Electronic component automatic counting system

• Main Authors: XIAO XUHUI, CAO PEIFU
• Format: Patent
• Language: Chinese; English
• Published: 29.01.2021
• Subjects: BASIC ELECTRONIC CIRCUITRY; CALCULATING; COMPUTING; COUNTING; COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR; ELECTRICITY; PHYSICS; PULSE TECHNIQUE

The invention provides an electronic component automatic counting system, which comprises an infrared transmitting circuit and an infrared receiving circuit, and is characterized in that the infraredtransmitting circuit consists of a capacitance positive feedback type modulation oscillator circuit, a 40kHz pulse oscillator and a driving circuit; the capacitance positive feedback type modulation oscillator circuit is composed of a first diode, a second diode, a first resistor, a second resistor and a first capacitor in a NAND gate integrated circuit. the driving circuit is composed of a fifthdiode, a sixth diode, a fifth resistor, a fifth resistor, a first transistor and an infrared light-emitting diode in the NAND gate integrated circuit. The system is simple in circuit, easy to manufacture and good in on-site use effect. 本发明提供一种电子元件自动计数系统，它包括有红外线发射电路以及红外接收电路，红外线发射电路由电容正反馈式调制荡器电路、40kHz脉冲振荡器和驱动电路组成，其中，电容正反馈式调制振荡器电路由与非门集成电路内部的第一二极管、第二二极管以及第一电阻、第二电阻、第一电容器组成；驱动电路由与非门集成电路内的第五二极管、第六二极管以及第五电阻、第五电阻、第一晶体管、红外发光二极管组成。本发