CN204101033U - A kind of antenna for base station angle of declination dynamic measurement system - Google Patents
A kind of antenna for base station angle of declination dynamic measurement system Download PDFInfo
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- CN204101033U CN204101033U CN201420638644.9U CN201420638644U CN204101033U CN 204101033 U CN204101033 U CN 204101033U CN 201420638644 U CN201420638644 U CN 201420638644U CN 204101033 U CN204101033 U CN 204101033U
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Abstract
A kind of antenna for base station angle of declination dynamic measurement system, comprise the dynamic inclination sensor, main control unit and the user interface that become with groups of acceleration sensors primarily of gyroscope, described gyroscope is connected with the input end of described main control unit with the output terminal of described acceleration transducer, and described main control unit carries out fusion calculation to the data that described gyroscope and acceleration transducer record and draws angle of declination; Described main control unit is connected by communication module with described user interface.The utility model forms dynamic inclination sensor by being combined with acceleration transducer by gyroscope, and calculate high-precision angle of declination by the data fusion that both record by Kalman filtering, achieve and measure high-precision Downtilt in real time under antenna for base station current intelligence; In real time angle of declination data can also be transferred to terminal, in time antenna for base station be adjusted.
Description
Technical field
The utility model relates to a kind of measurement mechanism, is specifically related to a kind of antenna for base station angle of declination dynamic measurement system.
Background technology
The very high frequency of microwave, wavelength is very short, and its skyborne propagation characteristic is close with light wave, namely straight ahead, and run into stop and just reflected or be blocked, the major way of therefore microwave communication is horizon communication, exceedes sighting distance and wants relay forwarding later.Microwave communication due to the transmission that its bandwidth, capacity are large, may be used for various telecommunication service, as phone, telegram, data, fax and color TV etc. are all transmitted by microwave circuit.China succeeds in developing point-to-multipoint microwave communication system, and its central station adopts omnidirectional antenna to launch to surrounding, around in 50 kilometers, can have multiple placement subscriber station, separates multiplex telephony be again connected to each user use respectively from subscriber station.This point-to-multipoint microwave communication system for city suburbs, county town to rural urbanization or offshore islands user, the residential area of dispersion is also extremely share, comparatively economical.In wireless base station, the angle of declination of microwave antenna is an important engineering parameter, and the coverage of this parameter to wireless signal has a significant impact.Central station or subscriber station liftoff higher, even if be fixed on steel tower by microwave antenna, microwave antenna also has swing with the wind.This amplitude of fluctuation is at ± 3 °, and frequency, at 1-3Hz, although amplitude and frequency are not very large, can cause very large impact to base station range.
In current antenna attitude supervisory system, usually electronic compass or obliquity sensor is only adopted to carry out the measurement of angle of declination, these two kinds of devices all can only measure the angle of declination of microwave antenna under static environment, when microwave antenna is under dynamic environment, these two kinds of devices cannot accurately be measured the angle of declination of microwave antenna.
Utility model content
For the deficiencies in the prior art, the utility model aims to provide a kind of antenna for base station angle of declination dynamic measurement system, by the angular velocity and the acceleration of gravity that adopt the dynamic inclination sensor become with groups of acceleration sensors by gyroscope to measure antenna for base station, and carry out fusion calculation by Kalman filtering, thus draw the angle of declination of high-precision antenna for base station.
To achieve these goals, the utility model adopts following technical scheme:
A kind of antenna for base station angle of declination dynamic measurement system, comprise main control unit and user interface, also comprise the dynamic inclination sensor become with groups of acceleration sensors primarily of gyroscope, described gyroscope is connected with the input end of described main control unit with the output terminal of described acceleration transducer, and described main control unit carries out fusion calculation to the data that described gyroscope and acceleration transducer record and draws angle of declination; Described main control unit is connected by communication module with described user interface.
It should be noted that, the angle of declination that the angular velocity only exported by integrating gyroscope is obtained only does not have relativity, and gyroscope often has random drift equal error, precision is higher at short notice to cause the attitude angle obtained according to gyro, but precision is poor in long term time.And the angle of declination obtained at the component of each axle of acceleration transducer only by acceleration of gravity exports the linear acceleration that numerical value also comprises antenna for base station motion due to acceleration sensor, precision is higher under quiescent conditions to cause the antenna for base station angle of declination obtained according to acceleration transducer, but precision is poor under dynamic environment.Described antenna for base station angle of declination dynamic measurement system adopts and becomes dynamic inclination sensor by gyroscope with groups of acceleration sensors, wherein said gyroscope primary responsibility measures the angular velocity of antenna for base station, the acceleration of gravity of antenna for base station measured by described acceleration transducer then primary responsibility, the data that both record are carried out after process and fusion calculation through main control unit, draw the angle of declination data of high-precision antenna for base station.
As a kind of preferred version, described gyroscope is directly connected with described main control unit; The input end of described acceleration transducer connection signal modulate circuit, the output terminal of described signal conditioning circuit is connected with the input end of A/D convertor circuit; The output terminal of described A/D convertor circuit is connected with described main control unit.
It should be noted that, gyroscope is that SPI numeral exports, and output signal can directly directly be processed by main control unit.Acceleration transducer is that analog voltage exports, and outputs signal through signal conditioning circuit filtering noise reduction, is then converted to digital signal through A/D convertor circuit and gives described main control unit process.
As a kind of preferred version, described main control unit comprises data scaling module, error compensation module, Kalman filtering module, data conversion module and resolves output module, and above-mentioned module connects successively.
It should be noted that, in order to obtain high-precision angle of declination data, before carrying out data fusion computing, the angular velocity data that described gyroscope and acceleration transducer record and acceleration of gravity data first by data scaling module and error compensation module to carry out data scaling and error compensation; Then the angle obtained using angular integral speed in described Kalman filtering module is as quantity of state, the angle that calculates using gravitational acceleration component as observed quantity, set up gain adjustment factor with antenna for base station movement state information, by the adaptive Kalman filter data anastomosing algorithm based on hypercomplex number, obtain high-precision angle of declination data.In addition, user interface can select the representation exported, described data conversion module carries out hypercomplex number according to the order of user interface, changes between Eulerian angle and rotation matrix, and exports described user interface to by described parsing output module parsing.
As a kind of preferred version, described communication module is wireless communication module, and described main control unit and user interface are by described wireless communication module wireless connections.Like this, the angle of declination data that main control unit process draws can adopt wireless mode real-time Transmission to user interface, human observer can obtain the angle of declination data of antenna for base station in real time, and takes the mode of artificial adjustment or automatically controlled adjustment to regulate antenna for base station in time when it departs from.
The beneficial effects of the utility model are: form dynamic inclination sensor by being combined with acceleration transducer by gyroscope, and by Kalman filtering, the data fusion computing recorded by both is drawn high-precision angle of declination, achieve and measure high-precision Downtilt in real time under antenna for base station current intelligence; In real time angle of declination data can also be transferred to terminal, in time antenna for base station be adjusted.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of main control unit in Fig. 1;
Fig. 3 is the connecting circuit figure of signal conditioning circuit, A/D convertor circuit and acceleration transducer in Fig. 1.
Embodiment
Below with reference to accompanying drawing, the utility model will be further described, it should be noted that, the present embodiment, premised on the technical program, provides detailed implementation step and operating process, but protection domain of the present utility model is not limited to the present embodiment.
As shown in Figure 1, a kind of antenna for base station angle of declination dynamic measurement system, comprise main control unit and user interface, also comprise the dynamic inclination sensor become with groups of acceleration sensors primarily of gyroscope, described gyroscope is connected with the input end of described main control unit with the output terminal of described acceleration transducer, and described main control unit carries out fusion calculation to the data that described gyroscope and acceleration transducer record and draws angle of declination; Described main control unit and described user interface are by wireless communication module wireless connections.
It should be noted that, the angle of declination that the angular velocity only exported by integrating gyroscope is obtained only does not have relativity, and gyroscope often has random drift equal error, precision is higher at short notice to cause the attitude angle obtained according to gyro, but precision is poor in long term time.And the angle of declination obtained at the component of each axle of acceleration transducer only by acceleration of gravity exports the linear acceleration that numerical value also comprises antenna for base station motion due to acceleration sensor, precision is higher under quiescent conditions to cause the antenna for base station angle of declination obtained according to acceleration transducer, but precision is poor under dynamic environment.Described antenna for base station angle of declination dynamic measurement system adopts and becomes dynamic inclination sensor by gyroscope with groups of acceleration sensors, wherein said gyroscope primary responsibility measures the angular velocity of antenna for base station, the acceleration of gravity of antenna for base station measured by described acceleration transducer then primary responsibility, the data that both record are carried out after process and fusion calculation through main control unit, draw the angle of declination data of high-precision antenna for base station.
Described gyroscope is that SPI numeral exports, and output signal can directly directly be processed by main control unit.Acceleration transducer is that analog voltage exports, and outputs signal through signal conditioning circuit filtering noise reduction, is then converted to after digital signal through A/D convertor circuit and gives described main control unit process.
Described acceleration transducer adopts chip SCA100T-D02; Described signal conditioning circuit is formed primarily of a simple RC low-pass filter ,-3dB frequency
r is resistance value, and C is capacitance.F
-3dBfrequency threshold is set to about 3KHz, then R gets 5K Ω, and C gets 10nF.As shown in Figure 3, R1, R2 are filter resistance, and C1, C2 are filter capacitor.Connected by filter capacitor C3=100nF between 5V VDD-to-VSS, play the effect of ground protection.
A/D convertor circuit is responsible for analog voltage signal to be converted to digital signal.The measurement range of SCA100T-D02 is-90 ° and arrives ﹢ 90 °, and the analog voltage signal that SCA100T-D02 can export is 0.5V ~ 4.5V; Select 12 AD, available figure place has 0 ~ 2048LSB, and intermediate value is 1024.Getting Sensitivty is 819LSB.Numeral exports D
outthe formula being converted into angle [alpha] is as follows:
D
outthat the current numeral of acceleration transducer exports, D
offsettthat the numeral of equipment when 0g (level) position exports (being generally 1024LSB), Sensitivty is the sensitivity (SCA-100T-D02 chip is 819LSB/g) of equipment, then 0.5V (-90 °) corresponding 1024-819=205LSB, 4.5V (90 °) corresponding 1024+819=1843LSB.
As shown in Figure 2, described main control unit comprises data scaling module, error compensation module, Kalman filtering module, data conversion module and resolves output module, and above-mentioned module connects successively.
It should be noted that, in order to obtain high-precision angle of declination data, before carrying out data fusion computing, the angular velocity data that described gyroscope and acceleration transducer record and acceleration of gravity data first by data scaling module and error compensation module to carry out data scaling and error compensation; Then the angle obtained using angular integral speed in described Kalman filtering module is as quantity of state, the angle that calculates using gravitational acceleration component as observed quantity, set up gain adjustment factor with antenna for base station movement state information, by the adaptive Kalman filter data anastomosing algorithm based on hypercomplex number, obtain high-precision angle of declination data.In addition, user interface can select the representation exported, and described data module is carried out hypercomplex number according to the order of user interface, changed between Eulerian angle and rotation matrix, and exports described user interface to by described parsing output module parsing.
The angle of declination data that main control unit process draws can adopt wireless mode real-time Transmission to user interface, human observer can obtain the angle of declination data of antenna for base station in real time, and takes the mode of artificial adjustment or automatically controlled adjustment to regulate antenna for base station in time when it departs from.
For a person skilled in the art, according to above technical scheme and design, various corresponding change and distortion can be provided, and all these change and distortion, within the protection domain that all should be included in the utility model claim.
Claims (4)
1. an antenna for base station angle of declination dynamic measurement system, comprise user interface and main control unit, it is characterized in that, also comprise the dynamic inclination sensor become with groups of acceleration sensors primarily of gyroscope, described gyroscope is connected with the input end of described main control unit with the output terminal of described acceleration transducer, and described main control unit carries out fusion calculation to the data that described gyroscope and acceleration transducer record and draws angle of declination; Described main control unit is connected by communication module with described user interface.
2. a kind of antenna for base station angle of declination dynamic measurement system according to claim 1, it is characterized in that, described gyroscope is directly connected with described main control unit; The input end of described acceleration transducer connection signal modulate circuit, the output terminal of described signal conditioning circuit is connected with the input end of A/D convertor circuit; The output terminal of described A/D convertor circuit is connected with described main control unit.
3. a kind of antenna for base station angle of declination dynamic measurement system according to claim 1, it is characterized in that, described main control unit comprises data scaling module, error compensation module, Kalman filtering module, data conversion module and resolves output module, and above-mentioned module connects successively.
4. a kind of antenna for base station angle of declination dynamic measurement system according to claim 1, it is characterized in that, described communication module is wireless communication module, and described main control unit and described user interface are by wireless communication module wireless connections.
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| CN201420638644.9U CN204101033U (en) | 2014-10-29 | 2014-10-29 | A kind of antenna for base station angle of declination dynamic measurement system |
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| CN201420638644.9U CN204101033U (en) | 2014-10-29 | 2014-10-29 | A kind of antenna for base station angle of declination dynamic measurement system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830846A (en) * | 2017-09-30 | 2018-03-23 | 杭州艾航科技有限公司 | One kind utilizes unmanned plane and convolutional neural networks measurement communication tower aerial angle method |
| CN108318009A (en) * | 2018-01-19 | 2018-07-24 | 杭州艾航科技有限公司 | A kind of communications tower measuring for verticality method based on UAV Video |
| CN108426559A (en) * | 2018-02-27 | 2018-08-21 | 北京环境特性研究所 | A kind of antenna attitude detection device and method |
| CN108489461A (en) * | 2018-05-18 | 2018-09-04 | 云南电网有限责任公司电力科学研究院 | A kind of shared shaft tower tilts on-line monitoring system and method |
| CN108802751A (en) * | 2018-08-01 | 2018-11-13 | 卡瓦科尔牙科医疗器械（苏州）有限公司 | A kind of elevation angle measuring system based on wireless telecommunications |
| WO2020093631A1 (en) * | 2018-11-06 | 2020-05-14 | 五邑大学 | Antenna downtilt angle measurement method based on depth instance segmentation network |
| CN111397577A (en) * | 2020-02-21 | 2020-07-10 | 浙江运达风电股份有限公司 | Tilt angle sensor and gyroscope fused tower monitoring system and method |
-
2014
- 2014-10-29 CN CN201420638644.9U patent/CN204101033U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830846A (en) * | 2017-09-30 | 2018-03-23 | 杭州艾航科技有限公司 | One kind utilizes unmanned plane and convolutional neural networks measurement communication tower aerial angle method |
| CN107830846B (en) * | 2017-09-30 | 2020-04-10 | 杭州艾航科技有限公司 | Method for measuring angle of communication tower antenna by using unmanned aerial vehicle and convolutional neural network |
| CN108318009A (en) * | 2018-01-19 | 2018-07-24 | 杭州艾航科技有限公司 | A kind of communications tower measuring for verticality method based on UAV Video |
| CN108318009B (en) * | 2018-01-19 | 2020-12-01 | 杭州艾航科技有限公司 | Communication tower perpendicularity detection method based on unmanned aerial vehicle video |
| CN108426559A (en) * | 2018-02-27 | 2018-08-21 | 北京环境特性研究所 | A kind of antenna attitude detection device and method |
| CN108426559B (en) * | 2018-02-27 | 2020-07-24 | 北京环境特性研究所 | Antenna attitude detection device and method |
| CN108489461A (en) * | 2018-05-18 | 2018-09-04 | 云南电网有限责任公司电力科学研究院 | A kind of shared shaft tower tilts on-line monitoring system and method |
| CN108802751A (en) * | 2018-08-01 | 2018-11-13 | 卡瓦科尔牙科医疗器械（苏州）有限公司 | A kind of elevation angle measuring system based on wireless telecommunications |
| WO2020093631A1 (en) * | 2018-11-06 | 2020-05-14 | 五邑大学 | Antenna downtilt angle measurement method based on depth instance segmentation network |
| CN111397577A (en) * | 2020-02-21 | 2020-07-10 | 浙江运达风电股份有限公司 | Tilt angle sensor and gyroscope fused tower monitoring system and method |
| CN111397577B (en) * | 2020-02-21 | 2021-11-12 | 浙江运达风电股份有限公司 | Tilt angle sensor and gyroscope fused tower monitoring system and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20201029 |