CN207638003U - Antenna assembly and electronic equipment - Google Patents
Antenna assembly and electronic equipment Download PDFInfo
- Publication number
- CN207638003U CN207638003U CN201690000700.3U CN201690000700U CN207638003U CN 207638003 U CN207638003 U CN 207638003U CN 201690000700 U CN201690000700 U CN 201690000700U CN 207638003 U CN207638003 U CN 207638003U
- Authority
- CN
- China
- Prior art keywords
- coil
- power supply
- aerial coil
- aerial
- conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Abstract
A kind of antenna assembly of the utility model offer and electronic equipment.Antenna assembly (101) has the aerial coil (20) being made of the coil-conductor (20C) along face and is configured in the power supply coil (30) for the position for carrying out magnetic coupling with aerial coil (20).Further more, antenna assembly (101) has planar conductor (10).Planar conductor (10) is configured at aerial coil (20) side relative to power supply coil (30), it is formed in the case of vertical view near the 1st (21) of aerial coil (20), the outside of aerial coil (20) is extended to from the 1st (21) of aerial coil (20), and with the not region Chong Die with coil aperture (20A) of aerial coil (20).The 2nd (22) of power supply coil (30) configuration other than the 1st (21) at least with aerial coil (20) carry out the position of magnetic coupling.
Description
Technical field
The utility model is related to antenna assemblies, more particularly to have the antenna assembly of aerial coil and power supply coil.Further more,
The utility model is related to have the electronic equipment of the antenna assembly.
Background technology
Have the aerial coil being made of the coil-conductor along face and is substantially carried out magnetic coupling relative to the aerial coil
The antenna assembly of power supply coil be shown in patent document 1.Figure 10 (A) is the front view of antenna assembly shown in patent document 1,
Figure 10 (B) is its vertical view.Power supply circuit is constituted in circuit board 50 and carries the power supply coil 30 that the power supply circuit connected.
Aerial coil 20 is close to power supply coil 30 is configured at, and thus power supply coil 30 is substantially carried out magnetic coupling with aerial coil 20.
In this way, by making power supply coil 30 and aerial coil 20 carry out magnetic coupling, from without the use of flexible cable or connecing
Touch pin, it will be able to which power supply circuit is connected to aerial coil.
Citation
Patent document
Patent document 1：International Publication No. 2012/173080
Utility model content
Utility model technical problem-to be solved
In the composition for the antenna assembly that Figure 10 is exemplified, power supply coil 30 and aerial coil 20 are via by power supply coil 30
Coil aperture and the perforative magnetic flux φ n of the coil aperture of aerial coil 20 and carry out magnetic coupling.But pass through power supply coil 30
Coil aperture magnetic flux in, will produce the coupling not contributed to as represented by magnetic flux φ a with aerial coil 20 sometimes
The magnetic flux of conjunction.If in this way, generating the magnetic flux for not contributing to coupling, power supply coil 30 and aerial coil 20 cannot be fully improved
The coefficient of coup.
The purpose of the utility model is to provide it is a kind of have the aerial coil that is made of coil-conductor and power supply coil and
It improves the antenna assembly of the coefficient of coup of power supply coil and aerial coil and has its electronic equipment.
Means-for solving technical problem
(1) antenna assembly of the utility model is characterized in that having：
The aerial coil being made of the coil-conductor along face；With being configured in magnetic coupling is carried out with the aerial coil
The power supply coil of position,
The antenna assembly has planar conductor, which is configured in the day relative to the power supply coil
Line coil sides are formed in the case of vertical view near the 1st of the aerial coil, from the 1st of the aerial coil
The outside of the aerial coil is extended to, and there is the not region Chong Die with the coil aperture of the aerial coil,
The power supply coil is configured at least carries out magnetic coupling with the 2nd other than the 1st of the aerial coil
Position.
According to the above configuration, by the coil aperture of power supply coil and without the magnetic flux quilt of the coil aperture of aerial coil
Planar conductor blocks.The perforative magnetic flux of the coil aperture of the coil aperture of power supply coil and aerial coil is relatively increased as a result,
Add, obtains the high antenna assembly of the coefficient of coup of power supply coil and aerial coil.
(2) in above-mentioned (1), the 1st at least part of the preferably described aerial coil clips the line of the aerial coil
Enclose axis and it is opposed with the power supply coil.The actual effect of the coil aperture for the aerial coil observed as a result, from power supply coil
Area increases, it is thus possible to further increase the coefficient of coup of power supply coil and aerial coil.
(3) in above-mentioned (1) or (2), the preferably described planar conductor has the 1st side, and the 1st of the aerial coil along institute
The 1st side for stating planar conductor extends, and the coil axis direction of the power supply coil is the side vertical with the 1st side of planar conductor
To.Thereby, it is possible to more efficiently prevent from based on planar conductor and do not contribute to the generation of the magnetic flux coupled, thus, it is possible to effectively
Improve the coefficient of coup of power supply coil and aerial coil in ground.
(4) in any one of above-mentioned (1)~(3), preferably when the coil axis direction of the aerial coil is overlooked, institute
It states in power supply coil and the coil aperture of the aerial coil or the 2nd of the aerial coil Chong Die.Accordingly, because supply lines
The coil aperture of a side and the coil aperture of aerial coil are close among 2 coil apertures of circle, so by the line of power supply coil
The perforative magnetic flux of coil aperture of circle opening and aerial coil relative increases, and obtains the coupled systemes of power supply coil and aerial coil
The high antenna assembly of number.
(5) in any one of above-mentioned (1)~(4), the preferably described coil-conductor is formed in the conductive pattern of circuit board.
The big aerial coil of coil aperture can be easily configured as a result, and can easily be approached power supply coil relative to aerial coil
Configuration.For this purpose, obtaining efficient antenna performance.
(6) in any one of above-mentioned (1)~(5), the preferably described planar conductor is formed in the earth conductor of circuit board.
Thus, it is not necessary to which planar conductor is particularly arranged, miniaturization can be realized.
(7) electronic equipment of the utility model is characterized in that having antenna assembly and shell,
The antenna assembly has：
The aerial coil being made of the coil-conductor along face；With
It is configured in the power supply coil for the position that magnetic coupling is carried out with the aerial coil,
The antenna assembly has planar conductor, which is configured in the day relative to the power supply coil
Line coil sides are formed in the case of vertical view near the 1st of the aerial coil, from the 1st of the aerial coil
The outside of the aerial coil is extended to, and there is the not region Chong Die with the coil aperture of the aerial coil,
The power supply coil is configured at least carries out magnetic coupling with the 2nd other than the 1st of the aerial coil
Position.
According to the above configuration, the high antenna assembly of the coefficient of coup of power supply coil and aerial coil can be constituted, is had
The electronic equipment of efficient antenna assembly.
(8) in above-mentioned (7), there is the preferably described shell conductor portion, the aerial coil to be connected to the conductor of the shell
Portion.Thereby, it is possible to which the conductor portion of shell to be also used as to a part for aerial coil, it is readily configured the big antenna line of coil aperture
Circle.Further more, since aerial coil and communication counterpart side antenna are closer, therefore increased with the coefficient of coup of communication counterpart side antenna.
(9) in above-mentioned (7), the preferably described planar conductor is the conductor portion of the shell.Thereby, it is possible to by the conductor of shell
Portion is also used as the conductive pattern other than planar conductor, such as planar conductor and is increased to the configuration freedom of circuit board.
Utility model effect-
According to the utility model, obtains the high antenna assembly of the coefficient of coup of power supply coil and aerial coil and have it
Electronic equipment.
Description of the drawings
Fig. 1 is the vertical view for the composition for indicating antenna assembly 101 of the first embodiment.
Fig. 2 (A) is the sectional view at the parts A-A of antenna assembly 101, and Fig. 2 (B) is the antenna assembly as comparative example
The sectional view of 101P.
Fig. 3 (A)~(C) is the sectional view of antenna assembly 102A~102C of the second embodiment.
Fig. 4 is the vertical view for the composition for indicating antenna assembly 103 of the third embodiment.
Fig. 5 is the sectional view at the parts A-A of antenna assembly 103.
Fig. 6 is the vertical view for the composition for indicating antenna assembly 104 of the fourth embodiment.
Fig. 7 is the electronic equipment 205 for indicating antenna assembly 105 of the fifth embodiment and having the antenna assembly 105
Composition vertical view.
Fig. 8 is the 1st conductor portion 1 of the shell for indicating electronic equipment 205, the composition of the 2nd conductor portion 2 and circuit board 100
Stereogram.
Fig. 9 (A) is the equivalent circuit diagram for the effect for indicating the antenna assembly 105 in the 2nd frequency band.Fig. 9 (B) is to indicate the 1st
The equivalent circuit diagram of the effect of antenna assembly 105 in frequency band.
Figure 10 (A) is the front view of antenna assembly shown in patent document 1, and Figure 10 (B) is its vertical view.
Specific implementation mode
After, with reference to attached drawing and several specific examples are enumerated, to indicate multiple modes for implementing the utility model.Respectively
In figure same symbol is assigned to same position.In view of the explanation of main points or the easiness of understanding, it is divided into reality for convenience
The mode of applying is indicated, but can carry out the part displacement constituted shown in different embodiments or combination.Implement the 2nd
Mode is hereinafter, omission only illustrates difference for the description of the item shared with the 1st embodiment.Particularly, for
Identical function and effect based on identical composition, do not refer to one by one in each embodiment.
Later in represented each embodiment, " standing wave type antenna " refers to that current or voltage is generated on radiating element
The antenna of the standing wave of (current potential).That is, resonance is carried out, so that the intensity of current or voltage (current potential) is generated on radiating element
Section, abdomen.For example, due to the boundary condition of the current or voltage (current potential) on radiating element, become in the end electric current of radiating element
It is 0, be connected in the case of being grounded becomes 0 in the interconnecting piece voltage with ground connection.It is dipole antenna as typical standing-wave antenna
Line, unipole antenna, inverted-L antenna, inverted F shaped antenna (IFA), 1 wave loops antenna, dipole antenna of turning back, unipole antenna of turning back,
Spin-off (the radiation element of microstrip antenna, paster antenna, plate inverted F shaped antenna (PIFA), slot antenna, trap antenna, each antenna
Part is connected to multiple parallel connections, and stub has multiple or radiating element shape to change because of place).
Standing wave type antenna carries out in far field the communication based on electromagnetic wave (electric wave) and is used.Such as it is used in
Call or data communication, the communication of Wireless LAN in mobile telephone terminal, the reception etc. of the satellite-signal in GPS.
Further more, later in represented each embodiment, " field type antenna " refers to one kind of small loop antenna, is spoke
Penetrate the antenna of magnetic flux.
Field type antenna carries out being used based on the communication of magnetic coupling near field.Such as it is used in NFC
The communication of (Near field communication, near-field communication) etc..
Further more, afterwards in represented each embodiment, the antenna assembly as " field type antenna " is for example used
In HF frequency bands, especially it is used under the frequency near 13.56MHz or 13.56MHz.The size of antenna assembly with used
Frequency in wavelength X compared to very small, the radiation characteristic of electromagnetic wave is poor in service band.Aftermentioned antenna assembly is had
The length of the coil-conductor of standby aerial coil is λ/10 or less.In addition, wavelength referred to herein refers to considering based on shape
Shorten the effective wavelength of effect at the dielectricity of the base material of antenna or the wavelength of magnetic permeability.Coil possessed by aerial coil
Conductor is electrically connected to the power supply circuit operated in service band (near HF frequency bands, especially 13.56MHz).
" electronic equipment " in the utility model is the device for having above-mentioned standing wave type antenna and field type antenna.E.g.
Mobile telephone terminal, so-called smart phone, tablet terminal, notebook type PC, wearable terminal (so-called smartwatch or intelligence
Energy glasses etc.).
《1st embodiment》
Fig. 1 is the vertical view for the composition for indicating antenna assembly 101 of the first embodiment.Fig. 2 (A) is antenna assembly
Sectional view at 101 parts A-A, Fig. 2 (B) is the sectional view of the antenna assembly 101P as comparative example.
Antenna assembly 101 has aerial coil 20 and power supply coil 30.Aerial coil 20 is formed in the interior of circuit board 100
It portion's (internal layer) and is made of the multiturn coil conductor 20C along the face of circuit board 100.
Power supply coil 30 is spiral of the composition based on conductive pattern on the laminated body obtained by the stacking based on magnetic layer
The coil of shape.When being overlooked on the directions coil axis 20AX of aerial coil 20, power supply coil 30 is configured at aerial coil 20
Near.That is, the above-mentioned spiral helicine coil of power supply coil 30 is installed in the close of aerial coil 20 in circuit board 100
Side, so that being substantially carried out magnetic coupling with aerial coil 20.In particular, by the way that power supply coil 30 is configured at and aerial coil 20
Coil aperture 20A in or the 2nd 22 of aerial coil 20 overlapping position, to the above-mentioned spiral helicine line of power supply coil 30
Circle can be with the magnetic coupling strongly of aerial coil 20.
In addition, 20 preferred disposition of aerial coil is in the position for being positioned as close to end of circuit board 100.Thus, by
It is closer in communication counterpart in aerial coil 20, therefore communication characteristic (coupling) optimizes.This represented other embodiment party afterwards
It is also same in formula.
Resonance electricity container 8 is installed in circuit board 100, which is connected to coil-conductor 20C's
Both ends.Therefore, LC series resonant circuits are constituted by aerial coil 20 and resonance electricity container 8.
Circuit board 100 is provided with the power supply circuit 9 based on RFIC etc., which is connected to power supply coil 30.
It is formed with the planar conductor 10 for example as earth conductor at the back side of circuit board 100.It is formed with planar conductor
It is ungrounded region NGA that 10 region, which is ground area GA, does not form the region of planar conductor 10.
Planar conductor 10 is configured near the 1st 21 of aerial coil 20.In particular, in present embodiment, aerial coil
The 1st of 20 is 21 Chong Die with planar conductor 10 in the case of vertical view.Power supply coil 30 be configured at least with aerial coil 20
The 1st 21 other than i.e. the 2nd 22 progress magnetic coupling position.As shown in Fig. 2 (A), via by the coil of power supply coil 30
The perforative magnetic flux φ n of coil aperture of opening and aerial coil 20, power supply coil 30 carry out magnetic coupling with aerial coil 20.
In addition, in the utility model, the 1st 21 " nearby " of aerial coil 20 refers to antenna in the case of vertical view
The size distance range below of coil 20.
As shown in Figure 1, if 10 pairs of planar conductor is with the size L11 of the 1st 21 Chong Die parts of aerial coil 20 and not
If being compared with the size L12 of the 1st 21 Chong Die parts of aerial coil 20, it is in the relationship of L12 ＞ L11.That is, face
Shape conductor 10 is from the 1st 21 of aerial coil 20 to the outer expandable of aerial coil 20.It can prevent from being based on planar conductor as a result,
, do not contribute to coupling magnetic flux generation, it is thus possible to effectively improve the coupled systemes of power supply coil 30 and aerial coil 20
Number.
If the magnetic flux that intersects with planar conductor 10 among the magnetic flux for passing through the coil aperture of power supply coil 30 is based on antenna
1st 21 magnetic flux of coil 20 intersects with planar conductor 10, then will produce vortex in planar conductor 10.For this purpose, magnetic flux is difficult to
Expand to planar conductor 10, it is difficult to generate in Fig. 2 (A) with it is represented by magnetic flux φ a, do not contribute to couple with aerial coil 20
Magnetic flux, magnetic flux efficiently run through the 2nd 22 (coil aperture 20A) of aerial coil 20.As a result, with the feelings of no planar conductor 10
It is compared under condition, power supply coil 30 and the coefficient of coup of aerial coil 20 increase.
In present embodiment, as shown in Figure 1, the 1st 21 at least part of aerial coil 20 clips aerial coil 20
Coil axis 20AX and it is opposed with power supply coil 30.The coil aperture for the aerial coil 20 observed as a result, from power supply coil 30
The effective area of 20A increases, it is thus possible to further increase the coefficient of coup of power supply coil 30 and aerial coil 20.
Further more, in present embodiment, planar conductor 10 has a 1st side 10S, and the 1st 21 of aerial coil 20 along planar
1st side 10S of conductor 10 extends.The coil directions axis 30AX of power supply coil 30 relative to planar conductor 10 the 1st side 10S and reality
It is vertical direction in matter.Thereby, it is possible to be effectively prevented the production of magnetic flux φ a based on planar conductor 10, not contributing to coupling
It is raw, it is thus possible to effectively improve the coefficient of coup of power supply coil 30 and aerial coil 20.
In addition, the plane (the plane 30S in Fig. 2 (A)) relative to the center including at least power supply coil 30, with the plane
30S is that boundary is configured with aerial coil 20 and 10 both sides of planar conductor side (being downside in example shown in Fig. 2 (A)), thus
The coefficient of coup of power supply coil 30 and aerial coil 20 can be effectively improved.Shown in the Fig. 2 (B) enumerated as comparative example
Antenna assembly 101P in, be boundary in side (figure using plane 30S relative to the plane 30S at the center comprising power supply coil 30
It is downside in example shown in 2 (B)) it is configured with planar conductor 10 configured with aerial coil 20, in upside.The antenna of the comparative example
In device 101P, the generation of the magnetic flux φ a of coupling is not contributed to prevent effect almost without power supply coil 30 and aerial coil 20
The coefficient of coup improvement effect almost without.
It, can also shape although aerial coil 20 is formed on the inside (internal layer) of circuit board 100 in present embodiment
At in the surface or the back side of circuit board 100.Further more, aerial coil 20 can not also be simply formed in circuit board 100, soft
Property base material formed and coil pattern or be made of lead of electric conductivity etc..
In present embodiment, although planar conductor 10 is formed in the inside (internal layer) of circuit board 100, it can also be formed
In the surface or the back side of circuit board 100.Further more, planar conductor 10 can not also be simply formed in circuit board 100, such as
By shell in the case that the battery pack or shield, shell that are configured in the shell comprising antenna assembly 101 are conductive
Deng substituting as planar conductor 10.
In present embodiment, although planar conductor 10 becomes earth conductor, but it is not necessary to must be earth conductor.Again
Have, it is not necessary that be connected to ground connection.Present embodiment, do not contribute to coupling magnetic flux generation for preventing for effect,
The current potential of planar conductor 10 is almost unrelated.But if planar conductor 10 is earthing potential, but it can inhibit to come from planar
The generation of the unwanted electromagnetic noise of conductor 10.
In addition, preferably planar conductor 10 is not Chong Die with the coil aperture of aerial coil 20 in the case of overlooking.If planar is led
Body 10 is Chong Die with the coil aperture of aerial coil 20, then can hinder the magnetic coupling of power supply coil 30 and aerial coil 20.At least
In the case of vertical view in the coil aperture of aerial coil 20, if the coil aperture of planar conductor 10 and aerial coil 20 is not
The region of overlapping is 1/3 or more of coil aperture, and power supply coil 30 is sufficiently carried out magnetic coupling with aerial coil 20.
In addition, (also including the feelings of multilayer by the way that aerial coil 20 and planar conductor 10 are formed in same circuit board 100
Condition), so as to keep aerial coil 20 and planar conductor 10 closer, therefore can prevent aerial coil 20 and planar conductor
Between 10 break-through and do not contribute to power supply coil 30 and aerial coil 20 coupling magnetic flux generation.
《2nd embodiment》
In 2nd embodiment, add for the different several antenna assemblies of the construction of aerial coil compared with the 1st embodiment
To indicate.
Fig. 3 (A)~(C) is the sectional view of antenna assembly 102A~102C.Be in the 1st embodiment Fig. 2 shows
Sectional view is to the sectional view at the position of ying.
In the antenna assembly 102A of Fig. 3 (A), aerial coil 20 is in the inside of circuit board 100 throughout multiple layers and by edge
The multiturn coil conductor 20C in the face of circuit board 100 is constituted.Composition other than coil-conductor 20C and Fig. 2 shows antenna assembly
101 is identical.In this way, aerial coil can also be made of the coil-conductor 20C throughout multiple layers.It as a result, can be with confined face
Product constitutes the aerial coil for giving inductance.
In the antenna assembly 102B of Fig. 3 (B), planar conductor 10A, 10B are formed in the two-sided of substrate 100.Planar conductor
Composition other than 10A, 10B and Fig. 2 shows antenna assembly 101 it is identical.In this way, planar conductor can also be formed in multiple layers.
Further more, the 1st 21 of aerial coil 20 can also be configured between multiple planar conductor 10A, 10B.Planar can be utilized as a result,
Conductor more reliably blocks the magnetic flux for not contributing to coupling.
In the antenna assembly 102C of Fig. 3 (C), planar conductor 10 is formed in the mounting surface of power supply coil 30.Planar conductor 10
Composition in addition and Fig. 2 shows antenna assembly 101 it is identical.In this way, planar conductor 10 can also be configured at than aerial coil 20
The 1st 21 position close to the side of power supply coil 30.Thereby, it is possible to prevent will be between aerial coil 20 and planar conductor 10
Break-through and the generation for not contributing to power supply coil 30 and the magnetic flux of the coupling of aerial coil 20.
《3rd embodiment》
In 3rd embodiment, for the composition of the position of the aerial coil and planar conductor difference compared with the 1st embodiment
Antenna assembly indicated.
Fig. 4 is the vertical view for the composition for indicating antenna assembly 103 of the third embodiment.Fig. 5 is antenna assembly 103
A-A part at sectional view.
The aerial coil 20 of antenna assembly 103 is formed in the 2nd face S2 of circuit board 100, and by along circuit board 100
The multiturn coil conductor 20C in the 2nd face is constituted.Further more, planar conductor 10M, 10N as earth conductor are also formed in circuit board
100 the 2nd face S2.
In the ground area GA for being formed with planar conductor 10M, 10N, it is formed with for keeping planar conductor 10M, 10N and day
The discontinuous portion DS of 1st 21 state of insulation of line coil 20 is formed with the 1st of aerial coil 20 in discontinuous portion DS
Portion 21.
As shown in figure 4, resonance electricity container 8 is installed in the ungrounded region NGA of circuit board 100.Other constitute and
Antenna assembly 101 shown in Fig. 1 is identical.
Aerial coil 20 is configured to underlapped in the case of vertical view with planar conductor 10M, 10N, and thus, it is possible to inhibit to match
The variation of the inductance of aerial coil 20 caused by planar conductor 10M, 10N is set.Further more, by by aerial coil 20 and planar
Conductor 10M, 10N are formed as same plane shape, and antenna assembly 103 is constituted so as to more unfertile land.
Also it is possible to make the 1st planar conductor 10M and the using the wiring of (internal layer) etc. inside circuit board is formed in
2 planar conductor 10N conductings.Thus the 1st planar conductor 10M and the 2nd planar conductor 10N become same current potential, can inhibit to come from the 1st
The generation of the unwanted electromagnetic noise of planar conductor 10M or the 2nd planar conductor 10N.Further more, being led even for the 2nd planar
For body 10N, it can also act as the ground connection of installing component in circuit board etc..
In addition, in order not to which the magnetic coupling of power supply coil 30 and aerial coil 20 can be hindered, can also take the 2nd planar
The composition of conductor 10N removals.In this case, being configured in the pass near the 1st 21 of aerial coil 20 as planar conductor 10M
System.
《4th embodiment》
In 4th embodiment, for power supply coil 30 relative to the position relationship of aerial coil 20 and the 1st embodiment not
Same antenna assembly is indicated.
Fig. 6 is the vertical view for the composition for indicating antenna assembly 104 of the fourth embodiment.The 1st of aerial coil 20
21 is Chong Die with planar conductor 10 in the case of vertical view.Power supply coil 30 is configured in the 2nd 22 at least with aerial coil 20
Carry out the position of magnetic coupling.As shown in fig. 6, via by the coil aperture of the coil aperture of power supply coil 30 and aerial coil 20
Perforative magnetic flux φ n, power supply coil 30 carry out magnetic coupling with aerial coil 20.
As in the present embodiment, even if aerial coil 20 the 1st 21 coil axis 20AX for clipping aerial coil 20
And the not position opposed with power supply coil 30, also 1st side of the coil axis direction of power supply coil 30 relative to planar conductor 10
In the case that 10S is not vertically oriented, planar conductor 10 can also prevent from not contributing to the generation of the magnetic flux of coupling.According to supply lines
The position relationship of circle 30 and aerial coil 20, communication counterpart side antenna carry out magnetic coupling with power supply coil 30, so that offsetting
The magnetic coupling of communication counterpart side antenna and aerial coil 20, sometimes coupled systemes of communication counterpart side antenna and antenna assembly 104
Number reduces.As a result, by selecting the position relationship of power supply coil 30 and aerial coil 20, so as to be formed in specific position
Locate the excellent antenna assembly 104 of communication characteristic.
In addition, in each embodiment illustrated above, though it is shown that the direction of the coil axis 30AX of power supply coil 30
The example parallel with the coil aperture of aerial coil 20, but the utility model is not restricted thereto.For example, the coil axis of power supply coil 30
The direction of 30AX and the direction of the coil axis 20AX of aerial coil 20 can also be substantial parallel.
《5th embodiment》
In 5th embodiment, antenna assembly to the utility model and the configuration example for having its electronic equipment are subject to table
Show.Further more, in the present embodiment, indicating the configuration example for having field type antenna and the electronic equipment of standing wave type antenna.
Fig. 7 is the electronic equipment 205 for indicating antenna assembly 105 of the fifth embodiment and having the antenna assembly 105
Composition vertical view.Fig. 8 is the 1st conductor portion 1, the 2nd conductor portion 2 and the circuit board 100 for the shell for indicating electronic equipment 205
Composition stereogram.
Electronic equipment 205 is, for example, so-called smart phone or tablet terminal etc., and there is the portable electronic of communication function to set
It is standby.
The shell of electronic equipment 205 has the 1st conductor portion 1 and the 2nd conductor portion 2.In Fig. 7, the 1st conductor portion about shell
Part (such as resin portion) other than 1 and the 2nd conductor portion 2, illustration omitted.1st conductor portion 1 and the 2nd conductor portion 2 are, for example, quilt
The formed body of the metallic plates such as the aluminium sheet that anodized is crossed.1st conductor portion 1 has three faces parallel with Z-direction, the 2nd conductor
Portion 2 has three faces parallel with Y-direction.It is internally provided with circuit board 100 in shell.In example shown in Fig. 7, pass through shape
Antenna assembly 105 is constituted in the circuit of circuit board 100 and the 1st conductor portion 1 of shell.In present embodiment, shell
2nd conductor portion 2 is an example of planar conductor.Further more, the 1st conductor portion 1 of shell is a part for aerial coil.
Circuit board 100 is provided with power supply circuit 9, power supply coil 30, coil-conductor 20C, the 1st frequency band shielding element
7A, 7B, resonance electricity container 8 etc..The 1st 21 of aerial coil 20 in the case of vertical view with 2 weight of the 2nd conductor portion of shell
It is folded.The 1st end of coil-conductor 20C via the 1st frequency band shielding element 7A and connection conductor 41 and with the interconnecting piece of the 1st conductor portion 1
Position P1 connections.Further more, the 2nd end of coil-conductor 20C is grounded.1st frequency band shielding element 7B connects with resonance electricity container 8
One end of circuit is connect via connection conductor 42 with the connecting portion P2 of the 1st conductor portion 1.The other end is grounded.Above-mentioned connection
Conductor 41,42 is, for example, movable type probe pin, electric conductivity screw etc..
By constituting the day for being used as field type antenna with coil-conductor 20C between the connecting portion P1-P2 of the 1st conductor portion 1
Line coil.Power supply coil 30 is configured between the connecting portion P1-P2 for the 1st conductor portion 1 and carries out magnetic field with coil-conductor 20C
The position of coupling.Power supply coil 30 connects the power supply circuit 9 based on RFIC etc..
It is additionally provided with the power supply circuit 5 of power supply circuit 6, the 1st frequency band in circuit board 100.In the 1st conductor portion 1
Connecting portion P1 is connected with power supply circuit 5 via power supply circuit 6.
Fig. 9 (A) is the equivalent circuit diagram for the effect for indicating the antenna assembly 105 in the 2nd frequency band.In the example, in the 2nd frequency band
Power supply circuit 6 becomes high impedance in (HF frequency bands), therefore does not indicate power supply circuit 6 and power supply circuit 5 in Fig. 9 (A).
Between connecting portion P1, P2 by the 1st conductor portion 1, connection the 41,42, the 1st frequency band shielding element 7A, 7B of conductor and
Coil-conductor 20C constitutes aerial coil (the loop portion of the field type antenna of the 2nd frequency band).By the inductance in the loop portion and
Resonance electricity container 8 constitutes LC series resonant circuits.
In Fig. 9 (A), the aerial coil 20 coupled with power supply coil 30 is characterized with 1 coil.Pass through the aerial coil 20
With the coupling of power supply coil 30, the signal for the 2nd frequency band of powering to above-mentioned aerial coil.
According to the present embodiment, it is a part for aerial coil by dual-purpose due to the conductor portion of shell, therefore is readily configured line
Circle is open big aerial coil, due also to aerial coil is closer to communication counterpart side antenna, therefore with the coupling of communication counterpart side antenna
Collaboration is several litres high.
Fig. 9 (B) is the equivalent circuit diagram for the effect for indicating the antenna assembly 105 in the 1st frequency band.In the example, shown in Fig. 7
Power supply circuit 6 is the capacitor of the 2nd frequency band shielding.1st frequency band is, for example, UHF band or SHF frequency bands.In 1st frequency band, supply
Electric portion's circuit 6 becomes Low ESR, therefore is characterized as the circuit being connected directly in Fig. 9 (B).Further more, in the example, the 1st frequency
Band shielding element 7A, 7B are inductors, become high impedance in the 1st frequency band, therefore be not expressed as circuit in Fig. 9 (B).In addition,
1st parts frequency band shielding element 7A, 7B can also be the LC antiresonant circuits that resonance is carried out in the 1st frequency band.
Power supply circuit 5 is, for example, the RFIC of UHF band or SHF frequency bands.Interconnecting piece of the power supply circuit 5 to the 1st conductor portion 1
The signal of position P1 the 1st frequency bands of power supply.1st conductor portion 1 works as standing wave types antennas such as inverted-L antennas.
In addition, in several embodiments illustrated above, though it is shown that by be formed in circuit board earth conductor,
The conductor portion of shell come constitute the utility model is related to planar conductor example, but in addition to this can also be by display pannel
Shield plate or battery pack etc. be also used as planar conductor.
Further more, in each embodiment illustrated above, though it is shown that the planar shaped of circuit board 100, planar conductor 10
The shape of shape or aerial coil 20 is respectively the example of rectangle, but is not defined as the shape.These can also a part or
All curve-likes.
In addition, in each embodiment illustrated above, although if power supply coil 30 and aerial coil 20 are mainly via magnetic field
Be illustrated like that couple, but can also by the close of the conductive pattern of the two, also generate the coupling via electric field,
Utilize the field coupling.
In addition, in the above embodiment, although showing loop portion in HF frequency bands (the 2nd frequency band) as contributing near field
The example that the magnetic field radiation type antenna of the magnetic field radiation of communication works, but it is not defined as this composition.Also may be used in loop portion
As in the non-contact power transmission system at least with magnetic coupling of electromagnetic induction or magnetic resonance method etc.
Power receiving antenna or power transmission antenna use.In the case where the antenna assembly of the above embodiment is used in power transmission device, ring
Road portion becomes power transmission antenna, the 2nd power supply circuit becomes the power transmission circuit supplied electric power to power transmission antenna.By said antenna device
In the case of being used in power receiving device, loop portion become power receiving antenna, the 2nd power supply circuit become will be from the electric power of power receiving antenna
The power receiving circuit of load supply into power receiving device.
Finally, the explanation of above-mentioned embodiment is example in terms of whole, is not restrictive.As this field
Technical staff can be suitably deformed and change.For example, the office constituted shown in different embodiments can be carried out
Portion replaces or combination.The scope of the utility model is not indicated by above-mentioned embodiment, and is indicated by claims.
Further, it is intended that include whole changes in the meaning and range being equal with claims in the scope of the utility model
More.
Symbol description-
DS ... discontinuous portions
The ground areas GA ...
The ungrounded regions NGA ...
P1, P2 ... connecting portion
1 ... the 1st conductor portion
2 ... the 2nd conductor portions
5 ... power supply circuits
6 ... power supply circuits
The 1st frequency band shielding element of 7A, 7B ...
8 ... resonance electricity container
9 ... power supply circuits
10,10A, 10B, 10M, 10N ... planar conductor
The 1st sides 10S ...
20 ... aerial coils
20A ... coil apertures
The coil axis of 20AX ... aerial coils
20C ... coil-conductors
The 1st of 21 ... aerial coils
The 2nd of 22 ... aerial coils
30 ... power supply coils
The coil axis of 30AX ... power supply coils
41,42 ... connection conductors
50 ... circuit boards
100 ... circuit boards
101 ... antenna assemblies
The antenna assembly of 101P ... comparative examples
102A, 102B, 102C ... antenna assembly
103~105 ... antenna assemblies
205 ... electronic equipments.
Claims (8)
1. a kind of antenna assembly, has：
Circuit board；
The aerial coil that the coil-conductor of interarea by being configured at the circuit board and along the circuit board is constituted；With
It is configured at the circuit board and is configured in the power supply coil for the position for carrying out magnetic coupling with the aerial coil,
In,
The antenna assembly has planar conductor, which is configured in the antenna line relative to the power supply coil
Side is enclosed, is formed in the case of the vertical view of the circuit board near the 1st of the aerial coil, from the antenna line
1st outside for extending to the aerial coil of circle, and there is the not region Chong Die with the coil aperture of the aerial coil,
The power supply coil be configured at least with the 1st of the aerial coil other than the 2nd progress magnetic coupling position
It sets.
2. antenna assembly according to claim 1, wherein
The 1st at least part of the aerial coil clip the coil axis of the aerial coil and with the power supply coil pair
It sets.
3. antenna assembly according to claim 1 or 2, wherein
The planar conductor has the 1st side,
The 1st of the aerial coil extends along the 1st side of the planar conductor,
The coil axis direction of the power supply coil is the direction vertical with the 1st side of planar conductor.
4. antenna assembly according to claim 1 or 2, wherein
When the coil axis direction of the aerial coil is overlooked, the coil aperture of the power supply coil and the aerial coil
2nd overlapping of the interior or described aerial coil.
5. antenna assembly according to claim 1 or 2, wherein
The planar conductor is formed in the earth conductor of circuit board.
6. a kind of electronic equipment has antenna assembly and shell, wherein
The antenna assembly has：
The aerial coil being made of the coil-conductor along face；With
It is configured in the power supply coil for the position that magnetic coupling is carried out with the aerial coil,
The antenna assembly has planar conductor, which is configured in the antenna line relative to the power supply coil
Side is enclosed, is formed in the case of vertical view near the 1st of the aerial coil, from the 1st extension of the aerial coil
To the outside of the aerial coil, and there is the not region Chong Die with the coil aperture of the aerial coil,
The power supply coil be configured at least with the 1st of the aerial coil other than the 2nd progress magnetic coupling position
It sets.
7. electronic equipment according to claim 6, wherein
The shell has conductor portion,
The aerial coil is connected to the conductor portion of the shell.
8. electronic equipment according to claim 6, wherein
The shell has conductor portion,
The planar conductor is the conductor portion of the shell.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015104049 | 2015-05-21 | ||
| JP2015-104049 | 2015-05-21 | ||
| PCT/JP2016/064545 WO2016186092A1 (en) | 2015-05-21 | 2016-05-17 | Antenna device and electronic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207638003U true CN207638003U (en) | 2018-07-20 |
Family
ID=57320047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201690000700.3U Active CN207638003U (en) | 2015-05-21 | 2016-05-17 | Antenna assembly and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207638003U (en) |
| WO (1) | WO2016186092A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SK500372018A3 (en) * | 2018-08-02 | 2020-02-04 | Logomotion Sro | Anténová sústava aspoň s dvoma anténami, najmä na NFC prenos |
| CN218182471U (en) * | 2019-12-11 | 2022-12-30 | 株式会社村田制作所 | Electronic device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014027389A (en) * | 2012-07-25 | 2014-02-06 | Nec Tokin Corp | Antenna device |
| CN204991963U (en) * | 2013-11-08 | 2016-01-20 | 株式会社村田制作所 | Communication terminal device |
-
2016
- 2016-05-17 WO PCT/JP2016/064545 patent/WO2016186092A1/en active Application Filing
- 2016-05-17 CN CN201690000700.3U patent/CN207638003U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016186092A1 (en) | 2016-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113287230B (en) | Antenna device and terminal | |
| JP5162012B1 (en) | ANTENNA DEVICE AND ELECTRONIC DEVICE HAVING THE ANTENNA DEVICE | |
| US9059520B2 (en) | Wireless communication device and communication terminal apparatus | |
| US10664738B2 (en) | Feeder coil, antenna device, and electronic appliance | |
| JP5284491B2 (en) | Half-loop chip antenna and related methods | |
| JP6504207B2 (en) | Antenna device and electronic device | |
| CN103650241A (en) | Antenna device and communication terminal device | |
| JP2010200309A (en) | Proximity antenna and wireless communication device | |
| CN203674401U (en) | Antenna device and communication terminal device | |
| EP2741366A1 (en) | Antenna device, and communication terminal device | |
| CN105556745A (en) | Techniques of tuning an antenna by weak coupling of a variable impedance component | |
| US10333198B2 (en) | Antenna apparatus and communication terminal apparatus | |
| CN207250726U (en) | Antenna assembly and electronic equipment | |
| CN207638003U (en) | Antenna assembly and electronic equipment | |
| CN207910065U (en) | Antenna assembly and electronic equipment | |
| US8843185B2 (en) | Slide-type wireless terminal apparatus | |
| CN102157794B (en) | Three-frequency band antenna produced by resonating | |
| JP2013172281A (en) | Antenna device and radio communication device | |
| CN207910064U (en) | Antenna assembly and electronic equipment | |
| CN101202377B (en) | Double frequency antenna | |
| WO2016152662A1 (en) | Antenna apparatus and electronic device | |
| CN208674354U (en) | Antenna assembly and electronic equipment | |
| CN207834575U (en) | Antenna assembly and electronic equipment | |
| CN107871931A (en) | Antenna structure and the radio communication device with the antenna structure | |
| JP2015207932A (en) | Antenna and electronic apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |