CN207800918U - The phase adjusting device of antenna and its phase shifter - Google Patents
The phase adjusting device of antenna and its phase shifter Download PDFInfo
- Publication number
- CN207800918U CN207800918U CN201721928048.4U CN201721928048U CN207800918U CN 207800918 U CN207800918 U CN 207800918U CN 201721928048 U CN201721928048 U CN 201721928048U CN 207800918 U CN207800918 U CN 207800918U
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- CN
- China
- Prior art keywords
- nut
- external thread
- adjusting device
- phase
- phase adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of antenna and its phase adjusting devices of phase shifter, the phase adjusting device of the phase shifter, the transmission shaft being connect including output shaft and with one end fixed conveyor of the output shaft, the transmission shaft is equipped at least two sections of external thread structures, all external thread structures are arranged along the axis direction interval of the transmission shaft, the helical pitch of at least two sections external thread structures is different, all external thread structures are equipped with nut, the nut is connected with corresponding external thread structure spiral, and the nut is equipped with mounting portion.The phase adjusting device of the antenna and its phase shifter assigns at least two distributed phase shifters different amount of phase shift, is convenient for the optimization design of elevation radiation patytern by a set of drive system.
Description
Technical field
The utility model is related to technical field of communication equipment, more particularly to the phase adjusted of a kind of antenna and its phase shifter
Device.
Background technology
With the fast development of mobile communication, communication electromagnetism environment is increasingly sophisticated at present, also increasingly to antenna index request
It improves, such as Sidelobe Suppression on antenna.Important component of the electrical tilt antenna as mobile communications network construction needs to take into account entire
Electricity adjusts the upper Sidelobe Suppression index within the scope of inclination angle.
Multiport phase shifter is the core component that electrical tilt antenna effectively inhibits upper secondary lobe index, and port number is single with radiation
When first number corresponds, the design flexibility bigger of antennas orthogonal face figuration is also easier to design the outstanding figuration of index
Directional diagram.Consider currently based on optimization elevation radiation patytern, multiple and different phase shifters is needed to generate different amount of phase shift, it is traditional
Drive technology can not solve, and can only adjust feeding network, and design difficulty increases.
Invention content
Based on this, it is necessary to provide the phase adjusting device of a kind of antenna and its phase shifter, pass through a set of drive system, assign
The different amount of phase shift of at least two distributed phase shifters is given, the optimization design of elevation radiation patytern is convenient for.
Its technical solution is as follows：
On the one hand, the embodiments of the present invention provide a kind of phase adjusting device of phase shifter, including output shaft and
The transmission shaft being connect with one end fixed conveyor of the output shaft, the transmission shaft are equipped at least two sections of external thread structures, own
The external thread structure is arranged along the axis direction interval of the transmission shaft, and the helical pitch of at least two sections external thread structures is not
Together, all external thread structures are equipped with nut, and the nut is connected with corresponding external thread structure spiral, and the nut is set
There is mounting portion.
When above-mentioned phase adjusting device is applied to the phase adjusted of phase shifter, one end of output shaft and the output end of motor
Connection, the other end are equipped with the transmission shaft, which is connect by mounting portion with parts such as pull rod, scales, thus nut by with
Its pull rod connected or scale and the support clip of binding bar or scale movement locus influence can only be along the outer of the transmission shaft
The axis tandem of helicitic texture moves, and cannot be rotated around external thread mechanism, and then can be drawn by the movement of nut to drive
The telescopic moving of bar or scale, thus can be driven by a motor, being adjusted for same rotating speed is synchronized, realizes at least two
The synchronous adjustment of the different amount of phase shift of a distributed phase shifters is convenient for the optimization design of elevation radiation patytern.
Technical solution is illustrated further below：
The transmission shaft is docked by the screw rod of at least two different leads and is constituted in one of the embodiments, described
Screw rod is equipped with the external thread structure.Convenient for controlling the accuracy of manufacture of external thread structure, and it can flexibly select the spiral shell of different lead
Bar is combined to form required transmission shaft.
Drive connection is fixed by shaft coupling between the two neighboring screw rod in one of the embodiments,.Profit
Screw rod with shaft coupling convenient for installation and dismounting and change, more flexible selection different lead between two neighboring screw rod carries out group
The transmission shaft needed for being formed is closed, while the axis aligning accuracy of the two can be met.
In one of the embodiments, connecting shaft, one end of the connecting shaft are additionally provided between the two neighboring screw rod
And a corresponding screw rod fixed conveyor connection, the other end with another corresponding described screw rod fixed conveyor by connecting
It connects.And then utilize the connecting shaft, the axial spacing being conveniently adjusted between two adjacent screws.
Transmission is fixed by shaft coupling between the output shaft and the transmission shaft in one of the embodiments, to connect
It connects.It is easy to implement installation and dismounting and change between output shaft and transmission shaft using shaft coupling, while the axis of the two can be met
Line aligning accuracy.
The mounting portion protrusion is set to the lateral wall of the nut in one of the embodiments,.
Stagger setting circumferentially from one another between the mounting portion of all nuts in one of the embodiments,.And then it keeps away
Exempt from that movement interference occurs and damages between multiple phase shifters.
Any one of external thread structure is equipped with stop assembly, the stop assembly in one of the embodiments,
The locating part at the both ends for being arranged at intervals at the external thread structure including two, the nut be set to two locating parts it
Between and the nut can with the locating part rotation stop limit coordinate.And then nut can be controlled in screw rod using stop assembly
On stroke distances, realize the limit of the amount of phase shift of phase shifter.
At least one locating part is adjustable in the position of corresponding external thread structure in one of the embodiments,；Institute
The end for stating locating part is equipped with the first limit protrusion outwardly protruded, and the end of the nut is equipped with and first limit protrusion
Second limit protrusion of rotation stop limit cooperation.And then realize that nut is differently formed the tune of distance using the adjustable locating part in position
It is whole；Coordinated simultaneously using the first limit protrusion and the second limit protrusion limit rotation stop, avoids the external thread structure and nut of screw rod
Internal thread structure be stressed directly, cause to wear or damage, improve the service life of the transmission cooperation of screw rod and nut.
On the other hand, a kind of antenna, including above-mentioned phase adjusting device are additionally provided in the embodiments of the present invention,
Further include connecting with the mounting portion fixed conveyor with the one-to-one phase shifter of the nut, the phase driven part of the phase shifter
It connects.
The antenna uses Such phase regulating device, convenient for by a set of drive system, it is distributed to assign at least two
The different amount of phase shift of phase shifter, the elevation radiation patytern being easily obtained after optimization.
Description of the drawings
Fig. 1 is the structural schematic diagram of the phase adjusting device of phase shifter described in the utility model；
Fig. 2 is the stop component diagram on screw rod.
Reference sign：
100, output shaft, 200, transmission shaft, 210, screw rod, 212, external thread structure, 220, stop component, 221, limit
Part, the 202, first limit protrusion, 300, nut, 310, mounting portion, the 320, second limit protrusion, 400, shaft coupling, 500, connection
Axis, 20, phase shifter, 21, pull rod.
Specific implementation mode
It is below in conjunction with attached drawing and specifically real to make the purpose of this utility model, technical solution and advantage be more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the scope of protection of the utility model is not limited.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Further, when an element is considered as that " fixed conveyor connects
Connect " another element, the two can be the fixation of detachable connection, the fixation that can not also be detachably connected, such as socket,
Clamping is integrally formed and fixes, welds etc., may be implemented in the prior art, no longer burdensome herein.Term as used herein
" vertically ", " horizontal ", "left", "right" and similar statement for illustrative purposes only, are not offered as being unique
Embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more relevant Listed Items.
" first " described in the utility model, " second " do not represent specific quantity and sequence, are only used for title
It distinguishes.
As shown in Figure 1, providing a kind of phase adjusting device of phase shifter, including output shaft in the embodiments of the present invention
100 and the transmission shaft 200 that is connect with one end fixed conveyor of output shaft 100, transmission shaft 200 be equipped at least two sections of external screw threads
Structure 212, all external thread structures 212 are arranged along the axis direction interval of transmission shaft 200, at least two sections of external thread structures 212
Helical pitch it is different, all external thread structures 212 are equipped with nut 300, nut 300 and 212 spiral of corresponding external thread structure company
It connects, nut 300 is equipped with mounting portion 310.
When above-mentioned phase adjusting device is applied to the phase adjusted of phase shifter 20, one end of output shaft 100 and motor
Output end connects, and the other end is equipped with transmission shaft 200, which is connect by mounting portion 310 with parts such as pull rod 21, scales,
Thus influenced by pull rod 21 connected to it or scale and the support clip of binding bar 21 or scale movement locus can only for nut 300
It moves, cannot be rotated around external thread mechanism, and then can lead to along the axis tandem of the external thread structure 212 of transmission shaft 200
The movement of nut 300 is crossed to drive the telescopic moving of pull rod 21 or scale, thus can be driven by a motor, is synchronized same
Rotating speed is adjusted, and realizes the synchronous adjustment of the different amount of phase shift of at least two distributed phase shifters 20, is convenient for vertical plane side
To the optimization design of figure.
As shown in Figure 1, in this specific embodiment, transmission shaft 200 docks structure by the screw rod 210 of at least two different leads
At screw rod 210 is equipped with external thread structure 212；Convenient for controlling the accuracy of manufacture of external thread structure 212, and it can flexibly select difference
The screw rod 210 of helical pitch is combined to form required transmission shaft 200.Further, pass through shaft coupling between two neighboring screw rod 210
Drive connection is fixed in device 400；Using shaft coupling 400 convenient between two neighboring screw rod 210 installation and dismounting and change, more
Add the screw rod 210 of flexibly selection different lead to be combined to form required transmission shaft 200, while the axis of the two can be met
Aligning accuracy.It of courses, can also realize the company between two adjacent screws 210 by structure that other fixed conveyors connect
It connects, such as bayonet lock fixed form, is welded and fixed mode.Further, it is additionally provided with connecting shaft between two neighboring screw rod 210
500, one end of connecting shaft 500 and 210 fixed conveyor of a corresponding screw rod connection, the other end by with another corresponding spiral shell
210 fixed conveyor of bar connects；And then utilize the connecting shaft 500, the axial spacing being conveniently adjusted between two adjacent screws 210.
It of courses, it can also be by directly producing above-mentioned external thread structure 212 on transmission shaft 200.
In this specific embodiment, drive connection is fixed by shaft coupling 400 between output shaft 100 and transmission shaft 200；
It is easy to implement installation and dismounting and change between output shaft 100 and transmission shaft 200 using shaft coupling 400, while two can be met
The axis aligning accuracy of person.It of courses, can also be realized by structure that other fixed conveyors connect, such as be integrally formed skill
Art.
Based on any of the above embodiments, mounting portion 310 protrudes the lateral wall for being set to nut 300, is convenient for and drawing
The parts such as bar 21, scale are attached.Further, it is staggered and sets circumferentially from one another between the mounting portion 310 of all nuts 300
It sets.And then it avoids that movement interference occurs and damages between multiple phase shifters 20.
Based on any of the above embodiments, as shown in Fig. 2, any one external thread structure 212 is equipped with stop group
Part, stop assembly include the locating part 221 at two both ends for being arranged at intervals at external thread structure 212, and nut 300 is set to two
Between locating part 221 and nut 300 can limit with 221 rotation stop of locating part and coordinate.And then spiral shell can be controlled using stop assembly
Stroke distances of the mother 300 on screw rod 210, realize the limit of the amount of phase shift of phase shifter 20.Further, at least one locating part
221 is adjustable in the position of corresponding external thread structure 212；The end of locating part 221 is equipped with the first limit protrusion outwardly protruded
202, the end of nut 300 is equipped with the second limit protrusion 320 with the limit cooperation of 202 rotation stop of the first limit protrusion.And then it utilizes
The adjustable locating part in position 221 realizes that nut 300 is differently formed the adjustment of distance；Simultaneously using the first limit protrusion 202 with
Second limit protrusion 320 limits rotation stop cooperation, avoids the external thread structure 212 of screw rod 210 and the internal thread structure of nut 300 straight
Capacity causes to wear or damage, and improves the service life of screw rod 210 and the transmission cooperation of nut 300.
The utility model also provides a kind of antenna, including above-mentioned phase adjusting device, further includes a pair of with nut 300 1
The phase driven part of the phase shifter 20 answered, phase shifter 20 is connect with 310 fixed conveyor of mounting portion.The antenna uses Such phase
Regulating device, convenient for by a set of drive system, assigning at least two distributed phase shifters 20 different amount of phase shift, being easily obtained
Elevation radiation patytern after optimization.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of phase adjusting device of phase shifter, which is characterized in that one end including output shaft and with the output shaft is solid
Surely the transmission shaft being sequentially connected, the transmission shaft are equipped at least two sections of external thread structures, and all external thread structures are described in
The axis direction interval of transmission shaft is arranged, and the helical pitch of at least two sections external thread structures is different, all external thread structures
It is equipped with nut, the nut is connected with corresponding external thread structure spiral, and the nut is equipped with mounting portion.
2. phase adjusting device according to claim 1, which is characterized in that the transmission shaft is led by least two differences
The screw rod docking of journey is constituted, and the screw rod is equipped with the external thread structure.
3. phase adjusting device according to claim 2, which is characterized in that pass through shaft coupling between the two neighboring screw rod
Drive connection is fixed in device.
4. phase adjusting device according to claim 2, which is characterized in that the company of being additionally provided between the two neighboring screw rod
Spindle, one end of the connecting shaft and corresponding screw rod fixed conveyor connection, the other end by with it is corresponding another
A screw rod fixed conveyor connection.
5. phase adjusting device according to claim 1, which is characterized in that lead between the output shaft and the transmission shaft
It crosses shaft coupling and drive connection is fixed.
6. phase adjusting device according to claim 1, which is characterized in that the mounting portion protrusion is set to the nut
Lateral wall.
7. phase adjusting device according to claim 6, which is characterized in that along week between the mounting portion of all nuts
It is arranged to mutually staggering.
8. phase adjusting device according to any one of claim 1 to 7, which is characterized in that any one of outer spiral shell
Line structure is equipped with stop assembly, and the stop assembly includes the limit at two both ends for being arranged at intervals at the external thread structure
Part, the nut is set between two locating parts and the nut can limit with the locating part rotation stop and coordinate.
9. phase adjusting device according to claim 8, which is characterized in that at least one locating part is corresponding outer
The position of helicitic texture is adjustable；The end of the locating part is equipped with the first limit protrusion outwardly protruded, the end of the nut
Equipped with the second limit protrusion with the first limit protrusion rotation stop limit cooperation.
10. a kind of antenna, which is characterized in that including phase adjusting device as described in any one of claim 1 to 9, further include
With the one-to-one phase shifter of the nut, the phase driven part of the phase shifter is connect with the mounting portion fixed conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721928048.4U CN207800918U (en) | 2017-12-29 | 2017-12-29 | The phase adjusting device of antenna and its phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721928048.4U CN207800918U (en) | 2017-12-29 | 2017-12-29 | The phase adjusting device of antenna and its phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800918U true CN207800918U (en) | 2018-08-31 |
Family
ID=63277271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721928048.4U Expired - Fee Related CN207800918U (en) | 2017-12-29 | 2017-12-29 | The phase adjusting device of antenna and its phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800918U (en) |
-
2017
- 2017-12-29 CN CN201721928048.4U patent/CN207800918U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200113 Address after: 510730 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Co-patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. Co-patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |