CN207910065U - Antenna assembly and electronic equipment - Google Patents
Antenna assembly and electronic equipment Download PDFInfo
- Publication number
- CN207910065U CN207910065U CN201690000723.4U CN201690000723U CN207910065U CN 207910065 U CN207910065 U CN 207910065U CN 201690000723 U CN201690000723 U CN 201690000723U CN 207910065 U CN207910065 U CN 207910065U
- Authority
- CN
- China
- Prior art keywords
- frequency band
- conductor
- power supply
- antenna
- radiating element
- 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
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/35—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using two or more simultaneously fed points
-
- 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
Landscapes
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model is related to antenna assemblies and the electronic equipment for having the antenna assembly.The antenna assembly has：Connect the 1st power supply circuit (91) that the 1st frequency band is used and the 1st conductor portion (1) as the radiating element of the standing wave type antenna of the 1st frequency band；It is formed in circuit board with part or all and is connected to the linear conductor (20) at least two position (P1, P2) of the 1st conductor portion (1).Further more, connecting the 2nd power supply circuit (92) of the 2nd frequency band and constituting the loop portion of the field type antenna of the 2nd frequency band by a part for the 1st conductor portion (1) and linear conductor (20).The opening width W2 in loop portion is also bigger than the length W1 on the radiating element (1) between the connecting portion of radiating element (P1, P2).
Description
Technical field
The utility model is related to antenna assemblies, more particularly to simultaneous using the communication system of the different signal of communication of frequency band
Antenna assembly.Further more, the utility model is related to have the electronic equipment of the antenna assembly.
Background technology
With the multifunction of communication equipment in recent years, such as mobile telephone terminal or so-called smart phone are not only
It is the antenna for having communication, is also equipped with for various communication (broadcast) systems such as GPS, Wireless LAN, DTB Digital Terrestrial Broadcasting
The antenna of system.
For example, patent document 1 disclose it is a kind of can in the different multiple systems of frequency band dual-purpose small-sized antenna assembly.
The antenna assembly has：The radiating element of electric field type antenna；The power supply circuit for the 1st frequency band being connect with radiating element；With radiation
Element earth conductor arranged opposite；Connect the inductor between radiating element and earth conductor；Power supply coil；And with power supply
The power supply circuit of 2nd frequency band of coil connection.
These radiating elements, inductor and earth conductor are connected in series and constitute loop, above-mentioned loop and supply lines
Circle is coupled.Further more, above-mentioned inductor is in the 1st frequency band internal impedance close to open-circuit condition, in the 2nd frequency band close to short
The element of line state.Thus, above-mentioned radiating element works as the electric field type antenna element of the 1st frequency band, above-mentioned loop is made
Antenna element for the 2nd frequency band works.
Citation
Patent document
Patent document 1：International Publication No. 2014/098024
Utility model content
Utility model technical problem-to be solved
In antenna assembly shown in patent document 1, the radiating element quilt of the electric field type antenna of the 1st frequency band (UHF band)
The one of the loop of field type antenna that dual-purpose is made of earth conductor pattern and reactance component, the 2nd frequency band (HF frequency bands)
Part, therefore the antenna of different frequency bands can be constituted in the space limited.
But only by the radiating element for the antenna being arranged for the 1st frequency band and earth conductor pattern, to determine to make
The radiation of the resonant frequency needed for antenna for the 2nd frequency band and the magnetic flux needed for acquisition is difficult sometimes.For example, due in order to
The current distribution on radiating element is formed, or in order to make power supply circuit be matched with radiating element, although can be for the 1st frequency band
Adjunct circuit is arranged in the radiating element of antenna, but thus the position of the circuits such as reactance component of the 2nd frequency-band antenna of setting is limited.
The purpose of the utility model is to provide a kind of radiating elements for the antenna that dual-purpose is set for the 1st frequency band
And the antenna assembly of the given antenna performance of the 2nd frequency band can be obtained and have its electronic equipment.
Means-for solving technical problem
(1) antenna assembly of the utility model, which is characterized in that have：
The radiating element of the standing wave type antenna of 1st frequency band connects the 1st power supply circuit of the 1st frequency band；With
Linear conductor is connected at least two position of the radiating element,
The 2nd power supply circuit of the 2nd frequency band is connected, and by a part for the radiating element and the linear conductor
The loop portion of the field type antenna of the 2nd frequency band is constituted,
The opening width in the loop portion is than the spoke between the connecting portion at 2 positions of the radiating element
The length penetrated on element is also big.
According to the above configuration, the resonant frequency needed for the antenna as the 2nd frequency band can be determined.Further more, can be easily
The current distribution being used to form on radiating element is set in the radiating element of the antenna for the 1st frequency band or for making power supply circuit
With the matched adjunct circuit of radiating element.
(2) in above-mentioned (1), the frequency of preferably described 1st frequency band is higher than the 2nd frequency band, in the radiating element and institute
It states between linear conductor and has the 1st frequency band blocking element, become higher in the 1st frequency band compared to the 2nd frequency band
Impedance.As a result, in the 1st frequency band, radiating element will not substantially be influenced by linear conductor, and radiating element is as the 1st frequency
The antenna of band works.
(3) in above-mentioned (1) or (2), be preferably provided with connect with the power supply circuit of the 2nd frequency band and with the loop portion
Carry out the power supply coil of magnetic coupling.As a result, using the inductance of power supply coil, the collection magnetic of magnetic flux or radiation effect.
(4) electronic equipment of the utility model, has antenna assembly and shell, which is characterized in that
The antenna assembly has：
The radiating element of the standing wave type antenna of 1st frequency band connects the 1st power supply circuit of the 1st frequency band；With
Linear conductor is connected at least two position of the radiating element,
The 2nd power supply circuit of the 2nd frequency band is connected, and by a part for the radiating element and the linear conductor
The loop portion of the field type antenna of the 2nd frequency band is constituted,
The opening width in the loop portion is than the spoke between the connecting portion at 2 positions of the radiating element
The length penetrated on element is also big.
According to the above configuration, it may make up electricity that have the antenna of the 1st frequency band and the 2nd frequency band in the space limited, small-sized
Sub- equipment.
(5) in above-mentioned (4), the circuit board can also have earth conductor, the linear conductor to be connected to described
Earth conductor.Thereby, it is possible to earth conductor is doubled as to the part in the loop portion of the field type antenna for the 2nd frequency band.
(6) in above-mentioned (4) or (5), have the shell with conductor portion and the storage circuit board, the linear conductor
A part can also be the conductor portion.Thereby, it is possible to the conductor portion of shell is doubled as to the field type antenna for the 2nd frequency band
Loop portion a part.
(7) in above-mentioned (6), the conductor portion can also include：1st conductor portion of the shell；With with being led with the 1st
The opposed side in body portion and the 2nd conductor portion be connected with the 1st conductor portion.Thereby, it is possible to by the road of the length of the conductor portion of shell
Diameter doubles as the part in the loop portion of the field type antenna for the 2nd frequency band.Further more, the connection of linear conductor and shell can be cut down
Position.
(8) in above-mentioned (4) or (5), have the shell with conductor portion and the storage circuit board, the radiating element
Part or all can also be the conductor portion.Thereby, it is possible to double as being one of radiating element by the conductor portion of shell
Divide or whole.
Utility model effect-
According to the utility model, the resonant frequency needed for the antenna as the 2nd frequency band can be determined.Further more, can with
It is easy to set up the current distribution being used to form on radiating element in the radiating element of the antenna of the 1st frequency band or for keeping power supply electric
Road and the matched adjunct circuit of radiating element.
Description of the drawings
Fig. 1 is the electronic equipment for indicating antenna assembly 101A of the first embodiment and having antenna assembly 101A
The vertical view of the composition of 201A.
Fig. 2 is the 1st conductor portion 1 of the shell for indicating electronic equipment 201A, the composition of the 2nd conductor portion 2 and circuit board 10
Stereogram.
Fig. 3 (A) is the equivalent circuit diagram for the effect for indicating the antenna assembly 101A in the 1st frequency band.Fig. 3 (B) is to indicate the 2nd
The equivalent circuit diagram of the effect of antenna assembly 101A in frequency band.
Fig. 4 is the composition of the antenna assembly 101B and electronic equipment 201B for the variation for being denoted as the 1st embodiment
Vertical view.
Fig. 5 indicates antenna assembly 102 of the second embodiment and has the electronic equipment 202 of the antenna assembly 102
The vertical view of composition.
Fig. 6 is the equivalent circuit diagram for the effect for indicating the antenna assembly 102 in the 2nd frequency band.
Fig. 7 is the electronic equipment 203 for indicating antenna assembly 103 of the third embodiment and having the antenna assembly 103
Composition vertical view.
Fig. 8 is the electronic equipment 204 for indicating antenna assembly 104 of the fourth embodiment and having the antenna assembly 104
Composition vertical view.
Fig. 9 is the electronic equipment 205 for indicating antenna assembly 105 of the fifth embodiment and having the antenna assembly 105
Composition vertical view.
Figure 10 is the equivalent circuit diagram for the effect for indicating the antenna assembly 105 in the 2nd frequency band.
Figure 11 is the electronic equipment for indicating antenna assembly 106 of the sixth embodiment and having the antenna assembly 106
The vertical view of 206 composition.
Figure 12 (A) is the equivalent circuit diagram for the effect for indicating the antenna assembly 106 in the 1st frequency band.Figure 12 (B) is to indicate
The equivalent circuit diagram of the effect of antenna assembly 106 in 2 frequency bands.
Figure 13 (A) (B) is the 1st conductor portion 1 and the 2nd conductor for the shell of electronic equipment of the seventh embodiment
The stereogram that portion 2 is indicated.
Specific implementation mode
After, with reference to attached drawing and enumerates several specific examples, indicates 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, is that the interconnecting piece voltage with ground connection becomes 0 in the case of being connected to ground connection.It is dipole as typical standing-wave antenna
Antenna, unipole antenna, inverted-L antenna, inverted F shaped antenna (IFA), 1 wave loops antenna, dipole antenna of turning back, monopole day of turning back
Spin-off (the spoke of line, microstrip antenna, paster antenna, plate inverted F shaped antenna (PIFA), slot antenna, trap antenna, each antenna
It penetrates element and is connected to multiple parallel connections, 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) etc..
" 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 electronic equipment for indicating antenna assembly 101A of the first embodiment and having antenna assembly 101A
The vertical view of the composition of 201A.Fig. 2 is the 1st conductor portion 1, the 2nd conductor portion 2 and the circuit base for the shell for indicating electronic equipment 201A
The stereogram of the composition of plate 10.
Electronic equipment 201A is, for example, so-called smart phone or tablet terminal etc., portable electric with communication function
Sub- equipment.
The shell of electronic equipment 201A has the 1st conductor portion 1 and the 2nd conductor portion 2.In Fig. 1, the 1st conductor about shell
Part (such as resin portion) other than portion 1 and the 2nd conductor portion 2 and illustration omitted.1st conductor portion 1 and the 2nd conductor portion 2 are for example
It is the formed body of the metallic plates such as the aluminium sheet being anodized.1st conductor portion 1 have three faces parallel with Z-direction, the 2nd
Conductor portion 2 has three faces parallel with Y-direction.Shell is internally provided with circuit board 10.In example shown in FIG. 1, by shape
Antenna assembly 101A is constituted in the circuit of circuit board 10 and the 1st conductor portion 1 of shell.
1st conductor portion 1 of shell is used as the radiating element of the standing wave type antenna of the 1st frequency band.In circuit board 10
It is provided with the 1st power supply circuit 11, the 1st power supply circuit 91 of the 1st frequency band, the 2nd frequency band blocking element 12,13.In the 1st conductor
The connecting portion P9 in portion 1 is connected with the 1st power supply circuit 91 of the 1st frequency band via the 1st power supply circuit 11.Further more, the 2nd
Frequency band blocking element 12,13 is connected between connecting portion P1, P2 and ground connection of the 1st conductor portion 1.
It is further provided with linear conductor 20, the 1st frequency band blocking element 25,26, resonance electricity container in circuit board 10
2nd power supply circuit 92 of the 29 and the 2nd frequency band.1st end of linear conductor 20 is connected to the 1st conductor portion via connection conductor 41
1 connecting portion P1.In addition, the 2nd end of linear conductor 20 is connected to the interconnecting piece of the 1st conductor portion 1 via connection conductor 42
Position P2.It is, for example, movable type probe pin or electric conductivity screw etc. to connect conductor 41,42.Linear conductor 20 with connect conductor 41,
42 are equivalent to " linear conductor " in the utility model.
Linear conductor 20 is connected in series with the 2nd power supply circuit 92, the 1st frequency band blocking element 25,26.In turn, resonance electricity consumption
Container 29 is connected in parallel in the 2nd power supply circuit 92.
A part for the 1st conductor portion 1 including shell and linear conductor 20, to constitute the field type day of the 2nd frequency band
The loop portion of line.By the inductance in the loop portion LC antiresonant circuits are constituted with resonance electricity container 29.
The opening width W2 in loop portion is more than the connecting portion of the 1st conductor portion 1 of the radiating element as the 1st frequency band
Width (length in the 1st conductor portion 1) W1 between P1, P2.
By the 1st conductor portion 1 of shell and it is formed in the foregoing circuit of circuit board 10 and constitutes antenna assembly 101A.Such as
Shown in later, antenna assembly 101A based on the 1st frequency band due to using the power supply of power supply circuit 91 as the antenna of the 1st frequency
It works, the antenna as the 2nd frequency due to using the power supply of power supply circuit 92 based on the 2nd frequency band works.
Fig. 3 (A) is the equivalent circuit diagram for the effect for indicating the antenna assembly 101A in the 1st frequency band.In the example, Fig. 1 is shown
The 1st power supply circuit 11 and the 2nd frequency band blocking element 12,13 be respectively the 2nd frequency band blocking capacitor.1st frequency band example
UHF band in this way or SHF frequency bands, the 2nd frequency band are HF frequency bands.That is, the frequency of the 1st frequency band is higher than the 2nd frequency band.1st frequency band (UHF
Frequency band or SHF frequency bands) in, the 1st power supply circuit 11 and the 2nd frequency band blocking element 12,13 respectively become Low ESR, therefore are scheming
It is expressed as the circuit being connected directly in 3 (A).In addition, the 1st frequency band blocking element 25,26 is inductor in the example.1st frequency band
In, the 1st frequency band blocking element 25,26 becomes high impedance, therefore is not expressed as circuit in Fig. 3 (A).
Connecting portion P1, P2 of the 1st conductor portion 1 as radiating element are connected to ground connection.1st power supply circuit 91 is for example
It is the RFIC of UHF band or SHF frequency bands.1st power supply circuit 91 is powered the 1st frequency band to the connecting portion P9 of the 1st conductor portion 1
Signal.The connection of 1st conductor portion 1 and ground connection via the 2nd frequency band blocking element 12,13, as radiating element, in the 1st frequency
It is used as stub to work with interior, the 1st conductor portion 1 works as the standing wave type antenna of inverted F shaped antenna etc..
Element 12,13, the 1st conductor portion 1 and ground connection as radiating element connection can will be being interdicted via the 2nd frequency band
In the case that portion works as stub as described above, by the stub, power supply circuit 91 is ideally impedance matched with antenna.
Fig. 3 (B) is the equivalent circuit diagram for the effect for indicating the antenna assembly 101A in the 2nd frequency band.In the example, due to
The 1st power supply circuit 11 becomes high impedance in 2 frequency bands (HF frequency bands), thus do not indicated in Fig. 3 (B) the 1st power supply circuit 11 and
1st power supply circuit 91.
Between connecting portion P1, P2 of the 1st conductor portion 1, element 25,26 is interdicted by connecting the 41,42, the 1st frequency band of conductor
And the loop portion of linear conductor 20 and the field type antenna of the 2nd frequency band of composition.Inductance by the loop portion and resonance electricity consumption
Container 29 and constitute LC antiresonant circuits.2nd power supply circuit 92 is, for example, the RFIC of HF frequency bands.2nd power supply circuit 92 to
Above-mentioned LC antiresonant circuits power supply.
2nd frequency band blocking element (capacitor) 12,13 becomes high impedance in the 2nd frequency band, therefore to upper in the 2nd frequency band
Stating parallel LC resonance circuit will not substantially impact.
It works as the field type antenna of the 2nd frequency band in above-mentioned loop portion.Here, in the 2nd frequency band (HF frequency bands), loop
The length in portion is short enough for wavelength, and preferably 1/10th of wavelength are hereinafter, therefore loop portion becomes for base
In the small loop antenna of the communication of magnetic coupling.In addition, due in the 2nd frequency band (HF frequency bands), the length in loop portion is opposite
It is short enough for wavelength, therefore radiation resistance is low, in the 2nd frequency band (HF frequency bands), loop portion is difficult to radiated electromagnetic wave.
Fig. 4 is the composition of the antenna assembly 101B and electronic equipment 201B for the variation for being denoted as the 1st embodiment
Vertical view.Compared with the example shown in Fig. 1, the shape of linear conductor 20 is different.In antenna assembly 101A, along the 1st conductor portion 1
Main extending direction, the formation range of linear conductor 20 extends between connecting portion P1, P2 to both sides.Antenna assembly
In 101B, along the main extending direction of the 1st conductor portion 1, the formation range of linear conductor 20 is between connecting portion P1, P2
To unilateral extension.The opening width W2 in the loop portion of antenna assembly 101B is also greater than the radiating element as the 1st frequency band
Width (length in the 1st conductor portion 1) W1 between connecting portion P1, P2 of 1st conductor portion 1.
In addition, the law of reciprovity (reciprocal theorem) of above-mentioned standing wave type antenna and field type antenna based on antenna, even if transmitting-receiving
It is reverse phase, also sets up.That is, above-mentioned standing wave type antenna and field type antenna can be used in transmission, reception or its both sides.It connects
When receipts, the 1st power supply circuit 91 is the receiving circuit of the 1st frequency band, and the 2nd power supply circuit 92 is the receiving circuit of the 2nd frequency band.
1st power supply circuit 11 can also be impedance matching other than the capacitor for interdicting the 2nd frequency band (HF frequency bands)
Circuit, filter, switch or the circuit including these.
2nd frequency band interdict element 12,13 in addition to be other than the 2nd frequency band (HF frequency bands) becomes the capacitor of high impedance,
Can be impedance matching circuit, filter, switch or the circuit including these under the 1st frequency.
2nd power supply circuit 92 can also be impedance matching circuit in the 2nd frequency band, filter other than the 2nd frequency band is with RFIC
Wave device, the also power supply circuit including balanced-to-unblanced transformer etc..
According to the present embodiment, it is not used for the entirety of the 1st conductor portion 1 of the radiating element of the 1st frequency band, but will
Part of it be used for the 2nd frequency band loop of field type antenna a part, therefore be easy by the inductance in loop portion be determined as to
Definite value can be easily determined by the resonant frequency needed for the antenna as the 2nd frequency band.But at least compare spoke on one side due to being formed
The big loop of connecting portion P1, P2 on element is penetrated, therefore the opening of coil becomes larger, the radiation of magnetic flux and collects the region of magnetic and expands.
Further more, can be easily used to form on radiating element in the 1st conductor portion 1 setting for being used as the radiating element of the 1st frequency band
Current distribution circuit or for making the adjunct circuits such as power supply circuit and the matched circuit of radiating element.In addition, being used as
1st conductor portion 1 of radiating element is configured at the front end of electronic equipment 201A.The loop of 2nd frequency band field type antenna as a result,
As the front end of electronic equipment 201A, so becoming prone to make the loop of the 2nd frequency band field type antenna close to the electronics of outside
The field type antenna of equipment, becomes prone to communicate.
《2nd embodiment》
In 2nd embodiment, a pair antenna assembly and electronics different from the 1st embodiment comparison composition of linear conductor is set
It is standby to be indicated.
Fig. 5 is the electronic equipment 202 for indicating antenna assembly 102 of the second embodiment and having the antenna assembly 102
Composition vertical view.Circuit board 10 is provided with the 1st power supply circuit the 91, the 2nd of the 1st power supply circuit 11, the 1st frequency band
Frequency band blocking element 12,13, the 21,22, the 1st frequency band of linear conductor blocking element 25,26, resonance electricity container 29 and the 2nd frequency band
2nd power supply circuit 92.
1st end of linear conductor 21 is connect, the 2nd end quilt via connection conductor 41 with the connecting portion P1 of the 1st conductor portion 1
It is connected to ground connection.1st end of linear conductor 22 is connect, the 2nd via connection conductor 42 with the connecting portion P2 of the 1st conductor portion 1
End is connected to ground connection.2nd power supply circuit 92 is connected in series in linear conductor 22.Therefore, in the interconnecting piece of the 1st conductor portion 1
Between position P1, P2, element 25,26, linear conductor 21,22 and circuit board 10 are interdicted by connecting the 41,42, the 1st frequency band of conductor
Earth conductor and the loop portion for constituting the field type antenna of the 2nd frequency band.In addition, it is formed with earth conductor in circuit board 10,
So that underlapped with the widened earth conductor of planar in above-mentioned loop portion.Thus, earth conductor electromagnetically block on
The opening in loop portion is stated, above-mentioned loop portion works as field type antenna.
The opening width W2 in loop portion is more than the connecting portion of the 1st conductor portion 1 of the radiating element as the 1st frequency band
Width (length in the 1st conductor portion 1) W1 between P1, P2.The day that Fig. 1 is illustrated in other compositions and the 1st embodiment is traditional thread binding
It is identical to set 101A.
Fig. 6 is the equivalent circuit diagram for the effect for indicating the antenna assembly 102 in the 2nd frequency band.With Fig. 3 in the 1st embodiment
(B) equivalent circuit that shows is different, between connecting portion P1, P2 of the 1st conductor portion 1, by the 1st frequency band interdict element 25,26,
Linear conductor 21,22 and earth conductor constitute the loop portion of the field type antenna of the 2nd frequency band.Further more, the loop portion is connected
It is connected to ground connection.
Even if linear conductor 21,22 is grounded as in the present embodiment, the above-mentioned loop portion also magnetic as the 2nd frequency band
Field pattern antenna works.
According to the present embodiment, the part in loop portion is also used as due to being formed in the earth conductor of circuit board, therefore
The forming region of linear conductor can be reduced.
In addition, in present embodiment, the 1st end of linear conductor 21 is connected to the 1st conductor portion 1 via connection conductor 41
Connecting portion P1, the 2nd end are connected to ground connection.1st end of linear conductor 22 is connected to the 1st conductor portion via connection conductor 42
1 connecting portion P2, the 2nd end is connected to ground connection.That is, via connection conductor 41,42 and linear conductor 21,22, the 1st conductor portion
1 is connected with ground connection.However, it is also possible to linear conductor 21,22 is not used, and by movable type probe pin or electric conductivity screw
The 1st conductor portion 1 and ground connection are connected Deng the connection conductor 41,42 formed.In this case, connection conductor 41,42 is equivalent to this
" linear conductor " in utility model.
《3rd embodiment》
In 3rd embodiment, pair the different antenna assembly and electricity of the comparison composition of linear conductor is carried out from the 1st embodiment
Sub- equipment is indicated.
Fig. 7 is the electronic equipment 203 for indicating antenna assembly 103 of the third embodiment and having the antenna assembly 103
Composition vertical view.Circuit board 10 is provided with the 1st power supply circuit the 91, the 2nd of the 1st power supply circuit 11, the 1st frequency band
Frequency band blocking element 12,13, the 21,22, the 1st frequency band of linear conductor blocking element 25,26, resonance electricity container 29 and the 2nd frequency band
2nd power supply circuit 92.
1st end of linear conductor 21 is connect via connection conductor 41 with the connecting portion P1 of the 1st conductor portion 1, the 2nd end warp
It is connect with the 2nd conductor portion 2 of shell by movable type probe pin 31.1st end of linear conductor 22 via connection conductor 42 and
It is connect with the connecting portion P2 of the 1st conductor portion 1, the 2nd end connects via movable type probe pin 32 with the 2nd conductor portion 2 of shell
It connects.2nd power supply circuit 92 is connected in series in linear conductor 22.Therefore, between connecting portion P1, P2 of the 1st conductor portion 1, pass through
Connect conductor 41, the 42, the 1st frequency band blocking element 25,26, the 2nd conductor portion 2 of linear conductor 21,22 and shell and constitute the 2nd frequency
With field type antenna loop portion.1st conductors of the opening width W2 in loop portion than the radiating element as the 1st frequency band
Width (length in the 1st conductor portion 1) W1 between connecting portion P1, the P2 in portion 1 is also big.In other compositions and the 1st embodiment
Antenna assembly 101A shown in Fig. 1 is identical.
As in the present embodiment, the part in a part even loop portion of the 2nd conductor portion of shell, loop portion
Field type antenna as the 2nd frequency band works.
According to the present embodiment, since the 2nd conductor portion 2 of shell is also used as the part in loop portion, therefore line can be reduced
Forming region of the shape conductor to circuit board 10.
《4th embodiment》
In 4th embodiment, for the antenna assembly and electronics different from the 2nd embodiment comparison composition of linear conductor
Equipment and indicated.
Fig. 8 is the electronic equipment 204 for indicating antenna assembly 104 of the fourth embodiment and having the antenna assembly 104
Composition vertical view.It is formed with linear conductor 21A, 21B, 22 in circuit board 10.Linear conductor 21A, 22 are formed in circuit
The surface of substrate 10, linear conductor 21B are formed in the inside or the back side of circuit board 10.In other compositions and the 2nd embodiment
Antenna assembly 102 shown in Fig. 5 is identical.
According to the present embodiment, since the overall length of linear conductor is elongated, the number of turns in loop portion increases, therefore loop will not be expanded
The occupied area in portion, it will be able to obtain given inductance.Further more, can expand the magnetic flux in the 2nd frequency band antenna radiation and
Collect magnetic effect.
《5th embodiment》
It is traditional thread binding for the day different from the 1st~the 4th embodiment comparison composition of the 2nd power supply circuit in 5th embodiment
It sets and electronic equipment is indicated.
Fig. 9 is the electronic equipment 205 for indicating antenna assembly 105 of the fifth embodiment and having the antenna assembly 105
Composition vertical view.Wherein, it is indicated in fig.9 mainly for the field type antenna of the 2nd frequency band, about the 1st frequency band
Antenna, it is identical with the embodiment that shows so far, thus its diagram is omitted herein.
Circuit board 10 be provided with the 21,22, the 1st frequency band of linear conductor blocking element 25,26, resonance electricity container 29 and
2nd power supply circuit 92 of the 2nd frequency band.2nd power supply circuit 92 is by power supply coil 92C and is connected to the 2nd of power supply coil 92C
Power supply circuit portion 92A is constituted.
Power supply coil 92C is that the helical form based on conductive pattern is constituted on the laminated body of the stacking based on magnetic layer
The construction of coil.Power supply coil 92C is installed in circuit board 10 so that above-mentioned spiral coil and linear conductor 21 into
Row magnetic coupling and field coupling.
1st end of linear conductor 21 is connected to the connecting portion P1 of the 1st conductor portion 1, the 2nd end via connection conductor 41
It is connected to ground connection.1st end of linear conductor 22 is connected to the connecting portion P2 of the 1st conductor portion 1 via connection conductor 42,
2nd end is connected to ground connection.Resonance electricity container 29 is connected in series in linear conductor 21.Therefore, in the connection of the 1st conductor portion 1
Between position P1, P2, pass through connection the 41,42, the 1st frequency band of conductor blocking element 25,26, linear conductor 21,22 and circuit board 10
Earth conductor and constitute the loop portion of the field type antenna of the 2nd frequency band.By the loop portion and resonance electricity container 29 come structure
At LC series resonant circuits.
Figure 10 is the equivalent circuit diagram for the effect for indicating the antenna assembly 105 in the 2nd frequency band.In Figure 10, with coil 21C come
Indicate the part of the linear conductor 21 coupled with power supply coil 92C.By the coupling of coil 21C and power supply coil 92C,
To the signal of the 2nd frequency band of above-mentioned loop portion power supply.According to the present embodiment, due to the inductance and resonance capacitance by loop portion
The capacitance of device 29 constitutes LC series resonant circuits, therefore becomes Low ESR at the resonant frequency fx, can be flowed through in loop portion compared with
Strong electric current.
As long as no matter the position that power supply coil 92C is coupled all is wherein possible in loop portion.Such as also may be used
Be the 1st conductor portion 1 connecting portion P1, P2 between or connection conductor 41,42.Wherein, since linear conductor 21,22 or connection are led
Body 41,42 is thin compared to the 1st conductor portion 1, therefore can be coupled strongly.It in turn, can if wiring pattern is surround
More strongly couple.
In addition, in present embodiment, although showing that power supply coil 92C at least carries out magnetic coupling with loop portion, thus supply
The example that electric coil is electrically connected with loop portion, but the utility model is not defined as this composition.It can also be composition loop
A part for the electrode in portion and the electrode of power supply coil 92C are formed as insulator, are thus configured to one as transformer element
The component of body.At least the 2nd power supply circuit 92 is connected with loop portion via magnetic coupling, be thus not rely on loop portion and
2nd power supply circuit 92 is balancing circuitry or unbalanced circuit, and the 2nd power supply circuit 92 can power to loop portion.
《6th embodiment》
In 6th embodiment, for being compared from the 1st~the 5th embodiment, the composition of conductor portion of shell is different
Antenna assembly and electronic equipment are indicated.
Figure 11 is the electronic equipment for indicating antenna assembly 106 of the sixth embodiment and having the antenna assembly 106
The vertical view of 206 composition.
The 1st conductor portion 1 and the 2nd conductor portion 2 of shell are concatenated via linear conductor 21.The linear conductor 21 is integrally
It is set to the 1st conductor portion 1 and the 2nd conductor portion 2 of shell.
Circuit board 10 is provided with the 1st power supply circuit 91, the linear conductor of the 1st power supply circuit 11, the 1st frequency band
22, the 1st frequency band blocking element 26, resonance electricity container 29 and the 2nd frequency band the 2nd power supply circuit 92.
1st end of linear conductor 22 is connected to the connecting portion P2 of the 1st conductor portion 1, the 2nd end warp via connection conductor 42
The 2nd conductor portion 2 of shell is connected to by movable type probe pin 32.2nd power supply circuit 92 is connected in series in linear conductor 22.
Therefore, between the connecting portion P1 and connecting portion P2 of the 1st conductor portion 1, by connect conductor 42, the 1st frequency band interdict element 26,
2nd conductor portion 2 of linear conductor 22 and shell and constitute the 2nd frequency band be field type antenna loop portion.The opening in loop portion
Width W2 is than width (length in the 1st conductor portion 1) W1 biggers between connecting portion P1, P2 of the 1st conductor portion 1.
Figure 12 (A) is the equivalent circuit diagram for the effect for indicating the antenna assembly 106 in the 1st frequency band.In the example, Figure 11 is shown
The 1st power supply circuit 11 be the 2nd frequency band blocking capacitor.In 1st frequency band (UHF band or SHF frequency bands), the 1st power supply
Portion's circuit 11 becomes Low ESR, therefore in Figure 12 (A), is expressed as the circuit being connected directly.Further more, in the example, the 1st frequency band
Blocking element 26 is inductor.In 1st frequency band, the 1st frequency band blocking element 26 becomes high impedance, therefore the non-table in Figure 12 (A)
It is shown as circuit.
The connecting portion P1 of the 1st conductor portion 1 as radiating element is connected to ground connection.1st power supply circuit 91 is, for example,
The RFIC of UHF band or SHF frequency bands.Letter of 1st power supply circuit 91 to connecting portion P9 the 1st frequency bands of power supply of the 1st conductor portion 1
Number.In this way, the 1st conductor portion 1 works as inverted F shaped antenna in the 1st frequency band.
Figure 12 (B) is the equivalent circuit diagram for the effect for indicating the antenna assembly 106 in the 2nd frequency band.In the example, in the 2nd frequency
The 1st power supply circuit 11 becomes high impedance in band (HF frequency bands), thus do not indicate in Figure 12 (B) the 1st power supply circuit 11 and
1st power supply circuit 91.
Between connecting portion P1, P2 of the 1st conductor portion 1, including the 1st frequency band interdicts element 26 and linear conductor 22 and constitutes
The loop portion of the field type antenna of 2nd frequency band.LC to be constituted with resonance electricity container 29 in parallel by the inductance in the loop portion
Resonance circuit.2nd power supply circuit 92 is, for example, the RFIC of HF frequency bands.2nd power supply circuit 92 is to above-mentioned LC antiresonant circuits
Power supply.
As in the present embodiment, the 1st conductor portion 1 of shell and the linking part of the 2nd conductor portion 2 can also be linear conductor
A part.
《7th embodiment》
In 7th embodiment, the 1st conductor portions 1 and the 2nd different from each embodiment illustrated above, shell are indicated
The composition of conductor portion 2.
Figure 13 (A) (B) is the 1st conductor portion 1 and the 2nd conductor for the shell of electronic equipment of the seventh embodiment
The stereogram that portion 2 is indicated.About the part (such as resin portion) other than the 1st conductor portion 1 of shell and the 2nd conductor portion 2,
Illustration omitted.It is internally provided with circuit board 10 in shell.
In example shown in Figure 13 (A), the 1st conductor portion 1 has three faces parallel with Y-direction, and electricity is covered throughout three faces
Around one end of base board 10.In the example shown in Figure 13 (B), the 1st conductor portion 1 is throughout covering circuit board 10 on four sides
One end around.1st conductor portion 1 all has the component being distributed around Y-axis.
As shown in the embodiment, the 1st conductor portion 1 of shell and the shape of the 2nd conductor portion 2 can be as the 1st frequencies
With standing wave type antenna radiating element work and may make up the 2nd frequency band field type antenna loop portion range
In suitable for change.
Go out as shown in the embodiment, the 1st conductor portion 1 is if it is the shape being distributed around Y-axis, then the 2nd frequency band
The circumferentia in the loop portion of field type antenna has from the inclined ingredient of X-Y plane.The orientation of field type antenna can be also determined as a result,
Property.
In addition, in each embodiment illustrated above, although showing the 1st conductor portion 1 of shell, the 2nd conductor portion 2, circuit
The flat shape of substrate 10 is the example of rectangle, but is not defined as the shape.Part or all of these components also may be used
To be curved.
Further more, in the 5th embodiment is excluded each embodiment outside, although power supply circuit is directly connected to line
Shape conductor, but the HF frequency bands of the 2nd power supply circuit 92 can also be connected to via transformer (balanced-to-unblanced transformer)
Between RFIC and linear conductor.For this purpose, can also be balanced-imbalance is converted or impedance matching.
In addition, in each embodiment illustrated above, although showing part or all of linear conductor being formed in electricity
The example of base board, but it is not defined as this composition.For example, it is also possible to be mounted with the frequency of the 1st power supply circuit the 11, the 1st
With the 1st power supply circuit, the 2nd frequency band the 2nd power supply circuit etc. the different substrate of circuit board on form linear conductor,
Linear conductor can also be constituted with lead etc..
In addition, in the above embodiment, contribute near field logical although showing that loop portion is used as in HF frequency bands (the 2nd frequency band)
The example that the magnetic field radiation type antenna of the magnetic field radiation of credit works, but it is not defined as this composition.Loop portion can also make
For in the non-contact power transmission system at least with magnetic coupling of electromagnetic induction or magnetic resonance method etc. by
Electric antenna or power transmission antenna use.In the case where the antenna assembly of the above embodiment is used in power transmission device, loop
Portion becomes power transmission antenna, and the 2nd power supply circuit becomes the power transmission circuit supplied electric power to power transmission antenna.Said antenna device is sharp
In the case of power receiving device, loop portion become power receiving antenna, the 2nd power supply circuit become will the electric power from power receiving antenna to
The power receiving circuit of load supply in 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-
P1, P2, P9 ... connecting portion
1 ... the 1st conductor portion
2 ... the 2nd conductor portions
10 ... circuit boards
11 ... the 1st power supply circuits
12,13 ... the 2nd frequency bands interdict element
20,21,22 ... linear conductor
21A, 21B ... linear conductor
21C ... coils
22 ... linear conductors
25,26 ... the 1st frequency bands interdict element
29 ... resonance electricity container
31,32 ... movable type probe pins
41,42 ... connection conductors
91 ... the 1st frequency band power supply circuits
92 ... the 2nd frequency band power supply circuits
The 2nd power supply circuit portions 92A ...
92C ... power supply coils
101A, 101B ... antenna assembly
102~106 ... antenna assemblies
201A, 201B ... electronic equipment
202~206 ... electronic equipments.
Claims (8)
1. a kind of antenna assembly, which is characterized in that have：
The radiating element of the standing wave type antenna of 1st frequency band connects the 1st power supply circuit of the 1st frequency band；With
Linear conductor is connected at least two position of the radiating element,
The 2nd power supply circuit of the 2nd frequency band is connected, and is made up of a part for the radiating element and the linear conductor
The loop portion of the field type antenna of 2nd frequency band,
The opening width in the loop portion is than the radiation element between the connecting portion at 2 positions of the radiating element
Length on part is also big.
2. antenna assembly according to claim 1, which is characterized in that
The frequency of 1st frequency band is higher than the 2nd frequency band,
Has the 1st frequency band blocking element between the radiating element and the linear conductor, compared to the 2nd frequency band
Become more high impedance in the 1st frequency band.
3. antenna assembly according to claim 1 or 2, which is characterized in that
2nd power supply circuit has the power supply coil that magnetic coupling is carried out with the loop portion.
4. a kind of electronic equipment has antenna assembly and shell, the electronic equipment is characterized in that,
The antenna assembly has：
The radiating element of the standing wave type antenna of 1st frequency band connects the 1st power supply circuit of the 1st frequency band；With
Linear conductor is connected at least two position of the radiating element,
The 2nd power supply circuit of the 2nd frequency band is connected, and is made up of a part for the radiating element and the linear conductor
The loop portion of the field type antenna of 2nd frequency band,
The opening width in the loop portion is than the radiation element between the connecting portion at 2 positions of the radiating element
Length on part is also big.
5. electronic equipment according to claim 4, which is characterized in that
It is internally provided with circuit board in the shell,
The circuit board has earth conductor,
The linear conductor is connected to the earth conductor.
6. electronic equipment according to claim 4 or 5, which is characterized in that
The shell has conductor portion,
A part for the linear conductor is the conductor portion.
7. electronic equipment according to claim 6, which is characterized in that
The conductor portion includes the 1st conductor portion of the shell and with the side opposed with the 1st conductor portion and with the described 1st
2nd conductor portion of conductor portion conducting.
8. electronic equipment according to claim 4 or 5, which is characterized in that
The shell has conductor portion,
Part or all of the radiating element is the conductor portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-101831 | 2015-05-19 | ||
| JP2015101831 | 2015-05-19 | ||
| PCT/JP2016/064544 WO2016186091A1 (en) | 2015-05-19 | 2016-05-17 | Antenna device and electronic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910065U true CN207910065U (en) | 2018-09-25 |
Family
ID=57319923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201690000723.4U Active CN207910065U (en) | 2015-05-19 | 2016-05-17 | Antenna assembly and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207910065U (en) |
| WO (1) | WO2016186091A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113519091A (en) * | 2019-03-04 | 2021-10-19 | 株式会社村田制作所 | Communication device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002993B (en) * | 2016-11-29 | 2023-09-19 | 株式会社村田制作所 | Antenna device and electronic device |
| JP2023106136A (en) * | 2022-01-20 | 2023-08-01 | タイコエレクトロニクスジャパン合同会社 | Antenna composite body |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9793616B2 (en) * | 2012-11-19 | 2017-10-17 | Apple Inc. | Shared antenna structures for near-field communications and non-near-field communications circuitry |
| CN104638349B (en) * | 2012-12-21 | 2017-06-30 | 株式会社村田制作所 | Antenna assembly and electronic equipment |
-
2016
- 2016-05-17 WO PCT/JP2016/064544 patent/WO2016186091A1/en active Application Filing
- 2016-05-17 CN CN201690000723.4U patent/CN207910065U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113519091A (en) * | 2019-03-04 | 2021-10-19 | 株式会社村田制作所 | Communication device |
| CN113519091B (en) * | 2019-03-04 | 2022-10-25 | 株式会社村田制作所 | Communication device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016186091A1 (en) | 2016-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9059520B2 (en) | Wireless communication device and communication terminal apparatus | |
| CN207800911U (en) | Antenna assembly and electronic equipment | |
| CN104471789B (en) | Antenna assembly and electronic equipment | |
| CN207765315U (en) | Magnetic field coupled element, antenna assembly and electronic equipment | |
| EP2396970B1 (en) | Half-loop chip antenna and associated methods | |
| US8164529B2 (en) | Loop antenna including impedance tuning gap and associated methods | |
| Behdad et al. | A very low-profile, omnidirectional, ultrawideband antenna | |
| CN106099354B (en) | Dual-frequency built-in antenna and design method thereof | |
| US5914695A (en) | Omnidirectional dipole antenna | |
| CN203674401U (en) | Antenna device and communication terminal device | |
| CN105556745A (en) | Techniques of tuning an antenna by weak coupling of a variable impedance component | |
| Wang et al. | A dual-band printed electrically small antenna covered by two capacitive split-ring resonators | |
| CN102396110A (en) | Broadband antenna using coupling matching with short-circuited end of radiator | |
| JP2014534763A (en) | Antenna arrangement and device | |
| CN207910065U (en) | Antenna assembly and electronic equipment | |
| Shen et al. | Compact quad-port dual-polarized dipole rectenna for ambient RF energy harvesting | |
| CN207638003U (en) | Antenna assembly and electronic equipment | |
| Choi et al. | Design of a dipole tag antenna enclosed by a short-stub for UHF RFID application | |
| US20130043315A1 (en) | RFID tag with open-cavity antenna structure | |
| CN207910064U (en) | Antenna assembly and electronic equipment | |
| CN216251107U (en) | Antenna device and electronic apparatus | |
| Samsuzzaman et al. | A new design of bracket shape dipole and meander line UHF RFID tag | |
| CN208674354U (en) | Antenna assembly and electronic equipment | |
| Honarvar et al. | Direct Matching Antennas in RF Energy Harvesting Systems: A Review | |
| CN102467675B (en) | A kind of radio-frequency (RF) tag and resonant circuit structure thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |