[특허]Device for supplying uninterruptible power

Device for supplying uninterruptible power 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02J-009/04 H02J-009/06 H02J-007/00
출원번호	US-0959122 (2010-12-02)
등록번호	US-8772963 (2014-07-08)
우선권정보	DE-10 2004 018 502 (2004-04-14)
발명자 / 주소	Henkel, Hartmut Heinemann, Michael Zeuch, Jochen
출원인 / 주소	Phoenix Contact GmbH & Co. KG
대리인 / 주소	Kaplan Breyer Schwarz & Ottesen, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 43

초록 ▼

The invention relates to uninterruptible power supply devices which make it possible to supply emergency power to a load, which is to be supplied, in the event of mains failure. The invention is based on the object of providing a device for supplying uninterruptible power, which device can be operated in a more energy-saving manner and in which the emergency power can be controlled in a rapid and safe manner. To this end, the uninterruptible power supply device has a power transistor which can be rapidly switched and can be used to connect a standby power source to the output connections during emergency power operation. The output current can also be dynamically limited by driving the power transistor, which can be rapidly switched, in a corresponding manner. In addition, the input and output of the UPS device are decoupled using a field effect transistor that acts as a power transistor.

대표청구항 ▼

1. A device for supplying uninterruptible power, said device comprising: input connections for connection to a primary DC voltage supply device;standby-power connections for connecting a standby power source;first-output connections for connecting a load;a supply output that is connected in parallel with the first-output connections;a device for decoupling the input connections from the first-output connections and from the supply output in the event of a fault in the primary DC voltage supply device, wherein the device for decoupling comprises a first diode that has i) an anode connection that is directly electrically connected to one of the input connections and ii) a cathode connection that is directly electrically connected to one of the first-output connections;a first controllable switching device for connecting the standby power source to the first-output connections and to the supply output in a controlled manner in the event of a fault in the primary DC voltage supply device, the first controllable switching device comprising a power transistor;a control device that is i) assigned to the first controllable switching device and ii) directly electrically connected to the gate terminal of the power transistor;a current limiter for limiting current to the supply output, wherein the current limiter restricts the flow of current to the supply output to a certain amount, and wherein the current limiter is connected in series with a second diode that is directly electrically connected to the supply output, wherein the second diode passes current from the current limiter to the supply output and blocks current coming from the supply output in order to prevent feedback to the device for supplying uninterruptible power;a second-output connection for connecting a state signalling device;a connection contact for connecting the supply output with the second-output connection, wherein the connection contact is arranged at a predetermined distance from the supply output, and wherein the supply output and the connection contact are capable of being short-circuited by a predefined insertable contact bridge;anda second controllable switching device configured to connect, to each other, and disconnect, from each other, the connection contact and the second-output connection, wherein the second controllable switching device is controlled by the control device. 2. The device for supplying uninterruptible power as claimed in claim 1 wherein the second controllable switching device is a relay. 3. The device for supplying uninterruptible power as claimed in claim 1 wherein the second controllable switching device is a changeover relay. 4. The device for supplying uninterruptible power as claimed in claim 1, wherein the control device is in communications with a monitoring device, wherein the monitoring device is provided for monitoring output current flowing through the power transistor. 5. The device for supplying uninterruptible power as claimed in claim 4, wherein the control device is designed to pulse-width modulate the power transistor on the basis of the current being monitored in order to limit the current that is provided by the standby power source.

이 특허에 인용된 특허 (43)

Winick, Bradley D.; Smith, Robert B., Active circuit protection for switched power supply system.
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Nagai Tamiji,JPX ; Yamazaki Kazuo,JPX ; Iwase Sumio,JPX, Auxiliary power supply apparatus.
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Stich Frederick A. (Wisconsin Rapids WI) Zahrte ; Sr. Donald K. (Necedah WI) Baxter ; Jr. Richard V. (Appleton WI) Folts Douglas C. (Mauston WI) Hubert Thomas G. (Necedah WI) Medina Juan M. (Wisconsi, Back-up uninterruptible power system.
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Kanouda, Akihiko; Masuyama, Satoru; Isogai, Masato; Saga, Ryouhei; Onda, Kenichi; Tokunaga, Norikazu, Backup power supply.
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Kanouda,Akihiko; Masuyama,Satoru; Isogai,Masato; Saga,Ryouhei; Onda,Kenichi; Tokunaga,Norikazu, Backup power supply.
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Mengelt Kevin R. (Port Edwards WI) Cane Michael J. (Mauston WI) Schultz Mark L. (Wisconsin Rapids WI), Backup power system and method.
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Tokunaga, Norikazu; Onda, Kenichi; Onaka, Takeshi; Masuyama, Satoru; Saga, Ryouhei; Hayashi, Katsunori, DC power supply device.
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Choudhury Shamim A., Digital signal processor controlled uninterruptable power supply.
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Gehre Hans-Joachim,DEX ; Winterstein Frank,DEX, Direct voltage back-up system at a power supply outlet.
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Sanada, Kazunori, Electric power system interconnection device.
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Weinstock Stephen M. (106 Poinciana La. Largo FL 34640), Electrical backup interface device having low power output.
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Goral, Jerzy M., Emergency ballast with battery heater.
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Curtis, Jeffrey; Reilly, David E.; White, Kevin; Paik, Namwook, Excessive load capacitor detection circuit for UPS.
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Zansky,Zoltan; Jacobsen,Bill, Holdup time extender and inrush current eliminator for switching power supplies.
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Hatate Andrew K. (Dallas TX) Makan Franklin F. (Rockwall TX), Integrated maintenance bypass switch and method of operation thereof.
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Chang, Herlin; Huang, Min-Huang, Lighting equipment built-in on-line uninterruptible power system capable of outputting AC sinusoidal power from a single DC source.
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David E. Reilly ; Emanual E. Landsman ; Jeffrey Curtis, Method and apparatus for converting a DC voltage to an AC voltage.
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Brown Alan E., Method and apparatus for interfacing battery backup to power factor correction front end for maintaining power.
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John Gary Batson ; Ehsan Chitsazan ; James M. Rhodes, Modular uninterruptable power supply.
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Hughes Jack H. (4812 Lone Hill Rd. Chattanooga TN 37416), Multi-phase failure detector.
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Eng Wing K. (Stanhope NJ) Schroeder Robert E. (Flanders NJ), Off-line switcher with battery reserve.
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Li Yung-Feng,TWX, On-line UPS controllable from far end.
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Leppo Lee Edward ; Weiss Martin M. ; Solanki Prashant A., Power distribution in a portable device.
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Popescu Serban-Mihai, Power management circuit for battery systems.
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Murabayashi, Haruyasu; Horie, Takashi; Isozumi, Masashi; Tsubota, Yasuhiro; Ooba, Tsunetoshi; Kobori, Hideki; Ootomo, Takatoshi; Marumo, Katsuya; Yamamoto, Tetsuya, Power source apparatus.
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Shibuya Tadao (Numazu JPX), Power supply equipment backup system for interruption of service.
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Franklin, Jerrold E.; Oros, James M., Protection circuits for hybrid power systems.
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Buchanan, Marlowe James, System and method for controlling an output signal of a power supply.
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Oughton ; Jr. George W., Systems and methods for producing standby uninterruptible power for AC loads using rectified AC and battery.
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Muelleman Norman F. (Cary IL), Transformerless conditioning of a power distribution system.
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Severinsky Alex J. ; Day David V., UPS with current waveshape circuit.
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Harada, Kosuke; Murata, Katsuaki; Nakamizo, Takazi, Uninterruptible ac power supply.
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Lavin James Vincent,GBX ; Stanley Alastair,GBX, Uninterruptible power supplies.
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Gold Calman ; Gran Richard J., Uninterruptible power supplies having cooled components.
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Cheng Shui-Chu,TWX, Uninterruptible power supply with AC sine wave output and energy recycle function.
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Charych Arthur (Stony Brook NY), Uninterruptible switching power supply system.
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Matsushita, Hiromi, Uninterruptible switching regulator.
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