| 主权项 |
1. an ultraviolet detection system, comprising,
a Bluetooth MCU control unit, a Bluetooth antenna impedance matching unit, and an ultraviolet detection unit having an ultraviolet sensor, the Bluetooth antenna impedance matching unit including an IC matching circuit and a terminal matching circuit, the Bluetooth MCU control unit being used to do analog to digital (AD) testing, LED controlling, and antenna impedance matching; wherein exposure of the ultraviolet detection unit being to light, an ultraviolet photoelectric diode, composed of a top silicon and located inside the ultraviolet detection unit, producing a current corresponding to radiation intensity of ultraviolet radiation of the light, wherein current of an operational amplifier of the ultraviolet detection unit forms an output voltage corresponding to the current, the output voltage is transmitted to the Bluetooth MCU control unit, and the Bluetooth MCU control unit samples electrical signals, the Bluetooth MCU control unit is used to do AD sampling and testing, receiving and sending data signal, logic controlling, the Bluetooth antenna impedance matching unit is matched with the Bluetooth MCU control unit, and partly matched with an on board antenna of the Bluetooth antenna impedance matching unit, wherein the ultraviolet detection unit is a silicon product formed by an SOI technology, the SOI technology is a buried oxide layer being sandwiched between a top silicon layer and a substrate. |
