WO2019086455A1 - Structure d'antenne de recharge par induction et son procédé de fabrication, et module d'alimentation sans fil - Google Patents

Structure d'antenne de recharge par induction et son procédé de fabrication, et module d'alimentation sans fil Download PDF

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Publication number
WO2019086455A1
WO2019086455A1 PCT/EP2018/079712 EP2018079712W WO2019086455A1 WO 2019086455 A1 WO2019086455 A1 WO 2019086455A1 EP 2018079712 W EP2018079712 W EP 2018079712W WO 2019086455 A1 WO2019086455 A1 WO 2019086455A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
printed circuit
inductive charging
chassis
charging antenna
Prior art date
Application number
PCT/EP2018/079712
Other languages
English (en)
Inventor
Stéphane SCHULER
Original Assignee
Valeo Comfort And Driving Assistance
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 Valeo Comfort And Driving Assistance filed Critical Valeo Comfort And Driving Assistance
Publication of WO2019086455A1 publication Critical patent/WO2019086455A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/361—Electric or magnetic shields or screens made of combinations of electrically conductive material and ferromagnetic material
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • 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
    • 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
    • H01Q1/526—Electromagnetic shields
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/341—Surface mounted components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference

Definitions

  • the present invention relates to an antenna construction, and particularly to an antenna construction for wireless energy transmission.
  • Wireless energy transmission refers to non-contact energy transmission between a transmitter and a receiver.
  • Wireless chargers based on wireless energy transmission have good prospects in the application of consumer electronic products.
  • an inductive charging antenna construction 100 for a wireless charger which comprises a printed circuit board 110 (PCB), a plurality of electrical components 120, an antenna assembly, and a chassis 130 supporting the antenna assembly.
  • the plurality of electrical components 120 are used to control the operation of the inductive charging antenna and are located on both sides of the PCB 110 (only a part of the electrical components are shown in the Figures).
  • the antenna assembly comprises a ferrite sheet 140 and three stacked coils 150.
  • the chassis 130 is grounded and serves as a shielding layer between the PCB 110 and the antenna assembly. Since the electrical components 120 are disposed on both sides of the PCB 110, it is necessary to support the chassis 130 to a certain height to provide space for receiving the electrical components 120.
  • a connector 160 is needed to electrically connect the coil 150 to the PCB 110.
  • the antenna construction 100 according to the prior art described above is bulky. Furthermore, since the connector 160 is typically manually mounted into the antenna construction 100, full automated production cannot be achieved, resulting in a higher cost.
  • an object of the present invention is to provide an inductive charging antenna construction and a method for manufacturing the same, the charging antenna construction being small in size, low in cost, and contributing to fully automatic production.
  • the present invention also provides a wireless charging module comprising the inductive charging antenna construction.
  • a inductive charging antenna construction comprising: a printed circuit board (PCB) populated with electric components to control the inductive charging antenna operation; an inductive charging antenna assembly; and a shielding layer; wherein substantially all of the electric components are populated on a first side of the printed circuit board; the antenna assembly is populated on a second side of the printed circuit board opposite to the first side; and the shielding layer is grounded and located between the antenna assembly and the printed circuit board.
  • PCB printed circuit board
  • the shielding layer is a ground layer of the printed circuit board covering the substantially entire surface of the printed circuit board.
  • the shielding layer is a grounded chassis supporting the antenna assembly.
  • the chassis is a stamped metal plate.
  • the chassis has at least one contact portion through which the chassis is electrically connected to a grounded pad of the printed circuit board.
  • the chassis is surface-mounted or through-hole mounted on a grounded pad of the printed circuit board through the at least one contact portion.
  • the antenna assembly comprises: a flexible or rigid magnetic isolation sheet attached to the shielding layer; and at least one coil provided on the magnetic isolation sheet, wherein the magnetic isolation sheet is located between the at least one coil and the shielding layer.
  • the flexible or rigid magnetic isolation sheet is made of ferrite.
  • each of the coils has electrical connecting terminals through which the coils are electrically connected to the printed circuit board.
  • the electrical connecting terminals of the coils are electrically connected to the printed circuit board through holes or notches formed in the magnetic isolation sheet and the shielding layer respectively.
  • the electrical connecting terminals are surface-mounted or through-hole mounted to the printed circuit board.
  • the antenna assembly further comprises: at least one temperature sensing element, wherein each of the temperature sensing elements is surface-assembled on the second side of the printed circuit board and located near the center of the respective coil.
  • the temperature sensing element is negative temperature coefficient element.
  • the printed circuit board is a multilayer printed circuit board.
  • a wireless power module comprising the antenna construction as described above.
  • a method for manufacturing an inductive charging antenna construction comprising: providing a printed circuit board; providing substantially all of the electric components for controlling the the inductive charging antenna operations on a first side of the printed circuit board; covering a ground layer of the printed circuit board on the substantially entire surface of the printed circuit board which is on a second side opposite to the first side; providing a magnetic isolation sheet on the grounded layer; and providing at least one coil on the magnetic isolation sheet and connecting the at least one coil directly to the printed circuit board by soldering.
  • a method for manufacturing an inductive charging antenna construction comprising: providing a printed circuit board; providing substantially all of electric components for controlling the the inductive charging antenna operations on a first side of the printed circuit board; providing a chassis on a second side of the printed circuit board opposite to the first side, the chassis being soldered to the printed circuit board in at least one point; providing a magnetic isolation sheet on the chassis; and providing at least one coil on the magnetic isolation sheet and connecting the at least one coil directly to the printed circuit board by soldering, wherein the chassis is located between the printed circuit board and the magnetic isolation sheet.
  • a method for manufacturing an inductive charging antenna construction comprising: providing a printed circuit board; providing substantially all of the electric components for controlling the the inductive charging antenna operations on a first side of the printed circuit board; providing a preassembly on a second side of the printed circuit board opposite to the first side; wherein the preassembly comprises: a grounded chassis; a magnetic isolation sheet provided on the chassis; and at least one coil provided on the magnetic isolation sheet; wherein the chassis is located between the printed circuit board and the magnetic isolation sheet, and the at least one coil is directly connected to the printed circuit board by soldering.
  • Figures la and lb show a perspective view of an inductive charging antenna construction according to the prior art
  • Figure 2a shows a perspective view of an inductive charging antenna construction according to an embodiment of the present invention
  • Figure 2b shows a perspective view of the inductive charging antenna construction of Figure 2a in accordance with the present invention, wherein a portion of the magnetic shield and a portion of the chassis are not depicted to clearly illustrate the inductive charging antenna construction;
  • Figure 2c shows a perspective view of the inductive charging antenna construction of Figure 2a in accordance with the present invention, wherein the magnetic isolation sheet and a part of the coils are not depicted to clearly show the chassis and temperature sensing elements;
  • Figure 3 a shows a perspective view of an inductive charging antenna construction in accordance with another embodiment of the present invention
  • Figures 3b to 3d show exploded perspective views of the inductive charging antenna construction of Figure 3a in accordance with the present invention
  • Figure 4a shows a perspective view of an inductive charging antenna construction in accordance with another embodiment of the present invention.
  • Figures 4b to 4d illustrate an exploded perspective view of the inductive charging antenna construction of Figure 4a in accordance with the present invention
  • Figure 5 shows a perspective view of an inductive charging antenna construction in accordance with another embodiment of the present invention.
  • FIGS 2a to 2c illustrate perspective views of an inductive charging antenna construction 200 in accordance with an embodiment of the present invention.
  • the inductive charging antenna construction 200 includes a PCB 210, electrical components 220, an antenna assembly, and a shielding layer.
  • Substantially all of the electrical components 220 are disposed on a first side of the PCB 210, which is shown in Figures 2a through 2c as the lower side of the PCB 210, and the electrical components 220 form a printed circuit board assembly (PCB A) with the PCB 210 to control the operation of the inductive charging antenna.
  • the antenna assembly is disposed on a second side of the PCB 210, which is shown as the upper side of the PCB 210 in Figures 2a through 2c.
  • the shielding layer is a chassis 230 for supporting the antenna assembly.
  • the chassis 230 is grounded and disposed between the PCB 210 and the antenna assembly to avoid interference between the PCB A consisting of the PCB 210 and the electrical components 210 and the antenna assembly. That is to say, the chassis 230 is disposed on the second side of the PCB 210.
  • the chassis 230 can be a substantially flat metal plate.
  • the chassis 230 has contact portions 231, 232 so as to be surface-mounted by them on the ground pads on the surface of the PCB 210.
  • the chassis 230 may be a stamped metal plate.
  • the electrical components 220 are disposed on a first side of PCB 210 such that it can be well shielded. Since the chassis 230 is electrically connected to the PCB 210 directly without using a connector such as the connector 160, the volume, cost, and weight of the inductive charging antenna construction 200 are thus reduced. In addition, the above-described mounting method in a surface-mounting manner allows for automated assembly of the chassis 230, for example, by reflow soldering, thereby increasing the automation and yield of the antenna construction.
  • the antenna assembly comprises a magnetic isolation sheet 240 and three coils 250, wherein the magnetic isolation sheet 240 is located between the coil 250 and the chassis 230.
  • the magnetic isolation sheet 240 may be made of ferrite and is adhered to the chassis 230. Further, the magnetic isolation sheet 240 may be rigid or flexible. The magnetic isolation sheet 240 can be rigid. Most of the current transmitter applications use rigid ferrite plates (which are approximately 2 mm in thickness and thus rigid) as magnetic isolation components. In order to reduce the thickness and weight of the inductive charging antenna construction 200 and thereby reducing the required space and cost, the thickness of the magnetic isolation sheet 240 can be reduced to become flexible. It should be noted, however, that the performance of the magnetic isolation sheet 240 is degraded as the thickness is reduced.
  • the thickness of the flexible magnetic isolation sheet 240 is preferably to be less than 0.5 mm, specifically, preferably to be 0.2 mm, 0.3 mm or 0.5 mm. In order to prevent breakage, the magnetic isolation sheet 240 may be encapsulated between the PET films.
  • the number of coils 250 is not limited to be three and may be one, two or more than three.
  • three coils 250 are disposed on the magnetic isolation sheet 240, wherein one coil 250 is stacked on the other two coils 250.
  • the coils 250 can be a flat stamped coil (for example, the coil described in WO2015/077782A1) in order to reduce the volume of the antenna construction, or they can be in other forms, for example, in the form of a litz wire.
  • the coils 250 may include a coil body 251 and an electrical connecting terminal 252.
  • the coil body 251 can be adhered to the magnetic isolation sheet 240.
  • the coils 250 are electrically connected to the PCB 210 through the electrical connecting terminals 252 to be controlled by the PCB A.
  • the electrical connecting terminals 252 may be surface-mounted on the PCB 210. Holes (or notches) 233 and holes (or notches) 241 may be provided in the chassis 230 and in the magnetic isolation sheet 240, respectively.
  • the electrical connecting terminals 252 are surface-mounted to the PCB 210 through the holes 233 and the holes 241.
  • the antenna assembly may also comprise three temperature sensing elements 270, for measuring the temperature of the coils 250, which temperature sensing elements 270 may be negative temperature coefficient (NTC) elements.
  • Each temperature sensing element 270 is electrically connected (preferably, surface-assembled) to the PCB 210 and disposed near the center of the respective coil 250.
  • the temperature sensing elements 270 are connected to PCB 210 by a hole (or notch) 234 in the chassis 230.
  • the electrical components 220 are disposed on the first side of the PCB 210.
  • electrical components with smaller dimensions may be allowed to be located on the second side of the PCB 210, such as by passing through holes or notches in the chassis 230, as long as their influence on the shielding effect of the chassis 230 meets the design requirements.
  • the printed circuit board 210 may be a multilayer printed circuit board.
  • the configuration of the antenna assembly is not limited to that of the antenna assembly according to the embodiments of the present invention.
  • the inductive charging antenna construction of the present disclosure may be designed according to the QI standard of the Wireless Power Consortium (WPC), or may be designed according to other standards.
  • WPC Wireless Power Consortium
  • FIGS. 3a to 3d illustrate perspective views of an inductive charging antenna construction 200 in accordance with another embodiment of the present invention.
  • the descriptionsof the antenna construction of this embodiment which are identical to or which can be easily understood from the embodiment shown in FIGS. 2a to 2c will be omitted.
  • the inductive charging antenna construction 300 comprises a PCB 310, electrical components 320, an antenna assembly, and a shielding layer, wherein the shielding layer is a chassis 330.
  • the antenna assembly comprises a magnetic isolation sheet 340 and three coils 350, wherein the magnetic isolation sheet 340 is located between the coils 350 and the chassis 330.
  • the coil 350 includes a coil body 351 and electrical connecting terminals 252 through which the coil 350 is through-hole mounted to the PCB 310 so as to be electrically connected with the PCB 310.
  • the electrical connecting terminals 352 of the coil 350 are configured as fork- shaped structure extending perpendicular to the plane of the coil body 351, and each of the fork-shaped electrical connecting terminals 352 has two pin-shaped branches 353.
  • Each of the branches 353 passes through a hole formed in the magnetic isolation sheet 340 and in the chassis 330 respectively, is inserted into a through hole 311 formed in the PCB 310 , and is soldered to the PCB 310.
  • FIGS. 4a to 4d illustrate perspective views of an inductive charging antenna construction 400 in accordance with another embodiment of the present invention.
  • the descriptions of the antenna construction of this embodiment which are identical to or which can be easily understood from the embodiment shown in FIGS. 2a to 2c will be omitted.
  • the inductive charging antenna construction 400 comprises a PCB 410, electrical components 420, an antenna assembly, and a shielding layer, wherein the shielding layer is a chassis 430.
  • the antenna assembly comprises a magnetic isolation sheet 440 and three coils 450, wherein the magnetic isolation sheet 440 is located between the coils 450 and the chassis 430.
  • a coil 450 comprises a coil body 451, and electrical connecting terminals 452 through which the coil 450 is surface-mounted to the PCB 410 to be electrically connected to the PCB 410.
  • the electrical connecting terminals 452 of the coil 450 are configured as a hook structure.
  • the number of the hook-shaped electrical connecting terminals 452 is two, and the opening directions of the two electrical connecting terminals 452 are opposite, with the opening direction of one electrical connection terminal 452 being opposite to the direction of the position of the other electrical connection terminal 452 with respect to the said one electrical connection terminal 452.
  • Each of the electrical connecting terminals 452 passes through a hole formed in the magnetic isolation sheet 440, the chassis 430 and the PCB 420 respectively, is hooked to a portion of the edge of the hole formed in the PCB 210, and is soldered to the PCB 210.
  • the contact portions 231, 232 of the chassis 230, 330, 430 may be located elsewhere or have other forms. Further, the chassis 230, 330, 430 may also be through-hole mounted to the grounded pad of the PCB 210, 310, 410 through the contact portions 231, 232, and may have other forms. The invention is not limited thereto. Additionally, a portion of the chassis 230, 330, 430 can also be adhered on the PCBs 210, 310, 410.
  • FIG. 5 shows a perspective view of an inductive charging antenna construction 500 in accordance with another embodiment of the present invention.
  • the description of the antenna construction of this embodiment which are identical to or which can be easily understood from the embodiment shown in FIGS. 2a to 2c will be omitted.
  • the inductive charging antenna construction 500 comprises a PCB 510, electrical components 520, an antenna assembly, and a shielding layer (not shown in the Figures).
  • the shielding layer is a ground layer of the PCB 510 that covers substantially the entire surface of the PCB 510.
  • the ground layer of the PCB 510 can be a flat copper layer plated or coated on the PCB 510.
  • the ground layer is used to avoid interference between the PCBA and the antenna assembly which PCBA consisting of the PCB 510 and the electrical components 520. In this case, the chassis can be omitted.
  • the shielding layer is a ground layer of the PCB 310 covering substantially the entire surface of the PCB 310, however, holes or notches are allowed to be present in the ground layer of the PCB 310 as long as its influence on the shielding effect of the ground layer satisfies the design requirements.
  • the antenna assembly comprises a magnetic isolation sheet 540 and a coil 550.
  • the electrical connecting terminals 552 of the coil 550 are connected to the PCB 510 through a hole (or a notch) 541 formed in the magnetic isolation sheet 540 and a hole (or a notch) formed in the ground layer.
  • the electrical connecting terminal 552 may be electrically connected to the electrical components 520 located on the first side of the PCB 510 through a buried via.
  • the antenna assembly may further comprise a temperature sensing element (not shown).
  • a method for manufacturing an inductive charging antenna construction 200, 300, 400 in accordance with an embodiment of the present invention may comprise: providing a PCB 210, 310, 410; mounting substantially all of the electrical components 220, 320, 420 on a first side of PCB 210, 310, 410; attaching a chassis 230, 330, 430 to a second side of PCB 210, 310, 410; attaching a magnetic isolation sheet 240, 340, 440 to the chassis 230, 330, 430; disposing the coil 250, 350, 450 on the magnetic isolation sheet 240, 340, 440, and electrically connecting the coils 250, 350, 450 directly to the PCB 210, 310, 410 by soldering.
  • the contact portions 231, 232 of the chassis 230, 430, 440 may be surface-mounted on the second side of the PCB 210, 310, 410 directly by a reflow process.
  • the contact portions 231, 232 of the chassis 230, 430, 440 may also be through-hole mounted to or otherwise soldered to the second side of PCB 210, 310, 410 directly.
  • the magnetic isolation sheet 240, 340, 440 may be bonded to the chassis 230, 330, 430 using an adhesive.
  • the coil 250, 350, 450 may be directly connected to the PCB 210, 310, 410 by directly soldering the electrical connecting terminals 252, 352, 452 thereof onto the PCB 210, 310, 410, for example by means of surface-mounting (for example, in the case of the inductive charging antenna construction 200 of Figures 2a-2c and Figures 4a-4d), by through-hole mounting (e.g., in the case of the inductive charging antenna constructions 300, 400 of Figures 3a-3d), by other means, or by a combination of surface-mounting, through-hole mounting and other means.
  • surface-mounting for example, in the case of the inductive charging antenna construction 200 of Figures 2a-2c and Figures 4a-4d
  • through-hole mounting e.g., in the case of the inductive charging antenna constructions 300, 400 of Figures 3a-3d
  • the method for manufacturing the antenna construction 200 can also comprise assembling a temperature sensing element 270 onto the PCB 210, 310, 410.
  • a method for manufacturing the inductive charging antenna construction 200, 300, 400 may comprise: providing a PCB 210, 310, 410; mounting substantially all of the electrical components 220, 320, 420 on a first side of PCB 210, 310, 410; manufacturing a preassembly; attaching preassembly to the second side of the PCB 210, 310, 410.
  • the preassembly can be placed onto the PCB 210, 310, 410 using a pick and place machine.
  • the step of manufacturing the preassembly may comprise: providing a chassis 230, 330, 430; attaching a magnetic isolation sheet 240, 340, 440 onto the chassis 230, 330, 430; and disposing a coil 250, 350, 450 on the magnetic isolation sheet 240, 340, 440, and electrically connecting the coil 250, 350, 450 to the PCB 210, 310, 410 directly by soldering.
  • attaching the preassembly to the PCB 210, 310, 410 may comprise surface-mounting the contact portions 231, 232 of the chassis 230, 330, 430 onto a pad of the PCB 210, 310, 410 through a reflow process, or may comprise through-hole mounting or otherwise soldering the contact portions 231, 232 onto the pad of the PCB 210, 310, 410.
  • the coil 250, 350, 450 can be directly electrically connected to the PCB 210, 310, 410 by directly soldering the electrical connecting terminals 252, 352, 452 thereof onto the PCB 210, 310, 410. .
  • a method for manufacturing an inductive charging antenna construction 500 in accordance with another embodiment of the present invention may comprise: providing a PCB 510; disposing substantially all of the electrical components 520 for controlling the inductive charging antenna construction 500 on a first side of the PCB 510; plating a ground layer of the printed circuit board on substantially the entire surface on the second side of the PCB 510, as a shield layer; attaching a magnetic isolation sheet 540 to the ground layer; and disposing a coil 550 on the magnetic isolation sheet 540 and directly connecting the coil 550 to the printed circuit board by soldering.
  • the inductive charging antenna constructions 200, 300, 400, and 500 described above may be included in a wireless charging module for wireless charging.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne une structure d'antenne et son procédé de fabrication, ladite structure d'antenne comprenant : une carte de circuit imprimé (PCB) pourvue de composants électriques pour commander des opérations de l'antenne de recharge par induction; un ensemble antenne de recharge par induction; et une couche de blindage; sensiblement tous les composants électriques étant agencés sur un premier côté de la carte de circuit imprimé, l'ensemble antenne étant agencé sur un second côté de la carte de circuit imprimé opposé au premier côté; et la couche de blindage étant mise à la terre et située entre l'ensemble antenne et la carte de circuit imprimé. La présente invention concerne également un module de recharge sans fil comportant la structure d'antenne.
PCT/EP2018/079712 2017-10-30 2018-10-30 Structure d'antenne de recharge par induction et son procédé de fabrication, et module d'alimentation sans fil WO2019086455A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711052424.2 2017-10-30
CN201711052424.2A CN109728409A (zh) 2017-10-30 2017-10-30 感应充电天线结构及其制造方法，无线充电模块

Publications (1)

Publication Number Publication Date
WO2019086455A1 true WO2019086455A1 (fr) 2019-05-09

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WO (1) WO2019086455A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN111953081A (zh) * 2019-05-14 2020-11-17 法雷奥舒适驾驶助手公司 集成压电冷却系统的再辐射天线
CN113300096B (zh) * 2021-04-21 2022-04-22 惠州高盛达科技有限公司 拼接式pcb天线

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120049991A1 (en) * 2010-08-25 2012-03-01 Access Business Group International Llc Wireless power supply system and multi-layer shim assembly
US20130015718A1 (en) * 2011-07-14 2013-01-17 Chun-Kil Jung Wireless power transmitting device for wireless power communication system
WO2015077782A1 (fr) 2013-11-25 2015-05-28 A.K. Stamping Company, Inc. Bobine de charge sans fil
US20150244064A1 (en) * 2013-12-26 2015-08-27 Murata Manufacturing Co., Ltd. Communication terminal device
US20160315503A1 (en) * 2015-04-27 2016-10-27 Samsung Electronics Co., Ltd. Wireless power receiver
WO2017136076A1 (fr) * 2016-02-01 2017-08-10 Veryly Life Sciences Llc Réseau à commande de phase pour alimenter sans fil des dispositifs implantables

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4636950B2 (ja) * 2005-06-22 2011-02-23 株式会社日立メディアエレクトロニクス 伝送回路、アンテナ共用器、高周波スイッチ回路
CN101442152B (zh) * 2007-11-22 2013-05-01 宏达国际电子股份有限公司 天线装置
WO2010001987A1 (fr) * 2008-07-04 2010-01-07 株式会社村田製作所 Dispositif à circuit intégré sans fil
JP2012527214A (ja) * 2009-05-12 2012-11-01 オークランド ユニサービシズ リミテッド 誘導電力伝達装置および同装置を備えた電気オートサイクル充電装置
JP2015144160A (ja) * 2014-01-31 2015-08-06 デクセリアルズ株式会社 アンテナ装置、非接触電力伝送用アンテナユニット、電子機器
JP2015149405A (ja) * 2014-02-06 2015-08-20 デクセリアルズ株式会社 アンテナ装置、非接触電力伝送用アンテナユニット、及び電子機器
CN104282989A (zh) * 2014-10-28 2015-01-14 成都龙腾中远信息技术有限公司 双天线屏蔽结构
CN104901374B (zh) * 2015-06-04 2018-04-27 上海与德通讯技术有限公司 移动终端及基于移动终端的无线充电控制方法
CN204809393U (zh) * 2015-06-30 2015-11-25 比亚迪股份有限公司 一种天线模组

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120049991A1 (en) * 2010-08-25 2012-03-01 Access Business Group International Llc Wireless power supply system and multi-layer shim assembly
US20130015718A1 (en) * 2011-07-14 2013-01-17 Chun-Kil Jung Wireless power transmitting device for wireless power communication system
WO2015077782A1 (fr) 2013-11-25 2015-05-28 A.K. Stamping Company, Inc. Bobine de charge sans fil
US20150244064A1 (en) * 2013-12-26 2015-08-27 Murata Manufacturing Co., Ltd. Communication terminal device
US20160315503A1 (en) * 2015-04-27 2016-10-27 Samsung Electronics Co., Ltd. Wireless power receiver
WO2017136076A1 (fr) * 2016-02-01 2017-08-10 Veryly Life Sciences Llc Réseau à commande de phase pour alimenter sans fil des dispositifs implantables

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