CN210296637U - Antenna downward inclination angle display device and antenna - Google Patents
Antenna downward inclination angle display device and antenna Download PDFInfo
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- CN210296637U CN210296637U CN201920428646.8U CN201920428646U CN210296637U CN 210296637 U CN210296637 U CN 210296637U CN 201920428646 U CN201920428646 U CN 201920428646U CN 210296637 U CN210296637 U CN 210296637U
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Abstract
The utility model provides a downward inclination display device of an antenna, which comprises a speed reducing mechanism and a dial, wherein the speed reducing mechanism comprises a driving part and at least one driven gear which are meshed with each other, and the dial is fixed on one surface of the driven gear; the driving part is connected with the transmission screw rod, the transmission screw rod drives the phase shifter to do linear motion to adjust the downward inclination angle of the antenna when rotating, the transmission screw rod simultaneously drives the driving part to rotate, the driving part drives the driven gear to rotate, the driven gear drives the dial to rotate, and the current scale of the dial corresponds to the current angle of the downward inclination angle of the antenna. The utility model also provides an include the antenna of downtilt display device of antenna. Therefore, the utility model discloses a rectilinear motion becomes rotary motion's mode and realizes the high accuracy demonstration of the angle of declination of antenna, reduces the occuping to the space, is favorable to the product layout design, can avoid fracture and the risk that the low temperature freezes simultaneously.
Description
Technical Field
The utility model relates to an antenna technical field of mobile communication basic station especially relates to a downtilt display device and antenna of antenna.
Background
The application of the multi-frequency electric tuning antenna of the base station is more and more extensive at present, the number of functional modules is more and more, the requirement on the accuracy of the electrical downtilt angle of the antenna is more and more high, so that the phase shifter with a large stroke is widely applied in the design of the antenna, and meanwhile, the multi-frequency electric tuning antenna with the phase shifter with the downtilt angle scale display has better customer experience and can improve the competitiveness of products. However, the downtilt angle display scheme of the conventional multi-frequency electrically-tuned antenna does not meet the use requirement of a large-stroke phase shifter, and the graduated scale needs to extend out of the end cover for a certain length, so that the risk of fracture and low-temperature freezing is caused. Meanwhile, the telescopic scheme occupies a large amount of space inside the antenna and on the end face, and is not beneficial to product layout design.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
To foretell defect, the utility model aims to provide a downtilt angle display device and antenna of antenna, it can become the high accuracy display of the downtilt angle of antenna through linear motion variable rotary motion's mode realization, can eliminate the risk that fracture and low temperature freeze simultaneously, reduces and to occuping of space, is favorable to the product layout design.
In order to achieve the above object, the present invention provides a downward inclination angle display device of an antenna, including a speed reduction mechanism and a dial, wherein the speed reduction mechanism includes a driving member and at least one driven gear engaged with each other, and the dial is fixed on a surface of the driven gear; the driving part is connected with the transmission screw rod, the transmission screw rod drives the phase shifter to do linear motion to adjust the downward inclination angle of the antenna when rotating, the transmission screw rod simultaneously drives the driving part to rotate, the driving part drives the driven gear to rotate, the driven gear drives the dial to rotate, and the current scale of the dial corresponds to the current angle of the downward inclination angle of the antenna.
According to the utility model discloses a downtilt display device of antenna, the driving piece is the worm, driven gear is the worm wheel; the worm is provided with at least one spiral line, the worm wheel is provided with a plurality of convex teeth, and the spiral line of the worm and the convex teeth of the worm wheel are mutually meshed.
According to the utility model, the antenna has a lower inclination angle display device, the housing of the antenna is provided with a scale display hole, the dial is fixed in the housing and is positioned at the scale display hole, and the current scale of the dial is displayed through the scale display hole; and/or
The antenna is characterized in that an adjusting hole is formed in a shell of the antenna, a hand adjusting interface is arranged at the top of the worm and fixed in the shell and located at the adjusting hole.
According to the utility model, the worm and the transmission screw are integrally formed; or
The worm and the transmission screw rod are respectively and independently molded, and the bottom of the worm is connected with the top of the transmission screw rod.
According to the downtilt display device of the antenna of the utility model, the transmission screw is electrically connected with a motor, and a transmission nut is screwed on the transmission screw and is connected with the phase shifter through a connecting plate; when the motor drives the transmission screw rod to rotate, the transmission nut is driven to do linear motion on the transmission screw rod, and the transmission nut drives the phase shifter to do linear motion.
According to downtilt angle display device of antenna, adjustment the number of teeth of turbine and/or the head number of worm makes drive nut is in when the last motion starting point of drive screw removed the motion terminal point, the rotatory number of turns of drive screw is less than the number of teeth of worm wheel with the ratio of the head number of worm.
According to the utility model, the driving part is a worm, and the driven gear is a helical gear; the worm is provided with at least one spiral line, the helical gear is provided with a plurality of helical teeth, and the spiral line of the worm is meshed with the helical teeth of the worm wheel.
According to the utility model discloses the downtilt display device of antenna, the drive piece is the initiative spur gear, driven gear is driven spur gear, the initiative spur gear with driven spur gear intermeshing.
According to downtilt angle display device of antenna, the antenna is the multifrequency electricity of basic station and transfers the antenna.
The utility model also provides an antenna of the downtilt display device of having above-mentioned antenna.
The utility model discloses a speed reducing mechanism of a downward inclination angle display device of an antenna, which comprises a driving part and a driven gear, wherein a dial is fixed on the driven gear; when the transmission screw rotates, the phase shifter is driven to do linear motion, the driving part is driven to rotate at the same time, the driving part drives the driven gear and the dial to rotate, and the current scale of the dial corresponds to the current angle of the downward inclination angle of the antenna. Therefore, the utility model discloses a linear motion who moves the looks ware converts the rotary motion of calibrated scale, realizes the high accuracy display of the angle of declination of antenna. The self-rotating display mode can reduce the occupation of the space of the antenna, is beneficial to the layout design of products and can eliminate the risks of fracture and low-temperature freezing. The utility model discloses especially, be suitable for the downtilt angle that moves looks ware of the different strokes of multifrequency electricity accent antenna to show.
Drawings
Fig. 1 is a schematic perspective view of a downtilt display device and a drive screw of a preferred antenna of the present invention;
fig. 2 is a schematic perspective view of a downtilt display device, a drive screw and a phase shifter of the preferred antenna of the present invention;
fig. 3 is a schematic perspective view of a downtilt display device of a preferred antenna of the present invention;
fig. 4 is an exploded schematic view of a downtilt display device of a preferred antenna of the present invention;
fig. 5 is a schematic perspective view of a worm of a downtilt display device of a preferred antenna of the present invention;
fig. 6 is a schematic perspective view of a worm and a driving screw of a downtilt display device of a preferred antenna of the present invention;
fig. 7 is a schematic perspective view of a dial of a downtilt display device of a preferred antenna of the present invention; and
fig. 8 is a perspective view of the end cap of the preferred antenna of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 4 show the structure of the downtilt display device of the preferred antenna of the present invention, the downtilt display device of the antenna includes a speed reduction mechanism and a dial 20, the speed reduction mechanism includes a driving member 11 and at least one driven gear 12 which are engaged with each other, the dial 20 is fixed on one surface of the driven gear 12, and the dial 20 is preferably matched with the shape of the driven gear 12. The driving part 11 is connected with the transmission screw 30, the transmission screw 30 drives the phase shifter 70 to do linear motion to adjust the downward inclination angle of the antenna when rotating, the transmission screw 30 simultaneously drives the driving part 11 to rotate, the driving part 11 drives the driven gear 12 to rotate, and based on the speed reduction principle of the speed reduction mechanism, the rotation rate of the driven gear 12 is smaller than that of the driving part 11, so that the speed reduction effect is realized. Meanwhile, since the dial 20 is fixed to the driven gear 12, the dial 20 is synchronously rotated with the driven gear 12, and the current scale of the dial 20 is set to correspond to the current angle of the downtilt of the antenna, i.e., the current angle of the downtilt of the antenna can be known through the current scale of the dial 20.
In this embodiment, the driving member 11 of the speed reducing mechanism is a worm 11, and the driven gear 12 is a worm wheel 12. In fact, the driven gear 12 may be a plurality of worm gears 12 engaged with each other to form a multi-stage worm gear structure. As shown in fig. 3 to 6, the worm 11 is provided with at least one spiral line 111, the worm wheel 12 is provided with a plurality of convex teeth 121, and the spiral line 111 and the convex teeth 121 of the worm 11 are engaged with each other. Further, the worm 11 may be integrally formed with the drive screw 30; or the worm 11 and the transmission screw 30 are respectively and independently formed, and the bottom of the worm 11 is connected with the top of the transmission screw 30 through screw connection, clamping connection, sleeving connection and the like.
As shown in fig. 1 and 2, the drive screw 30 is electrically connected to a motor 50, and the motor 50 serves as a power source of the drive screw 30. And the driving screw 30 is screwed with the driving nut 40, and the driving nut 40 is connected with the phase shifter 70 through the connection plate 60. The drive screw 30 is an important component of the antenna system and functions primarily to provide power conversion for the phase shifter 70 to adjust the downtilt angle. Specifically, when the motor 50 drives the drive screw 30 to rotate, the drive nut 40 engaged therewith should also rotate, but since the drive nut 40 is connected to the connection plate 60, the phase shifter 70, and the like, the drive nut 40 cannot rotate. At this time, the force is decomposed into a radial force and an axial force, the axial force pushes the transmission nut 40 to make a linear motion on the transmission screw 30, and then the transmission nut 40 drives the phase shifter 70 to make a linear motion, and the phase shifter 70 makes a linear motion to realize the adjustment of the downward inclination angle of the antenna.
As shown in fig. 1 and 2, the worm 11 is connected to the transmission screw 30, when the transmission screw 30 rotates, on one hand, the phase shifter 70 is driven to make a linear motion to adjust the downward tilt angle of the antenna, on the other hand, the transmission screw 30 simultaneously drives the worm 11 to rotate, the worm 11 drives the worm wheel 12 to rotate, and based on the speed reduction principle of the worm wheel and the worm, the rotation rate of the worm wheel 12 is smaller than that of the worm 11, so that the speed reduction effect is achieved. Meanwhile, since the dial 20 is fixed to the worm wheel 12, the dial 20 is synchronously rotated along with the worm wheel 12, and at this time, the current scale of the dial 20 corresponds to the current angle of the down tilt angle of the antenna.
The utility model discloses utilize worm gear's speed reduction principle, will do the linear motion who moves looks ware 70 and convert the rotary motion to calibrated scale 20, realize the scale display of the downtilt angle of antenna. The reduction ratio of the worm and gear is that the number of the heads of the worm 11 (i.e. the number of the spiral lines 111) is divided by the number of the teeth of the worm wheel 12 (i.e. the number of the convex teeth 121), 1 or 2 are generally selected as the number of the heads of the worm 11, and 20-300 are selected as the number of the teeth of the worm wheel 12, i.e. a very large reduction ratio can be achieved. The worm 11 has only one spiral line 111, which is called a single-head worm, and the worm 11 rotates for one circle and the worm wheel 12 rotates for one tooth. If the worm 11 has two spiral lines, which are called as a double-headed worm, the worm 11 rotates once and the worm wheel 12 rotates two teeth, so that a great speed reduction effect is achieved.
The utility model discloses be suitable for the various big strokes of multifrequency electricity accent antenna and move the downtilt angle that looks ware and show, through rectilinear motion change rotary motion's mode, realize the scale of the high accuracy at the downtilt angle of antenna and show, spin simultaneously and rotate the display mode and reduced occuping to the space, can avoid fracture and the risk that the low temperature freezes again.
As shown in fig. 5, the worm 11 is preferably provided with a manual adjustment interface 112, which can be manually adjusted by an installation and maintenance person through a special tool. Typically, the drive screw 30 is powered by a motor 50 to move the drive nut 40. However, in the non-electrical environment and other situations requiring manual adjustment, a special tool may be used to cooperate with the manual adjustment interface 112 of the worm 11, the manual rotation of the manual adjustment interface 112 provides power for the worm 11, and the worm 11 drives the transmission screw 30 to rotate, so as to achieve manual adjustment of the downward tilt angle of the antenna. Of course, the worm 11 may be directly connected to the motor 50 by means of a parasitic or geared connection.
Preferably, the dial 20 matches the shape of the worm wheel 12, i.e., the dial 20 is disposed over one surface of the worm wheel 12. As shown in fig. 4, a plurality of flanges 22 are provided on the dial 20, a plurality of through slots 122 are correspondingly provided on the worm wheel 12, and the flanges 22 of the dial 20 pass through the through slots 122 of the worm wheel 12, so that the dial 20 is fixed on a surface of the worm wheel 12 in a snap-fit manner. Of course, the dial 20 may be fixed to a surface of the worm wheel 12 by means of a socket, a screw, or the like.
As shown in fig. 8, a scale display hole 121 is formed in the housing 120 of the antenna 100, the dial 20 is fixed in the housing 120 and located at the scale display hole 121, and the current scale of the dial 20 is displayed through the scale display hole 121. Preferably, the middle position of the scale display hole 121 corresponds to the current scale of the scale 20. More preferably, the scale display hole 121 is provided on the end cap of the antenna 100.
As shown in fig. 7, a display scale 21 is provided on the scale plate 20, the display scale 21 is circumferentially distributed on the scale plate 20 at equal intervals, and the size and range of the display scale 21 can be adjusted as required. The current scale of the dial 20 is set to correspond to the current angle of the downtilt of the antenna, and the correspondence between the current scale and the current angle of the downtilt of the antenna can be specifically converted by the relationship between the angle of the downtilt of the antenna and the rotation angle of the dial 20, or the like. For example, the worm wheel 12 can be installed when the downward inclination angle is a certain angle by setting, and meanwhile, a positioning point is added on the worm wheel 12, and the positioning point can be used as a positioning reference to ensure that the current scale of the dial 20 is the current angle of the downward inclination angle of the antenna when the dial 20 is installed.
As shown in fig. 8, an adjusting hole 122 is formed in a housing 120 of the antenna 100, a manual adjustment interface 112 is disposed at the top of the worm 11, the manual adjustment interface 112 is fixed in the housing 120 and located at the adjusting hole 122, and an installation and maintenance worker can connect the manual adjustment interface 112 in the adjusting hole 122 through a special tool to perform manual adjustment. More preferably, the adjustment aperture 122 is provided in the end cap of the antenna 100.
Preferably, the utility model discloses the accessible is adjusted the number of teeth of worm wheel 12 and/or the first number of worm 11 for when the motion starting point of drive nut 40 on drive screw 30 moved the motion terminal point, the rotatory number of turns of drive screw 30 was less than the ratio of the number of teeth of worm wheel 12 and the first number of worm 11, because just so can guarantee that the number of degrees can show completely in a circumference. When the number of rotations of the driving screw 30 is greater than the ratio of the number of teeth of the worm wheel 12 to the number of heads of the worm 11, the number of teeth of the worm wheel 12 and/or the number of heads of the worm 11 can be adjusted to ensure that all the degrees are displayed completely within one circle. That is, the scale display range can be adjusted by adjusting the number of heads of the worm 11 and the number of teeth of the worm wheel 12.
In another embodiment of the present invention, the lower inclination angle display device of the antenna comprises a reduction mechanism and a dial 20, the driving part 11 of the reduction mechanism is a worm 11, the driven gear 12 is at least one helical gear (not shown), i.e. the helical gear replaces the worm gear 12, and the same function can be achieved. The worm 11 is provided with at least one spiral line, the helical gear is provided with a plurality of helical teeth, and the spiral line of the worm 11 is meshed with the helical teeth of the helical gear. A dial 20 is fixed to one surface of the bevel gear, the dial 20 preferably matching the shape of the bevel gear. The worm 11 is connected with the transmission screw 30, and when the transmission screw 30 rotates, the phase shifter 70 is driven to do linear motion to adjust the downward inclination angle of the antenna, and on the other hand, the transmission screw 30 simultaneously drives the worm 11 to rotate, and the worm 11 drives the helical gear to rotate. Based on the principle of deceleration of the helical gear, the rotation rate of the helical gear is smaller than that of the worm 11, and the deceleration effect is realized. Meanwhile, since the dial 20 is fixed to the helical gear, the dial 20 is synchronously rotated along with the helical gear, and the current scale of the dial 20 corresponds to the current angle of the down tilt angle of the antenna. Except that the worm wheel 12 is replaced by a helical gear, other parts and principles of the antenna downtilt display device are basically the same as those of the structure shown in fig. 1 to 8, and therefore, the details are not repeated herein.
In another embodiment of the present invention, the downward inclination angle display device of the antenna includes a speed reduction mechanism and a dial 20, the driving member 11 of the speed reduction mechanism is a driving spur gear, the driven gear 12 is at least one driven spur gear (not shown), the driving spur gear is fixed on the driving screw 30, and the driving spur gear and the driven spur gear are engaged with each other. The ratio of the number of teeth of the driving spur gear to the number of teeth of the driven spur gear is the reduction ratio of the reduction mechanism. The dial 20 is fixed to one surface of the driven spur gear, and the dial 20 preferably matches the shape of the driven spur gear. The driving spur gear is connected with the transmission screw 30, when the transmission screw 30 rotates, on one hand, the phase shifter 70 can be driven to do linear motion to adjust the downward inclination angle of the antenna, on the other hand, the transmission screw 30 can simultaneously drive the driving spur gear to rotate, the driving spur gear drives the driven spur gear to rotate, and based on the speed reduction principle of the speed reduction mechanism, the rotation rate of the driven spur gear is smaller than that of the driving spur gear, so that the speed reduction effect is realized. Meanwhile, since the dial 20 is fixed to the driven spur gear, the dial 20 is synchronously rotated along with the driven spur gear, and the current scale of the dial 20 corresponds to the current angle of the down tilt angle of the antenna. Except that the worm gear and the worm are replaced by the driving straight gear and the driven straight gear, other components and principles of the downward inclination angle display device of the antenna are basically the same as those of the structures shown in the figures 1-8, and therefore the detailed description is omitted.
The utility model also provides an antenna 100 of the downtilt display device that has above-mentioned antenna. Preferably, the antenna 100 is a multi-frequency electrically tunable antenna of a base station.
To sum up, the speed reducing mechanism of the downward inclination angle display device of the antenna of the utility model comprises a driving part and a driven gear, and a dial is fixed on the driven gear; when the transmission screw rotates, the phase shifter is driven to do linear motion, the driving part is driven to rotate at the same time, the driving part drives the driven gear and the dial to rotate, and the current scale of the dial corresponds to the current angle of the downward inclination angle of the antenna. Therefore, the utility model discloses a linear motion who moves the looks ware converts the rotary motion of calibrated scale, realizes the high accuracy display of the angle of declination of antenna. The self-rotating display mode can reduce the occupation of the space of the antenna, is beneficial to the layout design of products and can eliminate the risks of fracture and low-temperature freezing. The utility model discloses especially, be suitable for the downtilt angle that moves looks ware of the different strokes of multifrequency electricity accent antenna to show.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (10)
1. The downtilt angle display device of the antenna is characterized by comprising a speed reducing mechanism and a dial, wherein the speed reducing mechanism comprises a driving part and at least one driven gear which are meshed with each other, and the dial is fixed on one surface of the driven gear; the driving part is connected with the transmission screw rod, the transmission screw rod drives the phase shifter to do linear motion to adjust the downward inclination angle of the antenna when rotating, the transmission screw rod simultaneously drives the driving part to rotate, the driving part drives the driven gear to rotate, the driven gear drives the dial to rotate, and the current scale of the dial corresponds to the current angle of the downward inclination angle of the antenna.
2. The downtilt display device of an antenna according to claim 1, wherein the driving member is a worm, and the driven gear is a worm wheel; the worm is provided with at least one spiral line, the worm wheel is provided with a plurality of convex teeth, and the spiral line of the worm and the convex teeth of the worm wheel are mutually meshed.
3. The downtilt display device of an antenna according to claim 2, wherein a scale display hole is provided on a housing of the antenna, the dial is fixed in the housing and located at the scale display hole, and a current scale of the dial is displayed through the scale display hole; and/or
The antenna is characterized in that an adjusting hole is formed in a shell of the antenna, a hand adjusting interface is arranged at the top of the worm and fixed in the shell and located at the adjusting hole.
4. The downtilt display device of an antenna according to claim 2, wherein the worm is integrally formed with the drive screw; or
The worm and the transmission screw rod are respectively and independently molded, and the bottom of the worm is connected with the top of the transmission screw rod.
5. The downtilt display device of the antenna according to claim 2, wherein the transmission screw is electrically connected with a motor, and a transmission nut is screwed on the transmission screw and connected with the phase shifter through a connecting plate; when the motor drives the transmission screw rod to rotate, the transmission nut is driven to do linear motion on the transmission screw rod, and the transmission nut drives the phase shifter to do linear motion.
6. The downtilt display device of an antenna according to claim 5, wherein the number of teeth of the worm wheel and/or the number of heads of the worm is adjusted such that when the movement starting point of the drive nut on the drive screw moves to the movement end point, the number of rotations of the drive screw is smaller than the ratio of the number of teeth of the worm wheel to the number of heads of the worm.
7. The downtilt display device of an antenna according to claim 2, wherein the driving member is a worm, and the driven gear is a helical gear; the worm is provided with at least one spiral line, the helical gear is provided with a plurality of helical teeth, and the spiral line of the worm is meshed with the helical teeth of the worm wheel.
8. The downward inclination display device according to claim 1, wherein the driving member is a driving spur gear, the driven gear is a driven spur gear, and the driving spur gear and the driven spur gear are engaged with each other.
9. The downtilt display device of an antenna according to claim 1, wherein the antenna is a multi-frequency electrically tunable antenna of a base station.
10. An antenna having a downtilt display device of the antenna according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920428646.8U CN210296637U (en) | 2019-03-29 | 2019-03-29 | Antenna downward inclination angle display device and antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920428646.8U CN210296637U (en) | 2019-03-29 | 2019-03-29 | Antenna downward inclination angle display device and antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034401A (en) * | 2019-03-29 | 2019-07-19 | 摩比科技（深圳）有限公司 | The angle of declination display device and antenna of antenna |
| WO2021227563A1 (en) * | 2020-05-14 | 2021-11-18 | 摩比天线技术（深圳）有限公司 | Downward inclination angle adjusting apparatus for antenna and antenna |
-
2019
- 2019-03-29 CN CN201920428646.8U patent/CN210296637U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034401A (en) * | 2019-03-29 | 2019-07-19 | 摩比科技（深圳）有限公司 | The angle of declination display device and antenna of antenna |
| WO2021227563A1 (en) * | 2020-05-14 | 2021-11-18 | 摩比天线技术（深圳）有限公司 | Downward inclination angle adjusting apparatus for antenna and antenna |
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