説明
Hand Crank Generator for STEM Classroom Science Experiment, Clear Energy Conversion Model Adjustable Speed
Electro Induction School Teaching Instrument for Conversion into Electrical Energy
Product overview
A compact handson device designed for primary school student experiments that demonstrates conversion of mechanical energy into electrical energy. The unit is made by ABS molding and contains a small generator that produces electrical output when the handle is rotated and the internal gears turn.
Key benefits
Clear demonstration of electromagnetic induction for young students, making abstract concepts tangible through manual operation.
Simple mechanics: turning the handle rotates small gears and drives the generator, allowing students to focus on cause and effect.
Durable ABS construction for repeated classroom use and easy cleaning.
Portable and easy to set up, suitable for individual experiments or small group activities.
Manual power source eliminates the need for external power supplies during demonstrations.
How it works
The device demonstrates electromagnetic induction. Mechanical energy from turning the handle is transferred through gears to a small generator. Relative motion between magnetic fields and conductive coils inside the generator induces an electric current. Students can observe how changing mechanical input affects the electrical output.
Improving conversion and experiment ideas
To show or increase the electrical output in experiments, try controlled changes such as:
Increase rotation speed of the handle to produce a larger induced voltage.
Change gear speed or use different gear ratios to explore torque versus speed tradeoffs.
Reduce friction in moving parts and ensure smooth gear engagement for better mechanicaltoelectrical transfer.
Improve contact quality and wiring connections in the test circuit to minimize losses.
These adjustments help students investigate factors that affect conversion efficiency without altering the core unit.
Key attributes
Function: Converts manual mechanical rotation into electrical output for classroom experiments.
Intended use: Designed for primary school student experiments and STEM teaching activities.
Material: ABS molded housing for durability and consistent appearance.
Operation: Manual handle rotation drives small internal gears and the generator.
Compatibility: Suitable for use with basic classroom measurement tools such as voltmeters, ammeters, and simple load components for experiment setups.
Practical applications and scenarios
Classroom demonstration: Teacherled demonstration of electromagnetic induction with student volunteers operating the handle while classmates observe meters or indicator lights.
Student lab activity: Small groups measure how rotation speed and gear settings change voltage and current, then record and compare results.
Science fair project: A student presentation that uses the device to show the relationship between mechanical input and electrical output, illustrating core STEM principles.
This instrument provides a straightforward, repeatable way to teach and explore the conversion of mechanical energy into electrical energy in primary school settings.
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Fruugo ID:
466067575-979215336
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EAN:
6163018119431