WO2017113184A1 - Carte de circuit imprimé et dispositif électronique la comportant - Google Patents

Carte de circuit imprimé et dispositif électronique la comportant Download PDF

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Publication number
WO2017113184A1
WO2017113184A1 PCT/CN2015/099853 CN2015099853W WO2017113184A1 WO 2017113184 A1 WO2017113184 A1 WO 2017113184A1 CN 2015099853 W CN2015099853 W CN 2015099853W WO 2017113184 A1 WO2017113184 A1 WO 2017113184A1
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WO
WIPO (PCT)
Prior art keywords
antenna
sensor
substrate
circuit board
interface
Prior art date
Application number
PCT/CN2015/099853
Other languages
English (en)
Chinese (zh)
Inventor
王典
胡孟
冯建刚
刘元财
Original Assignee
深圳市大疆创新科技有限公司
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 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to PCT/CN2015/099853 priority Critical patent/WO2017113184A1/fr
Priority to CN201580066951.1A priority patent/CN107210523B/zh
Publication of WO2017113184A1 publication Critical patent/WO2017113184A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

Definitions

  • the present invention relates to a circuit board and an electronic device having the same.
  • the antenna and the sensor are usually designed separately and placed in different positions, which will occupy a large amount of equipment space and reduce the equipment.
  • the degree of integration In addition, the limited space limits the number of antennas and sensors.
  • a circuit board includes: a substrate, an antenna, and a sensor, wherein the sensor and the antenna are disposed on the substrate, and the substrate is further provided with an anti-interference component for reducing the antenna and the sensor Interference.
  • the senor is disposed on another side different from the side of the antenna, and the position of the sensor on the substrate is defined in a predetermined area where the interference to the antenna is less than a preset value.
  • the circuit board further includes an antenna interface connected to the antenna, and a sensor interface electrically connected to the sensor, the antenna interface being electrically connected to the antenna through a coaxial line or a microstrip line And the sensor is electrically connected to the sensor interface through a circuit disposed on the substrate.
  • the substrate is a multi-layer structure, at least two of the antenna, the antenna interface, and the sensor interface are disposed on the same layer of the substrate or on different layers.
  • the senor and the antenna are respectively disposed on different layers of the substrate.
  • the circuit board includes an antenna interface, a sensor interface, and a connecting wire
  • the substrate includes a first layer substrate, a second layer substrate, the antenna including a first portion and a second portion, the first portion And the second portion is respectively disposed on the front and back sides of the first layer substrate, and the sensor interface, the antenna interface, the first portion of the antenna, and the sensor are all disposed on the same side of the first layer substrate On the side, the position of the sensor on the substrate is defined in a predetermined area where the interference to the antenna is less than a preset value; the connecting wire is disposed on a bottom side of the second layer substrate.
  • the second portion of the antenna is comprised of a metal sheet, the second portion is coupled to the first portion of the antenna, and the second portion of the antenna is configured to reduce the first portion and the connecting conductor Mutual coupling between.
  • the second portion of the antenna is coupled to the first portion of the antenna by a metal via.
  • the sensor is electrically connected to the sensor interface through the connecting wires, and the metal vias on the first layer substrate and the second layer substrate.
  • the antenna interface is soldered to the first portion of the antenna.
  • the anti-interference element is at least one of a decoupling capacitor, a magnetic bead, and a common mode inductor.
  • the interference preventing component is disposed around the sensor.
  • the antenna is a dipole antenna and the sensor is a compass component.
  • the antenna is disposed on the substrate remote from the sensor.
  • the circuit board is applied to a robot, an unmanned aerial vehicle, an unmanned boat, or an unmanned vehicle.
  • An electronic device includes a circuit board including: a substrate, an antenna, and a sensor, wherein the sensor and the antenna are disposed on the substrate, and the substrate is further provided with an anti-interference component for reducing Interference between the antenna and the sensor.
  • the senor is disposed on another side different from the side of the antenna, and the position of the sensor on the substrate is defined in a predetermined area where the interference to the antenna is less than a preset value.
  • the circuit board further includes an antenna interface connected to the antenna, and a sensor interface electrically connected to the sensor, the antenna interface being electrically connected to the antenna through a coaxial line or a microstrip line And the sensor is electrically connected to the sensor interface through a circuit disposed on the substrate.
  • the substrate is a multi-layer structure, and at least two of the antenna, the antenna interface, and the sensor interface are disposed on the same layer of the substrate or on different layers.
  • the senor and the antenna are respectively disposed on different layers of the substrate.
  • the circuit board includes an antenna interface, a sensor interface, and a connecting wire
  • the substrate includes a first layer substrate, a second layer substrate, the antenna including a first portion and a second portion, the first portion And the second portion is respectively disposed on the front and back sides of the first layer substrate, and the sensor interface, the antenna interface, the first portion of the antenna, and the sensor are all disposed on the same side of the first layer substrate On the side, the position of the sensor on the substrate is defined in a predetermined area where the interference to the antenna is less than a preset value; the connecting wire is disposed on a bottom side of the second layer substrate.
  • the second portion of the antenna is comprised of a metal sheet, the second portion is coupled to the first portion of the antenna, and the second portion of the antenna is configured to reduce the first portion and the connecting conductor Mutual coupling between.
  • the second portion of the antenna is coupled to the first portion of the antenna by a metal via.
  • the sensor is electrically connected to the sensor interface through the connecting wires, and the metal vias on the first layer substrate and the second layer substrate.
  • the antenna interface is soldered to the first portion of the antenna.
  • the anti-interference element is at least one of a decoupling capacitor, a magnetic bead, and a common mode inductor.
  • the interference preventing component is disposed around the sensor.
  • the antenna is a dipole antenna and the sensor is a compass component.
  • the antenna is disposed on the substrate remote from the sensor.
  • the electronic device is a robot, an unmanned aerial vehicle, an unmanned vehicle, or an unmanned boat.
  • the circuit board of the present invention integrates the antenna and the sensor in a highly integrated manner, thereby greatly improving the space utilization rate, facilitating the compact structure and the appearance design; and, by adopting a collaborative design, The sensors and antennas are enabled to not interfere with each other and maintain good performance, respectively.
  • FIG. 1 is a schematic structural view of a circuit board according to a first preferred embodiment of the present invention.
  • FIG. 2 is an exploded view of a circuit board in accordance with a first preferred embodiment of the present invention.
  • FIG 3 is a top plan view of a circuit board in accordance with a first preferred embodiment of the present invention.
  • Figure 4 is a bottom plan view of a circuit board in accordance with a first preferred embodiment of the present invention.
  • Figure 5 is an exploded view of a circuit board in accordance with a second preferred embodiment of the present invention.
  • FIG. 1 is a schematic structural view of a circuit board 100 according to a first preferred embodiment of the present invention.
  • FIG. 2 is an exploded view of a circuit board 100 according to a first preferred embodiment of the present invention
  • FIG. 3 and FIG. 4 are the first embodiment of the present invention.
  • the circuit board 100 is an antenna transmitting device, including, but not limited to, a substrate 11, an antenna 12, a sensor 13, an antenna interface 14, and a sensor interface 15.
  • the substrate 11 is a carrier of the antenna 12, the sensor 13, the antenna interface 14, and the sensor interface 15.
  • the substrate 11 may be a single layer substrate or a multilayer substrate.
  • the circuit board 100 is integrated as a circuit board provided with the above devices.
  • the circuit board 100 may be a flexible circuit board.
  • the circuit board may also be a non-flexible circuit board, such as a PCB board.
  • the antenna 12 can be an antenna device of various types and configurations.
  • the antenna 12 is a dipole antenna (symmetric vibrator).
  • the dipole antenna is used for transmitting and receiving a signal of a fixed frequency, and is composed of two conductors each having a length of a quarter wavelength of an antenna operating frequency. Therefore, the total length of the dipole antenna is approximately the antenna operation.
  • Half wavelength of the frequency. Therefore, dipole antennas are often referred to as half-wave oscillators.
  • the operating frequency of the dipole antenna is located in the frequency band of the 2.4 GHz band.
  • the specific structure of the dipole antenna is a common structure well known to those skilled in the art and will not be described in detail herein. It can be understood that the operating frequency of the antenna 12 can also be located in other frequency bands.
  • the sensor 13 is a component that can sense the measured information and convert the sensed information into an electrical signal or other desired form of information output according to a certain rule.
  • the sensor 13 is described by taking a compass component as an example.
  • the sensor 13 can also be any suitable sensor for positioning, navigation, vision, weather, and the like.
  • the structure of the compass component is also a common circuit structure well known to those skilled in the art and will not be described in detail herein.
  • the antenna interface 14 is electrically connected to the antenna 12 by any suitable electrical connection manner such as a coaxial line or a microstrip line.
  • the antenna interface 14 may be an IPEX terminal. In other preferred embodiments, the antenna interface 14 can also be other types of terminals.
  • the sensor 13 is electrically connected to the sensor interface 15 through a circuit (not shown) disposed on the substrate 11 to form a complete sensor.
  • the antenna 12, the antenna interface 14, and the sensor interface 15 are disposed on the same side of the substrate 11.
  • at least two of the antenna 12, the antenna interface 14, and the sensor interface 15 may be disposed on the same side of the substrate, or at least two of them may be respectively disposed on the substrate.
  • the antenna 12, the antenna interface 14, and the sensor interface 15 are disposed on a top layer of the substrate 11.
  • the sensor 13 is disposed on the other side of the substrate 11.
  • the sensor 13 is disposed on the bottom layer of the substrate 11.
  • the sensor 13 may also be disposed on another layer different from the layer where the antenna 12 is located, and connected to the sensor through a wire or the like.
  • the position of the sensor 13 on the substrate 11 is limited within a predetermined area to reduce interference with the antenna 12.
  • the predetermined area may be determined according to the interference of the sensor 13 to the antenna 12 being less than a predetermined value. That is, the interference of the sensor 13 to the antenna 12 is small in the predetermined area. In other preferred embodiments, the predetermined area is differently set according to the structure of the antenna 12 and the structure of the sensor 13.
  • the design of the antenna 12 is relatively uncertain, and the antenna 12 is affected. Radiation efficiency. Therefore, the area occupied by the antenna 12 avoids designing other circuits as much as possible, thereby reducing the influence of other circuits on the performance of the antenna 12.
  • the relative position between the sensor 13 and the antenna 12 is not limited to the vertical relationship as shown in FIG. 2, and may be a left-right relationship, an overlapping relationship, or the like.
  • the circuit board 200 of the second preferred embodiment also includes the antenna 22, the sensor 23, the antenna interface 24, and the sensor interface 25 as compared to the first preferred embodiment.
  • the types and functions of the same or similar elements in the present embodiment as those in the above-described first embodiment will not be described herein.
  • the circuit board 200 includes a first layer substrate 26, a second layer substrate 27, and connection wires 28.
  • the antenna 22 is also described by taking a dipole antenna as an example.
  • the antenna 22 is divided into a first portion 221 and a second portion 222.
  • the first portion 221 and the second portion 222 are respectively disposed on the front and back sides of the first layer substrate 26.
  • the second portion 222 can be a T-shaped metal sheet that can be mechanically and electrically connected to the first portion 221 through the metal vias 29.
  • the first portion 221 can also be electrically linked to its second portion 222 in other manners.
  • the antenna interface 24 is directly connected to a portion of the antenna 22 by soldering, for example, to the first portion 221.
  • the sensor interface 25, the antenna interface 24, the first portion 221, and the sensor 23 are all disposed on the same side of the first layer substrate 26, as shown in FIG. On the upper side of a layer of substrate 26.
  • the second portion 222 is disposed on a lower side of the first layer substrate 26.
  • the sensor 23 may be disposed at an end of the first layer substrate 26 remote from the antenna 22.
  • the connecting wire 28 is disposed on the bottom layer of the second layer substrate 27. By disposing the connecting wire 28 on the bottom layer of the second layer substrate 27, the interference caused by the connecting wire 28 to the antenna 22 after being energized can be further reduced.
  • the first portion 221 is primarily used as a radiator and the second portion 222 is used to match the impedance of the antenna interface 24.
  • the current of the first portion 221 is greater than the current of the second portion 222, and the metal of the second portion 222 can effectively separate the first portion 221 from the connecting wire 28 disposed on the bottom layer, such that The current induced by the first portion 221 on the connecting wire 28 can be reduced, and the mutual coupling can be reduced, thereby further reducing the influence of the connecting wire 28 on the overall performance of the antenna 22.
  • the sensor 23 is electrically connected to the sensor interface 25 through the connecting wire 28, the first layer substrate 26 and the metal via 29 on the second layer substrate 27.
  • the metal via 29 for connecting the first layer substrate 26 and the second layer substrate 27 and the metal via 29 for connecting the first portion 221 and the second portion 222 may be the same via hole or It is a different via, which can be set according to actual needs.
  • the circuit board in order to reduce the interference of the radio signal on the sensor at the antenna radiation, the circuit board is designed to evaluate the respective response frequencies of the antenna and the sensor.
  • the design of the sensor peripheral circuit is performed in accordance with the mutual response.
  • the circuit board is provided with an anti-interference element 30 for reducing interference between the antenna and the sensor.
  • an anti-interference component 30 may be disposed around the sensor, and the anti-interference component 30 may be at least one of a decoupling capacitor, a magnetic bead, and a common mode inductor, thereby reducing the antenna. Interference with the sensor.
  • the interference preventing component 30 can also be disposed in the sensor (eg, a power source (not shown) of the sensor.
  • the circuit layout of the sensor And the traces can also be properly laid out to reduce radiation coupling.
  • the circuit board can be applied to mobile electronic devices such as robots, unmanned aerial vehicles, unmanned vehicles, unmanned vehicles (not shown), and the circuit board can also be applied to smart devices (figure Any suitable electronic device, such as not shown).

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Abstract

L'invention concerne une carte de circuit imprimé (100) et un dispositif électronique la comportant. La carte de circuit imprimé (100) comprend : un substrat (11), une antenne (12), et un capteur (13); le capteur (13) et l'antenne (12) sont tous les deux disposés sur le substrat (11); le substrat (11) est également pourvu d'un élément anti-interférence utilisé pour réduire les interférences entre l'antenne (12) et le capteur (13).
PCT/CN2015/099853 2015-12-30 2015-12-30 Carte de circuit imprimé et dispositif électronique la comportant WO2017113184A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2015/099853 WO2017113184A1 (fr) 2015-12-30 2015-12-30 Carte de circuit imprimé et dispositif électronique la comportant
CN201580066951.1A CN107210523B (zh) 2015-12-30 2015-12-30 电路板及具有该电路板的电子装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/099853 WO2017113184A1 (fr) 2015-12-30 2015-12-30 Carte de circuit imprimé et dispositif électronique la comportant

Publications (1)

Publication Number Publication Date
WO2017113184A1 true WO2017113184A1 (fr) 2017-07-06

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ID=59224002

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/099853 WO2017113184A1 (fr) 2015-12-30 2015-12-30 Carte de circuit imprimé et dispositif électronique la comportant

Country Status (2)

Country Link
CN (1) CN107210523B (fr)
WO (1) WO2017113184A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1758261A (zh) * 2004-10-08 2006-04-12 富士通株式会社 数据保持体的存取装置及装有该存取装置的电子设备
CN101281992A (zh) * 2007-04-03 2008-10-08 联想(北京)有限公司 无线芯片及无线设备
CN202285397U (zh) * 2011-10-30 2012-06-27 电子科技大学 一种卫星通信系统机载接收机前端结构
CN102714346A (zh) * 2009-10-27 2012-10-03 脉冲芬兰有限公司 用于匹配天线的方法和装置
CN103178324A (zh) * 2011-12-22 2013-06-26 宏碁股份有限公司 电子装置
JP2015106902A (ja) * 2013-12-03 2015-06-08 パナソニックＩｐマネジメント株式会社 アンテナ装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001308624A (ja) * 2000-04-21 2001-11-02 Sanwa Newtec Co Ltd 無線周波機器の電波干渉抑制方法
CN102544756B (zh) * 2012-02-22 2013-10-30 浙江大学 一种近场和远场通用无线充电托盘天线
CN202976040U (zh) * 2012-11-06 2013-06-05 江西联创电子有限公司 一种带天线的电容屏传感器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1758261A (zh) * 2004-10-08 2006-04-12 富士通株式会社 数据保持体的存取装置及装有该存取装置的电子设备
CN101281992A (zh) * 2007-04-03 2008-10-08 联想(北京)有限公司 无线芯片及无线设备
CN102714346A (zh) * 2009-10-27 2012-10-03 脉冲芬兰有限公司 用于匹配天线的方法和装置
CN202285397U (zh) * 2011-10-30 2012-06-27 电子科技大学 一种卫星通信系统机载接收机前端结构
CN103178324A (zh) * 2011-12-22 2013-06-26 宏碁股份有限公司 电子装置
JP2015106902A (ja) * 2013-12-03 2015-06-08 パナソニックＩｐマネジメント株式会社 アンテナ装置

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Publication number Publication date
CN107210523B (zh) 2019-07-19
CN107210523A (zh) 2017-09-26

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