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48results about "Audible meter reading indication" patented technology

Intelligent power supply

The invention discloses an intelligent power supply which at least comprises a power switching circuit, at least one sensor, a sound processor, a power supply running state processor, a storage unit and a loudspeaker. The power switching circuit is used for converting input voltage into direct current voltage; the sensor is used for sensing the running state of the power switching circuit and generating a corresponding sensing signal; the sound processor is used for processing sound data; the power supply running state processor is connected to the sensor and the sound processor, is used for receiving the sensing signal generated by the sensor and controls the sound processor to generate a corresponding output sound signal according to the sensing signal; the storage unit is connected with the sound processor and/or the power supply running state processor and used for storing sound data and/or program; and the loudspeaker is connected with the sound processor and used for receiving the output sound signal and generating corresponding sound. By adopting the intelligent power supply, the running condition of the power supply can be known, and a sound signal can be sent out when the power supply is unstable or abnormal, therefore, the unstable condition of the power supply can be easily known.
Owner:DELTA ELECTRONICS INC

Temperature and humidity online monitoring system

The invention provides a temperature and humidity online monitoring system which comprises a monitoring terminal, a data transmission module, a data acquisition module, a device control module and a power supply. The monitoring terminal is connected to the data transmission module and the power supply. The monitoring terminal includes an industrial control microcomputer. The data transmission module includes an RS485/RS232 adapter and a data transmitter. The data acquisition module is connected to the data transmitter of the data transmission module and the device control module. The data acquisition module includes a temperature sensor, a humidity sensor and a running status detector. The device control module includes an infrared transmitter, a serial control board, a sound and light alarm, air conditioning equipment and a dehumidifier. According to the temperature and humidity online monitoring system, the automatic adjustment of the temperature and humidity of a monitored place canbe achieved, and the equipment such as an air conditioner and the dehumidifier can be automatically controlled according to pre-set temperature and humidity requirements. At the same time, the remotemanual control of the operation of the equipment such as the air conditioner and the dehumidifier can be achieved, and the temperature and humidity of a monitored environment are adjusted manually.
Owner:中国人民解放军63981部队

Device for monitoring SF6 gas density and micro-water content on line

The invention belongs to the field of SF6 online monitoring devices, particularly relates to a device for monitoring SF6 gas density and micro-water content on line, and aims to solve the problems that an existing device for monitoring SF6 gas density and micro-water content sends out an alarm signal only when gas pressure of the device is reduced to an alarm value, cannot automatically respond intime according to conditions, and cannot achieve continuous monitoring. In order to solve the above problems, the scheme is provided as follows: the device for monitoring SF6 gas density and micro-water content on line comprises a gas storage tank and the alarm box, the alarm box is arranged on one side of the gas storage tank, one side of the gas storage tank is fixedly connected with a communicating U-shaped pipe, the other end of the U-shaped pipe communicates with one side of the gas storage tank, and the interior of the U-shaped pipe is provided with an air inlet assembly for air inlet.According to the invention, a small amount of gas is collected from the gas storage tank through a transmission assembly for detection, uninterrupted continuous detection can be realized, if the detection structure is normal, the equipment operates normally, and if the detection structure is abnormal, an alarm assembly is started to give an alarm and automatically cut off a power supply, the structure is simple, and the operation is convenient.
Owner:WENZHOU POLYTECHNIC

Intelligent electric bicycle traveling with sound

The present invention provides an intelligent type electric bicycle which runs with sound. A speed sensor is connected with a first signal processing circuit. A uniform speed awaking sound signal output by the first signal processing circuit is sent into a sound signal selection circuit; a digital speed signal and an acceleration signal which are output by the first signal processing circuit are sent into a second signal processing circuit. An acceleration awaking signal and a logic quantity signal showing whether the acceleration is provided which are output by the second signal processing circuit are sent into the sound selection circuit. The digital speed signal output by the first signal processing circuit is also sent into a third signal processing circuit. The signal of a changeover switch is input to the third signal processing circuit. A steering awaking signal and a the logic quantity signal showing whether steering or not which are output by the third signal processing circuit are sent into the sound signal selection circuit. The output end of the sound signal selection circuit is connected with a loudhailer, therefore, the electric bicycle running state is used as an input control quantity to be transferred into the sound by a processing unit to be expressed, and attention sound is sent out, which improves the safety of the electric bicycle.
Owner:张鸿欣
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