CN111064003A - Antenna, transmission device and output mechanism - Google Patents
Antenna, transmission device and output mechanism Download PDFInfo
- Publication number
- CN111064003A CN111064003A CN201911415798.5A CN201911415798A CN111064003A CN 111064003 A CN111064003 A CN 111064003A CN 201911415798 A CN201911415798 A CN 201911415798A CN 111064003 A CN111064003 A CN 111064003A
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- output
- calibration structure
- output gear
- output mechanism
- grooves
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
Abstract
The invention discloses an antenna, a transmission device and an output mechanism. The output mechanism comprises a mounting bracket and an output gear; the mounting bracket is provided with at least two mounting holes and a first calibration structure arranged on the periphery of the mounting holes; the output gears correspond to the mounting holes one by one, the output gears can be rotatably arranged on the mounting bracket and can automatically reset, one end face of each output gear is provided with a shaft body matched with the mounting hole and a second calibration structure arranged on the periphery of the shaft body, and one end of each shaft body can extend out of the corresponding mounting hole; wherein, first calibration structure cooperatees with the second calibration structure, can calibrate the error that the tooth width scope was predetermine to the output gear. The output mechanism can automatically eliminate errors, so that the output gear is reliable in resetting, and the output revolution of the output gear is accurate. The transmission device adopts the output mechanism, and is beneficial to improving the accuracy of the adjustment of the downward inclination angle. The antenna adopts the transmission device, and can adapt to the miniaturization development.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an antenna, a transmission device and an output mechanism.
Background
With the increasing number of mobile communication terminal users, the demand for network capacity of stations in a mobile cellular network is increasing, and it is required to minimize interference between different stations, even between different sectors of the same station, that is, to maximize network capacity and minimize interference. This is usually achieved by adjusting the downtilt angle of the antenna beam at the station.
In order to adapt to the development of multi-frequency antennas, more than one power is often converted into a plurality of powers for output. In order to miniaturize the adaptive antenna, a gear mechanism is often used for power conversion, and in the gear switching process, due to the existence of manufacturing errors, the actual output revolution number of the output gear often has errors, so that the adjustment of the downward inclination angle is not accurate, and the improvement of the reliability of the gear transmission device is not facilitated.
Disclosure of Invention
In view of the above, it is desirable to provide an antenna, an actuator and an output mechanism. The output mechanism can automatically eliminate errors, so that the output gear is reliable in resetting, and the output revolution of the output gear is accurate. The transmission device adopts the output mechanism, the output revolution is accurate, and the accuracy of the adjustment of the downward inclination angle is improved. The antenna adopts the transmission device, can adapt to miniaturization development, and has high beam debugging precision.
The technical scheme is as follows:
in one aspect, the present application provides an output mechanism comprising a mounting bracket and an output gear; the mounting bracket is provided with at least two mounting holes arranged at intervals along the same circumference and a first calibration structure arranged on the periphery of the mounting holes; the output gears correspond to the mounting holes one by one, the output gears can be rotatably arranged on the mounting bracket and can automatically reset, one end face of each output gear is provided with a shaft body matched with the mounting hole and a second calibration structure arranged on the periphery of the shaft body, and one end of each shaft body can extend out of the corresponding mounting hole; wherein, first calibration structure cooperatees with the second calibration structure, can calibrate the error that the tooth width scope was predetermine to the output gear.
When the output mechanism is used, the lower inclination angle is adjusted as required, the shaft body is abutted and pressed, the second calibration structure of the output gear is separated from the first calibration structure, then the transmission gear of the transmission mechanism is utilized to drive the output gear to rotate, and further the output gear is utilized to improve power for the movement of the corresponding phase shifter medium plate. After the adjustment of the downward inclination angle is completed, the support of the shaft body is cancelled, the output gear automatically resets, and in the process, the second calibration structure and the first calibration structure are in calibration fit, so that the output gear performs mechanical micro-rotation, the rotation error is eliminated, and the adjustment of the downward inclination angle is accurate. The output mechanism can automatically eliminate errors, so that the output gear is reliable in resetting, and the output revolution of the output gear is accurate.
The technical solution is further explained below:
in one embodiment, the preset tooth width range is less than or equal to half the tooth width range of the output gear.
In one embodiment, the first and second alignment structures are ring-shaped; the first calibration structure comprises a plurality of grooves which are uniformly arranged along the same circumference at intervals, and the second calibration structure comprises pointed teeth which are in one-to-one correspondence with the grooves; or the second calibration structure comprises a plurality of grooves which are uniformly arranged along the same circumference at intervals, and the first calibration structure comprises sharp teeth which are in one-to-one correspondence with the grooves.
In one embodiment, the recess is arcuate and the top of the tines can be inserted into the bottom of the recess.
In one embodiment, the maximum width of the groove is equal to the maximum width of the tines, such that the opening of the groove can be trapped against the bottom of the tines.
In one embodiment, the number of the grooves is equal to the number of teeth of the output gear, and a sharp angle is formed between every two adjacent grooves.
In one embodiment, the first and second alignment structures are ring-shaped; the first calibration structure comprises a plurality of cones which are uniformly arranged along the same circumference at intervals, and the second calibration structure comprises round holes which are in one-to-one correspondence with the cones; or the second calibration structure comprises a plurality of round holes which are uniformly arranged along the same circumference at intervals, and the first calibration structure comprises cones which are in one-to-one correspondence with the round holes.
In one embodiment, the output gear is elastically resettable on the mounting bracket.
In one embodiment, the output mechanism further comprises a transmission shaft, the transmission shaft is in transmission fit with the output gear, the output gear can slide relative to the transmission shaft, and a return spring is arranged between the output gear and the transmission shaft.
In another aspect, the present application further provides a transmission device including the output mechanism in any of the above embodiments.
The transmission device adopts the output mechanism, the output revolution is accurate, and the accuracy of the adjustment of the downward inclination angle is improved.
In another aspect, the application further provides an antenna comprising the transmission device. The antenna adopts the transmission device, can adapt to miniaturization development, and has high beam debugging precision.
Drawings
FIG. 1 is a schematic diagram of an output mechanism in one embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic structural view of the mounting bracket shown in FIG. 1;
FIG. 4 is a partially enlarged view of B shown in FIG. 3;
FIG. 5 is a schematic view of the output gear shown in FIG. 1;
fig. 6 is a schematic structural diagram of a transmission device in an embodiment.
Description of reference numerals:
100. mounting a bracket; 110. mounting holes; 120. a first calibration structure; 122. a groove; 200. an output gear; 210. a shaft body; 220. a second alignment structure; 222. pointed teeth; 300. a drive shaft; 400. a return spring; 500. an abutting member; 600. a transmission gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to," "disposed on," "secured to," or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered as "fixed transmission connection" with another element, the two elements may be fixed in a detachable connection manner or in an undetachable connection manner, and power transmission can be achieved, such as sleeving, clamping, integrally-formed fixing, welding and the like, which can be achieved in the prior art, and is not cumbersome. When an element is perpendicular or nearly perpendicular to another element, it is desirable that the two elements are perpendicular, but some vertical error may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
References to "first" and "second" in this disclosure do not denote any particular order or quantity, but rather are used to distinguish one element from another.
The adjustment of the down tilt angle of the base station antenna is often performed by means of a phase shifter, and the position of the dielectric plate in the phase shifter is adjusted in the actual adjustment process, that is, the down tilt angle is adjusted by moving the dielectric plate. At this time, some transmission mechanisms are needed to realize the movement of the medium plate; meanwhile, the power of the existing power equipment such as the motor, the linear motor, the pneumatic cylinder and the like can be output at different positions through the transmission device.
In the prior art, when the transmission device disclosed in CN109244640A outputs the rotational power from the power source and outputs the rotational power to the output gear through each transmission mechanism, the number of turns of the output gear has an error with the number of turns set by the power source, and the error cannot be eliminated due to assembly and manufacture; in addition, errors of different transmission devices are different in size, so that the transmission device consumes time and labor in electronic control calibration, and the production efficiency is not improved.
In view of this, referring to fig. 1 to 3, in one embodiment, an output mechanism is provided, which includes a mounting bracket 100 and an output gear 200; the mounting bracket 100 is provided with at least two mounting holes 110 arranged along the same circumference at intervals, and a first calibration structure 120 arranged at the periphery of the mounting holes 110; the output gears 200 correspond to the mounting holes 110 one by one, the output gears 200 are rotatably arranged on the mounting bracket 100, the output gears 200 can automatically reset, one end face of each output gear 200 is provided with a shaft body 210 matched with the mounting hole 110 and a second calibration structure 220 arranged on the periphery of the shaft body 210, and one end of each shaft body 210 can extend out of the corresponding mounting hole 110; wherein, the first calibration structure 120 and the second calibration structure 220 cooperate to calibrate the error of the preset tooth width range of the output gear 200.
When the output mechanism is used, when the downward inclination angle needs to be adjusted, the abutting piece 500 abuts against the shaft body 210, so that the second calibration structure 220 of the output gear 200 is separated from the first calibration structure 120, then the transmission gear 600 of the transmission mechanism is utilized to drive the output gear 200 to rotate, and further the output gear 200 is utilized to improve power for the movement of the corresponding dielectric plate of the phase shifter. After the adjustment of the declination angle is completed, the pressing of the shaft body 210 is cancelled, the output gear 200 automatically resets, and in the process, the second calibration structure 220 is in calibration fit with the first calibration structure 120, so that the output gear 200 performs mechanical micro-rotation, the rotation error can be eliminated, and the adjustment of the declination angle is accurate. This output mechanism can carry out mechanical type calibration, and the automatic error that eliminates for output gear 200 resets reliably, and then makes output gear 200's output revolution accurate.
The output mechanism is applied to the transmission device, can reduce or eliminate the need of electric control type calibration, and is beneficial to improving the production efficiency of the transmission device.
It should be noted that the preset tooth width range may be set according to actual needs, such as a half tooth width range, a single tooth width range, two tooth width ranges, and the like.
Specifically, in the present embodiment, the preset tooth width range is less than or equal to half the tooth width range of the output gear 200. In this way, the first calibration structure 120 and the second calibration structure 220 are more compact and the calibration is more accurate.
In addition to any of the above embodiments, as shown in fig. 2 to 5, in one embodiment, the first calibration structure 120 and the second calibration structure 220 are both ring-shaped; the first alignment structure 120 includes a plurality of grooves 122 uniformly spaced along the same circumference, and the second alignment structure 220 includes tines 222 in one-to-one correspondence with the grooves 122; or the second alignment structure 220 includes a plurality of grooves (refer to fig. 2 and 4) uniformly spaced along the same circumference, and the first alignment structure 120 includes tines (refer to fig. 2 and 5) corresponding to the grooves one to one. Therefore, by matching the groove 122 with the sharp tooth 222, the output gear 200 can rotate in a fine adjustment mode, mechanical self-calibration is realized, errors can be automatically overcome by the output gear 200, and the production efficiency of the transmission device is improved.
The structure of the grooves 122 and the tines 222 facilitates manufacturing on the output gear 200 or the mounting bracket 100, facilitates reducing manufacturing difficulty, and improves the precision of the fit of the grooves 122 and the tines 222, so that the output gear 200 is more accurately calibrated. Meanwhile, the contact area of the tooth 222 and the groove 122 is larger, at least line contact can be realized, and the durability is improved.
Based on the above embodiments, as shown in fig. 4 and 5, in one embodiment, the groove 122 is arc-shaped, and the top of the tine 222 can be inserted into the bottom of the groove 122. Thus, the arc-shaped grooves 122 are matched with the sharp teeth 222, the speed is fast and the speed is slow, the rear half arc segment can be used for buffering, and then the rear half arc segment returns to the bottom of the grooves 122, so that hard impact between the sharp teeth 222 and the bottom of the grooves 122 is avoided.
Based on any of the above embodiments of the grooves 122, as shown in fig. 2, in one embodiment, the maximum width of the groove 122 is equal to the maximum width of the tines 222, so that the opening of the groove 122 can be engaged with the bottom of the tines 222 for limiting. Therefore, after calibration, the opening of the groove 122 is clamped and limited with the bottom of the pointed tooth 222, so that the output gear 200 cannot rotate relative to the mounting bracket 100, and the output gear 200 is prevented from rotating due to mistaken touch, so that the corresponding dielectric plate of the phase shifter moves, and the downward inclination angle of the antenna changes.
Optionally, in one embodiment, the opening of the recess 122 is shaped to fit the bottom of the tines 222.
In addition to any of the above embodiments, as shown in fig. 4, in an embodiment, the number of the grooves 122 is equal to the number of teeth of the output gear 200, and two adjacent grooves 122 are disposed with a sharp angle therebetween. In this manner, the fit of the recess 122 to the tines 222 is made more compact and the alignment is more accurate. Meanwhile, two adjacent grooves 122 are arranged in a sharp angle, so that the sharp teeth 222 can be conveniently guided into the grooves 122, and the alignment and matching can be smoothly realized.
Of course, in another embodiment, the first alignment structure 120 and the second alignment structure 220 are both ring-shaped; the first calibration structure 120 includes a plurality of cones (not shown) arranged at regular intervals along the same circumference, and the second calibration structure 220 includes circular holes (not shown) corresponding to the cones one by one; or the second collimating structure 220, includes a plurality of circular holes (not shown) uniformly spaced along the same circumference, and the first collimating structure 120 includes cones (not shown) corresponding to the circular holes one to one. Therefore, the output gear 200 can also rotate in a fine adjustment mode by matching the cone and the circular hole, and mechanical self-calibration is realized, so that the output gear 200 can automatically overcome errors, and the production efficiency of the transmission device is improved.
In addition to any of the above embodiments, as shown in fig. 1, in an embodiment, the output gear 200 is elastically resettable on the mounting bracket 100. Thus, the automatic calibration of the output gear 200 is realized by the elastic reset force of the output gear 200 and the cooperation of the first calibration structure 120 and the second calibration structure 220, which is easy to implement.
On the basis of any of the above embodiments, as shown in fig. 1 and fig. 6, in an embodiment, the output mechanism further includes a transmission shaft 300, the transmission shaft 300 is in transmission fit with the output gear 200, the output gear 200 can slide relative to the transmission shaft 300, and a return spring 400 is disposed between the output gear 200 and the transmission shaft 300. Thus, when the output gear 200 is used for transmission, the position of the transmission shaft 300 is relatively fixed, which is beneficial to providing reliable rotation power for the phase shifter. And the mechanical calibration mode is combined, so that the interference of the return spring 400 is avoided, and the reliability of power transmission is ensured.
In another aspect, the present application further provides a transmission device including the output mechanism in any of the above embodiments.
The transmission device adopts the output mechanism, the revolution output by the output gear 200 is accurate, and the accuracy of the adjustment of the downward inclination angle is improved.
Other configurations of the transmission may be implemented using, but not limited to, the configuration disclosed in CN 109244640A.
In another aspect, the application further provides an antenna comprising the transmission device.
It can be understood that, at present, the antenna installation space is smaller and smaller, the volume of the antenna is reduced, and the construction of the corresponding 4G or/and 5G antenna is of great significance. The volume is reduced, so that the 4G or/and 5G antenna can be installed in a limited space, the coverage of the 4G or/and 5G antenna in the area is realized, the antennas in other frequency bands do not need to be adjusted or detached, and the debugging time is greatly saved. The transmission device of the antenna can adapt to miniaturization development, and the wave beam debugging precision is high.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. An output mechanism, comprising:
the mounting bracket is provided with at least two mounting holes arranged at intervals along the same circumference and a first calibration structure arranged on the periphery of the mounting holes; and
the output gears are in one-to-one correspondence with the mounting holes, the output gears can be rotatably arranged on the mounting bracket and can automatically reset, one end face of each output gear is provided with a shaft body matched with the mounting hole and a second calibration structure arranged on the periphery of the shaft body, and one end of each shaft body can extend out of the corresponding mounting hole;
the first calibration structure and the second calibration structure are matched, and errors of the preset tooth width range of the output gear can be calibrated.
2. The output mechanism as in claim 1, wherein the preset tooth width range is less than or equal to half the tooth width range of the output gear.
3. An output mechanism according to claim 1, wherein the first and second collimating structures are each ring-shaped; the first calibration structure comprises a plurality of grooves which are uniformly arranged along the same circumference at intervals, and the second calibration structure comprises pointed teeth which correspond to the grooves one to one; or the second calibration structure comprises a plurality of grooves which are uniformly arranged along the same circumference at intervals, and the first calibration structure comprises pointed teeth which correspond to the grooves in a one-to-one mode.
4. The output mechanism of claim 3, wherein the recess is arcuate and the top of the tines are insertable into the bottom of the recess.
5. The output mechanism of claim 4, wherein the maximum width of the groove is equal to the maximum width of the tines such that the opening of the groove can be snapped into position with the bottom of the tines.
6. The output mechanism as claimed in claim 3, wherein the number of the grooves is equal to the number of teeth of the output gear, and the adjacent two grooves are arranged with sharp corners therebetween.
7. An output mechanism according to claim 1, wherein the first and second collimating structures are each ring-shaped; the first calibration structure comprises a plurality of cones which are uniformly arranged along the same circumference at intervals, and the second calibration structure comprises round holes which correspond to the cones one by one; or the second calibration structure comprises a plurality of round holes which are uniformly arranged along the same circumference at intervals, and the first calibration structure comprises cones which correspond to the round holes one by one.
8. An output mechanism according to any one of claims 1 to 7, wherein the output gear is resiliently resettable on the mounting bracket.
9. The output mechanism as set forth in claim 8, further comprising a drive shaft in driving engagement with the output gear and the output gear being slidable relative to the drive shaft, a return spring being disposed between the output gear and the drive shaft.
10. A transmission comprising an output mechanism as claimed in any one of claims 1 to 9.
11. An antenna comprising the actuator of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415798.5A CN111064003B (en) | 2019-12-31 | 2019-12-31 | Antenna, transmission device and output mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415798.5A CN111064003B (en) | 2019-12-31 | 2019-12-31 | Antenna, transmission device and output mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111064003A true CN111064003A (en) | 2020-04-24 |
| CN111064003B CN111064003B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911415798.5A Active CN111064003B (en) | 2019-12-31 | 2019-12-31 | Antenna, transmission device and output mechanism |
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| CN (1) | CN111064003B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4754286A (en) * | 1984-10-18 | 1988-06-28 | Siemens Aktiengesellschaft | Line-fed phase controlled antenna |
| US20160211576A1 (en) * | 2015-01-15 | 2016-07-21 | Outthink Technologies Llc | Two-way antenna mounting bracket and assembly with independently adjustable electromechanical antenna tilt and azimuthal steering for beam reshaping |
| CN207353472U (en) * | 2017-09-22 | 2018-05-11 | 京信通信技术(广州)有限公司 | Linkage locking mechanism and Downtilt control device |
-
2019
- 2019-12-31 CN CN201911415798.5A patent/CN111064003B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4754286A (en) * | 1984-10-18 | 1988-06-28 | Siemens Aktiengesellschaft | Line-fed phase controlled antenna |
| US20160211576A1 (en) * | 2015-01-15 | 2016-07-21 | Outthink Technologies Llc | Two-way antenna mounting bracket and assembly with independently adjustable electromechanical antenna tilt and azimuthal steering for beam reshaping |
| CN207353472U (en) * | 2017-09-22 | 2018-05-11 | 京信通信技术(广州)有限公司 | Linkage locking mechanism and Downtilt control device |
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| Publication number | Publication date |
|---|---|
| CN111064003B (en) | 2022-05-03 |
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