CN208820048U - Antenna assembly and electronic equipment - Google Patents
Antenna assembly and electronic equipment Download PDFInfo
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- CN208820048U CN208820048U CN201821637056.8U CN201821637056U CN208820048U CN 208820048 U CN208820048 U CN 208820048U CN 201821637056 U CN201821637056 U CN 201821637056U CN 208820048 U CN208820048 U CN 208820048U
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Abstract
The utility model provides a kind of antenna assembly and electronic equipment, and the magnetic flux of the communication of first coil antenna is inhibited to impact the communication of the second coil antenna.In antenna assembly (1), the first magnetic substance has mutually opposed the first interarea and the second interarea.First coil antenna (6) has the first opening (61), and configures in the first interarea (51) side of the first magnetic substance (5).Second magnetic substance has mutually opposed third interarea and the 4th interarea.Second coil antenna (7) has the second opening (71), and at least part configuration is in third interarea (81) side of the second magnetic substance (8).First opening (61) of first coil antenna (6) is not be overlapped with the second opening (71) of the second coil antenna (7) under the vertical view of the first interarea (51) of the first magnetic substance (5).Second coil antenna (7) has configuration in the part of the first interarea (51) side of the first magnetic substance (5).
Description
Technical field
The utility model relates generally to antenna assembly and electronic equipment, in more detail, is related to having multiple coil antennas
Antenna assembly and have the electronic equipment of the antenna assembly.
Background technique
Conventionally, there is known having the antenna assembly of multiple coil antennas (for example, referring to patent document 1).
Antenna assembly described in Patent Document 1 has the coil antenna (first coil antenna) of wireless charging, short distance
The coil antenna (the second coil antenna) and magnetic substance of wireless communication.In antenna assembly described in Patent Document 1, with
The coil antenna of wireless charging is adjacent to the coil antenna configured with wireless near field communication.
Citation
Patent document
Patent document 1: International Publication No. 2013/088912
In previous antenna assembly described in Patent Document 1, the magnetic flux of the wireless charging from external device (ED) exists
After being interlinked with the coil antenna of wireless charging, it is possible to via the coil of magnetic substance and wireless near field communication
Antenna interlinks.Accordingly, there exist the magnetic flux of wireless charging to cause adverse effect to the processing in wireless near field communication
Such problems.
Utility model content
The utility model project to be solved
The utility model is the utility model completed in view of above-mentioned aspect, the purpose of the utility model is to provide
A kind of day that the magnetic flux for the communication being able to suppress first coil antenna impacts the communication of the second coil antenna is traditional thread binding
Set and have the electronic equipment of the antenna assembly.
A technical solution to solve project
The antenna assembly that one mode of the utility model is related to has the first magnetic substance, first coil antenna, the second magnetic
Property body and the second coil antenna.First magnetic substance has mutually opposed the first interarea and the second interarea.Described
One coil antenna has the first opening, and configures first main surface side in first magnetic substance.Second magnetic substance
With mutually opposed third interarea and the 4th interarea.Second coil antenna has the second opening, and at least part
Configure the third main surface side in second magnetic substance.First opening of the first coil antenna is described first
It is not be overlapped with second opening of second coil antenna under the vertical view of first interarea of magnetic substance.Second line
Enclose the part that antenna has configuration in first main surface side of first magnetic substance.
The electronic equipment that one mode of the utility model is related to has the antenna assembly and control unit.The control unit
The antenna assembly is controlled.
Utility model effect
The antenna assembly and electronic equipment that aforesaid way according to the present utility model is related to, are able to suppress first coil day
The magnetic flux of the communication of line impacts the communication of the second coil antenna.
Detailed description of the invention
Figure 1A is the main view for the antenna assembly that the embodiments of the present invention is related to.Figure 1B is antenna assembly ibid
In Figure 1A X1-X1 line cross-sectional view.Fig. 1 C is the concept map of antenna assembly ibid.
Fig. 2 is the perspective view of antenna assembly ibid.
Fig. 3 is the skeleton diagram for the electronic equipment that the embodiments of the present invention is related to.
Fig. 4 is the frequency characteristic of the magnetic permeability of the first magnetic substance and the second magnetic substance in the antenna assembly shown ibid
Curve graph.
Fig. 5 A is the main view for the antenna assembly that the variation 1 of the embodiments of the present invention is related to.Fig. 5 B is to be same as above
Antenna assembly in Fig. 5 A X2-X2 line cross-sectional view.Fig. 5 C is the concept map of antenna assembly ibid.
Fig. 6 is the perspective view of antenna assembly ibid.
Fig. 7 A is the main view for the antenna assembly that the variation 2 of the embodiments of the present invention is related to.Fig. 7 B is to be same as above
Antenna assembly in Fig. 7 A X3-X3 line cross-sectional view.Fig. 7 C is the concept map of antenna assembly ibid.
Fig. 8 is the perspective view of antenna assembly ibid.
Description of symbols
1,1a, 1b: antenna assembly, 3,3b: planar conductor, 5,5a, 5b: the first magnetic substance, 51,51a, 51b: first is main
Face, 52,52a, 52b: the second interarea, 6,6b: first coil antenna, the 61,61b: the first opening, the 7,7b: the second coil antenna,
71, the 71b: the second opening, 8,8a, 8b: the second magnetic substance, 81,81a, 81b: third interarea, 82,82a, 82b: the 4th interarea, 9:
Electronic equipment, 91: control unit, φ 11a, φ 11b, φ 12, φ 13: magnetic flux, φ 21a, φ 21b, φ 22, φ 23: magnetic flux.
Specific embodiment
Hereinafter, the antenna assembly and electronic equipment that are related to referring to attached drawing to embodiment are illustrated.In addition, about saying
The size and thickness and their size relationship that the constituent element that bright book and attached drawing are recorded, specification and attached drawing are recorded
It is to illustrate, these constituent elements are not limited to the illustration that specification and attached drawing are recorded.
(embodiment)
(1) overall structure of antenna assembly
As shown in Figure 1A, Figure 1B and Fig. 2, antenna assembly 1 of the present embodiment has antenna part 2 and plane is led
Body 3.Antenna part 2 has the first magnetic substance 5,6, two the second coil antennas 7 of first coil antenna and two the second magnetic substances
8。
First coil antenna 6 is configured in 51 side of the first interarea of the first magnetic substance 5.In contrast, the second coil antenna 7
At least part configuration is on the second magnetic substance 8.
In antenna assembly 1 as described above, the of the first opening 61 of first coil antenna 6 and the second coil antenna 7
Two openings 71 are not overlapped.
Moreover, the second coil antenna 7 has configuration in the part of 51 side of the first interarea of the first magnetic substance 5.Here, so-called
" configuration is in 51 side of the first interarea ", the configuration relation being expressed as follows, that is, under the vertical view of the first interarea 51, with the first interarea 51
Overlapping, close to the first interarea 51 compared with the second interarea 52.After in addition, so-called " in the n-th main surface side, (n is nature for configuration
Number) ", indicate same configuration relation.
As shown in figure 3, antenna assembly 1 as described above is equipped on electronic equipment 9, have multiple coil antennas, so-called
Combined antenna.
Antenna assembly 1 is for example for wireless charging and short-range wireless communication (non-contact wireless communication).As for day
The wireless charging mode of line apparatus 1, for example, there is magnetic field coupling-type as electromagnetic induction method and magnetic resonance mode.Make
For the wireless charging standard of electromagnetic induction method, such as there are WPC (Wireless Power Consortium, wireless charging Electricity Federation
Alliance) formulate standard " Qi (registered trademark) ".As the wireless charging standard of magnetic resonance mode, such as there is A4WP
The standard " Rezence (registered trademark) " that (Alliance for Wireless Power, wireless power alliance) formulates.As
For the short-range wireless communication of antenna assembly 1, such as there is NFC (Near Field Communication, near-field communication).
In the present embodiment, first coil antenna 6 is the coil antenna of wireless charging, and the second coil antenna 7 is close
The coil antenna of journey wireless communication.
The electronic equipment 9 for having antenna assembly 1 is, for example, portable phone, wearable device, wrist comprising smart phone
Phenotype terminal, headphone or hearing aid.Electronic equipment 9 has antenna assembly 1, and has control unit 91.Control unit 91
Antenna assembly 1 is controlled.
(2) each component of antenna assembly
Then, it is illustrated referring to each component of the attached drawing to antenna assembly 1 of the present embodiment.
(2.1) planar conductor
As shown in Figure 1A and 1B, planar conductor 3 is formed as such as quadrangle by metal etc..Planar conductor 3 for example by
The formation such as the homogenous materials such as aluminium, stainless steel or copper, composite material that different a variety of homogenous materials are combined into one.Plane
Conductor 3 is, for example, the metal shell for the secondary cell being mounted in electronic equipment 9 (referring to Fig. 3).Planar conductor 3 has interarea
31, being configured to D1 in a first direction, (first direction D1 is the direction orthogonal with the interarea 31 of planar conductor 3, or is overlooked flat
The direction of the interarea 31 of face conductor 3 or the thickness direction of planar conductor 3, or the first interarea with the first magnetic substance 5
51 or the second orthogonal direction of interarea 52, or the first interarea 51 of the first magnetic substance 5 or the direction of the second interarea 52 are overlooked,
The either thickness direction of the first magnetic substance 5.) on interarea 31 it is opposed with antenna part 2.In other words, planar conductor 3 is configured to flat
At least part is Chong Die with antenna part 2 under the vertical view of the interarea 31 of face conductor 3.In more detail, the D1 in a first direction of planar conductor 3
Upper configuration is in aftermentioned second interarea, 52 side of the first magnetic substance 5.In other words, planar conductor 3 is in the first direction dl with first
Aftermentioned first interarea 51 of magnetic substance 5 is compared and is configured closer to the second interarea 52.Interarea 31 is the plane of quadrangle.
In planar conductor 3, the size of second direction D2 (direction orthogonal with first direction D1, or led along plane
The direction of the interarea 31 of body 3) relative to first direction D1 size size ratio be greater than 1.That is, planar conductor 3 is
The size of the two direction D2 planar conductor longer than the size of first direction D1.
In addition, being not limited to the interarea 31 opposed with antenna part 2 is complete plane in planar conductor 3.Here,
Even if in the presence of the size (thickness of planar conductor 3) on the first direction D1 than planar conductor 3 or the size on second direction D2
Small bumps, alternatively referred to as plane.In addition, being also not limited to all planes of interarea 31.That is, interarea 31 can be at least one
Part is plane.Alternatively, it is also possible to replace planar conductor 3, the planar conductor with curved surface is used.
(2.2) antenna part
Antenna part 2 is formed as quadrangle, has 6, two substrate 4, the first magnetic substance 5, first coil antenna the second coils
Antenna 7 and two the second magnetic substances 8.In addition, although the illustration is omitted, but antenna part 2 is also equipped with protective layer.Antenna part 2
It is adjacent with planar conductor 3 (close) in the first direction dl.In addition, antenna part 2 can touch with planar conductor 3, it can also phase
Planar conductor 3 is configured across gap.
(2.2.1) substrate
Substrate 4 is formed as plate or sheet by electrically insulating materials such as resins, has the first interarea 41 and the second interarea 42.
As the electrically insulating material for substrate 4, such as there are polyimides, PET (Poly Ethylene Terephthalate: poly- couple
Ethylene terephthalate) or liquid crystal polymer (Liquid Crystal Polymer:LCP).Substrate 4 is from first direction D1
Vertical view under be quadrangle.The size of substrate 4 is the size of enough setting first coil antennas 6 and the second coil antenna 7.
(2.2.2) first magnetic substance
First magnetic substance 5 is rectangular plate or rectangular sheet, has the first interarea 51 and the second interarea 52.The
One magnetic substance 5 is formed by strong magnetic materials such as ferrites.For example, the first magnetic substance 5 be sintered body ferrite, amorphous magnetic substance,
Or magnetic piece.As the strong magnetic material for the first magnetic substance 5, such as there is Mn-Zn-Fe class ferrite.First magnetic substance 5 tool
Have than planar conductor 3, substrate 4 and the high magnetic permeability of protective layer (not shown).First interarea 51 of the first magnetic substance 5 and
Second interarea 52 of the first magnetic substance 5 is facing with each other in the first direction dl.
First magnetic substance 5 is in the region configured with first coil antenna 6 and the region configured with the second coil antenna 7
Any one in be respectively positioned on 42 side of the second interarea of substrate 4.
(2.2.3) first coil antenna
First coil antenna 6 is the ring-type of quadrangle under the vertical view from first direction D1, has the first opening 61.First
Coil antenna 6 is communicated in first band.
First coil antenna 6 is configured in 51 side of the first interarea of the first magnetic substance 5.In other words, first coil antenna 6 is
It is configured compared with the second interarea 52 of the first magnetic substance 5 closer to the first interarea 51 on one direction D1.
First coil antenna 6 is elongated linear conductor, and the first axle around D1 along a first direction is set as helical form.
In more detail, first coil antenna 6 is set as being wound with around first axle under the vertical view from the first axis direction (first direction D1)
The state of multi-turn.For example, first coil antenna 6 is set as being wound with the state of 4 circles.First coil antenna 6 is set by copper or aluminium etc.
Set the first interarea 41 in substrate 4.For example, by using on the first interarea 41 for etching or being printed on substrate 4 formed copper film or
Aluminium film, so that first coil antenna 6 is arranged in the first interarea 41 in substrate 4.
Here, in first coil antenna 6, it is so-called " being set as being wound with the state of N (N is natural number) circle ", not only wrap
The case where linear conducting wire is wound N circle is included, further includes that linear conductor is formed as the feelings for being wound with the shape that N is enclosed by pattern
Condition.
It is in one plane twined around wireline reel in swirl shape in addition, being set as spiral helicine first coil antenna 6 and can be
The two-dimensional coil antenna of the shape as multi-turn.Alternatively, being set as spiral helicine first coil antenna 6 is also possible to coiling
Wind the three-dimensional coil antenna of shape as multi-turn in the shape of a spiral around axis and along wireline reel.Figure 1A and Figure 1B show two
The coil antenna of dimension.
In such first coil antenna 6, first coil antenna 6 most inner circumferential and first coil antenna 6 it is outermost
Between week, conductor line width is all the same in whole positions.But conductor line width can also be in the most inner circumferential of first coil antenna 6
It is different between the most peripheral of first coil antenna 6.It is to wind such shape in the shape of a spiral around first axle in first coil antenna 6
In the case where shape, the conductor line width of first coil antenna 6 refers to, in the linear conductor for constituting first coil antenna 6 with length
The length of the orthogonal short side direction of edge direction.
In first coil antenna 6, conductor line width is wider than width between the line of two adjacent conductors.
(2.2.4) second magnetic substance
Two the second magnetic substances 8 are arranged correspondingly with two the second coil antennas 7.Each second magnetic substance 8 is formed as
Rectangular plate or rectangular sheet have third interarea 81 and the 4th interarea 82.The third interarea 81 of second magnetic substance 8
And second magnetic substance 8 the 4th interarea 82 it is facing with each other in the first direction dl.
Second magnetic substance 8 is formed by strong magnetic materials such as ferrites.For example, the second magnetic substance 8 be sintered body ferrite or
Magnetic piece.As the strong magnetic material for the second magnetic substance 8, such as there is Ni-Zn-Fe class ferrite.Second magnetic substance 8 has
The magnetic permeability higher than planar conductor 3, substrate 4, protective layer (not shown).
Second magnetic substance 8 is inserted into the second opening 71 of the second coil antenna 7.Aftermentioned in second coil antenna 7
One coil-conductor portion 72 is located at 81 side of third interarea on first direction D1.The third interarea 81 of second magnetic substance 8 is in first party
First coil conductor portion 72 on D1 with the second coil antenna 7 faces.On the other hand, aftermentioned in the second coil antenna 7
Second coil-conductor portion 73 is located at 82 side of the 4th interarea on first direction D1.4th interarea 82 of the second magnetic substance 8 is first
It is faced on the D1 of direction with the second coil-conductor portion 73 of the second coil antenna 7.
(2.2.5) second coil antenna
Each of two the second coil antennas 7 is the ring-type of quadrangle under the vertical view from first direction D1, has the
Two openings 71.Two the second coil antennas 7 are disposed adjacently with first coil antenna 6 in a second direction d 2.In other words, two
The two sides of first coil antenna 6 are arranged in second coil antenna 7 in a second direction d 2.Second coil antenna 7 is in second band
It is communicated.Second band is different from first band.
At least part of each second coil antenna 7 is configured in 81 side of third interarea of the second magnetic substance 8.In more detail,
Each second coil antenna 7 has first coil conductor portion 72 and the second coil-conductor portion 73.The configuration of first coil conductor portion 72 exists
81 side of third interarea of second magnetic substance 8.Second coil-conductor portion 73 is configured in 82 side of the 4th interarea of the second magnetic substance 8.The
One coil-conductor portion 72 and the second coil-conductor portion 73 do not overlap each other.In other words, first coil conductor portion 72 is in first party
It is configured compared with the third interarea 81 of the second magnetic substance 8 closer to the 4th interarea 82 on D1.Second coil-conductor portion 73
It is configured compared with the 4th interarea 82 of the second magnetic substance 8 closer to third interarea 81 in the first direction dl.
Each second coil antenna 7 is elongated linear conductor, and the second axis around D1 along a first direction is set as spiral
Shape.In more detail, each second coil antenna 7 is set as, around the second axis under the vertical view from the second axis direction (first direction D1)
It is wound with the state of multi-turn.For example, the second coil antenna 7 is set as being wound with the state of 4 circles.Second coil antenna 7 passes through copper
Or the first interarea 41 of substrate 4 is arranged in aluminium etc..For example, by utilizing shape on the first interarea 41 for etching or being printed on substrate 4
At copper film or aluminium film, so that the second coil antenna 7 is arranged in the first interarea 41 in substrate 4.
Here, in the second coil antenna 7, also in the same manner as first coil antenna 6, so-called " being set as being wound with N, (N is
Natural number) circle state ", not only include the case where that linear conducting wire has been wound N circle, further include the conductor of threadiness by pattern shape
The case where as the shape for being wound with N circle.
It is in one plane twined around wireline reel in swirl shape in addition, being set as spiral helicine second coil antenna 7 and can be
The two-dimensional coil antenna of the shape as multi-turn.Alternatively, be set as spiral helicine second coil antenna 7 be also possible to around
Wireline reel and the three-dimensional coil antenna for being wound with shape as multi-turn in the shape of a spiral along wireline reel.Figure 1A and Figure 1B show
Two-dimensional coil antenna out.
In such second coil antenna 7, the second coil antenna 7 most inner circumferential and the second coil antenna 7 it is outermost
Between week, conductor line width is all the same in whole positions.But conductor line width can also be in the most inner circumferential of the second coil antenna 7
It is different between the most peripheral of the second coil antenna 7.It is to be wound up as shape as helical form around the second axis in the second coil antenna 7
In the case where shape, the conductor line width of the second coil antenna 7 refers to, in the linear conductor for constituting the second coil antenna 7 with length
The length of the orthogonal short side direction of edge direction.
In each second coil antenna 7, conductor line width is wider than width between the line of two adjacent conductors.
In addition, the second coil antenna 7 is configured to, under the vertical view from first direction D1, the second of the second coil antenna 7 is opened
Mouth 71 and the first opening 61 of first coil antenna 6 be not be overlapped.
Moreover, the second coil antenna 7 has configuration in the part of 51 side of the first interarea of the first magnetic substance 5.In other words,
One magnetic substance 5 has first magnetic portion 53 opposed with first coil antenna 6 and two second opposed with the second coil antenna 7
Magnetic portion 54.In turn, in other words, the first magnetic substance 5 has Chong Die with first coil antenna 6 under the vertical view from first direction D1
The first magnetic portion 53 and two second magnetic portions 54 Chong Die with the second coil antenna 7.First magnetic portion 53 and two second
Magnetic portion 54 is formed as one in a second direction d 2.Each second magnetic portion 54 is from the end of the first magnetic portion 53 in second party
It is arranged with extending on D2.Each second magnetic portion 54 is a part of opposed with the second coil antenna 7.
The magnetic permeability of (2.2.6) first magnetic substance and the second magnetic substance
The magnetic permeability of the first magnetic substance 5 in first band is higher than the magnetic permeability of the first magnetic substance 5 in second band.This
Outside, the magnetic permeability of the first magnetic substance 5 in first band is higher than the magnetic permeability of the second magnetic substance 8 in first band.In turn, exist
In second band, the magnetic permeability of the second magnetic substance 8 is higher than the magnetic permeability of the first magnetic substance 5.
Here, being illustrated referring to frequency characteristic of the Fig. 4 to the magnetic permeability of the first magnetic substance 5.Fig. 4 shows the first magnetic substance
The outline shape of 5 characteristic A1.As above-mentioned, the material of the first magnetic substance 5 is Mn-Zn-Fe class ferrite.
First magnetic substance 5 is in first band (being the frequency range comprising 100kHz in the example in fig. 4) and compares first band
The low frequency band of lower frequency limit in there is relatively high magnetic permeability.Moreover, being more than the upper limiting frequency and the in first band
The frequency range of some frequency between the lower frequency limit of two frequency bands (being the frequency range comprising 13.56MHz in the example in fig. 4)
In, as frequency increases, magnetic permeability is lower.Although influence of first magnetic substance 5 to the magnetic flux of first band is big as a result,
It is that the first magnetic substance 5 is small to the influence for influencing to compare the magnetic flux of first band of the magnetic flux of second band.
Then, it is illustrated referring to frequency characteristic of the Fig. 4 to the magnetic permeability of the second magnetic substance 8.Fig. 4 shows the second magnetic substance
The outline shape of 8 characteristic A2.As above-mentioned, the material of the second magnetic substance 8 is Ni-Zn-Fe class ferrite.
Second magnetic substance 8 first band (being the frequency range comprising 100kHz in the example in fig. 4) and second band (
The frequency range comprising 13.56MHz in the example of Fig. 4) any frequency band in all have relatively high magnetic permeability.Moreover, being more than
In the frequency range of some frequency higher than the upper limiting frequency of second band, as frequency increases, magnetic permeability is lower.
According to the frequency characteristic of the magnetic permeability of the first magnetic substance 5 as described above and the magnetic permeability of the second magnetic substance 8
Frequency characteristic, in the first frequency band, the magnetic permeability of the first magnetic substance 5 are higher than the magnetic permeability of the second magnetic substance 8, in second band
In, the magnetic permeability of the second magnetic substance 8 is higher than the magnetic permeability of the first magnetic substance 5.The magnetic permeability of the second magnetic substance 8 in second band
The the ratio of the magnetic permeability relative to the first magnetic substance 5 the big the more preferred.It is highly preferred that the second magnetic substance 8 in second band is led
Magnetic rate is 10 or more relative to the ratio of the magnetic permeability of the first magnetic substance 5.It is further preferred that the second magnetic substance in second band
8 magnetic permeability is 20 or more and 100 or less relative to the ratio of the magnetic permeability of the first magnetic substance 5.Here, Fig. 4 be show characteristic A1,
The first band of characteristic A2 and the outline shape graph of the size relation in second band, the size ratio of magnetic permeability, curve
It's not limited to that for shape.
Frequency band in wireless charging is, for example, 100kHz wave band or 6.78MHz wave band.Frequency band example in short-range wireless communication
For example 300kHz wave band or 13.56MHz wave band.
Therefore, the combination as first band and second band, such as having first band is 100kHz wave band and the second frequency
The case where band is 13.56MHz wave band.In addition, another example of the combination as first band and second band, there is the first frequency
The case where band is 100kHz wave band and second band is 6.78MHz wave band.As another example of said combination, there is the first frequency
The case where band is 300kHz wave band and second band is 6.78MHz, first band is 300kHz wave band and second band is
The case where 13.56MHz.
In above-mentioned any combination, by using in the first frequency band with relatively high magnetic permeability and in second band
In with relatively low magnetic permeability the first magnetic substance 5 and all had in any of first band and second band
Second magnetic substance 8 of relatively high magnetic permeability, to can be adjusted to the direction of the magnetic flux of first band.
(3) magnetic flux in antenna assembly
Then, C is illustrated the magnetic flux in antenna assembly 1 of the present embodiment referring to Fig.1.As that above-mentioned
The magnetic permeability of sample, the first magnetic substance 5 is relatively high in the first frequency band, relatively low in the second frequency band.The magnetic conduction of second magnetic substance 8
Rate is relatively low in the first frequency band, relatively high in the second frequency band.That is, the first magnetic substance 5 in first band is led
Magnetic rate is lower than the magnetic permeability of the first magnetic substance 5 in second band.In the second frequency band, the magnetic permeability of the second magnetic substance 8 is than
The magnetic permeability of one magnetic substance 5 is high.
Firstly, generating the magnetic of first band in the other side side antenna assembly (not shown) communicated with antenna assembly 1
Flux
Magnetic fluxIt interlinks with the first opening 61 of first coil antenna 6, and it is magnetic to reach first
Body 5.As above-mentioned, the magnetic permeability of the first magnetic substance 5 in first band is high, therefore the magnetic flux of first bandAcross the inside of the first magnetic substance 5.Magnetic fluxIn the first magnetic substance 5 with first
The opposed part of coil antenna 6, in turn, the part opposed with the second coil antenna 7 in the first magnetic substance 5.
On the other hand, in the magnetic flux from other side side antenna assembly generation second band (not shown)'s
In the case of, the magnetic permeability of the first magnetic substance 5 in second band is low, therefore, even if the first magnetic substance 5 is covered in 3 side of planar conductor
A part of the second coil antenna of lid 7, magnetic fluxAlso it is hardly influenced by the first magnetic substance 5.Because the
The magnetic permeability of the second magnetic substance 8 in two frequency bands is high, so magnetic fluxAcross the second magnetic substance 8.Magnetic fluxThe second opening 71 of the second coil antenna 7 is passed through while passing through the second magnetic substance 8.
It, can be in the magnetic flux for reducing first band according to above-mentionedIt is handed over the second coil antenna 7
While chain, make the magnetic flux of second bandIt interlinks with the second coil antenna 7.
(4) effect
As described above, in antenna assembly 1 of the present embodiment, the second of the second coil antenna 7
For opening 71 under first 61 nonoverlapping states of opening of first coil antenna 6, the second coil antenna 7 has configuration in the first magnetic
The part of 51 side of the first interarea of property body 5.As a result, in the communication of first coil antenna 6, first coil antenna 6 is had passed through
The magnetic flux of first opening 61Incuded, so that right with first coil antenna 6 in the first magnetic substance 5
Therefore the part set, in turn, the part opposed with the second coil antenna 7 in the first magnetic substance 5 are able to suppress magnetic flux
AmountAcross the second opening 71 of the second coil antenna 7.As a result, being able to suppress the second coil antenna 7
Deterioration in characteristics.
On the other hand, in the communication of the second coil antenna 7, magnetic fluxAcross the second coil antenna 7
Second opening 71.Even if being also able to maintain that the as a result, in the part configured with the second coil antenna 7 there are the first magnetic substance 5
The communication of two coil antenna 7.
According to the above, the antenna assembly 1 being related to according to the present embodiment, the communication for being able to suppress first coil antenna 6 is used
Magnetic fluxThe communication of second coil antenna 7 is impacted.
In antenna assembly 1 of the present embodiment, what the second magnetic substance 8 was inserted into the second coil antenna 7 second is opened
Mouth 71.Even if the second opening 71 of the second coil antenna 7 is small as a result, it can also make magnetic fluxIt easily propagates through
Second opening 71.Thereby, it is possible to while inhibiting the deterioration in characteristics of the second coil antenna 7, reduce the second opening 71, Neng Goumou
Seek space saving.
In antenna assembly 1 of the present embodiment, the magnetic permeability of the first magnetic substance 5 in first band is than the second frequency
The magnetic permeability of the first magnetic substance 5 in band is high, and higher than the magnetic permeability of the second magnetic substance 8 in first band.Thereby, it is possible to select
Select the first magnetic substance 5 and the second magnetic of the purposes of the purposes for being respectively adapted to first coil antenna 6 and the second coil antenna 7
Property body 8 uses.
In antenna assembly 1 of the present embodiment, in the second frequency band, the magnetic permeability of the second magnetic substance 8 is than first
The magnetic permeability of magnetic substance 5 is high.Thereby, it is possible to further increase the characteristic of the second coil antenna 7.
In antenna assembly 1 of the present embodiment, planar conductor 3 configures the second interarea 52 in the first magnetic substance 5
Side.Thereby, it is possible to pass through the magnetic flux of the first band of the first of first coil antenna 6 the opening 61It is easy
Ground be altered to and the second direction D2 that intersects of the first interarea 51 or the orthogonal first direction D1 of the second interarea 52.As a result,
It can make poly- magnetic raising.
(5) variation
Hereinafter, being illustrated to modified embodiment of the present embodiment.
In antenna assembly 1, antenna part 2 is not limited to have two the second coil antennas 7.Antenna part 2 can also be only
Has second coil antenna 7.For example, antenna part 2 can only have the left side in two the second coil antennas 7 shown in figure 1A
Second coil antenna 7 of side can also only have second coil antenna 7 on right side.
As the antenna assembly 1a that modified embodiment of the present embodiment 1 is related to, as shown in Fig. 5 A, Fig. 5 B and Fig. 6, antenna
Portion 2a also can replace the second magnetic substance 8 and have the second magnetic substance 8a.In addition, for traditional thread binding with day of the present embodiment
1 same constituent element is set, marks same appended drawing reference, and omit the description.
Antenna part 2a has the second magnetic substance 8a, and have substrate 4a, the first magnetic substance 5a, first coil antenna 6, with
And second coil antenna 7.
Under the vertical view from first direction D1, the first magnetic substance 5a is not the second coil-conductor with the second coil antenna 7
Whole overlappings in portion 73, but it is only Chong Die with a part.
In the same manner as the first magnetic substance 5 of present embodiment, the first magnetic substance 5a is, for example, Mn-Zn-Fe class ferrite etc..
In addition, the magnetic permeability of the first magnetic substance 5a is also in the same manner as the magnetic permeability of the first magnetic substance 5, and it is high in the first frequency band, second
It is low in frequency band.
Second magnetic substance 8a is not the second opening 71 for being inserted into the second coil antenna 7, and is disposed on the second of substrate 4
42 side of interarea.That is, the second magnetic substance 8a's all configures relative to substrate 4 in side identical with the first magnetic substance 5.
The magnetic permeability of second magnetic substance 8 has characteristic same as the magnetic permeability of the second magnetic substance 8 of present embodiment.
Then, it is illustrated referring to magnetic flux of Fig. 5 C to the antenna assembly 1a that variation 1 is related to.As above-mentioned,
The magnetic permeability of the first magnetic substance 5a in first band is lower than the magnetic permeability of the first magnetic substance 5a in second band.In the second frequency
In band, the magnetic permeability of the second magnetic substance 8 is higher than the magnetic permeability of the first magnetic substance 5a.
Firstly, from the other side side antenna assembly communicated with antenna assembly 1a the magnetic flux (not shown) for generating first band
Amount
Magnetic fluxIt interlinks with the first opening 61 of first coil antenna 6, and reaches the first magnetic substance 5a.As upper
As stating, the magnetic permeability of the first magnetic substance 5a in first band is high, therefore the magnetic flux of first bandAcross first
The inside of magnetic substance 5a.Magnetic fluxThe part opposed with first coil antenna 6 in the first magnetic substance 5a, in turn,
The part opposed with the second coil antenna 7 in the first magnetic substance 5a.In the case where variation 1, the first magnetic substance 5a
It is adjacent with the second magnetic substance 8a.Therefore, in variation 1, also in the same manner as present embodiment, magnetic fluxFrom the first magnetism
Body 5a passes through the second magnetic substance 8a, is not passed through the second opening 71 of the second coil antenna 7.
On the other hand, in the magnetic flux from other side side antenna assembly generation second band (not shown)In the case where,
In the same manner as with the present embodiment the case where, magnetic fluxHardly the second coil day is passed through with being influenced by the first magnetic substance 5a
Second opening 71 of line 7.Then, magnetic fluxAcross the second magnetic substance 8.
It, also can be in the magnetic flux for inhibiting first band in variation 1 according to above-mentionedWith the second coil antenna 7
While interlinkage, make the magnetic flux of second bandIt interlinks with the second coil antenna 7.
In addition, the part for being provided with first coil antenna 6 and the part for being provided with the second coil antenna 7 can in substrate 4
Not to be arranged to one, and it is arranged to fission.In this case, two substrates can be connected, and can also separate.
As the antenna assembly 1b that modified embodiment of the present embodiment 2 is related to, as shown in Fig. 7 A, Fig. 7 B and Fig. 8, second
A part of coil antenna 7b can also be Chong Die with a part of first coil antenna 6b.In addition, for being related to present embodiment
And the same constituent element of antenna assembly 1, mark same appended drawing reference, and omit the description.
Antenna part 2b has first base material 43, the second substrate 44, the first magnetic substance 5b, first coil antenna 6b, the second line
Enclose antenna 7b and the second magnetic substance 8b.It is different from substrate 4 (B referring to Fig.1) in variation 2, first base material 43 and second
Substrate 44 is seperated.
First base material 43 is formed as plate or sheet in the same manner as substrate 4, by electrically insulating materials such as resins, has the first master
Face 431 and the second interarea 432.As the electrically insulating material for first base material 43, such as there are polyimides, PET or liquid crystal
Polymer.First base material 43 is quadrangle under the vertical view from first direction D1.The size of first base material 43 is to be enough to be arranged
The size of one coil antenna 6b.
Second substrate 44 is formed as plate or sheet in the same manner as first base material 43, by electrically insulating materials such as resins, has
First interarea 441 and the second interarea 442.As the electrically insulating material for the second substrate 44, such as there are polyimides, PET
Or liquid crystal polymer.Second substrate 44 is quadrangle under the vertical view from first direction D1.The size of second substrate 44 is to be enough
The size of second coil antenna 7b is set.
First magnetic substance 5b is in the same manner as the first magnetic substance 5 (A and Figure 1B referring to Fig.1), by the ferromagnetisms material such as ferrite
Material is formed as rectangular plate or rectangular sheet.First magnetic substance 5b is quadrangle under the vertical view from first direction D1
Ring-type, have first opening 61b.First coil antenna 6b in the same manner as first coil antenna 6 (A and Figure 1B referring to Fig.1),
Configuration is in the first side interarea 51b of the first magnetic substance 5b.First coil antenna 6b is arranged by copper or aluminium etc. in first base material 43
The first interarea 431.In addition, being omitted the description for structure same as first coil antenna 6 and function.
As shown in Fig. 7 B and Fig. 7 C, the first magnetic substance 5b is configured in the lower section of first coil antenna 6b.In turn, the first magnetic
Property body 5b a part configuration in the lower section of the second coil antenna 7b.That is, the first magnetic substance 5b is located at than the second coil antenna 7b
Further from the side of communication counterpart.First magnetic substance 5b does not cover the whole of the second coil antenna 7b, covering a part instead of.
But the first magnetic substance 5b does not cover the second opening 71b of the second coil antenna 7b.
Second coil antenna 7b is the ring-type of quadrangle under the vertical view from first direction D1, has the second opening 71b.The
Two coil antenna 7b is configured in the first side interarea 51b of the first magnetic substance 5b.In more detail, the plane of the second coil antenna 7b is led
The planar conductor 3b of body 3b and the first magnetic substance 5b are located at opposite side.Second coil antenna 7b is arranged by copper or aluminium etc. second
First interarea 441 of substrate 44.In addition, being omitted the description for structure same as the second coil antenna 7 and function.
In variation 2, also in the same manner as embodiment, the second coil antenna 7b is arranged in the second substrate 44, so that
It is Chong Die with the first magnetic substance 5b from a part of the second coil antenna 7b under the vertical view of first direction D1.That is, the second line
A part of circle antenna 7b is covered by the first magnetic substance 5b.In addition, the second coil antenna 7b is configured to, from first direction D1
Vertical view under, the 61b that is open of the first of the second opening 71b and first coil antenna 6b of the second coil antenna 7b is not be overlapped.
It is close that second magnetic substance 8b configures the first magnetic substance 5b institute in the second coil antenna 7b in the first direction dl
Surface side.Second magnetic substance 8b is in the same manner as the second magnetic substance 8 (A and Figure 1B referring to Fig.1), by strong magnetic materials such as ferrites
Be formed as rectangular plate or rectangular sheet.As the strong magnetic material for the second magnetic substance 8b, such as there is Ni-
Zn-Fe class ferrite.In addition, being omitted the description for structure same as the second magnetic substance 8 and function.
Then, it is illustrated referring to magnetic flux of Fig. 7 C to the antenna assembly 1b that embodiment 2 is related to.As that above-mentioned
The magnetic permeability of sample, the first magnetic substance 5b in first band is lower than the magnetic permeability of the first magnetic substance 5b in second band.?
In two frequency bands, the magnetic permeability of the second magnetic substance 8b is higher than the magnetic permeability of the first magnetic substance 5b.
Firstly, from the other side side antenna assembly communicated with antenna assembly 1b the magnetic flux (not shown) for generating first band
Amount
Magnetic fluxIt interlinks with the first opening 61b of first coil antenna 6b, and reaches the first magnetic substance 5b.Picture
As above-mentioned, because the magnetic permeability of the first magnetic substance 5b in first band is high, the magnetic flux of first bandIt wears
Cross the inside of the first magnetic substance 5b.Magnetic fluxThe portion opposed with first coil antenna 6b in the first magnetic substance 5b
Point, in turn, the part opposed with the second coil antenna 7b in the first magnetic substance 5b.In variation 2, with embodiment
Similarly, the first magnetic substance 5b covers a part of the second coil antenna 7b, and close with the second magnetic substance 8, therefore magnetic fluxThe second magnetic substance 8b is passed through from the first magnetic substance 5b, is not interlinked with the second opening 71b of the second coil antenna 7b.
On the other hand, in the magnetic flux from other side side antenna assembly generation second band (not shown)In the case where,
In the same manner as with the embodiment the case where, magnetic fluxHardly the second coil antenna is passed through with being influenced by the first magnetic substance 5b
The second opening 71b of 7b.Then, magnetic fluxAcross the second magnetic substance 8b.
It, also can be in the magnetic flux for reducing first band in variation 2 according to above-mentionedWith the second coil antenna 7b
While interlinkage, make the magnetic flux of second bandIt is easy to interlink with the second coil antenna 7b.
As described above, in the antenna assembly 1b that variation 2 is related to, the antenna assembly that is related to embodiment
1 similarly, can reduce the magnetic flux of first bandIt is handed over across the first magnetic substance 5b with the second coil antenna 7b
The case where chain.On the other hand, even if there is the first magnetic substance 5b, also it is able to maintain that the communication of second band.As a result, according to change
The antenna assembly 1b that shape example 2 is related to, is able to suppress the magnetic flux of the communication in first bandTo logical in second band
Letter impacts.
In addition, the second coil antenna 7b is configured in the antenna assembly 1b that variation 2 is related to, in the first magnetic substance 5b
The first side interarea 51b vertical view under, a part it is Chong Die with first coil antenna 6b.It is overlooked as a result, with the second coil antenna
Under compared with the nonoverlapping situation of first coil antenna, occupied area can be reduced.
Alternatively, it is also possible to be, not only a part of the second coil antenna 7b is Chong Die with a part of first coil antenna 6b,
And second magnetic substance 8b a part of a part and the first magnetic substance 5b it is Chong Die.In this case, in the second substrate 44
It is provided with the second coil antenna 7b on first interarea 441, the entire surface of the second interarea 442 of the second substrate 44 is provided with second
Magnetic substance 8b.Such construction is arranged on the first interarea 51 of the first magnetic substance 5b.Above-mentioned construction is set as, the first magnetic substance
A part of 5b is Chong Die with a part of the second coil antenna 7b.That is, under the vertical view from first direction D1, the second line
Enclose the part that antenna 7b has configuration in the first side interarea 51b of the first magnetic substance 5b.
In addition it is also possible to be, not above-mentioned construction is set to the first magnetic substance 5b, sets side by side with the first magnetic substance 5b
It sets, so that a part is Chong Die with the first magnetic substance 5b in the first direction dl.
In addition, it is also possible to the coil antenna that first coil antenna 6 is short-range wireless communication in antenna assembly 1,
Second coil antenna 7 is the coil antenna of wireless charging.
In addition, the purposes of antenna assembly 1 is not limited to the combination of wireless charging and short-range wireless communication.Antenna assembly 1
It can be used for the wireless charging of mutually different multiple standards.In this case, first coil antenna 6 and the second coil day
Line 7 is the coil antenna of the wireless charging of mutually different multiple standards.For example, first coil antenna 6 is the coil of Qi
Antenna, the second coil antenna 7 are the coil antenna of A4WP.
Alternatively, antenna assembly 1 can be used for the combination of the short-range wireless communication of mutually different multiple standards.In the feelings
Under condition, first coil antenna 6 and the second coil antenna 7 are the coils of the short-range wireless communication of mutually different multiple standards
Antenna.
The substrate for being provided with first coil antenna 6 and the substrate for being provided with the second coil antenna 7 can be one, can also be with
It is seperated.
Planar conductor 3 is not limited to the metal shell of secondary cell, is also possible to the shell of electronic equipment 9 (referring to Fig. 3)
The metal part of body can also be ground connection substrate, shielding box or the back metal of display etc. being mounted in electronic equipment 9
Various metal components.
In addition, planar conductor 3 be not limited to be configured to it is opposed with the whole of antenna part 2 in the first direction dl.For example,
Planar conductor 3 is also configurable to only opposed with first coil antenna 6 in the first direction dl.In short, as long as planar conductor 3 exists
With at least first opening 61 of first coil antenna 6 close to configuration on first direction D1.
In addition, antenna part 2 may not possess planar conductor 3 as modified embodiment of the present embodiment.That is, flat
Face conductor 3 is not required structure.
The shape of antenna part 2 is not limited to quadrangle.Antenna part 2 can also be formed under the vertical view from first direction D1
For round shape.Alternatively, antenna part 2 can also be formed as the polygon other than quadrangle.
First coil antenna 6 is not limited to one layer of construction as shown in Figure 1B, is also possible to two layers or more of construction.Together
Sample, the second coil antenna 7 is also not limited to one layer of construction, is also possible to two layers or more of construction.
In turn, the number of rings (winding number) of first coil antenna 6 is not limited to 4 circles.First coil antenna 6 can be set to
It is wound with 3 circles state below, may be set to be the state for being wound with 5 circles or more.Similarly, the ring of the second coil antenna 7
Number (winding number) is also not limited to 4 circles.Second coil antenna 7 can be set to be wound with 3 circles state below, also can be set
For the state for being wound with 5 circles or more.
As modified embodiment of the present embodiment, antenna part 2 also can replace the substrate 4 formed by electrically insulating materials such as resins
And has the substrate for example formed by magnetic material.Even if in the case where substrate is formed by magnetic material, first coil antenna 6
And second coil antenna 7 be also set up directly on the substrate of magnetic material.In addition, the case where substrate is formed by magnetic material
Under, it can also double as substrate and the first magnetic substance 5.Thereby, it is possible to reduce the thickness of the first direction D1 of antenna part 2.
In addition, first coil antenna 6 can be set in the first magnetic substance 5.Second coil antenna 7 can be set in the second magnetic
Property body 8.Alternatively, first coil antenna 6 and the second coil antenna 7 also can be set with the first magnetic substance 5 and the second magnetic
The property different magnetic substance of body 8.
In the antenna assembly 1 that above-mentioned each variation is related to, it is same also to reach the antenna assembly 1 being related to embodiment
Effect.
Embodiments described above and variation only the utility model various embodiments with
And a part of variation.As long as embodiment and variation being capable of roots in addition, can reach the purpose of this utility model
It is made various changes according to design etc..
(summary)
Mode below is disclosed by embodiments described above and variation.
The antenna assembly (1 that first method is related to；1a；1b) has the first magnetic substance (5；5a；5b), first coil antenna
(6；6b), the second magnetic substance (8；8a；8b) and the second coil antenna (7；7b).First magnetic substance (5；5a；5b) have mutual
The first opposed interarea (51；51a；51b) and the second interarea (52；52a；52b).First coil antenna (6；6b) have first
Opening (61；61b), configuration is in the first magnetic substance (5；5a；The first interarea (51 5b)；51b) side.Second magnetic substance (8；8a；
8b) there is mutually opposed third interarea (81；81a；81b) and the 4th interarea (82；82a；82b).Second coil antenna (7；
7b) there is the second opening (71；71b), at least part configuration is in the second magnetic substance (8；8a；Third interarea (81 8b)；81a；
81b) side.First coil antenna (6；The first opening (61 6b)；61b) in the first magnetic substance (5；5a；The first interarea 5b)
(51；51a；Under vertical view 51b) with the second coil antenna (7；The second opening (71 7b)；It is not overlapped 71b).Second coil antenna
(7；7b) have configuration in the first magnetic substance (5；5a；The first interarea (51 5b)；51a；51b) the part of side.
In the antenna assembly (1 that first method is related to；1a；In 1b), in the second coil antenna (7；The second opening 7b)
(71；71b) with first coil antenna (6；The first opening (61 6b)；61b) under nonoverlapping state, the second coil antenna (7；
7b) have configuration in the first magnetic substance (5；5a；The first interarea (51 5b)；51b) the part of side.As a result, in first coil day
Line (6；When 6b) communicating, first coil antenna (6 is had passed through；The first opening (61 6b)；Magnetic flux 61b)Across the first magnetic substance (5；5a；In 5b) with first coil antenna (6；It is 6b) opposed
Part, in turn, pass through the first magnetic substance (5；5a；In 5b) with the second coil antenna (7；7b) opposed part, therefore energy
It is enough to inhibit across the second coil antenna (7；The second opening (71 7b)；71b).As a result, being able to suppress the second coil antenna
(7；Deterioration in characteristics 7b).
On the other hand, in the second coil antenna (7；When 7b) communicating, magnetic flux It wears
Cross the second coil antenna (7；The second opening (71 7b)；71b).Even if being configured with the second coil antenna (7 as a result,；7b)
There are the first magnetic substances (5 for part；5a；5b), also it is able to maintain that the second coil antenna (7；Communication 7b).
According to antenna assembly (1 that is above-mentioned, being related to according to first method；1a；1b), it is able to suppress first coil antenna (6；
The magnetic flux of communication 6b)To the second coil antenna (7；Communication 7b) causes shadow
It rings.
In the antenna assembly (1) that second method is related to, in first method, the second magnetic substance (8) is inserted into the second line
Enclose second opening (71) of antenna (7).
In the antenna assembly (1) that second method is related to, the second magnetic substance (8) is inserted into the of the second coil antenna (7)
Two openings (71).Even if the second opening (71) of the second coil antenna (7) is small as a result, it can also make magnetic fluxEasily propagate through the second opening (71).Thereby, it is possible to inhibit the deterioration in characteristics of the second coil antenna (7)
Meanwhile reducing the second opening (71), it is possible to realize space saving.
In the antenna assembly (1 that Third Way is related to；1a；In 1b), in first method or second method, first coil day
Line (6；6b) communicated in first band.Second coil antenna (7；7b) communicated in second band.In first band
First magnetic substance (5；5a；Magnetic permeability 5b) is than the first magnetic substance (5 in second band；5a；Magnetic permeability 5b) is high.First frequency
The first magnetic substance (5 in band；5a；Magnetic permeability 5b) is than the second magnetic substance (8 in first band；8a；Magnetic permeability 8b) is high.
In the antenna assembly (1 that Third Way is related to；1a；The first magnetic substance (5 in 1b), in first band；5a；5b)
Magnetic permeability is than the first magnetic substance (5 in second band；5a；Magnetic permeability 5b) is high, and than the second magnetic substance in first band
(8；8a；Magnetic permeability 8b) is high.Thereby, it is possible to select using being respectively adapted to first coil antenna (6；Purposes 6b) and
Two coil antenna (7；First magnetic substance (5 of purposes 7b)；5a；5b) and the second magnetic substance (8；8a；8b).
In the antenna assembly (1 that fourth way is related to；1a；It is magnetic in second band, second in Third Way in 1b)
Body (8；8a；Magnetic permeability 8b) is than the first magnetic substance (5；5a；Magnetic permeability 5b) is high.
In the antenna assembly (1 that fourth way is related to；1a；In 1b), in second band, the second magnetic substance (8；8a；8b)
Magnetic permeability is than the first magnetic substance (5；5a；Magnetic permeability 5b) is high.Thereby, it is possible to make the second coil antenna (7；Characteristic 7b) is into one
Step improves.
In the antenna assembly (1b) that the 5th mode is related to, in any of first method~fourth way, second
Coil antenna (7b) is under the vertical view of side the first interarea (51b) of the first magnetic substance (5b), a part and first coil antenna
(6b) overlapping.
In the antenna assembly (1b) that the 5th mode is related to, the second coil antenna (7b) is configured to, in the first magnetic substance
Under the vertical view of the side first interarea (51b) of (5b), a part is Chong Die with first coil antenna (6b).As a result, with the second coil day
Line (7b) compared with first coil antenna (6b) nonoverlapping situation, can reduce occupied area under vertical view.
The antenna assembly (1 that 6th mode is related to；1a；1b) it is also equipped in any of first method~the 5th mode
Planar conductor (3；3b).Planar conductor (3；3b) configuration is in the first magnetic substance (5；5a；The second interarea (52 5b)；52a；52b)
Side.
In the antenna assembly (1 that the 6th mode is related to；1a；In 1b), in the first magnetic substance (5；5a；The second interarea 5b)
(52；52a；52b) side is configured with planar conductor (3；3b).Thereby, it is possible to will be from the first magnetic substance (5；5a；The first interarea 5b)
(51；51a；51b) lateral second interarea (52；52a；52b) the magnetic flux for the first band that side passes through Easily be altered to and the first interarea (51；51a；51b) or the second interarea (52；
52a；52b) the second direction (D2) that orthogonal first direction (D1) intersects.As a result, poly- magnetic raising can be made.
In the antenna assembly (1 that the 7th mode is related to；1a；In 1b), in any of first method~the 6th mode,
First coil antenna (6；6b) be wireless charging coil antenna.Second coil antenna (7；It 7b) is short-range wireless communication
Coil antenna.
The electronic equipment (9) that eighth mode is related to has any one antenna assembly (1 in first method~the 7th mode；
1a；1b) and control unit (91).Control unit (91) is to antenna assembly (1；1a；1b) controlled.
In the electronic equipment (9) that eighth mode is related to, in antenna assembly (1；1a；In 1b), in the second coil antenna (7；
The second opening (71 7b)；71b) with first coil antenna (6；The first opening (61 6b)；61b) under nonoverlapping state, the
Two coil antenna (7；7b) have configuration in the first magnetic substance (5；5a；The first interarea (51 5b)；51b) the part of side.As a result,
In first coil antenna (6；When 6b) communicating, first coil antenna (6 is had passed through；The first opening (61 6b)；Magnetic flux 61b)Across the first magnetic substance (5；5a；In 5b) with first coil antenna (6；It is 6b) opposed
Part, in turn, pass through the first magnetic substance (5；5a；In 5b) with the second coil antenna (7；7b) opposed part, therefore, energy
It is enough to inhibit across the second coil antenna (7；The second opening (71 7b)；71b).As a result, being able to suppress the second coil antenna
(7；Deterioration in characteristics 7b).
On the other hand, in antenna assembly (1；1a；In 1b), in the second coil antenna (7；When 7b) communicating, magnetic fluxAcross the second coil antenna (7；The second opening (71 7b)；71b).Even if as a result,
It is being configured with the second coil antenna (7；There are the first magnetic substances (5 for part 7b)；5a；5b), also it is able to maintain that the second coil day
Line (7；Communication 7b).
According to electronic equipment (9) that is above-mentioned, being related to according to eighth mode, it is able to suppress first coil antenna (6；6b) logical
The magnetic flux of creditTo the second coil antenna (7；Communication 7b) impacts.
Claims (8)
1. a kind of antenna assembly, which is characterized in that have:
First magnetic substance has mutually opposed the first interarea and the second interarea；
First coil antenna has the first opening, and configures first main surface side in first magnetic substance；
Second magnetic substance has mutually opposed third interarea and the 4th interarea；And
Second coil antenna has the second opening, and at least part configuration is in the third interarea of second magnetic substance
Side,
Described the first of the first coil antenna is open under the vertical view of first interarea of first magnetic substance and institute
Second opening for stating the second coil antenna is not overlapped,
Second coil antenna has configuration in the part of first main surface side of first magnetic substance.
2. antenna assembly according to claim 1, which is characterized in that
Second magnetic substance is inserted into second opening of second coil antenna.
3. antenna assembly according to claim 1 or 2, which is characterized in that
The first coil antenna is communicated in first band,
Second coil antenna is communicated in second band,
The magnetic permeability of first magnetic substance in the first band is than first magnetic substance in the second band
Magnetic permeability is high,
The magnetic permeability of first magnetic substance in the first band is than second magnetic substance in the first band
Magnetic permeability is high.
4. antenna assembly according to claim 3, which is characterized in that
In the second band, the magnetic permeability of second magnetic substance is higher than the magnetic permeability of first magnetic substance.
5. antenna assembly according to claim 1 or 2, which is characterized in that
Vertical view next part and described first of second coil antenna in first main surface side of first magnetic substance
Coil antenna overlapping.
6. antenna assembly according to claim 1 or 2, which is characterized in that
The antenna assembly is also equipped with: planar conductor, configures second main surface side in first magnetic substance.
7. antenna assembly according to claim 1 or 2, which is characterized in that
The first coil antenna is the coil antenna of wireless charging,
Second coil antenna is the coil antenna of short-range wireless communication.
8. a kind of electronic equipment, which is characterized in that have:
Antenna assembly described in any one of claim 1~7；And
Control unit controls the antenna assembly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017198021A JP2019071597A (en) | 2017-10-11 | 2017-10-11 | Antenna device and electronic apparatus |
| JP2017-198021 | 2017-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208820048U true CN208820048U (en) | 2019-05-03 |
Family
ID=66279334
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821637056.8U Active CN208820048U (en) | 2017-10-11 | 2018-10-09 | Antenna assembly and electronic equipment |
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| Country | Link |
|---|---|
| JP (1) | JP2019071597A (en) |
| CN (1) | CN208820048U (en) |
-
2017
- 2017-10-11 JP JP2017198021A patent/JP2019071597A/en active Pending
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