CN107994339B - Angle indicator and downward inclination angle indicating device of electric adjusting antenna - Google Patents
Angle indicator and downward inclination angle indicating device of electric adjusting antenna Download PDFInfo
- Publication number
- CN107994339B CN107994339B CN201711476002.8A CN201711476002A CN107994339B CN 107994339 B CN107994339 B CN 107994339B CN 201711476002 A CN201711476002 A CN 201711476002A CN 107994339 B CN107994339 B CN 107994339B
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- 230000033001 locomotion Effects 0.000 claims abstract description 94
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 2
- 241000668842 Lepidosaphes gloverii Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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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
- H01Q3/02—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
- H01Q3/08—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 two co-ordinates of the orientation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The invention discloses an angle indicator for displaying the adjusting angle of a target object, which comprises the following components: the first motion assembly is connected with the driving assembly of the target object, and the driving assembly can drive the first motion assembly to move when driving the target object to move; the second motion assembly is connected with the first motion assembly, and the first motion assembly can drive the second motion assembly to perform rotary motion when moving; the angle indicating plate is arranged relative to the second moving assembly, the second moving assembly is provided with an angle indicating needle, and the adjusting angle of the target object can be displayed through the relative position of the angle indicating needle on the angle indicating plate. The invention also discloses a device for indicating the downtilt angle of the electrically-tunable antenna. The angle indicator and the downward inclination angle indicating device of the electrically-controlled antenna indicate the downward inclination angle by the visual dial, can reliably protect the device from being influenced by severe environments, and simultaneously, can adapt to different antenna structure requirements by flexible space layout.
Description
Technical Field
The invention relates to the technical field of mobile communication electrically-tunable antennas, in particular to an angle indicator and an electrically-tunable antenna downward inclination angle indicating device.
Background
In mobile communication engineering, a base station antenna is used as an important device for receiving and transmitting electromagnetic waves, and has an important influence on coverage quality of communication signals. After the design of the base station site is determined, the coverage range and coverage quality of the signal are closely related to the antenna downtilt angle, and accurate adjustment of the antenna downtilt angle is an important measure for optimizing the coverage quality of the network.
In general, there are two methods for adjusting the downtilt angle of an antenna, one is to adjust the mechanical downtilt angle of the antenna, that is, the downtilt angle of the antenna is changed by adjusting the angle of the angle arm of the antenna mounting bracket, which has the disadvantages that the operation of manually loading the antenna onto the tower is time-consuming and labor-consuming, and the back lobe of the antenna may generate adjacent area interference, thereby affecting the call quality. Therefore, most of the base station antennas at the present stage adopt an electric downtilt angle adjusting mode, namely, the antenna phase shifter is adjusted to change the phase, so that the horizontal electronic beam direction of the antenna is changed, the purpose of adjusting the coverage range of the antenna is achieved, the method can be operated in a remote electric adjustment and remote control mode, manual tower feeding is not needed, time and labor are saved, and the operation is convenient.
However, the electronic beam direction (i.e. the electrical downtilt) cannot be visually seen, which is inconvenient for production and engineering, and therefore the electrical downtilt of the antenna needs to be visually displayed by means of an indication device associated with the phase shifter actuator.
In the prior art, the electric declination angle of the antenna is indicated by a scale rod extending out of the end cover, one end of the scale rod in the antenna is connected with the phase shifter transmission device, the scale rod is rigid, the scale rod extends out of the antenna housing body and is quite long, the scale rod is easily damaged by the external environment, the rod body and the penetrating hole can be frozen in severe cold areas to block the scale rod, the antenna cannot work normally, and the waterproof operation of the radio frequency connector can be influenced by the quite long scale rod in engineering construction. The other method is to adopt a dial driven by a gear reduction mechanism, the structure is complex, and the internal structure layout of the electric tuning antenna in the form of a built-in motor is greatly restricted, so that the miniaturization of the antenna structure is not facilitated.
Disclosure of Invention
The invention aims to provide an angle indicator and an electric tilt antenna downward inclination angle indicating device, which can indicate the downward inclination angle by an intuitive dial, reliably protect the device from being influenced by severe environment, and adapt to different antenna structure requirements by flexible space layout.
In order to achieve the above purpose, the specific technical scheme of the angle indicator and the downtilt angle indicating device of the electrically-tunable antenna of the invention is as follows:
an angle indicator for displaying an adjustment angle of a target object, comprising: the first motion assembly is connected with the driving assembly of the target object, and the driving assembly can drive the first motion assembly to move when driving the target object to move; the second motion assembly is connected with the first motion assembly, and the first motion assembly can drive the second motion assembly to perform rotary motion when moving; the angle indicating plate is arranged relative to the second moving assembly, the second moving assembly is provided with an angle indicating needle, and the adjusting angle of the target object can be displayed through the relative position of the angle indicating needle on the angle indicating plate.
Further, the first moving assembly and the second moving assembly overlap each other on a moving path of the first moving assembly.
Further, the first motion assembly is disposed outside of the second motion assembly.
Further, the first motion assembly is disposed inside the second motion assembly.
Further, be provided with first connection structure on the first motion subassembly, be provided with second connection structure on the second motion subassembly, first connection structure links to each other with second connection structure, and accessible first connection structure and second connection structure drive second motion subassembly and do rotary motion when the first motion subassembly removes.
Further, the first connection structure on the first motion assembly is a connection column, the second connection structure on the second motion assembly is a spiral groove, the connection column is movably arranged in the spiral groove, and when the first motion assembly moves, the connection column can slide in the spiral groove so as to drive the second motion assembly to do rotary motion.
Further, the first and second moving assemblies are externally provided with a protective case.
An electrically tunable antenna downtilt indication apparatus, comprising: the push-pull rod is connected with the transmission mechanism, and the transmission mechanism can drive the push-pull rod to move when driving the phase shifter to move; the rotating piece is provided with an angle pointer and is connected with the push-pull rod, and the push-pull rod can drive the rotating piece to rotate when moving; the dial is provided with an angle sign, the dial is arranged opposite to the rotating piece, and the downward inclination angle of the electrically-adjustable antenna can be displayed through the angle sign on the dial pointed by the angle pointer on the rotating piece.
Further, the protective sleeve is included, the push-pull rod and the rotating piece are movably arranged in the protective sleeve, the push-pull rod can move in the protective sleeve under the drive of the transmission mechanism, and the rotating piece can rotate in the protective sleeve under the drive of the push-pull rod.
Further, a guide rail is arranged in the protective sleeve, and the push-pull rod can move along the guide rail in the protective sleeve and drive the rotating piece to rotate under the drive of the transmission mechanism.
Further, a guide space is formed in the rotating piece, the push-pull rod is movably arranged in the guide space in the rotating piece, and the push-pull rod can move in the guide space and drive the rotating piece to rotate under the drive of the transmission mechanism.
Further, the connecting column is arranged on the push-pull rod, the spiral groove is arranged on the rotating piece, the connecting column is movably arranged in the spiral groove, and when the push-pull rod moves, the connecting column can slide in the spiral groove to drive the rotating piece to rotate.
Further, the spiral groove is circumferentially provided on the wall surface of the rotating member, and both end portions of the spiral groove do not overlap in the axial direction of the rotating member.
The angle indicator and the electric tuning antenna downward inclination angle indicating device have the advantages that:
1) The angle indicator has the protection of the shell, and can avoid jamming faults or damage caused by freezing and the like so as to ensure the normal operation of the antenna.
2) The invention adopts the push-pull rod to be connected with the phase shifter transmission mechanism, and converts the linear motion of the transmission mechanism into the rotary motion of the rotary shaft through the rotary shaft, thereby converting the antenna downward inclination angle into the circumferential dial indication by the linear scale indication, and overcoming the problems that the length of the antenna housing extending out of the scale rod in the prior art is very long, occupying a larger space of an antenna end cover, and affecting the antenna installation construction and the waterproof construction at the interface.
Drawings
FIG. 1 is an assembled state diagram of the downtilt indicator of the electrically tunable antenna of the present invention;
FIG. 2 is an assembled block diagram of a first embodiment of the present invention;
FIG. 3 is an exploded view of the first embodiment of the present invention;
FIG. 4 is a schematic view of the dial in the first embodiment of the invention;
FIG. 5 is an assembled block diagram of a second embodiment of the present invention;
FIG. 6 is an exploded view of a second embodiment of the present invention;
fig. 7 is a schematic structural view of a dial in a second embodiment of the present invention.
Detailed Description
For a better understanding of the objects, structures and functions of the present invention, a further detailed description of an angle indicator and a downtilt indicator for an electrically tunable antenna according to the present invention will be provided with reference to the accompanying drawings.
The angle indicator of the present invention can be used to display the adjustment angle of a target object, for example, when the angle of a component which is not easily observed is adjusted or when the adjustment angle of the component cannot be intuitively displayed, the adjusted angle can be intuitively and easily observed by the angle indicator of the present invention.
Further, the angle indicator of the present invention includes a first motion assembly, a second motion assembly, and an angle indicating dial. The first motion assembly is connected with the driving assembly of the target object, and the driving assembly can synchronously drive the first motion assembly to move when driving the target object to move so as to adjust the angle. It should be noted that the driving mode of the driving assembly may be various modes, such as linear driving, curve driving, etc., but the most common mode is linear driving, that is, the driving assembly will drive the first moving assembly to make linear motion when the driving object moves, and of course, if the driving mode of the driving assembly is nonlinear driving, the intermediate transmission member may also be provided to convert the nonlinear driving of the driving assembly into the linear motion of the first moving assembly.
Further, the second motion assembly is coupled to the first motion assembly to receive motion of the first motion assembly. The first motion assembly is provided with a first connecting structure, the second motion assembly is provided with a second connecting structure, the first connecting structure is connected with the second connecting structure, and the second motion assembly is driven to rotate through the first connecting structure and the second connecting structure when the first motion assembly moves. It should be noted that the first connection structure and the second connection structure may be any existing structure that converts linear motion into rotational motion, such as a cylinder and a spiral groove, a spiral rod and a clamping groove, etc., and, of course, if the first motion component is nonlinear motion, the first connection structure and the second connection structure should be structures that convert corresponding nonlinear motion into rotational motion, that is, the first connection structure and the second connection structure have the basic function of receiving the drive of the first motion component and converting the drive of the first motion component into rotational motion of the second motion component.
Further, an angle indicating dial is disposed relative to the second motion assembly for indicating the angle. The second motion assembly is provided with an angle indicating needle, the driving assembly of the target object synchronously drives the first motion assembly to move when driving the target object to move, and the first motion assembly synchronously drives the second motion assembly to rotate when moving, so that the rotation of the second motion assembly can be reflected through the relative position of the angle indicating needle on the angle indicating disc, and the adjusting angle of the target object can be intuitively displayed.
Further, the size and space occupation of such auxiliary devices as angle indicators should be minimized based on the miniaturization requirements of the overall device. Therefore, in the angle indicator, the motion paths of the first motion assembly and the second motion assembly can be properly overlapped, for example, the first motion assembly is arranged outside the second motion assembly, and when the driving assembly of the target object drives the first motion assembly to move, the first motion assembly can be gradually overlapped with the second motion assembly in the axial direction and drives the second motion assembly to rotate; or the first motion assembly is directly arranged in the second motion assembly, and the driving assembly of the target object can drive the first motion assembly to move in the second motion assembly and drive the second motion assembly to rotate.
Further, the angle indicator of the present invention has a very wide application field, which may be an outdoor or a region with a bad environment, and in order to ensure long-term use of the angle indicator, it is preferable that the angle indicator of the present invention is provided with a protective housing, and the first moving component and the second moving component may be disposed inside the protective housing, and since the angle indicating disc needs to be frequently used to observe data, the angle indicating disc is typically disposed outside the protective housing, such as an end portion disposed on the protective housing corresponding to the angle indicating needle on the second moving component.
As shown in fig. 1 to 4, a first embodiment of an electrically tunable antenna downtilt indicator device 1 according to the present invention is shown. In this embodiment, the downtilt angle indicating device 100 of the electrically tunable antenna includes a sleeve 110, a first accommodating chamber 111 and a second accommodating chamber 112 are formed inside the sleeve 110, a push-pull rod 120 is movably disposed in the first accommodating chamber 111, and a rotating shaft 130 is movably disposed in the second accommodating chamber 112.
Further, the push-pull rod 120 has a rod-like structure and can move linearly in the first accommodating chamber 111 of the sleeve 110. Wherein, a connecting groove 121 is formed at one end of the push-pull rod 120, the connecting groove 121 can be connected with a transmission mechanism 2, the transmission mechanism 2 can be used for driving a phase shifter to move so as to realize the adjustment of the electric declination angle of the antenna beam, and simultaneously, the push-pull rod 120 can reciprocate in a first accommodating chamber 111 inside the sleeve 110 under the drive of the transmission mechanism 2; the other end of the push-pull rod 120 is provided with a pin 122, and in this embodiment, the pin 122 is disposed on the lower end surface of the push-pull rod 120 corresponding to the positional relationship between the push-pull rod 120 and the rotating shaft 130.
Further, the rotating shaft 130 has a cylindrical structure and can perform a rotational motion in the second accommodating chamber 112 of the sleeve 110. Wherein, a clamping groove 131 is arranged at one end of the rotating shaft 130, and a clamping ring 132 can be clamped in the clamping groove 131 to prevent the rotating shaft 130 from axially moving in the second accommodating chamber 112 of the sleeve 110; the other end of the rotating shaft 130 is provided with a pointer 133, and the pointer 133 can synchronously rotate along with the rotating shaft 130; the spiral groove 134 is formed on the side wall surface of the rotation shaft 130, the spiral groove 134 is provided to extend around between both end portions of the rotation shaft 130, and both end portions of the spiral groove 134 do not overlap in the axial direction of the rotation shaft 130.
Further, a connection groove is formed between the first accommodating chamber 111 and the second accommodating chamber 112 inside the sleeve 110, and the pin 122 on the push-pull rod 120 can pass through the connection groove and then be connected with the spiral groove 134 on the rotating shaft 130, so that when the transmission mechanism 2 drives the push-pull rod 120 to move in the first accommodating chamber 111 inside the sleeve 110, the pin 122 on the push-pull rod 120 can slide along the spiral groove 134 on the rotating shaft 130 and synchronously drive the rotating shaft 130 to rotate. It should be noted that, due to the structural design of the spiral groove 134 on the rotating shaft 130, the driving rotation of the push-pull rod 120 to the rotating shaft 130 does not exceed 360 degrees, so as to ensure the accuracy and safety of the electrically tunable antenna downtilt indicating device 100 of the present invention.
Further, a dial 140 is provided on the end of the sleeve 110 corresponding to the pointer 133 on the rotation shaft 130, and a downtilt angle indicating score line and an angle indicating number may be provided on the dial 140. The dial 140 is disposed in the mounting hole 113 at the end of the sleeve 110 through the claw 141, the pointer 133 on the rotating shaft 130 corresponds to the down-dip angle indication line and the angle indication number on the dial 140, when the pointer 133 rotates along with the rotating shaft 130, the pointer 133 will rotate relative to the dial 140, and at this time, the angle indicated by the pointer 133 is the current electrical down-dip angle of the antenna. It should be noted that the dial 140 is preferably made of a transparent material so that the position of the pointer 133 can be seen through the dial 140, and that the graduations and angle numbers on the dial 140 can be imprinted on the dial 140, or can be affixed using a graduation label.
Further, the sleeve 110 is provided with a supporting seat 114, and the electrically tunable antenna downtilt indicating device 100 of the present invention may be fixed on an antenna reflecting plate by the supporting seat 114, specifically, may be installed at an antenna bottom end cover, and the dial 140 should be exposed to the outside of the antenna housing, so that the angle indication on the dial 140 can be seen from the outside of the antenna.
As shown in fig. 1, 5 to 7, a second embodiment of the electrically tunable antenna downtilt indicator 1 of the present invention is shown. In this embodiment, the electrically tunable antenna downtilt indicator 200 includes a first sleeve 210 and a second sleeve 250 disposed opposite to each other, and the spiral tube 230 is movably disposed on the first sleeve 210 and the second sleeve 250.
Further, the spiral tube 230 has a cylindrical structure and is rotatably movable with respect to the first and second bushings 210 and 250. One end of the spiral tube 230 is provided with a pointer 233, and the pointer 233 can synchronously rotate along with the spiral tube 230; the other end of the spiral pipe 230 is formed with an opening, an accommodating cavity is formed inside, a spiral groove 234 is formed on the inner side wall of the accommodating cavity, the spiral groove 234 is arranged in a surrounding extending mode between two end portions of the accommodating cavity, and the two end portions of the spiral groove 234 are not overlapped in the axial direction of the accommodating cavity. It should be noted that the first sleeve 210 and the second sleeve 250 are provided with axial stops, with which the coil 230 contacts to limit the axial movement of the coil 230.
Further, the push-pull rod 220 has a rod-shaped structure, and is movably disposed in the accommodating cavity inside the spiral tube 230, so as to perform a linear motion in the accommodating cavity. Wherein, a connecting groove 221 is formed at one end of the push-pull rod 220, the connecting groove 221 can be connected with a transmission mechanism 2, the transmission mechanism 2 can be used for driving a phase shifter to move so as to realize the adjustment of the electric declination angle of the antenna beam, and simultaneously, the push-pull rod 220 can reciprocate in a containing cavity in the spiral tube 230 under the drive of the transmission mechanism 2; the other end of the push-pull rod 220 is provided with a pin 222, after the push-pull rod 220 is inserted into the accommodating cavity in the spiral pipe 230, the pin 222 can be connected with a spiral groove 234 on the spiral pipe 230, so that when the transmission mechanism 2 drives the push-pull rod 220 to move in the accommodating cavity in the spiral pipe 230, the pin 222 on the push-pull rod 220 can slide along the spiral groove 234 on the spiral pipe 230 and synchronously drive the spiral pipe 230 to rotate. It should be noted that, due to the structural design of the spiral groove 234 on the spiral tube 230, the driving rotation of the push-pull rod 220 to the spiral tube 230 will not exceed 360 degrees, so as to ensure the accuracy and safety of the electrically tunable antenna downtilt indicating device 200 of the present invention.
Further, a dial 240 is disposed on the first shaft sleeve 210 at a position corresponding to the pointer 233 on the spiral tube 230, and a dip angle indication line and an angle indication number may be disposed on the dial 240, when the pointer 233 rotates with the spiral tube 230, the pointer 233 will rotate relative to the dial 240, and at this time, the angle indicated by the pointer 233 is the current electrical dip angle of the antenna.
Further, the first sleeve 210 and the second sleeve 250 are provided with mounting seats 260, and the electrically tunable antenna downtilt angle indicating device 200 of the present invention can be fixedly mounted on an antenna reflecting plate through the mounting seats 260.
The downward inclination angle indicating device of the electric adjusting antenna has the advantages of compact structure, small occupied space, contribution to the structural layout of the inside of the antenna, protection of the shell from severe environment and overcoming of the defects of the prior art.
The invention has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the invention, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.
Claims (9)
1. An angle indicator for displaying an adjustment angle of a target object, comprising:
the first motion assembly is connected with the driving assembly of the target object, and the driving assembly can drive the first motion assembly to move when driving the target object to move;
the second motion assembly is connected with the first motion assembly, and the first motion assembly can drive the second motion assembly to perform rotary motion when moving;
the first moving assembly is provided with a first connecting structure, the second moving assembly is provided with a second connecting structure, the first connecting structure is connected with the second connecting structure, and the second moving assembly can be driven to rotate through the first connecting structure and the second connecting structure when the first moving assembly moves;
the first connecting structure on the first moving assembly is a connecting column, the second connecting structure on the second moving assembly is a spiral groove, two end parts of the spiral groove are not overlapped in the axial direction of the second moving assembly, the connecting column is movably arranged in the spiral groove, and when the first moving assembly moves, the connecting column can slide in the spiral groove to drive the second moving assembly to do rotary motion;
the angle indicating plate is arranged relative to the second moving assembly, the second moving assembly is provided with an angle indicating needle, and the adjusting angle of the target object can be displayed through the relative position of the angle indicating needle on the angle indicating plate.
2. The angle indicator of claim 1, wherein the first motion assembly and the second motion assembly overlap each other in a motion path of the first motion assembly.
3. The angle indicator of claim 2, wherein the first motion assembly is disposed external to the second motion assembly.
4. The angle indicator of claim 2, wherein the first motion assembly is disposed inside the second motion assembly.
5. The angle indicator according to any one of claims 1 to 4, wherein the first and second movement assemblies are externally provided with a protective housing.
6. An electrically tunable antenna downtilt indicator, comprising:
the push-pull rod is connected with the transmission mechanism, and the transmission mechanism can drive the push-pull rod to move when driving the phase shifter to move;
the rotating piece is provided with an angle pointer and is connected with the push-pull rod, and the push-pull rod can drive the rotating piece to rotate when moving;
the dial is provided with an angle sign, the dial is arranged opposite to the rotating piece, and the downward inclination angle of the electrically-tunable antenna can be displayed through the angle sign on the dial pointed by the angle pointer on the rotating piece;
the push-pull rod is provided with a connecting column, the rotating piece is provided with a spiral groove, the connecting column is movably arranged in the spiral groove, and when the push-pull rod moves, the connecting column can slide in the spiral groove to drive the rotating piece to rotate;
the spiral groove is circumferentially provided on the wall surface of the rotating member, and both end portions of the spiral groove do not overlap in the axial direction of the rotating member.
7. The device of claim 6, wherein the device comprises a protective sleeve, the push-pull rod and the rotating member are movably arranged in the protective sleeve, the push-pull rod can move in the protective sleeve under the drive of the transmission mechanism, and the rotating member can rotate in the protective sleeve under the drive of the push-pull rod.
8. The device of claim 7, wherein a guide rail is disposed inside the protective sleeve, and the push-pull rod is driven by the transmission mechanism to move along the guide rail in the protective sleeve and drive the rotating member to rotate.
9. The device of claim 6, wherein a guiding space is formed inside the rotating member, the push-pull rod is movably disposed in the guiding space inside the rotating member, and the push-pull rod is driven by the transmission mechanism to move in the guiding space and drive the rotating member to rotate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476002.8A CN107994339B (en) | 2017-12-29 | 2017-12-29 | Angle indicator and downward inclination angle indicating device of electric adjusting antenna |
| PCT/CN2018/103055 WO2019128280A1 (en) | 2017-12-29 | 2018-08-29 | Angle indicator and electrically-adjusted antenna downtilt angle indicating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476002.8A CN107994339B (en) | 2017-12-29 | 2017-12-29 | Angle indicator and downward inclination angle indicating device of electric adjusting antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107994339A CN107994339A (en) | 2018-05-04 |
| CN107994339B true CN107994339B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711476002.8A Active CN107994339B (en) | 2017-12-29 | 2017-12-29 | Angle indicator and downward inclination angle indicating device of electric adjusting antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107994339B (en) |
| WO (1) | WO2019128280A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994339B (en) * | 2017-12-29 | 2023-11-10 | 京信通信技术(广州)有限公司 | Angle indicator and downward inclination angle indicating device of electric adjusting antenna |
| CN109084716A (en) * | 2018-09-14 | 2018-12-25 | 京信通信系统（中国）有限公司 | The detection device of antenna, rotating member and the location information for detecting rotating member |
| CN109449598B (en) * | 2018-10-26 | 2021-01-22 | 京信通信技术(广州)有限公司 | Inclination angle adjusting method and corresponding device of electrically-tuned antenna |
| CN109802237B (en) * | 2019-02-01 | 2021-02-19 | 摩比科技（深圳）有限公司 | Downtilt angle adjusting device of electrically tunable antenna and electrically tunable antenna |
| CN110120577B (en) * | 2019-05-21 | 2021-08-10 | 中国联合网络通信集团有限公司 | Antenna mounting device and mounting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012149779A1 (en) * | 2011-09-29 | 2012-11-08 | 华为技术有限公司 | Downtilt angle adjustment apparatus for electrically down tilt antenna |
| CN205543240U (en) * | 2016-03-08 | 2016-08-31 | 深圳国人通信股份有限公司 | Antenna actuating mechanism is transferred to electricity |
| CN107994339B (en) * | 2017-12-29 | 2023-11-10 | 京信通信技术(广州)有限公司 | Angle indicator and downward inclination angle indicating device of electric adjusting antenna |
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- 2017-12-29 CN CN201711476002.8A patent/CN107994339B/en active Active
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2018
- 2018-08-29 WO PCT/CN2018/103055 patent/WO2019128280A1/en active Application Filing
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| GB190925902A (en) * | 1909-11-09 | 1910-11-09 | Frederick Cameron Cowburn | Improved Means for Indicating the Quantity or Depth of Liquid in Tanks or Vessels. |
| CN1110011A (en) * | 1993-12-06 | 1995-10-11 | 阿尔卡泰尔有限公司 | Antenna assembly |
| CN201829620U (en) * | 2010-09-03 | 2011-05-11 | 摩比天线技术（深圳）有限公司 | Graduation-displayed scale zooming device of electrically-adjusting antenna |
| CN104409854A (en) * | 2014-12-04 | 2015-03-11 | 武汉虹信通信技术有限责任公司 | Regulating device for rotating scale of tunable antenna |
| CN106159441A (en) * | 2016-08-04 | 2016-11-23 | 京信通信技术(广州)有限公司 | Angle display, angle of declination display device and antenna |
| CN206163713U (en) * | 2016-11-07 | 2017-05-10 | 京信通信技术(广州)有限公司 | Base station antenna and electrical down -tilting angle display device thereof |
| CN207602789U (en) * | 2017-12-29 | 2018-07-10 | 京信通信系统（中国）有限公司 | Angle display and electric melody aerial lower inclination angle instruction device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107994339A (en) | 2018-05-04 |
| WO2019128280A1 (en) | 2019-07-04 |
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