CN203721887U - Convergence angle-adjustable antenna - Google Patents

Abstract

The antenna with adjustable convergence angle disclosed by the utility model comprises a reflector, a high-frequency head arranged at the focal point of the reflector through a signal frame, a base and an orientation adjustment device, and the orientation adjustment device includes a shaft sleeve, a rotating shaft, a rotating bracket, The fixed bracket and the fixed slide rail, the fixed slide rail is arranged on the outer surface of the reflector and divides the outer surface of the reflector into two symmetrically arranged spherical surfaces, the rotating shaft is symmetrically arranged on the reflector and symmetrically arranged on both sides of the fixed slide rail On the side, the lower ends of the two sets of rotating brackets and the lower ends of the fixed brackets are fixedly arranged on the upper surface of the base, the upper ends of the rotating brackets are fixedly connected to the bushings, the two bushings are set on the rotating shaft, and the upper ends of the fixed brackets are fixedly connected to the On the deck, the upper end of the deck is provided with a chute, and the lower part of the fixed slide rail is cooperatingly arranged in the chute of the deck. The utility model has a simple structure and can adjust the direction of the reflector arbitrarily, so that the use of the antenna is more convenient and efficient, and the use flexibility is stronger.

Description

An Antenna with Adjustable Convergence Angle

technical field

The utility model relates to an electromagnetic signal receiving device, in particular to an antenna with an adjustable convergence angle.

Background technique

Antenna) is a transformer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space), or vice versa. A component used in radio equipment to transmit or receive electromagnetic waves. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasures, remote sensing, and radio astronomy, which use electromagnetic waves to transmit information, rely on antennas to work.

The commonly used satellite antenna is often called the cauldron, which is a metal parabola, which is responsible for reflecting the satellite signal to the feed source and tuner at the focal point. The function of the satellite dish is to collect the weak signal transmitted by the satellite and remove the noise as much as possible. Most antennas are usually parabolic, and some multi-focal antennas are a combination of spherical and parabolic. The satellite signal is concentrated to its focal point after being reflected by the parabolic dish antenna. Its function is to collect the weak signal transmitted by the satellite and remove the noise as much as possible. Most antennas are usually parabolic, and some multi-focal antennas are a combination of spherical and parabolic. The satellite signal is concentrated to its focal point after being reflected by the parabolic antenna, which is analyzed by the feed source and the high frequency head.

The metal parabolic surface of the existing antenna, that is, the reflector is fixed and non-adjustable. It needs to be fixed on the platform during use and installation, and the direction of the reflector needs to face the southwest sky to ensure good reception. It is extremely inconvenient to use, inconvenient to fix, and it is easy to leave a safety hazard, and it limits the application and safety of the antenna.

Contents of the invention

In order to solve the above problems, the utility model discloses an antenna with an adjustable convergence angle, which has a simple structure, a stable center of gravity, and is easy to move and carry. At the same time, the direction of the reflector can be adjusted arbitrarily, so that the use of the antenna is more convenient and efficient. Strong capabilities, low requirements for the platform, and greater flexibility.

The antenna with adjustable convergence angle disclosed by the utility model comprises a reflector with a metal parabolic structure, a high-frequency head with a feed source arranged at the focal point of the reflector through a signal frame, a support base arranged under the reflector, and The orientation adjustment device includes two shaft sleeves, two rotating shafts, two sets of rotating brackets, a fixed bracket and a fixed slide rail, and the fixed slide rail is arranged on the outside of the reflector along a circumference of the outer surface of the reflector. On the circumference of the surface and divide the outer surface of the reflector into two symmetrically arranged spherical surfaces, the two rotating shafts are arranged symmetrically on the reflector and on both sides of the fixed slide rail, and at the same time, the two rotating axes are perpendicular to the fixed The plane where the slide rail is located, the lower ends of the two groups of rotating brackets and the lower ends of the fixed brackets are fixedly arranged on the upper surface of the base, and the upper ends of the rotating brackets are fixedly connected to the shaft sleeves, and the two shaft sleeves are respectively symmetrical The ground is sleeved on the rotating shaft, the upper end of the fixed bracket is fixedly connected to the deck, the upper end of the deck is provided with a chute, and the lower part of the fixed slide rail is fitted in the chute of the deck. The antenna with adjustable convergence angle disclosed by the utility model has a simple structure. Through the orientation adjustment device provided, the reflector of the metal parabolic structure can be adjusted at a large angle in the vertical plane when it is used and installed, and it is not limited to a single orientation. Therefore, the installation of the antenna is not limited to the horizontal plane, but can be fixed on other fixed objects including inclined planes. Antennas installed on non-horizontal planes only need to adjust the direction of the reflector to achieve good signal reception. At the same time, the set The reflector is supported by the fixed slide rail and the sliding deck supporting the slide rail, so that the support structure of the reflector is more stable and safe, and the use of the antenna is more flexible and convenient.

An improvement of the antenna with adjustable convergence angle disclosed in the utility model, the antenna with adjustable convergence angle also includes a card slot and a card bolt, and the card slot is evenly arranged on the fixed slide rail and is arranged on the fixed slide rail There are at least 2, wherein the apex angle of the isosceles triangle formed by the center of two adjacent slots and the focal point of the reflector is 1-2 degrees, preferably 1 degree, and a fixing hole is provided on the card seat, and the The clip is matched with the slot and the fixing hole, and the clip is inserted into the hole formed through the slot and the fixing hole. This improvement adjusts the position of the rear card slot and the fixing hole through the set card slot and the card bolt, so as to realize the locking, and it is convenient to reset or restore after the antenna is disassembled. At the same time, by setting two adjacent cards The apex angle of the isosceles triangle formed by the center of the groove and the focus of the reflector is 1-2 degrees, preferably 1 degree, which makes the adjustment of the pointing angle of the reflector more flexible and convenient, and has good adjustment accuracy at the same time, making the antenna Has excellent signal receiving ability.

An antenna with an adjustable convergence angle disclosed by the utility model has a simple structure, a stable center of gravity, a stable and safe structure, and is easy to use and install. The large angle and high precision make the use of the antenna more convenient and efficient, with strong signal receiving ability, low requirements for the use platform, and greater use flexibility.

Description of drawings

Fig. 1 is a structural schematic diagram of an antenna with an adjustable convergence angle disclosed by the utility model.

List of reference signs:

1. Reflector; 2. LNB; 3. Annunciator frame.

4. Base; 5. Fixed slide rail; 6. Card slot;

7. Shaft sleeve; 8. Rotary shaft; 9. Card seat;

10. The latch; 11. The rotating bracket; 12. The fixed bracket.

Detailed ways

The utility model will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the utility model and are not intended to limit the scope of the utility model. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

As shown in Figure 1, the antenna with adjustable convergence angle disclosed by the utility model comprises a reflector 1 of a metal parabolic structure, a radio frequency head 2 with a feed source arranged at the focal point of the reflector 1 through a signal device frame 3, Supporting the base 3 and the orientation adjustment device arranged under the reflector 1, the orientation adjustment device includes two bushings 7, two rotating shafts 8, two sets of rotating brackets 11, fixed brackets 12 and fixed slide rails 5, the The fixed slide rail 5 is arranged on the outer surface of the reflector 1 along a circumference of the outer surface of the reflector 1 and divides the outer surface of the reflector 1 into two symmetrical spherical surfaces, and the two rotating shafts 8 are arranged symmetrically on the reflector. 1 and symmetrically arranged on both sides of the fixed slide rail 5, while the two rotating shafts 8 are perpendicular to the plane where the fixed slide rail 5 is located. The upper surface of the seat 4, the upper end of the rotating bracket 11 is fixedly connected to the shaft sleeve 7, and the two shaft sleeves 7 are respectively symmetrically sleeved on the rotating shaft 8, and the upper end of the fixed bracket 12 is fixedly connected to the card seat 9, the upper end of the card holder 9 is provided with a chute, and the shape and size of the chute such as "T-shaped groove" matches the shape and size of the sliding part of the fixed slide rail such as the "T-shaped" lower end. The fixed slide rail 5 The bottom is fitted in the chute of the deck 9. The antenna with adjustable convergence angle disclosed by the utility model has a simple structure, and adjusts the convergence angle and focus position of the antenna through the set orientation adjustment device, so that the reflector with the metal parabolic structure can be adjusted at a large angle in the vertical plane when it is used and installed. , not limited to only one pointing, so that the installation of the antenna is not limited to the horizontal plane, but can be fixed on other fixed objects including slopes, and the antenna installed on the non-horizontal plane only needs to adjust the pointing of the reflector to achieve alignment The signal is well received, and the fixed slide rail and the deck that supports the slide rail to slide support the reflector at the same time, making the support structure of the reflector more stable and safe, and making the use of the antenna more flexible and convenient.

As a preference, the antenna with adjustable convergence angle also includes a card slot 6 and a card bolt 10, the card slot 6 is uniformly arranged on the fixed slide rail 5 and at least two are arranged on the fixed slide rail 5, wherein The apex angle of the isosceles triangle formed by the center of circle of two adjacent draw-in grooves 6 and the focal point of reflector 1 is 1-2 degree in Fig. 1, is preferably 1 degree, and described card seat 9 is provided with fixing hole , the latch 10 is matched with the slot 6 and the fixing hole, and the latch 10 is inserted into the hole formed through the slot 6 and the fixing hole. Through the set card slot and the card bolt, the position of the card slot and the fixing hole is adjusted through the card lock, so as to realize the locking, and it is convenient to reset or restore after the antenna is disassembled. At the same time, by setting the two adjacent card slots The apex angle of the isosceles triangle formed by the center of the circle and the focus of the reflector is 1-2 degrees, preferably 1 degree, which makes the adjustment of the pointing angle of the reflector more flexible and convenient, and at the same time has good adjustment accuracy, so that the antenna has excellent signal receiving capability.

An antenna with an adjustable convergence angle disclosed by the utility model has a simple structure, a stable center of gravity, a stable and safe structure, and is easy to use and install. The large angle and high precision make the use of the antenna more convenient and efficient, with strong signal receiving ability, low requirements for the use platform, and greater use flexibility.

The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of any combination of the above technical features. The above is the specific implementation of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made. It is regarded as the protection scope of the present utility model.

Claims (2)

1. An antenna with an adjustable convergence angle, comprising a reflector of a metal parabolic structure, a high frequency head with a feed source provided at the focal point of the reflector by an annunciator frame and a pedestal that is arranged below the reflector, its It is characterized in that: the antenna with adjustable convergence angle also includes an orientation adjustment device, and the orientation adjustment device includes two bushings, two rotating shafts, two sets of rotating brackets, a fixed bracket and a fixed slide rail, and the fixed slide rail is along the A circumference of the outer surface of the reflector is arranged on the circumference of the outer surface of the reflector and divides the outer surface of the reflector into two symmetrically arranged spherical surfaces. Both sides of the rail, while the two rotating shafts are perpendicular to the plane where the fixed slide rail is located, the lower ends of the two sets of rotating brackets and the lower ends of the fixed brackets are fixed on the upper surface of the base, and the upper ends of the rotating brackets are fixedly connected to the shaft sleeves, the two shaft sleeves are symmetrically sleeved on the rotating shaft respectively, the upper end of the fixed bracket is fixedly connected to the deck, the upper end of the deck is provided with a chute, and the lower part of the fixed slide rail fits Set in the chute of the deck. 2. The antenna with adjustable convergence angle according to claim 1, characterized in that: the antenna with adjustable convergence angle also includes a slot and a latch, and the slot is evenly arranged on the fixed slide rail and fixed There are at least 2 on the slide rail, wherein the apex angle of the isosceles triangle formed by the center of two adjacent card slots and the focus of the reflector is 1-2 degrees, the card seat is provided with a fixing hole, the card The bolt is matched with the slot and the fixing hole, and the bolt is inserted into the hole formed through the slot and the fixing hole.