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公开(公告)号：US20180052034A1
公开(公告)日：2018-02-22
申请号：US15672372
申请日：2017-08-09
发明人： Christian Ellwein , Christoph Leja , Franz Stoll
IPC分类号： G01F23/292
CPC分类号： G01F23/2925 , F01M11/06 , F01M11/061 , F01M2011/0433 , G01F23/2922 , G01N21/15 , G01N21/4133 , G01N21/431 , G01N21/552 , G01N2021/157 , G01N2021/434
摘要： A method for monitoring an oil level in a machine includes transmitting a light beam into an optical system to be reflected or refracted to a receiver to generate a reception signal. The light beam is emitted at a set transmission power, and an oil deficiency is recognized when the reception signal exceeds a predefined level value. The transmission power of the light beam is settable between a minimum and a maximum transmission power, and contamination of the optical system is analyzed by: (a) the transmitter transmits a first light beam at the maximum transmission power to generate a first reception signal, and (b) analyzing the difference between the first reception signal and a second reception signal generated by a light beam at less than the maximum transmission power, the magnitude of the difference representing a measure of the degree of contamination of the optical system.
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2.发明申请METHOD AND PROTECTION DEVICE FOR PROTECTING AN ELECTRIC MOTOR AND/OR AN OPERATING MACHINE WHICH IS COUPLED THERETO FROM INCORRECT CONTROL OPERATIONS 审中-公开用于保护电动机和/或与不正当控制操作相联系的操作机器的方法和保护装置公开(公告)号：US20160004225A1
公开(公告)日：2016-01-07
申请号：US14747263
申请日：2015-06-23
发明人： Christian Ellwein
IPC分类号： G05B9/02
CPC分类号： G05B9/02 , G01R31/343 , G05B23/0264 , H02P29/032
摘要： A method for protection of an electric motor and/or operating machine coupled thereto from incorrect control operations detects the number of incorrect control operations of the electric motor and/or the operating machine in accordance with first and second error criterions. The numbers are totalled, and an alarm signal is produced and/or the electric motor is switched into a predefined state when the total exceeds a predetermined limit. A protection device for protecting an electric motor and/or an operating machine coupled thereto from incorrect control operations is also disclosed for carrying out the method.
摘要翻译： 根据不正确的控制操作来保护与其耦合的电动机和/或操作机器的方法根据第一和第二误差准则来检测电动机和/或操作机器的不正确的控制操作的数量。 当总数超过预定极限时，总数和产生报警信号和/或电动机切换到预定状态。 还公开了一种用于保护电动马达和/或与不正确的控制操作耦合的操作机器的保护装置，用于执行该方法。
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公开(公告)号：US10389293B2
公开(公告)日：2019-08-20
申请号：US15061278
申请日：2016-03-04
发明人： Xiaoming Peng
摘要： Method for the protection of electric motors from critical operating states wherein, as the electric motor is operating, a motor current value and/or a motor voltage value is/are measured and compared with a permissible operating range wherein an output signal is generated when leaving the permissible operating range and, while the electric motor is operating, the permissible operating range is determined and adjusted continuously from the measured motor current value and/or from the measured motor voltage value.
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公开(公告)号：US20180058733A1
公开(公告)日：2018-03-01
申请号：US15685321
申请日：2017-08-24
发明人： Franz Stoll , Christoph Leja
CPC分类号： F25B31/004 , F01M11/12 , F16N19/006 , F16N2250/18 , F16N2270/10
摘要： In the method according to the invention for operating an oil level regulator on a compressor, the oil level regulator monitors an oil level in the compressor and causes oil to be refilled when an oil deficiency is recognized. The oil level regulator provides operating recognition of the compressor in which a check is made as to whether the compressor is in a switched-on or switched-off state, the refilling with oil being carried out only when the compressor is in the switched-on state.
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公开(公告)号：US09746227B2
公开(公告)日：2017-08-29
申请号：US14416837
申请日：2013-08-05
发明人： Xiaoming Peng , Ulf Kretschmer , Christian Ellwein
CPC分类号： F25B49/022 , F04B2201/0402 , F04B2201/0403 , F04B2201/0801 , F25B31/006 , F25B41/043 , F25B49/025 , F25B2400/077 , F25B2600/02 , F25B2600/021 , F25B2600/0251 , F25B2600/0253 , F25B2600/026 , F25B2600/2521 , F25B2700/2115 , G05B2219/37429 , H02H7/008 , Y02B30/741
摘要： Process for regulating a compressor with motor for a refrigerating system, where the temperature of the cooling site is regulated through an on-off motor mode if the temperature in the compressor exceeds an upper temperature threshold. In addition, the temperature of the cooling site is regulated through a continuous on mode of the motor as soon as the motor has cooled to a lower temperature threshold. The controller converts a variable corresponding to the cooling requirement of the cooling site into a switch signal for a valve, which results in clocked opening and closing of the valve, or uses a frequency converter, which controls the cooling liquid flow through the compressor by regulating the voltage and the frequency of the motor in that the frequency converter converts a variable corresponding to the cooling requirement of a cooling site into a voltage and a frequency for the motor.
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公开(公告)号：US10666040B2
公开(公告)日：2020-05-26
申请号：US15285681
申请日：2016-10-05
发明人： Christian Ellwein
摘要： A machine, specifically a pump, a compressor, an agitator or a hoist, includes at least one motor and one machine protection circuit that includes a measurement device having at least one sensor for monitoring at least one parameter of the machine and includes an analysis device for analysing the parameters measured by the sensor and for activating a machine protection relay for switching off the machine. A switch cabinet positioned away from the machine is provided, and the machine protection circuit is spatially separated by the measurement device being arranged in the machine, and by the analysis device and the machine protection relay being arranged in the switch cabinet.
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7.发明申请公开(公告)号：US20190044468A1
公开(公告)日：2019-02-07
申请号：US16009790
申请日：2018-06-15
发明人： Christian Ellwein
IPC分类号： H02P29/028 , H02P27/04 , H02P29/64 , H04L29/06
摘要： A method for operating at least one electric motor and/or stationary work machine coupled therewith, wherein the electric motor is controlled during normal operation by means of at least one first controller and at least one frequency converter, with the at least one first controller and/or the frequency converter being connected at least temporarily to the internet. Furthermore, during emergency operation, the electric motor can be controlled by means of at least one second controller that cannot be connected to the internet, whereas the controlling of the electric motor via the first controller and the frequency converter is interrupted.
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公开(公告)号：US10151617B2
公开(公告)日：2018-12-11
申请号：US15672372
申请日：2017-08-09
发明人： Christian Ellwein , Christoph Leja , Franz Stoll
IPC分类号： G01N33/28 , G01F23/292 , F01M11/06 , G01N21/15 , G01N21/43 , G01N21/552 , G01N21/41 , F01M11/04
摘要： A method for monitoring an oil level in a machine includes transmitting a light beam into an optical system to be reflected or refracted to a receiver to generate a reception signal. The light beam is emitted at a set transmission power, and an oil deficiency is recognized when the reception signal exceeds a predefined level value. The transmission power of the light beam is settable between a minimum and a maximum transmission power, and contamination of the optical system is analyzed by: (a) the transmitter transmits a first light beam at the maximum transmission power to generate a first reception signal, and (b) analyzing the difference between the first reception signal and a second reception signal generated by a light beam at less than the maximum transmission power, the magnitude of the difference representing a measure of the degree of contamination of the optical system.
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公开(公告)号：US20180046146A1
公开(公告)日：2018-02-15
申请号：US15645220
申请日：2017-07-10
发明人： Christian Ellwein
IPC分类号： G05B9/02
摘要： A method for monitoring, controlling, or regulating a machine by means of an embedded system includes a first processor acted on by an input signal that is processed using a first algorithm implemented in the first processor in order to generate a first output signal for controlling or regulating the machine. The first algorithm of the first processor is modifiable via a network interface. In the embedded system, a second processor that is not connected to the network interface is used and is acted on by the same input signal, which is processed using a second algorithm that is implemented in the second processor in order to generate a second output signal. The first output signal and the second output signal are compared to one another to determine whether the first algorithm has been modified with respect to the second algorithm.
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10.发明申请公开(公告)号：US20160268952A1
公开(公告)日：2016-09-15
申请号：US15061278
申请日：2016-03-04
发明人： Xiaoming Peng
CPC分类号： H02P29/02 , H02H7/0816 , H02P1/02 , H02P29/00
摘要： Method for the protection of electric motors from critical operating states wherein, as the electric motor is operating, a motor current value and/or a motor voltage value is/are measured and compared with a permissible operating range wherein an output signal is generated when leaving the permissible operating range and, while the electric motor is operating, the permissible operating range is determined and adjusted continuously from the measured motor current value and/or from the measured motor voltage value.
摘要翻译： 用于保护电动机免于关键操作状态的方法，其中，如电动机正在运行时，电动机电流值和/或电动机电压值被测量并与允许的工作范围进行比较，其中在离开时产生输出信号 允许的工作范围，并且在电动机工作时，从测量的电动机电流值和/或从测量的电动机电压值连续地确定和调节允许的工作范围。
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