JPH0648203U - Planar antenna rotation mechanism - Google Patents

Abstract

(57) [Abstract] [Purpose] The motor is driven to match the angle of polarization of the plane antenna to the angle of polarization of the satellite and to capture multiple satellites. [Structure] The motor B14 is driven to rotate the plane antenna 1 horizontally, the plane antenna 1 is directed toward the satellite, the angle of the wheel base B9 is adjusted to set the elevation angle position, and the nut 19 is set. Fasten to fix the elevation angle adjusting rod 11, and fasten the bolt 16 to fix the wheel base B9. Next, the motor A7 is driven to rotate the plane antenna 1 to match the angle of the plane of polarization.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a plane antenna device, and relates to a rotating mechanism for aligning the angle of polarization of a plane antenna with the polarization angle of a satellite and directing it toward the satellite.

[0002]

2. Description of the Related Art When the radio wave transmitted from a satellite is a linearly polarized wave, it is necessary to match the angles of the planes of polarization of the plane antennas 21 on the receiving side. As shown in FIG. 3, the conventional planar antenna mounting structure has a left-right shape on the back surface of the planar antenna 21, and is fixed by a screw A 23 through a hole in one flange of the adapter 22 consisting of two pieces. The other side surface of the adapter 22 is fixed to a screw hole on the side surface of the mast mount 25 attached to the pole 24 with a screw B26. In such a method, the plane antenna 21 has only a function of changing the angle of the plane antenna 21 in the horizontal and vertical directions with respect to the satellite, and the difference in the receiving satellite, the difference in the region where the plane antenna 21 is installed, or the pole. The angle of the plane of polarization of the planar antenna 21 with respect to the pole 24 is not always constant due to causes such as the case where 24 is not installed vertically. Therefore, it is necessary to change the angle of the planar antenna 21 in the rotating direction in order to match the polarization angle of the satellite to be received. As a method of making this fine adjustment, loosen the screw A23 that is fixed through the hole on the rear surface of the planar antenna 21 and the flange of the adapter 22, and slightly adjust the angle depending on the allowance between the hole diameter and the screw A23. Since it is adjusted or the installation angle of the pole 24 is corrected, complex adjustment work was required before the radio waves transmitted from the satellites were received. Although not shown, even if the elevation and horizontal angles are set by driving the motor, they do not have the function of adjusting to the polarization angle of the satellite to be received.

[0003]

[Problems to be solved by the device]

 The present invention has been made in view of such a point, and the plane antenna is rotated by driving the motor, and the plane antenna is rotated in the horizontal direction so that the angle of the polarization plane is adjusted and at the same time the satellite is rotated. The purpose is to align the direction of the plane antenna with the direction of the radio wave of.

[0004]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention provides a vertically mounted wheel base with a worm wheel pivotally supported and a flat antenna mounted on one end of the rotary shaft of the worm wheel. A rotating mechanism for a planar antenna, characterized in that a worm gear attached to the motor shaft is meshed with the worm wheel described above. In addition, a worm wheel A rotatably supported by a vertically mounted wheel base A is provided, a planar antenna is attached to one end of the rotary shaft of the worm wheel A, and the worm gear is attached to the shaft of the motor A with a gear head. A is provided with a rotation mechanism of a plane antenna adapted to mesh with the above-mentioned worm wheel A, and a worm wheel B pivotally supported on a horizontally mounted wheel base B, and rotation of the worm wheel B is performed. A plane antenna characterized in that the vertically mounted wheel base A is mounted on a shaft, and a worm gear B mounted on the shaft of a motor B with a gear head meshes with the worm wheel B. It provides the rotation mechanism of.

[0005]

[Action]

 With the above-described structure, according to the rotating mechanism of the flat antenna according to the present invention, the worm gear B is moved by driving the horizontal adjusting motor B in order to align the flat antenna with the direction of the radio wave transmitted from the satellite. Through this, the worm wheel B rotates, and the plane antenna rotates in the horizontal direction to catch the radio wave. Next, in order to match the plane of polarization of the plane antenna to the linearly polarized wave transmitted from the satellite, drive the polarization adjusting motor A, the worm wheel A will rotate via the worm gear A, and the plane antenna will It can be rotated and the angle of the plane of polarization can be adjusted to the angle of polarization of the satellite.

[0006]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view of an essential part showing an embodiment of a rotating mechanism for a planar antenna according to the present invention. In the figure, reference numeral 1 denotes a plane antenna, and a received signal is supplied to a coaxial cable 3 via a converter 2 at the center of the back surface of the plane antenna 1. Reference numeral 4 is a worm wheel A, and the rotation axis of the worm wheel A4 is rotatably held by a wheel base A6 vertically disposed on the upper surface of the worm wheel B5, and the planar antenna 1 is attached to one end thereof. ing. Reference numeral 7 denotes a motor A, which has a reduction gear built therein and is attached to the wheel base A6. A worm gear A8 provided on the rotating shaft is meshed with the worm wheel A4.

Reference numeral 9 denotes a wheel base B, which has a bearing structure which engages with the rotary shaft of the worm wheel B5 at the center of the wheel base B9, and which projects downward from the center of the lower side. The hinge 10 is formed, and a support fitting 12 for supporting one end of the elevation angle adjusting rod 11 is arranged at the end of the same plane. Reference numeral 14 denotes a horizontal adjustment motor B having a reduction gear built therein. The motor B14 is mounted at a predetermined position of a wheel base B9, and the worm gear B13 mounted on the rotation shaft of the motor B14 has a worm gear B5 with a toothed wheel. Have been combined. Reference numeral 15 is a hinge base, which has a hole for locking with the hinge 10, through which a bolt A16 is inserted so that the elevation angle can be changed with the bolt A16 as a spindle. Reference numeral 17 is a mast mount having a cylindrical shape with its upper side closed. The hinge base 15 is fixed to the upper side of the mast mount 17, and the lower side is inserted into a pole 20 and fastened with a plurality of bolts B21. ing. Reference numeral 18 denotes an elevation-positioning metal fitting, which is disposed at a predetermined position on the side of the mast mount 17, and the elevation-angle adjusting rod 11 is threaded into a hole formed by penetrating the elevation-positioning metal fitting 18 from above to below. The other end is inserted so that it can be fixed with two nuts 19.

Next, a method of adjusting to the radio wave transmitted from the satellite will be described. In order to match the direction of the radio wave, the motor B14 for horizontal adjustment is driven, the worm wheel B5 rotates via the worm gear B13, and the plane antenna 1 rotates horizontally to direct it toward the satellite. To be Next, the bolt A16 and the nut 19 are loosened to move the hinge 10 to change the elevation angle of the wheel base B9 to align the plane antenna 1 with the direction of the radio wave, the bolt A16 and the nut 19 are fastened, and the hinge 10 is moved. And the elevation angle adjusting rod 11 are fixed. In order to match the plane of polarization of the planar antenna 1 with the linearly polarized wave, the motor A7 for polarization adjustment is driven, and the worm wheel A4 rotates via the worm gear A8. The angles are matched. After setting the angle, it is possible to automatically catch multiple satellites by using a method such as electrically memorying the stop position of each motor.

[0009]

[Effect of device]

 As described above, in the present invention, the radio waves of a plurality of satellites can be received by one plane antenna by adjusting the angle of the plane of polarization of the plane antenna to the linearly polarized wave transmitted from the satellite by driving the motor. In addition, it can be operated remotely, so the effect is great.

[Brief description of drawings]

FIG. 1 is a perspective view of an essential part showing an embodiment of a planar antenna rotating mechanism of the present invention.

FIG. 2 is a side view showing a conventional planar antenna mounting structure.

[Explanation of symbols]

 1 Planar Antenna 2 Converter 3 Cable 4 Worm Wheel A 5 Worm Wheel B 6 Wheel Base A 7 Motor A 8 Worm Gear A 9 Wheel Base B 10 Hinge 11 Elevation Angle Adjusting Rod 12 Support Metal Fitting 12 13 Worm Gear B 14 Motor B 15 Hinge Base 16 Bolt A 17 Mast mount 18 Elevation positioning bracket 19 Nut 20 Pole 21 Bolt B

Claims (2)

[Scope of utility model registration request] 1. A worm gear mounted on a shaft of a motor with a gear head, wherein a worm wheel 4 rotatably supported on a vertically mounted wheel base is provided, and a flat antenna is attached to one end of a rotary shaft of the worm wheel. Is adapted to mesh with the worm wheel. 2. A vertically mounted wheel base A is provided with a worm wheel A rotatably rotatably supported, a flat antenna is attached to one end of a rotary shaft of the worm wheel A, and a worm wheel A is attached to a shaft of a gear head motor A. Worm gear A installed
Is provided with a rotating mechanism of a planar antenna adapted to mesh with the worm wheel A, and a worm wheel B pivotally supported on a horizontally mounted wheel base B,
The vertically mounted wheel base A is mounted on the rotary shaft of the worm wheel B, and the worm gear B mounted on the shaft of the gear head motor B is meshed with the worm wheel B. A rotating mechanism for a planar antenna.