CN203103497U - Multi-frequency multiplexing antenna and mobile terminal employing same - Google Patents

Multi-frequency multiplexing antenna and mobile terminal employing same Download PDF

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Publication number
CN203103497U
CN203103497U CN2012207351096U CN201220735109U CN203103497U CN 203103497 U CN203103497 U CN 203103497U CN 2012207351096 U CN2012207351096 U CN 2012207351096U CN 201220735109 U CN201220735109 U CN 201220735109U CN 203103497 U CN203103497 U CN 203103497U
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China
Prior art keywords
filter
antenna
frequency
multifrequency
antenna conductor
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Expired - Fee Related
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CN2012207351096U
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Chinese (zh)
Inventor
郑权彬
王亮
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Beijing soft wealth technology Invest-holding Company
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CELLON COMMUNICATION TECHNOLOGY (SHENZHEN) CO LTD
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Abstract

The utility model discloses a multi-frequency multiplexing antenna and a mobile terminal employing the same. The multi-frequency multiplexing antenna comprises more than one antenna conductor and more than one filter, wherein the antenna conductors are successively connected to form an antenna radiator, and one filter is arranged between the adjacent antenna conductors; the antenna conductors form a resonant antenna with more than two frequencies; and the filter is preferably a band pass filter or band stop filter. Via the multi-frequency multiplexing antenna, the same radiator can be flexibly utilized according to resonant lengths of frequencies, so that antenna design is flexible, and utilization efficiency of hardware is high. The multi-frequency multiplexing antenna is employed in the mobile terminal, so that a multi-frequency antenna with a common radiator can be designed under the condition that terminal space is small and antennae is diverse, and even a metal end of a side button can be fully utilized to increase wound length of the antenna, thereby satisfying radiation resonance of low frequency signals.

Description

A kind of multifrequency multiplex antenna and use the portable terminal of this multifrequency multiplex antenna
Technical field
The utility model relates to electronic device field, relates in particular to the electric terminal equipment antenna.
Background technology
Along with the continuous development of society, people increase day by day to the dependence of mobile communication; The function of mobile communication also becomes more diverse, the intelligence mobile device is not only wanted and can be conversed, and functions such as WIFI wireless Internet access, BLUETOOTH bluetooth communication, gps satellite location navigation, FM broadcast receiver, NFC close range wireless communication, RFID wireless identification, wireless charging, the interconnected access of WIMAX microwave also will be arranged; In order to improve signal quality, adopt the MRD rake in addition simultaneously; And for the compatibility of different communication modes such as GSM, WCDMA, CDMA, TD-SCDMA, LTE, for the antenna variation of portable terminal has proposed requirement; To more disadvantageously portable terminal miniaturization day by day of design, slimming, this makes that the inner space of portable terminal is littler.
A plurality of antennas are often adopted in existing design, and many combination of antennas frequency interval of employing is nearer, can not adapt to present design requirement.
The utility model content
In view of this, be necessary, a kind of multifrequency multiplex antenna be provided and use the portable terminal of this multifrequency multiplex antenna at the problems referred to above.
The utility model is by the following technical solutions:
A kind of multifrequency multiplex antenna is used for electronic equipment, comprises an above antenna conductor, an above filter; A described above antenna conductor connects and composes an antenna radiator successively, is provided with filter between the described adjacent antenna conductor; Described more than one antenna conductor constitutes two resonant antennas with upper frequency; Described filter is preferably band pass filter or band stop filter.
In the such scheme, described frequency is GSM, WCDMA, CDMA, TD-SCDMA, LTE, WIFI, BLUETOOTH, GPS, FM, NFC, wireless charger, Wireless USB, wherein more than 2 of RFID, WIMAX.
In the such scheme, wherein at least more than one antenna conductor is made of the metal end and the flexible circuit board series connection of the button on the electronic equipment.Button is preferably side press-key.
In the such scheme, be provided with electric capacity between the antenna conductor that the antenna conductor that the metal end of described button and flexible circuit board series connection constitute is adjacent.
In the such scheme, another metal end of described button is connected with filter and seals in the push button signalling to prevent radiofrequency signal.
In the such scheme, described multifrequency multiplex antenna also comprises radio-frequency (RF) switch, and described radio-frequency (RF) switch switches to signal frequency on the described multifrequency multiplex antenna.
The utility model is used the portable terminal of above-mentioned multifrequency multiplex antenna, comprises terminal body, comprises an above antenna conductor, filter, electric capacity, radio-frequency (RF) switch; A described above antenna conductor connects and composes an antenna radiator successively, is provided with filter between the described adjacent antenna conductor; Described filter is band pass filter or band stop filter.
In the such scheme, wherein at least more than one antenna conductor is made of the metal end and the flexible circuit board series connection of the button on the electronic equipment.
In the such scheme, described more than one antenna conductor constitutes and comprises that frequency is the resonant antenna of WIFI, BLUETOOTH, FM, GPS; Described filter is band pass filter or band stop filter; Described filter comprises filter F1, F2, F3, F4, F5, F6, capacitor C 1, C2 that described electric capacity comprises;
Described radio-frequency (RF) switch is a single-pole double-throw switch (SPDT), in order to switch WIFI/BLUETOOTH and FM signal, the common port of described radio-frequency (RF) switch arrives filter F1 through wiring and constitutes a WIFI/BLUETOOTH frequency antenna conductor, described filter F1 is logical FM working frequency range, the filter of resistance WIFI/BLUETOOTH working frequency range;
The other end of described filter F1 series connection FPC is connected to capacitor C 1, and the other end of described capacitor C 1 is connected to the end of a metal end of first side switch of portable terminal; The other end of a metal end of described first side switch is connected to the end of a metal end of second side switch of portable terminal; The other end of a metal end of described second side switch is connected to an end of capacitor C 2, and the other end of described capacitor C 2 is connected to the end of filter F2, constitutes another antenna conductor; Another metal end of first side switch inserts described portable terminal inside through filter F4; Insert described portable terminal inside between being connected of the metal end of the metal end of described first side switch and described second side switch through filter F5; Another metal end of second side switch inserts described portable terminal inside through filter F6; Described filter F4, F5, F6 are for hindering the filter of FM signal;
The other end of filter F2 is connected to the end of filter F3, constitutes the gps antenna conductor, and the other end of described filter F3 is connected to the gps antenna port; Described filter F2 is that gps signal becomes high impedance, and the FM signal is become low-impedance filter; Described F3 filter is logical gps signal, the filter of resistance FM signal;
Above-mentioned three antenna conductors constitute the FM frequency antenna.
The beneficial effects of the utility model are: adopt above-mentioned multifrequency multiplex antenna, can make Antenna Design flexible, hardware utilization ratio height according to the same radiant body of resonance length flexible utilization of frequency; In portable terminal, adopt above-mentioned multifrequency multiplex antenna, make under the many unfavorable design condition of, antenna system little in the terminal space, can design the multifrequency antenna of a shared radiant body, even the metal that can make full use of the side button brings in and increases the antenna length that detours, and satisfies the radiation resonance of low frequency signal.
Description of drawings
Fig. 1 is the schematic diagram of multifrequency multiplex antenna;
Fig. 2 adopts the schematic diagram of multifrequency multiplex antenna for portable terminal.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is further detailed.
In Fig. 1, the multifrequency multiplex antenna comprises one to N(N for greater than 1 natural number) individual antenna conductor, an above filter; Antenna conductor connects and composes an antenna radiator successively, is provided with filter between the adjacent antenna conductor; Antenna conductor constitutes two resonant antennas with upper frequency; Filter is band pass filter or band stop filter, throw radio-frequency (RF) switch by hilted broadsword is sent to required frequency signal on the antenna more, F1, F2, F3 ... F (N+M) is logical or band stop filter for band, different according to frequency and resonance length are with the antenna of the corresponding corresponding resonance length of signal of corresponding frequencies; F1 ... F (N+M) is designed to logical required frequency, resistance does not need frequency, make the corresponding frequencies signal can match on the antenna of corresponding resonance length, so just as long as a radiant body, be divided into a plurality of antenna conductors of different resonance lengths by filter, make that multifrequency signal can a shared radiant body, its frequency range can reach more than 10 times.
Figure 2 shows that the portable terminal schematic diagram of using the multifrequency multiplex antenna, portable terminal comprises the terminal body (not shown), comprises three antenna conductors, filter, electric capacity, radio-frequency (RF) switch; Three antenna conductors connect and compose an antenna radiator successively, are provided with filter between the adjacent antenna conductor; Filter is band pass filter or band stop filter.
Radio-frequency (RF) switch is a single-pole double-throw switch (SPDT), in order to switch WIFI/BLUETOOTH and FM signal, the common port of radio-frequency (RF) switch arrives filter F1 through wiring and constitutes a WIFI/BLUETOOTH frequency antenna conductor, described filter F1 is logical FM working frequency range, the filter of resistance WIFI/BLUETOOTH working frequency range; Connect radio-frequency (RF) switch after the IC output, when WIFI/BLUETOOTH starts, switch and the conducting of WIFI/BLUETOOTH antenna port, and after the quarter-wave of wiring 2.45GZH, series connection F1 band stop filter, the F1 filter leads to FM working frequency range (88MHZ is to 108MHZ), resistance WIFI/BLUETOOTH working frequency range (2.4GHZ is to 2.5GHZ).
The other end series connection FPC(flexible board of F1 filter) series connection C1 electric capacity, C1 electric capacity is near the side key position, C1 is connected with the side switch outer ring, C1 offside push button signalling is done every straight processing, continue to prolong FPC through C2 and arrive the F2 filter, constitute another antenna conductor, the F2 filter becomes high impedance to GPS (1.574GHZ) signal and FM signal (88MHZ is to 108MHZ) is become Low ESR.
The other end of filter F1 series connection FPC continues to the right to prolong, and is connected to capacitor C 1, and the other end of capacitor C 1 is connected to the end of a metal end of first side switch of portable terminal; C1 is connected with the side switch outer ring, and C1 offside push button signalling is done every straight processing, and the other end of a metal end of first side switch is connected to the end of a metal end of second side switch of portable terminal; The other end of a metal end of second side switch is connected to an end of capacitor C 2, and the other end of capacitor C 2 is connected to the end of filter F2, constitutes another antenna conductor; 3 side switch signals connect respectively F4, F5 and F6 filter, F4, F5 and F6 are high-impedance state in FM signal (88MHZ is to 108MHZ) frequency range, stop the FM leakage signal to the push button signalling line, to be gone, F4, F5 and F6 are near the side key position, C2 does every straight processing and near side switch push button signalling equally and places, and another metal end of first side switch inserts portable terminal inside through filter F4; Insert portable terminal inside between being connected of the metal end of the metal end of first side switch and second side switch through filter F5; Another metal end of second side switch inserts portable terminal inside through filter F6; Filter F4, F5, F6 are for hindering the filter of FM signal.
The other end of filter F2 is connected to the end of filter F3, and 1.574GHZ(GPS working frequency points again connects up) quarter-wave, constitute GPS frequency antenna conductor, arrive the F3 filter by impedance line then, the F3 filter hinders the FM signal for logical gps signal.The F2 filter becomes high impedance to GPS (1.574GHZ) signal and FM signal (88MHZ is to 108MHZ) is become Low ESR.
Connect by above conducting, above-mentioned three antenna conductors constitute the FM frequency antenna, the FM signal from the IC output port to the gps antenna output port, all be FM signal (88MHZ is to 108MHZ) conducting state, parallel connection adds band stop filter (F4, F5 and F6 and F3) and the FM signal is stoped seals in mobile phone internal loss energy.
By WIFI/BLUETOOTH (WIFI is identical with the BLUETOOTH working frequency range) antenna, the link of side switch FPC and gps antenna, and connection each other, form the FM antennas by two circles of the mobile phone that detours about three minutes like this, avoid traditional because bulk is difficult to realize the defective of FM built-in aerial for a short time on mobile phone.And this utility model can realize the multi-frequency multiplex antenna of 10 times of working frequency range differences on an antenna.
The above embodiment has only expressed execution mode of the present utility model, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims (10)

1. a multifrequency multiplex antenna is characterized in that: comprise an above antenna conductor, an above filter; A described above antenna conductor connects and composes an antenna radiator successively, is provided with filter between the described adjacent antenna conductor; Described more than one antenna conductor constitutes two resonant antennas with upper frequency.
2. multifrequency multiplex antenna according to claim 1 is characterized in that: described frequency is GSM, WCDMA, CDMA, TD-SCDMA, LTE, WIFI, BLUETOOTH, GPS, FM, NFC, wireless charger, Wireless USB, wherein more than 2 of RFID, WIMAX.
3. multifrequency multiplex antenna according to claim 1 is characterized in that: described filter is band pass filter or band stop filter.
4. multifrequency multiplex antenna according to claim 2 is characterized in that: wherein at least more than one antenna conductor is made of the metal end and the flexible circuit board series connection of the button on the electronic equipment.
5. multifrequency multiplex antenna according to claim 4 is characterized in that: be provided with electric capacity between the antenna conductor that the antenna conductor that metal end of described button and flexible circuit board series connection constitute is adjacent.
6. multifrequency multiplex antenna according to claim 5 is characterized in that: another metal end of described button is connected with filter.
7. according to the described multifrequency multiplex antenna of the arbitrary claim of claim 1 to 6, it is characterized in that: described multifrequency multiplex antenna also comprises radio-frequency (RF) switch; Described radio-frequency (RF) switch switches to signal frequency on the described multifrequency multiplex antenna.
8. an application rights requires the portable terminal of 1 described multifrequency multiplex antenna, comprises terminal body, it is characterized in that: comprise an above antenna conductor, filter, electric capacity, radio-frequency (RF) switch; A described above antenna conductor connects and composes an antenna radiator successively, is provided with filter between the described adjacent antenna conductor.
9. portable terminal according to claim 8 is characterized in that: wherein at least more than one antenna conductor is made of the metal end and the flexible circuit board series connection of the button on the electronic equipment.
10. portable terminal according to claim 9 is characterized in that: described more than one antenna conductor constitutes and comprises that frequency is the resonant antenna of WIFI, BLUETOOTH, FM, GPS; Described filter is band pass filter or band stop filter; Described filter comprises filter F1, F2, F3, F4, F5, F6, capacitor C 1, C2 that described electric capacity comprises;
Described radio-frequency (RF) switch is a single-pole double-throw switch (SPDT), in order to switch WIFI/BLUETOOTH and FM signal, the common port of described radio-frequency (RF) switch arrives filter F1 through wiring and constitutes a WIFI/BLUETOOTH frequency antenna conductor, described filter F1 is logical FM working frequency range, the filter of resistance WIFI/BLUETOOTH working frequency range;
The other end of described filter F1 series connection FPC is connected to capacitor C 1, and the other end of described capacitor C 1 is connected to the end of a metal end of first side switch of portable terminal; The other end of a metal end of described first side switch is connected to the end of a metal end of second side switch of portable terminal; The other end of a metal end of described second side switch is connected to an end of capacitor C 2, and the other end of described capacitor C 2 is connected to the end of filter F2, constitutes another antenna conductor; Another metal end of first side switch inserts described portable terminal inside through filter F4; Insert described portable terminal inside between being connected of the metal end of the metal end of described first side switch and described second side switch through filter F5; Another metal end of second side switch inserts described portable terminal inside through filter F6; Described filter F4, F5, F6 are for hindering the filter of FM signal;
The other end of filter F2 is connected to the end of filter F3, constitutes the gps antenna conductor, and the other end of described filter F3 is connected to the gps antenna port; Described filter F2 is that gps signal becomes high impedance, and the FM signal is become low-impedance filter; Described F3 filter is logical gps signal, the filter of resistance FM signal;
Above-mentioned three antenna conductors constitute the FM frequency antenna.
CN2012207351096U 2012-12-27 2012-12-27 Multi-frequency multiplexing antenna and mobile terminal employing same Expired - Fee Related CN203103497U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104425885A (en) * 2013-09-06 2015-03-18 华为终端有限公司 Antenna device and mobile terminal
CN105594061A (en) * 2013-10-04 2016-05-18 三星电子株式会社 Antenna device of electronic apparatus
CN106443712A (en) * 2016-09-05 2017-02-22 北京小米移动软件有限公司 Device and system for enhancing navigation signal, mobile terminal and vehicle
CN110635820A (en) * 2019-09-27 2019-12-31 深圳创元智能软件科技有限公司 Circuit with antenna function and key function and Internet of things terminal
CN111106452A (en) * 2019-12-13 2020-05-05 惠州Tcl移动通信有限公司 Antenna array, FPC and electronic equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104425885A (en) * 2013-09-06 2015-03-18 华为终端有限公司 Antenna device and mobile terminal
CN104425885B (en) * 2013-09-06 2018-03-06 华为终端(东莞)有限公司 Antenna assembly and mobile terminal
CN105594061A (en) * 2013-10-04 2016-05-18 三星电子株式会社 Antenna device of electronic apparatus
US10063285B2 (en) 2013-10-04 2018-08-28 Samsung Electronics Co., Ltd. Antenna device of electronic apparatus
CN106443712A (en) * 2016-09-05 2017-02-22 北京小米移动软件有限公司 Device and system for enhancing navigation signal, mobile terminal and vehicle
CN106443712B (en) * 2016-09-05 2019-04-16 北京小米移动软件有限公司 Device, system, mobile terminal and the vehicle of enhanced navigation signal
CN110635820A (en) * 2019-09-27 2019-12-31 深圳创元智能软件科技有限公司 Circuit with antenna function and key function and Internet of things terminal
CN110635820B (en) * 2019-09-27 2021-07-13 深圳创元智能软件科技有限公司 Circuit with antenna function and key function and Internet of things terminal
CN111106452A (en) * 2019-12-13 2020-05-05 惠州Tcl移动通信有限公司 Antenna array, FPC and electronic equipment

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160316

Address after: 100026 Beijing City, Chaoyang District Jintai Road No. 8 Building 2, two floor 2073

Patentee after: Beijing soft wealth technology Invest-holding Company

Address before: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road No. 008 SKYWORTH tower C 11 floor

Patentee before: Cellon Communication Technology (Shenzhen) Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20201227