WO2013031443A1 - アンテナ装置 - Google Patents
アンテナ装置 Download PDFInfo
- Publication number
- WO2013031443A1 WO2013031443A1 PCT/JP2012/068989 JP2012068989W WO2013031443A1 WO 2013031443 A1 WO2013031443 A1 WO 2013031443A1 JP 2012068989 W JP2012068989 W JP 2012068989W WO 2013031443 A1 WO2013031443 A1 WO 2013031443A1
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- WIPO (PCT)
- Prior art keywords
- base plate
- antenna
- antenna device
- fixed
- base
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/18—Means for stabilising antennas on an unstable platform
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/20—Resilient mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/13—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
- H01Q19/134—Rear-feeds; Splash plate feeds
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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
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/20—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is fixed and the reflecting device is movable
Definitions
- the present invention relates to an antenna device. More specifically, the present invention relates to an antenna device (tracking antenna) that changes the attitude of an antenna by tracking radio waves from a communication partner such as a satellite, a ground station, or a mobile station.
- a communication partner such as a satellite, a ground station, or a mobile station.
- an antenna device that changes the attitude of an antenna by tracking radio waves from a communication partner, and a counterweight is provided on the antenna side of the base plate, and an anti-vibration structure is provided between the counterweight and the base plate.
- a communication antenna device that has improved maintainability by fixing the unit with the AZ / EL biaxial drive antenna or the AZ / cross EL / EL triaxial drive antenna (for example, Patent Documents). 2).
- the antenna devices described in Patent Documents 1 to 4 have a problem that it is difficult to bring the center of gravity closer to the base plate for structural reasons.
- the antenna device described in Patent Document 5 directly connects an antenna and a counterweight, and the center of gravity cannot be brought close to the base plate even when applied to a tracking antenna.
- the present invention has been made to solve the above-described problems, and provides an antenna device in which the center of gravity is close to the vibration-proof structure and vibration is unlikely to occur when vibration is applied. With the goal.
- an antenna device includes a first base plate, an antenna unit disposed on one side of the first base plate and supported by the first base plate, A counterweight portion disposed on the opposite side of the base plate from the antenna portion and supported by the first base plate. Then, one end is fixed to the first base plate, the anti-vibration structure part for suppressing the vibration of the first base plate, and the other end of the anti-vibration structure part are fixed, and the second is fixed to the moving body or the structure.
- the center of gravity is close to the vibration isolation structure portion, and the first base plate and the second base plate
- FIG. 1 is a configuration diagram of an antenna device with a radome according to an embodiment of the present invention.
- FIG. 2 is a configuration diagram of an antenna device without a radome according to the embodiment.
- the antenna device includes an antenna unit 6, a base 10, and a counterweight unit 7.
- the antenna device is used by fixing the base 10 to a moving body or a structure.
- the moving object is a vehicle such as an automobile or a train, a ship, or an aircraft such as an airplane, a helicopter, an airship, or a balloon.
- the structure is, for example, a satellite communication earth station station, a cubicle that houses a communication device, a housing of the communication device, or the like.
- the moving body or the structure to which the base 10 is fixed is referred to as an antenna device mounting body.
- the counterweight part 7 is fixed to and supported by the base 10 by beams (beams, girders, cross members) 13a and 13b.
- the antenna unit 6 is disposed on one side of the base 10 and is fixed to and supported by the base 10.
- the antenna unit 6 is covered with a radome 11 attached to the base 10.
- the base 10 includes a first base plate 5, a vibration isolation structure 8, and a second base plate 9.
- the first base plate 5 and the second base plate 9 are connected with the anti-vibration structure 8 interposed therebetween.
- the antenna unit 6 includes a main reflecting mirror 1 and an antenna driving unit 2.
- the antenna drive unit 2 includes a drive control unit 2b, an AZ / EL axis drive unit 3 and a POL axis drive unit 4.
- the antenna unit 6 includes a low noise amplifier (LNA) 6b.
- LNA low noise amplifier
- Main reflector 1 (reflector, parabola) reflects communication waves from communication partners such as satellites, ground stations, and mobile stations and collects them on the primary radiator (when receiving). At this time, a sub-reflection mirror may be used. Moreover, the reverse operation at the time of transmission, that is, the communication wave emitted from the primary radiator is reflected by the main reflecting mirror 1 and radiated toward the satellite, ground station, mobile station and the like.
- the antenna driving unit 2 drives the main reflecting mirror 1 to change the posture of the main reflecting mirror 1 with respect to the base 10.
- the drive control unit 2 b controls the antenna drive unit 2.
- the antenna drive unit 2 constitutes the antenna drive unit 2 and drives the main reflecting mirror 1 in the azimuth direction and the elevation direction.
- the AZ / EL axis driving unit 3 may be further driven in the cross elevation direction. In that case, the AZ / EL axis driving unit 3 is triaxial driving.
- the POL axis driving unit 4 constitutes the antenna driving unit 2 and changes the polarization angle of the main reflecting mirror 1. The POL axis drive unit 4 may not be used when the communication wave is circularly polarized.
- the antenna unit 6 including the main reflecting mirror 1 and the antenna driving unit 2 is supported by the first base plate 5.
- the antenna unit 6 has a function of operating as a general tracking antenna.
- the low noise amplifier (LNA) 6b amplifies the communication wave received by the antenna unit 6 while suppressing the addition of noise.
- the antenna unit 6 has a main function of a tracking function of an antenna device (tracking antenna) that tracks a radio wave from a communication partner and changes the posture of the main reflecting mirror 1.
- the opening of the radome 11 is fixed to the base 10 (first base plate 5) by fastening means such as screws or fitting, and covers the antenna portion 6.
- the first base plate 5 includes the radome 11 that covers the counter weight portion 7 on the opposite side.
- the radome 11 transmits radio waves communicated by the antenna unit 6.
- the counterweight portion 7 is disposed on the opposite side of the first base plate 5 from the antenna portion 6 and is supported by the first base plate 5.
- the counterweight portion 7 functions to bring the center of gravity of the antenna device closer to the first base plate 5 by being fixed to the first base plate 5.
- the vibration isolation structure 8 has a vibration isolation structure in which one end is fixed to the first base plate 5.
- the anti-vibration structure 8 has functions of, for example, a spring and a damper.
- the second base plate 9 fixes the other end of the vibration isolation structure 8.
- the second base plate 9 is disposed near the first base plate 5 between the first base plate 5 and the counterweight portion 7.
- the antenna device according to the embodiment is fixed by fixing the second base plate 9 to a moving body or a structure. In the present embodiment, a description will be given assuming a configuration in which a helical isolator disposed between the first base plate 5 and the second base plate 9 is used as the vibration isolation structure 8.
- the counterweight portion 7 is fixed to the first base plate 5 by beams 13 a, 13 b, and 13 c (see FIG. 7) on the opposite side of the first base plate 5 from the antenna portion 6, and is supported by the first base plate 5. . 1 and 2, the beam 13c is hidden behind the beam 13b.
- One ends of the beams 13a, 13b, and 13c are fastened (fixed) to the first beam fixing portion 14 formed on the first base plate 5 by using fastening means (fixing means) such as bolts.
- the other ends of the beams 13a, 13b, and 13c are fastened (fixed) to the second beam fixing portion 15 formed in the counterweight portion 7 using fastening means (fixing means) such as bolts.
- the beam 13 may be collectively referred to.
- the at least one first beam fixing unit 14 fixes one end of the two beams 13 at a distance that can be regarded as a pin joint. Moreover, the at least 1 2nd beam fixing
- the distance that can be regarded as a pin joint is a distance at which the bending strain between the joint points can be ignored compared to the bending strain of the beam 13.
- the two beams 13, one end of which is fixed to one first beam fixing portion 14, are fixed to the different second beam fixing portions 15 at the other ends. That is, at least a part of the beam 13 constitutes a truss structure.
- the first beam fixing part 14 and the second beam fixing part 15 may be integrated with the first base plate 5 and the counterweight part 7, respectively, or may be separate. In the present embodiment, the first beam fixing portion 14 and the second beam fixing portion 15 are separate from the first base plate 5 and the counterweight portion 7 and are shown in the drawings as being fastened with screws.
- first beam fixing unit 14 and the second beam fixing unit 15 may be omitted as the configuration of the beam 13. Both or one of the first beam fixing part 14 and the second beam fixing part 15 may be integrated with the beam 13.
- the antenna device is arranged on one side of the base 10 and on the other side of the base 10 and supported by the base 10. And a counterweight portion 7.
- the antenna device includes a transmission / reception processing unit accommodated in the counterweight unit 7.
- the transmission / reception processing unit performs reception processing of a signal (communication wave) received by the main reflecting mirror 1 and via the filter and the LNA 6b and / or transmission processing of a signal transmitted from the antenna unit 6.
- casing (case) which accommodates a transmission / reception processing part becomes an outer shell.
- the antenna device uses the mass of the transmission / reception processing unit as the counterweight of the antenna unit 6. If only the transmission / reception processing unit has insufficient mass as a counterweight, a “weight” may be added in addition to the transmission / reception processing unit.
- the counter weight unit 7 is configured by the transmission / reception processing unit and the “weight”.
- the transmission / reception processing unit (counterweight unit 7) is not in the antenna unit 6 (radome 11), and is supported on the opposite side of the base 10 from the antenna unit 6 via the beam 13, so that the cooling is also effective. There is an advantageous effect. In addition, since the transmission / reception processing unit 7 can be accessed without removing the radome 11, maintenance can be easily performed.
- the transmission / reception processing unit (counterweight unit 7) is supported by the base 10 (first base plate 5) by a plurality of beams 13, cables (signal lines, control lines, etc.) connecting the transmission / reception processing unit and the antenna unit 6 are used. ) At least a part thereof can be fixed to any of the plurality of beams 13.
- the transmission / reception processing unit has a mass more than necessary as the counterweight unit 7, a part of the circuit, board / module constituting the function of the transmission / reception processing unit is arranged in the antenna device mounting body or the antenna unit 6. Mass distribution may be taken. The above-mentioned “weight” may be used for fine adjustment of the mass distribution. Furthermore, the mass and number of beams 13 (including the first beam fixing unit 14 and the second beam fixing unit 15) may be used for fine adjustment of the mass distribution.
- the counter weight unit 7 assumes at least a part of the transmission / reception processing function, it can be said that the counter weight unit 7 includes a transmission / reception processing unit.
- the base 10 is connected to the antenna unit 6, the first base plate 5 that supports the counterweight unit 7 (transmission / reception processing unit 7), and the first base plate 5.
- the second base plate 9 is fixed to the device mounting body.
- the second base plate 9 may be referred to as a base plate
- the first base plate 5 may be referred to as an antenna support portion, a counterweight support portion, or an antenna / counterweight support portion.
- the counterweight portion 7 is provided on the side opposite to the antenna portion 6 of the base 10, so that the center of gravity is greatly increased compared to the case where the counterweight is provided on the antenna portion of the base. Can be close to the base. As a result, an antenna device whose center of gravity is close to the position where the antenna device is fixed can be obtained.
- FIG. 3A is a schematic diagram when the antenna device is arranged on one side of the base. Unlike the antenna device according to the embodiment, the antenna device shown in FIG. 3A has a counterweight or a member corresponding to a counterweight in the antenna portion 6c.
- the antenna device of FIG. 3A has a counterweight (weight) on the antenna portion 6c side of the base 10b.
- the counterweight is arranged on the antenna portion 6c side of the base 10b, there is an effect of bringing a certain center of gravity closer to the base 10b and an anti-vibration effect, but compared with the antenna device according to the embodiment shown in FIG. 1 and FIG. Only a high center of gravity and weak anti-vibration function can be obtained.
- FIG. 3B is an explanatory diagram schematically showing a case where vibration is applied to the base of the antenna device of FIG. 3A.
- the entire antenna device (antenna portion 6c) is greatly inclined, and the main reflecting mirror 1 vibrates like a pendulum motion around the base 10b (see FIG. 3B). Arc with arrow).
- Such inclination of the main reflecting mirror 1 increases a pointing error with respect to a satellite, a ground station, a mobile station, and the like, which may hinder the operation and communication of the antenna device.
- FIG. 4A is a schematic diagram of the antenna device according to the embodiment.
- the antenna device shown in FIG. 4A schematically shows the structure (anti-vibration structure) of the antenna device shown in FIGS. Since it is schematically shown, the number of the vibration isolating structure 8 and the number of beams 13 does not coincide with other figures.
- the counterweight portion 7 is installed on the side opposite to the antenna portion 6 of the base 10.
- the mounting height of the counterweight portion 7 can be set so as to balance the position of the center of gravity of the antenna portion 6. Therefore, the center of gravity of the antenna device can be brought closer to the base 10 than the structure of FIG. 3A. It is easy to set the center of gravity of the antenna device in the vicinity of the vibration isolation structure 8 when viewed in the height direction in which the surface of the first base plate 5 is a horizontal plane.
- the antenna portion 6 can move only in the translation direction or mainly in the translation direction (the line with an arrow in FIG. 4B) against vibration from the side of the antenna device. Displacement).
- the antenna unit 6 has a structure that is difficult to tilt. Therefore, in the antenna device according to the embodiment, when the base 10 moves, the main reflecting mirror 1 moves in a translational manner without vibrating like a pendulum motion. As a result, there is almost no inclination of the main reflecting mirror 1 due to disturbance, and pointing errors with respect to satellites, ground stations, mobile stations and the like are suppressed. Therefore, the antenna device according to the embodiment has high performance and reliability with respect to the tracking operation and communication of the antenna device.
- FIG. 5A is a schematic diagram of an antenna device according to a modification of the embodiment.
- the antenna device shown in FIG. 5A includes a vibration isolation structure different from the vibration isolation structure of the antenna device shown in FIG. 1 and FIG.
- a hole capable of accommodating the first base plate 5 is formed at the center of the second base plate 9.
- the second base plate 9 is shown in a sectional view. Since the second base plate 9 is annular, it can be said to be a base ring.
- the first base plate 5 is held inside the hole formed in the second base plate 9 by using the vibration isolation structure portion 8. Since it is not necessary for the first base plate 5 and the second base plate 9 to face each other in a direction orthogonal to the main surface, the height of the antenna device can be reduced.
- the radome 11 can be fixed to the second base plate 9 (base ring).
- a base support portion that supports the second base plate 9 on a moving body or the like may be integrated with the second base plate 9.
- the counterweight portion 7 is installed on the opposite side of the antenna portion 6 of the base 10. Therefore, the center of gravity can be close to the vibration isolation structure 8 as in the antenna device of FIG. 4A.
- the main reflector 1 translates without vibrating like a pendulum motion, so that there is almost no inclination of the main reflector 1 due to disturbance, and the satellite, ground station, mobile station, etc. There is almost no pointing error. Therefore, the antenna device of FIG. 5A also has high performance and reliability with respect to the tracking operation and communication of the antenna device.
- the antenna device shown in FIG. 4A has a different structure for reducing the height because the first base plate 5 and the second base plate 9 face each other in a direction orthogonal to the main surface.
- the structure is such that the surface on which the vibration isolation structure 8 is installed is inclined, and the portion other than the inclined surface is made thinner than the thickness of the inclined surface.
- the second base plate 9 is disposed close to the lower portion of the first base plate 5.
- the thickness of the inclined surface and the thickness of the portion other than the inclined surface may be the same, and the cross section may be a letter-shaped (conical shape).
- the antenna device includes the counterweight unit 7 (transmission / reception processing unit) supported by the base 10 by the plurality of beams 13 on the side opposite to the antenna unit 6 of the base 10. Then, the antenna unit 6 and the counterweight unit 7 (transmission / reception) are provided by an anti-vibration structure unit 8 having at least a part arranged on the mounting surface at the position of the center of gravity of the configuration including the antenna unit 6 and the counterweight unit 7 (transmission / reception processing unit) The vibration of the processing unit) is suppressed.
- One end of the vibration isolating structure of the antenna device according to the embodiment is fixed to the antenna unit 6 or the beam 13 via the base 10 (first base plate 5). It can be said that the antenna device has the second base plate 9 that is a vibration isolation structure fixing portion that fixes the other end of the vibration isolation structure portion 8.
- the outer shape of the base 10 should also be circular.
- the opening of the radome 11 is circular and the outer shape of the base 10 is circular.
- the radome 11 is fixed to the first base plate 5, even if the outer shape of the first base plate 5 is circular, the outer shape of the second base plate 9 does not have to be circular.
- the radome 11 is fixed to the second base plate 9, even if the outer shape of the second base plate 9 is circular, the outer shape of the first base plate 5 does not need to be circular.
- 6A to 12B are diagrams showing the shape of the antenna device according to the embodiment, and are a front view (FIGS. 6A and B), a rear view (FIGS. 7A and B), and a right side view (FIGS. 8A and B), respectively. ), Left side view (FIGS. 9A, B), top view (FIGS. 10A, B), bottom view (FIG. 11) and perspective view (FIGS. 12A, B).
- 6A, 7A, 8A, 9A, 10A and 12A show the state with the radome 11.
- FIG. 6B, 7B, 8B, 9B, 10B and 12B show the state without the radome 11.
- FIG. The radome 11 is not visible in the bottom view (FIG. 11).
- the antenna device according to the embodiment includes an antenna unit 6, a counterweight unit 7 (transmission / reception processing unit), and a vibration isolation structure unit 8.
- the antenna device is mainly used for a communication device for an antenna device mounting body (moving body or structure).
- the counterweight portion 7 has a structure attached to the side opposite to the antenna portion 6 of the base 10 by a truss structure (a plurality of beams 13). Then, the antenna device is mounted on the antenna device mounting body through the vibration isolation structure 8 formed on the base 10 and the base support 12 (see FIGS. 15A to 15C). As a result, the antenna device has a function of reducing vibration transmitted from the antenna device mounting body to the antenna device.
- the antenna device according to the embodiment can be mounted on an antenna device mounting body that moves at high speed or an antenna device mounting body in which altitude and inclination change suddenly.
- the antenna unit 6 When the antenna device is mounted on, for example, a ground communication station, a vehicle moving on the ground, or a ship navigating on the sea, the antenna unit 6 is generally disposed above the base 10. In that case, the counterweight portion 7 is disposed below the base 10. For example, when the antenna device is mounted on an aircraft and communicates with a communication device on the ground, the antenna unit 6 is disposed below the base 10. In that case, the counterweight portion 7 is disposed above the base 10.
- the center of gravity of the antenna device according to the present embodiment is close to the base 10 fixed to the moving body or the structure, and the main reflector 1 does not vibrate like a pendulum motion and translates. To do. Therefore, there is almost no inclination of the main reflecting mirror 1 due to disturbance, and pointing errors with respect to satellites, ground stations, mobile stations and the like are suppressed.
- FIG. 13A is a perspective view of the counterweight portion of the antenna device according to the embodiment as viewed from the base side.
- FIG. 13B is a perspective view of the counterweight portion of the antenna device according to the embodiment as viewed from the side opposite to the base.
- the three first beam fixing portions 14 are provided so as to be positioned at the apexes of the equilateral triangle so as to be evenly arranged on the circular base 10 (first base plate 5).
- a total of four second beam fixing portions 15 are arranged at the four corners of the base 10 side surface of the substantially rectangular counterweight portion 7 (transmission / reception processing portion).
- the first beam fixing part 14 and the second beam fixing part 15 are fastened (fixed) to the first base plate 5 and the counterweight part 7 by fastening means (fixing means), respectively.
- the two second beam fixing sections 15 that couple the two beams 13c to the counterweight section 7 join one beam 13c, and are not pin-joined. All the beams 13 may have a truss structure.
- FIG. 14 is a plan view showing a base configuration of the antenna device according to the embodiment.
- FIG. 14 shows a CC cross section of FIG.
- FIG. 14 is a bottom view of the antenna device excluding the counterweight portion 7.
- FIG. 14 shows a cross section of the beam 13 attached to the first beam fixing portion 14.
- first base plate 5 On the bottom surface of the base 10, a circular first base plate 5 and a hexagonal opening obtained by cutting each vertex of a triangle formed on the first base plate 5 are visible.
- the outer shape of the second base plate portion 9 may be the same as this opening shape.
- a portion of the lying helical isolator (anti-vibration structure 8) can be seen from the gap between the first base plate 5 and the second base plate 9.
- a portion of the first base plate 5 that fixes the first beam fixing portion 14 is referred to as a first beam fixing surface.
- the helical isolator (anti-vibration structure 8) is provided on the inner side of the short side of the hexagon where the vertices of the triangle are cut.
- helical isolators are alternately arranged on six sides forming a hexagon.
- FIG. 14 the three long sides and the three short sides constituting the hexagon are laid along the three short sides.
- the first beam fixing portion 14 is formed on the first base plate 5 so as to face a portion where the helical isolator is disposed on the plane of the base 10. That is, the first beam fixing portion 14 is formed in the region of the first base plate 5 located outside the aforementioned hexagonal short side.
- FIG. 15A is a left side view of the antenna device according to the embodiment with a base support portion.
- FIG. 15B is a rear view of the antenna device according to the embodiment with a base support portion.
- FIG. 15C is a front view of the antenna device according to the embodiment with a base support portion.
- the base support unit 12 supports the antenna device according to the embodiment. One end is fixed to the second base plate 9 and the other end is a moving body or structure (not shown) on which the antenna device is mounted. ).
- the base support portion 12 is disposed at a position inserted between the counterweight portion 7 and the second base plate 9 and supports the second base plate 9. Since the base support portion 12 is fixed to the second base plate 9, it can be said to be a second base plate support portion.
- the base support portion 12 includes a pedestal portion 12a, two columnar portions 12c, and a support columnar portion 12d.
- the pedestal portion 12 a is fixed to the second base plate 9.
- the two columnar portions 12c are fixed to the pedestal portion 12a via the hinge 12b.
- the support columnar portion 12d supports an intermediate portion of the columnar portion 12c.
- the columnar portion 12c and the support columnar portion 12d are fixed to an antenna device mounting body (not shown).
- the antenna device according to the embodiment may include the base support portion 12 and may be referred to as an antenna device.
- the region 9 b is surrounded by the plurality of first beam fixing portions 14.
- the region 9 b is surrounded by a portion where the plurality of beams 13 constituting the truss structure in the first base plate 5 are connected to the first base plate 5.
- the region 9b is ideally formed in a region including the center of the base 10 in terms of vibration isolation of the antenna device.
- the space between the rearmost beams 13c is large as an opening, so that the columnar base support portion 12 can be easily inserted. Even if the hinge 12b is included, the pedestal 12a can be easily attached to the region 9b, and the necessity of removing the beam 13 from the first base plate 5 is greatly reduced.
- the cable 7c (signal line, control line, etc.) connected to the transmission / reception processing unit 7 and the antenna unit 6 is not fixed to the beam 13. Further, a cable 7d for connecting the connector 7b of the transmission / reception processing unit (counterweight unit 7) and the communication mounting device (not shown) mounted on the antenna device mounting body (not shown) is connected to the columnar portion 12c. What is fixed is shown.
- a transmission signal from the communication device is sent to the transmission / reception processing unit (counterweight unit 7) via the cable 7d. Then, the signal is transmitted from the transmission / reception processing unit to the antenna unit 6 through the cable 7c.
- the antenna unit 6 incorporates a tracking antenna, and transmits a transmission signal toward a satellite, for example. When receiving data, the received signal is transmitted along the reverse path.
- the antenna device includes the counterweight portion 7 supported by the first base plate 5 on the opposite side of the first base plate 5 on which the antenna portion 6 is disposed on one side, the center of gravity is the first. 1 is close to the base plate 5 and the degree of freedom of arrangement of the counterweight portion 7 is high. Further, the center of gravity is close to the first base plate 5 (one end of the vibration isolation structure 8), and the vibration isolation structure 8 that connects the first base plate 5 and the second base plate 9 provides a vibration isolation function. Are better.
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- Vibration Dampers (AREA)
Abstract
Description
以下、本発明を実施するための形態について図面を参照して詳細に説明する。なお図中、同一または同等の部分には同一の符号を付す。図1は、本発明の実施の形態に係るレドーム付きのアンテナ装置の構成図である。図2は、実施の形態に係るレドーム無しのアンテナ装置の構成図である。
2 アンテナ駆動部
2b 駆動制御部
3 AZ/EL軸駆動部
4 POL軸駆動部
5 第1のベースプレート
6 アンテナ部
6b LNA
6c アンテナ部
7 カウンタウエイト部
7b コネクタ
7c ケーブル
7d ケーブル
8 防振構造部
8b 防振構造部
9 第2のベースプレート
9b 領域
10 ベース
10b ベース
11 レドーム
12 ベース支持部
12a 台座部
12b ヒンジ
12c 柱状部
12d 支持柱状部
13、13a、13b、13c ビーム
14 第1のビーム固定部
15 第2のビーム固定部
Claims (16)
- 第1のベースプレートと、
前記第1のベースプレートの一方の側に配置され、該第1のベースプレートに支持されるアンテナ部と、
前記第1のベースプレートの前記アンテナ部と反対側に配置され、該第1のベースプレートに支持されるカウンタウエイト部と、
前記第1のベースプレートに一端が固定され、前記第1のベースプレートの振動を抑制する防振構造部と、
前記防振構造部の他端を固定し、移動体または構造物に固定される第2のベースプレートと、
を備えるアンテナ装置。 - 前記第2のベースプレートは、前記第1のベースプレートと前記カウンタウエイト部との間に配置される、請求項1に記載のアンテナ装置。
- 前記防振構造部は、前記第1のベースプレートと前記第2のベースプレートとの間に配置されるヘリカルアイソレータである、請求項1または2に記載のアンテナ装置。
- 前記第2のベースプレートは、前記カウンタウエイト部と前記第2のベースプレートとの間に挿入されるベース支持部により前記移動体または前記構造物に固定される、請求項1ないし3のいずれか1項に記載のアンテナ装置。
- 前記ベース支持部の一端は、前記第2のベースプレートに固定され、前記ベース支持部の他端は、前記移動体または前記構造物に固定される、請求項4に記載のアンテナ装置。
- 前記カウンタウエイト部は、複数のビームにより前記第1のベースプレートに支持される、請求項1ないし5のいずれか1項に記載のアンテナ装置。
- 前記第1のベースプレートは、2つの前記ビームの一端がピン接合とみなせる距離で固定される第1のビーム固定部を備え、
前記カウンタウエイト部は、2つの前記ビームの一端がピン接合とみなせる距離で固定される第2のビーム固定部を備える、
請求項6に記載のアンテナ装置。 - 少なくとも1つの前記第1のビーム固定部に一端を固定された2つの前記ビームは、それぞれ他端を異なる前記第2のビーム固定部に固定される、請求項7に記載のアンテナ装置。
- 前記第1のベースプレートは、前記複数のビームの端部を固定する複数の固定部が形成され、
前記第2のベースプレートを前記移動体または前記構造物に固定するベース支持部の一端は、前記第1のベースプレートに形成された前記複数の固定部に囲まれる前記第2のベースプレートの領域に固定される、
請求項6ないし8のいずれか1項に記載のアンテナ装置。 - 前記カウンタウエイト部は、トラス構造を構成する複数のビームにより、前記第1のベースプレートに支持される、請求項1ないし5のいずれか1項に記載のアンテナ装置。
- 前記第2のベースプレートを前記移動体または前記構造物に固定するベース支持部の一端は、前記第1のベースプレートにおける前記トラス構造を構成する複数のビームが接続された部分に囲まれる、前記第2のベースプレートの領域に固定される請求項10に記載のアンテナ装置。
- 前記カウンタウエイト部は、前記アンテナ部が受信した信号の受信処理、および/または、前記アンテナ部から送信される信号の送信処理を行う送受信処理部を内蔵する、請求項1ないし11のいずれか1項に記載のアンテナ装置。
- 前記第1のベースプレートに固定される、前記アンテナ部を覆うレドームを備える、請求項1ないし12のいずれか1項に記載のアンテナ装置。
- アンテナ部と、
前記アンテナ部に連結するカウンタウエイト部と、
前記アンテナ部および前記カウンタウエイト部からなる構成の重心を通る面に、その構造の少なくとも一部が配置され、移動体または構造物に固定される防振構造と、
を備え、
前記防振構造は、前記アンテナ部の振動を抑制するアンテナ装置。 - 前記防振構造は、前記アンテナ部にその一端が固定され、
前記防振構造の他端を、前記移動体または前記構造物に固定する防振構造固定部を有する、
請求項14に記載のアンテナ装置。 - 前記アンテナ部を覆うレドームを有する、請求項14または15に記載のアンテナ装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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US14/240,160 US9325055B2 (en) | 2011-08-31 | 2012-07-26 | Antenna apparatus having vibration isolation |
KR1020147003493A KR101582499B1 (ko) | 2011-08-31 | 2012-07-26 | 안테나 장치 |
JP2013531175A JP5680207B2 (ja) | 2011-08-31 | 2012-07-26 | アンテナ装置 |
CN201280042399.9A CN103765669B (zh) | 2011-08-31 | 2012-07-26 | 天线装置 |
EP12827108.7A EP2752938B1 (en) | 2011-08-31 | 2012-07-26 | Antenna device |
IL231224A IL231224B (en) | 2011-08-31 | 2014-02-27 | Antennas for tracking with vibration isolation mechanism |
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JP2011189314 | 2011-08-31 | ||
JP2011-189314 | 2011-08-31 |
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PCT/JP2012/068989 WO2013031443A1 (ja) | 2011-08-31 | 2012-07-26 | アンテナ装置 |
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EP (1) | EP2752938B1 (ja) |
JP (1) | JP5680207B2 (ja) |
KR (1) | KR101582499B1 (ja) |
CN (1) | CN103765669B (ja) |
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AT516245B1 (de) * | 2014-07-18 | 2017-06-15 | Coil Holding Gmbh | Unterbaukonstruktion zur Erhöhung der Erdbebensicherheit eines Hochspannungsbauteils |
US10306984B2 (en) * | 2016-08-30 | 2019-06-04 | The Boeing Company | Toroidal support structures |
CN106960998A (zh) * | 2017-03-31 | 2017-07-18 | 西安星展测控科技股份有限公司 | 一种用于卫星天线底座的减震法兰 |
RU205102U1 (ru) * | 2020-06-22 | 2021-06-28 | Общество с ограниченной ответственностью "Лоретт" | Антенная станция приема сигналов исз повышенной жесткости |
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KR101582499B1 (ko) | 2016-01-05 |
CN103765669B (zh) | 2015-09-30 |
CN103765669A (zh) | 2014-04-30 |
KR20140047707A (ko) | 2014-04-22 |
EP2752938A4 (en) | 2015-04-22 |
IL231224B (en) | 2019-07-31 |
TW201322540A (zh) | 2013-06-01 |
US20140191922A1 (en) | 2014-07-10 |
EP2752938B1 (en) | 2017-07-19 |
TWI552428B (zh) | 2016-10-01 |
JPWO2013031443A1 (ja) | 2015-03-23 |
US9325055B2 (en) | 2016-04-26 |
EP2752938A1 (en) | 2014-07-09 |
IL231224A0 (en) | 2014-04-30 |
JP5680207B2 (ja) | 2015-03-04 |
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