CN217767106U - LCD liquid crystal display driving chip - Google Patents

Abstract

The utility model discloses a LCD liquid crystal display driver chip, including the circuit board, the through-hole has all been seted up all around to circuit board top outer wall, and pegs graft in the inside of through-hole and have the post, and the bottom welding of post has spacing dish, and the welding has the spring of cup jointing at the post outside on the top outer wall of spacing dish, and the top welding of post has the connecting rod that is the alternating expression structure and distributes, and the welding of axle center department of connecting rod has a ring section of thick bamboo. The utility model discloses the spring drives the post along through-hole lapse under the effect of spacing dish for the post passes through the connecting rod and drives the heat conduction piece through a ring section of thick bamboo and press the top of holding at the chip body, fine promotion the stability of chip body, the convenience is dismantled and is installed the chip body simultaneously, the heat conduction piece is pressed the chip body and is held, the heat transfer that the chip body produced gives the heat conduction piece, the heat dissipation fan drives the air current and passes the heat conduction piece and evacuate the heat, fine promotion the heat dispersion and the radiating effect of chip body.

Description

LCD liquid crystal display driving chip

Technical Field

The utility model relates to a driver chip technical field, concretely relates to LCD liquid crystal display driver chip.

Background

The LCD is constructed by placing a liquid crystal box between two parallel glass substrates, arranging TFT (thin film transistor) on the lower substrate glass, arranging color filter on the upper substrate glass, and controlling the rotation direction of liquid crystal molecules by changing the signal and voltage on the TFT, so as to control whether polarized light of each pixel point is emitted or not to achieve the display purpose; LCDs have become the mainstream of replacements for CRTs, and the price has also dropped a lot and has become sufficiently popular.

If the number of the authorized bulletin is CN213366577U, the number of the authorized bulletin is 2021-06-04, the display driving chip based on the integrated packaging structure comprises a display driving chip body and a protective shell, wherein a fixed cylinder is fixedly connected to the lower surface of the display driving chip body, an inner column is slidably connected to the inner wall of the fixed cylinder, a damping spring is fixedly connected to one end of the inner column, an installation plate is fixedly connected to the other end of the inner column, a clamping hole is formed in the surface of the installation plate, side plates are fixedly connected to both sides of the protective shell, a rectangular seat is fixedly connected to the upper surface of each side plate, and a clamping rod is slidably connected to the inner wall of the rectangular seat.

In the above and prior art, the driving chip on the circuit board is not provided with a pressing structure after being installed, so that the driving chip is easy to loose on the circuit board to cause short circuit, and meanwhile, the driving chip has poor heat dissipation effect and is easy to overload.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a LCD liquid crystal display driver chip to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a LCD liquid crystal display driver chip, includes the circuit board, the through-hole has all been seted up all around to circuit board top outer wall, and the inside of through-hole is pegged graft and is had the post, the bottom welding of post has spacing dish, and welds on the top outer wall of spacing dish and cup joint the outside spring at the post, the welding of the top of post has the connecting rod that is the staggered structure and distributes, and the welding of axle center department of connecting rod has a ring section of thick bamboo, the welding has the heat conduction piece on the bottom outer wall of a ring section of thick bamboo, and the axle center department of circuit board top outer wall has seted up the spacing groove, the inside in spacing groove agrees with the chip body, and laminates mutually between the top outer wall of heat conduction piece and chip body.

Preferably, the inner wall of the bottom of the limiting groove is provided with conductive grooves distributed in a matrix structure at equal intervals, and the outer wall of the bottom of the chip body is integrally formed with plug pins distributed in a matrix structure, wherein the plug pins are inserted into the conductive grooves.

Preferably, the center department welding of ring section of thick bamboo inside wall has the support, and the axle center department of support installs the heat dissipation fan through the screw, the filter screen has all been welded to the top and the bottom of ring section of thick bamboo inside wall.

Preferably, the outer wall of the bottom of the circuit board is provided with slots distributed in an equidistant structure, the slots are internally inserted with insertion blocks, and the outer wall of the bottom of the insertion blocks is welded with radiating fin plates.

Preferably, the bottom of the outer wall of each of the two sides of the heat dissipation fin plate is welded with a convex plate, and the center of the outer wall of the top of each convex plate is provided with screw holes distributed in an equidistant structure.

In the technical scheme, the utility model provides a LCD driving chip, (1) through the heat conduction block that sets up, the spring drives the post rod to slide downwards along the through-hole under the effect of spacing dish, make the post rod drive the heat conduction block through the connecting rod via the ring section of thick bamboo and press and hold at the top of chip body, fine promotion the stability of chip body, convenient dismantling and installing the chip body simultaneously; (2) The heat dissipation fan is arranged, the heat conduction block presses and holds the chip body, heat generated by the chip body is transferred to the heat conduction block, and the heat dissipation fan drives airflow to penetrate through the heat conduction block to evacuate the heat, so that the heat dissipation performance and the heat dissipation effect of the chip body are well improved; (3) Through the arranged radiating fin plate, the inserting block is inserted in the inserting groove, so that the radiating fin plate is more convenient to install and disassemble, meanwhile, the radiating fin plate can evacuate heat generated by electronic elements on the circuit board, the radiating effect of the circuit board is well improved, and the service life of the electronic elements on the circuit board is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of a three-dimensional structure provided in an embodiment of a driving chip for LCD liquid crystal display of the present invention.

Fig. 2 is a schematic diagram of a structure of a heat dissipation fin plate provided in an embodiment of an LCD driver chip.

Fig. 3 is a schematic diagram of a local structure provided in an embodiment of a driving chip for LCD display.

Fig. 4 is a schematic diagram of a post structure provided in an embodiment of the LCD driver chip of the present invention.

Description of the reference numerals:

1. a circuit board; 2. a limiting groove; 3. a chip body; 4. a pin; 5. a conductive slot; 6. a slot; 7. inserting a block; 8. a heat dissipating fin plate; 9. a convex plate; 10. a through hole; 11. a post rod; 12. a spring; 13. a limiting disc; 14. a connecting rod; 15. a ring cylinder; 16. a heat conducting block; 17. a support; 18. a heat dissipation fan; 19. and (5) filtering by using a filter screen.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

As shown in fig. 1-4, the utility model provides a pair of LCD liquid crystal display driver chip, including circuit board 1, through-hole 10 has all been seted up all around to 1 top outer wall of circuit board, and the inside of through-hole 10 is pegged graft and is had post 11, the bottom welding of post 11 has spacing dish 13, and the welding has the spring 12 of cup jointing in post 11 outside on the top outer wall of spacing dish 13, the welding of top of post 11 has connecting rod 14 that is the staggered structure and distributes, and the welding of axle center department of connecting rod 14 has ring section of thick bamboo 15, the welding has heat conduction piece 16 on the bottom outer wall of ring section of thick bamboo 15, and the axle center department of 1 top outer wall of circuit board has seted up spacing groove 2, the inside of spacing groove 2 agrees with chip body 3, and laminate mutually between the top outer wall of heat conduction piece 16 and chip body 3, spring 12 drives post 11 and slides along through-hole 10 under the effect of spacing dish 13, make post 11 drive heat conduction piece 16 through connecting rod 14 and press and hold at the top of chip body 3, fine stability that has promoted chip body 3, the convenience is dismantled and is installed simultaneously.

The utility model provides a further embodiment, as shown in fig. 1 and 2, set up the electrically conductive groove 5 that the equidistance is matrix-like structure and distributes on the bottom inner wall of spacing groove 2, and integrated into one piece has to be participating in 4 that is matrix-like structure and distributes on the bottom outer wall of chip body 3, participates in 4 and pegs graft in the inside of electrically conductive groove 5, and chip body 3 agrees with in the inside of spacing groove 2, fine promotion the stability of chip body 3 when spacing groove 2 is inside.

The utility model provides a another embodiment, as shown in fig. 1 and 3, the welding of the center department of the ring section of thick bamboo 15 inside wall has support 17, and the axle center department of support 17 installs heat dissipation fan 18 through the screw, and the filter screen 19 has all been welded to the top and the bottom of the ring section of thick bamboo 15 inside wall, and heat dissipation fan 18 arouses the air current to pass heat conduction piece 16 and evacuate the heat, fine promotion chip body 3's heat dispersion and radiating effect.

The utility model provides a still another embodiment, as shown in fig. 1 and fig. 2, the slot 6 that is equidistant structural distribution has been seted up on the bottom outer wall of circuit board 1, and the inside of slot 6 is pegged graft and is had inserted block 7, the welding has heat dissipation fin board 8 on the bottom outer wall of inserted block 7, inserted block 7 is pegged graft in the inside of slot 6 for heat dissipation fin board 8 is convenient for install and dismantles more, heat dissipation fin board 8 can evacuate the heat that electronic component produced on circuit board 1 simultaneously, fine promotion circuit board 1's radiating effect.

The utility model provides a still another embodiment, as shown in fig. 1 and fig. 2, protruding board 9 has all been welded to the bottom of the outer wall of radiating fin plate 8 both sides, and the central department of the outer wall of protruding board 9 top sets up the screw that is equidistant structure distribution, and the collocation use of protruding board 9 and screw for radiating fin plate 8 is convenient for more install fixedly through the screw.

The working principle is as follows: an operator firstly fits the chip body 3 in the limiting groove 2, the pins 4 are inserted in the conductive grooves 5, so that the chip body 3 and the circuit board 1 are electrically connected, then, the springs 12 drive the posts 11 to slide downwards along the through holes 10 under the action of the limiting disc 13, so that the posts 11 drive the heat-conducting blocks 16 to press and hold the top of the chip body 3 through the connecting rods 14 and the annular cylinders 15, the stability of the chip body 3 is well improved, meanwhile, the chip body 3 is convenient to detach and install, when the chip body 3 is pressed and held by the heat-conducting blocks 16, heat generated by the chip body 3 is transferred to the heat-conducting blocks 16, the heat-radiating fans 18 drive airflow to penetrate through the heat-conducting blocks 16 to evacuate the heat, the heat radiating performance and the heat radiating effect of the chip body 3 are well improved, finally, the inserts the inserting blocks 7 in the slots 6 by the operator, so that the heat-radiating fin plates 8 are more convenient to install and detach, meanwhile, the heat-radiating fin plates 8 can evacuate the heat generated by electronic elements on the circuit board 1, the heat-radiating effect of the circuit board 1 is well improved, and the service life of the electronic elements on the circuit board 1 is prolonged.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims (5)

1. The utility model provides a LCD liquid crystal display driver chip, includes circuit board (1), its characterized in that, through-hole (10) have all been seted up all around to circuit board (1) top outer wall, and the inside grafting of through-hole (10) has post (11), the bottom welding of post (11) has spacing dish (13), and the welding has spring (12) of cup jointing in post (11) outside on the top outer wall of spacing dish (13), the top welding of post (11) has connecting rod (14) that are the distribution of alternating expression structure, and the axle center department welding of connecting rod (14) has ring section of thick bamboo (15), the welding has heat conduction piece (16) on the bottom outer wall of ring section of thick bamboo (15), and the axle center department of circuit board (1) top outer wall has seted up spacing groove (2), the inside agrees with chip body (3) of spacing groove (2), and laminates mutually between the top outer wall of heat conduction piece (16) and chip body (3).

2. The LCD driving chip of claim 1, wherein the inner wall of the bottom of the limiting groove (2) is provided with conductive grooves (5) distributed in a matrix structure at equal intervals, and the outer wall of the bottom of the chip body (3) is integrally formed with pins (4) distributed in a matrix structure, and the pins (4) are inserted into the conductive grooves (5).

3. The LCD driving chip of claim 1, wherein a support (17) is welded at the center of the inner side wall of the ring cylinder (15), a heat dissipation fan (18) is installed at the axis of the support (17) through a screw, and a filter screen (19) is welded at the top and the bottom of the inner side wall of the ring cylinder (15).

4. The LCD driving chip according to claim 1, wherein the bottom outer wall of the circuit board (1) is provided with slots (6) distributed in an equidistant structure, the slots (6) are internally inserted with insertion blocks (7), and the bottom outer wall of the insertion blocks (7) is welded with heat dissipation fin plates (8).

5. The LCD driver chip of claim 4, wherein the heat sink fin plate (8) has a flange (9) welded to the bottom of the outer wall at both sides, and the top of the flange (9) has screw holes at the center of the outer wall at the top.

Images