CN213109168U

CN213109168U - Backlight structure for vehicle

Info

Publication number: CN213109168U
Application number: CN202021659718.9U
Authority: CN
Inventors: 陶莉; 杨小云; 陈小娟
Original assignee: Nanjing Dihua Photoelectric Co ltd
Current assignee: Nanjing Dihua Photoelectric Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-05-04
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a backlight structure for vehicle, including installation shell, air-cooled heat dissipation module, water-cooled heat dissipation module and PCB module board, the installation shell is hollow structure, the upside joint of installation shell has the display screen, the downside of display screen is provided with the backlight backplate subassembly with installation shell inner wall fixed connection, the downside of backlight backplate subassembly is provided with the backlight, the downside of backlight is provided with and is used for radiating first heat-conducting plate, fixed connection between first heat-conducting plate and the installation shell, air-cooled heat dissipation module includes the frustum heat conduction piece, the air inlet motor and the motor of airing exhaust of keeping away from one side fixed connection of backlight with first heat-conducting plate. The utility model discloses an air-cooled heat dissipation module, the water-cooled heat dissipation module that set up, the heat that the during operation backlight produced can discharge for this device has longer life.

Description

Backlight structure for vehicle

Technical Field

The utility model relates to a backlight technical field especially relates to a backlight structure for vehicle.

Background

The vehicle instrument is an indispensable device for vehicle safe driving and economic driving, and is an important interface for information communication between a driver and a vehicle, the conventional vehicle instrument generally comprises a dial plate and an LED display screen, and in order to light the dial plate and the LED display screen, backlight sources are generally respectively arranged for the dial plate and the LED display screen;

the LED display screen backlight source heat dissipation structure is used for dissipating heat and cooling the LED display screen backlight source, the LED display screen backlight source is a part of the liquid crystal panel, the liquid crystal panel can not emit light actively, the backlight can be used for displaying and emitting light, therefore, the LED display backlight is widely used in various electronic display devices to provide light source for the liquid crystal panel, the backlight source of the LED display screen generates high temperature when being electrified, so the heat dissipation structure of the backlight source of the LED display screen is required to conduct and dissipate the heat of the high temperature, the backlight source of the LED display screen can stably work and operate, and the heat dissipation structure of the backlight source of the LED display screen is greatly used along with the increase of the use demand of the backlight source of the LED display screen, however, the existing LED display screen backlight heat dissipation structure cannot meet the use requirement, so that an LED display screen backlight heat dissipation structure with more excellent heat dissipation and cooling effects is required; when LED display screen backlight heat radiation structure used, only stacking through the heat conduction paster usually connects, makes the heat derive, has reduced the effect of heat contact and transmission to can't carry out quick heat dissipation, secondly, the unable initiative production wind-force of traditional heat radiation structure cools off, only can dispel the heat through the contact of air, has resulted in the heat dissipation to give off slowly, thereby has resulted in the heat dissipation cooling effect poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a backlight source structure for a vehicle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a backlight source structure for a vehicle comprises an installation shell, an air-cooled heat dissipation module, a water-cooled heat dissipation module and a PCB module plate, wherein the installation shell is of a hollow structure, a display screen is clamped at the upper side of the installation shell, a backlight source backboard component fixedly connected with the inner wall of the installation shell is arranged at the lower side of the display screen, a backlight source is arranged at the lower side of the backlight source backboard component, a first heat conduction plate for heat dissipation is arranged at the lower side of the backlight source, the first heat conduction plate is fixedly connected with the installation shell, the air-cooled heat dissipation module comprises a frustum heat conduction block fixedly connected with one side of the first heat conduction plate, which is far away from the backlight source, an air inlet motor and an air exhaust motor, the number of the frustum heat conduction blocks is five, a heat conduction box is fixedly connected with the right side of the air inlet motor, the left side of the air inlet motor is fixedly connected with the inner, the utility model discloses a heat conduction case, including heat conduction case, drainage case, water tank, water-cooling heat dissipation module, air exhaust motor sets up in the right side of frustum heat conduction piece, water-cooling heat dissipation module includes heat conduction strip and water tank, the heat conduction strip sets up in the heat conduction incasement, the upside and the frustum heat conduction piece fixed connection of heat conduction case, the quantity of heat conduction strip is five and the interval sets up, the water filling port has been seted up to the upper right side of heat conduction case, the apopore has been seted up to the lower right side of heat conduction case, apopore department is provided with drainage motor, drainage motor leads to pipe and links to each other with the water tank, be provided with.

As a further aspect of the present invention: the frustum heat-conducting block is in a circular truncated cone shape.

As a further aspect of the present invention: the downside of air inlet motor is provided with dust removal board and active carbon adsorption board.

As a further aspect of the present invention: inclined plates which are obliquely arranged are arranged in the water tank.

As a further aspect of the present invention: and a PCB module board used for clamping the PCB is arranged on the left side of the mounting shell.

As a further aspect of the present invention: the PCB module board includes PCB board install bin, second dust removal board and clamp plate, the second draw-in groove has been seted up to the inside of PCB board install bin, the quantity of second draw-in groove is two, the clamp plate sets up in the second draw-in groove, one side of being close to the PCB board install bin of clamp plate is rotated and is connected with the threaded rod, the quantity of threaded rod is two, the threaded rod runs through PCB board install bin and rather than threaded connection, the one end fixedly connected with who presss from both sides the clamp plate is kept away from to the threaded rod rotates the head, set up the mounting groove that is used for joint second dust removal board on the install bin body, the upside of PCB board install bin is provided with the cardboard, the draw-in groove that is used for the chucking cardboard is seted up to the both sides of PCB board install bin, the reason line hole of convenient reason line is.

As a further aspect of the present invention: and the outer side of the threaded rod is sleeved with a threaded ring.

The utility model has the advantages that:

1. through the arranged air-cooling heat dissipation module and the water-cooling heat dissipation module, heat generated by the backlight source during working is conducted out through the first heat conduction plate, the air exhaust motor and the air inlet motor are started at the moment, the heat is discharged for the first time, the internal temperature is reduced, a part of heat is transmitted to the heat conduction strips through the frustum heat conduction blocks, the water pumping motor and the water drainage motor are started at the moment, water in the inclined plate flows out of the water outlet holes after passing through the channels between the heat conduction strips, the heat is taken away, and then the water enters the inclined plate through the connecting pipe for recycling, so that resources are saved;

2. through the inclined plate, water entering the water tank through the connecting pipe can fall into the bottom of the water tank through more routes, so that the water can be cooled more quickly;

3. through the PCB module board that sets up, when the PCB board is installed to needs, place the PCB board in the second draw-in groove, drive the clamp plate motion through rotating the threaded rod, with the PCB board tight, insert the mounting groove with the second dust removal board again in, with the cardboard card income draw-in groove, accomplish the installation, when the PCB board is changed to needs, the reverse rotation threaded rod, with hard with the cardboard deduction can.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a backlight structure for a vehicle;

FIG. 2 is a schematic block diagram of a backlight structure for a vehicle;

FIG. 3 is a schematic structural view of a frustum heat-conducting block of a backlight source structure for a vehicle;

FIG. 4 is a schematic view of a heat conducting strip structure of a backlight source structure for a vehicle;

FIG. 5 is a schematic diagram of a card board structure of a backlight source structure for a vehicle;

FIG. 6 is an exploded view of a card board structure of a backlight source structure for a vehicle;

fig. 7 is a partially enlarged view of a backlight structure for a vehicle.

In the figure: the mounting structure comprises a mounting shell 1, a display screen 2, a backlight source backboard component 3, a backlight source 4, a first heat conduction plate 5, an air-cooled heat dissipation module 6, a 601Z frustum heat conduction block, an air inlet motor 602, a dust removal plate 603, an active carbon adsorption plate 604, an air exhaust motor 605, a water-cooled heat dissipation module 7, a 701 heat conduction strip, a 702 heat conduction box, a 703 water injection port, a 704 inclined plate, a 705 water tank, an 8PCB module, a 801 clamping plate, an 802 second dust removal plate, a 803PCB mounting box, a 804 clamping groove, a 805 line arranging hole, a 806 second clamping groove, a 807 clamping plate, a 808 mounting groove, a 809 threaded rod and a 810 rotating head.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-4, a backlight structure for vehicle, including installing shell 1, air-cooled heat dissipation module 6, water-cooled heat dissipation module 7 and PCB module board 8, installing shell 1 is hollow structure, the upside joint of installing shell 1 has display screen 2, the downside of display screen 2 is provided with the backlight backplate subassembly 3 with installing shell 1 inner wall fixed connection, the downside of backlight backplate subassembly 3 is provided with backlight 4 to can provide the light source for display screen 2 at the during operation, the downside of backlight 4 is provided with and is used for radiating first heat-conducting plate 5, fixed connection between first heat-conducting plate 5 and installing shell 1, thus can derive a large amount of heats that will produce at backlight 4 during operation, discharge the heat through water-cooled heat dissipation module 7 and air-cooled heat dissipation module 6, air-cooled heat dissipation module 6 includes the frustum heat-conducting block 601 of keeping away from one side fixed connection of backlight 4 with first heat-conducting plate 5, The air cooling heat dissipation module comprises an air inlet motor 602 and an air exhaust motor 605, the number of frustum heat conduction blocks 601 is five, the right side of the air inlet motor 602 is fixedly connected with a heat conduction box 702, the left side of the air inlet motor 602 is fixedly connected with the inner wall of the installation shell 1, the right side of the heat conduction box 702 is fixedly connected with the installation shell 1, the air exhaust motor 605 is arranged on the right side of the frustum heat conduction blocks 601, the water cooling heat dissipation module 7 comprises heat conduction strips 701 and water tanks 705, the heat conduction strips 701 are arranged in the heat conduction box 702, the upper side of the heat conduction box 702 is fixedly connected with the frustum heat conduction blocks 601, so that partial heat can be led into the heat conduction box 702, the heat conduction strips 701 are five and arranged at intervals, so that an S-shaped channel is formed, the right upper side of the heat conduction box 702 is provided with a water injection port 703, the right lower side of the heat conduction box 702 is provided with a water outlet hole, and, the water discharging motor is connected with a water tank 705 through a water pipe, a water pumping motor is arranged in the water tank 705, and the water pumping motor is connected with the water filling port 703 through a connecting pipe; the working principle is as follows: the heat that backlight 4 during operation produced passes through first heat-conducting plate 5 and derives, opens air exhaust motor 605 and air inlet motor 602 this moment, discharges the heat for the first time, reduces inside temperature, and some heat transmits to through frustum heat-conducting block 601. On the heat conduction strip 701, open the motor of drawing water and drainage motor this moment for hydroenergy in the swash plate 704 flows out from the apopore after passing through the passageway between the heat conduction strip 701, takes away the heat, carries out reuse in getting into swash plate 704 through the connecting pipe afterwards, resources are saved.

Furthermore, the frustum heat-conducting block 601 is in a shape of a circular truncated cone, so that the contact area with air can be increased, and a better heat dissipation effect is achieved.

Furthermore, a dust removing plate 603 and an activated carbon adsorption plate 604 are disposed at a lower side of the air intake motor 602, so that impurities and dust in the sucked air can be adsorbed.

Preferably, inclined plates 704 are disposed in the water tank 705 to be inclined to each other, so that water introduced into the water tank 705 through the connection pipe can fall into the bottom of the water tank 705 over more distance, and thus the water can be cooled more quickly.

Example 2

Referring to fig. 1 to 7, in this embodiment, compared with embodiment 1, the backlight source structure for a vehicle further includes a PCB module board 8 disposed on the left side of the mounting case 1 and used for clamping a PCB, where the PCB module board 8 includes a PCB board mounting case 803, a second dust-removing plate 802 and a clamping plate 807, a second clamping groove 806 used for clamping the PCB is disposed inside the PCB board mounting case 803, the number of the second clamping groove 806 is two, the clamping plate 807 is disposed inside the second clamping groove 806, a threaded rod 809 is rotatably connected to one side of the clamping plate 807 close to the PCB board mounting case 803, the number of the threaded rod 809 is two, the threaded rod 809 penetrates through the PCB board mounting case 803 and is in threaded connection therewith, so that the clamping plate 807 can be driven to move by rotation of the threaded rod 809 to clamp the PCB board, and a rotating head 810 is fixedly connected to one end of the threaded rod 809 far away from the clamping plate 807, therefore, the threaded rod 809 is convenient to rotate, the body of the PCB mounting box 803 is provided with a mounting groove 808 for clamping the second dust removing plate 802, the upper side of the PCB mounting box 803 is provided with a clamping plate 801, two sides of the PCB mounting box 803 are provided with clamping grooves 804 for clamping the clamping plate 801, and the back of the PCB mounting box 803 is provided with a wire arranging hole 805 for facilitating wire arrangement; the working principle is as follows: when the PCB needs to be installed, the PCB is placed in the second clamping groove 806, the threaded rod 809 is rotated to drive the clamping plate 807 to move, the PCB is clamped tightly, the second dust removing plate 802 is inserted into the mounting groove 808, the clamping plate 801 is clamped into the clamping groove 804, installation is completed, when the PCB needs to be replaced, the threaded rod 809 rotates reversely, and the clamping plate 801 is deducted forcibly.

Further, the threaded rod 809 is sleeved with a thread ring at the outer side thereof, so that friction can be increased when the threaded rod is rotated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A backlight source structure for a vehicle comprises an installation shell (1), an air-cooled heat dissipation module (6), a water-cooled heat dissipation module (7) and a PCB module board (8), and is characterized in that the installation shell (1) is of a hollow structure, a display screen (2) is clamped on the upper side of the installation shell (1), a backlight source backboard component (3) fixedly connected with the inner wall of the installation shell (1) is arranged on the lower side of the display screen (2), a backlight source (4) is arranged on the lower side of the backlight source backboard component (3), a first heat conduction plate (5) is arranged on the lower side of the backlight source (4), the first heat conduction plate (5) is fixedly connected with the installation shell (1), the air-cooled heat dissipation module (6) comprises a frustum heat conduction block (601) fixedly connected with the side of the first heat conduction plate (5) far away from the backlight source (4), an air inlet motor (602) and an air exhaust motor (605, the air-cooling heat dissipation device is characterized in that the number of the frustum heat conduction blocks (601) is five, the right side of the air inlet motor (602) is fixedly connected with a heat conduction box (702), the left side of the air inlet motor (602) is fixedly connected with the inner wall of the installation shell (1), the right side of the heat conduction box (702) is fixedly connected with the installation shell (1), the air exhaust motor (605) is arranged on the right side of the frustum heat conduction blocks (601), the water-cooling heat dissipation module (7) comprises heat conduction strips (701) and a water tank (705), the heat conduction strips (701) are arranged in the heat conduction box (702), the upper side of the heat conduction box (702) is fixedly connected with the frustum heat conduction blocks (601), the heat conduction strips (701) are five and arranged at intervals, the upper right side of the heat conduction box (702) is provided with a water injection port (703), the lower right side of the heat conduction box (702) is provided with a water outlet, and the water outlet is provided with a, the water discharging motor is connected with a water tank (705) through a water pipe, a water pumping motor is arranged in the water tank (705), and the water pumping motor is connected with a water filling port (703) through a connecting pipe.

2. The backlight structure for a vehicle according to claim 1, wherein the frustum heat-conducting block (601) has a shape of a truncated cone.

3. The backlight structure for vehicle as claimed in claim 1, wherein a dust removing plate (603) and an activated carbon adsorption plate (604) are provided on a lower side of the air intake motor (602).

4. The backlight structure for a vehicle according to claim 1, wherein sloping plates (704) are provided in the water tank (705) so as to be inclined to each other.

5. The backlight structure for vehicle as claimed in claim 1, wherein a PCB module board (8) is provided on the left side of the mounting case (1).

6. The backlight source structure for the vehicle as claimed in claim 1, wherein the PCB module board (8) comprises a PCB mounting box (803), a second dust-removing board (802) and a clamping board (807), a second clamping groove (806) is formed in the PCB mounting box (803), the number of the second clamping groove (806) is two, the clamping board (807) is arranged in the second clamping groove (806), a threaded rod (809) is rotatably connected to one side of the clamping board (807) close to the PCB mounting box (803), the number of the threaded rod (809) is two, the threaded rod (809) penetrates through the PCB mounting box (803) and is in threaded connection with the PCB mounting box, a rotating head (810) is fixedly connected to one end of the threaded rod (809) far away from the clamping board (807), a mounting groove (808) for clamping the second dust-removing board (802) is formed in the PCB mounting box (803), the upper side of the PCB mounting box (803) is provided with a clamping plate (801), the two sides of the PCB mounting box (803) are provided with clamping grooves (804), and the back of the PCB mounting box (803) is provided with a wire arranging hole (805).

7. The backlight structure for vehicle as claimed in claim 6, wherein the threaded rod (809) is externally sleeved with a threaded ring.