A kind of LED light bar plug-in test tool

Abstract

The present invention belongs to the technical field of LED light bar production, and discloses a plug-in test tool for LED light bar, including a bottom plate, a driving component, a third disc and a plug-in interface, and also includes: a clutch component, an extrusion component, a coil and a conductive slip ring, metal rings are symmetrically installed at both ends of the coil, a sliding plate is slidably abutted on the upper end surface of the coil, a metal rod is fixedly installed on the outer wall of the sliding plate, a first connecting wire is installed on the side of the metal rod away from the conductive slip ring, a second connecting wire and a third connecting wire are respectively installed on the outer wall of the conductive slip ring, and the third connecting wire is connected to the metal ring away from the side of the first connecting wire; the extrusion component extrudes the metal rod to move in a first direction, and the metal rod drives the sliding plate to move on the coil to change the resistance, thereby changing the output voltage of the conductive slip ring through the third connecting wire; when the extrusion component extrudes the metal rod to move in a second direction, the clutch component drives the sliding plate away from the coil through the metal rod. The present invention solves the problem that the existing device cannot be tested under voltage fluctuations.

Description

Technical Field

[0001] The invention relates to the technical field of LED light bar production, in particular to an LED light bar plug-in test tool. Background Art

[0002] LED light strips are widely used in camping, hiking, power outages and other scenes due to their advantages of low energy consumption, long life and high brightness, providing convenient lighting solutions. In particular, LED light strips with USB interfaces are widely favored due to their convenience, which can be powered by mobile power, car USB sockets and laptops. During the production process, strict testing is required to ensure the normal operation and performance consistency of LED light strips.

[0003] The Chinese patent disclosed an "LED light bar plug-in test fixture" with application number 201810265529.4, which includes a rotating shaft and a light bar mounting column. The light bar mounting column is arranged at the front end of the rotating shaft, and a plurality of square grooves are axially arranged on its outer circle. Limiting strips are convexly arranged on the two side walls of the square groove, and chamfered slopes are arranged at the front end of the two side walls of the square groove. A limiting plate is provided at the rear end of the light bar mounting column to block the square groove, and a plug located in the square groove is provided on the front of the limiting plate. With the cooperation of the manipulator, this device can replace manual lighting test of LED light bars.

[0004] However, the device has certain limitations in actual use. When used outdoors or in an environment with unstable power supply, the external power supply voltage may fluctuate, which will affect the normal operation of the LED light strip. Existing devices cannot perform accurate performance tests under voltage fluctuations, which may lead to inaccurate test results. Summary of the invention

[0005] The purpose of the present invention is to provide a LED light bar plug-in test tool, which solves the problem that the existing device cannot be tested under the condition of voltage fluctuation.

[0006] To achieve the above object, the present invention provides the following technical solution: an LED light bar plug-in test fixture, comprising a bottom plate, a driving assembly located on the bottom plate, and a third disc located at the end of the driving assembly, wherein the outer wall of the third disc is provided with a plurality of plug-in interfaces, and further comprising:

[0007] The regulating component comprises a clutch component, an extrusion component, a coil and a conductive slip ring, wherein metal rings are symmetrically installed at both ends of the coil, a sliding plate is slidably abutted against the upper end surface of the coil, a metal rod is fixedly installed on the outer wall of the sliding plate, a first connecting wire is installed on the side of the metal rod away from the conductive slip ring, a second connecting wire and a third connecting wire are respectively installed on the outer wall of the conductive slip ring, and the third connecting wire is connected to the metal ring away from the side of the first connecting wire; when the driving component moves, the extrusion component will squeeze the metal rod to move in the first direction, and the metal rod drives the sliding plate to move on the coil to change the resistance, thereby changing the output voltage of the conductive slip ring through the third connecting wire; when the extrusion component squeezes the metal rod to move in the second direction, the clutch component drives the sliding plate away from the coil through the metal rod;

[0008] An extrusion assembly comprises a first disc and a second disc, wherein the first disc and the second disc are respectively provided with a first protrusion and a second protrusion on opposite surfaces thereof, and the first protrusion and the second protrusion are arranged alternately, and the outer walls of the first protrusion and the second protrusion respectively have a third inclined surface and a first inclined surface;

[0009] The clutch assembly comprises a cam symmetrically abutting against the lower end surface of the metal rod, wherein the outer wall of the cam has a second inclined surface and a fourth inclined surface.

[0010] Preferably, the driving assembly comprises a fixed block, the lower end surface of the fixed block is mounted on the bottom plate, the upper end surface of the fixed block is mounted with a servo motor, and the output shaft of the servo motor is mounted with a first round rod.

[0011] Preferably, a porcelain cylinder is installed on the inner wall of the coil, the inner wall of the porcelain cylinder is rotatably installed on the first round rod, and the outer walls at both ends of the porcelain cylinder are fixedly connected to the metal ring.

[0012] Preferably, a support plate is symmetrically installed on the upper end surface of the bottom plate, the outer wall of the support plate is fixedly connected to the porcelain cylinder, a slide groove is opened on the outer wall of the support plate, and the inner wall of the slide groove is slidably connected to the metal rod.

[0013] Preferably, the cam is fixedly mounted on the outer wall of the first round rod.

[0014] Preferably, the conductive slip ring is rotatably mounted on the outer wall of the first round rod.

[0015] Preferably, a shield is installed on the upper end surface of the support plate, a spring telescopic rod is symmetrically installed on the lower end surface of the shield, a support frame is installed on the lower end surface of the spring telescopic rod, a second round rod is rotatably installed on the lower end surface of the support frame, and the second round rod is made of insulating material.

[0016] Preferably, the third disc is rotatably mounted on the first round rod, the lower end surface of the third disc is mounted on the bottom plate, and the third disc is fixedly connected to the conductive slip ring.

[0017] Preferably, the diameter of the first bump is larger than that of the second bump.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention is provided with an extrusion assembly. When the first inclined surface on the second protrusion squeezes the metal rod, the metal rod drives the slide to move on the coil toward the side close to the servo motor. Since the initial voltage is greater than the rated voltage, as the resistance increases, the voltage output from the conductive slip ring gradually decreases. When the slide is located in the middle of the coil, the output voltage of the conductive slip ring is the rated voltage. As the slide continues to move, the output voltage of the conductive slip ring will be less than the rated voltage. When the servo motor rotates 180 degrees, the slide moves to the other side of the coil. At this time, the LED light bar completes the test under voltage fluctuation;

[0020] 2. The present invention is provided with a clutch assembly. When the second inclined surface on the cam squeezes the metal rod, the metal rod drives the slide to move upward in the slide groove. At this time, the slide is away from the coil, and the metal rod is flush with the first protrusion. As the first round rod rotates, the third inclined surface on the first protrusion squeezes the metal rod. At this time, the metal rod drives the slide to move toward the side close to the plug interface. When the servo motor rotates 180 degrees, the slide returns to the initial position, which can reduce the error caused by wear. At this time, the spring telescopic rod extends downward, driving the second round rod to squeeze the metal rod downward, so that the slide on the metal rod remains in contact with the coil. In this process, since the slide is away from the coil, the conductive slip ring is not energized, and the manipulator can complete the switching between the tested LED light strip and the new LED light strip, which helps to avoid electrical shock and equipment damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is another perspective schematic diagram of the present invention;

[0023] Figure 3 It is a cross-sectional view of the present invention;

[0024] Figure 4 for Figure 3 The enlarged schematic diagram of point A in the middle;

[0025] Figure 5 This is a schematic diagram of the present invention without the protective cover.

[0026] In the figure: 1, bottom plate; 2, servo motor; 3, first disc; 4, first convex block; 5, support plate; 6, first connecting line; 7, shield; 8, first inclined plane; 9, second disc; 10, conductive slip ring; 11, second connecting line; 12, third disc; 13, second convex block; 14, third connecting line; 15, cam; 16, fixed block; 17, slide groove; 18, metal rod; 19, plug interface; 20, second inclined plane; 21, third inclined plane; 22, first round rod; 23, spring telescopic rod; 24, support frame; 25, second round rod; 26, metal ring; 27, coil; 28, porcelain cylinder; 29, slide; 30, fourth inclined plane. DETAILED DESCRIPTION

[0027] See also Figures 1 to 5 The present invention provides a technical solution: a LED light bar plug-in test fixture, comprising a bottom plate 1, a driving assembly located on the bottom plate 1, and a third disc 12 located at the end of the driving assembly, wherein the outer wall of the third disc 12 is provided with a plurality of plug-in ports 19, and further comprising:

[0028] The regulating component comprises a clutch component, an extrusion component, a coil 27 and a conductive slip ring 10, wherein metal rings 26 are symmetrically installed at both ends of the coil 27, a slide plate 29 is slidably abutted against the upper end surface of the coil 27, a metal rod 18 is fixedly installed on the outer wall of the slide plate 29, a first connecting wire 6 is installed on the side of the metal rod 18 away from the conductive slip ring 10, a second connecting wire 11 and a third connecting wire 14 are respectively installed on the outer wall of the conductive slip ring 10, and the third connecting wire 14 is connected to the metal ring 26 away from the side of the first connecting wire 6; when the driving component moves, the extrusion component will squeeze the metal rod 18 to move in the first direction, and the metal rod 18 drives the slide plate 29 to move on the coil 27 to change the resistance, thereby changing the output voltage of the conductive slip ring 10 through the third connecting wire 14; when the extrusion component squeezes the metal rod 18 to move in the second direction, the clutch component drives the slide plate 29 away from the coil 27 through the metal rod 18;

[0029] An extrusion assembly includes a first disc 3 and a second disc 9, wherein the first disc 3 and the second disc 9 are respectively provided with a first protrusion 4 and a second protrusion 13 on opposite surfaces thereof, and the first protrusion 4 and the second protrusion 13 are alternately arranged, and the outer walls of the first protrusion 4 and the second protrusion 13 are respectively provided with a third inclined surface 21 and a first inclined surface 8;

[0030] The clutch assembly comprises a cam 15 symmetrically abutting against the lower end surface of the metal rod 18, wherein the outer wall of the cam 15 has a second inclined surface 20 and a fourth inclined surface 30;

[0031] Further, such as Figure 1As shown, the driving assembly includes a fixed block 16, the lower end surface of the fixed block 16 is mounted on the bottom plate 1, the upper end surface of the fixed block 16 is mounted with a servo motor 2, and the output shaft of the servo motor 2 is mounted with a first round rod 22;

[0032] The servo motor 2 rotates to drive the first round rod 22 to rotate;

[0033] Further, such as Figure 5 As shown, a porcelain cylinder 28 is installed on the inner wall of the coil 27, and the inner wall of the porcelain cylinder 28 is rotatably installed on the first round rod 22, and the outer walls of both ends of the porcelain cylinder 28 are fixedly connected to the metal ring 26;

[0034] When the first round rod 22 rotates in the porcelain tube 28 and the coil 27, the porcelain tube 28 is insulated, and the metal ring 26 is connected with the coil 27 for conduction;

[0035] Further, such as Figure 2 As shown, a support plate 5 is symmetrically mounted on the upper end surface of the bottom plate 1, the outer wall of the support plate 5 is fixedly connected to the porcelain cylinder 28, a slide groove 17 is provided on the outer wall of the support plate 5, and the inner wall of the slide groove 17 is slidably connected to the metal rod 18;

[0036] The metal rod 18 slides up and down in the slide groove 17;

[0037] Further, such as Figure 1 As shown, the cam 15 is fixedly mounted on the outer wall of the first round rod 22;

[0038] The first round rod 22 drives the cam 15 to rotate;

[0039] Further, such as Figure 1 As shown, the conductive slip ring 10 is rotatably mounted on the outer wall of the first round rod 22;

[0040] Prevent the third connecting line 14 from being entangled and broken;

[0041] Further, such as Figure 2 and Figure 5 As shown, a shield 7 is installed on the upper end surface of the support plate 5, a spring telescopic rod 23 is symmetrically installed on the lower end surface of the shield 7, a support frame 24 is installed on the lower end surface of the spring telescopic rod 23, and a second round rod 25 is rotatably installed on the lower end surface of the support frame 24, and the second round rod 25 is made of insulating material;

[0042] The spring telescopic rod 23 drives the second round rod 25 to press the metal rod 18 downward through the support frame 24, so that the slide 29 on the metal rod 18 always contacts the coil 27 to prevent separation and power failure;

[0043] Further, such as Figure 2As shown, the third disc 12 is rotatably mounted on the first round rod 22, the lower end surface of the third disc 12 is mounted on the bottom plate 1, and the third disc 12 is fixedly connected to the conductive slip ring 10;

[0044] Further, such as Figure 5 As shown, the diameter of the first bump 4 is larger than that of the second bump 13;

[0045] When the fourth inclined surface 30 abuts against the metal rod 18 , the metal rod 18 is flush with the second protrusion 13 . When the second inclined surface 20 abuts against the metal rod 18 , the metal rod 18 is flush with the first protrusion 4 .

[0046] Working principle: Step 1: After connecting the external power supply and the controller through the first connecting line 6 and the second connecting line 11, the first connecting line 6 is connected to the conductive slip ring 10 through the metal rod 18, the slide 29, the coil 27, the metal ring 26 and the third connecting line 14, and the conductive slip ring 10 supplies power to the plug interface 19, and then the LED light bar is evenly inserted into the plug interface 19 of the third disk 12 through the manipulator. At this time, the servo motor 2 is controlled to rotate clockwise (from the perspective of the servo motor 2 looking at the third disk 12), and the servo motor 2 drives the first round rod 22 to rotate. At this time, the first round rod 22 drives the first disk 3, the second disk 9 and the cam 15 to rotate, and the first disk 3 and the second disk 9 respectively drive the first protrusion 4 and the second protrusion 13 to rotate. Due to the first protrusion 4 and The second protrusions 13 are staggered, so the first inclined surface 8 on the second protrusion 13 will squeeze the metal rod 18, and the metal rod 18 drives the slide 29 to move on the coil 27 to the side close to the servo motor 2. At this time, the fourth inclined surface 30 on the cam 15 abuts against the metal rod 18, so the metal rod 18 will not rise. Since the initial voltage is greater than the rated voltage, as the resistance increases, the voltage output from the conductive slip ring 10 gradually decreases. When the slide 29 is located in the middle of the coil 27, the output voltage of the conductive slip ring 10 is the rated voltage. As the slide 29 continues to move, the output voltage of the conductive slip ring 10 will be less than the rated voltage. When the servo motor 2 rotates 180 degrees, the slide 29 moves to the other side of the coil 27. At this time, the LED light bar completes the test under voltage fluctuation;

[0047] Step 2: When the metal rod 18 moves toward the side close to the servo motor 2, the second round rod 25 will press the metal rod 18 downward under the action of the spring telescopic rod 23, so that the slide 29 on the metal rod 18 always keeps in contact with the coil 27 to prevent separation;

[0048] Step 3: After the test is completed, the servo motor 2 rotates again, driving the first round rod 22 to rotate, and the first round rod 22 drives the first disc 3, the second disc 9 and the cam 15 to rotate. At this time, the second inclined surface 20 on the cam 15 will first squeeze the metal rod 18, and the metal rod 18 drives the slide 29 to move upward in the slide groove 17. At this time, the slide 29 is away from the coil 27, and the metal rod 18 is flush with the first protrusion 4. With the rotation of the first round rod 22, the third inclined surface 21 on the first protrusion 4 will squeeze the metal rod 18. At this time, the metal rod 18 drives the slide 29 to move to the side close to the plug interface 19 to reduce wear. When the servo motor 2 rotates 180 degrees, the third inclined surface 21 on the first protrusion 4 no longer squeezes the metal bar 18, and the second inclined surface 20 on the cam 15 no longer squeezes the metal bar 18. At this time, the spring telescopic rod 23 extends downward, and drives the second round rod 25 to squeeze the metal bar 18 downward again, so that the slide 29 on the metal bar 18 keeps contact with the coil 27; in this process, since the slide 29 is away from the coil 27, the conductive slip ring 10 is not energized, and the manipulator can complete the switch between the tested LED light bar and the new LED light bar, which helps to avoid electrical shock and equipment damage.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A LED light bar plug-in test fixture, comprising a base plate (1), a driving assembly located on the base plate (1), and a third disc (12) located at the end of the driving assembly, wherein the outer wall of the third disc (12) is provided with a plurality of plug-in interfaces (19), characterized in that: Also includes: The driving assembly comprises a fixed block (16), the lower end surface of the fixed block (16) is mounted on the bottom plate (1), the upper end surface of the fixed block (16) is mounted with a servo motor (2), and the output shaft of the servo motor (2) is mounted with a first round rod (22); A support plate (5) is symmetrically mounted on the upper end surface of the bottom plate (1), the outer wall of the support plate (5) is fixedly connected to the porcelain cylinder (28), a slide groove (17) is provided on the outer wall of the support plate (5), and the inner wall of the slide groove (17) is slidably connected to the metal rod (18); An adjustment component comprises a clutch component, an extrusion component, a coil (27) and a conductive slip ring (10), wherein metal rings (26) are symmetrically mounted at both ends of the coil (27), a sliding plate (29) is slidably abutted against the upper end surface of the coil (27), a metal rod (18) is fixedly mounted on the outer wall of the sliding plate (29), a first connecting wire (6) is mounted on the side of the metal rod (18) away from the conductive slip ring (10), a second connecting wire (11) and a third connecting wire (14) are respectively mounted on the outer wall of the conductive slip ring (10), and the third connecting wire (14) is fixedly mounted on the outer wall of the conductive slip ring (10). The connecting wire (14) is connected to the metal ring (26) on the side away from the first connecting wire (6); when the driving component moves, the extrusion component will squeeze the metal rod (18) to move in a first direction, and the metal rod (18) drives the sliding plate (29) to move on the coil (27) to change the resistance, thereby changing the output voltage of the conductive slip ring (10) through the third connecting wire (14); when the extrusion component squeezes the metal rod (18) to move in a second direction, the clutch component drives the sliding plate (29) away from the coil (27) through the metal rod (18); A porcelain cylinder (28) is installed on the inner wall of the coil (27), the inner wall of the porcelain cylinder (28) is rotatably mounted on the first round rod (22), and the outer walls at both ends of the porcelain cylinder (28) are fixedly connected to the metal ring (26); An extrusion assembly comprises a first disc (3) and a second disc (9) fixedly mounted on the outer wall of a first round rod (22); a first protrusion (4) and a second protrusion (13) are respectively mounted on opposite surfaces of the first disc (3) and the second disc (9); the first protrusion (4) and the second protrusion (13) are arranged alternately; the outer walls of the first protrusion (4) and the second protrusion (13) respectively have a third inclined surface (21) and a first inclined surface (8); the diameter of the first protrusion (4) is larger than that of the second protrusion (13); The clutch assembly comprises a cam (15) symmetrically abutting against the lower end surface of a metal rod (18), the outer wall of the cam (15) having a second inclined surface (20) and a fourth inclined surface (30), and the cam (15) is fixedly mounted on the outer wall of a first round rod (22); The third disc (12) is rotatably mounted on the first round rod (22), the lower end surface of the third disc (12) is mounted on the bottom plate (1), and the third disc (12) is fixedly connected to the conductive slip ring (10).

2. The LED light bar plug-in test fixture according to claim 1, characterized in that: The upper end surface of the support plate (5) is mounted with a shield (7), the lower end surface of the shield (7) is symmetrically mounted with a spring telescopic rod (23), the lower end surface of the spring telescopic rod (23) is mounted with a support frame (24), the lower end surface of the support frame (24) is rotatably mounted with a second round rod (25), and the second round rod (25) is made of insulating material.

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