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Electronic cradle used in physical experiment

A technology of electronic candles and physical experiments, which is applied in the direction of educational appliances, instruments, teaching models, etc., can solve the problems of poor light source stability and indoor air pollution, and achieve good light source stability and good teaching and demonstration effects

Inactive Publication Date: 2015-07-15
鹿寨县初级实验中学
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention is to provide an electronic candle for physical experiments, so as to solve the problem that the light source used in the existing physical experiments is candle light source, which has poor stability and pollutes the indoor air.

Method used

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  • Electronic cradle used in physical experiment

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Embodiment Construction

[0009] Below in conjunction with accompanying drawing example the present invention is described in further detail:

[0010] Such as figure 1 The shown electronic candle for physical experiments includes a candle body 2, a core 3 is installed inside the candle body 2, a chamber for placing a battery 4 is opened in the core body 3, and a spring 5 is installed at the bottom of the chamber. , the top of the core body 3 is equipped with a lamp holder 3-2 communicating with the chamber through a conductor block 3-1, and a candle lamp 1 protruding from the candle body 2 is installed on the lamp holder 3-2, and the candle lamp 1 is red LED lamp; the side wall of the core body 3 is provided with a battery cover 9; a screw rod 6 is installed at the bottom of the core body 3, and the two ends of the screw rod 6 are all provided with a section of threaded section, and one end of the screw rod 6 of the present embodiment passes through the screw thread first. Connect with the core body 3...

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Abstract

The invention discloses an electronic cradle used in a physical experiment and relates to the technical field of manufacturing of teaching aids. The electronic cradle comprises a cradle body, wherein a core body is mounted in the cradle body; a chamber for accommodating a battery is formed in the core body; a spring is arranged at the bottom of the chamber; a lamp holder communicated with the chamber through a guide body block is arranged at the top of the core body; a cradle lamp extending out of the cradle body is mounted on the lamp holder; the core body is connected with a base through a screw rod arranged at the bottom. Compared with the prior art, the electronic cradle disclosed by the invention can solve the problem that an existing light source used in the physical experiment is a cradle, is poor in stability and pollutes indoor air.

Description

technical field [0001] The invention relates to the technical field of teaching appliance manufacturing, in particular to an electronic candle used in convex lens imaging experiments and plane mirror experiments. Background technique [0002] Convex lens imaging experiments and plane mirror experiments are important physical experiments in middle school textbooks. At present, in teaching, for clear imaging, the light source used in physical experiments such as convex lens imaging experiments and plane mirror experiments is candles. Using candles as light sources has the following shortcomings: 1. In the experiment, the curtains of the classroom should be closed. The gas and black smoke produced by the burning of candles will pollute the indoor air; The height of the image of the flame is inconvenient to measure, and the position of the clearest image is not easy to determine; 3, the paraffin wax dripped on the desktop and the ground is difficult to clean up. Contents of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/22
CPCG09B23/22
Inventor 杜记征陈运姣
Owner 鹿寨县初级实验中学
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