CN217591381U - Compact interference-proof display driving circuit board - Google Patents

Abstract

The utility model discloses a compact interference-proof display drive circuit board, relate to the circuit board field, the utility model discloses a shield cover and circuit board, including shield cover and circuit board, the bottom of circuit board is provided with fixed hook and heat conduction silica gel respectively, and the bottom of shield cover is provided with the mounting hole respectively and holds the chamber, the utility model discloses a still set up the heating panel based on being provided with the refrigeration substrate, heat conduction silica gel, heat radiation fins, heat-conducting plate, copper post and hold the chamber, when the circuit board is not installed, heat radiation fins and heating panel all are located and hold the intracavity to can avoid heat radiation fins to damage, after the circuit board installation, heat radiation fins stretches out and holds the chamber, and heat conduction silica gel hugs closely on the refrigeration substrate, and the refrigeration face of refrigeration substrate can carry out quick cooling to the circuit board, and the heat of refrigeration substrate heating face transmits the heating panel through the copper post on, and rethread heat radiation fins gives off fast, has reached the purpose of circuit board cooling, has improved the life of circuit board.

Description

Compact interference-proof display driving circuit board

Technical Field

The utility model relates to a circuit board field specifically is a compact interference-proof display drive circuit board.

Background

The display generally comprises display screen, preceding shell, drive mainboard, shielding shell, backshell, generally is equipped with backlight unit, backshell in the preceding shell and arranges in the dorsal part of preceding shell, places the backshell in the shielding shell, and the drive mainboard is installed in the shielding shell, and the shielding shell is used for shielding outside electromagnetic wave to the influence of drive mainboard internal circuit.

The prior art discloses a compact interference-proof display driving circuit board with application number CN202020224944.8, which comprises a shielding shell and a circuit board, wherein a plurality of mounting holes are formed in the length direction of one side of the top of the circuit board, the shielding shell is provided with a first containing cavity, one side of the first containing cavity is provided with an opening, and the first containing cavity is used for containing the circuit board; a plurality of bending parts are arranged at intervals in the length direction of the inner side of the first accommodating cavity, and one end of each bending part extends into the first accommodating cavity; first screw holes are further formed in the tops of the bending portions, and the first screw holes are arranged corresponding to mounting holes of the circuit main board. The utility model discloses an on traditional shielding shell basis, set up a plurality of portions of bending and the tight module of clamp of seting up the screw hole, and then need not to pour the nut post in addition in the shielding shell, use manpower sparingly material resources, reduce cost, but this circuit board adopts the bolt to install in the inside in first appearance chamber, need the use tool during installation, during the dismantlement, also be convenient for take out the circuit board, secondly, this circuit board adopts the louvre to dispel the heat, single structure, the radiating effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a display dirver circuit board of compact jam-proof to solve inconvenient dismouting and the poor technical problem of radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compact interference-proof display driving circuit board, includes shield cover and circuit board, including shield cover and circuit board, the bottom of circuit board is provided with fixed hook and heat conduction silica gel respectively, the bottom of shield cover is provided with the mounting hole respectively and holds the chamber, the movable hook is installed through the pivot in the inside of mounting hole, the inside below of shield cover is provided with first spring and copper post respectively, the top of first spring and copper post all is fixed with the heat-conducting plate, the refrigeration substrate is installed at the top of heat-conducting plate, the bottom mounting of copper post has the heating panel, heat radiation fins is installed to the bottom of heating panel, one side of movable hook is provided with the second spring.

Furthermore, the radiating fins are provided with a plurality of radiating fins, every nine radiating fins are a group, three groups are provided, and the radiating fins are arranged at equal intervals.

Through adopting above-mentioned technical scheme for the heat can rapid cooling, and then has reduced the temperature of circuit board.

Furthermore, the fixed hook and the movable hook are both provided with two groups, and the top of the fixed hook and the top of the movable hook are both in a slope shape.

Through adopting above-mentioned technical scheme, when fixed hook and movable hook contact and exert pressure downwards, can expand the slope to both sides after the movable hook atress, and then take place to give way.

Further, the depth of the accommodating cavity is equal to the thickness of the heat dissipation plate plus the height of the heat dissipation fins.

By adopting the technical scheme, when the circuit board is not installed, the heat dissipation plate and the heat dissipation fins retract into the accommodating cavity, so that the heat dissipation fins can be protected, and the damage of the heat dissipation fins is avoided.

Furthermore, a rubber sleeve is sleeved below the outer surface of the movable hook.

Through adopting above-mentioned technical scheme, rubber sleeve multiplicable frictional force is difficult for appearing the condition of skidding when breaking movable hook off with the fingers and thumb.

Furthermore, mounting plates are fixed above two sides of the shielding cover, and mounting holes penetrate through the tops of the mounting plates.

Through adopting above-mentioned technical scheme, the staff makes the shield cover be convenient for fixed mounting through the mounting hole on the mounting panel.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a be provided with the fixed hook, the movable hook, first spring, second spring and refrigeration substrate, when installing the circuit board, the staff places the circuit board in the inside of shield cover, then exert pressure downwards, make the fixed hook extrude the movable hook, the movable hook can expand to both sides after being pressurized, after the fixed hook inserts to a certain extent, the circuit board is pressed on the refrigeration substrate and extrudes first spring, meanwhile the second spring promotes the movable hook to reset, and then make the movable hook buckle with the fixed hook, thereby the installation work of circuit board has been accomplished, when dismantling, the staff breaks the movable hook inwards, and then make the movable hook dislocate with the fixed hook, and promote the circuit board upward movement under the reset action of first spring, thereby the staff takes out the circuit board, easy dismounting, easy operation, therefore the practicality is strong;

2. the utility model discloses a still set up the heating panel based on being provided with the refrigeration substrate, heat conduction silica gel, heat radiation fins, the heat-conducting plate, the copper post and hold the chamber, when the circuit board is not installed, heat radiation fins and heating panel all are located and hold the intracavity, thereby can avoid heat radiation fins to damage, after the circuit board installation, heat radiation fins stretches out and holds the chamber, heat conduction silica gel hugs closely on the refrigeration substrate, the refrigeration face of refrigeration substrate can carry out quick cooling to the circuit board, and the heat of the face that generates heat of refrigeration substrate passes through the copper post and transmits to the heating panel, rethread heat radiation fins gives off fast, the purpose to the circuit board cooling has been reached, the life of circuit board has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the heat dissipation plate of the present invention;

FIG. 3 is a schematic view of the movable hook of the present invention;

fig. 4 is an enlarged schematic structural diagram of a point a in fig. 1 of the present invention.

In the figure: 1. a shield case; 2. a circuit board; 3. mounting a plate; 4. heat conducting silica gel; 5. a fixed hook; 6. mounting holes; 7. a rotating shaft; 8. a movable hook; 9. an accommodating chamber; 10. a copper pillar; 11. a first spring; 12. refrigerating the substrate; 13. a second spring; 14. a heat dissipation plate; 15. heat dissipation fins; 16. a heat conducting plate; 17. a rubber sleeve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

Next, an embodiment of the present invention will be described with reference to the overall structure thereof.

A compact anti-interference display driving circuit board is disclosed, as shown in figures 1-4, which comprises a shielding case 1 and a circuit board 2, and comprises the shielding case 1 and the circuit board 2, wherein the bottom of the circuit board 2 is respectively provided with a fixed hook 5 and a heat-conducting silica gel 4, the bottom of the shielding case 1 is respectively provided with a mounting hole 6 and a containing cavity 9, a movable hook 8 is mounted in the mounting hole 6 through a rotating shaft 7, a rubber sleeve 17 is sleeved below the outer surface of the movable hook 8, the rubber sleeve 17 can increase friction force, slipping is not easy to occur when the movable hook 8 is pulled off, a first spring 11 and a copper column 10 are respectively arranged below the inside of the shielding case 1, the tops of the first spring 11 and the copper column 10 are both fixed with a heat-conducting plate 16, a refrigeration substrate 12 is mounted at the top of the heat-conducting plate 16, a heat-dissipating plate 14 is fixed at the bottom end of the copper column heat-dissipating plate 10, heat-dissipating fins 15 are mounted at the bottom of the heat-dissipating plate 14, a second spring 13 is arranged on one side of the movable hook 8, a plurality of heat-dissipating fins 15 are respectively, nine fins are respectively arranged in a group, three groups are arranged in total, the three groups of three groups, heat-dissipating fins 15 are arranged at equal intervals, and the heat-cooling heat-dissipating fins can be quickly, and the temperature of the circuit board 2 is reduced.

Referring to fig. 1 and 3, the fixed hook 5 and the movable hook 8 are provided with two sets, the top of the fixed hook 5 and the top of the movable hook 8 are both in a slope shape, and when the fixed hook 5 contacts with the movable hook 8 and applies pressure downwards, the movable hook 8 is stressed and then expands to incline towards two sides, so that yielding occurs.

Referring to fig. 1, the depth of the accommodating cavity 9 is equal to the thickness of the heat dissipation plate 14 plus the height of the heat dissipation fins 15, and when the circuit board 2 is not installed, the heat dissipation plate 14 and the heat dissipation fins 15 retract into the accommodating cavity 9, so that the heat dissipation fins 15 can be protected, and the heat dissipation fins 15 are prevented from being damaged.

Referring to fig. 1, mounting plates 3 are fixed above two sides of a shielding case 1, mounting holes penetrate through the tops of the mounting plates 3, and workers can fix the shielding case 1 through the mounting holes in the mounting plates 3.

The implementation principle of the embodiment is as follows: firstly, when a worker installs the circuit board 2, the worker places the circuit board 2 inside the shielding case 1, then downward pressure is applied, so that the fixed hook 5 extrudes the movable hook 8, the movable hook 8 expands towards two sides after being pressed, when the fixed hook 5 is inserted to a certain extent, the circuit board 2 presses on the refrigeration substrate 12 and extrudes the first spring 11, meanwhile, the second spring 13 pushes the movable hook 8 to reset, so that the movable hook 8 is buckled with the fixed hook 5, thereby completing the installation work of the circuit board 2, after the circuit board 2 is installed, the heat dissipation fins 15 extend out of the accommodating cavity 9, the heat conduction silica gel 4 is tightly attached to the refrigeration substrate 12, the refrigeration surface of the refrigeration substrate 12 can rapidly cool the circuit board 2, the heat of the heating surface of the refrigeration substrate 12 is transferred to the heat dissipation plate 14 through the copper columns 10, and then is rapidly dissipated through the heat dissipation fins 15, the purpose of cooling the circuit board 2 is achieved, when the worker detaches the movable hook 8 inward, so that the movable hook 8 is dislocated from the fixed hook 5, and the heat dissipation plate 14 is rapidly dissipated through the heat dissipation fins 15 under the action of the first spring 11, thereby the heat dissipation fins 15 can be conveniently taken out, and the circuit board 2, thereby preventing the heat dissipation fins 15 from being damaged.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims (6)

1. A compact interference-proof display driving circuit board comprises a shielding case (1) and a circuit board (2), and is characterized in that: the bottom of circuit board (2) is provided with fixed hook (5) and heat conduction silica gel (4) respectively, the bottom of shield cover (1) is provided with mounting hole (6) respectively and holds chamber (9), movable hook (8) are installed through pivot (7) to the inside of mounting hole (6), the inside below of shield cover (1) is provided with first spring (11) and copper post (10) respectively, the top of first spring (11) and copper post (10) all is fixed with heat-conducting plate (16), refrigeration substrate (12) are installed at the top of heat-conducting plate (16), the bottom mounting of copper post (10) has heating panel (14), heat radiation fins (15) are installed to the bottom of heating panel (14), one side of movable hook (8) is provided with second spring (13).

2. The compact tamper-proof display driver circuit board of claim 1, wherein: the heat dissipation fins (15) are arranged in a plurality of groups, every nine heat dissipation fins are in a group, the number of the heat dissipation fins is three, and the heat dissipation fins (15) in the three groups are arranged at equal intervals.

3. The compact tamper-proof display driver circuit board of claim 1, wherein: the fixed hook (5) and the movable hook (8) are both provided with two groups, and the top of the fixed hook (5) and the top of the movable hook (8) are both in a slope shape.

4. The compact tamper-proof display driver circuit board of claim 1, wherein: the depth of the accommodating cavity (9) is equal to the thickness of the heat dissipation plate (14) and the height of the heat dissipation fins (15).

5. The compact tamper-proof display driver circuit board of claim 1, wherein: and a rubber sleeve (17) is sleeved below the outer surface of the movable hook (8).

6. The compact tamper-proof display driver circuit board of claim 1, wherein: the shielding case is characterized in that mounting plates (3) are fixed above two sides of the shielding case (1), and mounting holes penetrate through the tops of the mounting plates (3).

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