CN215590634U

CN215590634U - Vehicle-mounted navigation display screen

Info

Publication number: CN215590634U
Application number: CN202122374404.5U
Authority: CN
Inventors: 廖本江; 欧灿
Original assignee: Shenzhen Oufengda Technology Co ltd
Current assignee: Shenzhen Oufengda Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-01-21
Anticipated expiration: 2031-09-28

Abstract

The application relates to the technical field of automobile accessories, in particular to a vehicle-mounted navigation display screen which comprises a shell, a touch screen connected to the shell and a display screen assembly arranged in the shell, wherein the shell comprises a face shell, a panel bracket connected to the face shell and a back shell connected to the panel bracket; the display screen assembly comprises a screen pressing bracket connected with the panel shell, a display screen arranged on one side of the screen pressing bracket close to the panel shell and a circuit board arranged on one side of the screen pressing bracket close to the panel bracket; the panel bracket is provided with a containing hole which can contain the circuit board, and the containing hole is communicated with the containing cavity. Better radiating effect can be realized to this application, reaches the purpose that promotes vehicle navigation display screen heat dispersion.

Description

Vehicle-mounted navigation display screen

Technical Field

The application relates to the technical field of auto parts, in particular to a vehicle navigation display screen.

Background

With the popularization of automobiles, the car audio-visual navigation system gradually becomes a standard accessory of the automobile, wherein the car navigation display screen is an important component in the car image navigation system. Specifically, the vehicle navigation display screen generally comprises a shell, a touch screen arranged on the shell, and a display screen assembly arranged in the shell; the touch screen is used for sensing touch operation of a user, and the display screen is used for displaying view content.

In the related art, the casing generally includes a front casing and a back casing which are matched with each other, the touch screen and the display screen assembly are mounted on the front casing, and the display screen is covered by the back casing; meanwhile, the shell is also provided with a connecting structure used for being connected with the vehicle body, so that the whole vehicle-mounted navigation display screen is fixed with the vehicle body by using the connecting structure.

Aiming at the related technology, when the vehicle navigation display screen is used, certain heat is generated by electronic elements in the display screen assembly due to work; the front shell and the back shell form a shell which covers the whole display screen assembly, and the generated heat is easily dissipated in the shell and then gradually discharged outwards, so that the heat dissipation performance of the vehicle navigation display screen is reduced.

SUMMERY OF THE UTILITY MODEL

In order to promote the heat dispersion of vehicle navigation display screen, this application provides a vehicle navigation display screen.

The application provides a vehicle navigation display screen adopts following technical scheme:

a vehicle navigation display screen comprises a shell, a touch screen connected to the shell and a display screen assembly arranged in the shell, wherein the shell comprises a face shell, a panel bracket connected to the face shell and a back shell connected to the panel bracket; the display screen assembly comprises a screen pressing bracket connected to the panel shell, a display screen arranged on one side of the screen pressing bracket close to the panel shell and a circuit board arranged on one side of the screen pressing bracket close to the panel bracket; the panel bracket is provided with a containing hole capable of containing the circuit board, and the containing hole is communicated with the containing cavity.

By adopting the technical scheme, in the assembled vehicle-mounted guiding display screen, the circuit board which is easy to heat is positioned in the accommodating hole, and correspondingly, the electronic element arranged on the circuit board can be accommodated in the accommodating cavity; when the vehicle-mounted guiding display screen is used, heat generated by electronic elements on the circuit board can be concentrated in the accommodating cavity more, and then the heat collected by the heat-radiating hole group communicated with the accommodating cavity on the back shell is used as a heat-radiating channel to radiate the collected heat. Compared with the heat and gradually outwards discharge again after dispersing in the casing, better radiating effect can be realized to this scheme, reaches the purpose that promotes vehicle navigation display screen heat dispersion promptly.

Optionally, the heat dissipation hole set includes a first heat dissipation hole disposed on the sidewall of the back shell and a second heat dissipation hole disposed at the bottom of the back shell.

By adopting the technical scheme, the heat can be supplied to the side wall and the bottom of the back shell to be dissipated outwards, and a better heat dissipation effect is achieved.

Optionally, the screen pressing support is in a flat plate shape, and the projected image of the circuit board to the screen pressing support can completely fall in the plate surface of the screen pressing support.

Through adopting above-mentioned technical scheme, when the circuit board produced heat because of work, it can play the space and block the effect to be flat-plate-shaped pressure screen support, reduces the produced heat of circuit board and gives off to the one side that the circuit board was kept away from to the pressure screen support to be convenient for make the heat concentrate in the holding chamber in order to supply outside the discharge.

Optionally, a connection column is arranged on the surface of the screen pressing bracket, which is close to the circuit board, and the circuit board is connected with the connection column so that a gap is formed between the circuit board and the screen pressing bracket.

Through adopting above-mentioned technical scheme, utilize the setting of connecting post, make and form the clearance between circuit board and the pressure screen support, reducible circuit board directly transmits the energy to the pressure screen support on and make the condition that obviously intensifies appear in the pressure screen support to reduce the condition that the heat gived off to display screen one side via the pressure screen support.

Optionally, the panel bracket includes an extension edge, and the extension edge can contact with the outside.

Through adopting above-mentioned technical scheme, the produced heat of circuit board also can transmit to the panel support on unavoidably and make panel support self temperature rise, can reach the effect of outside derivation to the self heat of panel support through setting up the extension edge that can contact with the external world to promote holistic radiating effect.

Optionally, at least two connecting pieces are arranged on one side of the panel bracket close to the back shell, the back shell is in a cover body shape with an opening on one side, the back shell is covered on the panel bracket, and the side wall of the back shell can be attached to the connecting pieces and is connected with the connecting pieces through bolts; the back shell and the side wall connected with the connecting sheet are provided with first heat dissipation holes.

By adopting the technical scheme, the fixed connection between the mounting back shell and the panel bracket can be realized by connecting the connecting sheet and the side wall of the back shell; meanwhile, if the temperature of the panel bracket rises due to the heating of the circuit board, the heat can be transferred to the side wall of the back shell by using the connecting sheet, so that the temperature of the air around the side wall connected with the connecting sheet of the back shell is higher; correspondingly, the corresponding heat dissipation requirements can be realized by utilizing the first heat dissipation holes.

Optionally, the back shell comprises a main frame with a transverse cross-section shaped like a U, an upper cover plate detachably connected to the main frame, and a lower cover plate detachably connected to the main frame.

By adopting the technical scheme, the electronic element mounted on the circuit board is covered by the back shell, the back shell is arranged into a multi-part detachable structure, the position of the back shell is convenient to place corresponding to the position of the electronic element in the actual mounting process of the back shell, and the collision between the back shell and the electronic element is reduced to a certain extent. Simultaneously, along with long-time use, also appear the dust easily and get into the dorsal scale and attach to electronic component and make electronic component change the condition that generates heat, correspondingly, can detach the upper cover plate and the lower apron of dorsal scale, convenient deashing is carried out to the mode of rethread blast air.

Optionally, still including being used for the connection structure who is connected with the automobile body, connection structure includes linking arm and loading and detains, the linking arm sets firmly in the lower extreme of face-piece, just the linking arm is equipped with the mounting hole that supplies the bolt to pass, loading is detained and can be dismantled the upper end of connecting in panel support.

Through adopting above-mentioned technical scheme, the setting that utilizes the loading to detain is convenient for fix a position the mounted position of whole on-vehicle direction display screen in the automobile body, then utilizes linking arm and bolt with face-piece and automobile body fixed connection, can reach the convenient installation of on-vehicle direction display screen.

Optionally, the panel housing is provided with a first positioning column and a second positioning column, the screen pressing support is provided with a first positioning hole matched with the first positioning column, and the panel support is provided with a second positioning hole matched with the second positioning column; and the screen pressing support and the face shell are connected through bolts.

By adopting the technical scheme, when the screen pressing bracket is arranged on the face shell and the panel bracket is arranged on the face shell, the screen pressing bracket is convenient to position on the face shell and the panel bracket on the face shell, so that the bolt is more convenient to install.

In summary, the present application includes at least one of the following beneficial technical effects:

the better heat dissipation effect can be realized, and the purpose of improving the heat dissipation performance of the vehicle navigation display screen is achieved;

the heat generated by the circuit board is reduced from being dissipated to one side of the screen pressing bracket far away from the circuit board, so that the heat is conveniently concentrated in the accommodating cavity for being discharged outwards;

the dust of the electronic element accommodated in the back shell accommodating cavity is convenient to clean.

Drawings

Fig. 1 is a front view of a car navigation display screen in an embodiment of the present application.

Fig. 2 is an exploded schematic view of a car navigation display screen in the embodiment of the present application.

Fig. 3 is an exploded view of a platen bracket and a circuit board according to an embodiment of the present disclosure.

Fig. 4 is an exploded view of the panel bracket and the back shell in the embodiment of the present application.

Description of reference numerals: 1. a face shell; 11. a window; 12. sinking a groove; 13. a dust-proof sponge; 14. pressing a key; 15. a knob; 16. a connecting arm; 161. mounting holes; 2. a panel bracket; 21. a housing hole; 22. loading a vehicle buckle; 23. an extension edge; 24. connecting sheets; 3. a back shell; 31. a main frame; 311. a first heat dissipation hole; 32. an upper cover plate; 33. a lower cover plate; 331. a second heat dissipation hole; 4. a touch screen; 5. a display screen; 6. pressing a screen bracket; 61. connecting columns; 7. a circuit board.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a vehicle navigation display screen. Referring to fig. 1 and 2, a car navigation display screen comprises a shell, a touch screen 4 connected with the shell and a display screen 5 assembly arranged in the shell; wherein, the casing includes a face-piece 1, a panel bracket 2 connected to the face-piece 1, and a back-piece 3 connected to the panel bracket 2. Correspondingly, the face shell 1 is in a frame shape with a window 11 in the middle, and the window 11 of the face shell 1 is rectangular; meanwhile, a sinking groove 12 for the touch screen 4 to be arranged is formed in one side of the face shell 1, which is far away from the back shell 3, the shape of the touch screen 4 is matched with that of the window 11 of the face shell 1, and the touch screen 4 is bonded and fixed in the sinking groove 12.

The display screen 5 assembly is positioned in the shell, and specifically, the display screen 5 assembly comprises a display screen 5, a screen pressing bracket 6 and a circuit board 7; the screen pressing support 6 is flat, and the screen pressing support 6 is connected with one side, away from the touch screen 4, of the face shell 1 through bolts. Meanwhile, in order to position the mounting position of the screen pressing support 6, a first positioning column is arranged on the face shell 1, and correspondingly, a first positioning hole matched with the first positioning column is formed in the screen pressing support 6.

The display screen 5 is arranged between the screen pressing support 6 and the face shell 1, and the screen pressing support 6 is connected with the face shell 1 to compress and fix the display screen 5, so that the display screen 5 and the face shell 1 are fixed relatively. Simultaneously, still install the dustproof sponge 13 that is the rectangle frame form between display screen 5 and face-piece 1, utilize the setting of dustproof sponge 13, can make the laminating between display screen 5 and the face-piece 1 more inseparable, reach dustproof effect.

Referring to fig. 2 and 3, the circuit board 7 is mounted on a side of the screen pressing bracket 6 away from the display screen 5, and the circuit board 7 is electrically connected to the display screen 5 and the touch screen 4; in this embodiment, the projection image of the circuit board 7 to the screen pressing bracket 6 can completely fall in the board surface of the screen pressing bracket 6, so that the screen pressing bracket 6 is utilized to play a role in heat blocking, and the heat dissipation to one side of the display screen 5 is reduced. Meanwhile, four connecting posts 61 with screw holes are formed on one side of the screen pressing bracket 6 close to the circuit board 7; correspondingly, the circuit board 7 is in threaded connection with the connecting column 61 through a bolt to realize fixed connection with the screen pressing bracket 6. Moreover, due to the arrangement of the connecting column 61, a gap is formed between the circuit board 7 and the screen pressing bracket 6, and the condition that the heat of the circuit board 7 is directly transferred to the screen pressing bracket 6 and is dissipated to the display screen 5 is reduced.

In addition, the face shell 1 is also provided with a plurality of keys 14 and knobs 15 which are electrically connected with the circuit board 7, and correspondingly, the face shell 1 is provided with openings for exposing the keys 14 and the knobs 15, so that a user can control the keys 14 and the knobs 15 to a certain extent.

Referring to fig. 2, the panel bracket 2 is located at a side of the panel housing 1 away from the screen pressing bracket 6, and the panel bracket 2 is connected with the panel housing 1 through a bolt; meanwhile, in order to facilitate the positioning of the mounting position of the panel bracket 2 on the panel shell 1, a second positioning column is formed on the panel shell 1, and correspondingly, a second positioning hole matched with the second positioning column is formed in the panel bracket 2.

Referring to fig. 2 and 4, back shell 3 is mounted on the side of panel support 2 facing away from screen support 6, and in particular, back shell 3 includes main frame 31 with a "u" shaped cross-section, upper cover plate 32 and lower cover plate 33, which are bolted to main frame 31 and connected to main frame 31. The one side shaping that the pressure screen support 6 is close to dorsal scale 3 has two connection pieces 24 that the horizontal interval was arranged, and is corresponding, interval and two connection piece 24 looks adaptations between two lateral walls of main frame 31 for two lateral walls of main frame 31 can laminate mutually with connection piece 24 and realize relatively fixed through the bolt, in order to realize the fixed connection between dorsal scale 3 and panel support 2.

The back shell 3 and the panel bracket 2 are matched to form an accommodating cavity, correspondingly, the panel bracket 2 is provided with an accommodating hole 21 communicated to the accommodating cavity, and the size of the accommodating hole 21 is larger than that of the circuit board 7; when the panel bracket 2 and the screen pressing bracket 6 are both mounted on the face shell 1, the accommodating hole 21 can accommodate the circuit board 7, and the electronic components mounted on the circuit board 7 can be accommodated by the accommodating cavity. Thus, when the electronic components on the circuit board 7 generate heat due to normal operation, the heat can be accumulated in the accommodating chamber.

Correspondingly, two side walls of the main frame 31 of the back shell 3 are correspondingly provided with first heat dissipation holes 311, and the lower cover plate 33 of the back shell 3 is provided with second heat dissipation holes 331; the heat dissipation hole group formed by the first heat dissipation hole 311 and the second heat dissipation hole 331 is used for discharging the heat collected by the accommodating cavity outwards, so that the effect of concentrating the heat for discharging outwards is achieved, and the purpose of improving the overall heat dissipation performance of the vehicle navigation display screen is achieved. Meanwhile, the whole size of the panel bracket 2 is larger than the projection pattern of the phase panel bracket 2 of the back shell 3, so that the panel bracket 2 itself also has an extension edge 23 which can be contacted with the external environment, so as to radiate the heat of the panel bracket 2 itself.

In addition, referring to fig. 1 and 2, two car-loading buckles 22 are installed on the exposed extension edge 23 of the upper end of the panel bracket 2 at intervals through bolts, two connecting arms 16 are formed at the lower end of the panel shell 1, and mounting holes 161 for the bolts to pass through are formed on the connecting arms 16; in this embodiment, the loading buckle 22 and the connecting arm 16 may form a connecting structure connected to the vehicle body, so as to achieve a fixed connection between the entire car navigation display screen and the vehicle body through the connecting structure.

The implementation principle of the vehicle navigation display screen in the embodiment of the application is as follows: the circuit board 7 which is easy to generate heat is positioned in the containing hole 21, and correspondingly, the electronic components arranged on the circuit board 7 can be contained in the containing cavity; and by utilizing the blocking effect of the screen pressing bracket 6 on heat conduction, when the vehicle-mounted guiding display screen 5 is used, more heat generated by electronic elements on the circuit board 7 is concentrated in the accommodating cavity, and then the collected heat is dissipated by utilizing a heat dissipation hole group which is communicated with the accommodating cavity on the back shell 3 as a heat dissipation channel.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a vehicle navigation display screen, includes the casing, connects in touch-sensitive screen (4) of casing and locates display screen (5) subassembly in the casing, its characterized in that: the touch screen type touch screen comprises a shell and a touch screen, wherein the shell comprises a face shell (1), a panel support (2) connected to the face shell (1) and a back shell (3) connected to the panel support (2), the touch screen (4) is connected to the face shell (1), the panel support (2) and the back shell (3) form an accommodating cavity, and the back shell (3) is provided with a radiating hole group communicated to the accommodating cavity; the display screen (5) assembly comprises a screen pressing support (6) connected to the face shell (1), a display screen (5) arranged on one side, close to the face shell (1), of the screen pressing support (6) and a circuit board (7) arranged on one side, close to the panel support (2), of the screen pressing support (6); the panel support (2) is provided with a containing hole (21) capable of containing the circuit board (7), and the containing hole (21) is communicated with the containing cavity.

2. The vehicle-mounted navigation display screen according to claim 1, characterized in that: the radiating hole group comprises a first radiating hole (311) arranged on the side wall of the back shell (3) and a second radiating hole (331) arranged at the bottom of the back shell (3).

3. The vehicle-mounted navigation display screen according to claim 1, characterized in that: the screen pressing support (6) is flat, and the projected image of the circuit board (7) to the screen pressing support (6) can completely fall into the panel surface of the screen pressing support (6).

4. The vehicle-mounted navigation display screen according to claim 3, characterized in that: the surface of the screen pressing support (6) close to the circuit board (7) is provided with a connecting column (61), and the circuit board (7) is connected with the connecting column (61) so that a gap is formed between the circuit board (7) and the screen pressing support (6).

5. The vehicle-mounted navigation display screen according to claim 1, characterized in that: the panel bracket (2) comprises an extension edge (23), and the extension edge (23) can be in contact with the outside.

6. The vehicle-mounted navigation display screen according to claim 2, characterized in that: at least two connecting pieces (24) are arranged on one side, close to the back shell (3), of the panel support (2), the back shell (3) is in a cover body shape with an opening on one side, the back shell (3) is covered on the panel support (2), and the side wall of the back shell (3) can be attached to the connecting pieces (24) and is connected with the connecting pieces (24) through bolts; the side walls of the back shell (3) connected with the connecting sheet (24) are provided with first heat dissipation holes (311).

7. The vehicle-mounted navigation display screen according to claim 1, characterized in that: the back shell (3) comprises a main frame (31) with a U-shaped transverse section, an upper cover plate (32) detachably connected to the main frame (31) and a lower cover plate (33) detachably connected to the main frame (31).

8. The vehicle-mounted navigation display screen according to claim 1, characterized in that: still including being used for the connection structure who is connected with the automobile body, connection structure includes that linking arm (16) and loading detain (22), linking arm (16) set firmly in the lower extreme of face-piece (1), just linking arm (16) are equipped with mounting hole (161) that supply the bolt to pass, loading detains (22) can dismantle the upper end of connecting in panel support (2).

9. The vehicle-mounted navigation display screen according to claim 1, characterized in that: the panel shell (1) is provided with a first positioning column and a second positioning column, the screen pressing support (6) is provided with a first positioning hole matched with the first positioning column, and the panel support (2) is provided with a second positioning hole matched with the second positioning column; and the screen pressing support (6) is connected with the face shell (1) through bolts, and the panel support (2) is connected with the face shell (1) through bolts.