CN214313511U

CN214313511U - 5G terminal antenna and terminal

Info

Publication number: CN214313511U
Application number: CN202022735385.XU
Authority: CN
Inventors: 张智勇
Original assignee: Chongqing Chuanyin Communication Technology Co ltd
Current assignee: Chongqing Chuanyin Communication Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-09-28
Anticipated expiration: 2030-11-23

Abstract

The application discloses 5G terminal antenna and terminal, 5G terminal antenna is applied to the terminal, includes: the terminal comprises a radiating body, a feed point and a feed point, wherein the feed point and the feed point are arranged on the radiating body, the radiating body is a metal decoration frame arranged on the periphery of a terminal camera, the feed point is connected with a feed end on a terminal mainboard, and the feed point is connected with a feed end on the terminal mainboard. This application can be with the dress escutcheon multiplexing for the terminal antenna of making a video recording to increase antenna quantity, optimize the antenna performance.

Description

5G terminal antenna and terminal

Technical Field

The application relates to the technical field of terminals, in particular to a 5G terminal antenna and a terminal.

Background

With the increasing requirements of people on shooting of terminals such as mobile phones, the design of the camera module is more and more emphasized, and the camera module is focused by design manufacturers from the number of cameras, pixel selection and appearance processes. The camera decorative frame made of metal materials has metal texture and luster which are not possessed by other materials, and is strong in hardness, so that the camera decorative frame becomes a preferred design when being designed by many manufacturers at present. In some implementations, in order to meet ESD (Electro-Static discharge) requirements of the metal camera trim, grounding of the metal trim is required to discharge Static electricity. In addition, with the development of 5G communication, MIMO (multiple input multiple output) communication is imperative, the number of antennas on a 5G mobile phone is 1 times more than that of a 4G mobile phone, and the 5G mobile phone is basically spread over the whole machine, especially at the end of a main board, and there is no available space, and the number of antennas is also an important factor for determining the communication performance of the whole machine, and the number of antennas can be effectively increased through reasonable layout. Therefore, how to design an antenna in a mobile terminal with a camera module and optimize the performance of the antenna becomes a research direction in the present stage.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a 5G terminal antenna and terminal, can be with the dress trim box multiplexing for 5G terminal antenna of making a video recording to increase antenna quantity, optimize the antenna performance.

In order to achieve the purpose, the technical scheme of the application is realized as follows:

in a first aspect, an embodiment of the present application provides a 5G terminal antenna, which is applied to a terminal, and includes: the terminal comprises a radiating body, a feed point and a feed point, wherein the feed point and the feed point are arranged on the radiating body, the radiating body is a metal decoration frame arranged on the periphery of a terminal camera, the feed point is connected with a feed end on a terminal mainboard, and the feed point is connected with a feed end on the terminal mainboard.

Optionally, the feeding point is connected to a feeding end on the terminal main board through a first matching circuit.

Optionally, the camera and the metal decoration frame are sealed through foam.

Optionally, the terminal antenna further includes at least one reserved feed point, and optionally, the reserved feed point is connected to a feed end on the terminal motherboard.

Optionally, the first matching circuit comprises a matching network device or a tuning device.

Optionally, the reserved feed point is connected to a feed end on the terminal main board through a second matching circuit.

Optionally, the second matching circuit comprises a matching network device or a tuning device.

Optionally, the terminal antenna is at least one of a 5G MIMO antenna, a GPS antenna, and a WiFi antenna.

Optionally, the terminal camera is a front camera of the terminal or a rear camera of the terminal, and optionally, the feeding end is an antenna feeding elastic sheet.

In a second aspect, an embodiment of the present application provides a terminal, where the terminal includes the terminal antenna.

The technical scheme provided by the embodiment of the application has the following beneficial effects:

according to the terminal antenna and the terminal provided by the embodiment of the application, the metal decoration frame arranged on the periphery of the terminal camera is reused as the radiator of the terminal antenna, the feed point of the terminal antenna is connected with the feed end on the terminal mainboard, and the feed point of the terminal antenna is connected with the feed end on the terminal mainboard. Therefore, the metal frame for peripheral decoration of the terminal camera is used as the terminal antenna, the whole occupied space of the mobile terminal is saved, the space utilization rate is improved, and good antenna performance can be realized.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a terminal antenna according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a terminal antenna according to an embodiment of the present application;

fig. 3 is a block diagram of a terminal antenna in an embodiment of the present application;

FIG. 4 is a diagram illustrating simulation curves of S11 parameters of the terminal antenna of FIG. 3;

FIG. 5 is a schematic diagram of the Smith circle of the terminal antenna of FIG. 3;

fig. 6 is a block diagram of a terminal according to an embodiment of the present application.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus. Without further limitation, the recitation of an element by the phrase "comprising an … …" does not exclude the presence of additional like elements in the process, method, article, or apparatus that comprises the element, and further, where similarly-named elements, features, or elements in different embodiments of the disclosure may have the same meaning, or may have different meanings, that particular meaning should be determined by their interpretation in the embodiment or further by context with the embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, species, and/or groups thereof. The terms "or," "and/or," "including at least one of the following," and the like, as used herein, are to be construed as inclusive or mean any one or any combination. For example, "includes at least one of: A. b, C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C ", again for example," A, B or C "or" A, B and/or C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C'. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for the convenience of description of the present application, and have no specific meaning in themselves. Thus, "module", "component" or "unit" may be used mixedly.

The terminal may be implemented in various forms. For example, the terminal described in the present application may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.

Referring to fig. 1 and fig. 2, a terminal antenna provided in the embodiment of the present application is applied to a terminal, where the terminal may be a smart phone, a personal digital assistant, a tablet computer, and the like. The terminal comprises a camera module, the camera module comprises a camera and a metal decoration frame arranged on the periphery of the camera of the terminal, the terminal antenna comprises a radiating body 10, a feed point 11 and a feed point 12, the feed point is arranged on the radiating body 10, and the radiating body 10 is the metal decoration frame arranged on the periphery of the camera of the terminal.

Specifically, the feeding point 11 of the terminal antenna is connected to a feeding end 14 on the terminal main board 13 for feeding, and the feeding end 14 may be an antenna feeding elastic sheet. The feed point 11 of the terminal antenna can also be a feed spring plate, and the selection can be flexibly selected according to the frequency band to be debugged and the design form of the antenna, and a matching network device or a tuning device can be reserved for mainboard feeding to carry out matching debugging or frequency point adjustment. The matching network device may include a resistor, a capacitor, etc., and the tuning device may include an inductor, etc. The terminal main board 13 may be a flexible circuit board (FPC).

The ground feed point 12 of the terminal antenna is connected to a ground feed terminal 15 on the terminal main board 13 to be grounded. The feed point 12 of the terminal antenna and the terminal main board 13 may be connected without a matching circuit.

In this embodiment, the metal bezel is used as the radiator 10 of the terminal antenna, and the feeding point 11 and the feeding point 12 of the terminal antenna are disposed on the metal bezel. Several antenna elastic sheets and contacts are reserved on the terminal main board 13 and the metal decoration frame at the same time, the number and the positions of the reserved antenna elastic sheets and contacts can be flexibly changed, but at least 2 antenna elastic sheets and contacts are respectively arranged, namely, the terminal antenna at least comprises a feed point and a ground point, the corresponding terminal main board 13 at least comprises a feed end and a ground end, and the range of the antenna frequency bands distributed on the metal decoration frame can be determined according to the actual debugging condition and the requirement.

Here, the terminal antenna may be at least one of a 5G MIMO antenna, a GPS antenna, a WiFi antenna. The terminal camera can be a front camera of the terminal or a rear camera of the terminal.

Here, the camera and the metal decoration frame can be sealed by foam, so that dust or moisture in the outside air is difficult to pass through the camera, the foam and the metal decoration frame to enter the camera lens.

In this embodiment, the terminal antenna may further include at least one reserved feed point 20, as shown in fig. 2, fig. 2 shows two reserved feed points 20, which is not limited to this embodiment, and in other embodiments, the number of the reserved feed points 20 may also be other. In addition to the feed point and the feed point, the terminal antenna may further include at least one reserved feed point 20, and the reserved feed point 20 may be used as a tuning feed according to the tuning requirement, and may be optimized for tuning by connecting a matching circuit, such as a tuning device or a matching network, to the ground.

Fig. 3 is a block diagram of a terminal antenna. Referring to fig. 3, the terminal may further include a first matching circuit 40 and/or a second matching circuit 41, the first matching circuit 40 may include a matching network device or a tuning device, the second matching circuit 41 may also include a matching network device or a tuning device, the first matching circuit 40 and the second matching circuit 41 are disposed on the terminal main board 13, and the feeding point 11 may further be connected to the feeding terminal 14 on the terminal main board 13 through the first matching circuit 40. The reserved ground feed point 20 may also be connected to the ground feed terminal 15 on the terminal main board 13 through a second matching circuit 41 for grounding. In this embodiment, the first matching circuit 40 and the second matching circuit 41 may be used to perform matching debugging or frequency point adjustment on the terminal antenna, so as to improve the efficiency of the terminal antenna.

The following verification is made on a handset with a back-camera according to fig. 3: the schematic diagram of the equivalent antenna of the above verification case is shown in fig. 3, where the contact 11 is a feeding point of the terminal antenna and is connected to the feeding terminal 14 of the terminal motherboard through the first matching circuit 40, and the contact 12 is a feeding point of the terminal antenna and is directly connected to the ground terminal of the terminal motherboard to be grounded; the contact 20 is a reserved feed point of the terminal antenna, and is connected with the feed end of the terminal mainboard through the second matching circuit 41 to be grounded, so that the contact can be used for adjusting and matching and optimizing the antenna and frequency points, and adjustment can be performed according to actual debugging. Of course, the position of each contact can be adjusted arbitrarily according to the actual debugging situation and the environmental difference.

FIG. 4 is a diagram illustrating simulation curves of S11 parameters of the terminal antenna of FIG. 3; fig. 5 is a schematic diagram of a Smith circle of the terminal antenna of fig. 3, and since antenna resonance can be generated in the ranges of the 5G frequency band N78(3.3 GHz-3.8 GHz) and N79(4.4 GHz-5.0 GHz), only the bandwidth of some frequency bands is relatively narrow, adjustment and optimization can be performed through a matching network or a tuning device in a matching circuit. Because partial clearance processing is not performed on the mainboard and the face shell near the camera of the terminal used in the verification case, the antenna efficiency of the terminal is about 25 percent, and certainly, the antenna efficiency value can be different according to the debugging environment and the debugging form of each terminal. However, for 5G MIMO terminal antennas, the improvement of the overall antenna performance by 20% efficiency of a single antenna is also considerable, and the improvement of the overall antenna performance by more than one antenna is equivalent to the improvement of the overall antenna efficiency by one level. The S11 parameter represents the return loss characteristic and represents the radiation efficiency of the antenna, and as can be seen from fig. 4 and 5, a better S11 parameter can be obtained, which indicates that the terminal antenna has a better radiation frequency in the designed frequency band, and indicates that the antenna radiation performance is good.

In summary, by using the metal decoration of the camera module as a radiation antenna, a reasonably feasible antenna design solution can be provided for the 5G terminal which is worried about reasonable layout of the antenna at present.

Based on the same concept of the present invention, the present application provides a terminal, as shown in fig. 6, the terminal 600 may be a smart phone, a personal digital assistant, a tablet computer, or the like. The terminal 600 includes the terminal antenna in the above-described embodiment.

Referring to fig. 6, in practical implementation, the terminal 600 may further include a memory 102, a storage controller 104, one or more processors 106 (only one of which is shown), a peripheral interface 108, a radio frequency module 150, a positioning module 112, a camera module 114, an audio module 116, a screen 118, and a key module 160. These components communicate with each other via one or more communication buses/signal lines 122.

It will be appreciated that the configuration shown in fig. 6 is merely illustrative, and that terminal 600 may include more or fewer components than shown in fig. 6, or have a different configuration than shown in fig. 6. The components shown in fig. 6 may be implemented in hardware, software, or a combination thereof.

The memory 102 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 102 may further include memory located remotely from the processor 106, which may be connected to the terminal 600 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof. Access to the memory 102 by the processor 106, and possibly other components, may be under the control of the memory controller 104.

Peripheral interface 108 couples various input/output devices to the CPU and memory 102. The processor 106 executes various software, instructions within the memory 102 to perform various functions of the terminal 600 and to perform data processing.

In some embodiments, the peripheral interface 108, the processor 106, and the memory controller 104 may be implemented in a single chip. In other examples, they may be implemented separately from the individual chips.

The rf module 150 is used for receiving and transmitting electromagnetic waves, and implementing interconversion between the electromagnetic waves and electrical signals, so as to communicate with a communication network or other devices. Rf module 150 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. The rf module 150 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices via a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The Wireless network may use various Communication standards, protocols, and technologies, including, but not limited to, Global System for Mobile Communication (GSM), Enhanced Data GSM Environment (EDGE), wideband Code division multiple Access (W-CDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), bluetooth, Wireless Fidelity (WiFi) (e.g., Institute of Electrical and Electronics Engineers (IEEE) standard IEEE802.11 a, IEEE802.11 b, IEEE802.1 g, and/or IEEE802.11 n), Voice over Internet Protocol (VoIP), world wide mail Access (Microwave for Access, Access to Wireless, Max), and any other suitable Communication protocols for short message Communication, and may even include those protocols that have not yet been developed.

The positioning module 112 is used for acquiring the current position of the terminal 600. Examples of the positioning module 112 include, but are not limited to, a global positioning satellite system (GPS), a wireless local area network-based positioning technology, or a mobile communication network-based positioning technology.

The camera module 114 is used to take a picture or video. The pictures or videos taken may be stored in the memory 102 and transmitted through the radio frequency module 150. The camera module 114 includes a camera and a metal decorative frame disposed at the periphery of the terminal camera, and the metal decorative frame disposed at the periphery of the terminal camera is used as the radiator 10 of the terminal antenna.

Audio module 116 provides an audio interface to a user that may include one or more microphones, one or more speakers, and audio circuitry. The audio circuitry receives audio data from the peripheral interface 108, converts the audio data to electrical information, and transmits the electrical information to the speaker. The speaker converts the electrical information into sound waves that the human ear can hear. The audio circuitry also receives electrical information from the microphone, converts the electrical information to voice data, and transmits the voice data to the peripheral interface 108 for further processing. The audio data may be retrieved from the memory 102 or through the radio frequency module 150. In addition, the audio data may also be stored in the memory 102 or transmitted through the radio frequency module 150. In some examples, the audio module 116 may also include an earphone jack for providing an audio interface to a headset or other device.

The screen 118 provides an output interface between the terminal 600 and the user. In particular, screen 118 displays video output to the user, the content of which may include text, graphics, video, and any combination thereof. Some of the output results are for some of the user interface objects. It is understood that the screen 118 may also include a touch screen. The touch screen provides an output and an input interface between the terminal 600 and the user at the same time. In addition to displaying video output to users, touch screens also receive user input, such as user clicks, swipes, and other gesture operations, so that user interface objects respond to these user input. The technique of detecting user input may be based on resistive, capacitive, or any other possible touch detection technique. Specific examples of touch screen display units include, but are not limited to, liquid crystal displays or light emitting polymer displays.

The key module 160 also provides an interface for a user to input to the terminal 600, and the user can press different keys to cause the terminal 600 to perform different functions.

To sum up, the terminal antenna and the terminal provided by the embodiment of the present application reuse the metal decoration frame disposed at the periphery of the terminal camera as the radiator of the terminal antenna, the feed point of the terminal antenna is connected to the feed end on the terminal motherboard, and the feed point of the terminal antenna is connected to the ground end on the terminal motherboard. Therefore, the metal frame for peripheral decoration of the terminal camera is used as the terminal antenna, the whole occupied space of the mobile terminal is saved, the space utilization rate is improved, and good antenna performance can be realized.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims

1. A5G terminal antenna is applied to a terminal and is characterized by comprising: the terminal comprises a radiating body, a feed point and a feed point, wherein the feed point and the feed point are arranged on the radiating body, the radiating body is a metal decoration frame arranged on the periphery of a terminal camera, the feed point is connected with a feed end on a terminal mainboard, and the feed point is connected with a feed end on the terminal mainboard.

2. The antenna of claim 1, wherein the feed point is connected to a feed terminal on a termination board through a first matching circuit.

3. The antenna of claim 1, wherein the camera head and the metal bezel are sealed with foam.

4. The antenna of claim 1, wherein the terminal antenna further comprises at least one reserved feed point, and the reserved feed point is connected to a feed terminal on a terminal main board.

5. The antenna of claim 2, wherein the first matching circuit comprises a matching network device or a tuning device.

6. The antenna of claim 4, wherein the reserved feed point is connected to a feed terminal on the terminal main board through a second matching circuit.

7. The antenna of claim 6, wherein the second matching circuit comprises a matching network device or a tuning device.

8. The antenna according to any of claims 1 to 4, wherein the terminal antenna is at least one of a 5G MIMO antenna, a GPS antenna, a WiFi antenna.

9. The antenna of claim 1 or 3, wherein the terminal camera is a front camera of the terminal or a rear camera of the terminal, and the feeding end is an antenna feeding spring.

10. A terminal, comprising: the 5G terminal antenna of any one of claims 1 to 9.