WO2023078432A1 - Appareil d'alimentation électrique et procédé de commande d'alimentation électrique - Google Patents

Appareil d'alimentation électrique et procédé de commande d'alimentation électrique Download PDF

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Publication number
WO2023078432A1
WO2023078432A1 PCT/CN2022/130110 CN2022130110W WO2023078432A1 WO 2023078432 A1 WO2023078432 A1 WO 2023078432A1 CN 2022130110 W CN2022130110 W CN 2022130110W WO 2023078432 A1 WO2023078432 A1 WO 2023078432A1
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WO
WIPO (PCT)
Prior art keywords
power supply
module
power
input
relay
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Application number
PCT/CN2022/130110
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English (en)
Chinese (zh)
Inventor
冯雷
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锐捷网络股份有限公司
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Application filed by 锐捷网络股份有限公司 filed Critical 锐捷网络股份有限公司
Publication of WO2023078432A1 publication Critical patent/WO2023078432A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Definitions

  • the present application relates to the field of electric power technology, in particular to power supply technology, and provides a power supply device and a power supply control method.
  • a zero-crossing detection circuit is required. Switching is performed when the voltage reaches zero crossing, which increases the detection time.
  • Embodiments of the present application provide a power supply device and a power supply control method, which are used for suppressing an inrush current generated when a power supply is switched in a multi-power supply scenario.
  • a power supply device includes at least two power supply input terminals, a switching module, a control module, a suppression module, a switch module, a power factor correction module, and a power supply output terminal;
  • the at least two power supply input terminals are respectively connected to different power supply sources
  • the input terminal of the switching module is connected to the at least two power supply input terminals
  • the first output terminal of the switching module is connected to the suppression module.
  • the input terminal, the output terminal of the suppression module is respectively connected to the first input terminal of the power factor correction module
  • the switch module is connected in parallel to both ends of the suppression module
  • the second output terminal of the switching module is connected to the power
  • the second input terminal of the factor correction module, and the output terminal of the power factor correction module is connected to the power supply output terminal
  • the control module is respectively connected to the control terminals of the switching module and the switching module;
  • the control module controls the switching module to perform a switching action to switch to another power supply input terminal for power supply, and the switched power signal output by the switching module passes through the suppression module for all
  • the power factor correction module is charged, and when the voltage across the power factor correction module is greater than or equal to the voltage peak value of the switched power supply signal, the control module controls the switch module to turn on, so that the switched The power supply signal is input to the power supply output terminal through the switch module to supply power to the load.
  • the power factor correction module includes a power factor correction subcircuit and an energy storage capacitor
  • the first input terminal of the power factor correction subcircuit is connected to the output terminal of the suppression module
  • the power The second input end of the factor correction sub-circuit is connected to the second output end of the switching module
  • the two output ends of the power factor correction sub-circuit are connected to the power supply output end
  • the two ends of the energy storage capacitor are respectively connected to the two output terminals of the power factor correction sub-circuit
  • the control module is connected to the control terminal of the power factor correction sub-circuit
  • the control module controls the switch module to turn on, and the control module also controls The power factor correction sub-circuit starts to work, so that the switched power supply signal is output to the power supply output terminal after being corrected by the power factor of the power factor correction sub-circuit.
  • the detection module is used to detect the power signals of the at least two power supply input terminals, and output the power detection result to the control module, and the control module selects the qualified power signal based on the power detection result power supply.
  • the detection module includes at least two detection chips, the detection end of each detection chip is connected to a power supply input end, and the communication end of each detection chip is connected to the control module ;
  • Each detection chip is used to detect the power signal input by the detection terminal, and output the power detection result to the control module through the communication terminal.
  • the device further includes at least two protection subcircuits, the input end of each protection subcircuit is connected to one of the power supply input ends, and the output end is connected to the corresponding detection chip.
  • the detection terminal is connected, and each of the protection sub-circuits includes a fuse;
  • the control module when the power supply detection result indicates that the power signal corresponding to the currently connected power supply input terminal is abnormal, the control module sends a shutdown signal to the power factor correction module, indicating that the power factor correction The module stops working; after the power factor correction module stops working, the control module sends a disconnection signal to the switching module, and the switching module disconnects the connection with the currently connected power supply input terminal, and when the When the switch module is disconnected from the currently connected power supply input terminal, the control module controls the switch module to close, and sends a switch signal to the switch module.
  • the power supply device includes a first power supply input terminal and a second power supply input terminal
  • the switching module includes a first relay, a second relay, a third relay and a fourth relay
  • the first Both the relay and the second relay include a pair of input contacts and a pair of output contacts
  • the third relay and the fourth relay both include a pair of input contacts and an output contact
  • the input contact and output contact of the first relay are connected, and the input contact and output contact of the second relay disconnected, the input contact connected to the output contact of the first relay in the third relay and the fourth relay is connected to the output contact, and the first power signal is input to the suppression module and the the switch module;
  • the input contact and output contact of the first relay are disconnected, and the input contact and output contact of the second relay connected, the input contact connected to the output contact of the second relay among the third relay and the fourth relay is connected to the output contact, and the second power supply signal is input to the suppression module and the switch module.
  • the device further includes an output transformation module
  • the output conversion module performs voltage conversion on the power signal output by the power factor correction module, and outputs the converted power signal to the power supply output terminal.
  • the control module When the power supply detection signal indicates that the power supply signal corresponding to the currently connected power supply input terminal is abnormal, the control module sends a shutdown signal to the power factor correction sub-circuit in the power factor correction module, so that the power factor The syndrome sub-circuit stops working, and the control module sends a disconnection signal to the switching module, so that the switching module disconnects the connection with the currently connected power supply input terminal;
  • the control module instructs the switching module to connect to the power supply input terminal;
  • the control module instructs the switching module to connect to the power supply input terminal that is powered on first, or, according to the preset priority A level indicates that the switching module is connected to a corresponding power supply input.
  • FIG. 5 is a schematic structural diagram of an output conversion module provided in an embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of a dual-input switching power supply device provided by an embodiment of the present application.
  • the voltage is close to the peak input voltage of the current power supply input terminal, and because there is a suppression module in the circuit to suppress the inrush current when switching, so the current generated at the moment of connection of the new power supply input terminal is very small.
  • the voltage on the energy storage capacitor is close to or equal to Turn on the switch module when the peak voltage is input, no need for zero-crossing detection, realize zero-current switching, complete the entire power switching process, reduce the switching waiting time, improve switching efficiency, and can be applied to both AC power and DC power.
  • pin 18 and pin 19 of the integrated chip IC5 are connected to P_PGD1 and P_PGC1 respectively, and P_PGD1 and P_GC1 are the programming pins of IC5.
  • the communication terminal, that is, the pin 10 shown in Figure 3 is output to the control module.
  • the power supply device provided by the embodiment of the present application also includes an output transformation module 2009, see FIG. 5, which is a schematic structural diagram of the output transformation module 2009 provided by the embodiment of the present application.
  • the circuit includes multiple capacitors, resistors, multiple transistors, and inductors. coils and transformers. Multiple capacitors include capacitor C4, capacitor C7, and capacitor C8 as shown in Figure 5, multiple transistors include transistor Q9 and transistors Q13-Q15 as shown in Figure 5, the transformer is T4 as shown in Figure 5, and the inductance coil is as shown in Figure 5. L5 shown in Figure 5, the resistance is R4 shown in Figure 5.
  • the switched power supply signal gradually charges the energy storage capacitor.
  • the control module instructs the switch module to turn off, and after the switch module is turned off, Send a starting signal to the PFC sub-circuit, so that the PFC sub-circuit starts to work for power factor correction, and transmits the corrected power supply signal to the subsequent stage circuit.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

La présente invention concerne un appareil d'alimentation électrique et un procédé de commande d'alimentation électrique. L'appareil comprend au moins deux extrémités d'entrée d'alimentation électrique (2001), un module de commutation (2003), un module de commande (2004), un module de suppression (2005), un module de commutation (2006), un module de correction de facteur de puissance (2007), et une extrémité de sortie d'alimentation électrique (2010). La tension de capacité du module de correction de facteur de puissance (2007) est suffisante pour maintenir des tensions aux deux extrémités de l'appareil supérieures à une valeur de crête de la tension de n'importe quelle extrémité d'entrée d'alimentation électrique (2001) lorsque l'appareil fonctionne normalement, et lorsqu'une alimentation électrique (101) est commutée, la tension du module de correction de facteur de puissance (2007) peut être maintenue proche d'une valeur de crête d'une tension d'entrée de l'extrémité d'entrée d'alimentation électrique (2001). De plus, étant donné que le module de suppression (2005) est également prévu dans un circuit pour supprimer un courant d'impact pendant la commutation, un courant, qui est généré au moment où une nouvelle extrémité d'entrée d'alimentation électrique (2001) est connectée, est très faible. Lorsque la tension sur un condensateur de stockage d'énergie (20071) est proche d'une tension de crête d'entrée, ou égale à cette dernière, le module de commutation (2006) est démarré sans détection de passage par zéro, de telle sorte qu'une commutation à courant nul est obtenue, un processus de commutation d'alimentation électrique complète est achevé, le temps d'attente pendant la commutation est raccourci, et l'efficacité de commutation est améliorée.
PCT/CN2022/130110 2021-11-05 2022-11-04 Appareil d'alimentation électrique et procédé de commande d'alimentation électrique WO2023078432A1 (fr)

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CN202111303946.1 2021-11-05
CN202111303946.1A CN113972702B (zh) 2021-11-05 2021-11-05 供电装置以及供电控制方法

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CN116909375A (zh) * 2023-09-12 2023-10-20 苏州浪潮智能科技有限公司 主板电源电路、电源健康管控方法、电子设备及存储介质

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CN113972702B (zh) * 2021-11-05 2023-03-21 锐捷网络股份有限公司 供电装置以及供电控制方法

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JP5923120B2 (ja) * 2012-02-09 2016-05-24 株式会社テクノバ 双方向非接触給電システム
CN102931829B (zh) * 2012-11-09 2015-11-25 华为技术有限公司 功率因数校正电路以及电源电路
JP6851179B2 (ja) * 2016-11-07 2021-03-31 キヤノン株式会社 電源装置とその制御方法
CN106787677A (zh) * 2017-01-23 2017-05-31 珠海格力电器股份有限公司 功率因数校正电路及其电源电流确定方法、及电器
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Publication number Priority date Publication date Assignee Title
US20100274407A1 (en) * 2009-04-24 2010-10-28 Hunter Defense Technologies, Inc. Mobile micro-grid power system controller and method
CN104578383A (zh) * 2013-10-21 2015-04-29 雅达电子国际有限公司 输入冗余电路
CN211670765U (zh) * 2019-12-25 2020-10-13 麦特科(深圳)科技有限公司 一种电源设备及其电源电路
CN113972702A (zh) * 2021-11-05 2022-01-25 锐捷网络股份有限公司 供电装置以及供电控制方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116909375A (zh) * 2023-09-12 2023-10-20 苏州浪潮智能科技有限公司 主板电源电路、电源健康管控方法、电子设备及存储介质
CN116909375B (zh) * 2023-09-12 2024-02-02 苏州浪潮智能科技有限公司 主板电源电路、电源健康管控方法、电子设备及存储介质

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