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CN116315655A - Antenna and electronic equipment - Google Patents

Antenna and electronic equipment
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Publication number
CN116315655A
CN116315655ACN202310240208.XACN202310240208ACN116315655ACN 116315655 ACN116315655 ACN 116315655ACN 202310240208 ACN202310240208 ACN 202310240208ACN 116315655 ACN116315655 ACN 116315655A
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antenna
substrate
antenna radiator
radiating
radiation
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Chinese (zh)
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徐佳迪
刘彬
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Goertek Inc
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Goertek Inc
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Abstract

The invention discloses an antenna and an electronic device, wherein the antenna comprises: the substrate comprises a feed point and a grounding point; the antenna radiator comprises two radiating units which are electrically connected with each other, each radiating unit comprises a feed supporting part and a grounding supporting part, and each radiating unit is fixedly arranged on a substrate through the feed supporting part and is electrically connected with a feed point of the substrate; and fixedly mounted on the substrate through the grounding support portion and electrically connected with the grounding point of the substrate.

Description

Translated fromChinese
天线及电子设备Antennas and Electronics

技术领域technical field

本发明涉及天线技术领域,特别涉及一种天线及电子设备。The invention relates to the technical field of antennas, in particular to an antenna and electronic equipment.

背景技术Background technique

单馈电天线只有在单一频率的共振时才会循环,当载波一旦离开单一频率的共振时,天线将会越来越多的出现这个天线上。例如由于带宽的不足导致Wi-Fi天线和GPS天线同时接收到信号时,天线同时也会接收到多路径信号,这些信号也是椭圆的,导致天线存在干扰,在统计上不准确,导致天线的精度下降。The single-feed antenna will only cycle when it resonates at a single frequency. Once the carrier leaves the resonance of a single frequency, the antenna will appear more and more on this antenna. For example, due to insufficient bandwidth, when the Wi-Fi antenna and the GPS antenna receive signals at the same time, the antenna will also receive multi-path signals. decline.

发明内容Contents of the invention

本发明的主要目的是提出一种天线及电子设备,旨在提高天线的精度。The main purpose of the present invention is to provide an antenna and electronic equipment, aiming at improving the precision of the antenna.

为实现上述目的,本发明提出一种天线,所述天线包括:In order to achieve the above object, the present invention proposes an antenna, which includes:

基板,所述基板包括馈电点和接地点;a substrate including a feed point and a ground point;

天线辐射体,所述辐射体包括相互电连接的两个辐射单元,每一所述辐射单元均包括一馈电支撑部及一接地支撑部,各所述辐射单元分别通过所述馈电支撑部固定安装于所述基板上,并与所述基板的馈电点电连接;以及通过所述接地支撑部固定安装于所述基板上,并与所述基板的接地点电连接。The antenna radiator, the radiator includes two radiating units electrically connected to each other, each of the radiating units includes a feeding support part and a grounding support part, and each of the radiating units passes through the feeding support part fixedly installed on the substrate and electrically connected to the feed point of the substrate; and fixedly installed on the substrate through the ground support part and electrically connected to the ground point of the substrate.

可选地,每一所述辐射单元还包括:Optionally, each of the radiating units also includes:

天线辐射体枝节,所述天线辐射体枝节沿垂直于所述基板的方向设置。An antenna radiator branch, where the antenna radiator branch is arranged along a direction perpendicular to the substrate.

可选地,所述天线辐射体枝节与所述基板间隔设置。Optionally, the antenna radiator branch is spaced apart from the substrate.

可选地,所述基板对应所述天线辐射体枝节位置呈镂空设置;Optionally, the substrate is hollowed out corresponding to the position of the branch of the antenna radiator;

或者,所述基板对应所述天线辐射体枝节位置设置有凹槽。Alternatively, the substrate is provided with grooves corresponding to the positions of the branches of the antenna radiator.

可选地,每一所述辐射单元对应所述天线辐射体枝节的位置至少开设有一缺口。Optionally, each of the radiating units has at least one gap at a position corresponding to the branch of the antenna radiator.

可选地,两个所述辐射单元均包括辐射本体,其中一个所述辐射单元的辐射本体沿垂直于所述基板的方向设置;Optionally, both of the radiation units include a radiation body, and the radiation body of one of the radiation units is arranged along a direction perpendicular to the substrate;

另一个所述辐射单元的辐射本体沿平行于所述基板的方向设置。The radiation body of the other radiation unit is arranged along a direction parallel to the substrate.

可选地,每一辐射本体均设置有一开口。Optionally, each radiation body is provided with an opening.

可选地,两个所述辐射单元中,其中一个所述辐射单元的工作频段包括2400MHz-2500MHz、5150MHz-5850Mhz;Optionally, among the two radiating units, the working frequency band of one of the radiating units includes 2400MHz-2500MHz, 5150MHz-5850Mhz;

另一个所述辐射单元的工作频段包括6Ghz-9GHz。The working frequency band of another radiating unit includes 6Ghz-9GHz.

可选地,所述基板包括:Optionally, the substrate includes:

介质基板,所述介质基板的两侧表面铺设有导电层,两侧表面的导电层通过通孔电连接。A dielectric substrate, where conductive layers are laid on both sides of the dielectric substrate, and the conductive layers on both sides are electrically connected through through holes.

本发明还提出一种电子设备,包括如上所述的天线。The present invention also proposes an electronic device, including the above-mentioned antenna.

本发明通过将天线辐射体设置为相互电连接的两个辐射单元,每一辐射单元均包括一馈电支撑部及一接地支撑部,各辐射单元分别通过所述馈电支撑部固定安装于基板上,并与基板的馈电点电连接;以及通过接地支撑部固定安装于基板上,并与基板的接地点电连接。相较于对于单馈电的天线很难满足其工作带宽,及时满足也不能保证天线在工作的时候受到多路径信号的排斥,本发明通过合理的走线方式,实现整个天线所需要的频段及带宽,相对于采用物理开关的天线频段切换。本发明无需其他外接开关,即可完成自适应切换,可以极大的提高整个带宽的循环响应。相对比于微带天线,本发明天线性能增益可以达到10dBi以上,其传输距离更远。本发明天线具有两个正向导向的双极,当每个偶极子的信号合为一路时,在一个信号的90度相位偏移后,可以增加整个天线的全带宽循环响应,可以很大程度上提高对多路径信号的排斥,因此相比单馈电天线的精度较高。In the present invention, the antenna radiator is arranged as two radiating units electrically connected to each other, each radiating unit includes a feeding support part and a grounding supporting part, and each radiating unit is fixedly installed on the substrate through the feeding supporting part and electrically connected to the feed point of the substrate; and fixedly installed on the substrate through the ground support part, and electrically connected to the ground point of the substrate. Compared with the single-feed antenna, it is difficult to meet its working bandwidth, and timely satisfaction cannot guarantee that the antenna will be rejected by multi-path signals when it is working. The present invention realizes the frequency band and bandwidth required by the entire antenna through a reasonable routing method. Bandwidth, as opposed to antenna band switching using a physical switch. The present invention can complete self-adaptive switching without other external switches, and can greatly improve the cyclic response of the entire bandwidth. Compared with the microstrip antenna, the performance gain of the antenna of the present invention can reach more than 10dBi, and its transmission distance is longer. The antenna of the present invention has two forward-guiding dipoles. When the signals of each dipole are combined into one, after a 90-degree phase shift of one signal, the full-bandwidth cyclic response of the entire antenna can be increased, which can be very large. To a certain extent, the rejection of multipath signals is improved, so the accuracy is higher than that of single-feed antennas.

附图说明Description of drawings

为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术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的前提下,还可以根据这些附图示出的结构获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative effort.

图1为本发明天线一实施例的结构示意图;Fig. 1 is a structural schematic diagram of an embodiment of the antenna of the present invention;

图2为本发明天线另一视角的结构示意图;Fig. 2 is a structural schematic diagram of another viewing angle of the antenna of the present invention;

图3为图1中天线辐射体一实施例的结构示意图;Fig. 3 is a schematic structural diagram of an embodiment of the antenna radiator in Fig. 1;

图4为图1中天线辐射体另一视角的结构示意图;Fig. 4 is a structural schematic diagram of another viewing angle of the antenna radiator in Fig. 1;

图5为本发明天线的回波损耗曲线图;Fig. 5 is the return loss curve figure of antenna of the present invention;

图6为本发明双馈天线性能曲线图。Fig. 6 is a performance curve diagram of the double-fed antenna of the present invention.

附图标号说明:Explanation of reference numbers:

标号label名称name标号label名称name100100基板Substrate221221第二馈电支撑部Second feed support200200天线辐射体antenna radiator222222第二接地支撑部second ground support210210第一辐射单元first radiating unit230230第一天线辐射体枝节Firstantenna radiator stub211211第一馈电支撑部first feeder support240240第二天线辐射体枝节secondantenna radiator stub212212第一接地支撑部first ground support250250避让结构avoidance structure220220第二辐射单元second radiating unit

本发明目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

具体实施方式Detailed ways

下面将结合本发明实施例中的附图,对本发明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发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

需要说明,若本发明实施例中有涉及方向性指示(诸如上、下、左、右、前、后……),则该方向性指示仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等,如果该特定姿态发生改变时,则该方向性指示也相应地随之改变。It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

另外,若本发明实施例中有涉及“第一”、“第二”等的描述,则该“第一”、“第二”等的描述仅用于描述目的,而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外,各个实施例之间的技术方案可以相互结合,但是必须是以本领域普通技术人员能够实现为基础,当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在,也不在本发明要求的保护范围之内。In addition, if there are descriptions involving "first", "second" and so on in the embodiments of the present invention, the descriptions of "first", "second" and so on are only for descriptive purposes, and should not be interpreted as indicating or implying Its relative importance or implicitly indicates the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

本文中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。The term "and/or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations. In addition, the character "/" in this article generally indicates that the contextual objects are an "or" relationship.

本发明提出一种天线,应用于电子设备中。The invention provides an antenna, which is applied to electronic equipment.

参照图1,在本发明一实施例中,该天线包括:Referring to Fig. 1, in one embodiment of the present invention, the antenna includes:

基板100,所述基板100包括馈电点和接地点;Asubstrate 100, thesubstrate 100 including a feed point and a ground point;

天线辐射体200,所述天线辐射体200包括相互电连接的两个辐射单元,每一所述辐射单元均包括一馈电支撑部及一接地支撑部,各所述辐射单元分别通过所述馈电支撑部固定安装于所述基板100上,并与所述基板100的馈电点电连接;以及通过所述接地支撑部固定安装于所述基板100上,并与所述基板100的接地点电连接。Theantenna radiator 200, theantenna radiator 200 includes two radiating units electrically connected to each other, each of the radiating units includes a feeding support part and a grounding supporting part, and each of the radiating units passes through the feeding The electric support part is fixedly installed on thesubstrate 100 and is electrically connected to the feed point of thesubstrate 100; electrical connection.

本实施例中,两个辐射单元分别为第一辐射单元210和第二辐射单元220,其中第一辐射单元210用于实现WiFi天线功能,第二辐射单元220用于实现UWB天线功能,两个所述辐射单元中,第一辐射单元210的工作频段包括2400MHz-2500MHz、5150MHz-5850Mhz;第二辐射单元220的工作频段包括6Ghz-9GHz。两个天线辐射单体之间可以一体成型设置,即天线辐射体200可以为一个整体结构,采用冲压、弯折等工艺形成两个辐射单元的形状。或者,两个分立的辐射单元之间通过导电胶、焊接工艺等实现固定、电连接。每个辐射单元均设置有一馈电支撑部及一接地支撑部,第一辐射单元210的馈电支撑部为第一馈电支撑部211,第一辐射单元210的接地支撑部为第一接地支撑部212,第一辐射单元210通过第一馈电支撑部211与设置于基板100上的馈电网络电连接,实现馈电,同时第一馈电支撑部211还用于固定支撑天线辐射体200,使天线辐射体200固定于基板100上,第一辐射单元210通过第一接地支撑部212与设置于基板100上的接地板电连接,实现接地,同时第一接地支撑部212还用于固定支撑天线辐射体200,使天线辐射体200固定于基板100上。第二辐射单元220的馈电支撑部为第二馈电支撑部221,第二辐射单元220的接地支撑部为第二接地支撑部222,第二辐射单元220通过第二馈电支撑部221与设置于基板100上的馈电网络电连接,实现馈电,同时第二馈电支撑部221还用于固定支撑天线辐射体200,使天线辐射体200固定于基板100上,第二辐射单元220通过第二接地支撑部222与设置于基板100上的接地板电连接,实现接地,同时第二接地支撑部222还用于固定支撑天线辐射体200,使天线辐射体200固定于基板100上。In this embodiment, the two radiating units are respectively thefirst radiating unit 210 and thesecond radiating unit 220, wherein thefirst radiating unit 210 is used to realize the function of a WiFi antenna, and thesecond radiating unit 220 is used to realize the function of a UWB antenna. Among the radiation units, the working frequency band of thefirst radiation unit 210 includes 2400MHz-2500MHz, 5150MHz-5850Mhz; the working frequency band of thesecond radiation unit 220 includes 6Ghz-9GHz. The two antenna radiating elements can be integrally formed, that is, theantenna radiating body 200 can be an integral structure, and the shape of the two radiating elements can be formed by stamping, bending and other processes. Alternatively, the two discrete radiation units are fixed and electrically connected through conductive glue, welding process, and the like. Each radiating unit is provided with a feed support part and a ground support part, the feed support part of thefirst radiating unit 210 is the firstfeed support part 211, and the ground support part of thefirst radiating unit 210 is the firstground support part 212, thefirst radiating unit 210 is electrically connected to the feed network provided on thesubstrate 100 through the firstfeed support part 211 to realize power feed, and the firstfeed support part 211 is also used to fix and support theantenna radiator 200 , theantenna radiator 200 is fixed on thesubstrate 100, and thefirst radiating unit 210 is electrically connected to the ground plate provided on thesubstrate 100 through the firstground support part 212 to realize grounding, and the firstground support part 212 is also used for fixing Theantenna radiator 200 is supported so that theantenna radiator 200 is fixed on thesubstrate 100 . The feeding support part of thesecond radiating unit 220 is the secondfeeding supporting part 221, the grounding supporting part of thesecond radiating unit 220 is the secondgrounding supporting part 222, and thesecond radiating unit 220 communicates with the secondfeeding supporting part 221 The feeding network arranged on thesubstrate 100 is electrically connected to realize feeding, and at the same time, the secondfeeding support part 221 is also used to fix and support theantenna radiator 200, so that theantenna radiator 200 is fixed on thesubstrate 100, and thesecond radiation unit 220 The secondground support part 222 is electrically connected to the ground plate provided on thesubstrate 100 to achieve grounding, and the secondground support part 222 is also used to fix and support theantenna radiator 200 so that theantenna radiator 200 is fixed on thesubstrate 100 .

天线辐射体200可以采用铜、铝、钢材等金属材料制得。天线辐射体200可以呈板状结构,天线辐射体200的外部轮廓可以呈圆形、方形或多边形。当然在其他实施例中,天线辐射体200的形状可以不限,仅需能形成双馈电的辐射体即可。馈电支撑部和接地支撑部可以用于固定支撑和连接天线辐射体200,本实施例可选采用导电胶、焊锡等材料将天线辐射体200固定在基板100上,并与设置在基板100上的馈电网络,接地板等电连接,以接入馈电信号。在本实施例中,天线辐射体200的整体外轮廓呈长方体设置,整个天线辐射体200尺寸为15mm*9mm*6mm。天线辐射体200可以采用钣金实现,通过冲压、弯折、切割等工艺,在钣金上形成两个辐射单元的本体、馈电支撑部及接地支撑部等,两个辐射单元由型材一体成型,制造简单,可以有效降低成本;而且一体成型的天线辐射体200可以具有较小的厚度,重量轻,有利于大规模生产;另外一体成型的天线辐射体200可以减少两个辐射单元之间的焊点,并且一体成型的天线辐射体200易于安装,有利于批量化生产和应用。在一实施例中,所述基板100包括介质基板100,所述介质基板100的两侧表面铺设有导电层,两侧表面的导电层通过通孔电连接。Theantenna radiator 200 may be made of metal materials such as copper, aluminum, and steel. Theantenna radiator 200 may be in the form of a plate, and the outer contour of theantenna radiator 200 may be circular, square or polygonal. Of course, in other embodiments, the shape of theantenna radiator 200 is not limited, and it only needs to be able to form a double-feed radiator. The feeding support part and the grounding support part can be used to fix support and connect theantenna radiator 200. In this embodiment, conductive glue, solder and other materials can be used to fix theantenna radiator 200 on thesubstrate 100, and be arranged on thesubstrate 100. Feed network, grounding plate and other electrical connections to access the feed signal. In this embodiment, the overall outer contour of theantenna radiator 200 is set as a cuboid, and the size of theentire antenna radiator 200 is 15mm*9mm*6mm. Theantenna radiator 200 can be realized by sheet metal. Through stamping, bending, cutting and other processes, the body, feeding support part and grounding support part of the two radiating units are formed on the sheet metal. The two radiating units are integrally formed by profiles , the manufacture is simple, and the cost can be effectively reduced; and the integrally formedantenna radiator 200 can have a small thickness and light weight, which is conducive to mass production; in addition, the integrally formedantenna radiator 200 can reduce the distance between two radiating elements solder joints, and the integrally formedantenna radiator 200 is easy to install, which is conducive to mass production and application. In one embodiment, thesubstrate 100 includes adielectric substrate 100 , conductive layers are laid on both sides of thedielectric substrate 100 , and the conductive layers on the two sides are electrically connected through through holes.

本实施例中,基板100可以采用PCB板或者具有一定介电常数的板材,例如环氧树脂、氧化硅等,本实施例可选为厚度0.7mm,RF4介质材质的基板100来实现,介质板本体具有相对设置的第一侧表面和第二侧表面,第一侧表面和第二侧表面均设置有导电层,两层导电层之间可以通过金属过孔,实现电连接。导电层可以采用铜等金属导体,或者其他非金属良导体材料制得。导电层可以是贴片形式设置于介质板本体上,也可以是经光刻刻蚀的镀层,例如导电层可以通过印制电路布线工艺的方式分别形成在介质板本体的两侧表面上。具体而言,可以通过覆铜和刻蚀的方式在介质板本体上形成导电层。或者,将设计成型的导电层贴设于介质板本体上,或者通过其他工艺压合至介质板本体上。导电层可以采用金属铜箔来实现,也可以采用其他金属材质或者非金属导电材质的材料来制得。其中,每层介质板本体的厚度、尺寸及形状可以根据实际应用产品及应用环境等进行设置,以满足不同的应用需求。在一具体实施例中,介质板本体的形状可以为方形,例如为长方形或者正方形。导电层可以用于设置天线的接地板及馈电网络,本实施例中,馈电网络可以采用微带线,CPW(共面波导)线路等来实现,馈电网络设置于基板100上,可以位于设置有天线辐射体200的一表面,也即于天线辐射体200同侧设置,并且馈电网络可以通过电路布线与天线辐射体200直接连接,也可以位于基板100的另一侧,此时馈电网络与天线辐射体200之间相对设置,并通过金属化过孔与天线辐射体200电连接。馈电网络至少具有两个馈电线,从天线辐射体200的两个馈电支撑部向天线辐射体200输出馈源,使得两条馈电线分别与两组天线辐射单元实现电连接,从而实现对天线辐射体200的激励。馈电网络的结构可根据天线辐射单元端口位置以及天线辐射体200的形状、大小、位置进行灵活的设计。根据接地板及馈电网络设置的设置位置不同,馈电支撑部及接地支撑部与基板100的固定连接方式也可以不同,例如馈电支撑部及接地支撑部可以贯穿基板100,与设置于远离天线辐射体200一侧表面的导电层固定电连接,或者馈电支撑部及接地支撑部可以通过导电胶与设置于靠近天线辐射体200一侧表面的导电层固定电连接。在天线应用于音响,VR,门铃、摄像头,路由器等电子设备时,还可以采用这些电子设备的主板来实现。In this embodiment, thesubstrate 100 can be a PCB board or a plate with a certain dielectric constant, such as epoxy resin, silicon oxide, etc., and this embodiment can be implemented as asubstrate 100 with a thickness of 0.7 mm and RF4 dielectric material. The dielectric board The main body has a first side surface and a second side surface opposite to each other. Both the first side surface and the second side surface are provided with a conductive layer, and the two conductive layers can be electrically connected through metal vias. The conductive layer can be made of metal conductors such as copper, or other non-metallic good conductor materials. The conductive layer can be placed on the dielectric board body in the form of a patch, or it can be a plating layer etched by photolithography. For example, the conductive layer can be formed on both sides of the dielectric board body by a printed circuit wiring process. Specifically, a conductive layer can be formed on the dielectric plate body by copper covering and etching. Alternatively, the designed conductive layer is pasted on the dielectric board body, or pressed onto the dielectric board body by other processes. The conductive layer can be realized by metal copper foil, or can be made by other metal materials or non-metal conductive materials. Among them, the thickness, size and shape of each dielectric plate body can be set according to the actual application product and application environment, so as to meet different application requirements. In a specific embodiment, the shape of the dielectric plate body may be square, such as a rectangle or a square. The conductive layer can be used to set the ground plate and the feed network of the antenna. In this embodiment, the feed network can be realized by using a microstrip line, a CPW (coplanar waveguide) line, etc., and the feed network is arranged on thesubstrate 100, which can be It is located on a surface where theantenna radiator 200 is arranged, that is, it is arranged on the same side of theantenna radiator 200, and the feed network can be directly connected to theantenna radiator 200 through circuit wiring, or it can be located on the other side of thesubstrate 100. At this time The feeding network is arranged opposite to theantenna radiator 200, and is electrically connected to theantenna radiator 200 through a metallized via hole. The feed network has at least two feed lines, and feeds are output from the two feed support parts of theantenna radiator 200 to theantenna radiator 200, so that the two feed lines are respectively electrically connected to two groups of antenna radiation elements, thereby realizing the Excitation of theantenna radiator 200 . The structure of the feeding network can be flexibly designed according to the port position of the antenna radiation unit and the shape, size and position of theantenna radiator 200 . According to the different installation positions of the grounding plate and the feeding network, the fixed connection methods of the feeding support part and the grounding support part and thesubstrate 100 can also be different. The conductive layer on the side surface of theantenna radiator 200 is fixed and electrically connected, or the feeding support part and the ground support part can be fixed and electrically connected to the conductive layer disposed on the side surface close to theantenna radiator 200 through conductive glue. When the antenna is used in audio, VR, doorbell, camera, router and other electronic equipment, it can also be realized by using the motherboard of these electronic equipment.

本发明通过将天线辐射体200设置为相互电连接的两个辐射单元,每一辐射单元均包括一馈电支撑部及一接地支撑部,各辐射单元分别通过所述馈电支撑部固定安装于基板100上,并与基板100的馈电点电连接;以及通过接地支撑部固定安装于基板100上,并与基板100的接地点电连接。相较于对于单馈电的天线很难满足其工作带宽,及时满足也不能保证天线在工作的时候受到多路径信号的排斥,本发明天线具有两个正向导向的双极,当每个偶极子的信号合为一路时,在一个信号的90度相位偏移后,可以增加整个天线的全带宽循环响应,可以很大程度上提高对多路径信号的排斥,因此相比单馈电天线的精度较高。通过合理的走线方式,实现整个天线所需要的频段及带宽,相对于采用物理开关的天线频段切换,本发明无需其他外接开关,即可完成自适应切换,可以极大的提高整个带宽的循环响应。如图5所示,图5为天线的回波损耗曲线图S11,其中201为WiFi2.4G&UWB回波损耗,202为WiFi5G回波损耗。横坐标为频率/吉赫(Frequency/MHz),纵坐标为S11(dB)。如图6所示,图6为双馈天线性能曲线图Gain,其中单位dBi,相对比与微带天线,本发明天线性能增益可以达到10dBi以上,其传输距离更远。In the present invention, theantenna radiator 200 is set as two radiating units electrically connected to each other, each radiating unit includes a feeding support part and a grounding supporting part, and each radiating unit is fixedly installed on the on thesubstrate 100 and electrically connected to the feed point of thesubstrate 100 ; Compared with the single-feed antenna, it is difficult to meet its working bandwidth, and timely satisfaction cannot guarantee that the antenna will be rejected by multipath signals when it is working. The antenna of the present invention has two forward-guided dipoles. When each pair When the signals of the poles are combined into one channel, after a 90-degree phase shift of one signal, the full-bandwidth cyclic response of the entire antenna can be increased, and the rejection of multi-path signals can be greatly improved, so compared with single-feed antennas The accuracy is higher. Through a reasonable routing method, the frequency band and bandwidth required by the entire antenna are realized. Compared with the antenna frequency band switching using a physical switch, the present invention can complete adaptive switching without other external switches, which can greatly improve the entire bandwidth cycle. response. As shown in Figure 5, Figure 5 is the return loss curve S11 of the antenna, where 201 is the return loss of WiFi2.4G&UWB, and 202 is the return loss of WiFi5G. The abscissa is frequency/GHz (Frequency/MHz), and the ordinate is S11 (dB). As shown in Fig. 6, Fig. 6 is a double-fed antenna performance curve Gain, where the unit is dBi. Compared with the microstrip antenna, the antenna performance gain of the present invention can reach more than 10dBi, and its transmission distance is longer.

在一实施例中,每一所述辐射单元还包括:In one embodiment, each radiating unit further includes:

天线辐射体枝节,所述天线辐射体枝节沿垂直于所述基板100的方向设置。An antenna radiator branch, the antenna radiator branch is arranged along a direction perpendicular to thesubstrate 100 .

本实施例中,每一个辐射单元设置有一个天线辐射体枝节,即第一天线辐射体枝节230和第二天线辐射体枝节240,第一天线辐射体枝节230用于控制Wi-Fi天线的枝节,第二天线辐射体枝节240则用于控制UWB天线枝节。两个天线辐射体枝节相对设置,进一步地,第二天线辐射体枝节240设置于第一天线辐射体枝节230正对位置,即两个天线辐射体枝节之间平行设置,第一天线辐射体枝节230位于天线辐射体200的一侧,第二天线辐射体枝节240则位于天线辐射体200的另一侧,两个天线辐射体枝节的形状和长度均不同,可以产生不同的谐振,即两个天线辐射体200可以产生谐振频率不同的辐射模式,有利于拓宽双馈天线的带宽。In this embodiment, each radiation unit is provided with an antenna radiator branch, that is, the firstantenna radiator branch 230 and the secondantenna radiator branch 240, and the firstantenna radiator branch 230 is used to control the Wi-Fi antenna branch , the secondantenna radiator stub 240 is used to control the UWB antenna stub. The two antenna radiator branches are arranged opposite to each other. Further, the secondantenna radiator branch 240 is arranged at the position facing the firstantenna radiator branch 230, that is, the two antenna radiator branches are arranged in parallel, and the firstantenna radiator branch 230 is located on one side of theantenna radiator 200, and the secondantenna radiator branch 240 is located on the other side of theantenna radiator 200. The shapes and lengths of the two antenna radiator branches are different, and different resonances can be generated, that is, two Theantenna radiator 200 can generate radiation modes with different resonant frequencies, which is beneficial to broaden the bandwidth of the doubly-fed antenna.

在一实施例中,所述天线辐射体枝节与所述基板100间隔设置。In one embodiment, the antenna radiator branches are spaced apart from thesubstrate 100 .

其中,所述基板100对应所述天线辐射体枝节位置呈镂空设置;Wherein, thesubstrate 100 is hollowed out corresponding to the position of the branch of the antenna radiator;

或者,所述基板100对应所述天线辐射体枝节位置设置有凹槽。Alternatively, thesubstrate 100 is provided with grooves corresponding to the positions of the branches of the antenna radiator.

本实施例中,基板100的一侧表面可以设有接地板,该接地板可以是金属地板,或者其他导电材质制得的接地板,该接地板为整个天线结构的公共地。金属接地板可以与天线辐射体200设置于基板100相对设置的两个表面,也可以与天线辐射体200之间设置于同一表面,当设置为同一表面时,天线辐射体200与接地板之间绝缘设置。天线辐射体枝节与基板100之间绝缘设置,为了避免天线辐射体枝节于接地板直接接触,在对应天线辐射体枝节处设有避让结构250,避让结构250可以为通孔或者凹槽,避让结构250使金属地与天线辐射体枝节不相连,实现金属地与天线辐射体200之间的绝缘设置。In this embodiment, a ground plate may be provided on one surface of thesubstrate 100, and the ground plate may be a metal plate or a ground plate made of other conductive materials, and the ground plate is a common ground of the entire antenna structure. The metal ground plate can be arranged on the two opposite surfaces of thesubstrate 100 with theantenna radiator 200, and can also be arranged on the same surface with theantenna radiator 200. Insulation set. The antenna radiator branch and thesubstrate 100 are insulated. In order to avoid the antenna radiator branch from directly contacting the ground plate, an avoidance structure 250 is provided at the corresponding antenna radiator branch. The avoidance structure 250 can be a through hole or a groove. The avoidance structure 250 makes the metal ground not connected to the branch of the antenna radiator, so as to realize the insulation between the metal ground and theantenna radiator 200 .

在一实施例中,每一所述辐射单元对应所述天线辐射体枝节的位置至少开设有一缺口。In one embodiment, each of the radiating units has at least one notch at a position corresponding to the branch of the antenna radiator.

第一天线辐射体枝节230设置于靠近第一馈电支撑部211的一侧,第一天线辐射体枝节230与天线辐射体200之间形成有一缝隙,即缺口。天线辐射体200的靠近馈电支撑部的一侧大致位于整个天线辐射体200的一端,第一天线辐射体枝节230与天线辐射体200相连接,并且第一天线辐射体枝节230从天线辐射体200向下弯折延伸形成。第二天线辐射体枝节240设置于远离第二馈电支撑部221的一端,第二天线辐射体枝节240与天线辐射体200之间形成狭长的一缝隙,即缺口。通过开设这条缝隙,能够增加第一天线辐射体枝节230的谐振,有利于拓宽天线的工作带宽,更好地满足天线频段的工作模态要求。The firstantenna radiator branch 230 is disposed on a side close to the firstfeeding support portion 211 , and a gap, that is, a gap, is formed between the firstantenna radiator branch 230 and theantenna radiator 200 . The side of theantenna radiator 200 close to the feeding support part is approximately located at one end of theentire antenna radiator 200, the firstantenna radiator branch 230 is connected to theantenna radiator 200, and the firstantenna radiator branch 230 is connected to theantenna radiator branch 230 from theantenna radiator 200 is formed by bending and extending downwards. The secondantenna radiator branch 240 is disposed at an end away from the secondfeeding support portion 221 , and a long and narrow gap, ie, a gap, is formed between the secondantenna radiator branch 240 and theantenna radiator 200 . By opening this gap, the resonance of the firstantenna radiator branch 230 can be increased, which is beneficial to broaden the working bandwidth of the antenna and better meet the working mode requirements of the antenna frequency band.

在一实施例中,两个所述辐射单元均包括辐射本体,其中一个所述辐射单元的辐射本体沿垂直于所述基板100的方向设置;In an embodiment, both of the radiation units include a radiation body, and the radiation body of one of the radiation units is arranged along a direction perpendicular to thesubstrate 100;

另一个所述辐射单元的辐射本体沿平行于所述基板100的方向设置。The radiation body of the other radiation unit is arranged along a direction parallel to thesubstrate 100 .

其中,每一辐射本体均设置有一开口。Wherein, each radiation body is provided with an opening.

本实施例中,天线辐射体200在中心区域、边缘区域开设开口,通过该开口可以是实现缝隙天线辐射,并且一定程度上约束电流路径,改善端口隔离度和阻抗匹配,同时能够有效地延展天线辐射体200边缘的等效电流路径,从而能够激发辐射单元的谐振模式,可拓展天线的工作频带。In this embodiment, theantenna radiator 200 has openings in the central area and the edge area. Through the openings, the radiation of the slot antenna can be realized, and the current path can be restricted to a certain extent, the port isolation and impedance matching can be improved, and the antenna can be effectively extended. The equivalent current path at the edge of theradiator 200 can excite the resonant mode of the radiation unit, which can expand the working frequency band of the antenna.

本发明还提出一种电子设备,包括如上所述的天线。The present invention also proposes an electronic device, including the above-mentioned antenna.

该天线的详细结构可参照上述实施例,此处不再赘述;可以理解的是,由于在本发明电子设备中使用了上述天线,因此,本发明电子设备的实施例包括上述天线全部实施例的全部技术方案,且所达到的技术效果也完全相同,在此不再赘述。The detailed structure of the antenna can refer to the above-mentioned embodiments, and will not be repeated here; it can be understood that, since the above-mentioned antenna is used in the electronic device of the present invention, the embodiments of the electronic device of the present invention include all the embodiments of the above-mentioned antenna All technical solutions, and the achieved technical effects are also exactly the same, and will not be repeated here.

该电子设备可以为音响,VR,门铃、摄像头,路由器等,在本实施中,电子设备设置有电控组件,电控组件根据电子设备实现的功能不同,设置有不同的功能模块,例如在电子设备为VR设备时,电控组件包括显示模块、电控板、摄像头、电池、扬声器、麦克风、无线通信模块等。其中,电控组件中的无线通信模块可以至少包括WIFI模块、UWB定位模块等,无线通信模块与上述天线电连接,从而通过天线接收和回传数据。The electronic device can be audio, VR, doorbell, camera, router, etc. In this implementation, the electronic device is provided with an electronic control component, and the electronic control component is provided with different functional modules according to the functions realized by the electronic device. For example, in the electronic When the device is a VR device, the electronic control components include a display module, an electric control board, a camera, a battery, a speaker, a microphone, a wireless communication module, and the like. Wherein, the wireless communication module in the electronic control component may at least include a WIFI module, a UWB positioning module, etc., and the wireless communication module is electrically connected to the antenna, so as to receive and return data through the antenna.

以上所述仅为本发明的可选实施例,并非因此限制本发明的专利范围,凡是在本发明的发明构思下,利用本发明说明书及附图内容所作的等效结构变换,或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。The above descriptions are only optional embodiments of the present invention, and do not limit the patent scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or direct/indirect Application in other related technical fields is included in the patent protection scope of the present invention.

Claims (10)

CN202310240208.XA2023-03-092023-03-09Antenna and electronic equipmentPendingCN116315655A (en)

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