HDMI multipath aging test device

Abstract

An HDMI multipath aging test device comprises a mounting panel, a base, an HDMI parallel PCB and a transformer. The transformer is fixed on the mounting panel; the HDMI parallel PCB is connected with a plurality of HDMI connectors; the HDMI parallel PCB is detachably connected with a fixing device; transverse angle plates are connected to the two sides of the fixing device through bolts; one side of the transverse angle plate is connected with the fixing device through a bolt, and the other side of the transverse angle plate is connected with the mounting panel through a bolt; the tail ends of the two transverse angle plates are connected with transition angle plates; the tail ends of the two transition angle plates are connected with the same U-shaped angle plate; the arc-shaped section of the U-shaped angle plate is rotationally connected with the base; a sliding frame is vertically connected between the two transition angle plates; and a plurality of rollers are mounted at the bottom end of the sliding frame. According to the invention, a plurality of HDMI joints are provided, so that the HDMI parallel PCB can be rotated and moved conveniently.

Description

Technical Field

[0001] The invention relates to a testing device, in particular to an HDMI multi-channel aging testing device. Background Art

[0002] High Definition Multimedia Interface (HDMI) is a fully digital video and sound transmission interface that can send uncompressed audio and video signals. HDMI can be used in set-top boxes, DVD players, personal computers, televisions, game consoles, integrated amplifiers, digital audio and televisions, etc.; HDMI can send audio and video signals at the same time. Since the audio and video signals use the same wire, the difficulty of installing the system line is greatly simplified.

[0003] HDMI aging tests usually involve simulating long-term use and environmental impacts to evaluate the performance stability and durability of HDMI interfaces and cables. Therefore, we often need to use HDMI multi-channel aging test devices. The existing HDMI multi-channel aging test devices can only insert a limited number of HDMI connectors. During use, the entire device cannot be rotated and is inconvenient to move. Summary of the invention

[0004] The present invention aims to solve the technical problem of providing a HDMI multi-channel aging test device which has multiple HDMI connectors, is easy to move and can be rotated.

[0005] In order to solve the above technical problems, the technical solution of an HDMI multi-channel aging test device of the present invention is:

[0006] It includes an installation panel, a base, an HDMI parallel PCB board and a transformer connected to the HDMI parallel PCB board; the transformer is fixed on the installation panel; a plurality of HDMI connectors are connected to the HDMI parallel PCB board; a fixing device is detachably connected to the HDMI parallel PCB board; transverse angle plates are connected to both sides of the fixing device by bolts; one side of the transverse angle plate is connected to the fixing device by bolts, and the other side of the transverse angle plate is connected to the installation panel by bolts; transition angle plates are connected to the ends of the two transverse angle plates; the ends of the two transition angle plates are connected to the same U-shaped angle plate; the arc section of the U-shaped angle plate is rotatably connected to the base; a slide is vertically connected between the two transition angle plates; a plurality of rollers are installed at the bottom end of the slide; a control mechanism for controlling the up and down movement of the slide is also connected to the two transition angle plates; a push handle is connected to the end of the installation panel away from the slide.

[0007] The fixing device comprises two fixing panels which are respectively connected to the two transverse angle plates by bolts; the two fixing panels are connected by bolts, and the HDMI parallel PCB board is clamped between the two fixing panels.

[0008] The control mechanism includes a vertical screw rod; a connection panel is also connected above the two transition angle plates; the vertical screw rod is rotatably connected to the connection panel, and a hexagonal bolt head is connected to the upper end of the vertical screw rod; the vertical screw rod is threadedly connected to the slide.

[0009] The two transition angle plates are both provided with vertical limit slide grooves; the two sides of the slide frame are respectively connected with vertical sliding blocks corresponding to the two vertical limit slide grooves; the two vertical sliding blocks are respectively vertically slidably connected to the two vertical limit slide grooves.

[0010] A mounting shaft which is integrated with the base is connected above the base; a bearing is sleeved on the mounting shaft; a limiting device for limiting the bearing is installed on the U-shaped angle plate; an upper limit plate for limiting the mounting shaft is detachably connected to the upper end of the mounting shaft.

[0011] A limiting ring groove is provided on the outer side of the bearing; the inner side of the arc section of the U-shaped angle plate is connected with a left limiting arc ridge corresponding to the limiting ring groove; the limiting device includes a transverse slide; the transverse slide is transversely slidably connected to the U-shaped angle plate; a plate body is installed on the right side of the transverse slide of the U-shaped angle plate; a pushing bolt is threadedly connected to the plate body; the end of the pushing bolt passes through the plate body and abuts against the right side of the transverse slide; a right limiting arc ridge corresponding to the limiting ring groove is connected to the left side of the transverse slide; the right limiting arc ridge and the left limiting arc ridge are respectively inserted on both sides of the limiting ring groove.

[0012] The U-shaped angle plate is provided with transverse limiting grooves on both the front and rear sides; the transverse sliding seat is respectively connected with transverse sliding blocks corresponding to the two transverse limiting grooves on the front and rear sides; the two transverse sliding blocks are respectively connected to the two transverse limiting grooves in a transverse sliding manner.

[0013] The upper end of the installation shaft is provided with a straight groove; the lower end of the upper limit plate is connected with a plug-in block corresponding to the straight groove; the plug-in block is inserted into the straight groove, and the installation shaft is connected to the upper limit plate through bolts.

[0014] The installation panel is connected with a fixed upper plate; the transformer is installed on the fixed upper plate.

[0015] The technical effect achieved by the present invention is as follows: an HDMI multi-channel aging test device of the present invention is connected with multiple HDMI connectors on an HDMI parallel PCB board, and multiple HDMIs can be connected through the multiple HDMI connectors to test them. When in use, the mains is first connected through a transformer, and the 220V mains is converted into 5V / 20A through the transformer, and then the HDMI parallel PCB board is powered, and the HDMI starts to run an aging test; in the use of the present invention, the arc section of the U-shaped angle plate is rotatably connected to the base, so it is more convenient to rotate the HDMI parallel PCB board; and when the present invention needs to be moved, the mounting panel can be lifted up by a push handle so that the present invention is supported on the ground by the rollers at the bottom end of the slide, and the movement is more convenient and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0017] Figure 1 It is a structural schematic diagram of an HDMI multi-channel aging test device of the present invention when it moves;

[0018] Figure 2 yes Figure 1 A magnified view of part A;

[0019] Figure 3 It is a structural schematic diagram of an HDMI multi-channel aging test device of the present invention when it is not moving;

[0020] Figure 4 yes Figure 3 A magnified view of part B;

[0021] Figure 5 It is an exploded diagram of an HDMI multi-channel aging test device of the present invention;

[0022] Figure 6 yes Figure 5 Enlarged view of part C;

[0023] Figure 7 yes Figure 5 A magnified view of the D portion;

[0024] Figure 8 It is a structural schematic diagram of the upper limit plate;

[0025] Fig. 9 is a cross-sectional view of an HDMI multi-channel aging test device of the present invention;

[0026] Fig.10 yes Fig. 9 Enlarged view of part E. DETAILED DESCRIPTION

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] See also Figures 1 to 10 .

[0029] A HDMI multi-channel aging test device comprises an installation panel 1, a base 2, an HDMI parallel PCB board 3 and a transformer 4 connected to the HDMI parallel PCB board 3; the transformer 4 is fixed on the installation panel 1, specifically, the installation panel 1 is connected to a fixed upper plate 71, and the transformer 4 is installed on the fixed upper plate 71; a plurality of HDMI connectors 5 are connected to the HDMI parallel PCB board 3, specifically, 200 HDMI connectors 5 are respectively connected to the front and back sides of the HDMI parallel PCB board 3; a fixing device is detachably connected to the HDMI parallel PCB board 3, and both sides of the fixing device are connected to transverse angle plates 6 by bolts; specifically, the fixing device comprises two fixing panels 12 respectively connected to the two transverse angle plates 6 by bolts, the two fixing panels 12 are connected by bolts, and the HDMI parallel PCB board 3 is clamped between the two fixing panels 12.

[0030] When the present invention is used, firstly, the HDMI to be tested is inserted into the HDMI connector 5. Since the present invention is provided with multiple HDMI connectors 5, aging tests can be performed for multiple HDMIs. The transformer 4 is connected to the mains. The 220V mains is converted into 5V / 20A by the transformer, and then the HDMI parallel PCB board is powered, and the HDMI starts to run the aging test. The present invention connects the fixed panels 12 on both sides of the HDMI parallel PCB board 3. The fixed panels 12 can protect the HDMI parallel PCB board 3 to prevent the HDMI parallel PCB board 3 from being damaged by external force impact, and the two fixed panels 12 are connected by bolts, which is convenient for disassembly.

[0031] One side of the transverse angle plate 6 is connected to the fixing device by bolts, and the other side of the transverse angle plate 6 is connected to the mounting panel 1 by bolts. The ends of the two transverse angle plates 6 are both connected to transition angle plates 7, and the ends of the two transition angle plates 7 are connected to the same U-shaped angle plate 8; the arc section of the U-shaped angle plate 8 is rotatably connected to the base 2; specifically, the base 2 is connected to a mounting shaft 31 that is integrated with itself above, and a bearing 32 is sleeved on the mounting shaft 31, and a limiting device for limiting the bearing 32 is installed on the U-shaped angle plate 8; the upper end of the mounting shaft 31 is detachably connected to an upper limit plate 33 for limiting itself, specifically, a straight groove 51 is provided at the upper end of the mounting shaft 31, and a plug-in block 52 corresponding to the straight groove 51 is connected to the lower end of the upper limit plate 33; the plug-in block 52 is inserted into the straight groove 51, and the mounting shaft 31 is connected to the upper limit plate 33 by bolts.

[0032] In the specific installation of the bearing 32, a limiting annular groove 41 is provided on the outer side of the bearing 32, and a left limiting arc-shaped convex ridge 42 corresponding to the limiting annular groove 41 is connected to the inner side of the arc section of the U-shaped angle plate 8. The limiting device includes a transverse slide 43; the transverse slide 43 is transversely slidably connected to the U-shaped angle plate 8. Specifically, transverse limiting grooves 61 are provided on both the front and rear sides of the U-shaped angle plate 8, and transverse slides 62 corresponding to the two transverse limiting grooves 61 are respectively connected to the front and rear sides of the transverse slide 43. The two transverse sliding blocks 62 are respectively connected to the two transverse limiting sliding grooves 61 in a transverse sliding manner; the U-shaped angle plate 8 has a plate body 44 installed on the right side of its transverse sliding seat 43, and a pushing bolt 45 is threadedly connected to the plate body 44, and the end of the pushing bolt 45 passes through the plate body 44 and abuts against the right side of the transverse sliding seat 43; the left side of the transverse sliding seat 43 is connected to a right limiting arc ridge 46 corresponding to the limiting ring groove 41, and the right limiting arc ridge 46 and the left limiting arc ridge 42 are respectively inserted on both sides of the limiting ring groove 41.

[0033] The bearing 32 of the present invention is limited by the right limiting arc ridge 46 of the transverse slide 43 and the left limiting arc ridge 42 of the U-shaped angle plate 8 during installation through the design of the limiting ring groove 41. Specifically, the bearing 32 is first placed in the U-shaped angle plate 8, and then the pushing bolt 45 is rotated to push the transverse slide 43 to move laterally along the transverse limiting groove 61 until the bearing 32 is locked between the transverse slide 43 and the U-shaped angle plate 8. At this time, the right limiting arc ridge 46 and the left limiting arc ridge 42 are respectively inserted on both sides of the limiting ring groove 41, and the bearing 32 is fixed, and its fixation is relatively firm. In terms of fixing the installation shaft 31, the installation shaft 31 is inserted into the bearing 32 and limited by the upper limit plate 33. The upper limit plate 33 is connected to the installation shaft 31 by bolts. At this time, the bearing 32 is limited between the base 2 and the upper limit plate 33.

[0034] A slide 9 is vertically connected between the two transition angle plates 7, and a plurality of rollers 10 are installed at the bottom end of the slide 9. Specifically, two rollers 10 are installed at the bottom end of the slide 9; a control mechanism for controlling the up and down movement of the slide 9 is also connected to the two transition angle plates 7, and specifically, the control mechanism includes a vertical screw 21, and a connecting panel 22 is also connected above the two transition angle plates 7, the vertical screw 21 is rotatably connected to the connecting panel 22, and a hexagonal bolt head 23 is connected to the upper end of the vertical screw 21, and the vertical screw 21 is threadedly connected to the slide 9; more specifically, vertical limit slots 24 are provided on the two transition angle plates 7, and vertical sliders 25 corresponding to the two vertical limit slots 24 are respectively connected on both sides of the slide 9, and the two vertical sliders 25 are respectively vertically slidably connected to the two vertical limit slots 24; a push handle 11 is connected to the end of the mounting panel 1 away from the slide 9.

[0035] The present invention does not use the roller 10 (refer to Figure 3), the present invention is supported on the ground by the base 2, and the slide 9 can be moved to the top by rotating the vertical screw 21; when the roller 10 is needed (refer to Figure 1 , 2 ), first rotate the vertical screw 21 to control the slide 9 to move down to the bottom along the vertical limit slide 24, and then lift the push handle 11 to Figure 1 , 2 In this case, the present invention is supported on the ground by rollers 10, and its movement is more convenient.

Claims

1. An HDMI multi-channel aging test device, characterized in that: The device comprises a mounting panel (1), a base (2), an HDMI parallel PCB board (3), and a transformer (4) connected to the HDMI parallel PCB board (3); the transformer (4) is fixed on the mounting panel (1); a plurality of HDMI connectors (5) are connected to the HDMI parallel PCB board (3); a fixing device is detachably connected to the HDMI parallel PCB board (3); transverse angle plates (6) are connected to both sides of the fixing device via bolts; one side of the transverse angle plate (6) is connected to the fixing device via bolts, and the other side of the transverse angle plate (6) is connected to the fixing device via bolts. The bolts are connected to the installation panel (1); the ends of the two horizontal angle plates (6) are connected to transition angle plates (7); the ends of the two transition angle plates (7) are connected to the same U-shaped angle plate (8); the arc section of the U-shaped angle plate (8) is rotatably connected to the base (2); a slide (9) is vertically connected between the two transition angle plates (7); a plurality of rollers (10) are installed at the bottom end of the slide (9); a control mechanism for controlling the up and down movement of the slide (9) is also connected to the two transition angle plates (7); and a push handle (11) is connected to the end of the installation panel (1) away from the slide (9).

2. The HDMI multi-channel aging test device according to claim 1, characterized in that: The fixing device comprises two fixing panels (12) respectively connected to the two transverse angle plates (6) by bolts; the two fixing panels (12) are connected by bolts, and the HDMI parallel PCB board (3) is clamped between the two fixing panels (12).

3. The HDMI multi-channel aging test device according to claim 1, characterized in that: The control mechanism comprises a vertical screw rod (21); a connection panel (22) is connected above the two transition angle plates (7); the vertical screw rod (21) is rotatably connected to the connection panel (22), and a hexagonal bolt head (23) is connected to the upper end of the vertical screw rod (21); the vertical screw rod (21) is threadedly connected to the slide frame (9).

4. The HDMI multi-channel aging test device according to claim 3, characterized in that: Both transition angle plates (7) are provided with vertical limit slide grooves (24); both sides of the slide frame (9) are respectively connected with vertical sliding blocks (25) corresponding to the two vertical limit slide grooves (24); the two vertical sliding blocks (25) are respectively vertically slidably connected to the two vertical limit slide grooves (24).

5. The HDMI multi-channel aging test device according to claim 3, characterized in that: The base (2) is connected to a mounting shaft (31) which is integral with the base; a bearing (32) is sleeved on the mounting shaft (31); a limiting device for limiting the bearing (32) is installed on the U-shaped angle plate (8); and an upper limit plate (33) for limiting the mounting shaft (31) is detachably connected to the upper end of the mounting shaft (31).

6. The HDMI multi-channel aging test device according to claim 5, characterized in that: A limiting annular groove (41) is provided on the outer side of the bearing (32); a left limiting arc-shaped ridge (42) corresponding to the limiting annular groove (41) is connected to the inner side of the arc section of the U-shaped angle plate (8); the limiting device comprises a transverse slide seat (43); the transverse slide seat (43) is transversely slidably connected to the U-shaped angle plate (8); a plate body (44) is installed on the right side of the transverse slide seat (43) of the U-shaped angle plate (8); a pushing bolt (45) is threadedly connected to the plate body (44); the end of the pushing bolt (45) passes through the plate body (44) and abuts against the right side of the transverse slide seat (43); a right limiting arc-shaped ridge (46) corresponding to the limiting annular groove (41) is connected to the left side of the transverse slide seat (43); the right limiting arc-shaped ridge (46) and the left limiting arc-shaped ridge (42) are respectively inserted on both sides of the limiting annular groove (41).

7. The HDMI multi-channel aging test device according to claim 6, characterized in that: The U-shaped angle plate (8) is provided with transverse limiting sliding grooves (61) on both the front and rear sides; the transverse sliding seat (43) is respectively connected with transverse sliding blocks (62) corresponding to the two transverse limiting sliding grooves (61) on the front and rear sides; the two transverse sliding blocks (62) are respectively connected to the two transverse limiting sliding grooves (61) in a transverse sliding manner.

8. The HDMI multi-channel aging test device according to claim 5, characterized in that: The upper end of the installation shaft (31) is provided with a straight groove (51); the lower end of the upper limit plate (33) is connected with a plug-in block (52) corresponding to the straight groove (51); the plug-in block (52) is inserted into the straight groove (51), and the installation shaft (31) is connected to the upper limit plate (33) by bolts.

9. The HDMI multi-channel aging test device according to claim 1, characterized in that: The installation panel (1) is connected to a fixed upper plate (71); the transformer (4) is installed on the fixed upper plate (71).

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