CN2876947Y - 一种光合作用演示仪 - Google Patents

一种光合作用演示仪 Download PDF

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CN2876947Y
CN2876947Y CN 200620089593 CN200620089593U CN2876947Y CN 2876947 Y CN2876947 Y CN 2876947Y CN 200620089593 CN200620089593 CN 200620089593 CN 200620089593 U CN200620089593 U CN 200620089593U CN 2876947 Y CN2876947 Y CN 2876947Y
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李铁岩
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Abstract

一种光合作用演示仪，属于教学用具，包括有一个面板，其特征在于所述的面板上粘接有表示植物的叶、茎、根、果实的造型块，还有表示水、二氧化碳、氧的字母块，植物的茎、根、果实的造型块之间设有通槽，各字母块与植物的叶造型块之间设有引导线槽，所述的通槽和引导线槽内均设有用颜色表示其属性的发光二极管，其中表示水和二氧化碳的发光二极管之间串联为一组，表示植物和水的发光二极管之间串联为一组，两组之间并联后与电源、开关组成控制电路。本实用新型的可操作性强，以动感的形式显示在光合作用时光和二氧化碳反应生成氧气的实验过程，便于学生自已动手实验，有利于提高学生的兴趣和动手能力。

Description

一种光合作用演示仪
技术领域
本实用新型涉及一种教学用具，特别是涉及一种利用简单电路根据光合作用的原理制作的光合作用演示仪，是对现有中学生物教学用具品种的补充，属于文教用品范畴。
背景技术
目前，人们所用的教学用具很多，但都功能单一，只是针对各自需要展示的内容而设计的。在中学阶段的生物课上光控演示光合作用的教学用具更是空白，教师在讲解上述概念时只能泛泛的讲，缺乏学生动手实验的机会，不能调动学生主动参与的积极性，无助于培养学生分析问题和解决问题的能力，从而给教学带来一定困难，甚至影响到学生成绩和学习兴趣。
实用新型内容
本实用新型的目的在于克服现有技术存在的上述不足，通过研究改进，给出一种利用简单电路根据光合作用的原理制作的光合作用演示仪，这种新型的教学用具结构简单，可操作性强，以动感的形式显示光和二氧化碳反应生成氧气的实验过程，更便于学生自己动手实验，既有利于教师快捷地完成教学任务，又提高了学生学习的兴趣和动手能力，对培养学生分析问题和解决问题的能力大有帮助。
本实用新型给出的技术方案是：这种光合作用演示仪，包括有一个面板，其特点是所述的面板上粘接有表示植物的叶、茎、根、果实的造型块，还有表示水、二氧化碳、氧的字母块，植物的茎、根、果实的造型块之间设有通槽相连接，各字母块与植物的叶造型块之间设有引导线槽，所述的通槽和引导线槽内均设有用颜色表示其属性的发光二极管，其中表示水和二氧化碳的发光二极管之间串联为一组，表示植物和水的发光二极管之间串联为一组，两组之间并联后与电源、开关组成控制电路。
与现有技术相比，本实用新型的有益效果是：结构简单，可操作性强，以动感的形式显示光和二氧化碳反应生成氧气的实验过程，更便于学生自己动手实验，既有利于教师快捷地完成教学任务，又提高了学生学习的兴趣和动手能力，对培养学生分析问题和解决问题的能力大有帮助。
附图说明
图1为本实用新型给出的实施例的结构示意图；
图2为本实用新型的控制电路原理图。
具体实施方式
如附图所示，这种光合作用演示仪，包括有一个面板1，所述的面板1上粘接有表示植物的叶2、茎3、根4、果实5的造型块，还有表示水6、二氧化碳7、氧8的字母块，植物的茎3、根4、果实5的造型块之间设有通槽相连接，各字母块与植物的叶2造型块之间设有引导线槽，通槽和引导线槽内均设有用颜色表示其属性的发光二极管，其中表示水6的黄色发光二极管和表示二氧化碳7的粉色发光二极管之间串联为一组，表示植物和氧8的红色发光二极管之间串联为一组，两组之间并联后与电源9、开关10组成控制电路。
演示时，先按下开关10，使表示水6的黄色发光二极管和表示二氧化碳7的粉色发光二极管先闪亮，随后表示植物和氧8的红色发光二极管也闪亮，以期说明参与光合作用的各种物质的运输途径或来源。

Claims (1)

1.一种光合作用演示仪，包括有一个面板，其特征在于所述的面板上粘接有表示植物的叶、茎、根、果实的造型块，还有表示水、二氧化碳、氧的字母块，植物的茎、根、果实的造型块之间设有通槽，各字母块与植物的叶造型块之间设有引导线槽，所述的通槽和引导线槽内均设有用颜色表示其属性的发光二极管，其中表示水和二氧化碳的发光二极管之间串联为一组，表示植物和水的发光二极管之间串联为一组，两组之间并联后与电源、开关组成控制电路。
CN 200620089593 2006-03-07 2006-03-07 一种光合作用演示仪 Expired - Fee Related CN2876947Y (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103456227A (zh) * 2012-05-31 2013-12-18 飞学金 输导作用电动图解

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103456227A (zh) * 2012-05-31 2013-12-18 飞学金 输导作用电动图解

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