Clamp for testing light emitting diode
By designing a fixture for LED testing, the problems of long testing cycles and high costs for LEDs were solved, achieving an efficient testing process and improving stability and convenience.
Patent Information
- Application Number
- CN202520316656.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-26
AI Technical Summary
In existing technologies, when conducting shock and vibration tests on light-emitting diodes, a certain number of diodes must be collected before the test can be carried out, which prolongs the test cycle and increases costs.
A fixture for testing light-emitting diodes (LEDs) was designed, including a base plate, a sub-clamp, and a pressure plate. The LEDs are fixed on the fixture by a fixing component, and the placement is made easier by using guide ramps and guide arcs, while the stability is improved by using rubber pads.
It shortened the testing cycle, reduced costs, improved work efficiency, and enhanced the stability and convenience of LEDs in testing.
Smart Images
Figure CN223692148U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of test fixture, in particular to a light emitting diode test fixture. BACKGROUND
[0002] At present, the light emitting diode (LED) is a kind of semiconductor device that can convert electrical energy into light energy. When current passes through the LED, the electron and hole in the semiconductor material recombine, and the energy is released in the form of light.
[0003] After the light emitting diode product is completed, mechanical impact and vibration test will be carried out according to the use environment and requirements, so as to verify whether the elastic coefficient of the product meets the design requirements.
[0004] In the prior art, when the light emitting diode is subjected to impact and vibration test, a batch of light emitting diodes is needed, and then the light emitting diodes are placed on a special fixture for test. Because a certain number of light emitting diodes are often needed to be gathered before test, the product test period is prolonged, the cost is high, the work efficiency of the enterprise is reduced to a certain extent, and the production cost is increased. CONTENT OF THE UTILITY MODEL
[0005] The technical problem to be solved by the utility model is to provide a light emitting diode test fixture, which solves the technical problem that a certain number of light emitting diodes need to be gathered before the light emitting diode is subjected to impact and vibration test, and then the light emitting diodes are fixed on a special fixture for test, the product test period is prolonged, the work efficiency is reduced and the production cost is increased.
[0006] To achieve the above purpose, the utility model provides the following technical scheme.
[0007] A light emitting diode test fixture, comprising a bottom plate, the bottom plate is used for supporting the light emitting diode test fixture, a sub-clamp is installed on the bottom plate, the light emitting diode is placed on the sub-clamp, a pressing plate is arranged on one side of the sub-clamp, and the pressing plate is used for fixing the light emitting diode on the sub-clamp, a fixing assembly is arranged on the bottom plate, and the fixing assembly is used for fixing the connection between the bottom plate, the sub-clamp and the pressing plate.
[0008] Further, a mounting hole is formed in the sub-clamp, a plurality of mounting holes are arranged at intervals on the sub-clamp, a guide inclined surface is formed on the mounting hole, and the guide inclined surface faces the inner side of the mounting hole.
[0009] Further, a positioning hole is formed in the pressing plate, and the positioning hole is in communication with the mounting hole.
[0010] Further, a clamping groove is formed between the pressing plate and the sub clamp, and the light emitting diode is clamped in the clamping groove.
[0011] Further, a rubber pad is formed on the side of the pressing plate close to the sub clamp, the rubber pad is connected to the pressing plate, and the rubber pad extends to the side close to the positioning hole with a protective ring, which protects the light emitting diode.
[0012] Further, the fixing assembly includes a first fixing screw, a second fixing screw, and a third fixing screw, the first fixing screw is used to install the bottom plate on the test bench body, the second fixing screw is used to install the sub clamp on the bottom plate, and the third fixing screw is used to install the pressing plate on the sub clamp.
[0013] Further, a guide arc surface is formed on the side of the positioning hole close to the sub clamp, and the guide arc surface extends to the inner side of the positioning hole.
[0014] In summary, the present application includes at least one of the following technical effects of the light emitting diode test clamp:
[0015] 1. When in use, any number of light emitting diodes are placed on the sub clamp, and then the light emitting diodes are pressed on the sub clamp by the pressing plate, and then the bottom plate, the sub clamp, and the pressing plate are connected and fixed by the fixing assembly, so that the light emitting diodes do not need to be tested in batches when subjected to impact and vibration test, the test period of the light emitting diodes is shortened, the experimental cost is reduced, and the work efficiency of the enterprise is improved.
[0016] 2. The positioning hole and the rubber pad on the pressing plate are arranged to improve the stability of the light emitting diode on the sub clamp, and the positioning hole on the pressing plate can also keep the shape of the light emitting diode from being affected by the experimental mechanical stress.
[0017] 3. The arrangement of the guide slope and the guide arc surface improves the convenience of the light emitting diode during placement. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a schematic diagram of the overall structure of the light emitting diode test clamp provided by the present application;
[0019] Figure 2 is an exploded schematic diagram of the sub clamp structure provided by the present application;
[0020] Figure 3 is a schematic diagram of the pressing plate structure provided by the present application;
[0021] Figure 4 is a schematic diagram of the light emitting diode structure provided by the present application.
[0022] 1, light emitting diode; 11, diode body; 111, extension; 12, pin; 2, base plate; 3, sub clamp; 31, mounting plate; 32, mounting hole; 33, guide bevel; 4, pressing plate; 41, positioning hole; 42, clamping groove; 43, rubber pad; 44, protective ring; 45, guide camber; 5, fixing assembly; 51, first fixing screw; 52, second fixing screw; 53, third fixing screw. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model will be further described below in combination with specific embodiments.
[0024] The utility model is described below in combination with the accompanying Figures 1-4 The application is further described in detail.
[0025] The embodiment of the application discloses a light emitting diode test clamp.
[0026] Referring to Figure 1 With Figure 4 A light emitting diode test clamp, comprising a base plate 2, the base plate 2 is provided with a sub clamp 3, and a light emitting diode 1 is placed on the sub clamp 3. The sub clamp 3 is provided with a pressing plate 4, and the pressing plate 4 fixes the light emitting diode 1 on the sub clamp 3. The base plate 2 is provided with a fixing assembly 5, and the fixing assembly 5 is used for fixing the base plate 2, the sub clamp 3 and the pressing plate 4.
[0027] The base plate 2 is in the shape of a rectangular plate as a whole, the fixing assembly 5 comprises a first fixing screw 51, two first fixing screws 51 are arranged along the length direction of the base plate 2, one end of the two first fixing screws 51 penetrates through the base plate 2, and the end of the first fixing screw 51 penetrating through the base plate 2 is in threaded connection with a test bench.
[0028] Referring to Figures 1-2 The sub clamp 3 is provided with two sub clamps 3 along the width direction of the base plate 2, the fixing assembly 5 comprises a second fixing screw 52, two second fixing screws 52 are arranged on the sub clamp 3, one end of the two second fixing screws 52 on the sub clamp 3 penetrates through the sub clamp 3, and the end of the second fixing screw 52 penetrating through the sub clamp 3 is connected with the base plate 2.
[0029] Referring to Figure 2Further, the sub clamp 3 is provided with a mounting plate 31, the mounting plate 31 is rectangular in cross section, the width direction of the mounting plate 31 is perpendicular to the bottom plate 2, the mounting plate 31 is provided with mounting holes 32, the mounting holes 32 penetrate through the mounting plate 31 along the thickness direction of the mounting plate 31, and the mounting holes 32 are uniformly and spacedly provided on the mounting plate 31, and in use, the light emitting diode 1 is placed on the sub clamp 3.
[0030] With reference to Figures 2-3 The light emitting diode 1 comprises a diode body 11 and a pin 12, the pin 12 is formed on the diode body 11, and the diode body 11 is provided with an extension 111, when the light emitting diode 1 is placed, the pin 12 penetrates into the mounting hole 32 of the mounting plate 31, and the extension 111 on the diode body 11 is arranged on the mounting plate 31. In order to improve the convenience of the pin 12 penetrating into the mounting hole 32, one end of the mounting hole 32 is provided with a guide inclined surface 33, the guide inclined surface 33 faces the inner side close to the mounting hole 32, and in use, the guide inclined surface 33 guides the pin 12, so that the convenience of placing the light emitting diode 1 on the sub clamp 3 is improved.
[0031] With reference to Figure 3 The pressing plate 4 is rectangular in whole, and the pressing plate 4 is parallel and spaced apart from the mounting plate 31, the pressing plate 4 is provided with a positioning hole 41, the positioning hole 41 is correspondingly communicated with the mounting hole 32 on the sub clamp 3, and in addition, the pressing plate 4 and the sub clamp 3 form a clamping groove 42, when the light emitting diode 1 is placed on the sub clamp 3, the pressing plate 4 presses the diode body 11 on the sub clamp 3, and in the process of pressing the diode body 11, the extension 111 on the diode body 11 is clamped in the clamping groove 42.
[0032] With reference to Figure 3 The fixing assembly 5 comprises a third fixing screw 53, and four third fixing screws 53 are spaced apart on the pressing plate 4, one end of the four third fixing screws 53 penetrates through the pressing plate 4, and the one end of the four third fixing screws 53 penetrating through the pressing plate 4 is threadedly connected with the sub clamp 3, and in use, the third fixing screw 53 is rotated to fix the pressing plate 4 on the sub clamp 3. By embedding the diode body 11 into the positioning hole 41 of the pressing plate 4, the appearance of the diode body 11 can be kept from being affected by the test mechanical stress.
[0033] With reference to Figures 2-3, further, in order to improve the stability of the light emitting diode 1 on the sub clamp 3, the pressing plate 4 is provided with a rubber pad 43 on the side close to the sub clamp 3, the rubber pad 43 is installed on the pressing plate 4, in addition, the rubber pad 43 extends to the inner side of the positioning hole 41 with a protective ring 44, when the pressing plate 4 is fixed on the sub clamp 3, the rubber pad 43 deforms, the rubber pad 43 increases the stability of the light emitting diode 1 fixed on the sub clamp 3, at the same time, the rubber pad 43 can also reduce the influence of mechanical stress on the appearance of the diode body 11 during the test.
[0034] Referring to Figure 3 In addition, the positioning hole 41 on the pressing plate 4 is formed with a guide arc surface 45 on the side close to the sub clamp 3, the guide arc surface 45 guides the diode body 11, so that the convenience of embedding the diode body 11 into the pressing plate 4 is improved.
[0035] The above are preferred embodiments of the present application, not limited by the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A test fixture for light emitting diodes, comprising a base plate (2) for supporting a test fixture for light emitting diodes (1), characterized in that: The bottom plate (2) is provided with a sub-clamp (3), the light emitting diode (1) is placed on the sub-clamp (3), one side of the sub-clamp (3) is provided with a pressing plate (4), the pressing plate (4) is used for fixing the light emitting diode (1) on the sub-clamp (3); The bottom plate (2) is provided with a fixing assembly (5), the fixing assembly (5) is used for fixing the connection between the bottom plate (2), the sub-clamp (3) and the pressing plate (4).
2. The LED test fixture of claim 1, wherein: The sub-clamp (3) is provided with a mounting hole (32), the mounting hole (32) is provided with a plurality of mounting holes (32) on the sub-clamp (3), and a plurality of mounting holes (32) are formed with a guide inclined surface (33), the guide inclined surface (33) is towards the inner side of the mounting hole (32).
3. A test fixture for light emitting diodes as defined in claim 2, wherein: The pressing plate (4) is provided with a positioning hole (41), the positioning hole (41) is communicated with the mounting hole (32).
4. The LED test fixture of claim 3, wherein: The pressing plate (4) and the sub-clamp (3) form a clamping groove (42), and the light emitting diode (1) is clamped in the clamping groove (42).
5. The LED test fixture of claim 3, wherein: The pressing plate (4) is formed with a rubber pad (43) near the sub-clamp (3), the rubber pad (43) is connected to the pressing plate (4), and the rubber pad (43) extends to the side near the positioning hole (41) with a protective ring (44), the protective ring (44) protects the light emitting diode (1).
6. The LED test fixture of claim 1, wherein: The fixing assembly (5) comprises a first fixing screw (51), a second fixing screw (52) and a third fixing screw (53), the first fixing screw (51) is used for mounting the bottom plate (2) on the test bench body, the second fixing screw (52) is used for mounting the sub-clamp (3) on the bottom plate (2), and the third fixing screw (53) is used for mounting the pressing plate (4) on the sub-clamp (3).
7. The LED test fixture of claim 3, wherein: The positioning hole (41) is formed with a guide arc surface (45) near the sub-clamp (3), and the guide arc surface (45) extends to the inner side of the positioning hole (41).