CN203180083U - Wireless measurement and control antenna array device - Google Patents
Wireless measurement and control antenna array device Download PDFInfo
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- CN203180083U CN203180083U CN 201320170867 CN201320170867U CN203180083U CN 203180083 U CN203180083 U CN 203180083U CN 201320170867 CN201320170867 CN 201320170867 CN 201320170867 U CN201320170867 U CN 201320170867U CN 203180083 U CN203180083 U CN 203180083U
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Abstract
The utility model discloses a wireless measurement and control antenna array device and relates to the wireless communication system technology field. The antenna array device comprises an antenna array, a microwave switch module, a radio frequency receiving module, a power detection module, a clock module, an electronic compass, a central processor module and a power supply module. The wireless measurement and control antenna array device, through rapid switching of directional receiving antennas in different directions, receives a signal from a signal source and simultaneously determines the direction of the signal source based on signal power detection. The antenna array device can solve the problem in positioning the signal source.
Description
Technical field
The utility model relates to the wireless communication system technologies field, especially relates to the antenna array means in a kind of detectable signal orientation.
Background technology
Antenna is a kind of converter, and it is transformed into the electromagnetic wave of propagating to the guided wave of transmission above-the-line promotion in the unbounded media, perhaps carry out opposite conversion.In wireless device, be used for emission or receive electromagnetic parts.Be applied to engineering systems such as radio communication, broadcasting, TV, radar, navigation, electronic countermeasures, remote sensing, radio astronomy.
Number of patent application is to be a kind of aerial array that is used for sweep signal on the vehicle that is installed in 02824569.5 " aerial array that moving vehicle is used ", this patent disclosure monitor signal and control azimuth driver and the height driver that is received by antenna element arrays with alignment controller so that antenna element arrays keeps the alignment information source in a wide scope.But in the technical scheme of this patent disclosure, the concrete of signal judged to lacking accurately, namely can not accurately be judged the orientation of information source.
The utility model content
The utility model provides a kind of antenna observing and controlling antenna array means, and this antenna array means is switched fast by the directional receiving antenna to different azimuth, detects to judge the orientation at signal source place when receiving the signal source signal based on signal power.When the aerial array device received the consulting pulse that main frame sends, antenna array means was fed back the orientation that this detects the strongest signal source of signal in a flash to main frame.
The utility model is by the following technical solutions:
A kind of antenna observing and controlling antenna array means comprises aerial array, microwave switch module, Receiver Module, power detection module, clock module, electronic compass, CPU module and power module;
Wherein, aerial array is omnidirectional antenna;
The microwave switch module links to each other with aerial array, is used for the signal of receiving antenna array, realizes the switching of aerial signal, selects to enter the aerial signal of post processing electric circuit; The switching of its switch switching state has strict timing relationship, and the signal isolation between each road input interface need guarantee that faint reception signal can be by stronger antenna interference that incoming end is covered;
Receiver Module links to each other with microwave switch, be used for to receive the aerial signal of microwave switch module transmission, and aerial signal is carried out filtering, amplifies, is down to processing such as intermediate frequency;
Power detection module links to each other with Receiver Module, is used for the intermediate frequency aerial signal of received RF receiver module transmission, and detects its signal power, obtains the power information of intermediate frequency aerial signal;
Clock module links to each other with Receiver Module, CPU module, and being used for provides required clock signal to Receiver Module, CPU module; The clock signal that central processing unit is provided satisfies the requirement that the microwave switch module is split the switching of pass switching state;
Electronic compass links to each other with central processing unit, and azimuth reference information is offered central processing unit;
CPU module comprises central processing unit, links to each other with microwave switch, power detection module links to each other; Be used for the power information of the intermediate frequency aerial signal of received power detection module transmission, and compare, obtain the orientation of the strongest signal source of power; According to the clock signal that clock module provides, the control microwave switch carries out aerial signal and switches;
Power module is powered to aerial array, microwave switch module, Receiver Module, power detection module, clock module, CPU module, electronic compass etc.
Preferential, described antenna observing and controlling antenna array means also comprises system software module, described systems soft ware is set monitoring and the parameter adjustment of proofreading and correct the antenna array means time-delay, and apparatus is concentrated the running parameter between balanced each functional module, with control antenna array apparatus time delay.
The utility model adopts the method that detects based on signal power to judge direction of signal, can solve the signal source orientation problem, as signals such as mobile phone, base station, broadcasting, satellite come to.
Description of drawings
Figure 1 shows that the hardware composition diagram of the utility model preferred embodiment.
Embodiment
Be described further for the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing and the utility model of embodiment.
As shown in Figure 1, the utility model antenna observing and controlling antenna array means comprises aerial array, microwave switch module, Receiver Module, power detection module, clock module, CPU module, electronic compass, memory module, power module and system software module;
Wherein, aerial array is omnidirectional antenna.
The microwave switch module links to each other with aerial array, is used for the signal of receiving antenna array, realizes the switching of aerial signal.The bandwidth of operation of microwave switch module is included as 0-3.5GHz, selects to enter the aerial signal of post processing electric circuit, and on this basis, bandwidth of operation is more narrow more good.The switching of its switch switching state has strict timing relationship, and the signal isolation between each road input interface has certain requirement, can be by stronger antenna interference that incoming end is covered to guarantee faint reception signal; The maximum duration of the permission of once switching of antenna array means is 1us, namely is less than or equal to 1us switching time, has quick switching capability.
Receiver Module links to each other with microwave switch, be used for to receive the aerial signal of microwave switch module transmission, and aerial signal is carried out filtering, amplifies, is down to processing such as intermediate frequency, the intermediate-freuqncy signal about output 85.38MHz; Design the clock signal of external 16.384MHz, clock signal is introduced the radio frequency dash receiver by rf signal line.
Power detection module links to each other with Receiver Module, is used for the intermediate frequency aerial signal of received RF receiver module transmission, and detects its signal power, obtains the performance number of intermediate frequency aerial signal; Distinguish requirement in order to reach performance number, its power detection precision is more than 12, and change-over time is at 20us(power detection time slot) in, namely sampling rate is more than 50KSPS.
Clock module links to each other with Receiver Module, CPU module, and being used for provides required clock signal to Receiver Module, CPU module; Wherein the clock source of Receiver Module requires frequency to provide for the active crystal oscillator with temperature-compensating of 16.384MHz; The clock signal that central processing unit is provided satisfies the requirement that the microwave switch module is split the switching of pass switching state.
Electronic compass links to each other with central processing unit, and azimuth reference information is offered central processing unit, and its magnetoresistive transducer precision is higher than 3 °, so that the azimuth pointing accuracy of standard to be provided; Described electronic compass and aerial array have definite corresponding relation.
CPU module comprises central processing unit, peripheral standard interface; Described CPU module links to each other with microwave switch, power detection module links to each other; Be used for the power information of the intermediate frequency aerial signal of received power detection module transmission, and compare, obtain the orientation of the strongest signal source of power; According to the clock signal that clock module provides, the control microwave switch carries out aerial signal and switches; Described peripheral standard interface comprises standard interfaces such as USB interface, serial ports, SPI, IIC.The driving requirement of parts such as electronic compass, LCD, power detection module is satisfied in the disposal ability of described central processing unit and the design of I/O mouth quantity.
Memory module is used for storage by the result data of central processing unit contrast; Because the signal message that described antenna array means receives, handles is real time data, and is comparatively of short duration to the time of storage demand, generally designs about 5 minutes.
The intermodule interface design is as shown in the table:
Power module is powered to aerial array, microwave switch module, Receiver Module, power detection module, clock module, CPU module, electronic compass, memory module etc.; Described power module adopts lower pressure reduction conversion regime, as providing 5V voltage to part of module, provides 3V voltage to other module; Described power module adopts power supply voltage stabilizing chip and electrochemical capacitor derate, guarantees that each temperature of electronic component, input voltage and operating frequency all meet the demands, and leaves surplus.
System software module is used for setting monitoring and the parameter adjustment of proofreading and correct the antenna array means time-delay, and apparatus is concentrated the running parameter between balanced each functional module, with control antenna array apparatus time delay.Because antenna array means needs repeatedly to rescue in a short time switched antenna, this depends on the corresponding one by one of precise time point and antenna.If antenna array means greater than 0.5 switching cycle, then may cause serious deviation to the response of signal strength signal intensity, result's time-delay of allowing of antenna array means is so: 675/20/2 ≈ 16us, i.e. result's time-delay is less than or equal to 16us.
The power access end of described microwave switch module, Receiver Module, power detection module, clock module, CPU module, electronic compass arranges filter capacitor, and output place of I/O mouth is connected in series 330 Ω resistance, and crucial holding wire is taked bag ground.Radio frequency dash receiver and central processing unit plate arrange louvre, and the design of large tracts of land copper sheet is adopted on bus plane and stratum.
Described antenna array means also comprises shell, described aerial array is fixed in case surface, and described microwave switch module, Receiver Module, power detection module, clock module, CPU module, electronic compass, memory module, power module and system software module are fixed in enclosure; Described outer casing bottom can be adsorbed on roof with magnet.
Anti-interference in order to strengthen electromagnetism, small signal circuit in the described antenna array means partly as far as possible away from signal frequency than higher part, connecting flexible conductor, holding wire electronic component and circuit part long and that easily produce radiation and be vulnerable to radiated interference in the antenna array means increases screening arrangement.
The above embodiment has only expressed a kind of execution mode of the present utility model, and it describes comparatively concrete and detailed, 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. an antenna observing and controlling antenna array means is characterized in that: comprise aerial array, microwave switch module, Receiver Module, power detection module, clock module, electronic compass, CPU module and power module;
Wherein, aerial array is omnidirectional antenna;
The microwave switch module links to each other with aerial array, is used for the signal of receiving antenna array, realizes the switching of aerial signal, selects to enter the aerial signal of post processing electric circuit; The switching of its switch switching state has strict timing relationship, and the signal isolation between each road input interface need guarantee that faint reception signal can be by stronger antenna interference that incoming end is covered;
Receiver Module links to each other with microwave switch, be used for to receive the aerial signal of microwave switch module transmission, and aerial signal is carried out filtering, amplifies, is down to processing such as intermediate frequency;
Power detection module links to each other with Receiver Module, is used for the intermediate frequency aerial signal of received RF receiver module transmission, and detects its signal power, obtains the power information of intermediate frequency aerial signal;
Clock module links to each other with Receiver Module, CPU module, and being used for provides required clock signal to Receiver Module, CPU module; The clock signal that central processing unit is provided satisfies the requirement that the microwave switch module is split the switching of pass switching state;
Electronic compass links to each other with central processing unit, and azimuth reference information is offered central processing unit;
CPU module comprises central processing unit, links to each other with microwave switch, power detection module links to each other; Be used for the power information of the intermediate frequency aerial signal of received power detection module transmission, and compare, obtain the orientation of the strongest signal source of power; According to the clock signal that clock module provides, the control microwave switch carries out aerial signal and switches;
Power module is powered to aerial array, microwave switch module, Receiver Module, power detection module, clock module, CPU module, electronic compass etc.
2. antenna observing and controlling antenna array means according to claim 1, it is characterized in that: also comprise system software module, described systems soft ware is set monitoring and the parameter adjustment of proofreading and correct the antenna array means time-delay, apparatus is concentrated the running parameter between balanced each functional module, with control antenna array apparatus time delay.
3. antenna observing and controlling antenna array means according to claim 2 is characterized in that: the maximum duration of the permission of once switching of described antenna array means is 1us.
4. antenna observing and controlling antenna array means according to claim 3 is characterized in that: described antenna array means result's time-delay is less than or equal to 16us.
5. antenna observing and controlling antenna array means according to claim 1, it is characterized in that: the bandwidth of operation of described microwave switch module is included as 0-3.5GHz.
6. antenna observing and controlling antenna array means according to claim 1, it is characterized in that: described clock module comprises the active crystal oscillator with temperature-compensating, described active crystal oscillator provides the clock signal of 16.384MHz to Receiver Module.
7. antenna observing and controlling antenna array means according to claim 1, it is characterized in that: the power detection precision of described power detection module is more than 12, and sampling rate is more than 50KSPS.
8. according to each described antenna observing and controlling antenna array means of claim 1 to 7, it is characterized in that: the power access end of described microwave switch module, Receiver Module, power detection module, clock module, CPU module, electronic compass arranges filter capacitor, output place of I/O mouth is connected in series 330 Ω resistance, and crucial holding wire is taked bag ground; Radio frequency dash receiver and central processing unit plate arrange louvre, and the design of large tracts of land copper sheet is adopted on bus plane and stratum.
9. antenna observing and controlling antenna array means according to claim 8, it is characterized in that: described antenna array means also comprises shell, described aerial array is fixed in case surface, and described microwave switch module, Receiver Module, power detection module, clock module, CPU module, electronic compass, power module are fixed in enclosure; Described outer casing bottom can be adsorbed on roof with magnet.
10. antenna observing and controlling antenna array means according to claim 9, it is characterized in that: the small signal circuit part in the described antenna array means is away from the high part of signal frequency, connects flexible conductor, signal line length in the antenna array means and the electronic component and the circuit part that produce radiation and be subjected to radiated interference increase screening arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320170867 CN203180083U (en) | 2013-04-08 | 2013-04-08 | Wireless measurement and control antenna array device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320170867 CN203180083U (en) | 2013-04-08 | 2013-04-08 | Wireless measurement and control antenna array device |
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| CN203180083U true CN203180083U (en) | 2013-09-04 |
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| CN 201320170867 Expired - Lifetime CN203180083U (en) | 2013-04-08 | 2013-04-08 | Wireless measurement and control antenna array device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226189A (en) * | 2013-04-08 | 2013-07-31 | 广州汇智通信技术有限公司 | Wireless measurement and control antenna array device |
| CN105531871A (en) * | 2013-09-06 | 2016-04-27 | 英派尔科技开发有限公司 | Optimal direction determination of radio signals |
| CN107192473A (en) * | 2017-05-17 | 2017-09-22 | 南京航空航天大学 | Surface acoustic wave system for detecting temperature and detection method based on phased array antenna |
| US10104661B2 (en) | 2014-01-22 | 2018-10-16 | Empire Technology Development Llc | Adaptively selecting from among multiple base stations |
-
2013
- 2013-04-08 CN CN 201320170867 patent/CN203180083U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226189A (en) * | 2013-04-08 | 2013-07-31 | 广州汇智通信技术有限公司 | Wireless measurement and control antenna array device |
| CN103226189B (en) * | 2013-04-08 | 2015-07-22 | 广州汇智通信技术有限公司 | Wireless measurement and control antenna array device |
| CN105531871A (en) * | 2013-09-06 | 2016-04-27 | 英派尔科技开发有限公司 | Optimal direction determination of radio signals |
| CN105531871B (en) * | 2013-09-06 | 2017-12-19 | 英派尔科技开发有限公司 | The optimum orientation of radio signal determines |
| US10104661B2 (en) | 2014-01-22 | 2018-10-16 | Empire Technology Development Llc | Adaptively selecting from among multiple base stations |
| CN107192473A (en) * | 2017-05-17 | 2017-09-22 | 南京航空航天大学 | Surface acoustic wave system for detecting temperature and detection method based on phased array antenna |
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Granted publication date: 20130904 |
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| CX01 | Expiry of patent term |