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1.发明授权公开(公告)号：US12093624B2
公开(公告)日：2024-09-17
申请号：US17265152
申请日：2019-06-25
发明人： Jean-Paul Kremer , Udo Hallmann
IPC分类号： G06F30/36 , G01K7/42 , G06F111/10 , G06F119/08
CPC分类号： G06F30/36 , G01K7/42 , G06F2111/10 , G06F2119/08
摘要： Semiconductor modules are used for controlling drive motors such as the electric motors of electric vehicles. IGBT modules are one type of such semiconductor modules. During operation, heat losses arise in the power transistors and the diodes of the semiconductor modules, which causes an increase in their temperature. Therefore, the manufacturers of the IGBT modules recommend that the software of a control unit that controls an IGBT module be provided with a protective function which continuously monitors the temperature of the IGBT module and intervenes as necessary if an unacceptable temperature of a component of the IGBT module is reached. A temperature model is used for the calculation. The manufacturers provide a more accurate higher-order temperature model that however causes an increased amount of computation. According to the proposal, a reduced temperature model is used that is calculated using the balanced truncation method and is optimized for certain working ranges.
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公开(公告)号：US12061125B2
公开(公告)日：2024-08-13
申请号：US17011864
申请日：2020-09-03
发明人： Chia-Ming Hu , Chung-Kuang Chen , Chia-Ching Li , Chien-Fu Huang
摘要： An integrated circuit includes a memory and peripheral circuits with a temperature sensor used to automatically adjust operating voltages. The temperature sensor includes a reference circuit that generates a first reference with a first non-zero temperature coefficient and a second reference with a second temperature coefficient having a different magnitude than the first non-zero temperature coefficient. A detector circuit on the integrated circuit, having temperature and process variation compensation, converts a difference between the first and second references into a digital signal indicating temperature on the integrated circuit.
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公开(公告)号：US12050141B2
公开(公告)日：2024-07-30
申请号：US17049817
申请日：2019-04-19
IPC分类号： G01K7/42 , G01K13/024
CPC分类号： G01K7/42 , G01K13/024
摘要： A method for processing a measurement signal T1 of a temperature delivered by a sensor includes: digitally modeling, by a modeled signal T2, the temperature measured by the sensor; and estimating a lag error signal for this sensor, based on the modeled signal T2 and of a signal T3 obtained by filtering the modeled signal, the filtering being parameterized by an estimate of a time constant of the sensor. A temperature signal is obtained by adding to a signal T4, derived from the measurement signal T1, the product of a real parameter K and a signal resulting from the subtraction of the signal T4 from the modeled signal T2. The value of the parameter K applied during the obtaining step varies over time and depends on the value of the estimated lag error signal.
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公开(公告)号：US11976986B2
公开(公告)日：2024-05-07
申请号：US17918091
申请日：2021-07-02
发明人： Fang Li , Tianping Shen
摘要： A predictive electronic thermometer circuit structure capable of temperature compensation is provided, including: a compensation module, a thermometer circuit, and a liquid crystal display (LCD) drive module. The thermometer circuit includes a temperature measurement oscillation circuit and a real measurement module. The compensation module and the real measurement module are connected in parallel between the temperature measurement oscillation circuit and the LCD drive module. The predictive electronic thermometer circuit structure controls the on and off of the compensation module and the real measurement module through a combination logic control switch respectively. When the compensation module is off and the real measurement module is on, an actual measured data is output. When the real measurement module is off and the compensation module is on, a temperature value is output after predictive compensation. The electronic thermometer has a temperature compensation function, and measures the temperature quickly and accurately.
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公开(公告)号：US20240077366A1
公开(公告)日：2024-03-07
申请号：US18357675
申请日：2023-07-24
发明人： Yuichi ITO , Kazuhiro MATSUNAMI
摘要： A semiconductor device includes an integrated circuit having a first resistor configuring a voltage divider circuit, a sensing resistor configured to measure a sheet resistance having a same attribute as that of the first resistor, a temperature detection circuit configured to detect a value of a first temperature, a storage circuit configured to store a table including first information for each of a plurality of values of the first temperatures, the first information corresponding to a sheet resistance of the first resistor obtained based on a result of measurement of the sensing resistor, and indicating a relationship between a second temperature and a divided voltage of the voltage divider circuit at the second temperature, and an arithmetic circuit configured to obtain the second temperature, based on the first information at the value of the first temperature detected by the temperature detection circuit and the divided voltage.
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6.发明授权公开(公告)号：US11920965B2
公开(公告)日：2024-03-05
申请号：US17013676
申请日：2020-09-07
申请人： ABB Schweiz AG
发明人： Joerg Gebhardt , Guruprasad Sosale , Andreas Decker , Wilhelm Daake , Juergen Horstkotte , Peter Ude , Paul Szasz , Ulf Ahrend
IPC分类号： G01F1/688 , G01K13/02 , G01K7/42 , G01K13/024
CPC分类号： G01F1/6884 , G01K13/02 , G01K7/427 , G01K13/024
摘要： A method for determining a temperature of a fluid flowing through a pipe section includes: determining a temperature of the pipe section; obtaining a reference temperature at a distance from a surface of the pipe section; determining a heat transfer behaviour, in particular a thermal resistance, of a boundary layer of the fluid on an inner wall of the pipe section based on at least one material property and/or at least one value of a state variable of the fluid; and determining the temperature of the fluid based on the heat transfer behaviour of the boundary layer, a heat transfer behavior, in particular a thermal resistance, of the pipe section, the temperature of the pipe section, and the reference temperature.
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7.发明公开公开(公告)号：US20240068884A1
公开(公告)日：2024-02-29
申请号：US18267772
申请日：2022-01-12
发明人： Shigenao MARUYAMA , Yuya ISEKI , Takuma KOGAWA , Takashi NONAKA , Yasushi HOSOKAWA , Takahiro OKABE , Yutaro TABATA , Tadashi MATSUDATE , Toshinori NAKAJIMA , Masaya HIGASHI , Manabu ORITO
摘要： A thermosensitive part sensing temperature; a temperature sensor for measurement provided in the unit and measuring temperature by contacting the unit with a body to be measured; a temperature detecting part detecting, from when the unit contacts the body, the time when the sensor senses a difference from an initial temperature of the sensor, and a measured temperature of the sensor at that time, and detecting, from when the difference is sensed, a time after a certain length of time and a measured temperature of the sensor at that time; an estimating part estimating, from the time when the difference is sensed and a time after a certain length of time, the time when the thermosensitive part contacts the body, and the measured temperature at that time; and a heat conduction analyzing part estimating the measured temperature based on output information from the temperature detecting part and the estimating part.
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8.发明公开公开(公告)号：US20240035900A1
公开(公告)日：2024-02-01
申请号：US17875437
申请日：2022-07-28
申请人： PixArt Imaging Inc.
发明人： Yi-Hsuan Wu
摘要： An electronic device for estimating a temperature value of a thermistor includes a first signal port, an analog-to-digital converter, and a processing circuit. When the thermistor is coupled to the first signal port of the electronic device, the processing circuit is arranged to operate in a first switching condition to detect and generate a first voltage difference to the analog-to-digital converter, to operate in a second switching condition to detect and generate a second voltage difference to the analog-to-digital converter; and, the analog-to-digital converter is arranged to determine a resistance value of the thermistor based on the first voltage difference compared to the second voltage difference and to generate the estimated temperature value according to the determined resistance value.
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公开(公告)号：US20240012054A1
公开(公告)日：2024-01-11
申请号：US18044550
申请日：2021-07-21
申请人： Analog Device, Inc.
发明人： Frank M. Yaul , Sunrita Poddar , Hemtej Gullapalli , Omer Tanovic
IPC分类号： G01R31/367 , G01R31/382 , G01R31/389 , G01R31/392 , G01K7/42
CPC分类号： G01R31/367 , G01R31/382 , G01R31/389 , G01R31/392 , G01K7/427 , G01K2217/00
摘要： One embodiment is a method for estimating an internal temperature of a battery, the method comprising obtaining multiple terminal impedance measurements, wherein each of the terminal impedance measurements is taken at a different one of a plurality of frequencies; determining model parameters for a multivariable polynomial regression model; and applying the multivariable polynomial regression model to the multiple terminal impedance measurements to estimate the internal temperature of the battery.
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公开(公告)号：US11742727B2
公开(公告)日：2023-08-29
申请号：US17696996
申请日：2022-03-17
发明人： Franz Prenner , Oussama Jabloun
CPC分类号： H02K11/25 , G01K7/42 , H02K11/27 , H02P29/60 , G01K2205/00
摘要： Disclosed is a method for determining a rotor temperature value TRot for an electric machine, such as an electric motor. In one example, the method includes calculating a support value Pcu2_Trot using a rotor temperature value Trot that is determined with a temperature model and a motor current value Isdq. An auxiliary value Pcu2_Ref can be determined using a motor torque Trq and a motor slip value ωslip. The support value Pcu2_Trot can be linked with the auxiliary value Pcu2_Ref in order to obtain a corrected rotor temperature value DeltaTrot. Furthermore, the temperature model can be modified using the corrected rotor temperature value DeltaTrot in order to obtain a corrected temperature model. Finally, the rotor temperature value TRot can be determined using the corrected temperature model.
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