CN209266128U - Wireless device - Google Patents

Wireless device Download PDF

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Publication number
CN209266128U
CN209266128U CN201821838071.9U CN201821838071U CN209266128U CN 209266128 U CN209266128 U CN 209266128U CN 201821838071 U CN201821838071 U CN 201821838071U CN 209266128 U CN209266128 U CN 209266128U
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China
Prior art keywords
wireless device
helical structure
plain conductor
circle
coil unit
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CN201821838071.9U
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Chinese (zh)
Inventor
简凤龙
陈茂军
徐湘惠
李国瑞
林建宏
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TDK Taiwan Corp
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TDK Taiwan Corp
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Priority to JP2018217726A priority Critical patent/JP7233893B2/en
Priority to US16/197,912 priority patent/US10840738B2/en
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  • Coils Or Transformers For Communication (AREA)
  • Near-Field Transmission Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Eye Examination Apparatus (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

Present disclose provides a kind of wireless devices, including a first coil and an at least feed-through assembly.First coil includes one first plain conductor and one second plain conductor, and the first plain conductor is to be set to one first plane, has one first helical structure.Second plain conductor is to be set to one second plane, has one second helical structure, and the second plain conductor is to be electrically connected the first plain conductor.Feed-through assembly has an at least metal connecting piece, and wherein feed-through assembly is set to the innermost circle of the first helical structure and the second helical structure.

Description

Wireless device
Technical field
This disclosure relates to a kind of wireless device, in particular to a kind of wireless device with double layer of metal conducting wire.
Background technique
With the development of science and technology, many electronic devices (such as tablet computer or smart mobile phone) all have wireless charging now Function.Electronic device can be placed in a wireless charging transmitting terminal by user, so that the wireless charging in electronic device Receiving end generates electric current in the way of electromagnetic induction method or electromagentic resonance to charge the battery.Just due to wireless charging Benefit, so that the electronic device with wireless charging module is also gradually liked by masses.
In general, wireless charging device all can include a magnetic conductivity substrate, a coil is carried.Wherein, when coil is logical Electricity and operate in a wireless charging mode either a wireless communications mode when, magnetic conductivity substrate can make coil issue magnetic The line of force is more concentrated, to obtain better efficiency.However, the winding mode of existing coil and being unable to satisfy for wireless device Various requirement, such as need preferably to charge, communication efficiency and smaller thickness.
Therefore, the wireless device that can meet the various demands of user how is designed, is worth discussion and solution now Project.
Utility model content
In view of this, the disclosure proposes a kind of wireless device, to solve the above problem.
Present disclose provides a kind of wireless devices, including a first coil and an at least feed-through assembly.First coil packet One first plain conductor and one second plain conductor are included, the first plain conductor is to be set to one first plane, has one first Helical structure.Second plain conductor is to be set to one second plane, has one second helical structure, and the second plain conductor is electricity Property connection the first plain conductor.Feed-through assembly has an at least metal connecting piece, and wherein feed-through assembly is set to the first spiral knot The innermost circle of structure and the second helical structure.
According to some embodiments of the disclosure, wireless device further includes at least three feed-through assemblies, is set to the first spiral knot The circle second from the bottom of structure and the second helical structure.
According to some embodiments of the disclosure, the distance between these metal connecting pieces in the same feed-through assembly is substantially It is upper equal.
According to some embodiments of the disclosure, wireless device further includes one first connector, is located away from the second helical structure.
According to some embodiments of the disclosure, the first plain conductor further includes a separation conducting wire, and separating conducting wire is separation In the first helical structure.
According to some embodiments of the disclosure, separating conducting wire has a string configuration, and the innermost circle of the first helical structure has There is an end segment, and the extending direction of end segment is different from the extending direction of separation conducting wire.
According to some embodiments of the disclosure, the first helical structure is sequentially via the second helical structure, separation conducting wire coupling In the first connector.
According to some embodiments of the disclosure, the length of the first connector is each greater than in the second helical structure to enclose the total of width With.
According to some embodiments of the disclosure, the second plain conductor includes multiple linear sections and multiple curved sections, and first A part of these curved sections is truncated in connector.
According to some embodiments of the disclosure, when being watched by the direction perpendicular to the first plane, the first connector and first The end of helical structure forms a hollow region.
According to some embodiments of the disclosure, wireless device further includes one first connector, and the first connector is not truncated A part of second helical structure.
According to some embodiments of the disclosure, the innermost circle of the second helical structure is not truncated for the first connector.
According to some embodiments of the disclosure, the outmost turns of the width of the innermost circle of the first helical structure compared with the first helical structure Width it is narrow.
According to some embodiments of the disclosure, the first helical structure has a mesosphere, is set to innermost circle and outmost turns Between, wherein being formed with one first slit on mesosphere, mesosphere is divided into a left side and one right half by the first slit Portion, and the width of left side or right side is less than the width of the innermost circle of the first helical structure.
According to some embodiments of the disclosure, the first helical structure is cumulative by the width of interior each circle outwardly.
According to some embodiments of the disclosure, the first helical structure includes multiple linear sections and multiple curved sections, often The width of one curved section is greater than the width of coupled linear section.
According to some embodiments of the disclosure, the first plain conductor is formed with multiple slits, is respectively formed in these buckled zones Duan Shang.
According to some embodiments of the disclosure, wireless device further includes an electrical junction, is connected to the first helical structure The end of innermost circle.
According to some embodiments of the disclosure, wireless device further includes one first connector, is connected to the second helical structure Circle second from the bottom;And an electrical junction, it is connected to the circle last of the second helical structure.
According to some embodiments of the disclosure, wireless device further includes one first connector, is connected to the second helical structure Circle second from the bottom, and when by direction viewing perpendicular to the first plane, the innermost circle of the first helical structure and the second spiral The circle part second from the bottom of structure is not overlapped.
According to some embodiments of the disclosure, wireless device further includes one second coil, and the second coil includes a third Plain conductor is set to the first plane and around the first plain conductor;And one the 4th plain conductor, be set to the second plane and Around the second plain conductor.First coil operation is in a near-field communication frequency band, and the second coil manipulation is the one of power transmission Transmitting terminal or a receiving end.
The disclosure provides a kind of wireless device, including a coil unit.In some embodiments, coil unit may include one First coil, first coil can further comprise the first plain conductor and the second plain conductor, and the second plain conductor is to pass through An at least feed-through assembly is electrically connected at the first plain conductor, and feed-through assembly can be set in the first plain conductor and The innermost circle of two plain conductors allows the distribution of the current density of coil unit more evenly, make electric current be not easy to concentrate on it is specific Unnecessary thermal energy partially is generated, and then promotes whole efficiency.
In addition, in some embodiments, coil unit can further include one second coil, and wherein first coil is to be operable in One near-field communication (NFC) frequency band, and the second coil is a transmitting terminal or the receiving end for being operable as power transmission, to execute The function of wireless charging.Therefore it can make wireless device while carry out wireless communication and the function of wireless charging.
Detailed description of the invention
The disclosure detailed description after and can cooperate diagram to be apparent from.It is emphasized that according to The standing procedure of industry, the purpose that various features are not drawn to draw, and are merely to illustrate.In fact, in order to Clearly explanation, therefore the size of various features may arbitrarily zoom in or out.
Fig. 1 is the explosive view according to a wireless device of one embodiment of the disclosure.
Fig. 2 is the schematic top plan view according to the coil unit of one embodiment of the disclosure.
Fig. 3 is the schematic diagram according to the coil unit of one embodiment of the disclosure in the superstructure of one first plane.
Fig. 4 is the schematic diagram according to the coil unit of the disclosure this embodiment in the understructure of one second plane.
Fig. 5 is the diagrammatic cross-section according to Fig. 2 middle conductor A-A ' of the embodiment of the present disclosure.
Fig. 6 is the enlarged drawing according to the region X in Fig. 2 of the embodiment of the present disclosure.
Fig. 7 is the schematic diagram according to a coil unit of another embodiment of the disclosure in the second plane.
Fig. 8 is the schematic top plan view according to a coil unit of the wireless device of another embodiment of the disclosure.
Fig. 9 is the schematic diagram according to the coil unit of the embodiment of the present disclosure in the superstructure of one first plane.
Figure 10 is the schematic diagram according to the coil unit of the disclosure this embodiment in the understructure of one second plane.
Figure 11 is the schematic top plan view according to a coil unit of the wireless device of another embodiment of the disclosure.
Figure 12 is the schematic diagram according to the coil unit of the embodiment of the present disclosure in the superstructure of the first plane.
Figure 13 is the schematic diagram according to the coil unit of the disclosure this embodiment in the understructure of the second plane.
Figure 14 is the schematic top plan view according to a coil unit of the wireless device of another embodiment of the disclosure.
Figure 15 is the schematic diagram according to the coil unit of the embodiment of the present disclosure in the superstructure of the first plane.
Figure 16 is the schematic diagram according to the coil unit of the disclosure this embodiment in the understructure of the second plane.
Figure 17 is the schematic top plan view according to a coil unit of the wireless device of another embodiment of the disclosure.
Figure 18 is the schematic diagram according to the coil unit of the embodiment of the present disclosure in the superstructure of the first plane.
Figure 19 is the schematic diagram according to the coil unit of the disclosure this embodiment in the understructure of the second plane.
Figure 20 is the schematic top plan view according to a coil unit of the wireless device of another embodiment of the disclosure.
Figure 21 is the schematic diagram according to the coil unit of the embodiment of the present disclosure in the superstructure of the first plane.
Figure 22 is the schematic diagram according to the coil unit of the disclosure this embodiment in the understructure of the second plane.
Figure 23 is the schematic top plan view according to a coil unit of the wireless device of another embodiment of the disclosure.
Figure 24 is the schematic diagram according to the coil unit of the embodiment of the present disclosure in the superstructure of one first plane.
Figure 25 is the schematic diagram according to the coil unit of the disclosure this embodiment in the understructure of one second plane.
Figure 26 is the schematic top plan view according to a coil unit of the wireless device of another embodiment of the disclosure.
Figure 27 is the schematic diagram according to the coil unit of the embodiment of the present disclosure in the superstructure of the first plane.
Figure 28 is the schematic diagram according to the coil unit of the disclosure this embodiment in the understructure of the second plane.
Description of symbols:
50 electronic components
100 wireless devices
102 coil units
102A coil unit
1021 first planes
1022 second planes
1023 quasi- metallike conducting wires
1024 quasi- metallike conducting wires
1025 metal blocks
103 first terminal contacts
104 adhesion coatings
105 second terminal contacts
106 magnetic conductive boards
108 substrates
110 loop constructions
111 first plain conductors
112 second plain conductors
113 separation conducting wires
114 first connectors
116 innermost circles
118 first mesospheres
120 second mesospheres
1201 left sides
1202 right sides
The first slit of 120S
122 outmost turns
202 coil units
2021 first planes
2022 second planes
202A coil unit
202B coil unit
202C coil unit
202D coil unit
211 first plain conductors
2111 end segments
2112 innermost circles
212 second plain conductors
2121 non-parallel sections
2122 circles second from the bottom
214 first connectors
The first connector of 214A
The first connector of 214C
224 separation conducting wires
225 electrical junctions
226 electrical junctions
302 coil units
302A coil unit
3021 first planes
3022 second planes
304 first plain conductors
306 second plain conductors
308 third plain conductors
310 the 4th plain conductors
312 first plain conductors
314 second plain conductors
316 connecting wires
402 coil units
4021 first planes
4022 second planes
404 first plain conductors
4041 first angled sections
406 second plain conductors
4061 second angled sections
408 first separation units
410 second separation units
CA1, CA2, CA3, CA4, CA5, CA6, CA7 feed-through assembly
CS curved section
EC, EC1, EC2, EC3, EC4 electrical contact
L1 length
MC metal connecting piece
SS linear section
WT width summation
W1 width
W2, WA, WB, WC, WX width
Specific embodiment
In order to which purpose, feature and the advantage of the disclosure can be clearer and more comprehensible, special embodiment below, and appended by cooperation Diagram elaborates.Wherein, the configuration of each element in embodiment is for purposes of discussion, not to limit the disclosure.And The part of drawing reference numeral repeats in embodiment, is the relevance being not meant as between different embodiments to simplify the explanation.Below The direction term being previously mentioned in embodiment, such as: upper and lower, left and right, front or rear etc. are only the directions with reference to attached drawings.Cause This, the direction term used is intended to be illustrative and not intended to limit the disclosure.
It must be it is to be understood that can be deposited for the element for being particularly described or illustrating with various forms known to this skilled worker ?.In addition, when certain layer is in other layers or substrate "upper", it is possible to refer to that " direct " on other layers or substrate, or refers to certain layer On other layers or substrate, or refer to the other layers of sandwiched between other layers or substrate.
In addition, the term of relativity, such as " lower " or " bottom " and " higher " or " top " may be used in embodiment, To describe relativeness of the element for another element of diagram.It is appreciated that, if the device overturning of diagram made It turns upside down, then the element described in " lower " side will be as the element in " higher " side.
Here, the term of " about ", " about " is generally represented within the 20% of a given value or range, preferably 10% it It is interior, and within preferably 5%.Given quantity is quantity about herein, implies that in the case where no certain illustrated, still may be used The meaning of implicit " about ", " about ".
Referring to FIG. 1, Fig. 1 is the explosive view according to a wireless device 100 of one embodiment of the disclosure.As shown in Figure 1, nothing Line apparatus 100 may include a coil unit 102, an adhesion coating 104 and a magnetic conductive board 106.In this embodiment, coil list Member 102 is to be set on magnetic conductive board 106, and coil unit 102 is to be connected to magnetic conductive board 106 using adhesion coating 104.Its In, adhesion coating 104 can be adhesive tape or other any materials that can be used for connecting.
In addition, magnetic conductive board 106 can be a ferrite (Ferrite) in this embodiment, but not limited to this.For example, Magnetic conductive board 106 may also comprise nanocrystalline material in other embodiments.Magnetic conductive board 106 can have a magnetic permeability, correspond to coil Unit 102, so that the electromagnetic wave of coil unit 102 is more concentrated.
As shown in Figure 1, coil unit 102 includes a substrate 108 and a loop construction 110, and loop construction 110 is It is formed on substrate 108.In this embodiment, substrate 108 is a flexible circuit board, but not limited to this, as long as any available All meet the scope of the present disclosure in the substrate for forming loop construction 110.Furthermore coil unit 102 can be used as a charge coil, use To carry out wireless charging to an external electronic (such as tablet computer or smart mobile phone).
For example, the loop construction 110 of coil unit 102 can be based on wireless charging alliance (Alliance for Wireless Power;A4WP standard) as a resonant charge coil, but not limited to this.In addition, loop construction 110 is It can be based on the standard of wireless power alliance (Wireless Power Consortium, WPC), such as Qi standard, to feel as one Answer formula charge coil.Therefore, this embodiment can enable wireless device 100 correspond to various forms of charging modes simultaneously, to increase Add applicable range.For example, it at closely (such as 1cm or less), is operated using induction type;And when remote, Use resonant operation.
Next referring to Fig. 2 to Fig. 4, Fig. 2 be according to the schematic top plan view of the coil unit 102 of one embodiment of the disclosure, Fig. 3 is the schematic diagram according to the coil unit 102 of one embodiment of the disclosure in the superstructure of one first plane 1021, and is schemed 4 for according to the coil unit 102 of the disclosure this embodiment the understructure of one second plane 1022 schematic diagram.It is noted that It is that Fig. 4 middle line coil structures should be located at the lower section of the second plane 1022, but the loop construction for the sake of clear explanation, in Fig. 4 Still indicated with solid line.
As shown in Figure 3 and Figure 4, the loop construction 110 (first coil) of coil unit 102 may include one first plain conductor 111 and one second plain conductor 112, the first plain conductor 111 is to be set in the first plane 1021, and the second metal is led Line 112 is set in the second plane 1022.As shown in figure 3, coil unit 102 has a first terminal contact 103 and one Second terminal contact 105, configuration is to be electrically connected at an external circuit, such as a control chip.
Then, as shown in Figure 3 and Figure 4, the first plain conductor 111 is formed with one first helical structure, and the second metal is led Line 112 is formed with one second helical structure, approximately corresponds to the shape and width of the first helical structure.First plain conductor 111 be configuration to be connected to first terminal contact 103, and the second plain conductor 112 is that configuration is connect with being electrically connected at second terminal Point 105, and the second plain conductor 112 is configuration to be electrically connected at the first plain conductor 111.
Furthermore coil unit 102 can further include one or more feed-through assemblies, and each feed-through assembly includes multiple metal connections Part MC (alternatively referred to as via hole, via), configuration through substrate 108 with connecting the first plain conductor 111 and the second metal to be led Line 112.For example, as shown in Figures 2 to 4, coil unit 102 has an a feed-through assembly CA1 and feed-through assembly CA2, It is set to the innermost circle of the first, second helical structure, is configured to connect the first plain conductor 111 and the second plain conductor 112. By the way that multiple metal connecting piece MC are arranged, the distribution of the current density of coil unit 102 more evenly can be made, electric current is made to be not easy to collect In in specific part generate unnecessary thermal energy, and then promote whole efficiency.
As shown in figure 3, the first plain conductor 111 further includes a separation conducting wire 113, and separating conducting wire 113 is to be located at the In first helical structure of one plain conductor 111 and it is located away from the first helical structure.Furthermore as shown in figure 4, the second plain conductor 112 may include multiple linear section SS and multiple curved section CS.In this embodiment, the width of each curved section CS is greater than The width for the linear section SS being connected.For example, as shown in figure 3, outermost linear section SS has a width W1, and Curved section CS connected to it has a width W2, and width W2 is greater than width W1.It designs through this structure, it can be with Reduce the area of coil unit 102, to achieve the purpose that wireless device 100 is miniaturized.
It is worth noting that, as shown in Figures 2 to 4, coil unit 102 further includes one first connector 114, the first connection Part 114 is to be located away from aforementioned second helical structure, and the first helical structure is sequentially via feed-through assembly CA1, the second spiral Structure, separation conducting wire 113, feed-through assembly CA2 and be coupled to the first connector 114 (its sequence coupled can also be opposite).
Furthermore as shown in figure 4, the first connector 114 have a length L1, and in the second helical structure each circle width Summation be WT (along the extending direction of the first connector 114), wherein length L1 be greater than width summation WT so that loop construction Bad problem (such as short circuit) caused by 110 error when being not easy because of manufacture.In addition, in this embodiment, as shown in figure 4, the A connection piece 114 is the outside by extending to the second helical structure on the inside of the second helical structure and these curved sections CS is truncated A part.
In addition, please referring to Fig. 2 and Fig. 5, Fig. 5 is the diagrammatic cross-section according to Fig. 2 middle conductor A-A ' of the embodiment of the present disclosure. In this embodiment, as shown in Fig. 2, coil unit 102 can further include multiple feed-through assemblies, it is set to the first connector 114 Two sides.As shown in figures 2 and 5, feed-through assembly CA3 and feed-through assembly CA4 can make the first spiral knot of the first plain conductor 111 Structure is a part of in parallel with the second helical structure of the second plain conductor 112, therefore it is whole to can achieve reduction coil unit 102 The effect of impedance, and the circle number of the loop construction 110 of coil unit 102 can also be increased.
Furthermore as shown in Fig. 2, multiple metal connecting piece MC included by each feed-through assembly are along the first plain conductor 111 direction is arranged.For example, the metal connecting piece MC in feed-through assembly CA3 is two-by-two along the first plain conductor 111 extending direction is arranged.
It is the enlarged drawing according to the region X in Fig. 2 of the embodiment of the present disclosure next referring to Fig. 6, Fig. 6.As shown in fig. 6, First helical structure has an innermost circle 116, one first mesosphere 118, one second mesosphere 120 and an outmost turns 122.Its In, innermost circle 116 has a width WA, and outmost turns 122 have a width WX, and the width WA of innermost circle 116 is compared with outmost turns 122 width WX is narrow.In each embodiment of the disclosure, it can accordingly change the first plain conductor according to magnetic field strength The width of different circles in 111.For example, using relatively narrow width when corresponding to compared with high-intensity magnetic field, so that resistance value is higher, therefore can It reduces because being lost caused by eddy current.
In this embodiment, multiple slits can be formed on the first helical structure of the first plain conductor 111, are shape respectively At on curved section CS.Specifically, as shown in fig. 6, the first mesosphere 118 and the second mesosphere 120 be set to it is most interior Between circle 116 and outmost turns 122, and one first slit 120S is formed on the second mesosphere 120, and the first slit 120S Second mesosphere 120 is divided into a left side 1201 and a right side 1202.Left side 1201 and right side 1202 are distinguished With a width WC, and width WC is less than the width WA of the innermost circle 116 of the first helical structure.
Furthermore in this embodiment, the first helical structure can be cumulative by the width of interior circle each outwardly.This means, width WA is less than a width WB of the first mesosphere 118, and width WB is less than the width WX of outmost turns 122, and width WC is less than width WA.Structure configuration based on this embodiment, can reduce the loss of eddy current and or keep current density more average.
In addition, in some embodiments of the disclosure, as shown in Figure 2 and Figure 3, in order to increase the entirety of coil unit 102 Intensity, coil unit 102 can further include multiple quasi- metallike conducting wires, be set to the first plane 1021.In this embodiment, line Coil unit 102 includes multiple quasi- metallike conducting wires 1023 and quasi- metallike conducting wire 1024, and quasi- metallike conducting wire 1024 is Adjacent to first terminal contact 103 and second terminal contact 105.Wherein, intend metallike conducting wire 1023 and quasi- metallike conducting wire 1024 be electrically independent from the first plain conductor 111 and the second plain conductor 112, and a plurality of quasi- metallike conducting wire 1023 with A plurality of quasi- metallike conducting wire 1024 is all electrically independent each other.
By the way that quasi- metallike conducting wire 1023 and quasi- metallike conducting wire 1024 is arranged, the hardness of the part of substrate 108 can be made Rise, and the positioning of substrate 108 can be assisted using this quasi- metallike conducting wire 1023 and quasi- metallike conducting wire 1024, to be promoted Positioning accuracy and the convenience of assembling.In this embodiment, quasi- metallike conducting wire 1023 and quasi- metallike conducting wire 1024 are It is realized with threadiness, but not limited to this, such as can also be realized in other embodiments with shapes such as round or rectangles.
In Fig. 3, coil unit 102 can further include a metal blocks 1025, the first plane 1021 is set to, with further Increase the integral strength of coil unit 102.Furthermore a plurality of quasi- metallike conducting wire 1024 is to surround metal blocks 1025 and and metal Block 1025 is electrically independent.
Furthermore in the embodiment of Fig. 4 of the disclosure, wireless device 100 can further include an at least electronic component 50, setting In the second plane 1022, electronic component 50 is configuration to be electrically connected at two electrical contact EC.The setting position of electronic component 50 Set the position of the metal blocks 1025 for corresponding to be arranged in the first plane 1021 and partial quasi- metallike conducting wire 1024.Cause This, the electrical contact EC welded with electronic component 50 just will not be damaged easily being impacted, and then promotes wireless device 100 Reliability.
Referring to FIG. 7, Fig. 7 is a coil unit 102A the showing in the second plane 1022 according to another embodiment of the disclosure It is intended to.Coil unit 102A is similar to the coil unit 102 of Fig. 4, and difference is that the coil unit 102A of this embodiment includes extremely Feed-through assembly is the circle second from the bottom for being set to the first, second helical structure there are three few, is configured to be electrically connected at the first spiral shell Revolve structure and the second helical structure.(the first helical structure is identical as Fig. 3, therefore omits herein).
Specifically, in this embodiment, as shown in fig. 7, coil unit 102A includes two feed-through assembly CA5, two Feed-through assembly CA6 and two feed-through assembly CA7.Wherein, the feed-through assembly CA5 for being set to innermost circle may include that there are five metals Connector MC, and the distance between these metal connecting pieces MC is generally equal.In addition, feed-through assembly CA5, feed-through assembly CA6 and feed-through assembly CA7 is on the extending direction along the second plain conductor 112 to be equidistantly positioned, therefore can be with increase line The structural strength of coil unit 102A, and current density can also be made more evenly.
It is designed by the structure of this embodiment, can increase the structural strength of coil unit 102A, and it is also possible that Current density is more evenly.
Fig. 8 to Figure 10 is please referred to, Fig. 8 is the coil unit 202 according to the wireless device of another embodiment of the disclosure Schematic top plan view, Fig. 9 are the signal according to the coil unit 202 of the embodiment of the present disclosure in the superstructure of one first plane 2021 Figure, and Figure 10 is the signal according to the coil unit 202 of the disclosure this embodiment in the understructure of one second plane 2022 Figure.In this embodiment, coil unit 202 includes one first plain conductor 211 and one second plain conductor 212, is set respectively It is placed in the first plane 2021 and the second plane 2022, and the first plain conductor 211 and the second plain conductor 212 distinguish shape At one first helical structure and one second helical structure.
As shown in Figure 10, coil unit 202 further includes one first connector 214, is located away from the second helical structure.Furthermore As shown in figure 8, the first plain conductor 211 further includes a separation conducting wire 224, configuration by metal connecting piece MC connection first to be connected Fitting 214 and the second plain conductor 212.In this embodiment, as shown in figure 9, separation conducting wire 224 has a strip knot Structure, the innermost circle of the first helical structure has an end segment 2111, and the extending direction of end segment 2111 is different from separation and leads The extending direction of line 224.In this embodiment, the extending direction of end segment 2111 is substantially perpendicular to prolonging for separation conducting wire 224 Direction is stretched, but not limited to this embodiment.
The design extended respectively toward different directions through end segment 2111 and separation conducting wire 224, can increase coil list The contact area of member 202 and other elements, and then improving radiating effect.In addition, as shown in Figure 10, the second plain conductor 212 A settable non-parallel section 2121, promotes heat dissipation effect further.Furthermore it can be adjusted by corresponding electromagnetic field intensity Gap size between coil, to optimize the working efficiency of coil.
Figure 11 to Figure 13 is please referred to, Figure 11 is the coil unit 202A according to the wireless device of another embodiment of the disclosure Schematic top plan view, Figure 12 is to be shown according to the coil unit 202A of the embodiment of the present disclosure in the superstructure of the first plane 2021 It is intended to, and Figure 13 is the signal according to the coil unit 202A of the disclosure this embodiment in the understructure of the second plane 2022 Figure.
The coil unit 202A of this embodiment is similar to coil unit 202, and difference is in this embodiment, by perpendicular to When the direction viewing of one plane 2021, as shown in figure 11, the first spiral of the first connector 214A and the first plain conductor 211 One end 2111 of structure forms a hollow region HA.Structure design based on this embodiment, can promote coil unit 202A Induction efficiency and radiating efficiency.
Figure 14 to Figure 16 is please referred to, Figure 14 is the coil unit 202B according to the wireless device of another embodiment of the disclosure Schematic top plan view, Figure 15 is to be shown according to the coil unit 202B of the embodiment of the present disclosure in the superstructure of the first plane 2021 It is intended to, and Figure 16 is the signal according to the coil unit 202B of the disclosure this embodiment in the understructure of the second plane 2022 Figure.
The coil unit 202B of this embodiment is similar to coil unit 202A above-mentioned, and difference is in this embodiment, line Coil unit 202B further includes an electrical junction 225, is connected to the innermost circle of the first helical structure of the first plain conductor 211 End.Based on this embodiment structure design, coil unit 202B can by electrical junction 225 directly with an external circuit It is electrically connected, to increase the convenience of test coil unit 202B.
Figure 17 to Figure 19 is please referred to, Figure 17 is the coil unit 202C according to the wireless device of another embodiment of the disclosure Schematic top plan view, Figure 18 is to be shown according to the coil unit 202C of the embodiment of the present disclosure in the superstructure of the first plane 2021 It is intended to, and Figure 19 is the signal according to the coil unit 202C of the disclosure this embodiment in the understructure of the second plane 2022 Figure.
The coil unit 202C of this embodiment is similar to coil unit 202B above-mentioned, and difference is in this embodiment, line Coil unit 202C has an electrical junction 226, is connected to the last of the second helical structure of the second plain conductor 212 Circle.In addition, coil unit 202C further includes one first connector 214C, and the second spiral knot is not truncated by the first connector 214C A part of structure.Specifically, the innermost circle (circle last) of the second helical structure is not truncated by the first connector 214C, and First connector 214C is the circle second from the bottom for being connected to the second helical structure.
Based on this embodiment structure design, coil unit 202C can by electrical junction 226 directly with one outside Portion's circuit is electrically connected, such as connects a test device, to increase the convenience of test coil unit 202C.In addition, Multiple coil unit 202C can be made to be connected to a control chip via respective electrical junction 226, and it is controllable to control chip The connection type between multiple coil unit 202C is made, such as is connected with series connection or with parallel way.
Figure 20 to Figure 22 is please referred to, Figure 20 is the coil unit 202D according to the wireless device of another embodiment of the disclosure Schematic top plan view, Figure 21 is to be shown according to the coil unit 202D of the embodiment of the present disclosure in the superstructure of the first plane 2021 It is intended to, and Figure 22 is the signal according to the coil unit 202D of the disclosure this embodiment in the understructure of the second plane 2022 Figure.
The coil unit 202D of this embodiment is similar to coil unit 202C above-mentioned, wherein the 1 of coil unit 202D A connection piece 214D is to be connected to the circle second from the bottom 2122 of the second helical structure of the second plain conductor 212 (such as Figure 22 institute Show).It is worth noting that, the difference of this embodiment and previous embodiment is, as shown in figure 20, when by perpendicular to the first plane When 2021 direction viewing, the innermost circle 2112 of the first helical structure of the first plain conductor 211 and the second helical structure 2122 parts of circle second from the bottom are not overlapped.
In this embodiment, an innermost circle 2123 of the second plain conductor 212 and the innermost circle of the first plain conductor 211 2112 be the resistance for connecting in a series arrangement, therefore can reducing coil unit 202D entirety, and then can be reduced due to eddy current Caused by be lost.
Figure 23 to Figure 25 is please referred to, Figure 23 is the coil unit 302 according to the wireless device of another embodiment of the disclosure Schematic top plan view, Figure 24 is the superstructure according to the coil unit 302 of the embodiment of the present disclosure in one first plane 3021 Schematic diagram, and Figure 25 is the understructure according to the coil unit 302 of the disclosure this embodiment in one second plane 3022 Schematic diagram.
In this embodiment, the coil unit 302 of wireless device includes a first coil and one second coil, First Line Circle includes one first plain conductor 304 and one second plain conductor 306, is respectively arranged at the first plane 3021 and the second plane 3022.In addition, the second coil includes a third plain conductor 308 and one the 4th plain conductor 310, wherein third metal is led Line 308 is to be set to the first plane 3021 and around the first plain conductor 304, and the 4th plain conductor 310 is to be set to the Two planes 3022 and circular second plain conductor 306.
In this embodiment, the first plain conductor 304 is can be by 306 electricity of multiple feed-through assembly CA and the second plain conductor Property connection, and the second plain conductor 306 be electrically connected at by two feed-through assembly CA an electrical contact EC1 and one electricity Property contact EC2, so that first coil is electrically connected at an external circuit via electrical contact EC1 and electrical contact EC2.Third Plain conductor 308 is can be electrically connected by multiple feed-through assembly CA and the 4th plain conductor 310.Furthermore third plain conductor 308 are electrically coupled to an electrical contact EC3, and the 4th plain conductor 310 is that one is electrically connected at by feed-through assembly CA electrically Contact EC4, so that the second coil is electrically connected at an external circuit.
It is worth noting that, the first coil is to be operable in a near-field communication (NFC) frequency band in this embodiment, And second coil is a transmitting terminal or the receiving end for being operable as power transmission, to execute the function of wireless charging.
Structure design based on coil unit 302, can make wireless device while carry out wireless communication and wireless charging The function of electricity, and wireless device can also be made to realize the purpose being miniaturized.
Figure 26 to Figure 28 is please referred to, Figure 26 is the coil unit 302A according to the wireless device of another embodiment of the disclosure Schematic top plan view, Figure 27 is to be shown according to the coil unit 302A of the embodiment of the present disclosure in the superstructure of the first plane 3021 It is intended to, and Figure 28 is the signal according to the coil unit 302A of the disclosure this embodiment in the understructure of the second plane 3022 Figure.
Be similar to coil unit 302, in this embodiment, the coil unit 302A of wireless device include a first coil with And one second coil, first coil include one first plain conductor 312, are set in the first plane 3021.Second coil includes There is one second plain conductor 314, be set to the first plane 3021 and surround the first plain conductor 312, and the second plain conductor 314 are electrically connected at electrical contact EC1 and electrical contact EC2.Coil unit 302A and the difference of coil unit 302 is, Coil unit 302A includes a plurality of connecting wire 316, is set in the second plane 3022.In this embodiment, two connections are led Line 316 is configuration so that the first plain conductor 312 is connected to two electrical contact EC, and in addition three connecting wires 316 are configurations To be connected to the conducting wire of different circles in the second plain conductor 314 or the first plain conductor 312.
It is configured based on such structure, can simplify winding placement of the coil unit 302A in the second plane 3022 (wire layout)。
The disclosure provides a kind of wireless device, including a coil unit.In some embodiments, coil unit may include one First coil, first coil can further comprise the first plain conductor and the second plain conductor, and the second plain conductor is to pass through An at least feed-through assembly is electrically connected at the first plain conductor, and feed-through assembly can be set in the first plain conductor and The innermost circle of two plain conductors allows the distribution of the current density of coil unit more evenly, make electric current be not easy to concentrate on it is specific Unnecessary thermal energy partially is generated, and then promotes whole efficiency.
In addition, in some embodiments, coil unit can further include one second coil, and wherein first coil is to be operable in One near-field communication (NFC) frequency band, and the second coil is a transmitting terminal or the receiving end for being operable as power transmission, to execute The function of wireless charging.Therefore it can make wireless device while carry out wireless communication and the function of wireless charging.
Although embodiment of the disclosure and its advantage have been disclosed as above, it will be appreciated that any technical field Middle technical staff is not departing from spirit and scope of the present disclosure, when can change, substitute with retouching.In addition, the guarantor of the disclosure Shield range be not necessarily limited by processing procedure in specification in the specific embodiment, machine, manufacture, material composition, device, method and Step, technical staff can understand existing or following developed from the disclosure of the disclosure in any technical field Processing procedure, machine, manufacture, material composition, device, method and step, as long as can on the whole phase be implemented in the embodiment here Congenerous or the more or less the same result of acquisition can all be used according to the disclosure.Therefore, the protection scope of the disclosure include above-mentioned processing procedure, Machine, manufacture, material composition, device, method and step.In addition, each claim constitutes an other embodiment, and the disclosure Protection scope also include each claim and embodiment combination.

Claims (21)

1. a kind of wireless device, which is characterized in that the wireless device includes:
One first coil, comprising:
One first plain conductor is set to one first plane, has one first helical structure;And
One second plain conductor is set to one second plane, has one second helical structure, and be electrically connected first metal and lead Line;And
An at least feed-through assembly, have an at least metal connecting piece, wherein the feed-through assembly be set to first helical structure with The innermost circle of second helical structure.
2. wireless device as described in claim 1, which is characterized in that the wireless device further includes at least three feed-through assemblies, It is set to first helical structure and the circle second from the bottom of second helical structure.
3. wireless device as claimed in claim 2, which is characterized in that the metal connecting piece in the same feed-through assembly The distance between it is generally equal.
4. wireless device as described in claim 1, which is characterized in that the wireless device further includes one first connector, separation In second helical structure.
5. wireless device as claimed in claim 4, which is characterized in that first plain conductor further includes a separation conducting wire, and And the separation conducting wire is to be located away from first helical structure.
6. wireless device as claimed in claim 5, which is characterized in that the separation conducting wire has a string configuration, this first The innermost circle of helical structure has an end segment, and the extending direction of the end segment is different from the extension side of the separation conducting wire To.
7. wireless device as claimed in claim 5, which is characterized in that first helical structure is sequentially via second spiral Structure, the separation conducting wire are coupled to first connector.
8. wireless device as claimed in claim 4, which is characterized in that the length of first connector is greater than the second spiral knot The summation of each circle width in structure.
9. wireless device as claimed in claim 4, which is characterized in that second plain conductor includes multiple linear sections and more A curved section, and a part of the curved section is truncated in first connector.
10. wireless device as claimed in claim 4, which is characterized in that when being watched by the direction perpendicular to first plane, The end of first connector and first helical structure forms a hollow region.
11. wireless device as described in claim 1, which is characterized in that the wireless device further includes one first connector, and A part of second helical structure is not truncated for first connector.
12. wireless device as claimed in claim 11, which is characterized in that second helical structure is not truncated for first connector Innermost circle.
13. wireless device as described in claim 1, which is characterized in that the width of the innermost circle of first helical structure relatively should The width of the outmost turns of first helical structure is narrow.
14. wireless device as claimed in claim 13, which is characterized in that first helical structure has a mesosphere, setting Between the innermost circle and the outmost turns, wherein being formed with one first slit on the mesosphere, which will be in this Between circle be divided into a left side and a right side, and the width of the left side or the right side is less than first helical structure The innermost circle width.
15. wireless device as claimed in claim 14, which is characterized in that first helical structure is by interior each circle outwardly Width is cumulative.
16. wireless device as described in claim 1, which is characterized in that first helical structure include multiple linear sections with And multiple curved sections, and the width of each curved section is greater than the width of coupled linear section.
17. wireless device as claimed in claim 16, which is characterized in that first plain conductor has multiple slits, respectively It is formed in the curved section.
18. wireless device as described in claim 1, which is characterized in that the wireless device further includes an electrical junction, connection In the end of the innermost circle of first helical structure.
19. wireless device as described in claim 1, which is characterized in that the wireless device further include:
One first connector is connected to the circle second from the bottom of second helical structure;And
One electrical junction is connected to the circle last of second helical structure.
20. wireless device as described in claim 1, which is characterized in that the wireless device further includes one first connector, connection In the circle second from the bottom of second helical structure, and by perpendicular to first plane a direction viewing when, first spiral The innermost circle of structure and the circle part second from the bottom of second helical structure be not be overlapped.
21. wireless device as described in claim 1, which is characterized in that the wireless device further includes one second coil, and should Second coil includes:
One third plain conductor is set to first plane and around first plain conductor;And
One the 4th plain conductor is set to second plane and around second plain conductor;
Wherein first coil operation is in a near-field communication frequency band, and second coil manipulation is a transmitting terminal of power transmission An or receiving end.
CN201821838071.9U 2017-11-21 2018-11-08 Wireless device Active CN209266128U (en)

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TW201937829A (en) 2019-09-16
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TW201937517A (en) 2019-09-16
CN209169985U (en) 2019-07-26

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