The invention relates to a demonstrator with a time delay of 10 seconds, which comprises a time base circuit, a relay, a resistor, a capacitor, a diode, a key, a socket and a lamp holder. The resistor comprises a resistor R1, a resistor R2 and a resistor 3. The capacitor comprises a capacitor C1 and a capacitor C2. The key is sb, the negative pole of the circuit is GND, the positive pole of the circuit is VCC, and one end of the key sb is connected Resistor 1 is connected to positive VCC, and the other end is connected with time base circuit, relay and positive VCC in turn. The time base circuit is NE555 integrated block. After resistor R2 and R3 are connected in series, one end is connected with positive pole of capacitor C1 together with time base circuit 2 and 6 pins, and the other end is connected with negative pole of capacitor C1 together with GND; a working circuit is formed to form a 10 second time delay device. The circuit of the invention is simple, the cost is low, the working performance is stable, the operation is convenient, the demonstration light is bright, intuitive, the teaching effect is good, and the invention has certain use market and promotion value.
【技术实现步骤摘要】
延时10秒钟时间的演示器
本专利技术涉及一种电子领域的自动控制延时电路,特别涉及一种延时10秒钟时间的演示器。
技术介绍
延时器的延时功能是电子电路设计中常用的,它能起到设计电路的稳定性和可靠性,目前在普通中学通用技术课教学和电子科技实践活动中,缺少这方面的仪器,因而专利技术一种延时10秒钟时间的演示器。
技术实现思路
本专利涉及一种延时10秒钟时间的演示器,包括时基电路、继电器、电阻器、电容器、二极管、按键、插座和灯座,所述电阻器包括电阻器R1、电阻器R2,电阻器3,电容器包括电容器C1、电容器C2,按键为SB,电路的负极为地GND,电路的正极为VCC,所示按键SB一端连接电阻器1到正极VCC,另一端和时基电路、继电器、正极VCC依次连接,所述时基电路为NE555集成块,电阻器R2与R3串联后一端与电容器C1的正极一同与时基电路2、6脚相接,另一端和电容器C1负极一并与地GND相接,时基电路NE555的4、8脚与电路VCC相连接,时基电路NE555的1脚与电路GND相连接,NE555的5脚连接电 ...
【技术保护点】
1.一种延时10秒钟时间的演示器,包括时基电路、继电器、电阻器、电容器、二极管、按键、插座和灯座,其特征在于所述电阻器包括电阻器R1、电阻器R2,电阻器3,电容器包括电容器C1、电容器C2,按键为SB,电路的负极为地GND,电路的正极为VCC,所示按键SB一端连接电阻器1到正极VCC,另一端和时基电路、继电器、正极VCC依次连接,所述时基电路为NE555集成块,电阻器R2与R3串联后一端与电容器C1的正极一同与时基电路2、6脚相接,另一端和电容器C1负极一并与地GND相接,时基电路NE555的4、8脚与电路VCC相连接,时基电路NE555的1脚与电路GND相连接,NE555 ...
【技术特征摘要】
1.一种延时10秒钟时间的演示器,包括时基电路、继电器、电阻器、电容器、二极管、按键、插座和灯座,其特征在于所述电阻器包括电阻器R1、电阻器R2,电阻器3,电容器包括电容器C1、电容器C2,按键为SB,电路的负极为地GND,电路的正极为VCC,所示按键SB一端连接电阻器1到正极VCC,另一端和时基电路、继电器、正极VCC依次连接,所述时基电路为NE555集成块,电阻器R2与R3串联后一端与电容器C1的正极一同与时基电路2、6脚相接,另一端和电容器C1负极一并与地GND相接,时基电路NE555的4、8脚与电路VCC相连接,时基电路NE555的1脚与电路GND相连接,NE555的5脚连接电容器C3的一端,电容器C3的另一端与电路GND相连接,组成...
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