CN203026642U - Control device for electronically tunable antenna and multi-band antenna - Google Patents
Control device for electronically tunable antenna and multi-band antenna Download PDFInfo
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- CN203026642U CN203026642U CN 201220742057 CN201220742057U CN203026642U CN 203026642 U CN203026642 U CN 203026642U CN 201220742057 CN201220742057 CN 201220742057 CN 201220742057 U CN201220742057 U CN 201220742057U CN 203026642 U CN203026642 U CN 203026642U
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- antenna
- control device
- tie rod
- output shaft
- stepping motor
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Abstract
The embodiment of the utility model provides a control device for an electronically tunable antenna and a multi-band antenna. The control device comprises a control assembly, a stepper motor, a transmission structural element, and two draw bars used for driving phase shifters, wherein the transmission structural element comprises at least two sub transmission elements which are arranged between the output shaft of the stepper motor and the draw bars respectively, and used for transmitting the rotation of the output shaft to drive the draw bars to move, and a switching element arranged between the sub transmission elements and the output shaft of the stepper motor or arranged between the sub transmission elements and between the draw bars, and used for controlling the sub transmission elements to be connected with the output shaft or the draw bars in a switching manner. In the device, the transmission structural element is driven to run by a stepper motor, the at least two draw bars are switched and controlled to run via the switching element and the at least two sub transmission elements, thus controlling the movements of the phase shifters; and the fact that a plurality of phase shifters are controlled by one stepper motor is realized, so that the occupied space of the transmission structure in the antenna, the weight of the antenna and the cost can be reduced.
Description
Technical field
The utility model embodiment relates to the communication apparatus construction technology, relates in particular to a kind of control device of electrically adjusted antenna and multifrequency antenna.
Background technology
Electrical tilt antenna refers to utilize the electronic control means automation to adjust the portable antenna of tilt angled down, by electrical tilt, and the parameters such as the phase place of change antenna, horizontal component, vertical component amplitude, thus reach the effect that changes area coverage.It is mainly by electrical tilt antenna remote control unit (Remote Control Unit is called for short RCU) and control appliance or software mutual operation, realizes the remote monitoring to antenna.
Existing built-in RCU transmission scheme is comprised of printed circuit board (Printed Circuit Board is called for short PCB) control board, motor and corresponding drive mechanism spare.Control signal is via Antenna Interface Standards Group (Antenna Interface Standards Group, abbreviation AISG) modes such as cable or M12 connector input to the PCB control board, through the stepping motor transmitted signal of PCB control board to the needs action, drive mechanism spare is converted to rectilinear motion with rotatablely moving of motor, drive phase shifter by tie rod and realize linearly operating, realize tilt adjustment.
In existing transmission scheme, by the step motor control of correspondence, the turning moment of each stepping motor is converted to rectilinear motion by a cover drive mechanism spare to different phase shifters respectively.When needs arranged multifrequency antenna, the kind of drive of multifrequency antenna was the simple superposition of single-band antenna, was also that each phase shifter is by an Electric Machine Control.So, phase shifter is more, and motor module is just more, thereby causes the weight of antenna, layout difficulty to strengthen, and the series of problems such as cost rising.
The utility model content
The utility model embodiment provides a kind of control device of electrically adjusted antenna and multifrequency antenna, the problem that exists when in prior art, multifrequency antenna being set in order to solve.
First aspect, the utility model embodiment provides a kind of control device of electrically adjusted antenna, comprising: control assembly, stepping motor, drive mechanism spare and be used for driving the tie rod of phase shifter, wherein,
The quantity of described stepping motor is one, and the quantity of described tie rod is at least two;
Described drive mechanism spare comprises:
At least two sub-driving members are separately positioned between the output shaft and each described tie rod of stepping motor, are used for transmitting the rotation of described output shaft to drive described tie rod motion;
Switch piece is arranged between the output shaft of sub-driving member and stepping motor, or is arranged between sub-driving member and tie rod, is used for controlling sub-driving member and is connected with described output shaft or tie rod with switching.
In the possible implementation of the first of first aspect, described sub-driving member is spur gear, is provided with tooth bar on described tie rod.
The implementation possible according to the first of first aspect, in the possible implementation of the second, described switch piece comprises:
Be connected with the output shaft of described stepping motor and synchronize the leading screw that rotates, the outer surface of described leading screw is provided with screw thread, and the spur gear that is used for driving engagement when described leading screw rotates rotates;
At least two solenoids should arrange with each gear mesh respectively, be used for switching spur gear corresponding to ground absorption and mesh or separate with described leading screw under unlatching or off-state.
The implementation possible according to the first of first aspect, in the third possible implementation, described switch piece comprises:
Be connected with the output shaft of described stepping motor and synchronize the first helical gear that rotates;
At least two the second helical gears, respectively with described the first helical gear engagement, and with corresponding settings of each described spur gear, be used for driving the spur gear rotation of meshing when described the first helical gear rotates;
At least two solenoids, setting corresponding to each spur gear respectively is used for switching the second helical gear corresponding to ground absorption and meshes or separate with the first helical gear under unlatching or off-state.
Second aspect, the utility model embodiment provides a kind of multifrequency antenna, comprise at least two single-band antennas and corresponding phase shifter, wherein, also comprise: the control device of electrically adjusted antenna that the utility model any embodiment provides, each tie rod in described control device is connected with each phase shifter respectively, is used for driving the phase shifter motion.
The control device of electrically adjusted antenna that the utility model embodiment provides and multifrequency antenna, drive the running of drive mechanism spare by a stepping motor, and come the motion of at least two tie rods of switching controls at least by the switch piece of drive mechanism spare and two sub-driving members, thereby control the motion of phase shifter, realized the motion by a plurality of phase shifters of step motor control, can reduce drive mechanism at the space hold of antenna inside, alleviated the weight of antenna and reduced cost.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structure chart of the control device of electrically adjusted antenna of the utility model one embodiment;
Fig. 2 is the structure chart of the control device of electrically adjusted antenna of another embodiment of the utility model;
Fig. 3 is the end view of the control device of electrically adjusted antenna gear closure state of Fig. 2;
Fig. 4 is the end view of the control device of electrically adjusted antenna gear off-state of Fig. 3;
Fig. 5 is the structure chart of the control device of electrically adjusted antenna of the another embodiment of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structure chart of the control device of electrically adjusted antenna of the utility model one embodiment, and as shown in Figure 1, the control device of electrically adjusted antenna of the present embodiment can comprise: control assembly 1, stepping motor 2, drive mechanism spare 3 and be used for driving the tie rod 4 of phase shifter.Particularly, control assembly 1 can be a PCB control board, by this PCB control board, and can be to stepping motor 2 transmitted signals, with the motion of control step motor 2.The quantity of stepping motor 2 is one, and the quantity of tie rod 4 is at least two.Particularly, can utilize a stepping motor 2 to control the motion of at least two tie rods 4, thereby control at least two phase shifter actions, realize the adjusting of antenna tilt.
Drive mechanism spare 3 can comprise switch piece 5 and at least two sub-driving members 6.Particularly, these at least two sub-driving members 6 are separately positioned between the output shaft and each tie rod 4 of stepping motor 2, are used for the rotation of transmission output shaft to drive tie rod 4 motions.
The control device of electrically adjusted antenna that the present embodiment provides drives the running of drive mechanism spare by a stepping motor, and come the motion of at least two tie rods of switching controls at least by the switch piece of drive mechanism spare and two sub-driving members, thereby control the motion of phase shifter, realized the motion by a plurality of phase shifters of step motor control, can reduce drive mechanism at the space hold of antenna inside, alleviated the weight of antenna and reduced cost.
Further, on the basis of above-described embodiment, the control device of electrically adjusted antenna that the present embodiment provides, the sub-driving member of its drive mechanism spare can be spur gear, and is provided with tooth bar on tie rod.Particularly, the engagement that can be complementary with the tooth bar of spur gear of the tooth bar on tie rod, and spur gear can be under the control of switch piece, switches to be connected with different tie rods, and drive different tie rod motions, thereby the adjusting at control phase shifter inclination angle.
Fig. 2 is the structure chart of the control device of electrically adjusted antenna of another embodiment of the utility model.As shown in Figure 2, on the basis of above-described embodiment, the control device of electrically adjusted antenna that the present embodiment provides, its switch piece can comprise: leading screw 7 and at least two solenoids 8.Wherein, the output shaft of leading screw 7 and stepping motor 2 is connected and can synchronizes and rotates, and the outer surface of leading screw 7 is provided with screw thread, and this screw thread can be complementary with the gear teeth as the spur gear of sub-driving member 6, and the spur gear that is used for driving engagement when leading screw 7 rotates rotates; At least two solenoid 8 settings corresponding to each spur gear respectively are used for switching spur gear corresponding to ground absorption and mesh or separate with leading screw 7 under unlatching or off-state.
The below illustrates the operation principle of control device of electrically adjusted antenna of the present utility model with specific embodiment.
The motor shaft of stepping motor 2 directly is connected with the leading screw 7 of switch piece, and this leading screw 7 can be connected with tie rod 4 by spur gear.When rotating under the control of stepping motor 2 at control assembly, leading screw 7 rotates thereupon, and drives the spur gear rotation that is meshed with it; The gear of this rotation drives simultaneously the tie rod 4 that is meshed with it and does rectilinear motion.The rectilinear motion of tie rod 4 can drive the phase shifter action simultaneously, thereby regulates the inclination angle of antenna.
Fig. 3 is the end view of the control device of electrically adjusted antenna gear closure state of Fig. 2; Fig. 4 is the end view of the control device of electrically adjusted antenna gear off-state of Fig. 3.As shown in Figure 3 and Figure 4, the engagement of two spur gears on driving member and leading screw 7 is specifically by controlling with the solenoid 8 of the corresponding setting of each spur gear.Be connected by spring between solenoid 8 and spur gear.In operating state not, also namely in the situation that solenoid 8 outages, the spur gear between spring handle leading screw 7 and tie rod 4 is pushed open, and at this moment, spur gear generally is in directly over the service position, does not mutually contact with tie rod 4 with leading screw 7; When solenoid 8 energising, solenoid 8 can produce magnetic, and spur gear is adsorbed to its service position, and it is meshed with leading screw 7 and tie rod 4, and whole drive system is closed.Work as control assembly, after sending signal as PCB, stepping motor 2 begins to rotate, the process drive system drives with the spur gear of leading screw 7 to engagement and rotates, and then tie rod 4 motions of drive and the engagement of this spur gear, and finally control the action of phase shifter, thereby regulate the inclination angle of antenna.Wherein, the power on/off situation of different solenoids 8 specifically can by control assembly, be controlled as the PCB control board.
The control device of electrically adjusted antenna that the present embodiment provides, control respectively the energising of different coils by control assembly, can realize a tie rod motion that step motor control is different, and then control the inclination angle that different phase shifters moves to regulate antenna, can reduce drive mechanism at the space hold of antenna inside, alleviated the weight of antenna and reduced cost.
Fig. 5 is the structure chart of the control device of electrically adjusted antenna of the another embodiment of the utility model.As shown in Figure 5, on the basis of above-described embodiment, the control device of electrically adjusted antenna that the present embodiment provides, its switch piece can comprise:
Be connected with the output shaft of stepping motor 2 and synchronize the first helical gear 9 that rotates;
At least two the second helical gears 10, respectively with the first helical gear 9 engagements, and setting corresponding to each spur gear, be used for driving the spur gear that meshes when the first helical gear 9 rotates and rotate;
At least two solenoids 8, setting corresponding to each spur gear respectively is used for switching the second helical gear 10 corresponding to ground absorption and meshes or separate with the first helical gear 9 under unlatching or off-state.
Particularly, the first helical gear 9 directly is connected with the output shaft of stepping motor 2, and can rotate with the rotation of stepping motor 2.And the second helical gear 10 can be meshed with the first helical gear 9, and drives the spur gear rotation of setting corresponding to it when the first helical gear 9 rotates, thus tie rod 4 motions of drive and the engagement of commutating tooth roller box.At least two solenoids 8 respectively with the corresponding setting of each second helical gear 10, and can switch the second helical gear 10 corresponding to ground absorption under unlatching or off-state, thereby the state that makes the second helical gear 10 and the first helical gear 9 be in engagement or separate, thereby the second helical gear 10 that is driven engagement by the first helical gear 9 rotates, and then drives the rotation of corresponding spur gear.
The below illustrates the operation principle of control device of electrically adjusted antenna of the present utility model with specific embodiment.
The motor shaft of stepping motor 2 directly is connected with the first helical gear 9 of switch piece, and this first helical gear 9 can be connected with the second helical gear 10.When rotating under the control of stepping motor 2 at control assembly, the first helical gear 9 rotates thereupon, and drives the second helical gear 10 rotations that are meshed with it; The spur gear that the second helical gear 10 of this rotation drives setting corresponding to it simultaneously rotates, and does rectilinear motion thereby drive the tie rod 4 that is meshed with this spur gear.The rectilinear motion of tie rod 4 can drive the phase shifter action simultaneously, thereby regulates the inclination angle of antenna.
Particularly, the engagement of the second helical gear 10 of two on driving member and the first helical gear 9 is specifically by controlling with the solenoid 8 of each the second helical gear 10 corresponding settings.Also be connected with a spur gear between solenoid 8 and the second helical gear 10.When solenoid 8 energising, solenoid 8 can produce magnetic, adsorbs spur gear on the other side, and drives with coaxial the second helical gear 10 that is connected of this spur gear away from its service position, even this second helical gear 10 no longer is meshed with the first helical gear 9 simultaneously.At this moment, this second helical gear 10 can not drive be attached thereto the spur gear rotation that connects and and then drive tie rod 4 motions, namely this second helical gear 10 is in not operating state.In working order, also namely in the situation that solenoid 8 outages, solenoid 8 is pushed spur gear on the other side to stepping motor 2 directions, this spur gear simultaneously will be with it the second helical gear 10 of coaxial connection push stepping motor 2 directions to, and this second helical gear 10 is meshed with the first helical gear 9.Work as control assembly, after sending signal as the PCB control board, stepping motor 2 begins to rotate, at this moment, the first helical gear 9 begins to rotate under the drive of stepping motor 2, and can drive the second helical gear 10 that is engaged with and the spur gear rotation that is connected with this second helical gear 10, and then the tie rod 4 that drive is meshed with this spur gear is done rectilinear motion.The opening and closing of different solenoids 8 is switchably controlled the movement of different tie rods 4, thereby regulates the inclination angle of antenna.
The control device of electrically adjusted antenna that the present embodiment provides, by controlling respectively the opening and closing of different solenoids, can realize a tie rod motion that step motor control is different, and then control the inclination angle that different phase shifters moves to regulate antenna, can reduce drive mechanism at the space hold of antenna inside, alleviated the weight of antenna and reduced cost.
The utility model embodiment again provides a kind of multifrequency antenna, comprises at least two single-band antennas and corresponding phase shifter, also comprises in addition control device of electrically adjusted antenna.Particularly, at least two single-band antennas can be the antenna of different frequency range; The control device of electrically adjusted antenna that this control device of electrically adjusted antenna can provide for the utility model any embodiment, and each tie rod in control device is connected with each phase shifter respectively, is used for driving the phase shifter motion.The structure of the control device of electrically adjusted antenna that this multifrequency antenna is included can referring to the description of other embodiment in literary composition, repeat no more herein.
The multifrequency antenna that the present embodiment provides, its control device of electrically adjusted antenna is controlled respectively the energising of different coils by control assembly, can realize a tie rod motion that step motor control is different, and then control the inclination angle that different phase shifters moves to regulate antenna, can reduce drive mechanism at the space hold of antenna inside, alleviated the weight of antenna and reduced cost.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (5)
1. control device of electrically adjusted antenna comprises control assembly, stepping motor, drive mechanism spare and is used for driving the tie rod of phase shifter, it is characterized in that:
The quantity of described stepping motor is one, and the quantity of described tie rod is at least two;
Described drive mechanism spare comprises:
At least two sub-driving members are separately positioned between the output shaft and each described tie rod of stepping motor, are used for transmitting the rotation of described output shaft to drive described tie rod motion;
Switch piece is arranged between the output shaft of sub-driving member and stepping motor, or is arranged between sub-driving member and tie rod, is used for controlling sub-driving member and is connected with described output shaft or tie rod with switching.
2. control device of electrically adjusted antenna according to claim 1, it is characterized in that: described sub-driving member is spur gear, is provided with tooth bar on described tie rod.
3. control device of electrically adjusted antenna according to claim 2, is characterized in that, described switch piece comprises:
Be connected with the output shaft of described stepping motor and synchronize the leading screw that rotates, the outer surface of described leading screw is provided with screw thread, and the spur gear that is used for driving engagement when described leading screw rotates rotates;
At least two solenoids should arrange with each gear mesh respectively, be used for switching spur gear corresponding to ground absorption and mesh or separate with described leading screw under unlatching or off-state.
4. control device of electrically adjusted antenna according to claim 2, is characterized in that, described switch piece comprises:
Be connected with the output shaft of described stepping motor and synchronize the first helical gear that rotates;
At least two the second helical gears, respectively with described the first helical gear engagement, and with corresponding settings of each described spur gear, be used for driving the spur gear rotation of meshing when described the first helical gear rotates;
At least two solenoids, setting corresponding to each spur gear respectively is used for switching the second helical gear corresponding to ground absorption and meshes or separate with the first helical gear under unlatching or off-state.
5. multifrequency antenna, comprise at least two single-band antennas and corresponding phase shifter, it is characterized in that, also comprise: the arbitrary described control device of electrically adjusted antenna of claim 1-4, each tie rod in described control device is connected with each phase shifter respectively, is used for driving the phase shifter motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742057 CN203026642U (en) | 2012-12-28 | 2012-12-28 | Control device for electronically tunable antenna and multi-band antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742057 CN203026642U (en) | 2012-12-28 | 2012-12-28 | Control device for electronically tunable antenna and multi-band antenna |
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| Publication Number | Publication Date |
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| CN203026642U true CN203026642U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220742057 Expired - Lifetime CN203026642U (en) | 2012-12-28 | 2012-12-28 | Control device for electronically tunable antenna and multi-band antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302137A (en) * | 2016-04-15 | 2017-10-27 | 安弗施无线射频系统（上海）有限公司 | Many long-range electric-regulating device, multi-frequency antenna device and Dual-polarized electricity regulating intelligent antenna devices |
| WO2018137594A1 (en) * | 2017-01-24 | 2018-08-02 | 昆山恩电开通信设备有限公司 | Gear-shift-type multi-path phase-shifter drive transmission device |
| CN109768391A (en) * | 2018-12-29 | 2019-05-17 | 京信通信技术(广州)有限公司 | Antenna, the display system of antenna lower decline angle and its transmission mechanism |
| US10581163B2 (en) | 2016-06-15 | 2020-03-03 | Commscope Technologies Llc | Actuators for controlling multiple phase shifters of remote electronic downtilt base station antennas |
| WO2024001868A1 (en) * | 2022-06-29 | 2024-01-04 | 中兴通讯股份有限公司 | Phase shifter driving device, remote electrical tilt antenna and system, phase modulation method for phase shifter, and storage medium |
-
2012
- 2012-12-28 CN CN 201220742057 patent/CN203026642U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302137A (en) * | 2016-04-15 | 2017-10-27 | 安弗施无线射频系统（上海）有限公司 | Many long-range electric-regulating device, multi-frequency antenna device and Dual-polarized electricity regulating intelligent antenna devices |
| US10581163B2 (en) | 2016-06-15 | 2020-03-03 | Commscope Technologies Llc | Actuators for controlling multiple phase shifters of remote electronic downtilt base station antennas |
| US11575201B2 (en) | 2016-06-15 | 2023-02-07 | Commscope Technologies Llc | Actuators for controlling multiple phase shifters of remote electronic downtilt base station antennas |
| WO2018137594A1 (en) * | 2017-01-24 | 2018-08-02 | 昆山恩电开通信设备有限公司 | Gear-shift-type multi-path phase-shifter drive transmission device |
| CN109768391A (en) * | 2018-12-29 | 2019-05-17 | 京信通信技术(广州)有限公司 | Antenna, the display system of antenna lower decline angle and its transmission mechanism |
| WO2024001868A1 (en) * | 2022-06-29 | 2024-01-04 | 中兴通讯股份有限公司 | Phase shifter driving device, remote electrical tilt antenna and system, phase modulation method for phase shifter, and storage medium |
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Granted publication date: 20130626 |
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| CX01 | Expiry of patent term |