CN107134649A - Coil antenna module and preparation method thereof - Google Patents
Coil antenna module and preparation method thereof Download PDFInfo
- Publication number
- CN107134649A CN107134649A CN201610107543.2A CN201610107543A CN107134649A CN 107134649 A CN107134649 A CN 107134649A CN 201610107543 A CN201610107543 A CN 201610107543A CN 107134649 A CN107134649 A CN 107134649A
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- China
- Prior art keywords
- coil
- magnetic isolation
- isolation layer
- layer
- coils
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- Legal status (The legal status 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 status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
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- Near-Field Transmission Systems (AREA)
Abstract
The present invention relates to coil antenna technical field, a kind of coil antenna module and preparation method thereof is disclosed.In the present invention, comprising:First magnetic isolation layer, the second magnetic isolation layer, substrate and coil layer;Coil layer includes wireless near field communication NFC coils and Wireless charging coil, and the first magnetic isolation layer is the magnetic isolation layer of NFC coils, and the second magnetic isolation layer is the magnetic isolation layer of Wireless charging coil;Substrate is arranged at the side of coil layer, and the first magnetic isolation layer and the second magnetic isolation layer are arranged at the opposite side of coil layer.Coil antenna module preparation method is simple, reduces the area and thickness of coil antenna module, and can realize WPC wireless chargings, three kinds of functions of PMA wireless chargings and NFC wireless near field communications.
Description
Technical field
The present invention relates to coil antenna technical field, more particularly to set NFC wireless near field communications and branch
Hold the coil antenna module of various modes wireless charging.
Background technology
In the electronic device, part electronic equipment supports the short distance wireless communication technology (Near Field
Communication, abbreviation NFC) and wireless charging, wherein, the standard of wireless charging has Qi
Standard, Power Matters Alliance (PMA) standard, Qi standards are by wireless charging alliance (Wireless
Power Consortium, abbreviation WPC) release wireless charging standard, its Wireless charging coil used
Referred to as WPC coils, the Wireless charging coil letter that Power Matters Alliance (PMA) standard is used
Referred to as PMA coils, coil used in NFC is referred to as NFC coils.
At present, WPC wireless chargings, PMA wireless chargings and NFC wireless near field communications are all to separate
Coil antenna module is done, being then arranged on the ready-made coil antenna module with difference in functionality again needs
Equipment on, if an electronic equipment has a variety of functions, need that various functions are installed on the device
Coil antenna module, cause that coil antenna module area occupied space is larger, thickness is also larger, it is existing
In the also coil antenna module without these three integrated functions.
The content of the invention
It is an object of the invention to provide a kind of coil antenna module and preparation method thereof so that can make
Go out set WPC wireless chargings, the line of three kinds of functions of PMA wireless chargings and NFC wireless near field communications
Antenna modules are enclosed, and reduce the area and thickness of coil antenna module, and preparation method is simple.
In order to solve the above technical problems, embodiments of the present invention provide a kind of coil antenna module, bag
Contain:First magnetic isolation layer, the second magnetic isolation layer, substrate and coil layer;Coil layer includes near radio
Communicate NFC coils and Wireless charging coil;First magnetic isolation layer is the magnetic isolation layer of NFC coils, the
Two magnetic isolation layers are the magnetic isolation layer of Wireless charging coil;Substrate is arranged at the side of coil layer, the first magnetic
Isolation layer and the second magnetic isolation layer are arranged at the opposite side of coil layer.
Embodiments of the present invention additionally provide a kind of preparation method of coil antenna module, include following step
Suddenly:Make the coil layer comprising wireless near field communication NFC coils and Wireless charging coil;In coil layer
Side set a substrate;In the opposite side of coil layer, the first magnetic isolation layer and the second magnetic isolation layer are set;
Wherein, the first magnetic isolation layer is the magnetic isolation layer of NFC coils, and the second magnetic isolation layer is Wireless charging coil
Magnetic isolation layer.
Embodiment of the present invention in terms of existing technologies, by the way that NFC coils and wireless charging will be included
The coil layer of electric coil, the magnetic isolation layer with corresponding to each coil, is fitted on substrate according to order, system
Set WPC wireless chargings, the coil antenna module of tri- kinds of functions of PMA wireless chargings and NFC are made,
And the area and thickness of coil antenna module are reduced, preparation method is simple.
In addition, the first magnetic isolation layer is ferrite-plate;Second magnetic isolation layer is composite panel;Substrate is
Glue material plate.The magnetic isolation layer corresponding with coil is set effectively to completely cut off extraneous magnetic disturbance.
In addition, the second magnetic isolation layer and coil layer are respectively arranged at the both sides of the first magnetic isolation layer;Coil layer
On be provided with terminal pad corresponding with NFC coils and Wireless charging coil respectively;The two of NFC coils
End is respectively connecting in the terminal pad corresponding with NFC coils, and the two ends of Wireless charging coil are connected respectively
On to the terminal pad corresponding with Wireless charging coil.
In addition, Wireless charging coil is located in the space that NFC coils are surrounded;Wireless charging coil is supported
WPC wireless chargings and PMA wireless chargings.Reduce the space resources that coil takes, moreover it is possible to realize and support
The wireless charging of multiple standards.
In addition, Wireless charging coil is the built-up coil of WPC coils and PMA coils, WPC coils
In the space that PMA coils are surrounded;Or, PMA coils are located at what WPC coils were surrounded
In space;Second magnetic isolation layer and coil layer are respectively arranged at the two sides of the first magnetic isolation layer;In coil layer
Be provided with NFC coils, WPC coils, the one-to-one terminal pad of PMA coils, NFC coils
Two ends are respectively connecting in the terminal pad corresponding with NFC coils, and the two ends of WPC coils are connected respectively
On to the terminal pad corresponding with WPC coils, the two ends of PMA coils are respectively connecting to and PMA lines
In the corresponding terminal pad of circle.
In addition, the spacing distance between each adjacent windings is more than the cabling spacing of each coil itself.Ensure phase
Relative independentability between adjacent line circle, between each coil itself cabling, reduces mutually dry between each coil
Disturb.
Brief description of the drawings
Fig. 1 is the structural representation of the coil antenna module according to first embodiment of the invention;
Fig. 2 is the structural representation of the coil layer of the coil antenna module according to first embodiment of the invention
Figure;
Fig. 3 is the flow chart of the preparation method of the coil antenna module according to third embodiment of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this hair
Bright each embodiment is explained in detail.However, it will be understood by those skilled in the art that
In each embodiment of the invention, in order that reader more fully understands the application and to propose many technologies thin
Section.But, even if many variations and modification without these ins and outs and based on following embodiment,
Each claim of the application technical scheme claimed can also be realized.
The first embodiment of the present invention is related to a kind of coil antenna module, and structural representation is as shown in Figure 1.
Comprising the first magnetic isolation layer 3, the second magnetic isolation layer 4, substrate 1 and coil layer 2.Coil layer is comprising near
Distance wireless communication NFC coils and Wireless charging coil.Specifically, Wireless charging coil 8 is located at
In the space that NFC coils 7 are surrounded (as shown in Figure 2), or NFC coils are located at wireless charging electric wire
Corral into space in, or the two walks into being arranged side by side in order to reduce adjacent windings and each coil
Magnetic disturbance between line, is provided with spacing distance, and each adjacent lines between each adjacent windings and respective coil cabling
Spacing distance between circle is more than the cabling spacing of each coil itself.The Wireless charging coil 8 can be supported
The wireless charging of WPC standards and the wireless charging of PMA standards, during wireless charging, wireless charging
The type for the wireless charging standard that electric coil is supported according to power supply device carries out Auto-matching.
The magnetic isolation layer of NFC coils 7 is the first magnetic isolation layer 3, the magnetic isolation layer of Wireless charging coil 8
For the second magnetic isolation layer 4, the material that the first magnetic isolation layer 3 is chosen in the present embodiment is ferrite-plate,
The material that second magnetic isolation layer 4 is chosen is composite panel, and the material that substrate 1 is chosen is glue material plate.Its
In, the laminating of coil layer 2 is arranged in the side of ferrite-plate 3, and the laminating of composite panel 4 is arranged in ferrite
The opposite side of plate 3.
The terminal pad 5 corresponding with NFC coils 7, the two of NFC coils 7 are provided with coil layer 2
End is respectively connecting in the terminal pad 5 corresponding with NFC coils 7;Be additionally provided with coil layer 2 with
The corresponding terminal pad 6 of Wireless charging coil 8, the two ends of Wireless charging coil 8 are respectively connecting to and nothing
In the corresponding terminal pad 6 of line charge coil 8.
It is seen that, in the present embodiment, by the way that NFC coils and Wireless charging coil will be included
Coil layer, the magnetic isolation layer with corresponding to each coil, is fitted on substrate according to order, produces set
The coil antenna module of WPC wireless chargings, tri- kinds of functions of PMA wireless chargings and NFC, and reduce
The area and thickness of coil antenna module, preparation method are simple.
Second embodiment of the present invention is related to a kind of coil antenna module.Second embodiment is real with first
Apply mode roughly the same, be in place of the main distinction:In the first embodiment, Wireless charging coil
One is set, WPC wireless chargings and PMA wireless chargings can be supported.And in the second embodiment party of the invention
In formula, two Wireless charging coils are set, WPC wireless chargings and PMA wireless chargings is respectively used to.
In the case where not influenceing the thickness and area of coil antenna module, increase a Wireless charging coil, make
Obtain the function more Focus of Wireless charging coil.
Specifically, Wireless charging coil is the built-up coil of WPC coils and PMA coils, WPC
Coil is located in the space that PMA coils are surrounded, or, PMA coils are enclosed positioned at WPC coils
Into space in.NFC coils, WPC coils and PMA coils collectively constitute coil layer, and each phase
Spacing distance between adjacent line circle is more than the cabling spacing of each coil itself, and coil layer laminating is arranged in first
The side of magnetic isolation layer ferrite-plate, the second magnetic isolation layer composite panel is located at the first magnetic isolation layer iron oxygen
The opposite side of body plate, that is to say that the second magnetic isolation layer composite panel and coil layer are respectively arranged at the first magnetic
The both sides of isolation layer ferrite-plate.It is additionally provided with coil layer and NFC coils, WPC coils, PMA
The one-to-one terminal pad of coil, the two ends of NFC coils are respectively connecting to corresponding with NFC coils
In terminal pad, the two ends of WPC coils are respectively connecting in the terminal pad corresponding with WPC coils, PMA
The two ends of coil are respectively connecting in the terminal pad corresponding with PMA coils.
In the present embodiment, in the case where not influenceing the thickness and area of coil antenna module, increase
One Wireless charging coil so that the function of Wireless charging coil more Focus.
Third embodiment of the invention is related to a kind of preparation method of coil antenna module, its flow such as Fig. 3
It is shown, comprise the following steps that:
Step 301, the coil layer comprising wireless near field communication NFC coils and Wireless charging coil is made.
NFC coils are being made and during Wireless charging coil, to ensure between adjacent windings and each coil itself cabling
Relative independentability, the spacing distance reduced between magnetic disturbance from each other, adjacent windings is more than each line
Itself cabling spacing distance is enclosed, each coil cabling can be located at for spiral shape arrangement, Wireless charging coil
In the space that NFC coils are surrounded, or NFC coils are located in the space that Wireless charging coil is surrounded,
Or NFC coils and Wireless charging coil it is arranged side by side.Wherein, Wireless charging coil can support WPC
The wireless charging that standard radio charges with PMA standards, the wireless charging mark selected by Wireless charging coil
The type for the wireless charging standard that standard is supported according to power supply device carries out Auto-matching.
Step 302, the side of coil layer is fitted with glue material plate.In the present embodiment, coil
The substrate chosen material of antenna modules is glue material plate, and the substrate is arranged on to the side of coil layer.
Step 303, the opposite side of coil layer is fitted with the side of ferrite-plate.In the coil day
In line module, the magnetic isolation layer of coil layer is the first magnetic isolation layer, and the material of selection is ferrite-plate, will
The coil layer laminating for including NFC coils is arranged on ferrite-plate and can ensure wireless near field communication
Best results.
In addition, in coil layer, producing company corresponding with NFC coils and Wireless charging coil respectively
Disk is connect, the two ends of NFC coils are respectively connecting in the terminal pad corresponding with NFC coils, by nothing
The two ends of line charge coil are respectively connecting in the terminal pad corresponding with Wireless charging coil.
Step 304, the opposite side of ferrite-plate is fitted with composite panel.Composite panel is
The magnetic isolation layer of Wireless charging coil, that is to say the second magnetic isolation layer.Composite panel is set to completely cut off
Extraneous magnetic disturbance, it is ensured that wireless charging process is smoothed out.
It is seen that, present embodiment is the embodiment of the method corresponding with first embodiment, this implementation
Mode can work in coordination implementation with first embodiment.The relevant technical details mentioned in first embodiment
In the present embodiment still effectively, in order to reduce repetition, repeat no more here.Correspondingly, this implementation
The relevant technical details mentioned in mode are also applicable in first embodiment.
The step of various methods are divided above, be intended merely to describe clear, one is can be merged into when realizing
Step is split to some steps, is decomposed into multiple steps, as long as comprising identical logical relation,
All in the protection domain of this patent.
It will be understood by those skilled in the art that the respective embodiments described above are to realize that the present invention's is specific
Embodiment, and in actual applications, can to it, various changes can be made in the form and details, without inclined
From the spirit and scope of the present invention.
Claims (10)
1. a kind of coil antenna module, it is characterised in that include:
First magnetic isolation layer, the second magnetic isolation layer, substrate and coil layer;
The coil layer includes wireless near field communication NFC coils and Wireless charging coil;
The first magnetic isolation layer is the magnetic isolation layer of the NFC coils, and the second magnetic isolation layer is
The magnetic isolation layer of the Wireless charging coil;
The substrate is arranged at the side of the coil layer, the first magnetic isolation layer and second magnetic every
Exhausted layer is arranged at the opposite side of the coil layer.
2. coil antenna module according to claim 1, it is characterised in that
The first magnetic isolation layer is ferrite-plate;
The second magnetic isolation layer is composite panel;
The substrate is glue material plate.
3. coil antenna module according to claim 1, it is characterised in that
The second magnetic isolation layer and the coil layer are respectively arranged at the both sides of the first magnetic isolation layer;
It is provided with the coil layer corresponding with the NFC coils and the Wireless charging coil respectively
Terminal pad;
The two ends of the NFC coils are respectively connecting in the terminal pad corresponding with the NFC coils,
The two ends of the Wireless charging coil are respectively connecting to the terminal pad corresponding with the Wireless charging coil
On.
4. coil antenna module according to claim 3, it is characterised in that
The Wireless charging coil is located in the space that the NFC coils are surrounded;
The Wireless charging coil supports WPC wireless chargings and PMA wireless chargings.
5. coil antenna module according to claim 1, it is characterised in that
The Wireless charging coil is the built-up coil of WPC coils and PMA coils;
The WPC coils are located in the space that the PMA coils are surrounded;Or, the PMA
Coil is located in the space that the WPC coils are surrounded;
The second magnetic isolation layer and the coil layer are respectively arranged at the both sides of the first magnetic isolation layer;
It is provided with the coil layer and the NFC coils, the WPC coils, the PMA lines
Enclose one-to-one terminal pad;
The two ends of the NFC coils are respectively connecting in the terminal pad corresponding with the NFC coils,
The two ends of the WPC coils are respectively connecting in the terminal pad corresponding with the WPC coils, institute
The two ends for stating PMA coils are respectively connecting in the terminal pad corresponding with the PMA coils.
6. the coil antenna module according to claim 4 or 5, it is characterised in that
Spacing distance between each adjacent windings is more than the cabling spacing of each coil itself.
7. a kind of preparation method of coil antenna module, it is characterised in that comprise the steps of:
Make the coil layer comprising wireless near field communication NFC coils and Wireless charging coil;
In the side of the coil layer, one substrate is set;
In the opposite side of the coil layer, the first magnetic isolation layer and the second magnetic isolation layer are set;
Wherein, the first magnetic isolation layer be the NFC coils magnetic isolation layer, second magnetic every
Exhausted layer is the magnetic isolation layer of the Wireless charging coil.
8. the preparation method of coil antenna module according to claim 7, it is characterised in that
In the step of opposite side of the coil layer sets the first magnetic isolation layer and the second magnetic isolation layer, bag
Containing following sub-step:
The coil layer is fitted with the side of the first magnetic isolation layer;
The opposite side of the first magnetic isolation layer is fitted with the second magnetic isolation layer;
Wherein, set in the coil layer respectively with the NFC coils and the Wireless charging coil
Corresponding terminal pad;The two ends of the NFC coils are respectively connecting to relative with the NFC coils
In the terminal pad answered, the two ends of the Wireless charging coil are respectively connecting to and the Wireless charging coil
In corresponding terminal pad.
9. the preparation method of coil antenna module according to claim 7, it is characterised in that
The first magnetic isolation layer is ferrite-plate;
The second magnetic isolation layer is composite panel;
The substrate is glue material plate.
10. the preparation method of coil antenna module according to claim 7, it is characterised in that institute
State in the step of making the coil layer comprising wireless near field communication NFC coils and Wireless charging coil,
The Wireless charging coil is arranged in the space that the NFC coils are surrounded.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610107543.2A CN107134649A (en) | 2016-02-26 | 2016-02-26 | Coil antenna module and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610107543.2A CN107134649A (en) | 2016-02-26 | 2016-02-26 | Coil antenna module and preparation method thereof |
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Publication Number | Publication Date |
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CN107134649A true CN107134649A (en) | 2017-09-05 |
Family
ID=59720793
Family Applications (1)
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CN201610107543.2A Pending CN107134649A (en) | 2016-02-26 | 2016-02-26 | Coil antenna module and preparation method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109103585A (en) * | 2018-07-10 | 2018-12-28 | 深圳市科迪诺电子技术有限公司 | A kind of NFC and WPC twin coil antenna and production technology |
CN110890615A (en) * | 2019-10-28 | 2020-03-17 | 深圳市物联云信息技术有限公司 | Passive electronic terminal and antenna module thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202797268U (en) * | 2012-06-28 | 2013-03-13 | 比亚迪股份有限公司 | NFC antenna and electronic equipment |
US20150145742A1 (en) * | 2012-05-14 | 2015-05-28 | Zte Corporation | Aerial Module and Mobile Terminal Device |
CN104871401A (en) * | 2012-12-13 | 2015-08-26 | Lg伊诺特有限公司 | Wirless power receiver and method of controlling the same |
CN105075016A (en) * | 2013-02-15 | 2015-11-18 | 阿莫技术有限公司 | Electromagnetic wave absorbing sheet and antenna module having same |
CN204927513U (en) * | 2015-09-11 | 2015-12-30 | 深圳市佳沃通信技术有限公司 | Synthetic coil antenna |
-
2016
- 2016-02-26 CN CN201610107543.2A patent/CN107134649A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150145742A1 (en) * | 2012-05-14 | 2015-05-28 | Zte Corporation | Aerial Module and Mobile Terminal Device |
CN202797268U (en) * | 2012-06-28 | 2013-03-13 | 比亚迪股份有限公司 | NFC antenna and electronic equipment |
CN104871401A (en) * | 2012-12-13 | 2015-08-26 | Lg伊诺特有限公司 | Wirless power receiver and method of controlling the same |
CN105075016A (en) * | 2013-02-15 | 2015-11-18 | 阿莫技术有限公司 | Electromagnetic wave absorbing sheet and antenna module having same |
CN204927513U (en) * | 2015-09-11 | 2015-12-30 | 深圳市佳沃通信技术有限公司 | Synthetic coil antenna |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109103585A (en) * | 2018-07-10 | 2018-12-28 | 深圳市科迪诺电子技术有限公司 | A kind of NFC and WPC twin coil antenna and production technology |
CN110890615A (en) * | 2019-10-28 | 2020-03-17 | 深圳市物联云信息技术有限公司 | Passive electronic terminal and antenna module thereof |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
CB02 | Change of applicant information |
Address after: Suzhou City, Jiangsu province 215126 East Road, Suzhou Industrial Park, No. 18 building 39 room 801 Applicant after: Suzhou blue Pei Wireless Communication Technology Co., Ltd. Address before: Zhongshan road Wuzhong District Mudu town of Suzhou city in Jiangsu province 215101 No. 70 room 2407 Applicant before: Suzhou Yinuo contact Electronic Technology Co. Ltd. |
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CB02 | Change of applicant information | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170905 |
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WD01 | Invention patent application deemed withdrawn after publication |