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Experiment table for teaching and demonstration

A technology of experimental benches and experimental instruments, applied in the direction of laboratory stools/lab benches, etc., can solve the problems of not being able to see the circuit instruments and meter readings, students being unable to see the experimental results, affecting the quality and effect of teaching, and achieving experimental The effect of high position, improvement of teaching quality and effect, high promotion value and social value

Inactive Publication Date: 2009-02-25
郝建波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the relatively low position of the experiment, students usually cannot see the process of the experiment and the teacher's operation clearly during the experiment, and students who are far away from the platform cannot see the experimental results clearly; especially when conducting physical experiments, students cannot see the circuit connection and the readings of instruments and meters; during chemical experiments, students cannot see the experimental process and experimental phenomena, which will affect the quality and effect of teaching

Method used

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  • Experiment table for teaching and demonstration
  • Experiment table for teaching and demonstration
  • Experiment table for teaching and demonstration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] 1—Experiment bench body, 21, 22, 23, 24—suction cup, 3—jack, 4—vent valve, 5—base, 6—suction lip, 7—anti-slip block, 8—button switch, 9—ventilation hole , 10—vacuum pump, 11—motor, 12—power board, 13—socket, 14—terminal, 15—adjustment knob, 16—elastic member, 17—support rod, 18—arc plug, 19—exit slide tube, 20—clamp, K1, K2, K3, K4—normally closed contacts, T—double output transformer, D1, D2—rectifier full bridge.

[0025] best practice, such as figure 1 , figure 2 As shown, a kind of teaching demonstration experiment platform comprises experiment platform body 1, and experiment platform body 1 is a square wooden plank, and each of the four corners on the back of experiment platform body 1 is fixedly provided with a suction cup, respectively suction cup 21, suction cup 22, suction cup 23, suction cup 24, 24 evenly distributed jacks 3 are drilled on the test bench body 1, a vacuum pump 10 is installed on the back side of the test bench body 1, and the front of the te...

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Abstract

The present invention discloses a teaching lecture experimental table comprising an experimental table body which is provided with fixed suction cup and a plurality of jacks, a tommy bar which is used for supporting laboratory apparatus and is arranged inside of the jack and is directly adhered to the teaching blackboard by means of suction cup. When lecturing the experiment, all the apparatus are placed on the tommy bar of the experimental table and the experimental position is higher, so that the experimental operation process can be intuitionistic displayed and the students can see the experimental phenomenon, the instrument state and the meter reading distinctly so as to improve teaching quality and effect, thereby the present invention has higher popularization value and social value.

Description

technical field [0001] The invention relates to a teaching demonstration experiment platform, which belongs to the field of teaching instruments. Background technique [0002] At present, when school teachers do demonstration experiments in teaching, they generally do it on the podium. Due to the relatively low position of the experiment, students usually cannot see the process of the experiment and the teacher's operation clearly during the experiment, and students who are far away from the podium cannot see the experimental results clearly; especially when conducting physical experiments, students can't see the connection of the circuit and the readings of instruments and meters; during chemical experiments, students cannot see the experimental process and experimental phenomena clearly, which will affect the quality and effect of teaching. Contents of the invention [0003] The purpose of the present invention is to provide a teaching demonstration experiment platform ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01L9/02
Inventor 郝建波
Owner 郝建波
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