Energy conversion demonstration device

A technology of energy conversion and demonstration device, applied in the field of teaching and demonstration teaching aids, can solve few problems, achieve good demonstration effect and clear energy conversion process

Inactive Publication Date: 2014-12-24
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are few teaching aids that are suitable for students to analyze and un

Method used

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  • Energy conversion demonstration device
  • Energy conversion demonstration device
  • Energy conversion demonstration device

Examples

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Embodiment Construction

[0016] The present invention is composed of storage battery (1), hair dryer (2), generator (3), light-emitting diode (4), fan blade (5), buzzer (6), base (7), switch (8), Wire (9) forms. Among them, the storage battery (1), the hair dryer (2), and the switch (8) are electrically connected in series through a wire (9); the light-emitting diode (4) and the buzzer (6) are electrically connected in parallel through a wire (9). Afterwards, be connected to generator (3) two ends again, utilize generator (3) to supply power. When the switch (8) is turned on, the storage battery (1) supplies power to the hair dryer (2), making it blow out wind, and at the same time, the wind force pushes the fan blade (5) to rotate, thereby driving the small generator (3) to generate electricity, generating wind power Phenomenon.

[0017] During use, first turn on the switch (8) and use the storage battery (1) to supply power to the outside to illustrate that chemical energy is converted into electr...

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Abstract

The invention discloses an energy conversion demonstration device for physics teaching. The energy conversion demonstration device is composed of a storage battery, an electric air blower, an electric generator, a light emitting diode, blades, a buzzer, a base, a switch and a wire. When the energy conversion demonstration device is in use, it is shown that chemical energy is converted into electric energy when the storage battery supplies power outwards, it is shown that the electric energy is converted into mechanical energy when the electric air blower blows out wind, the wind pushes the blades to rotate to drive the small electric generator to generate electricity, the wind power generation phenomenon is produced, the mechanical energy (wind energy) is converted into the electric energy, then the light emitting diode emits light, in other words, the electric energy is converted into light energy, and meanwhile the electric energy enables the buzzer to produce a sound, in other words, electric energy is converted into sound energy. Due to the fact that the energy conversion demonstration device for physics teaching is used for demonstration and analysis, the mutual conversion rule of the various kinds of energy is mastered deeply, and students are well helped to analyze and understand the conversion process of the various kinds of energy.

Description

1. Technical field [0001] The invention relates to a teaching demonstration teaching aid, which is a teaching aid for helping students analyze and understand the laws of mutual transformation among various energies in nature in physics classroom teaching. 2. Background technology [0002] In physics classroom teaching, the content of energy conversion is more important, and it is difficult for students to analyze and understand. There are very few teaching aids that are suitable for students to analyze and understand the laws of mutual transformation between various energy in nature. 3. Contents of the invention [0003] The invention provides a teaching aid that can help students to better analyze and understand the law of mutual conversion between various energies in nature. The present invention is realized by the following technical solutions: [0004] The invention is a teaching demonstration teaching aid, which is composed of a storage battery, a hair dryer, a gene...

Claims

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Application Information

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IPC IPC(8): G09B23/06
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