CN113346243B - Display device for downward inclination angle of electric tuning antenna and electric tuning antenna - Google Patents
Display device for downward inclination angle of electric tuning antenna and electric tuning antenna Download PDFInfo
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- CN113346243B CN113346243B CN202110518022.7A CN202110518022A CN113346243B CN 113346243 B CN113346243 B CN 113346243B CN 202110518022 A CN202110518022 A CN 202110518022A CN 113346243 B CN113346243 B CN 113346243B
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- 230000009466 transformation Effects 0.000 claims abstract description 47
- 230000008859 change Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 241000316887 Saissetia oleae Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000004804 winding Methods 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
- H01Q3/26—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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention provides a display device for the downward inclination angle of an electrically-adjustable antenna, which comprises a shell, a driving gear shaft, a transformation ratio gear shaft, a scale ring driving shaft and a scale ring, wherein the driving gear shaft, the transformation ratio gear shaft, the scale ring driving shaft and the scale ring are arranged in the shell; the phase shifter makes the screw rod rotate during operation, the screw rod passes through the connecting piece drives the drive gear axle rotates, the drive gear axle passes through intermeshing first switching-over gear with the second switching-over gear drives the change ratio gear axle switching-over rotation, the change ratio gear axle passes through intermeshing first change ratio gear with the second change ratio gear drives the scale ring drive shaft change ratio rotation, the scale ring drive shaft passes through protruding with the cutting hole drives the scale ring rotates, the scale ring is through rotating the scale value change of showing the dip angle in the transparent window. The invention also correspondingly provides an 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 downtilt angle of an electrically tunable antenna and the electrically tunable antenna.
Background
In the existing display mode of the downtilt angle of the electrically tunable antenna, the following methods are common: 1. the display mode of the exposed part: the scale gradually exposes the exposed portion to display the scale, but the exposed portion is extremely vulnerable. 2. The reading mode of the graduated scale is pulled out: the scale is compressed by the spring, needs to pull out the scale reading when showing, and inside spring has the influence to intermodulation on the one hand, and the degree is not enough direct on the one hand. 3. The disc display mode is as follows: the scales are displayed through the conversion of worm gears or the conversion of the transformation ratios of more gears, and the display precision is poor due to the participation of more transformation ratio mechanisms. Meanwhile, along with the improvement of the integration level of the antenna, most of the antennas are at least 16 ports, so that the antenna needs to be small in size, and the declination angle is displayed in a simple reading mode.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
The invention aims to overcome the defects, and provides a display device for the downward inclination angle of an electrically tunable antenna and the electrically tunable antenna, which have the advantages of small size, simple structure, simple reading and capability of improving the display precision of the downward inclination angle.
In order to achieve the above-mentioned purpose, the invention provides a display device of the downward inclination angle of the electric tuning antenna, including the outer casing, and drive gear shaft, transformation ratio gear shaft, graduated ring drive shaft and graduated ring that locate in said outer casing; at least one column structure is arranged in 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; the gear shaft of the transformation ratio is respectively provided with a second reversing gear and a first transformation 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 ratio gear and a plurality of bulges, and the second ratio gear is meshed with the first ratio gear; the scale ring is connected to the scale ring driving shaft and the cylinder structure in a surrounding mode, 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;
The phase shifter makes the screw rod rotate during operation, the screw rod passes through the connecting piece drives the drive gear axle rotates, the drive gear axle passes through intermeshing first switching-over gear with the second switching-over gear drives the change ratio gear axle switching-over rotation, the change ratio gear axle passes through intermeshing first change ratio gear with the second change ratio gear drives the scale ring drive shaft change ratio rotation, the scale ring drive shaft passes through protruding with the cutting hole drives the scale ring rotates, the scale ring is through rotating the scale value change of showing the dip angle in the transparent window.
According to the display device for the downtilt angle of the electrically-controlled antenna, the first reversing gear is a first bevel gear; the second reversing gear is a second bevel gear.
According to the display device for the downtilt angle of the electrically tunable antenna, the first transformation ratio gear is a first straight gear; the second transformation ratio gear is a second straight gear, and the number of teeth 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 downtilt angle of the electrically-controlled 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-controlled 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 transformation ratio gear shaft, and one end of the transformation ratio gear shaft is provided with the first transformation ratio gear;
One end of the scale ring driving shaft is provided with the second transformation ratio gear, and the middle part of the scale ring driving shaft is provided with the bulge.
According to the display device for the downtilt angle of the electrically tunable antenna, the shell is made of transparent plastic materials; and/or
The scale ring comprises a strip-shaped body made of plastic materials, and scale values are printed on the strip-shaped body.
According to the display device for the downtilt angle of the electrically tunable antenna, the transparent window is arranged on the shell at a position corresponding to a rotating path of the scale ring; and/or
An arrow for indicating the scale value is arranged at or near the transparent window.
According to the display device for the downtilt angle of the electrically tunable antenna, the shell comprises a shell body and a cover body, the shell body is provided with a containing cavity and an opening communicated with the containing cavity, and the cover body is detachably connected with the shell body to shield the opening; the driving gear shaft, the transformation ratio gear shaft, the scale ring driving shaft, the scale ring and the cylinder structure are accommodated in and fixed in the accommodating cavity of the shell.
According to the display device for the downtilt angle of the electrically tunable antenna, the housing 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 transformation ratio gear shaft, the scale ring driving shaft, the scale ring and the cylinder structure are fixed on the bottom and are accommodated in the accommodating cavity; the transparent window is arranged on the side wall.
According to the display device for the downtilt angle of the electrically-controlled antenna, the housing is further provided with the 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 transformation 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 downtilt angle of the electrically tunable antenna, four hollow first columns are symmetrically arranged at the bottom edge of the shell, four second columns are correspondingly arranged at the bottom edge of the cover body, the four second columns are respectively embedded into the four first columns to form four column structures, and the scales are circumferentially connected to the scale ring driving shaft and the four column structures.
The invention also provides an electrically tunable antenna, which comprises the display device of the downtilt angle of the electrically tunable antenna.
The invention relates to a display device for electrically adjusting the downward inclination angle of an antenna, which comprises a shell, a driving gear shaft, a transformation ratio gear shaft, a scale ring driving shaft and a scale ring, wherein the driving gear shaft, the transformation ratio gear shaft, the scale ring driving shaft and the scale ring are arranged in the shell. The phase shifter makes the screw rod rotate during operation, and the screw rod drives the drive gear shaft through the connecting piece and rotates, and the drive gear shaft drives the transformation ratio gear shaft through intermeshing's first reversing gear and second reversing gear and carries out the switching-over rotation, and the transformation ratio gear shaft drives the scale ring drive axle through intermeshing's first transformation ratio gear and second transformation ratio gear and carries out the transformation ratio rotation, and the scale ring drive axle drives the scale ring through protruding and cutting hole and rotates, and the scale ring shows scale value change in transparent window through rotating. According to the invention, the scale ring is driven to rotate through reversing, transformation ratio and linkage of the three gear shafts, and the current scale value of the downward inclination angle can be directly read 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 complicated manual operation.
Drawings
Fig. 1 is a perspective view of a display device for adjusting a downtilt angle of an antenna according to an embodiment of the present invention;
Fig. 2 is an exploded perspective view of a display device for adjusting the downtilt angle of an antenna according to an embodiment of the present invention;
fig. 3 is a perspective view of a display device with a downtilt angle of an electrically tunable antenna according to an embodiment of the present invention with a cover removed.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of 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. Furthermore, 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.
Furthermore, certain terms are used throughout the specification and the claims that follow to refer to particular components or parts, and it will be understood by those of ordinary skill in the art that manufacturers may refer to a component or part by different terms or terminology. The present specification and the following claims do not take the form of an element or component with the difference in name, but rather take the form of an element or component with the difference in function as a criterion for distinguishing. 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. The term "coupled," as used herein, includes any direct or indirect electrical connection. Indirect electrical connection means include connection via other devices.
Fig. 1 to 3 show the structure of a display device for a downtilt angle of a preferred electrically tunable antenna according to an embodiment of the present invention, and the display device 100 for a downtilt angle of an electrically tunable antenna includes a housing 10, and a driving gear shaft 20, a ratio gear shaft 30, a dial ring driving shaft 40 and a dial ring 50 provided in the housing 10.
At least one column structure 60 is arranged in the shell 10, and a transparent window 70 is arranged on the surface of the shell 10. Preferably, the housing 10 is provided with a transparent window 70 at a position corresponding to one rotational path of the dial ring 50. The housing 10 is used for supporting the internal structure of the display device 100 for electrically adjusting the antenna downtilt angle, and at the same time, a transparent window 70 is formed for reading the internal dial 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 shear head 71 is the current scale value of the downtilt angle. 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 shape, cylindrical shape, irregular shape, or the like.
The driving gear shaft 20 is respectively provided with a connecting piece 21 and a first reversing gear 22, and as shown in fig. 2 and 3, the connecting piece 21 is connected with a screw in the antenna transmission device to serve as a power source. The phase shifter is operated such that the screw rotates, which in turn drives the drive gear shaft 20 via the connection 21. Preferably, the driving gear shaft 20 is provided at one end thereof with a connecting member 21 and at the other end thereof with a first reversing gear 22. More preferably, the connection member 21 is a spline, which is connected to the screw.
The gear shaft 30 is provided with a second reversing gear 31 and a first reversing gear 32, and as shown in fig. 2 and 3, the second reversing gear 31 is meshed with the first reversing gear 22 of the driving gear shaft 20 to form reversing of the power source. Preferably, the first reversing gear 22 is a first bevel gear 22, the second reversing gear 31 is a second bevel gear 31, and the first bevel gear 22 and the second bevel gear 31 are meshed with each other to convert the transverse rotation power into the rotation in the vertical direction. Preferably, the second reversing gear 31 is provided at the middle portion of the ratio gear shaft 30, and the first ratio gear 32 is provided at one end of the ratio gear shaft 30.
The scale ring driving shaft 40 is provided with a second ratio gear 41 and a plurality of protrusions 42, respectively, and as shown in fig. 2 and 3, the second ratio gear 41 is engaged with the first ratio gear 32 of the ratio gear shaft 30. Preferably, the first gear ratio 32 is a first straight gear 32. The second gear ratio gear 41 is a second spur gear 41, and the number of teeth of the first spur gear 32 is larger than the number of teeth of the second spur gear 41. In this way, the first spur gear 32 having a smaller number of teeth at one end of the gear shaft 30 is meshed with the second spur gear 41 having a larger number of teeth at the end of the dial ring drive shaft 40, thereby forming a linkage and a gear ratio. Preferably, one end of the scale ring driving shaft 40 is provided with a second ratio 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 such that the transmission ratio of the first spur gear 32 of the ratio gear shaft 30 to the second spur gear 41 of the scale ring drive shaft 40 is 4:1, the displacement of the phase shifter in the antenna is guaranteed to be equal to the gap of each scale of the scale ring 50, and the accuracy and the definition of numerical display are achieved. The boss 42 of the dial ring driving shaft 40 is preferably of a cube type in the present embodiment, but the shape of the boss 42 is not particularly limited, and may be any polygonal type, cylindrical type, irregular type, or the like. In addition, although the protrusions 42 are uniformly distributed on the dial ring driving shaft 40 in the present embodiment, the protrusions 42 may be unevenly distributed on the dial ring driving shaft 40.
The scale ring 50 is wound on the scale ring driving shaft 40 and the cylinder structure 60, as shown in fig. 2 and 3, and a plurality of cutting holes 51 are correspondingly cut on the scale ring 50, and the shape of the cutting holes 51 is matched with that 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 cutting holes 51, and the scale ring 50 and the scale ring driving shaft 40 can rotate synchronously. In this way, the driving gear shaft 20 and the transformation ratio gear shaft 30 convert the transverse rotation power into the rotation in the vertical direction, and simultaneously drive the scale ring driving shaft 40 to rotate, and then the scale ring 50 is rotated to display the reading.
Preferably, the dial ring 50 comprises a strip of plastics material with graduation values printed thereon. Preferably, the scale ring 50 is formed of a milky PET (polyethylene terephthalate) film and silk-screened with black scale values, and a cut hole 51 is cut at the side for driving. In the present embodiment, the cut hole 51 of the dial ring 50 has a rectangular parallelepiped shape, but the shape of the cut hole 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 uniformly distributed or unevenly distributed on the scale ring 50.
According to the invention, the three gear shafts of the driving gear shaft 20, the transformation ratio gear shaft 30 and the scale ring driving shaft 40 are subjected to reversing, transformation ratio and linkage, namely, the scale ring 50 is driven to rotate to realize scale value change, and the current scale value of the downtilt 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 complex manual operation while improving the display precision of the downward inclination angle.
Preferably, the housing 10 includes a case 11 and a cover 12, and as shown in fig. 2 and 3, the case 11 is provided with a receiving chamber and an opening communicating with the receiving chamber, and the cover 12 and the case 11 are detachably connected to shield the opening. The drive gear shaft 20, the ratio gear shaft 30, the dial ring drive shaft 40, the dial ring 50 and the cylinder structure 60 are accommodated and fixed in the accommodation chamber 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 sidewall together forming a receiving cavity and an opening. The ratio gear shaft 30, the scale ring driving shaft 40, the scale ring 50 and the cylinder structure 60 are fixed to the bottom and accommodated in the accommodating chamber, and the transparent window 70 is provided on the sidewall. Preferably, the side wall of the housing 11 is provided with a transparent window 70 at a position corresponding to one rotational path of the dial ring 50. As shown in fig. 1, an arrow 71 for indicating a scale value is provided at or near the transparent window 70. In the present embodiment, the case 11 is of a rectangular parallelepiped type, but the shape of the case 11 is not particularly limited, and may be of a square type, a cylindrical type, an irregular type, 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 meshed with the second reversing gear 31 of the gear ratio gear shaft 30, and the connecting piece 21 of the driving gear shaft 20 is disposed outside the accommodating cavity and is connected with the screw.
Preferably, the bottom edge of the housing 11 is symmetrically provided with four hollow first columns 61, as shown in fig. 2, the bottom edge of the cover 12 is correspondingly provided with four second columns 62, and the diameter of the second main body 62 is smaller than that of the first columns 61, so that the four second columns 62 are respectively embedded into the four first columns 61 to form four column structures 60, and then the scale ring 50 is wound on the scale ring driving shaft 40 and the four column structures 60. On the one hand, the first column 61 of the housing 11 is sleeved with the second column 62 of the cover 12 to form the column structure 60, so that the overall structure of the display device 100 for electrically adjusting the antenna downtilt angle is more stable; on the other hand, the winding method of the scale ring 50 around the scale ring driving shaft 40 and the four cylinder structures 60 can ensure that the scale ring 50 has enough length for silk-screen printing, and simultaneously ensure that the transparent window 70 is arranged to be large enough to display more scale values and be convenient for naked eyes to recognize.
The display device 100 for electrically adjusting the downtilt angle of the antenna of the present invention operates as follows:
1. 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.
2. The driving gear shaft 20 rotates and drives the transformation ratio gear shaft 30 to perform reversing rotation through the first reversing gear 22 and the second reversing gear 31 which are meshed with each other, namely, the transverse rotation power is converted into rotation in the vertical direction through the cooperation of the first reversing gear 22 and the second reversing gear 31.
3. The ratio gear shaft 30 rotates, and drives the dial ring driving shaft 40 to perform ratio rotation through the first ratio gear 32 and the second ratio gear 41 which are engaged with each other.
4. The dial ring driving shaft 40 rotates and drives the dial ring 50 to rotate by inserting the protrusions 42 into the cut holes 51 of the dial ring 50.
5. The scale ring 50 is rotated to bring about a change in the scale value, and the change in the scale value of the downtilt angle is displayed through the transparent window 70. Specifically, the current scale value of the downtilt angle can be read through the transparent window 70 of the housing 11 and the indication of the arrow 71, thereby realizing the function.
The display device 100 for electrically adjusting the downtilt angle of the antenna of the present invention has the advantages that:
(1) No scale or other structural parts extend out of the end cover, so that damage is avoided.
(2) The scale is directly displayed on the shell without manual operation, and can be directly read.
(3) The stroke change of the phase shifter directly corresponds to the scale change without a complex ratio-changing mechanism, and the display precision is improved.
The invention also provides an electrically tunable antenna, which comprises a display device 100 with the downward inclination angle of the electrically tunable antenna shown in fig. 1-3.
In summary, the display device for electrically adjusting the downtilt angle of the antenna of the present invention includes a housing, a driving gear shaft, a transformation ratio gear shaft, a scale ring driving shaft and a scale ring disposed in the housing. The phase shifter makes the screw rod rotate during operation, and the screw rod drives the drive gear shaft through the connecting piece and rotates, and the drive gear shaft drives the transformation ratio gear shaft through intermeshing's first reversing gear and second reversing gear and carries out the switching-over rotation, and the transformation ratio gear shaft drives the scale ring drive axle through intermeshing's first transformation ratio gear and second transformation ratio gear and carries out the transformation ratio rotation, and the scale ring drive axle drives the scale ring through protruding and cutting hole and rotates, and the scale ring shows scale value change in transparent window through rotating. According to the invention, the scale ring is driven to rotate through reversing, transformation ratio and linkage of the three gear shafts, and the current scale value of the downward inclination angle can be directly read 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 complicated manual operation.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention, as will be apparent to those skilled in the art, without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (13)
1. The display device for the downward inclination angle of the electric adjusting antenna is characterized by comprising a shell, a driving gear shaft, a transformation ratio gear shaft, a scale ring driving shaft and a scale ring, wherein the driving gear shaft, the transformation ratio gear shaft, the scale ring driving shaft and the scale ring are arranged in the shell; at least one column structure is arranged in 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; the gear shaft of the transformation ratio is respectively provided with a second reversing gear and a first transformation 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 ratio gear and a plurality of bulges, and the second ratio gear is meshed with the first ratio gear; the scale ring is connected to the scale ring driving shaft and the cylinder structure in a surrounding mode, 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;
The phase shifter makes the screw rod rotate during operation, the screw rod passes through the connecting piece drives the drive gear axle rotates, the drive gear axle passes through intermeshing first switching-over gear with the second switching-over gear drives the change ratio gear axle switching-over rotation, the change ratio gear axle passes through intermeshing first change ratio gear with the second change ratio gear drives the scale ring drive shaft change ratio rotation, the scale ring drive shaft passes through protruding with the cutting hole drives the scale ring rotates, the scale ring is through rotating the scale value change of showing the dip angle in the transparent window.
2. The display device of 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 claim 1, wherein the first ratio gear is a first spur gear; the second transformation ratio gear is a second straight gear, and the number of teeth of the first straight gear is larger than that of the second straight gear.
4. The display device of claim 3, wherein 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.
5. The display device of electrically tunable antenna downtilt of claim 1, wherein the connector of the drive gear shaft is a spline.
6. The display device of the downtilt angle of the electrically tunable antenna 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 transformation ratio gear shaft, and one end of the transformation ratio gear shaft is provided with the first transformation ratio gear;
One end of the scale ring driving shaft is provided with the second transformation ratio gear, and the middle part of the scale ring driving shaft is provided with the bulge.
7. The display device of claim 1, wherein the housing is made of a transparent plastic material; and/or
The scale ring comprises a strip-shaped body made of plastic materials, and scale values are printed on the strip-shaped body.
8. The display device of the downtilt of the electrically tunable antenna according to claim 1, wherein the housing is provided with the transparent window at a position corresponding to one rotational path of the dial ring; and/or
An arrow for indicating the scale value is arranged at or near the transparent window.
9. The display device of the downtilt of the electrically tunable antenna according to claim 1, wherein the housing includes a case provided with a receiving chamber and an opening communicating with the receiving chamber, and a cover detachably connected to cover the opening; the driving gear shaft, the transformation ratio gear shaft, the scale ring driving shaft, the scale ring and the cylinder structure are accommodated in and fixed in the accommodating cavity of the shell.
10. The display device of claim 9, wherein the housing includes a bottom and a sidewall surrounding the bottom, the bottom and sidewall together forming the receiving cavity and the opening; the transformation ratio gear shaft, the scale ring driving shaft, the scale ring and the cylinder structure are fixed on the bottom and are accommodated in the accommodating cavity; the transparent window is arranged on the side wall.
11. The device 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 transformation ratio gear shaft, and the connecting piece of the driving gear shaft is disposed outside the accommodating cavity and is connected with the screw.
12. The device according to claim 9, wherein the bottom edge of the housing is symmetrically provided with four hollow first columns, the bottom edge of the cover is correspondingly provided with four second columns, the four second columns are respectively embedded into the four first columns to form four column structures, and the scale ring is wound on the scale ring driving shaft and the four column structures.
13. An electrically tunable antenna comprising a display device according to any one of claims 1 to 12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110518022.7A CN113346243B (en) | 2021-05-12 | 2021-05-12 | Display device for downward inclination angle of electric tuning antenna and electric tuning 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 CN113346243B (en) | 2021-05-12 | 2021-05-12 | Display device for downward inclination angle of electric tuning antenna and electric tuning antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113346243A CN113346243A (en) | 2021-09-03 |
| CN113346243B true CN113346243B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110518022.7A Active CN113346243B (en) | 2021-05-12 | 2021-05-12 | Display device for downward inclination angle of electric tuning antenna and electric tuning antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113346243B (en) |
| WO (1) | WO2022237404A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346243B (en) * | 2021-05-12 | 2024-05-28 | 摩比天线技术（深圳）有限公司 | Display device for downward inclination angle of electric tuning antenna and electric tuning antenna |
| CN114484200A (en) * | 2022-02-18 | 2022-05-13 | 洪亮 | Display mechanism for downtilt angle of electrically-controlled multi-frequency antenna |
| CN116592103B (en) * | 2023-07-18 | 2023-10-17 | 中天通信技术有限公司 | Reversing device |
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| 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 |
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| CN112283541A (en) * | 2020-10-30 | 2021-01-29 | 京信通信技术(广州)有限公司 | Gear driving device and driving device of electrically tunable antenna |
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| EP3098904B1 (en) * | 2014-02-10 | 2018-04-11 | Huawei Technologies Co., Ltd. | Antenna regulation apparatus and remote electrical tilt antenna |
| CN104732887B (en) * | 2015-04-03 | 2017-10-13 | 京信通信技术(广州)有限公司 | Downtilt display device and antenna |
| CN113346243B (en) * | 2021-05-12 | 2024-05-28 | 摩比天线技术（深圳）有限公司 | Display device for downward inclination angle of electric tuning antenna and electric tuning antenna |
-
2021
- 2021-05-12 CN CN202110518022.7A patent/CN113346243B/en active Active
-
2022
- 2022-04-07 WO PCT/CN2022/085599 patent/WO2022237404A1/en active Application Filing
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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 |
| 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 |
| CN112283541A (en) * | 2020-10-30 | 2021-01-29 | 京信通信技术(广州)有限公司 | Gear driving device and driving device of electrically tunable antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022237404A1 (en) | 2022-11-17 |
| CN113346243A (en) | 2021-09-03 |
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