platform, an output end of the first cylinder is provided with a mounting plate, and the mounting plate is provided with an LED lamp. A push-out air cylinder and an optical fiber are arranged on the mounting plate, a pressing head is arranged at the output end of the push-out air cylinder, a second air cylinder is arranged on the other side of the positioning platform, and a power connector is arranged at the output end of the second air cylinder. The to-be-detected part is positioned and elastically compressed, then the button of the circuit board is pressed through the pressing head, and the signal of the LED lamp is transmitted to the LED detector through the optical fiber for detection, so that the automation of the whole testing process is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board detection, in particular to a LED lamp testing fixture for a circuit board. Background Art

[0002] Before a circuit board equipped with LED lights leaves the factory, the LED lights on the circuit board need to be tested to confirm that they are working properly. In the existing technology, the circuit board is usually powered on, and then the operator observes the lighting conditions of the LED lights one by one. This traditional testing method relies heavily on manpower, has low test accuracy and low efficiency. Utility Model Content

[0003] In order to address the shortcomings of the prior art, the present application provides a LED lamp testing fixture for a circuit board, comprising a testing platform, a positioning platform movably provided on the testing platform, a plurality of positioning pins and a plurality of blocks provided on the positioning platform, a first cylinder provided on one side of the positioning platform, a mounting plate provided at the output end of the first cylinder, a pushing cylinder and an optical fiber provided on the mounting plate, a pressing head provided at the output end of the pushing cylinder, a second cylinder provided on the other side of the positioning platform, and a power connector provided at the output end of the second cylinder.

[0004] Furthermore, a top plate is provided above the positioning platform, a lifting cylinder is provided on the top plate, a lifting plate is provided at the output end of the lifting cylinder, and a plurality of elastic pressure rods are provided on the lifting plate.

[0005] Furthermore, a barcode scanner is provided on the top plate.

[0006] Furthermore, a third cylinder and a slider are provided on the test platform, a slide rail is provided on the slider, and the positioning platform is provided on the slide rail and connected to the output end of the third cylinder.

[0007] Furthermore, a limit block capable of abutting against the slide rail is provided on the test platform.

[0008] Furthermore, the moving direction of the positioning platform and the moving direction of the mounting plate are perpendicular to each other.

[0009] Furthermore, a protective cover with an opening on one side is provided on the test platform, and the positioning platform can be moved out from the opening of the protective cover.

[0010] Furthermore, safety gratings are provided on both sides of the opening of the protective cover.

[0011] Furthermore, a guide block is provided on the test platform, a guide column is provided on the guide block, and a guide hole corresponding to the guide column is provided on the mounting plate.

[0012] Furthermore, an LED tester is also provided on the test platform for receiving optical signals of the optical fiber and performing tests.

[0013] The benefit of this application lies in that the LED light test fixture for the circuit board provided positions and elastically presses the circuit board to be tested, then presses the button of the circuit board with a pressing head, and transmits the signal of the LED light to the LED tester for testing through optical fiber, thereby realizing the automation of the entire testing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of an embodiment of an LED lamp test fixture for a circuit board of the present application;

[0015] Figure 2 for Figure 1 Schematic diagram of the internal structure of the middle protective cover;

[0016] Figure 3 for Figure 2 Schematic diagram of the positioning component structure;

[0017] Figure 4 for Figure 3 Another perspective structural diagram;

[0018] Figure 5 for Figure 2 Schematic diagram of the structure of the middle compression assembly;

[0019] Figure 6 for Figure 2 Schematic diagram of the power supply component structure;

[0020] Figure 7 for Figure 2 Schematic diagram of the test component structure.

[0021] The following are marked in the figure: 10, test platform, 11, positioning assembly, 111, positioning platform, 112, positioning pin, 113, stopper, 114, third cylinder, 115, slider, 116, slide rail, 117, limit block, 12, clamping assembly, 121, column, 122, top plate, 123, lifting cylinder, 124, lifting plate, 125, elastic pressure rod, 126, guide column, 13, power supply assembly, 131, second cylinder, 132, power supply Connector, 14. Test assembly, 141. First cylinder, 142. Mounting plate, 143. Push cylinder, 144. Optical fiber, 145. Press head, 146. Foam, 147. LED tester, 15. Barcode scanner, 151. Adjustment plate, 152. Adjustment slot, 16. Protective cover, 17. Safety light grid, 18. Circuit board to be tested, 181. Button, 182. LED light, 183. Power interface, 19. Guide block, 191. Guide rod. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] In this application, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe this application and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0025] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0026] Furthermore, the terms "installed," "disposed," "provided with," "connected," "connected," and "socketed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0027] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] See also Figure 1 and Figure 2 This embodiment provides a circuit board LED lamp test fixture, including a test platform 10, on which a positioning component 11, a pressing component 12, a power supply component 13 and a test component 14 are provided. The positioning component 11 is used to position and place the circuit board to be tested, the pressing component 12 is used to press the circuit board to be tested from above, the power supply component 13 is used to provide power to the circuit board to be tested, and the test component 14 is used to test the circuit board to be tested.

[0029] See also Figure 3 and Figure 4 The positioning assembly 11 includes a positioning platform 111. Two groups of positioning pins 112 and two groups of blocks 113 are set on the positioning platform 111. The positions and numbers of the positioning pins and blocks are determined according to the size and shape of the parts. A third cylinder 114 and a slider 115 are also set on the test platform 10. A slide groove is provided on the slider 115, and a slide rail 116 is movably set in the slide groove. The positioning platform 111 is set on the slide rail 116 and is connected to the output end of the third cylinder 114.

[0030] The positioning platform 111 is moved to the outside of the test platform by the third cylinder 114 to facilitate the removal and placement of circuit boards. When the third cylinder 114 drives the positioning platform to move back, in order to facilitate the positioning of the positioning platform, a limit block 117 is set on the test platform 10 near the end of the slide rail 116 away from the outside of the test platform. An adjusting screw (not shown in the figure) is set on the limit block 117, and the adjusting screw can abut against the end of the slide rail to achieve the position positioning of the positioning platform.

[0031] See also Figure 5 The clamping assembly 12 includes a top plate 122 set on the test platform through multiple columns 121, a lifting cylinder 123 is set on the top plate 122, a lifting plate 124 is set at the output end of the lifting cylinder 123, and multiple elastic pressure rods 125 are set on the lifting plate 124. The elastic pressure rods 125 are located directly above the positioning platform. The elastic pressure rods 125 are driven downward by the lifting cylinder 123 to achieve elastic compression of the circuit board to be tested.

[0032] In order to achieve stable downward movement of the lifting plate 124, two guide columns 126 are also provided on the lifting plate 124. The upper ends of the guide columns 126 are set through the top plate 122. In addition, a barcode scanner 15 is also provided on the top plate 122. The barcode scanner 15 is connected to the top plate through an adjustment plate 151. An arc-shaped adjustment groove 152 is provided on the adjustment plate 151. A plurality of threaded holes corresponding to the positions of the arc-shaped adjustment grooves 152 are provided on the top plate 122, and then fixed with screws to achieve angle adjustment of the barcode scanner 15.

[0033] See also Figure 6 The power supply component 13 includes a second cylinder 131 arranged on the right side of the positioning platform 111. A power connector 132 is set at the output end of the second cylinder 131. The power connector 132 is driven by the second cylinder 131 to insert into the power interface on the circuit board to be tested to provide power for subsequent tests.

[0034] See also Figure 7 The test component 14 includes a first cylinder 141 arranged on the left side of the positioning platform 111, and a mounting plate 142 is provided at the output end of the first cylinder 141. A pushing cylinder 143 and an optical fiber 144 are arranged in parallel on the mounting plate 142. A pressing head 145 is provided at the output end of the pushing cylinder 143. The optical fiber 144 is provided in two groups according to the number and position of the LED lights on the circuit board and is fixed by a fixing block. A foam 146 is also provided on the fixing block. An LED detector 147 is also provided on the test platform for receiving the optical signal of the optical fiber and performing detection.

[0035] In order to guide the movement of the power connector and the mounting plate, guide blocks 19 are respectively provided on the test platforms on both sides of the positioning platform. A guide rod 191 is provided on the guide block 19. Guide holes are provided on the mounting plate and the structure for installing the power connector. When the two move, the guide rod 191 can be inserted into the guide hole.

[0036] In addition, a protective cover 16 with an opening on one side is provided above the test platform 10. The positioning assembly 11, the clamping assembly 12, the power supply assembly 13 and the test assembly 14 are all arranged in the protective cover 16. The positioning platform 111 can be moved to the outside of the protective cover. Safety gratings 17 are respectively provided on both sides of the opening to prevent misoperation.

[0037] The test platform 10 is a frame structure with an installation space inside, where industrial computers, power supplies and other electrical components are placed. The top can be opened for easy inspection and positioning of the interior, and cooling fans, buttons, switches and other structures are set on the side.

[0038] Working principle: The positioning platform 111 is moved to the outside of the test platform by the third cylinder 114, and then the circuit board 18 to be tested is placed. Then the third cylinder 114 is reset, and the lifting cylinder 123 drives the elastic pressure rod 125 to descend and press the circuit board to be tested, and scans the code through the scanner for identification. The second cylinder 131 drives the power connector 132 to be inserted into the power interface 183. After power is turned on, the first cylinder 141 drives the mounting plate 142 to move forward, and the pressing head 145 moves to the position of the button 181. The optical fiber 144 contacts the LED light 182, and then the cylinder 143 is pushed out to start, driving the pressing head 145 to press the button, the LED light becomes bright, and then the signal is transmitted to the LED detector 147 through the optical fiber to complete the test.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A circuit board LED lamp test fixture, including a test platform, characterized by: A positioning platform is movably provided on the test platform, a plurality of positioning pins and a plurality of blocks are provided on the positioning platform, a first cylinder is provided on one side of the positioning platform, a mounting plate is provided on the output end of the first cylinder, a pushing cylinder and an optical fiber are provided on the mounting plate, a pressing head is provided on the output end of the pushing cylinder, a second cylinder is provided on the other side of the positioning platform, and a power connector is provided on the output end of the second cylinder.

2. The LED lamp test fixture for a circuit board according to claim 1, characterized in that: A top plate is provided above the positioning platform, a lifting cylinder is provided on the top plate, a lifting plate is provided at the output end of the lifting cylinder, and a plurality of elastic pressure rods are provided on the lifting plate.

3. The LED light test fixture for a circuit board according to claim 2, characterized in that: A code scanner is arranged on the top plate.

4. The LED lamp test fixture for a circuit board according to claim 1, characterized in that: A third cylinder and a slider are arranged on the test platform, a slide rail is arranged on the slider, and the positioning platform is arranged on the slide rail and connected to the output end of the third cylinder.

5. The LED lamp test fixture for a circuit board according to claim 4, characterized in that: The test platform is provided with a limit block which can abut against the slide rail.

6. The LED lamp test fixture for a circuit board according to claim 4, characterized in that: The moving direction of the positioning platform and the moving direction of the mounting plate are perpendicular to each other.

7. The LED lamp test fixture for a circuit board according to claim 1, characterized in that: A protective cover with an opening on one side is provided on the test platform, and the positioning platform can be moved out from the opening of the protective cover.

8. The LED lamp test fixture for a circuit board according to claim 7, characterized in that: Safety gratings are arranged on both sides of the opening of the protective cover.

9. The LED lamp test fixture for a circuit board according to claim 1, characterized in that: A guide block is provided on the test platform, a guide column is provided on the guide block, and a guide hole corresponding to the guide column is provided on the mounting plate.

10. The LED lamp test fixture for a circuit board according to claim 1, characterized in that: An LED tester is also provided on the test platform.

Images