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177results about How to "Curb waste" patented technology

Indoor wireless energy transmission system and wireless energy transmission method

The invention discloses an indoor wireless energy transmission system and a wireless energy transmission method. The energy transmission system comprises a power receiving end and a power transmitting end, wherein the power transmitting end is composed of a power transmitting array, a signal analysis circuit, a signal processing module, a variable power amplifier and a power monitoring module; the power transmitting array in a receiving mode is sequentially connected with the signal analysis circuit, the signal processing module, the variable power amplifier and the power monitoring module; the power transmitting array in a transmitting mode is connected with the variable power amplifier; and the power receiving end is composed of multiple to-be-charged devices, and each to-be-charged device is composed of an energy receiving antenna and a rectifier circuit. The problems that the traditional method of using electromagnetic wave propagation for wireless energy transmission is only applied to a power transmitting array formed by antennas by regularly-arranged units with the same structure, single-frequency operation exists, the multi-target beam optimization time is long, serious interference is generated to a device in no need of charging, and safety of a person, an animal, a plant and a device in no need of charging in the energy transmission space can not be ensured can be solved.
Owner:SOUTH CHINA UNIV OF TECH

Face recognition toilet paper robot and use method thereof

The invention provides a face recognition toilet paper robot. The robot comprises at least one face recognition module (1), a standing recognition mark (2), at least one text language prompt module (3), at least one code scanning paid area (4), at least one paper outlet (5) and a toilet paper replacement mechanism; the face recognition modules (1) are used for identifying the facial features of people taking free toilet paper and storing the facial features in a specific database, and then people with the same facial features cannot take the free toilet paper any more within the specific time; the standing recognition mark (2) is stuck to the portion, a certain distance away from the wall surface, of the front end, and therefore a clear face recognition area is defined; the text language prompt modules (3) prompt whether face recognition succeeds or not and whether a section of toilet paper with the fixed length is provided or not; on the condition that the toilet paper is still needed within the specific time after the free toilet paper is taken, the paid toilet paper of the certain length is taken by adopting multiple payment methods; after a text or voice prompt module prompts that paper is discharged, the toilet paper of a specified length is discharged from the paper outlets (5); the toilet paper replacement mechanism is used for replacing the toilet paper according to the use condition of the toilet paper. The invention further provides a use method of the face recognition toilet paper robot.
Owner:北京大号环境技术有限公司

Monitoring device, and garbage can management method and apparatus

The invention is suitable for the technical field of intelligent devices and provides a monitoring device and a garbage can management method and apparatus. The device comprises a sensor module, a transfer node and a server, wherein the sensor module detects a garbage height in each garbage can and sends the first garbage height to the transfer node through a communication module when the first garbage height is not changed; the transfer node packages each first garbage height sent by the sensor module, current time and weather of that day to generate a garbage information package, and sends the garbage information package to the server; and the server determines garbage collection and transportation time, garbage collection and transportation routes and a quantity of garbage collection and transportation vehicles in each garbage collection and transportation route according to pre-stored position coordinates of each garbage can, vehicle types of the garbage collection and transportation vehicles, single vehicle loading capacity of the garbage collection and transportation vehicles and the garbage information package. The garbage collection and transportation time, the garbage collection and transportation routes and the quantity of the garbage collection and transportation vehicles are planned according to real-time conditions of all garbage cans, so that the resource waste is suppressed and the operation cost is reduced.
Owner:SHENZHEN SHENGLU IOT COMM TECH CO LTD

Cold and heat metering isenthalpic difference calibration weighting method for central air-conditioning fan coil

InactiveCN101995264AEasy to measureSolve the problem of fairness in heat cost sharingTariff metering apparatusCalorimeterEngineeringWind speed
The invention relates to a cold and heat metering isenthalpic difference calibration weighting method for a central air-conditioning fan coil, comprising the following steps of: calibrating the weighted values of the fan coil at various air speeds on site; determining the thermal equivalents of the fan coil at various air speeds according to the weighted values; determining the heating cost of the fan coil according to the thermal equivalents at various air speeds, wherein the calibration of the weighted values comprises the following steps of: inputting the total heat corresponding to the high air speed, the medium air speed and the low air speed through looking up a product specification of the fan coil into a metering temperature controller; imbedding the weighted value of the fan coil under the fan stop status into the metering temperature controller; embedding the time of starting the calibration and the time of stopping the calibration into the metering temperature controller; controlling temperature by the metering temperature controller through automatically regulating the air speed of the coil fan; and after the calibration is ended, automatically generating the weighted values of the fan coil corresponding to the high air speed, the medium air speed and the high air speed through the metering temperature controller. The invention makes the fan coil metering simple and easy to implement, can realize the same comfort level and the same cost and can restrain the waste phenomenon of windowing and the like.
Owner:张帆
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