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1. 发明授权

US12098056B2 Elevator 有权
公开(公告)号：US12098056B2
公开(公告)日：2024-09-24
申请号：US16449670
申请日：2019-06-24
申请人： Kone Corporation
发明人： Juhamatti Nikander
IPC分类号： B66B1/32 , B66B1/34 , B66B5/00 , B66B5/02 , H02P3/24
CPC分类号： B66B1/32 , B66B1/3492 , B66B5/00 , B66B5/02 , H02P3/24
摘要： An elevator may include an elevator motor driving at least one elevator car in a hoisting path, which elevator motor is driven via a frequency converter controlled by a control device of the elevator. The frequency converter includes a rectifier bridge and an inverter bridge and a DC link in-between. The elevator further includes at least one elevator brake acting on a brake element rotating with the rotor of the elevator motor, which elevator brake is driven via a brake drive which is connected to the DC link of the frequency converter an comprises a DC/DC converter having its primary side connected to the DC link and its secondary side connected to a brake circuit comprising at least one brake coil of the elevator brake and at least one rectifying element. In the primary side of the DC/DC converter, a first semiconductor switch is connected which is controlled by the control device of the elevator. In the brake circuit a second semiconductor switch is connected which is also controlled by the control device of the elevator, whereby an earth fault indication circuit is connected between the brake circuit and earth. The earth fault indication circuit includes an transmitting part of an opto-coupler, which opto-coupler has its sensor part connected to an earth fault transmission circuit connected to the control device of the elevator. The control device is configured to control the first and/or second semiconductor switch depending on the signal of the earth fault transmission circuit.

2. 发明授权

US11383957B2 Method, elevator control unit and elevator for moving an elevator car to landing floor in case of event related to main electrical power supply of the elevator 有权
公开(公告)号：US11383957B2
公开(公告)日：2022-07-12
申请号：US15788031
申请日：2017-10-19
申请人： KONE Corporation
发明人： Ari Kattainen , Pasi Raassina , Juhamatti Nikander , Ari-Pekka Lahtinen , Pasi Rinnesaari , Pasi Ahonen
IPC分类号： B66B1/32 , B66B5/02 , B66B9/00 , B66B5/00
摘要： A method and an elevator for moving an elevator car to a landing floor in case of a predefined event related to a main electrical power supply of an elevator are disclosed. The method includes charging energy from the main electrical power supply into an external electrical energy storage prior to detecting the predefined event related to the main electrical power supply, controlling an operation of an electric motor for moving the elevator car with an electrical drive to decelerate the elevator car and to produce regenerative electrical energy, selectively utilizing said energy charged from the main electrical power supply into the external electrical energy storage and said produced regenerative electrical energy to maintain an elevator brake in deactivated state.

3. 发明申请

US20220128606A1 METHOD FOR DETECTING LOSS OR UNDERVOLTAGE CONDITION OF PHASE OF ELECTRIC CONVERTER UNIT, CONVEYOR CONTROL UNIT, AND CONVEYOR SYSTEM 有权
公开(公告)号：US20220128606A1
公开(公告)日：2022-04-28
申请号：US17469547
申请日：2021-09-08
申请人： KONE Corporation
发明人： Teppo Vuorio , Juhamatti Nikander
IPC分类号： G01R19/165 , G01R19/04 , B66B5/00 , B66B25/00
摘要： A method for detecting a loss or an undervoltage condition of phase of an electric converter unit, wherein the method comprises: determining an extremum value, such as a maximum and/or a minimum value, of a phase voltage of the electric converter unit for at least one fundamental period of the phase voltage, and comparing the extremum value to a first threshold value, and if, based on the comparison, a first threshold criterion related to the first threshold value is satisfied, then determining the loss or the undervoltage condition of phase.

4. 发明申请

US20220106156A1 ELEVATOR CONTROL UNIT AND A METHOD FOR DETERMINING ENERGY AND/OR POWER CONSUMPTION OF AN ELEVATOR 有权
公开(公告)号：US20220106156A1
公开(公告)日：2022-04-07
申请号：US17468849
申请日：2021-09-08
申请人： KONE Corporation
发明人： Pekka Perälä , Pekka Perunka , Juhamatti Nikander , Tapio Tyni
IPC分类号： B66B1/30 , B66B5/00 , B66B1/34
摘要： An elevator and a method for determining energy and/or power consumption of an elevator, the elevator comprising a drive system comprising a drive unit for driving an electric motor and an elevator control system for controlling the drive system, wherein at least two different operating states are used for the elevator. The method comprises measuring at least part of power and/or energy consumption of the drive system, at least when the elevator is moving, determining duration which the elevator spends in different operating states of the elevator, and determining energy and/or power consumption of the elevator based at least in part on the measured power and/or energy consumption of the drive system and determined and/or estimated energy and/or power consumption in different operating states of the elevator.

5. 发明申请

US20190330014A1 CONDITION MONITORING OF AN INDUCTIVE BRAKING DEVICE 审中-公开
公开(公告)号：US20190330014A1
公开(公告)日：2019-10-31
申请号：US16379435
申请日：2019-04-09
申请人： KONE Corporation
发明人： Ari Kattainen , Juhamatti Nikander , Juha-Matti Aitamurto
IPC分类号： B66B5/00 , B66B1/34 , B66B19/00 , B66B1/36
摘要： According to an aspect, there is provided a method for condition monitoring of inductive braking device of an elevator car in an elevator shaft, the method including determining that the elevator car is empty; determining that doors of the elevator car are closed; causing electromechanical brakes to hold the elevator car stationary in the elevator shaft; causing actuation of a braking condition for the elevator car with the inductive braking device; causing the electromechanical brakes to lift while the inductive braking device is in the braking condition; determining a value associated with the inductive braking device in response to causing the electromechanical brakes to lift while the inductive braking device is actuated; and determining an operating condition of the inductive braking device based on the value.

6. 发明申请

US20180327215A1 CURRENT CUT-OFF ARRANGEMENT OF AN ELEVATOR 审中-公开
公开(公告)号：US20180327215A1
公开(公告)日：2018-11-15
申请号：US15969527
申请日：2018-05-02
申请人： KONE Corporation
发明人： Ari Kattainen , Juha-Matti Aitamurto , Juhamatti Nikander , Arto Nakari
IPC分类号： B66B1/30 , B66B1/32 , B66B1/34 , B66B5/02 , G05B9/02
CPC分类号： B66B1/308 , B66B1/32 , B66B1/3423 , B66B5/02 , B66B13/22 , B66B2201/00 , G05B9/02
摘要： The arrangement comprises a drive driving an electric motor, a contactor and a control circuit connecting a control coil of the contactor to a power supply. The control circuit comprises a manual control part provided with a manually operated first switch, and an electronical control part provided with an electronically operated second switch and a processor controlling the second switch. The first switch and the second switch are connected in series in the control circuit with the power supply and the control coil of the contactor so that de-energization of the control coil of the contactor may be done either by the first switch or by the second switch.

7. 发明授权

US11815535B2 Method for detecting loss or undervoltage condition of phase of electric converter unit, conveyor control unit, and conveyor system 有权
公开(公告)号：US11815535B2
公开(公告)日：2023-11-14
申请号：US17469547
申请日：2021-09-08
申请人： KONE Corporation
发明人： Teppo Vuorio , Juhamatti Nikander
IPC分类号： G01R11/63 , G01R19/165 , B66B5/00 , B66B25/00 , G01R19/04
CPC分类号： G01R19/16547 , B66B5/0018 , B66B25/006 , G01R19/04
摘要： A method for detecting a loss or an undervoltage condition of phase of an electric converter unit, wherein the method comprises: determining an extremum value, such as a maximum and/or a minimum value, of a phase voltage of the electric converter unit for at least one fundamental period of the phase voltage, and comparing the extremum value to a first threshold value, and if, based on the comparison, a first threshold criterion related to the first threshold value is satisfied, then determining the loss or the undervoltage condition of phase.

8. 发明授权

US11697574B2 Elevator 有权
公开(公告)号：US11697574B2
公开(公告)日：2023-07-11
申请号：US16451267
申请日：2019-06-25
申请人： Kone Corporation
发明人： Juhamatti Nikander , Arto Nakari
IPC分类号： H02H3/20 , H02H3/44 , B66B5/02 , B66B1/30 , B66B5/00 , H02H1/00 , H02H7/09 , H02H7/12 , H02P3/06
CPC分类号： B66B5/028 , B66B1/30 , B66B5/0031 , H02H1/0007 , H02H7/09 , H02H7/1216 , H02P3/06
摘要： The invention relates to an elevator comprising at least one elevator car moved by at least one elevator motor, which elevator motor is driven by a frequency converter controlled by a control device of the elevator, the frequency converter comprising a rectifier bridge, an inverter bridge and a DC link connected in-between, the inverter bridge being connected to the elevator motor and the rectifier bridge being connected to AC mains via three phase supply lines comprising an LCL-filter and a mains switch. The elevator further comprises a backup power supply and a safety device of the control device, which in case of a mains power failure is configured to switch off the mains switch and to connect the backup power supply to the DC link and/or to at least one phase supply line, whereby the rectifier bridge is a bidirectional rectifier bridge being configured to convert DC supplied to the DC link from the backup power supply to an AC voltage supplied to at least two of the phase supply lines connected with at least one load circuit. An earth fault protection circuit for the load circuit is connected between earth and a common terminal of the capacitors of the LCL filter for monitoring an earth fault indicating signal, and which earth fault protection circuit is configured to issue an earth fault signal and/or initiating earth fault safety measures, dependent on the earth fault indicating signal.

9. 发明授权

US11097922B2 Current cut-off arrangement of an elevator 有权
公开(公告)号：US11097922B2
公开(公告)日：2021-08-24
申请号：US15969527
申请日：2018-05-02
申请人： KONE Corporation
发明人： Ari Kattainen , Juha-Matti Aitamurto , Juhamatti Nikander , Arto Nakari
IPC分类号： B66B1/30 , B66B1/32 , B66B5/02 , G05B9/02 , B66B1/34 , B66B13/22
摘要： The arrangement comprises a drive driving an electric motor, a contactor and a control circuit connecting a control coil of the contactor to a power supply. The control circuit comprises a manual control part provided with a manually operated first switch, and an electronical control part provided with an electronically operated second switch and a processor controlling the second switch. The first switch and the second switch are connected in series in the control circuit with the power supply and the control coil of the contactor so that de-energization of the control coil of the contactor may be done either by the first switch or by the second switch.

10. 发明授权

US10972015B2 Method of initiating a regenerative converter and a regenerative converter 有权
公开(公告)号：US10972015B2
公开(公告)日：2021-04-06
申请号：US14674546
申请日：2015-03-31
申请人： KONE Corporation
发明人： Lauri Stolt , Juhamatti Nikander
IPC分类号： H02M5/458 , H02M1/36 , H02M7/12
摘要： The invention is related to a method of initiating a regenerative converter (1) and corresponding converter (1) including a line bridge (2) and a machine bridge (3), which are interconnected via a DC intermediate circuit (8A, 8B). The method comprises charging, through the line bridge (2) and while the machine bridge (3) remains inactive, the DC intermediate circuit (8A, 8B) to a target voltage (14) higher than peak value of the mains voltage (13).

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