CN201478451U - Electronic-tuning antenna control device - Google Patents
Electronic-tuning antenna control device Download PDFInfo
- Publication number
- CN201478451U CN201478451U CN200920190975XU CN200920190975U CN201478451U CN 201478451 U CN201478451 U CN 201478451U CN 200920190975X U CN200920190975X U CN 200920190975XU CN 200920190975 U CN200920190975 U CN 200920190975U CN 201478451 U CN201478451 U CN 201478451U
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Abstract
The utility model relates to an electronic-tuning antenna control device, which comprises a motor and an electronic-tuning antenna downtilt control module, wherein the motor is provided with a rotating shaft; the front end of the rotating shaft of the motor is connected with a rotating shaft of a phase shifter of an electronic-tuning antenna; and the electronic-tuning antenna downtilt control module is connected with the motor. The electronic-tuning antenna control device is characterized in that the rear end of the rotating shaft of the motor is provided with an outward extending segment; screw thread is arranged on the extending segment; and a sliding block can be movably sheathed on the extending segment arranged at the rear end of the rotating shaft of the motor. The electronic-tuning antenna control device also comprises two limit switches triggered by the sliding block, wherein the distance between the two limit switches is consistent with the mechanical adjusting range of the electronic-tuning antenna; and the output ends of the two limit switches are connected with the electronic-tuning antenna downtilt control module. Compared with the prior art, the utility model has the advantages that the electronic-tuning antenna control device can accurately obtain the moving distance of the phase shifter and has simple structure and convenient use.
Description
Technical field
The utility model relates to a kind of control device of electrically adjusted antenna, is used for the mobile communication antenna system and changes the driving of electrical tilt antenna sensing and the control device of electrically adjusted antenna of position.
Background technology
Along with the demand of mobile communication system increases day by day, home and overseas operator requires more and more higher to network quality, particularly to urban compact city and story height area, the large and small district of requirement Downtilt covers close and disturbs little each other, general mechanical antenna is difficult to satisfy these requirements, has only electrical tilt antenna could satisfy above-mentioned requirements.Because electrical tilt antenna can be by the synthetic component field intensity intensity of the phase place that changes conllinear array antenna oscillator, the amplitude size that changes vertical component and horizontal component and change, thereby the vertical directivity pattern of antenna is had a down dip, and the while makes whole directional pattern reduce area coverage again in the Serving cell sector but does not produce interference.The electric melody aerial lower inclination angle degree is spent when 5 degree change 1, its electrical tilt antenna directional diagram and mechanical antenna roughly the same; Spend when 10 degree change 5 when tilt angled down, the more mechanical antenna of its electrical tilt antenna directional diagram has obvious difference, and at this moment the electrical tilt antenna pattern shapes changes not quite, and the main lobe direction coverage distance obviously shortens, and the entire antenna directional diagram is all in this base station section.
The electric melody aerial lower inclination angle degree is then adjusted by phase shifter, and adjustable phase shifter can reach the adjustment purpose by changing mechanical locations such as length or angle usually.
And in order to realize the Remote function, generally be to adopt a control device of electrically adjusted antenna to come the phase shifter of electrical tilt antenna is carried out Long-distance Control.
Usually, control device of electrically adjusted antenna comprises motor and electric melody aerial lower inclination angle degree control module, and motor has a rotation axis; The phase shifter rotation axis of the rotation axis of motor and electrical tilt antenna links, electric melody aerial lower inclination angle degree control module links to each other with motor, electric melody aerial lower inclination angle degree control module be used to export control signal control motor rotation axis rotation so that control the rotation of the phase shifter rotation axis of described electrical tilt antenna, thereby finish adjustment to the electric melody aerial lower inclination angle degree.
But, the length and the angle adjustment of the phase shifter of electrical tilt antenna have certain limit, surpass this adjusting range and will cause the phase shifter permanent damages, and existing control device of electrically adjusted antenna is eliminated above-mentioned potential safety hazard, and existing control device of electrically adjusted antenna can not accurately obtain the position that relatively moves after the phase shifter adjustment, can not eliminate the site error that phase shifter is repeatedly adjusted the back accumulation.
The utility model content
Technical problem to be solved in the utility model provides a kind of control device of electrically adjusted antenna that can prevent that phase shifter from damaging, reliability is high at above-mentioned prior art, and this control device of electrically adjusted antenna can not only accurately obtain the position that relatively moves of phase shifter, and can prevent the stuck and effective site error that accumulates after phase shifter is repeatedly adjusted of eliminating of motor.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this control device of electrically adjusted antenna, be used to receive from the control signal of the control electrical tilt antenna direction of operation maintenance center and position and control the rotation of phase shifter rotation axis on the electrical tilt antenna, comprise
One motor, this motor has a rotation axis;
One electric melody aerial lower inclination angle degree control module;
The phase shifter rotation axis of the front end of the rotation axis of wherein said motor and described electrical tilt antenna links, described electric melody aerial lower inclination angle degree control module links to each other with described motor, described electric melody aerial lower inclination angle degree control module be used to export control signal control described motor rotation axis rotation so that control the rotation of the phase shifter rotation axis of described electrical tilt antenna;
It is characterized in that: the rear end of described motor rotation axis has an outward extending extension, is shaped on screw thread on this extension, and a slide block is removable to be set on the extension of motor rotation axis rear end;
Described control device of electrically adjusted antenna also comprises the limit switch that two energy are triggered by described slide block, distance between these two limit switches is consistent with described electrical tilt antenna mechanical adjustment scope, and the output of described two limit switches links to each other with described electric melody aerial lower inclination angle degree control module.
Like this, when the motor forward rotation, extension, motor rotation axis rear end drives slide block and moves to an end, and when slide block touched the limit switch of an end, this limit switch was triggered, and electric melody aerial lower inclination angle degree control module just can record the extreme position of an end; Opposite, when the motor backward rotation, extension, motor rotation axis rear end drives slide block and moves to the other end, when slide block touches the limit switch of the other end, the limit switch of the other end is triggered, and electric melody aerial lower inclination angle degree control module just can record the extreme position of the other end; Because for being rigidly connected, so the spacing position of the extreme position of motor rotation axis measurement and antenna phasing unit is corresponding between the phase shifter of electrical tilt antenna and the motor rotation axis.
Described two limit switches can be separately positioned on the extension of described motor rotation axis rear end, on the then removable motor rotation axis extension that is set between described two limit switches of described slide block.
Described two limit switches also can be separately positioned on the limiting plate that be arranged in parallel with the extension of described motor rotation axis rear end.
Described electric melody aerial lower inclination angle degree control module is a printed circuit board, the extension of this printed circuit board and described motor rotation axis rear end be arranged in parallel, and offer a strip groove on this printed circuit board, described slide block can be done rectilinear motion along the strip groove under described motor rotation axis drives, described two limit switches then can be separately positioned on two end edge of described strip groove.
As improvement, described control device of electrically adjusted antenna can also comprise that one is used to measure the position transducer of current present position of electrical tilt antenna and direction, and the output of this position transducer links to each other with described electric melody aerial lower inclination angle degree control module.
Compared with prior art; advantage of the present utility model is: measure the position of two limit switches by slide block is set; can accurately obtain the displacement of phase shifter; not only can effectively protect phase shifter can not damage; and the position of the limit switch benchmark as the phase shifter adjusting range can be calibrated the adjustment precision of phase shifter, can also effectively eliminate the site error that phase shifter is repeatedly adjusted the back accumulation; simple in structure, easy to use.
Description of drawings
Fig. 1 is the utility model control device of electrically adjusted antenna embodiment one and electrical tilt antenna general assembly drawing;
Fig. 2 is the utility model control device of electrically adjusted antenna embodiment two and electrical tilt antenna general assembly drawing;
Fig. 3 is the three-dimensional installation diagram of motor and limit switch among the utility model control device of electrically adjusted antenna embodiment two;
Fig. 4 is motor and a limit switch general assembly drawing among the utility model control device of electrically adjusted antenna embodiment three;
Fig. 5 is motor and a limit switch general assembly drawing among the utility model control device of electrically adjusted antenna embodiment four.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment one:
As illustrated in fig. 1 and 2, electrical tilt antenna 1 is positioned at the mobile base station cat head, and its tilt angled down can be adjusted by the phase shifter rotation axis of electrical tilt antenna 1, and the phase shifter rotation axis of electrical tilt antenna 1 is provided with shaft seat 11 outward; The electrical tilt antenna controller comprises motor 22, electric melody aerial lower inclination angle degree control module 23 is set in shell 21, the shell 21; Motor 22 rotation axis front ends 221 connect with electrical tilt antenna 1 shaft seat 11 outward by a connector 4 and attaching nut 3, and wherein connector 4 passes the shell protecgulum 211 of electrical tilt antenna controller; Electric melody aerial lower inclination angle degree control module 23 links to each other with motor 22, electric melody aerial lower inclination angle degree control module 23 be used to export control signal control motor rotation axis rotation so that control the rotation of the phase shifter rotation axis of described electrical tilt antenna; The rear end of motor 22 rotation axiss has an outward extending extension 222, is shaped on screw thread on this extension 222, and slide block 24 is removable to be set on the extension 222 of motor rotation axis rear end; The extension 222 of motor rotation axis rear end is provided with two limit switches 25,26, these two limit switches 25,26 can be triggered by slide block 24, and the distance between these two limit switches 25,26 is consistent with electrical tilt antenna mechanical adjustment scope, and the output of two limit switches 25,26 links to each other with electric melody aerial lower inclination angle degree control module simultaneously.Motor rear end is provided with the position transducer 28 that is used to measure current present position of electrical tilt antenna and direction.The tail end of electrical tilt antenna controller is provided with AISG port 31 and is connected to CCU by control cable.
The principle of control device of electrically adjusted antenna is in the present embodiment: the rotation axis that the control signal from the control electrical tilt antenna direction of operation maintenance center and position that electric melody aerial lower inclination angle degree control module 23 will receive is converted into the rotation number of turns rear drive motor of motor rotation axis rotates, the front end of motor rotation axis connects the phase shifter of electrical tilt antenna by the adjusting lever in the connector, the realization phase shifter rotates, thereby reaches the adjustment electric melody aerial lower inclination angle.Rotate synchronously the extension of motor rotation axis rear end, drive slide block and do rectilinear motion along the screw thread on the extension, when turning to phase shifter adjusting range edge, slide block will touch the limit switch at two ends respectively, can obtain up and down spacing accurate position this moment, and this signal can be used as the signal that position correction and motor rotation axis stop operating.
Embodiment two:
Different with embodiment one is, two limit switches 25,26 are separately positioned on the limiting plate 27 that be arranged in parallel with the extension of motor rotation axis rear end, referring to shown in Figure 3.
Embodiment three:
Different with embodiment one is, motor 22 is the motor of band reducing gear, electric melody aerial lower inclination angle degree control module is a printed circuit board, the extension of this printed circuit board and motor rotation axis rear end be arranged in parallel, and offer a strip groove on this printed circuit board, slide block can be done rectilinear motion along the strip groove under motor rotation axis drives, two limit switches 25,26 then are separately positioned on two end edge of the strip groove of this printed circuit board, referring to shown in Figure 4.
Embodiment four:
Different with embodiment one is, motor 22 is the motor of band reducing gear, the motor rotation axis rear end is provided with the position transducer 28 that is used to measure current present position of electrical tilt antenna and direction, and the output of this position transducer 28 links to each other with electric melody aerial lower inclination angle degree control module; The motor rotation axis front end is provided with first gear 29, the screw axis front end of reducing gear second gear, 30, the first gears 29 are set and second gear 30 meshing; Gearratio is 1: 1 between first gear 29 and second gear 30, on the screw axis of reducing gear screw thread is set, and slide block is arranged on the screw axis, two limit switches 25,26 be separately positioned on and the limiting plate 27 that be arranged in parallel with the screw axis of reducing gear on; When motor rotates, drive 29 transmissions of first gear, second gear 30 drives the screw axis of band reducing gear with same speed rotation simultaneously, slide block is done rectilinear motion along screw axis, when reaching the adjusting range marginal position, touch limit switch and realize spacing position detecting function, referring to shown in Figure 5.
Claims (5)
1. control device of electrically adjusted antenna is used to receive from the control signal of the control electrical tilt antenna direction of operation maintenance center and position and controls the rotation of phase shifter rotation axis on the electrical tilt antenna, comprises
One motor, this motor has a rotation axis;
One electric melody aerial lower inclination angle degree control module;
The phase shifter rotation axis of the front end of the rotation axis of wherein said motor and described electrical tilt antenna links, described electric melody aerial lower inclination angle degree control module links to each other with described motor, described electric melody aerial lower inclination angle degree control module be used to export control signal control described motor rotation axis rotation so that control the rotation of the phase shifter rotation axis of described electrical tilt antenna;
It is characterized in that: the rear end of described motor rotation axis has an outward extending extension, is shaped on screw thread on this extension, and a slide block is removable to be set on the extension of motor rotation axis rear end;
Described control device of electrically adjusted antenna also comprises the limit switch that two energy are triggered by described slide block, distance between these two limit switches is consistent with described electrical tilt antenna mechanical adjustment scope, and the output of described two limit switches links to each other with described electric melody aerial lower inclination angle degree control module.
2. control device of electrically adjusted antenna according to claim 1, it is characterized in that: described two limit switches are separately positioned on the extension of described motor rotation axis rear end, on the then removable motor rotation axis extension that is set between described two limit switches of described slide block.
3. control device of electrically adjusted antenna according to claim 1 is characterized in that: described two limit switches are separately positioned on the limiting plate that be arranged in parallel with the extension of described motor rotation axis rear end.
4. control device of electrically adjusted antenna according to claim 1, it is characterized in that: described electric melody aerial lower inclination angle degree control module is a printed circuit board, the extension of this printed circuit board and described motor rotation axis rear end be arranged in parallel, and offer a strip groove on this printed circuit board, described slide block can be done rectilinear motion along the strip groove under described motor rotation axis drives, described two limit switches then are separately positioned on two end edge of described strip groove.
5. control device of electrically adjusted antenna according to claim 1, it is characterized in that: comprise that also one is used to measure the position transducer of current present position of electrical tilt antenna and direction, the output of this position transducer links to each other with described electric melody aerial lower inclination angle degree control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920190975XU CN201478451U (en) | 2009-08-05 | 2009-08-05 | Electronic-tuning antenna control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920190975XU CN201478451U (en) | 2009-08-05 | 2009-08-05 | Electronic-tuning antenna control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201478451U true CN201478451U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920190975XU Expired - Lifetime CN201478451U (en) | 2009-08-05 | 2009-08-05 | Electronic-tuning antenna control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201478451U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621156B (en) * | 2009-08-05 | 2012-11-07 | 宁波天韵天线科技有限公司 | Control device of electrically adjusted antenna |
| CN102842764A (en) * | 2012-09-07 | 2012-12-26 | 苏州市大富通信技术有限公司 | Device for adjusting downdip angle of communication antenna |
| CN104409854A (en) * | 2014-12-04 | 2015-03-11 | 武汉虹信通信技术有限责任公司 | Regulating device for rotating scale of tunable antenna |
| CN105896078A (en) * | 2016-06-16 | 2016-08-24 | 南京华脉科技股份有限公司 | Antenna with electrically adjustable controlled horizontal azimuth |
| CN108923128A (en) * | 2018-06-29 | 2018-11-30 | 京信通信系统（中国）有限公司 | A kind of electricity tune method and apparatus of antenna for base station |
-
2009
- 2009-08-05 CN CN200920190975XU patent/CN201478451U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621156B (en) * | 2009-08-05 | 2012-11-07 | 宁波天韵天线科技有限公司 | Control device of electrically adjusted antenna |
| CN102842764A (en) * | 2012-09-07 | 2012-12-26 | 苏州市大富通信技术有限公司 | Device for adjusting downdip angle of communication antenna |
| CN102842764B (en) * | 2012-09-07 | 2014-12-17 | 苏州市大富通信技术有限公司 | Device for adjusting downdip angle of communication antenna |
| CN104409854A (en) * | 2014-12-04 | 2015-03-11 | 武汉虹信通信技术有限责任公司 | Regulating device for rotating scale of tunable antenna |
| CN104409854B (en) * | 2014-12-04 | 2017-02-22 | 武汉虹信通信技术有限责任公司 | Regulating device for rotating scale of tunable antenna |
| CN105896078A (en) * | 2016-06-16 | 2016-08-24 | 南京华脉科技股份有限公司 | Antenna with electrically adjustable controlled horizontal azimuth |
| CN108923128A (en) * | 2018-06-29 | 2018-11-30 | 京信通信系统（中国）有限公司 | A kind of electricity tune method and apparatus of antenna for base station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Effective date: 20110829 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315000 NINGBO, ZHEJIANG PROVINCE TO: 315202 NINGBO, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110829 Address after: 315202, Luo Luo Road, camel town, Zhenhai Town, Zhenhai District, Zhejiang, Ningbo, 357 Patentee after: Ningbo Tianyun Telecommunication Equipment Co., Ltd. Address before: 315000, Luo Luo Road, camel town, Zhenhai Town, Zhenhai District, Zhejiang, Ningbo, 357 Patentee before: Ningbo Tianyun Antenna Technological Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100519 Effective date of abandoning: 20090805 |
|
| RGAV | Abandon patent right to avoid regrant |