CN216015683U

CN216015683U - Electronic device

Info

Publication number: CN216015683U
Application number: CN202122496011.1U
Authority: CN
Inventors: 陈禅豪; 江浩; 李飞
Original assignee: Formovie Chongqing Innovative Technology Co Ltd
Current assignee: Formovie Chongqing Innovative Technology Co Ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-03-11
Anticipated expiration: 2031-10-15

Abstract

The embodiment of the utility model provides an electronic device is related to, include: the antenna comprises a metal shell, a plastic shell, an antenna and a plastic decorative sheet; the plastic shell covers the metal shell, and the antenna is arranged on one side of the plastic shell, which is far away from the metal shell; the plastic decorative sheet is arranged on one side, away from the metal shell, of the plastic shell, and the plastic decorative sheet covers the antenna. The utility model discloses a scheme has avoided the shielding of metal casing to the antenna and the inside metal device of casing to the interference of antenna, makes the performance of antenna satisfy the requirement to cover the antenna through plastics decorative sheet, can protect the antenna not receive the damage, can make the shell pleasing to the eye again, satisfy the outward appearance requirement.

Description

Electronic device

Technical Field

The utility model belongs to the technical field of the electronic technology and specifically relates to an electronic device is related to.

Background

Electronic devices such as projectors and notebook computers are generally provided with antennas, such as WiFi antennas and Bluetooth (Bluetooth) antennas, for accessing the internet or transmitting data with other electronic devices. The following two common antenna fixing methods of the electronic device are available: 1. the antenna is pasted on the inner wall of the shell, and the method is generally suitable for the electronic device with the shell being a plastic part and without much interference inside; 2. the antenna is adhered to the plastic support inside the casing, and this method is also generally suitable for electronic devices with plastic casing, and also requires no much interference inside the electronic device. However, for the electronic device with a metal casing, if the above two antenna fixing methods are used, the metal casing and other metal device interference sources in the casing may cause interference to the antenna, resulting in reduced antenna performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic device to solve among the prior art metal casing's electronic device's antenna receives the interference serious, problem that the performance descends.

The utility model provides an above-mentioned technical problem's technical scheme as follows: provided is an electronic device including: the antenna comprises a metal shell, a plastic shell, an antenna and a plastic decorative sheet;

the plastic shell covers the metal shell, and the antenna is arranged on one side of the plastic shell, which is far away from the metal shell; the plastic decorative sheet is arranged on one side, away from the metal shell, of the plastic shell, and the plastic decorative sheet covers the antenna.

Preferably, one side of the plastic shell, which faces away from the metal shell, is provided with a groove, and the antenna is arranged in the groove.

Preferably, the depth of the groove is equal to or greater than the thickness of the antenna.

Preferably, the bottom of the groove is provided with a through hole penetrating through the plastic shell.

Preferably, the sidewall of the through hole includes an inclined surface facing the metal case.

Preferably, one side of the plastic shell facing the metal shell is provided with a plurality of connecting wire clamping grooves.

Preferably, the antenna includes at least one of a WIFI antenna and a bluetooth antenna.

Preferably, the metal shell includes a top plate and a plurality of side plates connected to edges of the top plate, the top plate and the side plates form an accommodating space with an opening, and the plastic shell covers the opening.

Preferably, one side of the plastic shell, which is far away from the metal shell, is provided with a plurality of supporting legs, the plastic decorative sheet is provided with a plurality of through holes corresponding to the supporting legs, and the supporting legs penetrate through the through holes and are exposed outwards.

Preferably, the electronic device is a projector.

The utility model has the advantages that: the utility model provides an electronic device, the plastic casing covers the metal casing, through setting up the antenna in the plastic casing one side that deviates from the metal casing, has avoided the shielding influence of metal casing to the antenna, because the antenna keeps away from the metal device inside the casing, has also avoided the metal device inside the casing to the interference of antenna, makes the performance of antenna satisfy the requirement; and the antenna is covered by the plastic decorative sheet arranged on the plastic shell, so that the antenna can be protected from being damaged, the shell can be attractive, and the appearance requirement can be met.

Drawings

Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;

fig. 2 is an exploded view of an electronic device according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an outer side structure of a plastic housing according to an embodiment of the present invention;

fig. 4 is a schematic view of an inner side structure of a plastic housing according to an embodiment of the present invention.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, fig. 2, fig. 3, and fig. 4, the electronic device 100 according to the present invention includes: a metal case 110, a plastic case 120, an antenna 130, and a plastic decorative sheet 140; the plastic shell 120 covers the metal shell 110, and the antenna 130 is disposed on a side of the plastic shell 120 away from the metal shell 110; the plastic decorative sheet 140 is disposed on a side of the plastic housing 120 away from the metal housing 110, and the plastic decorative sheet 140 covers the antenna 130.

The utility model provides an electronic device 110, plastic casing 120 cover metal casing 110, through set up antenna 130 in the plastic casing 120 and deviate from one side of metal casing 110, avoided metal casing 110 to the shielding influence of antenna 130, because antenna 130 keeps away from the metal device inside the casing, also avoided the metal device inside the casing to the interference of antenna 130, made the performance of antenna 130 meet the demands; moreover, the antenna 130 is covered by the plastic decorative sheet 140 arranged on the plastic shell 120, so that the antenna 130 can be protected from being damaged, the appearance of the shell can be attractive, and the appearance requirement can be met.

Specifically, the metal case 110 may be made of a material such as an aluminum alloy, stainless steel, magnesium alloy, or titanium alloy. The metal shell 110 has the advantages of high strength, wear resistance, corrosion resistance and the like, and is neat and smooth in appearance and good in overall continuity.

The plastic housing 120 may be made of PC, ABS, PC + ABS or PS, etc., and the plastic housing 120 does not shield the signal of the antenna 130, thereby ensuring the performance of the antenna 130, and is easy to process and low in cost.

The antenna 130 may be a planar antenna, and is adhered to a side of the plastic casing 120 away from the metal casing 110 (i.e., an outer side of the plastic casing 120) by glue or a double-sided adhesive; or may be a metal antenna formed on the plastic case 120 by sputtering, Laser Direct Structuring (LDS). The antenna 130 may include at least one of a WIFI antenna and a bluetooth antenna. For example, the electronic device 100 includes a WiFi antenna for connecting to a WiFi wireless network, accessing to the internet, and a bluetooth antenna for establishing a bluetooth connection with other electronic devices, performing data transmission, and the like.

The plastic decorative sheet 140 may be made of a material that is easily penetrated by a signal, such as PC, PMMA, PET, PVC, etc., so as to further enhance the strength of the signal. The thickness of the plastic decorative sheet 140 may be 0.1mm-2mm, which may be determined according to the actual conditions such as the material and design requirements. The plastic decorative sheet 140 may be adhered to the plastic housing 120 by glue or double-sided tape, and the plastic decorative sheet 140 may have certain flexibility to facilitate the installation of the plastic decorative sheet 140 on the plastic housing 120. The plastic decorative sheet 140 may be heated to soften and then press-fitted onto the plastic housing 120, thereby covering the antenna 140.

In a specific embodiment, a side of the plastic housing 120 facing away from the metal housing is provided with a groove 121, and the antenna 130 is disposed in the groove 121. The depth of the groove 121 is equal to or greater than the thickness of the antenna 131, and when the antenna 130 is stuck in the groove 121, the top surface of the antenna 130 and the surface of the plastic shell 120 can be approximately flush due to the existence of glue or double-sided adhesive, so that the flatness of the plastic decorative sheet 140 is ensured.

The bottom of the groove 121 is provided with a through hole 122 penetrating through the plastic housing 120, the through hole 122 is used for a connection line of the antenna 130 to pass through, the connection line of the antenna 130 is electrically connected with a main board in the housing, and the main board processes a signal received by the antenna 140. The shape of the through-hole 122 may be square, rectangular, circular, oval, etc.

When the through hole 122 is vertically disposed on the plastic housing 120, the connection line of the antenna 130 needs a larger bending angle (about 90 °) to be attached to the plastic housing 120 after passing through the through hole 122, which is prone to the problem that the connection line is broken or the connection line and the antenna 130 fall off. In order to solve the above problem, the sidewall of the through hole 122 includes an inclined surface 123, and the inclined surface 123 faces the metal housing, i.e., the inclined surface 123 is disposed on the inner surface of the plastic housing 120. Through setting up inclined plane 123, the connecting wire of antenna 130 passes through-hole 122 back, extends along inclined plane 123, makes the connecting wire attach on plastic housing 120 with less angle of buckling, has avoided the connecting wire rupture or connecting wire and antenna 130 to drop, has improved the reliability of the connecting wire of antenna 130.

One side of the plastic housing 120 facing the metal housing 110 is provided with a plurality of connecting wire slots 124, and the connecting wire slots 124 are arranged along the connecting wire direction of the antenna 130. The connecting wires are tightly attached to the plastic shell 120 through the connecting wire clamping grooves 124 and are arranged along a fixed path, so that consistency is guaranteed. The connecting wire slot 124 includes two opposite wire clamping portions having a space therebetween, and the connecting wire is clamped in the space.

In another embodiment, the metal housing 110 is a top case of the electronic device 100, the metal housing 110 includes a top plate and a plurality of side plates connected to edges of the top plate, the plurality of side plates are respectively a first side plate, a second side plate, a third side plate and a fourth side plate, the top plate and the plurality of side plates form an accommodating space having an opening, and the opening faces to a lower side of the metal housing 110; the plastic housing 120 is a bottom case of the electronic device 110, the plastic housing 120 is substantially plate-shaped, and the plastic housing 120 covers the opening to form a whole housing of the electronic device, which is rectangular. The metal housing 110 and the plastic housing 120 may be detachably connected by a snap, a screw lock, or the like. In the embodiment, by disposing the plastic housing 120 at the bottom of the metal housing 110, the user can only see the metal housing 110 when the electronic device 100 is placed on a table.

One side of the plastic housing 120 away from the metal housing 110 is provided with a plurality of supporting legs, the supporting legs may be in the shape of a strip, a circle, a rectangle, or the like, and the number of the supporting legs may be three, four, or more. For example, the plastic housing 120 has a substantially rectangular shape, and four support legs are provided at four corners of the plastic housing 120. The plastic decorative sheet 140 is provided with a plurality of through holes 141 corresponding to the supporting legs, the size and shape of the through holes 141 are matched with the supporting legs, and the supporting legs pass through the through holes 141 and are exposed outwards. In this embodiment, the support legs are disposed on the plastic housing 120, so that the stability of the electronic device 100 during placement is ensured, and the plastic decorative sheet 140 is prevented from being worn.

The utility model discloses in, electron device 100 can be the projector, installs ray apparatus subassembly, radiator, fan, mainboard etc. in the complete machine casing that metal casing 110 and plastic casing 120 formed. The electronic device 100 may also be a notebook computer, a tablet computer, etc.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An electronic device, comprising: the antenna comprises a metal shell, a plastic shell, an antenna and a plastic decorative sheet;

2. The electronic device of claim 1, wherein a side of the plastic housing facing away from the metal housing is provided with a groove, and the antenna is disposed in the groove.

3. The electronic device of claim 2, wherein a depth of the groove is equal to or greater than a thickness of the antenna.

4. The electronic device of claim 2, wherein the bottom of the recess is provided with a through hole penetrating the plastic housing.

5. The electronic device of claim 4, wherein the sidewall of the through hole comprises an inclined surface facing the metal housing.

6. The electronic device of claim 5, wherein a side of the plastic housing facing the metal housing is provided with a plurality of connecting wire slots.

7. The electronic device of claim 1, wherein the antenna comprises at least one of a WIFI antenna and a Bluetooth antenna.

8. The electronic device of claim 1, wherein the metal housing comprises a top plate and a plurality of side plates connected to edges of the top plate, the top plate and the side plates form an accommodating space with an opening, and the plastic housing covers the opening.

9. The electronic device according to claim 8, wherein a plurality of supporting legs are disposed on a side of the plastic housing facing away from the metal housing, a plurality of through holes corresponding to the supporting legs are disposed on the plastic decorative sheet, and the supporting legs pass through the through holes and are exposed outwards.

10. The electronic device of any of claims 1-9, wherein the electronic device is a projector.