CN216527821U

CN216527821U - Vehicle-mounted display device for reducing temperature of touch screen

Info

Publication number: CN216527821U
Application number: CN202123271627.5U
Authority: CN
Inventors: 赖小波; 曹俊威; 刘子平; 冯超
Original assignee: Shenzhen Hadbest Electronics Co ltd
Current assignee: Shenzhen Hadbest Electronics Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-13
Anticipated expiration: 2031-12-23

Abstract

The utility model provides a vehicle-mounted display device for reducing the temperature of a touch screen, which comprises an iron frame, a touch panel and a light bar, wherein the iron frame comprises a bottom plate and a side frame fixedly connected to the bottom plate, the touch panel is fixedly connected to the side frame, an accommodating cavity is formed between the bottom plate and the side frame, a rib plate is fixedly connected to the bottom plate, a heat dissipation gap is formed between the rib plate and the side frame, and the light bar is arranged in the accommodating cavity and fixedly connected to the side face, far away from the heat dissipation gap, of the rib plate. The vehicle-mounted display device capable of reducing the temperature of the touch screen can effectively reduce the touch hand feeling temperature of the touch panel, improve the use experience of customers and prolong the service life of the touch panel.

Description

Vehicle-mounted display device for reducing temperature of touch screen

Technical Field

The utility model relates to the technical field of display screens, in particular to a vehicle-mounted display device for reducing the temperature of a touch screen.

Background

The intelligent social display screen is more and more widely applied, and along with more and more automobiles having more and more strict requirements on touch feeling and temperature reduction of the panel of the whole automobile, the electric vehicle and the automatic driving are applied, and the demand of vehicle-mounted electronic products is steadily increased. More and more automobiles require to reduce the touch control hand feeling temperature of the whole panel, and the conventional vehicle-mounted module is directly adhered to the side wall of the iron frame, so that the temperature control requirement of the vehicle-mounted touch screen is more and more not met.

Fig. 1 is a schematic view of a local overlooking structure of an iron frame, a light bar and a light guide plate in the prior art, as shown in fig. 1, a conventional die-casting vehicle-mounted backlight module FPC-LED light bar 22 is usually directly adhered to a side wall of the iron frame 21 through a heat-conducting double-sided adhesive tape 24, an end portion of a light incident side of a light guide plate 23 abuts against the light bar 22, since the light bar 22 is a heating body, a very high temperature can be generated in a lighting process, if the light bar 22 is directly adhered to a side wall of the iron frame 21, heat generated by the LED light in the light bar 22 can be rapidly transferred to the side wall of the iron frame 21, and the side wall of the iron frame 21 and FOG liquid crystal glass are directly adhered through the double-sided adhesive tape, the heat can be transferred to the surface of FOG liquid crystal glass through the iron frame 21, so that the touch temperature of the whole panel is high, and the comfort of touch is affected.

SUMMERY OF THE UTILITY MODEL

In view of this, the vehicle-mounted display device for reducing the temperature of the touch screen can effectively reduce the touch feeling temperature of the touch panel, improve the use experience of customers, and prolong the service life of the touch panel.

The utility model provides a reduce on-vehicle display device of touch-control screen temperature, includes chase, touch panel and lamp strip, and the chase includes bottom plate and fixed connection in the side frame of bottom plate, and touch panel fixed connection forms the holding chamber between bottom plate and the side frame on the bottom plate, and fixedly connected with gusset is formed with the heat dissipation clearance between gusset and the side frame, and the holding intracavity is located to the lamp strip to fixed connection keeps away from the side in heat dissipation clearance in the gusset.

In the utility model, the rib plate comprises a first side surface and a second side surface which are oppositely arranged, a heat dissipation gap is formed between the first side surface and the side frame, and the light bar is fixedly connected to the second side surface.

In the utility model, the light bar comprises a light source section, a connecting section and an extending section, one end of the connecting section is fixedly connected to the light source section, the other end of the connecting end is fixedly connected to the extending section, the light source section is fixedly connected to the second side face through an adhesive tape, the connecting section is fixedly connected to the inner wall of the side frame, and the extending section is arranged outside the accommodating cavity.

In the utility model, the length of the rib plate is less than or equal to that of the light source section.

In the utility model, the rib plate is provided with a positioning block, the positioning block is fixedly connected to the second side surface, the light source section is provided with a positioning hole which is arranged corresponding to the positioning block, and the positioning block and the positioning hole are matched and fixedly connected with the light source section and the rib plate.

In the utility model, the rib plate comprises a first fixing part and a second fixing part, the first fixing part and the second fixing part are arranged at intervals along the long axis direction of the side frame, one end of the light source section is fixedly connected to the first fixing part, and the other end of the light source section is fixedly connected to the second fixing part.

In the utility model, the heat dissipation gap is provided with a heat insulation layer, the heat insulation layer and the light source section are arranged oppositely, and the heat insulation layer is fixedly connected between the first side face and the side frame.

In the utility model, the vehicle-mounted display device for reducing the temperature of the touch screen further comprises liquid crystal glass, the liquid crystal glass is fixedly connected to the touch panel, and the liquid crystal glass is arranged on one side, close to the accommodating cavity, of the touch panel.

In the utility model, the vehicle-mounted display device for reducing the temperature of the touch screen further comprises a middle frame, the middle frame is provided with a mounting hole, the outer wall of the side frame is provided with a mounting block, and the mounting block is matched with the mounting hole to fixedly connect the middle frame and the iron frame.

In the utility model, the vehicle-mounted display device for reducing the temperature of the touch screen further comprises a reflecting film, a light guide plate and an optical film, wherein the reflecting film is fixedly connected to the bottom plate, the light guide plate is fixedly connected to the reflecting film, and the optical film is fixedly connected to the light guide plate.

According to the vehicle-mounted display device for reducing the temperature of the touch screen, the rib plates for fixing the light bar are arranged in the iron frame, and the rib plates and the iron frame are arranged at intervals, so that when the light bar works, heat is directly dissipated from heat dissipation gaps between the rib plates and the iron frame, the touch feeling temperature of the touch panel is reduced, the service life of the touch panel is prolonged, and the use experience of a user is improved.

Drawings

Fig. 1 is a schematic view of a partial top view structure of an iron frame, a light bar and a light guide plate in the prior art.

Fig. 2 is a schematic top view of the iron frame, the light bar and the light guide plate according to the first embodiment of the utility model.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.

Fig. 4 is a schematic partial sectional structural diagram of the vehicular display apparatus for reducing the temperature of the touch screen according to the first embodiment of the utility model.

Fig. 5 is a schematic diagram of a disassembled structure of the vehicle-mounted display device for reducing the temperature of the touch screen according to the first embodiment of the utility model.

Fig. 6 is a schematic partial sectional structural diagram of an in-vehicle display device for reducing the temperature of a touch screen according to a second embodiment of the utility model.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In order to facilitate understanding of those skilled in the art, the present application provides a specific implementation process of the technical solution provided by the present application through the following embodiments.

First embodiment

Fig. 2 is a schematic top view structure diagram of a first embodiment of the utility model, where an iron frame, a light bar and a light guide plate are matched, fig. 3 is an enlarged structure diagram at a position a in fig. 2, fig. 4 is a schematic partial cross-sectional structure diagram of a vehicle-mounted display device for reducing a temperature of a touch screen according to a first embodiment of the utility model, as shown in fig. 2, fig. 3 and fig. 4, the vehicle-mounted display device for reducing a temperature of a touch screen includes an iron frame 11, a touch panel 12 and a light bar 13, the iron frame 11 includes a bottom plate 111 and a side frame 112 fixedly connected to the bottom plate 111, the touch panel 12 is fixedly connected to the side frame 112, an accommodating cavity 101 is formed between the bottom plate 111 and the side frame 112, a rib 113 is fixedly connected to the bottom plate 111, a heat dissipation gap 102 is formed between the rib 113 and the side frame 112, and the light bar 13 is disposed in the accommodating cavity 101 and fixedly connected to a side surface of the rib 113 far from the heat dissipation gap 102. In the present embodiment, the on-vehicle display device is, for example, a high-end on-vehicle instrument, an on-vehicle center 16 display, an on-vehicle drive recorder, an on-vehicle DVD navigation, or an on-vehicle streaming rear view mirror, but is not limited thereto.

According to the vehicle-mounted display device for reducing the temperature of the touch screen, the rib plate 113 for fixing the light bar 13 is arranged in the iron frame 11, and the rib plate 113 and the iron frame 11 are arranged at intervals, so that when the light bar 13 works, the heat dissipation gap 102 between the rib plate 113 and the iron frame 11 directly dissipates heat, the touch feeling temperature of the touch panel 12 is reduced, the service life of the touch panel 12 is prolonged, and the use experience of a user is increased.

Further, rib plate 113 includes first side 1131 and second side 1132 that relative setting, and heat dissipation clearance 102 is formed by between first side 1131 and side frame 112, and lamp strip 13 fixed connection is in second side 1132. In this embodiment, the iron frame 11 includes a first side plate 1121, a second side plate 1122, a third side plate 1123, and a fourth side plate 1124, the first side plate 1121 and the third side plate 1123 are disposed opposite to each other, the second side plate 1122 and the fourth side plate 1124 are disposed opposite to each other, the first side plate 1121, the third side plate 1123 are vertically connected to the second side plate 1122 and the fourth side plate 1124, and the rib plate 113 is disposed opposite to the first side plate 1121.

Fig. 5 is a schematic view of a disassembled structure of the vehicle-mounted display device for reducing the temperature of the touch screen according to the first embodiment of the utility model, as shown in fig. 3, fig. 4 and fig. 5, the light bar 13 includes a light source section 131, a connecting section 132 and an extending section 133, one end of the connecting section 132 is fixedly connected to the light source section 131, the other end of the connecting end is fixedly connected to the extending section 133, the light source section 131 is fixedly connected to the second side surface 1132 through an adhesive tape, the connecting section 132 is fixedly connected to the inner wall of the side frame 112, and the extending section 133 is disposed outside the accommodating cavity 101. In the present embodiment, the connecting section 132 is fixed on the inner wall of the second side plate 1122 through the double-sided thermal tape, a via hole (not shown) is formed on the bottom plate 111, and the extending section 133 extends out of the accommodating cavity 101 through the via hole.

Further, the length of the rib 113 is less than or equal to the length of the light source segment 131.

Further, the rib plate 113 is provided with a plurality of positioning blocks (not shown), the positioning blocks are fixedly connected to the second side surface 1132, the light source section 131 is provided with positioning holes (not shown) corresponding to the positioning blocks, and the positioning blocks and the positioning holes are matched to fixedly connect the light source section 131 and the rib plate 113. In this embodiment, the locating piece is located the both ends of light source section 131, or the locating piece is located between two adjacent light sources, avoids causing interference phenomenon to the light source, and the combination of locating piece and double faced adhesive tape can make the more firm fixing of light source section 131 on gusset 113, avoids on-vehicle display device to produce not hard up abnormal sound because of the vibration in the use, improves user's use and experiences.

Further, the vehicle-mounted display device for reducing the temperature of the touch screen further comprises liquid crystal glass 15, the liquid crystal glass 15 is fixedly connected to the touch panel 12, and the liquid crystal glass 15 is arranged on one side, close to the accommodating cavity 101, of the touch panel 12.

Further, the vehicle-mounted display device for reducing the temperature of the touch screen further comprises a middle frame 16, the middle frame 16 is provided with a mounting hole (not shown), the outer wall of the side frame 112 is provided with a mounting block (not shown), and the mounting block and the mounting hole are matched to fixedly connect the middle frame 16 and the iron frame 11. In this embodiment, the middle frame 16 is provided with a carrying platform, the touch panel 12 is disposed between the glass cover and the middle frame 16, and the carrying platform is used for carrying the touch panel 12 to prevent the touch panel 12 from falling off.

Further, the vehicle-mounted display device for reducing the temperature of the touch screen further comprises a reflection film 17, a light guide plate 18 and an optical diaphragm, wherein the reflection film 17 is fixedly connected to the bottom plate 111, the light guide plate 18 is fixedly connected to the reflection film 17, and the optical diaphragm is fixedly connected to the light guide plate 18. In the present embodiment, the light guide plate 18 is fixedly attached to the light guide plate 18 by a double-sided adhesive tape, and the optical film is fixedly attached to the light guide plate 18 by a double-sided adhesive tape.

Further, the optical film comprises a diffusion film 191, a brightness enhancement film 192 and a brightness enhancement film 193, wherein the diffusion film 191 is fixedly connected to the light guide film through a double-faced adhesive tape, the brightness enhancement film 192 is fixedly connected to the diffusion film 191 through a double-faced adhesive tape, and the brightness enhancement film 193 is fixedly connected to the brightness enhancement film 192 through a double-faced adhesive tape.

Second embodiment

Fig. 6 is a schematic partial cross-sectional structural view of a touch screen temperature reduction vehicle-mounted display device according to a second embodiment of the utility model, and as shown in fig. 6, the touch screen temperature reduction vehicle-mounted display device of the present embodiment is substantially the same in structure as the touch screen temperature reduction vehicle-mounted display device of the first embodiment, and is different in structure of the heat dissipation gap 102.

Further, the heat dissipation gap 102 is provided with a heat insulation layer 14, the heat insulation layer 14 is disposed opposite to the light source section 131, and the heat insulation layer 14 is fixedly connected between the first side surface 1131 and the side frame 112. In the present embodiment, the heat insulation layer 14 is fixedly connected to the first side surface 1131 and/or the inner wall of the first side plate 1121 by an adhesive tape, the heat insulation layer 14 is used to reduce heat transfer of the light bar 13 to the touch panel on the side frame 112, and the material of the heat insulation layer 14 is, for example, but not limited to, foam or the like.

Third embodiment

The vehicle-mounted display device for reducing the temperature of the touch screen of the present embodiment is substantially the same in structure as the vehicle-mounted display device for reducing the temperature of the touch screen of the first embodiment, and the difference is that the rib plate 113 has a different structure.

Further, the rib 113 includes a first fixing portion and a second fixing portion, the first fixing portion and the second fixing portion are disposed at an interval along the long axis direction of the side frame 112, one end of the light source section 131 is fixedly connected to the first fixing portion, and the other end of the light source section 131 is fixedly connected to the second fixing portion. In this embodiment, one end of the light source segment 131 is fixedly connected to the first fixing portion, and the other end of the light source segment 131 is fixedly connected to the second fixing portion, and the light source segment can be fixedly connected to the second fixing portion through the double-sided heat conductive adhesive tape, or the double-sided heat conductive adhesive tape and the positioning block and the positioning hole, but not limited thereto.

The present invention is not limited to the specific details of the above-described embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.

Claims

1. The utility model provides a reduce on-vehicle display device of touch-control screen temperature, characterized in that, includes chase (11), touch panel (12) and lamp strip (13), chase (11) include bottom plate (111) and fixed connection in side frame (112) of bottom plate (111), touch panel (12) fixed connection be in on side frame (112), bottom plate (111) with form holding chamber (101) between side frame (112), fixedly connected with gusset (113) on bottom plate (111), gusset (113) with be formed with heat dissipation clearance (102) between side frame (112), lamp strip (13) are located in holding chamber (101) to fixed connection in gusset (113) are kept away from the side of heat dissipation clearance (102).

2. The vehicle-mounted display device capable of reducing the temperature of the touch screen according to claim 1, wherein the rib plate (113) comprises a first side surface (1131) and a second side surface (1132) which are arranged oppositely, the heat dissipation gap (102) is formed between the first side surface (1131) and the side frame (112), and the light bar (13) is fixedly connected to the second side surface (1132).

3. The vehicle-mounted display device capable of reducing the temperature of the touch screen as claimed in claim 2, wherein the light bar (13) comprises a light source section (131), a connecting section (132) and an extending section (133), one end of the connecting section (132) is fixedly connected to the light source section (131), the other end of the connecting end is fixedly connected to the extending section (133), the light source section (131) is fixedly connected to the second side surface (1132) through an adhesive tape, the connecting section (132) is fixedly connected to the inner wall of the side frame (112), and the extending section (133) is disposed outside the accommodating cavity (101).

4. The vehicle-mounted display device for reducing the temperature of the touch screen according to claim 3, wherein the length of the rib plate (113) is less than or equal to the length of the light source section (131).

5. The vehicle-mounted display device for reducing the temperature of the touch screen according to claim 4, wherein the rib plate (113) is provided with a positioning block, the positioning block is fixedly connected to the second side surface (1132), the light source section (131) is provided with a positioning hole corresponding to the positioning block, and the positioning block and the positioning hole are matched and fixedly connected with the light source section (131) and the rib plate (113).

6. The vehicle-mounted display device for reducing the temperature of the touch screen according to claim 3, wherein the rib plate (113) comprises a first fixing portion and a second fixing portion, the first fixing portion and the second fixing portion are arranged at intervals along the long axis direction of the side frame (112), one end of the light source section (131) is fixedly connected to the first fixing portion, and the other end of the light source section (131) is fixedly connected to the second fixing portion.

7. The touch screen temperature reduction vehicle-mounted display device according to claim 3, wherein the heat dissipation gap (102) is provided with a heat insulation layer (14), the heat insulation layer (14) is arranged opposite to the light source section (131), and the heat insulation layer (14) is fixedly connected between the first side surface (1131) and the side frame (112).

8. The vehicle-mounted display device for reducing the temperature of the touch screen according to claim 1, further comprising a liquid crystal glass (15), wherein the liquid crystal glass (15) is fixedly connected to the touch panel (12), and the liquid crystal glass (15) is disposed on one side of the touch panel (12) close to the accommodating cavity (101).

9. The on-vehicle display device for reducing the temperature of the touch screen according to any one of claims 1 to 8, further comprising a middle frame (16), wherein the middle frame (16) is provided with a mounting hole, the outer wall of the side frame (112) is provided with a mounting block, and the mounting block is matched with the mounting hole to fixedly connect the middle frame (16) and the iron frame (11).

10. The touch screen temperature reduction vehicle-mounted display device according to claim 9, further comprising a reflective film (17), a light guide plate (18), and an optical film, wherein the reflective film (17) is fixedly connected to the bottom plate (111), the light guide plate (18) is fixedly connected to the reflective film (17), and the optical film is fixedly connected to the light guide plate (18).