阅读说明：本技术 一种利用电磁感应原理的摆动发电装置 (Swing power generation device utilizing electromagnetic induction principle ) 是由 张胜茂 张潇艺 戴阳 邹国华 于 2020-04-03 设计创作，主要内容包括：本发明涉及一种利用电磁感应原理的摆动发电装置,包括支撑框架、发电组件和负载电路,所述支撑框架包括框架上板、框架下板和框架桶,所述框架上板和框架下板之间设置有所述框架桶；所述发电组件包括漆包线和磁球,所述磁球位于框架桶中,并能够在框架桶、框架上板和框架下板构成的空间内自由移动；所述漆包线缠绕在所述支撑框架外,并紧密排列；所述漆包线的两端分别通过两根导线与负载电路相连形成闭合电路。本发明能够利用外界摆动进行发电。(The invention relates to a swing power generation device utilizing the electromagnetic induction principle, which comprises a supporting frame, a power generation assembly and a load circuit, wherein the supporting frame comprises a frame upper plate, a frame lower plate and a frame barrel, and the frame barrel is arranged between the frame upper plate and the frame lower plate; the power generation assembly comprises an enameled wire and a magnetic ball, wherein the magnetic ball is positioned in the frame barrel and can freely move in a space formed by the frame barrel, the frame upper plate and the frame lower plate; the enameled wires are wound outside the supporting frame and are closely arranged; and two ends of the enameled wire are respectively connected with the load circuit through two wires to form a closed circuit. The invention can utilize external swing to generate electricity.)

1. A swing power generation device utilizing the electromagnetic induction principle comprises a supporting frame, a power generation assembly and a load circuit, and is characterized in that the supporting frame comprises a frame upper plate, a frame lower plate and a frame barrel, wherein the frame barrel is arranged between the frame upper plate and the frame lower plate; the power generation assembly comprises an enameled wire and a magnetic ball, wherein the magnetic ball is positioned in the frame barrel and can freely move in a space formed by the frame barrel, the frame upper plate and the frame lower plate; the enameled wires are wound outside the supporting frame and are closely arranged; and two ends of the enameled wire are respectively connected with the load circuit through two wires to form a closed circuit.

2. The swing power generation apparatus using electromagnetic induction principle according to claim 1, wherein said frame upper plate, frame lower plate and frame tub are made of transparent material.

3. The oscillatory power generation device using the electromagnetic induction principle according to claim 1, characterized in that the enameled wire is wound outside the support frame for a total of 80-90 turns.

4. The apparatus for generating power by oscillating motion according to the electromagnetic induction principle of claim 1, wherein said load circuit comprises a first L ED and a second L ED, the positive terminal of said first L ED is connected to the negative terminal of said second L ED, even if the positive terminal of said second L ED is connected to the negative terminal of said first L ED, the positive terminal of said first L ED is further connected to one of two wires connected to the enameled wire, and the positive terminal of said second L ED is connected to the other of the two wires connected to the enameled wire.

5. The swing electricity generating apparatus using electromagnetic induction principle as claimed in claim 1, wherein said load circuit is fixed on said frame upper plate.

6. The swing power generation device using the electromagnetic induction principle as claimed in claim 1, wherein the supporting frame is fixedly wound with a waterproof insulating tape.

7. The swing power generation device using the electromagnetic induction principle as claimed in claim 1, whereinWherein the electromotive force generated when the magnetic ball approaches the coil formed by the enameled wire is as large asThe magnetic induction intensity of the magnetic ball at the position P1 is b, the position P1 is a contact position of the enameled wire and the side face of the supporting frame, the number of winding turns of the enameled wire is n, the length of each half turn is l, the diameter of a rotation track of the magnetic ball is D, and the rotation frequency of the magnetic ball is F.

Technical Field

The invention relates to a power generation device, in particular to a swing power generation device utilizing the electromagnetic induction principle.

Background

An electromotive force is generated in the conductor in the changing magnetic flux. This electromotive force is called induced electromotive force or induced electromotive force, and when the conductor is closed in a loop, the electromotive force drives electrons to flow, and an induced current is formed. Electromagnetic induction is a phenomenon in which an induced electromotive force is generated due to a change in magnetic flux. The discovery of the electromagnetic induction phenomenon is one of the greatest achievements in the field of electromagnetism. The method not only reveals the internal relation between electricity and magnetism, but also lays an experimental foundation for the mutual conversion between electricity and magnetism, opens up a road for human to obtain huge and cheap electric energy, and has great significance in practical use. The existing power generation device mainly adopts the technical scheme that a magnetic field is fixed, a lead rotates to cut a magnetic line to generate current, the power generation device is widely applied in life, and the cases of lead fixation and magnetic field movement are relatively few.

Disclosure of Invention

The invention provides a swing power generation device utilizing an electromagnetic induction principle, which can generate power by utilizing external swing.

The technical scheme adopted by the invention for solving the technical problems is as follows: the swing power generation device utilizing the electromagnetic induction principle comprises a supporting frame, a power generation assembly and a load circuit, wherein the supporting frame comprises a frame upper plate, a frame lower plate and a frame barrel, and the frame barrel is arranged between the frame upper plate and the frame lower plate; the power generation assembly comprises an enameled wire and a magnetic ball, wherein the magnetic ball is positioned in the frame barrel and can freely move in a space formed by the frame barrel, the frame upper plate and the frame lower plate; the enameled wires are wound outside the supporting frame and are closely arranged; and two ends of the enameled wire are respectively connected with the load circuit through two wires to form a closed circuit.

The frame upper plate, the frame lower plate and the frame barrel are made of transparent materials.

The enameled wire is wound outside the supporting frame for 80-90 circles.

The load circuit comprises a first L ED and a second L ED, wherein the positive end of the first L ED is connected with the negative end of the second L ED, the positive end of the second L ED is connected with the negative end of the first L ED, the positive end of the first L ED is further connected with one of two conducting wires connected with the enameled wire, and the positive end of the second L ED is connected with the other of the two conducting wires connected with the enameled wire.

The load circuit is fixed on the frame upper plate.

And the supporting frame is fixedly wound by adopting a waterproof insulating adhesive tape.

The electromotive force generated when the magnetic ball is close to the coil formed by the enameled wires is as followsThe magnetic induction intensity of the magnetic ball at the position P1 is b, the position P1 is a contact position of the enameled wire and the side face of the supporting frame, the number of winding turns of the enameled wire is n, the length of each half turn is l, the diameter of a rotation track of the magnetic ball is D, and the rotation frequency of the magnetic ball is F.

Advantageous effects

Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects: the invention utilizes the support frame to wind the conducting wire, the conducting wire is connected with the load circuit to form a closed circuit, the magnetic ball is arranged in the frame, and the magnetic line of force is cut through the rotation of the magnetic ball to generate current, so that the invention can be applied to the fields of wave energy power generation, physical experiments of middle school students, electronic toys, body-building equipment and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a longitudinal cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a circuit diagram of a load circuit in the present invention;

FIG. 5 is a schematic diagram of the power generation principle of the present invention;

fig. 6 is a waveform diagram of voltage over time.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

The embodiment of the invention relates to a swing power generation device utilizing the principle of electromagnetic induction, which comprises a supporting frame, a power generation assembly and a load circuit, as shown in figure 1. The supporting frame comprises a frame upper plate 1, a frame lower plate 8 and a frame barrel 2, and the frame barrel 2 is arranged between the frame upper plate 1 and the frame lower plate 8; the power generation assembly comprises an enameled wire 3 and a magnetic ball 7, wherein the magnetic ball 7 is positioned in the frame barrel 2 and can freely move in a space formed by the frame barrel 2, the frame upper plate 1 and the frame lower plate 8; the enameled wires 3 are wound outside the supporting frame and are closely arranged; and two ends of the enameled wire 3 are respectively connected with a load circuit through two wires to form a closed circuit. In the embodiment, the load circuit adopts the circuit board, and the lead and the load are welded on the circuit board, so that the possibility of short circuit or open circuit is reduced.

The longitudinal section of the power generation device comprises a section A-A, a section B-B and a section C-C, as shown in figure 2. Section A-A is the vertical section upward projection along the line A-A in FIG. 1, the magnetic ball 7 can move freely in the device, the magnetic ball 7 stays at the position along the line A-A, the upper part of the section is the frame upper plate 1, the lower part is the frame lower plate 8, the circuit board 5 is placed on the frame upper plate 1, and the load 6 is fixed on the circuit board 5; winding enameled wires 3 on the upper frame plate 1 and the lower frame plate 8 in parallel side by side; the left and right sides are frame barrels 2, which are cylindrical, pressed between frame upper plate 1 and frame lower plate 8. Section B-B is a right side projection along the interface of line B-B in fig. 1, with frame tub 2 on the top and bottom side of the screenshot, right frame top plate 1, frame bottom plate 8 on the left, and circuit board 5 on the right frame top plate. The section C-C is a left projection along the line C-C in fig. 1, the enamel wire 3 is on the upper and lower sides of the section, the upper frame plate 1 is on the left side, the lower frame plate 8 is on the right side, the magnetic ball 7 is inside, and the frame barrel 2 is between the magnetic ball 7 and the enamel wire 3. The cross section of the power generation device is shown in fig. 3, the outermost square of the power generation device is a frame upper plate 1, the black parts of the upper side and the lower side of the frame upper plate 1 are enameled wires 3, the ring shape is a frame barrel 2, and the internal sphere is a magnetic ball 7.

The load circuit comprises a first L ED and a second L ED, the positive terminal of the first L ED is connected with the negative terminal of the second L ED, the positive terminal of the second L ED is connected with the negative terminal of the first L ED, the positive terminal of the first L ED is also connected with one of the two wires connected with the enameled wire, the positive terminal of the second L ED is connected with the other of the two wires connected with the enameled wire, as shown in FIG. 4, the load circuit comprises two identical L ED lamps, L ED lamps are composed of L ED tubes 603, L ED 9 positive wires (long head) 601, L ED negative wires (short head) 602, wire 4 is connected with positive wire of lamp 90, wire L ED lamp is L ED 1 (left side) and L ED 2 (right side), wire 4 on the left side is connected with L ED 1 positive wire and L ED 2 wire, wire 6862 ED lamp is connected with high-level lamp wires, L is connected with high-level lamp wires, and the right-side is connected with high-level lamp wires 8672, and L is not high level lamp wire.

The enameled wire, the lead and the L ED lamp of the power generation device jointly form a closed loop, wherein when a part of conductors are used for cutting magnetic induction lines, induction current can be generated in the closed loop, induction electromotive force exists in a circuit at the moment, the part of conductors for cutting the magnetic induction lines is equivalent to a power supply and provides electric energy for the whole circuit, if the magnetic induction intensity perpendicular to the closed loop is B, the length of the conductor bar for cutting the magnetic induction lines is L, the cutting speed of the conductor bar is v, and the magnitude of the induction electromotive force generated in the closed loop is E-B L v.

As shown in fig. 5, an enameled wire is wound between P1 and P3, and no wire is wound between P2 and P4, assuming that the rotation frequency of the magnetic ball is F, the rotation angular velocity is 2 pi F, assuming that the magnetic ball is at P5 at time t, the angle from P1 to P5 is α -2 pi Ft, the induction intensity of P1 is inversely proportional to the distance from the magnetic ball, and assuming that the magnetic induction intensity of the magnetic ball at P1 is b and the distance from P1 to P5 is s, the magnetic induction intensity of the magnetic ball at P5 at time t at P1 is approximately:the number of winding turns of the enameled wire of the power generation device is n, the length of each half turn is l, and the length of the conductor bar cutting magnetic induction wire is approximate to L ═nl. If the diameter of the magnetic ball rotation track is D, the rotation speed of the magnetic ball is pi DF, and the time P is t₅The rotational speed at (f) is v ═ pi DF × (2 pi Ft) cos.

The electromotive force at P1 is obtained asP3 is opposite to P1, the angle is different by pi, and the sum of the electromotive force at the time point P3 and the electromotive force at the time point P1 is

The model of the power generation device is manufactured in a mode that a supporting frame comprises an upper frame plate 1 and a lower frame plate 8, the upper frame plate 1 and the lower frame plate 8 are both made of acrylic transparent plates with the thickness of 3mm and the length and width of 150 × mm, a frame barrel 2 is arranged between the two frame plates, the frame barrel 2 is made of acrylic transparent tubes with the diameter of 150mm, the thickness of 3mm and the height of 40mm, enameled wires 3 are wound outside the upper frame plate 1 and the lower frame plate 8, the diameter of the enameled wires 3 is 0.5mm, the length of 31m is 87 circles in total, the enameled wires are connected with wires 4, a circuit board 5 is placed on the upper frame plate 1, L ED lamps 6 are fixed on the circuit board 5, the wires 4 are connected with L ED 6, magnetic balls 7 placed in the frame barrel are high-strength neodymium iron boron magnets and have the diameter of 30mm, and finally the power generation device is fixedly wound by transparent PVC waterproof insulating adhesive tapes with the width of 20 mm.

The power generation transposition model is characterized in that two L ED lamps are dismounted in an experiment and are directly connected to an oscilloscope, the Agilent MSO6014A oscilloscope is selected in the test, the shape and the voltage of a pulse current wave of alternating current are measured, analog, digital and serial signals can be rapidly captured and analyzed, tiny signal details and accidental events can be rapidly found, the depth of a memory is 8Mpts, a display screen is 6.3 inches in color, the brightness is 256 levels, the display updating rate is 10 ten thousand times/s, and a standard USB output interface is provided.

The input Impedance (Impedance) was 1M Ω, the input Impedance of the oscilloscope was high, and the point of flow into the oscilloscope from the circuit under test was negligible. The Coupling mode (Coupling) is Direct Current (DC), and the measured signal contains both alternating current components and direct current components. And closing the bandwidth limitation, and allowing high-frequency components contained in the detected signal to pass through. The horizontal coordinate unit of the grid on the display screen is 10ms, and the vertical coordinate unit of the grid on the display screen is 1V.

The magnetic ball in the generating set rotates fast, and the enameled wire moves relative to the magnetic field of the magnetic ball to cut magnetic lines of force to generate electromotive force and generate the shape and voltage of the pulse current wave of alternating current on the oscilloscope. And saving the tested data by using a USB interface of the oscilloscope. Total sampling 7 groups of data, each group comprises 1000 pieces, the time interval between each piece of data is 0.1ms, and 7000 pieces of data are sampled in total. As shown in fig. 6, the shape of the pulse current wave is a waveform obtained by superposing sine and cosine, and the peak and the trough are the voltage of the magnetic ball at P1 or P3, and the two voltages are opposite (if the peak is the voltage at P1, the trough is the voltage at P3). A value 0 voltage appears at P2.

The minimum voltage of the 7 sets of sample data is-1.37V of the third set, and the maximum voltage is 1.29V of the seventh set. The maximum voltage difference for the 7 sets was 2.59V. The rotation frequency of the magnetic ball is about 20HZ, positive correlation exists between the rotation frequency and the voltage difference, and the correlation coefficient is 0.9.

TABLE 1 Voltage and frequency statistics for the device

Name (R)	Volt1	Volt2	Volt3	Volt4	Volt5	Volt6	Volt7
								Minimum voltage/V	-1.12	-1.09	-1.37	-0.56	-0.96	-0.93	-1.31
Maximum voltage/V	1.22	1.44	0.88	0.41	0.60	1.19	1.29
								Voltage difference/V	2.34	2.53	2.25	0.97	1.56	2.13	2.59
Frequency of variation/HZ	25.84	26.53	24.57	17.51	24.57	23.89	25.81

n is 87 turns, l is the sum of two times the device height and the ball diameter 100mm, pi is 3.14, D is the device diameter 150mm, F is the frequency under test, the calculated b value averages about 4.1E-8, and the electromotive force of the magnetic ball at a certain point can be calculated in the case where F and t are known. However, because the included angle between the magnetic sphere magnetic field and the enameled wire is not fixed, b can be changed constantly, and the calculated electromotive force is

The wave energy is one of the most main energy sources in ocean energy, has abundant reserves, and can drive the power generation device to supply power for ocean instruments and equipment by utilizing the wave energy, so that an effective mode can be realized, the motion of the magnetic ball can be seen through a transparent shell of the power generation device, the L ED lamp can flicker, the power generation process can be understood, the electromagnetic induction principle can be understood, and the power generation device is a good popular science tool.