CN205406718U - Solar energy antenna based on ITO film - Google Patents

Abstract

The utility model discloses a solar antenna based on an ITO film, which comprises a radiation patch, a short circuit board, a copper sheet, a feeder, a FR-4 feeder medium plate, a silver wire layer, a polysilicon layer, and an aluminum grounding layer. The radiation patch consists of Composed of transparent conductive materials made of ITO film, the radiation patch is fixedly connected to the short circuit board, the short circuit plate is connected to the silver wire layer through the copper sheet, the feeder is connected to the radiation patch, and is set on the FR‑4 feeder dielectric board, and the silver wire layer , a polysilicon layer, and an aluminum grounding layer are arranged sequentially from top to bottom. The patch antenna of the utility model adopts ITO transparent material, which can effectively reduce the optical shielding of the antenna to the battery board and improve the overall efficiency of the photovoltaic antenna; a microwave generator is used to convert the DC signal into a microwave signal; in order to reduce the performance of the DC bus on the antenna If it is affected, a DC/RF decoupling circuit is used to eliminate the influence of impedance matching performance.

Description

A solar antenna based on ITO film

technical field

The utility model relates to a photovoltaic antenna device, which belongs to the technical field of solar cells and antennas.

Background technique

Photovoltaic solar energy is an inexhaustible and non-polluting green energy source. The antenna is an essential signal transmitting and receiving device in all wireless communication systems. Its performance and appearance structure are important to the entire communication system. Impact. It is an economical and effective means to use solar cells to power the antenna, and it is also an economical and effective means to use photovoltaic solar energy. However, most of the current solar power supply systems and communication systems are independent structures and simply combined, and the overall integration level is not high, which is not conducive to the requirements of miniaturization, portability and low cost of the system.

As prior art relevant to the present utility model, for example in ShynuS.V, MariaJ.RooOns, MaxJ.Ammann, Sarah McCormack and Brian Norton, "A maple plate solar antenna for UMTS pico-cell base station" article, proposed The integrated structure of the antenna and solar energy, but the patch antenna uses opaque copper, which reduces the light absorption rate of the solar cell, thereby reducing the overall performance.

Most of the current solar power supply systems and communication systems are independent structures and simple combinations. The overall integration level is not high, which is not conducive to the requirements of miniaturization, portability and low cost of the system; Copper reduces the light absorption rate of the solar cell, thereby reducing the overall performance, and no specific implementation method for forming a resonant circuit as a whole is given.

Utility model content

Aiming at the above-mentioned problems existing in the solar antenna in the prior art, the utility model provides a solar antenna based on an ITO thin film.

The technical scheme of the utility model is as follows:

A solar antenna based on ITO film, comprising radiation patch, short circuit board, copper sheet, feeder, FR-4 feeder dielectric plate, silver wire layer, polysilicon layer, aluminum grounding plate layer, said radiation patch is made of ITO film Composed of transparent conductive materials, the radiation patch is fixedly connected to the short-circuit board, the short-circuit plate is connected to the silver wire layer through the copper sheet, the feeder is connected to the radiation patch, and is arranged on the FR-4 feeder dielectric board, and the silver wire layer, polysilicon layer, and aluminum grounding layer are arranged sequentially from top to bottom.

As a further improvement of the utility model, the solar antenna also includes a DC/RF decoupling circuit and a microwave generator, the feeder is connected to the DC/RF decoupling circuit by a wire, and the decoupling circuit is connected to the microwave generator by a wire, The microwave generator is composed of a crystal oscillator and a frequency multiplier, and the microwave generator is connected to the ground plate by wires to form a loop.

As a further improvement of the utility model, the solar energy and the antenna are integrated, and the transparent ITO material is used as a radiation patch, and a microwave generator is used to convert the DC signal into a microwave signal, and a DC/RF decoupling circuit is used to eliminate the impedance matching performance Impact.

The beneficial effects of the utility model are as follows:

1. The patch antenna is made of ITO transparent material, which can effectively reduce the optical shielding of the solar panel by the antenna and improve the overall efficiency of the photovoltaic antenna.

2. A microwave generator is used to convert the DC signal into a microwave signal. In order to reduce the impact of the DC bus on the performance of the antenna, a DC/RF decoupling circuit is used to eliminate the impact of the impedance matching performance.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of solar antenna based on ITO thin film of the present utility model;

Fig. 2 is the structural representation that the utility model is connected in the circuit loop;

Fig. 3 is the structure diagram of radiation patch, short-circuit plate, copper sheet, feeder, and feeder dielectric board in the utility model;

Fig. 4 is the block diagram of microwave generator in the utility model;

Fig. 5 is the _S11 figure of antenna;

Fig. 6 is the directivity diagram of the E plane of the antenna;

Fig. 7 is an H-plane directivity diagram of the antenna.

In the figure: 1. radiation patch; 2. short circuit board; 3. copper sheet; 4. feeder; 5. FR-4 feeder dielectric board; 6. silver wire layer; 7. polysilicon layer;

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Fig. 1, Fig. 2, Fig. 3, a kind of solar antenna based on ITO thin film of the present invention comprises radiation patch 1, short circuit board 2, copper sheet 3, feeder 4, FR-4 feeder dielectric board 5, silver wire layer 6, polysilicon layer 7, aluminum grounding board layer 8. The radiation patch 1 is composed of a transparent conductive material made of ITO film, the radiation patch 1 is fixedly connected to the short circuit board 2, the short circuit board 2 is connected to the feeder 4 through the copper sheet 3, the feeder 4 is connected to the radiation patch 1, and set On the FR-4 feeder dielectric board 5, a silver wire layer 6, a polysilicon layer 7, and an aluminum grounding layer 8 are sequentially arranged from top to bottom. As shown in Figure 4, the feeder 4 is connected to the DC/RF decoupling circuit by wires to reduce the impact of the DC bus on the performance of the antenna. The decoupling circuit is then connected to the microwave generator by wires. The microwave generator consists of a crystal oscillator and a frequency multiplier Composition, it can convert the DC signal into a microwave signal, and then connect the microwave generator to the ground plate by a wire to form a loop to supply power to the antenna.

The preferred simulation embodiment of the utility model is as follows:

The solar cell consists of three layers: from top to bottom: 0.02mm thick silver busbar, as the electrode of the solar cell; 0.2mm thick polysilicon panel; 0.04mm aluminum conductive layer, as the electrode of the solar cell. The entirety of the solar cell serves as the ground plane for the antenna. The radiation patch of the antenna is made of optically transparent conductive material ITO, which can effectively reduce the optical shielding of the battery panel by the antenna. The radiation patch is 50mm long, 20mm wide, and 0.2mm thick. The radiation patch is supported by a short circuit board, 10mm away from the ground plane, and air is used as the medium of the antenna. The dielectric plate of the feeder is made of FR-4 material with a width of 10mm, and the feeder is made of copper with a width of 3mm to form a 50Ω feeder strip line. The gain of the antenna is 7.597dB.

Figure 5, Figure 6, and Figure 7 are diagrams drawn according to the simulation results, Figure 5 is the S ₁₁ diagram of the antenna, Figure 6 is the E-plane directivity diagram of the antenna, and Figure 7 is the H-plane directivity diagram of the antenna.

To sum up, the utility model integrates the antenna and the solar cell, and uses transparent ITO material as the radiation patch, which can effectively reduce the optical shielding of the solar panel by the antenna and improve the overall efficiency of the photovoltaic antenna. The overall implementation and simulation results of the photovoltaic antenna are given. In the overall structure, a microwave generator is used to convert the DC signal into a microwave signal. In order to reduce the impact of the DC bus on the performance of the antenna, a DC/RF decoupling circuit is used to eliminate the impact of the impedance matching performance.

In summary, the above are some embodiments of the present invention, but the present invention is not limited thereto. According to the inventive spirit, features and patterns of the present utility model, any slight changes to the integrated structure of the solar cell and the antenna should be within the scope of protection of the present utility model.

Claims (3)

1. a solar energy antenna based on ito thin film, it is characterised in that: include radiation patch (1), short board (2), copper sheet (3), feeder line (4), FR-4 feeder line dielectric-slab (5), silver wire layer (6), polysilicon layer (7), aluminium ground panel (8), The transparent conductive material that described radiation patch (1) is made up of ito thin film forms, and radiation patch (1) is solid with short board (2) Fixed connection, short board (2) is connected to silver wire layer (6), described feeder line (4) and radiation patch (1) phase by copper sheet (3) Connect, and be arranged on FR-4 feeder line dielectric-slab (5), described silver wire layer (6), polysilicon layer (7), aluminium ground panel (8) Set gradually from top to bottom.

A kind of solar energy antenna based on ito thin film the most according to claim 1, it is characterised in that: also include that DC/RF goes Coupling circuit, microwave generator, described feeder line (4) is connected to DC/RF decoupling circuit by wire, and decoupling circuit is again by wire even Receiving microwave generator, microwave generator is made up of crystal oscillator and frequency multiplier, and microwave generator is connected to earth plate by wire, is formed Loop.

A kind of solar energy antenna based on ito thin film the most according to claim 1 and 2, it is characterised in that: by solar energy with Antenna integrated integrated, use transparent ITO material to do radiation patch, and use microwave generator, direct current signal is converted into micro- Ripple signal, uses DC/RF decoupling circuit to eliminate the impact of impedance matching performance.