WO2012075823A1 - Alimentation électrique numérique, et dispositif d'affichage externe connecté à cette alimentation - Google Patents

Alimentation électrique numérique, et dispositif d'affichage externe connecté à cette alimentation Download PDF

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Publication number
WO2012075823A1
WO2012075823A1 PCT/CN2011/078059 CN2011078059W WO2012075823A1 WO 2012075823 A1 WO2012075823 A1 WO 2012075823A1 CN 2011078059 W CN2011078059 W CN 2011078059W WO 2012075823 A1 WO2012075823 A1 WO 2012075823A1
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WO
WIPO (PCT)
Prior art keywords
module
power supply
unit
digital power
display device
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Application number
PCT/CN2011/078059
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English (en)
Chinese (zh)
Inventor
崔昌桥
Original Assignee
深圳市航嘉驰源电气股份有限公司
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.)
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Application filed by 深圳市航嘉驰源电气股份有限公司 filed Critical 深圳市航嘉驰源电气股份有限公司
Publication of WO2012075823A1 publication Critical patent/WO2012075823A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
    • G06F11/3062—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations where the monitored property is the power consumption
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/3089—Monitoring arrangements determined by the means or processing involved in sensing the monitored data, e.g. interfaces, connectors, sensors, probes, agents
    • G06F11/3093—Configuration details thereof, e.g. installation, enabling, spatial arrangement of the probes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine

Definitions

  • the present invention relates to the field of power supply technologies, and in particular, to an external display device to which a digital power source is connected.
  • a power source is a device that converts mains (alternating current) into a stable direct current for converting other forms of energy into electrical energy for use in various electronic devices.
  • PC power supplies power to all parts of the computer (for example, motherboards, floppy disks, hard drives, and various adapter expansion cards). Whether the power, current and voltage of the power supply are stable will directly affect the working performance and service life of the computer.
  • the current PC power supply only provides basic power output. The user cannot directly understand the running status and parameters of the power supply, and the tester can only detect it through special instruments and equipment, which is extremely inconvenient to operate.
  • the main object of the present invention is to provide a digital power source and an external display device connected thereto, which is intended to enable the operating parameters of the power source to be directly presented to the user, and the operation is convenient and simple.
  • a digital power supply provided by the present invention includes:
  • a power module that supplies electrical energy to the electronic device
  • the monitoring module is connected to the power module, collects voltage and current when the power module is working, and calculates operating parameters of the power module according to the voltage and current.
  • the foregoing monitoring module specifically includes:
  • a sampling unit connected to the power module, respectively collecting voltage and current when the power module is working;
  • the metering unit is connected to the sampling unit, calculates according to the voltage and current collected by the sampling unit, and obtains operating parameters of the power module.
  • the monitoring module further includes:
  • control unit connected to the metering unit, and transmitting the operating parameter to the external display device for display in response to the external request;
  • the communication unit is respectively connected to the control unit and the external display device for communication between the digital power source and the external display device.
  • the monitoring module further includes:
  • the display unit is connected to the communication unit to display the operating parameters.
  • the monitoring module further includes:
  • a storage unit connected to the control unit, storing the operating parameter and the calibration parameter
  • the control unit is further configured to transmit calibration parameters to the metering unit, and the metering unit is further configured to calibrate voltages and currents collected by the sampling unit according to calibration parameters to obtain calibration voltages and currents.
  • the present invention also provides an external display device connected to the above digital power source, comprising:
  • connection module for connection and communication with a digital power source
  • a setting module connected to the connection module, for setting a calibration parameter for measuring a digital power operation parameter
  • a display module connected to the connection module, for displaying operational parameters of the digital power supply.
  • the digital power source of the invention performs the measurement of the operating parameters according to the current and voltage of the power source by the metering unit, and solves the problem that the conventional power source cannot visually display the parameters of the power source and the running state thereof, so that the operation is simple and practical.
  • FIG. 1 is a schematic structural view of an embodiment of a digital power supply according to the present invention.
  • FIG. 2 is a schematic structural diagram of an embodiment of a monitoring module in a digital power supply according to the present invention
  • Figure 3 is a schematic structural view of an embodiment of the metering unit of Figure 2;
  • FIG 4 is a schematic structural view of an embodiment of the control unit of Figure 2;
  • Figure 5 is a schematic structural view of an embodiment of the communication unit of Figure 2;
  • FIG. 6 is a schematic diagram of a display interface of an operating parameter of the digital power supply of the present invention through an external display device;
  • FIG. 7 is a schematic structural diagram of another embodiment of a monitoring module in a digital power supply according to the present invention.
  • FIG. 8 is a schematic structural diagram of another embodiment of a monitoring module in a digital power supply according to the present invention.
  • FIG. 9 is a schematic structural view of an embodiment of the memory unit of FIG. 8;
  • FIG. 10 is a schematic structural diagram of calibration parameter setting in the digital power supply of the present invention.
  • Figure 11 is a block diagram showing the structure of an external display device connected to a digital power supply according to the present invention.
  • FIG. 1 is a schematic structural view of an embodiment of a digital power supply according to the present invention.
  • the power module 10 provides electrical energy for the electronic device
  • the power module 10 can provide power for various electronic devices.
  • the power supply module is preferably a PC power module, which can provide functions such as AC input, EMI filtering, rectification filtering, active PFC power factor correction, and PFC & PWM control.
  • PWM drive DC-DC conversion, output rectification filtering, output feedback, etc.; can also provide +5V Standby output, +5V Standby output feedback, +5V Standby output rectification filtering, fan control and over-temperature protection; and can also provide various output protection control (including OVP, OCP, SCP, UVP), and also provide Power Good Signal output function.
  • the monitoring module 11 is connected to the power module 10, collects voltage and current when the power module 10 is in operation, and calculates operating parameters of the power module 10 according to the voltage and current.
  • the operating parameters of the power module 10 in the monitoring module 11 may include: voltage, current, power, PF (Power Factor, power factor), current electricity consumption, cumulative electricity consumption, and carbon dioxide emissions.
  • PF Power Factor, power factor
  • the foregoing monitoring module 11 specifically includes:
  • the sampling unit 111 is connected to the power module, and separately collects voltage and current when the power module 10 is in operation;
  • the measuring unit 112 is connected to the sampling unit 111, performs calculation according to the voltage and current collected by the sampling unit 111, and obtains operating parameters of the power module 10.
  • the sampling unit 111 includes a current sampling circuit and a voltage sampling circuit for respectively collecting voltage and current when the power module 10 is in operation.
  • the unit of measure 112 can be implemented by an energy metering chip or by a special logic circuit.
  • the energy metering chip of this embodiment is preferably, but not limited to, an RN8209 power metering dedicated chip, and the chip pin structure thereof is as shown in FIG.
  • the chip is connected to the current sampling circuit in the sampling unit 111 through the pins 4, 5 for receiving the current sampling signal of the power module 10; the voltage sampling circuit in the sampling unit 111 is connected through the pins 8, 9 for receiving the power module 10 Voltage sampling signal.
  • the RN8209 power metering chip calculates operating parameters such as current, voltage, power, power, and PF value based on the current sampling signal and the voltage sampling signal, and the operating parameters are output through pins 13, 14, and 15.
  • the above monitoring unit 11 further includes:
  • the control unit 113 is connected to the metering unit 112, and transmits the operation parameter to the external display device for display in response to the external request;
  • the communication unit 114 is respectively connected to the control unit 113 and the external display device for communication between the digital power source and the external display device.
  • the control unit 113 communicates with the external display device via the communication unit 114, for example, in response to a request from the external display device, transmits the operational parameters to the external display device for display.
  • the control unit 113 can be a CPU processor.
  • the control unit 113 of the present embodiment is preferably, but not limited to, a UPD78F9224 single chip microcomputer, and its structure is as shown in FIG.
  • the UPD78F9224 microcontroller controls the metering unit 112 via pins 9, 14, 15, 16, 17.
  • the communication unit 114 of this embodiment is preferably, but not limited to, a USB communication chip CH9326, and its structure is as shown in FIG. 5.
  • the USB communication chip CH9326 communicates with the control unit 113 through the pins 2, 3, and is connected to the external display device USB through the pins 6, 7 so that the control unit 113 and the external display device can be completed through the USB communication chip CH9326. communication.
  • the operating parameters of the power module 10 are transmitted to the external display device through the communication unit 114 for display; or the request command of the external display device is transmitted to the control unit 113 in the monitoring module 11 through the communication unit 114 to control the digital power supply. purpose.
  • the display interface of the external display device is as shown in FIG. 6.
  • the digital power source performs the measurement of the operating parameters according to the current and voltage of the power source through the metering unit, and displays the operating parameters through the external display device, thereby solving the problem that the conventional power source cannot visually display the power source parameters and the running state thereof. Its operation is simple and practical.
  • the monitoring unit 11 further includes a display unit 115 connected to the communication unit 114 for displaying the operating parameters obtained by the control unit 113.
  • the display unit 115 can be disposed on a digital power source, such as a display circuit and a display screen, and can display the operating parameters output by the control unit 113 directly on the digital power source without using an external display device, which is more convenient to use.
  • a digital power source such as a display circuit and a display screen
  • a specially developed terminal software display interface can also be used.
  • a computer can display the operating parameters output by the control unit 113 in time.
  • the foregoing monitoring module 11 further includes:
  • the storage unit 116 is connected to the control unit 113 and stores the operating parameters and calibration parameters.
  • the control unit 113 described above is also used to transmit calibration parameters to the metering unit 112.
  • the metering unit 112 is first used to calibrate the voltage and current collected by the sampling unit 111 according to the calibration parameter to obtain a calibration voltage and a calibration current; and then perform measurement of the operating parameter according to the calibration voltage and the calibration current, and pass the control unit 113.
  • the obtained operational parameters are stored in the storage unit 116.
  • the memory unit 116 in this embodiment is preferably but not limited to the memory chip AT24C04 (BL24 is available) C04 or FM24C04 instead) for storing the calibration parameters for the calibration of the metering unit 112, the operating parameters obtained by the metering unit 112, etc., the circuit structure of which is shown in FIG.
  • the calibration parameters in the storage unit 116 may be defaulted by the digital power supply, or may be set by the user according to specific conditions. As shown in FIG. 10, the user can input various calibration parameters according to specific conditions, and the control unit 113 stores it in the storage unit 116 through the communication unit 114 for metering and calibration of the metering unit 112.
  • Figure 11 is a block diagram showing an embodiment of an external display device connected to a digital power supply according to the present invention.
  • connection module 20 is configured to connect and communicate with a digital power source
  • a setting module 21 connected to the connection module, configured to set a calibration parameter for measuring a digital power operation parameter
  • the display module 22 is connected to the connection module for displaying operating parameters of the digital power source.
  • the calibration parameter is transmitted to the metering unit 112 in the digital power source through the setting module 21, so that the metering unit 112 can more accurately measure the operating parameters of the digital power source according to the calibration parameters, and transmit the operating parameters thereof through the connection module 20 to The display module is displayed.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Power Sources (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

La présente invention concerne une alimentation électrique numérique et un dispositif d'affichage externe connecté à cette alimentation. Cette alimentation électrique numérique comprend un module d'alimentation électrique fournissant de l'énergie électrique à un appareil électronique. Ladite alimentation électrique comprend également un module de surveillance, qui est connecté au module d'alimentation électrique, qui recueillie la tension et le courant du module d'alimentation électrique en fonctionnement, et qui calcule les paramètres courants du module d'alimentation électrique en fonction de la tension et du courant. Dans cette alimentation électrique numérique, une logique de mesure effectue la mesure des paramètres courants en fonction du courant et de la tension de l'alimentation électrique, les paramètres courants mesurés pouvant être affichés par l'intermédiaire du dispositif d'affichage externe. L'invention permet ainsi, non seulement de résoudre le problème posé par le fait qu'une alimentation électrique conventionnelle est incapable d'afficher intuitivement des paramètres et un état courant de l'objet considéré, mais aussi de faire fonctionner facilement et de façon commode l'alimentation électrique.
PCT/CN2011/078059 2010-12-08 2011-08-05 Alimentation électrique numérique, et dispositif d'affichage externe connecté à cette alimentation WO2012075823A1 (fr)

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CN201010578853.5 2010-12-08
CN 201010578853 CN102096458B (zh) 2010-12-08 2010-12-08 数字电源及数字电源系统

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CN102096458B (zh) * 2010-12-08 2013-05-08 深圳市航嘉驰源电气股份有限公司 数字电源及数字电源系统
CN105068915B (zh) * 2015-08-10 2019-03-15 合肥联宝信息技术有限公司 电源管理装置及方法
CN107193243A (zh) * 2016-03-15 2017-09-22 上海普锐马电子有限公司 一种用于eut电源的电压电流实时监控系统

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US5481730A (en) * 1992-01-24 1996-01-02 Compaq Computer Corp. Monitoring and control of power supply functions using a microcontroller
US20080121625A1 (en) * 2006-11-28 2008-05-29 HUETTINGER ELEKTRONIK GMBH + CO. KG Detecting arc discharges
CN102096458A (zh) * 2010-12-08 2011-06-15 深圳市航嘉驰源电气股份有限公司 数字电源及与其连接的外部显示装置

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CN101286075B (zh) * 2008-06-13 2010-06-09 中兴通讯股份有限公司 一种可调电源线性程控装置
CN201269911Y (zh) * 2008-09-25 2009-07-08 珠海派诺电子有限公司 一种多功能电力监控器
CN201466441U (zh) * 2009-06-01 2010-05-12 浙江恒达高电器有限公司 一种具有无线计量功能的电源装置
CN101771374B (zh) * 2010-03-17 2012-06-27 深圳市高标电子科技有限公司 直流无刷电机控制器参数设置电路

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Publication number Priority date Publication date Assignee Title
US5481730A (en) * 1992-01-24 1996-01-02 Compaq Computer Corp. Monitoring and control of power supply functions using a microcontroller
US20080121625A1 (en) * 2006-11-28 2008-05-29 HUETTINGER ELEKTRONIK GMBH + CO. KG Detecting arc discharges
CN102096458A (zh) * 2010-12-08 2011-06-15 深圳市航嘉驰源电气股份有限公司 数字电源及与其连接的外部显示装置

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