WO2019127091A1 - 天线组件及包括天线组件的相机 - Google Patents
天线组件及包括天线组件的相机 Download PDFInfo
- Publication number
- WO2019127091A1 WO2019127091A1 PCT/CN2017/118969 CN2017118969W WO2019127091A1 WO 2019127091 A1 WO2019127091 A1 WO 2019127091A1 CN 2017118969 W CN2017118969 W CN 2017118969W WO 2019127091 A1 WO2019127091 A1 WO 2019127091A1
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- WO
- WIPO (PCT)
- Prior art keywords
- circuit board
- flexible circuit
- substrate
- radiating portion
- antenna radiator
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Definitions
- the present application relates to the field of communications technologies, and in particular, to an antenna assembly and a camera including the antenna assembly.
- antenna components are used to implement wireless signal transmission in many devices. Some existing devices are specially designed for wirelessly connecting antenna components. The radiators of the antenna components and other devices need to be kept at a certain distance, so that the antenna components occupy a large space, which is disadvantageous to miniaturization of the device and low integration. And the structure is not compact.
- the present application provides a highly integrated and compact wireless component and a camera including the wireless component.
- an antenna assembly includes: a main board; an antenna radiator electrically connected to the main board; and a flexible circuit board attached to a surface of the antenna radiator, the antenna radiator Supporting the flexible circuit board.
- a camera includes: a housing; a camera body mounted in the housing; and an antenna assembly mounted on the camera body, including: a main board; an antenna radiator; The motherboard is electrically connected and fixedly mounted to the camera body; and a flexible circuit board is attached to the surface of the antenna radiator, and the antenna radiator supports the flexible circuit board.
- the antenna radiator of the present application can be used to support a flexible circuit board as a reinforcing board of a flexible circuit board, so that the antenna assembly occupies a small space, is highly integrated, and has a compact structure.
- FIG. 1 is a partial perspective view of an embodiment of a camera of the present application.
- FIG. 2 is a perspective view of a main board and an antenna radiator of the antenna assembly of the camera shown in FIG. 1.
- FIG. 3 is a front elevational view of the main board and antenna radiator shown in FIG. 2.
- Figure 5 is a graph showing the radiation efficiency waveform of the antenna assembly.
- Figure 6 is a 3D directional radiation pattern of the antenna assembly.
- Figure 7 is a 3D directional radiation pattern at another frequency of the antenna assembly.
- the antenna assembly of the embodiment of the present application includes a main board, an antenna radiator, and a flexible circuit board.
- the antenna radiator is electrically connected to the main board.
- the flexible circuit board is attached to the surface of the antenna radiator, and the antenna radiator supports the flexible circuit board.
- the antenna radiator can be used to support the flexible circuit board as a reinforcing board of the flexible circuit board, so that the antenna assembly occupies small space, high integration and compact structure.
- the camera of the embodiment of the present application includes a housing, a camera body, and an antenna assembly.
- the camera body is mounted in the housing.
- the antenna assembly is mounted on the camera body.
- the antenna assembly includes a main board, an antenna radiator, and a flexible circuit board.
- the antenna radiator is electrically connected to the main board.
- the flexible circuit board is attached to the surface of the antenna radiator, and the antenna radiator supports the flexible circuit board.
- the antenna radiator can be used to support the flexible circuit board as a reinforcing board of the flexible circuit board, so that the antenna assembly occupies small space, high integration and compact structure, and the internal space of the camera is reused, which is advantageous for miniaturization of the camera.
- FIG. 1 shows a partial perspective view of one embodiment of a camera 10.
- FIG. 1 shows some of the components inside the camera 10.
- the camera 10 includes a housing 11, a camera body 12, and an antenna assembly 13.
- the antenna assembly 13 can be used in the camera 10, and can also be used in tablets or other devices that require wireless communication.
- camera 10 may be a motion camera.
- the outer casing 11 may be made of a metal material such as an aluminum alloy. Only the rear cover of the outer casing 11 is shown in Fig. 1, and the front cover, the upper cover and the bottom cover are removed, not shown.
- the camera body 12 is mounted within the housing 11.
- the camera body 12 can be mounted with a display screen 14 that fits within the rear cover of the housing 11 in the form of a rectangular frame.
- the camera body 12 can be equipped with a astigmatism lamp, a shutter unit, an image sensor, a digital image processor, and the like.
- a battery, a memory card, and the like can also be mounted in the casing 11.
- the antenna assembly 13 is mounted on the camera body 12 and includes a main board 131, an antenna radiator 132, and a flexible circuit board 133.
- the antenna assembly 13 is used to transmit and receive electromagnetic waves for wireless communication with other devices.
- the antenna assembly 13 in this embodiment is a built-in antenna assembly located inside the casing 11 of the camera 10.
- the antenna assembly 13 may include a WiFi antenna, a Bluetooth antenna, a 3G/4G antenna, or a GPS single stage antenna.
- FIG. 2 is a perspective view of the main board 131 and the antenna radiator 132 of the antenna assembly 13
- FIG. 3 is a front view of the main board 131 and the antenna radiator 132 shown in FIG. 2.
- the main board 131 is mounted to the front side of the camera body 12.
- the main board 131 includes a printed circuit board 1311 and a radio frequency circuit 1312 mounted on the printed circuit board 1311.
- the RF circuit 1312 generates a radio frequency signal that is electrically coupled to the antenna radiator 132.
- the RF circuit 1312 can include a radio frequency chip 1313 that is electrically coupled to the antenna radiator 132.
- the radio frequency chip 1313 provides a radio frequency signal, and the antenna radiator 132 radiates the radio frequency signal.
- the RF signal output of the RF chip 1313 is electrically coupled to the antenna radiator 132 via the foot 134.
- the radio frequency chip 1313 is electrically coupled to the antenna radiator 132 via a feed line (like an axis or the like) through which the radio frequency signal is transmitted to the antenna radiator 132.
- the inner conductor of the feeder (like the inner core of the axis) electrically connects the RF signal output of the RF chip 1313 to the antenna radiator 132, and the outer conductor (like the outer skin of the axis) is grounded.
- the outer conductor may be connected to the ground of the radio frequency chip 1313, and the ground end of the radio frequency chip 1313 is connected to the ground line of the printed circuit board 1311. Alternatively, the outer conductor can be directly connected to the ground line of the printed circuit board 1311.
- the radio frequency chip 1313 is mounted on a side of the printed circuit board 1311 facing the camera body 12, that is, the rear side of the printed circuit board 1311.
- the RF circuit 1312 may also include other components that are electrically coupled to the RF chip 1313.
- the main board 131 may also include other circuit components such as image processing circuits mounted on the printed circuit board 1311.
- the antenna radiator 132 is electrically connected to the main board 131.
- the antenna radiator 132 is a planar antenna radiator that is fixedly mounted to the camera body 12.
- the antenna radiator 132 is a metal plate and can be fixed to a plastic body (not shown) and attached to the camera body 12 together with the plastic body.
- the plastic body can support the antenna radiator 132 to ensure the stability of the antenna radiator 132.
- the flexible circuit board 133 is attached to the surface of the antenna radiator 132, and the antenna radiator 132 supports the flexible circuit board 133.
- the flexible circuit board 133 is electrically connected to the main board 131.
- the antenna radiator 132 is located between the flexible circuit board 133 and the camera body 12.
- the antenna radiator 132 can serve as a reinforcing plate for the flexible circuit board 133.
- the antenna radiator 132 can radiate a wireless signal, and can support the flexible circuit board 133.
- the antenna radiator 132 and the reinforcing board of the flexible circuit board 133 are combined, so that it is not necessary to provide mutually independent antenna radiators 132 and flexible circuit boards 133.
- the reinforcing plate, the antenna assembly 13 occupies a small space, spatial multiplexing, high integration, compact structure, and is advantageous for miniaturization of cameras and the like.
- the antenna radiator 132 includes a first radiating portion 1321 supporting the flexible circuit board 133, a second radiating portion 1322 spaced apart from the first radiating portion 1321, and an end connecting the second radiating portion 1322 with the first A connecting portion 1323 of the radiation portion 1321.
- the first radiating portion 1321 extends along the top and side faces of the camera body 12.
- the first radiating portion 1321 includes a first substrate 1324, a second substrate 1325 at an angle to the extending direction of the first substrate 1324, and a third substrate 1326 connecting the first substrate 1324 and the second substrate 1325.
- the first substrate 1324 extends along the top surface of the camera body 12. In one embodiment, the first substrate 1324 is within the top surface of the camera body 12 without exceeding the edge of the top surface of the camera body 12.
- the second substrate 1325 extends along the side of the camera body 12.
- the second substrate 1325 is located on the right side surface of the camera body 12, and the second substrate 1325 is perpendicular to the first substrate 1324.
- the upper side edge of the second substrate 1325 is lower than the top surface of the camera body 12.
- the antenna radiator 132 is formed with a yield hole 1327.
- the landing hole 1327 is formed in the second substrate 1325.
- the yield hole 1327 can be rectangular. In other embodiments, the relief aperture 1327 can be circular or otherwise shaped.
- the third substrate 1326 extends generally along the top surface of the camera body 12, adjacent the top surface of the camera body 12 as compared to the first substrate 1324.
- the side edge of the third substrate 1326 is beyond the right side surface of the camera body 12 and is connected to the second substrate 1325.
- the junction of the third substrate 1326 and the first substrate 1324 has a circular arc surface transition
- the junction of the third substrate 1326 and the second base 1325 has a circular arc surface transition.
- the width of the third substrate 1326 is smaller than the width of the first substrate 1324 and smaller than the width of the second substrate 1325.
- the first substrate 1324 protrudes away from the main board 131 with respect to the third substrate 1326.
- the second substrate 1325 protrudes in a direction toward the main board 131 with respect to the third substrate 1326.
- the second radiating portion 1322 is located on a side of the first radiating portion 1321 near the main board 131. In the illustrated embodiment, the second radiating portion 1322 is located outside of the flexible circuit board 133.
- the second radiating portion 1322 has an elongated shape. In the illustrated embodiment, the second radiating portion 1322 extends along the side of the third substrate 1326 toward the second substrate 1325. The second radiating portion 1322 is spaced apart from the third substrate 1326 and spaced apart from the second substrate 1325. The second radiating portion 1322 forms an "L"-shaped space between the third substrate 1326 and the second substrate 1325. In one embodiment, the second radiating portion 1322 is bent from the connecting portion 1323 toward the top surface of the camera body 12, and then extends to the right side surface of the camera body 12 and extends beyond the right side surface of the camera body 12.
- connection portion 1323 is located outside of the flexible circuit board 133.
- the connecting portion 1323 extends from the front side edge of the first substrate 1321 toward the main board 131, and connects the second radiating portion 1322.
- the connecting portion 1323 is flush with the first substrate 1321 and extends along the top surface of the camera body 12.
- the antenna radiator 132 includes a feeding end 1328 extending from one end of the second radiating portion 1322 and the connecting portion 1323, and the feeding end 1328 is electrically connected to the main board 131.
- the feed end 1328 can be electrically connected to the RF signal output end of the RF chip 1313 on the main board 131.
- the feed end 1328 can be electrically coupled to the RF signal output of the RF chip 1313 via the inner conductor or leg 134 of the feed line.
- the feed end 1328 is bent and extended relative to the connecting portion 1323.
- the feed end 1328 extends substantially perpendicular to the connecting portion 1323 to the top surface of the camera body 12.
- the feed end 1328 is located outside of the flexible circuit board 133.
- the antenna radiator 132 includes an extension 1329 extending from the first radiating portion 1321, the extension 1329 being located outside of the flexible circuit board 133.
- the extension 1329 extends from the first substrate 1324 of the first radiating portion 1321 in a direction away from the third substrate 1326.
- the extension portion 1329 and the third substrate 1326 are located on opposite sides of the first substrate 1324, respectively located on the left side and the right side of the first substrate 1324.
- the extension 1329 extends along the top surface of the camera body 12, closer to the top surface of the camera body 12 than the first substrate 1324.
- the junction of the extension 1329 and the first substrate 1324 has a circular arc surface transition.
- the extending portion 1329 is provided with a through hole 1320 that can be engaged with the plastic body supporting the antenna radiator 132. One or more through holes 1320 may be opened.
- the flexible circuit board 133 is attached to the antenna radiator 132 and extends from the front side of the antenna radiator 132 to the main board 131, and can be electrically connected to a connector (not shown) mounted on the front side of the main board 131.
- the flexible circuit board 133 is mounted with a button 1331 protruding from a side surface of the flexible circuit board 133 facing away from the antenna radiator 132.
- the button 1331 is located above the first substrate 1324 and protrudes from the top surface of the flexible circuit board 133.
- a microphone 1332 is mounted on the flexible circuit board 133, and the microphone 1332 is protruded from a side surface of the flexible circuit board 133 facing away from the antenna radiator 132.
- the microphone 1332 is located outside the second substrate 1325 and protrudes from the right side surface of the flexible circuit board 133.
- the microphone 1332 is located at a position where the flexible circuit board 133 corresponds to the yielding hole 1327 of the second substrate 1325.
- a microphone chip (not shown) is connected to the back surface of the microphone 1332, and the bit hole 1327 is used to give way to the microphone chip, so that the structure is more compact.
- the shape of the yield hole 1327 can be identical to the shape of the microphone chip.
- other components may also be disposed on the flexible circuit board 133.
- the shape and structure of the antenna radiator 132 of the antenna assembly 13 can be designed according to the requirements of radiating radio frequency signals of different frequencies and/or the cooperation of the antenna radiator and its surrounding components in practical applications.
- the camera 10 can be used with a drone that utilizes the camera 10 for aerial photography and the like. Of course, the camera 10 can also be used on other devices or used independently.
- FIG. 4 is a diagram showing the return loss of the antenna assembly 13 of the embodiment shown in FIGS. 1-3.
- the antenna assembly 13 has a resonance at 2.3 GHz, 4.3 GHz and 6.5 GHz, respectively.
- FIG. 5 shows a radiation efficiency diagram of the antenna assembly 13. It can be seen from Fig. 5 that the radiation efficiency of the antenna assembly 13 at the resonance point shown in Fig. 4 is about 1 dB, the radiation efficiency is more than 90%, and the performance of the antenna assembly 13 is good.
- Figure 6 shows a 3D directional radiation pattern of the antenna assembly 13 at low frequencies with a frequency of 2.6 GHz.
- Figure 7 shows a 3D directional radiation pattern of the antenna assembly 13 at high frequencies at a frequency of 5.6 GHz.
- the antenna radiator 132 of the antenna assembly 13 radiates in a three-dimensional direction of the space, and the radiation space is substantially spherical, which satisfies the need for a device such as a camera to radiate signals in various directions.
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Abstract
本申请公开一种天线组件和包括天线组件的相机。该天线组件包括主板、天线辐射体和柔性电路板。天线辐射体与主板电连接。柔性电路板贴设于天线辐射体的表面,天线辐射体支撑柔性电路板。
Description
本申请涉及通讯技术领域,特别涉及一种天线组件及包括天线组件的相机。
随着无线通讯越来越广泛地应用,天线组件在很多设备中被用来实现无线信号传输。现有一些设备在其内部专门设计用于无线连接的天线组件,天线组件的辐射体和其他器件需要保持一定距离,如此天线组件占用较大的空间,从而不利于设备小型化,集成度不高且结构不紧凑。
发明内容
本申请提供一种集成度高且结构紧凑的无线组件和包括无线组件的相机。
根据本申请实施例的一个方面,提供一种天线组件包括:主板;天线辐射体,与所述主板电连接;及柔性电路板,贴设于所述天线辐射体的表面,所述天线辐射体支撑所述柔性电路板。
根据本申请实施例的另一个方面,提供一种相机包括:外壳;相机主体,安装于所述外壳内;及天线组件,安装于所述相机主体上,包括:主板;天线辐射体,与所述主板电连接,且固定安装于所述相机主体;及柔性电路板,贴设于所述天线辐射体的表面,所述天线辐射体支撑所述柔性电路板。
本申请的天线辐射体可以用来支撑柔性电路板,作为柔性电路板的补强板,如此天线组件占用的空间小,集成度高且结构紧凑。
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1是本申请相机的一个实施例的局部立体示意图。
图2是图1所示的相机的天线组件的主板和天线辐射体的立体示意图。
图3是图2所示的主板和天线辐射体的正视图。
图4是天线组件的回波损耗波形图。
图5是天线组件的辐射效率波形图。
图6是天线组件的3D方向辐射图。
图7是天线组件的另一频率下的3D方向辐射图。
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本申请相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本申请的一些方面相一致的装置和方法的例子。
在本申请使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本申请。在本申请和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。除非另行指出,“前部”、“后部”、“下部”和/或“上部”等类似词语只是为了便于说明,而并非限于一个位置或者一种空间定向。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接,而且可以包括电性的连接,不管是直接的还是间接的。
本申请实施例的天线组件包括主板、天线辐射体和柔性电路板。天线辐射体与主板电连接。柔性电路板贴设于天线辐射体的表面,天线辐射体支撑柔性电路板。天线辐射体可以用来支撑柔性电路板,作为柔性电路板的补强板,如此天线组件占用的空间小,集成度高且结构紧凑。
本申请实施例的相机包括外壳、相机主体和天线组件。相机主体安装于外壳内。天线组件安装于相机主体上。天线组件包括主板、天线辐射体和柔性电路板。天线辐射体与主板电连接。柔性电路板贴设于天线辐射体的表面,天线辐射体支撑柔性电路板。天线辐射体可以用来支撑柔性电路板,作为柔性电路板的补强板,如此天线组件占用的空间小,集成度高且结构紧凑,相机内部空间复用,又利于相机的小型化。
下面结合附图,对本申请的天线组件和相机进行详细说明。在不冲突的情况下,下述的实施例及实施方式中的特征可以相互组合。
图1所示为相机10的一个实施例的局部立体图。图1示出相机10内部的部分元件。相机10包括外壳11、相机主体12和天线组件13。天线组件13可以用于相机10中,还可以用于平板电脑或其他需要无线通讯的设备。在一个实施例中,相机10可以是运动相机。
外壳11可以采用金属材料,例如铝合金。图1中仅示出外壳11的后盖,前盖、上盖和底盖拆除,未图示。相机主体12安装于外壳11内。相机主体12可以安装有显示屏14,显示屏14嵌入外壳11的呈矩形框的后盖内。在一些实施例中,相机主体12可以安装散光灯、快门单元、图像感应器、数字图像处理器等。外壳11内还可安装电池、存储卡等。
天线组件13安装于相机主体12上,包括主板131、天线辐射体132和柔性电路板133。天线组件13用来发射和接收电磁波,实现与其他设备的无线通讯。本实施例中的天线组件13为内置天线组件,位于相机10的外壳11内。天线组件13可以包括WiFi天线、蓝牙天线、3G/4G天线或GPS单级天线。
图2所示为天线组件13的主板131和天线辐射体132的立体示意图,图3所示为图2所示的主板131和天线辐射体132的正视图。请参考图1-3,在图示实施例中,主板131安装于相机主体12的前侧面。主板131包括印刷电路板1311和安装于印刷电路板1311上的射频电路1312。射频电路1312产生射频信号,与天线辐射体132电连接。射频电路1312可以包括射频芯片1313,射频芯片1313与天线辐射体132电连接。射频芯片1313提供射频信号,天线辐射体132将射频信号辐射出去。
在一个实施例中,射频芯片1313的射频信号输出端通过弹脚134与天线辐射体132电连接。在一个实施例中,射频芯片1313通过馈线(如同轴线等)与天线辐射体132电连接,通过馈线将射频信号传输给天线辐射体132。馈线的内导体(如同轴线的内芯)电连接射频芯片1313的射频信号输出端和天线辐射体132,外导体(如同轴线的外皮)接地。外导体可 以连接至射频芯片1313的接地端,射频芯片1313的接地端连接至印刷电路板1311的接地线。或者外导体可以直接连接至印刷电路板1311的接地线。
在图示实施例中,射频芯片1313安装于印刷电路板1311面向相机主体12的一侧面,即印刷电路板1311的后侧面。射频电路1312还可以包括与射频芯片1313电连接的其他元器件。主板131还可包括安装于印刷电路板1311上的其他电路元件,例如图像处理电路。
天线辐射体132与主板131电连接。在图示实施例中,天线辐射体132为平板天线辐射体,固定安装于相机主体12上。天线辐射体132为金属板,可以固定于塑胶体(未图示),与塑胶体一起安装于相机主体12。塑胶体可以对天线辐射体132具有支撑作用,保证天线辐射体132的结构稳定。
柔性电路板133贴设于天线辐射体132的表面,天线辐射体132支撑柔性电路板133。柔性电路板133与主板131电连接。天线辐射体132位于柔性电路板133和相机主体12之间。天线辐射体132可以作为柔性电路板133的补强板。天线辐射体132即可以辐射无线信号,又可以支撑柔性电路板133,天线辐射体132和柔性电路板133的补强板二合一,如此无需设置相互独立的天线辐射体132和柔性电路板133的补强板,天线组件13占用的空间小,空间复用,集成度高,结构紧凑,有利于相机等设备的小型化。
在图示实施例中,天线辐射体132包括支撑柔性电路板133的第一辐射部1321、与第一辐射部1321间隔设置的第二辐射部1322和连接第二辐射部1322的一端与第一辐射部1321的连接部1323。
在图示实施例中,第一辐射部1321沿相机主体12的顶面和侧面延伸。第一辐射部1321包括第一基板1324、与第一基板1324延伸方向成角 度的第二基板1325和连接第一基板1324和第二基板1325的第三基板1326。在图示实施例中,第一基板1324沿相机主体12的顶面延伸。在一个实施例中,第一基板1324在相机主体12的顶面内,未超出相机主体12顶面的边缘。
在图示实施例中,第二基板1325沿相机主体12的侧面延伸。第二基板1325位于相机主体12的右侧面,第二基板1325垂直于第一基板1324。在一个实施例中,第二基板1325的上侧缘低于相机主体12的顶面。天线辐射体132形成有让位孔1327。在图示实施例中,让位孔1327形成于第二基板1325。让位孔1327可以呈矩形。在其他实施例中,让位孔1327可以呈圆形或其他形状。
在图示实施例中,第三基板1326大致沿相机主体12的顶面延伸,相比较于第一基板1324靠近相机主体12的顶面。第三基板1326的侧边缘超出相机主体12的右侧面,与第二基板1325连接。在图示实施例中,第三基板1326和第一基板1324的连接处呈圆弧面过渡,第三基板1326和第二基本1325的连接处呈圆弧面过渡。第三基板1326的宽度小于第一基板1324的宽度,且小于第二基板1325的宽度。第一基板1324相对于第三基板1326向远离主板131的方向凸伸。第二基板1325相对于第三基板1326向靠近主板131的方向凸伸。
第二辐射部1322位于第一辐射部1321靠近主板131的一侧。在图示实施例中,第二辐射部1322位于柔性电路板133外。第二辐射部1322呈长条状。在图示实施例中,第二辐射部1322沿第三基板1326的侧边向第二基板1325延伸,第二辐射部1322与第三基板1326间隔设置,且与第二基板1325间隔设置。第二辐射部1322与第三基板1326和第二基板1325之间形成“L”形间隔。在一个实施例中,第二辐射部1322从连接部1323向相机主体12顶面弯折,再向相机主体12右侧面延伸,并延伸超出相机主体12的右侧面。
在图示实施例中,连接部1323位于柔性电路板133外。连接部1323从第一基板1321的前侧缘向主板131延伸,连接第二辐射部1322。在图示实施例中,连接部1323与第一基板1321平齐,沿相机主体12的顶面延伸。
天线辐射体132包括从第二辐射部1322和连接部1323连接的一端延伸出的馈入端1328,馈入端1328与主板131电连接。馈入端1328可以与主板131上的射频芯片1313的射频信号输出端电连接。馈入端1328可以通过馈线的内导体或弹脚134与射频芯片1313的射频信号输出端电连接。在图示实施例中,馈入端1328相对于连接部1323弯折延伸。馈入端1328大致垂直于连接部1323,向相机主体12的顶面延伸。在图示实施例中,馈入端1328位于柔性电路板133外。
在图示实施例中,天线辐射体132包括从第一辐射部1321延伸出的延伸部1329,延伸部1329位于柔性电路板133外。在图示实施例中,延伸部1329从第一辐射部1321的第一基板1324向远离第三基板1326的方向延伸。延伸部1329和第三基板1326位于第一基板1324的相对两侧,分别位于第一基板1324的左侧和右侧。在图示实施例中,延伸部1329沿相机主体12的顶面延伸,较第一基板1324靠近相机主体12的顶面。在图示实施例中,延伸部1329和第一基板1324的连接处呈圆弧面过渡。在图示实施例中,延伸部1329上开设有通孔1320,可以与支撑天线辐射体132的塑胶体卡持。可以开设一个或多个通孔1320。
在一个实施例中,柔性电路板133贴设于天线辐射体132,且从天线辐射体132的前侧向主板131延伸,可以与主板131的前侧面安装的连接器(未图示)电连接。在图示实施例中,柔性电路板133上安装有按键1331,按键1331凸设于柔性电路板133背向天线辐射体132的一侧表面。按键1331位于第一基板1324上方,凸伸于柔性电路板133的顶面。
在图示实施例中,柔性电路板133上安装有麦克风1332,麦克风1332 凸设于柔性电路板133背向天线辐射体132的一侧表面。麦克风1332位于第二基板1325的外侧,凸伸于柔性电路板133的右侧面。在图示实施例中,麦克风1332位于柔性电路板133对应第二基板1325的让位孔1327的位置。麦克风1332的背面连接有麦克风芯片(未图示),让位孔1327给麦克风芯片让位,使结构更紧凑。让位孔1327的形状可以与麦克风芯片的形状一致。在一些实施例中,柔性电路板133上还可设置其他元器件。
上述仅是天线组件13的例子,但不限于上述的例子。在一些实施例中,天线组件13的天线辐射体132的形状、结构可以根据实际应用中辐射不同频率的射频信号和/或天线辐射体与其周围元件的配合的需求等来设计。在一些实施例中,相机10可以用于无人机,无人机利用相机10进行航拍等。当然,相机10还可用于其他装置上,或独立使用。
图4所示为图1-3所示实施例的天线组件13的回波损耗图。从图4可以看出,天线组件13在2.3GHz、4.3GHz和6.5GHz处各有一个谐振。图5所示为天线组件13的辐射效率图。从图5可以看出天线组件13在图4所示的谐振点处的辐射效率在1dB左右,辐射效率大于90%,天线组件13的性能良好。
图6所示为天线组件13在低频时的3D方向辐射图,频率为2.6GHz。图7所示为天线组件13在高频下的3D方向辐射图,频率为5.6GHz。从图6和图7可以看出,天线组件13的天线辐射体132向空间的三维方向上辐射,辐射空间大致呈球形,满足相机等设备向各个方向辐射信号的需求。
需要说明的是,在本文中,诸如“第一”和“第二”等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、 物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上对本发明实施例所提供的方法和装置进行了详细介绍,本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明的方法及其核心思想;同时,对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。
本专利文件披露的内容包含受版权保护的材料。该版权为版权所有人所有。版权所有人不反对任何人复制专利与商标局的官方记录和档案中所存在的该专利文件或者该专利披露。
Claims (28)
- 一种天线组件,其特征在于,其包括:主板;天线辐射体,与所述主板电连接;及柔性电路板,贴设于所述天线辐射体的表面,所述天线辐射体支撑所述柔性电路板。
- 根据权利要求1所述的天线组件,其特征在于,所述天线辐射体包括支撑所述柔性电路板的第一辐射部、与所述第一辐射部间隔设置的第二辐射部和连接所述第二辐射部的一端与所述第一辐射部的连接部。
- 根据权利要求2所述的天线组件,其特征在于,所述第二辐射部位于所述柔性电路板外。
- 根据权利要求2所述的天线组件,其特征在于,所述第二辐射部呈长条状。
- 根据权利要求2所述的天线组件,其特征在于,所述天线辐射体包括从所述第二辐射部和所述连接部连接的一端延伸出的馈入端,所述馈入端与所述主板电连接。
- 根据权利要求5所述的天线组件,其特征在于,所述馈入端相对于所述连接部弯折延伸。
- 根据权利要求5所述的天线组件,其特征在于,所述馈入端位于所述柔性电路板外。
- 根据权利要求2所述的天线组件,其特征在于,所述第一辐射部包括第一基板、与所述第一基板延伸方向成角度的第二基板和连接所述第一基板和所述第二基板的第三基板。
- 根据权利要求8所述的天线组件,其特征在于,所述第二辐射部沿所述第三基板的侧边向所述第二基板延伸,所述第二辐射部与所述第三基板间隔设置,且与所述第二基板间隔设置。
- 根据权利要求2所述的天线组件,其特征在于,所述天线辐射体包括从所述第一辐射部延伸出的延伸部,所述延伸部位于所述柔性电路板外。
- 根据权利要求1所述的天线组件,其特征在于,所述柔性电路板上安装有按键,所述按键凸设于所述柔性电路板背向所述天线辐射体的一侧表面。
- 根据权利要求1所述的天线组件,其特征在于,所述柔性电路板上安装有麦克风,所述麦克风凸设于所述柔性电路板背向所述天线辐射体的一侧表面。
- 根据权利要求12所述的天线组件,其特征在于,所述天线辐射体形成有让位孔,所述麦克风位于所述柔性电路板对应所述让位孔的位置。
- 根据权利要求14所述的天线组件,其特征在于,所述让位孔呈矩形。
- 一种相机,其特征在于,其包括:外壳;相机主体,安装于所述外壳内;及天线组件,安装于所述相机主体上,包括:主板;天线辐射体,与所述主板电连接,且固定安装于所述相机主体;及柔性电路板,贴设于所述天线辐射体的表面,所述天线辐射体支撑所述柔性电路板。
- 根据权利要求15所述的相机,其特征在于,所述天线辐射体包括支撑所述柔性电路板的第一辐射部、与所述第一辐射部间隔设置的第二辐射部和连接所述第二辐射部的一端与所述第一辐射部的连接部。
- 根据权利要求16所述的相机,其特征在于,所述第二辐射部位于所述柔性电路板外。
- 根据权利要求16所述的相机,其特征在于,所述第二辐射部呈长条状。
- 根据权利要求16所述的相机,其特征在于,所述天线辐射体包括从所述第二辐射部和所述连接部连接的一端延伸出的馈入端,所述馈入端与所述主板电连接。
- 根据权利要求19所述的相机,其特征在于,所述馈入端相对于所述连接部弯折延伸。
- 根据权利要求19所述的相机,其特征在于,所述馈入端位于所述柔性电路板外。
- 根据权利要求16所述的相机,其特征在于,所述第一辐射部包括第一基板、与所述第一基板延伸方向成角度的第二基板和连接所述第一基板和所述第二基板的第三基板。
- 根据权利要求22所述的相机,其特征在于,所述第二辐射部沿所述第三基板的侧边向所述第二基板延伸,所述第二辐射部与所述第三基板间隔设置,且与所述第二基板间隔设置。
- 根据权利要求16所述的相机,其特征在于,所述天线辐射体包括从所述第一辐射部延伸出的延伸部,所述延伸部位于所述柔性电路板外。
- 根据权利要求15所述的相机,其特征在于,所述柔性电路板上安装有按键,所述按键凸设于所述柔性电路板背向所述天线辐射体的一侧表面。
- 根据权利要求15所述的相机,其特征在于,所述柔性电路板上安装有麦克风,所述麦克风凸设于所述柔性电路板背向所述天线辐射体的一侧表面。
- 根据权利要求26所述的相机,其特征在于,所述天线辐射体形成有让位孔,所述麦克风位于所述柔性电路板对应所述让位孔的位置。
- 根据权利要求27所述的相机,其特征在于,所述让位孔呈矩形。
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- 2017-12-27 CN CN202110139277.2A patent/CN112886237A/zh not_active Withdrawn
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- 2017-12-27 WO PCT/CN2017/118969 patent/WO2019127091A1/zh active Application Filing
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CN115150533A (zh) * | 2022-06-16 | 2022-10-04 | 杭州海康威视数字技术股份有限公司 | 一种布控球 |
CN115150533B (zh) * | 2022-06-16 | 2024-05-03 | 杭州海康威视数字技术股份有限公司 | 一种布控球 |
Also Published As
Publication number | Publication date |
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CN108780943B (zh) | 2021-03-05 |
CN112886237A (zh) | 2021-06-01 |
CN108780943A (zh) | 2018-11-09 |
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