CN205921090U - FM antenna module and terminal - Google Patents
FM antenna module and terminal Download PDFInfo
- Publication number
- CN205921090U CN205921090U CN201620697368.2U CN201620697368U CN205921090U CN 205921090 U CN205921090 U CN 205921090U CN 201620697368 U CN201620697368 U CN 201620697368U CN 205921090 U CN205921090 U CN 205921090U
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- switch
- coil
- wireless charging
- chip
- contact
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- 238000004088 simulation Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
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- Telephone Function (AREA)
Abstract
The utility model provides a FM antenna module and terminal. Wherein, this antenna module includes: frequency modulation coil and wireless charging coil, control circuit and FM chip, control circuit are connected with frequency modulation coil, wireless charging coil and FM chip respectively for to insert the FM chip by one of the at least coil loop circuit who forms among frequency modulation coil and the wireless charging coil, the FM chip passes through coil loop circuit received signal. The utility model provides an in the correlation technique, the relatively poor technical problem of convenience when using the FM function on the cell -phone, and then reached and improve the convenience of FM function and the technological effect that improves user experience.
Description
Technical field
This utility model is related to communication equipment field, in particular to a kind of fm antenna module and terminal.
Background technology
Mobile phone has been increasingly becoming people not as the requisite consumer goodss of people's daily life, the various functions on mobile phone
The part that can or lack, such as frequency modulation(PFM) (frequency modulation, abbreviation fm) function, but, current fm generally needs
Earphone cord to be adopted, as fm antenna, so is necessary for plugging in the earphone when using fm, to making troubles property of user.
In addition, for for possessing the mobile phone of high-fidelity (high-fidelity, abbreviation hifi) playing function, if adopted
With earphone cord as fm antenna it is necessary on circuit over the ground connect a big impedance magnetic bead, due to the presence of this magnetic bead, meeting
The crosstalk index in hifi is made to deteriorate significantly, so typically bragging about the mobile phone of hifi all not comprise fm function.
For in correlation technique, using convenience poor technical problem during fm function on mobile phone, not yet propose at present
Effectively solution.
Utility model content
This utility model embodiment provides a kind of fm antenna module and terminal, at least to solve in correlation technique, uses
Convenience poor technical problem during fm function on mobile phone.
A kind of one side according to this utility model embodiment, there is provided fm antenna module, this antenna module includes: frequently
Rate modulation coil and Wireless charging coil；Control circuit and fm chip, control circuit respectively with frequency modulation(PFM) coil, wireless charging
Coil and fm chip connect, for being returned by the coil that at least one of frequency modulation(PFM) coil and Wireless charging coil are formed
Fm chip is accessed on road, and fm chip passes through wire loop receipt signal.
Further, control circuit includes: on-off circuit, respectively with frequency modulation(PFM) coil, Wireless charging coil and fm
Chip connects, and on-off circuit is used for for wire loop accessing fm chip；Controller, is connected with on-off circuit, and controller is used for leading to
Cross the connection status that on-off circuit controls frequency modulation(PFM) coil and Wireless charging coil.
Further, the first end of frequency modulation(PFM) coil is formed with the first contact being connected with on-off circuit, frequency is adjusted
It is formed with, on second end of coil processed, the second contact being connected with fm chip, the first end of Wireless charging coil is formed with and opens
Close the 3rd contact that circuit connects, the second end of Wireless charging coil is formed with the 4th contact being connected with on-off circuit.
Further, on-off circuit includes: first switch, the first end of first switch and the first contact portion, and first opens
The second end closed and the 4th contact portion, the 3rd end of first switch is connected with controller, and first switch is used for controlling first to touch
Point and the connection status of the 4th contact；Second switch, the first end of second switch and the 3rd contact portion, the second of second switch
End and the first contact portion, the 3rd end of second switch is connected with fm chip, and the 4th end of second switch is connected with controller, the
Two switch the connection status for controlling the 3rd contact and fm chip, or for controlling the connection shape of the first contact and fm chip
State.
Further, first switch and second switch are analog switch.
Further, on-off circuit also includes: the 3rd switch, first end and the 3rd contact portion of the 3rd switch, and the 3rd
Second end of switch is connected with wireless charging module, and the 3rd end of the 3rd switch is connected with controller, and the 3rd switchs for controlling
3rd contact and the connection status of wireless charging module；4th switch, the first end of the 4th switch and the 4th contact portion, the 4th
Second end of switch is connected with wireless charging module, and the 3rd end of the 4th switch is connected with controller, and the 4th switchs for controlling
Control the connection status of the 4th contact and wireless charging module.
Further, the 3rd switch and the 4th switchs as analog switch.
Further, controller is application controller.
A kind of other side according to this utility model embodiment, there is provided terminal, above-mentioned any one of this terminal
Fm antenna module.
Further, the frequency modulation(PFM) coil in fm antenna module and Wireless charging coil are arranged on the cell rear cover of terminal
On.
In this utility model embodiment, control circuit respectively with frequency modulation(PFM) coil, Wireless charging coil and fm core
Piece connects, and the wire loop being formed by least one of frequency modulation(PFM) coil and Wireless charging coil is accessed fm chip,
When fm chip passes through wire loop receipt signal, fm function in using terminal, earphone need not be inserted, wireless charging can be passed through
Coil carrys out extended antenna, thus solving in correlation technique, using convenience poor technical problem during fm function on mobile phone,
The technique effect achieving the convenience improving fm function and improving Consumer's Experience.
Brief description
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used for explaining this utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings:
Fig. 1 is the schematic diagram of the fm antenna module according to this utility model embodiment；
Fig. 2 is the schematic diagram of the optional fm antenna module according to this utility model embodiment；
Fig. 3 is the schematic diagram of the optional fm antenna module according to this utility model embodiment.
Specific embodiment
To describe this utility model in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not rushing
In the case of prominent, the embodiment in the application and the feature in embodiment can be mutually combined.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.
Embodiment 1
Broadcast receiver commonly uses in people's daily life, using also more and more extensive in mobile phone.Domestic typically make
With the working frequency range of FM broadcast receiver between 87-108mhz, general antenna theory length is 1/4 to the 1/2 of wavelength, leads to
Cross and can be calculated wavelength in (300/100)/4=0.75m to (300/100)/2=1.5m, it follows that the theory of half-wave antenna
Between length 0.75m to 1.5m.Because earphone cord is longer, so typically adopting earphone cord as fm reception antenna, to obtain ratio
Preferably listening quality.But the presence due to earphone, inconvenient in actual practicality, bring bad experience to user's practicality.
In order to solve this problem, present applicant proposes following scheme.
According to this utility model embodiment, there is provided a kind of embodiment of fm antenna module, Fig. 1 is according to this utility model
The schematic diagram of the fm antenna module of embodiment, as shown in figure 1, this antenna module includes: frequency modulation(PFM) coil 11, wireless charging electric wire
Circle 12, control circuit 13 and fm chip 14.
Wherein, control circuit 13 (including processor cpu) respectively with frequency modulation(PFM) coil 11, Wireless charging coil 12 and
Fm chip 14 connects, and the wire loop for being formed by least one of frequency modulation(PFM) coil and Wireless charging coil accesses
Fm chip, fm chip passes through wire loop receipt signal.
By above-described embodiment, control circuit is connected with frequency modulation(PFM) coil, Wireless charging coil and fm chip respectively,
Fm chip is accessed with the wire loop that will be formed by least one of frequency modulation(PFM) coil and Wireless charging coil, fm chip leads to
Cross wire loop receipt signal, during fm function in using terminal, earphone need not be inserted, can be expanded by Wireless charging coil
Exhibition antenna, thus solving in correlation technique, using convenience poor technical problem during fm function on mobile phone it is achieved that carrying
The convenience of high fm function and the technique effect improving Consumer's Experience.
Alternatively, in the terminal that can apply to possess wireless charging function of above-mentioned antenna module, such as mobile phone, flat board,
The terminals such as mid, pda, but not limited to this.
In the above-described embodiments, using the induction coil of wireless charging and at this induction coil (i.e. Wireless charging coil)
On the basis of increase additional coils (i.e. frequency modulation(PFM) coil), both assume spiral cloth around the coil of formation is long, can be very
Good serves as fm antenna, user when using fm, when playing fm especially with loudspeaker, as long as opening fm function it is not necessary to insert
Enter earphone, as common fm radio, substantially improve Consumer's Experience.It is used as using Wireless charging coil plus additional coils
Fm antenna, can solve the technical problem mentioned in background technology.
In addition, when mobile phone is in wireless charging, wireless work(is received using original coil (i.e. frequency modulation(PFM) coil)
Rate；When broadcast listening, two coils are connected, increase the length of coil, so improve the quality of fm receipt signal；If
When original coil (i.e. frequency modulation(PFM) coil) breaks down, also can realize answering of broadcast by Wireless charging coil, mainly lead to
Cross and a switching switch is installed between frequency modulation(PFM) coil and Wireless charging coil to realize.
With reference to Fig. 2 and Fig. 3 detailed description embodiments herein:
Control circuit in above-described embodiment includes: on-off circuit, respectively with frequency modulation(PFM) coil, Wireless charging coil with
And fm chip connects, on-off circuit is used for for wire loop accessing fm chip；Controller cpu, is connected with on-off circuit, controller
For controlling the connection status of frequency modulation(PFM) coil and Wireless charging coil by on-off circuit.
Above-mentioned controller is application controller (application controller).
It should be noted that what wireless charging operation coil and additional coils to be constituted in a spiral form, if with one end
Low-noise amplifier (low noise amplifier, the abbreviation lna) end of contact fm chip, one end is freely placed, just as general
Logical draws high antenna.Fm broadcast singal can be sensed, then by follow-up frequency-selecting device, select fm frequency band signals.For reality
Existing wireless charging operation coil and frequency modulation(PFM) coil connect, and the first end of frequency modulation(PFM) coil are formed with on-off circuit even
The the first contact a connecing, the second end of frequency modulation(PFM) coil is formed with the second contact b being connected with fm chip, wireless charging electric wire
It is formed with, in the first end of circle, the 3rd contact c being connected with on-off circuit, the second end of Wireless charging coil is formed with and opens
Close the 4th contact d that circuit connects, such that it is able to connect two antennas by contact.Two antenna Pastings are in battery of mobile phone
The inner side of lid.
Alternatively, on-off circuit includes: first switch k1, the first end of first switch and the first contact portion, and first opens
The second end closed and the 4th contact portion, the 3rd end of first switch is connected with controller, and first switch is used for controlling first to touch
Point and the connection status of the 4th contact；Second switch k2, the first end of second switch and the 3rd contact portion, the of second switch
Two ends and the first contact portion, the 3rd end of second switch is connected with fm chip, and the 4th end of second switch is connected with controller,
Second switch is used for controlling the connection status of the 3rd contact and fm chip, or for controlling the connection shape of the first contact and fm chip
State.
Alternatively, on-off circuit also includes: the 3rd switch k3, the first end of the 3rd switch and the 3rd contact portion, and the 3rd
Second end of switch is connected with wireless charging module 31, and the 3rd end of the 3rd switch is connected with controller, and the 3rd switchs for controlling
Make the connection status of the 3rd contact and wireless charging module；4th switch k4, the first end of the 4th switch and the 4th contact portion,
Second end of the 4th switch is connected with wireless charging module, and the 4th the 3rd end switching is connected with controller, and the 4th switchs and be used for
Control the connection status of the 4th contact and wireless charging module.
Above-mentioned first switch, second switch, the 3rd switch and the 4th switch as analog switch.
Wireless charging coil uses in wireless charging under normal circumstances, and frequency modulation(PFM) coil is as the composition portion of fm antenna
Point；When fm works, coupled together by the shell fragment on pcb plate between contact a and contact d, contact b passes through on shell fragment and pcb
Fm chip internal lna path connects, and the pcb shell fragment that contact c is connected is hanging.The winding spacing of antenna 2 is less and is wound around the number of turns
More.Ensure that the length of antenna.
By above-described embodiment, using the antenna module of the application, can avoid bringing use using earphone as antenna
Inconvenience, improves Consumer's Experience；It is applied to when there is the mobile phone of hifi function, the crosstalk of head circuit can be improved
Can, lift tonequality.
Embodiment 2
A kind of terminal is additionally provided in this utility model embodiment.
In the terminal, main inclusion frequency modulation(PFM) coil, Wireless charging coil, control circuit and fm chip, each group
The function of one-tenth part describes in detail in embodiment 1, will not be described here.
Above-mentioned terminal is the terminal with wireless charging function, predominantly mobile terminal, such as mobile phone, flat board etc..
In the terminal, control circuit is connected with frequency modulation(PFM) coil, Wireless charging coil and fm chip respectively, will
Fm chip is accessed by the wire loop that at least one of frequency modulation(PFM) coil and Wireless charging coil are formed, fm chip passes through line
Circle loop receipt signal, during fm function in using terminal, need not insert earphone, can extend sky by Wireless charging coil
Line, thus solving in correlation technique, using convenience poor technical problem during fm function on mobile phone it is achieved that improving fm
The convenience of function and the technique effect improving Consumer's Experience.
Alternatively, the frequency modulation(PFM) coil in fm antenna module and Wireless charging coil are arranged on the cell rear cover of terminal
On.
Adopt in this way, can avoid bringing as antenna using earphone and use inconvenience, improve Consumer's Experience；Will
The crosstalk performance of head circuit when it is applied to the mobile phone with hifi function, can be improved, lift tonequality.
Above-mentioned this utility model embodiment sequence number is for illustration only, does not represent the quality of embodiment.
In above-described embodiment of the present utility model, the description to each embodiment all emphasizes particularly on different fields, in certain embodiment
There is no the part describing in detail, may refer to the associated description of other embodiment.
The claimed antenna module of this utility model and each ingredient constituting this antenna module are all a kind of
There are the entity products determining shape, constructing and occupy certain space.For example, frequency modulation(PFM) coil, Wireless charging coil, control
Circuit, fm chip, on-off circuit etc. are all electronic equipment, the electronic devices that with independent operating, can have particular hardware structure.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of fm antenna module is it is characterised in that include:
Frequency modulation(PFM) coil and Wireless charging coil；
Control circuit and fm chip, described control circuit respectively with described frequency modulation(PFM) coil, described Wireless charging coil and
Described fm chip connects, for the line that will be formed by least one of described frequency modulation(PFM) coil and described Wireless charging coil
Described fm chip is accessed in circle loop, and described fm chip is by described wire loop receipt signal.
2. antenna module according to claim 1 is it is characterised in that described control circuit includes:
On-off circuit, is connected with described frequency modulation(PFM) coil, described Wireless charging coil and described fm chip respectively, described opens
Close circuit to be used for for described wire loop accessing described fm chip；
Controller, is connected with described on-off circuit, and described controller is used for controlling described frequency modulation(PFM) by described on-off circuit
Coil and the connection status of described Wireless charging coil.
3. antenna module according to claim 2 is it is characterised in that be formed with the first end of described frequency modulation(PFM) coil
The first contact being connected with described on-off circuit, the second end of described frequency modulation(PFM) coil is formed with and is connected with described fm chip
The second contact, the first end of described Wireless charging coil is formed with the 3rd contact being connected with described on-off circuit, described
The 4th contact being connected with described on-off circuit is formed with the second end of Wireless charging coil.
4. antenna module according to claim 3 is it is characterised in that described on-off circuit includes:
First switch, the first end of described first switch and described first contact portion, the second end of described first switch and institute
State the 4th contact portion, the 3rd end of described first switch is connected with described controller, described first switch is used for controlling described
First contact and the connection status of described 4th contact；
Second switch, the first end of described second switch and described 3rd contact portion, the second end of described second switch and institute
State the first contact portion, the 3rd end of described second switch is connected with described fm chip, the 4th end of described second switch and institute
State controller to connect, described second switch is used for controlling the connection status of described 3rd contact and described fm chip, or is used for controlling
Make described first contact and the connection status of described fm chip.
5. antenna module according to claim 4 is it is characterised in that described first switch and described second switch are simulation
Switch.
6. antenna module according to claim 4 is it is characterised in that described on-off circuit also includes:
3rd switch, first end and described 3rd contact portion of described 3rd switch, the second end of described 3rd switch with no
Line charging module connects, and the 3rd end of described 3rd switch is connected with described controller, and the described 3rd switchs for described in controlling
3rd contact and the connection status of described wireless charging module；
4th switch, first end and described 4th contact portion of described 4th switch, the second end of described 4th switch with no
Line charging module connects, and the 3rd end of described 4th switch is connected with described controller, and the described 4th switchs for control
Described 4th contact and the connection status of described wireless charging module.
7. antenna module according to claim 6 is it is characterised in that described 3rd switch and the described 4th switchs as simulation
Switch.
8. antenna module according to claim 2 is it is characterised in that described controller is application controller.
9. a kind of terminal is it is characterised in that described terminal includes the fm antenna module described in any one in claim 1 to 8.
10. terminal according to claim 9 is it is characterised in that frequency modulation(PFM) coil in described fm antenna module and no
Line charge coil is arranged on the cell rear cover of described terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697368.2U CN205921090U (en) | 2016-07-04 | 2016-07-04 | FM antenna module and terminal |
| PCT/CN2016/094399 WO2018006465A1 (en) | 2016-07-04 | 2016-08-10 | Fm antenna assembly and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697368.2U CN205921090U (en) | 2016-07-04 | 2016-07-04 | FM antenna module and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205921090U true CN205921090U (en) | 2017-02-01 |
Family
ID=57874989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620697368.2U Active CN205921090U (en) | 2016-07-04 | 2016-07-04 | FM antenna module and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205921090U (en) |
| WO (1) | WO2018006465A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037437A1 (en) * | 2022-08-17 | 2024-02-22 | 维沃移动通信有限公司 | Wearable device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2493010A1 (en) * | 2011-02-28 | 2012-08-29 | Laird Technologies AB | An antenna arrangement and a portable radio communication device comprising such an antenna arrangement |
| CN202308282U (en) * | 2011-08-15 | 2012-07-04 | 中兴通讯股份有限公司 | Near field communication (NFC) and frequency modulation (FM) common antenna |
| CN105337028A (en) * | 2014-07-31 | 2016-02-17 | 展讯通信（上海）有限公司 | Antenna system |
| CN204991945U (en) * | 2015-07-16 | 2016-01-20 | 西安中兴新软件有限责任公司 | Antenna structure and mobile terminal |
-
2016
- 2016-07-04 CN CN201620697368.2U patent/CN205921090U/en active Active
- 2016-08-10 WO PCT/CN2016/094399 patent/WO2018006465A1/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037437A1 (en) * | 2022-08-17 | 2024-02-22 | 维沃移动通信有限公司 | Wearable device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018006465A1 (en) | 2018-01-11 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |