CN108092002B - Antenna electric downtilt angle control device - Google Patents
Antenna electric downtilt angle control device Download PDFInfo
- Publication number
- CN108092002B CN108092002B CN201711485037.8A CN201711485037A CN108092002B CN 108092002 B CN108092002 B CN 108092002B CN 201711485037 A CN201711485037 A CN 201711485037A CN 108092002 B CN108092002 B CN 108092002B
- Authority
- CN
- China
- Prior art keywords
- gear
- unidirectional
- mounting plate
- mounting
- annular
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000006698 induction Effects 0.000 claims description 8
- 238000004378 air conditioning Methods 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 8
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
Abstract
The invention relates to a control device for an antenna electrical downtilt angle, which comprises an input assembly, a first control assembly and a second control assembly, wherein the input assembly comprises an annular gear, a first gear and a second gear, the first gear is coaxial with the annular gear, the first gear drives the second gear to rotate, and the first end of the second gear is meshed with the annular gear and can rotate or/and revolve; the first unidirectional component comprises a first rotary piece capable of unidirectional rotation, and the first rotary piece is fixedly connected with the annular gear in a transmission manner; an output assembly including third gears, the second end of the second gear being selectively engageable with any one of the third gears; and the reciprocating assembly comprises a rotatable reciprocating screw rod and a mounting piece matched with the reciprocating screw rod, the reciprocating screw rod is fixedly connected with the third gear in a transmission way, and the mounting piece is provided with a mounting part for mounting the phase shifter. The control device for the electric downtilt angle of the antenna can realize independent and accurate control of the downtilt angles of two or more beam antennas, and has compact structure and small adjustment error.
Description
Technical Field
The invention relates to the technical field of mobile communication equipment, in particular to a control device for an antenna electrical downtilt angle.
Background
With the increasing number of mobile communication terminal users, the network capacity requirements of stations in a mobile cellular network are increasing, and meanwhile, the interference between different stations and even between different sectors of the same station is required to be minimized, namely, the maximization of the network capacity and the minimization of the interference are realized. This is typically achieved by adjusting the downtilt of the antenna beam at the station.
Currently, the way to adjust the beam downtilt angle is divided into: mechanical downtilt and electronic downtilt, while electronic downtilt has obvious advantages, and is a current mainstream and a future development trend. The traditional electronic downtilt transmission device has a complex structure, and the adjustment of the downtilt of the antenna downbeam has a large error.
Disclosure of Invention
Based on this, it is necessary to provide a control device for the electrical downtilt angle of an antenna, which can realize independent and precise control of the downtilt angles of two or more beam antennas, and has a compact structure and small adjustment error.
The technical scheme is as follows:
a control device for an antenna electrical downtilt angle, comprising: the input assembly comprises an annular gear, a first gear coaxial with the annular gear and a second gear which is connected with the first gear in a forming function, the first gear drives the second gear to rotate, the first end of the second gear is meshed with the annular gear and can rotate or/and revolve, and the second end of the second gear is arranged outside the annular gear; the unidirectional control mechanism comprises a first unidirectional component, the first unidirectional component is arranged at a first preset position close to the annular gear, the first unidirectional component comprises a first rotating piece capable of unidirectional rotation along a first rotation direction, and the first rotating piece is fixedly connected with the annular gear in a transmission manner; the output assembly comprises at least two third gears which are arranged at intervals along the circumferential direction, and the second end of the second gear is arranged on the inner side of the third gears and can be selectively meshed with any one of the third gears; the transmission mechanism comprises at least two groups of reciprocating assemblies, the reciprocating assemblies correspond to the third gears one by one, each reciprocating assembly comprises a rotatable reciprocating screw rod and a mounting piece matched with the reciprocating screw rod, and the reciprocating screw rod is fixedly connected with the third gears in a transmission manner so as to drive the mounting piece to move back and forth along the axis direction of the reciprocating screw rod.
When the antenna electric downtilt angle control device is used, the transmission device is used, the input shaft is connected with the output end of the servo motor, the first gear is driven to rotate by the input shaft, and the second gear is driven to rotate by the first gear; when the first gear drives the second gear to rotate along the reverse direction of the first rotating direction, the annular gear is fixedly connected with the first rotating member (the first rotating member cannot rotate along the reverse direction of the first rotating direction), and at the moment, the annular gear cannot rotate along the reverse direction of the first rotating direction, so that the second gear revolves along the direction of the first rotating direction, and further the second gear can adjust the antenna position of the downward inclination angle according to the requirement, revolve to the position and is meshed with the corresponding third gear; then reversing the rotation direction of the input shaft, when the first gear drives the second gear to rotate along the first rotation direction, the inner gear ring can rotate along the first rotation direction (the first rotating piece can rotate along the first rotation direction), the second gear rotates along the first rotation direction, the second gear drives the third gear to rotate, and meanwhile the third gear drives the reciprocating screw to rotate, and the mounting piece can be driven by the reciprocating screw to move along the axis direction of the reciprocating screw, so that the downward inclination angle of the antenna can be adjusted; after the antenna downward inclination angle adjustment is completed, the rotation of the second gear can be stopped in time by stopping the input power and utilizing the unidirectional control mechanism; when the next adjustment is carried out, the second gear revolves, and after the second gear reaches the position to be adjusted, the third gear rotates (revolution does not occur during rotation), so that the adjustment of the downward inclination angle of the corresponding antenna can be realized; because of the reciprocating characteristic of the reciprocating screw, the mounting piece can move along the opposite direction only by the steering position of the reciprocating screw, so that the upward movement or downward movement of the downward inclination angle of the antenna is realized, the revolution position of the second gear is more accurate in the adjustment process of the beam antenna, and the meshing error of the second gear and the third gear cannot exceed half teeth. The transmission device can realize independent control of the declination angles of two or more beam antennas, and has compact structure, small size and low production cost; meanwhile, the transmission device for converting rotary power into linear motion is reduced, so that error values in the antenna downward inclination angle adjusting process can be reduced, and the antenna downward inclination angle is adjusted more accurately.
The technical scheme is further described as follows:
in one embodiment, the reciprocating assembly further comprises a limiting rod in sliding fit with the mounting piece, wherein the limiting rod is fixedly arranged at a second preset position and is arranged at an interval with the reciprocating screw rod, and the mounting piece is in sliding fit with the limiting rod. Through the sliding fit of the limiting rod and the mounting piece, the mounting piece is enabled to move back and forth along the axis direction of the reciprocating screw rod, and the reciprocating screw rod cannot rotate relatively, so that the movement of the mounting piece is stable, and the downward inclination angle of the antenna is regulated more stably and accurately.
In one embodiment, the unidirectional control mechanism further includes a second unidirectional component disposed opposite to the first unidirectional component, the second unidirectional component is disposed at a third preset position near the second end of the second gear, the second unidirectional component includes a second rotating member capable of unidirectional rotation along a direction opposite to the first rotation direction, and the second gear is rotatably disposed on the second rotating member. Therefore, when the first gear drives the second gear to rotate along the reverse direction of the first rotating direction, the annular gear is fixedly connected with the first rotating member (the first rotating member cannot rotate along the reverse direction of the first rotating direction), at the moment, the annular gear cannot rotate along the reverse direction of the first rotating direction, and the second gear can only rotate along the first rotating direction, at the moment, the second gear can only revolve along the direction of the first rotating direction, and the second gear can revolve to the position according to the antenna position of the downward inclination angle which can be adjusted as required and is meshed with the corresponding third gear; then reverse the direction of rotation of input shaft, when first gear drove the second gear and rotate along first direction of rotation, the ring gear can rotate along first direction of rotation (first rotating member can rotate along first direction of rotation) this moment, and the second rotating member can not revolve along the opposite direction of first direction of rotation, and the second gear can only rotate along first direction of rotation this moment, and then can avoid the second gear to skid.
In one embodiment, the first unidirectional assembly further comprises a third rotating member which is in sleeve joint fit with the first rotating member and used for limiting unidirectional rotation of the first rotating member, and the third rotating member is fixed at the first preset position; the second unidirectional component further comprises a fourth rotating piece which is in sleeve joint fit with the second rotating piece and used for limiting unidirectional rotation of the second rotating piece, and the fourth rotating piece is fixed at the third preset position. The first unidirectional component and the second unidirectional component are concretely implemented by unidirectional rotation mechanisms such as unidirectional clutches and the like. Specifically, the first unidirectional component is a first unidirectional bearing, the first rotating member is an inner ring of the first unidirectional bearing, the third rotating member is an outer ring of the first unidirectional bearing, or the first rotating member is an outer ring of the first unidirectional bearing, and the third rotating member is an inner ring of the first unidirectional bearing; the second unidirectional component is a second unidirectional bearing, the second rotating part is an inner ring of the second unidirectional bearing, the fourth rotating part is an outer ring of the second unidirectional bearing, or the second unidirectional component is a second unidirectional bearing, the second rotating part is an outer ring of the second unidirectional bearing, and the fourth rotating part is an inner ring of the second unidirectional bearing. Therefore, the revolution or rotation of the second gear can be realized by utilizing the unidirectional bearing, the response speed of the unidirectional shaft is high, and the adjustment precision is higher; the second gear and the inner gear ring are connected with the inner ring of the unidirectional bearing or the outer ring can be selected according to actual conditions, for example, when the outer ring is fixed, the inner ring is fixedly connected with the first rotating member, and when the inner ring is fixed, the outer ring is fixedly connected with the first rotating member; the specific manner of the first unidirectional bearing or the second unidirectional bearing at the preset position can be realized by the prior art, and will not be described herein.
In one embodiment, the device further comprises a rotating box for internally mounting the first gear and the second gear, and the rotating box is fixedly connected with the second rotating piece in a transmission manner. The second gear is installed by utilizing the rotating box to form a planet carrier; simultaneously, the first gear and the second gear are convenient to lubricate and protect, and the transmission life of the first gear and the second gear is prolonged.
In one embodiment, the rotating box comprises a first box body and a second box body which is matched with the first box body to form a first accommodating cavity for arranging the first gear and the second gear, the first box body is fixedly connected with the second rotating piece in a transmission manner, a notch is formed in the side wall of the first accommodating cavity, and the second end of the second gear is meshed with the third gear through the notch. Therefore, the rotary box is split into the first box body and the second box body, so that the first gear and the second gear can be conveniently installed, and the later maintenance is also facilitated.
In one embodiment, the first box body is further provided with an annular body extending outwards to form a second accommodating cavity for accommodating the second box body and the inner gear ring, and the annular body is provided with a plurality of sensing parts.
In one embodiment, the sensing portion includes at least two first sensing gaps uniformly spaced along the circumferential direction and a second sensing gap disposed between two adjacent first sensing gaps. Therefore, the position of the second gear can be judged by using the first sensing notch, and the position of the third gear is calibrated by using the second sensing notch.
In one embodiment, the device further comprises a mounting assembly, the mounting assembly comprises a first mounting plate, a second mounting plate and a third mounting plate, the first mounting plate is fixed with the second mounting plate at intervals, the reciprocating assembly is arranged between the first mounting plate and the second mounting plate, the second mounting plate is fixed with the third mounting plate at intervals, and the input assembly, the unidirectional control mechanism and the output assembly are arranged between the second mounting plate and the third mounting plate. The first mounting plate and the second mounting plate are utilized to form a mounting and fixing area of the reciprocating assembly, the second mounting plate and the third mounting plate are utilized to form a mounting area of the input assembly, the unidirectional control mechanism and the output assembly, and then the reciprocating assembly, the input assembly, the unidirectional control mechanism and the output assembly are mounted into a whole.
In one embodiment, the transmission mechanism further comprises a marking rod, the marking rod is elastically reset between the second mounting plate and the third mounting plate, one end of the marking rod is fixedly connected with the mounting piece, and the other end of the marking rod is provided with a marking part arranged on the outer side of the third mounting plate. And the position of the marking part of the marking rod can be identified by the sensor to judge the limit position of the back and forth movement of the mounting piece, so that the steering position of the reciprocating screw rod is obtained, and the position calibration before use is convenient.
In one embodiment, the output assembly further comprises a fixing support, the fixing support is fixedly arranged on the inner side of the second mounting plate, and the fixing support is provided with at least two mounting positions for mounting the third gear. And then utilize the installation position of fixed bolster to realize the installation of third gear, rotationally set up the third gear on fixed bolster and second mounting panel, the output and the reciprocal screw rod fixed transmission of third gear are connected.
Drawings
Fig. 1 is a first exploded view of a control device for electrical downtilt of an antenna according to the present invention;
fig. 2 is a second exploded view of the antenna electrical downtilt control device according to the present invention;
fig. 3 is a schematic structural diagram of a control device for an antenna electrical downtilt angle according to the present invention;
fig. 4 is a schematic diagram showing a first half cross section of a control device for an electrical downtilt angle of an antenna according to the present invention;
fig. 5 is a second schematic half-sectional view of the antenna electrical downtilt control device according to the present invention;
fig. 6 is a schematic structural view of the first case of the present invention.
Reference numerals illustrate:
100. input assembly, 110, ring gear, 120, first gear, 130, second gear, 210, first unidirectional assembly, 212, first rotary member, 214, third rotary member, 220, second unidirectional assembly, 222, second rotary member, 224, fourth rotary member, 300, output assembly, 310, third gear, 320, fixed support, 322, mounting position, 400, transmission mechanism, 410, reciprocating assembly, 412, reciprocating screw, 414, mounting member, 402, mounting portion, 416, limit lever, 420, index lever, 422, index portion, 500, rotation case, 510, first case, 512, notch, 514, annular body, 516, sensing portion, 502, receiving cavity, 504, first sensing notch, 506, second sensing notch, 520, second case, 610, first mounting plate, 620, second mounting plate, 630, third mounting plate, 632, annular recess, 10, input shaft.
Detailed Description
The present invention will be further described in detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples 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 "mounted," "disposed," or "mounted" 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" and the other element, the two elements may be fixed in a detachable connection manner, or may be fixed in a non-detachable connection manner, such as sleeving, clamping, integrally forming, fixing, welding, etc., which may be implemented in the prior art, and are not further described herein. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment. The "first rotational direction" may be defined as the clockwise direction (-) of the input shaft 10 and the "opposite direction of the first rotational direction" as the counterclockwise direction (+) of the input shaft 10.
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. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The terms "first," "second," and "third" in this specification do not denote a particular quantity or order, but rather are used for distinguishing between similar or identical items.
As shown in fig. 1 to 3, a device for controlling an electrical downtilt angle of an antenna according to the present invention includes: the input assembly 100 comprises an annular gear 110, a first gear 120 coaxial with the annular gear 110, and a second gear 130 operatively connected with the first gear 120, wherein the first gear 120 drives the second gear 130 to rotate, a first end of the second gear 130 is meshed with the annular gear 110 and can rotate or/and revolve, and a second end of the second gear 130 is arranged outside the annular gear 110; the unidirectional control mechanism comprises a first unidirectional component 210, the first unidirectional component 210 is arranged at a first preset position close to the annular gear 110, the first unidirectional component 210 comprises a first rotating member 212 capable of unidirectional rotation along a first rotation direction, and the first rotating member 212 is fixedly connected with the annular gear 110 in a transmission manner; an output assembly 300, wherein the output assembly 300 comprises at least two third gears 310 arranged at intervals along the circumferential direction, and the second end of the second gear 130 is arranged on the inner side of the third gears 310 and can be selectively meshed with any one of the third gears 310; and the transmission mechanism 400 comprises at least two groups of reciprocating assemblies 410, the reciprocating assemblies 410 are in one-to-one correspondence with the third gears 310, the reciprocating assemblies 410 comprise rotatable reciprocating screw rods 412 and mounting pieces 414 matched with the reciprocating screw rods 412, the reciprocating screw rods 412 are fixedly connected with the third gears 310 in a transmission manner so as to drive the mounting pieces 414 to move back and forth along the axial direction of the reciprocating screw rods 412, and the mounting pieces 414 are provided with mounting parts 402 for connecting phase shifter driving pieces.
As shown in fig. 1 to 5, when the antenna electrical downtilt angle control device is used, the input shaft 10 is connected with the output end of the servo motor, the input shaft 10 is used to drive the first gear 120 to rotate, and the first gear 120 drives the second gear 130 to rotate; when the first gear 120 drives the second gear 130 to rotate in the opposite direction of the first rotation direction, the ring gear 110 is fixedly connected with the first rotating member 212 (the first rotating member 212 cannot rotate in the opposite direction of the first rotation direction), and the ring gear 110 cannot rotate in the opposite direction of the first rotation direction, so that the second gear 130 revolves in the direction of the first rotation direction, and the second gear 130 can adjust the antenna position of the downtilt angle as required, revolve to the position and mesh with the corresponding third gear 310; then, the rotation direction of the input shaft 10 is reversed, when the first gear 120 drives the second gear 130 to rotate along the first rotation direction, the ring gear 110 can rotate along the first rotation direction (the first rotating member 212 can rotate along the first rotation direction), the second gear 130 rotates along the first rotation direction, the second gear 130 drives the third gear 310 to rotate, and meanwhile, the third gear 310 drives the reciprocating screw 412 to rotate, and the mounting member 414 can be driven by the reciprocating screw 412 to move along the axis direction of the reciprocating screw 412, so that the downward inclination angle of the antenna can be adjusted; after the antenna downward inclination angle adjustment is completed, the rotation of the second gear 130 can be stopped in time by stopping the input power and utilizing the unidirectional control mechanism; when the next adjustment is performed, the second gear 130 is made to revolve, and after the position to be adjusted is reached, the third gear 310 is made to rotate (revolution does not occur during rotation), so that the adjustment of the downward inclination angle of the corresponding antenna can be realized; due to the reciprocation characteristic of the reciprocating screw 412, only the steering position of the reciprocating screw 412, which is used to move the mounting member 414, is required to move the mounting member 414 in the opposite direction, so that the antenna downtilt angle is moved up or down, and the adjustment of the revolution position of the second gear 130 is more accurate in the beam antenna adjustment process, so that the engagement error between the second gear 130 and the third gear 310 does not exceed half a tooth. The transmission device can realize independent control of the declination angles of two or more beam antennas, and has compact structure, small size and low production cost; meanwhile, the transmission device for converting rotary power into linear motion is reduced, so that error values in the antenna downward inclination angle adjusting process can be reduced, and the antenna downward inclination angle is adjusted more accurately.
It should be noted that, the first gear 120 and the second gear 130 may be operatively connected through a transmission gear set, and the first gear 120 drives the second gear 130 to drive in the same direction or in opposite directions; for example, the first gear 120 and the second gear 130 are reversely rotated by means of direct engagement transmission, or engagement transmission of two gears or engagement transmission of four gears, etc., and the transmission gear set rotates the first gear 120 and the second gear 130 in the same direction by means of engagement transmission of one gear or engagement transmission of three gears, etc.
As shown in fig. 1, 2, 4, and 5, the reciprocating assembly 410 further includes a limiting rod 416 slidably engaged with the mounting member 414, where the limiting rod 416 is fixedly disposed at a second preset position and is spaced from the reciprocating screw 412, and the mounting member 414 is slidably engaged with the limiting rod 416. Through the sliding fit of the limiting rod 416 and the mounting piece 414, the mounting piece 414 can move back and forth along the axial direction of the reciprocating screw 412 without rotating relative to the reciprocating screw 412, so that the movement of the mounting piece 414 is more stable, and the adjustment of the antenna downtilt angle is more stable and accurate.
As shown in fig. 1 and fig. 2, in the foregoing embodiment, the unidirectional control mechanism further includes a second unidirectional assembly 220 disposed opposite to the first unidirectional assembly 210, the second unidirectional assembly 220 is disposed at a third preset position near the second end of the second gear 130, the second unidirectional assembly 220 includes a second rotating member 222 capable of unidirectional rotation along the direction opposite to the first rotation direction, and the second gear 130 is rotatably disposed on the second rotating member 222. Therefore, when the first gear 120 drives the second gear 130 to rotate in the opposite direction to the first rotation direction, the ring gear 110 is fixedly connected with the first rotating member 212 (the first rotating member 212 cannot rotate in the opposite direction to the first rotation direction), and the ring gear 110 cannot rotate in the opposite direction to the first rotation direction, and the second rotating member 222 can rotate only in the first rotation direction, and the second gear 130 can only revolve in the direction of the first rotation direction, so that the second gear 130 can revolve to the position according to the antenna position of the downtilt angle to be adjusted, and is meshed with the corresponding third gear 310; then, the rotation direction of the input shaft 10 is reversed, and when the first gear 120 drives the second gear 130 to rotate along the first rotation direction, the ring gear 110 can rotate along the first rotation direction (the first rotating member 212 can rotate along the first rotation direction), and the second rotating member 222 cannot revolve along the opposite direction of the first rotation direction, at this time, the second gear 130 can only rotate along the first rotation direction, so that the second gear 130 can be prevented from slipping.
Further, the first unidirectional assembly 210 further includes a third rotating member 214 that is in socket fit with the first rotating member 212 and is used for limiting unidirectional rotation of the first rotating member 212, and the third rotating member 214 is fixed at the first preset position; the second unidirectional assembly 220 further includes a fourth rotating member 224 that is in socket engagement with the second rotating member 222 and is configured to limit unidirectional rotation of the second rotating member 222, wherein the fourth rotating member 224 is fixed at the third predetermined position. Specific embodiments of the first 210 and second 220 unidirectional components include unidirectional rotation mechanisms such as unidirectional clutches.
Specifically, the first unidirectional component 210 is a first unidirectional bearing, the first rotating member 212 is an inner ring of the first unidirectional bearing, the third rotating member 214 is an outer ring of the first unidirectional bearing, or the first rotating member 212 is an outer ring of the first unidirectional bearing, and the third rotating member 214 is an inner ring of the first unidirectional bearing; the second unidirectional component 220 is a second unidirectional bearing, the second rotating member 222 is an inner ring of the second unidirectional bearing, the fourth rotating member 224 is an outer ring of the second unidirectional bearing, or the second unidirectional component 220 is a second unidirectional bearing, the second rotating member 222 is an outer ring of the second unidirectional bearing, and the fourth rotating member 224 is an inner ring of the second unidirectional bearing. Therefore, the revolution or rotation of the second gear 130 can be realized by the unidirectional bearing, and the response speed of the unidirectional shaft is high, so that the adjustment precision is higher; the connection between the second gear 130 and the inner gear ring 110 and the inner ring of the unidirectional bearing or the connection between the outer ring of the unidirectional bearing can be selected according to practical situations, for example, when the outer ring is fixed, the inner ring is fixedly connected with the first rotating member 212, and when the inner ring is fixed, the outer ring is fixedly connected with the first rotating member 212; the specific manner of the first unidirectional bearing or the second unidirectional bearing at the preset position can be realized by the prior art, and will not be described herein.
As shown in fig. 1, 2, 4, 5 and 6, the present invention further includes a rotating box 500 for internally mounting the first gear 120 and the second gear 130, where the rotating box 500 is fixedly connected with the second rotating member 222 in a transmission manner. The second gear 130 is mounted using the rotation box 500 to constitute a planet carrier; meanwhile, the first gear 120 and the second gear 130 are convenient to lubricate and protect, and the transmission life of the first gear 120 and the second gear 130 is prolonged. Further, the rotating box 500 includes a first box 510 and a second box 520 that is matched with the first box 510 to form a first accommodating cavity 502 in which the first gear 120 and the second gear 130 are disposed, the first box 510 is fixedly connected with the second rotating member 222 in a transmission manner, a notch 512 is disposed on a side wall of the first accommodating cavity 502, and a second end of the second gear 130 is meshed with the third gear 310 through the notch 512. Thus, by splitting the rotary case 500 into the first case 510 and the second case 520, the first gear 120 and the second gear 130 can be easily installed, and the post-maintenance can be facilitated.
As shown in fig. 1, 2 and 3, on the basis of the foregoing embodiments, the present invention further includes a mounting assembly (not labeled), where the mounting assembly includes a first mounting plate 610, a second mounting plate 620 and a third mounting plate 630, the first mounting plate 610 and the second mounting plate 620 are fixed at intervals, the reciprocating assembly 410 is disposed between the first mounting plate 610 and the second mounting plate 620, the second mounting plate 620 and the third mounting plate 630 are fixed at intervals, and the input assembly 100, the unidirectional control mechanism and the output assembly 300 are disposed between the second mounting plate 620 and the third mounting plate 630. The first mounting plate 610 and the second mounting plate 620 form a mounting fixing area of the reciprocating assembly 410, and the second mounting plate 620 and the third mounting plate 630 form a mounting area of the input assembly 100, the unidirectional control mechanism, and the output assembly 300, so that the reciprocating assembly 410 is integrally mounted with the input assembly 100, the unidirectional control mechanism, and the output assembly 300.
As shown in fig. 1, 2, 4 and 6, the first case 510 is further provided with an annular body 514 extending outwards to form a second accommodating cavity 502 for accommodating the second case 520 and the ring gear 110, and the annular body 514 is provided with a plurality of sensing parts 516. The sensing portion 516 includes at least two first sensing notches 504 disposed at equal intervals along the circumferential direction, and a second sensing notch 506 disposed between two adjacent first sensing notches 504. The position of the second gear 130 can be determined by the first sensing notch 504, and the position of the third gear 310 can be calibrated by the second sensing notch 506. Further, the third mounting plate 630 is provided with an annular concave body 632 protruding outwards to form a matched with the annular body 514, and an outer wall of the annular concave body 632 is provided with a sensing element (not shown) for sensing the sensing portion 516. Thus, the annular body 514 rotates in the annular concave body 632, and the sensing end of the sensing element is arranged in the annular concave body 632, so that external interference can be avoided; meanwhile, by arranging the sensing element on the third mounting plate 630, when the second cover body rotates, the positions of the first sensing notch 504 and the second sensing notch 506 on the annular body 514 are correspondingly changed, and the sensing element can sense and send corresponding trigger signals to the control device, so that the initial position and the real-time position of the second gear 130 or the initial position and the real-time position of the second gear 130 can be positioned. The sensing element can be a magnetic induction sensor, a photoelectric induction sensor, a displacement induction sensor and the like.
In addition, the transmission mechanism 400 further includes a marking rod 420, the marking rod 420 is elastically resettable between the second mounting plate 620 and the third mounting plate 630, one end of the marking rod 420 is fixedly connected with the mounting member 414, and the other end is provided with a marking portion 422 disposed on the outer side of the third mounting plate 630. Further, the sensor can be used to identify the position of the marking portion 422 of the marking rod 420 to determine the limit position of the back and forth movement of the mounting member 414, so as to obtain the steering position of the reciprocating screw 412, and facilitate the position calibration before use. The sensor can be a magnetic induction sensor, a photoelectric induction sensor, a displacement induction sensor and the like.
As shown in fig. 1, the output assembly 300 further includes a fixing bracket 320, where the fixing bracket 320 is fixedly disposed on the inner side of the second mounting plate 620, and at least two mounting positions 322 for mounting the third gear 310 are provided on the fixing bracket 320. And the third gear 310 is mounted by using the mounting position 322 of the fixing bracket 320, the third gear 310 is rotatably arranged on the fixing bracket 320 and the second mounting plate 620, and the output end of the third gear 310 is fixedly connected with the reciprocating screw 412 in a transmission manner.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A control device for an electrical downtilt angle of an antenna, comprising:
the input assembly comprises an annular gear, a first gear coaxial with the annular gear and a second gear which is connected with the first gear in a forming function, the first gear drives the second gear to rotate, the first end of the second gear is meshed with the annular gear and can rotate or/and revolve, and the second end of the second gear is arranged outside the annular gear;
the unidirectional control mechanism comprises a first unidirectional component, the first unidirectional component is arranged at a first preset position close to the annular gear, the first unidirectional component comprises a first rotating piece capable of unidirectional rotation along a first rotation direction, and the first rotating piece is fixedly connected with the annular gear in a transmission manner;
the output assembly comprises at least two third gears which are arranged at intervals along the circumferential direction, and the second end of the second gear is arranged on the inner side of the third gears and can be selectively meshed with any one of the third gears; a kind of electronic device with high-pressure air-conditioning system
The transmission mechanism comprises at least two groups of reciprocating components, the reciprocating components are in one-to-one correspondence with the third gears, the reciprocating components comprise rotatable reciprocating screw rods and mounting pieces matched with the reciprocating screw rods, and the reciprocating screw rods are fixedly connected with the third gears in a transmission manner so as to drive the mounting pieces to move back and forth along the axial direction of the reciprocating screw rods;
the mounting assembly comprises a first mounting plate, a second mounting plate and a third mounting plate, the first mounting plate and the second mounting plate are fixed at intervals, the reciprocating assembly is arranged between the first mounting plate and the second mounting plate, the second mounting plate and the third mounting plate are fixed at intervals, and the input assembly, the unidirectional control mechanism and the output assembly are arranged between the second mounting plate and the third mounting plate;
the transmission mechanism further comprises a marking rod, the marking rod can be elastically reset between the second mounting plate and the third mounting plate, one end of the marking rod is fixedly connected with the mounting piece, and the other end of the marking rod is provided with a marking part arranged on the outer side of the third mounting plate.
2. The device for controlling the electrical downtilt of an antenna according to claim 1, wherein the reciprocating assembly further comprises a stop lever slidably engaged with the mounting member, the stop lever being fixedly disposed at a second predetermined position and spaced apart from the reciprocating screw, the stop lever being slidably engaged with the mounting member.
3. The device according to claim 1, wherein the unidirectional control mechanism further comprises a second unidirectional component disposed opposite to the first unidirectional component, the second unidirectional component being disposed at a third predetermined position near a second end of the second gear, the second unidirectional component comprising a second rotating member capable of unidirectional rotation in a direction opposite to the first rotation direction, the second gear being rotatably disposed on the second rotating member.
4. The antenna electrical downtilt control device of claim 3, wherein the first unidirectional assembly further comprises a third rotational member that is in socket engagement with the first rotational member and is configured to limit unidirectional rotation of the first rotational member, the third rotational member being fixed in the first predetermined position; the second unidirectional component further comprises a fourth rotating piece which is in sleeve joint fit with the second rotating piece and used for limiting unidirectional rotation of the second rotating piece, and the fourth rotating piece is fixed at the third preset position.
5. The antenna electrical downtilt control device of claim 3, further comprising a rotating box for internally mounting the first gear and the second gear, the rotating box being in fixed driving connection with the second rotating member.
6. The antenna electrical downtilt control device according to claim 5, wherein the rotating box comprises a first box body and a second box body which is matched with the first box body to form a first accommodating cavity for arranging the first gear and the second gear, the first box body is fixedly connected with the second rotating piece in a transmission manner, a notch is arranged on the side wall of the first accommodating cavity, and the second end of the second gear is meshed with the third gear through the notch.
7. The device for controlling an electrical downtilt of an antenna according to claim 6, wherein the first case is further provided with an annular body extending outwardly to form a second accommodating chamber accommodating the second case and the ring gear, and the annular body is provided with a plurality of sensing portions.
8. The device according to claim 7, wherein the sensing portion includes at least two first sensing notches uniformly spaced apart along a circumferential direction and a second sensing notch disposed between two adjacent first sensing notches.
9. The device for controlling the electrical downtilt of an antenna according to claim 8, wherein the third mounting plate is provided with an annular recess protruding outwards to form a fit with the annular body, and an outer wall of the annular recess is provided with an induction element for inducing the induction part.
10. The device for controlling the electrical downtilt of an antenna according to any one of claims 1-7, wherein the output assembly further comprises a fixing bracket, the fixing bracket being fixedly arranged on the inner side of the second mounting plate, and the fixing bracket being provided with at least two mounting positions for mounting the third gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485037.8A CN108092002B (en) | 2017-12-29 | 2017-12-29 | Antenna electric downtilt angle control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485037.8A CN108092002B (en) | 2017-12-29 | 2017-12-29 | Antenna electric downtilt angle control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108092002A CN108092002A (en) | 2018-05-29 |
| CN108092002B true CN108092002B (en) | 2023-12-22 |
Family
ID=62181331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711485037.8A Active CN108092002B (en) | 2017-12-29 | 2017-12-29 | Antenna electric downtilt angle control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108092002B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611168B (en) * | 2019-09-21 | 2020-11-20 | 深圳市锦凌电子有限公司 | Multi-antenna calibration device for 5G communication |
| CN116073129A (en) * | 2021-11-04 | 2023-05-05 | 中兴通讯股份有限公司 | Antenna phase adjusting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203242749U (en) * | 2012-12-26 | 2013-10-16 | 苏州市大富通信技术有限公司 | Antenna and phase shift transmission device for adjusting phase shift part of the antenna |
| CN106785438A (en) * | 2017-01-26 | 2017-05-31 | 京信通信系统（中国）有限公司 | The control system of transmission device and Downtilt |
| WO2017101284A1 (en) * | 2015-12-17 | 2017-06-22 | 广东通宇通讯股份有限公司 | Antenna transmission device and antenna |
| CN207800916U (en) * | 2017-12-29 | 2018-08-31 | 京信通信系统（中国）有限公司 | The control device of antenna lower decline angle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017218608A1 (en) * | 2016-06-15 | 2017-12-21 | Commscope Technologies Llc | Actuators for controlling multiple phase shifters of remote electronic downtilt base station antennas |
-
2017
- 2017-12-29 CN CN201711485037.8A patent/CN108092002B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203242749U (en) * | 2012-12-26 | 2013-10-16 | 苏州市大富通信技术有限公司 | Antenna and phase shift transmission device for adjusting phase shift part of the antenna |
| WO2017101284A1 (en) * | 2015-12-17 | 2017-06-22 | 广东通宇通讯股份有限公司 | Antenna transmission device and antenna |
| CN106785438A (en) * | 2017-01-26 | 2017-05-31 | 京信通信系统（中国）有限公司 | The control system of transmission device and Downtilt |
| CN207800916U (en) * | 2017-12-29 | 2018-08-31 | 京信通信系统（中国）有限公司 | The control device of antenna lower decline angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108092002A (en) | 2018-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106838149B (en) | Transmission device and antenna downward inclination angle control system | |
| EP3392967B1 (en) | Antenna transmission device and antenna | |
| EP3686994B1 (en) | Linked locking mechanism and antenna downtilt angle control device | |
| EP3098904B1 (en) | Antenna regulation apparatus and remote electrical tilt antenna | |
| CN106785438B (en) | Transmission device and antenna downward inclination angle control system | |
| US20180034348A1 (en) | Servomotor and control method thereof | |
| CN106895115B (en) | bidirectional power output linkage device and antenna downward inclination angle control device | |
| CN108092002B (en) | Antenna electric downtilt angle control device | |
| CN109659696B (en) | Antenna, adjusting device for adjusting horizontal azimuth angle of antenna and transmission mechanism | |
| CN109768392A (en) | Antenna regulating device | |
| CN208535111U (en) | The phase-condition system and its power transmission device of phase shifter | |
| CN109216925B (en) | Transmission device for electric downtilt angle adjustment of antenna | |
| CN106785451B (en) | Antenna and downtilt angle control device thereof | |
| CN111029777A (en) | Base station antenna, transmission device and switching mechanism | |
| CN207994073U (en) | The control device of antenna lower decline angle | |
| US20210013829A1 (en) | Slew drive with integrated sensors and transducers | |
| CN108087508B (en) | Transmission device for antenna downward inclination angle and switching assembly thereof | |
| CN206673118U (en) | Antenna and its angle control that has a down dip | |
| CN207800916U (en) | The control device of antenna lower decline angle | |
| CN108321537B (en) | Antenna electric downtilt angle control device | |
| CN106785450B (en) | Antenna and downtilt angle control device thereof | |
| CN210957021U (en) | Base station antenna, transmission device and switching mechanism | |
| CN206754298U (en) | The control system of transmission device and Downtilt | |
| CN106921043B (en) | Transmission device and antenna downward inclination angle control system | |
| CN117317544A (en) | Multi-frequency antenna and frequency-selecting phase-shifting device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200109 Address after: 510730 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Applicant after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Applicant before: COMBA TELECOM SYSTEMS (CHINA) Ltd. Applicant before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Applicant before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Applicant before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230728 Address after: 510730, No. 6, Jin Lu, Guangzhou economic and Technological Development Zone, Guangdong, Guangzhou Applicant after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Applicant after: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Address before: 510730, No. 6, Jin Lu, Guangzhou economic and Technological Development Zone, Guangdong, Guangzhou Applicant before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |