CN220829796U

CN220829796U - Display device

Info

Publication number: CN220829796U
Application number: CN202322650399.5U
Authority: CN
Inventors: 张启文
Original assignee: Shenzhen Hailan Electronics Co ltd
Current assignee: Shenzhen Hailan Electronics Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-04-23
Anticipated expiration: 2033-09-27

Abstract

The utility model relates to the technical field of display devices, in particular to a display device. The display device comprises a shell, an electromagnetic isolation film, a main board installation shell and a main board, wherein an installation space is formed in the shell, and the electromagnetic isolation film and the main board installation shell are arranged in the installation space; the main board mounting shell is provided with a mounting groove, and the electromagnetic isolation film is arranged at the notch of the mounting groove so that the electromagnetic isolation film and the mounting groove form an isolation cavity; the main board is arranged in the isolation cavity. The main board of the display device is arranged in the isolation cavity, so that the main board can be isolated from the electronic devices in the shell installation space, the electronic devices in the shell installation space are prevented from generating electromagnetic interference on the main board, the working state of the main board is influenced, and even the main board is damaged, and therefore, the display device is prevented from being incapable of working normally due to the electromagnetic interference on the main board, and even the service life of the display device is influenced.

Description

Display device

Technical Field

The utility model relates to the technical field of display devices, in particular to a display device.

Background

The display screen is a device for displaying images, text and video, and the display screen motherboard is a core component of the display screen for controlling and driving the display screen.

The existing display screen main board is arranged on the display screen shell through a main board support, and the main board is exposed to the main board support and is positioned in the same cavity with other electronic module components in the display screen. The mainboard is easy to be interfered by electromagnetic waves in the working process, the working state of the mainboard is influenced, and even the mainboard is damaged, so that the normal use of the display screen is influenced.

Disclosure of utility model

The technical problem to be solved by the embodiment of the utility model is to provide a display device to solve the problems that a main board is easy to be interfered by electromagnetic waves in the working process and the normal use of a display screen is affected in the prior art.

The display device provided by the embodiment of the utility model comprises: the electromagnetic isolation film and the main board installation shell are arranged in the installation space; the main board mounting shell is provided with a mounting groove, and the electromagnetic isolation film is arranged at the notch of the mounting groove so that an isolation cavity is formed by the electromagnetic isolation film and the mounting groove; the main board is arranged in the isolation cavity.

Optionally, the display device further includes a screen panel, the housing is provided with a display window, the screen panel is installed at the display window, the housing includes an inner wall facing the display window, and the inner wall is provided with a reinforcing rib.

Optionally, the notch of the mounting groove faces the inner wall, in the direction of the notch, the projection of the notch is overlapped with the projection part of the reinforcing rib, and the overlapped area of the notch and the reinforcing rib is concave towards the bottom of the groove to form a step-shaped notch so as to avoid the reinforcing rib; the electromagnetic isolating films are arranged on one side, facing the groove bottom, of the reinforcing ribs, the inner wall is provided with an adjacent area adjacent to the reinforcing ribs and opposite to the groove opening, and the other electromagnetic isolating film is arranged on one side, facing the groove bottom, of the adjacent area, so that the two electromagnetic isolating films can be matched to shield the groove opening.

Optionally, the electromagnetic isolation film is a metal electromagnetic isolation film.

Optionally, the display device further includes a first screw, the main board mounting shell is provided with a fixing hole, the shell is correspondingly provided with a fixing column, and the screw is inserted into the fixing hole and the fixing column, so that the main board mounting shell is fixed on the inner wall.

Optionally, a guiding opening is formed in the bottom of the shell, a wiring opening opposite to the guiding opening is formed in the main board mounting shell, and an external interface exposed from the wiring opening and the guiding opening is formed in the main board.

Optionally, a wire outlet communicated with the main board is formed in the wall of the mounting groove; the display device further comprises a conductor, wherein the conductor penetrates through the wire outlet, one end of the conductor is electrically connected with the main board, and the other end of the conductor is electrically connected with the screen panel of the display device.

Optionally, a heat dissipation hole communicated with the mounting groove is formed in the outer side wall of the main board mounting shell.

Optionally, the display device further includes a second screw, a mounting column is disposed at a bottom of the mounting groove, the main board is provided with a mounting hole, and the second screw is inserted into the mounting hole and the mounting column, so that the main board is fixed at the bottom of the mounting groove.

Optionally, the inner wall is equipped with two at least location erection columns, the location erection column dorsad the one side of display window be equipped with expose in the location mounting hole of casing, the strengthening rib is connected with a plurality of the location erection column.

Compared with the prior art, the display device provided by the embodiment of the utility model has the beneficial effects that: the mounting groove has been seted up to the mainboard installation shell, and electromagnetic isolation membrane installs the notch department at the mounting groove, and electromagnetic isolation membrane can form the isolation cavity with the mounting groove, and the mainboard dress sets up in the isolation cavity for the mainboard can be kept apart with the electronic component in the casing installation space, prevents that electronic component in the casing installation space from producing electromagnetic interference to the mainboard, influences mainboard operating condition, damages the mainboard even, thereby prevents that display device from receiving electromagnetic interference and can not normally work because of the mainboard, influences display device's life even.

Drawings

The utility model will now be described in further detail with reference to the accompanying drawings and examples, in which:

Fig. 1 is a perspective view of a display device according to an embodiment of the utility model;

Fig. 2 is a schematic perspective view of an internal structure of a display device according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of the display device of FIG. 1 at another angle;

Fig. 4 is a schematic perspective view illustrating another view angle of an internal structure of a display device according to an embodiment of the present utility model;

Fig. 5 is a perspective view of the structure of fig. 4 with the motherboard-mounting case omitted;

FIG. 6 is a schematic perspective view of the structure of FIG. 5 with the second electromagnetic isolation film omitted;

Fig. 7 is a perspective view of a main board mounting case and a main board of the display device of fig. 1;

fig. 8 is a perspective view of a main board mounting case of the display device of fig. 1.

The reference numerals in the drawings are as follows:

100. A display device;

1. A housing; 11. reinforcing ribs; 12. fixing the column; 13. a wiring port; 14. positioning the mounting column; 15. a display window; 16. a wire outlet part; 17. a screen panel; 2. a main board mounting case; 21. a mounting groove; 22. an isolation chamber; 23. a fixing hole; 24. a guide port; 25. a wire outlet; 26. a heat radiation hole; 27. a mounting column; 29. a mounting piece; 3. an electromagnetic isolation film; 31. a first electromagnetic isolation film; 32. a second electromagnetic isolation film; 4. a main board; 41. an external interface; 42. and (5) mounting holes.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings.

The embodiment of the present utility model provides a display device 100, as shown in fig. 1 to 8, the display device 100 includes a case 1, an electromagnetic separation film 3, a main board mounting case 2, and a main board 4. Wherein a mounting space is formed inside the case 1 to provide mounting positions for the electromagnetic isolation film 3, the main board mounting case 2, the main board 4, and the like inside the display device 100. The electromagnetic isolation film 3 and the main board installation shell 2 are arranged in the installation space, the main board installation shell 2 is provided with the installation groove 21, the electromagnetic isolation film 3 is arranged at the notch of the installation groove 21, and the electromagnetic isolation film 3 and the installation groove 21 can form an isolation cavity 22 so as to isolate an electromagnetic isolation space in the main board installation shell 2 and isolate the electromagnetic isolation space from the installation space in the shell 1. The main board 4 is arranged in the isolation cavity 22, so that the main board 4 can be isolated from the electronic devices in the installation space of the shell 1, and the main board 4 is effectively prevented from being interfered by the electromagnetic interference of the electronic devices in the installation space of the shell 1.

In summary, compared with the prior art, the display device 100 has at least the following advantages: the mounting groove 21 has been seted up to mainboard installation shell 2, electromagnetic isolation membrane 3 installs in the notch department of mounting groove 21, electromagnetic isolation membrane 3 and mounting groove 21 can form isolation cavity 22, mainboard 4 dress sets up in isolation cavity 22 for mainboard 4 can keep apart with the electronic component in the casing 1 installation space, prevent that the electronic component in the casing 1 installation space from producing electromagnetic interference to mainboard 4, influence mainboard 4 operating condition, damage mainboard 4 even, thereby prevent that display device 100 from receiving electromagnetic interference and can not normally work because of mainboard 4, influence display device 100's life even.

In order to better understand the solution of the present utility model by those skilled in the art, the following description will clearly and completely describe the solution of the embodiment of the present utility model with reference to fig. 1 to 8.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 1 to 6, the display device 100 further includes a screen panel 17, the housing 1 is provided with a display window 15, the screen panel 17 is installed at the display window 15, the housing 1 includes an inner wall disposed towards the display window 15, and the inner wall is provided with reinforcing ribs 11 to strengthen the structural strength of the housing 1, and reduce the probability of deformation and cracking of the housing 1 due to long-term use. Specifically, the housing 1 is protruded to form a display window 15 toward a side away from the main board mounting case 2, and an edge of the display window 15 is provided with a mounting edge (not shown), and the screen panel 17 is engaged with the mounting edge to be fixed on the display window 15. The housing 1 is provided with an inner wall with respect to the convex display window 15 to form the above-described installation space inside the housing 1. Wherein, the strengthening rib 11 is equipped with a plurality of, and part strengthening rib 11 extends in the direction of height of display device 100, and another part strengthening rib 11 extends in the length direction of display device to strengthen the structural strength of casing 1, guarantee that casing 1 has enough strong holding power, reduce the probability that casing 1 warp, fracture because of long-time use.

Further, as a specific implementation manner of some embodiments of the present utility model, as shown in fig. 4 to 8, the display device 100 further includes a first screw (not shown), the motherboard mounting case 2 is provided with a fixing hole 23, and the inner wall of the case 1 is correspondingly provided with a fixing post 12, and the screw is inserted into the fixing hole 23 and the fixing post 12 to fix the motherboard mounting case 2 to the inner wall. At the same time, the notch of the mounting groove 21 of the main board mounting case 2 is allowed to stably cover the electromagnetic isolation film 3 to form the isolation chamber 22.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 4 to 6, the notch of the mounting groove 21 faces the inner wall, in the orientation of the notch, the projection of the notch overlaps with the projection of the stiffener 11, the overlapping area of the notch and the stiffener 11 is concave toward the groove bottom, and a step-shaped notch is formed to avoid the stiffener 11.

As shown in fig. 6 to 6, two electromagnetic isolation films 3 are provided, one being the first electromagnetic isolation film 31 and the other Zhang Weidi being the second electromagnetic isolation film 32. The second electromagnetic isolating film 32 is disposed on a side of the reinforcing rib 11 facing the bottom of the tank, so as to cover an overlapping area between the indent of the tank bottom and the reinforcing rib 11. The inner wall has an adjoining area adjacent to the reinforcing rib 11 and facing the notch, and the first electromagnetic isolating film 31 is provided on a side of the adjoining area facing the groove bottom to cover the notch in an area not overlapping the reinforcing rib 11, and the first electromagnetic isolating film 31 and the second electromagnetic isolating film 32 can cooperate to cover the entire notch. The electromagnetic isolation film 3 is provided with the first electromagnetic isolation film 31 and the second electromagnetic isolation film 32, so that the situation that one electromagnetic isolation film 3 needs to be arranged on the inner wall and protrudes out of the reinforcing rib 11 of the inner wall at the same time, so that the joint of the inner wall and the reinforcing rib 11 is easy to crack can be avoided.

In addition, as shown in fig. 4 to 5, in order to further ensure that the electromagnetic isolation film 3 does not break, the first electromagnetic isolation film 31 and the second electromagnetic isolation film 32 are provided with a avoidance hole (not shown) to avoid other structures such as the avoidance fixing column 12 and the like provided on the inner wall or the reinforcing rib 11, so as to prevent the first electromagnetic isolation film 31 and the second electromagnetic isolation film from breaking. Meanwhile, the first electromagnetic isolation film 31 and the second electromagnetic isolation film 32 may be provided in double layers.

Preferably, in the present embodiment, the electromagnetic separation film 3 is preferably a metallic electromagnetic separation film 3 to ensure that the electromagnetic separation film 3 has sufficient ductility to be able to be made into a film shape. The metal electromagnetic isolation film can be a copper electromagnetic isolation film, an aluminum electromagnetic isolation film and the like. In this embodiment, the metal electromagnetic isolation film is preferably an aluminum foil electromagnetic isolation film, so that not only can the electromagnetic interference prevention effect be ensured, but also the cost can be effectively saved.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 3, 4, 7 and 8, a guide opening 24 is provided at the bottom of the housing 1, a wiring opening 13 opposite to the guide opening 24 is provided on the motherboard mounting housing 2, an external interface 41 is provided on the motherboard 4, and the external interface 41 is exposed from the wiring opening 13 and the guide opening 24.

Specifically, the bottom of the shell 1 is provided with the wire outlet portion 16, the wire outlet portion 16 is provided with the butt mesa, one end of the main board installation shell 2 facing the bottom of the shell 1 is in butt joint with the butt mesa, and at the both ends of the butt mesa, the main board installation shell 2 is provided with the mounting sheet 29, the mounting sheet 29 is installed in the both sides of the butt mesa, the mounting sheet 29 is connected with the shell 1 through the screw, thereby strengthen the stability of the main board installation shell 2, avoid the main board 4 of installing in the main board installation shell 2 to rock.

In addition, a guide opening 24 is arranged on the abutting table surface, a wiring opening 13 opposite to the guide opening 24 is arranged on the main board mounting shell 2, and the wiring opening 13 is in butt joint with the guide opening 24. The main board 4 is provided with an external interface 41, the external interface 41 sequentially penetrates through the wiring port 13 and the guide port 24, is flush with the guide port 24 and is exposed at the bottom of the shell 1, so that an external wire can be vertically connected with the external interface 41, the external wire connecting end is prevented from being transversely connected, and the external wire connecting end is easy to damage. Meanwhile, the external wires are convenient to hide, so that the disorder of connecting wires of the display device 100 is avoided, and the display device 100 is tidy and attractive.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 4, 7 and 8, a wire outlet 25 which is communicated with the main board 4 is formed on a wall of the installation groove 21; the display device 100 further includes a conductor (not shown) passing through the outlet 25, one end of the conductor is electrically connected to the motherboard 4, and the other end of the conductor is electrically connected to the screen panel 17 of the display device 100. Specifically, as shown in fig. 4, 7 and 8, in addition to the groove wall contacting the abutment surface, at least one other groove wall of the mounting groove 21 is provided with a wire outlet 25, so that the components such as the screen panel 17 and the microphone in the display device 100 can be electrically connected to the main board 4 in the mounting groove 21 through conductors. Preferably, in this example, the other three groove walls of the installation groove 21 are all provided with outlets 25, and the plurality of outlets 25 can divide the conductors of each component, so as to better distinguish the conductors of each component, and facilitate later replacement and repair.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 2, 4, 7 and 8, a heat dissipation hole 26 is formed on an outer side wall of the motherboard mounting shell 2 and is communicated with the mounting groove 21, so as to facilitate heat dissipation of the motherboard 4 in the mounting groove 21, and ensure that the motherboard 4 can work normally. In order to further enhance the heat dissipation effect of the display device 100, the housing 1 of the display device 100 is further provided with heat dissipation holes, and heat dissipation is performed on the motherboard 4 and other components in the housing 1.

Further, as a specific implementation manner of some embodiments of the present utility model, as shown in fig. 7 to 8, the display device further includes a second screw (not shown), the bottom of the mounting groove 21 is provided with a mounting post 27, the main board 4 is provided with a mounting hole 42, and the second screw is inserted into the mounting hole 42 and the mounting post 27 to fix the main board 4 to the bottom of the mounting groove 21. Specifically, the mounting posts 27 are provided with four mounting holes 42, and are rectangular and distributed at four corners of the bottom of the mounting groove 21, and the motherboard 4 is correspondingly provided with four mounting holes 42, so that the motherboard 4 can be more stably fixed in the motherboard mounting shell 2.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 4 and 6, at least two positioning and mounting posts 14 are provided on the inner wall, and positioning and mounting holes exposed from the housing 1 are provided on a side of the positioning and mounting posts 14 facing away from the display window 15, and the stiffener 11 is connected with the positioning and mounting posts 14, so that the display device 100 can be connected with an external support, so that a user can adjust the height or angle of the display device 100 according to personal use requirements.

Preferably, the positioning and mounting columns 14 are provided with four, and the four positioning and mounting columns 14 are distributed on the reinforcing ribs 11 in a matrix form, so that the positioning and mounting columns 14 have sufficient structural strength and stability, and the external bracket can support the display device 100.

It should be understood that the foregoing embodiments are merely illustrative of the technical solutions of the present utility model, and not limiting thereof, and that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art; all such modifications and substitutions are intended to be included within the scope of this disclosure as defined in the following claims.

Claims

1. A display device, comprising: the electromagnetic isolation film and the main board installation shell are arranged in the installation space; the main board mounting shell is provided with a mounting groove, and the electromagnetic isolation film is arranged at the notch of the mounting groove so that an isolation cavity is formed by the electromagnetic isolation film and the mounting groove; the main board is arranged in the isolation cavity.

2. The display device according to claim 1, further comprising a screen panel, wherein the housing is provided with a display window, wherein the screen panel is installed at the display window, wherein the housing comprises an inner wall disposed toward the display window, and wherein the inner wall is provided with reinforcing ribs.

3. The display device according to claim 2, wherein a notch of the mounting groove faces the inner wall, in the orientation of the notch, a projection of the notch overlaps with a projection of the reinforcing rib, an overlapping area of the notch and the reinforcing rib is recessed toward a groove bottom, and a stepped notch is formed to avoid the reinforcing rib; the electromagnetic isolating films are arranged on one side, facing the groove bottom, of the reinforcing ribs, the inner wall is provided with an adjacent area adjacent to the reinforcing ribs and opposite to the groove opening, and the other electromagnetic isolating film is arranged on one side, facing the groove bottom, of the adjacent area, so that the two electromagnetic isolating films can be matched to shield the groove opening.

4. A display device according to claim 3, wherein the electromagnetic isolation film is a metal electromagnetic isolation film.

5. The display device according to claim 4, further comprising a first screw member, wherein the main board mounting case is provided with a fixing hole, the case is correspondingly provided with a fixing post, and the screw member is inserted into the fixing hole and the fixing post to fix the main board mounting case to the inner wall.

6. The display device according to claim 5, wherein a guide opening is provided at the bottom of the housing, a wiring opening facing the guide opening is provided on the main board mounting case, and an external interface exposed from the wiring opening and the guide opening is provided on the main board.

7. The display device according to any one of claims 1 to 6, wherein a wire outlet communicating with the main board is provided on a wall of the mounting groove; the display device further comprises a conductor, wherein the conductor penetrates through the wire outlet, one end of the conductor is electrically connected with the main board, and the other end of the conductor is electrically connected with the screen panel of the display device.

8. The display device according to claim 7, wherein the outer side wall of the main board mounting case is provided with a heat radiation hole communicating with the mounting groove.

9. The display device according to claim 8, further comprising a second screw member, wherein the mounting groove bottom is provided with a mounting post, the main plate is provided with a mounting hole, and the second screw member is inserted into the mounting hole and the mounting post to fix the main plate to the mounting groove bottom.

10. The display device according to claim 2, wherein the inner wall is provided with at least two positioning and mounting posts, a positioning and mounting hole exposed out of the housing is formed on a side of the positioning and mounting posts facing away from the display window, and the reinforcing rib is connected with a plurality of the positioning and mounting posts.