Electronic device

Abstract

An electronic device comprises a machine shell, a metal supporting plate, an antenna three-dimensional support and a side key circuit board. Wherein the casing is provided with an upper casing and a lower casing, the metal support plate is arranged in the casing, the antenna three-dimensional support is arranged in a first space between the metal support plate and the lower casing, and the side key circuit board is arranged in a second space between the metal support plate and the upper casing. Wherein the area of the antenna three-dimensional bracket and the area of the side key circuit board on the metal supporting plate are mutually overlapped. Therefore, the electronic device can meet the design requirement of multiple antennas, and the radiation cavity is formed by the antenna three-dimensional bracket and the metal supporting plate to resonate a target antenna frequency band and an available radiation field pattern.

Description

Technical Field

[0001] The present invention relates to an electronic device, and more particularly to an electronic device with multiple antennas. Background Art

[0002] The peripheral mechanism space of an electronic device of the tablet computer type is too small. Considering requirements such as cost reduction / split antennas, it is difficult to meet the design method of a multi-antenna communication system. Therefore, how to add new antennas in the limited peripheral mechanism space is an important issue to be solved in this technical field. Summary of the Invention

[0003] The present invention provides an electronic device that can break through space limitations, utilize the space between a side key and a housing, form a metal cavity through special design, resonate a target antenna frequency band and an available radiation pattern, and simultaneously meet the design of a multi-antenna communication system.

[0004] The electronic device provided by the present invention includes a housing, a metal support plate, an antenna three-dimensional bracket, and a side key circuit board. The housing has an upper housing and a lower housing. The metal support plate is disposed in the housing. The antenna three-dimensional bracket is disposed in a first space between the metal support plate and the lower housing. The side key circuit board is disposed in a second space between the metal support plate and the upper housing. The areas of the antenna three-dimensional bracket and the side key circuit board on the metal support plate partially overlap each other.

[0005] The electronic device provided by the present invention includes a housing, a metal support plate, an antenna three-dimensional bracket, and a side key circuit board. The housing has an upper housing and a lower housing. The metal support plate is disposed in the housing. The antenna three-dimensional bracket is disposed in a first space between the metal support plate and the lower housing. The side key circuit board is disposed in a second space between the metal support plate and the upper housing. The areas of the antenna three-dimensional bracket and the side key circuit board on the metal support plate completely overlap each other.

[0006] In an embodiment of the present invention, the above-mentioned upper housing has a display frame for fixing a display panel.

[0007] In an embodiment of the present invention, the above-mentioned upper housing has a side key frame for fixing the side key circuit board.

[0008] In an embodiment of the present invention, the above-mentioned metal support plate has a convex portion in the second space relative to the plane of the metal support plate for abutting against the side key circuit board.

[0009] In an embodiment of the present invention, the above-mentioned metal support plate has a concave portion and a metal wall in the first space relative to the plane of the metal support plate for fixing the antenna three-dimensional bracket.

[0010] In an embodiment of the present invention, the above-mentioned three-dimensional antenna bracket has at least one hollow portion facing the metal support plate.

[0011] In an embodiment of the present invention, the above-mentioned metal support plate has at least one opening facing the three-dimensional antenna bracket, and at least one opening corresponds to at least one hollow portion.

[0012] In an embodiment of the present invention, the above-mentioned three-dimensional antenna bracket has a flexible printed circuit (FPC) antenna facing the lower housing.

[0013] The present invention utilizes the space between the side key and the housing, and forms a radiation cavity through the three-dimensional antenna bracket and the metal support plate to resonate the target antenna frequency band and the available radiation pattern, and at the same time enables the electronic device to meet the design requirements of multiple antennas.

[0014] The above description is only an overview of the technical solution of the present invention. In order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description. And in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, the following specifically gives preferred embodiments and, in conjunction with the drawings, is described in detail as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an exploded schematic view of the electronic device provided by the embodiment of the present invention;

[0016] Figure 2 is a front perspective view of the electronic device provided by the embodiment of the present invention;

[0017] Figure 3 is a side key side schematic view of the electronic device provided by the embodiment of the present invention;

[0018] Figure 4 is a rear perspective view of the electronic device provided by the embodiment of the present invention;

[0019] Figure 5 is Figure 1 a top view schematic diagram of area A in

[0020] Figure 6 is Figure 1 a bottom view schematic diagram of area A in

[0021] Figure 7 is a top view schematic diagram of the three-dimensional antenna bracket provided by the embodiment of the present invention:

[0022] Figure 8 is a bottom view schematic diagram of the three-dimensional antenna bracket provided by the embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In order to make the objectives, technical solutions and advantages of the present invention more clear and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0024] Please refer to Figure 1-4 as shown, which are respectively the exploded schematic diagram, front perspective view, side key side schematic diagram, and back perspective view of the electronic device provided by the embodiment of the present invention. The electronic device 1 provided by this embodiment includes a housing 2, a metal support plate 3, an antenna three-dimensional bracket 4 (located at the position of the antenna 6), and a side key circuit board 5. Among them, the electronic device 1 is a tablet computer, especially a rugged tablet computer. The housing 2 of the electronic device 1 has an upper housing 21 and a lower housing 22. The upper housing 21 has a display frame 211 and a side key frame 212. The display frame 211 is used to fixedly install (touchable) the display panel 6, and the side key frame 212 is used to fixedly install the side key circuit board 5. In addition, the upper housing 21 and the lower housing 22 of the housing 2 are only used to explain the upper / top and lower / bottom of the housing 2, and do not limit the organizational structure and combination of the housing 2. For example, the housing can be integrally formed. The metal support plate 3 is disposed in the housing 2 to strengthen the structure of the electronic device 1. The system circuit board (not shown) can be disposed on the front or back of the metal support plate 3 and connected to the display panel 6 through a transmission cable. In addition, the edge of the metal support plate 3 will be cut or punched according to its shape due to the setting of peripheral mechanisms such as modules, devices, circuits, such as antenna modules, camera modules, scanning modules, etc. It should be particularly noted that the focus of the present invention lies in the (overlapping) relationship between the side key circuit board 5, the metal support plate 3, and the antenna three-dimensional bracket 4.

[0025] Please refer to Figure 5 and 6 as shown, which are respectively Figure 1 the top view schematic diagram and the bottom view schematic diagram of the A area in Figure 5 . In Figure 6In the embodiment, the three-dimensional antenna bracket 4 is arranged in the space 12 between the metal support plate 3 and the lower shell 22, wherein the metal support plate 3 has a recess 33 and a metal wall 32 in the space 12 relative to the plane of the metal support plate 3, and the metal wall 32 and the recess 33 are used to fix the three-dimensional antenna bracket 4 to ensure that the three-dimensional antenna bracket 4 is fixed in the space 12. It can be noted that the convex and concave in the convex portion 31 and the concave portion 33 represent a relative relationship, and are not used to limit the protrusion or recess. In addition, it is particularly noted that in the present embodiment, the three-dimensional antenna bracket 4 and the side key circuit board 5 are correspondingly arranged across the metal support plate 3, and the areas of the three-dimensional antenna bracket 4 and the side key circuit board 5 on the metal support plate 3 completely overlap each other. In other embodiments, the areas of the three-dimensional antenna bracket 4 and the side key circuit board 5 on the metal support plate 3 may partially overlap. In addition, the metal support plate 3 may have at least one opening 34 or no opening 34 facing the antenna stereo bracket 4; in this embodiment, the metal support plate 3 has two openings 34 to prevent the electronic components on the back of the side key circuit board 5 from contacting the metal support plate 3 due to their height; in other embodiments, the metal support plate 3 may have multiple openings 34.

[0026] Please refer to Figure 7 and 8 shown are respectively a top view and a bottom view of the antenna stereoscopic bracket provided by an embodiment of the present invention. Figure 7 In the embodiment, the antenna stereo bracket 4 provided in this embodiment is used to arrange the soft board antenna 42 on the surface facing the lower shell 22 and the metal wall 32, wherein the soft board antenna 42 includes a feeding point 421, grounding points 422, 423, and the shape of the soft board antenna 42 in the figure is only for illustration, and technicians in the antenna field can design the shape of the antenna according to actual needs, and the present invention is not limited to this. In the embodiment, the antenna stereo bracket 4 provided in this embodiment is used to arrange the soft board antenna 42 on the surface facing the lower shell 22 and the metal wall 32, wherein the soft board antenna 42 includes a feeding point 421, and grounding points 422, 423. The shape of the soft board antenna 42 in the figure is only for illustration, and technicians in the antenna field can design the shape of the antenna according to actual needs, and the present invention is not limited to this. Figure 8 In this embodiment, the antenna three-dimensional bracket 4 provided in this embodiment has at least one hollow portion 41 on the surface facing the metal support plate 3 to form a radiation cavity. For example, the antenna three-dimensional bracket 4 has two hollow portions 41, which may correspond to the two openings 34 of the metal support plate 3, or may not correspond to the two openings 34 of the metal support plate 3; in other embodiments, the antenna three-dimensional bracket 4 may not have a hollow portion 41 or multiple hollow portions 41; in other embodiments, the number of the hollow portions 41 of the antenna three-dimensional bracket 4 and the openings 34 of the metal support plate 3 may be the same or different, and therefore may correspond or not correspond.

[0027] In summary, the electronic device provided by the present invention utilizes the space between the side key and the housing to form a radiation cavity through the antenna stereo bracket and the metal support plate to resonate the target antenna frequency band and the available radiation field pattern, and at the same time, the electronic device can meet the design requirements of multiple antennas.

[0028] ​​​The above are only the preferred embodiments of the present invention and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the equivalent embodiments of equivalent changes within the scope of the technical solution of the present invention by using the methods and technical contents disclosed above. However, as long as it does not depart from the content of the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. An electronic device, characterized in that: include: A housing having an upper housing and a lower housing; A metal support plate, disposed in the housing; A three-dimensional antenna bracket is disposed in a first space between the metal support plate and the lower housing; and A side key circuit board is disposed in a second space between the metal support plate and the upper housing; The areas of the antenna stereo support and the side key circuit board on the metal support plate partially overlap each other.

2. The electronic device according to claim 1, characterized in that: The upper shell has a display frame, and the display frame is used for fixing a display panel.

3. The electronic device according to claim 1, characterized in that: The upper shell has a side key frame, and the side key frame is used for fixing the side key circuit board.

4. The electronic device according to claim 1, characterized in that: The metal support plate has a convex portion in the second space relative to the plane of the metal support plate, which is used to abut against the side key circuit board.

5. The electronic device according to claim 1, characterized in that: The metal support plate has a concave portion and a metal wall in the first space relative to the plane of the metal support plate, which are used to fix the antenna three-dimensional bracket.

6. The electronic device according to claim 1, characterized in that: The antenna three-dimensional bracket faces the metal support plate and has at least one hollow portion.

7. The electronic device according to claim 6, characterized in that: The metal support plate has at least one opening facing the antenna three-dimensional support, wherein the at least one opening corresponds to the at least one hollow portion.

8. The electronic device according to claim 1, characterized in that: The antenna three-dimensional bracket faces the lower shell and has a soft board antenna.

9. An electronic device, characterized in that: include: A housing having an upper housing and a lower housing; A metal support plate, disposed in the housing; A three-dimensional antenna bracket is disposed in a first space between the metal support plate and the lower housing; and A side key circuit board is disposed in a second space between the metal support plate and the upper housing; The areas of the antenna stereo support and the side key circuit board on the metal support plate completely overlap each other.

10. The electronic device according to claim 9, characterized in that: The upper shell has a display frame, and the display frame is used for fixing a display panel.

11. The electronic device according to claim 9, characterized in that: The upper shell has a side key frame, and the side key frame is used for fixing the side key circuit board.

12. The electronic device according to claim 9, characterized in that: The metal support plate has a convex portion in the second space relative to the plane of the metal support plate, which is used to abut against the side key circuit board.

13. The electronic device according to claim 9, characterized in that: The metal support plate has a concave portion and a metal wall in the first space relative to the plane of the metal support plate, which are used to fix the antenna three-dimensional bracket.

14. The electronic device according to claim 9, characterized in that: The antenna three-dimensional bracket faces the metal support plate and has at least one hollow portion.

15. The electronic device according to claim 14, characterized in that: The metal support plate has at least one opening facing the antenna three-dimensional support, wherein the at least one opening corresponds to the at least one hollow portion.

16. The electronic device according to claim 9, characterized in that: The antenna three-dimensional bracket faces the lower shell and has a soft board antenna.

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