CN111682310A - Antenna assembly and wireless electronic device - Google Patents
Antenna assembly and wireless electronic device Download PDFInfo
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- CN111682310A CN111682310A CN202010553311.6A CN202010553311A CN111682310A CN 111682310 A CN111682310 A CN 111682310A CN 202010553311 A CN202010553311 A CN 202010553311A CN 111682310 A CN111682310 A CN 111682310A
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- radiating element
- antenna assembly
- wireless electronic
- radiation unit
- inductor
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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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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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
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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
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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- 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
- H01Q5/335—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 at the feed, e.g. for impedance matching
Abstract
The invention provides an antenna assembly and wireless electronic equipment, relates to the technical field of wireless communication antennas, and aims to solve the problems of low space utilization rate of the wireless electronic equipment and poor radiation performance of the antenna assembly. In the antenna assembly, the radiation unit and the soft board base material can be flexibly bent together, so that the antenna assembly can be flexibly arranged in the wireless electronic equipment, the space utilization rate of the wireless electronic equipment is improved, a bracket for supporting the radiation unit is not needed, and the space of the wireless electronic equipment is saved; in addition, the radiation unit is arranged on the soft board base material, so that the toughness of the radiation unit is improved, the radiation unit can be prevented from being broken when being bent, and the working reliability of the radiation unit is improved; the tuning circuit is arranged on the flexible board substrate and is electrically connected with the radiation unit, so that impedance matching of the radiation unit can be realized, and the radiation performance of the antenna is improved.
Description
Technical Field
The present invention relates to the field of wireless communication antenna technologies, and in particular, to an antenna assembly and a wireless electronic device.
Background
The antenna assembly is one of essential components of the wireless electronic equipment, along with the rapid development of wireless technology, the functions and the applications of the wireless electronic equipment are continuously improved and increased, and the battery capacity is continuously increased, so that the space in the wireless electronic equipment is further compressed, and the frequency bands required to be covered by the wireless electronic equipment are more and more, therefore, the design difficulty of the antenna assembly is continuously increased.
The antenna assembly generally comprises a metal radiation branch, a support for supporting the metal radiation branch, a tuning circuit arranged on a circuit board, a feeding point and a feeding point, wherein the metal radiation branch is electrically connected with the tuning circuit to meet the tunable range of the antenna, the metal radiation branch is electrically connected with the feeding point and the feeding point, and the feeding point is electrically connected with a feeding source.
However, the support for supporting the metal radiation branch may occupy a part of the space of the wireless electronic device, the space utilization rate of the wireless electronic device is low, and the metal radiation branch is easily broken in the bending process of the metal radiation branch, resulting in poor radiation performance of the antenna assembly.
Disclosure of Invention
The embodiment of the invention provides an antenna assembly and wireless electronic equipment, which are used for improving the space utilization rate of the wireless electronic equipment and improving the radiation performance of an antenna.
In order to achieve the above object, in a first aspect, an embodiment of the present invention provides an antenna assembly including a flexible board substrate, a radiating element, a tuning circuit, a feed point, and a feed point; the radiating unit and the tuning circuit are arranged on the flexible printed circuit board base material, and the radiating unit is electrically connected with the tuning circuit; the radiating element is electrically connected with the feed point and the feed point; the antenna assembly is flexibly bendable.
As an alternative implementation, an antenna assembly provided in an embodiment of the present invention includes a radiating element that includes a first metal radiating element and a second metal radiating element; the first metal radiating element and the second metal radiating element are arranged at intervals, the first metal radiating element is electrically connected with the feed point, and the second metal radiating element is electrically connected with the feed point.
As an optional implementation manner, in the antenna assembly provided in the embodiment of the present invention, the first metal radiating element is a metal radiating branch; the second metal radiation unit is a metal radiation branch knot.
As an alternative implementation, the present embodiments provide an antenna assembly, where the flexible board substrate includes a first flexible board layer and a second flexible board layer; the radiating element and the tuning circuit are sandwiched between the first and second flex layers.
As an alternative implementation, in the antenna assembly provided in the embodiment of the present invention, the tuning circuit includes a capacitor and/or an inductor.
As an alternative implementation manner, in the antenna assembly provided by the embodiment of the present invention, when the tuning circuit includes a capacitor and an inductor, the capacitor and the inductor are connected in parallel and connected between the first metal radiating element and the second metal radiating element.
As an alternative implementation manner, in the antenna assembly provided by the embodiment of the present invention, when the tuning circuit includes a capacitor and an inductor, the capacitor and the inductor are connected in series and connected between the first metal radiating element and the second metal radiating element.
As an alternative implementation manner, in the antenna assembly provided in the embodiment of the present invention, the capacitor is a capacitor with a fixed capacitance value or a capacitor with a variable capacitance value; the inductor is an inductor with a fixed inductance value or an inductor with a variable inductance value.
As an alternative implementation, the antenna assembly provided in the present example, wherein the flexible board substrate is an LCP substrate.
In a second aspect, an embodiment of the present invention further provides a wireless electronic device, including a circuit board and the antenna assembly described in any one of the above, where the antenna assembly includes the feeding point, the feeding point is disposed on the circuit board, and a feed source electrically connected to the feeding point is further disposed on the circuit board, and the feed source feeds a high-frequency current to the antenna assembly through the feeding point.
According to the antenna assembly and the wireless electronic device provided by the embodiment of the invention, as the radiation unit and the soft board base material can be flexibly bent together, the antenna assembly can be flexibly arranged in the wireless electronic device, the space utilization rate of the wireless electronic device is improved, a support for supporting the radiation unit is not needed, and the space of the wireless electronic device is saved; in addition, through setting up the radiating element on the soft board substrate, when the radiating element buckles, the soft board substrate can make the radiating element on the soft board substrate all the time, has increased the toughness of radiating element, thereby avoid the radiating element to take place the rupture when buckling, improved the operational reliability of radiating element, and set up the tuned circuit on the soft board substrate, and make tuned circuit and radiating element electricity be connected, like this, can realize carrying out impedance match to the radiating element, thereby promote the radiation performance of antenna module.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an antenna assembly according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;
fig. 3 is a schematic diagram illustrating a first structure of matching impedance tuning in an antenna assembly according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a second structure of matching impedance tuning in an antenna assembly according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a third structure of matching impedance tuning in an antenna assembly according to an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a fourth structure of matching impedance tuning in an antenna assembly according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of the system of FIG. 5;
FIG. 8 is a schematic diagram of the system of FIG. 6;
FIG. 9 is a schematic diagram of the frequency response of FIG. 6 during matched impedance tuning;
FIG. 10 is a schematic diagram of the antenna assembly of FIG. 6 in a horizontal configuration;
fig. 11 is a schematic diagram of the antenna assembly of fig. 6 in a vertical layout.
Description of reference numerals:
10-a flexible board substrate;
101-a first hose layer;
102-a second hose layer;
20-a radiating element;
201-a first metallic radiating element;
202-a second metallic radiating element;
30-a tuning circuit;
301-a capacitance;
302-an inductance;
40-feeding point;
50-a feed-through location;
60-reference ground;
70-soldering pins.
Detailed Description
The antenna is the indispensable subassembly of wireless electronic equipment, and along with the rapid development of wireless technology, wireless electronic equipment's function and application are constantly promoted and are increased, and battery capacity constantly increases, and the space is compressed step by step, and wireless electronic equipment requires the frequency channel that covers but more and more, consequently, the design degree of difficulty constantly increases. Generally, the antenna assembly comprises a metal radiation branch, a support for supporting the metal radiation branch, a tuning circuit arranged on a circuit board, a feeding point and a feeding point, wherein the metal radiation branch is electrically connected with the tuning circuit to meet the tunable range of the antenna, the metal radiation branch is electrically connected with the feeding point and the feeding point, and the feeding point is electrically connected with a feeding source, so that the feeding source can feed high-frequency current to the antenna assembly through the feeding point, the size of the metal radiation branch is determined according to the space of the wireless electronic device, and the metal radiation branch has flexibility, so that the metal radiation branch can be bent, and the bent metal radiation branch is arranged in the wireless electronic device through the support of the support to realize the radiation function of the antenna assembly. However, the support for supporting the metal radiation branch may occupy a part of the space of the wireless electronic device, the space utilization rate of the wireless electronic device is low, and the metal radiation branch is easily broken in the bending process of the metal radiation branch, resulting in poor radiation performance of the antenna assembly.
Therefore, the antenna assembly and the wireless electronic device provided by the embodiment of the invention have the advantages that the radiation unit and the tuning unit are arranged on the soft board base material, and the radiation unit and the soft board base material can be flexibly bent together, so that the antenna assembly can be flexibly arranged in the wireless electronic device, the space utilization rate of the wireless electronic device is improved, a support is not needed for supporting the radiation unit, and the space of the wireless electronic device is saved; in addition, because the radiating element sets up on the soft board substrate, when the radiating element is buckled, the soft board substrate can make the radiating element on the soft board substrate all the time, the toughness of radiating element has been increased, thereby avoid the radiating element to take place the rupture when buckling, thereby improved the operational reliability of radiating element, and set up the tuned circuit on the soft board substrate, and make tuned circuit and radiating element electricity be connected, like this, can realize carrying out impedance matching on the radiating element, tune out different frequencies, thereby promote the radiation performance of antenna.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example one
The wireless electronic device provided by the embodiment of the invention comprises an antenna component. In this embodiment, the wireless electronic device is a mobile phone. Of course, in other embodiments, the wireless electronic device may also be other wireless electronic devices such as a palm computer and a tablet computer.
Fig. 1 is a schematic structural diagram of an antenna assembly according to an embodiment of the present invention. As shown in fig. 1, the antenna assembly includes a flexible board substrate 10, a radiating element 20, a tuning circuit 30, a feeding point 40, and a feeding point 50; the radiation unit 20 is disposed on the flexible printed circuit board substrate 10 and can be flexibly bent together with the flexible printed circuit board substrate 10, and the radiation unit 20 is electrically connected to the feeding point 40 and the feeding point 50 respectively; the tuning circuit 30 is disposed on the flexible board substrate 10, and the tuning circuit 30 is electrically connected to the radiation unit 20.
Specifically, in order to prevent the radiation element 20 from being broken during bending when the thickness of the radiation element is thin, and affecting the radiation performance of the antenna assembly, in this embodiment, the radiation element 20 is disposed on the flexible printed circuit board base material 10, and in this embodiment, the flexible printed circuit board base material 10 has good toughness, flexibility and ultra-thinness, for example, the flexible printed circuit board base material 10 may be made of Liquid Crystal Polymer (LCP) or other material having the same or similar characteristics as the LCP. The radiation unit 20 is arranged on the flexible printed circuit board base material 10, so that the radiation unit 20 and the flexible printed circuit board base material 10 are integrated, when the radiation unit 20 is bent, the flexible printed circuit board base material 10 serves as a support for the radiation unit 20, and the situation that the radiation unit 20 is always on the flexible printed circuit board base material 10 due to the fact that the radiation unit 20 is too thin and not enough in toughness when the radiation unit 20 is bent can be avoided, and therefore the toughness of the radiation unit 20 is improved, the radiation unit 20 can be prevented from being broken when the radiation unit 20 is bent, and the radiation performance of the antenna assembly cannot be influenced. And a bracket for supporting the radiation unit is not needed, so that the space of the wireless electronic device is saved, and the radiation unit 20 can be flexibly bent along with the flexible board base material 10, so that the antenna assembly can be flexibly arranged in the wireless electronic device, and the space utilization rate of the wireless electronic device is improved.
Illustratively, since the radiation unit 20 can be flexibly bent together with the flexible printed circuit board substrate 10, various antenna design variations, such as monopole (monopole), inverted F, loop, etc., including but not limited to other antenna design variations, can be implemented.
Further, the antenna assembly further comprises a tuning circuit 30, the tuning circuit 30 is arranged on the flexible printed circuit board base material 10, the tuning circuit 30 is electrically connected with the radiating unit 20, different impedances can be matched for the antenna assembly through the tuning circuit 30, and thus different frequency bands can be tuned, so that the radiation performance of the antenna is improved, and the coverage requirements of the corresponding frequency bands of the antenna are met.
It should be noted that the tuning circuit 30 is usually disposed on a circuit board, and in this embodiment, the tuning circuit 30 is disposed on the flexible printed circuit board substrate 10, so that the area of the circuit board can be reduced, and the utilization rate of the circuit board can be increased.
In a specific implementation, the radiation unit 20 is provided with a plurality of welding pins 70 that are arranged at intervals and can be electrically connected with the tuning unit, and the tuning circuit 30 can be electrically connected with different welding pins 70 on the radiation unit 20, so that the electrical lengths of the radiation unit 20 are different, thereby implementing different impedance matching and tuning different operating frequencies of the antenna.
Or, the radiation unit 20 may be provided with a plurality of copper exposing processes, and the copper exposing processes are mainly electrically conducted with the tuning unit, which is not limited in this embodiment.
In an alternative embodiment, when the radiating element 20 is bent along with the flexible printed circuit board substrate 10, since the tuning element cannot be bent, the tuning element can be connected and conducted with the welding pin 70 where the radiating element 20 is not bent, so as to tune a frequency meeting the requirement.
Further, the antenna assembly further includes a feeding point 40 and a feeding point 50, wherein the radiating element 20 is electrically connected to the feeding point 40, the feeding point 40 is electrically connected to the feeding source, so that the feeding source feeds the high frequency current to the radiating element 20 through the feeding point 40, the radiating element 20 is electrically connected to the feeding point 50, and the feeding point 50 is electrically connected to the reference ground 60.
In this embodiment, the radiating unit 20 and the tuning circuit 30 are both disposed on the flexible substrate 10 to form an antenna, and the antenna is flexible and bendable, so that the antenna can be bent into any desired shape, and the antenna can be flexibly disposed in the wireless electronic device, thereby improving the space utilization rate of the wireless electronic device, reducing the overall size of the wireless electronic device, and meeting the requirement of miniaturization of the wireless electronic device, and because the tuning circuit 30 can match impedance, the radiation performance of the antenna can be improved.
Optionally, the radiation unit 20 includes a first metal radiation unit 201 and a second metal radiation unit 202; the first metal radiating element 201 and the second metal radiating element 202 are disposed at intervals, the first metal radiating element 201 is electrically connected to the feeding point 40, and the second metal radiating element 202 is electrically connected to the feeding point 50.
Specifically, a gap is provided between the first metal radiating element 201 and the second metal radiating element 202, so that the first metal radiating element 201 and the second metal radiating element 202 can be coupled, thereby exciting the operating frequency required by the antenna. Of course, the first metal radiating element 201 and the second metal radiating element 202 may also be directly electrically connected, mainly according to the frequency to be tuned.
In an alternative embodiment, the first metal radiating element 201 is a metal radiating branch, and the second metal radiating element 202 is also a metal radiating branch, wherein the metal radiating branch may be made of a material with good electrical conductivity, such as copper, gold, aluminum, and aluminum alloy.
Specifically, the metal radiation branch may be an L-shaped metal radiation branch, or may be a metal radiation branch in any other shape as long as the radiation performance of the antenna assembly can be satisfied, which is not limited in this embodiment.
Fig. 2 is a schematic diagram of the exploded structure of fig. 1. As shown in fig. 2, the flexible board substrate 10 may alternatively include a first flexible board layer 101 and a second flexible board layer 102; wherein the radiating element 20 and the tuning circuit 30 are sandwiched between a first foil layer 101 and a second foil layer 102.
Specifically, in order to improve the overall reliability of the antenna assembly and avoid the radiation unit 20 and the tuning circuit 30 from falling off from the flexible printed circuit board substrate 10, in this embodiment, after the first flexible printed circuit board layer 101 and the second flexible printed circuit board layer 102 are molded by injection molding, the radiation unit 20 and the tuning circuit 30 are clamped between the first flexible printed circuit board layer 101 and the second flexible printed circuit board layer 102, and then the first flexible printed circuit board layer 101 and the second flexible printed circuit board layer 102 are laminated together to manufacture a regular finished antenna. The antenna is arranged on the wireless electronic equipment by utilizing the flexibility, toughness and ultrathin property of the flexible board base material 10, so that the space utilization rate of the wireless electronic equipment is improved, the miniaturization requirement of the wireless electronic equipment is realized, and the radiation performance of the antenna in the wireless electronic equipment is improved by arranging the tuning circuit 30.
It should be noted that, in order to further improve the flexibility and toughness of the antenna, after the first flexible board layer 101 and the second flexible board layer 102 are laminated, a medium made of materials such as LCP may be filled in a gap between the first flexible board layer and the second flexible board layer, so that the interior after lamination is more closed, and the antenna may achieve the flexibility and toughness meeting the requirements.
Fig. 3 is a schematic diagram illustrating a first structure of matching impedance tuning in an antenna assembly according to an embodiment of the present invention; fig. 4 is a schematic diagram illustrating a second structure of matching impedance tuning in an antenna assembly according to an embodiment of the present invention; fig. 5 is a schematic diagram illustrating a third structure of matching impedance tuning in an antenna assembly according to an embodiment of the present invention; fig. 6 is a schematic diagram illustrating a fourth structure of matching impedance tuning in an antenna assembly according to an embodiment of the present invention. In an alternative embodiment, as shown in fig. 3 to 6, the tuning circuit 30 includes one or more of a capacitor 301 and an inductor 302. That is, by providing a capacitor 301, an inductor 302, or both a capacitor 301 and an inductor 302 in the tuning circuit 30 and electrically connecting the capacitor 301 and the inductor 302 to different soldering pins 70 on the radiating element 20, the electrical length and impedance of the radiating element 20 can be changed, so as to adjust the operating frequency required by the wireless electronic device.
In an alternative embodiment, as shown in fig. 5, the tuning circuit 30 includes a capacitor 301 and an inductor 302, and the capacitor 301 and the inductor 302 are connected in parallel and between the first metal radiating element 201 and the second metal radiating element 202.
Specifically, in order to obtain different impedances and achieve different operating frequencies, the tuning circuit 30 may be provided with the capacitor 301 and the inductor 302 at the same time, and the capacitor 301 and the inductor 302 are connected in parallel between the first metal radiating element 201 and the second metal radiating element 202 to achieve different impedance matching, thereby tuning a desired operating frequency. Further, the impedance can be changed by adjusting the positions of the capacitor 301 and the inductor 302 between the first metal radiating element 201 and the second metal radiating element 202, so that different frequencies can be tuned, and thus the required operating frequency can be achieved.
In a specific implementation, as shown in fig. 7, a plurality of soldering pins 70 are provided in the radiating element 20, and the capacitor 301 and the inductor 302 are electrically connected to different soldering pins 70 in parallel, so that different impedances can be matched, thereby tuning a desired operating frequency.
In another alternative embodiment, as shown in fig. 6, the tuning circuit 30 includes a capacitor 301 and an inductor 302, and the capacitor 301 and the inductor 302 are connected in series and between the first metal radiating element 201 and the second metal radiating element 202.
In this embodiment, the capacitor 301 and the inductor 302 are connected in series, and different connecting positions of the capacitor 301 and the inductor 302 between the first metal radiating element 201 and the second metal radiating element 202 are adjusted, so as to match different impedances to the antenna, thereby tuning the operating frequency meeting the requirement.
In a specific implementation, as shown in fig. 8, a plurality of soldering pins 70 are provided in the radiating element 20, and the capacitor 301 and the inductor 302 are electrically connected in series with different soldering pins 70, so that different impedances can be matched, thereby tuning a desired operating frequency.
Fig. 9 is a schematic diagram of the frequency response of fig. 6 during matching impedance tuning. As shown in fig. 9, when the capacitor 301 and the inductor 302 are designed in series, the frequency adjustability of the antenna at a lower frequency band is more obvious, and the influence on the frequency at a higher frequency is less.
Further, in order to tune more frequencies, the capacitor 301 may be a capacitor 301 with a fixed capacitance value, or may be a capacitor 301 with a variable capacitance value, which can tune more frequencies; similarly, the inductor 302 may be an inductor 302 with a fixed inductance value or an inductor 302 with a variable inductance value to tune different frequencies to meet the coverage requirement of the operating frequency of the wireless electronic device.
FIG. 10 is a schematic diagram of the antenna assembly of FIG. 6 in a horizontal configuration; fig. 11 is a schematic diagram of the antenna assembly of fig. 6 in a vertical layout. As shown in fig. 10 and 11, based on the above embodiments, the antenna assembly can be flexibly disposed in the wireless electronic device, and therefore, the antenna assembly can be assembled according to the internal and external configurations of the wireless electronic device, for example, the antenna can be vertically disposed in the wireless electronic device, or horizontally disposed in the wireless electronic device, and is not limited to other layout manners, so that the three-dimensional external shapes such as the thickness of the wireless electronic device can be reduced, and the wireless electronic device has a good external design advantage.
Example two
In this embodiment, the wireless electronic device includes a circuit board and an antenna assembly, the circuit board is provided with a feeding point and a feed source electrically connected to the feeding point, and the feed source feeds a high-frequency current to the antenna assembly through the feeding point.
The feed source can be a radio frequency module arranged on the circuit board, and the radio frequency module is electrically connected with the feed point through a feed line.
The structure and the working principle of the antenna assembly have been described in detail in the above embodiments, and are not described in detail herein.
The embodiment of the invention provides the wireless electronic equipment, because the radiation unit and the soft board base material can be flexibly bent together, the antenna assembly can be flexibly distributed in the wireless electronic equipment, the space utilization rate of the wireless electronic equipment is improved, a bracket for supporting the radiation unit is not needed, and the space of the wireless electronic equipment is saved; in addition, through setting up the radiating element on the soft board substrate, when the radiating element buckles, the soft board substrate can make the radiating element on the soft board substrate all the time, has increased the toughness of radiating element, thereby avoid the radiating element to take place the rupture when buckling, improved the operational reliability of radiating element, and set up the tuned circuit on the soft board substrate, and make tuned circuit and radiating element electricity be connected, like this, can realize carrying out impedance match to the radiating element, thereby promote the radiation performance of antenna module.
In the description of the present invention, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection through intervening media, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description herein, references to the description of "one embodiment," "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An antenna assembly, comprising: the antenna comprises a flexible board substrate, a radiation unit, a tuning circuit, a feed point and a feed point;
the radiating element is arranged on the flexible board base material and can be flexibly bent together with the flexible board base material, and the radiating element is electrically connected with the feed point and the feed point respectively;
the tuning circuit is arranged on the flexible printed circuit board base material and is electrically connected with the radiation unit.
2. The antenna assembly of claim 1, wherein the radiating element comprises a first metallic radiating element and a second metallic radiating element;
the first metal radiating element and the second metal radiating element are arranged at intervals, the first metal radiating element is electrically connected with the feed point, and the second metal radiating element is electrically connected with the feed point.
3. The antenna assembly of claim 2, wherein the first metallic radiating element is a metallic radiating stub; the second metal radiation unit is a metal radiation branch knot.
4. The antenna assembly of any one of claims 1-3, wherein the flexible board substrate comprises a first flexible board layer and a second flexible board layer;
the radiating element and the tuning circuit are sandwiched between the first and second flex layers.
5. The antenna assembly of claim 2, wherein the tuning circuit comprises one or more of a capacitance, an inductance.
6. The antenna assembly of claim 5, wherein the tuning circuit comprises a capacitor and an inductor, the capacitor and the inductor being connected in parallel and between the first metallic radiating element and the second metallic radiating element.
7. The antenna assembly of claim 5, wherein the tuning circuit comprises a capacitor and an inductor, the capacitor and the inductor being connected in series and between the first metallic radiating element and the second metallic radiating element.
8. The antenna assembly of claim 5, wherein the capacitance is a fixed capacitance or a variable capacitance; the inductor is an inductor with a fixed inductance value or an inductor with a variable inductance value.
9. The antenna assembly of any one of claims 1-3, wherein the flexboard substrate is an LCP substrate.
10. A wireless electronic device comprising a circuit board and the antenna assembly of any one of claims 1 to 9, wherein the antenna assembly comprises the feeding point, wherein the feeding point is disposed on the circuit board, and wherein a feed source electrically connected to the feeding point is disposed on the circuit board, and wherein the feed source feeds a high-frequency current to the antenna assembly through the feeding point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010553311.6A CN111682310A (en) | 2020-06-17 | 2020-06-17 | Antenna assembly and wireless electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010553311.6A CN111682310A (en) | 2020-06-17 | 2020-06-17 | Antenna assembly and wireless electronic device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729592A (en) * | 2002-12-23 | 2006-02-01 | 安费诺索卡佩克斯股份有限公司 | Small-volume antenna for portable radio equipment |
| CN203300795U (en) * | 2013-05-10 | 2013-11-20 | 深圳市邦华电子有限公司 | Mobile phone antenna based on flexible insulation substrate |
| US20150200456A1 (en) * | 2014-01-14 | 2015-07-16 | Wistron Neweb Corporation | Broadband Antenna |
| US20190027839A1 (en) * | 2015-11-11 | 2019-01-24 | Taoglas Group Holdings Limited | Flexible polymer antenna with multiple ground resonators |
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2020
- 2020-06-17 CN CN202010553311.6A patent/CN111682310A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729592A (en) * | 2002-12-23 | 2006-02-01 | 安费诺索卡佩克斯股份有限公司 | Small-volume antenna for portable radio equipment |
| CN203300795U (en) * | 2013-05-10 | 2013-11-20 | 深圳市邦华电子有限公司 | Mobile phone antenna based on flexible insulation substrate |
| US20150200456A1 (en) * | 2014-01-14 | 2015-07-16 | Wistron Neweb Corporation | Broadband Antenna |
| US20190027839A1 (en) * | 2015-11-11 | 2019-01-24 | Taoglas Group Holdings Limited | Flexible polymer antenna with multiple ground resonators |
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Application publication date: 20200918 |
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