WO2017084403A1

WO2017084403A1 - Portable satellite communication rotational parabola antenna

Info

Publication number: WO2017084403A1
Application number: PCT/CN2016/096965
Authority: WO
Inventors: 刘武丰; 赵术开; 邱进会
Original assignee: 深圳市华讯方舟卫星通信有限公司; 华讯方舟科技有限公司
Priority date: 2015-11-16
Filing date: 2016-08-26
Publication date: 2017-05-26
Also published as: CN105390792B; CN105390792A

Abstract

Disclosed is a portable satellite communication rotational parabola antenna, comprising a rotational parabola antenna. The rotational parabola antenna is formed by splicing and combining an antenna fixing portion and an antenna moving portion. There is one antenna fixing portion, and there is one antenna moving portion. The antenna moving portion and the antenna fixing portion are fixedly connected via a connection component. The antenna fixing portion and the antenna moving portion are in mirror symmetry with respect to a splicing plane, wherein the splicing plane is a plane where a splicing seam of the antenna fixing portion mating with the antenna moving portion is located. An axis of the rotational parabola antenna is located in the splicing plane. The connection component comprises a positioning connection component and/or a fixing connection component. The positioning connection component is a rotational positioning component. The present invention is more convenient and able to be rapidly mounted and dismounted, the manufacturing accuracy of an antenna plane is more assured, and the signal transceiving performance of an antenna is better.

Description

Portable satellite communication rotating parabolic antenna

Technical field

The invention relates to a satellite communication antenna, in particular to a portable satellite communication rotary parabolic antenna.

Background technique

There are two functions of the satellite communication rotating parabolic antenna: the first is to reflect the microwave signal transmitted from the communication satellite to the feed and the high frequency head located at the focus to complete the signal receiving function; the second is to transmit the earth station high power amplifier. The radio frequency signal is electromagnetically transformed into a free-space propagating microwave signal and transmitted to a designated satellite to complete the transmitting function. The main indicators for measuring the performance of satellite communication antennas are transmission and reception gain, transmission and reception efficiency, noise temperature, and radiation characteristics. The accuracy of the antenna directly affects the pros and cons of these indicators. The antenna is divided into a fixed antenna, a portable antenna, a vehicle antenna, and the like according to different usage scenarios. At present, the portable satellite communication antenna in the industry mainly adopts a splicing type, that is, the main surface of the antenna is divided into several pieces, which are spliced before use, and then disassembled and assembled after the communication is completed.

The existing portable satellite communication rotating parabolic antenna is convenient for carrying, and the rotating parabolic antenna 1 is usually spliced. As shown in Fig. 1, the parabolic antenna 1 is constructed by splicing one antenna fixing portion 1-1 and three movable portions 1-2. As shown in FIG. 2, the parabolic antenna 1 is constructed by splicing one antenna fixing portion 1-1 and five movable portions 1-2. The diameter of the antenna is usually below 1.2 meters. Due to the multiple splicing, it takes more time and is not convenient to install and use, and the accuracy of the antenna reflecting surface will be worse with the increase of the splicing surface, and the mechanical performance will be correspondingly reduced, which directly affects the transmission and reception efficiency of the antenna and the antenna. Radiation performance, as well as wind resistance.

Summary of the invention

The technical problem to be solved by the present invention is to provide a portable satellite communication rotating parabolic antenna, which is not only convenient to carry, but also convenient and quick to install and withdraw, and the production precision of the antenna surface is guaranteed, and the signal of the antenna is ensured. Transceiver performance is good.

In order to solve the above technical problem, the present invention provides a portable satellite communication rotating parabolic antenna, comprising a rotating parabolic antenna, the rotating parabolic antenna is formed by splicing and combining an antenna fixing portion and an antenna moving portion, and the antenna fixing portion has one. There is one antenna movable portion, and the antenna movable portion and the antenna fixing portion are fixedly connected by a connecting member.

The antenna fixing portion and the antenna movable portion are mirror-symmetrical with respect to the splicing surface, and the splicing surface is a plane where the splicing seam between the antenna fixing portion and the antenna movable portion is located, the rotating paraboloid The axis of the antenna is located within the splice face.

A line intersecting the splicing surface with the aperture surface of the rotating parabolic antenna is parallel to the horizontal plane.

The connecting member includes a positioning connecting member and/or a fixed connecting member.

The positioning connecting component is a rotating positioning component, and the rotating positioning component includes a positioning shaft seat, and a front end of the positioning shaft seat is fixedly connected to an outer bottom surface of the antenna fixing portion by an extension connecting fixing component, and the positioning shaft seat is biased Placed behind the outer bottom surface of the antenna movable portion a positioning rotating shaft is disposed in the shaft hole of the positioning shaft seat, and the positioning rotating shaft can rotate in the shaft hole of the positioning shaft seat or reciprocate along the axial direction of the shaft hole, Positioning the rotating shaft parallel to the axis of the rotating parabolic antenna, the front end of the positioning rotating shaft is fixedly connected with the outer bottom surface of the movable portion of the antenna, the rear end of the positioning rotating shaft is provided with a handle, and the fixed connecting component is And a plurality of the fastening buckles, wherein the plurality of the fastening buckles are fixedly connected along the longitudinal direction of the splicing seam to fix the outer surface of the antenna fixing portion and the outer surface of the antenna movable portion.

The positioning shaft seat has a cylindrical shape, and a front side wall of the positioning shaft seat is provided with a guiding long gap along a length direction of the positioning shaft seat, and the guiding long gap has a depth greater than the antenna movable portion. Correspondingly, the side surface of the positioning rotating shaft is provided with a guiding block, and when the antenna fixing portion and the antenna movable portion are oppositely connected, the guiding block is located at the bottom of the guiding long slit; or

The sidewalls of the positioning shaft seat are respectively provided with axial grooves at two ends of the same diameter, wherein one axial groove is long and is an axial guiding groove, and the length of the axial guiding groove is greater than the antenna activity The thickness of the bottom surface of the portion, the other groove is short, is a fixing groove, the length of the fixing groove is larger than the axial length of the guiding block, and the front end of the axial guiding groove and the front end of the fixing groove pass a semicircle The circumferential guide is connected to the slot, and the guiding block reciprocates in the axial guiding groove, the circumferential guiding groove and the fixing groove in sequence, and when the antenna fixing portion and the antenna movable portion are in contact with each other, the guiding The block is located at the rear end of the axial guide groove.

Balls are disposed on the rear end surface of the guide block.

a side of the guiding long slit is provided with a spring ball braking member for preventing free movement of the guiding block, and/or a rear portion of the positioning rotating shaft is sleeved with a compression return spring, and the compression return spring is located at the Between the rear end of the positioning shaft seat and the handle.

The front side wall of the positioning shaft seat is provided with a fixed short gap along the length direction of the positioning shaft seat, and the fixed short gap is located on the same diameter as the guiding long gap, and the length of the fixed short gap is larger than The axial length of the guide block, the side surface in the fixed short gap is provided with a spring ball brake member that prevents the guide block from freely moving.

The positioning connecting component is a hinge positioning component, and the hinge positioning component has two ends, and two ends of the antenna movable portion are respectively hinged with two ends of the antenna fixing portion by two hinge positioning components, the fixing The connecting member is a fastening buckle, and the fastening buckle has a plurality of the fastening buckles distributed along the length direction of the splicing slit to the outer surface of the antenna fixing portion and the antenna movable portion The outer surfaces are fixedly connected together; or,

The positioning connecting component is a chuck positioning component, the chuck positioning component has a plurality of, and the plurality of chuck positioning components are divided into two groups, and a set of the chuck positioning components are distributedly disposed in the antenna activity. Correspondingly, a seam is disposed on the joint surface of the antenna fixing portion, and another set of the chuck positioning members are disposed on the half circumference of the movable portion of the antenna. Correspondingly, the antenna fixing portion has a bayonet distributed on the half circumference of the aperture, the fixed connecting component is a fastening buckle, and the fastening buckle has a plurality of the fastening buckles. Fixing the outer surface of the antenna fixing portion and the outer surface of the antenna movable portion together along the length direction of the splicing seam; or

The positioning connecting component is a chuck positioning component, the chuck positioning component has a plurality of, and the plurality of chuck positioning components are divided into two groups, and a set of the chuck positioning components are distributedly disposed on the antenna. a joint surface of the portion, correspondingly, a joint surface of the movable portion of the antenna A bayonet is disposed in a distributed manner, and another set of the chuck positioning members is disposed on the half circumference of the aperture of the antenna fixing portion. Correspondingly, a bayonet is disposed on the half circumference of the antenna movable portion. The fixed connecting component is a fastening buckle, and the fastening buckle has a plurality of the fastening buckles distributed along the length direction of the splicing seam to the outer surface of the antenna fixing portion and the The outer surfaces of the movable parts of the antenna are fixedly connected together.

The portable satellite communication rotating parabolic antenna of the present invention has the following advantageous effects as compared with the prior art.

1. The technical solution adopts the technical means that the movable part of the antenna and the fixed part of the antenna are fixedly connected by a connecting component, so that it is not only convenient to carry, but also installed and removed. Convenient and fast, the production accuracy of the antenna surface is guaranteed, and the signal transmission and reception performance of the antenna is good.

2. The present invention adopts the antenna fixing portion and the antenna movable portion to be mirror-symmetrical with respect to the splicing surface, and the splicing surface is a splicing seam between the antenna fixing portion and the antenna movable portion. The plane in which the rotating parabolic antenna is located is located in the splicing plane, so that it is advantageous to reduce the space occupied by the portable satellite communication rotating parabolic antenna, and is more convenient to carry.

3. The technical solution adopts the technical method that the straight line intersecting the aperture surface of the rotating parabolic antenna is parallel to the horizontal plane, so that the height of the portable satellite communication rotating parabolic antenna can be minimized, and the most convenient to carry. .

4. In the present technical solution, since the connecting member includes a technical means for positioning the connecting member and/or fixing the connecting member, the antenna movable portion and the antenna fixing portion can be fixed together in various ways.

5. The present invention adopts the positioning connecting component as a rotating positioning component, and the rotating positioning component includes a positioning shaft seat, and the front end of the positioning axle seat is fixed to the outer bottom surface of the antenna fixing portion by extending the connecting fixing component. Connecting, the positioning shaft seat is offset behind the outer bottom surface of the movable portion of the antenna, and a positioning rotating shaft is disposed in the shaft hole of the positioning shaft seat, and the positioning rotating shaft can be in the shaft hole of the positioning shaft seat The inner rotation can also reciprocate along the axial direction of the shaft hole, the positioning rotation axis is parallel to the axis of the rotating parabolic antenna, and the front end of the positioning rotation shaft is fixedly connected with the outer bottom surface of the antenna movable portion. a rear end of the positioning rotating shaft is provided with a handle, the fixed connecting component is a plurality of fastening buckles, and the plurality of fastening buckles are distributed along the length direction of the splicing seam to the outside of the antenna fixing portion The surface and the outer surface of the movable portion of the antenna are fixedly connected together, so that the installation and withdrawal are more convenient and quick, the production precision of the antenna surface is more assured, and the signal transmission and reception of the antenna is ensured. Better performance.

6. The technical solution adopts the shape of the positioning shaft seat to be cylindrical, and the front side of the side wall of the positioning shaft seat is provided with a guiding long gap along the length direction of the positioning shaft seat, and the guiding long gap The depth of the antenna is greater than the thickness of the bottom of the movable portion of the antenna. Correspondingly, the side of the positioning rotating shaft is provided with a guiding block. When the antenna fixing portion and the antenna movable portion are oppositely connected, the guiding block is located at the The technical means of guiding the bottom of the long gap, therefore, the installation and withdrawal are more precise, convenient and fast, the production precision of the antenna surface is more guaranteed, and the signal transmission and reception performance of the antenna is better.

When the sidewalls of the positioning shaft seat are located at two ends of the same diameter, respectively, axial grooves are provided, wherein one axial groove is long, which is an axial guiding groove, and the length of the axial guiding groove is greater than the length The thickness of the bottom surface of the antenna movable portion, and the other groove is short, which is a fixing groove, The length of the fixing groove is larger than the axial length of the guiding block, and the front end of the axial guiding groove and the front end of the fixing groove are communicated by a semicircular circumferential guiding groove, and the guiding block is sequentially in the axial direction Reciprocating movement in the guiding groove, the circumferential guiding groove, and the fixing groove. When the antenna fixing portion and the antenna movable portion are in contact with each other, when the guiding block is located at the rear end of the axial guiding groove, the same is true The installation and withdrawal are more precise, convenient and fast, the production accuracy of the antenna surface is more guaranteed, and the signal transmission and reception performance of the antenna is better.

7. The technical solution adopts the technical means that the ball is disposed on the rear end surface of the guiding block, so that the guiding block moves in the circumferential direction on the front end surface of the positioning shaft seat, and the guide block is also guided in the circumferential direction. Movement in the tank.

8. The technical solution adopts the technical means that the side of the guiding long gap is provided with a spring ball brake component for preventing the free movement of the guiding block, so that the length of the guiding block along the positioning shaft seat can be prevented. Free movement in direction. When the rear portion of the positioning rotating shaft is sleeved with a compression return spring, and the compression return spring is located between the rear end of the positioning shaft seat and the handle, the same can be prevented. The guide block is free to move along the length of the positioning shaft seat.

9. In the technical solution, the front side wall of the positioning shaft seat is provided with a fixed short gap along the length direction of the positioning shaft seat, and the fixed short gap is located on the same diameter as the guiding long gap. The length of the fixed short slit is larger than the axial length of the guide block, and the side surface of the fixed short gap is provided with a technical means for preventing the spring ball brake member from freely moving the guide block, so that the effective prevention can be effectively prevented. The guide block is free to move along the circumferential direction of the positioning shaft seat.

10. The technical solution adopts the positioning connecting component as a hinge positioning component, and the hinge positioning component has two, and two ends of the movable portion of the antenna pass through the two hinge positioning components and the antenna fixing portion respectively. The two ends are hinged, the fixed connecting component is a fastening buckle, and the fastening buckle has a plurality of the fastening buckles distributed along the length direction of the splicing seam to fix the antenna fixing portion The technical means of the outer surface and the outer surface of the movable portion of the antenna are fixedly connected, so that it is advantageous to protect the reflecting surface of the antenna.

When the positioning connecting component is a chuck positioning component, the chuck positioning component is plural, and the plurality of chuck positioning components are divided into two groups, and a set of the chuck positioning components are distributedly disposed in the Correspondingly, a seam is disposed on the joint surface of the antenna fixing portion, and another set of the chuck positioning members are disposed at a semicircle of the antenna movable portion. Correspondingly, a bayonet is disposed on the half circumference of the antenna fixing portion, and the fixed connecting member is a fastening buckle, and the fastening buckle has a plurality of the fastening portions. When the buckle is distributed along the longitudinal direction of the splicing seam to fix the outer surface of the antenna fixing portion and the outer surface of the movable portion of the antenna together, it is also advantageous to protect the reflecting surface of the antenna.

When the positioning connecting component is a chuck positioning component, the chuck positioning component is plural, and the plurality of chuck positioning components are divided into two groups, and a set of the chuck positioning components are distributedly disposed in the Correspondingly, a seam is disposed on the joint surface of the antenna movable portion, and another set of the chuck positioning members are disposed at a semicircle of the antenna fixing portion. A bayonet is disposed on the semicircle of the antenna movable portion. The fixed connecting member is a fastening buckle, and the fastening buckle has a plurality of the fastening. When the buckle is distributed along the longitudinal direction of the splicing seam to fix the outer surface of the antenna fixing portion and the outer surface of the movable portion of the antenna together, it is also advantageous to protect the reflecting surface of the antenna.

DRAWINGS

1 is a schematic structural view of a first portable satellite communication rotating parabolic antenna in the prior art.

2 is a schematic structural view of a second portable satellite communication rotating parabolic antenna in the prior art.

FIG. 3 is a schematic side view showing the structure of a first portable satellite communication rotating parabolic antenna in an installed state according to an embodiment of the present invention.

4 is a schematic view showing the structure of the A direction in FIG.

FIG. 5 is a schematic side view showing the structure of the first portable satellite communication rotating parabolic antenna in the state after the withdrawal according to the embodiment of the present invention.

FIG. 6 is a schematic exploded view of another positioning shaft seat of FIG. 1. FIG.

FIG. 7 is a side view showing a second portable satellite communication rotating parabolic antenna in a state after installation according to an embodiment of the present invention.

FIG. 8 is a side view showing a second portable satellite communication rotating parabolic antenna in a state after being retracted according to an embodiment of the present invention.

FIG. 9 is a schematic side view showing the structure of a third portable satellite communication rotating parabolic antenna in an installed state according to an embodiment of the present invention.

FIG. 10 is a schematic side view showing the structure of a third portable satellite communication rotating parabolic antenna according to an embodiment of the present invention.

The reference numerals are explained below.

1 to rotating parabolic antenna;

1-1 to the antenna fixing portion;

1-2~ antenna active part;

2 to rotating positioning components;

2-1~ positioning shaft seat;

2-1-1~ axial guiding groove;

2-1-2~ fixing groove;

2-1-3~week guide groove;

2-2~ positioning rotation axis;

2-3 ~ handle;

2-4~ guiding block;

2-5 to ball;

2-6～spring ball brake parts;

2-7~ compression return spring;

2-8～spring ball brake parts;

2-9~ extension connecting fixed parts;

3~ fastening buckle;

4 to the base;

5~ hinge positioning component;

6 ~ chuck positioning parts.

detailed description

As shown in FIG. 3 to FIG. 10, a portable satellite communication rotating parabolic antenna provided by the present embodiment includes a rotating parabolic antenna 1 which is spliced by an antenna fixing portion 1-1 and an antenna movable portion 1-2. The antenna fixing portion 1-1 has one, and the antenna movable portion 1-2 has one. The antenna movable portion 1-2 and the antenna fixing portion 1-1 are fixedly connected by a connecting member. . As can be seen from Fig. 3, the antenna fixing portion 1-1 is fixedly connected to the base (4). The antenna movable portion 1-2 and the antenna fixing portion 1-1 are made of a metal material (which can also be made of glass fiber), and are required to be designed according to the curvature of the parabolic antenna to ensure that after the two pieces are completed, they can be combined. Become a complete parabolic antenna.

In this embodiment, since the antenna movable portion is used, the antenna movable portion and the antenna fixing portion are fixedly connected by a connecting member, so that it is not only convenient to carry, but also convenient for installation and withdrawal. Fast, the production accuracy of the antenna surface is guaranteed, and the signal transmission and reception performance of the antenna is good.

As a first step improvement of the present embodiment, as shown in FIG. 3 to FIG. 10, the antenna fixing portion 1-1 and the antenna movable portion 1-2 are mirror-symmetrical with respect to a splicing surface, and the splicing surface is the A plane in which the splicing seams between the antenna fixing portion 1-1 and the antenna movable portion 1-2 are located, and an axis of the rotating parabolic antenna 1 is located in the splicing plane.

In this embodiment, the antenna fixing portion and the antenna moving portion are mirror-symmetrical with respect to the splicing surface, and the splicing surface is a splicing seam between the antenna fixing portion and the antenna moving portion. The plane, the axis of the rotating parabolic antenna is located in the splicing plane, so that it is advantageous to reduce the space occupied by the portable satellite communication rotating parabolic antenna, and is more convenient to carry.

As a second modification of the present embodiment, as shown in FIGS. 3 to 10, a straight line intersecting the splicing surface with the caliper surface of the rotating parabolic antenna 1 is parallel to the horizontal plane.

In this embodiment, since the straight line intersecting the aperture surface of the rotating parabolic antenna is parallel to the horizontal plane, the height of the portable satellite communication rotating parabolic antenna can be minimized, and the most convenient for carrying.

As a third modification of the present embodiment, as shown in FIGS. 3 to 10, the connecting member may be a positioning connecting member or a fixed connecting member.

In the present embodiment, since the connecting means includes a technique of positioning the connecting member and/or fixing the connecting member, the antenna movable portion and the antenna fixing portion can be fixed together in various ways.

As a fourth modification of the present embodiment, as shown in FIGS. 3 to 5, the positioning connecting member is a rotary positioning member 2, and the rotary positioning member 2 includes a positioning shaft seat 2-1, and the positioning shaft seat 2 The front end of the -1 is fixedly connected to the outer bottom surface of the antenna fixing portion 1-1 by the extension connecting fixing member 2-9, and the positioning shaft base 2-1 is offset from the outer bottom surface of the antenna movable portion 1-2. a positioning rotating shaft 2-2 is disposed in the shaft hole of the positioning shaft seat 2-1, and the positioning rotating shaft 2-2 can rotate in the shaft hole of the positioning shaft seat 2-1, and can also be along The axial direction of the shaft hole reciprocates, the positioning rotating shaft 2-2 is parallel to the axis of the rotating parabolic antenna 1, the front end of the positioning rotating shaft 2-2 and the outer bottom surface of the antenna movable portion 1-2 A fixed connection is provided, and a rear end of the positioning rotary shaft 2-2 is provided with a handle 2-3. As a preference, the handle 2-3 is a plum-shaped handle. The fixed connecting member is a plurality of fastening buckles 3, and the plurality of the fastening buckles 3 are distributed along the length direction of the splicing slit to the outer surface of the antenna fixing portion 1-1 and the antenna movable portion 1-2 outer surface solid Be sure to connect together.

When the portable satellite communication rotating parabolic antenna is in the retracted state (see FIG. 5), the handle is first rotated for 2-3 weeks, and then the handle 2-3 is pulled back to make the antenna movable portion 1-2 and the antenna fixing portion. The 1-1 is butted, and then the antenna movable portion 1-2 and the antenna fixing portion 1-1 are fixed together by the fastening buckle 3, so that the portable satellite communication rotating parabolic antenna is in use. When the portable satellite communication rotating parabolic antenna is in use, the handle 2-3 is pushed forward, and then the handle is turned 2-3 for a half cycle, so that the antenna movable portion 1-2 and the antenna fixing portion 1-1 are overlapped. Receive status.

In this embodiment, the positioning connecting component is a rotating positioning component, and the rotating positioning component includes a positioning shaft seat, and the front end of the positioning shaft seat is fixedly connected to the outer bottom surface of the antenna fixing portion by extending the connecting fixing component. The positioning shaft seat is offset from the outer bottom surface of the movable portion of the antenna, and a positioning rotating shaft is disposed in the shaft hole of the positioning shaft seat, and the positioning rotating shaft can rotate in the shaft hole of the positioning shaft seat Reciprocating motion may also be performed along an axial direction of the shaft hole, the positioning rotation axis being parallel to an axis of the rotating parabolic antenna, and a front end of the positioning rotation shaft being fixedly connected to an outer bottom surface of the antenna movable portion, a rear end of the positioning rotating shaft is provided with a handle, the fixed connecting component is a plurality of fastening buckles, and the plurality of fastening buckles are distributed along the length direction of the splicing seam to the outer surface of the antenna fixing portion and The outer surface of the movable portion of the antenna is fixedly connected together, so that the installation and withdrawal are more convenient and quick, the production precision of the antenna surface is more guaranteed, and the signal transmission and reception of the antenna is improved. Better.

As a fifth modification of the embodiment, as shown in FIG. 3 to FIG. 5, the positioning shaft seat 2-1 has a cylindrical shape, and the front side wall of the positioning shaft seat 2-1 is along the The longitudinal direction of the positioning shaft seat 2-1 is provided with a guiding long slit, and the depth of the guiding long slit is larger than the thickness of the bottom of the antenna movable portion 1-2, and correspondingly, the side surface of the positioning rotating shaft 2-2 is disposed The guiding block 2-4 is located at the bottom of the guiding long slit when the antenna fixing portion 1-1 and the antenna movable portion 1-2 are in contact with each other.

Of course, as shown in FIG. 6, the sidewalls of the positioning shaft seat 2-1 are respectively provided with axial grooves at both ends of the same diameter, wherein one axial groove is long and is an axial guiding groove. 2-1-1, the length of the axial guiding groove 2-1-1 is greater than the thickness of the bottom surface of the antenna movable portion 1-2, and the other groove is short, which is a fixing groove 2-1-2, the fixing The length of the groove 2-1-2 is larger than the axial length of the guiding block 2-4, and the front end of the axial guiding groove 2-1-1 and the front end of the fixing groove 2-1-2 pass through a semicircle The circumferential guide is connected to the slot 2-1-3, and the guide block 2-4 is sequentially in the axial guiding groove 2-1-1, the circumferential guiding groove 2-1-3, and the fixing groove 2-1-2. In the reciprocating motion, when the antenna fixing portion 1-1 and the antenna movable portion 1-2 are in contact with each other, the guiding block 2-4 is located at the rear end of the axial guiding groove 2-1-1.

In this embodiment, since the shape of the positioning shaft seat is cylindrical, the front side wall of the positioning shaft seat is provided with a guiding long gap along the length direction of the positioning shaft seat, and the depth of the guiding long gap is Correspondingly, the side of the positioning rotating shaft is disposed with a guiding block. When the antenna fixing portion and the antenna movable portion are oppositely connected, the guiding block is located at the guiding length. The technical means at the bottom of the gap, therefore, the installation and withdrawal are more precise, convenient and fast, the production accuracy of the antenna surface is more guaranteed, and the signal transmission and reception performance of the antenna is better.

As a sixth modification of the present embodiment, as shown in FIGS. 3 and 5, the rear end faces of the guide blocks 2-4 are provided with balls 2-5.

In this embodiment, since the technical means of providing the balls on the rear end surface of the guide block is adopted, the guide block is advantageously moved in the circumferential direction on the front end surface of the positioning shaft seat, and the guide block is also facilitated in the circumferential guide groove. motion.

As a seventh modification of the present embodiment, as shown in Figs. 3 and 5, the side surface in the guide long slit is provided with a spring ball brake member 2-6 for preventing the guide block 2-4 from freely moving. Of course, it is also possible that the rear portion of the positioning rotating shaft 2-2 is sleeved with a compression return spring 2-7, and the compression return spring 2-7 is located at the rear end of the positioning shaft seat 2-1 and the handle. Between 2-3.

In this embodiment, since the side surface in the guide long slit is provided with a technical means for preventing the spring ball brake member from freely moving the guide block, the guide block can be prevented from being free along the length direction of the positioning shaft seat. motion. When the rear portion of the positioning rotating shaft is sleeved with a compression return spring, and the compression return spring is located between the rear end of the positioning shaft seat and the handle, the same can be prevented. The guide block is free to move along the length of the positioning shaft seat.

As a modification of the eighth step of the embodiment, as shown in FIG. 3 and FIG. 5, the front side wall of the positioning shaft seat 2-1 is provided with a fixed short gap along the longitudinal direction of the positioning shaft seat 2-1. The fixed short slit is located on the same diameter as the guiding long slit, the length of the fixed short slit is larger than the axial length of the guiding block 2-4, and the side in the fixed short gap is provided to block the guiding Blocks 2-4 freely moving spring ball brake components 2-8. As a preferred, as shown in FIG. 3, the guide long slit is away from the seam, and the fixed short slit is close to the seam. Of course, it is also possible that the guide long slit is close to the seam, and the fixed short slit is away from the seam.

In this embodiment, the front side wall of the positioning shaft seat is provided with a fixed short gap along the longitudinal direction of the positioning shaft seat, and the fixed short gap is located on the same diameter as the guiding long opening, and the fixing is fixed. The length of the short gap is greater than the axial length of the guide block, and the side surface of the fixed short gap is provided with a technical means for preventing the spring ball brake member from freely moving the guide block, so that the guide can be effectively prevented. The block is free to move in the circumferential direction of the positioning shaft seat.

As a ninth modification of the present embodiment, as shown in FIGS. 7 to 8, the positioning connecting member is a hinge positioning member 5, the hinge positioning member 5 has two, and two of the antenna movable portions 1-2 The two ends are hinged to the two ends of the antenna fixing portion 1-1 by the two hinge positioning members 5, and the fixed connecting member is a fastening buckle 3, and the fastening buckle 3 has a plurality of The fastening buckle 3 is fixedly coupled to the outer surface of the antenna fixing portion 1-2 and the outer surface of the antenna movable portion 1-2 along the longitudinal direction of the splicing slit.

Of course, as shown in FIG. 9 to FIG. 10, the positioning connecting component is a chuck positioning component 6, and the chuck positioning component 6 has a plurality of, and the plurality of the chuck positioning components 6 are divided into two groups. a set of the chuck positioning members 6 are disposed on the joint surface of the antenna movable portion 1-2, and correspondingly, the seam surface of the antenna fixing portion 1-1 is disposed with a bayonet Another set of said chuck positioning portion A member 6 is disposed on the half circumference of the aperture of the antenna movable portion 1-2. Correspondingly, the antenna fixing portion 1-1 is disposed with a bayonet distributed on the half circumference of the aperture, and the fixed connecting member is tight. a fastening buckle 3 having a plurality of fastening buckles 3, a plurality of the fastening buckles 3 being distributed along the length direction of the splicing slit to the outer surface of the antenna fixing portion 1-1 and the antenna The outer surfaces of the movable portions 1-2 are fixedly coupled together.

It is also possible that the positioning connecting component is a chuck positioning component 6, the chuck positioning component 6 has a plurality of, and the plurality of the chuck positioning components 6 are divided into two groups, and the set of the chuck positioning components 6 are distributed. Positioned on the joint surface of the antenna fixing portion 1-1, correspondingly, the seam surface of the antenna movable portion 1-2 is distributedly provided with a bayonet, and the other group of the chuck positioning member 6 Distributedly disposed on the half-circle of the diameter of the antenna fixing portion 1-1, correspondingly, the antenna movable portion 1-2 is disposed with a bayonet distributed on the half circumference of the aperture, and the fixed connecting member is a fastening The buckle 3 has a plurality of the fastening buckles 3, and the plurality of the fastening buckles 3 are distributed along the length direction of the splicing slit to the outer surface of the antenna fixing portion 1-1 and the antenna movable portion. The outer surfaces of 1-2 are fixedly connected together.

In this embodiment, since the positioning connecting component is a hinge positioning component, the hinge positioning component has two, and two ends of the antenna movable portion respectively pass through two of the hinge positioning component and the antenna fixing component. End fastening, the fixed connection component is a fastening buckle, the fastening buckle has a plurality of, the plurality of fastening buckles are distributed along the length direction of the splicing seam to the outer surface of the antenna fixing portion The technical means of being fixedly connected to the outer surface of the movable portion of the antenna is advantageous for protecting the reflective surface of the antenna.

It should be noted that the various embodiments described above with reference to the accompanying drawings are only to illustrate the invention and not to limit the scope of the invention, and those of ordinary skill in the art should understand that without departing from the spirit and scope of the invention Modifications or equivalents to the invention are intended to be included within the scope of the invention. In addition, unless the context indicates otherwise, words in the singular include plural and vice versa. In addition, all or a portion of any embodiment can be used in combination with all or a portion of any other embodiment, unless otherwise stated.

Claims

A portable satellite communication rotating parabolic antenna comprising a rotating parabolic antenna (1), the rotating parabolic antenna (1) being spliced and assembled by an antenna fixing portion (1-1) and an antenna moving portion (1-2), There is one antenna fixing portion (1-1), characterized in that: one of the antenna movable portions (1-2), the antenna movable portion (1-2) and the antenna fixing portion (1-1) The connection is fixed by the connecting member.
The portable satellite communication parabolic antenna according to claim 1, wherein said antenna fixing portion (1-1) and said antenna movable portion (1-2) are mirror-symmetrical with respect to a splicing surface, and said splicing surface is A plane in which the splicing seam between the antenna fixing portion (1-1) and the antenna movable portion (1-2) is located, and an axis of the rotating parabolic antenna (1) is located in the splicing plane.
The portable satellite communication parabolic antenna according to claim 2, characterized in that the line of the splicing surface intersecting the aperture surface of the rotating parabolic antenna (1) is parallel to the horizontal plane.
The portable satellite communication parabolic antenna according to claim 1, wherein said connecting member comprises a positioning connecting member and/or a fixed connecting member.
A portable satellite communication parabolic antenna according to claim 4, wherein said positioning connecting member is a rotational positioning member (2), said rotational positioning member (2) comprising a positioning shaft seat (2-1), said The front end of the positioning shaft seat (2-1) is fixedly connected to the outer bottom surface of the antenna fixing portion (1-1) by an extension connecting fixing member (2-9), and the positioning shaft seat (2-1) is offset from a rear side of the outer bottom surface of the antenna movable portion (1-2), a positioning rotating shaft (2-2) is disposed in the shaft hole of the positioning shaft seat (2-1), and the positioning rotating shaft (2-2) Rotating within the shaft hole of the positioning shaft seat (2-1) or reciprocating along the axial direction of the shaft hole, the positioning rotation shaft (2-2) being parallel to the rotating parabolic antenna (1) An axis of the positioning rotating shaft (2-2) is fixedly coupled to an outer bottom surface of the antenna movable portion (1-2), and a rear end of the positioning rotating shaft (2-2) is provided with a handle ( 2-3) the fixed connecting member is a plurality of fastening buckles (3), and the plurality of fastening buckles (3) are distributed along the length direction of the splicing slit to fix the antenna fixing portion (1) 1) an outer surface and the antenna movable portion (1-2) Fixedly connected to the surface.
The portable satellite communication parabolic antenna according to claim 5, wherein said positioning shaft base (2-1) has a cylindrical shape, and a front side edge of said positioning shaft base (2-1) The longitudinal direction of the positioning shaft seat (2-1) is provided with a guiding long slit, and the depth of the guiding long slit is greater than the thickness of the bottom of the movable portion (1-2) of the antenna, and correspondingly, the positioning rotating shaft ( The side surface of 2-2) is provided with a guiding block (2-4), and when the antenna fixing portion (1-1) and the antenna movable portion (1-2) are in contact with each other, the guiding block (2-4) ) at the bottom of the guiding long slit; or,

The sidewalls of the positioning shaft seat (2-1) are respectively provided with axial grooves at both ends of the same diameter, wherein one axial groove is long and is an axial guiding groove (2-1-1). The length of the axial guiding groove (2-1-1) is larger than the thickness of the bottom surface of the movable portion (1-2) of the antenna, and the other groove is short, which is a fixing groove (2-1-2), the fixing groove The length of (2-1-2) is larger than the axial length of the guide block (2-4), the front end of the axial guide groove (2-1-1) and the fixed groove (2-1-2) The front end is communicated by a semicircular circumferential guiding groove (2-1-3), and the guiding block (2-4) is sequentially in the axial guiding groove (2-1-1), the circumferential guiding groove (2-1-3), reciprocating motion in the fixing groove (2-1-2), when the antenna fixing portion (1-1) and the antenna movable portion (1-2) are in contact with each other, the guiding The block (2-4) is located at the rear end of the axial guide groove (2-1-1).
The portable satellite communication parabolic antenna according to claim 6, characterized in that the rear end surface of the guide block (2-4) is provided with balls (2-5).
The portable satellite communication parabolic antenna according to claim 6, wherein a side of the guide long slit is provided with a spring ball brake member (2-6) for preventing free movement of the guide block (2-4). And/or, a rear portion of the positioning rotating shaft (2-2) is sleeved with a compression return spring (2-7), and the compression return spring (2-7) is located at the positioning shaft seat (2-1) Between the back end and the handle (2-3).
The portable satellite communication parabolic antenna according to claim 6, wherein the front side wall of the positioning shaft base (2-1) is fixed short along the longitudinal direction of the positioning shaft seat (2-1). a gap, the fixed short slit is located on the same diameter as the guiding long slit, the length of the fixed short slit is larger than the axial length of the guiding block (2-4), and the side surface of the fixed short gap is provided A spring ball brake member (2-8) that prevents the guide block (2-4) from moving freely.
A portable satellite communication parabolic antenna according to claim 4, wherein said positioning connecting member is a hinge positioning member (5), said hinge positioning member (5) has two, said antenna movable portion (1) Both ends of 2) are respectively hinged to both ends of the antenna fixing portion (1-1) by two hinge positioning members (5), and the fixed connecting member is a fastening buckle (3), the tight There are a plurality of fastening buckles (3), and a plurality of the fastening buckles (3) are distributed along the length direction of the splicing slit to the outer surface of the antenna fixing portion (1-1) and the antenna movable portion. The outer surfaces of (1-2) are fixedly connected together; or,

The positioning connecting component is a chuck positioning component (6), the chuck positioning component (6) has a plurality of, and the plurality of the chuck positioning components (6) are divided into two groups, and one set of the chuck positioning The component (6) is distributedly disposed on the joint surface of the antenna movable portion (1-2), and correspondingly, the joint surface of the antenna fixing portion (1-1) is distributed with a bayonet, and A set of the chuck positioning members (6) are distributedly disposed on a half circumference of the antenna movable portion (1-2), and correspondingly, the antenna fixing portion (1-1) is distributed on a half circumference of the aperture Is provided with a bayonet, the fixed connecting component is a fastening buckle (3), the fastening buckle (3) has a plurality of, the plurality of the fastening buckles (3) along the splicing seam a longitudinal direction distribution fixedly connecting the outer surface of the antenna fixing portion (1-1) and the outer surface of the antenna movable portion (1-2); or

The positioning connecting component is a chuck positioning component (6), the chuck positioning component (6) has a plurality of, and the plurality of the chuck positioning components (6) are divided into two groups, and one set of the chuck positioning The component (6) is distributedly disposed on the joint surface of the antenna fixing portion (1-1), and correspondingly, the seam surface of the antenna movable portion (1-2) is distributed with a bayonet, and A set of the chuck positioning members (6) are distributedly disposed on a half circumference of the aperture of the antenna fixing portion (1-1), and correspondingly, a half circumference of the antenna movable portion (1-2) is distributed Is provided with a bayonet, the fixed connecting component is a fastening buckle (3), the fastening buckle (3) has a plurality of, the plurality of the fastening buckles (3) along the splicing seam The longitudinal direction distribution securely connects the outer surface of the antenna fixing portion (1-1) and the outer surface of the antenna movable portion (1-2).