CN211629289U

CN211629289U - Electronic equipment

Info

Publication number: CN211629289U
Application number: CN202020718802.7U
Authority: CN
Inventors: 李东明
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-10-02
Anticipated expiration: 2030-04-30

Abstract

The utility model provides an electronic equipment relates to the communication technology field, electronic equipment includes the casing, still includes: an NFC IC disposed inside the housing; the outline of the metal device is a non-closed curve with two open ends, the metal device is arranged on the surface of the shell, and the two open ends of the metal device are respectively and electrically connected with the NFC IC; the orthographic projection of the first magnetic device on the plane of the shell is positioned in the area enclosed by the metal device, and/or the orthographic projection of the first magnetic device on the plane of the shell is positioned on the metal device; the first magnetic device comprises at least one of a receiver, a camera, a motor and a loudspeaker. The above technical scheme of the utility model, through the body as the NFC antenna with metal device to relative position relation through first magnetic device and metal device can increase magnetic field intensity, not only satisfies the NFC function, can also save space and cost.

Description

Electronic equipment

Technical Field

The utility model relates to the field of communication technology, in particular to electronic equipment.

Background

At present, users have more and more demands for Near Field Communication (NFC) of electronic devices, such as payment, charging telephone fees, reading identity cards, swiping bus/subway cards, access control, meal cards, and the like. The NFC antenna scheme includes a Flexible Printed Circuit (FPC) having a double-end feed, a balun single-end feed metal middle frame scheme, and a receiver coil body having a double-end feed. For a double-ended feed scheme, the area required is typically large (1300 mm)²～2000mm²) Therefore, the structural space (thickness and area space in the Z direction) required by the double-end feeding scheme is relatively large, and the corresponding cost is relatively high. For the middle frame scheme fed in through the balun single end, the radiation space is a metal middle frame, and the radiation performance is poor. For the receiver scheme, the radiation space is small, and the radiation performance is poor.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an electronic equipment to solve the relatively poor problem of radiation performance of current NFC scheme.

In order to solve the technical problem, the utility model discloses a realize like this:

in a first aspect, an embodiment of the present invention provides an electronic device, including a housing, the electronic device further includes:

a Near Field Communication Integrated Circuit (NFC IC) disposed inside the housing;

the outline of the metal device is a non-closed curve with two open ends, the metal device is arranged on the surface of the shell, and the two open ends of the metal device are respectively and electrically connected with the NFC IC;

the orthographic projection of the first magnetic device on the plane of the shell is positioned in the area enclosed by the metal device, and/or the orthographic projection of the first magnetic device on the plane of the shell is positioned on the metal device; the first magnetic device comprises at least one of a receiver, a camera, a motor and a loudspeaker.

Thus, the above technical scheme of the utility model, through setting up housing face's metal device, just metal device's profile is for having the non-closed curve of two open ends, two open ends are connected with NFC IC electricity respectively, and first magnetic device is in the planar orthographic projection in casing place is located in the region is enclosed to metal device, and/or first magnetic device is in the planar orthographic projection in casing place is located on the metal device, will metal device regards as the body of NFC antenna to through first magnetic device with metal device's relative position relation can increase magnetic field intensity, not only satisfies the NFC function, can also save space and cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

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

fig. 2 is a second schematic structural diagram of an electronic device according to an embodiment of the present invention;

fig. 3 is a third schematic view of an electronic device according to an embodiment of the present invention;

fig. 4 shows a cross-sectional view of an electronic device according to an embodiment of the invention;

description of reference numerals:

1-NFC IC, 11-signal pin, 2-metal device, 21-open end, 22-metal contact pin, 3-first magnetic device, 31-camera, 32-receiver, 4-second magnetic device, 41-through hole and 5-shell.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

As shown in fig. 1 to 3, an embodiment of the present invention provides an electronic device, including a housing 5, the electronic device further includes:

a near field communication integrated circuit 1, the near field communication integrated circuit 1 being disposed inside the housing 5;

a metal device 2, wherein the outline of the metal device 2 is a non-closed curve with two open ends 21, the metal device 2 is arranged on the surface of the shell 5, and the two open ends 21 of the metal device 2 are respectively electrically connected with the NFC IC 1;

the orthographic projection of the first magnetic device 3 on the plane of the shell 5 is positioned in the area enclosed by the metal device 2, and/or the orthographic projection of the first magnetic device 3 on the plane of the shell 5 is positioned on the metal device 2; the first magnetic means 3 includes, but is not limited to, at least one of a receiver 32, a camera 31, a motor, and a speaker.

Specifically, a Printed Circuit Board (PCB) is disposed inside the case 5, and the near field communication integrated Circuit 1 is disposed on the PCB. When the near field communication integrated circuit 1 works, the metal device 2 can be used as an NFC antenna body to radiate, so that an NFC function is realized; and the orthographic projection of the first magnetic device 3 on the plane of the shell 5 is located in the area enclosed by the metal device 2, and/or the orthographic projection of the first magnetic device 3 on the plane of the shell 5 is located on the metal device 2, so that the first magnetic device 3 can play a role in strengthening the magnetic field intensity, and the radiation performance of the NFC antenna is improved.

Optionally, the two open ends 21 are respectively provided with a metal contact pin 22, and the open end 21 is electrically connected to the near field communication integrated circuit 1 through the metal contact pin 22.

Optionally, a signal pin 11 is disposed on the near field communication integrated circuit 1, and the signal pin 11 is electrically connected to the metal contact pin 22.

Specifically, one of the open ends 21 may be provided with one metal contact pin 22 (e.g., a metal spring), the nfc integrated circuit 1 is provided with at least two signal pins 11, one of the signal pins 11 is connected to one of the metal contact pins 22 through a PCB trace, and the other signal pin 11 is connected to the other metal contact pin 22 through a PCB trace.

The utility model discloses an in the above-mentioned embodiment, through setting up metal device 2 on 5 surfaces of casing, just metal device 2's profile is for having the non-closed curve of two open ends 21, two open ends 21 are connected with near field communication integrated circuit 1 electricity respectively, and first magnetic device 3 is in the planar orthographic projection in casing 5 place is located metal device 2 encloses and establishes the region in, and/or first magnetic device 3 is in the planar orthographic projection in casing 5 place is located on metal device 2, will metal device 2 regards as the body of NFC antenna to through first magnetic device 3 with metal device 2's relative position relation can increase magnetic field intensity, not only satisfies the NFC function, can also save space and cost.

Optionally, in a case where the first magnetic device 3 includes a camera 31, an orthogonal projection of the camera 31 on a plane where the housing 5 is located in an area surrounded by the metal device 2.

Specifically, the camera 31 may be a front camera and/or a rear camera, the orthographic projection of the camera 31 on the plane where the housing 5 is located in the area surrounded by the metal device 2 to strengthen the magnetic field strength, so as to improve the radiation performance of the NFC antenna, at this time, the metal device 2 may be a component replacing a metal decoration of the camera, and the metal device 2 may also be a metal bracket or the like replacing other insert injection moldings, which is not specifically limited herein.

For example, as shown in fig. 1, the first magnetic device 3 includes a camera 31 (4 in number, but not limited in particular) and a receiver 32, an orthogonal projection of the camera 31 on the plane of the housing 5 is located in the area enclosed by the metal device 2, and an orthogonal projection of the receiver 32 on the plane of the housing 5 is located in the area enclosed by the metal device 2 and on the metal device 2. Wherein, be provided with the permanent magnet in the receiver 32, can play the effect of strengthening magnetic field, when NFC IC during operation, metal device 2 radiates as NFC antenna body, realizes NFC's function, and the permanent magnet of receiver 32 plays and strengthens magnetic field intensity simultaneously, promotes the radiation performance of NFC antenna.

Optionally, a second magnetic device 4 is disposed on the metal device 2, and the second magnetic device 4 is fixedly connected to the metal device 2.

Specifically, the second magnetic device 4 disposed on the metal device 2 can enhance the magnetic field strength.

Alternatively, the second magnetic device 4 may be a device made of ferrite or the like.

Optionally, the electronic device further includes:

the display screen and the battery rear cover are arranged on the shell 5, and the display screen and the battery rear cover are arranged oppositely;

the metal device 2 is arranged on the battery rear cover, and the ferrite is arranged between the metal device 2 and the display screen.

Specifically, if first magnetic means 3 includes camera 31, just camera 31 is the back camera, then sets up metal means 2 that covers behind the battery can regard as the metal decoration of back camera (the metal decoration of multiplexing back camera promptly), not only plays the effect that strengthens magnetic field intensity, can also be right back camera plays the guard action. And, the ferrite setting is in metal device 2 with between the display screen, just the ferrite with metal device 2 fixed connection not only can play the effect of reinforcing magnetic field intensity, can also keep apart parts such as PCB, IC inside metal device 2 and casing 5, improves NFC's radiation performance. Wherein the magnetic material 4 is connected in contact with the metal device 2, as shown by the section lines in fig. 2 and 3, and the section view after cutting along the section lines is shown in fig. 4.

Optionally, as shown in fig. 2, the ferrite is an annular ferrite, the annular ferrite is attached to the metal device 2, and the annular ferrite is not on the same plane as the metal device 2.

Specifically, as shown in fig. 2, the area between the two rectangular dashed lines is the area where the ferrite is located, and the device layout in the area surrounded by the metal device 2 is not affected; the width of the ferrite ring and the width of the metal device 2 are not limited, and the width of the ferrite ring may be greater than or equal to the width of the metal device 2, so that the radiation performance of the NFC antenna is better.

Optionally, the ferrite is a square ferrite, and the square ferrite covers the metal device 2 and an area surrounded by the metal device 2.

Specifically, in the case that the first magnetic device 3 does not include a rear camera, the ferrite may have a square (e.g., rectangular) structure, and the square ferrite is connected to the metal device 2, and covers the area enclosed by the metal device 1, that is, an orthographic projection of the square ferrite on the plane of the housing 5, wherein one part of the square ferrite is located in the area enclosed by the metal device 2, and the other part of the square ferrite is located on the metal device 2.

Alternatively, in the case where the first magnetic device 3 includes the camera 31, the square ferrite is provided with a through hole 41, and the camera 31 is disposed in the through hole 41.

Specifically, first magnetism part 3 includes camera 31, just under the condition that camera 31 includes back camera, square ferrite need set up the through-hole, avoids influencing the use of back camera.

For convenience of illustration, a mobile phone may be used as a specific example of the electronic device of the present invention to illustrate, and a person skilled in the art can understand that, besides the mobile phone is used as the electronic device, the present invention is also applicable to other electronic devices with a display screen, such as a tablet computer, an electronic book reader, a motion picture Experts compressed standard Audio Layer 3 (MP 3) player, a motion picture Experts compressed standard Audio Layer 4 (MP 4) player, a laptop portable computer, a vehicle-mounted computer, a desktop computer, a set-top box, an intelligent television, a wearable device, and so on.

In the above embodiment of the present invention, the metal device of the electronic device itself is reused as the metal device 2, so that the space and the cost can be saved; moreover, through the relative position relationship between the first magnetic device 3 and the metal device 2, the NFC function can be realized, the magnetic field intensity can be enhanced, and the radiation performance of the NFC antenna is improved; and, set up second magnetic device 4 on metal component 2, not only play the effect of reinforcing magnetic field intensity, can also play the isolation effect, improve NFC's radiation performance.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.

Claims

1. An electronic device comprising a housing (5), characterized in that the electronic device further comprises:

a near field communication integrated circuit, NFC, IC (1), the NFC IC (1) being disposed inside the housing (5);

a metal device (2), wherein the outline of the metal device (2) is a non-closed curve with two open ends (21), the metal device (2) is arranged on the surface of the shell (5), and the two open ends (21) of the metal device (2) are respectively and electrically connected with the NFCIC (1);

the orthographic projection of the first magnetic device (3) on the plane of the shell (5) is positioned in the area enclosed by the metal device (2), and/or the orthographic projection of the first magnetic device (3) on the plane of the shell (5) is positioned on the metal device (2); the first magnetic device (3) comprises at least one of a receiver (32), a camera (31), a motor and a loudspeaker.

2. Electronic device according to claim 1, characterized in that, in the case where said first magnetic means (3) comprise a camera (31), the orthographic projection of said camera (31) on the plane of said housing (5) is located within the area enclosed by said metal means (2).

3. The electronic device according to claim 1, characterized in that a second magnetic means (4) is arranged on the metal means (2), the second magnetic means (4) being fixedly connected to the metal means (2).

4. An electronic device as claimed in claim 3, characterized in that the second magnetic means (4) is a ferrite.

5. The electronic device according to claim 4, wherein the ferrite is a ring-shaped ferrite, the ring-shaped ferrite is attached to the metal device (2), and the ring-shaped ferrite is not on the same plane as the metal device (2).

6. The electronic device according to claim 4, characterized in that the ferrite is a square ferrite covering the metal component (2) and the area enclosed by the metal component (2).

7. The electronic device according to claim 6, characterized in that in case the first magnetic means (3) comprises a camera (31), the square ferrite is provided with a through hole (41), the camera (31) being provided in the through hole (41).

8. The electronic device of any of claims 4-7, further comprising:

the display screen and the battery rear cover are arranged on the shell (5), and the display screen and the battery rear cover are arranged oppositely;

the metal device (2) is arranged on the battery rear cover, and the ferrite is arranged between the metal device (2) and the display screen.

9. Electronic device according to claim 1, characterized in that the two open ends (21) are provided with metal contact pins (22), respectively, the open ends (21) being electrically connected with the NFC IC (1) through the metal contact pins (22).

10. The electronic device according to claim 9, characterized in that a signal pin (11) is provided on the NFC IC (1), the signal pin (11) being electrically connected with the metal contact pin (22).