CN113346243A - Display device for electrically-controlled antenna downward inclination angle and electrically-controlled antenna - Google Patents
Display device for electrically-controlled antenna downward inclination angle and electrically-controlled antenna Download PDFInfo
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- CN113346243A CN113346243A CN202110518022.7A CN202110518022A CN113346243A CN 113346243 A CN113346243 A CN 113346243A CN 202110518022 A CN202110518022 A CN 202110518022A CN 113346243 A CN113346243 A CN 113346243A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
Abstract
The invention provides a display device for the downtilt angle of an electrically-tunable antenna, which comprises a shell, and a driving gear shaft, a variable gear shaft, a scale ring driving shaft and a scale ring which are arranged in the shell; when the phase shifter works, the screw rod rotates, the screw rod drives the driving gear shaft to rotate through the connecting piece, the driving gear shaft drives the variable ratio gear shaft to rotate in a reversing mode through the first reversing gear and the second reversing gear which are meshed with each other, the variable ratio gear shaft drives the scale ring driving shaft to rotate in a variable ratio mode through the first variable ratio gear and the second variable ratio gear which are meshed with each other, the scale ring driving shaft drives the scale ring to rotate through the bulges and the cut holes, and the scale ring displays scale value change of a downward inclination angle in the transparent window through rotation. The invention also correspondingly provides the electrically tunable antenna. Therefore, the invention has the advantages of small volume, simple structure and simple reading, and can improve the display precision of the downward inclination angle.
Description
Technical Field
The invention relates to the technical field of mobile communication base stations, in particular to a display device for a downward inclination angle of an electric tilt antenna and the electric tilt antenna.
Background
The following display modes of the downtilt angle of the existing electrically-adjustable antenna are common: firstly, an exposed part display mode: the scale is gradually exposed to the exposed portion to display the scale, but the exposed portion is easily damaged. Secondly, the scale is pulled out to read the mode: the scale is compressed by the spring, need extract the scale reading during the demonstration, and inside spring is influential to the intermodulation on the one hand, and the number of degrees is direct inadequately on the one hand. And thirdly, a disc display mode: the scales are displayed through conversion of a worm gear and a worm or conversion of the ratio of more gears, and the display precision is poor due to the participation of more ratio-changing mechanisms. Meanwhile, along with the improvement of the integration level of the antenna, most of the antenna is at least 16 ports, so that the down tilt angle is displayed in a mode of small size and simple reading.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a display device for an electrically tunable antenna and an electrically tunable antenna, which have a small size, a simple structure, and simple reading, and can improve the display accuracy of the downtilt angle.
In order to achieve the purpose, the invention provides a display device for the downward inclination angle of an electrically-adjustable antenna, which comprises a shell, and a driving gear shaft, a variable gear shaft, a scale ring driving shaft and a scale ring which are arranged in the shell; at least one cylinder structure is arranged inside the shell, and a transparent window is arranged on the surface of the shell; the driving gear shaft is respectively provided with a connecting piece and a first reversing gear, and the connecting piece is connected with the screw rod; the variable-ratio gear shaft is respectively provided with a second reversing gear and a first variable-ratio gear, and the second reversing gear is meshed with the first reversing gear; the scale ring driving shaft is respectively provided with a second variable ratio gear and a plurality of bulges, and the second variable ratio gear is meshed with the first variable ratio gear; the scale ring is connected to the scale ring driving shaft and the column body structure in a surrounding manner, a plurality of cutting holes are correspondingly formed in the scale ring, and the protrusions on the scale ring driving shaft are inserted into the cutting holes;
when the phase shifter works, the screw rod rotates, the screw rod drives the driving gear shaft to rotate through the connecting piece, the driving gear shaft drives the variable ratio gear shaft to rotate in a reversing mode through the first reversing gear and the second reversing gear which are meshed with each other, the variable ratio gear shaft drives the scale ring driving shaft to rotate in a variable ratio mode through the first variable ratio gear and the second variable ratio gear which are meshed with each other, the scale ring driving shaft drives the scale ring to rotate through the bulges and the cut holes, and the scale ring displays scale value change of a downward inclination angle in the transparent window through rotation.
According to the display device for the downward inclination angle of the electrically-regulated antenna, the first reversing gear is a first umbrella-shaped gear; the second reversing gear is a second bevel gear.
According to the display device for the downward inclination angle of the electrically-adjustable antenna, the first variable ratio gear is a first straight gear; the second variable ratio gear is a second straight gear, and the tooth number of the first straight gear is larger than that of the second straight gear.
According to the display device for the downtilt angle of the electrically tunable antenna, the ratio of the number of teeth of the first spur gear to the number of teeth of the second spur gear is 1: 4.
according to the display device for the downward inclination angle of the electrically tunable antenna, the connecting piece of the driving gear shaft is a spline.
According to the display device for the downward inclination angle of the electrically-tunable antenna, one end of the driving gear shaft is provided with the connecting piece, and the other end of the driving gear shaft is provided with the first reversing gear;
the second reversing gear is arranged in the middle of the variable-ratio gear shaft, and the first variable-ratio gear is arranged at one end of the variable-ratio gear shaft;
one end of the scale ring driving shaft is provided with the second variable ratio gear, and the middle part of the scale ring driving shaft is provided with the bulge.
According to the display device for the downward inclination angle of the electrically-adjustable antenna, the shell is made of transparent plastic materials; and/or
The scale ring comprises a band-shaped body made of plastic materials, and scale values are printed on the band-shaped body.
According to the display device for the downward inclination angle of the electrically-adjustable antenna, the transparent window is arranged on the position, corresponding to one rotation path of the scale ring, of the shell; and/or
An arrow for indicating the scale value is arranged at or near the transparent window.
According to the display device for the downward inclination angle of the electrically-regulated antenna, the shell comprises a shell body and a cover body, the shell body is provided with an accommodating cavity and an opening communicated with the accommodating cavity, and the cover body and the shell body are detachably connected to shield the opening; the driving gear shaft, the variable ratio gear shaft, the scale ring driving shaft, the scale ring and the column structure are accommodated and fixed in the accommodating cavity of the shell.
According to the display device for the downward inclination angle of the electrically-adjusted antenna, the shell comprises a bottom and a side wall surrounding the bottom, and the bottom and the side wall jointly form the accommodating cavity and the opening; the variable ratio gear shaft, the scale ring driving shaft, the scale ring and the cylinder structure are fixed on the bottom and are contained in the containing cavity; the transparent window is arranged on the side wall.
According to the display device for the downward inclination angle of the electrically-regulated antenna, the shell is further provided with a power access port, the first reversing gear of the driving gear shaft extends into the accommodating cavity through the power access port and is meshed with the second reversing gear of the variable-ratio gear shaft, and the connecting piece of the driving gear shaft is arranged outside the accommodating cavity and is connected with the screw rod.
According to the display device for the electrically-adjusted antenna downward inclination angle, the bottom edge of the shell is symmetrically provided with four hollow first cylinders, the bottom edge of the cover body is correspondingly provided with four second cylinders, the four second cylinders are respectively embedded into the four first cylinders to form four cylinder structures, and the scales are connected to the scale ring driving shaft and the four cylinder structures in a surrounding mode.
The invention also provides an electric tilt antenna which comprises a display device of the electric tilt antenna declination angle.
The invention discloses a display device for electrically adjusting the downward inclination angle of an antenna, which comprises a shell, and a driving gear shaft, a variable ratio gear shaft, a scale ring driving shaft and a scale ring which are arranged in the shell. The phase shifter enables a screw rod to rotate when in work, the screw rod drives a driving gear shaft to rotate through a connecting piece, the driving gear shaft drives a variable ratio gear shaft to rotate in a reversing mode through a first reversing gear and a second reversing gear which are meshed with each other, the variable ratio gear shaft drives a scale ring driving shaft to rotate in a variable ratio mode through a first variable ratio gear and a second variable ratio gear which are meshed with each other, the scale ring driving shaft drives a scale ring to rotate through a protrusion and a cutting hole, and the scale ring displays scale value change in a transparent window through rotation. The invention drives the scale ring to rotate by reversing, changing ratio and linking of the three gear shafts, and can directly read the current scale value of the lower inclination angle through the transparent window. Therefore, the invention has the advantages of small volume, simple structure and simple reading, can improve the display precision of the downward inclination angle, and avoids the complicated manual operation.
Drawings
Fig. 1 is a perspective view of a display device for an electrically tunable antenna downtilt angle according to an embodiment of the present invention;
fig. 2 is an exploded perspective view of a display device for an electrically tunable antenna downtilt angle according to an embodiment of the present invention;
fig. 3 is a perspective view of the display device for electrically adjusting the downward tilt angle of an antenna provided by the embodiment of the invention, with a cover removed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that references in the specification to "one embodiment," "an example embodiment," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not intended to refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Moreover, where certain terms are used throughout the description and following claims to refer to particular components or features, those skilled in the art will understand that manufacturers may refer to a component or feature by different names or terms. This specification and the claims that follow do not intend to distinguish between components or features that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. In addition, the term "connected" as used herein includes any direct and indirect electrical connection. Indirect electrical connection means include connection by other means.
Fig. 1 to 3 illustrate a structure of a display device for optimizing an electrical tilt angle of an antenna according to an embodiment of the present invention, where the display device 100 for an electrical tilt angle of an antenna includes a housing 10, and a driving gear shaft 20, a transformation ratio gear shaft 30, a scale ring driving shaft 40, and a scale ring 50, which are disposed in the housing 10.
The interior of the housing 10 is provided with at least one cylindrical structure 60, and the surface of the housing 10 is provided with a transparent window 70. Preferably, the housing 10 is provided with a transparent window 70 at a position corresponding to one rotation path of the scale ring 50. The housing 10 is used for supporting the internal structure of the display device 100 for electrically tunable antenna downtilt angle, and at the same time, forms a transparent window 70 for reading the reading of the inner scale ring 50. As shown in fig. 1, an arrow 71 for indicating a scale value is preferably provided at or near the transparent window 70, and the scale value pointed by the cutting head 71 is the current scale value of the downward inclination. More preferably, the housing 10 is made of a transparent plastic material, preferably transparent PC (polycarbonate). In the present embodiment, the housing 10 is a rectangular parallelepiped, but the shape of the housing 10 is not particularly limited, and may be any polygonal, cylindrical, irregular, or the like.
The driving gear shaft 20 is provided with a connecting member 21 and a first reversing gear 22, as shown in fig. 2 and 3, the connecting member 21 is connected with a screw rod in the antenna transmission device as a power source. The phaser is operated to rotate the screw which in turn rotates the drive gear shaft 20 via the coupling 21. Preferably, the driving gear shaft 20 is provided at one end with a coupling member 21 and at the other end with a first reversing gear 22. More preferably, the connecting member 21 is a spline, and the spline is connected to the screw.
The ratio-changing gear shaft 30 is provided with a second reversing gear 31 and a first ratio-changing gear 32, as shown in fig. 2 and 3, the second reversing gear 31 is engaged with the first reversing gear 22 of the driving gear shaft 20 to reverse the power source. Preferably, the first direction changing gear 22 is a first bevel gear 22, the second direction changing gear 31 is a second bevel gear 31, and the first bevel gear 22 and the second bevel gear 31 are engaged with each other to convert the lateral rotational power into the vertical rotational power. Preferably, the second reversing gear 31 is provided at the middle portion of the variable ratio gear shaft 30, and the first variable ratio gear 32 is provided at one end of the variable ratio gear shaft 30.
The scale ring driving shaft 40 is provided with a second ratio-changing gear 41 and a plurality of protrusions 42, respectively, as shown in fig. 2 and 3, and the second ratio-changing gear 41 is engaged with the first ratio-changing gear 32 of the ratio-changing gear shaft 30. Preferably, the first ratio-changing gear 32 is a first straight gear 32. The second ratio-change gear 41 is a second spur gear 41, and the number of teeth of the first spur gear 32 is greater than the number of teeth of the second spur gear 41. In this way, the first spur gear 32 having a small number of teeth at one end of the variable ratio gear shaft 30 is engaged with the second spur gear 41 having a large number of teeth at the end of the scale ring driving shaft 40, thereby forming linkage and ratio change. Preferably, one end of the scale ring driving shaft 40 is provided with a second ratio-changing gear 41, and the middle of the scale ring driving shaft 40 is provided with a protrusion 42.
Preferably, the ratio of the number of teeth of the first spur gear 32 to the number of teeth of the second spur gear 41 is 1: 4, the transmission ratio of the first spur gear 32 of the variable ratio gear shaft 30 to the second spur gear 41 of the scale ring driving shaft 40 is 4: 1, the displacement of the phase shifter in the antenna is ensured to be equal to the gap of each scale of the scale ring 50, and the precision and the definition of numerical value display are achieved. Preferably, the protrusion 42 of the scale ring driving shaft 40 is of a cubic type in the present embodiment, but the shape of the protrusion 42 is not particularly limited, and may be any of a polygonal type, a cylindrical type, an irregular type, and the like. In the present embodiment, the projections 42 are uniformly distributed on the scale ring driving shaft 40, but the projections 42 may be non-uniformly distributed on the scale ring driving shaft 40.
The scale ring 50 is wound around the scale ring driving shaft 40 and the column structure 60, as shown in fig. 2 and 3, and a plurality of cut holes 51 are correspondingly cut in the scale ring 50, the cut holes 51 match with the shape of the protrusions 42 on the scale ring driving shaft 40, so that the protrusions 42 on the scale ring driving shaft 40 can be inserted into the cut holes 51, and the scale ring 50 and the scale ring driving shaft 40 can be ensured to rotate synchronously. Thus, the driving gear shaft 20 and the variable ratio gear shaft 30 convert the lateral rotational power into the rotation in the vertical direction, and simultaneously rotate the scale ring driving shaft 40, which in turn rotates the scale ring 50 to display the reading.
Preferably, the scale ring 50 comprises a band of plastic material having scale values printed thereon. Preferably, the scale ring 50 is made of milky white PET (polyethylene terephthalate) film and is silk-screened with black scale values, and the side is cut with a cut hole 51 to be driven. In the present embodiment, the cutout 51 of the scale ring 50 is rectangular parallelepiped, but the shape of the cutout 51 is not particularly limited, and may be any polygonal shape, circular shape, irregular shape, or the like. Also, the cut holes 51 may be evenly distributed or unevenly distributed on the scale ring 50.
The present invention changes the scale value by the reversing, transformation ratio and linkage of the three gear shafts of the driving gear shaft 20, the transformation ratio gear shaft 30 and the scale ring driving shaft 40, namely, the scale ring 50 is driven to rotate, and the current scale value of the lower inclination angle can be directly read through the transparent window 70. Therefore, the invention has the advantages of small volume, simple structure and simple reading, and avoids the complicated manual operation while improving the display precision of the downward inclination angle.
Preferably, the housing 10 includes a housing 11 and a cover 12, as shown in fig. 2 and 3, the housing 11 is provided with an accommodating chamber and an opening communicating with the accommodating chamber, and the cover 12 and the housing 11 are detachably connected to shield the opening. The driving gear shaft 20, the variable ratio gear shaft 30, the scale ring driving shaft 40, the scale ring 50 and the column structure 60 are accommodated and fixed in the accommodating cavity of the housing 11. Preferably, the housing 11 and the cover 12 are made of a transparent plastic material, preferably transparent PC (polycarbonate).
Preferably, the housing 11 includes a bottom and a sidewall surrounding the bottom, as shown in fig. 2 and 3, the bottom and the sidewall together forming a receiving cavity and an opening. The ratio gear shaft 30, the scale ring drive shaft 40, the scale ring 50 and the cylindrical structure 60 are fixed on the bottom and accommodated in the accommodation cavity, while the transparent window 70 is provided on the side wall. Preferably, the side wall of the housing 11 is provided with a transparent window 70 at a position corresponding to one rotation path of the scale ring 50. As shown in fig. 1, an arrow 71 for indicating the scale value is provided at or near the transparent window 70. In the present embodiment, the housing 11 is a rectangular parallelepiped, but the shape of the housing 11 is not particularly limited, and may be a square, a cylinder, an irregular shape, or the like.
Preferably, the housing 11 is further provided with a power inlet 13, as shown in fig. 3, the first reversing gear 22 of the driving gear shaft 20 extends into the accommodating cavity through the power inlet 13 and is engaged with the second reversing gear 31 of the variable ratio gear shaft 30, and the connecting member 21 of the driving gear shaft 20 is disposed outside the accommodating cavity and connected to the screw.
Preferably, four hollow first cylinders 61 are symmetrically disposed on the bottom edge of the housing 11, as shown in fig. 2, four second cylinders 62 are correspondingly disposed on the bottom edge of the cover 12, and the diameter of the second body 62 is smaller than the hollow diameter of the first cylinders 61, so that the four second cylinders 62 are respectively embedded in the four first cylinders 61 to form four cylinder structures 60, and then the scale ring 50 is wound around the scale ring driving shaft 40 and the four cylinder structures 60. On one hand, the first cylinder 61 of the housing 11 and the second cylinder 62 of the cover 12 are sleeved to form the cylinder structure 60, so that the overall structure of the display device 100 with the electrically tunable antenna having a downtilt angle is more stable; on the other hand, the winding method of the scale ring 50 wound on the scale ring driving shaft 40 and the four column structures 60 can ensure that the scale ring 50 has enough length for silk-screen scale value, and simultaneously ensures that the transparent window 70 can be set to be large enough, can display more scale values and is convenient for visual identification.
The working principle of the display device 100 for the electrically tunable antenna downtilt angle of the present invention is as follows:
when the phase shifter works, the corresponding screw rod rotates, and the screw rod drives the driving gear shaft 20 to rotate through the connecting piece 21.
Secondly, the gear shaft 20 is driven to rotate, and the variable ratio gear shaft 30 is driven to rotate in a reversing way through the first reversing gear 22 and the second reversing gear 31 which are meshed with each other, namely, the transverse rotating power is converted into the rotation in the vertical direction through the matching of the first reversing gear 22 and the second reversing gear 31.
Thirdly, the ratio-changing gear shaft 30 rotates, and the scale ring driving shaft 40 is driven to perform ratio-changing rotation through the first ratio-changing gear 32 and the second ratio-changing gear 41 which are meshed with each other.
Fourthly, the scale ring driving shaft 40 rotates, and the scale ring 50 is driven to rotate by inserting the protrusion 42 into the cut hole 51 of the scale ring 50.
And fifthly, the scale ring 50 brings the change of the scale value through rotation, and displays the change of the scale value of the downward inclination angle through the transparent window 70. Specifically, the current scale value of the down tilt angle can be read through the transparent window 70 of the housing 11 and the arrow 71, thereby realizing the function.
The advantages of the display device 100 for the downtilt angle of the electrically tunable antenna of the present invention include:
(1) and a scale or other structural parts do not extend out of the end cover, so that damage is avoided.
(2) The scales are directly displayed on the shell without manual operation, and direct reading can be realized.
(3) The stroke change of the phase shifter directly corresponds to the scale change without a complex transformation ratio mechanism, and the display precision is improved.
The invention also provides an electric tilt antenna, which comprises a display device 100 of the electric tilt antenna declination angle shown in the figures 1-3.
In summary, the display device for electrically tunable antenna downtilt angle of the present invention includes a housing, and a driving gear shaft, a variable gear shaft, a scale ring driving shaft and a scale ring disposed in the housing. The phase shifter enables a screw rod to rotate when in work, the screw rod drives a driving gear shaft to rotate through a connecting piece, the driving gear shaft drives a variable ratio gear shaft to rotate in a reversing mode through a first reversing gear and a second reversing gear which are meshed with each other, the variable ratio gear shaft drives a scale ring driving shaft to rotate in a variable ratio mode through a first variable ratio gear and a second variable ratio gear which are meshed with each other, the scale ring driving shaft drives a scale ring to rotate through a protrusion and a cutting hole, and the scale ring displays scale value change in a transparent window through rotation. The invention drives the scale ring to rotate by reversing, changing ratio and linking of the three gear shafts, and can directly read the current scale value of the lower inclination angle through the transparent window. Therefore, the invention has the advantages of small volume, simple structure and simple reading, can improve the display precision of the downward inclination angle, and avoids the complicated manual operation.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (13)
1. A display device for the downtilt angle of an electrically-regulated antenna is characterized by comprising a shell, and a driving gear shaft, a variable gear shaft, a scale ring driving shaft and a scale ring which are arranged in the shell; at least one cylinder structure is arranged inside the shell, and a transparent window is arranged on the surface of the shell; the driving gear shaft is respectively provided with a connecting piece and a first reversing gear, and the connecting piece is connected with the screw rod; the variable-ratio gear shaft is respectively provided with a second reversing gear and a first variable-ratio gear, and the second reversing gear is meshed with the first reversing gear; the scale ring driving shaft is respectively provided with a second variable ratio gear and a plurality of bulges, and the second variable ratio gear is meshed with the first variable ratio gear; the scale ring is connected to the scale ring driving shaft and the column body structure in a surrounding manner, a plurality of cutting holes are correspondingly formed in the scale ring, and the protrusions on the scale ring driving shaft are inserted into the cutting holes;
when the phase shifter works, the screw rod rotates, the screw rod drives the driving gear shaft to rotate through the connecting piece, the driving gear shaft drives the variable ratio gear shaft to rotate in a reversing mode through the first reversing gear and the second reversing gear which are meshed with each other, the variable ratio gear shaft drives the scale ring driving shaft to rotate in a variable ratio mode through the first variable ratio gear and the second variable ratio gear which are meshed with each other, the scale ring driving shaft drives the scale ring to rotate through the bulges and the cut holes, and the scale ring displays scale value change of a downward inclination angle in the transparent window through rotation.
2. The display device of the downward inclination angle of the electrically-regulated antenna according to claim 1, wherein the first reversing gear is a first bevel gear; the second reversing gear is a second bevel gear.
3. The display device of the downward inclination angle of the electrically-regulated antenna according to claim 1, wherein the first variable ratio gear is a first straight gear; the second variable ratio gear is a second straight gear, and the tooth number of the first straight gear is larger than that of the second straight gear.
4. The apparatus for displaying the downtilt angle of an electrically tunable antenna according to claim 3, wherein a ratio of the number of teeth of the first spur gear to the number of teeth of the second spur gear is 1: 4.
5. the apparatus for displaying the downtilt angle of an electrically tunable antenna according to claim 1, wherein the connecting member of the driving gear shaft is a spline.
6. The display device of the electrical tilt antenna downward inclination angle according to claim 1, wherein one end of the driving gear shaft is provided with the connecting piece, and the other end is provided with the first reversing gear;
the second reversing gear is arranged in the middle of the variable-ratio gear shaft, and the first variable-ratio gear is arranged at one end of the variable-ratio gear shaft;
one end of the scale ring driving shaft is provided with the second variable ratio gear, and the middle part of the scale ring driving shaft is provided with the bulge.
7. The display device for the downward inclination angle of an electrically tunable antenna according to claim 1, wherein the housing is made of a transparent plastic material; and/or
The scale ring comprises a band-shaped body made of plastic materials, and scale values are printed on the band-shaped body.
8. The display device for the downward inclination angle of an electrically-adjustable antenna according to claim 1, wherein the transparent window is disposed on the casing at a position corresponding to a rotation path of the scale ring; and/or
An arrow for indicating the scale value is arranged at or near the transparent window.
9. The display device for the downtilt angle of an electrically-controlled antenna according to claim 1, wherein the housing includes a casing and a cover, the casing is provided with an accommodating cavity and an opening communicated with the accommodating cavity, and the cover and the casing are detachably connected to shield the opening; the driving gear shaft, the variable ratio gear shaft, the scale ring driving shaft, the scale ring and the column structure are accommodated and fixed in the accommodating cavity of the shell.
10. The display device of the electrical tilt antenna downward inclination angle of claim 9, wherein the housing comprises a bottom and a side wall surrounding the bottom, the bottom and the side wall together forming the accommodating cavity and the opening; the variable ratio gear shaft, the scale ring driving shaft, the scale ring and the cylinder structure are fixed on the bottom and are contained in the containing cavity; the transparent window is arranged on the side wall.
11. The device for displaying the downtilt angle of the electrically-controlled antenna according to claim 9, wherein the housing is further provided with a power inlet, the first reversing gear of the driving gear shaft extends into the accommodating cavity through the power inlet and is meshed with the second reversing gear of the variable-ratio gear shaft, and the connecting member of the driving gear shaft is disposed outside the accommodating cavity and is connected with the screw rod.
12. The display device of the electrical tilt antenna downward inclination angle according to claim 9, wherein four hollow first cylinders are symmetrically arranged at the bottom edge of the casing, four second cylinders are correspondingly arranged at the bottom edge of the cover body, the four second cylinders are respectively embedded into the four first cylinders to form four cylinder structures, and the scale ring is connected to the scale ring driving shaft and the four cylinder structures in a surrounding manner.
13. An electric tilt antenna, characterized in that, it includes a display device of the electric tilt antenna downward inclination angle according to any claim 1-12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110518022.7A CN113346243A (en) | 2021-05-12 | 2021-05-12 | Display device for electrically-controlled antenna downward inclination angle and electrically-controlled antenna |
| PCT/CN2022/085599 WO2022237404A1 (en) | 2021-05-12 | 2022-04-07 | Device for displaying downtilt angle of electrical antenna, and electrical antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110518022.7A CN113346243A (en) | 2021-05-12 | 2021-05-12 | Display device for electrically-controlled antenna downward inclination angle and electrically-controlled antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113346243A true CN113346243A (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110518022.7A Pending CN113346243A (en) | 2021-05-12 | 2021-05-12 | Display device for electrically-controlled antenna downward inclination angle and electrically-controlled antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113346243A (en) |
| WO (1) | WO2022237404A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484200A (en) * | 2022-02-18 | 2022-05-13 | 洪亮 | Display mechanism for downtilt angle of electrically-controlled multi-frequency antenna |
| WO2022237404A1 (en) * | 2021-05-12 | 2022-11-17 | 摩比天线技术（深圳）有限公司 | Device for displaying downtilt angle of electrical antenna, and electrical antenna |
| CN116592103A (en) * | 2023-07-18 | 2023-08-15 | 中天通信技术有限公司 | Reversing device |
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| GB190423363A (en) * | 1904-10-29 | 1905-09-14 | Oliver Leopold Peard | Improvements in Calculating Apparatus. |
| CN201655964U (en) * | 2010-04-23 | 2010-11-24 | 摩比天线技术（深圳）有限公司 | Gear transmission mechanism of electric control antenna |
| CN102714354A (en) * | 2011-09-29 | 2012-10-03 | 华为技术有限公司 | Device for adjusting downtilt angle of electrical downtilt antenna |
| US20160352011A1 (en) * | 2014-02-10 | 2016-12-01 | Huawei Technologies Co., Ltd. | Antenna Adjustment Apparatus and Remote Electrical Tilt Antenna |
| JP2018009902A (en) * | 2016-07-14 | 2018-01-18 | 株式会社デンソー | Display device for vehicle |
| CN110492246A (en) * | 2019-08-13 | 2019-11-22 | 武汉虹信通信技术有限责任公司 | Antenna for base station lower decline angle adjusting transmission mechanism and antenna for base station |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022237404A1 (en) * | 2021-05-12 | 2022-11-17 | 摩比天线技术（深圳）有限公司 | Device for displaying downtilt angle of electrical antenna, and electrical antenna |
| CN114484200A (en) * | 2022-02-18 | 2022-05-13 | 洪亮 | Display mechanism for downtilt angle of electrically-controlled multi-frequency antenna |
| CN116592103A (en) * | 2023-07-18 | 2023-08-15 | 中天通信技术有限公司 | Reversing device |
| CN116592103B (en) * | 2023-07-18 | 2023-10-17 | 中天通信技术有限公司 | Reversing device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022237404A1 (en) | 2022-11-17 |
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