Device for testing current and voltage data of LCM (Liquid Crystal Module)

Abstract

The utility model relates to the technical field of current and voltage data testing, and provides an LCM module current and voltage data testing device which comprises a bottom plate and a support fixed at the top of the bottom plate, and the front side of the bottom plate is transversely and fixedly connected with three display screens at equal intervals. The top of the bottom plate is provided with three test pens electrically connected with the three display screens respectively, the top of the support is provided with a test assembly, the top of the bottom plate is symmetrically provided with two storage plates, and the left side of the bottom plate is provided with a connecting assembly. According to the utility model, the test assembly is designed to cooperate with the connection assembly, the three test pens can be contacted with the surface of the LCM at the same time for detection through the test assembly, after detection, if the currents are displayed on the three display screens to be the same, the LCM is in accordance with the gauge, otherwise, the LCM is not in accordance with the gauge, and the detection efficiency is further improved; and meanwhile, the LCM needing to be detected can be positioned between the object placing plates through the arrangement of the connecting assembly, so that the displacement condition of the LCM during detection is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of current and voltage data testing, and specifically to a current and voltage data testing device for an LCM module. Background Art

[0002] The LCM module current and voltage data test device is a device used to test the current and voltage data in the LCM (Liquid Crystal Module). Through this device, the performance of the liquid crystal module under different current and voltage conditions can be tested and evaluated to ensure its normal operation and stability.

[0003] After searching, the utility model patent with publication number CN216772781 U discloses a LCM module current and voltage data test device, including a base, a fixed block is fixedly installed on the base, a movable block whose position can be adjusted is arranged on the base, a positive connection block and a negative connection block are respectively fixedly installed on a side wall where the fixed block and the movable block are close to each other, the positive connection block and the negative connection block are connected to an external power supply, a driving device capable of driving the movable block to adjust the position is arranged on the base, a slidable movable plate is arranged on the fixed block, and three detection devices are arranged on the movable plate;

[0004] However, in the implementation of relevant technologies, the following problems are found: the existing LCM module current and voltage data testing device places the LCM to be tested between the fixed block and the movable block by pushing the test pen upwards, aligns the positive and negative poles of the LCM with the positive connecting block and the negative connecting block on the fixed block and the movable block, and then rotates the threaded column so that the threaded column pushes the movable block to move to the side close to the fixed block, and the positive connecting block and the negative connecting block between the two are stuck, and then the power supply is connected. The power supply passes through the positive connecting block, the negative connecting block and the LCM module, and the current of the LCM is tested by the detection device. However, before and after the test pen detects the LCM, the test pen needs to be pushed or released respectively, which is not conducive to improving the detection efficiency. Therefore, a LCM module current and voltage data testing device is needed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a LCM module current and voltage data testing device.

[0006] The technical solution of the utility model is as follows: an LCM module current and voltage data testing device, comprising a base plate and a bracket fixed on the top of the base plate, three display screens being fixedly connected to the front side of the base plate at equal intervals in the horizontal direction, three test pens being provided on the top of the base plate and being electrically connected to the three display screens respectively, a test assembly being provided on the top of the bracket, two storage plates being symmetrically provided on the top of the base plate, and a connecting assembly being provided on the left side of the base plate.

[0007] Preferably, the connecting assembly includes a left-turning plate, the inner wall of which is fixedly connected to a worm, the inner wall of the base plate is provided with a mounting groove, the worm is meshed with a worm wheel, the inner wall of the worm wheel is fixedly connected to a rotating rod, and the top of the rotating rod is fixedly connected to a cross plate.

[0008] Preferably, the tops of both ends of the horizontal plate are fixedly connected with driving blocks, the outer wall of the driving block is sleeved with a displacement plate, the bottom of the displacement plate is fixedly connected with a slider, the top of the bottom plate is provided with a sliding groove for the slider to slide, and the storage plate is fixed on the top of the displacement plate.

[0009] Preferably, the test assembly comprises a top rotating plate, an inner wall of the top rotating plate is fixedly connected to a screw rod, and an outer wall of the screw rod is threadedly connected to a threaded barrel.

[0010] Preferably, the bottom end of the threaded barrel is fixedly connected to a mounting plate, the inner wall of the bracket is provided with a limiting groove for the end surface of the mounting plate to slide, and the three test pens are laterally equidistantly fixed to the bottom of the mounting plate.

[0011] Preferably, two positioning plates are symmetrically provided on the inner wall of the storage plate, and the back sides of the two positioning plates are fixedly connected with springs, and one end of the spring away from the positioning plate is fixedly connected to the inner wall of the storage plate.

[0012] Preferably, a loss reduction layer is fixedly connected to opposite sides of the two positioning plates, so as to reduce the pressure when the two positioning plates clamp the LCM.

[0013] The working principle and beneficial effects of the utility model are:

[0014] The utility model designs a test component in conjunction with a connection component, and through the test component, three test pens can be simultaneously in contact with the surface of the LCM for detection. After the detection, if the current is displayed identically on the three display screens, it indicates that the LCM meets the specification, otherwise the LCM does not meet the specification, thereby further increasing the detection efficiency. At the same time, through the setting of the connection component, the LCM to be detected can be positioned between the storage plates, thereby avoiding displacement of the LCM during detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure proposed by the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram proposed by the utility model;

[0018] Figure 3 The utility model proposed Figure 2 Schematic diagram of the structure viewed from above;

[0019] Figure 4 This is a schematic diagram of the storage plate structure proposed by the utility model.

[0020] In the figure: 1. bottom plate; 2. bracket; 3. display screen; 4. test pen; 5. storage plate; 6. positioning plate; 7. spring; 8. connecting assembly; 81. left turn plate; 82. worm; 83. worm wheel; 84. rotating rod; 85. cross plate; 86. driving block; 87. displacement plate; 9. test assembly; 91. rotating plate; 92. screw; 93. threaded barrel; 94. mounting plate. DETAILED DESCRIPTION

[0021] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 The utility model provides a technical solution for a current and voltage data test device of an LCM module: a current and voltage data test device of an LCM module, comprising a bottom plate 1 and a bracket 2 fixed on the top of the bottom plate 1, three display screens 3 are fixedly connected to the front side of the bottom plate 1 at equal intervals in the horizontal direction, and three test pens 4 are provided on the top of the bottom plate 1 and are electrically connected to the three display screens 3 respectively;

[0023] Furthermore, a test assembly 9 is provided on the top of the bracket 2. The test assembly 9 includes a top rotating plate 91. A screw 92 is fixedly connected to the inner wall of the top rotating plate 91. A threaded barrel 93 is threadedly connected to the outer wall of the screw 92. A mounting plate 94 is fixedly connected to the bottom end of the threaded barrel 93. A limit groove is provided on the inner wall of the bracket 2 for the end surface of the mounting plate 94 to slide. Three test pens 4 are fixed at the bottom of the mounting plate 94 at equal distances in the horizontal direction. The top rotating plate 91 is rotated to rotate the screw 92, so that the threaded barrel 93 moves down on the outer wall thread of the screw 92, thereby causing the mounting plate 94 to drive the three test pens 4 to move down and contact the LCM surface for detection. After the detection, if the current is displayed the same on the three display screens 3, it means that the LCM meets the specification, otherwise the LCM does not meet the specification.

[0024] Two storage plates 5 are symmetrically arranged on the top of the bottom plate 1, and two positioning plates 6 are symmetrically arranged on the inner wall of the storage plate 5. The back sides of the two positioning plates 6 are fixedly connected with springs 7, and one end of the spring 7 away from the positioning plate 6 is fixedly connected to the inner wall of the storage plate 5. The opposite sides of the two positioning plates 6 are fixedly connected with loss reduction layers, and the material of the loss reduction layer can be rubber, etc., which is used to reduce the pressure of the two positioning plates 6 when clamping the LCM. The LCM is placed between the two positioning plates 6 in the storage plate 5 and assisted in positioning by the elasticity of the spring 7. After placement, the positive and negative electrodes of the LCM are aligned with the positive connection block and the negative connection block in the storage plate 5;

[0025] Furthermore, a connecting assembly 8 is provided on the left side of the bottom plate 1, and the connecting assembly 8 includes a left turning plate 81, the inner wall of the left turning plate 81 is fixedly connected with a worm 82, the inner wall of the bottom plate 1 is provided with a mounting groove, the worm 82 is meshed with a worm wheel 83, the inner wall of the worm wheel 83 is fixedly connected with a rotating rod 84, the top of the rotating rod 84 is fixedly connected with a cross plate 85, the tops of both ends of the cross plate 85 are fixedly connected with driving blocks 86, the outer wall of the driving block 86 is sleeved with a displacement plate 87, the bottom of the displacement plate 87 is fixedly connected with a slider, the top of the bottom plate 1 is provided with a slide groove for the slider to slide, and the storage plate 5 is fixed on the displacement plate The top of 87 is placed, and the positive and negative electrodes of the placed LCM are aligned with the positive connecting block and the negative connecting block in the storage plate 5. The left turning plate 81 is rotated to make the worm 82 rotate and engage with the worm gear 83. The rotation of the worm gear 83 drives the rotating rod 84 to rotate, so that the cross plate 85 rotates to cause the driving block 86 to drive the displacement plate 87 to move closer to each other, until the displacement plate 87 drives the storage plate 5 to move closer to each other to connect the positive connecting block and the negative connecting block between the two. Then, the power supply is connected according to the existing technology. The power supply passes through the positive connecting block, the negative connecting block and the LCM module, and the current of the LCM is tested through the test component 9.

[0026] The working principle and use process of the utility model are as follows: the LCM is placed between the two positioning plates 6 in the storage plate 5 and assisted in positioning by the elasticity of the spring 7. After being placed, the positive and negative electrodes of the LCM are aligned with the positive connection block and the negative connection block in the storage plate 5. The left rotation plate 81 is rotated to rotate the worm 82 to engage with the worm wheel 83 to drive the rotating rod 84 to rotate, so that the cross plate 85 is rotated to cause the driving block 86 to drive the displacement plate 87 to approach each other, until the displacement plate 87 drives the storage plate 5 to approach each other to connect the positive connection block and the negative connection block between the two. Then, according to the existing technology, the power supply is connected. The power supply passes through the positive connection block and the negative connection block and the LCM module. By rotating the top rotation plate 91, the threaded barrel 93 moves down on the outer wall of the screw rod 92, thereby causing the mounting plate 94 to drive the three test pens 4 to move down at the same time to contact the surface of the LCM for detection. After the detection, if the current is displayed the same on the three display screens 3, it means that the LCM meets the regulations, otherwise the LCM does not meet the regulations.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for testing current and voltage data of an LCM module, comprising a base plate (1) and a bracket (2) fixed on the top of the base plate (1), characterized in that: The front side of the base plate (1) is laterally and equidistantly fixedly connected with three display screens (3); the top of the base plate (1) is provided with three test pens (4) which are electrically connected to the three display screens (3) respectively; the top of the bracket (2) is provided with a test assembly (9); the top of the base plate (1) is symmetrically provided with two storage plates (5); and the left side of the base plate (1) is provided with a connection assembly (8).

2. The LCM module current and voltage data testing device according to claim 1, characterized in that: The connecting assembly (8) comprises a left-turning plate (81), the inner wall of which is fixedly connected to a worm (82), the inner wall of the bottom plate (1) is provided with a mounting groove, the worm (82) is meshed with a worm wheel (83), the inner wall of the worm wheel (83) is fixedly connected to a rotating rod (84), and the top end of the rotating rod (84) is fixedly connected to a transverse plate (85).

3. The LCM module current and voltage data testing device according to claim 2, characterized in that: The tops of both ends of the transverse plate (85) are fixedly connected to driving blocks (86), the outer wall of the driving block (86) is sleeved with a displacement plate (87), the bottom of the displacement plate (87) is fixedly connected to a sliding block, the top of the bottom plate (1) is provided with a sliding groove for the sliding block to slide, and the storage plate (5) is fixed to the top of the displacement plate (87).

4. The LCM module current and voltage data testing device according to claim 1, characterized in that: The test assembly (9) comprises a top rotating plate (91), the inner wall of the top rotating plate (91) is fixedly connected to a screw rod (92), and the outer wall of the screw rod (92) is threadedly connected to a threaded barrel (93).

5. The LCM module current and voltage data testing device according to claim 4, characterized in that: The bottom end of the threaded cylinder (93) is fixedly connected to a mounting plate (94), the inner wall of the bracket (2) is provided with a limiting groove for the end surface of the mounting plate (94) to slide, and the three test pens (4) are fixed to the bottom of the mounting plate (94) at equal distances in the horizontal direction.

6. The LCM module current and voltage data testing device according to claim 1, characterized in that: Two positioning plates (6) are symmetrically arranged on the inner wall of the storage plate (5), and the back sides of the two positioning plates (6) are fixedly connected to springs (7), and one end of the spring (7) away from the positioning plate (6) is fixedly connected to the inner wall of the storage plate (5).

7. The LCM module current and voltage data testing device according to claim 6, characterized in that: A loss reduction layer is fixedly connected to the opposite sides of the two positioning plates (6) and is used to reduce the pressure when the two positioning plates (6) clamp the LCM.

Images