CN114497998A - Antenna system and camera equipment - Google Patents

Antenna system and camera equipment Download PDF

Info

Publication number
CN114497998A
CN114497998A CN202210013597.8A CN202210013597A CN114497998A CN 114497998 A CN114497998 A CN 114497998A CN 202210013597 A CN202210013597 A CN 202210013597A CN 114497998 A CN114497998 A CN 114497998A
Authority
CN
China
Prior art keywords
antenna
branch
frequency
frequency branch
low
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210013597.8A
Other languages
Chinese (zh)
Other versions
CN114497998B (en
Inventor
王剑
张书俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Hikvision Digital Technology Co Ltd
Original Assignee
Hangzhou Hikvision Digital Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Hikvision Digital Technology Co Ltd filed Critical Hangzhou Hikvision Digital Technology Co Ltd
Priority to CN202210013597.8A priority Critical patent/CN114497998B/en
Publication of CN114497998A publication Critical patent/CN114497998A/en
Application granted granted Critical
Publication of CN114497998B publication Critical patent/CN114497998B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/002Protection against seismic waves, thermal radiation or other disturbances, e.g. nuclear explosion; Arrangements for improving the power handling capability of an antenna
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H01Q1/523Means 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/28Combinations of substantially independent non-interacting antenna units or systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)

Abstract

The invention discloses an antenna system and camera equipment, the disclosed antenna system comprises a shell and antenna structures of multiple systems, the shell is provided with a first surface and a second surface which are adjacent and vertical, the antenna structures of multiple systems comprise two first antenna structures, two second antenna structures and a third antenna structure, wherein one first antenna structure comprises a first grounding part and a first radiation part, the other first antenna structure comprises a second grounding part and a second radiation part, the first radiation part and the second radiation part are respectively arranged on two opposite edges of the first surface, the second antenna structure comprises a third grounding part and a third radiation 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; by the scheme, the isolation between the antenna structures of different systems is improved, the isolation between the antenna structures of the same system is also improved, and the mutual interference among a plurality of antenna structures is reduced.

Description

Antenna system and camera equipment
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to an antenna system and an image pickup apparatus.
Background
The single antenna on the existing market can not meet the communication requirement of equipment, and the conditions of poor wireless signal stability and single service bearing mode exist; and the antenna of multiple systems often has the phenomenon of signal congestion and cross interference, leading to the technical problem of poor stability of communication.
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 standard antennas in the antenna 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, which comprises a shell of the antenna system and antenna structures of various systems, 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 radiation part, the other one of the two first antenna structures comprises a second grounding part and a second radiation part, and the first radiation part and the second radiation part are respectively arranged on two opposite edges of the first surface;
the antenna system comprises two second antenna structures, each second antenna structure comprises a third grounding part and a third radiation part, and the two second antenna structures are respectively arranged on two opposite edges of the second surface;
the casing is two be provided with the installation position between the second antenna structure, the third antenna structure is located the installation position.
The embodiment of the application also provides the camera equipment, and the disclosed camera equipment comprises a camera body and the antenna system.
The technical scheme adopted by the invention can achieve the following beneficial effects:
in the antenna system disclosed by the embodiment of the invention, the two first antenna structures can be a main diversity antenna and a diversity antenna of a 4G antenna, and the first radiation part and the second radiation part are respectively arranged on 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, are arranged on two opposite edges of the second surface, and similarly, enough space distance is ensured between the two second antenna structures, the isolation between the two second antenna structures is improved, and the transmission efficiency and the throughput of the antenna system can be improved by adopting the two second antenna structures; meanwhile, the first surface is vertical to the second surface, 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 direction of the first antenna structure and the radiation direction of the second antenna structure are not affected with each other, mutual coupling between the first antenna structure and the second antenna structure can be reduced, and the spatial isolation between the first antenna structure and the second antenna structure is increased;
that is to say, this application technical scheme can improve the isolation between the antenna structure of multiple standard, like improving the isolation between first antenna structure and the second antenna structure, can improve the isolation between the antenna structure of same standard again, like improving the isolation between two first antenna structures, reduced a plurality of antenna structure's mutual interference, promoted antenna system's performance, guaranteed the stability of communication.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
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 a schematic structural diagram 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 configuration diagram of an image pickup apparatus according to an embodiment of the present application.
In the figure:
100-housing, 101-first surface, 102-second surface, 103-third surface, 104-fourth surface, 110-mounting location, 120-wire hole;
200-a first antenna structure, 210-a first ground, 211-a first ground, 220-a first radiating section, 221-a first feed network, 222-a first high-frequency branch, 223-a second high-frequency branch, 224-a first middle-low frequency branch, 224 a-a first bend, 225-a second middle-high frequency branch, 225 a-a second bend, 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-a second grounding part, 231-a second grounding point, 240-a second radiation part, 241-a second feed network, 242-a third high-frequency branch, 243-a fourth high-frequency branch, 244-a third medium-high-frequency branch, 245-a fourth medium-high-frequency branch, 246-a third low-frequency branch, 246 a-a third bend, 247-a fourth low-frequency branch, 249-a second impedance matching branch, 2410-a second feed point;
300-a second antenna structure, 321-a third feed point, 322-a third ground point, 323-a first radiating branch, 324-a second radiating branch;
400-a ground assembly, 410-a first set of spring contacts, 420-a second set of spring contacts;
510-a first feed line, 520-a second feed line;
600-a camera body;
700-antenna capsule;
800-antenna housing.
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 is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The antenna system and the imaging apparatus provided in the embodiments of the present application are described in detail below with reference to fig. 1 to 7 through 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 an antenna structure of multiple systems.
The housing 100 is a basic member of the antenna system, and can provide a mounting base for antenna structures of various systems. 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 to each other, 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 the two first antenna structures 200, one of the first antenna structures 200 includes a first ground portion 210 and a first radiation portion 220, and the other first antenna structure 200 includes a second ground portion 230 and a second radiation portion 240, the first surface 101 provides a mounting basis for the first radiation portion 220 and the second radiation portion 240, and specifically, the first radiation portion 220 and the second radiation portion 240 are respectively located on 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 ground portion 210 is provided with a first ground point 211, the first radiating portion 220 is provided with a first feeding point 2210, a core of the first feeding line 510 is connected to the first feeding point 2210, and a shielding layer of the first feeding line 510 is connected to the first ground point 211; similarly, the second ground portion 230 is provided with a second ground point 231, the second radiating portion 240 is provided with a second feeding point 2410, the core of the first feeding line 510 is connected to the second feeding point 2410, and the shielding layer of the first feeding line 510 is connected to the second ground point 231.
In the two first antenna structures 200, one of the first antenna structures 200 may be used as a main antenna set of the 4G antenna and is responsible for transmitting and receiving radio frequency signals, and the other one of the first antenna structures 200 may be used as a diversity antenna set of the 4G antenna and is responsible for receiving signals, the first radiation portion 220 and the second radiation portion 240 are respectively disposed on two opposite edges of the first surface 101, and the first surface 101 forms a gap between the first radiation portion 220 and the second radiation 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 the embodiment of the present application, the antenna system includes two second antenna structures 300, the two second antenna structures 300 may be WiFi antennas, the second surface 102 provides a mounting base for the two second antenna structures 300, and specifically, the two second antenna structures 300 are disposed on two opposite edges of the second surface 102.
The housing 100 is provided with an installation site 110 between two second antenna structures 300, the third antenna structure may be a GPS ceramic antenna and/or a bluetooth ceramic antenna, and the third antenna structure is provided at the installation site 110.
In the antenna system disclosed in the embodiment of the application, the first radiation part 220 and the second radiation part 240 are arranged at two opposite edges of the first surface 101 at intervals, so that the spatial distance between the first radiation part 220 and the second radiation part 240 is increased, the spatial isolation between the two first antenna structures 200 is improved, and the mutual influence between the two first antenna structures 200 is reduced; the two second antenna structures 300 are disposed on two opposite edges of the second surface 102, so that an enough spatial distance is ensured between the two second antenna structures 300, the isolation between the two second antenna structures 300 is improved, and the transmission efficiency and throughput of the antenna system can be improved by using the two second antenna structures 300.
The first surface 101 is perpendicular to the second surface 102, 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 with each other, mutual coupling between the first antenna structure 200 and the second antenna structure 300 can be reduced, and the increase of the spatial isolation between the first antenna structure 200 and the second antenna structure 300 is facilitated.
Under the overall arrangement, 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, the mutual interference of the 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, and in order to improve the isolation between the second antenna structures 300 and the third antenna structures and reduce the mutual coupling between the second antenna structures 300 and the third antenna structures, the mounting locations 110 are protruded or recessed on the second surface 102, so that the second antenna structures 300 and the third antenna structures are located on 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 slot, and the GPS ceramic antenna and/or the bluetooth ceramic antenna are disposed in the mounting slot, in this embodiment, the mounting location 110 protrudes from the second surface 102, that is, a slot bottom wall of the mounting slot protrudes from the second surface 102, and thus, 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 due to different wireless communication standards adopted in various countries and regions, the frequency band coverage range of the antenna in the existing communication device is limited, and it is difficult to satisfy the full-range coverage of the communication frequency bands 615MHz to 960MHz and 1425MHz to 2690 MHz.
Based on the above, in the present embodiment, the first radiating portion 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 branch 229.
The first high-frequency radiating unit 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 ground 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 middle-high frequency radiating element group comprises a first middle-low frequency branch 224 and a second middle-high frequency branch 225, the first middle-low frequency branch 224 is connected with the first feed network 221, a second feed gap is formed between the first middle-low frequency branch 224 and the second high frequency branch 223, and the second middle-high frequency branch 225 is connected with 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, 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 feeding gap is formed between the first low-frequency branch 226 and the first middle and low-frequency branch 224, and a fourth feeding gap is formed between the second low-frequency branch 227 and the second middle and high-frequency branch 225.
Under the arrangement, the first radiation part 220 has seven radiation units, covers the low-frequency band, the medium-high frequency band and the high-frequency band of 4G communication, realizes communication coverage of 615MHz to 960MHz and 1425 to 2690MHz, has the characteristics of multiple frequency bands and wide bandwidth, and realizes global 4G communication coverage.
Based on the miniaturization development demand of the communication device for the antenna, in a preferable scheme, the first middle and 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 forms a first slot, and at least part of the second high frequency branch 223 is located in the first slot.
Further, the second middle and high frequency branch node 225 is provided with a second bent portion 225a, and the extending direction of the second bent portion 225a is toward the first feeding network 221.
With such a configuration, 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, thereby achieving the purpose of reducing the size of 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 electrical 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 also be an arc-shaped bend or an irregular curved bend, for example.
In a further technical solution, the first impedance matching branch 229 is connected to the first ground portion 210 and 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 radiation portion 240 includes a second feeding network 241, a second high-frequency radiation unit group, a second medium-high-frequency radiation unit group, a second low-frequency radiation unit group, and a second impedance matching branch 249.
Wherein, 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 has a fifth feeding gap with 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 with a second impedance matching branch 249.
The second low-frequency radiating element 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.
The second radiation part 240 has six radiation units, covers the low frequency band, the medium frequency band and the high frequency band of 4G communication, realizes communication coverage at 615MHz to 960MHz and 1425MHz to 2690MHz, has the characteristics of multi-band and wide bandwidth, and realizes 4G communication coverage in the global range.
In a further technical solution, the third low-frequency branch 246 is provided with a third bent portion 246a, and the third bent portion 246a extends the length of the third low-frequency branch 246, so as to increase the electrical length of the antenna in a small space.
In the embodiment of the present application, the third grounding portion includes a third grounding point 322, the third radiating portion includes a third feeding point 321, a first radiating branch 323 and a second radiating branch 324, the first radiating branch 323 is connected to the third feeding point 321, and the second radiating branch 324 is connected to the third grounding point 322.
In a further technical scheme, the first radiation branch 323 and the second radiation branch 324 are symmetrically arranged, so that the first radiation branch 323 and the second radiation branch 324 form a Z-shaped symmetric dipole, and radio waves can be transmitted and received, the gain of the WiFi antenna is remarkably improved, and the transmission distance of the WiFi antenna is increased.
In the embodiment of the present application, the casing 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 grounding and conducting the first grounding portion 210.
Illustratively, in an alternative embodiment, the grounding assembly 400 includes a first set of resilient contacts 410 and a second set of resilient contacts 420, the first set of resilient contacts 410 and the second set of resilient contacts 420 each contacting a housing of the communication device.
In the two first antenna structures 200, the first ground portion 210 of one of the first antenna structures 200 is electrically connected to the first group of elastic contacts 410, and the first ground portion 210 of the other one of the first antenna structures 200 is electrically connected to the second group of elastic contacts 420.
In the embodiment of the present application, the first set of elastic contacts 410 and the second set of elastic contacts 420 each include a plurality of resilient pieces, and the resilient pieces 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 a plurality of elastic pieces are used to contact with the housing of the communication device, and the elastic pieces and the first grounding portion 210 are used as a part of the first antenna structure 200, so that the area of the first antenna structure 200 can be enlarged, the radiation aperture of the first antenna structure 200 can be increased, and the efficiency of the first antenna structure 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 is adjacent to the first surface 101 and the second surface 102, respectively, and the fourth surface 104 is adjacent to the first surface 101 and the second surface 102, respectively, in the 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 one of the first antenna structures 200 is disposed on the fourth surface 104. That is to say, the antenna structures of the antenna system are distributed on multiple surfaces of the casing 100, and in this layout, the first radiation portion 220 and the second radiation portion 240 are disposed on the first surface 101 of the casing 100, at least part of the first ground portion 210 is disposed on the third surface, at least part of the second ground portion 230 is disposed on the fourth surface 104, and the second antenna structure 300 is disposed on the second surface, which can ensure both the isolation between the antenna structures of multiple systems and the isolation between the antenna structures of the same system; meanwhile, the antenna structures of the antenna system are distributed on the plurality of surfaces of the housing 100, so that the size of the antenna system can be reduced, and the electronic device carrying the antenna system is favorable for miniaturization development under the condition of ensuring the communication stability of the antenna system.
In a further technical solution, the first group of elastic contacts 410 is disposed on the side of the third surface 103 away from the first surface 101, and the second group of elastic contacts 420 is disposed on the 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 structural member recessed inward to have an escape space, the third surface 103 and the fourth surface 104 are respectively provided with wire holes 120, and the first power feeding line 510 connected to the first antenna structure 200 and/or the second power feeding line 520 connected to the second antenna structure 300 are inserted into the wire holes 120, so that the first power feeding line 510 and/or the second power feeding line 520 are prevented from interfering with each other when the communication device is assembled, and the first power feeding line 510 and/or the second power feeding line 520 are protected from being damaged.
The embodiment of the application also discloses an image pickup apparatus, which comprises a camera body 600 and the antenna system.
Illustratively, in an alternative embodiment, referring to fig. 7, the camera body 600 includes a body compartment and an antenna compartment 700 connected to the body compartment, the control circuit board, the wireless module, and the like of the camera body 600 are disposed in the body compartment, and the antenna system is disposed in the antenna compartment 700, so that the communication interference of the electronic components in the camera body to the antenna system can be reduced, and the communication stability of the antenna system can be ensured.
In a further technical solution, the camera body 600 is further provided with an antenna cover 800 in a connected manner, so as to protect the antenna system from being affected by 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 an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims (13)

1. An antenna system comprising a housing (100) and a multi-format antenna structure, the housing (100) having a first surface (101) and a second surface (102) that are adjacent and perpendicular, the multi-format antenna structure 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 radiation part (220), the other first antenna structure (200) comprises a second grounding part (230) and a second radiation part (240), and the first radiation part (220) and the second radiation part (240) are respectively arranged on two opposite edges of the first surface (101);
the antenna system comprises two second antenna structures (300), each second antenna structure (300) comprises a third grounding part and a third radiation part, and the two second antenna structures (200) are respectively arranged on two opposite edges of the second surface (102);
the shell (100) is provided with an installation position (110) between the two second antenna structures (300), and the third antenna structure is arranged at the installation position (110).
2. The antenna system according to claim 1, wherein the first radiating section (220) comprises a first feeding network (221), a first group of high frequency radiating elements, a first group of medium and high frequency radiating elements, a first group of low frequency radiating elements and a first impedance matching stub (229); wherein:
the first high-frequency radiating unit group comprises a first high-frequency branch (222) and a second high-frequency branch (223), the first high-frequency branch (222) is connected with 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 with the first feeding network (221);
the first medium-high frequency radiating 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), a second feed gap is formed between the first medium-low frequency branch and 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), 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 feeding gap is formed between the first low-frequency branch (226) and the first middle-low frequency branch (224), and a fourth feeding gap is formed between the second low-frequency branch (227) and the second middle-high frequency branch (225).
3. An antenna system according to claim 2, characterized in that the first middle and low frequency branch (224) is provided with a first bend (224a), the first bend (224a) extending in a direction towards the first feeding 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 node (225) is provided with a second bend (225a), the second bend (225a) extending in a direction towards the first feeding network (221).
5. The antenna system of claim 2, wherein the first impedance matching stub (229) is connected to the first ground (210) and bent to form a second slot, and wherein the second mid-high frequency stub (225) and the second low frequency stub (227) are 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 feeding network (241), a second group of high frequency radiating elements, a second group of medium high frequency radiating elements, a second group of low frequency radiating elements and a second impedance matching stub (249); wherein:
the second high-frequency radiating element 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 feeding gap with the second grounding part (230), and the fourth high-frequency branch (243) is connected with the second feeding network (241);
the second high-frequency radiating element group comprises a third middle-high frequency branch (244) and a fourth middle-high frequency branch (245), a sixth feed gap is formed 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 radiating element 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 connection comprises a third ground point (322), the third radiating portion comprises a third feeding point (321), a first radiating branch (323) and a second radiating branch (324), the first radiating branch (323) is connected to the third feeding point (321), the second radiating branch (324) is 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 component (400), the grounding component (400) being connected to the first ground (210), the grounding component (400) being configured to ground the first ground (210).
9. The antenna system of claim 8, characterized in that the grounding assembly (400) comprises a first set of resilient contacts (410) and a second set of resilient contacts (420), the first set of resilient contacts (410) and the second set of resilient contacts (420) being in contact with a housing of a communication device, respectively, in both of the first antenna structures (200), the first ground portion (210) of one of the first antenna structures (200) being in conductive communication with the first set of resilient contacts (410), and the first ground portion (210) of the other first antenna structure (200) being in conductive communication with the second set of resilient 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 third and fourth opposite surfaces (103, 104), the third surface (103) being adjacent to the first and second surfaces (101, 102), respectively, the fourth surface (104) being adjacent to the first and second surfaces (101, 102), respectively, the third and fourth surfaces (103, 104) being provided with wire holes (120), respectively, feed lines connecting the first and second antenna structures (200, 300) being threaded through the wire holes (120).
12. An imaging apparatus characterized by comprising a camera body (600) and the antenna system according to any one of claims 1 to 11.
13. The image capturing 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 in the antenna compartment (700).
CN202210013597.8A 2022-01-06 2022-01-06 Antenna system and camera equipment Active CN114497998B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210013597.8A CN114497998B (en) 2022-01-06 2022-01-06 Antenna system and camera equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210013597.8A CN114497998B (en) 2022-01-06 2022-01-06 Antenna system and camera equipment

Publications (2)

Publication Number Publication Date
CN114497998A true CN114497998A (en) 2022-05-13
CN114497998B CN114497998B (en) 2023-07-28

Family

ID=81510637

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210013597.8A Active CN114497998B (en) 2022-01-06 2022-01-06 Antenna system and camera equipment

Country Status (1)

Country Link
CN (1) CN114497998B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180123242A1 (en) * 2016-10-28 2018-05-03 Samsung Electronics Co., Ltd. Antenna device and electronic device including the same
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180123242A1 (en) * 2016-10-28 2018-05-03 Samsung Electronics Co., Ltd. Antenna device and electronic device including the same
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN115150533B (en) * 2022-06-16 2024-05-03 杭州海康威视数字技术股份有限公司 Cloth control ball

Also Published As

Publication number Publication date
CN114497998B (en) 2023-07-28

Similar Documents

Publication Publication Date Title
CA2321788C (en) Uniplanar dual strip antenna
KR100980774B1 (en) Internal mimo antenna having isolation aid
US7372412B2 (en) Transceiver-integrated antenna
US7317421B2 (en) Antenna module with an enhanced angular coverage
US20080266181A1 (en) Antenna Arrangement
EP2122752A1 (en) Multi band built-in antenna
CN114497998B (en) Antenna system and camera equipment
EP1657788A1 (en) Multiband concentric mast and microstrip patch antenna arrangement
WO2011026411A1 (en) Wireless device and method for manufacturing antenna of wireless device
WO2021212277A1 (en) Dual-frequency dual-polarization antenna
CN218182468U (en) Antenna device and mobile terminal
CN113839199B (en) Mobile terminal with compact antenna pair
CN210984961U (en) GPS &4G combined antenna
KR102133406B1 (en) Anttena module and vehicle having the same
CN209786193U (en) High-isolation compact type 5G shark fin antenna
CN107925165B (en) Multi-band patch antenna module
CN211629302U (en) Dual-polarized antenna and array
JP2509970B2 (en) Mobile communication terminal
KR102559411B1 (en) Antenna device
US20230335916A1 (en) Antenna device
CN218827793U (en) Antenna structure for mobile device and mobile device
CN219144485U (en) Antenna device
CN217934201U (en) Board carries antenna device and wireless earphone
CN212968061U (en) Electronic equipment
US20220224002A1 (en) Antenna module and vehicle comprising same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant