CN103700944B - A kind of antenna and the adjusting means of lower decline angle thereof - Google Patents
A kind of antenna and the adjusting means of lower decline angle thereof Download PDFInfo
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- CN103700944B CN103700944B CN201310752796.1A CN201310752796A CN103700944B CN 103700944 B CN103700944 B CN 103700944B CN 201310752796 A CN201310752796 A CN 201310752796A CN 103700944 B CN103700944 B CN 103700944B
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Abstract
The present invention provides the adjusting means of a kind of antenna and lower decline angle thereof.This adjusting means includes that electricity adjusts unit, the first transmission mechanism, pull bar, the second transmission mechanism, potentiometer and phase shifter, wherein the first transmission mechanism adjusts unit and pull bar to be mechanically connected with electricity respectively, so that electricity to be adjusted convert rotational motion that unit the exports linear motion as pull bar；Second transmission mechanism is mechanically connected with pull bar and phase shifter, so that the linear motion of pull bar is driven to phase shifter respectively；Potentiometer is directly mechanically connected with pull bar, and adjusts unit to electrically connect with electricity, so that electricity adjusts unit to receive the resistance value that potentiometer records, and adjusts the anglec of rotation of unit according to the relation regulation electricity of resistance value with antenna lower decline angle.By the way, the present invention can realize the regulation to antenna lower decline angle with the adjusting means that structure is simpler, and cost is relatively low, can reduce driving error during regulation simultaneously, improves the degree of regulation of antenna lower decline angle.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the tune of a kind of antenna and lower decline angle thereof
Regulating device.
Background technology
The all types of communication antenna such as antenna for base station operationally typically requires relative to horizontal alignment
The angle that lower inclination is certain, this angle is referred to as Downtilt or the angle of depression, by regulating this angle of declination
The radiation effect of antenna, i.e. coverage can be directly affected.Regulation master to Downtilt at present
Having mechanical angle of declination and lower decline angle two ways, wherein lower decline angle can be by remotely electricity regulation and control
System, low cost, the most increasingly it is widely applied.
The adjusting means of a kind of lower decline angle of prior art includes the phase shift of portable antenna angle of declination
Device, provide the electricity of final power to adjust unit for phase shifter, the convert rotational motion that electricity adjusts unit is
First transmission mechanism of linear motion, final the second transmission mechanism driving phase shifter motion and company
Connect the first transmission mechanism and the pull bar of the second transmission mechanism.In order to accurately record the motion of phase shifter,
It is being provided with, at the second transmission mechanism of phase shifter, the rotation being connected with the second transmission mechanism
Potentiometer, the resistance value that rotational potentiometer is recorded feed back to electricity adjust unit, electricity adjust unit according to
The anglec of rotation of resistance value adjusting self, antenna lower decline angle is transferred to correct position the most at last.But it is real
On border, so that rotational potentiometer can be connected with the second transmission mechanism, the second transmission mechanism needs
Increase the travelling gear engaged with rotational potentiometer.The most not only make the second transmission mechanism the most multiple
Miscellaneous, but also cause it to pass between the motion of phase shifter and the motion passing to rotational potentiometer
Having the biggest error, the resistance value causing rotational potentiometer to record can not reflect phase shifter exactly
Motion so that the alignment error of antenna lower decline angle is the biggest.The generally regulation model of antenna lower decline angle
Enclosing is 0～14 degree, and uses regulation error during this adjusting means to be ± 0.5 degree.
It addition, the hand adjustment part of the adjusting means of current antenna lower decline angle mainly includes regulating spiral shell
Bar, scale and sliding shoe.The afterbody of pull bar is set to " Y " shape, one end of sliding shoe and regulation
Screw slide connects, and the other end is fixing with pull bar afterbody wherein side to be connected, and rotating adjusting screw rod can
To drive pull bar to move back and forth.Scale is fixing with the opposite side of pull bar afterbody to be connected, and scale identifies
There is scale, with the angle of declination numerical value of real-time vision-control screw rod regulation.Visible, existing regulation dress
The hand adjustment part put includes the parts such as adjusting screw rod, scale and slide block, and amount of parts is many, and
Component structural is complicated, such as pull bar.
Summary of the invention
In consideration of it, the present invention provides the adjusting means of a kind of antenna and lower decline angle thereof, it is possible to knot
The simpler adjusting means of structure realizes the regulation to antenna lower decline angle, and cost is relatively low, subtracts simultaneously
Few driving error, improves the degree of regulation of antenna lower decline angle.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of sky
The adjusting means of line lower decline angle, adjusts unit, the first transmission mechanism, pull bar, the second biography including electricity
Motivation structure, potentiometer and phase shifter, wherein: the input of the first transmission mechanism adjusts unit machine with electricity
Tool connects, and the output of the first transmission mechanism is connected with one end of pull bar, to adjust unit to export electricity
The linear motion that convert rotational motion is pull bar；The input of the second transmission mechanism is another with pull bar
One end connects, and the output of the second transmission mechanism connects with the phase shifter of adjustable antenna lower decline angle
Connect, so that the linear motion of pull bar is driven to phase shifter；Potentiometer is directly mechanically connected with pull bar,
And adjust unit to electrically connect with electricity, so that the resistance value that electricity tune unit acquisition potentiometer records, and according to
Resistance value regulates the electric anglec of rotation adjusting unit with the relation of antenna lower decline angle.
Wherein, electricity adjusts unit to include motor and the first gear being arranged on the output shaft of motor,
First transmission mechanism includes the power transmission shaft being perpendicular to output shaft, the second tooth being fixed on power transmission shaft
Wheel, the 3rd gear and be parallel to the first tooth bar of output shaft, the second gear and the engagement of the first gear,
So that the power of motor to introduce the first transmission mechanism, the first tooth bar is connected with pull bar, and the 3rd gear
Engage with the first tooth bar, drive to pull bar with the linear motion by the first transmission mechanism output.
Wherein, the second gear, the 3rd gear and power transmission shaft are one-body molded.
Wherein, adjusting means also includes that being connected to electricity adjusts horizontal support and the end at the axial two ends of unit
Plate, horizontal support supports the output shaft of motor, and is provided with the through hole passed for the first tooth bar.
Wherein, adjusting means farther includes scale, one end of scale and the other end of the first tooth bar
Connecting, move along a straight line with shackle rod, the other end of scale exposes end plate, and scale is provided with
For indicating the graduation mark of antenna lower decline angle.
Wherein, potentiometer is linear potentiometer and includes moving part, and moving part is fixing with pull bar to be connected,
Adjust what unit obtained moving part and potentiometer to adjust unit to be electrically connected with electricity with the electricity when pull bar moves along a straight line
Resistance value between the one end connect.
Wherein, electricity adjusts unit and potentiometer to realize electrical connection by APS cable.
Wherein, adjusting means also includes that the other end with pull bar fixes the second tooth bar being connected, pull bar
By the second tooth bar by its motion transmission to the second transmission mechanism.
Wherein, the second transmission mechanism includes the 4th gear, and phase shifter includes the 3rd tooth bar, the 4th tooth
Wheel is stepped gear, including the little gear segment engaged with the second tooth bar, and engages with the 3rd tooth bar
Gear wheel section.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provide one
Antenna, including the adjusting means of above-mentioned antenna lower decline angle.
The invention has the beneficial effects as follows: the adjusting means of the antenna lower decline angle of the present invention, with existing
Technology is compared, and potentiometer is directly mechanically connected with pull bar, and the second transmission mechanism is without arranging and current potential
The mediation member that device connects, structure is the simplest.Simultaneously as decrease pull bar and potentiometer
Between drive mechanism and mediation member produced by driving error, the electricity that therefore potentiometer records
Resistance is more accurate, so that electricity tune unit can be right according to the more accurate resistance value obtained
The anglec of rotation of self is done and is more accurately controlled, and the degree of regulation of antenna lower decline angle is the most smart
Really.
Accompanying drawing explanation
Fig. 1 is the structural representation of the adjusting means of the antenna lower decline angle of first embodiment of the invention
Figure；
Fig. 2 is the structure of the preferred embodiment that electricity shown in Fig. 1 adjusts unit and the first transmission mechanism to coordinate
Enlarged drawing；
Fig. 3 is the internal junction of the preferred embodiment of phase shifter shown in Fig. 1 and the cooperation of the second transmission mechanism
Composition.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and technique effect clearer, below in conjunction with the accompanying drawings
1～3 pair of embodiments of the invention makees detailed description further.
Fig. 1 is the structural representation of the adjusting means of the antenna lower decline angle of first embodiment of the invention
Figure.As it is shown in figure 1, the adjusting means of the present embodiment includes: electricity adjusts unit the 11, first driver
Structure 12, pull bar 13, potentiometer 14, phase shifter 15, horizontal support the 16, second transmission mechanism
17, end plate 18 and scale 19.
Wherein, electricity adjusts unit 11 to electrically connect with potentiometer 14, in actual application scenarios, and this reality
Executing example the most between the two by APS(Active Pro-Safety, disposition) cable L is in fact
Now electrically connect.Electricity adjusts the input of unit 11 and the first transmission mechanism 12 to be mechanically connected, and first passes
The output of motivation structure 12 is connected with one end of pull bar 13, with by pull bar 13 and potentiometer 14
Being mechanically connected, the first transmission mechanism 12 passes through the other end and second transmission mechanism of pull bar 13 simultaneously
The input of 17 is mechanically connected, the output of the second transmission mechanism 17 and adjustable antenna electrical down-tilting
The phase shifter 15 at angle connects, and the linear motion of pull bar 13 is driven to phase shifter 15, realizes with this
First transmission mechanism 12 is by pull bar 13 transmission the second transmission mechanism the 17, second transmission mechanism 17
Transmission phase shifter 15, thus realize the first transmission mechanism 12 by pull bar 13 and phase shifter 15
It is mechanically connected.
Potentiometer 14 is linear potentiometer, and it includes moving part 141 and fixed part 142, moving part
141 are connected by the modes such as pin are fixing with pull bar 13, to move when pull bar 13 moves along a straight line
Straight line back and forth movement can do along direction, pull bar 13 place on fixed part 142 in portion 141.Need
Bright, potentiometer 14 can be also rotating potentiometer in other embodiments, only need to meet it
It is arranged on the base plate 20 of antenna and by pull bar 13 direct-drive.
Horizontal support 16 and end plate 18 are connected to electricity and adjust the axial two ends of unit 11.The most fixing
On the base plate 20 of antenna, i.e. it is vertically arranged with direction, pull bar 13 place, and horizontal support 16
It is provided with through hole 161.
End plate 18 is arranged at one end of the base plate 20 of antenna, and scale 19 exposes through end plate 18, and
It is provided with the graduation mark for indicating antenna lower decline angle on scale 19, thus allows user from end
Plate 18 is outside by pulling scale 19 to regulate antenna lower decline angle.In concrete application scenarios,
Pulling scale 19 for the convenience of the user, the preferred scale of the present embodiment 19 sets through one end that end plate 18 exposes
It is equipped with draw ring 191.
Fig. 2 is the preferred embodiment that electricity shown in Fig. 1 adjusts that unit 11 and the first transmission mechanism 12 coordinate
Schematic enlarged-scale view.Incorporated by reference to shown in Fig. 1 and Fig. 2, electricity adjust unit 11 include motor 111 and
The first gear 113 being arranged on the output shaft 112 of motor 111, the first transmission mechanism 12 includes
First bearing the 121, second bearing 122, power transmission shaft the 123, second gear the 124, the 3rd gear 125
And first tooth bar 126.
Wherein, motor 111 is fixed on horizontal support 16, and output shaft 112 wears and is fixed on horizontal stroke
In support 16, so that horizontal support 16 supports the output shaft 112 of motor 111.Second gear
124 and the 3rd gear 125 be fixed on power transmission shaft 123, and the second gear 124 and the first gear
113 engage each other.Power transmission shaft 123 is vertical with output shaft 112, and rotational support is in the first bearing
121 and second on bearing 122, and arranges and the first tooth bar with horizontal support 16 parallel interval
126 is perpendicular.First tooth bar 126 is arranged in through hole 161, and mutual with the 3rd gear 125
Engagement, one end of the first tooth bar 126 is connected with pull bar 13 simultaneously, with by the first transmission mechanism 12
The linear motion of output drives to pull bar 13, the other end of the first tooth bar 126 and the one of scale 19
End connects.
In the present embodiment, the preferably second gear the 124, the 3rd gear 125 and power transmission shaft 123 1
Body formed.Certainly, in other embodiments, three can be separate molding structure.Separately
Outward, those skilled in the art can carry out other according to actual needs and arrange the first drive mechanism 12,
First bearing 121 is the most only set, and is not provided with the second bearing 122, accordingly, Fig. 2 is only set
Shown power transmission shaft 123 and the half of the 3rd gear 125, now need power transmission shaft 123 to have relatively
High rigidity, with guarantee when rotating that power transmission shaft 123 is provided with one end of the 3rd gear 125 will not
Have a down dip towards the base plate 20 of antenna.Further, those skilled in the art can also the first tooth bar
126 is symmetrical, arranges and the second gear 124 on the power transmission shaft 123 of the second bearing 122 side
Identical gear, is arranged in correspondence with adjusting the completely identical in structure electricity of unit 11 to adjust single with electricity
Unit.
Fig. 3 is phase shifter 15 shown in Fig. 1 and the preferred embodiment of the second transmission mechanism 17 cooperation
Cut-away view.Incorporated by reference to shown in Fig. 1 and Fig. 3, the adjusting means of the present embodiment also includes second
Tooth bar 151, phase shifter 15 includes that the 3rd tooth bar (not shown), the second transmission mechanism 17 include
Four gears 171, the 4th gear 171 is stepped gear, including little gear segment 171a and gear wheel section
171b。
Wherein, the second tooth bar 151 is connected with the other end of pull bar 13, with the transmission at pull bar 13
Under move along a straight line.Little gear segment 171a and second tooth bar 151 of the 4th gear 171 engage, and
Gear wheel section 171b of the 4th gear 171 and the engagement of the 3rd tooth bar, realize the second tooth bar 151 with this
Drive pinion section 171a, gear wheel section 171b that little gear segment 171a transmission is coaxial therewith, greatly
Gear segment 171b transmission the 3rd tooth bar, and by the 3rd tooth bar and mobile Jie within phase shifter 15
The angle of declination of confrontation antenna is adjusted.
Operation principle and the process of the adjusting means of the present invention is introduced below in conjunction with said structure:
When regulating antenna lower decline angle, electricity adjusts unit 11 to start according to the control instruction received
Motor 111, with by output shaft 112 transmission the first gear 113, the first gear 113 transmission second
Gear 124, the second gear 124 drives power transmission shaft 123 to rotate, with this transmission the 3rd gear 125,
3rd gear 125 transmission the first tooth bar 126 moves along a straight line, thus realizes the first transmission mechanism 12
The convert rotational motion that electricity is adjusted unit 11 is linear motion, and is passed by pull bar 13 transmission second
Motivation structure 17, the second transmission mechanism 17 transmission phase shifter 15, by phase shifter 15 change with
The lower decline angle of its antenna connected, electricity adjusts unit 11 by pull bar 13 transmission electricity in the process
Position device 14 and phase shifter 15 are synchronized with the movement.
While pull bar 13 moves along a straight line, electricity adjust unit 11 by with being electrically connected of potentiometer 14
Connect, obtain the resistance value of potentiometer 14, and adjust according to the relation of resistance value with antenna lower decline angle
Economize on electricity adjusts unit 11 to control the anglec of rotation of the first gear 113.Specifically:
Referring to Fig. 1 and Fig. 2, the moving part 141 of potentiometer 14 is in the transmission of pull bar 13
Lower mobile time, electricity adjusts unit 11 to apply changeless voltage to potentiometer 14, and electric current flows through electricity
During the device 14 of position, a change in location with moving part 141 can be detected by APS cable L
And the voltage changed, due to the potentiometer 14 consumption to voltage, the voltage of therefore actual output and
Resistance value is not in line ratio, but according to being similar to the change of hyperbola rule.Now,
The voltage of output is carried out analog-to-digital conversion and through controlling the process of calculation procedure, reality can be made
The voltage of output and resistance value are reduced to the property change of straight line rule, say, that if moving part
141 and potentiometer 14 adjust with electricity resistance value between one end of electrically connecting of unit 11 from R1 to
R2 changes, and the lower decline angle of phase shifter 15 is degree change from 0 to N, then k*(R2-R1)/N
Being exactly that lower decline angle often changes resistance value corresponding when 1 °, wherein k is proportionality coefficient, and it is control
Calculation procedure processed is by the known constant calculated.
When phase shifter 15 regulates lower decline angle to the predetermined angular needed, control electricity and adjust unit 11
Close motor 111, thus synchronize to stop fortune by pull bar 13 transmission potentiometer 14 and phase shifter 15
Dynamic, adjust the Pattern completion regulation to antenna lower decline angle with this by above-mentioned electricity.
It should be noted that the adjusting means of the present invention is applicable not only to above-mentioned electricity mode transfer formula, the suitableeest
The regulation to antenna lower decline angle is completed, specifically for manually shaping modes:
User can be by draw ring 191 direct pull or promotion scale 19, to provide power directly to drive
First tooth bar 126 moves along a straight line, and passes through pull bar 13 transmission the second transmission mechanism 17, and second
Transmission mechanism 17 transmission phase shifter 15, changes the electricity of connected antenna by phase shifter 15
Angle of declination.If scale 19 being drawn to appointment position corresponding to predetermined antenna lower decline angle (carve
Degree line), now phase shifter 15 synchronizing moving is to the position of its correspondence, the moving part of potentiometer 14
141 positions that also can move to its correspondence, electricity adjusts unit 11 can obtain electricity by APS cable
The resistance value of position device 14, thus judge, according to this resistance value, the antenna lower decline angle that scale 19 shows
The reading of angle the most consistent with the angle of actual lower decline angle, if consistent, illustrate to be successfully completed
Regulation to antenna lower decline angle.
In sum, electricity is mainly adjusted single by the first transmission mechanism 12 by the adjusting means of the present invention
The convert rotational motion of unit 11 is linear motion, and by pull bar 13 transmission potentiometer 14 and phase shift
Device 15 is synchronized with the movement, and to change antenna lower decline angle by phase shifter 15, is adjusted by electricity simultaneously
Unit 11 and the electrical connection of potentiometer 14, obtain the resistance value of potentiometer 14, and according to resistance
Value regulates the electric anglec of rotation adjusting unit 11 with the relation of antenna lower decline angle, thus realizes sky
The regulation of line lower decline angle.
Being compared to prior art, the potentiometer 14 of the present invention is installed on the base plate 20 of antenna,
Rather than be installed on the drive mechanism (that is, the second transmission mechanism 17) of transmission phase shifter 15,
And potentiometer 14 is directly by pull bar 13 transmission, it is not necessary to prior art is taked and phase shifter 15
And second three gear arranged between transmission mechanism 17, pull bar 13 and the second transmission mechanism simultaneously
It is directly connected between 17, and is provided without mediation member, therefore when regulation it can be avoided that existing skill
Driving error between mediation member and pull bar 13 and second transmission mechanism 17 of art and three
Driving error between gear so that the resistance value that potentiometer 14 records is more accurate, so that
Obtain the more accurate resistance value rotation to self according to the potentiometer 14 obtained of the electric tune unit 11
Angle does more precise control, improves the degree of regulation of antenna lower decline angle.In actual applications,
The degree of regulation of the adjusting means of the antenna lower decline angle of the present invention can reach ± 0.1 degree, compares
Prior art ± 0.5 degree, precision is greatly improved.
It addition, the adjusting means of the present invention is when manual adjustment mode, user's direct pull scale 19
, it is not necessary to adjusting screw rod of the prior art, not only reduce the number of the parts of adjusting means
Amount, and the pull bar being originally connected with adjusting screw rod can make vertical bar shape, and structure is simpler,
So that the cost of adjusting means is relatively low.
The present invention also provides for a kind of antenna, and this antenna includes the adjusting means of above-described embodiment, therefore
This antenna can reach the beneficial effect identical with above-mentioned adjusting means.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention,
Every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion, example
Such as the be combineding with each other of technical characteristic between each embodiment, or it is relevant to be directly or indirectly used in other
Technical field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (9)
1. the adjusting means of an antenna lower decline angle, it is characterised in that described adjusting means includes
Electricity adjusts unit, the first transmission mechanism, pull bar, the second transmission mechanism, potentiometer and phase shifter,
Wherein:
The input of described first transmission mechanism adjusts unit to be mechanically connected with described electricity, and described first passes
The output of motivation structure is connected with one end of pull bar, so that described electricity to be adjusted the rotary motion of unit output
Being converted into the linear motion of described pull bar, wherein, described electricity adjusts unit include motor and be arranged at
The first gear on the output shaft of described motor, described first transmission mechanism includes being perpendicular to described defeated
The power transmission shaft of shaft, the second gear being fixed on described power transmission shaft, the 3rd gear and be parallel to
First tooth bar of described output shaft, described second gear and described first gear engagement, with by described
The power of motor introduces described first transmission mechanism, and one end of described first tooth bar is with described pull bar even
Connecing, described 3rd gear engages with described first tooth bar, with by described first transmission mechanism output
Linear motion drives to described pull bar；
The input of described second transmission mechanism is connected with the other end of described pull bar, and described second passes
The output of motivation structure is connected with the described phase shifter of adjustable described antenna lower decline angle, with by institute
The linear motion stating pull bar drives to described phase shifter；
Described potentiometer is directly mechanically connected with described pull bar, and adjusts unit to electrically connect with described electricity,
So that described electricity adjusts unit to obtain the resistance value that records of described potentiometer, and according to described resistance value with
The described electricity of relation regulation of described antenna lower decline angle adjusts the anglec of rotation of unit.
Adjusting means the most according to claim 1, it is characterised in that described second gear,
Described 3rd gear and described power transmission shaft are one-body molded.
Adjusting means the most according to claim 1, it is characterised in that described adjusting means is also
Including being connected to the described electric horizontal support adjusting the axial two ends of unit and end plate, described horizontal support props up
Support the output shaft of described motor, and be provided with the through hole passed for described first tooth bar.
Adjusting means the most according to claim 3, it is characterised in that described adjusting means is entered
One step includes that scale, one end of described scale are connected with the other end of described first tooth bar, with transmission
Described pull bar moves along a straight line, and the other end of described scale exposes described end plate, and described scale sets
It is equipped with the graduation mark for indicating described antenna lower decline angle.
Adjusting means the most according to claim 4, it is characterised in that described potentiometer is straight
Line potentiometer and include moving part, described moving part is fixing with described pull bar to be connected, to draw described
During bar linear motion, described electricity adjusts unit that obtain described moving part and described potentiometer with described electricity
Adjusting the resistance value between one end of unit electrical connection, wherein, described moving part is in the biography of described pull bar
Time dynamic lower mobile, the electricity that described electricity is adjusted unit the change in location with described moving part to be detected and changed
Pressure, described electricity adjusts unit to change according to the straight line regularity between the voltage obtained in advance and resistance value
Relation, obtains described resistance value.
Adjusting means the most according to claim 1, it is characterised in that described electricity adjust unit and
Described potentiometer realizes electrical connection by APS cable.
Adjusting means the most according to claim 1, it is characterised in that described adjusting means is also
Fixing, including with the other end of described pull bar, the second tooth bar being connected, described pull bar passes through described second
Tooth bar is by its motion transmission to described second transmission mechanism.
Adjusting means the most according to claim 7, it is characterised in that described second driver
Structure includes that the 4th gear, described phase shifter include the 3rd tooth bar, and described 4th gear is stepped gear,
Including the little gear segment engaged with described second tooth bar, and the canine tooth engaged with described 3rd tooth bar
Wheel section.
9. an antenna, it is characterised in that described antenna includes claim 1～8 any one institute
The adjusting means of the antenna lower decline angle stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752796.1A CN103700944B (en) | 2013-12-31 | 2013-12-31 | A kind of antenna and the adjusting means of lower decline angle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752796.1A CN103700944B (en) | 2013-12-31 | 2013-12-31 | A kind of antenna and the adjusting means of lower decline angle thereof |
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| Publication Number | Publication Date |
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| CN103700944A CN103700944A (en) | 2014-04-02 |
| CN103700944B true CN103700944B (en) | 2016-08-24 |
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| CN201310752796.1A Active CN103700944B (en) | 2013-12-31 | 2013-12-31 | A kind of antenna and the adjusting means of lower decline angle thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229684B (en) * | 2016-08-29 | 2023-08-08 | 广东通宇通讯股份有限公司 | Antenna transmission device and antenna |
| CN109997275B (en) * | 2016-12-01 | 2021-04-09 | 华为技术有限公司 | Antenna tilt angle driver |
| CN110462927B (en) * | 2017-03-31 | 2021-09-14 | 华为技术有限公司 | Antenna downward inclination angle adjusting device and communication equipment |
| CN109216925B (en) * | 2018-10-11 | 2023-08-04 | 广东盛路通信科技股份有限公司 | Transmission device for electric downtilt angle adjustment of antenna |
| CN117353026A (en) * | 2022-06-29 | 2024-01-05 | 中兴通讯股份有限公司 | Phase shifter driving mechanism, electrically tunable antenna, system and phase modulation method |
| CN116073583B (en) * | 2023-03-07 | 2023-07-14 | 中兴通讯股份有限公司 | Electric tuning antenna downward inclination angle adjusting device and electric tuning antenna system |
| CN117335150B (en) * | 2023-11-24 | 2024-05-10 | 广东中昱通信有限公司 | 5G antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11308006A (en) * | 1998-04-20 | 1999-11-05 | Mitsubishi Electric Corp | Phase shifter |
| JP2000196302A (en) * | 1998-12-25 | 2000-07-14 | Sumitomo Electric Ind Ltd | Variable distribution phase shifter |
| CN102142610A (en) * | 2010-12-21 | 2011-08-03 | 西安海天天线科技股份有限公司 | Built-in electric drive device of mobile communication electric-tuning base station antenna |
| CN203813028U (en) * | 2013-12-31 | 2014-09-03 | 苏州市大富通信技术有限公司 | Antenna and device adjusting electrical declination angle of the antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474774B (en) * | 2012-06-08 | 2018-01-26 | 罗森伯格（上海）通信技术有限公司 | A kind of antenna for base station lower decline angle adjusting apparatus and method |
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2013
- 2013-12-31 CN CN201310752796.1A patent/CN103700944B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11308006A (en) * | 1998-04-20 | 1999-11-05 | Mitsubishi Electric Corp | Phase shifter |
| JP2000196302A (en) * | 1998-12-25 | 2000-07-14 | Sumitomo Electric Ind Ltd | Variable distribution phase shifter |
| CN102142610A (en) * | 2010-12-21 | 2011-08-03 | 西安海天天线科技股份有限公司 | Built-in electric drive device of mobile communication electric-tuning base station antenna |
| CN203813028U (en) * | 2013-12-31 | 2014-09-03 | 苏州市大富通信技术有限公司 | Antenna and device adjusting electrical declination angle of the antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103700944A (en) | 2014-04-02 |
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