CN204071608U - Piezoelectric type generating carpet - Google Patents

Abstract

The utility model discloses a piezoelectric power generation carpet, which comprises a pressure bearing plate arranged under the carpet, a power generation device for converting mechanical energy into electrical energy and a cooling system for collecting electrical energy are arranged between the pressure bearing plate and the carpet. A voltage boosting device, the edge of the carpet is provided with a positive terminal and a negative terminal, the output of the power generation device is connected to the input of the step-down and current-raising device, and the output of the step-down and current-raising device is connected to the positive terminal and the negative terminal respectively. Terminal connection; the power generating device includes a number of piezoelectric ceramic sheets with positive electrodes and negative electrodes evenly distributed on the lower end surface of the carpet, and all piezoelectric ceramic sheets are connected in parallel. The utility model utilizes the positive piezoelectric effect of the piezoelectric ceramic sheet to give the piezoelectric ceramic sheet a trampling pressure. During use, its piezoelectric characteristics are used to generate charges on the surface, and the charges are stored after being processed by a subsequent circuit or directly used. Power supply to realize the conversion of mechanical energy to electrical energy.

Description

Piezoelectric generating carpet

technical field

The utility model relates to a household decoration, in particular to a carpet.

Background technique

Carpet is a kind of decoration that is often used in the family to protect the ground and play a role of anti-skid and decoration. Because the carpet has a certain degree of elasticity, in the process of use, the technology of using carpet to generate electricity has appeared. At present, most of the technologies combined with carpet to generate electricity use magnetic power generation, which is equivalent to installing a small generator on the carpet. It is complex and costly, and the carpet is prone to deformation during use, which makes the user feel uncomfortable when stepping on it.

Contents of the invention

The technical problem to be solved by the utility model is to provide a carpet capable of generating electricity that is simple in structure, low in cost and easy to implement.

In order to solve the problems of the technologies described above, the technical solutions adopted by the utility model are as follows.

The piezoelectric generating carpet includes a pressure-bearing plate arranged under the carpet, and a power-generating device for converting mechanical energy into electrical energy and a voltage-reducing and current-raising device for collecting electrical energy are arranged between the pressure-bearing plate and the carpet. The edge of the carpet is provided with a positive terminal and a negative terminal, the output end of the power generation device is connected to the input end of the step-down and current-raising device, and the output end of the step-down and current-raising device is respectively connected to the positive terminal and the negative terminal; The device includes several piezoelectric ceramic sheets with positive electrodes and negative electrodes evenly distributed on the lower surface of the carpet, and all the piezoelectric ceramic sheets are connected in parallel.

The improvement of the utility model lies in that: a hard spring for buffering the force of the piezoelectric ceramic sheet is fixedly arranged between the piezoelectric ceramic sheet and the pressure bearing plate.

The improvement of the utility model lies in that: a balance backing plate is fixedly arranged between the piezoelectric ceramic sheet and the bottom surface of the carpet.

The improvement of the utility model lies in that a voltage stabilizing device is connected in series between the step-down and current-increasing device, the positive terminal and the negative terminal.

Due to the adoption of the above technical solutions, the technical progress achieved by the utility model is as follows.

The utility model has the advantages of simple structure, low cost and easy realization; it utilizes the positive piezoelectric effect of piezoelectric ceramics, combined with the energy that is wasted in daily life such as trampling, to give the piezoelectric ceramics a stamping pressure, and utilizes its Piezoelectric properties make it generate charges on the surface, and the charges are collected and stored after subsequent circuit processing or directly used for power supply to realize the conversion of mechanical energy into electrical energy and finally into other forms of energy. The utility model realizes power generation by stepping on it artificially, and can be used for the electricity demand of small-power electrical appliances.

Description of drawings

Fig. 1 is a circuit structure block diagram of the present utility model;

Fig. 2 is a schematic structural diagram of the power generating device of the present invention.

Among them: 1. Pressure bearing plate, 2. Power generation device, 21. Piezoelectric ceramic sheet, 22. Hard spring, 23. Balance pad, 3. Step-down and current-raising device, 4. Voltage stabilizing device, 5. Positive connection Post, 6. Negative terminal, 7. Carpet.

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

The piezoelectric power generation carpet includes a pressure bearing plate 1 , a power generation device 2 , a step-down and current raising device 3 , a voltage stabilizing device 4 , and a positive terminal 5 and a negative terminal 6 .

Wherein the bearing plate is arranged under the carpet 7 and can be placed on the floor.

The power generation device, the step-down and current-raising device and the voltage stabilizing device are arranged between the pressure bearing plate and the carpet, the output end of the power generation device is connected to the input end of the step-down and current-raising device, and the output end of the step-down and current-raising device is connected to the voltage stabilizing device. The input terminal and the output terminal of the voltage stabilizing device are respectively connected to the positive terminal and the negative terminal; the circuit structure is shown in Figure 1. The power generation device is used to convert mechanical energy into electrical energy; the step-down and current-raising device is used to collect electric energy and reduce the high voltage generated by the piezoelectric ceramic sheet to increase the current to meet the electricity demand of electrical equipment; the voltage stabilizing device is used to Output stable current and voltage to ensure stable power supply to the electrical device; the positive terminal and the negative terminal are set on the edge of the carpet for connecting the electrical device through wires.

The power generating device of the utility model includes a plurality of piezoelectric ceramic sheets 21 with positive electrodes and negative electrodes evenly distributed on the lower end surface of the carpet, and all the piezoelectric ceramic sheets are connected in parallel. A hard spring 22 is fixedly arranged between the piezoelectric ceramic sheet and the pressure bearing plate, which is used to buffer the piezoelectric ceramic sheet from stress, which can not only protect the piezoelectric ceramic sheet but also prevent the ceramic sheet from breaking due to large deformation. A balance backing plate 23 is fixedly arranged between the piezoelectric ceramic sheet and the bottom surface of the carpet, which is used to ensure that the piezoelectric ceramic sheet is evenly stressed and prevent the piezoelectric ceramic sheet from being damaged due to excessive force somewhere. The connection structure between the power generation device, the pressure bearing plate and the carpet, and the structure of the power generation device are shown in Figure 2.

The utility model directly converts mechanical energy into electric energy based on the piezoelectric effect of the piezoelectric material. After the piezoelectric ceramic sheet is stressed, charges are generated on the surface, and the charges are processed and collected by subsequent circuits for power supply. It is a comprehensive application based on energy conversion, collection, storage technology and equipment, and can be widely used in places with large traffic such as Pedestrian streets, shopping mall entrances, dance pools and other places collect vibration mechanical energy to supply power to electrical equipment, so as to realize energy recycling, and the energy conversion, collection and storage process will not produce any pollution, which is a very environmentally friendly energy source Recycling technology.

Claims (4)

1. Piezoelectric power generation carpet, characterized in that it includes a pressure bearing plate (1) arranged under the carpet (7), and there is a device between the pressure bearing plate (1) and the carpet (7) for converting mechanical energy into A power generation device (2) for electric energy and a step-down and current-raising device (3) for collecting electric energy. The edge of the carpet is provided with a positive terminal (5) and a negative terminal (6). The output of the power generation device (2) connected to the input end of the step-down and current-raising device (3), and the output ends of the step-down and current-raising device (3) are respectively connected to the positive pole terminal and the negative pole terminal; the power generation device (2) includes A plurality of piezoelectric ceramic sheets (21) with positive electrodes and negative electrodes, all piezoelectric ceramic sheets are connected in parallel. 2 . The piezoelectric generating carpet according to claim 1 , wherein a hard spring ( 22 ) is fixed between the piezoelectric ceramic sheet and the pressure bearing plate for buffering the piezoelectric ceramic sheet from stress. 3 . 3. The piezoelectric generating carpet according to claim 1, characterized in that: a balance pad (23) is fixedly arranged between the piezoelectric ceramic sheet and the bottom surface of the carpet. 4. The piezoelectric power generating carpet according to any one of claims 1 to 3, characterized in that: a voltage stabilizing device (4) is connected in series between the step-down and current-raising device and the positive terminal and the negative terminal .