CN114497998B - Antenna system and camera equipment - Google Patents
Antenna system and camera equipment Download PDFInfo
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- CN114497998B CN114497998B CN202210013597.8A CN202210013597A CN114497998B CN 114497998 B CN114497998 B CN 114497998B CN 202210013597 A CN202210013597 A CN 202210013597A CN 114497998 B CN114497998 B CN 114497998B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/002—Protection against seismic waves, thermal radiation or other disturbances, e.g. nuclear explosion; Arrangements for improving the power handling capability of an antenna
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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
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses an antenna system and image pickup equipment, the disclosed antenna system comprises a shell and a plurality of types of antenna structures, the shell is provided with a first surface and a second surface which are adjacent and vertical, the plurality of types of antenna structures comprise two first antenna structures, two second antenna structures and a third antenna structure, one of the first antenna structures comprises a first grounding part and a first radiating part, the other first antenna structure comprises a second grounding part and a second radiating part, the first radiating part and the second radiating part are respectively arranged on two opposite edges of the first surface, the second antenna structure comprises a third grounding part and a third radiating part, the two second antenna structures are respectively arranged on two opposite edges of the second surface, and the third antenna structure is arranged between the two second antenna structures; the scheme not only improves the isolation between the antenna structures of different systems, but also improves the isolation between the antenna structures of the same system, and reduces the mutual interference among a plurality of antenna structures.
Description
Technical Field
The present invention relates to the field of wireless communications technologies, and in particular, to an antenna system and an image capturing apparatus.
Background
The existing single antenna on the market cannot meet the communication requirement of equipment, and has the problems of poor stability of wireless signals and single bearing service mode; the phenomena of signal congestion and cross interference often occur in antennas with various systems, so that the technical problem of poor communication stability is caused.
Disclosure of Invention
The invention discloses an antenna system, which aims to solve the technical problem of poor communication stability caused by mutual interference of multiple system antennas in the related technology.
In order to solve the problems, the invention adopts the following technical scheme:
the embodiment of the invention provides an antenna system, a shell of the antenna system and antenna structures of various systems are disclosed, wherein the shell is provided with a first surface and a second surface which are adjacent and vertical, and the antenna structures of various systems comprise a first antenna structure, a second antenna structure and a third antenna structure; wherein:
the antenna system comprises two first antenna structures, wherein one of the two first antenna structures comprises a first grounding part and a first radiating part, the other first antenna structure comprises a second grounding part and a second radiating part, and the first radiating part and the second radiating part are respectively arranged at two opposite edges of the first surface;
the antenna system comprises two second antenna structures, wherein each second antenna structure comprises a third grounding part and a third radiation part, and the two second antenna structures are respectively arranged at two opposite edges of the second surface;
the shell is provided with a mounting position between the two second antenna structures, and the third antenna structure is arranged at the mounting position.
The embodiment of the application also provides an image pickup apparatus, which comprises a camera body and the antenna system.
The technical scheme adopted by the invention can achieve the following beneficial effects:
according to the antenna system disclosed by the embodiment of the invention, the two first antenna structures can be the main set antenna and the diversity antenna of the 4G antenna, and the first radiation part and the second radiation part are respectively arranged at the two opposite edges of the first surface, so that the space distance between the first radiation part and the second radiation part is increased, the space isolation between the two first antenna structures is improved, and the mutual influence of the two first antenna structures is reduced; the two second antenna structures can be WiFi antennas, and are arranged at two opposite edges of the second surface, so that the two second antenna structures are ensured to have enough space distance, the isolation between the two second antenna structures is improved, and the transmission efficiency and throughput of the antenna system can be improved by adopting the two second antenna structures; meanwhile, the first surface and the second surface are vertical, the radiation direction of the first antenna structure is vertical to the first surface, the radiation direction of the second antenna structure is vertical to the second surface, the radiation directions of the first antenna structure and the second antenna structure are not mutually influenced, the mutual coupling between the first antenna structure and the second antenna structure can be reduced, and the space isolation between the first antenna structure and the second antenna structure is increased;
that is, according to the technical scheme, the isolation between the antenna structures of various systems can be improved, such as the isolation between the first antenna structure and the second antenna structure is improved, and the isolation between the antenna structures of the same system can be improved, such as the isolation between the two first antenna structures is improved, so that the mutual interference of the antenna structures is reduced, the performance of an antenna system is improved, and the stability of communication is ensured.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is one of schematic structural diagrams of a housing of an antenna system according to an embodiment of the present application;
fig. 2 is a second schematic structural diagram of a housing of the antenna system according to the embodiment of the present application;
fig. 3 is a schematic structural diagram of an antenna system according to an embodiment of the present application;
fig. 4 is one of schematic structural diagrams of a first antenna structure according to an embodiment of the present application;
fig. 5 is a second schematic structural diagram of the first antenna structure according to the embodiment of the present application;
fig. 6 is a schematic structural diagram of a second antenna structure according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of an image pickup apparatus of an embodiment of the present application.
In the figure:
100-a housing, 101-a first surface, 102-a second surface, 103-a third surface, 104-a fourth surface, 110-a mounting location, 120-a wire aperture;
200-a first antenna structure, 210-a first grounding part, 211-a first grounding point, 220-a first radiating part, 221-a first feed network, 222-a first high-frequency branch, 223-a second high-frequency branch, 224-a first medium-low-frequency branch, 224 a-a first bending part, 225-a second medium-high-frequency branch, 225 a-a second bending part, 226-a first low-frequency branch, 227-a second low-frequency branch, 228-a third low-frequency branch, 229-a first impedance matching branch, 2210-a first feed point; 230-second grounding part, 231-second grounding point, 240-second radiation part, 241-second feed network, 242-third high frequency branch, 243-fourth high frequency branch, 244-third medium-high frequency branch, 245-fourth medium-high frequency branch, 246-third low frequency branch, 246 a-third bent part, 247-fourth low frequency branch, 249-second impedance matching branch, 2410-second feed point;
300-second antenna structure, 321-third feed point, 322-third ground point, 323-first radiating branch, 324-second radiating branch;
400-a ground assembly, 410-a first set of spring contacts, 420-a second set of spring contacts;
510-first feeder, 520-second feeder;
600-camera body;
700-antenna capsule;
800-radome.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The antenna system and the image capturing apparatus provided in the embodiments of the present application are described in detail below with reference to fig. 1 to 7 by way of specific embodiments and application scenarios thereof.
Referring to fig. 1 to 7, an embodiment of the present application discloses an antenna system, which includes a housing 100 and various antenna structures.
The housing 100 is a basic component of an antenna system, and can provide a mounting base for various antenna structures. Specifically, in the embodiment of the present application, the housing 100 has a first surface 101 and a second surface 102 that are perpendicular and adjacent, and the antenna structures of multiple systems may include a first antenna structure 200, a second antenna structure 300, and a third antenna structure, where the first antenna structure 200 may be a 4G antenna, the second antenna structure 300 may be a WiFi antenna, and the third antenna structure may be a GPS antenna and/or a bluetooth antenna.
In the embodiment of the present application, the antenna system includes two first antenna structures 200, in which one first antenna structure 200 includes a first grounding portion 210 and a first radiating portion 220, and the other first antenna structure 200 includes a second grounding portion 230 and a second radiating portion 240, and the first surface 101 provides a mounting base for the first radiating portion 220 and the second radiating portion 240, specifically, the first radiating portion 220 and the second radiating portion 240 are respectively located at two opposite edges of the first surface 101.
In the present embodiment, the first antenna structure 200 and the second antenna structure 300 are each fed by a feeder line, the two first antenna structures 200 are each fed by one first feeder line 510, and the two second antenna structures 300 are each fed by one second feeder line 520.
Specifically, the first grounding part 210 is provided with a first grounding point 211, the first radiating part 220 is provided with a first feeding point 2210, the core of the first feeder line 510 is connected to the first feeding point 2210, and the shielding layer of the first feeder line 510 is connected to the first grounding point 211; similarly, the second grounding part 230 is provided with a second grounding point 231, the second radiation part 240 is provided with a second feeding point 2410, the core of the first feeder line 510 is connected to the second feeding point 2410, and the shielding layer of the first feeder line 510 is connected to the second grounding point 231.
In the two first antenna structures 200, one of the first antenna structures 200 may be used as a main set antenna of a 4G antenna and is responsible for transmitting and receiving radio frequency signals, the other first antenna structure 200 may be used as a diversity antenna of the 4G antenna and is responsible for receiving signals, the first radiating portion 220 and the second radiating portion 240 are respectively disposed at two opposite edges of the first surface 101, and the first surface 101 forms a space between the first radiating portion 220 and the second radiating portion 240, so that mutual coupling between the two first antenna structures 200 can be reduced, and isolation between the two first antenna structures 200 is improved.
The second antenna structure 300 includes a third ground portion and a third radiation portion, and similarly, the third ground portion is provided with a third ground point 322, the third radiation portion is provided with a third feeding point 321, a core of the second feeding line 520 is connected to the third feeding point 321, and a shielding layer of the second feeding line 520 is connected to the third ground point 322.
In this embodiment, the antenna system includes two second antenna structures 300, where the two second antenna structures 300 may be WiFi antennas, and the second surface 102 provides a mounting base for the two second antenna structures 300, specifically, the two second antenna structures 300 are disposed on two opposite edges of the second surface 102.
The housing 100 is provided with a mounting location 110 between two second antenna structures 300, and a third antenna structure may be a GPS ceramic antenna and/or a bluetooth ceramic antenna, and the third antenna structure is provided at the mounting location 110.
In the antenna system disclosed in the embodiment of the present application, the first radiation portion 220 and the second radiation portion 240 are arranged at two opposite edges of the first surface 101 at intervals, so that the spatial distance between the first radiation portion 220 and the second radiation portion 240 is increased, the spatial isolation between the two first antenna structures 200 is improved, and the interaction between the two first antenna structures 200 is reduced; the two second antenna structures 300 are arranged at two opposite edges of the second surface 102, so that a sufficient space distance is ensured between the two second antenna structures 300, isolation between the two second antenna structures 300 is improved, and transmission efficiency and throughput of an antenna system can be improved by adopting the two second antenna structures 300.
The first surface 101 and the second surface 102 are perpendicular, the radiation direction of the first antenna structure 200 is perpendicular to the first surface 101, the radiation direction of the second antenna structure 300 is perpendicular to the second surface 102, the radiation direction of the first antenna structure 200 and the radiation direction of the second antenna structure 300 are not affected each other, the mutual coupling between the two can be reduced, and the space isolation between the first antenna structure 200 and the second antenna structure 300 can be increased.
Under such layout, the isolation between the antenna structures of multiple systems can be improved, such as the isolation between the first antenna structure 200 and the second antenna structure 300, and the isolation between the antenna structures of the same system can be improved, such as the isolation between the two first antenna structures 200, so that the mutual interference of multiple antenna structures is reduced, the performance of an antenna system is improved, and the stability of communication is ensured.
As can be seen from the foregoing, the third antenna structure is disposed between the two second antenna structures 300, so as to improve the isolation between the second antenna structures 300 and the third antenna structures, reduce the mutual coupling between the second antenna structures 300 and the third antenna structures, and the mounting portion 110 protrudes or is recessed from the second surface 102, so that the second antenna structures 300 and the third antenna structures are located in different planes, thereby improving the isolation between the second antenna structures 300 and the third antenna structures. Referring to fig. 1, for example, in an alternative embodiment, the mounting location 110 may be a mounting groove, where the GPS ceramic antenna and/or the bluetooth ceramic antenna are disposed, and in this embodiment, the mounting location 110 protrudes from the second surface 102, that is, the bottom wall of the mounting groove protrudes from the second surface 102, so that the performance of the third antenna can be ensured.
As can be seen from the foregoing, in the embodiment of the present application, the first antenna structure 200 may be a 4G antenna, and the coverage of the frequency band of the antenna in the existing communication device is limited due to the different wireless communication standards adopted by various countries and regions, so that it is difficult to satisfy the full coverage of the communication frequency band 615 MHz-960 MHz and 1425 MHz-2690 MHz.
Based on the above, in the embodiment of the present application, the first radiating section 220 includes the first feeding network 221, the first high-frequency radiating element group, the first medium-high-frequency radiating element group, the first low-frequency radiating element group, and the first impedance matching stub 229.
The first high-frequency radiating element group includes a first high-frequency branch 222 and a second high-frequency branch 223, the first high-frequency branch 222 is connected to the first grounding part 210 and has a first feeding gap with the first feeding network 221, and the second high-frequency branch 223 is connected to the first feeding network 221.
The first medium-high frequency radiating element group includes a first medium-low frequency branch 224 and a second medium-high frequency branch 225, the first medium-low frequency branch 224 is connected to the first feed network 221 and has a second feed gap with the second high frequency branch 223, and the second medium-high frequency branch 225 is connected to the first feed network 221.
The first low-frequency radiating element group includes a first low-frequency branch 226, a second low-frequency branch 227, and a third low-frequency branch 228, where the first low-frequency branch 226, the second low-frequency branch 227, and the third low-frequency branch 228 are connected to the first impedance matching branch 229, respectively, and a third feed gap is provided between the first low-frequency branch 226 and the first middle-low frequency branch 224, and a fourth feed gap is provided between the second low-frequency branch 227 and the second middle-high frequency branch 225.
With this arrangement, the first radiation unit 220 has seven radiation units, and covers the low frequency band, the middle and high frequency bands, and the high frequency band of 4G communication, so as to realize communication coverage in 615MHz to 960MHz and 1425 to 2690MHz, and has the characteristics of multiple frequency bands and wide bandwidth, so as to realize 4G communication coverage in the global area.
Based on the miniaturization development requirement of the communication device for the antenna, in a preferred solution, the first middle-low frequency branch 224 is provided with a first bending portion 224a, the extending direction of the first bending portion 224a faces the first feeding network 221, and a first slot is formed, and at least part of the second high frequency branch 223 is located in the first slot.
Further, the second middle-high frequency branch 225 is provided with a second bending portion 225a, and an extending direction of the second bending portion 225a faces the first feeding network 221.
With such arrangement, the first bending portion 224a can change the integration level of the first middle-low frequency branch 224, and the second bending portion 225a can improve the integration level of the second middle-high frequency branch 225, so as to achieve the purpose of shrinking the first antenna structure 200. Meanwhile, the first bending part 224a and the second bending part 225a respectively prolong the lengths of the first middle-low frequency branch 224 and the second middle-high frequency branch 225, so that the electric length of the antenna is increased in a small space, and the communication signal quality during user communication is greatly improved. Of course, in the embodiment of the present invention, the specific shape types of the first bending portion 224a and the second bending portion 225a may be various, and are not limited to those shown in the drawings, and may be, for example, arc-shaped bending or irregular bending.
In a further embodiment, the first impedance matching branch 229 is connected to the first grounding portion 210 and is bent to form a second slot, and the second middle-high frequency branch 225 and the second low frequency branch 227 are both disposed in the second slot.
In the embodiment of the present application, the second radiating part 240 includes a second feeding network 241, a second high frequency radiating element group, a second middle and high frequency radiating element group, a second low frequency radiating element group, and a second impedance matching stub 249.
The second high-frequency radiating element group includes a third high-frequency branch 242 and a fourth high-frequency branch 243, the third high-frequency branch 242 is connected to the second grounding portion 230, and a fifth feeding gap is provided between the third high-frequency branch 242 and the second grounding portion 230, and the fourth high-frequency branch 243 is connected to the second feeding network 241.
The second high-frequency radiating element group includes a third middle-high frequency branch 244 and a fourth middle-high frequency branch 245, a sixth feeding gap is provided between the third middle-high frequency branch 244 and the fourth high frequency branch 243, and the fourth middle-high frequency branch 245 is connected to a second impedance matching branch 249.
The second low frequency radiating element group includes a third low frequency branch 246 and a fourth low frequency branch 247, the third low frequency branch 246 being connected to the second feed network 241 and the fourth low frequency branch 247 being connected to the second impedance matching branch 249.
The second radiation part 240 has six radiation units, and covers the low frequency band, the middle and high frequency bands and the high frequency band of the 4G communication, so as to realize communication coverage between 615 MHz-960 MHz and 1425-2690 MHz, have the characteristics of multiple frequency bands and wide bandwidth, and realize the 4G communication coverage in the global scope.
In a further technical solution, the third low-frequency branch 246 is provided with a third bending portion 246a, and the third bending portion 246a lengthens the length of the third low-frequency branch 246, so as to increase the electrical length of the antenna in a small space.
In this embodiment, the third grounding part includes a third grounding point 322, the third radiation part includes a third feeding point 321, a first radiation branch 323 and a second radiation branch 324, the first radiation branch 323 is connected to the third feeding point 321, and the second radiation branch 324 is connected to the third grounding point 322.
In a further technical scheme, the first radiating branch 323 and the second radiating branch 324 are symmetrically arranged, so that under the condition that the first radiating branch 323 and the second radiating branch 324 form a Z-shaped symmetrical dipole, radio waves can be transmitted and received, the gain of the WiFi antenna is obviously improved, and the transmission distance of the WiFi antenna is increased.
In the embodiment of the present application, the housing 100 is provided with a grounding assembly 400, the grounding assembly 400 is connected to the first grounding portion 210, and the grounding assembly 400 is used for conducting the first grounding portion 210 to ground.
Illustratively, in an alternative embodiment, the ground assembly 400 includes a first set of spring contacts 410 and a second set of spring contacts 420, the first set of spring contacts 410 and the second set of spring contacts 420 each being in contact with a housing of the communication device.
In the two first antenna structures 200, the first ground portion 210 of one first antenna structure 200 is in conduction with the first set of elastic contacts 410, and the first ground portion 210 of the other first antenna structure 200 is in conduction with the second set of elastic contacts 420.
In this embodiment, the first set of elastic contacts 410 and the second set of elastic contacts 420 each include a plurality of elastic pieces, which are in contact with the housing of the communication device. As can be seen from the foregoing, the two first antenna structures 200 are monopole antennas, and the plurality of shrapnel are adopted to contact with the housing of the communication device, and the shrapnel and the first grounding portion 210 are used as a part of the first antenna structures 200, so that the area of the first antenna structures 200 can be enlarged, the radiation aperture of the first antenna structures 200 can be increased, and the efficiency of the first antenna structures 200 can be improved.
Referring to fig. 1 and 2, the housing 100 has a third surface 103 and a fourth surface 104 opposite to each other, the third surface 103 being adjacent to the first surface 101 and the second surface 102, respectively, the fourth surface 104 being adjacent to the first surface 101 and the second surface 102, respectively, and in two first antenna structures 200, at least a portion of the first ground portion 210 of one of the first antenna structures 200 is disposed on the third surface 103, and at least a portion of the first ground portion 210 of the other first antenna structure 200 is disposed on the fourth surface 104. That is, the antenna structures of the antenna system are distributed on a plurality of surfaces of the housing 100, so that the first radiating portion 220 and the second radiating portion 240 are arranged on the first surface 101 of the housing 100, at least part of the first grounding portion 210 is arranged on the third surface, at least part of the second grounding portion 230 is arranged on the fourth surface 104, and the second antenna structure 300 is arranged on the second surface, thereby not only ensuring isolation between multiple antenna structures, but also ensuring isolation between antenna structures of the same system; meanwhile, the antenna structures of the antenna system are distributed on a plurality of surfaces of the shell 100, so that the size of the antenna system can be reduced, and the miniaturization development of the electronic equipment carrying the antenna system is facilitated under the condition that the communication stability of the antenna system is ensured.
In a further embodiment, the first set of elastic contacts 410 is connected to a side of the third surface 103 away from the first surface 101, and the second set of elastic contacts 420 is connected to a side of the fourth surface 104 away from the first surface 101, so that the area of the first antenna structure is increased as much as possible.
Referring to fig. 2, the case 100 may be a structure that is recessed inward to have a space for avoidance, the third surface 103 and the fourth surface 104 are respectively provided with a wire hole 120, and the first power line 510 connected to the first antenna structure 200 and/or the second power line 520 connected to the second antenna structure 300 are provided to pass through the wire hole 120, so that interference caused by the first power line 510 and/or the second power line 520 when the communication device is assembled can be prevented, and the first power line 510 and/or the second power line 520 can be protected from damage.
The embodiment also discloses an image capturing apparatus including the camera body 600 and the aforementioned antenna system.
Illustratively, in an alternative embodiment, referring to fig. 7, the camera body 600 includes a body cabin and an antenna cabin 700 connected to the body cabin, a control circuit board, a wireless module, etc. of the camera body 600 are disposed in the body cabin, and the antenna system is disposed in the antenna cabin 700, so that the communication interference of electronic components in the camera body to the antenna system can be reduced, and the communication stability of the antenna system is ensured.
In a further technical solution, the camera body 600 is further provided with a radome 800 in connection, which protects the antenna system from the external environment.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.
Claims (13)
1. An antenna system, characterized by comprising a housing (100) and a plurality of antenna structures, the housing (100) having a first surface (101) and a second surface (102) that are adjacent and perpendicular, the plurality of antenna structures comprising a first antenna structure (200), a second antenna structure (300) and a third antenna structure; wherein:
the antenna system comprises two first antenna structures (200), wherein one first antenna structure (200) comprises a first grounding part (210) and a first radiating part (220), the other first antenna structure (200) comprises a second grounding part (230) and a second radiating part (240), and the first radiating part (220) and the second radiating part (240) are respectively arranged at two opposite edges of the first surface (101);
the antenna system comprises two second antenna structures (300), the second antenna structures (300) comprise a third grounding part and a third radiation part, and the two second antenna structures (300) are respectively arranged at two opposite edges of the second surface (102);
the housing (100) is provided with a mounting location (110) between two second antenna structures (300), and the third antenna structure is provided at the mounting location (110).
2. The antenna system according to claim 1, wherein the first radiating portion (220) comprises a first feed network (221), a first set of high frequency radiating elements, a first set of medium and high frequency radiating elements, a first set of low frequency radiating elements, and a first impedance matching stub (229); wherein:
the first high-frequency radiation unit group comprises a first high-frequency branch (222) and a second high-frequency branch (223), wherein the first high-frequency branch (222) is connected with the first grounding part (210) and has a first feed gap with the first feed network (221), and the second high-frequency branch (223) is connected with the first feed network (221);
the first medium-high frequency radiation unit group comprises a first medium-low frequency branch (224) and a second medium-high frequency branch (225), the first medium-low frequency branch (224) is connected with the first feed network (221) and is provided with a second feed gap with the second high frequency branch (223), and the second medium-high frequency branch (225) is connected with the first feed network (221);
the first low-frequency radiating element group comprises a first low-frequency branch (226), a second low-frequency branch (227) and a third low-frequency branch (228), wherein the first low-frequency branch (226), the second low-frequency branch (227) and the third low-frequency branch (228) are respectively connected with a first impedance matching branch (229), a third feed gap is reserved between the first low-frequency branch (226) and the first middle-low frequency branch (224), and a fourth feed gap is reserved between the second low-frequency branch (227) and the second middle-high frequency branch (225).
3. The antenna system according to claim 2, characterized in that the first mid-low frequency branch (224) is provided with a first bend (224 a), the first bend (224 a) extending in a direction towards the first feed network (221) and forming a first slot, at least part of the second high frequency branch (223) being located in the first slot.
4. An antenna system according to claim 3, characterized in that the second mid-high frequency branch (225) is provided with a second bend (225 a), the second bend (225 a) extending in a direction towards the first feed network (221).
5. The antenna system of claim 2, wherein the first impedance matching stub (229) is connected to the first ground portion (210) and bent to form a second slot, the second middle-high frequency stub (225) and the second low frequency stub (227) being both disposed in the second slot.
6. The antenna system according to claim 1, characterized in that the second radiating section (240) comprises a second feed network (241), a second set of high frequency radiating elements, a second set of medium and high frequency radiating elements, a second set of low frequency radiating elements and a second impedance matching stub (249); wherein:
the second high-frequency radiation unit group comprises a third high-frequency branch (242) and a fourth high-frequency branch (243), the third high-frequency branch (242) is connected with the second grounding part (230) and has a fifth feed gap with the second grounding part (230), and the fourth high-frequency branch (243) is connected with the second feed network (241);
the second high-frequency radiation unit group comprises a third middle-high frequency branch (244) and a fourth middle-high frequency branch (245), a sixth feed gap is arranged between the third middle-high frequency branch (244) and the fourth high frequency branch (243), and the fourth middle-high frequency branch (245) is connected with the second impedance matching branch (249);
the second low-frequency radiation unit group comprises a third low-frequency branch (246) and a fourth low-frequency branch (247), the third low-frequency branch (246) is connected with the second feed network (241), and the fourth low-frequency branch (247) is connected with the second impedance matching branch (249).
7. The antenna system according to claim 1, characterized in that the third ground part comprises a third ground point (322), the third radiating part comprising a third feed point (321), a first radiating branch (323) and a second radiating branch (324), the first radiating branch (323) being connected to the third feed point (321), the second radiating branch (324) being connected to the third ground point (322).
8. The antenna system according to claim 1, characterized in that the housing (100) is provided with a grounding assembly (400), the grounding assembly (400) being connected to the first grounding portion (210), the grounding assembly (400) being adapted to ground the first grounding portion (210).
9. The antenna system of claim 8, wherein the ground assembly (400) comprises a first set of spring contacts (410) and a second set of spring contacts (420), the first set of spring contacts (410) and the second set of spring contacts (420) being in contact with a housing of the communication device, respectively, wherein in both of the first antenna structures (200), a first ground portion (210) of one of the first antenna structures (200) is in communication with the first set of spring contacts (410), and a first ground portion (210) of the other of the first antenna structures (200) is in communication with the second set of spring contacts (420).
10. The antenna system of claim 1, wherein the mounting location (110) is raised or recessed from the second surface (102) such that the second antenna structure (300) and the third antenna structure are in different planes.
11. The antenna system according to claim 1, characterized in that the housing (100) has a third surface (103) and a fourth surface (104) facing away from each other, the third surface (103) being adjacent to the first surface (101) and the second surface (102), respectively, the fourth surface (104) being adjacent to the first surface (101) and the second surface (102), respectively, the third surface (103) and the fourth surface (104) being provided with a wire hole (120), respectively, a feed line connecting the first antenna structure (200) and the second antenna structure (300) being provided through the wire hole (120).
12. An image pickup apparatus characterized by comprising a camera body (600) and the antenna system according to any one of claims 1 to 11.
13. The image pickup apparatus according to claim 12, wherein the camera body (600) includes a body compartment and an antenna compartment (700) connected to the body compartment, the antenna system being provided to the antenna compartment (700).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210013597.8A CN114497998B (en) | 2022-01-06 | 2022-01-06 | Antenna system and camera equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210013597.8A CN114497998B (en) | 2022-01-06 | 2022-01-06 | Antenna system and camera equipment |
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| CN114497998A CN114497998A (en) | 2022-05-13 |
| CN114497998B true CN114497998B (en) | 2023-07-28 |
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| CN202210013597.8A Active CN114497998B (en) | 2022-01-06 | 2022-01-06 | Antenna system and camera equipment |
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| CN115150533A (en) * | 2022-06-16 | 2022-10-04 | 杭州海康威视数字技术股份有限公司 | Cloth ball |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829004A (en) * | 2018-08-07 | 2020-02-21 | 杭州海康威视数字技术股份有限公司 | Dual-frequency dual-polarized antenna |
| CN111129768A (en) * | 2016-11-17 | 2020-05-08 | 华为技术有限公司 | Communication terminal |
| CN111193100A (en) * | 2020-02-20 | 2020-05-22 | Oppo广东移动通信有限公司 | Electronic device |
| CN212968042U (en) * | 2020-08-07 | 2021-04-13 | 常州柯特瓦电子有限公司 | Antenna structure |
| CN113131178A (en) * | 2019-12-30 | 2021-07-16 | 杭州海康威视数字技术股份有限公司 | Direction-finding antenna, direction-finding antenna system and electronic equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102600874B1 (en) * | 2016-10-28 | 2023-11-13 | 삼성전자주식회사 | Antenna device and electronic device with the same |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129768A (en) * | 2016-11-17 | 2020-05-08 | 华为技术有限公司 | Communication terminal |
| CN110829004A (en) * | 2018-08-07 | 2020-02-21 | 杭州海康威视数字技术股份有限公司 | Dual-frequency dual-polarized antenna |
| CN113131178A (en) * | 2019-12-30 | 2021-07-16 | 杭州海康威视数字技术股份有限公司 | Direction-finding antenna, direction-finding antenna system and electronic equipment |
| CN111193100A (en) * | 2020-02-20 | 2020-05-22 | Oppo广东移动通信有限公司 | Electronic device |
| CN212968042U (en) * | 2020-08-07 | 2021-04-13 | 常州柯特瓦电子有限公司 | Antenna structure |
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