CN112103669A - Lens antenna array and electronic equipment - Google Patents
Lens antenna array and electronic equipment Download PDFInfo
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- CN112103669A CN112103669A CN201910529132.6A CN201910529132A CN112103669A CN 112103669 A CN112103669 A CN 112103669A CN 201910529132 A CN201910529132 A CN 201910529132A CN 112103669 A CN112103669 A CN 112103669A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
- H01Q21/293—Combinations of different interacting antenna units for giving a desired directional characteristic one unit or more being an array of identical aerial elements
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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
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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
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/247—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The application provides a lens antenna array, lens antenna array includes: the antenna lens comprises a first metal plate, a dielectric lens and a second metal plate which are sequentially stacked, wherein the dielectric lens is provided with an arc-shaped surface arranged between the first metal plate and the second metal plate and a rectangular surface arranged opposite to the arc-shaped surface; each radiator is arranged on a rectangular surface of one dielectric lens, the position of the focus of at least one radiator relative to the dielectric lens is deviated, and when an electromagnetic wave signal radiated by the radiators is transmitted from the arc-shaped surface after being conducted by the antenna lens, the beam direction of the electromagnetic wave signal is changed along with the deviation of the position of the focus of at least one radiator relative to the dielectric lens. The application also provides an electronic device. The lens antenna array with adjustable beam direction can be formed to realize beam scanning, improve the beam angle range of the lens antenna array and improve the communication capacity of electronic equipment.
Description
Technical Field
The application relates to the technical field of electronics, in particular to a lens antenna array and electronic equipment.
Background
With the development of mobile communication technology, people have higher and higher requirements on data transmission rate and antenna signal bandwidth, and how to improve the antenna signal transmission quality and data transmission rate of electronic equipment becomes a problem to be solved.
Disclosure of Invention
The application provides a lens antenna array and electronic equipment for improving antenna signal transmission quality and data transmission rate.
In one aspect, the present application provides a lens antenna array, including:
the antenna comprises a plurality of antenna lenses which are sequentially arranged, wherein each antenna lens comprises a first metal plate, a dielectric lens and a second metal plate which are sequentially stacked, and the dielectric lens is provided with an arc-shaped surface arranged between the first metal plate and the second metal plate and a rectangular surface which is opposite to the arc-shaped surface; and
the antenna comprises a dielectric lens, a plurality of radiators, a plurality of radiating bodies and a plurality of radiating bodies, wherein each radiating body is arranged on a rectangular surface of the dielectric lens, at least one radiating body is offset relative to the focal position of the dielectric lens, and when an electromagnetic wave signal radiated by the radiating bodies is transmitted by the antenna lens and then is emitted from the arc-shaped surface, the beam direction of the electromagnetic wave signal is changed along with the offset of the focal position of the at least one radiating body relative to the dielectric lens.
In another aspect, the present application provides an electronic device including the lens antenna array described in any one of the above.
In another aspect, the present application provides an electronic device including two lens antenna arrays oppositely disposed, where the lens antenna arrays include:
the antenna comprises a plurality of antenna lenses which are sequentially arranged, wherein each antenna lens comprises a first metal plate, a dielectric lens and a second metal plate which are sequentially stacked, and the dielectric lens is provided with an arc-shaped surface arranged between the first metal plate and the second metal plate and a rectangular surface which is opposite to the arc-shaped surface; and
the millimeter wave radiating bodies are arranged on the rectangular surface of the dielectric lens, at least one millimeter wave radiating body is offset relative to the focal position of the dielectric lens, and when millimeter wave signals transmitted by the millimeter wave radiating bodies are transmitted from the arc-shaped surface after being conducted by the antenna lens, the beam direction of the millimeter wave signals changes along with the offset of the focal position of the at least one millimeter wave radiating body relative to the dielectric lens.
The beam pointing direction of the electromagnetic wave signals generated by the radiator after being conducted by the antenna lens deviates from the central axis of the antenna lens by setting the focus position deviation of the radiator in the lens antenna array relative to the dielectric lens, so that the beam pointing direction of the electromagnetic wave signals can be adjusted according to the deviation of the radiator relative to the focus position of the dielectric lens, and further the lens antenna array with adjustable beam pointing direction is formed, so that beam scanning is realized, the beam angle range of the lens antenna array is improved, and the antenna signal transmission quality and the data transmission rate are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an electronic device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a lens antenna array according to an embodiment of the present application.
Fig. 3 is a schematic top view of a lens antenna unit according to an embodiment of the present disclosure.
Fig. 4 is a schematic side view of a lens antenna unit according to an embodiment of the present disclosure.
Fig. 5 is a schematic top view of another lens antenna unit according to an embodiment of the present disclosure.
Fig. 6 is a schematic top view of another lens antenna unit according to an embodiment of the present disclosure.
Fig. 7 is a schematic structural diagram of a lens antenna array according to an embodiment of the present application, in which a first lens antenna element radiates an electromagnetic wave signal.
Fig. 8 is a schematic structural diagram illustrating a second lens antenna element in a lens antenna array radiating an electromagnetic wave signal according to an embodiment of the present application.
Fig. 9 is a schematic structural diagram of another second lens antenna element in a lens antenna array radiating an electromagnetic wave signal according to an embodiment of the present application.
Fig. 10 is a schematic structural diagram illustrating a third lens antenna element in a lens antenna array radiating an electromagnetic wave signal according to an embodiment of the present application.
Fig. 11 is a schematic structural diagram of another third lens antenna element in a lens antenna array radiating an electromagnetic wave signal according to an embodiment of the present application.
Fig. 12 is a schematic internal structure diagram of an electronic device according to an embodiment of the present application.
Fig. 13 is a schematic internal structure diagram of another electronic device provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The embodiments listed in the present application may be appropriately combined with each other.
Referring to fig. 1, fig. 1 is a first perspective view of an electronic device 100. The electronic device may be a product with an antenna, such as a phone, a television, a tablet computer, a mobile phone, a camera, a personal computer, a notebook computer, a vehicle-mounted device, a wearable device, and the like. For convenience of description, the electronic device 100 is defined with reference to a first viewing angle, a width direction of the electronic device 100 is defined as an X-axis direction, a length direction of the electronic device 100 is defined as a Y-axis direction, and a thickness direction of the electronic device 100 is defined as a Z-axis direction.
Referring to fig. 2, a lens antenna array 10 is provided. The lens antenna array 10 includes a plurality of antenna lenses 1 and a plurality of radiators 2 arranged in sequence. Referring to fig. 3 and 4, the antenna lens 1 includes a first metal plate 11, a dielectric lens 12 and a second metal plate 13 stacked in sequence. The dielectric lens 12 has an arc surface 121 disposed between the first metal plate 11 and the second metal plate 13, and a rectangular surface 122 disposed opposite to the arc surface 121. Each radiator 2 is disposed on the rectangular surface 122 of one of the dielectric lenses 12. At least one of the radiators 2 is offset with respect to the focal position 120 of the dielectric lens 12. When the electromagnetic wave signal radiated by the radiator 2 is radiated from the arc surface 121 after being conducted by the antenna lens 1, the beam direction of the electromagnetic wave signal changes as the at least one radiator 2 is shifted from the focal position 120 of the dielectric lens 12. Referring to fig. 3, specifically, the focal point position 120 of the dielectric lens 12 is the focal point of the semicircular portion 125 of the dielectric lens 12. In other words, when the radiator 2 is located at the focal position 120 of the dielectric lens 12, the beam of the electromagnetic wave signal radiated by the radiator 2 is directed as a reference direction. The reference direction is parallel to the central axis of the antenna lens 1. When the radiator 2 is shifted from the focal position 120 of the dielectric lens 12, the beam of the electromagnetic wave signal radiated by the radiator 2 is directed away from the reference direction. The greater the distance by which the radiator 2 is displaced from the focal position 120 of the dielectric lens 12, the greater the magnitude by which the beam directivity of the electromagnetic wave signal deviates from the reference direction. It can be understood that the electromagnetic wave signal may be a millimeter wave signal, so that the millimeter wave antenna is better applied to the electronic device, and the communication capability of the electronic device is improved.
By setting the offset of the focal position 120 of the radiator 2 in the lens antenna array 10 relative to the dielectric lens 12, the beam direction of the electromagnetic wave signal generated by the radiator 2 after being conducted by the antenna lens 1 deviates from the central axis of the antenna lens 1, so that the beam direction of the electromagnetic wave signal can be adjusted according to the position of the radiator 2 relative to the focal point of the dielectric lens 12, and further the lens antenna array 10 with adjustable beam direction is formed, so as to implement beam scanning.
Specifically, referring to fig. 2, the lens antenna array 10 includes a plurality of lens antenna units 14. The plurality of lens antenna units 14 are arranged in a linear array, a two-dimensional array, or a three-dimensional array. In this embodiment, a plurality of lens antenna units 14 arranged in a linear array will be described as an example. The lens antenna unit 14 includes an antenna lens 1 and a radiator 2. The antenna lens 1 includes a first metal plate 11, a dielectric lens 12, and a second metal plate 13, which are stacked in this order. The dielectric lens 12 is made of a material with low loss, a proper dielectric constant, and no interference with the electric field of the electromagnetic wave, such as a ceramic material or a polymer material. The polymer material can be selected from materials with excellent chemical stability, corrosion resistance and long service life, such as polytetrafluoroethylene, epoxy resin and the like.
Referring to fig. 4, the dielectric lens 12 has a first surface 123 and a second surface 124 opposite to each other. The first metal plate 11 and the second metal plate 13 are fixed to the first surface 123 and the second surface 124 of the dielectric lens 12, respectively. The first metal plate 11 and the second metal plate 13 have the same shape as the first surface 123 and the second surface 124, respectively. The first metal plate 11 and the second metal plate 13 form a parallel metal plate waveguide for guiding the electromagnetic wave signal radiated by the radiator 2 to propagate in the dielectric lens 12 between the first metal plate 11 and the second metal plate 13. The first metal plate 11 and the second metal plate 13 are made of a material having a good conductivity, including, but not limited to, gold, silver, copper, and the like. The first metal plate 11 and the second metal plate 13 also function to protect the dielectric lens 12. In other embodiments, the first metal plate 11 and the second metal plate 13 may be replaced with a metal thin film to reduce the thickness and weight of the lens antenna unit 14.
Referring to fig. 3, the dielectric lens 12 includes a semicircular portion 125 and a rectangular portion 126 connected to each other. The semicircular portion 125 has a semi-cylindrical shape. The rectangular portion 126 has a square block shape. For convenience of description, the lens antenna array 10 is illustrated as being installed in an electronic device in one possible manner. The axial direction of the semicircular portion 125 (the thickness direction of the semicircular portion 125) is defined as the Z-axis direction, the direction in which the diameter side of the semicircular portion 125 is located is defined as the Y-axis direction, and the direction in which the diameter side perpendicular to the semicircular portion 125 is located is defined as the X-axis direction. The semicircular portion 125 and the rectangular portion 126 are connected in the X-axis direction. The rectangular face of the semicircular portion 125 is coplanar with one side of the rectangular portion 126. For example, the semicircular portion 125 and the rectangular portion 126 are integrally formed. The semicircular portion 125 has the same diameter and size as one long side of the rectangular portion 126 when viewed from above. The thickness (dimension in the Z-axis direction) of the semicircular portion 125 is the same as the thickness of the rectangular portion 126.
The antenna lens 1 is a semi-cylindrical lens, and compared with a spherical lens, the lens has a smaller volume, is easy to integrate into an electronic device 100 such as a mobile phone, and the antenna lens 1 is simple to process and low in cost, and the rectangular surface 122 of the antenna lens 1 can be integrated with a planar circuit, so that the radiator 2 is arranged on the antenna lens 1.
For example, the arc-shaped surface 121 is an arc-shaped side surface of the semicircular portion 125. The arc-shaped surface 121 connects the first surface 123 and the second surface 124. The arc-shaped surface 121 is a semi-cylindrical surface. The rectangular surface 122 is provided on the rectangular portion 126.
The sizes of the semicircular portion 125 and the rectangular portion 126 of the antenna lens 1 are not limited, and only when the radiator 2 is disposed at the focal position 120 of the dielectric lens 12, the electromagnetic wave signal radiated by the radiator 2 can be efficiently emitted through the antenna lens 1, and the size of the antenna lens 1 is reduced as much as possible, so that the space occupied in the electronic device 100 is reduced, and the miniaturization of the electronic device 100 is facilitated. In addition, by adjusting the diameter of the semicircular part 125 of the antenna lens 1 and the focal length of the antenna lens 1, lens antenna units 14 with different gains and sizes can be conveniently designed, so that the size of the lens antenna array 10 can be reduced as much as possible, the space occupied in the electronic device 100 is reduced, and the miniaturization of the electronic device 100 is facilitated.
For example, the length of the rectangular portion 126 in the X-axis direction may be the focal length of the semicircular portion 125. As another example, the length of the rectangular portion 126 in the X-axis direction may be less than the focal length of the semicircular portion 125.
It can be understood that the semicircular part 125 of the antenna lens 1 can be replaced by a semi-elliptic cylinder, a semi-elliptic cylinder lens antenna can be designed, the gain and the focal length of the lens antenna can be optimized by adjusting the short axis and the long axis of the semi-elliptic cylinder, the design freedom is larger, and the antenna is convenient to apply to different mobile phone models.
When the radiator 2 is located on the rectangular surface 122, the electromagnetic wave signal radiated by the radiator 2 enters the antenna lens 1 through the rectangular surface 122, and is emitted through the arc-shaped surface 121 after being conducted in the antenna lens 1. During the emission of the electromagnetic wave signal, the electromagnetic wave signal is refracted on the arc-shaped surface 121 to change the propagation direction of the electromagnetic wave signal. According to the law of refraction, since the refractive index of the antenna lens 1 is different from that of air, the angle of refraction of the electromagnetic wave signal is smaller than the angle of incidence, so that the radiation range of the electromagnetic wave signal after being emitted from the arc-shaped surface 121 is reduced, and a beam with more definite directivity is formed. In other words, the antenna lens 1 focuses the electromagnetic wave signals on the X-Y plane, so that the energy of the electromagnetic wave signals is concentrated to form a beam pointing clearly, thereby increasing the gain of the electromagnetic wave signals.
It should be noted that, in the process of receiving the electromagnetic wave signal by the radiator 2, the electromagnetic wave signal in the space can be converged on the radiator 2 through the arc-shaped surface 121, and since the area of the arc-shaped surface 121 is larger than that of the radiator 2, the antenna lens 1 can receive more electromagnetic wave signals in the space and converge the electromagnetic wave signals to the radiator 2.
For example, referring to fig. 3 and 4, when the radiator 2 is located at the focal point position 120 of the dielectric lens 12, the propagation direction of the electromagnetic wave signal radiated by the radiator 2 after being refracted on the arc-shaped surface 121 becomes a planar beam parallel to the X-axis direction and radiates from the arc-shaped surface 121, so as to increase the directivity of the electromagnetic wave signal radiated by the radiator 2 and improve the gain of the electromagnetic wave signal radiated by the radiator 2. The pattern of such a lens antenna unit 14 is a narrow beam in the X-Y plane (see the dotted line portion of the ellipse in fig. 3) and a wide beam in the X-Z plane (see the dotted line portion of the ellipse in fig. 4). A narrow beam means that the coverage of the beam is narrow, and a wide beam means that the coverage of the beam is wide.
For example, referring to fig. 5, when the radiator 2 deviates from the focal position 120 of the dielectric lens 12, the electromagnetic wave signal radiated by the radiator 2 is refracted on the arc surface 121 to form a beam having an angle with the X-axis direction. The larger the distance of the radiator 2 from the focal position 120 of the dielectric lens 12, the larger the angle formed by the beam direction radiated by the radiator 2 and the X-axis direction. A central axis 127 of the dielectric lens 12 is defined parallel to the X-axis direction, and the dielectric lens 12 is symmetrical about the central axis 127. The focal position 120 of the dielectric lens 12 is located on the central axis 127, and when the radiator 2 is located on one side of the central axis 127, the beam radiated by the radiator 2 is directed to the other side of the central axis 127.
It should be noted that, the above description describes that the beam direction of the electromagnetic wave radiated by the radiator 2 changes with the deviation of the radiator 2 from the focal position 120 of the dielectric lens 12, and those skilled in the art can understand that the beam direction of the electromagnetic wave signal received by the radiator 2 is the same as the beam direction of the electromagnetic wave signal emitted by the radiator 2, so that the direction of the electromagnetic wave signal received by the radiator 2 also changes with the deviation of the radiator 2 from the focal position 120 of the dielectric lens 12.
Further, referring to fig. 6, when the radiator 2 is shifted from the focal position 120 of the dielectric lens 12, the rectangular surface 122 is located between the focal point of the dielectric lens 12 and the semicircular portion 125.
Specifically, referring to fig. 5 and fig. 6, when the partial focusing lens antenna is used, the rectangular surface 122 of the antenna lens 1 may be located between the focal point 120 of the dielectric lens 12 and the semicircular portion 125, so that the second radiator 412 is close to the arc surface 121. When the offset distance in the Y direction between the radiator 2 and the focal position 120 of the dielectric lens 12 is equal, the beam offset angle b2 at which the radiator 2 approaches the arc-shaped surface 121 is larger than the beam offset angle b1 at which the radiator 2 moves away from the arc-shaped surface 121, so that the offset distance of the radiator 2 in the Y-axis direction is small, but the direction of the electromagnetic wave beam emitted from the arc-shaped surface 121 is greatly offset with respect to the X-axis direction, and therefore, the offset angle of the beam can be adjusted greatly by adjusting the position of the radiator 2 in the Y-axis direction and the position in the X-axis direction.
Referring to fig. 7 to 11, the offset displacement of each radiator 2 with respect to the focal position 120 of the dielectric lens 12 is different, so that the electromagnetic wave signals radiated by the radiators 2 are directed differently by the beams emitted after being conducted by the antenna lens 1.
By controlling the positions of the radiators 2 of the antenna lenses 1 to be different, the beam directions radiated by each lens antenna unit 14 are different, and the beam directions radiated by each lens antenna unit 14 are superposed to form a beam scanning range radiated by the lens antenna array 10, so that the beam scanning range radiated by the lens antenna array 10 is larger, and the antenna performance of the electronic device 100 is improved.
Specifically, from the center of the lens antenna array 10 to both ends of the lens antenna array 10, the offset displacement of the radiator 2 on each dielectric lens 12 relative to the focal position 120 of the dielectric lens 12 gradually increases, and the offset directions of the radiators 2 on both sides of the antenna lens 1 located at the center of the lens antenna array 10 relative to the focal position of the dielectric lens 12 are opposite.
For example, the offset of the radiator of the antenna lens 1 located at the center of the lens antenna array 10 relative to the focal position of the dielectric lens 12 is zero, the offset of the radiators of the antenna lenses 1 located at both sides of the lens antenna array 10 relative to the focal position of the dielectric lens 12 gradually increases, and the offset directions of the two sides are opposite.
The antenna lenses 1 are arranged in the direction (Y-axis direction) along the diameter of the semicircular portion 125. The beam scan range of the lenticular antenna array 10 in the X-Y plane is increased. It is understood that the plurality of antenna lenses 1 may also be arranged along the axial direction (along the Z-axis direction) of the semicircular portion 125.
Referring to fig. 7, the lens antenna array 10 further includes a switch 15 and an rf transceiver chip 16. The switch 15 is electrically connected between the rf transceiver chip 16 and the radiators 2. The radio frequency transceiver chip 16 is configured to control the switch 15 to sequentially turn on the plurality of radiators 2, and provide an excitation signal for the corresponding radiator 2, so as to implement beam scanning.
Specifically, the radio frequency transceiver chip 16 is used for generating an excitation signal. The switch 15 is configured to control on/off of a path between the radio frequency transceiver chip 16 and the plurality of radiators 2, so that an excitation signal generated by the radio frequency transceiver chip 16 is transmitted to the corresponding radiator 2, so as to excite the corresponding radiator 2 to radiate electromagnetic waves into space. For example, the number of the lens antenna units 14 is 5, and the position of each radiator 2 relative to the focal point of the antenna lens 1 is different. By switching the switch 15, the radio frequency transceiver chip 16 and the first radiator 2 are turned on, so that the first lens antenna unit 14 radiates a beam along a first direction; or, the radio frequency transceiver chip 16 and the second radiator 2 are turned on, so that the second lens antenna unit 14 radiates a beam along a second direction; or, the radio frequency transceiver chip 16 and the third radiator 2 are turned on, so that the third lens antenna unit 14 radiates a beam along a third direction; or, the radio frequency transceiver chip 16 and the fourth radiator 2 are turned on, so that the fourth lens antenna unit 14 radiates a beam along a fourth direction; alternatively, the radio frequency transceiver chip 16 and the fifth radiator 2 are turned on, so that the fifth lens antenna unit 14 radiates a beam along a fifth direction. The first direction, the second direction, the third direction, the fourth direction and the fifth direction are all different, so that the lens antenna array 10 can realize beam scanning of the five directions. The beam scanning of the lens antenna array 10 is realized by reasonably designing the number of the lens antenna units 14.
The switch 15 is switched to adjust the direction of the beam radiated by the lens antenna array 10, so that the lens antenna array 10 can radiate the electromagnetic wave beam in a directional manner, the direction of the beam radiated by the lens antenna array 10 is adjusted along with the movement and rotation of a user, the lens antenna array 10 can scan the beam through the switch 15, good signal transmission is kept between the lens antenna array 10 and a receiving device, the communication quality of the electronic device 100 is improved, a shifter and an attenuator are not needed, and the cost is greatly reduced.
Referring to fig. 7, the plurality of dielectric lenses 12 includes a first dielectric lens 17. The plurality of radiators 2 includes a first radiator 312. The first radiator 312 is disposed at the focal point 171 of the first dielectric lens 17.
Specifically, the lens antenna array 10 includes a first lens antenna unit 31. The first lens antenna unit 31 includes a first antenna lens 311 and a first radiator 312. The first antenna lens 311 includes a first dielectric lens 17. The first radiator 312 is fixed at the center of the rectangular surface 122 of the rectangular portion 126, and the center of the rectangular surface 122 of the rectangular portion 126 is the focal point 171 of the first dielectric lens 17, so that the electromagnetic wave signals radiated into the space by the radiator 2 are emitted from the arc-shaped surface 121 as much as possible, thereby improving the aperture efficiency of the first antenna lens 311. The first lens antenna unit 31 is also referred to as a focus-type lens antenna.
When the switch 15 turns on the rf transceiver chip 16 and the first radiator 312, the electromagnetic wave signal radiated by the first radiator 312 is converted by the first antenna lens 311 and then emits an electromagnetic wave beam pointing in the X-axis direction from the arc surface 121.
Referring to fig. 8, the plurality of dielectric lenses 12 includes a second dielectric lens 18. The plurality of radiators 2 further includes a second radiator 412. The second radiator 412 is offset from the focal point position 181 of the second dielectric lens 18, and the distance from the center of the second radiator 412 to the focal point 171 of the first dielectric lens 17 is smaller than the distance from the focal point of the second dielectric lens 412 to the focal point 171 of the first dielectric lens 17.
Specifically, the lens antenna array 10 includes the second lens antenna unit 41. The second lens antenna unit 41 includes a second antenna lens 411 and a second radiator 412. The second antenna lens 411 includes a second dielectric lens 18. It is understood that the second antenna lens 411 may have the same structure as the first antenna lens 311. The second radiator 412 is fixed on the rectangular surface 122 of the second antenna lens 411, and the second radiator 412 is located between the central position of the rectangular surface 122 of the second antenna lens 411 and the first radiator 312. The center position of the rectangular surface 122 of the second antenna lens 411 is the focal position 181 of the second dielectric lens 18. The second radiator 412 is spaced apart from the focal position 181 of the second dielectric lens 18 by a first distance L1.
When the switch 15 turns on the rf transceiver chip 16 and the second radiator 412, the beam emitted from the arc surface 121 after the electromagnetic wave signal radiated by the second radiator 412 is refracted by the second antenna lens 411 points to be gradually far away from the central axis 127 of the first lens antenna unit 31, and an included angle between the beam point radiated by the second radiator 412 and the X-axis direction is a first angle a 1.
The second lens antenna unit 41 is also referred to as a partial focal lens antenna. The phase center of the radiator 2 of the partial focus lens antenna is offset from the central axis 127 of the lens focus by a first distance L1. By adjusting the first distance L1, the direction of the radiation beam of the off-focus lens antenna can be changed, the angle between the direction of the radiation beam of the off-focus lens antenna and the central axis 127 of the off-focus lens antenna is the first angle a1, and the larger the first distance L1 is, the larger the first angle a1 is.
It is understood that the first lens antenna unit 31 and the second lens antenna unit 41 are arranged in the Y-axis direction.
By disposing the second radiator 412 deviating from the focus of the second antenna lens 411 and the first radiator 312 disposed at the focus of the first antenna lens 311, the lens antenna array 10 can radiate the beam pointing along the X-axis direction and the electromagnetic wave signal pointing with the beam having the first angle a1 as the included angle between the beam pointing direction and the X-axis direction, and the lens antenna array 10 can radiate the electromagnetic wave signals with different pointing directions without rotating the lens antenna array 10, so that the pointing direction of the electromagnetic wave signal radiated by the lens antenna array 10 can be adjusted, and beam scanning is implemented, so that the direction change of the electronic device 100 can still have better communication quality.
Referring to fig. 8 and 9, the number of the second radiators 412 is at least two. At least two second radiators 412 are respectively disposed on two opposite sides of the first radiator 312.
Specifically, the number of the second lens antenna units 41 is two. The two second lens antenna units 41 are respectively located at two opposite sides of the first lens antenna unit 31 and are symmetrically distributed about the first lens antenna unit 31. The first lens antenna unit 31 and the two second lens antenna units 41 are arranged in the Y-axis direction. The second radiators 412 of the two second lens antenna units 41 are close to the first radiator 312, so that the beam orientations of the two second lens antenna units 41 are both deflected outwards relative to the X-axis direction, and the beam orientations of the two second lens antenna units 41 are substantially V-shaped.
By arranging the two second radiators 412 symmetrically deviated from the focal points of the second antenna lens 411 and the first radiator 312 disposed at the focal point of the first antenna lens 311, the direction of the beam of the electromagnetic wave radiated by the lens antenna array 10 can be the X-axis direction and the two directions shifted by the first angle a1 with respect to the X-axis direction, which not only increases the gain of the electromagnetic wave radiated by the lens antenna array 10, but also enables the lens antenna array 10 to radiate electromagnetic wave signals with different directions without rotating the lens antenna array 10, so that the direction of the electromagnetic wave signals radiated by the lens antenna array 10 can be adjusted, thereby realizing beam scanning, and enabling the direction change of the electronic device 100 to have better communication quality.
It is understood that the two radiators 2 disposed on opposite sides of the first radiator 312 may not be symmetrically disposed with respect to the first radiator 312, i.e., the two radiators 2 may be offset by different distances with respect to the focal point of the dielectric lens 12, so as to meet specific design requirements. In addition, the sizes of the antenna lenses 1 arranged in an array may be different, so as to improve the design freedom of the lens antenna array 10 and adapt to different application scenarios.
Referring to fig. 10, a plurality of the dielectric lenses 12 further include a third dielectric lens 19. The plurality of radiators 2 further includes a third radiator 512. The third radiator 512 is offset from the focal position 191 of the third dielectric lens 19, and the distance from the center of the third radiator 512 to the focal point 171 of the first dielectric lens 17 is less than the distance from the focal point of the third dielectric lens 19 to the focal point 171 of the first dielectric lens 17. The offset L2 of the third radiator 512 with respect to the focal position 191 of the third dielectric lens 19 is greater than the offset L1 of the second radiator 412 with respect to the focal position 191 of the third dielectric lens 19.
Specifically, the lens antenna array 10 includes a third lens antenna unit 51. The third lens antenna unit 51 includes a third antenna lens 511 and a third radiator 512. The third antenna lens 511 includes a third dielectric lens 19. It is understood that the third antenna lens 511 may have the same structure as the first antenna lens 311. The third radiator 512 is fixed on the rectangular surface 122 of the third antenna lens 511, and the third radiator 512 is located between the central position of the rectangular surface 122 of the third antenna lens 511 and the second radiator 412. The center position of the rectangular surface 122 of the third antenna lens 511 is the focal position 191 of the third dielectric lens 19. The third radiator 512 is spaced apart from the focal position 191 of the third dielectric lens 19 by a second distance L2. The second distance L2 is greater than the first distance L1.
When the switch 15 turns on the rf transceiver chip 16 and the third radiator 512, the beam emitted from the arc surface 121 after the electromagnetic wave signal radiated by the third radiator 512 is refracted by the third antenna lens 511 points to gradually get away from the first lens antenna unit 31, and an included angle between the beam point radiated by the third radiator 512 and the X-axis direction is a second angle. The second angle is greater than the first angle a 1.
It is understood that the first lens antenna unit 31, the second lens antenna unit 41, and the third lens antenna unit 51 are arranged in the Y-axis direction.
By arranging the first radiator 312 at the focal point of the first antenna lens 311, the second radiator 412 being offset by a relatively small distance from the focal point of the second antenna lens 411 and the third radiator 512 being offset by a relatively large distance from the focal point of the third antenna lens 511, so that the beam directions of the lens antenna array 10 radiating the electromagnetic waves can be along the X-axis direction, two directions deviating from the first angle a1 with respect to the X-axis direction, and two directions deviating from the second angle with respect to the X-axis direction, which not only increases the gain of the lens antenna array 10 radiating the electromagnetic waves, but also enables the lens antenna array 10 to radiate electromagnetic wave signals with different directions without rotating the lens antenna array 10, the direction of the electromagnetic wave signal radiated by the lens antenna array 10 can be adjusted, and beam scanning is realized, so that the direction change of the electronic device 100 can still have better communication quality.
Further, by providing the third lens antenna unit 51, the range of directivity of the lens antenna array 10 radiating the electromagnetic wave signal is increased.
It is understood that the distance between the third radiator 512 and the arc-shaped surface 121 can also be shortened, and will not be described herein.
Referring to fig. 10 and 11, the number of the third radiators 512 is at least two. The at least two third radiators 512 are respectively disposed on two opposite sides of the first radiator 312.
Specifically, the number of the third lens antenna units 51 is two. The two third lens antenna units 51 are respectively located at two opposite sides of the two second lens antenna units 41 and are symmetrically distributed with respect to the first lens antenna unit 31. The first lens antenna unit 31, the two second lens antenna units 41, and the two third lens antenna units 51 are arranged in the Y-axis direction. The third radiators 512 of the two third lens antenna units 51 are close to the second radiator 412, so that the beam orientations of the two third lens antenna units 51 are both deflected outwards relative to the X-axis direction, and the beam orientations of the two third lens antenna units 51 are substantially V-shaped.
The first radiator 312 is disposed at the focus of the first antenna lens 311, the radiators 2 on two opposite sides of the first radiator 312 are all deviated from the focus of the dielectric lens 12, and the distance that the radiators 2 are deviated from the focus of the dielectric lens 12 is gradually increased, so that the direction of the electromagnetic wave beam radiated by the lens antenna array 10 can be a plurality of different directions, not only the gain of the electromagnetic wave radiated by the lens antenna array 10 is increased, but also the lens antenna array 10 can radiate electromagnetic wave signals with different directions without rotating the lens antenna array 10, so that the direction of the electromagnetic wave signal radiated by the lens antenna array 10 can be adjusted, beam scanning is realized, and the direction change of the electronic device 100 can still have better communication quality.
It is understood that the radiators 2 disposed on opposite sides of the first radiator 312 may not be symmetrically disposed with respect to the first radiator 312, i.e., the offset distances of the radiators 2 with respect to the focal point of the dielectric lens 12 may be different to suit specific design requirements.
For example, when the lens antenna array 10 is applied to the electronic device 100, when the beam direction of the first lens antenna unit 31 in the lens antenna array 10 is directly opposite to the receiving device, the switch 15 controls the rf transceiver chip 16 and the first radiator 312 to be conducted, so that the first lens antenna unit 31 radiates the electromagnetic wave signal toward the receiving device, and at this time, the gain of the electromagnetic wave signal radiated by the first lens antenna unit 31 is strong, the radiation directivity is strong, and the energy of the electromagnetic wave signal is concentrated, so that the communication quality between the electronic device 100 and the receiving device is better; when the user turns to the second lens antenna unit 41 (any one of the two second lens antenna units 41) with the electronic device 100, the switch 15 controls the rf transceiver chip 16 and the second radiator 412 (the second lens antenna unit 41 facing the receiving device corresponding to the beam direction) to be conducted, so that the second lens antenna unit 41 radiates the electromagnetic wave signal toward the receiving device, and at this time, the gain of the electromagnetic wave signal radiated by the second lens antenna unit 41 is strong, the radiation directivity is strong, and the energy of the electromagnetic wave signal is concentrated, so that the communication quality between the electronic device 100 and the receiving device is good. Accordingly, when the user carries the electronic device 100 and turns to the beam of the third lens antenna unit 51 (any one of the two third lens antenna units 51) directed to face the receiving device, the switch 15 controls the rf transceiver chip 16 to be conducted with the third radiator 512 (corresponding to the beam directed to the third lens antenna unit 51 facing the receiving device). By the above manner, the electronic device 100 can transmit or receive the electromagnetic wave signal with the highest efficiency when the user carries the electronic device 100 to turn freely, so that the communication quality of the electronic device 100 is kept good.
It is understood that the wave band of the electromagnetic wave signal includes, but is not limited to, a millimeter wave band, a sub-millimeter wave band, or a terahertz wave band.
It is understood that the number of the lens antenna units 14 is not limited in the present application, and the beam pointing range of each lens antenna unit 14 is different by providing a plurality of lens antenna units 14. The beam pointing ranges of the different lens antenna elements 14 may overlap. By reasonably designing the number of the lens antenna units 14, the beam pointing ranges of different lens antenna units 14 are overlapped to cover the receiving and sending of the electromagnetic wave signals on the side where the arc-shaped surface 121 of the lens antenna array 10 is located, for example, the covering angle of the electromagnetic wave signals of the lens antenna array 10 on the first surface 123 reaches 180 degrees, and the size of the lens antenna array 10 can be reduced as much as possible.
It is understood that the size of the lens antenna 1 is not limited in the present application, and specifically, the size of the lens antenna 1 may gradually increase from the middle of the lens antenna array 10 to the two sides, including but not limited to gradually increase or gradually decrease. In addition, the radiators 2 in the lens antenna array 10 may not be in the same plane, so as to improve the uniformity of the beam, thereby meeting the requirements of different application scenarios.
Further, when the lens antenna array 10 is applied to the electronic device 100, the electronic device 100 is a mobile phone, two side surfaces of the electronic device 100 may be respectively provided with the lens antenna arrays 10, and the two lens antenna arrays 10 are disposed in a reverse manner, so that the coverage angles of the two lens antenna arrays 10 on the first surface 123 are overlapped to reach 360 degrees.
It can be understood that, when the electronic device 100 is a mobile phone, the four side surfaces of the electronic device 100 may be provided with the lens antenna array 10, so that the coverage angles of the four lens antenna arrays 10 on the first surface 123 are overlapped to reach 360 degrees.
It should be understood that the radiator 2 of the lens antenna array 10 is not limited in particular, for example, the radiator 2 includes but is not limited to a planar antenna, such as a microstrip antenna, a slot antenna, etc. In addition, the radiator 2 can also select antennas with different polarization directions, so that the horizontal polarization, the vertical polarization and the dual-polarization lens antenna unit 14 can be conveniently realized.
The one-dimensional lens antenna array 10 can be formed by arranging the plurality of lens antenna units 14 in a linear shape, the array can be formed by a plurality of focusing type and focusing type lens antennas, the beam of the lens antenna array 10 can point to different directions by designing the offset of the radiator 2 of each focusing type lens antenna, and the beam scanning of the lens antenna array 10 can be realized by switching and exciting different lens antenna units 14.
Referring to fig. 12, the present application further provides an electronic device 100 including the lens antenna array 10 described in any one of the above embodiments.
Referring to fig. 12, the electronic device 100 includes a housing 20 and a circuit board 30 disposed in the housing 20. The antenna lens 1 of the lens antenna array 10 is disposed on the housing 20. The switch 15 and the rf transceiver chip 16 of the lens antenna array 10 are disposed on the circuit board 30. It is understood that the portion of the housing 20 facing the lens antenna array 10 is made of non-shielding material. For example, the substrate of the housing 20 is plastic, glass, ceramic, etc.
Specifically, referring to fig. 12, the electronic device 100 is illustrated as a mobile phone, and the housing 20 includes a middle frame 201 and a battery cover 202. The middle frame 201 surrounds the four sides of the mobile phone. The circuit board 30 is fixed between the housing 20 and the display screen. The number of the lens antenna arrays 10 may be two, and the two lens antenna arrays 10 are oppositely arranged. The antenna lenses 1 of the lens antenna array 10 are fixed between the side frame of the middle frame 201 and the circuit board 30, and the arc-shaped surface 121 of the lens antenna array 10 faces the side frame of the middle frame 201. The rectangular face 122 of the lens antenna array 10 faces the circuit board 30. And the lenticular antenna array 10 extends along the length of the electronic device 100.
The switch 15 is electrically connected to the plurality of radiators 2 of the lens antenna array 10 through a coaxial line or a microstrip line. The switch 15 and the rf transceiver chip 16 of the lens antenna array 10 are disposed on the circuit board 30 near the lens antenna array 10 to reduce the length of the coaxial line or the microstrip line, reduce the transmission path of the excitation signal, and further reduce the interference of the external signal to the excitation signal.
Referring to fig. 12, the electronic device 100 further includes a detection chip 40. The detection chip 40 is configured to detect orientation information of a receiving device communicating with the electronic device 100, and send the orientation information to the radio frequency transceiver chip 16, so that the radio frequency transceiver chip 16 controls the switch 15 to turn on the radiator 2 corresponding to the orientation information according to the orientation information, and provides an excitation signal for the corresponding radiator 2.
In other words, the detecting chip 40 can track the orientation information of the receiving device (e.g., a base station) and transmit the orientation information to the rf transceiver chip 16, the rf transceiver chip 16 selects the radiator 2 corresponding to the orientation information, the beam of the electromagnetic wave signal radiated by the radiator 2 after being refracted by the antenna lens 1 is directed to the receiving device, and the rf transceiver chip 16 controls the switch 15 to turn on the radiator 2 corresponding to the orientation information and provide an excitation signal for the corresponding radiator 2. So that the beam radiated by the lens antenna array 10 is always kept at the optimum transmission position.
A plurality of focusing lens antennas and focusing lens antennas with different beam directions are arranged in a linear mode to form a one-dimensional lens antenna array 10, and beam scanning is achieved by switching and exciting different lens antenna units 14. The lens antenna array 10 is integrated on the side or back of the mobile phone to realize high-efficiency, high-gain and low-cost beam scanning of the mobile phone antenna signal.
Referring to fig. 13, the present application further provides an electronic device 600 including two lens antenna arrays 61 disposed oppositely. The lens antenna array 61 includes a plurality of antenna lenses 62 and a plurality of millimeter wave radiators 63 which are sequentially arranged. The structure of the antenna lens 62 is the same as that of the antenna lens 1 of the electronic device 100. The antenna lens 62 includes a first metal plate 11, a dielectric lens 12, and a second metal plate 13 stacked in this order. The dielectric lens 12 has an arc surface 121 disposed between the first metal plate 11 and the second metal plate 13, and a rectangular surface 122 disposed opposite to the arc surface 121. Each of the millimeter-wave radiators 63 is provided on the rectangular surface 122 of one of the dielectric lenses 12. At least one of the millimeter-wave radiators 63 is offset with respect to the focal position 120 of the dielectric lens 12. When the millimeter wave signal emitted by the millimeter wave radiator 63 is radiated from the arc surface 121 after being conducted by the antenna lens 62, the beam directivity of the millimeter wave signal changes with the deviation of the at least one millimeter wave radiator 63 with respect to the focal position 120 of the dielectric lens 12.
By setting the offset of the millimeter wave radiator 63 in the lens antenna array 61 with respect to the focal position 120 of the antenna lens 62, the beam direction of the millimeter wave signal generated by the millimeter wave radiator 63 after being conducted by the antenna lens 1 deviates from the central axis 127 of the antenna lens 62, so that the beam direction of the millimeter wave signal can be adjusted according to the position of the millimeter wave radiator 63 with respect to the focal point of the antenna lens 62, and further, the lens antenna array 61 with adjustable beam direction is formed, so as to implement beam scanning.
Specifically, each of the millimeter wave radiators 63 has different offset displacement with respect to the focal position of the dielectric lens 12, so that the electromagnetic wave signals radiated by the millimeter wave radiators 63 emit beams having different directions after being conducted by the antenna lens 62.
Specifically, from the center of the lens antenna array 61 to the two ends of the lens antenna array 61, the deviation displacement of the millimeter wave radiator 63 on each dielectric lens 12 relative to the focal position of the dielectric lens 12 gradually increases, and the deviation directions of the millimeter wave radiators 63 on the two sides of the antenna lens 62 at the center of the lens antenna array 61 relative to the focal position of the dielectric lens 12 are opposite.
For example, the offset of the millimeter wave radiator 63 of the antenna lens 62 located at the center of the lens antenna array 61 with respect to the focal position of the dielectric lens 12 is zero, and the offset of the millimeter wave radiators 63 of the antenna lenses 62 located at both sides of the lens antenna array 61 with respect to the focal position of the dielectric lens 12 gradually increases, and the directions of the two offsets are opposite.
Referring to fig. 3, 4 and 13, the dielectric lens 12 includes a semicircular portion 125 and a rectangular portion 126 connected to each other. The arc-shaped surface 121 is disposed on the semicircular portion 125, and the rectangular surface 122 is disposed on the rectangular portion 126. The plurality of antenna lenses 62 are arranged in a direction along the diameter of the semicircular portion 125.
Referring to fig. 7 and 13, the plurality of dielectric lenses 12 includes a first dielectric lens 17. The plurality of millimeter wave radiators 63 include a first millimeter wave radiator 631. The first millimeter-wave radiator 631 is disposed at the focal position 171 of the first dielectric lens 17. The first millimeter-wave radiator 631 and the one antenna lens 62 form a focusing-type millimeter-wave lens antenna.
Referring to fig. 8, 9 and 13, the plurality of dielectric lenses 12 further includes a second dielectric lens 18. The plurality of millimeter wave radiators 63 further include two second millimeter wave radiators 632. The two second millimeter wave radiators 632 are respectively disposed at two opposite sides of the first millimeter wave radiator 631. Each of the second millimeter wave radiators 632 is located between the focal position 181 of the second dielectric lens 18 and the first millimeter wave radiator 631. The second millimeter-wave radiator 632 and the other antenna lens 62 form a focus-biased millimeter-wave lens antenna.
Referring to fig. 10, 11 and 13, the plurality of dielectric lenses 12 further includes a third dielectric lens 19. The plurality of millimeter wave radiators 63 further include two third millimeter wave radiators 633. The two third millimeter wave radiators 633 are respectively disposed on two opposite sides of the second millimeter wave radiator 632. The third millimeter wave radiators 633 are offset with respect to the focal position 191 of the third dielectric lens 19, and are close to between the second millimeter wave radiators 632. The amount of shift of the third millimeter wave radiator 633 with respect to the focal position 191 of the third dielectric lens 19 is larger than the amount of shift of the second millimeter wave radiator 632 with respect to the focal position 181 of the second dielectric lens 18. The third millimeter wave radiator 633 and the further antenna lens 62 form a defocused millimeter wave lens antenna.
Referring to fig. 13, the electronic device 600 further includes a circuit board 30, a detection chip 40 disposed on the circuit board 30, a switch 15, and a millimeter wave chip 64. The detection chip 40 is configured to detect orientation information of a receiving device, and send the orientation information to the millimeter wave chip 64. The changeover switch 15 is electrically connected between the millimeter wave chip 64 and the plurality of millimeter wave radiators 63. The millimeter wave chip 64 is configured to control the switch 15 to turn on the millimeter wave radiator 63 corresponding to the orientation information according to the orientation information, and provide an excitation signal for the corresponding millimeter wave radiator 63.
The focusing millimeter wave lens antennas are arranged in mirror symmetry relative to each other, so that the directions of the electromagnetic wave beams radiated by the lens antenna array 61 can be different, not only is the gain of the electromagnetic wave radiated by the lens antenna array 61 increased, but also the lens antenna array 61 can be rotated to enable the lens antenna array 61 to radiate electromagnetic wave signals with different directions, the directions of the electromagnetic wave signals radiated by the lens antenna array 61 can be adjusted, beam scanning is realized, and the direction change of the electronic device 600 still has good communication quality.
It is understood that the lens antenna array 61 in this embodiment is substantially the same as the lens antenna array 10 in any of the above embodiments, except that the radiator 2 of the lens antenna array 61 in this embodiment radiates millimeter wave signals. The rf transceiver chip 16 in this embodiment is an excitation signal for exciting a millimeter wave signal. In the present embodiment, reference may be made to the lens antenna array 10 for the structure of the lens antenna array 61, and details are not described herein.
Referring to fig. 13, the electronic device 600 further includes a middle frame 201. The two lens antenna arrays 61 are respectively fixed to the two long side frames of the middle frame 201, and the arc surfaces 121 of the two lens antenna arrays 61 face the inner surface of the middle frame 201.
By symmetrically arranging the two lens antenna arrays 61 on the two opposite sides of the electronic device 600, the space between the middle frame 201 and the circuit board 30 in the electronic device 600 can be effectively utilized, and the two lens antenna arrays 61 can perform omnidirectional high-gain beam scanning, thereby improving the communication performance of the electronic device 600.
While the foregoing is directed to embodiments of the present application, it will be appreciated by those skilled in the art that various changes and modifications may be made without departing from the principles of the application, and it is intended that such changes and modifications be covered by the scope of the application.
Claims (20)
1. A lenticular antenna array, comprising:
the antenna comprises a plurality of antenna lenses which are sequentially arranged, wherein each antenna lens comprises a first metal plate, a dielectric lens and a second metal plate which are sequentially stacked, and the dielectric lens is provided with an arc-shaped surface arranged between the first metal plate and the second metal plate and a rectangular surface which is opposite to the arc-shaped surface; and
the antenna comprises a dielectric lens, a plurality of radiators, a plurality of radiating bodies and a plurality of radiating bodies, wherein each radiating body is arranged on a rectangular surface of the dielectric lens, at least one radiating body is offset relative to the focus position of the dielectric lens, and when an electromagnetic wave signal radiated by the radiating bodies is transmitted by the antenna lens and then is emitted from the arc-shaped surface, the beam direction of the electromagnetic wave signal is changed along with the offset of the focus position of the at least one radiating body relative to the dielectric lens.
2. The lens antenna array as claimed in claim 1, wherein the offset displacement of each radiator with respect to the focal position of the dielectric lens is different, so that the electromagnetic wave signals radiated by the radiators are directed differently in the beam direction after being conducted by the antenna lens.
3. The lens antenna array of claim 2, wherein the offset displacement of the radiator on each dielectric lens from the center of the lens antenna array to the two ends of the lens antenna array is gradually increased, and the offset directions of the radiators on the two sides of the antenna lens at the center of the lens antenna array from the focal position of the dielectric lens are opposite.
4. The lens antenna array of claim 2, further comprising a switch and an rf transceiver chip, wherein the switch is electrically connected between the rf transceiver chip and the plurality of radiators; the radio frequency transceiver chip is used for controlling the change-over switch to sequentially conduct the plurality of radiating bodies and providing excitation signals for the corresponding radiating bodies so as to realize beam scanning.
5. The lens antenna array as claimed in any one of claims 1 to 3, wherein the plurality of dielectric lenses includes a first dielectric lens, and the plurality of radiators includes a first radiator, and the first radiator is disposed at a focal point of the first dielectric lens.
6. The lens antenna array of claim 5, wherein the plurality of dielectric lenses further comprises a second dielectric lens, the plurality of radiators further comprises a second radiator, the second radiator is offset from a focal point of the second dielectric lens, and a distance from a center of the second radiator to a focal point of the first dielectric lens is less than a distance from a focal point of the second dielectric lens to a focal point of the first dielectric lens.
7. The lens antenna array of claim 6, wherein the number of the second radiators is at least two, and at least two of the second radiators are respectively disposed on two opposite sides of the first radiator.
8. The lens antenna array of claim 7, wherein the plurality of dielectric lenses further comprises a third dielectric lens, the plurality of radiators further comprises a third radiator, the third radiator is offset from a focal point of the third dielectric lens, a distance from a center of the third radiator to a focal point of the first dielectric lens is less than a distance from a focal point of the third dielectric lens to a focal point of the first dielectric lens, and an offset of the third radiator is greater than an offset of the second radiator.
9. The lens antenna array of claim 8, wherein the number of the third radiators is at least two, and the at least two third radiators are respectively disposed on two opposite sides of the first radiator.
10. The lens antenna array of claim 1, wherein the dielectric lens comprises a semicircular portion and a rectangular portion connected to each other, the arc surface is disposed on the semicircular portion, the rectangular surface is disposed on the rectangular portion, and the plurality of antenna lenses are arranged along a direction of a diameter of the semicircular portion.
11. The lens antenna array of claim 10, wherein the rectangular face is located between the focal point of the dielectric lens and the semicircular portion when the at least one radiator is offset from the focal point of the dielectric lens.
12. The lens antenna array of claim 1, wherein a band of the electromagnetic wave signal includes a millimeter wave band, a sub-millimeter wave band, or a terahertz band.
13. An electronic device comprising a lenticular antenna array according to any one of claims 1 to 12.
14. The electronic device of claim 13, wherein the electronic device comprises a housing and a circuit board disposed in the housing, wherein the antenna lens of the lens antenna array is disposed on the housing, and the switch and the rf transceiver chip of the lens antenna array are disposed on the circuit board.
15. The electronic device according to claim 14, wherein the electronic device further includes a detection chip, and the detection chip is configured to detect orientation information of a receiving device communicating with the electronic device, and send the orientation information to the radio frequency transceiver chip, so that the radio frequency transceiver chip controls the switch to turn on a radiator corresponding to the orientation information according to the orientation information, and provides an excitation signal for the corresponding radiator.
16. An electronic device comprising two lens antenna arrays disposed opposite each other, the lens antenna arrays comprising:
the antenna comprises a plurality of antenna lenses which are sequentially arranged, wherein each antenna lens comprises a first metal plate, a dielectric lens and a second metal plate which are sequentially stacked, and the dielectric lens is provided with an arc-shaped surface arranged between the first metal plate and the second metal plate and a rectangular surface which is opposite to the arc-shaped surface; and
the millimeter wave radiating bodies are arranged on the rectangular surface of the dielectric lens, at least one millimeter wave radiating body is offset relative to the focal position of the dielectric lens, and when millimeter wave signals transmitted by the millimeter wave radiating bodies are transmitted from the arc-shaped surface after being conducted by the antenna lens, the beam direction of the millimeter wave signals changes along with the offset of the focal position of the at least one millimeter wave radiating body relative to the dielectric lens.
17. The electronic device according to claim 16, wherein each of the millimeter wave radiators is displaced differently from a position of the focal point of the dielectric lens, so that electromagnetic wave signals radiated by the plurality of millimeter wave radiators are directed differently from beams radiated after being conducted by the antenna lens.
18. The electronic device according to claim 17, wherein the offset displacement of the millimeter-wave radiator on each of the dielectric lenses from the center of the lens antenna array to both ends of the lens antenna array is gradually increased, and the offset directions of the millimeter-wave radiators on both sides of the antenna lens at the center of the lens antenna array with respect to the focal position of the dielectric lens are opposite.
19. The electronic device of claim 18, further comprising a circuit board, a detection chip disposed on the circuit board, a switch, and a millimeter wave chip, wherein the detection chip is configured to detect orientation information of a receiving device and send the orientation information to the millimeter wave chip; the switch is electrically connected between the millimeter wave chip and the plurality of millimeter wave radiators; the millimeter wave chip is used for controlling the change-over switch to conduct the millimeter wave radiator corresponding to the azimuth information according to the azimuth information and providing an excitation signal for the corresponding millimeter wave radiator.
20. The electronic device of claim 16, further comprising a middle frame, wherein two of the lens antenna arrays are fixed on the middle frame, and arc-shaped surfaces of the two lens antenna arrays face an inner surface of the middle frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529132.6A CN112103669A (en) | 2019-06-17 | 2019-06-17 | Lens antenna array and electronic equipment |
| PCT/CN2020/094666 WO2020253555A1 (en) | 2019-06-17 | 2020-06-05 | Lens antenna array and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910529132.6A CN112103669A (en) | 2019-06-17 | 2019-06-17 | Lens antenna array and electronic equipment |
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| CN112103669A true CN112103669A (en) | 2020-12-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114639969A (en) * | 2022-05-19 | 2022-06-17 | 西安海天天线科技股份有限公司 | 5G massive MIMO artificial dielectric lens antenna and artificial dielectric lens thereof |
| CN115036678A (en) * | 2022-06-30 | 2022-09-09 | Oppo广东移动通信有限公司 | Electronic device and antenna setting method |
| CN117691329A (en) * | 2024-02-02 | 2024-03-12 | 广州司南技术有限公司 | Cylindrical single-beam lens antenna system |
| CN118472634A (en) * | 2024-07-15 | 2024-08-09 | 常州星宇车灯股份有限公司 | Manufacturing method of vehicle-mounted planar parallel dual-lens radome |
| WO2024190198A1 (en) * | 2023-03-16 | 2024-09-19 | 株式会社村田製作所 | Microlens array antenna |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662076A (en) * | 2008-08-28 | 2010-03-03 | 阮树成 | Millimeter-wave quasi-optical integrated dielectric lens antenna and array thereof |
| CN104617383A (en) * | 2015-01-23 | 2015-05-13 | 西北工业大学 | Multi-beam scanning lens antenna |
| CN105742824A (en) * | 2016-04-13 | 2016-07-06 | 中国电子科技集团公司第五十四研究所 | Low-profile lens antenna capable of realizing wide-angle scanning |
| CN107369916A (en) * | 2017-07-03 | 2017-11-21 | 杭州麦宇电子科技有限公司 | The integrated crescent lens antenna of packaged lens feed transmitting-receiving |
| US20190103660A1 (en) * | 2017-09-29 | 2019-04-04 | Commscope Technologies Llc | Base station antennas with lenses for reducing upwardly-directed radiation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8780012B2 (en) * | 2009-06-30 | 2014-07-15 | California Institute Of Technology | Dielectric covered planar antennas |
| CN102176538B (en) * | 2011-01-26 | 2014-04-16 | 浙江大学 | Multi-beam medium column lens antenna |
| CN107275788B (en) * | 2017-07-03 | 2020-01-10 | 电子科技大学 | Millimeter wave fan-shaped beam cylindrical luneberg lens antenna based on metal perturbation structure |
| EP3490060B1 (en) * | 2017-11-27 | 2022-07-27 | Panasonic Intellectual Property Management Co., Ltd. | Radar device |
| CN209843935U (en) * | 2019-06-17 | 2019-12-24 | Oppo广东移动通信有限公司 | Electronic device |
-
2019
- 2019-06-17 CN CN201910529132.6A patent/CN112103669A/en active Pending
-
2020
- 2020-06-05 WO PCT/CN2020/094666 patent/WO2020253555A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662076A (en) * | 2008-08-28 | 2010-03-03 | 阮树成 | Millimeter-wave quasi-optical integrated dielectric lens antenna and array thereof |
| CN104617383A (en) * | 2015-01-23 | 2015-05-13 | 西北工业大学 | Multi-beam scanning lens antenna |
| CN105742824A (en) * | 2016-04-13 | 2016-07-06 | 中国电子科技集团公司第五十四研究所 | Low-profile lens antenna capable of realizing wide-angle scanning |
| CN107369916A (en) * | 2017-07-03 | 2017-11-21 | 杭州麦宇电子科技有限公司 | The integrated crescent lens antenna of packaged lens feed transmitting-receiving |
| US20190103660A1 (en) * | 2017-09-29 | 2019-04-04 | Commscope Technologies Llc | Base station antennas with lenses for reducing upwardly-directed radiation |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114639969A (en) * | 2022-05-19 | 2022-06-17 | 西安海天天线科技股份有限公司 | 5G massive MIMO artificial dielectric lens antenna and artificial dielectric lens thereof |
| CN115036678A (en) * | 2022-06-30 | 2022-09-09 | Oppo广东移动通信有限公司 | Electronic device and antenna setting method |
| CN115036678B (en) * | 2022-06-30 | 2023-12-26 | Oppo广东移动通信有限公司 | Electronic device and antenna setting method |
| WO2024190198A1 (en) * | 2023-03-16 | 2024-09-19 | 株式会社村田製作所 | Microlens array antenna |
| CN117691329A (en) * | 2024-02-02 | 2024-03-12 | 广州司南技术有限公司 | Cylindrical single-beam lens antenna system |
| CN117691329B (en) * | 2024-02-02 | 2024-05-03 | 广州司南技术有限公司 | Cylindrical single-beam lens antenna system |
| CN118472634A (en) * | 2024-07-15 | 2024-08-09 | 常州星宇车灯股份有限公司 | Manufacturing method of vehicle-mounted planar parallel dual-lens radome |
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| WO2020253555A1 (en) | 2020-12-24 |
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