CN105896749B - Microwave electric energy conversion device - Google Patents

Abstract

The invention discloses a microwave power conversion device, comprising a box body, a broadband antenna, a working indicator light, a switch button, a display screen, a circuit board, a battery and an external socket, wherein the broadband antenna is installed on the top of the box body, and the side of the box body is installed A working indicator light, a switch button, a display screen and an external socket are arranged on the wall, a battery is installed inside the box body, and a control circuit is installed on the inner bottom plate of the box body through a circuit board. The invention has simple structure, convenient operation, high microwave power conversion efficiency, and can maintain high conversion efficiency even in places with small microwave density distribution, thereby ensuring the normal operation of the micro-power device.

Description

A microwave power conversion device

technical field

The invention belongs to the technical field of energy conversion devices, in particular to a microwave electric energy conversion device.

Background technique

With the rapid development of economy and society and the increasing improvement of people's living standards, people have put forward higher requirements for the quality of life. The result is the accelerated consumption of resources, and the natural resources are increasingly exhausted. It is more and more important to find and discover new energy sources or available energy sources. Batteries are needed for micro-devices, sensor nodes and wireless network nodes. However, with the accumulation of time, the battery power is used up, and the replacement of the battery is expensive, time-consuming and labor-intensive. The electrical energy used by the device will bring great benefits to our life.

SUMMARY OF THE INVENTION

The technical problem solved by the present invention is to provide a microwave electric energy conversion device capable of converting microwaves in the atmosphere into electric energy.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a microwave power conversion device, which is characterized by comprising a box body, a broadband antenna, a working indicator light, a switch button, a display screen, a circuit board, a battery and an external socket, wherein the broadband antenna It is installed on the top of the box. The side wall of the box is provided with working indicator lights, switch buttons, display screens and external sockets. The battery is installed inside the box, and the control circuit is installed on the inner bottom of the box through the circuit board.

Further preferably, the broadband antenna includes n cascaded antenna arrays, each cascaded antenna array is composed of 4 antennas, 4 rectifier tubes, 2 capacitors and a battery, and the inverting end of the rectifier tube D00 is connected to the antenna a, The non-inverting end of the rectifier tube D00 is connected to one end of the capacitor C00, the antenna c and the inverting end of the rectifier tube D02 respectively, the non-phase end of the rectifier tube D01 is connected to the antenna b, and the inverting end of the rectifier tube D01 is respectively connected to the other end of the capacitor C00 , the positive-phase end of the antenna d and the rectifier tube D03, the positive-phase end of the rectifier tube D02 is respectively connected to one end of the capacitor C01 and the negative pole of the battery, and the inverting end of the rectifier tube D03 is respectively connected to the other end of the capacitor C01 and the positive pole of the battery.

Further preferably, the control circuit includes a matching circuit unit, a rectifying unit and a circuit adding unit, wherein the matching circuit unit is composed of n impedance matching circuits, and each impedance matching circuit includes an antenna impedance Z, an adjustable capacitor VC, and a capacitor. C1, capacitor C2, inductor L1 and inductor L2, one end of the adjustable capacitor VC is connected to one end of the inductor L1 and one end of the antenna impedance Z respectively, the other end of the adjustable capacitor VC is connected to one end of the capacitor C1 through the broadband antenna feed point M, The other end of the capacitor C1 is connected to one end of the capacitor C2 and one end of the inductor L2 respectively, the other end of the capacitor C2, the other end of the inductor L1 and the other end of the antenna impedance Z are grounded respectively, and the other end of the inductor L2 is connected to the capacitor C3 in the rectifier unit. The rectifier unit is composed of n rectifier circuits, each rectifier circuit includes capacitor C3, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8, inductor L3, rectifier tube D1, rectifier tube D2, rectifier tube D3 and rectifier D4, the other end of capacitor C3 is respectively connected to one end of inductor L3, one end of capacitor C4 and one end of capacitor C5, the other end of capacitor C4 is respectively connected to the positive phase end of rectifier tube D1, the other end of inductor L3 and One end of the capacitor C6 is connected, the inverting end of the rectifier D1 is respectively connected with the other end of the capacitor C5, the non-inverting end of the rectifier D2 and one end of the capacitor C7, and the inverting end of the rectifier D2 is respectively connected with the other end of the capacitor C6, One end of the capacitor C8 is connected to the non-inverting end of the rectifier tube D3, the inverting end of the rectifier tube D3 is respectively connected to the other end of the capacitor C7 and the non-inverting end of the rectifier tube D4, and the inverting end of the rectifier tube D4 is respectively connected to the other end of the capacitor C8. One end is connected to the resistor R in the circuit addition unit; the circuit addition unit includes an adder U1, a resistor R1 and n resistors R, and the other end of the resistor R is connected to one end of the resistor R1 and the 2 pin of the adder U1, and the resistor R1 The other end is connected to pin 6 of the adder U1, pin 3 of the adder U1 is grounded, pin 4 of the adder U1 is connected to the positive pole of the 3V power supply, and pin 7 of the adder U1 is connected to the negative pole of the 3V power supply.

Further limited, the model of the adder U1 is Ad8009AN, and the model of the adjustable capacitor VC is TZ03Z070F169B00.

The invention has simple structure and convenient operation, only needs to connect the circuit correctly to realize energy conversion, and the microwave power conversion efficiency is high, and the high conversion efficiency can also be maintained in the place where the microwave density distribution is small, so as to ensure the normal operation of the micro-power device. run.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the circuit connection diagram of the broadband antenna in the present invention;

Fig. 3 is the working principle diagram of the present invention;

Figure 4 is a circuit connection diagram of the present invention.

In the picture: 1. Box body, 2. Broadband antenna, 3. Working indicator light, 4. Switch button, 5. Display screen, 6. Circuit board, 7. Battery, 8. External socket.

Detailed ways

The specific content of the present invention will be described in detail with reference to the accompanying drawings. A microwave power conversion device includes a box body 1, a broadband antenna 2, a working indicator light 3, a switch button 4, a display screen 5, a circuit board 6, a battery 7 and an external socket 8, wherein the broadband antenna 2 is installed on the box body 1. At the top, the side wall of the box 1 is provided with a working indicator 3, a switch button 4, a display screen 5 and an external socket 8, a battery 7 is installed inside the box 1, and a circuit board is installed on the inner bottom plate of the box 1. Control circuit.

The broadband antenna includes n cascaded antenna arrays, each cascaded antenna array is composed of 4 antennas, 4 rectifier tubes, 2 capacitors and a battery, the inverting end of the rectifier tube D00 is connected to the antenna a, and the finishing tube D00 The non-inverting end of the rectifier tube D01 is respectively connected to one end of the capacitor C00, the antenna c and the inverting end of the rectifier tube D02, the non-phase end of the rectifier tube D01 is connected to the antenna b, and the inverting end of the rectifier tube D01 is respectively connected to the other end of the capacitor C00 and the antenna d. and the positive phase terminal of the rectifier tube D03, the positive phase terminal of the rectifier tube D02 is respectively connected to one end of the capacitor C01 and the negative pole of the battery, and the reverse phase terminal of the rectifier tube D03 is respectively connected to the other end of the capacitor C01 and the positive pole of the battery.

The control circuit includes a matching circuit unit, a rectifying unit and a circuit adding unit, wherein the matching circuit unit is composed of n impedance matching circuits, and each impedance matching circuit includes an antenna impedance Z, an adjustable capacitor VC, a capacitor C1, and a capacitor. C2, inductor L1 and inductor L2, one end of the adjustable capacitor VC is connected to one end of the inductor L1 and one end of the antenna impedance Z respectively, the other end of the adjustable capacitor VC is connected to one end of the capacitor C1 through the broadband antenna feed point M, and the other end of the capacitor C1 is connected to one end of the capacitor C1. The other end is connected to one end of the capacitor C2 and one end of the inductor L2 respectively, the other end of the capacitor C2, the other end of the inductor L1 and the other end of the antenna impedance Z are grounded respectively, and the other end of the inductor L2 is connected to one end of the capacitor C3 in the rectifier unit. The rectifier unit is composed of n rectifier circuits, each rectifier circuit includes capacitor C3, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8, inductor L3, rectifier D1, rectifier D2, rectifier D3 and rectifier Tube D4, the other end of capacitor C3 is respectively connected to one end of inductor L3, one end of capacitor C4 and one end of capacitor C5, and the other end of capacitor C4 is respectively connected to the positive phase end of rectifier tube D1, the other end of inductor L3 and the other end of capacitor C6. One end is connected, the inverting end of the rectifier tube D1 is respectively connected with the other end of the capacitor C5, the non-phase end of the rectifier tube D2 and one end of the capacitor C7, the inverting end of the rectifier tube D2 is respectively connected with the other end of the capacitor C6 and the other end of the capacitor C8. One end is connected with the non-inverting end of the rectifier tube D3, the inverting end of the rectifier tube D3 is respectively connected with the other end of the capacitor C7 and the non-inverting end of the rectifier tube D4, and the inverting end of the rectifier tube D4 is respectively connected with the other end of the capacitor C8 and the circuit The resistor R in the addition unit is connected; the circuit addition unit includes an adder U1, a resistor R1 and n resistors R, the other end of the resistor R is connected to one end of the resistor R1 and the 2 pin of the adder U1, and the other end of the resistor R1 is connected Connect to pin 6 of adder U1, pin 3 of adder U1 is grounded, pin 4 of adder U1 is connected to the positive pole of the 3V power supply, and pin 7 of the adder U1 is connected to the negative pole of the 3V power supply.

The model of the adder U1 is Ad8009AN, and the model of the adjustable capacitor VC is TZ03Z070F169B00.

During the use of the present invention, the broadband antenna absorbs the guided microwaves in the atmosphere and converts them into high-frequency currents suitable for conduction in the wires. The high-frequency currents pass through the impedance matching circuit to achieve the maximum effect of output power. The rectifier circuit becomes direct current, and the current adding unit adds and accumulates the direct current of each branch, so that the output electric energy can meet the energy requirements of the normal operation of the micropower device.

The specific operation process of the invention is as follows: firstly, the switch button is turned on, and the circuit starts to work. For each branch, the cascaded antenna array absorbs microwaves in a certain frequency band, converts them into high-frequency currents, and adjusts the capacitors through the function of the cascading antenna array. , so that the high-frequency current efficiency of its output conversion reaches the highest, that is, under the action of the impedance matching circuit, the output current is the largest, the high-frequency current flows into the rectifier circuit, and under the action of the ultra-low power rectifier tube, a stable DC current is output ; Each circuit works in this way, the superposition of n circuits makes the power output by the adder high enough to meet the working requirements of micropower devices.

The basic principles, main features and advantages of the present invention have been shown and described above. Without departing from the spirit and scope of the present invention, the present invention has various changes and improvements, which all fall into the claimed invention. range.

Claims (2)

1. A microwave electric energy conversion device is characterized by comprising a box body, a broadband antenna, a work indicator lamp, a switch button, a display screen, a circuit board, a storage battery and an external socket, wherein the broadband antenna is arranged at the top of the box body; the broadband antenna comprises n cascaded antenna arrays, each cascaded antenna array comprises 4 antennas, 4 rectifying tubes, 2 capacitors and a storage battery, the reverse phase end of each rectifying tube D00 is connected with an antenna a, the positive phase end of each rectifying tube D00 is respectively connected with one end of a capacitor C00, an antenna C and the reverse phase end of a rectifying tube D02, the positive phase end of each rectifying tube D01 is connected with an antenna b, the reverse phase end of each rectifying tube D01 is respectively connected with the other end of a capacitor C00, the antenna D and the positive phase end of the rectifying tube D03, the positive phase end of each rectifying tube D02 is respectively connected with one end of a capacitor C01 and the negative electrode of the storage battery, and the reverse phase end of each rectifying tube D03 is respectively connected with the other end of a capacitor C01 and the positive electrode of the storage; the control circuit comprises a matching circuit unit, a rectifying unit and a circuit adding unit, wherein the matching circuit unit consists of n impedance matching circuits, each impedance matching circuit comprises an antenna impedance Z, an adjustable capacitor VC, a capacitor C1, a capacitor C2, an inductor L1 and an inductor L2, one end of the adjustable capacitor VC is connected with one end of the inductor L1 and one end of the antenna impedance Z respectively, the other end of the adjustable capacitor VC is connected with one end of the capacitor C1 through a broadband antenna feed point M, the other end of the capacitor C1 is connected with one end of the capacitor C2 and one end of the inductor L2 respectively, the other end of the capacitor C2, the other end of the inductor L1 and the other end of the antenna impedance Z are grounded respectively, and the other end of the inductor L2 is connected with one end of the capacitor C3 in the rectifying unit; the rectifying unit consists of n rectifying circuits, each rectifying circuit comprises a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8 and an inductor L3, a rectifier tube D1, a rectifier tube D2, a rectifier tube D3 and a rectifier tube D4, wherein the other end of a capacitor C3 is connected with one end of an inductor L3, one end of a capacitor C4 and one end of a capacitor C5 respectively, the other end of a capacitor C4 is connected with the positive phase end of the rectifier tube D1, the other end of the inductor L3 and one end of a capacitor C6 respectively, the inverting end of a rectifier tube D1 is connected with the other end of a capacitor C5, the positive phase end of a rectifier tube D2 and one end of a capacitor C7 respectively, the inverting end of a rectifier tube D2 is connected with the other end of a capacitor C6, one end of a capacitor C8 and the positive phase end of a rectifier tube D3 respectively, the inverting end of a rectifier tube D3 is connected with the other end of a capacitor C7 and the positive phase end of a rectifier tube D4 respectively, and the inverting end of a rectifier tube D4 is connected with the other end of a capacitor C8; the circuit adding unit comprises an adder U1, a resistor R1 and n resistors R, wherein the other ends of the resistors R are connected with one end of a resistor R1 and a pin 2 of the adder U1, the other end of the resistor R1 is connected with a pin 6 of the adder U1, a pin 3 of the adder U1 is grounded, a pin 4 of the adder U1 is connected with the positive pole of a 3V power supply, and a pin 7 of the adder U1 is connected with the negative pole of the 3V power supply.

2. A microwave power conversion device in accordance with claim 1, wherein: the adder U1 is Ad8009AN, and the adjustable capacitor VC is TZ03Z070F169B 00.

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