CN112103623A - Multi-feed-point antenna and mobile terminal thereof - Google Patents
Multi-feed-point antenna and mobile terminal thereof Download PDFInfo
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- CN112103623A CN112103623A CN202010947772.1A CN202010947772A CN112103623A CN 112103623 A CN112103623 A CN 112103623A CN 202010947772 A CN202010947772 A CN 202010947772A CN 112103623 A CN112103623 A CN 112103623A
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- 238000009434 installation Methods 0.000 description 2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Abstract
The embodiment of the application discloses multi-feed-point antenna and mobile terminal thereof, wherein, the multi-feed-point antenna comprises an antenna adjusting module, the antenna adjusting module comprises a switch component, a plurality of feed points, a variable capacitor, a radio frequency circuit and an antenna state selecting circuit, a plurality of antenna modes are set in the antenna state selecting circuit, the plurality of feed points and the variable capacitor are respectively connected with the switch component, the radio frequency circuit is correspondingly connected with the variable capacitor and the antenna state selecting circuit, the antenna modes are selected, and the feed points which feed corresponding quantity and frequency bands are selected and connected according to the antenna modes. Through the mode, the feeding point is selected to feed in signals of different frequency bands through selecting the antenna mode, so that the function of multiple antennas or a single antenna is realized, a plurality of entity antennas are not required to be arranged, and the problems of mutual interference and insufficient space among the entity antennas are avoided.
Description
Technical Field
The application relates to the technical field of terminal antennas, in particular to a multi-feed-point antenna and a mobile terminal thereof.
Background
In the process of high-speed development of the mobile phone terminal industry, the requirement of a consumer on the mobile phone terminal is gradually increased from the aspect of simple functions to the requirement on the appearance aesthetics of the mobile phone terminal, the design of the mobile phone terminal tends to be ultrathin more and more under the background, and correspondingly, the space left for designing an antenna of the mobile phone terminal is smaller and smaller as the thickness of the mobile phone terminal is thinner and thinner in design.
When an existing mobile phone terminal is designed with a built-in antenna, in order to meet the requirements that the terminal supports multi-band, multi-input multi-output (MIMO) diversity and the like, multiple entity antennas are often required to be arranged in the mobile phone terminal, but due to the fact that the space of the terminal is limited, mutual interference is often caused among the multiple entity antennas.
Disclosure of Invention
The embodiment of the application provides a multi-feed-point antenna and a mobile terminal thereof, which realize the function of a multi-antenna or a single antenna by respectively feeding signals of different frequency bands through each feed point, do not need to be provided with a plurality of entity antennas, and avoid mutual interference among the entity antennas.
The embodiment of the application provides a multi-feed point antenna, includes: the antenna adjusting module comprises a switch component, a plurality of feeding points, a variable capacitor, a radio frequency circuit and an antenna state selecting circuit, wherein a plurality of antenna modes are set in the antenna state selecting circuit, the feeding points and the variable capacitor are respectively connected with the switch component, the radio frequency circuit is electrically connected with the variable capacitor and the antenna state selecting circuit correspondingly, the antenna modes are selected, and the feeding points which feed corresponding quantity and frequency bands are selected according to the selected antenna mode selecting connection.
Optionally, an antenna number state is set in the antenna mode, and the number of the feeding points is equal to or greater than a maximum value of the numerical values of the antenna number state set in the antenna state selection circuit.
Optionally, the switch assembly includes a first switch and a second switch, the first switch is electrically connected to the second switch, the variable capacitors are respectively connected to the first switch, and the feeding points are respectively connected to the second switch.
Optionally, the feeding points are respectively connected to the second switches, and the second switches feed one or more feeding points simultaneously.
Optionally, the multi-feed-point antenna further includes a frame antenna module, and the plurality of feed points are disposed on the frame antenna module.
Optionally, the frame antenna module includes a first frame antenna and a second frame antenna, the first frame antenna and the second frame antenna are disconnected from each other, part of the feeding points are disposed on the first frame antenna, and part of the feeding points are disposed on the second frame antenna.
The embodiment of the application further provides a mobile terminal, including foretell multi-feed-point antenna, still include center and circuit board, the circuit board is fixed in the center, antenna adjustment module part set up in the center, the part set up in the circuit board, set up in the center antenna adjustment module with set up in the circuit board electric connection between the antenna adjustment module.
Optionally, the middle frame includes a left side frame, an upper frame, a right side frame and a lower frame that are sequentially connected end to end, wherein, the frame antenna module is a part of the lower frame, and the lower frame is a disconnected setting.
Optionally, the plurality of feeding points are disposed on the lower frame, and the plurality of feeding points are electrically connected to the circuit board.
Optionally, the mobile terminal further includes a front shell and a rear shell, the front shell and the rear shell are respectively installed on two sides of the middle frame, and the circuit board is installed between the front shell and the rear shell.
The multi-feed-point antenna and the mobile terminal thereof provided by the embodiment of the application, wherein, the multi-feed-point antenna comprises an antenna adjusting module, the antenna adjusting module comprises a switch component, a plurality of feed points, a variable capacitor, a radio frequency circuit and an antenna state selecting circuit, wherein, a plurality of antenna modes and a plurality of antenna modes are set in the antenna state selecting circuit, the feed points and the variable capacitor are respectively connected with the switch component, the radio frequency circuit is electrically connected correspondingly, the variable capacitor is connected with the antenna state selecting circuit, and when the antenna mode selecting circuit is applied, the antenna modes are selected according to the requirements of the mobile terminal on the number and the resonance characteristics of the antenna, and the feed points are selectively connected according to the selected antenna mode to feed corresponding number and frequency bands. Through the mode, signals fed into different frequency bands are fed through the selected feed points, so that the function of multiple antennas or a single antenna is achieved, a plurality of entity antennas are not required to be arranged, and the problems of mutual interference and insufficient space among the entity antennas are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic connection diagram of a multi-feed antenna according to the present application;
FIG. 2 is another schematic connection diagram of the multi-feed antenna shown in FIG. 1;
FIG. 3 is a schematic diagram of yet another connection for the multi-feed antenna shown in FIG. 1;
fig. 4 is a resonance diagram of a multi-feed point antenna according to the present invention feeding two feed points;
fig. 5 is another resonance diagram of a multi-feed point antenna according to the present application feeding two feed points;
fig. 6 is a resonance diagram of a feeding point fed by a multi-feeding-point antenna according to the present application;
fig. 7 is another resonance diagram of a multi-feed point antenna of the present application feeding a feed point;
referring to fig. 1 to 3, 300 is a multi-feed antenna, 200 is an antenna adjustment module, 100 is an antenna adjustment module, 11 is a first bezel antenna, 12 is a second bezel antenna, 20 is a switch element, 21 is a first switch, and 22 is a second switch.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. The specific meaning of the above terms in the present application can be understood as specific case by case for a person of ordinary skill in the art.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The embodiment of the application provides a multi-feed-point antenna and a mobile terminal thereof, and by setting multiple antenna states and multiple feed points, different feed points are selected according to the antenna states, signals fed into different frequency bands at each feed point are respectively realized, so that the function of the multi-antenna is realized, or one feed point is selected to feed in a radio frequency signal to select the frequency band, a plurality of entity antennas are not required to be arranged, mutual interference among the plurality of entity antennas is avoided, and the problem of insufficient space of the mobile terminal is avoided.
The mobile terminal according to the embodiment of the present application includes a front case (not shown), a rear case (not shown), a middle frame (not shown), a circuit board (not shown), and a multi-feed antenna 300.
The front shell and the rear shell are fixedly assembled with the middle frame and are respectively located on two sides of the middle frame, the front shell, the rear shell and the middle frame are jointly surrounded by a circle to form an accommodating cavity, the front shell comprises a display screen and a touch screen, the rear shell covers a battery of the mobile terminal, the circuit board is fixed on the middle frame and is located in the accommodating cavity, the multi-feed-point antenna 300 is partially arranged on the middle frame, and the multi-feed-point antenna 300 is partially arranged on the circuit board.
Referring to fig. 1 to 3, the multi-feed antenna 300 includes a frame antenna module 100 and an antenna adjusting module 200, wherein the frame antenna module 100 is disposed on a bottom frame of the middle frame, the antenna adjusting module 200 is partially disposed on the bottom frame of the middle frame, is located on the frame antenna module 100, is partially disposed on the circuit board, and is electrically connected to the two antenna adjusting modules 200.
The frame antenna module 100 includes a first frame antenna 11 and a second frame antenna 12, and the first frame antenna 11 and the second frame antenna 12 are disconnected from each other.
Further, the middle frame is made of metal, and the frame antenna module 100 is disposed at the bottom of the middle frame.
In the embodiment of the present application, two openings are formed in the bottom of the frame, and the two openings are broken into three parts, and with one side of the display screen of the mobile terminal as a front side as a reference, the middle part is the first frame antenna 11, and the right part is the second frame antenna 12.
In the embodiment of the present application, the antenna is mainly adjusted by the antenna adjustment module 200.
The antenna adjusting module 200 is configured to enable the mobile terminal to implement a multi-antenna or single-antenna function by feeding different signals, and a plurality of physical antennas are not required to be arranged in the mobile terminal, so that the problems of mutual interference of the plurality of physical antennas and space contraction of the mobile terminal are solved.
Further, the antenna adjusting module 200 includes a switch component 20, a plurality of feeding points (not marked), a variable capacitor (not marked), a radio frequency circuit (not marked), and an antenna state selecting circuit, wherein the switch component 20 is electrically connected to the plurality of feeding points and the plurality of variable capacitors, the plurality of variable capacitors are electrically connected to the plurality of radio frequency paths, and the plurality of radio frequency paths are electrically connected to the plurality of antenna state selecting circuits.
In the embodiment of the present application, the switch component 20 is respectively connected to each of the feeding points and each of the variable capacitors, each of the variable capacitors is connected to a corresponding one of the rf paths, and each of the rf paths is connected to a corresponding one of the antenna state selection circuits.
Referring to fig. 1, fig. 1 is a schematic connection diagram of a multi-feed point antenna according to an embodiment of the present application, and it can be understood that fig. 1 is a schematic connection diagram of an antenna state of a multi-feed point antenna according to an embodiment of the present application, where an embodiment corresponding to fig. 1 is set as an embodiment one.
The multi-feed-point antenna 300 includes a frame antenna module 100 and an antenna adjusting module 200, wherein the frame antenna module 100 includes a first frame antenna 11 and a second frame antenna 12, the first frame antenna 11 and the second frame antenna 12 are both a part of the bottom of the middle frame, and the first frame antenna 11 and the second frame antenna 12 are disconnected from each other.
The antenna adjusting module 200 includes a switch component 20, a feeding point, a variable capacitor, a radio frequency circuit, and an antenna state selecting circuit, where the switch component 20 includes a first switch 21 and a second switch 22, and the feeding point, the variable capacitor, the radio frequency circuit, and the antenna state selecting circuit are all a plurality of.
The switch component 20 is electrically connected to the plurality of variable capacitors and the plurality of feeding points, specifically, the first switch 21 is electrically connected to the second switch 22, the first switch 21 is connected to the plurality of variable capacitors, the second switch 22 is connected to the plurality of feeding points, one of the variable capacitors is electrically connected to one of the rf circuits, and one of the rf circuits is electrically connected to one of the antenna state selection circuits.
In the embodiment of the present application, the first switch 21 can be selectively electrically connected to turn on one of the variable capacitors to turn on one of the rf circuits; the second switch 22 can selectively electrically connect to conduct one of the feeding points, or the second switch 22 can selectively electrically connect to conduct a plurality of the feeding points simultaneously.
The first switch 21 is electrically connected to conduct one of the variable capacitors, and the second switch 22 is electrically connected to conduct one of the feeding points, so that the variable capacitor is conducted with the feeding point; the first switch 21 is selectively electrically connected to one of the variable capacitors, and the second switch 22 is selectively electrically connected to conduct a plurality of the feeding points, so that the variable capacitors are respectively conducted to the plurality of feeding points.
Optionally, the first switch 21 and the second switch 22 may be both single-pole multi-throw switches, and in the embodiment of the present application, both the first switch 21 and the second switch 22 may implement any combination of connection between tuning branches and antenna feeding points.
It should be noted that the radio frequency circuit and the antenna state selection circuit are both circuit modules, the radio frequency circuit is a circuit module that satisfies a certain radio frequency function, the antenna state selection circuit is used to limit the number of antennas, and in the embodiment of the present application, a corresponding circuit connection diagram is not illustrated, and a circuit connection structure thereof is not limited, as long as corresponding function requirements can be satisfied.
The antenna state selection circuit can be an integrated circuit or a plurality of circuit modules, a plurality of antenna modes are set in the antenna state selection circuit, one of the antenna modes can be selected to enter a working state, the number state of the antennas is set in each antenna mode, and the mobile terminal can realize corresponding antenna functions through the corresponding antenna modes.
And simultaneously, according to the selected antenna mode and the number state of the antennas arranged in the antenna mode, the feeding points of corresponding number and frequency band are selected to feed in, so that corresponding functions are realized.
Further, in the embodiment of the present application, three antenna states are taken as an example, the number of feeding points, variable capacitors, radio frequency circuits, and antenna state selection circuits are respectively set to three, wherein each antenna state selection circuit corresponds to one antenna mode, the number of antenna states with a specific value is correspondingly set in each antenna mode, the number of the first switch 21 and the second switch 22 is set to one, the three feeding points are Fd1, Fd2, and Fd3, the three radio frequency circuits are RF1, RF2, and RF3, and the three antenna state selection circuits are a1, a2, and A3.
Three feeding points Fd1, Fd2, and Fd3 are all disposed on the bezel antenna module 100, wherein the feeding points Fd1 and Fd2 are located on the first bezel antenna 11, the feeding point Fd3 is located on the second bezel antenna 12, and the three feeding points Fd1, Fd2, and Fd3 are respectively connected to the second switch 22.
Alternatively, when the number of the feeding points is two, two feeding points may be disposed on the frame antenna module 100, and one feeding point is disposed on the first frame antenna 11, and another feeding point is disposed on the second frame antenna 12, and the number and the disposition position of the feeding points may be set according to specific situations, which is not limited herein.
The antenna state circuit A1 is correspondingly connected with the radio frequency circuit RF1, the antenna state circuit A2 is correspondingly connected with the radio frequency circuit RF2, the antenna state circuit A3 is correspondingly connected with the radio frequency circuit RF3, and the three radio frequency circuits RF1, RF2 and RF3 are respectively connected with the variable capacitors and then are connected to the first switch 21.
In the first embodiment, the antenna state selection circuit A3 is set to the antenna mode 1, the corresponding number of antennas is one antenna, the antenna state selection circuit a2 is set to the antenna mode 2, the corresponding number of antennas is two antennas, the antenna state selection circuit a1 is set to the antenna mode 3, and the corresponding number of antennas is three antennas, so that when the antenna state selection circuit A3 is selected, the functional state of the antenna in the mobile terminal is in a state of one antenna, correspondingly, when the antenna state selection circuit a2 is selected, the functional state of the antenna in the mobile terminal is in a state of two antennas, and so on.
The first embodiment is as follows: when the antenna state selection circuit a3 is selected, and the corresponding RF circuit RF3 and the first switch 21 are turned on, and then one of the feeding points is selected to be turned on, for example, the feeding point Fd3 is selected, the second switch 22 and the feeding point Fd3 are turned on, and the RF circuit RF3 and the feeding point Fd3 are connected, a signal of a corresponding frequency band is fed through the feeding point Fd3 to obtain a corresponding resonance characteristic, so that the antenna function state of the mobile terminal is a single state, thereby satisfying the performance requirement of the mobile terminal.
Referring to fig. 2, fig. 2 is another connection diagram of a multi-feed antenna according to an embodiment of the present application, and it can be understood that fig. 2 is another antenna state connection diagram of a multi-feed antenna according to an embodiment of the present application, where the embodiment corresponding to fig. 2 is set as the second embodiment.
Since the circuit structure compositions of the diagrams corresponding to the embodiments 1 and 2 are the same, and the second embodiment is only another connection form of the first embodiment, detailed descriptions of the circuit structure compositions, the installation connections, and the like of the diagrams corresponding to the second embodiment are omitted.
In the second embodiment, if the antenna state selection circuit a1 is set to the antenna mode 1, the corresponding number of antennas is one antenna, the antenna state selection circuit a2 is set to the antenna mode 2, the corresponding number of antennas is two antennas, the antenna state selection circuit A3 is set to the antenna mode 3, and the corresponding number of antennas is three antennas, the number of antennas in the mobile terminal is two when the antenna state selection circuit a2 is selected.
The second embodiment is as follows: when the antenna state selection circuit a2 is selected, and the corresponding RF circuit RF2 and the first switch 21 are turned on, and then two of the feeding points are selected to be turned on, for example, the feeding point Fd1 and the feeding point Fd2 are selected, the RF circuit RF2 is both turned on with the feeding point Fd1 and the feeding point Fd2, and signals of the corresponding frequency band are fed through the feeding point Fd1 and the feeding point Fd2 to obtain the corresponding resonance characteristics, so that the antenna function state of the mobile terminal is two, thereby meeting the performance requirement of the mobile terminal.
Referring to fig. 3, fig. 3 is a schematic connection diagram of a multi-feed point antenna according to an embodiment of the present application, and it can be understood that fig. 3 is a schematic connection diagram of another antenna state of a multi-feed point antenna according to an embodiment of the present application, where the embodiment corresponding to fig. 3 is set as a third embodiment.
Since the circuit structure compositions of the diagrams corresponding to embodiments 1, 2, and 3 are the same, and embodiment three is only another connection form of embodiment one, the circuit structure compositions and the installation connections of the diagrams corresponding to embodiment three will not be described in detail again.
In the third embodiment, if the antenna state selection circuit a1 is set to the antenna mode 1, the corresponding number of antennas is one antenna, the antenna state selection circuit a2 is set to the antenna mode 2, the corresponding number of antennas is two antennas, the antenna state selection circuit A3 is set to the antenna mode 3, and the corresponding number of antennas is three antennas, then when the antenna state selection circuit a2 is selected, the state of the antenna function in the mobile terminal is two.
The third embodiment is as follows: when the antenna state selection circuit a3 is selected, and the corresponding RF circuit RF3 and the first switch 21 are turned on, and then the RF circuit RF3 is turned on with the feeding point Fd1, the feeding point Fd2 and the feeding point Fd3, signals of the corresponding frequency band are fed through the feeding point Fd1, the feeding point Fd2 and the feeding point Fd3 to obtain the corresponding resonance characteristics, so that the antenna function state of the mobile terminal is in a three-phase state, thereby satisfying the performance requirement of the mobile terminal.
Optionally, in actual electrical connection, the antenna adjustment module 200 further includes a conventional electrical connection such as grounding.
It should be noted that, in the embodiment of the present application, the radio frequency circuit is correspondingly connected to the antenna state selection circuit, the set number of the feeding points is determined according to the number of antennas corresponding to the antenna mode set in the antenna state selection circuit, and the number of the feeding points is equal to or greater than the maximum value of the number of antennas, for example, when the number of antennas set in the antenna state selection circuit to the maximum is five, the number of the feeding points may be set to five or greater than five.
It should be noted that the number of the feed points to be turned on is determined according to the number of the antennas set in the antenna state selection circuit, for example, when the number of the antenna state set in the antenna state selection circuit that is selected to operate is four, four feed points need to be selected from a plurality of feed points to be turned on.
It should be noted that, the above is only described as an example of the embodiment of the present application, where the maximum value of the number of antennas is set to be a state of three antenna functions, and in other embodiments, the number of antenna functions of the mobile terminal may be set to be four or five, and the like, and the principle is the same, and details are not described herein again.
Referring to fig. 4 and 5, fig. 4 is a resonance diagram of a multi-feed point antenna feeding two feeding points according to an embodiment of the present disclosure, and fig. 5 is another resonance diagram of a multi-feed point antenna feeding two feeding points according to an embodiment of the present disclosure, where horizontal axes of the two resonance diagrams represent frequency, and vertical axes of the two resonance diagrams represent S parameters, i.e., scattering parameters.
The two graphs are the antenna modes with the value of 2, that is, the mobile terminal is a mode with two antennas, the first switch 21 and the corresponding antenna state selection circuit are turned on, and the second switch 22 is connected to the resonance graph obtained by turning on the two feeding points, the two resonance graphs are different in that the two feeding points in fig. 4 are respectively and independently fed with radio frequency signals, and the two feeding points in fig. 5 are combined to feed the radio frequency signals.
Referring to fig. 6 and 7, fig. 6 is a resonance diagram of a feeding point fed by a multi-feed point antenna according to an embodiment of the present application, and fig. 7 is another resonance diagram of a feeding point fed by a multi-feed point antenna according to an embodiment of the present application, where horizontal axes of the two diagrams represent frequency, and vertical axes of the two diagrams represent S parameters, i.e., scattering parameters.
In both figures, namely, the antenna mode with the value of 1 for selecting the number state of antennas, namely, the mode in which the mobile terminal is a single antenna, the first switch 21 and the corresponding antenna state selection circuit are turned on, and the second switch 22 is connected to and turned on a resonance diagram obtained by turning on one feeding point, the two resonance diagrams are different because the feeding points fed in are not the same, wherein the feeding point located on the first frame antenna 11 is fed in fig. 6, and the feeding point located on the second frame antenna 12 is fed in fig. 7.
The embodiment of the application provides a multi-feed-point antenna and a mobile terminal thereof, the mobile terminal comprises a front shell, a rear shell, a middle frame and a circuit board, wherein the front shell and the rear shell are respectively installed on two sides of the middle frame, a containing cavity is formed between the front shell, the rear shell and a circle of the edge of the middle frame, and the circuit board is fixed on the middle frame and located in the containing cavity.
Furthermore, the center includes left side frame, last frame, right side frame and the lower frame that the head and the tail connected gradually, the lower frame is the disconnection setting.
Further, the multi-feed-point antenna 300 includes a frame antenna module 100 and an antenna adjusting module 200, wherein the frame antenna module 100 is a part of the lower frame, the antenna adjusting module 200 includes a switch component 20, a plurality of feed points, a variable capacitor, a radio frequency circuit and an antenna state selecting circuit, the plurality of feed points are disposed on the frame antenna module 100, the switch component 20, the plurality of variable capacitor, the radio frequency circuit and the antenna state selecting circuit are disposed on the circuit board, each of the antenna state selecting circuits is set with an antenna mode, the plurality of feed points and the variable capacitor are respectively connected with the switch component 20, and the radio frequency circuit is electrically connected with the variable capacitor and the antenna state selecting circuit correspondingly. When the antenna state selection circuit is applied, one of the antenna state selection circuits is selected according to the requirements of the mobile terminal on the number of antennas and resonance characteristics, and the feeding points feeding corresponding number and frequency band characteristics are selected according to the value of the antenna number device corresponding to the antenna mode set in the antenna state selection circuit, so that the mobile terminal can feed signals of different frequency bands through selecting the feeding points to realize the functions of multiple antennas or single antenna, a plurality of entity antennas are not required to be arranged, and the problems of mutual interference among the multiple entity antennas and insufficient terminal space are avoided.
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-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (10)
1. A multi-feed antenna, comprising: the antenna adjusting module comprises a switch component, a plurality of feeding points, a variable capacitor, a radio frequency circuit and an antenna state selecting circuit, wherein a plurality of antenna modes are set in the antenna state selecting circuit, the feeding points and the variable capacitor are respectively connected with the switch component, the radio frequency circuit is electrically connected with the variable capacitor and the antenna state selecting circuit correspondingly, the antenna modes are selected, and the feeding points which feed corresponding quantity and frequency bands are selected according to the selected antenna mode selecting connection.
2. The multi-feed-point antenna according to claim 1, wherein an antenna number state is set in the antenna pattern, and the number of feed points is equal to or greater than a maximum value of the numerical values of the antenna number state.
3. The multi-feed antenna of claim 1, wherein the switch assembly includes a first switch and a second switch, the first switch and the second switch being electrically connected, the variable capacitors each being connected to the first switch, and the feed points each being connected to the second switch.
4. The multi-feed antenna of claim 3, wherein said feed points are each connected to said second switches, respectively, which feed one or more of said feed points simultaneously.
5. The multi-feed antenna of claim 1, further comprising a bezel antenna module, wherein a plurality of the feed points are disposed on the bezel antenna module.
6. The multi-feed-point antenna as claimed in claim 5, wherein the frame antenna module comprises a first frame antenna and a second frame antenna, the first frame antenna and the second frame antenna are disconnected from each other, a part of the feed point is disposed on the first frame antenna, and a part of the feed point is disposed on the second frame antenna.
7. A mobile terminal, comprising the multi-feed-point antenna according to any one of claims 1 to 6, further comprising a middle frame and a circuit board, wherein the circuit board is fixed to the middle frame, the antenna adjustment module is partially disposed on the middle frame, partially disposed on the circuit board, electrically connected between the antenna adjustment module disposed on the middle frame and the antenna adjustment module disposed on the circuit board.
8. The mobile terminal according to claim 7, wherein the middle frame comprises a left frame, an upper frame, a right frame and a lower frame which are sequentially connected end to end, wherein the frame antenna module is a part of the lower frame, and the lower frame is in a disconnected configuration.
9. The mobile terminal of claim 8, wherein a plurality of the feeding points are disposed on the lower frame, and a plurality of the feeding points are electrically connected to the circuit board.
10. The mobile terminal of claim 7, further comprising a front case and a rear case, wherein the front case and the rear case are respectively mounted on two sides of the middle frame, and the circuit board is mounted between the front case and the rear case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010947772.1A CN112103623A (en) | 2020-09-10 | 2020-09-10 | Multi-feed-point antenna and mobile terminal thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010947772.1A CN112103623A (en) | 2020-09-10 | 2020-09-10 | Multi-feed-point antenna and mobile terminal thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112103623A true CN112103623A (en) | 2020-12-18 |
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| CN202010947772.1A Pending CN112103623A (en) | 2020-09-10 | 2020-09-10 | Multi-feed-point antenna and mobile terminal thereof |
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Application publication date: 20201218 |
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