EP4609471A1 - Unité d'alimentation électrique de système d'alimentation de télécommunication - Google Patents

Unité d'alimentation électrique de système d'alimentation de télécommunication

Info

Publication number
EP4609471A1
EP4609471A1 EP23911112.3A EP23911112A EP4609471A1 EP 4609471 A1 EP4609471 A1 EP 4609471A1 EP 23911112 A EP23911112 A EP 23911112A EP 4609471 A1 EP4609471 A1 EP 4609471A1
Authority
EP
European Patent Office
Prior art keywords
power supply
supply unit
processor
port
unit according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23911112.3A
Other languages
German (de)
English (en)
Inventor
Phichej Cheevanantachai
Songphol Songwasin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delta Electronics Thailand PCL
Original Assignee
Delta Electronics Thailand PCL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Delta Electronics Thailand PCL filed Critical Delta Electronics Thailand PCL
Publication of EP4609471A1 publication Critical patent/EP4609471A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H01R27/02—Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more dissimilar counterparts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for DC mains or DC distribution networks
    • H02J1/08—Three-wire DC power distribution systems; Systems having more than three wires
    • H02J1/082—DC supplies with two or more different DC voltage levels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/10—Current supply arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
    • H02J2105/40—Networks for supplying or distributing electric power characterised by their spatial reach or by the load characterised by the loads connecting to the networks or being supplied by the networks
    • H02J2105/42—Home appliances
    • H02J2105/425—Home appliances the loads being an Information and Communication Technology [ICT] facility

Definitions

  • the present disclosure relates to a power supply unit, and more particularly to a power supply unit of a telecom power system.
  • the second platform regarded as isolation platform, there is an isolation between the high voltage circuit and the low voltage and communication circuits.
  • the second platform requires two difference system grounds and needs more spacing on creepage and clearance between the high voltage circuit and the low voltage and communication circuits.
  • the present disclosure provides a power supply unit of a telecom power system which is applicable for both the isolation application and the non-isolation application, thereby decreasing reducing the design complexity and the cost.
  • a power supply unit of a telecom power system includes a power supply circuit and a power supply connector.
  • the power supply circuit includes a first port and a second port.
  • the first port is configured to provide a first voltage and includes a first output terminal and a first ground terminal.
  • the second port is configured to provide a second voltage and includes a second output terminal and a second ground terminal.
  • the second voltage is lower than the first voltage, and the second ground terminal is capable to be connected or keep isolated from the first ground terminal.
  • the power supply connector is configured as an output connector of the power supply unit and includes a first contact area, a second contact area and a third contact area.
  • the first contact area includes a plurality of first pins electrically connected to the first ground terminal
  • the second contact area includes a plurality of second pins configured as output pins of the first circuit and electrically connected to the first output terminal
  • the third contact area includes a plurality of third pins.
  • the first contact area, the second contact area and the third contact area are arranged sequentially, and the power supply connector has a distance between the second contact area and the third contact area.
  • FIG. 1 schematically shows a telecom power system with nonisolation platform
  • FIG. 2 schematically shows a telecom power system with isolation platform
  • FIG. 3 is a schematic block diagram illustrating a power supply unit of a telecom power system according to a first embodiment of the present disclosure
  • FIG. 4 schematically shows an implementation of the power supply unit of FIG. 3;
  • FIG. 5 is a schematic block diagram illustrating a power supply unit of a telecom power system according a second embodiment of the present disclosure
  • FIG. 6 is a schematic view illustrating a power supply connector of a power supply unit according to an embodiment of the present disclosure.
  • FIG. 7 schematically shows various kinds of system connectors that the power supply connector of the present disclosure is applicable for.
  • FIG. 3 is a schematic block diagram illustrating a power supply unit of a telecom power system according to a first embodiment of the present disclosure.
  • the power supply unit 1 includes a first port, a second port, a processor 11, an amplifier unit 12 and a communication module 13.
  • the first port is configured to provide a first voltage and includes a first output terminal Pl and a first ground terminal P2.
  • the second port is configured to provide a second voltage and includes a second output terminal P3 and a second ground terminal P4.
  • the second voltage is lower than the first voltage.
  • the first voltage may be 54V or 48V
  • the second voltage may be 12V or a standby voltage of 12V.
  • the second ground terminal P4 may be isolated from the first ground terminal P2.
  • the circuit related to the first voltage may be electrically isolated from the circuit related to the second voltage.
  • the processor 11 has a reference point electrically connected to the second ground terminal P4, and the processor 11 is configured for system control, communication and controlling the output power provided by the first port and second port, for example, the processor 11 may work as both of a PWM feedback controller and a housekeeping and system communication controller, but not limited thereto.
  • the processor 11 may be used for control and feedback of the first port and CAN (controller area network) bus for system communication and power supply unit warning status signals and system control logic to power supply.
  • the processor 11 may further include a communication port P5.
  • the communication port 5 is configured to communicate signals between the telecom power system and the power supply unit 1.
  • the processor 11 may receive the control logic of starting or shutting down the power supply unit 1 from the telecom power system, and also the processor 11 may report the operation status of the power supply unit 1 to the telecom power system based on a bus communication protocol.
  • the processor 11 includes a DSP (digital signal processing) MCU (microcontroller unit), but not limited thereto.
  • the amplifier unit 12 has a reference point electrically connected to the first ground terminal P2.
  • the amplifier unit 12 includes at least one operational amplifier, and a reference point of the at least one operational amplifier is electrically connected to the first ground terminal P2.
  • the communication module 13 is configured to transmit signals between the processor 11 and the amplifier unit 12 with electrical isolation.
  • the circuits related to the first voltage i.e., the high voltage
  • the circuits related to the second voltage i.e., the low voltage
  • the power supply unit 1 may further include a first converter, which is used to convert a voltage from a high voltage source into the first voltage provided to the first port.
  • a first converter which is used to convert a voltage from a high voltage source into the first voltage provided to the first port.
  • an isolated transformer 14 and a switch circuit 15 may be included in the first converter.
  • the processor 11 may control the power provided at the first port by providing at least one control signal to the switch circuit 15.
  • the processor 11 provides the control signal to the switch circuit 15 through an optical isolation PWM driver (OPTO isolation PWM driver) or a driver transformer.
  • OPTO isolation PWM driver optical isolation PWM driver
  • the optical isolation PWM driver (OPTO isolation PWM driver) or the driver transformer includes a transmitter and a receiver, the processor 11 outputs the control signal for switch circuit 15 to the transmitter, and the receiver is triggered by the transmitter to transmit the control signal to drive at least the primary switches in the switch circuit 15, but not limited thereto.
  • the power supply unit 1 may further include a second converter, which is used to convert a voltage from a high voltage source into the second voltage provided to the second port.
  • a second converter which is used to convert a voltage from a high voltage source into the second voltage provided to the second port.
  • an isolated transformer 16 and a switch circuit 17 may be included in the second converter.
  • the power supply unit 1 further includes a control circuit 18 electrically connected to the processor 11, the control circuit 18 reports the status of the power provided by the second port, and the processor 11 provides a control signal to the control circuit 18 for controlling the power provided by the second port (e.g., ON/OFF).
  • the power supply unit 1 may have some detection circuits for status detection.
  • the amplifier unit 12 is adapted to interface between the communication module 13 and the detection circuits. Specifically, the amplifier unit 12 is electrically connected to the detection circuits and provides the detection results to the communication module 13, and the communication module 13 transmits the detection results to the processor 11 with electrical isolation.
  • FIG. 4 schematically shows an implementation of the power supply unit of FIG. 3.
  • the communication module 13 may include at least one opto-coupler for transmitting the detection result with electrical isolation, and each opto-coupler includes a transmitter and a receiver electrically connected to the amplifier unit 12 and the processor 11 respectively.
  • the detection circuits for detecting the status of the power provided by the first port may include at least one of a voltage sensing circuit, a current sensing circuit, an OVP fault detection circuit, an OCP fault detection circuit, and a short-circuit detection circuit, but not exclusively.
  • the amplifier unit 12 receives the detection results from the voltage sensing circuit, the current sensing circuit, the OVP fault detection circuit and the OCP fault detection circuit and provides to four opto-coupler of the communication module.
  • the transmitter 131a and the receiver 131b of an opto-coupler of the communication module 13 transmits the voltage detection result to the processor 11 with electrical isolation.
  • the transmitter 132a and the receiver 132b of an opto-coupler of the communication module 13 transmits the current detection result to the processor 11 with electrical isolation.
  • the transmitter 133a and the receiver 133b of an opto-coupler of the communication module 13 transmits the OVP fault detection result to the processor 11 with electrical isolation.
  • the transmitter 134a and the receiver 134b of an opto-coupler of the communication module 13 transmits the OCP fault detection result to the processor 11 with electrical isolation. It is noted that the number of the at least one operational amplifier of the amplifier unit 12 and the number of the at least one opto-coupler of the communication module 13 are not limited and may be determined according to the number of the detection circuits.
  • FIG. 5 is a schematic block diagram illustrating a power supply unit of a telecom power system according a second embodiment of the present disclosure.
  • the components corresponding to those of FIG. 3 are designated by the same numeral references, and thus detailed descriptions thereof are omitted herein.
  • the amplifier unit 12 reports the status of the power provided by the first port to the processor 11, and the processor 11 is adapted to control the whole power supply unit 1.
  • the power supply unit 2 utilizes a first processor 21 and a second processor 22 for controlling the powers provided by the second port and the first port respectively.
  • the power supply unit 2 includes the first processor 21 and the second processor 22.
  • the first processor 21 has a reference point electrically connected to the second ground terminal P4. Similar with the processor 11 of the first embodiment, the first processor 21 is also used for communication, and the first processor 21 may receive the status of the power provided by the second port from the control circuit 18 and provides a control signal to the control circuit 18 for controlling the power provided by the second port (e.g., ON/OFF).
  • the second processor 22 has a reference point electrically connected to the first ground terminal P2, and the second processor 22 controls the power provided at the first port by providing a control signal to the switch circuit 15.
  • the first processor 21 includes a microcontroller unit
  • the second processor 22 includes a digital signal processing microcontroller unit.
  • the second processor 22 may provide the control signal to the switch circuit 15 through an optical isolation PWM driver (OPTO isolation PWM driver) or a driver transformer.
  • the optical isolation PWM driver (OPTO isolation PWM driver) or the driver transformer includes a transmitter and a receiver, the second processor 22 outputs the control signal to the transmitter, and the receiver in the switch circuit 15 is triggered by the transmitter to transmit the control signal to switches of the switch circuit 15.
  • the first processor 21 may provide a control signal to the second processor 22 through a transmitter 23 and a receiver 24 of an opto-coupler, and the control signal is used to control the ON/OFF of the first voltage.
  • the second processor 22 communicates with the first processor 21 through an internal communication bus of the power supply unit 2, and the second processor 22 reports the status of the power provided by the first port to the first processor 21 through the internal communication bus.
  • FIG. 6 is a schematic view illustrating a power supply connector of a power supply unit according to an embodiment of the present disclosure.
  • the power supply connector 3 is connected to the power supply circuit of the power supply unit shown in the above embodiments (i.e., the circuit of the power supply unit 1 of the first embodiment shown in FIG. 3 or 4 or the circuit of the power supply unit 2 of the second embodiment shown in FIG. 5).
  • the power supply connector 3 includes a first part and a second part arranged sequentially.
  • the first part includes a first contact area 31 , which includes a plurality of pins electrically connected to the first ground terminal P2.
  • the second part includes a second contact area 32 and a third contact area 33
  • the second contact area 32 includes a plurality of pins electrically connected to the first output terminal Pl
  • the third contact area 33 includes a plurality of pins, which may be electrically connected to at least one of the second output terminal P3, the second ground terminal P4 and the communication port P5.
  • the power supply connector 3 includes a gap between the first part and the second part, a distance is between the second contact area 32 and the third contact area 33 for ensuring enough creepage and clearance between the high voltage circuit and the low voltage and communication circuits under a maximum operating current.
  • the telecom power system needs the power supply units with two different platforms.
  • the non-isolation platform there is no isolation between the high voltage (e.g., 54V) circuit and the low voltage (e.g., 12V) and communication circuits.
  • the ground of the high voltage may be directly connected to the ground of the low voltage and communication signals.
  • the non-isolation platform requires simple control wiring diagram, and all the grounds can join as one node which connects with floating chassis ground.
  • the non-isolation platform may be applied to the non-isolation application such as M-CRPS (modular common redundant power supply).
  • the isolation platform there is an isolation between the high voltage circuit and the low voltage and communication circuits.
  • the ground of the high voltage is isolated from the ground of the low voltage and communication signals.
  • the isolation may be realized by disposing Y capacitors.
  • the isolation platform requires two difference system grounds and needs more spacing on creepage and clearance between the high voltage circuit and the low voltage and communication circuits.
  • the isolation platform may be applied to the isolation application such as PoE (power over ethemet) requirement.
  • FIG. 7 schematically shows various kinds of system connectors and application systems that the power supply connector of the present disclosure is applicable for.
  • the system connector 4 belongs to a non-isolation system.
  • first pins 41, second pins 42 and third pins 43 of the system connector 4 are respectively coupled to the pins of the first contact area 31 , the pins of the second contact area 32 and the pins of the third contact area 33.
  • the system connector 4 may further includes a ground pin (not shown) electrically connected to the system earth 44.
  • the first pins 41 and the pins of the first contact area 31 are electrically connected to the system earth 44.
  • Another system connector 5 belongs to an isolation system.
  • first pins 51, second pins 52 and third pins 53 of the system connector 5 are respectively coupled to the pins of the first contact area 31 , the pins of the second contact area 32 and the pins of the third contact area 33.
  • the first pin 51 and the pins of the first contact area 31 are isolated from the system earth 54.
  • Another system connector 6 belongs to an isolation system.
  • first pins 61, second pins 62 and third pins 63 of the system connector 6 are respectively coupled to the pins of the first contact area 31 , the pins of the second contact area 32 and the pins of the third contact area 33.
  • the first pin 61 and the pins of the first contact area 31 are isolated from the system earth 64.
  • the system connector 6 further include pins 65 between the first pins 61, the second pins 62 and the third pins 63, and the pins 65 are not connected to any power circuit. [0035] Consequently, the power supply unit and the power supply connector of the present disclosure are applicable for both the isolation application and non-isolation application. In particular, there is no need to modify the circuit topology of the power supply unit or the layout of the power supply connector for applying to the applications with different isolation requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Amplifiers (AREA)

Abstract

Unité d'alimentation électrique d'un système d'alimentation de télécommunication. L'unité d'alimentation électrique comprend un circuit d'alimentation électrique et un connecteur d'alimentation électrique. Dans le circuit d'alimentation électrique, un premier port fournit une première tension et comprend des premières bornes de sortie et de masse, et un second port fournit une seconde tension et comprend des secondes bornes de sortie et de masse. La seconde tension est inférieure à la première tension. Dans le connecteur d'alimentation électrique, une première zone de contact comprend des premières broches électriquement connectées à la première borne de masse, une deuxième zone de contact comprend des deuxièmes broches connectées électriquement à la première borne de sortie, et une troisième zone de contact comprend des troisièmes broches électriquement isolées des première et deuxième broches. Les première, deuxième et troisième zones de contact sont agencées séquentiellement, et le connecteur d'alimentation électrique a une distance entre les deuxième et troisième zones de contact.
EP23911112.3A 2022-12-27 2023-12-26 Unité d'alimentation électrique de système d'alimentation de télécommunication Pending EP4609471A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202263435425P 2022-12-27 2022-12-27
US202363466751P 2023-05-16 2023-05-16
PCT/IB2023/063247 WO2024141934A1 (fr) 2022-12-27 2023-12-26 Unité d'alimentation électrique de système d'alimentation de télécommunication

Publications (1)

Publication Number Publication Date
EP4609471A1 true EP4609471A1 (fr) 2025-09-03

Family

ID=91716617

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23911112.3A Pending EP4609471A1 (fr) 2022-12-27 2023-12-26 Unité d'alimentation électrique de système d'alimentation de télécommunication
EP23911111.5A Pending EP4609478A1 (fr) 2022-12-27 2023-12-26 Unité d'alimentation électrique d'un système d'alimentation de télécommunication

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP23911111.5A Pending EP4609478A1 (fr) 2022-12-27 2023-12-26 Unité d'alimentation électrique d'un système d'alimentation de télécommunication

Country Status (4)

Country Link
EP (2) EP4609471A1 (fr)
CN (2) CN120604408A (fr)
TW (2) TWI872882B (fr)
WO (2) WO2024141933A1 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4438804C1 (de) * 1994-10-31 1996-03-28 Weidmueller Interface Modulare Steuerungsanlage mit Busleiter z. B. zur Gebäudeautomatisierung
US6220872B1 (en) * 1999-01-27 2001-04-24 Delta Electronics Modular power supply
US8076796B1 (en) * 2009-08-04 2011-12-13 Adtran, Inc. Adaptive power supply for telecommunications networks
WO2011026047A1 (fr) * 2009-08-28 2011-03-03 Green Plug Alimentation électrique à haute et basse puissance, avec fonctions d'économie d'énergie en veille
TWI449300B (zh) * 2011-05-24 2014-08-11 Compal Electronics Inc 電源供應模組
CN104182021B (zh) * 2013-05-24 2017-05-31 快捷半导体(苏州)有限公司 一种供电电路、方法及便携式设备
TW201514671A (zh) * 2013-06-14 2015-04-16 Hon Hai Prec Ind Co Ltd 電源電路
CN205017215U (zh) * 2015-08-27 2016-02-03 台达电子企业管理（上海）有限公司 电源适配器、电源适配器中的电源装置以及输出装置
US9899834B1 (en) * 2015-11-18 2018-02-20 Western Digital Technologies, Inc. Power control module using protection circuit for regulating backup voltage to power load during power fault
CN113206413A (zh) * 2016-12-27 2021-08-03 华为技术有限公司 一种直流连接器、交直流输入设备和交直流输入系统
KR102080435B1 (ko) * 2019-03-29 2020-02-21 안준범 다목적 충전 구조체
CN110277700B (zh) * 2019-06-18 2020-11-13 维沃移动通信有限公司 一种连接器
US11749670B2 (en) * 2020-05-18 2023-09-05 Taiwan Semiconductor Manufacturing Company Limited Power switch for backside power distribution

Also Published As

Publication number Publication date
EP4609478A1 (fr) 2025-09-03
TW202427125A (zh) 2024-07-01
TWI877963B (zh) 2025-03-21
CN120642161A (zh) 2025-09-12
WO2024141934A1 (fr) 2024-07-04
WO2024141933A1 (fr) 2024-07-04
CN120604408A (zh) 2025-09-05
TW202427126A (zh) 2024-07-01
TWI872882B (zh) 2025-02-11

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