WO2016177197A1 - Circuit à alimentation électrique unique et système d'alimentation électrique - Google Patents

Circuit à alimentation électrique unique et système d'alimentation électrique Download PDF

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Publication number
WO2016177197A1
WO2016177197A1 PCT/CN2016/077708 CN2016077708W WO2016177197A1 WO 2016177197 A1 WO2016177197 A1 WO 2016177197A1 CN 2016077708 W CN2016077708 W CN 2016077708W WO 2016177197 A1 WO2016177197 A1 WO 2016177197A1
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WO
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Prior art keywords
power supply
transistor
resistor
circuit
load
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PCT/CN2016/077708
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English (en)
Chinese (zh)
Inventor
谢长江
李祥峰
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中兴通讯股份有限公司
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Publication of WO2016177197A1 publication Critical patent/WO2016177197A1/fr

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    • 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
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage

Definitions

  • Embodiments of the present invention relate to, but are not limited to, the technical field of power supply devices, and in particular, to a single power supply circuit and a power supply system.
  • the system device is powered by the power supply.
  • a plurality of single power sources are generally used to supply power to the system device in parallel, and the single power source is turned off and on by a switch circuit corresponding to each single power source. The connection to the system device.
  • the single-power corresponding switch circuit can be realized in two ways, one is realized by a relay method, and the other is realized by a metal oxide semiconductor field effect transistor MOSFET (referred to as a MOS tube).
  • MOSFET metal oxide semiconductor field effect transistor
  • FIG. 1 is a schematic diagram of a relay method in a power supply circuit of the related art.
  • the relay S1 in the high-power power supply circuit, the relay S1 is connected in series between the power supply V1 and the load G1 to control the power supply V1 to supply power to the load G1, wherein the power supply input is -48V, and the output is -48V through.
  • the relay is connected in series on the -48V negative line, and the control relay S1 is opened and closed to realize the shutdown and opening control between the power supply V1 and the load.
  • the relay S1 usually adopts a mechanical contact relay, and the relay contact is turned off and the opening time is generally In the order of several milliseconds, the speed is slow.
  • the relay is not suitable for the realization of a high-power fast-off, open power supply.
  • FIG. 2 is a schematic diagram of a MOS tube method in a power supply circuit of the related art. As shown in FIG. 2, the turn-off and turn-on between the power supply V1 and the load G1 are realized by controlling the turn-off and turn-on of the MOS transistor Q3.
  • the single-supply circuit includes: a power supply v1, a capacitor c1, a current sampling unit U1, and a MOS control The unit U2, the MOS tube Q3, and the resistor R1; wherein the MOS tube is turned off and turned on by the current sampling unit U1, wherein the MOS tube Q3 and the resistor R1 are connected in series on the -48V negative line, and the power supply is turned on, R1 Overcurrent (through the Q3 internal parasitic diode), the current flowing through R1 is supplied to the current sampling unit U1. After U1 amplifies the current signal, it is sent to the MOS tube control unit U2, and the MOS tube control unit U2 turns on the driving MOS tube Q3. In the above manner, when the power supply V1 is turned on, Q3 is turned on, and the power supply V1 is supplied with power to the load G1.
  • the resistor R1 is serially connected to the MOS transistor Q3 loop.
  • the resistor When the power supply is high-powered, the resistor generates a large heat loss, and the power supply needs to dissipate heat from the resistor.
  • the cost of the solution is high, and the resistance heat consumption is further increased. Larger ones can also cause a reduction in system reliability.
  • the power supply circuit there is an energy storage unit, that is, a capacitor (for example, the power supply C1 in FIG. 2) between the power supply and the load.
  • the function of the energy storage unit is to stabilize the fluctuation of the input power supply voltage and balance the input impedance of the load terminal.
  • the power supply circuit first charges the storage capacitor and has a very large charge at the beginning of charging.
  • the current, the peak current of the charge is about the input maximum supply voltage / (line impedance + DC equivalent resistance of the capacitor), the line resistance of the line impedance and the equivalent series resistance of the electrolytic capacitor ESR milliohms, when the switch is closed and hot When plugging and unplugging, the inrush current can reach several tens of amperes. Such a large peak current can cause impact and damage to the input power supply and other components in the power supply circuit, thereby reducing the reliability of the system.
  • the embodiment of the invention provides a single power supply circuit and a power supply system, which can reduce damage to the power supply and other components caused by excessive charging current when the power is turned on.
  • the embodiment of the present invention provides a single power supply circuit, the single power supply circuit includes: a power supply, a storage capacitor in parallel with the load, a control unit, a signal processing unit, and a parallel main circuit and a charging circuit; wherein
  • the power source is respectively connected to the load through the main circuit and the charging circuit; wherein the impedance of the charging circuit is greater than the main circuit;
  • the control unit is connected to the main circuit through a signal processing unit, and the signal processing unit is configured to convert the control signal sent by the control unit into a driving signal of the main circuit;
  • the power supply When the power supply is turned on to the load, the power supply charges the storage capacitor through the charging circuit; after the power supply is charged to the storage capacitor, the control unit drives the main circuit to communicate, so that the power supply supplies power to the load through the main circuit.
  • control unit is connected to the charging circuit by a signal processing unit
  • signal processing unit is further configured to convert the control signal sent by the control unit into a driving signal of the charging circuit
  • the control unit When the power supply is turned on to the load, the control unit sends a first driving signal that drives the charging circuit to communicate, so that the power source charges the storage capacitor through the charging circuit; after the power source charges the storage capacitor, the control unit sends the driving main circuit to communicate. And a second driving signal, and transmitting a third driving signal that drives the charging circuit to be disconnected, so that the power supply supplies power to the load through the main circuit.
  • the method further includes: when the power supply of the power is turned off, the control unit sends a fourth driving signal that drives the charging circuit to be disconnected, so that the power supply stops supplying power to the load through the main circuit.
  • the main circuit comprises a first MOS transistor.
  • the charging circuit comprises a second MOS transistor and a first resistor.
  • a source of the first MOS transistor is connected to the power source
  • a gate of the first MOS transistor is connected to the signal processing unit
  • a drain of the first MOS transistor is connected to the Load
  • a source of the second MOS transistor is connected to the power source, a gate of the second MOS transistor is connected to the signal processing unit, and a drain of the second MOS transistor is connected to the Said load.
  • control unit is a single chip microcomputer.
  • the signal processing unit comprises a first processing module and a second processing module; wherein:
  • the first processing module includes a second resistor R311, a third resistor R312, a first transistor VT32, a fourth resistor R324, a second transistor VT34, a third transistor VT35, a fifth resistor R327, wherein;
  • the base of the first transistor VT32 is connected to the control unit through a second resistor R311,
  • the three resistor R312 is connected to the collector of the first transistor VT32, and the bases of the second transistor VT34 and the third transistor VT35 are respectively connected to the collector of the first transistor VT32 through the fourth resistor R324,
  • the emitter of the diode VT34 is connected in series to the emitter of the third transistor VT35, and the emitter of the second transistor VT34 is connected to the gate of the first MOS transistor through the fifth resistor R327;
  • the second processing module includes a sixth resistor R329, a seventh resistor R313, a fourth transistor VT33, an eighth resistor R325, a fifth transistor VT36, a sixth transistor VT37, a ninth resistor R326, wherein;
  • the base of the fourth transistor VT33 is connected to the control unit through a sixth resistor R329, the seventh resistor R313 is connected to the collector of the fourth transistor VT33, the fifth transistor VT36 and the sixth transistor VT37
  • the base of each of the bases is connected to the collector of the fourth transistor VT33 through the eighth resistor R325, the emitter of the fifth transistor VT36 is connected in series to the emitter of the sixth transistor VT37, and the emission of the fifth transistor VT36
  • the pole is connected to the gate of the second MOS transistor through a ninth resistor R326.
  • a time difference between the first driving signal and the second driving signal sent by the control unit is set as a charging time of the storage capacitor.
  • the charging circuit includes a tenth resistor R41, an eleventh resistor R42, and a first capacitor C44.
  • the tenth resistor R41 and the eleventh resistor R42 are connected in series and connected to both ends of the power source 10,
  • the connection point of the tenth resistor R41 and the eleventh resistor R42 is connected to the gate of the first MOS transistor, and both ends of the first capacitor C44 are respectively connected to the gate and the source of the first MOS transistor.
  • Embodiments of the present invention also provide a power supply system including one or more single power supply circuits, wherein the one or more single power supply circuits are respectively connected in parallel to a load, and are configured to provide power to the load.
  • the single power supply circuit is any of the above single power supply circuits.
  • the technical solution provided by the embodiment of the present invention includes: a single power supply circuit including a power supply, a storage capacitor connected in parallel with the load, a control unit, a signal processing unit, and a parallel main circuit and a charging circuit; wherein, the power supply respectively Connected to the load through the main circuit and the charging circuit; wherein the impedance of the charging circuit is greater than the main circuit; the control unit is connected to the main circuit through the signal processing unit, the signal processing unit is configured to convert the control signal sent by the control unit into the main circuit Drive signal; when the power supply is turned on to the load, the power supply charges the storage capacitor through the charging circuit; After the source is charged to the storage capacitor, the control unit drives the main circuit to communicate such that the power supply provides power to the load through the main circuit.
  • the main circuit and the charging circuit are included between the power source and the load, and the impedance of the main circuit is small, and the impedance of the charging circuit is greater than that of the main circuit. Therefore, when the power supply to the load is started, the power source passes through the impedance. The large charging circuit charges the storage capacitor.
  • the charging current generated by the charging circuit is relatively small, thereby reducing the peak value of the instantaneous charging current, reducing the damage to the power supply and other components caused by excessive charging current, and improving The reliability of the system, on the other hand, during normal power supply, the load is charged by the main circuit with less impedance, which reduces the heat loss caused by the impedance of the main circuit and enhances the reliability of the system.
  • FIG. 1 is a schematic diagram of a relay method in a power supply circuit of the related art
  • FIG. 2 is a schematic diagram of a MOS tube method in a power supply circuit of the related art
  • FIG. 3 is a block diagram of a single power supply circuit according to an embodiment of the present invention.
  • FIG. 4 is a circuit diagram of a single power supply circuit according to an embodiment of the present invention.
  • FIG. 5A and FIG. 5B are waveform diagrams of a MOS transistor VT39 and a MOS transistor VT38 according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of another charging circuit according to an embodiment of the present invention.
  • the embodiment of the invention provides a single power supply circuit
  • the single power supply circuit comprises: a power supply, a storage capacitor connected in parallel with the load, a control unit, a signal processing unit, and a parallel main circuit and a charging circuit; wherein the power supply passes through the main circuit respectively And the charging circuit is connected to the load; wherein the impedance of the charging circuit is greater than the main circuit;
  • the control unit is connected to the main circuit through the signal processing unit, the signal processing unit is configured to convert the control signal sent by the control unit into the driving signal of the main circuit;
  • the control unit drives the main circuit to communicate such that the power supply provides power to the load through the main circuit.
  • control unit is connected to the charging circuit by a signal processing unit, and the signal processing unit is further configured to convert the control signal sent by the control unit into a driving signal of the charging circuit;
  • the control unit When the power supply is turned on to the load, the control unit sends a first driving signal that drives the charging circuit to communicate, so that the power source charges the storage capacitor through the charging circuit; after the power source charges the storage capacitor, the control unit sends the driving main circuit to communicate. And a second driving signal, and transmitting a third driving signal that drives the charging circuit to be disconnected, so that the power supply supplies power to the load through the main circuit.
  • the single power supply circuit includes: a power supply 10, an energy storage unit 30 connected in parallel with the load 20, a control unit 40, a signal processing unit 50, and a parallel connection.
  • the energy storage unit is a storage capacitor.
  • the power supply 10 is connected to the load 20 through the main circuit 60 and the charging circuit 70, respectively, and the impedance of the charging circuit 70 is greater than the main circuit 60;
  • the control unit 40 is connected to the main circuit 60 and the charging circuit 70 via the signal processing unit 50, respectively, and the signal processing unit 50 is arranged to convert the control signals transmitted by the control unit 40 into the drive signals of the main circuit 60 and the charging circuit 70. Since the voltage of the output signal of the control unit 40 is small, it is insufficient to drive the opening and closing of the main circuit 60 and the charging circuit 70. Therefore, the input voltage of the control unit 40 needs to be boosted to the main circuit 60 and the charging circuit by the signal processing unit 50. 70 drive voltage.
  • the control unit 40 When the power source 10 is powered on the load 20, the control unit 40 sends a first driving signal that drives the charging circuit 70 to communicate, so that the power source 10 charges the storage capacitor through the charging circuit 70; after the power source 10 charges the storage capacitor, The control unit 40 transmits a second drive signal that drives the main circuit 60 to communicate, and transmits a third drive signal that drives the charging circuit 70 to be turned off, so that the power source 10 supplies power to the load 20 through the main circuit 60.
  • the control unit 40 transmits a fourth driving signal that drives the charging circuit 70 to be turned off, so that the power source 10 stops supplying power to the load 20 through the main circuit 60.
  • the time when the control unit 40 transmits the first driving signal and the second driving signal The difference is set to the charging time of the storage capacitor.
  • the main circuit 60 includes a first MOS transistor.
  • the charging circuit 70 includes a second MOS transistor and a first resistor.
  • the main circuit 60 includes a MOS transistor VT38 (first MOS transistor), and the charging circuit 70 includes a MOS transistor VT39 (second MOS transistor) and a resistor R328 (first resistor).
  • the storage capacitor is capacitor C178.
  • the MOS transistor VT38 and the MOS transistor VT39 are both N-channel MOS transistors, that is, NMOS.
  • the source of the MOS transistor VT38 is connected to the power supply V10, the gate of the MOS transistor VT38 is connected to the signal processing unit 50, the drain of the MOS transistor VT38 is connected to the load G10;
  • a source of the MOS transistor VT39 is connected to the power source V10, a gate of the MOS transistor VT39 is connected to the signal processing unit, and a drain of the MOS transistor VT39 is connected to the load G10 through the resistor R328. .
  • control unit 40 is a single chip D22.
  • the signal processing unit 50 includes a first processing module 51 and a second processing module 52;
  • the first processing module 51 includes a second resistor R311, a third resistor R312, a first transistor VT32, a fourth resistor R324, a second transistor VT34, a third transistor VT35, a fifth resistor R327, wherein A gate (also referred to as a base) of a transistor VT32 is connected to the control unit through a second resistor R311, and a third resistor R312 is connected to a drain (also called a collector) of the first transistor VT32.
  • the other end of the third resistor R312 is connected to the powered VCC (for example, 12V), and the gates of the second transistor VT34 and the third transistor VT35 (also referred to as the base) are respectively connected to the first three through the fourth resistor R324.
  • the drain of the pole tube VT32 also called the collector
  • the source of the second transistor VT34 also called the emitter
  • the source (also called the emitter) of the diode VT34 is connected to the gate of the first MOS transistor VT38 through the fifth resistor R327;
  • the second processing module 52 includes a sixth resistor R329, a seventh resistor R313, a fourth transistor VT33, an eighth resistor R325, a fifth transistor VT36, a sixth transistor VT37, a ninth resistor R326, and
  • the gate of the fourth transistor VT33 (also referred to as the base) is connected to the control unit through a sixth resistor R329, and the seventh resistor R313 is connected to the drain of the fourth transistor VT33 (also called a set) Electrode), the other end of the seventh resistor R313 is connected to the powered VCC (for example, 12V), and the gates of the fifth transistor VT36 and the sixth transistor VT37 (also referred to as the base) are respectively connected to the eighth resistor R325 through
  • the drain of the fourth triode VT33 also called the collector
  • the source of the fifth triode VT36 (also called the emitter) is connected in series to the source of the sixth triode VT37 (also called the emitter)
  • the input power supply V10 is powered on, VT38 and VT39 are not turned on, and C178 is not charged.
  • the first driving signal is output, driven by VT36 and VT37, so that VT39 is turned on, the DC power supply V10 charges the capacitor C178 through VT39 and R328, and after the C178 is charged, the single-chip D22 outputs the second driving signal and the third again.
  • the driving signal and the second driving signal are respectively driven by VT34 and VT35 to turn on VT38.
  • the single-chip microcomputer D22 After VT38 is turned on, the single-chip microcomputer D22 outputs a third driving signal, and is driven by VT36 and VT37 to turn off VT39, and V10 supplies power to the load G10 through VT38. At this time, the power supply V10 completes the opening process.
  • the single-chip D22 When the power supply V10 is turned off, when the power supply V10 needs to be turned off, the single-chip D22 generates a fourth driving signal, which is driven by VT34 and VT35, turns off VT38, and turns off the output.
  • FIG. 5A and FIG. 5B are waveform diagrams of a MOS transistor VT39 and a MOS transistor VT38 according to an embodiment of the present invention.
  • a waveform diagram during the turn-on of the power supply V10 is shown
  • CH2 is a VT39GS (gate-source) drive waveform
  • CH1 is a VT38GS (gate-source) drive waveform
  • a waveform diagram during the turn-off of the power supply V10 is shown
  • CH3 is a VT38GS (gate-source) turn-off waveform
  • CH4 is a VT38DS (drain-source) voltage waveform.
  • the signal processing unit 50 is implemented by using a triode (the transistor in this embodiment) as an example.
  • the signal processing unit 50 can also be implemented by other means, for example, MOS tube implementation.
  • the charging circuit 70 is described by taking a MOS transistor and a resistor as an example. Further, the charging circuit 70 may be implemented by other means.
  • the charging circuit can be implemented by a switching circuit composed of a triode.
  • the Miller platform charges the energy storage unit 30.
  • FIG. 6 is a circuit diagram of another method for implementing a charging circuit according to an embodiment of the present invention.
  • the main circuit 60 includes a MOS transistor VT45 (first MOS transistor), and the charging circuit 70 includes a tenth resistor R41, an eleventh resistor R42, and a first capacitor C44.
  • the tenth resistor R41 and the eleventh resistor R42 are connected in series. Then connected to both ends of the power source 10, the connection point of the tenth resistor R41 and the eleventh resistor R42 is connected to the G pole of the MOS transistor VT45, and the two ends of the first capacitor C44 are respectively connected to the G pole and the S pole of the MOS transistor VT45. .
  • the embodiment of the present invention further provides a power supply system, where the power supply system includes one or more single power supply circuits, and the one or more single power supply circuits are respectively connected in parallel to the load.
  • the power supply circuit is configured to provide power to the load, and the single power supply circuit is any single power supply circuit provided by the embodiments of the present invention.
  • each module/unit in the above embodiment may be implemented in the form of hardware, for example, by implementing an integrated circuit to implement its corresponding function, or may be implemented in the form of a software function module, for example, executing a program stored in the memory by a processor. / instruction to achieve its corresponding function.
  • Embodiments of the invention are not limited to any specific form of combination of hardware and software.
  • the main circuit and the charging circuit are included between the power source and the load, and the main
  • the impedance of the circuit is small, and the impedance of the charging circuit is greater than that of the main circuit. Therefore, when the power supply to the load is started, the power supply charges the storage capacitor through the charging circuit with a large impedance, and the charging generated by the charging circuit is compared with the main circuit.
  • the current is relatively small, thus reducing the peak value of the instantaneous charging current, reducing the damage of the power supply and other components caused by the excessive charging current, improving the reliability of the system, and on the other hand, passing the smaller impedance during normal power supply.
  • the circuit charges the load, reducing the heat loss caused by the impedance of the main circuit and enhancing the reliability of the system.

Abstract

Circuit à alimentation électrique unique et système d'alimentation électrique. Un circuit d'alimentation électrique comporte: une alimentation électrique (10), un condensateur (30) de stockage d'énergie qui est branché en parallèle avec une charge (20), une unité (40) de commande, une unité (50) de traitement de signal, un circuit principal (60) et un circuit (70) de charge. L'alimentation électrique (10) est reliée à la charge (20) à travers le circuit principal (60) et le circuit (70) de charge respectivement; la résistance du circuit (70) de charge est supérieure à celle du circuit principal (60); l'unité (40) de commande est reliée au circuit principal (60) à travers l'unité (50) de traitement de signal; et l'unité (50) de traitement de signal est configurée pour convertir un signal de commande émis par l'unité (40) de commande en un signal d'excitation du circuit principal (60). Lorsque l'alimentation électrique (10) est mise sous tension pour assurer l'alimentation de la charge (20), l'alimentation électrique (10) charge le condensateur (30) de stockage d'énergie à travers le circuit (70) de charge; et après que l'alimentation électrique (10) a chargé le condensateur (30) de stockage d'énergie, l'unité (40) de commande excite le circuit principal (60) de telle façon qu'il soit mis en communication, de sorte que l'alimentation électrique (10) assure l'alimentation de la charge (20) à travers le circuit principal (60).
PCT/CN2016/077708 2015-07-27 2016-03-29 Circuit à alimentation électrique unique et système d'alimentation électrique WO2016177197A1 (fr)

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CN201510445815.5A CN106708154B (zh) 2015-07-27 2015-07-27 一种单电源电路和电源系统
CN201510445815.5 2015-07-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106787848A (zh) * 2016-12-16 2017-05-31 深圳市群芯科创电子有限公司 一种ac‑dc供电电路及其控制方法
CN109739160A (zh) * 2019-03-13 2019-05-10 上海采日能源科技有限公司 一种电池控制装置及系统
WO2023039749A1 (fr) * 2021-09-15 2023-03-23 深圳市华思旭科技有限公司 Procédé et dispositif d'allumage automatique, dispositif d'alimentation électrique de démarrage et dispositif cosse de batterie

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110932531A (zh) * 2019-11-26 2020-03-27 上海军陶电源设备有限公司 驱动电路及供电控制电路

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1841880A (zh) * 2005-03-29 2006-10-04 三菱扶桑卡客车株式会社 电动汽车用变压电路
CN201063461Y (zh) * 2007-06-28 2008-05-21 中兴通讯股份有限公司 断电告警储能电路
US20130050880A1 (en) * 2011-08-25 2013-02-28 Hamilton Sundstrand Corporation Solid state power controller for high voltage direct current systems
CN103595034A (zh) * 2013-10-23 2014-02-19 航天东方红卫星有限公司 一种闭环消浪涌电路
CN104426211A (zh) * 2013-08-30 2015-03-18 福特全球技术公司 预充电快速钥匙循环保护

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201345613Y (zh) * 2008-12-18 2009-11-11 比亚迪股份有限公司 一种用于带载启动的电压调整装置
US20120293903A1 (en) * 2009-06-16 2012-11-22 Chicony Power Technology Co., Ltd. Power supply apparatus with inrush current prevention circuit
JP2012205408A (ja) * 2011-03-25 2012-10-22 Denso Corp 電源回路
TWI487260B (zh) * 2011-10-27 2015-06-01 Quanta Comp Inc 供電系統
CN103683239A (zh) * 2013-12-16 2014-03-26 杭州电子科技大学 一种浪涌保护电路

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1841880A (zh) * 2005-03-29 2006-10-04 三菱扶桑卡客车株式会社 电动汽车用变压电路
CN201063461Y (zh) * 2007-06-28 2008-05-21 中兴通讯股份有限公司 断电告警储能电路
US20130050880A1 (en) * 2011-08-25 2013-02-28 Hamilton Sundstrand Corporation Solid state power controller for high voltage direct current systems
CN104426211A (zh) * 2013-08-30 2015-03-18 福特全球技术公司 预充电快速钥匙循环保护
CN103595034A (zh) * 2013-10-23 2014-02-19 航天东方红卫星有限公司 一种闭环消浪涌电路

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106787848A (zh) * 2016-12-16 2017-05-31 深圳市群芯科创电子有限公司 一种ac‑dc供电电路及其控制方法
CN106787848B (zh) * 2016-12-16 2023-03-28 深圳市群芯科创电子有限公司 一种ac-dc供电电路及其控制方法
CN109739160A (zh) * 2019-03-13 2019-05-10 上海采日能源科技有限公司 一种电池控制装置及系统
WO2023039749A1 (fr) * 2021-09-15 2023-03-23 深圳市华思旭科技有限公司 Procédé et dispositif d'allumage automatique, dispositif d'alimentation électrique de démarrage et dispositif cosse de batterie

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