CN107993533B - Chaotic pendulum capable of randomly overturning - Google Patents
Chaotic pendulum capable of randomly overturning Download PDFInfo
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- CN107993533B CN107993533B CN201711404954.9A CN201711404954A CN107993533B CN 107993533 B CN107993533 B CN 107993533B CN 201711404954 A CN201711404954 A CN 201711404954A CN 107993533 B CN107993533 B CN 107993533B
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Abstract
The invention provides a chaotic pendulum capable of randomly overturning, and relates to the field of dynamics. The device is provided with a power supply on a base, an electromagnet is arranged in a first supporting rod which is vertical to the base, a first permanent magnet is arranged at the outer side part of a first arc-shaped body which is close to the upper end part of the first supporting rod in a static state, a second supporting rod is arranged at the inner side part, and a transparent ball body is arranged at the upper end part of the second supporting rod; when the power supply is turned on, the first point electromagnet and the first permanent magnet generate mutual magnetic acting force to supplement energy loss of the device in the rotating process, so that continuous random rotation is realized. The chaos phenomenon of the chaos pendulum demonstration of the random overturning is more vivid and is rich in layering.
Description
Technical Field
The invention belongs to the field of dynamics, and particularly relates to a chaotic pendulum capable of randomly overturning.
Background
The chaos phenomenon refers to seemingly random irregular motion occurring in a deterministic system, and the behavior of the system described by a deterministic theory is represented by uncertainty, namely irreproducible and unpredictable, and is the chaos phenomenon. Further research shows that the chaos is an inherent characteristic of a nonlinear power system and is a ubiquitous phenomenon of the nonlinear system. Newton's deterministic theory can adequately handle most linear systems, which are mostly simplified by non-linear systems. Therefore, chaos is ubiquitous in real life and real engineering problems.
The chaotic pendulum explains chaotic modeling, utilizes a rotary motion sensor to measure the phase space track of the physical pendulum in real time, records the angular displacement and the change of the angular velocity of the phase space in the process of generating the chaos, and demonstrates the chaos phenomenon through the device.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the chaotic pendulum which is turned over randomly, and the chaotic phenomenon is demonstrated more comprehensively through the device.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a chaos pendulum capable of randomly overturning comprises a base, a first supporting rod and a fixed arc-shaped body, wherein the first supporting rod is vertically fixed on the base, one end of the fixed arc-shaped body is fixedly connected with the first supporting rod, the other end of the fixed arc-shaped body is provided with a first rotating shaft, and the first rotating shaft is parallel to the base;
the first rotating shaft is provided with a first arc-shaped body, and the first rotating shaft is connected with 2/3-7/10 parts of the first arc-shaped body; a second rotating shaft is arranged at the end part, far away from the base, of the first arc-shaped body, a second arc-shaped body is arranged on the second rotating shaft, the second rotating shaft is connected with 2/3-7/10 parts of the second arc-shaped body, a third rotating shaft is arranged at the end part, far away from the base, of the second arc-shaped body, a third arc-shaped body is arranged on the third rotating shaft, and the third rotating shaft is connected with 1/2 parts of the third arc-shaped body;
when the chaos pendulum which is turned over randomly is in a static state, 2/3-7/10 of the first arc-shaped body and the second arc-shaped body are located at the lower position; an electromagnet is arranged in the first supporting rod, a first permanent magnet is arranged on the outer side part of the first arc-shaped body close to the upper end part of the first supporting rod, and the electromagnet is connected with a power supply arranged in the base;
the inner side part of the first arc-shaped body, which is close to the upper end part of the first supporting rod in a static state, is provided with a second supporting rod, and the upper end part of the second supporting rod is provided with a transparent ball body; the length of the second supporting rod is the radius of the first arc-shaped body;
the transparent ball structure of the invention is that a fourth rotating shaft is arranged in the transparent ball, the fourth rotating shaft is provided with a cross bar, the two ends of the cross bar are provided with third permanent magnets, and the two ends of the cross bar are also provided with lamps; and a rotary electric brush and a power supply metal sheet are arranged at the joint of the fourth rotating shaft and the cross rod.
In the technical scheme of the bright spherical body structure, the inner sides of two end parts of the third arc-shaped body are respectively provided with a third supporting rod, the end part of the third supporting rod is provided with a magnet movement chamber, and a second permanent magnet is arranged in the magnet movement chamber.
Preferably, the first arc-shaped body, the second arc-shaped body and the third arc-shaped body are concentric circles.
Preferably, the fixed arc-shaped body is 1/4 circular arcs.
Preferably, the first arc-shaped body is any arc between 7/10 circles and 4/5 circles, the second arc-shaped body is any arc between 1/2 circles and 3/5 circles, and the third arc-shaped body is any arc between 1/4 circles and 1/3 circles.
Preferably, a balance weight is provided at an outer end of the first rotating shaft.
(III) advantageous effects
The invention provides a chaotic pendulum capable of randomly overturning, which has the following beneficial effects:
1. the chaotic pendulum capable of randomly overturning is characterized in that a power supply is arranged on a base, an electromagnet is arranged in a first supporting rod which is perpendicular to the base, a first permanent magnet is arranged on the outer side part, close to the upper end part of the first supporting rod, of a first arc-shaped body in a static state, and a sphere is arranged on the inner side part; when the first arc-shaped body rotates, the second rotating shaft arranged at one end part of the first arc-shaped body drives the second arc-shaped body to randomly rotate while driving the ball body to rotate; when the second arc-shaped body rotates, the third rotating shaft arranged at one end part of the second arc-shaped body can drive the third arc-shaped body to randomly rotate. When the power supply is switched on, when the first permanent magnet and the electrified electromagnet are close to each other, electromagnetic interaction force is generated to promote the first arc-shaped body to rotate randomly again, energy loss is supplemented through the electromagnetic interaction force, and therefore continuous random rotation is achieved. The chaos phenomenon demonstrated by the electromagnetic chaos device capable of randomly rotating is more vivid and rich in layering. The first arc-shaped body, the second arc-shaped body and the third arc-shaped body rotate randomly, so that a visitor can watch the chaos phenomenon presented by the device more clearly.
2. The chaos pendulum capable of randomly overturning fully ensures the free swinging amplitude of the first arc-shaped body, the second arc-shaped body and the third arc-shaped body and prolongs the random rotation time by controlling the radians and the sizes of the first arc-shaped body, the second arc-shaped body and the third arc-shaped body and the position of the rotating shaft thereof.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of a chaotic pendulum in which random inversion is performed when the chaotic pendulum is stationary according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a chaotic pendulum moving in random inversion in embodiment 2 of the present invention;
fig. 3 is a partially enlarged view of a transparent sphere of a chaotic pendulum flipping randomly according to embodiment 3 of the present invention.
The device comprises a base 1, a first support rod 2, a fixed arc-shaped body 3, a first rotating shaft 4, a first arc-shaped body 5, a second rotating shaft 6, a second arc-shaped body 7, a third rotating shaft 8, a third arc-shaped body 9, a first permanent magnet 10, a second support rod 11, a balance block 12, a third support rod 13, a transparent sphere 14, a magnet movement chamber 15, a second permanent magnet 16, a power supply metal sheet 19, a lamp 20, a cross rod 21, a third permanent magnet 22, a fourth rotating shaft 23 and a rotating brush 24.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a chaotic pendulum capable of randomly overturning, which comprises a base 1, a first supporting rod 2 and a fixed arc-shaped body 3, wherein the first supporting rod 2 is vertically fixed on the base 1, one end part of the fixed arc-shaped body 3 is fixedly connected with the first supporting rod 2, the other end part of the fixed arc-shaped body 3 is provided with a first rotating shaft 4, and the first rotating shaft 4 is parallel to the base 1;
the first rotating shaft 4 is fixedly provided with a first arc-shaped body 5, and the first rotating shaft 4 is connected with 2/3-7/10 parts of the first arc-shaped body 5; a second rotating shaft 6 is fixedly arranged at the end part of the first arc-shaped body 5 far away from the base 1, a second arc-shaped body 7 is fixedly arranged on the second rotating shaft 6, the second rotating shaft 6 is connected with 2/3-7/10 parts of the second arc-shaped body 7, a third rotating shaft 8 is fixedly arranged at the end part of the second arc-shaped body 7 far away from the base 1, a third arc-shaped body 9 is fixedly arranged on the third rotating shaft 8, and the third rotating shaft 8 is connected with 1/2 parts of the third arc-shaped body 9;
2/3-7/10 of the first arc-shaped body 5 and the second arc-shaped body 7 are in the lower position when the chaos pendulum which turns randomly is in the static state; an electromagnet (not marked in the drawing) is arranged in the first supporting rod 2, a first permanent magnet 10 is arranged on the outer side part of the first arc-shaped body 5 close to the upper end part of the first supporting rod 2, and the electromagnet is connected with a power supply (not marked in the drawing) arranged in the base 1.
A second strut 11 is arranged at the inner side part of the first arc-shaped body 5 close to the upper end part of the first strut 2 in a static state, and a transparent ball 14 is arranged at the upper end part of the second strut 11; the length of the second strut 11 is the radius of the first arc-shaped body 5.
In a specific implementation process, the base is provided with a power supply, an electromagnet is arranged in a first supporting rod which is perpendicular to the base, a first permanent magnet is arranged on the outer side part, close to the upper end part of the first supporting rod, of the first arc-shaped body in a static state, and a ball body is arranged on the inner side part. The triode of the electromagnet is a low-power transistor, the parameters of the capacitor are determined according to the inductance coefficient of the coil of the electromagnet, and the resistance capacitor forms a compensation circuit; under the condition that the electromagnet is not powered on, the first arc-shaped body is stirred to swing, and when the first arc-shaped body rotates, the second rotating shaft arranged at one end part of the first arc-shaped body drives the second arc-shaped body to randomly rotate while driving the ball body to rotate; when the second arc-shaped body rotates, the third rotating shaft arranged at one end part of the second arc-shaped body drives the third arc-shaped body to randomly rotate to generate continuous random rotation, and the device gradually stops along with energy consumption.
After the power supply is switched on, the first arc-shaped body is stirred, induced electromotive force generated by the electromagnet is enough to enable the base electrode of the triode to be conducted in the forward direction when the first arc-shaped body is close to the position right above the first branch, base electrode current of the transistor passes through the electromagnet, the electromagnet generates a magnetic field, electromagnetic interaction force is generated between the magnetic field generated by the electromagnet and the first permanent magnet on the outer side of the first arc-shaped body, the first arc-shaped body rapidly passes through the position above the first branch rod and swings to the other side, and the electromagnetic induction effect in the swinging-back. In a word, the first arc-shaped body is pushed twice in one period of swinging, so that the first arc-shaped body can continuously swing at the original speed, and under the condition that the electromotive force of a power supply is not changed, the energy loss is continuously supplemented through the electromagnetic acting force, and continuous random rotation is realized. The second arc-shaped body and the third arc-shaped body are driven to rotate through the first arc-shaped body, and the electromagnet and the first permanent magnet which are connected with the power supply continuously supplement energy loss of the device, so that continuous random rotation is realized. The chaos phenomenon demonstrated by the electromagnetic chaos device capable of randomly rotating is more vivid and rich in layering. The first arc-shaped body, the second arc-shaped body and the third arc-shaped body rotate randomly, so that a visitor can watch the chaos phenomenon presented by the device more clearly.
By controlling the radians and the sizes of the first arc-shaped body, the second arc-shaped body and the third arc-shaped body and the positions of the rotating shafts of the first arc-shaped body, the second arc-shaped body and the third arc-shaped body, the amplitude of free swing of the first arc-shaped body, the second arc-shaped body and the third arc-shaped body is fully ensured, and the random rotation time is prolonged.
In a specific implementation process, a fourth rotating shaft 23 is arranged inside the transparent sphere 14, a cross bar 21 is arranged on the fourth rotating shaft 23, third permanent magnets 22 are arranged at two ends of the cross bar 21, and lamps 20 are further arranged at two ends of the cross bar 21; the joint of the fourth shaft 23 and the cross bar 21 is provided with a rotating brush 24 and a power supply metal sheet 19.
In the second embodiment of the transparent sphere structure, in the specific implementation process, the third arc-shaped body 9 is provided with third supporting rods 13 at the inner sides of both ends, a magnet moving chamber 15 is provided at the end of the third supporting rod 13, and a second permanent magnet 16 is provided inside the magnet moving chamber 15.
In a specific implementation process, the first arc-shaped body 5, the second arc-shaped body 7 and the third arc-shaped body 9 are concentric circles.
In a specific implementation, the fixed arc-shaped body 3 is an 1/4 arc.
In a specific implementation process, the first arc-shaped body 5 is any arc between 7/10 circles and 4/5 circles, the second arc-shaped body 7 is any arc between 1/2 circles and 3/5 circles, and the third arc-shaped body 9 is any arc between 1/4 circles and 1/3 circles.
In the implementation process, a balance weight 12 is arranged at the outer end of the first rotating shaft 4.
The following is a detailed description of specific examples.
Example 1: as shown in fig. 1 to 3, the chaotic pendulum which is turned over randomly comprises a base 1, a first supporting rod 2 and a fixed arc-shaped body 3, wherein the first supporting rod 2 is vertically fixed on the base 1, one end of the fixed arc-shaped body 3 is fixedly connected with the first supporting rod 2, the other end of the fixed arc-shaped body 3 is provided with a first rotating shaft 4, and the first rotating shaft 4 is parallel to the base 1;
the first rotating shaft 4 is fixedly provided with a first arc-shaped body 5, and the first rotating shaft 4 is connected with 2/3 of the first arc-shaped body 5; a second rotating shaft 6 is fixedly arranged at the end part of the first arc-shaped body 5 far away from the base 1, a second arc-shaped body 7 is fixedly arranged on the second rotating shaft 6, the second rotating shaft 6 is connected with 2/3 of the second arc-shaped body 7, a third rotating shaft 8 is fixedly arranged at the end part of the second arc-shaped body 7 far away from the base 1, a third arc-shaped body 9 is fixedly arranged on the third rotating shaft 8, and the third rotating shaft 8 is connected with 1/2 of the third arc-shaped body 9;
2/3 of the first arc-shaped body 5 and the second arc-shaped body 7 are in the lower position when the chaos pendulum randomly overturns is in the static state; an electromagnet (not marked in the drawing) is arranged in the first supporting rod 2, a first permanent magnet 10 is arranged on the outer side part of the first arc-shaped body 5 close to the upper end part of the first supporting rod 2, and the electromagnet is connected with a power supply (not marked in the drawing) arranged in the base 1.
A second strut 11 is arranged at the inner side part of the first arc-shaped body 5 close to the upper end part of the first strut 2 in a static state, and a transparent ball 14 is arranged at the upper end part of the second strut 11; the length of the second strut 11 is the radius of the first arc-shaped body 5.
A fourth rotating shaft 23 is provided inside the transparent ball 14, a cross bar 21 is provided on the fourth rotating shaft 23, third permanent magnets 22 are provided at both ends of the cross bar 21, and lamps 20 are further provided at both ends of the cross bar 21; the joint of the fourth shaft 23 and the cross bar 21 is provided with a rotating brush 24 and a power supply metal sheet 19. Third struts 13 are respectively arranged on the inner sides of the two end parts of the third arc-shaped body 9, a magnet moving chamber 15 is arranged on the end part of the third strut 13, and a second permanent magnet 16 is arranged in the magnet moving chamber 15.
The first arc-shaped body 5, the second arc-shaped body 7 and the third arc-shaped body 9 are arranged to be concentric arcs, the first arc-shaped body 5 is 7/10 circles, the second arc-shaped body 7 is 1/2 circles, the third arc-shaped body 9 is 1/4 circles, and the fixed arc-shaped body 3 is arranged to be 1/4 circles.
The outer end of the first rotating shaft 4 is provided with a balance weight 12 to increase the stability of the device.
In the specific implementation process, along with the rotation of the third arc-shaped body 9, the third branch 13 that can drive the both ends of the third arc-shaped body 9 takes place to rotate at random, thereby make the third branch 13 tip set up the inside second permanent magnet 16 of magnet motion cavity 15 take place to rotate at random, second permanent magnet 16 produces the magnetic phase opposition with third permanent magnet 22, make horizontal pole 21 take place to rotate at random round fourth pivot 23, and still be provided with lamp 20 on horizontal pole 21, the observer can observe the more cool chaos phenomenon, the chaos phenomenon has more the layering, the aesthetic feeling and the artistic sense of the chaos phenomenon increase.
The rotating brush 24 and the power supply metal sheet 19 provided at the junction of the fourth rotating shaft 23 and the cross bar 21 in the implementation process can prevent the winding phenomenon of the coil.
Example 2: as shown in fig. 1 to 3, the chaotic pendulum which is turned over randomly comprises a base 1, a first supporting rod 2 and a fixed arc-shaped body 3, wherein the first supporting rod 2 is vertically fixed on the base 1, one end of the fixed arc-shaped body 3 is fixedly connected with the first supporting rod 2, the other end of the fixed arc-shaped body 3 is provided with a first rotating shaft 4, and the first rotating shaft 4 is parallel to the base 1;
the first rotating shaft 4 is fixedly provided with a first arc-shaped body 5, and the first rotating shaft 4 is connected with 2/3 of the first arc-shaped body 5; a second rotating shaft 6 is fixedly arranged at the end part of the first arc-shaped body 5 far away from the base 1, a second arc-shaped body 7 is fixedly arranged on the second rotating shaft 6, the second rotating shaft 6 is connected with 2/3 of the second arc-shaped body 7, a third rotating shaft 8 is fixedly arranged at the end part of the second arc-shaped body 7 far away from the base 1, a third arc-shaped body 9 is fixedly arranged on the third rotating shaft 8, and the third rotating shaft 8 is connected with 1/2 of the third arc-shaped body 9;
2/3 of the first arc-shaped body 5 and the second arc-shaped body 7 are in the lower position when the chaos pendulum randomly overturns is in the static state; an electromagnet (not marked in the drawing) is arranged in the first supporting rod 2, a first permanent magnet 10 is arranged on the outer side part of the first arc-shaped body 5 close to the upper end part of the first supporting rod 2, and the electromagnet is connected with a power supply (not marked in the drawing) arranged in the base 1.
A second strut 11 is arranged at the inner side part of the first arc-shaped body 5 close to the upper end part of the first strut 2 in a static state, and a transparent ball 14 is arranged at the upper end part of the second strut 11; the length of the second strut 11 is the radius of the first arc-shaped body 5.
A fourth rotating shaft 23 is provided inside the transparent ball 14, a cross bar 21 is provided on the fourth rotating shaft 23, third permanent magnets 22 are provided at both ends of the cross bar 21, and lamps 20 are further provided at both ends of the cross bar 21; the joint of the fourth shaft 23 and the cross bar 21 is provided with a rotating brush 24 and a power supply metal sheet 19. Third struts 13 are respectively arranged on the inner sides of the two end parts of the third arc-shaped body 9, a magnet moving chamber 15 is arranged on the end part of the third strut 13, and a second permanent magnet 16 is arranged in the magnet moving chamber 15.
The first arc-shaped body 5, the second arc-shaped body 7 and the third arc-shaped body 9 are arranged to be concentric arcs, the first arc-shaped body 5 is 3/4 circles, the second arc-shaped body 7 is 11/20 circles, the third arc-shaped body 9 is 3/10 circles, and the fixed arc-shaped body 3 is arranged to be 3/10 circles.
The outer end of the first rotating shaft 4 is provided with a balance weight 12 to increase the stability of the device.
In the specific implementation process, along with the rotation of the third arc-shaped body 9, the third branch 13 that can drive the both ends of the third arc-shaped body 9 takes place to rotate at random, thereby make the third branch 13 tip set up the inside second permanent magnet 16 of magnet motion cavity 15 take place to rotate at random, second permanent magnet 16 produces the magnetic phase opposition with third permanent magnet 22, make horizontal pole 21 take place to rotate at random round fourth pivot 23, and still be provided with lamp 20 on horizontal pole 21, the observer can observe the more cool chaos phenomenon, the chaos phenomenon has more the layering, the aesthetic feeling and the artistic sense of the chaos phenomenon increase.
The rotating brush 24 and the power supply metal sheet 19 provided at the junction of the fourth rotating shaft 23 and the cross bar 21 in the implementation process can prevent the winding phenomenon of the coil.
Example 3: as shown in fig. 1 to 3, the chaotic pendulum which is turned over randomly comprises a base 1, a first supporting rod 2 and a fixed arc-shaped body 3, wherein the first supporting rod 2 is vertically fixed on the base 1, one end of the fixed arc-shaped body 3 is fixedly connected with the first supporting rod 2, the other end of the fixed arc-shaped body 3 is provided with a first rotating shaft 4, and the first rotating shaft 4 is parallel to the base 1;
the first rotating shaft 4 is fixedly provided with a first arc-shaped body 5, and the first rotating shaft 4 is connected with 2/3 of the first arc-shaped body 5; a second rotating shaft 6 is fixedly arranged at the end part of the first arc-shaped body 5 far away from the base 1, a second arc-shaped body 7 is fixedly arranged on the second rotating shaft 6, the second rotating shaft 6 is connected with 2/3 of the second arc-shaped body 7, a third rotating shaft 8 is fixedly arranged at the end part of the second arc-shaped body 7 far away from the base 1, a third arc-shaped body 9 is fixedly arranged on the third rotating shaft 8, and the third rotating shaft 8 is connected with 1/2 of the third arc-shaped body 9;
2/3 of the first arc-shaped body 5 and the second arc-shaped body 7 are in the lower position when the chaos pendulum randomly overturns is in the static state; an electromagnet (not marked in the drawing) is arranged in the first supporting rod 2, a first permanent magnet 10 is arranged on the outer side part of the first arc-shaped body 5 close to the upper end part of the first supporting rod 2, and the electromagnet is connected with a power supply (not marked in the drawing) arranged in the base 1.
A second strut 11 is arranged at the inner side part of the first arc-shaped body 5 close to the upper end part of the first strut 2 in a static state, and a transparent ball 14 is arranged at the upper end part of the second strut 11; the length of the second strut 11 is the radius of the first arc-shaped body 5.
A fourth rotating shaft 23 is provided inside the transparent ball 14, a cross bar 21 is provided on the fourth rotating shaft 23, third permanent magnets 22 are provided at both ends of the cross bar 21, and lamps 20 are further provided at both ends of the cross bar 21; the joint of the fourth shaft 23 and the cross bar 21 is provided with a rotating brush 24 and a power supply metal sheet 19. Third struts 13 are respectively arranged on the inner sides of the two end parts of the third arc-shaped body 9, a magnet moving chamber 15 is arranged on the end part of the third strut 13, and a second permanent magnet 16 is arranged in the magnet moving chamber 15.
The first arc-shaped body 5, the second arc-shaped body 7 and the third arc-shaped body 9 are arranged to be concentric arcs, the first arc-shaped body 5 is 4/5 circles, the second arc-shaped body 7 is 3/5 circles, the third arc-shaped body 9 is 1/3 circles, and the fixed arc-shaped body 3 is arranged to be 1/4 circles.
The outer end of the first rotating shaft 4 is provided with a balance weight 12 to increase the stability of the device.
In the specific implementation process, along with the rotation of the third arc-shaped body 9, the third branch 13 that can drive the both ends of the third arc-shaped body 9 takes place to rotate at random, thereby make the third branch 13 tip set up the inside second permanent magnet 16 of magnet motion cavity 15 take place to rotate at random, second permanent magnet 16 produces the magnetic phase opposition with third permanent magnet 22, make horizontal pole 21 take place to rotate at random round fourth pivot 23, and still be provided with lamp 20 on horizontal pole 21, the observer can observe the more cool chaos phenomenon, the chaos phenomenon has more the layering, the aesthetic feeling and the artistic sense of the chaos phenomenon increase.
The rotating brush 24 and the power supply metal sheet 19 provided at the junction of the fourth rotating shaft 23 and the cross bar 21 in the implementation process can prevent the winding phenomenon of the coil.
Claims (6)
1. The chaotic pendulum capable of randomly overturning is characterized by comprising a base (1), a first supporting rod (2) and a fixed arc-shaped body (3), wherein the first supporting rod (2) is vertically fixed on the base (1), one end part of the fixed arc-shaped body (3) is fixedly connected with the first supporting rod (2), the other end part of the fixed arc-shaped body (3) is provided with a first rotating shaft (4), and the first rotating shaft (4) is parallel to the base (1);
the first rotating shaft (4) is provided with a first arc-shaped body (5), and the first rotating shaft (4) is connected with 2/3-7/10 parts of the first arc-shaped body (5); a second rotating shaft (6) is arranged at the end part, far away from the base (1), of the first arc-shaped body (5), a second arc-shaped body (7) is arranged on the second rotating shaft (6), the second rotating shaft (6) is connected with 2/3-7/10 parts of the second arc-shaped body (7), a third rotating shaft (8) is arranged at the end part, far away from the base (1), of the second arc-shaped body (7), a third arc-shaped body (9) is arranged on the third rotating shaft (8), and the third rotating shaft (8) is connected with 1/2 parts of the third arc-shaped body (9);
when the chaos pendulum which is turned randomly is in a static state, 2/3-7/10 of the first arc-shaped body (5) and the second arc-shaped body (7) are located at the lower positions; an electromagnet is arranged in the first supporting rod (2), a first permanent magnet (10) is arranged on the outer side part, close to the upper end part of the first supporting rod (2), of the first arc-shaped body (5), and the electromagnet is connected with a power supply arranged in the base (1);
a second supporting rod (11) is arranged on the inner side part of the first arc-shaped body (5) close to the upper end part of the first supporting rod (2) in a static state, and a transparent ball body (14) is arranged on the upper end part of the second supporting rod (11); the length of the second supporting rod (11) is the radius of the first arc-shaped body (5);
the first arc-shaped body (5), the second arc-shaped body (7) and the third arc-shaped body (9) are concentric circles.
2. The chaotic pendulum with random inversion according to claim 1, wherein a fourth rotating shaft (23) is disposed inside the transparent sphere (14), the fourth rotating shaft (23) is provided with a cross bar (21), third permanent magnets (22) are disposed at two ends of the cross bar (21), and lamps (20) are further disposed at two ends of the cross bar (21); and a rotary electric brush (24) and a power supply metal sheet (19) are arranged at the joint of the fourth rotating shaft (23) and the cross bar (21).
3. The chaotic pendulum with random inversion according to claim 2, wherein the third arc-shaped body (9) has third struts (13) disposed inside the two ends, a magnet moving chamber (15) is disposed at the end of the third struts (13), and a second permanent magnet (16) is disposed inside the magnet moving chamber (15).
4. The chaotic pendulum with random inversion according to any one of claims 1 to 3, wherein the fixed arc-shaped body (3) is an 1/4 arc.
5. The chaotic pendulum with random inversion according to any of claims 1 to 3, wherein the first arc-shaped body (5) is any arc between 7/10 and 4/5 circles, the second arc-shaped body (7) is any arc between 1/2 and 3/5 circles, and the third arc-shaped body (9) is any arc between 1/4 and 1/3 circles.
6. The chaotic pendulum with random inversion according to any one of claims 1 to 3, wherein the outer end of the first shaft (4) is provided with a balance weight (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711404954.9A CN107993533B (en) | 2017-12-22 | 2017-12-22 | Chaotic pendulum capable of randomly overturning |
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| CN201711404954.9A CN107993533B (en) | 2017-12-22 | 2017-12-22 | Chaotic pendulum capable of randomly overturning |
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| CN107993533B true CN107993533B (en) | 2020-02-07 |
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| CN111653164A (en) * | 2020-07-03 | 2020-09-11 | 龙岩学院 | Electromagnetic induction teaching aid |
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| CN106228874A (en) * | 2016-09-09 | 2016-12-14 | 合肥通用机械研究院 | SANYE Chaos Pendulum apparatus for demonstrating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106228874A (en) * | 2016-09-09 | 2016-12-14 | 合肥通用机械研究院 | SANYE Chaos Pendulum apparatus for demonstrating |
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