WO2012075823A1 - Digital power supply and external display device connected thereto - Google Patents

Digital power supply and external display device connected thereto 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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module
power supply
unit
digital power
display device
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PCT/CN2011/078059
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French (fr)
Chinese (zh)
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崔昌桥
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深圳市航嘉驰源电气股份有限公司
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Publication of WO2012075823A1 publication Critical patent/WO2012075823A1/en

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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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  • Quality & Reliability (AREA)
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Abstract

Disclosed are a digital power supply and an external display device connected thereto. The digital power supply comprises: a power supply module, providing electric energy for an electronic apparatus; and a monitoring module, connected to the power supply module, collecting the voltage and current of the power supply module in working, and calculating running parameters of the power supply module according to the voltage and the current. In the digital power supply, a measuring unit measures the running parameters according to the current and voltage of the power supply, and the measured running parameters can be displayed through the external display device, thereby solving the problem that a conventional power supply cannot intuitively display parameters and a running state thereof, and enabling the power supply to be easily operated and practical..

Description

数字电源及与其连接的外部显示装置  Digital power supply and external display device connected thereto
技术领域Technical field
本发明涉及电源技术领域，尤其涉及一种数字电源与其连接的外部显示装置。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.
背景技术Background technique
电源是将市电（交流电）转换为稳定直流电的装置，用于将其他形式的能转换成电能，用于各种电子设备。尤其是PC电源，为计算机的所有部件（例如，主板、软盘、硬盘驱动及各种适配器扩展卡等）提供电能。该电源电能的大小、电流及电压是否稳定，将直接影响计算机的工作性能和使用寿命。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. In particular, 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.
目前的PC电源只提供基本的电能输出，用户无法直接了解到电源的运行状态和参数，而测试人员也只能通过专门的仪器设备去检测，操作极不方便。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.
发明内容Summary of the invention
本发明的主要目的是提供一种数字电源及与其连接的外部显示装置，旨在使得电源的运行参数可以直接展现给用户，且操作方便简单。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.
本发明提供的一种数字电源，包括：A digital power supply provided by the present invention includes:
电源模块，为电子设备提供电能；a power module that supplies electrical energy to the electronic device;
监控模块，与电源模块连接，采集电源模块工作时的电压及电流，并根据所述电压及电流计算电源模块的运行参数。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.
优选地，上述监控模块具体包括：Preferably, the foregoing monitoring module specifically includes:
采样单元，与所述电源模块连接，分别采集电源模块工作时的电压及电流；a sampling unit, connected to the power module, respectively collecting voltage and current when the power module is working;
计量单元，与采样单元连接，根据所述采样单元采集的电压及电流进行计算，并获得电源模块的运行参数。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.
优选地，上述监控模块还包括：Preferably, the monitoring module further includes:
控制单元，与计量单元连接，响应外部请求，将运行参数传送至外部显示装置进行显示；a 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;
通讯单元，分别与控制单元及外部显示装置连接，用于数字电源与外部显示装置之间的通讯。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.
优选地，上述监控模块还包括：Preferably, the monitoring module further includes:
显示单元，与通讯单元连接，将运行参数进行显示。The display unit is connected to the communication unit to display the operating parameters.
优选地，上述监控模块还包括：Preferably, the monitoring module further includes:
存储单元，与控制单元连接，存储所述运行参数及校准参数；a storage unit, connected to the control unit, storing the operating parameter and the calibration parameter;
所述控制单元还用于将校准参数传送至所述计量单元，所述计量单元还用于根据校准参数，对所述采样单元采集的电压及电流进行校准，获得校准电压及电流。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.
本发明还提供了一种与上述数字电源连接的外部显示装置，包括：The present invention also provides an external display device connected to the above digital power source, comprising:
连接模块，用于与数字电源的连接及通讯；a connection module for connection and communication with a digital power source;
设置模块，与连接模块连接，用于设置计量数字电源运行参数的校准参数；a setting module, connected to the connection module, for setting a calibration parameter for measuring a digital power operation parameter;
显示模块，与连接模块连接，用于显示数字电源的运行参数。A display module, connected to the connection module, for displaying operational parameters of the digital power supply.
本发明数字电源通过计量单元根据电源的电流、电压进行运行参数的计量，解决了传统的电源无法直观地显示电源的参数及其运行状态，使得其操作简单、实用。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.
附图说明DRAWINGS
图1是本发明数字电源一实施例的结构示意图；1 is a schematic structural view of an embodiment of a digital power supply according to the present invention;
图2是本发明数字电源中监控模块一实施例的结构示意图；2 is a schematic structural diagram of an embodiment of a monitoring module in a digital power supply according to the present invention;
图3是图2中计量单元一实施例的结构示意图；Figure 3 is a schematic structural view of an embodiment of the metering unit of Figure 2;
图4是图2中控制单元一实施例的结构示意图；Figure 4 is a schematic structural view of an embodiment of the control unit of Figure 2;
图5是图2中通讯单元一实施例的结构示意图；Figure 5 is a schematic structural view of an embodiment of the communication unit of Figure 2;
图6是本发明数字电源的运行参数通过外部显示装置的显示界面示意图；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;
图7是本发明数字电源中监控模块另一实施例的结构示意图；7 is a schematic structural diagram of another embodiment of a monitoring module in a digital power supply according to the present invention;
图8是本发明数字电源中监控模块又一实施例中的结构示意图；8 is a schematic structural diagram of another embodiment of a monitoring module in a digital power supply according to the present invention;
图9是图8中存储单元一实施例的结构示意图；9 is a schematic structural view of an embodiment of the memory unit of FIG. 8;
图10是本发明数字电源中校准参数设置的结构示意图；10 is a schematic structural diagram of calibration parameter setting in the digital power supply of the present invention;
图11是本发明与数字电源连接的外部显示装置的结构示意图。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.
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.
具体实施方式detailed description
以下结合说明书附图及具体实施例进一步说明本发明的技术方案。The technical solutions of the present invention are further described below in conjunction with the drawings and specific embodiments.
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
图1是本发明数字电源一实施例的结构示意图。1 is a schematic structural view of an embodiment of a digital power supply according to the present invention.
本实施例的数字电源，包括：The digital power supply of this embodiment includes:
电源模块10，为电子设备提供电能；The power module 10 provides electrical energy for the electronic device;
上述电源模块10可以为各种电子设备提供电能的电源，本实施例优选为PC电源模块，可以提供AC输入、EMI滤波、整流滤波、有源PFC功率因素校正及PFC&PWM控制等功能；还可以提供PWM驱动、DC-DC转换、输出整流滤波、输出反馈等功能；还可以提供+5V Standby输出、+5V Standby输出反馈、+5V Standby输出整流滤波、风扇控制及过温保护等功能；及还可以提供各路输出保护控制（包括OVP、OCP、SCP、UVP）等功能,同时还提供Power Good Signal输出功能。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.
监控模块11，与电源模块10连接，采集电源模块10工作时的电压及电流，并根据所述电压及电流计算电源模块10的运行参数。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.
监控模块11中电源模块10的运行参数可以包括：电压、电流、功率、PF（Power Factor，功率因素）值、当前用电量、累积用电量及二氧化碳的排放量等等。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.
参照图2，上述监控模块11具体包括：Referring to FIG. 2, the foregoing monitoring module 11 specifically includes:
采样单元111，与所述电源模块连接，分别采集电源模块10工作时的电压及电流；The sampling unit 111 is connected to the power module, and separately collects voltage and current when the power module 10 is in operation;
计量单元112，与采样单元111连接，根据所述采样单元111采集的电压及电流进行计算，并获得电源模块10的运行参数。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.
采样单元111包括电流采样电路及电压采样电路，分别用于采集电源模块10工作时的电压及电流。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.
该计量单位112可以通过电能计量芯片来实现，也可以通过专门的逻辑电路来实现。本实施例电能计量芯片优选为但不限定RN8209电能计量专用芯片，其芯片引脚结构如图3所示。该芯片通过引脚4，5连接采样单元111中的电流采样电路，用于接收电源模块10的电流采样信号；通过引脚8，9连接采样单元111中电压采样电路，用于接收电源模块10的电压采样信号。RN8209电能计量专用芯片根据电流采样信号及电压采样信号，计算获得电流、电压、功率、电能以及PF值等运行参数，而且该运行参数通过引脚13，14，15输出。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.
上述监控单元11还包括：The above monitoring unit 11 further includes:
控制单元113，与计量单元112连接，响应外部请求，将运行参数传送至外部显示装置进行显示；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;
通讯单元114，分别与控制单元113及外部显示装置连接，用于数字电源与外部显示装置之间的通讯。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.
控制单元113通过通讯单元114与外部显示装置进行通讯，例如响应外部显示装置的请求，将运行参数传送至外部显示装置进行显示。该控制单元113可以为CPU处理器，例如本实施例控制单元113优选为但不限定UPD78F9224单片机，其结构如图4所示。该UPD78F9224单片机通过引脚9，14，15，16，17对计量单元112进行控制。本实施例的通讯单元114优选为但不限定USB通讯芯片CH9326，其结构如图5所示。该USB通讯芯片CH9326通过引脚2，3与控制单元113进行通讯，通过引脚6，7与外部显示装置USB连接，从而通过该USB通讯芯片CH9326可以完成控制单元113与外部显示装置之间的通讯。例如，将电源模块10的运行参数通过通讯单元114传输至外部显示装置进行显示；或者将外部显示装置的请求指令通过通讯单元114传输至监控模块11中的控制单元113，以达到控制数字电源的目的。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. For example, 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. For example, 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.
通过将运行参数及时地传输至外部显示装置进行显示，不但操作方便，而且使得电源用户直观地了解该数字电源的运行状态，并根据该运行状态进行相应的处理。该外部显示装置的显示界面如图6所示。By transmitting the operating parameters to the external display device for display in time, not only is the operation convenient, but also the power source user intuitively understands the operating state of the digital power source, and performs corresponding processing according to the operating state. The display interface of the external display device is as shown in FIG. 6.
本实施例数字电源通过计量单元根据电源的电流、电压进行运行参数的计量，并将运行参数通过外部显示装置进行显示，从而解决了传统的电源无法直观地显示电源的参数及其运行状态，使得其操作简单、实用。In the embodiment, 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.
参照图7，上述监控单元11还包括：显示单元115，与通讯单元114连接，用于将控制单元113获得的运行参数进行显示。Referring to FIG. 7, 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.
该显示单元115可设置在数字电源上，例如显示电路及显示屏，无需通过外部显示装置，直接在数字电源上就可以显示控制单元113输出的运行参数，使用更加方便。也可用专门开发的终端软件显示界面, 例如电脑,可以将控制单元113输出的运行参数进行及时地显示。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 specially developed terminal software display interface can also be used. For example, a computer can display the operating parameters output by the control unit 113 in time.
参照图8，上述监控模块11还包括：Referring to FIG. 8, the foregoing monitoring module 11 further includes:
存储单元116，与控制单元113连接，存储所述运行参数及校准参数。The storage unit 116 is connected to the control unit 113 and stores the operating parameters and calibration parameters.
上述控制单元113还用于将校准参数传送至所述计量单元112。则计量单元112先用于根据校准参数，对所述采样单元111采集的电压及电流进行校准，获得校准电压及校准电流；再根据校准电压及校准电流进行运行参数的计量，并通过控制单元113将获得的运行参数存储在存储单元116中。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.
由于上述计量单元112根据采样参数进行计量，所以在计量之前对其进行校准，进一步提高其计量的精准度。因此，本实施例中的存储单元116优选为但不限定存储芯片AT24C04（可用BL24 C04 或FM24C04 替代），用于存储供计量单元112校准的校准参数，计量单元112获得的运行参数等等，其电路结构如图9所示。Since the above-mentioned measuring unit 112 performs metering according to the sampling parameters, it is calibrated before the metering, thereby further improving the accuracy of the metering. Therefore, 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.
上述存储单元116中的校准参数可以为数字电源默认的，也可以为用户根据具体情况而设置的。如图10所示，用户可以根据具体情况而输入各种校准参数，控制单元113则通过通讯单元114将其存储在存储单元116，以供计量单元112的计量校准。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.
图11是本发明与数字电源连接的外部显示装置一实施例的结构示意图。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.
本实施例外部显示装置，包括：The external display device of this embodiment includes:
连接模块20，用于与数字电源的连接及通讯；The connection module 20 is configured to connect and communicate with a digital power source;
设置模块21，与连接模块连接，用于设置计量数字电源运行参数的校准参数；a setting module 21, connected to the connection module, configured to set a calibration parameter for measuring a digital power operation parameter;
显示模块22，与连接模块连接，用于显示数字电源的运行参数。The display module 22 is connected to the connection module for displaying operating parameters of the digital power source.
本实施例通过设置模块21将校准参数传送至数字电源中的计量单元112，从而使得计量单元112可以根据校准参数更加精准地计量数字电源的运行参数，而且通过连接模块20将其运行参数传送至显示模块进行显示。In this embodiment, 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.
以上所述仅为本发明的优选实施例，并非因此限制其专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the patents. The equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims (6)

  1. 一种数字电源，其特征在于，包括： A digital power supply, comprising:
    电源模块，为电子设备提供电能；a power module that supplies electrical energy to the electronic device;
    监控模块，与电源模块连接，采集电源模块工作时的电压及电流，并根据所述电压及电流计算电源模块的运行参数。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.
  2. 根据权利要求1所述的数字电源，其特征在于，所述监控模块具体包括：The digital power supply according to claim 1, wherein the monitoring module specifically comprises:
    采样单元，与所述电源模块连接，分别采集电源模块工作时的电压及电流；a sampling unit, connected to the power module, respectively collecting voltage and current when the power module is working;
    计量单元，与采样单元连接，根据所述采样单元采集的电压及电流进行计算，并获得电源模块的运行参数。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.
  3. 根据权利要求2所述的数字电源，其特征在于，所述监控模块还包括：The digital power supply of claim 2, wherein the monitoring module further comprises:
    控制单元，与计量单元连接，响应外部请求，将运行参数传送至外部显示装置进行显示；a 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;
    通讯单元，分别与控制单元及外部显示装置连接，用于数字电源与外部显示装置之间的通讯。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.
  4. 根据权利要求3所述的数字电源，其特征在于，所述监控模块还包括：The digital power supply of claim 3, wherein the monitoring module further comprises:
    显示单元，与通讯单元连接，将运行参数进行显示。The display unit is connected to the communication unit to display the operating parameters.
  5. 根据权利要求3所述的数字电源，其特征在于，所述监控模块还包括：The digital power supply of claim 3, wherein the monitoring module further comprises:
    存储单元，与控制单元连接，存储所述运行参数及校准参数；a storage unit, connected to the control unit, storing the operating parameter and the calibration parameter;
    所述控制单元还用于将校准参数传送至所述计量单元，所述计量单元还用于根据校准参数，对所述采样单元采集的电压及电流进行校准，获得校准电压及电流。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.
  6. 一种与数字电源连接的外部显示装置，其特征在于，包括：An external display device connected to a digital power source, comprising:
    连接模块，用于与数字电源的连接及通讯；a connection module for connection and communication with a digital power source;
    设置模块，与所述连接模块连接，用于设置计量数字电源运行参数的校准参数；a setting module, connected to the connection module, configured to set a calibration parameter for measuring a digital power operation parameter;
    显示模块，与所述连接模块连接，用于显示数字电源的运行参数。A display module is coupled to the connection module for displaying operational parameters of the digital power source.
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