LED light source performance testing device and testing method
By designing a LED light source performance detection equipment including holding racks, vibration racks, inclined racks, and linked racks, the problem of low efficiency and inaccurate results of the existing detection method is solved, and the efficient, accurate, accurate and accurate of the hemispherical LED light source Comprehensive performance testing.
Patent Information
- Application Number
- CN202410872271.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2044-07-01
AI Technical Summary
The existing LED light source performance detection methods are inefficient and the test results are inaccurate, especially the comprehensive testing of the hemispherical LED light source is difficult to achieve, and frequent fixation can easily lead to equipment damage.
An LED light source performance testing equipment is designed, including a fixing unit and a testing unit. Through components such as a clamping frame, a vibration frame, a tilting frame and a linkage frame, the clamping, fixation, vibration, tilting and electrical connection of the hemispherical LED light source are realized. , conduct comprehensive performance testing.
It improves the efficiency and accuracy of LED light source performance testing. The hemispherical LED light source only needs to be fixed once to vibrate irregularly at different tilt angles and conduct impact resistance tests to ensure the reliability of the test results.
Smart Images

Figure CN118706414B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of LED light source performance detection, and in particular to an LED light source performance detection device and a detection method. Background Art
[0002] LED light source is a light-emitting diode light source. This type of light source has the advantages of small size, long life, and high efficiency. It can be used continuously for up to 100,000 hours, so it is widely used in the field of lighting. As a common lighting equipment, LED light source needs to undergo various mechanical performance tests during production and use to ensure that its quality and performance meet standards and requirements. Mechanical performance tests include impact resistance test, vibration resistance test, pressure resistance test, tensile resistance test, wear resistance test, tilt resistance test, waterproof performance test, and dustproof performance test. Here, the main test is for hemispherical LED light sources.
[0003] The current performance test is generally a single test without comprehensive testing. Therefore, the conclusions drawn by this test method are less accurate. If you want to perform multiple tests on a hemispherical LED light source, you need to fix it on different test machines in turn for testing. The test efficiency is low, and frequent fixation of the hemispherical LED light source can easily cause damage to its surface, thereby affecting the test results. In addition, sequential testing cannot determine whether the performance of the hemispherical LED light source in a complex environment meets the standards. Summary of the invention
[0004] In view of the above problems, the embodiments of the present application provide an LED light source performance detection device and a detection method to solve the technical problems of low test efficiency and inaccurate test results in the related art. In order to achieve the above objectives, the embodiments of the present application provide the following technical solutions.
[0005] A first aspect of an embodiment of the present application provides an LED light source performance detection device, comprising a fixing unit and a detection unit, wherein the detection unit is arranged on the fixing unit and is used to detect the performance of the LED light source; the fixing unit comprises a workbench, a vibration frame is arranged on the workbench, a tilting frame is arranged on the upper end of the vibration frame, a linkage frame is arranged between the tilting frame and the vibration frame, a clamping frame is arranged on the upper end of the tilting frame, and extrusion blocks are symmetrically arranged on the clamping frame; the detection unit comprises a power supply frame, and a power supply frame is arranged on the clamping frame.
[0006] According to an embodiment of the present invention, the vibration frame includes a motor 1, which is fixedly installed on a workbench through a motor seat, a vibration column is fixedly installed on the output shaft of the motor 1 through a coupling, a plurality of tooth grooves are provided at the outer end of the vibration column, and adjacent tooth grooves have different sizes, annular grooves are symmetrically provided front and back of the vibration column, and sliding rods are connected in the annular grooves in a sliding fit manner, a linkage plate is fixedly installed on the upper ends of the sliding rods, and a guide rod with a telescopic structure is symmetrically fixedly installed on the lower ends of the linkage plate, and the end of the guide rod is fixedly connected to the workbench.
[0007] According to an embodiment of the present invention, the tilting frame includes a rectangular block, a rectangular block is fixedly installed on the upper end of the linkage plate, a rotating circular plate is rotatably connected to the front end of the rectangular block, a bevel gear 1 is rotatably connected to the rectangular block, a fan-shaped groove is provided on the rotating circular plate, and bevel tooth grooves meshing with bevel gear 1 are evenly provided in the fan-shaped groove, a bevel gear 2 is rotatably connected to the rectangular block, and a bevel gear 3 meshing with bevel gear 2 is fixedly installed at the lower end of the bevel gear.
[0008] According to an embodiment of the present invention, the linkage frame includes sprocket one, sprocket one is fixedly installed at the rear end of bevel gear two, sprocket two is fixedly installed at the rear end of the vibration column, a fixed plate is fixedly installed on the workbench, a rectangular groove is opened at the rear end of the fixed plate, cylindrical springs are fixedly installed symmetrically up and down in the rectangular groove, and moving blocks are fixedly installed at the ends of the cylindrical springs, the moving block is connected to the rectangular groove in a sliding manner, the rear end of the moving block is rotatably connected to sprocket three, and sprocket one, sprocket two and sprocket three are connected through a toothed chain belt one.
[0009] According to an embodiment of the present invention, the clamping frame includes a fixed circular plate, a fixed circular plate is fixedly installed on the upper end of the rotating circular plate, a bidirectional screw is rotatably connected to the middle part of the fixed circular plate, a second motor is fixedly installed on the fixed circular plate through a motor seat, the output shaft of the second motor is fixedly connected to the bidirectional screw through a coupling, the bidirectional screw is symmetrically connected to an extrusion block in a threaded connection manner, and the extrusion block and the rotating circular plate are connected in a sliding fit manner.
[0010] According to an embodiment of the present invention, rubber airbags are fixedly installed at opposite ends of the extrusion block, and the rubber airbags are in an unfilled state. Multiple contact strips are fixedly installed at opposite ends of the rubber airbags, and the multiple contact strips are evenly arranged. Adjacent contact strips are hinged by pins, and rubber suction cups are evenly fixedly installed at one end of the contact strip away from the rubber airbag. The rubber suction cups on the same contact strip are connected to each other, and the rubber suction cups on adjacent contact strips are connected by a connecting pipe. An air pump is fixedly installed on the upper end of the extrusion block, and the air pump and the adjacent connecting pipes are fixedly connected by a ventilation pipe.
[0011] According to an embodiment of the present invention, the power supply rack includes a power plug, the power plug is symmetrically fixedly installed on the front and rear arc-shaped outer ends of the fixed circular plate, a power supply is fixedly installed in the middle of the fixed circular plate, the positive and negative poles of the power supply are electrically connected to adjacent power plugs respectively, a timer switch is fixedly connected between the negative pole of the power supply and the power plug, a protective cover is rotatably connected to the arc-shaped outer end of the fixed circular plate and located on one side of the power plug through a pin shaft, a torsion spring is sleeved on the pin shaft, one end of the torsion spring is fixedly connected to the protective cover, and the other end of the torsion spring is fixedly connected to the fixed circular plate.
[0012] According to an embodiment of the present invention, the present invention also uses a method for detecting performance of an LED light source, comprising the following steps:
[0013] S1. Clamping and fixing: firstly, the hemispherical LED light source is placed on the clamping frame, and the clamping frame drives the extrusion block to move toward the hemispherical LED light source and clamp it to fix it.
[0014] S2, electrical connection and vibration: then electrically connect the hemispherical LED light source to the power supply frame, and then drive the hemispherical LED light source to vibrate through the vibration frame.
[0015] S3. Tilt vibration: driven by the linkage frame, the tilt frame drives the hemispherical LED light source to rotate, thereby changing the tilt angle of the hemispherical LED light source, so that the hemispherical LED light source vibrates irregularly at different tilt angles.
[0016] S4. Observation test: The hemispherical LED light source is subjected to irregular vibration at different tilt angles and the lighting of the hemispherical LED light source is turned on and off several times. Finally, the hemispherical LED light source is observed to see if there are any abnormal phenomena such as parts falling off, structural damage, and lighting failure. If so, the performance of the hemispherical LED light source does not meet the standards, otherwise, it meets the standards.
[0017] It can be seen from the above technical solutions that the present invention has the following advantages:
[0018] 1. In the present invention, the hemispherical LED light source is clamped and fixed by driving the extrusion block through the clamping frame, and then electrically connected to the power supply frame, and then the hemispherical LED light source is driven to vibrate through the vibration frame. Driven by the linkage frame, the tilting frame drives the hemispherical LED light source to rotate, thereby changing the tilt angle of the hemispherical LED light source, and the hemispherical LED light source is turned on and off several times, and finally the hemispherical LED light source is observed to see whether there are abnormal phenomena such as parts falling off, structural damage, and lighting failure. If so, the performance of the hemispherical LED light source does not meet the standards, otherwise, it meets the standards. During the whole process, the hemispherical LED light source only needs to be fixed once, and irregular vibration can be performed at different tilt angles. At the same time, an impact resistance test is performed to ensure the accuracy of the test results of the hemispherical LED light source and the detection efficiency of the device.
[0019] 2. In the present invention, the vibration column is driven to rotate by motor 1, thereby driving the sliding rod to move in the up and down directions in the annular groove. Since the sizes of adjacent tooth grooves are different, the up and down displacements of the sliding rod are different, thereby ensuring that the hemispherical LED light source vibrates irregularly. The tilting frame is positioned by cooperating with the guide rod through the linkage plate, and the linkage frame drives the bevel gear 2 to rotate, thereby driving the bevel gear 3 to rotate. The bevel gear 3 rotates together with the bevel gear 1, and the bevel gear 1 drives the rotating circular plate to rotate, thereby changing the inclination angle of the rotating circular plate, and driving the hemispherical LED light source to rotate, so as to achieve the purpose of making the hemispherical shape vibrate irregularly at different inclination angles.
[0020] 3. In the present invention, the rubber airbag is tightly attached to the hemispherical LED light source base, the rubber airbag is in contact with the hemispherical LED light source base, and the air between the rubber airbag and the hemispherical LED light source base is discharged by an air pump, so that the rubber airbag and the hemispherical LED light source base are attracted to each other, so as to achieve the purpose of fixing the hemispherical LED light source base.
[0021] 4. In the present invention, the lighting and extinguishing of the hemispherical LED light source are controlled by timing on and off, thereby performing an impact resistance test on the hemispherical LED light source, and the power plug is protected by a protective cover to prevent external dust from entering when not in use, thereby preventing the subsequent normal electrical connection between the hemispherical LED light source and the power plug.
[0022] In addition to the technical problems solved by the embodiments of the present application described above, the technical features that constitute the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions, other technical problems that can be solved by an LED light source performance detection device and a detection method provided by the embodiments of the present application, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features will be further described in detail in the specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.
[0024] Figure 1 A schematic diagram of a main-view stereoscopic structure provided according to an embodiment of the present invention is shown.
[0025] Figure 2 A schematic diagram of a left-side sectional plan structure provided according to an embodiment of the present invention is shown.
[0026] Figure 3 Shows Figure 2 A local enlarged view of location N.
[0027] Figure 4 A schematic diagram of a main cross-sectional plane structure provided according to an embodiment of the present invention is shown.
[0028] Figure 5 Shows Figure 4 A local enlarged view of point M.
[0029] Figure 6 A schematic diagram of a rear-view plane structure provided according to an embodiment of the present invention is shown.
[0030] Figure 7 Shows Figure 6 AA section view.
[0031] Figure 8 A workflow diagram of the present invention is shown.
[0032] The above drawings include the following reference numerals:
[0033] 1. Fixed unit; 11. Workbench; 12. Vibration frame; 121. Motor 1; 122. Vibration column; 123. Tooth groove; 124. Annular groove; 125. Sliding rod; 126. Linkage plate; 127. Guide rod; 13. Tilt frame; 131. Rectangular block; 132. Rotating circular plate; 133. Bevel gear 1; 134. Sector groove; 135. Bevel tooth groove; 136. Bevel gear 2; 137. Bevel gear 3; 14. Linkage frame; 141. Sprocket 1; 142. Sprocket 2; 143. Fixed plate; 144. Rectangular block; 132. Rotating circular plate; 133. Bevel gear 1; 134. Sector groove; 135. Bevel tooth groove; 136. Bevel gear 2; 137. Bevel gear 3; 14. Linkage frame; 141. Sprocket 1; 142. Sprocket 2; 143. Fixed plate; 144. shaped groove; 145, cylindrical spring; 146, moving block; 147, sprocket three; 148, toothed chain belt one; 15, clamping frame; 151, fixed circular plate; 152, bidirectional screw; 153, motor two; 16, extrusion block; 161, rubber airbag; 162, contact strip; 163, rubber suction cup; 164, connecting pipe; 165, air pump; 166, ventilation pipe; 2, detection unit; 21, power supply rack; 211, power plug; 212, power supply; 213, timer switch; 214, protective cover; 215, torsion spring. DETAILED DESCRIPTION
[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.
[0035] See also Figure 1 , an LED light source performance detection device, comprising a fixing unit 1 and a detection unit 2, the detection unit 2 is arranged on the fixing unit 1 for detecting the performance of the LED light source; the fixing unit 1 comprises a workbench 11, a vibration frame 12 is arranged on the workbench 11, a tilting frame 13 is arranged on the upper end of the vibration frame 12, a linkage frame 14 is arranged between the tilting frame 13 and the vibration frame 12, a clamping frame 15 is arranged on the upper end of the tilting frame 13, and the clamping frame 15 is symmetrically provided with extrusion blocks 16; the detection unit 2 comprises a power supply frame 21, and the power supply frame 21 is arranged on the clamping frame 15; firstly, a hemispherical LED light source is placed on the clamping frame 15, and the clamping frame 15 drives the extrusion block 16 toward Move toward the hemispherical LED light source and clamp it, then electrically connect the hemispherical LED light source to the power supply frame 21, and then drive the hemispherical LED light source to vibrate through the vibration frame 12. Driven by the linkage frame 14, the tilting frame 13 drives the hemispherical LED light source to rotate, thereby changing the tilt angle of the hemispherical LED light source, so that the hemispherical LED light source vibrates irregularly at different tilt angles, and performs lighting and turning-on operations on the hemispherical LED light source several times, and finally observe whether the hemispherical LED light source has abnormal phenomena such as parts falling off, structural damage, and lighting failure. If so, the performance of the hemispherical LED light source does not meet the standards, otherwise, it meets the standards.
[0036] See also Figure 2 and Figure 3 The vibration frame 12 includes a motor 121, and the motor 121 is fixedly installed on the workbench 11 through a motor seat. The output shaft of the motor 121 is fixedly installed with a vibration column 122 through a coupling. The outer end of the vibration column 122 is provided with a plurality of tooth grooves 123, and the adjacent tooth grooves 123 have different sizes. The vibration column 122 is symmetrically provided with annular grooves 124 in front and back, and the annular grooves 124 are connected with sliding rods 125 in a sliding fit manner. The upper ends of the sliding rods 125 are fixedly installed with a linkage plate 126, and the lower ends of the linkage plate 126 are fixedly installed with a linkage plate 126. A guide rod 127 with a telescopic structure is symmetrically fixedly installed at the front and rear ends, and the end of the guide rod 127 is fixedly connected to the workbench 11; the vibration column 122 is driven to rotate by the motor 121, thereby driving the sliding rod 125 to move in the up and down directions in the annular groove 124. Since the sizes of adjacent tooth grooves 123 are different, the up and down movement displacements of the sliding rod 125 are different, thereby ensuring that the hemispherical LED light source vibrates irregularly, and the tilt frame 13 is positioned by cooperating with the guide rod 127 through the linkage plate 126.
[0037] Continue reading Figure 2 and Figure 3The tilting frame 13 includes a rectangular block 131, a rectangular block 131 is fixedly installed on the upper end of the linkage plate 126, a rotating circular plate 132 is rotatably connected to the front end of the rectangular block 131, a bevel gear 133 is rotatably connected to the rectangular block 131, a fan-shaped groove 134 is provided on the rotating circular plate 132, and bevel tooth grooves 135 meshing with the bevel gear 133 are evenly provided in the fan-shaped groove 134, a bevel gear 2 136 is rotatably connected to the rectangular block 131, and a bevel gear 3 137 meshing with the bevel gear 2 136 is fixedly installed on the lower end of the bevel gear 133; the bevel gear 2 136 is driven to rotate by the linkage frame 14, thereby driving the bevel gear 3 137 to rotate, and the bevel gear 3 137 rotates together with the bevel gear 1 133, and the bevel gear 1 133 drives the rotating circular plate 132 to rotate, thereby changing the inclination angle of the rotating circular plate 132, and driving the hemispherical LED light source to rotate.
[0038] See also Figure 6 and Figure 7 The linkage frame 14 includes a sprocket 141, a sprocket 141 is fixedly installed at the rear end of the bevel gear 136, a sprocket 142 is fixedly installed at the rear end of the vibration column 122, a fixed plate 143 is fixedly installed on the workbench 11, a rectangular groove 144 is opened at the rear end of the fixed plate 143, a cylindrical spring 145 is fixedly installed symmetrically in the rectangular groove 144, and a moving block 146 is fixedly installed at the end of the cylindrical spring 145, and the moving block 146 is connected to the rectangular groove 144 in a sliding fit manner, and the rear end of the moving block 146 is rotatably connected to the sprocket 3 147, and the sprocket 141, the sprocket 2 142 and the sprocket 3 14 7 are connected by a toothed chain belt 148; the sprocket two 142 is driven to rotate by the vibration column 122, and with the cooperation of the toothed chain belt 148, the sprocket one 141, the sprocket two 142 and the sprocket three 147, the sprocket one 141 and the bevel gear two 136 rotate synchronously, thereby driving the bevel gear three 137 to rotate, and when the linkage plate 126 moves up and down with the sliding rod 125, the distance between the sprocket three 147 and the sprocket one 141 on the moving block 146 and the distance between the sprocket three 147 and the sprocket two 142 is guaranteed by the cylindrical spring 145, ensuring that the toothed chain belt 148 is in a tensioned state, ensuring the normal operation of the toothed chain belt 148.
[0039] See also Figure 4 The clamping frame 15 includes a fixed circular plate 151, a fixed circular plate 151 is fixedly installed on the upper end of the rotating circular plate 132, a bidirectional screw 152 is rotatably connected to the middle of the fixed circular plate 151, a motor 153 is fixedly installed on the fixed circular plate 151 through a motor seat, the output shaft of the motor 153 is fixedly connected to the bidirectional screw 152 through a coupling, the bidirectional screw 152 is symmetrically connected to the extrusion block 16 in a threaded connection, and the extrusion block 16 is connected to the rotating circular plate 132 in a sliding fit; the bidirectional screw 152 is driven to rotate by the motor 153, thereby driving the extrusion block 16 to move toward each other.
[0040] See also Figure 5 The opposite ends of the extrusion block 16 are fixedly installed with rubber airbags 161, and the rubber airbags 161 are in an unfilled state. The opposite ends of the rubber airbags 161 are fixedly installed with a plurality of contact strips 162, and the plurality of contact strips 162 are evenly arranged. Adjacent contact strips 162 are hinged by pins. One end of the contact strip 162 away from the rubber airbag 161 is evenly fixedly installed with a rubber suction cup 163. The rubber suction cups 163 on the same contact strip 162 are connected to each other, and the rubber suction cups 163 on adjacent contact strips 162 are connected by a connecting pipe 1 64 are connected, and an air pump 165 is fixedly installed on the upper end of the extrusion block 16, and the air pump 165 is fixedly connected to the adjacent connecting pipe 164 through the ventilation pipe 166; the rubber airbag 161 is tightly attached to the hemispherical LED light source base, and the rubber airbag 161 is in contact with the hemispherical LED light source base, and the air between the rubber airbag 161 and the hemispherical LED light source base is discharged through the air pump 165, so that the rubber airbag 161 and the hemispherical LED light source base are attracted to each other, so as to achieve the purpose of fixing the hemispherical LED light source base.
[0041] See also Figure 2 The power supply rack 21 includes a power plug 211. The power plug 211 is symmetrically fixedly installed at the front and rear ends of the arc-shaped outer ends of the fixed circular plate 151. A power supply 212 is fixedly installed in the middle of the fixed circular plate 151. The positive and negative poles of the power supply 212 are electrically connected to the adjacent power plugs 211 respectively. A timer switch 213 is fixedly connected between the negative pole of the power supply 212 and the power plug 211. A protective cover 214 is rotatably connected to the arc-shaped outer end of the fixed circular plate 151 and is located on one side of the power plug 211 through a pin shaft. A torsion spring 215 is sleeved on the pin shaft. One end of the torsion spring 215 is fixedly connected to the protective cover 214, and the other end of the torsion spring 215 is fixedly connected to the fixed circular plate 151. The lighting and extinguishing of the hemispherical LED light source are controlled by the timer switch 213. The power plug 211 is protected by the protective cover 214 to prevent external dust from entering when not in use, thereby affecting the normal electrical connection between the subsequent hemispherical LED light source and the power plug 211.
[0042] See also Figure 8 The present invention also uses a method for detecting the performance of an LED light source, comprising the following steps:
[0043] S1. Clamping and fixing: firstly, the hemispherical LED light source is placed on the clamping frame 15, and the clamping frame 15 drives the squeezing block 16 to move toward the hemispherical LED light source and clamp it and fix it.
[0044] S2, electrical connection and vibration: the hemispherical LED light source is then electrically connected to the power supply frame 21, and then the hemispherical LED light source is driven to vibrate through the vibration frame 12.
[0045] S3, tilt vibration: driven by the linkage frame 14, the tilt frame 13 drives the hemispherical LED light source to rotate, thereby changing the tilt angle of the hemispherical LED light source, so that the hemispherical LED light source vibrates irregularly at different tilt angles.
[0046] S4. Observation test: The hemispherical LED light source is subjected to irregular vibration at different tilt angles and the lighting of the hemispherical LED light source is turned on and off several times. Finally, the hemispherical LED light source is observed to see if there are any abnormal phenomena such as parts falling off, structural damage, and lighting failure. If so, the performance of the hemispherical LED light source does not meet the standards, otherwise, it meets the standards.
[0047] In the description of the present invention, it is necessary to understand that the terms "center", "middle", "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "end", "axial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0048] In addition, the terms "first", "second", "number one", "number two", "one", "two" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the description of the present invention, "multiple" means at least two, such as two, three, etc., unless otherwise clearly and specifically limited.
[0049] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connect", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a sliding connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0050] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, all equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A LED light source performance testing device, characterized in that , comprising a fixing unit (1) and a detection unit (2), wherein the detection unit (2) is arranged on the fixing unit (1) and is used to detect the performance of the LED light source; The fixing unit (1) comprises a workbench (11), a vibration frame (12) is arranged on the workbench (11), a tilting frame (13) is arranged at the upper end of the vibration frame (12), a linkage frame (14) is arranged between the tilting frame (13) and the vibration frame (12), a clamping frame (15) is arranged at the upper end of the tilting frame (13), and extrusion blocks (16) are symmetrically arranged on the clamping frame (15); The detection unit (2) comprises a power supply rack (21), and the power supply rack (21) is arranged on the clamping rack (15); The vibration frame (12) comprises a motor (121), the motor (121) is fixedly mounted on the workbench (11) via a motor seat, a vibration column (122) is fixedly mounted on the output shaft of the motor (121) via a coupling, a plurality of tooth grooves (123) are provided at the outer end of the vibration column (122), and adjacent tooth grooves (123) have different sizes, an annular groove (124) is symmetrically provided on the vibration column (122), and sliding rods (125) are connected in a sliding manner in the annular grooves (124), the upper ends of the sliding rods (125) are fixedly mounted with linkage plates (126), and the lower ends of the linkage plates (126) are symmetrically fixedly mounted with guide rods (127) of a telescopic structure, and the ends of the guide rods (127) are fixedly connected to the workbench (11); The tilting frame (13) comprises a rectangular block (131), the upper end of the linkage plate (126) is fixedly mounted with the rectangular block (131), the front end of the rectangular block (131) is rotatably connected to a rotating circular plate (132), the rectangular block (131) is rotatably connected to a bevel gear 1 (133), the rotating circular plate (132) is provided with a fan-shaped groove (134), the fan-shaped groove (134) is evenly provided with bevel tooth grooves (135) meshing with the bevel gear 1 (133), the rectangular block (131) is rotatably connected to a bevel gear 2 (136), and the lower end of the bevel gear 1 (133) is fixedly mounted with a bevel gear 3 (137) meshing with the bevel gear 2 (136); The linkage frame (14) comprises a sprocket wheel 1 (141), a sprocket wheel 1 (141) is fixedly mounted on the rear end of the bevel gear 2 (136), a sprocket wheel 2 (142) is fixedly mounted on the rear end of the vibration column (122), a fixed plate (143) is fixedly mounted on the workbench (11), a rectangular groove (144) is provided at the rear end of the fixed plate (143), a cylindrical spring (145) is fixedly mounted in the rectangular groove (144) symmetrically from top to bottom, a moving block (146) is fixedly mounted at the end of the cylindrical spring (145), the moving block (146) and the rectangular groove (144) are connected in a sliding manner, the rear end of the moving block (146) is rotatably connected to a sprocket wheel 3 (147), and the sprocket wheel 1 (141), the sprocket wheel 2 (142) and the sprocket wheel 3 (147) are connected in a transmission manner via a toothed chain belt 1 (148).
2. The LED light source performance testing device according to claim 1, characterized in that: The clamping frame (15) comprises a fixed circular plate (151), the upper end of the rotating circular plate (132) is fixedly mounted with the fixed circular plate (151), the middle part of the fixed circular plate (151) is rotatably connected with a bidirectional screw rod (152), a second motor (153) is fixedly mounted on the fixed circular plate (151) via a motor seat, an output shaft of the second motor (153) is fixedly connected to the bidirectional screw rod (152) via a coupling, the bidirectional screw rod (152) is symmetrically connected to an extrusion block (16) in a threaded connection manner, and the extrusion block (16) and the rotating circular plate (132) are connected in a sliding fit manner.
3. The LED light source performance testing device according to claim 1, characterized in that: The opposite ends of the extrusion block (16) are fixedly mounted with rubber airbags (161), the rubber airbags (161) are in an unfilled state, the opposite ends of the rubber airbags (161) are fixedly mounted with a plurality of contact strips (162), the plurality of contact strips (162) are evenly arranged, adjacent contact strips (162) are hinged via a pin, a rubber suction cup (163) is evenly fixedly mounted on one end of the contact strip (162) away from the rubber airbag (161), the rubber suction cups (163) on the same contact strip (162) are connected to each other, and the rubber suction cups (163) on adjacent contact strips (162) are connected to each other via a connecting pipe (164), and an air pump (165) is fixedly mounted on the upper end of the extrusion block (16), and the air pump (165) is fixedly connected to the adjacent connecting pipe (164) via a vent pipe (166).
4. The LED light source performance testing device according to claim 2, characterized in that: The power supply rack (21) comprises a power plug (211), the power plug (211) is fixedly mounted on the arc-shaped outer end of the fixed circular plate (151) symmetrically in front and back, a power supply (212) is fixedly mounted in the middle of the fixed circular plate (151), the positive and negative poles of the power supply (212) are respectively electrically connected to the adjacent power plugs (211), a timer switch (213) is fixedly connected between the negative pole of the power supply (212) and the power plug (211), a protective cover (214) is rotatably connected to the arc-shaped outer end of the fixed circular plate (151) and located on one side of the power plug (211) via a pin shaft, a torsion spring (215) is sleeved on the pin shaft, one end of the torsion spring (215) is fixedly connected to the protective cover (214), and the other end of the torsion spring (215) is fixedly connected to the fixed circular plate (151).
5. The LED light source performance testing device according to claim 1, characterized in that: The method for detecting the performance of an LED light source using the above-mentioned LED light source performance detection device comprises the following steps: S1. Clamping and fixing: firstly, the hemispherical LED light source is placed on the clamping frame (15), and the clamping frame (15) drives the extrusion block (16) to move toward the hemispherical LED light source, and clamps and fixes it; S2, electrical connection and vibration: then electrically connecting the hemispherical LED light source to the power supply frame (21), and then driving the hemispherical LED light source to vibrate through the vibration frame (12); S3, tilt vibration: driven by the linkage frame (14), the tilt frame (13) drives the hemispherical LED light source to rotate, thereby changing the tilt angle of the hemispherical LED light source, so that the hemispherical LED light source vibrates irregularly at different tilt angles; S4. Observation test: The hemispherical LED light source is subjected to irregular vibration at different tilt angles and the lighting of the hemispherical LED light source is turned on and off several times. Finally, the hemispherical LED light source is observed to see if there are any abnormal phenomena such as parts falling off, structural damage, and lighting failure. If so, the performance of the hemispherical LED light source does not meet the standards, otherwise, it meets the standards.
Citation Information
Patent Citations
Device and method for detecting conductivity of laser power supply
CN117347901A
Backlight vibration testing device
CN220893732U