Display module onboard structure

Abstract

The utility model discloses a display module onboard structure, which belongs to the technical field of displays and comprises a lower circuit board, a middle circuit board and an upper circuit board, and the surfaces of the lower circuit board, the middle circuit board and the upper circuit board are all provided with grooves. Cooling fins are installed in the grooves in the surfaces of the lower layer circuit board, the middle layer circuit board and the upper layer circuit board, fixing sleeves are fixed to the four corners of the surfaces of the lower layer circuit board and the middle layer circuit board, and fixing columns matched with the fixing sleeves are fixed to the four corners of the bottom of the middle layer circuit board and the four corners of the bottom of the upper layer circuit board. According to the display module onboard structure, through reasonable layered layout of electronic components, signal interference and transmission loss are effectively reduced, so that the display quality of a display is remarkably improved, and the display module onboard structure has a good heat dissipation effect and is more convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model belongs to display technical field, concretely relates to a display module board structure. BACKGROUND

[0002] With the rapid development of display technology, the display is more and more widely used in people's life and work. From the daily use computer display, television, to the professional field medical display, industrial control display, etc., the display has become an important window of information display. The display module as the core component of the display, its board structure has a crucial influence on the performance, stability and production and maintenance cost of the display.

[0003] The existing display module board structure has some deficiencies. In terms of signal transmission, the electronic component layout is not reasonable enough, resulting in large signal transmission interference. For example, different functional electronic components are too close, and signal transmission lines cross each other, so that the signal is easily disturbed by other signals in the transmission process, thereby affecting the display quality, and image blur, color distortion and other problems occur. In terms of heat dissipation, the heat dissipation effect is poor. During long time use of the display, a large amount of heat will be generated by each electronic component, if it cannot be dissipated in time, the component temperature will continue to rise, which not only affects the normal working performance of the component, shortens the service life of the component, but also may cause failure, reduces the stability of the display. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a display module board structure to solve the problems of electronic component layout not being reasonable enough, resulting in large signal transmission interference, affecting display quality, and poor heat dissipation effect, which easily affects the component life and display performance due to high temperature in long time use.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a display module board structure, comprising lower layer circuit board, middle layer circuit board and upper layer circuit board, the surface of lower layer circuit board, middle layer circuit board and upper layer circuit board is all provided with recess, and the recess in the surface of lower layer circuit board, middle layer circuit board and upper layer circuit board is all installed with cooling fin;

[0006] The surface of lower layer circuit board and middle layer circuit board is all fixed with fixed sleeve in four corners, and the bottom of middle layer circuit board and upper layer circuit board is all fixed with fixed column matched with fixed sleeve.

[0007] In further embodiment, four moving holes are equally spaced in the fixed sleeve, a fixed spring is placed in the moving hole of the fixed sleeve, and a limiting sliding block movably connected with the fixed sleeve is arranged on one side of the fixed spring.

[0008] In further embodiments, one end of the limiting sliding block is fixed with a fixed pin movably connected with the fixed sleeve, and the outer wall of the lower half of the fixed column is provided with a fixed groove matched with the fixed pin.

[0009] In further embodiments, the surface of the lower layer circuit board is symmetrically provided with two mounting holes, and the surfaces of the lower layer circuit board, the middle layer circuit board and the upper layer circuit board are all mounted with signal shielding covers.

[0010] In further embodiments, the corresponding positions of the lower layer circuit board, the middle layer circuit board, the upper layer circuit board and the radiating fins are all provided with a plurality of radiating holes.

[0011] The technical effects and advantages of the present application are as follows:

[0012] The display module onboard structure effectively reduces signal interference and transmission loss by reasonable electronic element layered layout and shortening signal transmission path, thereby significantly improving the display quality of the display, making the image clearer and the color more vivid.

[0013] The optimized heat dissipation design can timely dissipate the heat generated by each chip, avoid performance degradation and failure of elements caused by high temperature, improve the stability and reliability of the display module, and prolong the service life thereof.

[0014] The fixed sleeve cooperates with the fixed column to quickly complete the quick disassembly and assembly of the lower layer circuit board, the middle layer circuit board and the upper layer circuit board, which is convenient for installation and disassembly, and facilitates later maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description.

[0016] Figure 1The utility model discloses a structure schematic drawing of lower layer circuit board.

[0017] Figure 2 The utility model discloses a structure schematic drawing of middle layer circuit board.

[0018] Figure 3 The utility model discloses a structure schematic drawing of middle layer circuit board.

[0019] Figure 4 The utility model discloses a sectional view of fixed sleeve.

[0020] Figure 5 The utility model discloses a structure schematic drawing of fixed column.

[0021] In the drawing: 1, lower layer circuit board;2, middle layer circuit board;3, upper layer circuit board;4, mounting hole;5, fin;6, signal shield cover;7, fixed sleeve;8, fixed spring;9, limit sliding block;10, fixed pin;11, fixed column;12, fixed groove. Specific implementation

[0022] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0023] Unless the direction indicated by the single definition, the direction such as up, down, left, right, front, back, inside and outside involved in this article is with the direction such as up, down, left, right, front, back, inside and outside in the drawing shown by the utility model as standard, which is explained here.

[0024] The utility model provides a kind of display module board-mounted structure as Figures 1-5 As shown in the drawing, the utility model discloses a kind of display module board-mounted structure, including lower layer circuit board 1, middle layer circuit board 2 and upper layer circuit board 3, recess is set up in the surface of lower layer circuit board 1, middle layer circuit board 2 and upper layer circuit board 3, and the recess in the surface of lower layer circuit board 1, middle layer circuit board 2 and upper layer circuit board 3 is all equipped with fin 5, fin 5 is made of high thermal conductivity material, such as copper or aluminum, can efficiently absorb and conduct heat, the corresponding position of lower layer circuit board 1, middle layer circuit board 2, upper layer circuit board 3 and fin 5 is all equipped with multiple heat dissipation holes, the shape of heat dissipation hole can be circular, square or other shapes, through these heat dissipation holes, heat can be quickly dissipated to the surrounding environment, form good heat dissipation channel;

[0025] The surface of the lower circuit board 1 and the middle circuit board 2 are fixed with fixing sleeves 7, the bottom of the middle circuit board 2 and the upper circuit board 3 are fixed with fixing columns 11 matched with the fixing sleeves 7, four moving holes are arranged in the fixing sleeves 7 at equal intervals, fixing springs 8 are arranged in the moving holes of the fixing sleeves 7, one side of the fixing springs 8 is provided with limit sliding blocks 9 movably connected with the fixing sleeves 7, one end of the limit sliding blocks 9 is fixed with fixing pins 10 movably connected with the fixing sleeves 7, the lower half of the outer wall of the fixing column 11 is provided with a fixing groove 12 matched with the fixing pin 10, when installing, the fixing column 11 of the upper circuit board 3 is inserted into the fixing sleeve 7 of the middle circuit board 2, the fixing spring 8 pushes the limit sliding block 9, the fixing pin 10 is clamped into the fixing groove 12 of the fixing column 11, and the quick connection of the upper circuit board 3 and the middle circuit board 2 is realized; similarly, the fixing column 11 of the middle circuit board 2 is inserted into the fixing sleeve 7 of the lower circuit board 1, and the installation of the whole on-board structure is completed.

[0026] The surface of the lower circuit board 1 is provided with two mounting holes 4 arranged symmetrically, which is used for fixing the whole on-board structure on the shell of the display or other parts, and the surfaces of the lower circuit board 1, the middle circuit board 2 and the upper circuit board 3 are all provided with signal shielding covers 6, which are made of metal materials, such as stainless steel or aluminum alloy, and can effectively block external electromagnetic interference and ensure the stability of signal transmission.

[0027] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, the control mode of the utility model is controlled by a controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0028] In the description of the utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as a limitation on the utility model.

[0029] Working principle:

[0030] The display module board-on structure, electronic components work on each layer of circuit board, the signal generated by optimized layout and line transmission, reduces the signal interference, ensures the display quality, simultaneously, the heat generated by electronic component work is absorbed by the fin 5, the heat is conducted to the circuit board through the fin 5, and is dissipated to the surrounding environment through the heat dissipation hole, when the board-on structure needs to be maintained or the component is replaced, the fixed column 11 is pulled upwards, the fixed pin 10 is separated from the fixed slot 12, each layer of circuit board can be separated, and the operation is convenient.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A display module on-board structure comprising a lower layer circuit board (1), a middle layer circuit board (2) and an upper layer circuit board (3), characterized in that: The surfaces of the lower circuit board (1), the middle circuit board (2) and the upper circuit board (3) are provided with grooves, and the grooves of the surfaces of the lower circuit board (1), the middle circuit board (2) and the upper circuit board (3) are provided with heat dissipation fins (5). The surfaces of the lower circuit board (1) and the middle circuit board (2) are provided with fixed sleeves (7) at four corners, and the bottom of the middle circuit board (2) and the upper circuit board (3) is provided with fixed columns (11) matched with the fixed sleeves (7).

2. A display module on-board structure according to claim 1, characterized in that: Four moving holes are equidistantly arranged in the fixed sleeve (7), and a fixed spring (8) is arranged in the moving hole of the fixed sleeve (7), and a limiting sliding block (9) movably connected with the fixed sleeve (7) is arranged on one side of the fixed spring (8).

3. A display module on-board structure according to claim 2, wherein: One end of the limiting sliding block (9) is fixed with a fixed pin (10) movably connected with the fixed sleeve (7), and a fixed groove (12) matched with the fixed pin (10) is arranged on the outer wall of the lower half of the fixed column (11).

4. The display module on-board structure of claim 1, wherein: The surface of the lower circuit board (1) is provided with two mounting holes (4) symmetrically, and the surfaces of the lower circuit board (1), the middle circuit board (2) and the upper circuit board (3) are provided with signal shielding covers (6).

5. The display module on-board structure of claim 1, wherein: A plurality of heat dissipation holes are arranged at the corresponding positions of the lower circuit board (1), the middle circuit board (2), the upper circuit board (3) and the heat dissipation fins (5).

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