Camera decorating part and electronic equipment

Abstract

The invention provides a camera decorating part and electronic equipment. The camera decorating part comprises a decorating part body made of a metal material, and the decorating part body is provided with at least one opening used for assembling a camera. The plurality of grounding parts are arranged on the back surface of the decorating part body; the plurality of grounding parts and the decorating part body enclose to form a cavity structure to serve as a part of the cavity antenna, and at least one gap for antenna radiation is further formed in an area, corresponding to the cavity structure, of the decorating part body. And the feed part is arranged on the back surface of the decorating part body. The cavity antenna with a cavity structure is formed by the plurality of grounding parts and the decorating part body, the resonant frequency can be controlled by reasonably designing the length of the gap, and a radiation mode excited by a feed source radiates outwards through the gap. Moreover, the free space efficiency of the antenna is high due to the fact that the clearance of the camera decorating part is good, and the game scene performance of the antenna is good due to the fact that the camera decorating part is less shielded by the two hands of a user in a game horizontal screen hand holding scene.

Description

Technical Field

[0001] The present disclosure relates to the field of antenna technology, and in particular to a camera decoration and electronic equipment. Background Art

[0002] In recent years, with the continuous development of smart phone terminals, the antenna solutions integrated in smart terminals are also constantly updated and iterated. At present, the mainstream mobile phone antennas can be divided into CNC, LDS, FPC, etc. according to the manufacturing process. CNC process antennas are generally used in flagship models, FPC process antennas are generally used in mid-to-low-end models, and LDS form antennas are generally used as a supplement to the first two antenna forms.

[0003] Nowadays, smartphone users pay more and more attention to experience, and are often very concerned about signal strength, Internet speed, etc., especially in WiFi connection scenarios and gaming scenarios under WiFi networks. At present, the main commonly used WiFi frequency bands in China are WiFi 2.4G (2400MHz-2482MHz) and WiFi 5G (5150MHz-5875MHz). How to improve the bandwidth and antenna efficiency within the target frequency band to help improve user experience is a very important direction in WiFi antenna design. Summary of the invention

[0004] The present disclosure provides a camera decoration and an electronic device to solve at least part of the related technical problems.

[0005] In a first aspect, an embodiment of the present disclosure provides a camera decoration, including:

[0006] A decorative part body made of metal, wherein the decorative part body is provided with at least one opening for assembling a camera;

[0007] A plurality of grounding portions are arranged on the back side of the decorative element body; the at least one slit is located in a space enclosed by the plurality of grounding portions; the plurality of grounding portions and the decorative element body enclose a cavity structure as a part of a cavity antenna, and the decorative element body is further provided with at least one slit for antenna radiation in a region corresponding to the cavity structure;

[0008] The power feeding part is arranged on the back side of the decorative element body.

[0009] Optionally, there are multiple openings, and the gap is opened between two adjacent openings and communicated with the two adjacent openings.

[0010] Optionally, the number of the openings is three, including a first opening, a second opening and a third opening arranged in a triangle; the number of the slits is two, including a first slit and a second slit;

[0011] The first gap is provided between the first opening and the second opening, and the third gap is provided between the second opening and the third opening.

[0012] Optionally, the feeding portion is located between the first slot and the second slot and at an edge of the second opening.

[0013] Optionally, the thickness of the grounding portion is greater than the thickness of the feeding portion.

[0014] Optionally, a filling portion made of insulating material is further included, which is filled in the gap.

[0015] Optionally, the filling part is made of plastic.

[0016] Optionally, the plurality of grounding portions are arranged at intervals along the circumference of the decorative element body at the edge position of the back side of the decorative element body.

[0017] Optionally, the decorative element body has a rectangular structure, and there are at least eight grounding portions, wherein four of the grounding portions are arranged at four vertex positions on the back side of the decorative element body, and at least another four of the grounding portions are respectively arranged between two adjacent grounding portions located at the vertex positions.

[0018] Optionally, a tuning device is also included, connected to the feeding part.

[0019] Optionally, the tuning device is provided with a matching circuit, and the matching circuit includes distributed capacitance and distributed inductance connected in series and in parallel.

[0020] In a second aspect, an embodiment of the present disclosure provides an electronic device, comprising a middle frame shell, a camera, and the camera decoration as described in the first aspect, wherein the camera is mounted on the opening, and the camera decoration is mounted on the back side of the middle frame shell; the camera decoration and the middle frame shell are enclosed to form a cavity antenna.

[0021] The technical solutions provided by the embodiments of the present disclosure can at least achieve the following beneficial technical effects:

[0022] The camera decoration disclosed in the present invention has a cavity antenna with a cavity structure formed by multiple grounding parts and the decoration body. The resonant frequency can be controlled by properly designing the length of the gap. The radiation mode excited by the feed source will radiate outward through the gap, without occupying additional volume, which can effectively reduce costs. In addition, since the camera decoration itself has a good clearance, the antenna has a high free space efficiency. In addition, since the user's hands rarely block the camera decoration when the game is held horizontally, the antenna's gaming performance will also be relatively excellent.

[0023] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a three-dimensional schematic diagram of a camera decoration in an exemplary embodiment of the present disclosure.

[0026] Figure 2 It is a front view of a camera decoration in an exemplary embodiment of the present disclosure.

[0027] Figure 3 It is a bottom view of a camera decoration in an exemplary embodiment of the present disclosure.

[0028] Figure 4 is a schematic diagram of an antenna matching circuit in an exemplary embodiment of the present disclosure.

[0029] Figure 5 is a current pattern diagram of an antenna surface in an exemplary embodiment of the present disclosure.

[0030] Figure 6 It is an antenna standing wave diagram in an exemplary embodiment of the present disclosure.

[0031] Figure 7 is an antenna efficiency diagram in an exemplary embodiment of the present disclosure. DETAILED DESCRIPTION

[0032] Here, exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are only examples of devices and methods consistent with some aspects of the present disclosure.

[0033] The terms used in the present disclosure are only for the purpose of describing specific embodiments, and are not intended to limit the present disclosure. Unless otherwise defined, the technical terms or scientific terms used in the present disclosure should be understood by people with ordinary skills in the field to which the present disclosure belongs. The "first", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, similar words such as "one" or "one" do not indicate quantity restrictions, but indicate that there is at least one, and will be separately described if only "one" is referred to. "Multiple" or "several" means two and more than two. Unless otherwise specified, similar words such as "front", "rear", "lower" and / or "upper", "top", "bottom" are only for the convenience of explanation, and are not limited to one position or one spatial orientation. Similar words such as "include" or "comprise" mean that the elements or objects appearing in front of "include" or "comprise" cover the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. The words "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0034] The camera decoration and electronic device disclosed in the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments and implementations can be combined with each other.

[0035] See also Figure 1 As shown, the embodiment of the present disclosure provides a camera decoration (DECO) 100, including a decoration body 10 made of metal material, a plurality of grounding parts 20 and a feeding part 30. The decoration body 10 is provided with at least one opening 11 for assembling a camera. A plurality of grounding parts 20 are arranged on the back side of the decoration body 10. The plurality of grounding parts 20 and the decoration body 10 are enclosed to form a cavity structure as a part of a cavity antenna, and the decoration body 10 is also provided with at least one gap 12 for antenna radiation in the area corresponding to the cavity structure. The feeding part 30 is arranged on the back side of the decoration body 10. It can be understood that the feeding part 30 and the grounding part 20 are both made of metal.

[0036] The camera decoration 100 disclosed in the present invention, multiple grounding parts 20 and the decoration body 10 form a cavity antenna with a cavity structure. The resonant frequency can be controlled by reasonably designing the length of the gap 12. The radiation mode excited by the feed source will radiate outward through the gap 12, thereby forming a WiFi antenna solution based on cavity gap radiation integrated in the decoration. The WiFi antenna is compatible with the camera decoration, and electromagnetic energy is radiated to the free space through the cavity gap. This solution does not take up additional volume and can effectively reduce costs. In addition, since the camera decoration itself has a good clearance and the antenna free space efficiency is high, the solution has a wide bandwidth and high antenna efficiency. In addition, since the user's hands block less of the camera decoration in the horizontal screen hand-held scene of the game, the game scene performance of the antenna will also be relatively excellent, and it has a good game scene experience.

[0037] In some optional embodiments, the camera decoration 100 may further include a filling portion 40 of an insulating material, which is filled in the gap 12. In this way, the gap 12 is filled, which not only has an aesthetic effect, but also uses an insulating material without affecting the radiation of the antenna. Optionally, the filling portion 40 is made of plastic material, such as a plastic part of PBT material, or other insulating materials with a low dielectric constant.

[0038] In some optional embodiments, there are multiple openings 11, and the slit 12 is opened between two adjacent openings 11 and communicates with the two adjacent openings 11. Connecting the slit 12 with the two adjacent openings 11 makes it easier for electromagnetic energy to radiate outward from the edge of the opening 11 and the position where the slit 12 communicates. It can be understood that the slit 12 can be independent of the opening 11 for assembling the camera, or it can be combined with the opening 11 and communicate with each other.

[0039] In this embodiment, there are three openings 11, including a first opening 11A, a second opening 11B and a third opening 11C arranged in a triangle. There are two slits 12, including a first slit 12A and a second slit 12B. The first slit 12A is provided between the first opening 11A and the second opening 11B, and the third slit 12 is provided between the second opening 11B and the third opening 11C. Optionally, the first opening 11A, the second opening 11B and the third opening 11C are arranged in a right triangle, and the second opening 11B is located at the right angle of the right triangle. In this way, the three openings for assembling cameras are connected in pairs through two slits dug through. It should be noted that the number of openings 11 and slits 12, as well as the arrangement of the openings 11 are not limited to the above one, and the present disclosure does not limit this.

[0040] In some optional implementations, the feeding portion 30 is located between the first slot 12A and the second slot 12B, and is located at an edge of the second opening 11B. Figure 1 As shown, the feeding portion 30 is located at the lower right corner edge of the second opening 11B. In this way, the feeding portion 30 is located in the area between the two second slots 12, and the distance between the two second slots 12 will not differ too much, which can ensure the antenna performance. It can be understood that when the slots 12 are greater than two, the feeding portion 30 is also arranged in the area between the multiple slots 12 for connection with a feed source device such as a circuit board.

[0041] In some optional embodiments, the plurality of grounding portions 20 are arranged at intervals along the circumference of the decorative element body 10 at the edge of the back side of the decorative element body 10. The grounding portion 20 is used to connect with the middle frame housing of the electronic device, such as the back housing. Such an arrangement can not only enhance the connection strength between the decorative element body 10 and the middle frame housing, but also ensure that each gap 12 can be located within the space enclosed by the plurality of grounding portions 20.

[0042] Optionally, the decorative part body 10 is a rectangular structure, and the number of grounding portions 20 is at least eight, which are arranged at intervals at the edge of the back of the decorative part body 10 along the circumference of the decorative part body 10, wherein four grounding portions 20 are respectively located at the four vertex positions on the back of the decorative part body 10, and the other at least four grounding portions 20 are respectively located between the two grounding portions at two adjacent vertex positions. In this way, each grounding portion 20 can be enclosed with the decorative part body 10 to form a cavity with a larger space, so as to ensure that each gap 12 can be located in the space enclosed by multiple grounding portions 20. In this embodiment, the number of grounding portions 20 is eight, wherein four grounding portions 20 are respectively located at the four vertex positions on the back of the decorative part body 10, and the other four grounding portions 20 are respectively located between the two grounding portions at two adjacent vertex positions.

[0043] Combination Figure 2 and Figure 3 As shown, in some optional embodiments, the length and width of the decorative element body 10 are L and D respectively, the diameters of the first opening 11A, the second opening 11B and the third opening 11C are all D1, the widths of the first gap 12A and the second gap 12B are both L3, the gap length of the second gap 12B is L1, the gap length of the first gap 12A is L2, the thickness of the decorative element body 10 is H1, the thickness of the grounding portion 20 is H2, the width of the grounding portion 20 is W, and the length, width and height of the feeding portion 30 are all H3. The specific dimensional parameters of the above structures are shown in Table 1 below, in mm.

[0044]

[0045] Table 1

[0046] It can be seen that the size of the antenna disclosed in the present invention is reasonably designed, and because the feeding part 30 needs to be connected to a feed source device such as a circuit board, the thickness of the grounding part 20 is greater than the thickness of the feeding part 30, so that space for the assembly connection of the feeding part 30 and the feed source device (such as a circuit board) can be reserved without occupying additional volume.

[0047] In some optional embodiments, the camera decoration 100 may further include a tuning device connected to the feed unit 30 for tuning the cavity antenna. Optionally, the tuning device is provided with a matching circuit, and the matching circuit includes distributed capacitance and distributed inductance connected in series and in parallel. As described above, due to the reasonable design of the antenna size, the matching circuit only needs 4 matching components to tune out the two waveforms of WiFi 2.4G and WiFi 5G. The matching circuit is simple, which makes the antenna low-cost and easy to integrate. Figure 4 As shown, this is one of the matching methods of the matching circuit. Looking from the antenna to the feed source (from right to left), the matching form is parallel inductance (L2), series capacitance (C2), parallel capacitance (C1), and series inductance (L1). The specific parameter values ​​of the matching components are shown in Table 2 below. The unit of inductance (L) is nH, and the unit of capacitance (C) is pF. It should be noted that the device parameter values ​​of the matching circuit can be fine-tuned according to the specific items of the actual situation.

[0048]

[0049] Table 2

[0050] See also Figures 5 to 7 As shown, Figure 4 This is the surface current pattern diagram when the antenna is working. It can be seen that when the antenna is working, the surface current excited by the feed source is mainly distributed between the camera opening and the connected gap, and the current flows in the same direction as a whole, resulting in little efficiency loss. Figure 5 is the antenna standing wave diagram, Figure 6 This is the antenna efficiency diagram. It can be seen that the antenna bandwidth is wide and the efficiency is high. The WiFi 2.4G efficiency is below -6dB, and the WiFi 5G efficiency is basically below -2dB. The average efficiency of WiFi 2.4G is around -3.5dB, and the average efficiency of WiFi 5G is around -4.5dB.

[0051] 2. In horizontal screen gaming scenarios, antenna performance degradation is minimal, providing a better user experience;

[0052] 3. The antenna is integrated into Deco, which takes up less space inside the mobile phone. The matching circuit is simple, making the antenna low-cost and easy to integrate.

[0053] The disclosed embodiment also provides an electronic device, including a middle frame housing, a camera, and a camera decoration 100 as described in the above embodiments and implementation methods, wherein the camera is mounted on the opening 11, and the camera decoration 100 is mounted on the back of the middle frame housing. The camera decoration 100 and the middle frame housing are enclosed to form a cavity antenna. The electronic device may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (PDA for short), a mobile Internet device (Mobile Internet Device, MID) or a wearable device (Wearable Device), etc. It should be noted that the electronic device may include a circuit board arranged in the middle frame housing, and the decoration body 10 of the camera decoration 100 may be enclosed with the metal back shell of the middle frame housing to form a cavity antenna, or may be enclosed with the circuit board to form a cavity antenna. Among them, the electronic device feed part 30 may be connected to the circuit board of the electronic device, and the grounding part 20 may be connected to the back shell of the middle frame housing.

[0054] The electronic device using the camera decoration 100 disclosed in the present invention forms a cavity antenna with a cavity structure through multiple grounding parts 20 of the camera decoration 100 and the decoration body 10. The resonant frequency can be controlled by reasonably designing the length of the gap 12. The radiation mode excited by the feed source will radiate outward through the gap 12, thereby forming a WiFi antenna solution based on cavity gap radiation integrated in the decoration. The WiFi antenna is compatible with the camera decoration, and electromagnetic energy is radiated to the free space through the cavity gap, which occupies less internal space of the electronic device. This solution does not occupy additional volume and can effectively reduce costs. In addition, since the camera decoration itself has a good clearance and the antenna free space efficiency is high, the solution has a wide bandwidth and high antenna efficiency. In addition, since the user's hands block less of the camera decoration in the horizontal screen hand-held scene of the game, the game scene performance of the antenna will also be relatively excellent, and it has a good game scene experience.

[0055] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the disclosed embodiments disclosed herein. The present disclosure is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and embodiments are to be considered exemplary only, and the true scope and spirit of the present disclosure are indicated by the claims of the present disclosure.

[0056] It should be understood that the above is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present disclosure should be included in the scope of protection of the present disclosure.

Claims

1. A camera decoration, characterized in that: include: A decorative part body made of metal, wherein the decorative part body is provided with at least one opening for assembling a camera; A plurality of grounding portions are arranged on the back of the decorative element body; the plurality of grounding portions and the decorative element body enclose a cavity structure to serve as a part of the cavity antenna, and at least one gap for antenna radiation is also provided in the area of ​​the decorative element body corresponding to the cavity structure; The power feeding part is arranged on the back side of the decorative element body.

2. The camera decoration according to claim 1, characterized in that: There are multiple openings, and the gap is opened between two adjacent openings and communicated with the two adjacent openings.

3. The camera decoration according to claim 2, characterized in that: There are three openings, including a first opening, a second opening, and a third opening arranged in a triangle; there are two slits, including a first slit and a second slit; The first gap is provided between the first opening and the second opening, and the third gap is provided between the second opening and the third opening.

4. The camera decoration according to claim 3, characterized in that: The feeding portion is located between the first slot and the second slot and at an edge of the second opening.

5. The camera decoration according to claim 1, characterized in that: The thickness of the grounding portion is greater than the thickness of the feeding portion.

6. The camera decoration according to claim 1, characterized in that: It also includes a filling part made of insulating material, which is filled in the gap.

7. The camera decoration according to claim 6, characterized in that: The filling part is made of plastic material.

8. The camera decoration according to claim 1, characterized in that: The plurality of grounding portions are arranged at intervals along the circumference of the decorative element body at the edge position of the back side of the decorative element body.

9. The camera decoration according to claim 8, characterized in that: The decorative part body is a rectangular structure, and there are at least eight grounding parts, four of which are arranged at four vertex positions on the back side of the decorative part body, and at least four other grounding parts are respectively arranged between two adjacent grounding parts located at the vertex positions.

10. The camera decoration according to claim 1, characterized in that: It also includes a tuning device connected to the feeding part.

11. The camera decoration according to claim 10, characterized in that: The tuning device is provided with a matching circuit, and the matching circuit includes distributed capacitance and distributed inductance connected in series and in parallel.

12. An electronic device, characterized in that: It includes a middle frame shell, a camera, and a camera decoration as described in any one of claims 1 to 11, the camera is installed in the opening, and the camera decoration is installed on the back of the middle frame shell; the camera decoration and the middle frame shell are enclosed to form a cavity antenna.

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