CN111734292A - power generation screen - Google Patents

Abstract

A power generation window screen comprises a plurality of layers of screens, a converter and a capacitor, wherein each screen comprises an outer collecting layer, an outer power release layer, an inner power release layer and an inner collecting layer, the outer power release layer, the inner power release layer and the inner collecting layer are sequentially distributed from outside to inside, and the outer collecting layer, the inner collecting layer and the converter are electrically connected and the converter and the capacitor are electrically connected through a power generation circuit. The beneficial effects are as follows: the electric charge is generated by sound, vibration, people walking and flowing friction of opening and closing wind of the door, and is collected and stored, and the power generation function is realized through a multilayer structure of the window screen.

Description

power generation screen

technical field

The invention relates to the field of window screens, in particular to a power generation window screen.

Background technique

Window screen is one of the few materials with flexibility and certain stretchability in architecture. The charge transfer caused by the mutual sliding friction of warp and weft threads under the action of airflow, sound, building vibration, etc., is of practical significance for charging and storing energy, displaying light, and killing mosquitoes with high voltage.

At present, there are few devices and equipments that use screen windows to generate electricity, and photovoltaic power generation, wind power generation, solar thermal power generation and other methods are not suitable for window screen yarns with limited volume and space. The generation of triboelectric power generation technology has opened up ideas for window screen power generation. Scientifically speaking, friction electrification should be called contact electrification. It can generate electricity by making full use of the mechanical energy around you, such as sound, walking, water flow, and breeze. At present, there are four power generation modes, which are wind separation, sliding, single electrode and charged body induction.

How to realize triboelectric power generation of window screens is difficult. The contact area of the window screen is small, the effective triboelectric power is low, how to conduct the charge in time, and how to achieve the purpose of contact separation, these are the challenges faced by the triboelectric power generation window screen. It is necessary to solve the above problems through invention and innovation.

SUMMARY OF THE INVENTION

The purpose of the present invention is to design a power generation window screen in order to solve the above problems. The specific design scheme is:

A power generation window screen includes a multi-layer gauze, a converter, and a capacitor. The electric layer, the inner electric discharge layer, and the inner electric collection layer are distributed in order from the outside to the inside, and the electric connection between the outer electric collection layer, the inner electric collection layer and the converter, and between the converter and the capacitor pass through. The generating circuit is electrically connected.

The materials of the outer collector layer and the inner collector layer include copper fiber, stainless steel fiber, and carbon fiber.

The materials of the outer electric discharge layer and the inner electric discharge layer include polytetrafluoroethylene, polyethylene terephthalate, polydimethylsiloxane, and polyamide.

The inner current-discharging layer is sprayed on the surface of the inner current-collecting layer and hot-pressed.

The outer electricity-releasing layer is sprayed on the surface of the outer electricity-collecting layer and hot-pressed.

In the control circuit,

The outer collector layer is connected to the positive pin of diode D1 and the negative pin of diode D2;

The inner collector layer is connected to the positive pin of diode D3 and the negative pin of diode D4;

The negative pin of diode D1 and the negative pin of diode D3 are connected to pin 1 of resistor R3 and pin 6 of chip U1;

Pin 2 of chip U1 is connected to the other pin of resistor R3;

Pin 3 of chip U1 is connected to the negative pin of capacitor C2 and the negative pin of USB-9V power supply;

Pin 5 of chip U1 is connected to one pin of resistor R2;

Pin 8 of chip U1 is connected to one pin of resistor R1;

Pin 9 of chip U1 is connected to the positive pin of capacitor C1;

The other pin of the resistor R2 is connected to the positive pin of the capacitor C2 and the positive pin of the light-emitting diode D5;

The negative pin of the LED D5 is connected to the positive pin of the USB-9V power supply;

The positive pin of the diode D2, the positive pin of the diode D4, the other pin of the resistor R1, the negative pin of the capacitor C1, and the 10 pin of the chip U1 are connected to the reference ground;

The chip U1 is a constant current source driver chip whose model is HA22006P;

The diodes D1-D4 are preferably 1N4004.

The power generation window screen obtained by the above-mentioned technical scheme of the present invention has the beneficial effects that the electric charge of the product is rubbed by the flow of sound, vibration, people walking, and the opening and closing of the door, and the electric charge is collected and stored, and the power generation function is realized through the multi-layer structure of the window screen.

Description of drawings

Fig. 1 is the structural representation of the power generation window screen of the present invention;

Fig. 2 is the circuit principle diagram of the power generation circuit of the present invention;

In the figure, 1, converter; 2, capacitor; 3, outer collector layer; 4, outer discharge layer; 5, inner discharge layer; 6, inner collector layer.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings.

A power generation window screen, comprising a multi-layer gauze, a converter 1, and a capacitor 2. The gauze includes an outer collector layer 3, an outer discharge layer 4, an inner discharge layer 5, and an inner collector layer 6. The collector layer 3 , the outer layer 4 , the inner layer 5 , and the inner layer 6 are sequentially distributed from the outside to the inside. The outer collector layer 3 and the inner collector layer 6 are electrically connected to the converter 1 . In between, the converter 1 and the capacitor 2 are electrically connected through a power generating circuit.

The materials of the outer collector layer 3 and the inner collector layer 6 include copper fiber, stainless steel fiber, and carbon fiber.

The materials of the external discharge layer 4 and the internal discharge layer 5 include polytetrafluoroethylene, polyethylene terephthalate, polydimethylsiloxane, and polyamide.

The inner discharge layer 5 is sprayed on the surface of the inner collector layer 6 and hot-pressed.

The outer discharge layer 4 is sprayed on the surface of the outer current collector layer 3 and hot-pressed.

In the control circuit,

The outer collector layer is connected to the positive pin of diode D1 and the negative pin of diode D2;

The inner collector layer is connected to the positive pin of diode D3 and the negative pin of diode D4;

The negative pin of diode D1 and the negative pin of diode D3 are connected to pin 1 of resistor R3 and pin 6 of chip U1;

Pin 2 of chip U1 is connected to the other pin of resistor R3;

Pin 3 of chip U1 is connected to the negative pin of capacitor C2 and the negative pin of USB-9V power supply;

Pin 5 of chip U1 is connected to one pin of resistor R2;

Pin 8 of chip U1 is connected to one pin of resistor R1;

Pin 9 of chip U1 is connected to the positive pin of capacitor C1;

The other pin of the resistor R2 is connected to the positive pin of the capacitor C2 and the positive pin of the light-emitting diode D5;

The negative pin of the LED D5 is connected to the positive pin of the USB-9V power supply;

The positive pin of the diode D2, the positive pin of the diode D4, the other pin of the resistor R1, the negative pin of the capacitor C1, and the 10 pin of the chip U1 are connected to the reference ground;

The chip U1 is a constant current source driver chip whose model is HA22006P;

The diodes D1-D4 are preferably 1N4004.

The outer collector layer and the inner collector layer are respectively connected to the positive and negative terminals of the converter, and the converter converts the unstable alternating current into stable direct current and connects to the capacitor through the output terminal. The outer current collecting layer and the inner current collecting layer are composed of conductive gauze mesh as the current collecting electrode, which can be copper fiber, stainless steel fiber, carbon fiber mesh, etc. Fiber materials, which are two polymer pairs that are easy to obtain and volatile electrons, such as the outer and inner layers of electric discharge can be polytetrafluoroethylene and polyethylene terephthalate, respectively, or polyethylene terephthalate. Methyl siloxane and polyamide, etc.

When the outer collector layer and the inner collector layer are encapsulated, it is required to be separated by insulating materials and not in contact with each other, otherwise it will cause a short circuit; at the same time, the outer collector layer and the inner collector layer should be given different degrees of relaxation during the encapsulation process. , to ensure that under the action of airflow, vibration, etc., the inner and outer collector layers are in different swing amplitudes, thereby increasing the contact and friction opportunities of the inner and outer layers covering it, and improving the power generation efficiency.

Manufacturing steps:

Use metal wire or graphite wire to weave the outer collector layer gauze, and then spray-spin the outer charge release layer covered with PTFE nanofibers on the gauze, and heat-press to shape;

Use metal wire or graphite wire to weave the inner collector layer gauze, and then spray-spin the inner charge release layer of polyethylene terephthalate nanofibers on the gauze, and heat-press to shape;

The outer collector layer gauze covered with the spray-spun nanofibers and the inner collector layer gauze are relatively compounded in the order of the outer collector layer, the outer discharge layer, the inner discharge layer and the inner collector layer; and insulating hot melt adhesive is used. Packaged and cut according to different screen sizes.

Connect the above encapsulated screen to the small converter and capacitor.

After installation, when the door is opened, the wind blows, etc., the inner and outer window screens produce relative movement, and the two will generate friction, and the friction will be used to generate electricity to generate electricity.

The above technical solutions only represent the preferred technical solutions of the technical solutions of the present invention, and some changes that those skilled in the art may make to some parts of them all reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims (6)

1. The power generation window screen comprises a plurality of layers of screens, a converter (1) and a capacitor (2), and is characterized in that each screen comprises an outer collecting layer (3), an outer power releasing layer (4), an inner power releasing layer (5) and an inner collecting layer (6), the outer collecting layer (3), the outer power releasing layer (4), the inner power releasing layer (5) and the inner collecting layer (6) are sequentially distributed from outside to inside, and the outer collecting layer (3), the inner collecting layer (6) and the converter (1) are electrically connected with each other, and the converter (1) and the capacitor (2) are electrically connected with each other through a power generation circuit.

2. The power generating window screen according to claim 1, wherein the materials of the outer and inner current collecting layers (3, 6) include copper fibers, stainless steel fibers, and carbon fibers.

3. The power generating window screen according to claim 1, wherein the materials of the outer and inner releasing layers (4, 5) comprise polytetrafluoroethylene and polyethylene terephthalate, polydimethylsiloxane, and polyamide.

4. The power generating window screen of claim 1, wherein the inner releasing layer (5) is sprayed on the surface of the inner current collecting layer (6) and is shaped by hot pressing.

5. The power generating window screen according to claim 1, wherein the outer electricity releasing layer (4) is sprayed on the surface of the outer current collecting layer (3) and is heat press-molded.

6. The power generating window screen of claim 1, wherein, in the control circuit,

the outer collecting layer is connected with the anode pin of the diode D1 and the cathode pin of the diode D2;

the inner collecting layer is connected with the anode pin of the diode D3 and the cathode pin of the diode D4;

the negative pin of the diode D1, the negative pin of the diode D3 are connected with one pin of the resistor R3 and the 6 pins of the chip U1;

the pin 2 of the chip U1 is connected with the other pin of the resistor R3;

the 3 pins of the chip U1 are connected with the negative pin of the capacitor C2 and the negative pin of the USB-9V power supply;

a pin 5 of the chip U1 is connected with one pin of the resistor R2;

the pin 8 of the chip U1 is connected with one pin of a resistor R1;

the pin 9 of the chip U1 is connected with the positive pole pin of the capacitor C1;

the other pin of the resistor R2 is connected with the anode pin of the capacitor C2 and the anode pin of the light-emitting diode D5;

the negative pole pin of the light-emitting diode D5 is connected with the positive pole pin of the USB-9V power supply;

the positive pin of the diode D2, the positive pin of the diode D4, the other pin of the resistor R1, the negative pin of the capacitor C1 and the 10 pins of the chip U1 are connected with the ground reference.

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