IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0305242
(2011-11-28)
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등록번호 |
US-8638055
(2014-01-28)
|
우선권정보 |
FI-20090221 (2009-06-01) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Harness, Dickey & Pierce, P.L.C.
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인용정보 |
피인용 횟수 :
0 인용 특허 :
13 |
초록
▼
A power supply system of a transport system includes: a direct-current intermediate circuit; a motor bridge connected to the direct-current intermediate circuit, for supplying power between the direct-current intermediate circuit and the motor that moves the transport appliance; and also an energy s
A power supply system of a transport system includes: a direct-current intermediate circuit; a motor bridge connected to the direct-current intermediate circuit, for supplying power between the direct-current intermediate circuit and the motor that moves the transport appliance; and also an energy storage and a direct-current converter based on indirect power transmission connected between the energy storage and the direct-current intermediate circuit, for controlling the power supply between the energy storage and the direct-current intermediate circuit. The direct-current converter based on indirect power transmission includes: a controllable solid-state switch, for disconnecting the power supply occurring from the energy storage.
대표청구항
▼
1. A power supply system of a transport system, the power supply system comprising: a direct-current intermediate circuit;a motor bridge connected to the direct-current intermediate circuit, the motor bridge being configured to supply power between the direct-current intermediate circuit and a motor
1. A power supply system of a transport system, the power supply system comprising: a direct-current intermediate circuit;a motor bridge connected to the direct-current intermediate circuit, the motor bridge being configured to supply power between the direct-current intermediate circuit and a motor configured to move a transport appliance;an energy storage device;a direct-current converter connected between the energy storage device and the direct-current intermediate circuit, the direct-current converter being configured to control a supply of power between the energy storage device and the direct-current intermediate circuit, and the direct-current converter including, an internal energy storage,a controllable solid-state switch configured to supply current from the energy storage device to the internal energy storage when closed, and to disconnect the energy storage device from the internal energy storage when opened, andwherein the direct current converter is configured to supply current from the internal energy storage to the direct-current intermediate circuit after the energy storage device is disconnected from the internal energy storage. 2. The power supply system according to claim 1, wherein the transport system comprises: a supervising arrangement configured to detect an operational nonconformance of the transport system, the supervising arrangement being further configured to generate a signal indicative of the detected operational nonconformance. 3. The power supply system according to claim 1, wherein the controllable solid-state switch is configured to control the supply of power from the energy storage device to the direct-current intermediate circuit based on short pulses during normal operation of the transport system. 4. The power supply system according to claim 1, wherein the energy storage device includes a supercapacitor. 5. The power supply system according to claim 1, wherein the energy storage device includes an accumulator. 6. The power supply system according to claim 1, further comprising: a network bridge connected between an alternating electricity source and the direct-current intermediate circuit. 7. The power supply system according to claim 1, further comprising: at least two motor bridges connected to the direct-current intermediate circuit, each of the at least two motor bridges being connected to a corresponding motor configured to move the transport appliance, and each of the at least two motor bridges being configured to supply power between the direct-current intermediate circuit and the corresponding motor. 8. The power supply system according to claim 1, wherein the direct-current converter is configured to operate in at least two different phases, and wherein in a first of the at least two different phases the energy storage device is configured to charge the internal energy storage, and in a second of the at least two different phases the supply of power from the energy storage device to the internal energy storage is disconnected and the internal energy storage is configured to supply energy to the direct-current intermediate circuit. 9. A power supply system of a transport system, the power supply system comprising: a direct-current intermediate circuit;a motor bridge connected to the direct-current intermediate circuit, the motor bridge being configured to supply power between the direct-current intermediate circuit and a motor configured to move a transport appliance;an energy storage device;a direct-current converter connected between the energy storage device and the direct-current intermediate circuit, the direct-current converter being configured to control a supply of power between the energy storage device and the direct-current intermediate circuit, and the direct-current converter including, a controllable solid-state switch configured to disconnect the supply of power between the energy storage device and the direct-current intermediate circuit,an inductive component, a second solid-state switch,wherein, when closed, the controllable solid-state switch is configured to supply current from the energy storage device to the inductive component,wherein, when opened, the controllable solid-state switch is configured to disconnect the energy storage device from the inductive component, andwherein the second solid-state switch is configured to supply current from the inductive component to the direct-current intermediate circuit by switching to a conductive state after the controllable solid-state switch is opened. 10. A power supply system of a transport system, the power supply system comprising: a direct-current intermediate circuit;a motor bridge connected to the direct-current intermediate circuit, the motor bridge being configured to supply power between the direct-current intermediate circuit and a motor configured to move a transport appliance;an energy storage device;a direct-current converter connected between the energy storage device and the direct-current intermediate circuit, the direct-current converter being configured to control a supply of power between the energy storage device and the direct-current intermediate circuit, and the direct-current converter including, a controllable solid-state switch configured to disconnect the supply of power between the energy storage device and the direct-current intermediate circuit;a control circuit connected to a control pole of the controllable solid-state switch; anda safety relay configured to indicate an operational nonconformance of the transport system, a contact of the safety relay being coupled to the control circuit, and being configured to disconnect the supply of power from the energy storage device.
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