Low-cost reflecting surface

Abstract

The parabolic reflector antenna is widely applied to occasions such as satellite communication, electromagnetic signals are reflected by the reflector, and the signals have perfect directivity. A parabolic reflecting surface is usually made of a hard material, and has the problems of complex structure, inconvenience in carrying and particularly high cost. In order to solve the problems of complicated structure, inconvenience in carrying, higher cost and the like, the utility model provides a reflecting surface scheme which is simple in structure and low in cost, and is particularly suitable for emergency and disposable occasions. The scheme of the utility model is as follows: two circular plastic films are compressed on the periphery, one plastic film is made of wave-transparent material, the other plastic film is a plastic film covered with a metal film, an inflating and deflating nozzle is arranged on the plastic film, the plastic film can be in a folded state when being stored, the plastic film is inflated on site when being used, one side of the film with the metal film is in a paraboloid shape after being inflated, and the other side of the film with the metal film is in a paraboloid shape. The plane points to a communication object, and microwave signals can be transmitted or received through a feed source.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of reflecting surfaces, especially a kind of low-cost parabolic reflecting surface. BACKGROUND

[0002] Parabolic reflecting surface antenna is widely used in microwave communication, satellite communication, electronic jamming, electronic deception and the like, electromagnetic signal is reflected by reflecting surface, and signal has perfect directivity. Parabolic reflecting surface is usually made of hard metal material or hard non-metal material covered with metal film, and even if its reflecting surface is assembled structure, it also has problems of complex structure, inconvenience to carry and high cost. SUMMARY

[0003] To overcome the problems of complex structure, inconvenience to carry and high cost, the utility model provides a kind of reflecting surface scheme with simple structure, easy to carry and low cost, which is especially suitable for emergency and disposable occasions.

[0004] The utility model scheme is: the periphery of two circular plastic films is pressed and molded, one plastic film is wave-transparent material, and the other is plastic film covered with metal film inside, and a gas charging and discharging nozzle is mounted thereon, which can be in folded state when stored, and inflated on site when used. After inflation, the side of the film with metal film presents parabolic shape, and the surface is directed to the communication object. Microwave signals can be transmitted or received through the feed source.

[0005] The utility model is especially suitable for battlefield electronic deception, i.e. using false signals to lure enemy attack. Since it is false signal, there is no need to be particularly high for signal index of antenna. The utility model is suitable for such disposable occasions, and used to consume enemy's war resources. The utility model can also be used for emergency use of our microwave antenna in battlefield damage. BRIEF DESCRIPTION OF DRAWINGS

[0006] Figure 1 A kind of low-cost reflecting surface schematic view DETAILED DESCRIPTION

[0007] The periphery of two circular plastic films is pressed and molded, one plastic film is wave-transparent material (1) (illustrated as transparent material), and the other is plastic film covered with metal film inside (2) (illustrated with shadow), and a gas charging and discharging nozzle (3) is mounted thereon, which can be in folded state when stored, and inflated on site when used. After inflation, the side of the film with metal film (2) presents parabolic shape, and the feed source (4) is located at the focal point position of the plastic film (2). The surface is directed to the communication object, and the microwave signals emitted by the feed source (4) are reflected by the reflecting surface (2) to the communication target, or the microwave signals received by the reflecting surface (2) are directed to the feed source (4). The connection of microwave signal power amplifier and low-noise amplifier with the feed source (4) and the connection of the feed source (4) with the plastic film (1) (2) are not described in detail.

Claims

1. A low cost reflector characterized by: One piece of plastic film is wave-transparent material (1), the other is plastic film covered with metal film inside (2), with air filling and discharging nozzle (3) on it, which can be folded when stored, and inflated on site when used, and the side of the film (2) with metal film presents parabolic shape after inflation, and the feed (4) is located at the focal point of the plastic film (2).

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