A staircase power generation device used in teaching buildings

Abstract

The present invention discloses a staircase power generation device for use in teaching buildings, relating to the fields of new energy, energy conservation, and environmental protection. The device comprises a movable plate, an elastic body, a shell, a micro-piezoelectric crystal, a crystal wire connection plate, a staircase housing, wires, a battery, a controller, a sensor, and a light bulb. In the power generation device, the movable plate, elastic body, shell, micro-piezoelectric crystal, and crystal wire connection plate of each step on each staircase are connected in sequence from high to low, with the central axes collinear. The lower portion of each micro-piezoelectric crystal is connected to the crystal wire connection plate, which is connected to the battery at the bottom of each device via a wire. The battery on each layer is connected to the light bulb via a sensor. The controller of the entire teaching building is connected to the movable plate of each step and the sensors on each staircase via a wire. The present invention is intermittently controlled according to the class schedule, converting the potential energy of a person stepping on the stairs into electrical energy, thereby realizing energy storage and utilization and reducing lighting energy consumption.

Description

Technical Field

[0001] The present invention relates to the field of new energy and energy conservation and environmental protection, and in particular to a novel staircase structure that utilizes the gravitational potential energy of the human body to generate electricity. Background Art

[0002] China is currently facing an energy shortage. While conserving energy, researching new power generation methods is equally crucial. Various forms of energy are underutilized in our daily lives. In some cases, simple power generation devices can achieve energy savings, reducing electricity bills in homes and public spaces and minimizing the need to draw power from the public grid. Furthermore, these new power generation methods are environmentally friendly and therefore warrant significant promotion. School hours are easily controlled, and during breaks, the number of people ascending and descending the stairs in school buildings is high, making the energy harvesting process crucial. Summary of the Invention

[0003] The purpose of the present invention is to address the deficiencies of the existing technology and propose a staircase power generation device for use in teaching buildings. The device has a simple structure, is safe and convenient, is green and environmentally friendly, has a high energy utilization rate, and has good social benefits and promotion and application value.

[0004] The technical solution adopted by the present invention is: a staircase power generation device for use in a teaching building, mainly comprising: a movable plate 1, an elastic body 2, a housing 3, a micro-piezoelectric crystal 4, a crystal wire connection plate 5, a step housing 6, wires A7, B8, C9, D10, and E11, a battery 12, a controller 13, a sensor 14, and a light bulb 15. The movable plate 1 for each step of the stairs is arranged horizontally on the stair surface. The elastic body 2 is mounted directly below the movable plate 1 of each step. The housing 3 is mounted directly below the elastic body 2 of each step. The micro-piezoelectric crystal 4 is mounted directly below the housing 3 of each step. The crystal wire connection plate 5 is mounted directly below the micro-piezoelectric crystal 4 of each step. The movable plate 1, elastic body 2, shell 3, micro-pressure crystal 4, and crystal wire connection plate 5 are connected in sequence from high to low, with the central axes collinear. The lower part of each micro-pressure crystal 4 on each step is connected to the crystal wire connection plate 5, and a seamless connection is achieved through the step shells 6 on the left and right sides. The crystal wire connection plate 5 is connected to the battery 12 at the bottom of each floor of the stairs via wire A7. The battery 12 is connected to the sensor 14 installed on each floor of the stairs via wire D10. The sensor 14 is then connected to the light bulb 15 in the corridor of each floor via wire E11. The controller 13 of the entire teaching building is connected to the movable plate 1 on each step of each staircase via wire B8, and is connected to the sensor 14 installed on each floor of the stairs via wire C9.

[0005] In the staircase power generation device used in the teaching building, the elevation angle and depression angle of the elastic body 2 of each step in each floor of the stairs relative to the horizontal plane are 10°.

[0006] In the staircase power generation device used in a teaching building, the maximum load-bearing capacity of the elastic body 2 of each step in each floor of the stairs is 200 kg.

[0007] In the staircase power generation device used in the teaching building, the micro-piezoelectric crystal 4 of each step in each floor of the stairs is made of piezoelectric ceramic material.

[0008] In the staircase power generation device used in the teaching building, the movable plate 1 on each step of each staircase is controlled by the controller 13. When students are not taking breaks, the movable plate 1 is in the open state. The movable plate 1 serves as a support, and the power generation device does not generate electricity or store energy. The movable plate 1 on each step of each staircase is controlled by the controller 13. When students are taking breaks, the movable plate 1 is in the closed state. The micro-piezoelectric crystal 4 converts the potential energy of the human body when stepping on the stairs into electrical energy, and stores it in the battery 12 through the wire A7.

[0009] The staircase power generation device used in the teaching building can be controlled by the controller 13 according to the class schedule, achieving intermittent energy storage according to the class schedule. That is, power generation and energy storage are only performed during student breaks. During classes, after school, and during winter and summer vacations, due to the low energy density and low value of energy collection, power generation and energy storage are not performed. If the class schedule changes, the control program of the controller 13 can be adjusted in a timely manner to accurately and efficiently complete power generation and energy storage.

[0010] In the staircase power generation device used in the teaching building, the movable plate 1 on each step of each staircase is controlled by the controller 13. When the total number of students in each class on this floor is less than 60, the energy density is low and the value of collecting energy is small. The movable plate 1 is continuously in the on state and does not generate or store energy.

[0011] The staircase power generation device used in the teaching building is equipped with a light bulb 15 for lighting on each floor. The controller 13 controls the sensor 14 and its rear circuit set on each staircase through the wire C9. When the movable plate 1 of each step (excluding the last step) on each staircase begins to bear the pressure of people stepping on it, the rear circuit of the sensor 14 on this floor is connected. If the passing person continues to step on the next step within a certain delay time, the rear circuit of the sensor 14 on this floor remains connected. If the passing person continues to stay on the current step within a certain delay time, the rear circuit of the sensor 14 on this floor is disconnected. After the circuit is disconnected, if the person continues to step on any other step on this floor, the rear circuit of the sensor 14 on this floor is restored. The delay time is 7s. When the moving platform 1 at the last step of each staircase begins to bear the pressure of a person stepping on it, the rear circuit of the sensor 14 on that floor is connected. If a person continues to step on the first step of the next staircase within a certain delay time, the rear circuit of the sensor 14 on that floor is disconnected, and the rear circuit of the sensor 14 on the next floor is connected. If a person continues to stay in the corridor between the current and next floors within a certain delay time, the rear circuit of the sensor 14 on that floor is disconnected. After the circuit is disconnected, if the person continues to step on any step on the current or next floor, the rear circuit of the sensor 14 on the corresponding floor is restored. The delay time is 30 seconds. This ensures that the rear lighting circuit of the sensor 14 is connected when a person walks between the steps of each staircase; if a person stays for a long time on a step of each staircase or in the corridor between the stairs, the rear lighting circuit of the sensor 14 is disconnected.

[0012] The staircase power generation device used in the teaching building is provided with a light-sensitive sensor 14 on each staircase. When the indoor brightness is high, the sensor 14 is in the off state regardless of whether the stairs are subjected to trampling. At this time, the lighting circuit is disconnected and the bulb 15 does not illuminate. Only when the indoor brightness is low, the sensor 14 is in the on state. If someone passes by a certain staircase, the movable plate 1 of each step of the staircase is subjected to trampling. Under the control of the controller 13, the rear circuit of the sensor 14 is connected. At this time, the entire lighting circuit of the battery 12 and the bulb 15 on this floor is connected. The battery 12 uses the stored energy to power the bulb 15. The controller 13 and the light-sensitive sensor 14 are used to control the lighting of the bulb 15 using a double AND gate, thereby reducing lighting energy consumption.

[0013] The significant beneficial effects of the present invention are:

[0014] The device converts the potential energy generated by a person stepping on stairs into electrical energy through a micro-piezoelectric crystal and stores it in a battery, thus realizing energy storage and utilization; the controller controls the start and stop of the power generation device, so that the power generation device can run intermittently according to the class schedule, reducing operating energy consumption and improving energy storage efficiency; the controller and light-sensitive sensor are used to complete dual control of the battery and light bulb connection circuit, which can accurately realize that the light bulb is turned on only when lighting is needed and when people pass by, providing convenience for people going up and down the stairs while minimizing lighting energy consumption; the overall design structure is simple, easy to maintain, safe, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional view of a staircase power generation device used in a teaching building according to the present invention.

[0016] Figure 2 This is a cross-sectional view of an elastic body in a staircase power generation device used in a teaching building according to the present invention. DETAILED DESCRIPTION

[0017] The implementation of the present invention is further described in detail below with reference to the accompanying drawings.

[0018] The figures are marked as follows: moving plate 1, elastomer 2, shell 3, micro-pressed crystal 4, crystal wire connection plate 5, step shell 6, wire A7, wire B8, wire C9, wire D10, wire E11, battery 12, controller 13, sensor 14 and light bulb 15.

[0019] As a preferred embodiment of the present invention, the device structure is as shown in the attached Figure 1 As shown, the movable plate 1 of each step in each layer of the stairs is horizontally arranged on the stair surface, an elastic body 2 is installed directly below the movable plate 1 of each step, a shell 3 is installed directly below the elastic body 2 of each step, a micro-pressure crystal 4 is installed directly below the shell 3 of each step, and a crystal wire connection plate 5 is installed directly below the micro-pressure crystal 4 of each step. The movable plate 1, the elastic body 2, the shell 3, the micro-pressure crystal 4, and the crystal wire connection plate 5 are connected in sequence from high to low, and the central axes are collinear. Under each micro-pressure crystal 4 in each step, there is a The parts are connected to the crystal wire connection plate 5 and are seamlessly connected through the left and right side step shells 6. The crystal wire connection plate 5 is connected to the battery 12 at the bottom of each stair through the wire A7. The battery 12 is connected to the sensor 14 set up on each stair through the wire D10. The sensor 14 is connected to the light bulb 15 in the corridor of each floor through the wire E11. The controller 13 of the entire teaching building is connected to the movable plate 1 of each step through the wire B8. The controller 13 of the entire teaching building is connected to the sensor 14 set up on each stair through the wire C9.

[0020] Refer to the attached Figure 1The specific working process of the device is as follows: during classes, evening classes, and summer and winter vacations, since there are fewer people going up and down the stairs, for each step on each floor of the stairs, the mobile flat plate 1 is controlled by the controller 13 to be in the open state. When a person steps on the mobile flat plate 1, the mobile flat plate 1 plays a supporting role, and the entire power generation device is in the closed state, thereby preventing the elastic body 2 from being squeezed and extending the service life of the elastic body 2; during breaks between classes, the mobile flat plate 1 is controlled by the controller 13 to be in the closed state, and the mobile flat plate 1 cannot play a supporting role. At this time, the flow of people is large, and the stepping pressure of students going up and down the stairs acts on the elastic body 2 through the mobile flat plate 1. The elastic body 2 undergoes elastic deformation after being subjected to the force, that is, the controller 13 of the entire teaching building can timely and accurately control the open or closed state of the mobile flat plate 1 for each step on each floor of the stairs according to the class schedule. After the elastic body 2 of each staircase is elastically deformed upon application of force, it further compresses the housing 3 downward. Housing 3 is tightly connected to a large number of micro-piezoelectric crystals 4, evenly distributing the applied force to each micro-piezoelectric crystal 4. This prevents damage to the micro-piezoelectric crystals 4 and increases their service life. It also transforms potential energy into electrical energy through the deformation of the micro-piezoelectric crystals 4. The current generated by all the micro-piezoelectric crystals 4 on each step is fed through the crystal wire connection board 5 and wire A7 into the battery 12 located on each staircase, ultimately storing the electrical energy. The battery 12 on each staircase is connected to a sensor 14 on the left wall via wire D10. This sensor 14 is in turn connected to a light bulb 15 via wire E11. Sensor 14 is a light-sensitive device. When the room is bright, regardless of whether anyone is stepping on the staircase, sensor 14 remains off. The lighting circuit is disconnected, and light bulb 15 is unlit. Sensor 14 is only on when the room is dimmed. When there is sufficient light during the day, the sensors 14 provided on each staircase are in a closed state, and the entire device only stores the collected electrical energy. When it is cloudy or at night when the light is weak, the sensors 14 provided on each staircase are in an open state. If a person passes through each step of a certain staircase (excluding the last step), the movable plate 1 begins to bear the pressure of stepping on it and is controlled by the controller 13. The rear circuit of the sensor 14 provided on the staircase is connected, and the circuit connecting the battery 12 and the light bulb 15 on this floor is connected. The battery 12 uses the stored energy to power the light bulb 15, so that the light bulb on this floor is in a bright state; if the person continues to step on the next step within 7 seconds, the movable plate 1 on the next step continues to bear the pressure of stepping on it and is controlled by the controller 13. The battery 12 uses the stored energy to continuously power the light bulb 15, thereby achieving continuous lighting when the person passes through the stairs on this floor; if the person stays on the current step within 7 seconds, the rear circuit of the sensor 14 on this floor is disconnected and the light bulb goes out. After the light bulb goes out, if the person continues to step on any other step on this floor, the rear circuit of the sensor 14 on this floor is restored and the light bulb 15 continues to illuminate.If a person passes the last step of a certain staircase, the mobile platform 1 begins to bear the trampling pressure and is controlled by the controller 13. The rear circuit of the sensor 14 provided on the staircase is connected, and the battery 12 uses the stored energy to power the light bulb 15, so that the light bulb 15 on this floor is in a bright state; if the person continues to step on the first step of the next staircase within 30 seconds, the rear circuit of the sensor 14 on this floor is controlled by the controller 13, and the rear circuit of the sensor 14 on the next floor is connected. The light bulb 15 on this floor goes out, and the light bulb 15 on the next floor is illuminated, realizing the lighting switching when the person passes the staircase on this floor and enters the next staircase; if the person continues to stay in the corridor between the staircase on this floor and the next floor within 30 seconds, the rear circuit of the sensor 14 on this floor is controlled by the controller 13, and the light bulb 15 goes out. After the light bulb 15 goes out, the person continues to step on any step of the stairs on this floor or the next floor, then the rear circuit of the sensor 14 on the corresponding floor is restored and connected, and the light bulb 15 continues to illuminate. This ensures continuous lighting before people enter the next staircase, while also minimizing lighting loss when the stairs are empty or when people are resting. The controller 13 and sensor 14 implement double-AND gate control of the circuit connecting the battery 12 and the light bulb 15, providing convenience for teachers and students going up and down the stairs while minimizing lighting energy consumption.

[0021] Refer to the attached Figure 2 , taking the horizontal central axis of the elastic body 2 as the horizontal line, the elevation angle of the elastic body 2 is the angle between the straight line passing through the right vertex of the elastic body 2 and the highest point of the upper half of the elastic body 2 and the horizontal line, and its angle is 10°. The depression angle of the elastic body 2 is the angle between the straight line passing through the right vertex of the elastic body 2 and the lowest point of the lower half of the elastic body 2 and the horizontal line, and its angle is also 10°. The upper and lower curved surfaces of the elastic body 2 are both spherical surfaces. The elastic body 2 of each level of the steps in the new power generation device of the stairs in the entire teaching building is the same.

[0022] To sum up, compared with conventional power generation devices, this device converts the potential energy of a person stepping on stairs into electrical energy through micro-piezoelectric crystals and stores it in a battery, thereby realizing energy collection and utilization; the start and stop of the power generation device is controlled by a controller, so that the power generation device runs intermittently according to the class schedule, thereby achieving the effects of reducing the energy consumption of the device, extending the service life of the elastomer, and improving the power generation efficiency; the use of a controller and a sensor to complete dual control of the battery and light bulb connection circuit can ensure that the light bulb is turned on when the light is dim and people pass by, providing convenience for teachers and students going up and down the stairs, and minimizing the energy consumption of stair lighting.

Claims

1. A staircase power generation device used in a teaching building, mainly comprising: A movable plate (1), an elastic body (2), a shell (3), a micro-pressure crystal (4), a crystal wire connection plate (5), a step shell (6), a wire A (7), a wire B (8), a wire C (9), a wire D (10), a wire E (11), a battery (12), a controller (13), a sensor (14) and a light bulb (15); the movable plate (1) of each step in each layer of the stairs is horizontally arranged on the stair surface, an elastic body (2) is installed directly below the movable plate (1) of each step, a shell (3) is installed directly below the elastic body (2) of each step, and a shell (3) is installed directly below the shell (3) of each step. A micro-pressure crystal (4) is installed on each side, and a crystal wire connection plate (5) is installed just below the micro-pressure crystal (4) on each step; the movable plate (1) on each step in each layer of the stairs is controlled by a controller (13) and plays a supporting role for the power generation device; the movable plate (1), the elastic body (2), the shell (3), the micro-pressure crystal (4), and the crystal wire connection plate (5) are connected in sequence from high to low, and the central axes are collinear, and the lower part of each micro-pressure crystal (4) in each step is connected to the crystal wire connection plate (5), and seamless connection is achieved through the step shells (6) on the left and right sides, and the crystal wire connection plate (5) is connected through The wire A (7) is connected to the battery (12) at the bottom of each staircase, the battery (12) is connected to the sensor (14) provided on each staircase via the wire D (10), the sensor (14) is further connected to the light bulb (15) in the corridor of each floor via the wire E (11), the controller (13) of the entire teaching building is connected to the movable plate (1) of each step via the wire B (8), and is connected to the sensor (14) provided on each staircase via the wire C (9); the staircase power generation device applied to the teaching building has a light bulb (15) provided on each floor for lighting, and the controller (13) controls the light bulbs (15) on each floor via the wire C (9). The sensor (14) and its rear circuit are arranged on the stairs. When the movable plate (1) of each step (excluding the last step) of each floor of the stairs begins to bear the pressure of people stepping on it, the rear circuit of the sensor (14) on this floor is connected. If the passing person continues to step on the next step within a certain delay time, the rear circuit of the sensor (14) on this floor remains connected. If the passing person continues to stay on the current step within a certain delay time, the rear circuit of the sensor (14) on this floor is disconnected. After the circuit is disconnected, if the person continues to step on any other step on this floor, the rear circuit of the sensor (14) on this floor is restored to connection. The delay time is 7s.When the moving plate (1) of the last step of each staircase begins to bear the pressure of people stepping on it, the rear circuit of the sensor (14) on this floor is connected. If the person continues to step on the first step of the next staircase within a certain delay time, the rear circuit of the sensor (14) on this floor is disconnected and the rear circuit of the sensor (14) on the next floor is connected. If the person continues to stay in the corridor between the current and next floors within a certain delay time, the rear circuit of the sensor (14) on this floor is disconnected. After the circuit is disconnected, if the person continues to step on any step of the current or next floor, the rear circuit of the sensor (14) on the corresponding floor is restored. The delay time is 30s.

2. The staircase power generation device used in a teaching building according to claim 1, characterized in that: In the staircase power generation device used in a teaching building, the elevation angle and depression angle of the elastic body (2) of each step in each staircase to the horizontal plane are 10°.

3. The staircase power generation device used in a teaching building according to claim 1, characterized in that: In the staircase power generation device used in a teaching building, the maximum load-bearing capacity of the elastic body (2) of each step in each floor of the stairs is 200 kg.

4. The staircase power generation device used in a teaching building according to claim 1, characterized in that: In the staircase power generation device used in a teaching building, the micro-piezoelectric crystal (4) on each step of each staircase is made of piezoelectric ceramic material.

5. The staircase power generation device used in a teaching building according to claim 1, characterized in that: The staircase power generation device used in a teaching building comprises a movable plate (1) on each step of each staircase under the control of a controller (13), which is in an open state when students are not having a break, and the power generation device does not generate electricity or store energy; and a movable plate (1) on each step of each staircase under the control of a controller (13), which is in a closed state when students are having a break, and a micro-piezoelectric crystal (4) converts the potential energy of a human body when stepping on the stairs into electrical energy, which is stored in a storage battery (12) through a wire A (7).

6. The staircase power generation device used in a teaching building according to claim 1, characterized in that: The staircase power generation device used in the teaching building is controlled according to the course schedule and realizes intermittent energy storage according to the course schedule, that is, power generation and energy storage are only performed during the students' breaks. During the time periods such as class time, after school time, winter and summer vacations, there are fewer people going up and down the stairs. Due to the low energy density, the value of collecting energy is not great, and power generation and energy storage are not performed. If the course changes, the control program of the controller (13) can be adjusted immediately to complete power generation and energy storage in a timely and accurate manner.

7. The staircase power generation device used in a teaching building according to claim 1, characterized in that: The staircase power generation device used in a teaching building has a movable plate (1) on each step of each staircase under the control of a controller (13). When the total number of students in each class on the same floor is less than 60, the energy density is low and the value of energy collection is small. The movable plate (1) is continuously in the on state and does not generate or store energy.

8. The staircase power generation device used in a teaching building according to claim 1, characterized in that: The staircase power generation device applied to a teaching building is provided with a light-sensitive sensor (14) on each staircase. When the indoor brightness is high, the sensor (14) is in a closed state regardless of whether the staircase is subjected to trampling. At this time, the lighting circuit is disconnected and the light bulb (15) does not illuminate. When the indoor brightness is low, the sensor (14) is in an open state. If a person passes by a certain staircase, the movable plate (1) of each step of the staircase is subjected to trampling. Under the control of the controller (13), the rear circuit of the sensor (14) is connected. At this time, the entire lighting circuit of the battery (12) and the light bulb (15) on this floor is connected. The battery (12) uses stored energy to power the light bulb (15). The controller (13) and the light-sensitive sensor (14) are used to control the lighting of the light bulb (15) using a double AND gate, thereby reducing lighting energy consumption.

Images