CN109980364B - Antenna module, antenna device and terminal equipment - Google Patents

Antenna module, antenna device and terminal equipment Download PDF

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Publication number
CN109980364B
CN109980364B CN201910152472.1A CN201910152472A CN109980364B CN 109980364 B CN109980364 B CN 109980364B CN 201910152472 A CN201910152472 A CN 201910152472A CN 109980364 B CN109980364 B CN 109980364B
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China
Prior art keywords
antenna
frequency band
antenna radiator
radiator
metal piece
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CN201910152472.1A
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CN109980364A (en
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蔡智宇
李建铭
王汉阳
余冬
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201910152472.1A priority Critical patent/CN109980364B/en
Publication of CN109980364A publication Critical patent/CN109980364A/en
Priority to PCT/CN2020/074638 priority patent/WO2020173298A1/en
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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors

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Abstract

The application provides a first antenna radiating body, a second antenna radiating body, a first feed source, a second feed source, a first metal piece and a filter; the first antenna radiator and the first feed source form a first antenna with a first working frequency band; the second feed source and the second antenna radiator form a second antenna with a working frequency band being a second frequency band; the first feed source, the first antenna radiator, the first metal piece and the filter form a third antenna with a third working frequency band; the second feed source, the second antenna radiator, the first metal piece and the filter form a fourth antenna with a fourth working frequency band; the first frequency band is the same as the second frequency band, and the third frequency band is the same as the fourth frequency band; the filter is used for filtering signals in the first frequency band and/or the second frequency band. The antenna device and the terminal equipment meet the isolation requirement and the bandwidth requirement of a multi-antenna system.

Description

Antenna module, antenna device and terminal equipment
Technical Field
The present application relates to the field of electronic devices, and more particularly, to an antenna module, an antenna device, and a terminal device.
Background
Due to the ever increasing transmission rate requirements, multi-antenna systems are becoming increasingly interesting. However, the internal space of the communication device is very limited. The problem of interference between the antennas is particularly acute when multiple antennas are to be installed in a limited space. Therefore, the isolation between the antennas is one of the factors to be considered when designing the multi-antenna system.
In addition, the antenna of the fifth Generation mobile communication technology (5th-Generation, 5G) needs to cover 3 wideband (TDD) bands. That is, bandwidth is also one of the factors to be considered when designing a multi-antenna system.
Therefore, designing a multi-antenna system meeting the isolation requirement and the bandwidth requirement in a limited space becomes a problem to be solved urgently.
Disclosure of Invention
The application provides an antenna module to meet isolation requirements and bandwidth requirements of a multi-antenna system.
In a first aspect, an antenna module is provided, including: the antenna comprises a first antenna radiator and a second antenna radiator; the antenna comprises a first antenna radiator, a second antenna radiator and a power supply, wherein the first antenna radiator is electrically connected with the first power supply; the first metal piece is coupled with the first antenna radiator for feeding, and the first metal piece is coupled with the second antenna radiator for feeding; one end of the filter is electrically connected with one end of the first metal piece, and the other end of the filter is grounded; the first antenna radiator and the first feed source form a first antenna with a first working frequency band; the second feed source and the second antenna radiator form a second antenna with a second working frequency band; the first feed source, the first antenna radiator, the first metal piece and the filter form a third antenna with a third working frequency band; the second feed source, the second antenna radiator, the first metal piece and the filter form a fourth antenna with a fourth working frequency band; the first frequency band is the same as the second frequency band, and the third frequency band is the same as the fourth frequency band; the filter is used for filtering signals in the first frequency band and/or the second frequency band range.
In the embodiment of the application, the antenna device uses a plurality of antenna radiation parts to form a plurality of antennas in a coupling mode, the structural complexity of the antenna device is reduced, the requirement of isolation is met among the antennas, and meanwhile a wide working frequency band can be achieved.
With reference to the first aspect, in certain implementations of the first aspect, the antenna module further includes: the second metal piece and the first antenna radiator are coupled and fed, and the third metal piece and the second antenna radiator are coupled and fed; the first feed source, the first antenna radiator and the second metal piece form a fifth antenna with a fifth working frequency band; the second feed source, the second antenna radiator and the third metal piece form a sixth antenna with a sixth working frequency band; the fifth frequency band is the same as the sixth frequency band.
In the embodiment of the application, by adding more metal pieces, the antenna device can realize a wider working frequency band or more effective working frequency points on the premise of meeting the isolation.
With reference to the first aspect, in certain implementations of the first aspect, the antenna module further includes: the antenna comprises a third antenna radiator and a fourth antenna radiator, wherein one end of the third antenna radiator is grounded, and the third antenna radiator and the first antenna radiator are coupled for feeding; one end of the fourth antenna radiator is grounded, and the fourth antenna radiator and the second antenna radiator are coupled for feeding; the first feed source, the first antenna radiator and the third antenna radiator form a seventh antenna with a seventh working frequency band; the second feed source, the second antenna radiator and the fourth antenna radiator form an eighth antenna with an eighth working frequency band; the seventh frequency band is the same as the eighth frequency band.
In the embodiment of the application, by adding more antenna radiators, the antenna device can realize a wider working frequency band or more effective working frequency points on the premise of meeting the isolation.
With reference to the first aspect, in certain implementations of the first aspect, the filter includes a capacitor and an inductor.
With reference to the first aspect, in certain implementations of the first aspect, the capacitance is a distributed capacitance.
By multiplexing conductors within the antenna elements to form distributed capacitances, the number of capacitive devices used can be reduced.
With reference to the first aspect, in certain implementations of the first aspect, the inductance is a distributed inductance.
By extending the distance of the distributed inductance in one direction, the distance of the distributed inductance in the other direction can be shortened. The distributed inductor is flexibly used on the filter, and the occupied space of the antenna module can be flexibly set.
With reference to the first aspect, in certain implementations of the first aspect, one end of the first antenna radiator is grounded, and one end of the second antenna radiator is grounded.
In the embodiment of the application, by adjusting the circuit connection mode of the antenna radiator, the antenna device can realize a wider working frequency band or more effective working frequency points on the premise of meeting the isolation.
With reference to the first aspect, in certain implementations of the first aspect, the first metallic article includes a distributed inductance.
By extending the distance of the distributed inductance in one direction, the distance of the distributed inductance in the other direction can be shortened. The distributed inductor is flexibly used on the first metal piece, and the occupied space of the antenna module can be flexibly set.
With reference to the first aspect, in certain implementations of the first aspect, the first antenna radiator comprises a distributed inductance.
By extending the distance of the distributed inductance in one direction, the distance of the distributed inductance in the other direction can be shortened. The distributed inductor is flexibly used on the first antenna radiator, and the occupied space of the antenna module can be flexibly set.
With reference to the first aspect, in certain implementations of the first aspect, the second antenna radiator includes a distributed inductance.
By extending the distance of the distributed inductance in one direction, the distance of the distributed inductance in the other direction can be shortened. The distributed inductor is flexibly used on the second antenna radiator, and the occupied space of the antenna module can be flexibly set.
With reference to the first aspect, in certain implementations of the first aspect, the third antenna and the fourth antenna are both loop antennas.
In a second aspect, the present application provides a terminal device, including: the antenna system comprises a first antenna module, a second antenna module and an isolation structure, wherein the first antenna module is the antenna module in any one of the possible implementation manners of the first aspect and the first aspect, and the isolation structure is used for isolating signals between the first antenna module and the second antenna module.
In the embodiment of the application, the terminal equipment uses a plurality of antenna radiation parts to form the antenna module of a plurality of antennas in a coupling mode, so that the structural complexity of the terminal equipment is reduced, the requirement of isolation among the antennas is met, and meanwhile, a wide working frequency band can be realized.
In a third aspect, the present application provides a terminal device, including the antenna module in the first aspect and any one of the possible implementation manners of the first aspect.
In a fourth aspect, the present application provides a terminal device including the antenna apparatus as in the second aspect and any one of the possible implementation manners of the second aspect.
Drawings
Fig. 1 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 7 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 8 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 9 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 10 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 11 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Fig. 12 is a schematic structural diagram of an antenna device according to an embodiment of the present application.
Detailed Description
The technical solution in the present application will be described below with reference to the accompanying drawings.
The terminology used in the following examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of this application and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, such as "one or more", unless the context clearly indicates otherwise. It should also be understood that in the embodiments of the present application, "one or more" means one, two, or more than two; "and/or" describes the association relationship of the associated objects, indicating that three relationships may exist; for example, a and/or B, may represent: a alone, both A and B, and B alone, where A, B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
Terminal equipment in the embodiments of the present application may refer to user equipment, access terminals, subscriber units, subscriber stations, mobile stations, remote terminals, mobile devices, user terminals, wireless communication devices, user agents, or user devices. The terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with Wireless communication function, a computing device or other processing device connected to a Wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G Network or a terminal device in a future evolved Public Land Mobile Network (PLMN), and the like, which are not limited in this embodiment.
Specific implementations of embodiments of the present application are described in more detail below with reference to specific examples. It should be noted that the following examples are merely provided to assist those skilled in the art in understanding the embodiments of the present application, and are not intended to limit the embodiments of the present application to the specific values or specific scenarios illustrated. It will be apparent to those skilled in the art from the examples given below that various equivalent modifications or variations can be made, and such modifications and variations also fall within the scope of the embodiments of the present application.
Fig. 1 is a schematic structural diagram of an antenna module provided in an embodiment of the present application. The antenna module 100 includes a first antenna radiator 111, a second antenna radiator 112, a first power supply 121, a second power supply 122, a first metal element 130, and a filter 140. The first power supply 121 is electrically connected to one end of the first antenna radiator 111, and the first power supply 121 feeds power to the first antenna radiator 111; the second power feed 122 is electrically connected to one end of the second antenna radiator 112, and the second power feed 122 feeds power to the second antenna radiator 112. The first metal element 130 and the first antenna radiator 111 are coupled to feed, and the first metal element 130 and the second antenna radiator 112 are coupled to feed; one end of the first metal 130 is grounded through the filter 140.
The first feed source 121 and the first antenna radiator 111 form a first antenna with a first working frequency band, the second feed source 122 and the second antenna radiator 112 form a second antenna with a second working frequency band, the first feed source 121, the first antenna radiator 111, the first metal piece 130 and the filter 140 form a third antenna with a third working frequency band, and the second feed source 122, the second antenna radiator 112, the first metal piece 130 and the filter 140 form a fourth antenna with a fourth working frequency band; the first frequency band is the same as the second frequency band, and the third frequency band is the same as the fourth frequency band; the filter 140 is used to filter signals in the first frequency band and/or the second frequency band.
It should be understood that the two frequency bands are the same, may be the same as each other, may also be similar to each other, and may also be that the coincidence ratio of the two frequency bands is greater than the preset threshold. The specific value of the preset threshold is related to the specific application scenario of the antenna module 100, and this application does not limit this.
It should be understood that the two frequency bands are different, and may be completely different, or may be a portion where there is almost no overlap between the two frequency bands, or a ratio of overlap between the two frequency bands is smaller than a preset threshold. The specific value of the preset threshold is related to the specific application scenario of the antenna module 100, and this application does not limit this.
It is to be understood that "a is connected to B" or "a is connected to B" in the present application, that a may be directly connected to B, or that intermediate components may be present, for example, a is connected to B via C, which is an intermediate component. In contrast, when "a is directly connected to B" or "a is directly connected to B", there are no intervening components present. In the present application, "a is electrically connected to B" or "a is electrically connected to B", a may be directly electrically connected to B, or an intermediate component may be present, for example, a is electrically connected to B via C, and C is an intermediate component. In contrast, when "a is directly electrically connected to B" or "a is directly electrically connected to B", there are no intervening components present.
In some scenarios, for example, the physical element forming the first antenna is likely to also be the physical element forming the second antenna, i.e., the first antenna and the second antenna are likely to share a single physical element. Thus, it is difficult to divide the physical unit of the antenna according to the logical unit of the antenna in some scenarios. It should be understood that the term "antenna" in the description herein, such as "first antenna", "second antenna", "third antenna", "fourth antenna", etc., refers to a logic unit having an antenna function.
That is, the first antenna, the second antenna, the third antenna, and the fourth antenna are combined to form the antenna module 100. Two antenna radiators (a third antenna and a fourth antenna) are formed by sharing the first metal part 130 with the two antenna radiators (the first antenna radiator 111 and the second antenna radiator 112), the third frequency band is different from the first frequency band (the fourth frequency band is different from the second frequency band), and the available bandwidth of the antenna module 100 is widened. Since the first metal element 130 is grounded through the filter 140, the first feeding source 121 and the second feeding source 122 are isolated, and good isolation is provided for the antenna module 100.
Next, the connection relationship, structure, and function of each device will be described in detail.
A. First and second antenna radiators 111 and 112
The first antenna radiator 111 may be used to receive signals or transmit signals. Similarly, the second antenna radiator 112 may be used for receiving signals or transmitting signals.
The type of the first antenna radiator 111 may be an inverted-F antenna (IFA), a planar inverted-F antenna (PIFA), a monopole antenna (monopole antenna), or the like. The present application does not limit the type of the first antenna radiator 111.
The type of the second antenna radiator 112 may be an inverted-F antenna (IFA), a planar inverted-F antenna (PIFA), a monopole antenna (monopole antenna), and the like. The present application does not limit the type of the first antenna radiator 112.
The first antenna radiator 111 may include a metal conductor. The first antenna radiator 111 may also be composed of a plurality of elements which are connected to each other to form the first antenna radiator 111.
Optionally, the first antenna radiator 111 comprises a distributed inductance.
For example, the first antenna radiator 111 includes at least 3 metal sheets and a plurality of inductors, one inductor being connected in series between each two metal sheets.
The distributed inductance can shorten the distance of the distributed inductance in one direction by extending the distance of the distributed inductance in the other direction. The distributed inductance is flexibly used on the first antenna radiator 111, and the occupied space of the antenna module can be flexibly set.
Optionally, the second antenna radiator 112 includes a distributed inductance.
The second antenna radiator 112 is similar to the first antenna radiator 111 and will not be described in detail.
B. A first power supply 121 and a second power supply 122
The first feeding source 121 is electrically connected to one end of the first antenna radiator 111, the first feeding source 121 is used for providing a feeding source for the first antenna radiator 111, the first feeding source 121 and the first antenna radiator 111 form a first antenna, and an operating frequency band of the first antenna is a first frequency band.
For example, the first antenna radiator 111 may be a monopole antenna, the first power feed 121 may be electrically connected to one end of the first antenna radiator 111 through a tuning circuit, and the monopole antenna, the tuning circuit and the first power feed 121 may form a first antenna, and an operating frequency band of the first antenna may be, for example, 4GHz to 5 GHz.
Wherein the tuning circuit comprises tuning elements (e.g. capacitors, inductors, etc.) for adjusting the resonance frequency of the circuit. The specific connection form of the tuning circuit is related to the specific application scenario of the antenna module, and the application does not limit the specific connection form of the tuning circuit.
The second power feed 122 is electrically connected to one end of the second antenna radiator 112, the second power feed 122 is configured to provide a power feed for the first antenna radiator 121, the second power feed 122 and the second antenna radiator 112 form a second antenna, and a working frequency band of the second antenna is a second frequency band.
For example, the second antenna radiator 112 may be a monopole antenna, the second power feed 122 may be electrically connected to one end of the second antenna radiator 112 through a tuning circuit, and the monopole antenna, the tuning circuit and the second power feed 122 may form a second antenna, and an operating frequency band of the second antenna may be, for example, 4GHz to 5 GHz.
Optionally, one end of the first antenna radiator 111 is grounded, and one end of the second antenna radiator 112 is grounded.
Grounding both the first antenna radiator 111 and the second antenna radiator 112 may widen the available bandwidth of the antenna module 100.
Optionally, the antenna module 100 further includes a first tuning circuit electrically connected between the first power supply 121 and the first antenna radiator 111, and a second tuning circuit electrically connected between the second power supply 122 and the second antenna radiator 112.
In the embodiment of the present application, the first frequency band and the second frequency band may be controlled to be the same or similar and have good isolation by adjusting the positions, sizes, shapes, and the like of the first antenna radiator 111 and the second antenna radiator 112, for example, one end of the first antenna radiator 111 far away from the first power supply 121 is as far away from the second antenna radiator 112 as possible, and similarly, one end of the second antenna radiator 112 far away from the second power supply 122 is as far away from the first antenna radiator 111 as possible. The position, size, shape and other factors of the first antenna radiator 111 and the second antenna radiator 112 are related to a specific application scenario of the antenna module, and are not limited in this application.
C. First metal part 130
The first metal element 130 is coupled to the first antenna radiator 111, and the first metal element 130 is coupled to the first antenna radiator 111. The first metal element 130 is coupled to feed power through the first antenna radiator 111 and the first antenna radiator 111, and is used for radiating signals.
It should be understood that, since the shape, size, and position of the first metal part 130 are related to the size, bandwidth, isolation, and other factors of the antenna module 100, the specific shape, size, and position of the first metal part 130 are related to a specific application scenario, and are not limited in this application.
The first metal member 130 may be a metal conductor having a specific shape. The first metal piece 130 may further include a plurality of metal conductors, which are connected to each other to form the first metal piece 130.
The embodiment of the present application provides a manner of setting the position of the first metal component 130. In one example, the first metal piece 130 may be adhered to an inner wall of the glass housing. The first metal member 130 may be disposed between the first antenna radiator 111 and the glass housing, and may be disposed between the second antenna radiator 112 and the glass housing. A coupling gap exists between the first metal element 130 and the first antenna radiator 111, and the first antenna radiator 111 can excite the first metal element 130 to transmit signals through the coupling gap; similarly, there is a coupling gap between the first metal element 130 and the second antenna radiator 112, and the second antenna radiator can excite the first metal element 130 to transmit signals through the coupling gap.
The feeding manner is not limited in the embodiments of the present application, and for example, feeding may be performed through a coupling gap.
Optionally, the first metal piece 130 includes a distributed inductance.
For example, the first metal member 130 includes at least 3 metal sheets and a plurality of inductors, and one inductor is connected in series between every two metal sheets.
Optionally, the first feeding source 121, the first antenna radiator 111, and the first metal element 130 form a ninth antenna with a ninth working frequency band; the second feed source 122, the second antenna radiator 112, and the first metal element 130 form a tenth antenna having a tenth operating frequency band; the ninth frequency band is the same as the tenth frequency band.
When the coupling feeding efficiency of the first metal element 130, the first antenna radiator 111, and the second antenna radiator 112 is high, the first antenna radiator 111 may excite two antennas on the first metal element 130, and the second antenna radiator 112 may excite two antennas on the first metal element 130, so that an antenna module including the first antenna, the second antenna, the third antenna, the fourth antenna, the ninth antenna, and the tenth antenna may be formed, and the available bandwidth of the antenna module is widened.
D. Filter 140
The filter 140 is used for filtering the signal in the frequency band a to obtain a signal not containing the specific frequency in the frequency band a. In the present application, the filter 140 is used to filter signals in the first frequency band and/or the second frequency band.
The first feeding source 121, the first antenna radiator 111, the first metal element 130, and the filter 140 form a third antenna with a third operating frequency band.
For example, the first antenna radiator 111 may be a monopole antenna, the first feeding source 121, the first antenna radiator 111, the first metal element 130, and the filter 140 may form a third antenna, an operating frequency band of the third antenna may be, for example, 3.3GHz to 4GHz, and then the filter 140 may be used to filter signals in a range of, for example, 4GHz to 5 GHz.
Alternatively, the third antenna may be a loop antenna (loop antenna).
The second feeding source 122, the second antenna radiator 112, the first metal element 130, and the filter 140 form a fourth antenna with a fourth working frequency band.
For example, the second antenna radiator 112 is a monopole antenna, the second feeding source 121, the second antenna radiator 112, the first metal element 130, and the second filter 140 form a third antenna, an operating frequency band of the third antenna may be, for example, 3.3GHz to 4GHz, and then the filter 140 may be configured to filter signals in a range of, for example, 4GHz to 5 GHz.
Alternatively, the fourth antenna may be a loop antenna.
Optionally, the filter 140 includes a band pass circuit.
Optionally, the filter 140 comprises a band reject circuit.
Optionally, the filter 140 includes a capacitor and an inductor.
The reasonable values of the capacitance and the inductance can realize the adjustment of the isolation of the antenna module 100, the widening of the bandwidth of the effective frequency band, and the like.
Optionally, the capacitor is a distributed capacitor.
The number of capacitive devices used can be reduced by multiplexing the conductors in the antenna radiators to form a distributed capacitance.
Optionally, the inductor is a distributed inductor.
By extending the distance of the distributed inductance in one direction, the distance of the distributed inductance in the other direction can be shortened.
Fig. 2 is another embodiment of an antenna module provided in the present application. The antenna module 100 may further include: a second metal part 131 and a third metal part 132.
The second metal part 131 and the first antenna radiator 111 are coupled to feed, and the third metal part 132 and the second antenna radiator 112 are coupled to feed; the first power feed 121, the first antenna radiator 111, and the second metal piece 131 form a fifth antenna with a fifth working frequency band; the second feed source 122, the second antenna radiator 112, and the third metal element 132 form a sixth antenna with a sixth working frequency band; the coincidence proportion of the fifth frequency band and the sixth frequency band is larger than a first preset threshold value.
That is, the first antenna, the second antenna, the third antenna, the fourth antenna, the fifth antenna, and the sixth antenna are combined to form the antenna module 100. Two antennas (a fifth antenna and a sixth antenna) are formed by exciting the two metal pieces (the second metal piece 131 and the third metal piece 132) through coupling feed, and the fifth frequency band, the third frequency band and the first frequency band are different from each other (the sixth frequency band, the fourth frequency band and the second frequency band are different from each other), so that the available bandwidth of the antenna module 100 is widened.
Next, the connection relationship, structure, and function of the second metal part 131 and the third metal part 132 will be described in detail.
E. Second metal part 131
The second metal piece 131 is coupled to feed through the first antenna radiator 111 for radiating a signal.
For example, the first power supply 121, the first antenna radiator 111, and the second metal piece 131 form a fifth antenna, and an operating frequency band of the fifth antenna may be, for example, 4GHz to 5 GHz.
It should be understood that, since the shape, size, and position of the second metal part 131 are related to the size, bandwidth, isolation, and other factors of the antenna module 100, the specific shape, size, and position of the second metal part 131 are related to a specific application scenario, and are not limited in this application.
The second metal member 131 may be a metal conductor having a specific shape. The second metal part 131 may further include a plurality of metal conductors, which are connected to each other to form the second metal part 131.
The embodiment of the present application provides a manner of setting the position of the second metal part 131. In one example, the second metal piece 131 may be adhered to an inner wall of the glass housing. The second metal piece 131 may be disposed between the first antenna radiator 111 and the glass housing. There is a coupling gap between the second metal element 131 and the first antenna radiator 111, and the first antenna radiator 111 can excite the second metal element 131 to transmit signals through the coupling gap.
Optionally, the second metal piece 131 includes a distributed inductance.
For example, the second metal member 131 includes at least 3 metal sheets and a plurality of inductors, and one inductor is connected in series between every two metal sheets.
F. Third metal part 132
The third metal element 132 is coupled to a feed through the second antenna radiator 112 for radiating a signal.
For example, the second feeding source 122, the second antenna radiator 112, and the third metal element 132 form a sixth antenna, and an operating frequency band of the sixth antenna is 4GHz to 5 GHz.
It should be appreciated that the third metallic element 132 may be a metallic conductor of any configuration. The shape, size, and position of the third metal element 132 are related to factors such as the size, bandwidth, and isolation of the antenna module, and the specific shape, size, and position of the third metal element 132 are related to a specific application scenario, which is not limited in this application.
The third metal piece 132 may be a metal conductor having a specific shape. The third metal piece 132 may further include a plurality of metal conductors that are connected to each other to form the third metal piece 132.
The embodiment of the present application provides a way to set the position of the third metal element 132. In one example, the third metal 132 may be adhered to the inner wall of the glass housing. The third metal 132 may be disposed between the second antenna radiator 112 and the glass housing. There is a coupling gap between the third metal element 132 and the second antenna radiator 112, and the second antenna radiator can excite the third metal element 132 to transmit signals through the coupling gap.
Optionally, the third metallic element 132 comprises a distributed inductance.
For example, the third metal member 132 includes at least 3 metal sheets and a plurality of inductors, and one inductor is connected in series between every two metal sheets.
In the embodiment of the present application, the positions, the sizes, the shapes, and the like of the second metal part 131 and the third metal part 132 may be adjusted, so that the first frequency band is the same as the second frequency band and has a good isolation, for example, an end of the second metal part 131, which is far away from the first antenna radiator 111, is as far away from the third metal part 132 as possible, and an end of the third metal part 132, which is far away from the second antenna radiator 112, is as far away from the second metal part 131 as possible. The position, size, shape, and other factors of the second metal part 131 and the third metal part 132 are related to a specific application scenario of the antenna module 100, and are not limited in this application.
It should be understood that the antenna module 100 may further include an even number of metal pieces similar to the second metal piece 131 and the third metal piece 132. In other words, the antenna module 100 includes a metal component similar to the second metal component 131 and also includes a metal component similar to the third metal component 132.
Fig. 3 is a further embodiment of an antenna module provided herein. The antenna module 100 may further include: a third antenna radiator 113 and a fourth antenna radiator 114.
One end of the third antenna radiator 113 is grounded, and the third antenna radiator 113 and the first antenna radiator 111 are coupled for feeding; one end of the fourth antenna radiator 114 is grounded, and the fourth antenna radiator 114 and the second antenna radiator 112 are coupled for feeding; the first power supply 121, the first antenna radiator 111 and the third antenna radiator 113 form a seventh antenna with a seventh working frequency band; the second power feed 122, the second antenna radiator 112, and the fourth antenna radiator 114 form an eighth antenna having an eighth operating frequency band; the coincidence proportion of the seventh frequency band and the eighth frequency band is larger than a first preset threshold value.
That is, the first antenna, the second antenna, the third antenna, the fourth antenna, the seventh antenna, and the eighth antenna are combined to form the antenna module 100. The two antenna radiators (the third antenna radiator 113 and the fourth antenna radiator 114) are excited by coupling feed to form two antennas (a seventh antenna and an eighth antenna), the seventh frequency band, the third frequency band and the first frequency band are different from each other (the eighth frequency band, the fourth frequency band and the second frequency band are different from each other), and the available bandwidth of the antenna module 100 is widened.
Next, the connection relationship, structure, and function of the third antenna radiator 113 and the fourth antenna radiator 114 will be described in detail.
G. Third antenna radiator 113
The third antenna radiator 113 is used for receiving signals or transmitting signals.
The type of the third antenna radiator 113 may be an inverted-F antenna (IFA), a planar inverted-F antenna (PIFA), a monopole antenna (monopole antenna), or the like. The present application does not limit the type of the third antenna radiator 113.
The third antenna radiator 113 may include a metal conductor. The third antenna radiator 113 may also be composed of a plurality of elements which are connected to each other to form the third antenna radiator 113.
Optionally, the third antenna radiator 113 includes a distributed inductance.
For example, the third antenna radiator 113 includes at least 3 metal sheets and a plurality of inductors, one inductor being connected in series between each two metal sheets.
H. Fourth antenna radiator 114
The fourth antenna radiator 114 is used for receiving signals or transmitting signals.
The type of the fourth antenna radiator 114 may be an inverted-F antenna (IFA), a planar inverted-F antenna (PIFA), a monopole antenna (monopole antenna), and the like. The present application does not limit the type of the fourth antenna radiator 114.
The fourth antenna radiator 114 may include a metal conductor. The fourth antenna radiator 114 may also be composed of a plurality of elements that are connected to each other to form the fourth antenna radiator 114.
Optionally, the fourth antenna radiator 114 includes a distributed inductance.
For example, the fourth antenna radiator 114 includes at least 3 metal sheets and a plurality of inductors, one inductor being connected in series between each two metal sheets.
In the embodiment of the present application, the positions, sizes, shapes, and the like of the third antenna radiator 113 and the fourth antenna radiator 114 may be adjusted to make the first frequency band and the second frequency band the same and have good isolation, for example, an end of the third antenna radiator 113 away from the first antenna radiator 111 is as far as possible from the fourth antenna radiator 114, and similarly, an end of the fourth antenna radiator 114 away from the second antenna radiator 112 is as far as possible from the third antenna radiator 113. Alternatively, the end of the third antenna radiator 113 that is away from the first antenna radiator 111 is as close as possible to the fourth antenna radiator 114, and similarly, the end of the fourth antenna radiator 114 that is away from the second antenna radiator 112 is as close as possible to the third antenna radiator 113. The position, size, shape and other factors of the third antenna radiator 113 and the fourth antenna radiator 114 are related to a specific application scenario of the antenna module, and are not limited in this application.
It should be understood that the antenna module may further comprise an even number of antenna radiators similar to the third antenna radiator 113 and the fourth antenna radiator 114. In other words, the antenna module comprises an antenna radiator similar to the third antenna radiator 113 and also an antenna radiator similar to the fourth antenna radiator 114.
Fig. 4 is a further embodiment of an antenna module provided herein. As shown in fig. 4, the antenna module 400 may include a first monopole antenna 411, a second monopole antenna 412, a first power supply 421, a second power supply 422, a first metal piece 430, and a band pass circuit 440. The first feeding source 421 may be electrically connected to one end of the first monopole antenna 411, and the second feeding source 422 may be electrically connected to one end of the second monopole antenna 412. The first metal piece 430 and the first monopole antenna 411 may be coupled, and the first metal piece 430 and the second monopole antenna 412 may be coupled; one end of the first metal piece 430 may be grounded through the band pass circuit 440; the band pass circuit 440 may include capacitors, inductors.
The first feed 421 and the first monopole antenna 411 may form a first antenna 461, whose operating frequency band is a first frequency band, which may be in a range of 4GHz to 5GHz, for example. The second feed 422 and the second monopole antenna 412 may form a second antenna 462 having a second frequency band, which may be in a range of 4GHz to 5GHz, for example. The first feeding source 421, the first monopole antenna 411, the first metal element 430, and the band pass circuit 440 may form a first loop antenna 463 having a third frequency band, which may be, for example, 3.3GHz to 4 GHz. The second feeding source 422, the second monopole antenna 412, the first metal element 430, and the band pass circuit 440 may form a second loop antenna 464 with a fourth frequency band, for example, a range of 3.3GHz to 4 GHz.
The band pass circuit 440 may filter signals in the first frequency band and/or the second frequency band.
The first monopole antenna 411, the first power supply 421, the second monopole antenna 412, the second power supply 422, and the first metal element 430 may be reasonably arranged, so that the antenna meets the isolation requirement. For example, an end of the first monopole antenna 411 remote from the first feed 421 may be as far as possible from the second monopole antenna 412, and an end of the second monopole antenna 412 remote from the second feed 422 may be as far as possible from the first monopole antenna 411. The capacitance of the capacitor element and the inductance of the inductor element in the band pass circuit 440 can be set reasonably, so that the antenna can meet the requirements of isolation and effective bandwidth.
Fig. 5 is a further embodiment of an antenna module provided herein. As shown in fig. 5, the antenna module 500 may include a first antenna radiator 511, a second antenna radiator 512, a first power supply 521, a second power supply 522, a first metal piece 530, and a filter 540. The first feeding source 521 may be electrically connected to one end of the first antenna radiator 511, and a first tuning circuit 551 may be connected in series on a connection path between the first feeding source 521 and the first antenna radiator 521; the second power feed 522 may be electrically connected to one end of the second antenna radiator 512, and a second tuning circuit 552 may be connected in series on a connection path between the second power feed 522 and the second antenna radiator 522. The other end of the first antenna radiator 511 may be grounded, and the other end of the second antenna radiator 512 may be grounded. The first metal element 530 and the first antenna radiator 511 may be coupled to feed, and the first metal element 530 and the second antenna radiator 512 may be coupled to feed; first metallic article 530 may comprise a distributed inductance; one end of the first metal piece 530 may be grounded through the filter 540; the filter 540 may include a capacitor and an inductor.
The first feed 521 and the first antenna radiator 511 may form a first inverted-F antenna 561 having a first frequency band, for example, a range of 4GHz to 5 GHz. The second feed 522 and the second antenna radiator 512 may form a second inverted-F antenna 562 with a second frequency band, for example, 4GHz to 5 GHz. The first feeding source 521, the first antenna radiator 511, the first metal element 530 and the filter 540 may form a first loop antenna 563 whose operating frequency band is a third frequency band, which may range from 3.3GHz to 4GHz, for example. The second feeding source 522, the second antenna radiator 512, the first metal element 530 and the filter 540 may form a second loop antenna 564 with a fourth frequency band, and the fourth frequency band may range from 3.3GHz to 4GHz, for example.
The filter 540 may filter signals in the first frequency band and/or the second frequency band.
The first antenna radiator 511, the first power feed 521, the second antenna radiator 512, the second power feed 522, and the first metal element 530 may be reasonably arranged, and the capacitance of the capacitor element and the inductance of the inductor element in the filter 540 may be reasonably set, so that the antenna meets the requirements of isolation and effective bandwidth.
Fig. 6 is a further embodiment of an antenna module provided herein. As shown in fig. 6, the antenna module 600 may include a first antenna radiator 611, a second antenna radiator 612, a first power supply 621, a second power supply 622, a first metal 630, and a filter 640. The first feeding source 621 may be electrically connected to one end of the first antenna radiator 611, and a first tuning circuit 651 may be connected in series to a connection path between the first feeding source 621 and the first antenna radiator 621; the second feeding source 622 may be electrically connected to one end of the second antenna radiator 612, and a second tuning circuit 652 may be connected in series on a connection path between the second feeding source 622 and the second antenna radiator 622. A feed can be coupled between the first metal piece 630 and the first antenna radiator 611, and a feed can be coupled between the first metal piece 630 and the second antenna radiator 612; one end of the first metal piece 630 may be grounded through the filter 640; the filter 640 may include capacitors and inductors.
The first feeding source 621 and the first antenna radiator 611 may form a first monopole antenna 661 with a first frequency band, where the first frequency band may range from 4GHz to 4.4GHz, for example. The second feed 622 and the second antenna radiator 612 may form a second monopole 662 operating in a second frequency band, which may range from 4GHz to 4.4GHz, for example. The first feeding source 621, the first antenna radiator 611, the first metal element 630 and the filter 640 may form a first loop antenna 663 having a third frequency band, for example, a range from 3.3GHz to 4 GHz. The second feeding source 622, the second antenna radiator 612, the first metal element 630, and the filter 640 may form a second loop antenna 664 having a fourth frequency band, where the fourth frequency band may range from 3.3GHz to 4GHz, for example. The first feeding source 621, the first antenna radiator 611, and the first metal element 630 may form a first inverted-F antenna 665 with a ninth frequency band, where the ninth frequency band may range from 4.4GHz to 5GHz, for example. The second feeding source 622, the second antenna radiator 612 and the first metal element 630 may form a second inverted-F antenna 666 with a tenth frequency band, where the tenth frequency band may be, for example, 4.4GHz to 5 GHz.
The filter 640 may filter signals in the first frequency band and/or the second frequency band.
The first antenna radiator 611, the first power supply 621, the second antenna radiator 612, the second power supply 622, and the first metal element 630 may be reasonably arranged, and the capacitance value of the capacitor element and the inductance value of the inductor element in the filter 640 may be reasonably set, so that the antenna meets the requirements of isolation and effective bandwidth.
Fig. 7 is a further embodiment of an antenna module provided herein. As shown in fig. 7, the antenna module 700 may include a first antenna radiator 711, a second antenna radiator 712, a first power feed 721, a second power feed 722, a first metal 730, a filter 740, a second metal 731, and a third metal 732. The first feed source 721 may be electrically connected to one end of the first antenna radiator 711, and the second feed source 722 may be electrically connected to one end of the second antenna radiator 712. The first metal piece 730 and the first antenna radiator 711 may be coupled to feed, and the first metal piece 730 and the second antenna radiator 712 may be coupled to feed; one end of the first metal piece 730 may be grounded through the filter 740; the filter 740 may include a capacitor and an inductor. The second metal piece 731 and the first antenna radiator 711 may be coupled to each other, and the third metal piece 732 and the second antenna radiator 712 may be coupled to each other.
The first feed 721 and the first antenna radiator 711 may form a first monopole antenna 761 with an operating frequency band of a first frequency band, which may range from 4GHz to 4.4GHz, for example. The second feed 722 and the second antenna radiator 712 may form a second monopole 762 having a second frequency band, for example, 4GHz to 4.4 GHz. The first feeding source 721, the first antenna radiator 711, the first metal piece 730 and the filter 740 may form a first loop antenna 763 with an operating frequency band being a third frequency band, which may range from 3.3GHz to 4GHz, for example. The second feeding source 722, the second antenna radiator 712, the first metal element 730, and the filter 740 may form a second loop antenna 764 having a fourth frequency band, for example, ranging from 3.3GHz to 4 GHz. The first feed source 721, the first antenna radiator 711, and the second metal element 731 may form a fifth antenna with a fifth frequency band, where the fifth frequency band may range from 4.4GHz to 5GHz, for example; the second feeding source 722, the second antenna radiator 712, and the third metal part 732 may form a sixth antenna with a sixth frequency band, where the sixth frequency band may range from 4.4GHz to 5GHz, for example.
The filter 740 may filter signals in the first frequency band and/or the second frequency band.
The first antenna radiator 711, the second antenna radiator 712, the first power feed 721, the second power feed 722, the first metal piece 730, the second metal piece 731, and the third metal piece 732 may be reasonably arranged, and the capacitance of the capacitive element and the inductance of the inductive element in the filter 740 may be reasonably set, so that the antenna meets the requirements of isolation and effective bandwidth.
Fig. 8 is a further embodiment of an antenna module provided herein. As shown in fig. 8, the antenna module 800 may include a first antenna radiator 811, a second antenna radiator 812, a first power feed 821, a second power feed 822, a first metal element 830, a filter 840, a first long metal element 831, a second long metal element 832, a first short metal element 833, and a second short metal element 834. The first power feed 821 may be electrically connected to one end of the first antenna radiator 811, and the second power feed 822 may be electrically connected to one end of the second antenna radiator 812. The first long metal element 831 and the first antenna radiator 811 can be coupled to feed power, and one end of the first short metal element 833 can be electrically connected to one end of the first long metal element 831; a feed may be coupled between the second long metal 832 and the second antenna radiator 812, and one end of the second short metal 834 may be electrically connected to one end of the second long three metal 832. The first metal element 830 and the first antenna radiator 811 may be coupled to feed, and the first metal element 830 and the second antenna radiator 812 may be coupled to feed; one end of the first metal piece 830 may be grounded through the filter 840; the filter 840 may include capacitors, inductors.
The first power supply 821, the first antenna radiator 811 and the first long metal element 831 may form a first antenna 861 with a first frequency band, for example, a range of 4GHz to 4.4 GHz. The second feeding source 822, the second antenna radiator 812 and the second long metal piece 832 may form a second antenna 862 having a second frequency band, for example, a range of 4GHz to 4.4 GHz. The first feeding source 821, the first antenna radiator 811, the first metal element 830 and the filter 840 may form a first loop antenna 863 with an operating frequency band of a third frequency band, which may range from 3.3GHz to 4GHz, for example. The second feeding source 822, the second antenna radiator 812, the first metal element 830 and the filter 840 may form a second loop antenna 864 with a fourth frequency band, where the fourth frequency band may range from 3.3GHz to 4GHz, for example. The first feeding source 821, the first antenna radiator 811, the first long metal element 831, and the first short metal element 833 may form a fifth antenna with a fifth frequency band, where the fifth frequency band may range from 4.4GHz to 5GHz, for example; the second feeding source 822, the second antenna radiator 812, the second long metal 832 and the second short metal 834 may form a sixth antenna with a sixth frequency band, where the sixth frequency band may be, for example, 4.4GHz to 5 GHz.
Filter 840 may filter signals in the first frequency band and/or the second frequency band.
The first antenna radiator 811, the second antenna radiator 812, the first power feed 821, the second power feed 822, the first metal piece 830, the first long metal piece 831, the second long metal piece 832, the first short metal piece 833 and the second short metal piece 834 can be reasonably arranged, and the capacitance value of the capacitor element and the inductance value of the inductor element in the filter 840 can be reasonably set, so that the antenna meets the requirements of isolation and effective bandwidth.
Fig. 9 is a further embodiment of an antenna module provided herein. As shown in fig. 9, the antenna module 900 may include a first antenna radiator 911, a second antenna radiator 912, a first power supply 921, a second power supply 922, a first metal 930, a filter 940, a third antenna radiator 913, and a fourth antenna radiator 914. The first feed source 921 may be electrically connected to one end of the first antenna radiator 911, and the second feed source 922 may be electrically connected to one end of the second antenna radiator 912. One end of the third antenna radiator 913 may be grounded and may couple with the first antenna radiator 911; one end of the fourth antenna radiator 914 may be grounded and may be coupled to feed the second antenna radiator 912. The first metal element 930 and the first antenna radiator 911 may be coupled to feed, and the first metal element 930 and the second antenna radiator 912 may be coupled to feed; one end of the first metal piece 930 may be grounded through the filter 940; the filter 940 may include a capacitor and an inductor. The end of the third antenna radiator 913, which is far away from the first antenna radiator 911, may be as far away from the fourth antenna radiator 914 as possible, and similarly, the end of the fourth antenna radiator 914, which is far away from the second antenna radiator 912, may be as far away from the third antenna radiator 913 as possible. Alternatively, the third antenna radiator 913 and the fourth antenna radiator 914 may be disposed back-to-back.
The first feed source 921 and the first antenna radiator 911 may form a first monopole antenna 961 having an operating frequency band of a first frequency band, which may be, for example, 4GHz to 4.4 GHz. The second feed 922 and the second antenna radiator 912 may form a second monopole antenna 962 whose operating frequency band is a second frequency band, which may range from 4GHz to 4.4GHz, for example. The first feeding source 921, the first antenna radiator 911, the first metal element 930, and the filter 940 may form a first loop antenna 963 with a third frequency band, where the third frequency band may range from 3.3GHz to 4GHz, for example. The second feeding source 922, the second antenna radiator 912, the first metal element 930, and the filter 940 may form a second loop antenna 964 with a fourth frequency band, where the fourth frequency band may range from 3.3GHz to 4GHz, for example. The first feeding source 921, the first antenna radiator 911, and the third antenna radiator 913 may form a fifth antenna having a fifth frequency band, where the fifth frequency band may range from 4.4GHz to 5GHz, for example; the second feeding source 922, the second antenna radiator 912 and the fourth antenna radiator 914 may form a sixth antenna with a sixth frequency band, where the sixth frequency band may range from 4.4GHz to 5GHz, for example.
Filter 940 may filter signals in the first frequency band and/or the second frequency band.
The first antenna radiator 911, the second antenna radiator 912, the first power supply 921, the second power supply 922, the first metal element 930, the third antenna radiator 913, and the fourth antenna radiator 914 may be reasonably arranged, and the capacitance value of the capacitor element and the inductance value of the inductor element in the filter 940 may be reasonably set, so that the antenna meets the requirements of isolation and effective bandwidth.
Fig. 10 is a further embodiment of an antenna module provided herein. As shown in fig. 10, the antenna module 1000 may include a first antenna radiator 1011, a second antenna radiator 1012, a first power supply 1021, a second power supply 1022, a first metal 1030, a filter 1040, a third antenna radiator 1013, and a fourth antenna radiator 1014. The first power supply 1021 may be electrically connected to one end of the first antenna radiator 1011, and the second power supply 1022 may be electrically connected to one end of the second antenna radiator 1012. One end of the third antenna radiator 1013 may be grounded and may be coupled with the first antenna radiator 1011 for feeding; one end of the fourth antenna radiator 1014 may be grounded and may be coupled to a feed between the second antenna radiator 1012. A feed can be coupled between the first metal element 1030 and the first antenna radiator 1011, and a feed can be coupled between the first metal element 1030 and the second antenna radiator 1012; one end of the first metal piece 1030 may be grounded through the filter 1040; the filter 1040 may include capacitors, inductors. The end of the third antenna radiator 1013 that is remote from the first antenna radiator 1011 may be as close as possible to the fourth antenna radiator 1014, and similarly, the end of the fourth antenna radiator 1014 that is remote from the second antenna radiator 1012 may be as close as possible to the third antenna radiator 1013. Alternatively, the third antenna radiator 1013 and the fourth antenna radiator 1014 may be disposed to face each other.
The first feeding source 1021 and the first antenna radiator 1011 may form a first monopole antenna 1061 with an operating frequency band being a first frequency band, which may be in a range of 4GHz to 4.4GHz, for example. The second feeding source 1022 and the second antenna radiator 1012 may form a second monopole 1062 with a second frequency band, for example, 4GHz to 4.4 GHz. The first feeding source 1021, the first antenna radiator 1011, the first metal element 1030, and the filter 1040 may form a first loop antenna 1063 with a third frequency band, where the third frequency band may be, for example, 3.3GHz to 4 GHz. The second feeding source 1022, the second antenna radiator 1012, the first metal element 1030, and the filter 1040 may form a second loop antenna 1064 with a fourth frequency band, where the fourth frequency band may range from 3.3GHz to 4GHz, for example. The first feeding source 1021, the first antenna radiator 1011 and the third antenna radiator 1013 may form a fifth antenna with a fifth frequency band, and the fifth frequency band may be, for example, 4.4GHz to 5 GHz; the second feed 1022, the second antenna radiator 1012, and the fourth antenna radiator 1014 may form a sixth antenna having a sixth frequency band, where the sixth frequency band may range from 4.4GHz to 5GHz, for example.
The filter 1040 may filter signals in the first frequency band and/or the second frequency band.
The first antenna radiator 1011, the second antenna radiator 1012, the first feeding source 1021, the second feeding source 1022, the first metal element 1030, the third antenna radiator 1013, and the fourth antenna radiator 1014 can be reasonably arranged, and the capacitance value of the capacitive element and the inductance value of the inductive element in the filter 1040 can be reasonably set, so that the antenna meets the requirements of isolation and effective bandwidth.
Fig. 11 is a schematic structural diagram of an antenna device provided in an embodiment of the present application. The antenna device 1100 includes a first antenna module 1110, a second antenna module 1120, and an isolation structure 1130, where the first antenna module 1110 is one of the antenna modules 100 to 900. The isolation structure 1130 is used to isolate signals between the first antenna module 1110 and the second antenna module 1120.
Optionally, the second antenna module 1120 is one of the antenna modules 100 to 900.
It is to be understood that the isolation structure 1130 may be a neutral wire electrically connected between the power feed of the first antenna module 1110 and the power feed of the second antenna module 1120. The isolation structure 1130 may also be a metal isolation component such as a shorting metal sheet. The isolation structure 1130 may also be a specially shaped ground plane, such as a ground plane with a T-shaped defect, as well as a ground plane with an L-shaped defect.
In the embodiment of the present application, the isolation structure 1130 may isolate signals in a manner similar to that of the prior art, and the description thereof is omitted here for avoiding redundancy.
Fig. 12 is another embodiment of an antenna device provided herein. The antenna apparatus 1200 includes first and second antenna modules 1210 and 1220, and first and second neutralization wires 1231 and 1232.
The first antenna module 12110 may include a first antenna radiator 12111, a second antenna radiator 12112, a first power supply 12121, a second power supply 12122, a first metal 12130, and a filter 12140. The first power supply 12121 may be electrically connected to one end of the first antenna radiator 12111, and the second power supply 12122 may be electrically connected to one end of the second antenna radiator 12112. A coupling power may be fed between the first metal element 12130 and the first antenna radiator 12111, and a coupling power may be fed between the first metal element 12130 and the second antenna radiator 12112; one end of the first metal member 12130 may be grounded through the filter 12140; the filter 12140 may include capacitors, inductors.
The first feed 12121 and the first antenna radiator 12111 may form a first antenna 12161 having an operating frequency band of a first frequency band, which may be, for example, 4GHz to 5 GHz. The second feed 12122 and the second antenna radiator 12112 may form a second antenna 12162 with an operating frequency band of a second frequency band, which may be, for example, 4GHz to 5 GHz. The first feeding source 12121, the first antenna radiator 12111, the first metal member 12130, and the filter 12140 may form a third antenna 12163 having a third frequency band, which may be, for example, 3.3GHz to 4 GHz. The second feeding source 12122, the second antenna radiator 12112, the first metal element 12130 and the filter 12140 may form a fourth antenna 12164 having an operating frequency band of a fourth frequency band, which may range from 3.3GHz to 4GHz, for example. The filter 12140 may filter signals in the first frequency band and/or the second frequency band.
The second antenna module 12210 may include a first antenna radiator 12211, a second antenna radiator 122122, a first power supply 12221, a second power supply 12222, a first metal piece 12230, and a filter 12240. First power supply 12221 may be electrically connected to one end of first antenna radiator 12211, and second power supply 12222 may be electrically connected to one end of second antenna radiator 122122. A feed may be coupled between the first metal piece 12230 and the first antenna radiator 12211, and a feed may be coupled between the first metal piece 12230 and the second antenna radiator 122122; one end of the first metal piece 12230 may be grounded through the filter 12240; the filter 12240 may include capacitors, inductors.
The first feeding source 12221 and the first antenna radiator 12211 may form a fifth antenna 12261 with an operating frequency band of a fifth frequency band, which may be in a range of 4GHz to 5GHz, for example. The second feed 12222 and the second antenna radiator 12212 may form a sixth antenna 12262 with an operating frequency band of a sixth frequency band, which may be in a range of 4GHz to 5GHz, for example. The first power supply 12221, the first antenna radiator 12211, the first metal element 12230, and the filter 12240 may form a seventh antenna 12263 having an operating frequency band of a seventh frequency band, which may be, for example, 3.3GHz to 4 GHz. The second feeding source 12222, the second antenna radiator 12212, the first metal element 12230, and the filter 12240 may form an eighth antenna 12264 having an eighth frequency band, where the eighth frequency band may be, for example, 3.3GHz to 4 GHz. The filter 12240 may filter signals in the fifth frequency band and/or the sixth frequency band.
The first neutralizing line 1231 may be connected between one end of the first metal 12130 and one end of the first metal 12230, the second neutralizing line 1232 may be connected between the other end of the first metal 12130 and the other end of the first metal 12230, and the first neutralizing line 1231 and the second neutralizing line 1232 may be used to isolate signals between the first antenna module 1210 and the second antenna module 1220, that is, isolation between a combination of the first antenna, the second antenna, the third antenna, and the fourth antenna and a combination of the fifth antenna, the sixth antenna, the seventh antenna, and the eighth antenna is good.
In the above scheme, the first and second neutralization lines 1231 and 1232, i.e., two neutralization lines, are used to isolate the combination of the first, second, third, and fourth antennas and the combination of the fifth, sixth, seventh, and eighth antennas. In fact, one neutralization line may also isolate the combination of the first antenna, the second antenna, the third antenna, and the fourth antenna and the combination of the fifth antenna, the sixth antenna, the seventh antenna, and the eighth antenna.
The embodiment of the application also provides terminal equipment, and the terminal equipment comprises an antenna module.
Specifically, the antenna module may be one of the antenna modules 100 to 900 described above.
Optionally, the terminal device further includes a metal middle frame and a radio frequency circuit, the antenna module is connected to the radio frequency circuit, and the antenna module transmits a signal on the radio frequency circuit through the metal middle frame.
It should be understood that the metal bezel of the terminal device includes the metal bezel of the terminal device.
Specifically, the feeding point of the antenna module is connected to the rf circuit, for example, the feeding point in at least one of the antenna modules 100 to 900 may be connected to the rf circuit, and the antenna module may convert the electrical signal on the rf circuit into a spatial signal through a metal middle frame of the terminal device, and transmit the spatial signal.
The embodiment of the application also provides terminal equipment, and the terminal equipment comprises an antenna device.
Specifically, the antenna device may be one of the antenna devices 1100 and 1200 described above.
Optionally, the terminal device further includes a metal middle frame and a radio frequency circuit, the antenna device is connected to the radio frequency circuit, and the antenna device transmits a signal on the radio frequency circuit through the metal middle frame.
It should be understood that the metal bezel of the terminal device includes the metal bezel of the terminal device.
Specifically, the feed point of the antenna device is connected to the radio frequency circuit, for example, the feed point in at least one of the antenna device 1100 and the antenna device 1200 may be connected to the radio frequency circuit, and the antenna device may convert an electrical signal on the radio frequency circuit into a spatial signal through a metal middle frame of the terminal device, and transmit the spatial signal.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (24)

1. An antenna module, comprising:
the antenna comprises a first antenna radiator and a second antenna radiator;
the antenna comprises a first antenna radiator, a second antenna radiator and a power supply, wherein the first antenna radiator is electrically connected with the first power supply;
the first metal piece is coupled with the first antenna radiator for feeding, and the first metal piece is coupled with the second antenna radiator for feeding;
one end of the filter is electrically connected with one end of the first metal piece, and the other end of the filter is grounded; wherein,
the first feed source and the first antenna radiator form a first antenna with a first working frequency band;
the second feed source and the second antenna radiator form a second antenna with a second working frequency band;
the first feed source, the first antenna radiator, the first metal piece and the filter form a third antenna with a third working frequency band;
the second feed source, the second antenna radiator, the first metal piece and the filter form a fourth antenna with a fourth working frequency band;
the first feed source, the first antenna radiator and a first part of the first metal piece form a ninth antenna with a ninth working frequency band, and the first part is close to the first antenna radiator and far away from the filter;
the second feed source, the second antenna radiator and the second part of the first metal piece form a tenth antenna with a tenth working frequency band, and the second part is close to the second antenna radiator and far away from the filter;
the first frequency band is the same as the second frequency band, the third frequency band is the same as the fourth frequency band, and the ninth frequency band is the same as the tenth frequency band; the filter is used for filtering signals in the first frequency band and/or the second frequency band range.
2. The antenna module of claim 1, further comprising:
the second metal piece and the first antenna radiator are coupled and fed, and the third metal piece and the second antenna radiator are coupled and fed; wherein,
the first feed source, the first antenna radiator and the second metal piece form a fifth antenna with a fifth working frequency band;
the second feed source, the second antenna radiator and the third metal piece form a sixth antenna with a sixth working frequency band;
the fifth frequency band is the same as the sixth frequency band.
3. The antenna module of claim 1 or 2, further comprising:
a third antenna radiator and a fourth antenna radiator, wherein,
one end of the third antenna radiator is grounded, and the third antenna radiator and the first antenna radiator are coupled for feeding; one end of the fourth antenna radiator is grounded, and the fourth antenna radiator and the second antenna radiator are coupled for feeding;
the first feed source, the first antenna radiator and the third antenna radiator form a seventh antenna with a seventh working frequency band;
the second feed source, the second antenna radiator and the fourth antenna radiator form an eighth antenna with an eighth working frequency band;
the seventh frequency band is the same as the eighth frequency band.
4. The antenna module of claim 1 or 2, wherein the filter comprises a capacitor and an inductor.
5. The antenna module of claim 4, wherein the capacitance is a distributed capacitance.
6. The antenna module of claim 4, wherein the inductance is a distributed inductance.
7. The antenna module of any one of claims 1, 2, 5, 6, wherein one end of the first antenna radiator is grounded and one end of the second antenna radiator is grounded.
8. The antenna module of any one of claims 1, 2, 5, 6, wherein the first metallic article comprises a distributed inductance.
9. The antenna module according to any one of claims 1, 2, 5, 6, characterized in that the first antenna radiator comprises a distributed inductance.
10. The antenna module of any one of claims 1, 2, 5, 6, wherein the second antenna radiator comprises a distributed inductance.
11. The antenna module of any one of claims 1, 2, 5, 6, wherein the third antenna and the fourth antenna are both loop antennas.
12. An antenna module, comprising:
the antenna comprises a first antenna radiator and a second antenna radiator;
the antenna comprises a first antenna radiator, a second antenna radiator and a power supply, wherein the first antenna radiator is electrically connected with the first power supply;
the first metal piece is coupled with the first antenna radiator for feeding, and the first metal piece is coupled with the second antenna radiator for feeding;
the antenna comprises a first long metal piece and a first short metal piece, wherein the first long metal piece and the first antenna radiator are coupled for feeding, and the first short metal piece is electrically connected with the first long metal piece;
the second long metal piece and the second short metal piece are coupled and fed with the second antenna radiator, and the second short metal piece is electrically connected with the second long metal piece;
one end of the filter is electrically connected with one end of the first metal piece, and the other end of the filter is grounded; wherein,
the first feed source, the first antenna radiator and the first long metal piece form a first antenna with a first working frequency band;
the second feed source, the second antenna radiator and the second long metal piece form a second antenna with a second working frequency band;
the first feed source, the first antenna radiator, the first metal piece and the filter form a third antenna with a third working frequency band;
the second feed source, the second antenna radiator, the first metal piece and the filter form a fourth antenna with a fourth working frequency band;
the first feed source, the first antenna radiator, the first long metal piece and the first short metal piece form a fifth antenna with a fifth working frequency band;
the second feed source, the second antenna radiator, the second long metal piece and the second short metal piece form a sixth antenna with a sixth working frequency band;
the first frequency band is the same as the second frequency band, the third frequency band is the same as the fourth frequency band, the fifth frequency band is the same as the sixth frequency band, the first frequency band is smaller than the fifth frequency band, and the third frequency band is smaller than the first frequency band; the filter is used for filtering signals in the first frequency band and/or the second frequency band range.
13. The antenna module of claim 12, further comprising:
a third antenna radiator and a fourth antenna radiator, wherein,
one end of the third antenna radiator is grounded, and the third antenna radiator and the first antenna radiator are coupled for feeding; one end of the fourth antenna radiator is grounded, and the fourth antenna radiator and the second antenna radiator are coupled for feeding;
the first feed source, the first antenna radiator and the third antenna radiator form a seventh antenna with a seventh working frequency band;
the second feed source, the second antenna radiator and the fourth antenna radiator form an eighth antenna with an eighth working frequency band;
the seventh frequency band is the same as the eighth frequency band.
14. The antenna module according to claim 12 or 13, characterized in that the filter comprises a capacitance and an inductance.
15. The antenna module of claim 14, wherein the capacitance is a distributed capacitance.
16. The antenna module of claim 14, wherein the inductance is a distributed inductance.
17. The antenna module of any of claims 12, 13, 15, 16, wherein one end of the first antenna radiator is grounded and one end of the second antenna radiator is grounded.
18. The antenna module of any one of claims 12, 13, 15, 16, wherein the first metallic element comprises a distributed inductance.
19. The antenna module according to any of claims 12, 13, 15, 16, characterized in that the first antenna radiator comprises a distributed inductance.
20. The antenna module of any of claims 12, 13, 15, 16, wherein the second antenna radiator comprises a distributed inductance.
21. The antenna module of any of claims 12, 13, 15, 16, wherein the third antenna and the fourth antenna are both loop antennas.
22. An antenna device, comprising:
a first antenna module according to any of claims 1-21, a second antenna module, and an isolation structure for isolating signals between the first and second antenna modules.
23. A terminal device comprising an antenna module according to any of claims 1-21.
24. A terminal device comprising an antenna arrangement according to claim 22.
CN201910152472.1A 2019-02-28 2019-02-28 Antenna module, antenna device and terminal equipment Active CN109980364B (en)

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