CN112072291A - Antenna structure and terminal - Google Patents
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- CN112072291A CN112072291A CN202010936301.0A CN202010936301A CN112072291A CN 112072291 A CN112072291 A CN 112072291A CN 202010936301 A CN202010936301 A CN 202010936301A CN 112072291 A CN112072291 A CN 112072291A
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- 238000012360 testing method Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000004590 computer program Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 description 1
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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
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
- H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
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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
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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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
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Abstract
The present disclosure provides an antenna structure and a terminal, wherein the antenna structure includes: the metal medium is provided with a slot, the slot divides the metal medium into a first metal section and a second metal section which are positioned at two sides of the slot, the first metal section is connected with a first grounding terminal, and the second metal section is connected with a second grounding terminal; the first antenna signal source is fed to the first metal section through the first matching circuit; the second antenna signal source is fed to the second metal section through the second matching circuit; the first matching circuit is used for filtering resonant waves with frequency greater than the first frequency, the second matching circuit is used for filtering resonant waves with frequency less than the second frequency, and the first frequency is less than the second frequency. The antenna structure in the embodiment of the disclosure can reduce the isolation of the antenna module without reducing the performance of the antenna module and increasing the number of slots.
Description
Technical Field
The present disclosure relates to the field of antenna technologies, and in particular, to an antenna structure and a terminal.
Background
The intelligent terminals such as mobile phones and tablets need to be provided with antennas for receiving and transmitting signals, along with more and more integrated functions in the intelligent terminals, more and more modules in the terminals are provided, and the number of the antennas in the terminals is increased accordingly. The metal frame adopted by the terminal is often slotted to enhance the antenna signal, but the number of slots of the metal frame antenna is limited, so that part of antennas need to share one slot, which results in poor isolation and poor performance of the antenna.
Disclosure of Invention
To solve the existing problems, the present disclosure provides an antenna structure and a terminal.
The present disclosure adopts the following technical solutions.
In some embodiments, the present disclosure provides an antenna structure comprising:
the metal medium is provided with a slot, the slot divides the metal medium into a first metal section and a second metal section which are positioned at two sides of the slot, the first metal section is connected with a first grounding terminal, and the second metal section is connected with a second grounding terminal;
the first antenna signal source is fed to the first metal section through the first matching circuit;
the second antenna signal source is fed to the second metal section through the second matching circuit;
the first matching circuit is used for filtering resonant waves with frequency greater than first frequency, the second matching circuit is used for filtering resonant waves with frequency less than second frequency, and the first frequency is less than the second frequency.
In some embodiments, the present disclosure provides a terminal comprising: an antenna structure according to any of the present disclosure.
The antenna structure provided by the embodiment of the disclosure, for different antenna modules sharing one slot, through setting the corresponding matching circuit, reduces the isolation of the antenna module without reducing the performance of the antenna module and increasing the number of the slots.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and elements are not necessarily drawn to scale.
Fig. 1 is a schematic diagram of an antenna structure of an embodiment of the present disclosure.
Fig. 2 is a schematic connection diagram of a first metal segment, a first antenna signal source, and a first matching circuit according to an embodiment of the disclosure.
Fig. 3 is a schematic connection diagram of a second metal segment, a second antenna signal source, and a second matching circuit according to an embodiment of the disclosure.
Fig. 4 is a graph of echo damage test results for a first antenna module of an embodiment of the disclosure.
Fig. 5 is a graph of echo damage test results for a second antenna module according to an embodiment of the disclosure.
Fig. 6 is a passive efficiency diagram of a first antenna module of an embodiment of the disclosure.
Fig. 7 is a passive efficiency diagram of a second antenna module of an embodiment of the present disclosure.
Fig. 8 is a graph of isolation test results for a first antenna module and a second antenna module according to an embodiment of the disclosure.
Fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure.
Reference numerals: 1. a metal dielectric; 11. a first metal segment; 12. a second metal segment; 21. a first antenna signal source; 22. a second antenna signal source; 31. a first matching circuit; 32. a second matching circuit; 311. a first inductor; 321. a second inductor; 312. a first capacitor; 322. a second capacitor; 33. a third matching circuit; 331. a third inductor; 332. and a third capacitor.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be understood that various steps recited in method embodiments of the present disclosure may be performed in parallel and/or in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present disclosure is not limited in this respect.
The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a" or "an" in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that reference to "one or more" unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
With the increasing popularization of full-screen terminals, the use environment of antenna equipment in terminals such as mobile phones and tablets is increasingly poor, in order to improve the performance of the antenna, part of the terminals use a metal frame and slots are formed in the metal frame to increase the signal strength of the antenna, however, the number of slots in the metal frame is strictly limited, which causes that part of the antennas need to share one slot with other antennas, which causes poor antenna isolation, causes the existence of TRP (Total Radiated Power) and TIS (Total Radiated transmit parameter) deterioration of the antenna and EMC (Electromagnetic Compatibility) interference, affects the performance of the antenna, and reduces the antenna isolation in a manner of reducing the performance of one antenna in part of the schemes, but causes the performance of at least one antenna to be insufficient.
In order to solve the above problem at least partially, and reduce the performance of two antenna modules sharing a slot while ensuring the antenna performance, the present application provides an antenna structure and a terminal.
As shown in fig. 1, fig. 1 is a schematic diagram of an antenna structure according to some embodiments of the present disclosure, where the antenna structure includes: the metal medium 1 is provided with a slot, the slot divides the metal medium 1 into a first metal section 11 and a second metal section 12 which are positioned at two sides of the slot, the first metal section 11 is connected with a first grounding terminal, the second metal section 12 is connected with a second grounding terminal, and the first grounding terminal and the second grounding terminal can be one grounding terminal or different grounding terminals.
The first antenna signal source 21 is fed to the first metal segment 11 through the first matching circuit 31, for example, to the edge of the first metal segment 11 near the slot. A second antenna signal source 22, which is fed to the second metal segment 12 through a second matching circuit 32, for example, to the edge of the second metal segment 12 close to the slot; the first matching circuit 31 is configured to filter out a resonant wave with a frequency greater than a first frequency, the second matching circuit 32 is configured to filter out a resonant wave with a frequency less than a second frequency, and the first frequency is less than the second frequency. As shown in fig. 1, in the present embodiment, the antenna structure includes a first antenna module including a first antenna signal source 21, a first matching circuit 31, and a first metal segment 11, and a second antenna module including a second antenna signal source 22, a second matching circuit 32, and a second metal segment 12. In the prior art, when two antenna modules share one slot, the isolation between the antenna modules is reduced, or the performance of the antenna modules is reduced. In some embodiments of the present disclosure, by providing the first matching circuit 31 and the second matching circuit 32, the first antenna module filters high-frequency signals, the second antenna module filters low-frequency signals, and the working frequency bands of the first antenna module and the second antenna module do not overlap, so that the isolation of the antenna module can be improved without reducing the performance of the antenna module by using a corresponding filtering mode of the matching circuit.
In some embodiments of the present disclosure, referring to fig. 2, the first matching circuit 31 includes a first inductor 311, and the first inductor 311 is connected in series with the first antenna signal source 21 and the first metal segment 11. In this embodiment, the operating frequency band of the first matching circuit is not higher than the first frequency, that is, the first matching circuit 31 in this embodiment is used to pass low frequency impedance high frequency, and since the inductor can pass direct current and alternating current, the inductor can filter out high frequency resonance waves by connecting the first inductor 311 in series, and at this time, the inductance value of the first inductor 311 may be not less than 20nH, for example, 21.5 nH.
In some embodiments of the present disclosure, referring to fig. 3, the second matching circuit 32 includes a second inductor 321, one end of the second inductor 321 is connected between the second antenna signal source 22 and the second metal segment 12, and the other end of the second inductor 321 is connected to the third ground terminal. In this embodiment, the operating frequency band of the second matching circuit is not less than the second frequency band, and at this time, the second matching circuit is used to pass high frequency and low frequency, so the second inductor 321 cannot be connected in series between the second antenna signal source 22 and the second metal segment 12, and needs to be connected in parallel, so as to filter the low frequency signal in the second antenna module and retain the high frequency signal in the second antenna module, therefore, the inductance value of the second inductor 321 should be selected to be relatively small, for example, the inductance value of the second inductor 321 may be not higher than 4.5nH, and may be 4.3nH, for example.
In some embodiments of the present application, the inductance value of the first inductor 311 is greater than the inductance value of the second inductor 321. Therefore, the working frequency band of the first matching circuit and the working frequency band of the second matching circuit can be ensured not to be overlapped.
In some embodiments of the present application, referring to fig. 2, the first matching circuit 31 includes a first capacitor 312, one end of the first capacitor 312 is connected between the first antenna signal source 21 and the first metal segment 11, and the other end of the first capacitor 312 is connected to a fourth ground terminal. The capacitor can play a role of passing through alternating current and direct current, therefore, the first capacitor 312 is grounded in the present embodiment, so that the high-frequency signal in the first antenna module can be filtered by the first capacitor 312, and in the present embodiment, the capacitance value of the first capacitor 312 may be not less than 3pF, for example, may be 3.3 pF.
In some embodiments of the present application, referring to fig. 3, the second matching circuit 32 includes a second capacitor 322, and the second capacitor 322 is connected in series with the second antenna signal source 22 and the second metal segment 12. In the present embodiment, the second matching circuit 32 is provided with the second capacitor 322 connected in series, so that the low frequency signal can be filtered.
In some embodiments of the present application, the capacitance value of the first capacitor 312 is greater than the capacitance value of the second capacitor 322.
In some embodiments of the present application, please refer to fig. 2, the antenna structure further includes: a third matching circuit 33; the third matching circuit 33 is connected between the first antenna signal source 21 and the first matching circuit 31, or the third matching circuit 33 is connected between the first matching circuit 31 and the first metal segment 11; the stopband of the third matching circuit 33 and the passband of the first matching circuit have an intersection, and the passband of the first matching circuit is the operating frequency band of the first matching circuit. The frequency band can be further limited within the operating frequency band of the first matching circuit by providing the third matching circuit 33, thereby accurately defining the operating frequency band of the first antenna module.
In some embodiments of the present application, the third matching circuit 33 includes: and a third inductor 331, wherein one end of the third inductor 331 is connected between the first antenna signal source 21 and the first metal segment 11, and the other end of the third inductor 331 is connected to a fifth ground terminal. In this embodiment, the third inductor 331 is used to filter out signals with too low frequency.
In some embodiments of the present application, the third matching circuit 33 includes: the third capacitor 332, the third capacitor 332 are connected in series with the first antenna signal source 21 and the first metal segment 11. The third capacitor 332 is used for filtering out signals with too low frequency.
In some embodiments of the present application, the metal medium 1 is a metal frame or a part of a metal frame. The metal frame may be, for example, a metal bezel of a terminal, such as a cell phone or tablet.
In order to better explain the effect of the antenna structure in the embodiments proposed in the present application, a specific embodiment is proposed below. In this embodiment, the antenna structures shown in fig. 2 and fig. 3 are adopted, in this embodiment, the structure shown in fig. 2 is a first antenna module, and the structure shown in fig. 3 is a second antenna module, in this embodiment, a frequency band in which the first antenna module operates is a low frequency band, and a frequency band in which the second antenna module operates is a high frequency band, and in this embodiment, it is assumed that the two antenna modules need to realize, in common, that a GPS L1 frequency band (1.52GHz-1.62GHz), a GPS L5 frequency band (1.176GHz), a WiFi2.4G frequency band (2.4GHz-2.5GHz), a N78 frequency band (3.4GHz-3.6GHz), and a WiFi 5G frequency band (5.15GHz-5.85GHz), which can provide the GPS L1 frequency band and the GPS L5 frequency band to the first antenna module, and divide the WiFi2.4G frequency band, the WiFi 5G frequency band, and the N78 frequency band to the second antenna module. As shown in the figure, the antenna signals sent by the first antenna signal source 21 and the second antenna signal source 22 are tuned and filtered by the matching circuits of the respective antenna modules, and then fed to the two sides of the slot of the metal medium. For the first antenna module, the first matching circuit is connected in series with the first inductor, the first capacitor is connected in parallel to filter out high-frequency resonance waves, and the third matching circuit is used for filtering out too low-frequency resonance waves, wherein the inductance value of the first inductor is 21.5nH, the capacitance value of the first capacitor is 3.3pF, the inductance value of the third inductor in the third matching circuit is 22nH, and the capacitance value of the third capacitor is 0.5P; for the second antenna module, the low-frequency resonance is filtered by a second capacitor connected in series in the second matching circuit or a second inductor connected in parallel, in this embodiment, the second capacitor is 0.5pF, and the second inductor is 22 nH.
The return loss test is performed on the first antenna module and the second antenna module in this embodiment, and the test results are respectively shown in fig. 4 and fig. 5, as can be seen from fig. 4, the antenna efficiency of the first antenna module in the GPS L1 frequency band (1.52GHz-1.62GHz) and the GPS L5 frequency band (1.176GHz) is good, the antenna efficiency in the high frequency band with a frequency greater than 2GHz is poor, as can be seen from fig. 5, the antenna efficiency of the second antenna module in the WiFi2.4g frequency band (2.4GHz-2.5GHz), the WiFi 5G frequency band (5.15GHz-5.85GHz), and the N78 frequency band (3.4GHz-3.6GHz) is good, and the antenna efficiency in the low frequency band with a frequency less than 2GHz is poor.
The passive efficiency test is performed on the first antenna module and the second antenna module in this embodiment, and the test results are shown in fig. 6 and fig. 7, where the test results are consistent with the return loss test results, the efficiency of the first antenna module and the second antenna module in respective frequency bands is very high, and the efficiency of the first antenna module and the second antenna module in other frequency bands is low, which indicates that the performance of the first antenna module and the performance of the second antenna module in respective frequency bands are very good.
The isolation test is performed on the first antenna module and the second antenna module in this embodiment, and the test result is shown in fig. 8, and it can be seen from fig. 8 that the lowest isolation position of the first antenna module and the second antenna module is point 2 in the figure, but the value of point 2 also reaches-15.297 dB, and it is generally considered that the isolation below-15 dB can already meet the use requirement, so it can be known that the isolation of the antenna structure in this embodiment of the disclosure is sufficient to meet the use requirement.
It can be seen from the above embodiments that the antenna structure in the embodiments of the present disclosure can reduce the isolation without reducing the performance of the first antenna module and the second antenna module, thereby not only ensuring the working efficiency, but also preventing mutual interference, and solving the isolation problem that two antenna modules share one metal medium slot on the premise of ensuring the performance of the antenna modules.
The antenna structure in the embodiments of the present disclosure may be used for monopole antennas, IFA antennas, PIFA antennas, Loop antennas.
The embodiment of the disclosure also provides a terminal, which includes any one of the antenna structures provided by the application.
Referring now to fig. 9, a schematic diagram of an electronic device (e.g., a terminal device or server) 800 suitable for use in implementing embodiments of the present disclosure is shown. The terminal device in the embodiments of the present disclosure may include, but is not limited to, a mobile terminal such as a mobile phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a vehicle terminal (e.g., a car navigation terminal), and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. The electronic device shown in the drawings is only an example and should not bring any limitation to the functions and use range of the embodiments of the present disclosure.
As shown in fig. 9, the electronic device 800 may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 801 that may perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM)802 or a program loaded from a storage means 808 into a Random Access Memory (RAM) 803. In the RAM803, various programs and data necessary for the operation of the electronic apparatus 800 are also stored. The processing apparatus 801, the ROM 802, and the RAM803 are connected to each other by a bus 804. An input/output (I/O) interface 805 is also connected to bus 804.
Generally, the following devices may be connected to the I/O interface 805: input devices 806 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; output devices 807 including, for example, a Liquid Crystal Display (LCD), speakers, vibrators, and the like; storage 808 including, for example, magnetic tape, hard disk, etc.; and a communication device 809. The communication means 809 may allow the electronic device 800 to communicate wirelessly or by wire with other devices to exchange data. While the figure illustrates an electronic device 800 having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication means 809, or installed from the storage means 808, or installed from the ROM 802. The computer program, when executed by the processing apparatus 801, performs the above-described functions defined in the methods of the embodiments of the present disclosure.
It should be noted that the computer readable medium in the present disclosure can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
In some embodiments, the clients, servers may communicate using any currently known or future developed network Protocol, such as HTTP (HyperText Transfer Protocol), and may interconnect with any form or medium of digital data communication (e.g., a communications network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the Internet (e.g., the Internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed network.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to perform the methods of the present disclosure as described above.
Computer program code for carrying out operations for aspects of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of an element does not in some cases constitute a limitation on the element itself.
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), systems on a chip (SOCs), Complex Programmable Logic Devices (CPLDs), and the like.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
According to one or more embodiments of the present disclosure, there is provided an antenna structure including:
the metal medium 1 is provided with a slot, the slot divides the metal medium 1 into a first metal section 11 and a second metal section 12 which are positioned at two sides of the slot, the first metal section 11 is connected with a first grounding terminal, and the second metal section 12 is connected with a second grounding terminal;
a first antenna signal source 21 fed to the first metal segment 11 through the first matching circuit 31;
a second antenna signal source 22, which is fed to the second metal segment 12 through a second matching circuit 32;
the first matching circuit 31 is configured to filter out a resonant wave with a frequency greater than a first frequency, the second matching circuit 32 is configured to filter out a resonant wave with a frequency less than a second frequency, and the first frequency is less than the second frequency.
According to one or more embodiments of the present disclosure, there is provided an antenna structure, the first matching circuit 31 includes a first inductor 311, the first inductor 311 is connected in series with the first antenna signal source 21 and the first metal segment 11; and/or the presence of a gas in the gas,
the second matching circuit 32 includes a second inductor 321, one end of the second inductor 321 is connected between the second antenna signal source 23 and the second metal segment 12, and the other end of the second inductor 321 is connected to the third ground terminal.
According to one or more embodiments of the present disclosure, there is provided an antenna structure in which an inductance value of the first inductor 311 is greater than an inductance value of the second inductor 321.
According to one or more embodiments of the present disclosure, there is provided an antenna structure, the first matching circuit 31 includes a first capacitor 312, one end of the first capacitor 312 is connected between the first antenna signal source 21 and the first metal segment 11, and the other end of the first capacitor 312 is connected to a fourth ground terminal;
and/or the presence of a gas in the gas,
the second matching circuit 32 includes a second capacitor 322, and the second capacitor 322 is connected in series with the second antenna signal source 22 and the second metal segment 12.
According to one or more embodiments of the present disclosure, an antenna structure is provided, the capacitance value of the first capacitor 312 is larger than the capacitance value of the second capacitor 322.
According to one or more embodiments of the present disclosure, there is provided an antenna structure, further including: a third matching circuit 33;
the third matching circuit 33 is connected between the first antenna signal source 21 and the first matching circuit 31, or the third matching circuit 33 is connected between the first matching circuit 31 and the first metal segment 11;
wherein the stop band of the third matching circuit 33 and the pass band of the first matching circuit have an intersection.
According to one or more embodiments of the present disclosure, there is provided an antenna structure, the third matching circuit 33 includes: and a third inductor 331, wherein one end of the third inductor 331 is connected between the first antenna signal source 21 and the first metal segment 11, and the other end of the third inductor 331 is connected to a fifth ground terminal.
According to one or more embodiments of the present disclosure, there is provided an antenna structure, the third matching circuit 33 includes: the third capacitor 332, the third capacitor 332 are connected in series with the first antenna signal source 21 and the first metal segment 11.
According to one or more embodiments of the present disclosure, there is provided an antenna structure in which the metal medium 1 is a metal frame or a part of a metal frame.
According to one or more embodiments of the present disclosure, there is provided a terminal including:
the antenna structure of any of the present disclosure.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other embodiments in which any combination of the features described above or their equivalents does not depart from the spirit of the disclosure. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.
Further, while operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (10)
1. An antenna structure, comprising:
the metal medium (1) is provided with a slot, the slot divides the metal medium (1) into a first metal section (11) and a second metal section (12) which are positioned at two sides of the slot, the first metal section (11) is connected with a first grounding end, and the second metal section (12) is connected with a second grounding end;
a first antenna signal source (21) fed to the first metal segment (11) by a first matching circuit (31);
a second antenna signal source (22) fed to the second metal segment (12) by a second matching circuit (32);
the first matching circuit (31) is used for filtering out resonant waves with frequencies larger than a first frequency, the second matching circuit (32) is used for filtering out resonant waves with frequencies smaller than a second frequency, and the first frequency is smaller than the second frequency.
2. The antenna structure according to claim 1,
the first matching circuit (31) comprises a first inductance (311), the first inductance (311) being connected in series with the first antenna signal source (21) and the first metal segment (11); and/or the presence of a gas in the gas,
the second matching circuit (32) comprises a second inductor (321), one end of the second inductor (321) is connected between the second antenna signal source (22) and the second metal segment (12), and the other end of the second inductor (321) is connected to a third ground terminal.
3. The antenna structure according to claim 2,
the inductance value of the first inductor (311) is greater than the inductance value of the second inductor (321).
4. The antenna structure according to claim 1,
the first matching circuit (31) comprises a first capacitor (312), one end of the first capacitor (312) is connected between the first antenna signal source (21) and the first metal section (11), and the other end of the first capacitor (312) is connected to a fourth ground terminal;
and/or the presence of a gas in the gas,
the second matching circuit (32) comprises a second capacitor (322), the second capacitor (322) being connected in series with the second antenna signal source (22) and the second metal segment (12).
5. The antenna structure according to claim 4,
the capacitance value of the first capacitor (312) is greater than the capacitance value of the second capacitor (322).
6. The antenna structure according to claim 1, further comprising: a third matching circuit (33);
-the third matching circuit (33) is connected between the first antenna signal source (21) and the first matching circuit (31), or-the third matching circuit (33) is connected between the first matching circuit (31) and the first metal segment (11);
wherein the stop band of the third matching circuit (33) and the pass band of the first matching circuit have an intersection.
7. The antenna structure according to claim 6,
the third matching circuit (33) includes: a third inductor (331), one end of the third inductor (331) being connected between the first antenna signal source (21) and the first metal segment (11), and the other end of the third inductor (331) being connected to a fifth ground terminal.
8. The antenna structure according to claim 6,
the third matching circuit (33) includes: a third capacitor (332), the third capacitor (332) being connected in series with the first antenna signal source (21) and the first metal segment (11).
9. The antenna structure according to claim 1, characterized in that the metallic medium (1) is a metallic frame or a part of a metallic frame.
10. A terminal, comprising:
an antenna structure as claimed in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010936301.0A CN112072291A (en) | 2020-09-08 | 2020-09-08 | Antenna structure and terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010936301.0A CN112072291A (en) | 2020-09-08 | 2020-09-08 | Antenna structure and terminal |
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| CN112072291A true CN112072291A (en) | 2020-12-11 |
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| CN202010936301.0A Pending CN112072291A (en) | 2020-09-08 | 2020-09-08 | Antenna structure and terminal |
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Application publication date: 20201211 |