CN218228860U

CN218228860U - Vehicle-mounted liquid crystal screen

Info

Publication number: CN218228860U
Application number: CN202222265484.5U
Authority: CN
Inventors: 刘永红; 谌全权; 刘向荣
Original assignee: Shenzhen Lebo Industrial Co ltd
Current assignee: Shenzhen Lebo Industrial Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-06
Anticipated expiration: 2032-08-26

Abstract

The utility model belongs to the technical field of the on-vehicle LCD screen technique and specifically relates to indicate an on-vehicle LCD screen, including the LCD screen casing, LCD screen display panel, mainboard and hou gai, the louvre has been seted up to both ends face about the LCD screen casing, the front end fixedly connected with mainboard of back lid, both ends are provided with the conducting strip about the mainboard, the one end that the mainboard was kept away from to the conducting strip is provided with the fin, the inside fixedly connected with electric telescopic handle of primary shaft bearing, electric telescopic handle's output fixedly connected with connecting seat, the one end fixedly connected with closure plate of fin is kept away from to the connecting seat, the LCD screen casing is located the front end of back lid, the mainboard is located between LCD screen casing and the back lid. The utility model discloses simple structure, when the mainboard is out of work, through sealing the louvre, can make the inside that external dust can not easy enter into the LCD screen casing to play the purpose of protection mainboard, and then improved the life of LCD screen.

Description

Vehicle-mounted liquid crystal screen

Technical Field

The utility model relates to an on-vehicle LCD screen technical field especially relates to an on-vehicle LCD screen.

Background

The vehicle-mounted display screen is a device which is arranged on an automobile and is manufactured by using a special power supply, a control card and a unit board and used for displaying characters, pictures, animation and videos through dot matrix lighting and extinguishing.

On-vehicle LCD screen is at the during operation, the inside mainboard of LCD screen can produce a large amount of heats, and these heats can drift out through the louvre to play radiating purpose, however, the mainboard is when out of work, and the louvre still exposes in the external world, and at this moment external dust can enter into inside the LCD screen through the louvre, can lead to a large amount of dusts to pile up for a long time, and then makes the mainboard damage, has reduced the life of LCD screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an on-vehicle liquid crystal display.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an on-vehicle LCD screen, includes LCD screen casing, LCD screen display panel, mainboard and hou gai, the louvre has been seted up to both ends face about the LCD screen casing, the inside fixedly connected with LCD screen display panel and the primary shaft bearing of LCD screen casing, the front end fixedly connected with mainboard of back lid, both ends are provided with the conducting strip about the mainboard, the one end that the mainboard was kept away from to the conducting strip is provided with the fin, the inside fixedly connected with electric telescopic handle of primary shaft bearing, electric telescopic handle's output fixedly connected with connecting seat, the one end fixedly connected with closure plate of fin is kept away from to the connecting seat, the LCD screen casing is located the front end of back lid, the mainboard is located between LCD screen casing and the back lid.

As a further description of the above technical solution: the liquid crystal display screen comprises a liquid crystal display screen shell, and is characterized in that a guide rod is fixedly connected inside the liquid crystal display screen shell, second bearing seats are fixedly connected to the front end and the rear end of the sealing plate, the second bearing seats are connected with the guide rod in a sliding mode, and the sealing plate can stably move under the action of the guide rod during operation.

As a further description of the above technical solution: the front end of the rear cover is fixedly connected with a positioning column, the rear end face of the liquid crystal screen shell is provided with a positioning hole, the positioning column is in sliding connection with the positioning hole, and the positioning column and the positioning hole play a role in positioning during operation, so that the liquid crystal screen shell is conveniently connected with the rear cover in an installing mode.

As a further description of the above technical solution: the sealing plate faces the heat dissipation holes, the size of the sealing plate is larger than that of the heat dissipation holes, when the sealing plate works, the two sealing plates are spliced together to completely shield the heat dissipation holes, and therefore when the main board does not work, the shielding plate completely seals the shielding plate, and entering of external dust is reduced.

As a further description of the above technical solution: a layer of fluorescent film is pasted on the front end face of the liquid crystal display panel, and the fluorescent film can be bright at night when the liquid crystal display panel works, so that a driver can use the liquid crystal display panel at night conveniently.

The utility model discloses following beneficial effect has:

compared with the prior art, this on-vehicle LCD screen makes two shielding plates be close to each other through starting electric telescopic handle, when two shielding plates removed the contact of each other, electric telescopic handle closed, and the closed louvre that the existence of shielding plate can be complete when the mainboard is out of work, through closing the louvre, can make the inside that external dust can not enter into the LCD screen casing easily to play the purpose of protection mainboard, and then improved the life of LCD screen.

Drawings

Fig. 1 is a schematic view of an overall structure of a vehicle-mounted liquid crystal display panel according to the present invention;

fig. 2 is a schematic view of a rear view structure of the vehicle-mounted liquid crystal display with the rear cover hidden;

fig. 3 is a schematic structural diagram of a vehicle-mounted liquid crystal display for main view splitting according to the present invention;

fig. 4 is a schematic view of a part of the structure of a vehicle-mounted liquid crystal display panel according to the present invention;

fig. 5 is an enlarged schematic structural diagram of a in fig. 4 of a vehicle-mounted liquid crystal display according to the present invention.

Illustration of the drawings:

1. a liquid crystal screen housing; 2. a liquid crystal screen display panel; 3. a rear cover; 4. heat dissipation holes; 5. a positioning column; 6. a main board; 7. a closing plate; 8. an electric telescopic rod; 9. a heat sink; 10. a heat conductive sheet; 11. a guide bar; 12. a connecting seat; 13. a first bearing housing; 14. positioning holes; 15. and a second bearing seat.

Detailed Description

The first embodiment is as follows:

referring to fig. 1-5, the utility model provides a pair of on-vehicle LCD screen: including LCD screen casing 1, LCD screen display panel 2, mainboard 6 and back lid 3, louvre 4 has been seted up to both ends face about LCD screen casing 1, LCD screen display panel 2 and primary shaft bearing 13 of inside fixedly connected with LCD screen of casing 1, the front end fixedly connected with mainboard 6 of back lid 3, both ends are provided with conducting strip 10 about mainboard 6, the one end that mainboard 6 was kept away from to conducting strip 10 is provided with fin 9, the existence of conducting strip 10 can absorb the heat that mainboard 6 produced on conducting strip 10, then the heat on conducting strip 10 is absorbed by fin 9 again, the heat that fin 9 absorbed is at last drifted out through louvre 4, so at the during operation, the heat that the integrated device produced can be under the effect of conducting strip 10 and fin 9, the louvre volatilizees away fast, and then play quick cooling's effect, prevent that the inside part of LCD screen from being damaged, play the purpose of protection LCD screen mainboard 6, the inside fixedly connected with electric telescopic handle 8 of primary shaft bearing 13, electric handle 8's output fixedly connected with connecting seat 12, connecting seat 12 keeps away from the one end fixedly connected with of fin 9, mainboard 6 when mainboard 6 can be close to the outside dust of the casing 4 that two closed covers and can make the trouble of the shield 3 and the shield cover of the trouble of the aforesaid, when the mainboard 4 can make contact between the liquid crystal screen casing, the outside dust of the closed cover can be started easily, when the mainboard 4 is closed shell of the closed cover can be close to the mainboard 4, the mainboard 4.

Example two, as shown in fig. 4 and 5: the inside fixedly connected with guide bar 11 of LCD screen casing 1, both ends fixedly connected with second bearing frame 15 around closing plate 7, second bearing frame 15 and guide bar 11 sliding connection, the during operation, under the effect of guide bar 11 for closing plate 7 can be stable remove.

Example three, as in fig. 2, 3: the front end fixedly connected with reference column 5 of back lid 3, locating hole 14 has been seted up to the rear end face of LCD screen casing 1, and reference column 5 and locating hole 14 sliding connection, the during operation, the existence of reference column 5 and locating hole 14 plays the effect of location, is convenient for LCD screen casing 1 and back lid 3 erection joint.

Example four, as in fig. 2: the sealing plate 7 faces the heat dissipation holes 4, the size of the two sealing plates 7 is larger than that of the heat dissipation holes 4, when the two sealing plates 7 are spliced together in work, the heat dissipation holes 4 can be completely shielded, and then when the main board 6 does not work, the shielding plates are completely sealed, so that the entering of external dust is reduced.

Example five, as in fig. 1, 3: a layer of fluorescent film is adhered to the front end face of the liquid crystal display panel 2, and the fluorescent film can be bright at night when the liquid crystal display panel works, so that a driver can use the liquid crystal display panel 2 at night conveniently.

The working principle is as follows:

use the utility model discloses the time, the integrated device is installed in the car, data that produce when mainboard 6 during operation can be demonstrateed by liquid crystal display panel 2, mainboard 6 work can produce the heat, the heat that mainboard 6 produced can be absorbed on conducting strip 10 to the existence of conducting strip 10, then the heat on the conducting strip 10 is absorbed by fin 9 again, fin 9 absorbed heat is at last through louvre 4 wafted out, at the during operation like this, the heat that the integrated device produced can be under the effect of conducting strip 10 and fin 9, volatilize away fast, and then play the effect of rapid cooling, prevent that the inside part of LCD screen from being damaged, play the purpose of protection LCD mainboard 6, and when mainboard 6 does not work again, can control electric telescopic handle 8 and start the louvre, electric telescopic handle 8 starts can make two closing plates 7 be close to each other, contact and shelter from 4 completely until two closing plates 7, when mainboard 6 is out of work like this, utilize the closing plate to seal louvre 4, external dust can not easily enter into liquid crystal display, thereby play the purpose in the casing of protection mainboard 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides an on-vehicle LCD screen, includes LCD screen casing (1), LCD screen display panel (2), mainboard (6) and back lid (3), its characterized in that: louvre (4) have been seted up to both ends face about LCD screen casing (1), inside fixedly connected with LCD screen display panel (2) and primary shaft bearing (13) of LCD screen casing (1), the front end fixedly connected with mainboard (6) of back lid (3), both ends are provided with conducting strip (10) about mainboard (6), the one end that mainboard (6) were kept away from in conducting strip (10) is provided with fin (9), the inside fixedly connected with electric telescopic handle (8) of primary shaft bearing (13), the output fixedly connected with connecting seat (12) of electric telescopic handle (8), the one end fixedly connected with closed plate (7) of fin (9) are kept away from in connecting seat (12), LCD screen casing (1) is located the front end of back lid (3), mainboard (6) are located between LCD screen casing (1) and back lid (3).

2. The vehicle-mounted liquid crystal display screen according to claim 1, wherein: the liquid crystal display screen is characterized in that a guide rod (11) is fixedly connected inside the liquid crystal display screen shell (1), second bearing seats (15) are fixedly connected to the front end and the rear end of the closing plate (7), and the second bearing seats (15) are connected with the guide rod (11) in a sliding mode.

3. The vehicle-mounted liquid crystal display screen according to claim 1, wherein: the front end of the rear cover (3) is fixedly connected with a positioning column (5), the rear end face of the liquid crystal screen shell (1) is provided with a positioning hole (14), and the positioning column (5) is in sliding connection with the positioning hole (14).

4. The vehicle-mounted liquid crystal display screen according to claim 1, wherein: the sealing plates (7) face the heat dissipation holes (4), and the size of the two sealing plates (7) is larger than that of the heat dissipation holes (4).

5. The vehicle-mounted liquid crystal display screen according to claim 1, wherein: and a fluorescent film is adhered to the front end face of the liquid crystal display panel (2).