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169 results about "Digital thermometers" patented technology

Movable real-time multipoint temperature acquisition device for dam

The invention relates to a movable real-time multipoint temperature acquisition device for a dam. The movable real-time multipoint temperature acquisition device for the dam comprises interpolating digital temperature measurement devices 1 arranged in a water inlet pipe and a water outlet pipe of each set of cooling water pipe, digital thermometers 2 embedded in respective points of a concrete block in pouring, a temperature acquisition device 3, and a server 4 used for receiving data collected by the temperature acquisition device 3, wherein the temperature acquisition device 3 comprises a data acquisition line 5, an acquisition control module 6, a power supply 7, a cache module 8, a wireless communication module 9 and a waterproof and moisture-proof case 10 and uploads temperature data to the server 4 wirelessly. According to the movable real-time multipoint temperature acquisition device for the dam, the temperature acquisition device 3 is used for collecting temperature data of concrete, inlet/outlet water and the digital thermometers 2 embedded in respective points of the concrete block, and one temperature acquisition device can access over 128 temperature spots, so that the temperature measurement requirement in the concrete cooling project is satisfied; and meantime the simpleness and the convenience are achieved in wiring, the convenience is brought for installation and the movement, and real-time, fast and accurate temperature measurement is achieved.
Owner:CHINA THREE GORGES CORPORATION +1

Layout method of a comparator array for flash type analog to digital converting circuit

InactiveUS6891494B2Prevent an offset voltage of comparators from being increasedElectric signal transmission systemsAnalogue-digital convertersDigital thermometersVoltage reference
The present invention discloses a layout method of a comparator array of a flash type analog to digital converting circuit. The flash type analog to digital converting circuit includes a reference voltage for generating 2n −Ivoltages and being arranged to be folded; a comparator array including (2n−1) comparators for comparing voltage differences between the respective 2n −Ivoltages and an analog input signal to generate a digital thermometer code having (2n−1) bits and an encoder for encoding the digital thermometer code having (2n−1) bits to generate an n-bit digital signal. The layout method of the flash type analog to digital converting circuit comprises arranging the comparators such that the comparators of (2n−1)th comparator to (2n / 2)th comparator are arranged in order and the comparators of (2n / 2−1)th comparator to a first comparator are arranged in reverse fashion between the comparators of the (2n−1)th comparator to the (2n / 2)th comparator; and arranging the comparators such that the neighboring comparators adjacent to the respective (2n−1) comparators remain at to the same state when the (2n−1)th comparator to the (2n / 2)th comparator transit to different states respectively. Therefore, increasing of an offset voltage due to the effects of the neighboring comparators is prevented without increasing a layout area size.
Owner:SAMSUNG ELECTRONICS CO LTD

Micro-power consumption intelligent digital thermometer and temperature measurement method

InactiveCN103759850AExtend your lifeTo achieve the purpose of micro power consumption of the thermometerThermometers using electric/magnetic elementsUsing electrical meansDigital thermometersComputer module
The invention provides a micro-power consumption intelligent digital thermometer and a temperature measurement method, and belongs to the field of industrial temperature measurement equipment. The micro-power consumption intelligent digital thermometer is characterized by comprising a power supply unit and a data processing unit, wherein the data processing unit comprises a biased sampling module, an AD conversion module, a central processing unit and a display module, and the biased sampling module, the AD conversion module, the central processing unit and the display module are sequentially connected. The temperature measurement method includes the following steps that 1, a system is initialized; 2, the biased sampling module is started; 3, AD sampling is started; 4, the central processing unit judges whether sampling is finished; 5, the biased sampling module is cut off; 6, AD conversion is started; 7, the central processing unit judges whether conversion is finished; 8, AD hibernation is conducted; 9, data reading and filtering are carried out; 10, AD cutoff is performed; 11, data calculation and table look-up are carried out; 12, the display module carries out displaying; 13, a refresh time judgment is displayed; 14, the central processing unit hibernates; 15, the central processing unit judges whether hibernation time is reached. The micro-power consumption intelligent digital thermometer has the advantages of micro power consumption, high precision and good stability.
Owner:深圳市乐尔康电子科技有限公司

Calibration method of digital display thermometer based on intelligent mobile terminal

The invention provides a calibration method for a digital display thermometer based on an intelligent mobile terminal, and the method comprises the steps: calling the camera of the mobile intelligentterminal to shoot a real-time display value of a to-be-calibrated digital thermometer, carrying out the communication with a corresponding temperature standard through a wireless network, and obtaining a temperature display value of temperature standard corollary equipment; recognizing the obtained picture through an image recognition module, calibrating a digital display type temperature measuring instrument through adoption of a comparison method, and automatically obtaining a calibration result; and finally transmitting all the data to a server, and storing the data. According to the calibration method of the digital display thermometer based on the intelligent mobile terminal, the real-time display value of the to-be-calibrated digital thermometer is acquired through photographing, automatic acquisition, recording and calculation of the real-time display value of the to-be-calibrated digital thermometer are realized, the data acquisition efficiency during metering can be effectively improved, and errors and mistakes generated in the process are reduced; and meanwhile, all results are recorded by photos, so that the results can be traced back.
Owner:NAT INST OF METROLOGY CHINA +1
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