CN203376904U

CN203376904U - Demonstration device for physical energy change

Info

Publication number: CN203376904U
Application number: CN201320455782.9U
Authority: CN
Inventors: 董令国
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-30
Filing date: 2013-07-30
Publication date: 2014-01-01
Anticipated expiration: 2023-07-30

Abstract

The utility model relates to a demonstration device for physical energy change. The demonstration device comprises a water tank, a water pump in the water tank, a water pipe on the water pump, an impeller below the water pipe, a dc generator I connected with the impeller, an ammeter, a bulb, a photovoltaic panel, a motor III, a reel on an output shaft of the motor III, and a plumb and a heating wire fixed on the reel via a cotton thread, wherein each of the dc generator I and the photovoltaic panel is respectively connected with the ammeter, the motor III and the heating wire, and a thermometer is mounted beside the heating wire. The impeller is rotated under effect of geopotential of water current, so that the dc generator I is driven to rotate to generate electric energy; and the photovoltaic panel generates electric currents under illumination after the bulb is lightened, thereby demonstrating that geopotential and luminous energy are converted into the electric energy. The motor III is rotated to enable the reel to drive the plumb to rise, thereby demonstrating that the electric energy is converted into mechanical energy. The heating wire generates heat, thereby demonstrating that the electric energy is converted into heat energy.

Description

A kind of physical energy change demonstration device

Technical field

The utility model relates to the teaching aid technical field, is specifically related to a kind of energy conversion device.

Background technology

Need to use the transformation of various instruments used for education demonstrabilities in the physics lesson teaching, the energy conversion model that upper class hour need to be different for different environmental structures, waste time and energy, and wasted time in classroom.And the existing energy variation apparatus for demonstrating teaching demonstration that can not realize that multiple kinds of energy changes simple in structure.

Summary of the invention

The utility model, in order to overcome the deficiency of above technology, provides a kind of vivid physics lesson energy variation apparatus for demonstrating.

The utility model overcomes the technical scheme that its technical matters adopts:

This physical energy change demonstration device, comprise tank, be installed on water pump in tank, be installed on water pipe on water pump, be arranged at impeller, the Dyn. I that is connected in impeller, reometer, bulb, photovoltaic panel, motor II I under water pipe, be installed on reel on motor II I output shaft, by cotton thread, be fixed in vertical and the heating wire on reel, described Dyn. I and photovoltaic panel are connected to reometer, motor II I and heating wire by electric wire, and a thermometer is installed on by heating wire.

In order to realize the wind energy converting electrical energy, also comprise motor I and Dyn. II, flabellum I is installed on the output shaft of described motor I, flabellum II is installed on the output shaft of described Dyn. II, described flabellum I and flabellum II are oppositely arranged, and described Dyn. II is connected to reometer, motor II I and heating wire by electric wire.

In order to realize that mechanical energy is converted to electric energy, also comprise motor II, belt wheel II is installed on the output shaft of described Dyn. II, belt wheel I is installed on the output shaft of motor II, a belt is installed on I and belt wheel II.

The beneficial effects of the utility model are: water pump extracts the water in tank spray by water pipe, thereby the impeller that is positioned at its below rotates and drives Dyn. I to rotate the generation electric energy under the effect of the gravitional force of current, bulb lights rear photovoltaic panel generation current under the illumination effect, has therefore realized that gravitional force and luminous energy change the demonstration effect of electric energy into.The electric current that Dyn. I and photovoltaic panel produce can read registration by reometer, and electric current rotates motor II I or make heating wire produce heat.Motor II I rotates and makes reel drive vertical to rise, and has realized that electric energy changes the demonstration of mechanical energy into.Heating wire produces heat and can observe registration by thermometer, has therefore realized that electric energy changes the demonstration of heat energy into.

The accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

In figure, 1. tank 2. water pump 3. water pipe 4. impeller 5. Dyn. I 6. reometer 7. bulb 8. photovoltaic panel 9. motor I 10. flabellum I 11. belt 12. belt wheel I 13. motor II 14. Dyn. II 15. belt wheel II 16. flabellum II 17. reel 18. vertical 19. motor II I 20. thermometer 21. heating wire.

Embodiment

Below in conjunction with 1 pair of the utility model of accompanying drawing, be described further.

This physical energy change demonstration device, comprise tank 1, be installed on the water pump 2 in tank 1, be installed on the water pipe 3 on water pump 2, be arranged at the impeller 4 under water pipe 3, be connected in the Dyn. I5 of impeller 4, reometer 6, bulb 7, photovoltaic panel 8, motor II I19, be installed on the reel 17 on motor II I19 output shaft, be fixed in vertical 18 and the heating wire 21 on reel 17 by cotton thread, described Dyn. I5 and photovoltaic panel 8 are connected to reometer 6 by electric wire, motor II I19 and heating wire 21, it is other that one thermometer 20 is installed on heating wire 21.Water pump 2 extracts the water in tank 1 and passes through water pipe 3 and sprays, thereby the impeller 4 that is positioned at its below rotates and drives Dyn. I5 to rotate the generation electric energy under the effect of the gravitional force of current, bulb 7 lights rear photovoltaic panel 8 generation current under the illumination effect, has therefore realized that gravitional force and luminous energy change the demonstration effect of electric energy into.The electric current that Dyn. I5 and photovoltaic panel 8 produce can read registration by reometer 6, and electric current rotates motor II I19 or make heating wire 21 produce heat.Motor II I19 rotates and makes reel 17 drive vertical to rise, and has realized that electric energy changes the demonstration of mechanical energy into.Heating wire 21 produces heat and can observe registration by thermometer 20, has therefore realized that electric energy changes the demonstration of heat energy into.

This physical energy change demonstration device can also comprise motor I 9 and Dyn. II14, flabellum I10 is installed on the output shaft of described motor I 9, flabellum II16 is installed on the output shaft of described Dyn. II14, described flabellum I10 and flabellum II16 are oppositely arranged, and described Dyn. II14 is connected to reometer 6, motor II I19 and heating wire 21 by electric wire.Thereby after motor I 9 energising rotations, flabellum I10 rotates and produces air quantity, thereby the moving flabellum II16 rotation of wind makes motor II 14 rotate generation currents, can pass through reometer 6 readings, and drive motor III19 rotates or heating wire 21 heatings.Realize that wind energy is converted to electric energy, electric energy changes the presentation process of mechanical energy or heat energy again into.

This physical energy change demonstration device can also comprise motor II 13, and belt wheel II15 is installed on the output shaft of described Dyn. II14, and belt wheel I12 is installed on the output shaft of motor II 13, and a belt 11 is installed on I12 and belt wheel II15.Thereby can pass through reometer 6 readings thereby motor II 13 rotations drive belt 11 band movable belt pulley II15 to rotate Dyn. II14 rotation generation currents by belt wheel I12, and drive motor III19 rotation or heating wire 21 heatings.Realize that mechanical energy is converted to electric energy, electric energy changes the presentation process of mechanical energy or heat energy again into.

Claims

1. a physical energy change demonstration device, it is characterized in that: comprise tank (1), be installed on the water pump (2) in tank (1), be installed on the water pipe (3) on water pump (2), be arranged at the impeller (4) under water pipe (3), be connected in the Dyn. I (5) of impeller (4), reometer (6), bulb (7), photovoltaic panel (8), motor II I (19), be installed on the reel (17) on motor II I (19) output shaft, be fixed in vertical (18) and the heating wire (21) on reel (17) by cotton thread, described Dyn. I (5) and photovoltaic panel (8) are connected to reometer (6) by electric wire, motor II I (19) and heating wire (21), it is other that one thermometer (20) is installed on heating wire (21).

2. physical energy change demonstration device according to claim 1, it is characterized in that: also comprise motor I (9) and Dyn. II (14), flabellum I (10) is installed on the output shaft of described motor I (9), flabellum II (16) is installed on the output shaft of described Dyn. II (14), described flabellum I (10) and flabellum II (16) are oppositely arranged, and described Dyn. II (14) is connected to reometer (6), motor II I (19) and heating wire (21) by electric wire.

3. physical energy change demonstration device according to claim 2, it is characterized in that: also comprise motor II (13), belt wheel II (15) is installed on the output shaft of described Dyn. II (14), belt wheel I (12) is installed on the output shaft of motor II (13), and a belt (11) is installed on I (12) and belt wheel II (15).