CN108390162A - A kind of antenna assembly and terminal - Google Patents

A kind of antenna assembly and terminal Download PDF

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Publication number
CN108390162A
CN108390162A CN201810024932.8A CN201810024932A CN108390162A CN 108390162 A CN108390162 A CN 108390162A CN 201810024932 A CN201810024932 A CN 201810024932A CN 108390162 A CN108390162 A CN 108390162A
Authority
CN
China
Prior art keywords
antenna
accesses
signal
gps
main
Prior art date
Application number
CN201810024932.8A
Other languages
Chinese (zh)
Inventor
张生
李乐乐
Original Assignee
捷开通讯(深圳)有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 捷开通讯(深圳)有限公司 filed Critical 捷开通讯(深圳)有限公司
Priority to CN201810024932.8A priority Critical patent/CN108390162A/en
Publication of CN108390162A publication Critical patent/CN108390162A/en

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00Antennas with active circuits or circuit elements integrated within them or attached to them
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2258Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526Electromagnetic shields

Abstract

The invention discloses a kind of antenna assembly and terminal, antenna assembly includes first antenna, GPS accesses, DPDT accesses and withdrawal device, wherein first antenna is for receiving or emitting main radiofrequency signal, or reception GPS signal;GPS accesses are electrically connected with first antenna, for receiving GPS signal;DPDT accesses, are electrically connected with first antenna, are used for transmission main radiofrequency signal;Withdrawal device is set between first antenna and GPS accesses, DPDT accesses, for GPS accesses and the DPDT accesses to be isolated.Influence the invention enables main radiofrequency signal to GPS signal greatly reduces;First antenna is used as diversity antenna and GPS antenna simultaneously simultaneously, realizes and receives or emit main radiofrequency signal, or receives the function of GPS signal, simplifies antenna setting, reduces hardware cost.

Description

A kind of antenna assembly and terminal

Technical field

The present invention relates to antenna technical field, more particularly to a kind of antenna assembly and terminal.

Background technology

GPS (Global Positioning System, global positioning system) is widely used to mobile phone, tablet computer Etc. terminals navigation.Since GPS sensitivity is higher, it is highly susceptible to the interference of radiofrequency signal, such as LCD (Liquid Crystal Display, liquid crystal display) bright screen when flexible PCB or drive integrated circult radiation interference, GSM1800/ The main wave radiation interference of WB2, the interference of B13/14 second harmonics etc., can all cause the sensitivity of GPS to decline (De-sense).

Present inventor has found that terminal holds main collection day when main collection antenna in order to make up at present in long-term research and development The case where line receptivity is deteriorated, is usually added into TAS (smart antenna handoff technique), that is, passes through DPDT (Double Pole Double Throw, double-point double-throw switch) access switching antenna connection, therefore terminal need simultaneously be laid out main collection antenna, divide Collect antenna and GPS antenna.And the isolation of diversity antenna and GPS antenna is insufficient, just easily when diversity antenna is as transmitting terminal Influence the receptivity of GPS antenna.If by GPS accesses front end plus groove, fixed frequency range in the main radio frequency that can only decay Energy, the energy for the entire main radio frequency that cannot completely decay.

Invention content

A kind of antenna assembly of present invention offer and terminal are vulnerable to main radiofrequency signal to solve GPS antenna in the prior art Interference, caused by GPS sensitivity decline the technical issues of.

In order to solve the above technical problems, one aspect of the present invention is to provide a kind of antenna assembly, including:

First antenna, for receiving or emitting main radiofrequency signal, or reception GPS signal;

GPS accesses are electrically connected with the first antenna, for receiving the GPS signal;

DPDT accesses are electrically connected with the first antenna, are used for transmission the main radiofrequency signal;

Withdrawal device is set between the first antenna and the GPS accesses, the DPDT accesses, described for being isolated GPS accesses and the DPDT accesses.

In order to solve the above technical problems, another technical solution used in the present invention is to provide a kind of terminal, including it is above-mentioned Antenna assembly.

The present invention by the way that withdrawal device is arranged between first antenna and GPS accesses, DPDT accesses, be isolated GPS accesses and DPDT accesses so that influence of the main radiofrequency signal to GPS signal greatly reduces;Simultaneously first antenna simultaneously as diversity antenna and GPS antenna is realized and receives or emit main radiofrequency signal, or receives the function of GPS signal, simplifies antenna setting, reduce hardware at This.

Description of the drawings

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing, wherein:

Fig. 1 is the structural schematic diagram of one embodiment of inventive antenna device;

Fig. 2 is the structural schematic diagram of another embodiment of inventive antenna device;

Fig. 3 is the structural schematic diagram of terminal embodiment of the present invention.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment belongs to the scope of protection of the invention.

Referring to Fig. 1, one embodiment of inventive antenna device include first antenna 101, withdrawal device 102, GPS accesses 103, DPDT accesses 104, the second antenna 105, diversity signal access 106 and main collection signal path 107.Wherein, first antenna 101 is used for Main radiofrequency signal is received or emitted, or receives GPS signal;GPS accesses 103 are electrically connected with first antenna 101, for receiving GPS Signal;DPDT accesses 104 are electrically connected with first antenna 101, are used for transmission main radiofrequency signal;Withdrawal device 102 is set to first day Between line 101 and GPS accesses 103, DPDT accesses 104, for GPS accesses 103 and DPDT accesses 104 to be isolated;Second antenna 105 It is electrically connected with DPDT accesses 104, for receiving or emitting main radiofrequency signal;Diversity signal access 106 and DPDT accesses 104 are electrically connected It connects, for receiving main radiofrequency signal;Main collection signal path 107 is electrically connected with DPDT accesses 104, for receiving or sending main radio frequency Signal.

In the present embodiment, first antenna 101 is used as diversity antenna and GPS antenna simultaneously, saves original GPS antenna; Collect antenna based on second antenna 105.

Specifically, withdrawal device 102 includes signal input port 1021, GPS output ports 1022 and the output of main radiofrequency signal Port 1023, signal input port 1021 are electrically connected with first antenna 101, and GPS output ports 1022 and GPS accesses 103 are electrically connected It connects, main RF signal output mouth 1023 is electrically connected with DPDT accesses 104.

When first antenna 101 and 105 received signal strength of the second antenna are in normal value, DPDT accesses 104 are without cutting Change the connection of withdrawal device 102, the second antenna 105 respectively with diversity signal access 106, main collection signal path 107.Diversity signal is logical Road 106 is electrically connected by DPDT accesses 104 and withdrawal device 102 with first antenna 101, and withdrawal device 102 is closed at this time, withdrawal device 102 for as conducting wire electrical connection first antenna 101 and diversity signal access 106, main collection signal path 107 to pass through DPDT accesses 104 are electrically connected with the second antenna 105.First antenna 101 receives main radiofrequency signal, is sent out by withdrawal device 102 and DPDT accesses 104 It send to diversity signal access 106;First antenna 101 receives GPS signal, and GPS accesses 103 are sent to by withdrawal device 102;Second Antenna 105 receives main radiofrequency signal, and main collection signal path 107 is sent to by DPDT accesses 104;Main collection signal path 107 is logical It crosses DPDT accesses 104 and sends main radiofrequency signal to the second antenna 105, the second antenna 105 is by main emission of radio frequency signals to the external world.

When the second antenna 105 is blocked so that the second antenna 105 receives the intensity value of signal and first antenna 101 receives The intensity value of signal is more than or equal to 10dB, i.e. first antenna 101 receives the reception signal of the-the second antenna of intensity value 105 of signal When intensity value >=10dB, DPDT accesses 104 switch withdrawal device 102, the second antenna 105 respectively with diversity signal access 106, main collection The connection of signal path 107.Diversity signal access 106 is electrically connected by DPDT accesses 104 with the second antenna 105, main collection signal Access 107 is electrically connected by DPDT accesses 104 and withdrawal device 102 with first antenna 101.First antenna 101 receives main radio frequency letter Number, main collection signal path 107 is sent to by withdrawal device 102 and DPDT accesses 104;First antenna 101 receives GPS signal, leads to It crosses withdrawal device 102 and is sent to GPS accesses 103;Main collection signal path 107 sends master by DPDT accesses 104 and withdrawal device 102 and penetrates Frequency signal is to first antenna 101, and first antenna 101 is by main emission of radio frequency signals to the external world;Second antenna 105 receives main radio frequency letter Number, diversity signal access 106 is sent to by DPDT accesses 104.Withdrawal device 102 is opened at this time so that main collection signal path 107 It is sent to the main radiofrequency signal of main RF signal output mouth 1023 by DPDT accesses 104, is radiated to GPS output ports 1022 When decay, GPS accesses 103 and DPDT accesses 104 is isolated.Such as switch when intermediate frequency is not involved in TAS, B5 in main radiofrequency signal (Bands 5, the 5th frequency range) although, frequency of the frequency from GPS signal of B7, B8, B12, B13, B20, B28 farther out, it is main The power of radiofrequency signal is larger, still can some power leakage as main radiofrequency signal is radiated to the direction of GPS accesses 103 Onto the frequency of GPS signal, GPS signal is impacted;Switch when intermediate frequency participates in TAS, B1, B2, B3, B4 in dominant frequency signal Frequency influences bigger to GPS signal, therefore GPS accesses 103 and DPDT accesses 104 is isolated by withdrawal device 102 so that main radio frequency Signal radiation is greatly reduced to power when GPS accesses 103, alleviates the influence to GPS signal.

In the present embodiment, the main radiofrequency signal of main RF signal output mouth 1023 is radiated to GPS output ports 1022 When attenuation be more than or equal to 35dB, such as 35dB, 40dB or 45dB.

The embodiment of the present invention between first antenna and GPS accesses, DPDT accesses by being arranged withdrawal device, GPS is isolated Access and DPDT accesses so that influence of the main radiofrequency signal to GPS signal greatly reduces;First antenna is used as diversity simultaneously simultaneously Antenna and GPS antenna are realized and receive or emit main radiofrequency signal, or receive the function of GPS signal, simplify antenna setting, reduce Hardware cost.

Referring to Fig. 2, another embodiment of inventive antenna device include first antenna 201, withdrawal device 202, GPS accesses 203, DPDT accesses 204, the second antenna 205, diversity signal access 206, main collection signal path 207 and partition board 208.Wherein, first day Line 201 is for receiving or emitting main radiofrequency signal, or reception GPS signal;GPS accesses 203 are electrically connected with first antenna 201, are used In reception GPS signal;DPDT accesses 204 are electrically connected with first antenna 201, are used for transmission main radiofrequency signal;Withdrawal device 202 is arranged Between first antenna 201 and GPS accesses 203, DPDT accesses 204, for GPS accesses 203 and DPDT accesses 204 to be isolated;The Two antennas 205 are electrically connected with DPDT accesses 204, for receiving or emitting main radiofrequency signal;Diversity signal access 206 and DPDT is logical Road 204 is electrically connected, for receiving main radiofrequency signal;Main collection signal path 207 is electrically connected with DPDT accesses 204, for receive or Send main radiofrequency signal;Partition board 208 is set between GPS accesses 203 and main collection signal path 207, for GPS accesses to be isolated 203 and main collection signal path 207.

Specifically, when the second antenna 205 is blocked so that the second antenna 205 receives the intensity value and first antenna of signal 201 intensity values for receiving signal are more than or equal to 10dB, i.e. first antenna 201 receives the reception of the-the second antenna of intensity value 205 of signal When intensity value >=10dB of signal, DPDT accesses 204 switch withdrawal device 202, the second antenna 205 respectively with diversity signal access 206, the connection of main collection signal path 207.Diversity signal access 206 is electrically connected by DPDT accesses 204 with the second antenna 205, Main collection signal path 207 is electrically connected by DPDT accesses 204 and withdrawal device 202 with first antenna 201, and withdrawal device 202 is opened at this time It opens so that the main radiofrequency signal of DPDT accesses 204 decays when being radiated to GPS accesses 203, logical GPS accesses 203 and DPDT is isolated Road 204.In the present embodiment, power amplifier is set in main collection signal path 207, power amplifier itself will produce strong spoke It penetrates, when the hypotelorism that GPS accesses 203 are arranged with main collection signal path 207, main radiofrequency signal can still influence GPS signal, because This, by the way that partition board 208 is arranged so that GPS accesses 203 and main collection signal path 207 is isolated.

The embodiment of the present invention between first antenna and GPS accesses, DPDT accesses by being arranged withdrawal device, GPS is isolated Access and DPDT accesses so that influence of the main radiofrequency signal to GPS signal greatly reduces;First antenna is used as diversity simultaneously simultaneously Antenna and GPS antenna are realized and receive or emit main radiofrequency signal, or receive the function of GPS signal, simplify antenna setting, reduce Hardware cost.

Referring to Fig. 3, terminal embodiment of the present invention includes antenna assembly 300, specifically, the structure of antenna assembly 300 referring to Said antenna device embodiment, details are not described herein.

The embodiment of the present invention between first antenna and GPS accesses, DPDT accesses by being arranged withdrawal device, GPS is isolated Access and DPDT accesses so that influence of the main radiofrequency signal to GPS signal greatly reduces;First antenna is used as diversity simultaneously simultaneously Antenna and GPS antenna are realized and receive or emit main radiofrequency signal, or receive the function of GPS signal, simplify antenna setting, reduce Hardware cost.

Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other Technical field is included within the scope of the present invention.

Claims (10)

1. a kind of antenna assembly, which is characterized in that including:
First antenna, for receiving or emitting main radiofrequency signal, or reception GPS signal;
GPS accesses are electrically connected with the first antenna, for receiving the GPS signal;
DPDT accesses are electrically connected with the first antenna, are used for transmission the main radiofrequency signal;
Withdrawal device is set between the first antenna and the GPS accesses, the DPDT accesses, logical for the GPS to be isolated Road and the DPDT accesses.
2. antenna assembly according to claim 1, which is characterized in that the antenna assembly further includes:
Second antenna is electrically connected with the DPDT accesses, for receiving or emitting the main radiofrequency signal;
Diversity signal access is electrically connected with the DPDT accesses, for receiving the main radiofrequency signal;
Main collection signal path is electrically connected with the DPDT accesses, for receiving or sending the main radiofrequency signal.
3. antenna assembly according to claim 2, which is characterized in that
The withdrawal device includes signal input port, GPS output ports and main RF signal output mouth, the signal input part Mouth is electrically connected with the first antenna, and the GPS output ports are electrically connected with the GPS accesses, the main radiofrequency signal output Port is electrically connected with the DPDT accesses.
4. antenna assembly according to claim 3, which is characterized in that
The DPDT accesses be additionally operable to switch the withdrawal device, second antenna respectively with the diversity signal access, described The connection of main collection signal path.
5. antenna assembly according to claim 4, which is characterized in that
When the first antenna and the second antenna received signal strength are in normal value, the diversity signal access passes through The DPDT accesses and the withdrawal device are electrically connected with the first antenna, and the main collection signal path passes through the DPDT accesses It is electrically connected with second antenna;When the intensity value of second antenna reception signal and the first antenna receive the strong of signal When angle value is more than or equal to 10dB, the diversity signal access is electrically connected by the DPDT accesses with second antenna, described Main collection signal path is electrically connected by the DPDT accesses and the withdrawal device with the first antenna.
6. antenna assembly according to claim 5, which is characterized in that
When the diversity signal access is electrically connected by the DPDT accesses and the withdrawal device with the first antenna, the pumping Device is taken to close, the withdrawal device is used to be electrically connected the first antenna and the diversity signal access as conducting wire;As the master When collection signal path is electrically connected by the DPDT accesses and the withdrawal device with the first antenna, the withdrawal device is opened, So that the main radiofrequency signal of the main RF signal output mouth decays when being radiated to the GPS output ports, with isolation The GPS accesses and the DPDT accesses.
7. antenna assembly according to claim 6, which is characterized in that
When the main radiofrequency signal of the main RF signal output mouth is radiated to the GPS output ports attenuation be more than etc. In 35dB.
8. antenna assembly according to claim 2, which is characterized in that
The first antenna is used as diversity antenna and GPS antenna simultaneously, collects antenna based on second antenna.
9. antenna assembly according to claim 2, which is characterized in that the antenna assembly further includes partition board, is set to institute It states between GPS accesses and the main collection signal path, for the GPS accesses and the main collection signal path to be isolated.
10. a kind of terminal, which is characterized in that including claim 1 to 9 any one of them antenna assembly.
CN201810024932.8A 2018-01-10 2018-01-10 A kind of antenna assembly and terminal CN108390162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810024932.8A CN108390162A (en) 2018-01-10 2018-01-10 A kind of antenna assembly and terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810024932.8A CN108390162A (en) 2018-01-10 2018-01-10 A kind of antenna assembly and terminal

Publications (1)

Publication Number Publication Date
CN108390162A true CN108390162A (en) 2018-08-10

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CN201810024932.8A CN108390162A (en) 2018-01-10 2018-01-10 A kind of antenna assembly and terminal

Country Status (1)

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CN (1) CN108390162A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103401577A (en) * 2013-07-12 2013-11-20 惠州Tcl移动通信有限公司 Antenna switching system of mobile terminal
US20140105079A1 (en) * 2012-10-11 2014-04-17 Sony Mobile Communications Ab Dual swapping switches to meet linearity demands of carrier aggregation
CN105099476A (en) * 2015-07-20 2015-11-25 联想(北京)有限公司 Electronic device and signal processing method thereof
CN105634569A (en) * 2015-12-31 2016-06-01 宇龙计算机通信科技(深圳)有限公司 Control circuit and terminal achieving carrier aggregation and WIFI double-frequency MIMO
CN106209154A (en) * 2016-07-01 2016-12-07 乐视控股(北京)有限公司 Antenna assembly and major-minor collection antenna-switching device thereof and method
CN107069216A (en) * 2017-02-27 2017-08-18 维沃移动通信有限公司 A kind of antenna structure, mobile terminal and method of controlling antenna
US20170365914A1 (en) * 2016-06-16 2017-12-21 Samsung Electronics Co., Ltd. Antenna and electronic device including the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140105079A1 (en) * 2012-10-11 2014-04-17 Sony Mobile Communications Ab Dual swapping switches to meet linearity demands of carrier aggregation
CN103401577A (en) * 2013-07-12 2013-11-20 惠州Tcl移动通信有限公司 Antenna switching system of mobile terminal
CN105099476A (en) * 2015-07-20 2015-11-25 联想(北京)有限公司 Electronic device and signal processing method thereof
CN105634569A (en) * 2015-12-31 2016-06-01 宇龙计算机通信科技(深圳)有限公司 Control circuit and terminal achieving carrier aggregation and WIFI double-frequency MIMO
US20170365914A1 (en) * 2016-06-16 2017-12-21 Samsung Electronics Co., Ltd. Antenna and electronic device including the same
CN106209154A (en) * 2016-07-01 2016-12-07 乐视控股(北京)有限公司 Antenna assembly and major-minor collection antenna-switching device thereof and method
CN107069216A (en) * 2017-02-27 2017-08-18 维沃移动通信有限公司 A kind of antenna structure, mobile terminal and method of controlling antenna

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