WO2011020389A1 - 三维低频天线线圈 - Google Patents

三维低频天线线圈 Download PDF

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Publication number
WO2011020389A1
WO2011020389A1 PCT/CN2010/075033 CN2010075033W WO2011020389A1 WO 2011020389 A1 WO2011020389 A1 WO 2011020389A1 CN 2010075033 W CN2010075033 W CN 2010075033W WO 2011020389 A1 WO2011020389 A1 WO 2011020389A1
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WO
WIPO (PCT)
Prior art keywords
frequency antenna
base
antenna coil
dimensional low
magnetic core
Prior art date
Application number
PCT/CN2010/075033
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English (en)
French (fr)
Inventor
施学林
Original Assignee
Shi Xuelin
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 Shi Xuelin filed Critical Shi Xuelin
Publication of WO2011020389A1 publication Critical patent/WO2011020389A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F2003/005—Magnetic cores for receiving several windings with perpendicular axes, e.g. for antennae or inductive power transfer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • H01F2005/027—Coils wound on non-magnetic supports, e.g. formers wound on formers for receiving several coils with perpendicular winding axes, e.g. for antennae or inductive power transfer

Definitions

  • the present invention relates to an antenna coil, and more particularly to a miniaturized three-dimensional low frequency antenna coil. Background technique
  • the antenna line ⁇ can be divided into a receiving antenna line ⁇ and a transmitting antenna line ⁇ according to its function and function, wherein the receiving signal effect of the receiving antenna line ⁇ depends on the direction of the magnetic field used for receiving the antenna line ⁇ and the transmitting antenna line ⁇ . Relationship.
  • the receiving antenna coil when the receiving antenna coil is parallel to the direction of the magnetic field generated by the transmitting antenna coil, the receiving antenna receives the sensing sensitivity best; when the receiving antenna coil is perpendicular to the direction of the magnetic field generated by the transmitting antenna coil, receiving The antenna receives the worst sensitivity of the sensor.
  • the existing receiving antenna line In order to ensure good signal reception from all directions, the existing receiving antenna line generally adopts a three-dimensional low frequency antenna line.
  • the existing three-dimensional low-frequency antenna line is mainly realized by the structural design of the magnetic core to realize the three-dimensional integration of the turns.
  • FIG. 8 it is a magnetic core used in a conventional three-dimensional low-frequency antenna coil, and the magnetic core 100 has a flat shape, and a winding groove 110 is disposed in three axial directions of X, Y, and ⁇ , respectively. 120, 130.
  • the upper turns 140, 150, and 160 are wound in the winding grooves 110, 120, 130 of the magnetic core 100, respectively, to realize three-dimensional integration of the turns.
  • the magnetic core structure is complicated, requires high processing technology, and has high product defect rate, which makes the manufacturing cost high.
  • this type of three-dimensional low-frequency antenna cable is used in many "electronic keys" of automobiles, and the miniaturization of the turns is advantageous for reducing the volume of the electronic key and thus being portable. Therefore, if the thread is made smaller, it is a long-standing problem to be improved. Summary of the invention
  • the object of the present invention is to provide a three-dimensional low-frequency antenna coil, which realizes three-dimensional integration of a coil by a separately arranged magnetic core and a base.
  • the independently arranged magnetic core and the base structure are simple, easy to manufacture, and can effectively reduce Cost of production.
  • the present invention provides a three-dimensional low frequency antenna coil, comprising a base, and a magnet disposed in the base, the base comprising a body, a first coil wound around a side of the body, and mounted on the body a plurality of metal terminals, the magnet includes a magnetic core, and second and third turns wound around the magnetic core, the first, second, and third turns being orthogonal to a center position of the magnetic core, And respectively connected to the plurality of metal terminals.
  • the main body includes a bottom plate, a frame body, and four connecting columns connecting the bottom plate and the frame body, the frame body includes four frame portions connected in sequence, and one of the frame portions is provided with an opening, the frame body, the bottom plate and the connecting body
  • the column forms a receiving groove at the center of the body, and the magnet is disposed in the receiving groove;
  • the connecting column is respectively located at four corners of the receiving groove, and the inner side thereof is provided with a protrusion;
  • the frame and the connecting column A first winding groove is formed between the bottom plate and the outer side of the connecting post, and the first wire is wound in the first winding groove.
  • the magnetic core is a "well" shaped flat body having second and third winding grooves and grooves respectively at four corners thereof, the second and third winding grooves being opposite to the core center
  • the position is orthogonal to the vertical, and the depth of the second winding groove is greater than the third winding groove, and the second and third windings are respectively wound in the second and third winding grooves; the groove is connected to the groove
  • the protrusions of the column are complementary.
  • the plurality of metal terminals are respectively mounted on opposite sides of the bottom plate, and one of the sides is on the same side as the frame opening.
  • Each of the metal terminals includes a first connecting end and a second connecting end connected to the first connecting end, the first connecting end protrudes from the bottom side of the bottom plate, and the second connecting end is disposed on a lower surface of the bottom plate;
  • the second and third wires respectively include a start end and an end, and the start end and the end are respectively connected to the first connection end of the metal terminal.
  • the upper surface of the bottom plate is provided with a plurality of chutes, and the chute is located between the plurality of metal terminals.
  • the body of the base is made of an insulating heat-resistant resin material; the core is made of a ferrite material.
  • the ferrite material has a magnetic permeability greater than 1000.
  • the outer cover is also disposed on the base, and the side surface is provided with a plurality of notches, the metal terminal passes through the notch, and the contact between the base and the outer casing is fixed by glue bonding.
  • the contact of the magnetic core with the base is fixed by glue bonding.
  • the invention has the beneficial effects that the invention realizes the three-dimensional integration of the turns by the independent arrangement of the magnetic core and the base, the independently arranged magnetic core and the base structure are simple, easy to manufacture, and can effectively reduce the production cost; Made of high magnetic permeability material, it can effectively reduce the volume of the wire turns, which is conducive to the miniaturization of the wire turns.
  • FIG. 1 is a perspective view of a three-dimensional low frequency antenna coil of the present invention
  • FIG. 2 is an exploded perspective view of a three-dimensional low frequency antenna coil according to the present invention.
  • FIG. 3 is a schematic structural view of a body of the base of FIG. 1;
  • Figure 4 is a bottom view of the bottom plate of Figure 3;
  • Figure 5 is a schematic structural view of the magnetic core of Figure 1;
  • Figure 6 is a schematic structural view of the outer casing of Figure 1;
  • Figure 7 is a schematic view of the base of the cover with the outer casing
  • FIG. 8 is a schematic diagram of a magnetic core used in a conventional three-dimensional low frequency antenna coil
  • Figure 9 is a schematic view of the magnetic core winding wire ⁇ of Figure 8.
  • the three-dimensional low-frequency antenna coil of the present invention comprises a base 2 and a magnet 4 disposed in the base.
  • the base 2 includes a body 22, a first coil 24 wound around a side of the body 22, and an installation.
  • the main body 22 includes a bottom plate 221, a frame body 222, and 222 connecting posts 223 connecting the bottom plate and the frame body.
  • the frame body 222 includes four frame portions 2222 connected in sequence, and one of the frame portions 2222 is provided with an opening 2224.
  • the body 222 and the bottom plate 221 and the four connecting posts 223 form a receiving groove 224 at the center of the body 22; the connecting post 223 is located at the four corners of the receiving groove 224, and has a protrusion 2232 on the inner side thereof.
  • a first winding groove 225 is formed between the bottom plate 221, the connecting post 223 and the frame 222, and the first wire winding 24 is wound around the first winding groove 225.
  • the magnet 4 includes a magnetic core 42 and a second winding 44 and a third winding 46 wound around the magnetic core 42.
  • the magnetic core 42 is a "well" shaped flat body having a second winding groove 422 and a third portion thereon.
  • the winding groove 424 and the groove 426 respectively located at the four corners thereof, the second winding groove 422 and the third winding groove 423 are orthogonal to the center position of the magnetic core 42 and the depth of the second winding groove 422 Greater than the third winding
  • the wire grooves 424, the second and third wire turns 44, 46 are wound in the second and third winding grooves 422, 424, respectively.
  • the magnet 4 is disposed in the accommodating groove 224, and the groove 426 is complementarily engaged with the protrusion 2232 of the connecting post, so that the magnet 4 is fixed on the base 2, and the contact between the magnetic core 4 and the base 2 is glued and fixed, preferably
  • the epoxy resin glue; the first line 24 ⁇ , the second line ⁇ 44 and the third line ⁇ 46 are orthogonal to the center position of the magnetic core 42 to realize three-dimensional integration of the turns.
  • the number of metal terminals 26 may be six or eight. In this embodiment, eight metal terminals 26 are selected for description.
  • the metal terminals 26 are respectively mounted on the corresponding two sides of the bottom plate 221, and one of the sides is on the same side as the opening of the frame 222.
  • Each of the metal terminals 26 includes a first connecting end 262 and a second connecting end 264.
  • the first connecting end 262 protrudes from the side of the bottom plate 221, and the second connecting end 264 is disposed on the lower surface of the bottom plate 221; the first wire 24 and the second wire
  • the ⁇ 44 and the third ⁇ 46 each include a beginning end and an end end (not shown), the start end and the end end are respectively connected to different first connection ends 262; the second connection end 264 can be used for connecting with an external device such as a circuit board;
  • the upper surface of the bottom plate 221 is provided with a plurality of inclined grooves 2212.
  • the inclined grooves 2212 are located between the metal terminals 26 and can be used for accommodating the beginning and the end of the first, second and third windings 24, 44, 46.
  • the ferrite material preferably has a magnetic permeability of more than 1,000, which further reduces the volume of the magnetic core and contributes to miniaturization of the coil.
  • the three-dimensional low frequency antenna coil of the present invention further includes a casing 6, which is covered by On the base 2, a plurality of notches 62 are formed on the side thereof, and the metal terminal 26 is partially exposed from the notch 62.
  • the contact between the base 2 and the outer casing 6 is glued and fixed, and epoxy resin is preferred.
  • the invention realizes three-dimensional integration of the turns by the independent arrangement of the magnetic core and the base.
  • the independently arranged magnetic core and the base structure are simple, easy to manufacture, and can effectively reduce the production cost; Made of magnetic permeability material, it can effectively reduce the volume of the wire turns, which is conducive to the miniaturization of the wire turns.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Details Of Aerials (AREA)

Abstract

一种三维低频天线线圈，其包括一底座，及套装于底座内的磁体，该底座包括本体、卷绕于本体侧面的第一线圈、及安装于本体上的数个金属端子，该磁体包括磁芯、及卷绕于磁芯上的第二线圈和第三线圈，该第一、第二及第三线圈相对于该磁芯的中心位置正交垂直，且分别与该数个金属端子连接。本发明通过独立设置的磁芯与底座组合实现线圈的三维化集成，该独立设置的磁芯与底座结构简单，易于制造，能有效降低生产成本；而且磁芯采用高磁导率材料制成，能有效降低线圈的体积，从而利于线圈的小型化。

Description

三维低频天线线圈 技术领域
本发明涉及一种天线线圏， 特别涉及一种小型化的三维低频天线线 圏。 背景技术
天线线圏目前广泛应用在汽车的无钥匙进入 ( Passive Keyless Entry ) 、 无钥匙启动 （ Passive Keyless Start ) 系统（筒称为 PEPS )和类似 的装置中， 同时也有逐步应用于家居防盗、 智能开门、 酒店大厦等的智能 门禁管理等领域的趋势。 天线线圏按其作用与功能可分为接收天线线圏和 发射天线线圏， 其中接收天线线圏的接收信号效果的好坏取决于用于接收 天线线圏与发射天线线圏的磁场的方向的关系。 详细地说， 当接收天线线 圏与发射天线线圏所产生的磁场方向平行时， 接收天线接收感应灵敏感度 最好； 当接收天线线圏与发射天线线圏所产生的磁场方向垂直时， 接收天 线接收感应灵敏感度最差。 为保证能从各个方向很好的接收信号， 现有接 收天线线圏一般采用三维低频天线线圏。
现有三维低频天线线圏， 主要通过磁芯的结构设计， 实现线圏的三维 化集成。 如图 8所示， 为一种现有三维低频天线线圏所使用的磁芯， 该磁 芯 100 为扁平形状， 且分别在 X、 Y、 Ζ三个轴向设置有绕线沟槽 110、 120、 130。 如图 9所示， 在磁芯 100的绕线沟槽 110、 120、 130内分别卷 绕上线圏 140、 150、 160从而实现线圏的三维化集成。 但这种磁芯结构复 杂， 对加工工艺要求高， 产品不良率高， 使得制造成本较高。 另外， 这种 三维低频天线线圏很多应用于汽车的 "电子钥匙" 上， 线圏的小型化有利 于降低电子钥匙的体积， 从而便于携带。 因此， 如果将线圏做得更小是一 个长期存在的待改善问题。 发明内容
本发明的目的在于提供一种三维低频天线线圏， 其通过独立设置的磁 芯与底座组合实现线圏的三维化集成， 该独立设置的磁芯与底座结构筒 单， 易于制造， 能有效降低生产成本。
本发明的另一目的在于提供一种三维低频天线线圏， 其通过采用高磁 导率的磁芯来有效降低线圏的体积， 从而利于线圏的小型化。 为实现上述目的， 本发明提供一种三维低频天线线圏， 其包括一底 座， 及套装于底座内的磁体， 该底座包括本体、 卷绕于本体侧面的第一线 圏、 及安装于本体上的数个金属端子， 该磁体包括磁芯、 及卷绕于磁芯上 的第二线圏和第三线圏， 该第一、 第二及第三线圏相对于该磁芯的中心位 置正交垂直， 且分别与该数个金属端子连接。
该本体包括一底板、 一框体、 及四个连接底板与框体的连接柱， 该框 体包括四个依次连接的框部， 且其中一框部设一开口， 该框体、 底板及连 接柱形成一位于本体中心的容置槽， 该磁体套装于该容置槽内； 该连接柱 分别位于该容置槽的四个角， 且其内侧面设有凸起； 该框体、 连接柱与底 板之间形成环绕于该连接柱外侧面的第一绕线槽， 该第一线圏卷绕于第一 绕线槽内。
该磁芯为 "井" 字形扁平体， 其上设有第二、 第三绕线槽、 及分别位 于其四个角的凹槽， 该第二、 第三绕线槽相对于该磁芯中心位置正交垂 直， 且该第二绕线槽的深度大于该第三绕线槽， 该第二、 第三线圏分别卷 绕于该第二、 第三绕线槽内； 该凹槽与该连接柱的凸起互补。
该数个金属端子分别安装于该底板的相对两侧上， 且其中一侧与该框 体开口同侧。
每一金属端子包括第一连接端、 及与第一连接端连接的第二连接端， 该第一连接端突出该底板侧边， 该第二连接端设置于该底板的下表面； 该 第一、 第二及第三线圏分别包括一始端及一末端， 该始端和该末端分别与 金属端子的第一连接端连接。
该底板的上表面设有数个斜槽， 该斜槽位于该数个金属端子之间。 该底座的本体由绝缘耐热的树脂材料制成； 该磁芯由铁氧体材料制 成。
该铁氧体材料的磁导率大于 1000。
还包括一外壳， 该外壳罩设于该底座上， 其侧面设有数个缺口， 该金 属端子穿出该缺口， 该底座与外壳的接触处通过胶水粘合固定
该磁芯与该底座的接触处通过胶水粘合固定。
本发明的有益效果： 本发明通过独立设置的磁芯与底座组合实现线圏 的三维化集成， 该独立设置的磁芯与底座结构筒单， 易于制造， 能有效降 低生产成本； 而且磁芯采用高磁导率材料制成， 能有效降低线圏的体积， 从而利于线圏的小型化。
为了能更进一步了解本发明的特征以及技术内容， 请参阅以下有关本 发明的详细说明与附图， 然而附图仅提供参考与说明用， 并非用来对本发 明加以限制。 附图说明
下面结合附图， 通过对本发明的具体实施方式详细描述， 将使本发明 的技术方案及其它有益效果显而易见。
附图中，
图 1为本发明三维低频天线线圏的立体图；
图 2为本发明三维低频天线线圏的分解示意图；
图 3为图 1中底座的本体的结构示意图；
图 4为图 3中底板的仰视示意图；
图 5为图 1中磁芯的结构示意图；
图 6为图 1中外壳的结构示意图；
图 7为罩设有外壳的底座示意图；
图 8为一种现有三维低频天线线圏所使用的磁芯的示意图；
图 9为图 8中磁芯卷绕有线圏的示意图。 具体实施方式 参阅以下有关本发明的详细说月与附图， 相^ ^本发明的目的、 特征与特 点， 应当可由此得到深入且具体的了解， 然而附图仅提供参考与说明用， 并非用来对本发明加以限制。
如图 1-5 所示， 本发明三维低频天线线圏， 包括底座 2, 及套装于底 座内的磁体 4, 底座 2包括本体 22、 卷绕于本体 22侧面的第一线圏 24、 及安装于本体 22 上的数个金属端子 26。 本体 22 包括底板 221、 框体 222、 及连接底板与框体的 222个连接柱 223 , 该框体 222包括四个依次连 接的框部 2222, 且其中一框部 2222设一开口 2224, 该框体 222 与底板 221及 4个连接柱 223形成一位于本体 22中心的容置槽 224; 连接柱 223 位于容置槽 224的四个角， 且其内侧面设有凸起 2232。 该底板 221、 连接 柱 223与框体 222之间形成环绕于该连接柱外侧面的第一绕线槽 225 , 第 一线圏 24卷绕于第一绕线槽 225内。
磁体 4 包括磁芯 42、 及卷绕于磁芯 42上的第二线圏 44及第三线圏 46, 磁芯 42为 "井" 字形扁平体， 其上设有第二绕线槽 422、 第三绕线槽 424、 及分别位于其 4个角的凹槽 426, 第二绕线槽 422和第三绕线槽 423 相对于磁芯 42 中心位置正交垂直， 且第二绕线槽 422 的深度大于第三绕 线槽 424, 第二、 第三线圏 44、 46 分别卷绕于第二、 第三绕线槽 422、 424内。 磁体 4套装于容置槽 224内， 凹槽 426与连接柱的凸起 2232互补 配合， 使磁体 4固定于底座 2上， 且在磁芯 4与底座 2的接触处用胶水粘 合固定， 优选环氧树脂胶水； 第一线 24 圏、 第二线圏 44及第三线圏 46 相对于磁芯 42的中心位置正交垂直， 实现线圏的三维集成。
金属端子 26可以是 6个， 也可以是 8个， 本实施例选择 8个金属端 子 26进行说明。 金属端子 26分别安装于底板 221的相对应两个侧， 且其 中一侧与框体 222开口同侧。 每个金属端子 26包括第一连接端 262、 及第 二连接端 264, 第一连接 262端突出底板 221侧面， 第二连接端 264设置 于底板 221的下表面； 第一线圏 24、 第二线圏 44及第三线圏 46皆包括一 始端及一末端 （未图示） ， 该始端与末端分别连接于不同的第一连接端 262; 第二连接端 264可用于与电路板等外部器件连接； 底板 221 的上表 面设有数个斜槽 2212, 该斜槽 2212位于金属端子 26之间， 可用于收纳第 一、 第二及第三线圏 24、 44、 46 的始端与末端。 在本实施例中， 底座 2 可由绝缘、 耐热的树脂材料制成； 磁芯 4可由铁氧体材料制成。 作为优选 实施例， 铁氧体材料优选磁导率大于 1000, 能进一步减小磁芯的体积， 有 利于线圏小型化。
如图 6-7 所示， 作为本发明的优选实施例， 为了避免在生产、 运输、 使用等过程中被意外碰伤， 本发明三维低频天线线圏还包括外壳 6, 该外 壳 6罩设于底座 2上， 其侧面设有数个缺口 62, 金属端子 26部分从缺口 62 露出。 底座 2 与外壳 6 的接触处用胶水粘合固定， 且优选环氧树脂胶 水。
综上所述， 本发明通过独立设置的磁芯与底座组合实现线圏的三维化 集成， 该独立设置的磁芯与底座结构筒单， 易于制造， 能有效降低生产成 本； 而且磁芯采用高磁导率材料制成， 能有效降低线圏的体积， 从而利于 线圏的小型化。
以上所述， 仅为本发明的较佳实施例， 对于本领域的普通技术人员来 说， 可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变 形， 而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims

权 利 要 求
1、 一种三维低频天线线圏， 包括一底座， 及套装于底座内的磁体， 该底座包括本体、 卷绕于本体侧面的第一线圏、 及安装于本体上的数个金 属端子， 该磁体包括磁芯、 及卷绕于磁芯上的第二线圏和第三线圏， 该第 一、 第二及第三线圏相对于该磁芯的中心位置正交垂直， 且分别与该数个 金属端子连接。
2、 如权利要求 1 所述的三维低频天线线圏， 其中， 该本体包括一底 板、 一框体、 及四个连接底板与框体的连接柱， 该框体包括四个依次连接 的框部， 且其中一框部设一开口， 该框体、 底板及连接柱形成一位于本体 中心的容置槽， 该磁体套装于该容置槽内； 该连接柱分别位于该容置槽的 四个角， 且其内侧面设有凸起； 该框体、 连接柱与底板之间形成环绕于该 连接柱外侧面的第一绕线槽， 该第一线圏卷绕于第一绕线槽内。
3、 如权利要求 2 所述的三维低频天线线圏， 其中， 该磁芯为 "井" 字形扁平体， 其上设有第二、 第三绕线槽、 及分别位于其四个角的凹槽， 该第二、 第三绕线槽相对于该磁芯中心位置正交垂直， 且该第二绕线槽的 深度大于该第三绕线槽， 该第二、 第三线圏分别卷绕于该第二、 第三绕线 槽内； 该凹槽与该连接柱的凸起互补。
4、 如权利要求 2 所述的三维低频天线线圏， 其中， 该数个金属端子 分别安装于该底板的相对两侧上， 且其中一侧与该框体开口同侧。
5、 如权利要求 4 所述的三维低频天线线圏， 其中， 每一金属端子包 括第一连接端、 及与第一连接端连接的第二连接端， 该第一连接端突出该 底板侧边， 该第二连接端设置于该底板的下表面； 该第一、 第二及第三线 圏分别包括一始端及一末端， 该始端和该末端分别与金属端子的第一连接 端连接。
6、 如权利要求 4 所述的三维低频天线线圏， 其中， 该底板的上表面 设有数个斜槽， 该斜槽位于该数个金属端子之间。
7、 如权利要求 1 所述的三维低频天线线圏， 其中， 该底座的本体由 绝缘耐热的树脂材料制成； 该磁芯由铁氧体材料制成。
8、 如权利要求 7 所述的三维低频天线线圏， 其中， 该铁氧体材料的 磁导率大于 1000。
9、 如权利要求 1 所述的三维低频天线线圏， 其中， 还包括一外壳， 该外壳罩设于该底座上， 其侧面设有数个缺口， 该金属端子穿出该缺口， 该底座与外壳的接触处通过胶水粘合固定
10、 如权利要求 1 所述的三维低频天线线圏， 其中， 该磁芯与该底座 的接触处通过胶水粘合固定。
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014176072A1 (en) * 2013-04-26 2014-10-30 Medtronic Navigation, Inc. Electromagnetic coil arrangements for surgical navigation and manufacturing methods
US20150233868A1 (en) * 2012-09-06 2015-08-20 Institut Dr. Foerster GmbH & Co.KG Differential Sensor, Inspection System and Method for the Detection of Anomalies in Electrically Conductive Materials
US11096605B2 (en) 2015-03-31 2021-08-24 Medtronic Navigation, Inc. Modular coil assembly

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101635387B (zh) * 2009-08-18 2012-07-18 施学林 三维低频天线线圈
DE102010017493A1 (de) * 2010-06-21 2011-12-22 Huf Hülsbeck & Fürst Gmbh & Co. Kg Schlüsselfernbedienung und Verfahren zum Austausch von Signalen zwischen einer Schlüsselfernbedienung und einem kraftfahrzeugseitigen Steuergerät
CN101950848B (zh) * 2010-09-30 2013-03-06 惠涌 三维低频接收天线及其绕制方法
EP2911244B1 (en) * 2014-02-25 2017-06-28 Premo, S.L. Antenna and antenna manufacturing method
CN106229641B (zh) * 2016-09-06 2023-04-28 广东省现代农业装备研究所 一种动物电子耳标识别的天线装置
EP3404768B1 (en) * 2017-05-18 2019-12-04 Premo, S.A. Low profile triaxial antenna
EP3474378B1 (en) * 2017-10-23 2021-03-17 Premo, S.A. Antenna for low frequency communication within a vehicle environment and low frequency communication system
CN108365325B (zh) * 2017-12-28 2020-02-07 中国电子科技集团公司第二十研究所 一种低频导航小型化磁阵列

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1610183A (zh) * 2003-10-20 2005-04-27 东光株式会社 三轴天线线圈
CN1681158A (zh) * 2004-04-06 2005-10-12 东光株式会社 天线线圈
CN101047280A (zh) * 2002-03-05 2007-10-03 日商·胜美达股份有限公司 天线线圈
JP2008060634A (ja) * 2006-08-29 2008-03-13 Sumida Corporation アンテナコイル
CN101635387A (zh) * 2009-08-18 2010-01-27 施学林 三维低频天线线圈
CN201478453U (zh) * 2009-08-18 2010-05-19 施学林 三维低频天线线圈

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101047280A (zh) * 2002-03-05 2007-10-03 日商·胜美达股份有限公司 天线线圈
CN1610183A (zh) * 2003-10-20 2005-04-27 东光株式会社 三轴天线线圈
CN1681158A (zh) * 2004-04-06 2005-10-12 东光株式会社 天线线圈
JP2008060634A (ja) * 2006-08-29 2008-03-13 Sumida Corporation アンテナコイル
CN101635387A (zh) * 2009-08-18 2010-01-27 施学林 三维低频天线线圈
CN201478453U (zh) * 2009-08-18 2010-05-19 施学林 三维低频天线线圈

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150233868A1 (en) * 2012-09-06 2015-08-20 Institut Dr. Foerster GmbH & Co.KG Differential Sensor, Inspection System and Method for the Detection of Anomalies in Electrically Conductive Materials
WO2014176072A1 (en) * 2013-04-26 2014-10-30 Medtronic Navigation, Inc. Electromagnetic coil arrangements for surgical navigation and manufacturing methods
US9480415B2 (en) 2013-04-26 2016-11-01 Medtronic Navigation, Inc. Electromagnetic coil apparatuses for surgical navigation and corresponding methods
AU2014257392B2 (en) * 2013-04-26 2019-08-15 Medtronic Navigation, Inc. Electromagnetic coil arrangements for surgical navigation and manufacturing methods
US10806521B2 (en) 2013-04-26 2020-10-20 Medtronic Navigation, Inc. Electromagnetic coil apparatuses for surgical navigation and corresponding methods
AU2019264657B2 (en) * 2013-04-26 2021-02-18 Medtronic Navigation, Inc. Electromagnetic coil arrangements for surgical navigation and manufacturing methods
EP3818955A1 (en) * 2013-04-26 2021-05-12 Medtronic Navigation, Inc. Electromagnetic coil arrangements for surgical navigation
US11950853B2 (en) 2013-04-26 2024-04-09 Medtronic Navigation, Inc. Electromagnetic coil apparatuses for surgical navigation and corresponding methods
US11096605B2 (en) 2015-03-31 2021-08-24 Medtronic Navigation, Inc. Modular coil assembly

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