CN201418108Y - Antenna integrated device and movable terminal using same - Google Patents
Antenna integrated device and movable terminal using same Download PDFInfo
- Publication number
- CN201418108Y CN201418108Y CN2009200717451U CN200920071745U CN201418108Y CN 201418108 Y CN201418108 Y CN 201418108Y CN 2009200717451 U CN2009200717451 U CN 2009200717451U CN 200920071745 U CN200920071745 U CN 200920071745U CN 201418108 Y CN201418108 Y CN 201418108Y
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Abstract
The utility model relates to an antenna integrated device which comprise an external antenna, an internal antenna, a radio frequency switch switching circuit, a radio frequency receiving and transmitting circuit and a base band circuit, wherein the external antenna and the internal antenna are connected to the radio frequency receiving and transmitting circuit through the radio frequency switch switching circuit; the radio frequency switch switching circuit is used for selecting the use of the external antenna or the internal antenna and transmitting a signal received by the corresponding antenna to the radio frequency receiving and transmitting circuit; the mobile phone base band circuit is used for monitoring the strength of a signal received by a current antenna and controlling the radio frequency switch switching circuit to select the internal antenna or the external antenna after the signal strength is calculated.
Description
Technical field
The utility model relates to antenna, the portable terminal that relates in particular to a kind of antenna integrating device and use this device.
Background technology
Using at present the design of built-in aerial in the design of portable terminal widely, is example with the mobile phone, the baseband circuit that its inside is provided with match circuit, radio-frequency (RF) transmit-receive circuit at least and is used to handle mobile phone signal.Match circuit is connected between antenna and the radio-frequency (RF) transmit-receive circuit, is to receive better and transmit for reaching the realization impedance matching that radio-frequency (RF) transmit-receive circuit can be good with antenna, reaching.
The advantage of described built-in aerial is that volume is less, aesthetic in appearance, but some shortcomings are arranged also, the performance that mainly shows as received signal is subjected to the limitation of built-in aerial and dies down, thereby causes user's conversation when use shadow region, building, city and remote districts, vast rural area can produce interrupted phenomenon or even disconnected words phenomenon.
The utility model then provides a kind of new device in order to improve or to solve the above problems.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of improved antenna integrating device, and it can effectively improve the intensity of signal transmitting and receiving.
The technical problems to be solved in the utility model is to provide a kind of portable terminal that uses described antenna integrating device, and it can effectively improve the communication quality of portable terminal.
The utility model solves above-mentioned technical problem by such technical scheme: a kind of antenna integrating device, its substantive distinguishing features are that this device comprises external antenna, built-in aerial, radio-frequency (RF) switch commutation circuit, radio-frequency (RF) transmit-receive circuit and baseband circuit; External antenna and built-in aerial are connected to radio-frequency (RF) transmit-receive circuit by the radio-frequency (RF) switch commutation circuit, and the radio-frequency (RF) switch commutation circuit is used for selecting to use built-in aerial or external antenna, and the signal that respective antenna receives is passed to radio-frequency (RF) transmit-receive circuit; The mobile phone baseband circuit is used to monitor the signal power that current antenna receives, and can control radio-frequency (RF) switch commutation circuit select built-in aerial or external antenna after calculating the signal power.
As a kind of improvement of the present utility model, described device also comprises an external antenna match circuit and built-in aerial match circuit, and external antenna and built-in aerial are connected to the radio-frequency (RF) switch commutation circuit by the match circuit of correspondence respectively.
As a kind of improvement of the present utility model, described device also comprises an external antenna detection module, and it is connected between external antenna and the baseband circuit; This device is used to detect the contraction state of external antenna, and sends corresponding signal to baseband circuit, and baseband circuit is selected antenna according to the signal controlling radio-frequency (RF) switch commutation circuit that receives.
As a kind of improvement of the present utility model, the equivalent electric circuit of described radio-frequency (RF) switch commutation circuit is a single-pole double-throw switch (SPDT).
As a kind of improvement of the present utility model, described device also comprises an electrostatic discharge protective circuit, and it is connected with the radio-frequency (RF) switch commutation circuit.
As a kind of improvement of the present utility model, described external antenna is telescopic telescopic antenna.
A kind of portable terminal that uses described antenna integrating device, wherein, this portable terminal comprises a built-in aerial, external antenna, radio-frequency (RF) switch commutation circuit, radio-frequency (RF) transmit-receive circuit and baseband circuit at least; External antenna and built-in aerial are connected to radio-frequency (RF) transmit-receive circuit by the radio-frequency (RF) switch commutation circuit, and the radio-frequency (RF) switch commutation circuit is used for selecting to use built-in aerial or external antenna, and the signal that respective antenna receives is passed to radio-frequency (RF) transmit-receive circuit; The mobile phone baseband circuit is used to monitor the signal power that current antenna receives, and can control radio-frequency (RF) switch commutation circuit select built-in aerial or external antenna after calculating the signal power.
As a kind of improvement of the present utility model, described portable terminal also comprises an external antenna match circuit and built-in aerial match circuit, and external antenna and built-in aerial are connected to the radio-frequency (RF) switch commutation circuit by the match circuit of correspondence respectively.
As a kind of improvement of the present utility model, described portable terminal also comprises an external antenna detection module, and it is connected between external antenna and the baseband circuit; This module is used to detect the contraction state of external antenna, and sends corresponding signal to baseband circuit, and baseband circuit is selected antenna according to the signal controlling radio-frequency (RF) switch commutation circuit that receives.
As a kind of improvement of the present utility model, described portable terminal also comprises an electrostatic discharge protective circuit, and it is connected with the radio-frequency (RF) switch commutation circuit.
Compared with prior art, the utility model combines the strong characteristics of the received signal of external antenna and characteristic such as be easy to stretch, be integrated in the portable terminal together with built-in aerial, be issued to the function that built-in aerial and external antenna freely switch not influencing the outward appearance situation, make the user when the weak signal area of coverage, can reach the good communication quality.
Description of drawings
Fig. 1 is the system framework figure of the antenna integrating device that provides of the utility model.
Fig. 2 is a circuit specific embodiment of the antenna integrating device that provides of the utility model.
Fig. 3 is the real work flow chart that antenna integrating device that the utility model provides is applied to mobile phone.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
The utility model provides a kind of antenna integrating device, and this device needing can be used in the portable terminal of signal transmitting and receiving, and the utility model is that example describes with the mobile phone.Described antenna integrating device has mainly been taked external antenna and the integrated design of common built-in aerial, its operation principle sees also Fig. 1, this device comprises external antenna 11, built-in aerial 21, external antenna match circuit 13, built-in aerial match circuit 23, radio-frequency (RF) switch commutation circuit 31, radio-frequency (RF) transmit-receive circuit 32, baseband circuit 33 and GPIO (General Purpose Input Output, general I/O) control circuit 35 at least.
Radio frequency parameter is different in the ordinary course of things with built-in aerial 21 owing to external antenna 11, so need two cover match circuits 13 and 23, match circuit 13 and 23 is in order to realize radio-frequency (RF) transmit-receive circuit 32 and antenna 11 and 21 good impedance matchings, respectively with antenna 11 and 21 be tuned to optimum state, receive better and transmit to reach.
Radio-frequency (RF) switch commutation circuit 31 is used for selecting to use built-in aerial 21 or external antenna 11, and the signal that respective antenna receives passed to radio-frequency (RF) transmit-receive circuit 32, wherein mobile phone baseband circuit 33 is used to monitor the signal power that current antenna receives, after calculating the signal power, can select antenna 11 or 21, thereby realize that the user can also can realize the purpose of communication preferably at more weak signaling zone by GPIO control circuit 35 control radio-frequency (RF) switch commutation circuits 31.
In the present embodiment, described external antenna 11 is telescopic telescopic antenna.
Whether this device also is provided with an external antenna detection module 15, be used to detect external antenna 11 and pull out.When the pull bar that detects external antenna 11 is drawn out, external antenna detection module 15 sends a signal to baseband circuit 33 by GPIO control circuit 35, and baseband circuit 33 switches to external antenna 11 by GPIO control circuit 35 control radio-frequency (RF) switch commutation circuits 31.
This device also is provided with an ESD (Electro-Static discharge) electrostatic discharge protective circuit 37; it is connected with radio-frequency (RF) switch commutation circuit 31, this design mainly consider prevent external antenna 11 and built-in aerial 21 in assembling and use by contact the electrostatic problem that produces with the external world.
In the present embodiment, described external antenna 11 is telescopic telescopic antenna.
See also Fig. 2, be the physical circuit schematic diagram of the utility model antenna integrating device.E1 is external telescopic antenna 11, and E2 is a built-in aerial 13.L1, C1, C3 form the match circuit 13 of external antenna 11, and L2, C2, C4 form the match circuit 23 of built-in aerial 13, and match circuit 13 and 23 all adopts PI type coupling, can take into account various types of antennas.
ESD electrostatic discharge protective circuit 37 is made up of D1, L2, D2, L4 circuit, and wherein D1, D2 are the electrostatic protection diode, does not influence the impedance of antenna in order to make electrostatic protection, and the equivalent capacity of general D1, D2 is all less than 0.5Pf.L3, L4 are inductance, strengthen the protection effect.
U1 is radio-frequency (RF) switch commutation circuit 31 among the figure, and equivalent electric circuit is a single-pole double-throw switch (SPDT), but the choice is bigger, as companies such as SKYWOK, SNEC this series products is arranged all.Recommend to use the AS193 series of products of SKYWORKS.
R1, R2 are connected to baseband circuit 33 and constitute switch control logic, are used for the selection of switch switching circuit 31.C8, C9 are filter function.
The signal that antenna 11 or 21 receives is delivered to radio-frequency (RF) transmit-receive circuit 32 through after the switch switching circuit 31 through the C7 coupling capacitance.
See also Fig. 3, be applied to the real work flow chart of mobile phone for having antenna integrating device of the present utility model, this flow process may further comprise the steps:
A, when mobile phone power-on, radio-frequency (RF) switch commutation circuit 31 at first initialization and acquiescence is selected built-in aerial 21, mobile phone is finished whole initialization and is entered holding state;
The signal strength signal intensity that b, baseband circuit 33 monitoring built-in aerials 21 receive;
C, whether judge this signal strength signal intensity, if judged result is for being that then baseband circuit 33 continues to calculate the signal strength signal intensity that built-in aerials 21 receive greater than threshold value;
If the d judged result is not, then baseband circuit 33 sends prompting user's information, informs a little less than the subscriber signal whether start external antenna 11;
If e user selects not start, then baseband circuit 33 keeps the state of signal calculated intensity;
If f user selects to start and pull out external antenna 11, external antenna detection module 15 will detect antenna 11 and be drawn out and send a signal to baseband circuit 33 by GPIO control circuit 35, and baseband circuit 33 switches to external antenna 11 by GPIO control circuit 35 control radio-frequency (RF) switch commutation circuits 31;
G, when user's after-contraction external antenna 11 of finishing using, external antenna detection module 15 detects antenna 11 and is packed up, and sending a signal to baseband circuit 33 by GPIO control circuit 35, baseband circuit 33 automatically switches to built-in aerial 21 by GPIO control circuit 35 control radio-frequency (RF) switch commutation circuits 31.
In device of the present utility model, external antenna 11 is telescopic telescopic antenna, under idle state, be in contraction state, do not influence the portable terminal appearance design, only when the weak signal zone, portable terminal can the intelligent prompt user use external antenna 11, to obtain communication quality better.
The above only is a better embodiment of the present utility model; protection range of the present utility model does not exceed with above-mentioned execution mode; as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (10)
1, a kind of antenna integrating device is characterized in that, this device comprises external antenna, built-in aerial, radio-frequency (RF) switch commutation circuit, radio-frequency (RF) transmit-receive circuit and baseband circuit; External antenna and built-in aerial are connected to radio-frequency (RF) transmit-receive circuit by the radio-frequency (RF) switch commutation circuit, and the radio-frequency (RF) switch commutation circuit is used for selecting to use built-in aerial or external antenna, and the signal that respective antenna receives is passed to radio-frequency (RF) transmit-receive circuit; The mobile phone baseband circuit is used to monitor the signal power that current antenna receives, and can control radio-frequency (RF) switch commutation circuit select built-in aerial or external antenna after calculating the signal power.
2, antenna integrating device according to claim 1, it is characterized in that: described device also comprises an external antenna match circuit and built-in aerial match circuit, and external antenna and built-in aerial are connected to the radio-frequency (RF) switch commutation circuit by the match circuit of correspondence respectively.
3, antenna integrating device according to claim 2 is characterized in that: described device also comprises an external antenna detection module, and it is connected between external antenna and the baseband circuit; This module is used to detect the contraction state of external antenna, and sends corresponding signal to baseband circuit, and baseband circuit is selected antenna according to the signal controlling radio-frequency (RF) switch commutation circuit that receives.
4, antenna integrating device according to claim 3 is characterized in that: the equivalent electric circuit of described radio-frequency (RF) switch commutation circuit is a single-pole double-throw switch (SPDT).
5, antenna integrating device according to claim 4 is characterized in that: described device also comprises an electrostatic discharge protective circuit, and it is connected with the radio-frequency (RF) switch commutation circuit.
6, antenna integrating device according to claim 3 is characterized in that: described external antenna is telescopic telescopic antenna.
7. one kind is used the portable terminal of antenna integrating device according to claim 1, it is characterized in that: this portable terminal comprises a built-in aerial, external antenna, radio-frequency (RF) switch commutation circuit, radio-frequency (RF) transmit-receive circuit and baseband circuit at least; External antenna and built-in aerial are connected to radio-frequency (RF) transmit-receive circuit by the radio-frequency (RF) switch commutation circuit, and the radio-frequency (RF) switch commutation circuit is used for selecting to use built-in aerial or external antenna, and the signal that respective antenna receives is passed to radio-frequency (RF) transmit-receive circuit; The mobile phone baseband circuit is used to monitor the signal power that current antenna receives, and can control radio-frequency (RF) switch commutation circuit select built-in aerial or external antenna after calculating the signal power.
8, portable terminal according to claim 7, it is characterized in that: described portable terminal also comprises an external antenna match circuit and built-in aerial match circuit, and external antenna and built-in aerial are connected to the radio-frequency (RF) switch commutation circuit by the match circuit of correspondence respectively.
9, portable terminal according to claim 8 is characterized in that: described portable terminal also comprises an external antenna detection module, and it is connected between external antenna and the baseband circuit; This module is used to detect the contraction state of external antenna, and sends corresponding signal to baseband circuit, and baseband circuit is selected antenna according to the signal controlling radio-frequency (RF) switch commutation circuit that receives.
10, portable terminal according to claim 9 is characterized in that: described portable terminal also comprises an electrostatic discharge protective circuit, and it is connected with the radio-frequency (RF) switch commutation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200717451U CN201418108Y (en) | 2009-05-07 | 2009-05-07 | Antenna integrated device and movable terminal using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200717451U CN201418108Y (en) | 2009-05-07 | 2009-05-07 | Antenna integrated device and movable terminal using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201418108Y true CN201418108Y (en) | 2010-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200717451U Expired - Fee Related CN201418108Y (en) | 2009-05-07 | 2009-05-07 | Antenna integrated device and movable terminal using same |
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| CN (1) | CN201418108Y (en) |
Cited By (21)
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| CN102348003A (en) * | 2011-09-26 | 2012-02-08 | 惠州Tcl移动通信有限公司 | Mobile communication terminal and signal receiving device |
| CN102694904A (en) * | 2011-03-22 | 2012-09-26 | 联想(北京)有限公司 | Method and apparatus for switching states, and mobile terminal |
| CN102780793A (en) * | 2012-07-20 | 2012-11-14 | 惠州Tcl移动通信有限公司 | Mobile terminal compatible with internal antenna and external antenna |
| CN102883006A (en) * | 2012-09-26 | 2013-01-16 | 中兴通讯股份有限公司 | Mobile terminal and communication method thereof |
| CN102882547A (en) * | 2012-10-15 | 2013-01-16 | 上海移远通信技术有限公司 | Antenna connecting circuit and communication device |
| CN103066939A (en) * | 2012-12-26 | 2013-04-24 | 福建星海通信科技有限公司 | Star-point type coupling network, star-point type coupler and control method thereof |
| CN103503333A (en) * | 2011-05-02 | 2014-01-08 | 苹果公司 | Electronic device with idle mode antenna switching |
| CN104360600A (en) * | 2014-12-01 | 2015-02-18 | 福建联迪商用设备有限公司 | Method and device for controlling dual-antenna POS machine |
| CN104659469A (en) * | 2015-02-28 | 2015-05-27 | 深圳市中兴移动通信有限公司 | Antenna assembly and control method thereof |
| CN105375117A (en) * | 2015-11-28 | 2016-03-02 | 广东欧珀移动通信有限公司 | Antenna device of mobile terminal and mobile terminal |
| CN105490002A (en) * | 2015-11-28 | 2016-04-13 | 广东欧珀移动通信有限公司 | Antenna device of mobile terminal and mobile terminal |
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| CN106788575A (en) * | 2016-12-26 | 2017-05-31 | 宇龙计算机通信科技(深圳)有限公司 | A kind of signal transmit-receive method, device, circuit and terminal |
| CN106848575A (en) * | 2017-02-10 | 2017-06-13 | 惠州Tcl移动通信有限公司 | A kind of external antenna, mobile terminal and antenna switching method |
| CN107346983A (en) * | 2017-06-28 | 2017-11-14 | 广东欧珀移动通信有限公司 | A kind of compatible built-in and external antenna mobile terminal |
| CN107612584A (en) * | 2017-10-19 | 2018-01-19 | 环鸿电子（昆山）有限公司 | The antenna system and control method of changeable external antenna |
| WO2018152709A1 (en) * | 2017-02-22 | 2018-08-30 | 华为技术有限公司 | Communication method and mobile terminal |
| CN110830091A (en) * | 2018-08-07 | 2020-02-21 | 联想移动通信科技有限公司 | Mobile terminal WIFI antenna system, control method and mobile terminal |
| CN111294091A (en) * | 2018-12-10 | 2020-06-16 | 中兴通讯股份有限公司 | Internal and external antenna switching method, mobile terminal and readable storage medium |
| CN111900539A (en) * | 2019-05-06 | 2020-11-06 | 华硕电脑股份有限公司 | Electronic device with multiple antennas and antenna configuration method thereof |
| CN112511186A (en) * | 2019-09-16 | 2021-03-16 | 北京小米移动软件有限公司 | Mobile terminal |
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2009
- 2009-05-07 CN CN2009200717451U patent/CN201418108Y/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102694904A (en) * | 2011-03-22 | 2012-09-26 | 联想(北京)有限公司 | Method and apparatus for switching states, and mobile terminal |
| CN103503333B (en) * | 2011-05-02 | 2016-04-06 | 苹果公司 | There is the electronic equipment that idle mode antenna switches |
| CN103503333A (en) * | 2011-05-02 | 2014-01-08 | 苹果公司 | Electronic device with idle mode antenna switching |
| CN102348003A (en) * | 2011-09-26 | 2012-02-08 | 惠州Tcl移动通信有限公司 | Mobile communication terminal and signal receiving device |
| CN102780793A (en) * | 2012-07-20 | 2012-11-14 | 惠州Tcl移动通信有限公司 | Mobile terminal compatible with internal antenna and external antenna |
| CN102780793B (en) * | 2012-07-20 | 2016-02-10 | 惠州Tcl移动通信有限公司 | The mobile terminal of compatible built-in aerial and external antenna function |
| CN102883006A (en) * | 2012-09-26 | 2013-01-16 | 中兴通讯股份有限公司 | Mobile terminal and communication method thereof |
| CN102882547A (en) * | 2012-10-15 | 2013-01-16 | 上海移远通信技术有限公司 | Antenna connecting circuit and communication device |
| CN103066939A (en) * | 2012-12-26 | 2013-04-24 | 福建星海通信科技有限公司 | Star-point type coupling network, star-point type coupler and control method thereof |
| CN103066939B (en) * | 2012-12-26 | 2016-01-20 | 福建星海通信科技有限公司 | Asterism formula coupling network, asterism formula coupler and control method thereof |
| CN104360600A (en) * | 2014-12-01 | 2015-02-18 | 福建联迪商用设备有限公司 | Method and device for controlling dual-antenna POS machine |
| CN104659469A (en) * | 2015-02-28 | 2015-05-27 | 深圳市中兴移动通信有限公司 | Antenna assembly and control method thereof |
| CN105375117A (en) * | 2015-11-28 | 2016-03-02 | 广东欧珀移动通信有限公司 | Antenna device of mobile terminal and mobile terminal |
| CN105490002A (en) * | 2015-11-28 | 2016-04-13 | 广东欧珀移动通信有限公司 | Antenna device of mobile terminal and mobile terminal |
| CN105871406A (en) * | 2015-12-02 | 2016-08-17 | 乐视致新电子科技（天津）有限公司 | Wireless router and working method thereof |
| CN106788575A (en) * | 2016-12-26 | 2017-05-31 | 宇龙计算机通信科技(深圳)有限公司 | A kind of signal transmit-receive method, device, circuit and terminal |
| CN106848575A (en) * | 2017-02-10 | 2017-06-13 | 惠州Tcl移动通信有限公司 | A kind of external antenna, mobile terminal and antenna switching method |
| WO2018152709A1 (en) * | 2017-02-22 | 2018-08-30 | 华为技术有限公司 | Communication method and mobile terminal |
| US10757654B2 (en) | 2017-02-22 | 2020-08-25 | Huawei Technologies Co., Ltd. | Communication method and mobile terminal |
| CN107346983A (en) * | 2017-06-28 | 2017-11-14 | 广东欧珀移动通信有限公司 | A kind of compatible built-in and external antenna mobile terminal |
| CN107612584A (en) * | 2017-10-19 | 2018-01-19 | 环鸿电子（昆山）有限公司 | The antenna system and control method of changeable external antenna |
| CN110830091A (en) * | 2018-08-07 | 2020-02-21 | 联想移动通信科技有限公司 | Mobile terminal WIFI antenna system, control method and mobile terminal |
| CN111294091A (en) * | 2018-12-10 | 2020-06-16 | 中兴通讯股份有限公司 | Internal and external antenna switching method, mobile terminal and readable storage medium |
| CN111294091B (en) * | 2018-12-10 | 2022-06-03 | 中兴通讯股份有限公司 | Internal and external antenna switching method, mobile terminal and readable storage medium |
| CN111900539A (en) * | 2019-05-06 | 2020-11-06 | 华硕电脑股份有限公司 | Electronic device with multiple antennas and antenna configuration method thereof |
| CN112511186A (en) * | 2019-09-16 | 2021-03-16 | 北京小米移动软件有限公司 | Mobile terminal |
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| C14 | Grant of patent or utility model | ||
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| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG DEJING ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI DECHEN COMMUNICATION TECHNOLOGY CO., LTD. Effective date: 20111213 |
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Free format text: CORRECT: ADDRESS; FROM: 200001 HUANGPU, SHANGHAI TO: 314050 JIAXING, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20111213 Address after: Jiaxing City, Zhejiang province 314050 Nanhu District Court Ling Road No. 3341 (Jiaxing city) building room 228 Patentee after: Zhejiang Dejing Electronics Technology Co.,ltd. Address before: 200001, room 602, C District, science capital, 666, Huangpu District, Shanghai, Beijing East Road Patentee before: Shanghai Dechen Telecomm. Technology Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20130507 |