CN110780260A - System and method for checking electric energy error of direct current charger - Google Patents

System and method for checking electric energy error of direct current charger Download PDF

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CN110780260A
CN110780260A CN201910995476.6A CN201910995476A CN110780260A CN 110780260 A CN110780260 A CN 110780260A CN 201910995476 A CN201910995476 A CN 201910995476A CN 110780260 A CN110780260 A CN 110780260A
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power
charger
module
electric energy
calibrator
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李贺龙
于海波
王春雨
刘佳
王兴媛
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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China Electric Power Research Institute Co Ltd CEPRI
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/04Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12Remote or cooperative charging

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

本发明公开了一种用于对直流充电机的电能误差进行校验的系统及方法,包括:校验仪,内嵌于充电枪内,用于根据获取的给用电负载充电的电能脉冲信号和直流充电机的内置电能表计量的被测电能脉冲信号,计算所述直流充电机的电能误差,并且当当前的无线通信信号的状态为稳定时,将所述电能误差直接发送至服务器;当当前的无线通信信号的状态为不稳定时,将所述电能误差发送至移动通信终端;移动通信终端,用于接收所述电能误差,并发送至服务器。本发明克服了充电机在恶劣环境下信息传输不便的问题,为直流充电机安装现场等不同户外环境提供了更多的可能,更能适应市场发展的需要,同时使用本技术方案与传统在线校验方案相比更易远程监控。

Figure 201910995476

The invention discloses a system and method for calibrating the electric energy error of a DC charger, comprising: a calibrator, which is embedded in a charging gun and used for charging an electric load according to the obtained electric energy pulse signal. and the measured power pulse signal measured by the built-in power meter of the DC charger, calculate the power error of the DC charger, and when the current state of the wireless communication signal is stable, send the power error directly to the server; when When the state of the current wireless communication signal is unstable, the power error is sent to the mobile communication terminal; the mobile communication terminal is used for receiving the power error and sending it to the server. The invention overcomes the problem of inconvenient information transmission of the charger in harsh environments, provides more possibilities for different outdoor environments such as the installation site of the DC charger, and can better meet the needs of market development. It is easier to monitor remotely compared to the verification scheme.

Figure 201910995476

Description

一种用于对直流充电机的电能误差进行校验的系统及方法A system and method for verifying power error of a DC charger

技术领域technical field

本发明涉及直流充电机现场校验技术领域,并且更具体地,涉及一种用于对直流充电机的电能误差进行校验的系统及方法。The present invention relates to the technical field of on-site verification of DC chargers, and more particularly, to a system and method for verifying electric energy errors of DC chargers.

背景技术Background technique

随着时代发展,电动汽车投入使用越来越广泛。与之相对应的是充电站的迅速建设,充电机的安装在不断增加。不过对于充电机这种新能源发展带来的新兴产物,对其现场电能、计费及功能的测试还不完善。With the development of the times, electric vehicles have been put into use more and more widely. Corresponding to the rapid construction of charging stations, the installation of charging machines is increasing. However, for the emerging product brought by the development of new energy such as the charger, the test of its on-site power, billing and function is not perfect.

现场对充电机进行测试的专业设备为充电机现场校验仪,充电机现场校验仪由于需要与待检的充电机和负载箱进行匹配,导致市面上较为常见的充电机现场校验仪都是体积较为庞大的,且结构多为箱体,搬运不便,使用率不高,且现场环境复杂,容易损坏,不利于现场对充电机进行检测及维护。The professional equipment for on-site testing of the charger is the charger field calibrator. Since the charger field calibrator needs to be matched with the charger and load box to be tested, the more common charger field calibrators on the market are all It is relatively bulky, and the structure is mostly a box, which is inconvenient to transport, and the usage rate is not high, and the on-site environment is complex and easy to damage, which is not conducive to the on-site inspection and maintenance of the charger.

发明内容SUMMARY OF THE INVENTION

本发明提出一种用于对直流充电机的电能误差进行校验的系统及方法,以解决如何高效地对直流充电机进行校验的问题。The present invention provides a system and method for verifying the electric energy error of a DC charger, so as to solve the problem of how to verify the DC charger efficiently.

为了解决上述问题,根据本发明的一个方面,提供了一种用于对直流充电机的电能误差进行校验的系统,所述系统包括:In order to solve the above problems, according to an aspect of the present invention, a system for verifying the power error of a DC charger is provided, the system comprising:

校验仪,内嵌于充电枪内,用于根据获取的给用电负载充电的电能脉冲信号和直流充电机的内置电能表计量的被测电能脉冲信号,计算所述直流充电机的电能误差,并且当当前的无线通信信号的状态为稳定时,将所述电能误差直接发送至服务器;当当前的无线通信信号的状态为不稳定时,将所述电能误差发送至移动通信终端;The calibrator, embedded in the charging gun, is used to calculate the electric energy error of the DC charger according to the obtained electric energy pulse signal for charging the electric load and the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger , and when the state of the current wireless communication signal is stable, the power error is directly sent to the server; when the state of the current wireless communication signal is unstable, the power error is sent to the mobile communication terminal;

服务器,用于接收所述电能误差;A server for receiving the power error;

移动通信终端,用于接收所述电能误差,并发送至服务器。The mobile communication terminal is used for receiving the power error and sending it to the server.

优选地,其中所述校验仪包括:Preferably, wherein the calibrator comprises:

电能计量模块,与电能脉冲比较模块相连接,用于获取给用电负载充电的标准电能脉冲信号;The electric energy metering module, which is connected with the electric energy pulse comparison module, is used to obtain the standard electric energy pulse signal for charging the electric load;

无线脉冲接收模块,与电能脉冲比较模块相连接,用于获取直流充电机的内置电能表计量的被测电能脉冲信号;The wireless pulse receiving module is connected with the power pulse comparison module, and is used to obtain the measured power pulse signal measured by the built-in power meter of the DC charger;

电能脉冲比较模块,与主控模块相连接,用于根据所述标准电能脉冲信号和被测电能脉冲信号计算所述直流充电机的电能误差;a power pulse comparison module, connected with the main control module, for calculating the power error of the DC charger according to the standard power pulse signal and the measured power pulse signal;

主控模块,用于当当前的无线通信信号的状态为稳定时,通过无线模块将所述电能误差直接发送至服务器;用于当当前的无线通信信号的状态为不稳定时,通过蓝牙模块将所述电能误差发送至移动通信终端。The main control module is used to directly send the power error to the server through the wireless module when the state of the current wireless communication signal is stable; when the current state of the wireless communication signal is unstable, the Bluetooth module will The power error is sent to the mobile communication terminal.

优选地,其中所述校验仪还包括:Preferably, wherein the calibrator further comprises:

供电模块,与所述主控模块相连接,用于当所述校验仪没有外部电源支撑时,向所述主控模块提供电能支撑,以使得所述主控模块能够发送电能误差至所述服务器。a power supply module, connected to the main control module, for providing power support to the main control module when the calibrator has no external power support, so that the main control module can send power errors to the main control module server.

优选地,其中所述校验仪还包括:Preferably, wherein the calibrator further comprises:

CAN通信模块,连接至直流充电机和用电负载间充电线路中的CAN通信总线上,并与所述主控模块相连接,用于将监听到的用电负载使用的直流充电机端统计的被检测总用电量和被检测总费用发送至主控模块;The CAN communication module is connected to the CAN communication bus in the charging line between the DC charger and the electrical load, and is connected to the main control module, and is used to count the monitored DC charger terminals used by the electrical load. The detected total electricity consumption and the detected total cost are sent to the main control module;

所述主控模块,用于将电能计量模块发送来的标准总用电量和被检测总用电量进行比较,以获取总用电量的误差值;以及根据标准总用电量计算标准总费用,并将被检测总费用和标准总费用进行比较,以获取总费用的误差值。The main control module is used to compare the standard total electricity consumption sent by the power metering module with the detected total electricity consumption to obtain the error value of the total electricity consumption; and calculate the standard total electricity consumption according to the standard total electricity consumption. cost, and compare the detected total cost with the standard total cost to obtain the error value of the total cost.

优选地,其中所述系统还包括:Preferably, wherein the system further comprises:

无线脉冲发射单元,用于获取直流充电机的内置电能表计量的被测电能脉冲信,并发送至所述校验仪。The wireless pulse transmitting unit is used to obtain the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger, and send it to the calibrator.

根据本发明的另一个方面,提供了一种用于对直流充电机的电能误差进行校验的方法,所述方法包括:According to another aspect of the present invention, there is provided a method for verifying the power error of a DC charger, the method comprising:

校验仪根据获取的给用电负载充电的电能脉冲信号和直流充电机的内置电能表计量的被测电能脉冲信号,计算所述直流充电机的电能误差;The calibrator calculates the electric energy error of the DC charger according to the obtained electric energy pulse signal for charging the electric load and the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger;

当当前的无线通信信号的状态为稳定时,校验仪将所述电能误差直接发送至服务器;When the current state of the wireless communication signal is stable, the calibrator directly sends the power error to the server;

当当前的无线通信信号的状态为不稳定时,校验仪将所述电能误差发送至移动通信终端,移动通信终端将所述电能误差发送至服务器。When the current state of the wireless communication signal is unstable, the calibrator sends the power error to the mobile communication terminal, and the mobile communication terminal sends the power error to the server.

优选地,其中所述方法包括:Preferably, wherein the method comprises:

利用校验仪的电能计量模块获取给用电负载充电的标准电能脉冲信号;Use the electric energy metering module of the calibrator to obtain the standard electric energy pulse signal for charging the electric load;

利用校验仪的无线脉冲接收模块获取直流充电机的内置电能表计量的被测电能脉冲信号;Use the wireless pulse receiving module of the calibrator to obtain the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger;

利用校验仪的电能脉冲比较模块根据所述标准电能脉冲信号和被测电能脉冲信号计算所述直流充电机的电能误差;Calculate the power error of the DC charger according to the standard power pulse signal and the measured power pulse signal by using the power pulse comparison module of the calibrator;

当当前的无线通信信号的状态为稳定时,校验仪的主控模块通过无线模块将所述电能误差直接发送至服务器;When the current state of the wireless communication signal is stable, the main control module of the calibrator directly sends the power error to the server through the wireless module;

当当前的无线通信信号的状态为不稳定时,校验仪的主控模块通过蓝牙模块将所述电能误差发送至移动通信终端。When the current state of the wireless communication signal is unstable, the main control module of the calibrator sends the power error to the mobile communication terminal through the Bluetooth module.

优选地,其中所述方法还包括:Preferably, wherein the method further comprises:

当所述校验仪没有外部电源支撑时,利用供电模块向所述主控模块提供电能支撑,以使得所述主控模块能够发送电能误差至所述服务器。When the calibrator has no external power support, a power supply module is used to provide power support to the main control module, so that the main control module can send power errors to the server.

优选地,其中所述方法还包括:Preferably, wherein the method further comprises:

CAN通信模块将监听到的用电负载使用的直流充电机端统计的被检测总用电量和被检测总费用发送至主控模块;The CAN communication module sends the detected total electricity consumption and the detected total cost to the main control module according to the statistics of the DC charger terminal used by the monitored electricity load;

主控模块将电能计量模块发送来的标准总用电量和被检测总用电量进行比较,以获取总用电量的误差值;The main control module compares the standard total electricity consumption sent by the energy metering module with the detected total electricity consumption to obtain the error value of the total electricity consumption;

根据标准总用电量计算标准总费用,并将被检测总费用和标准总费用进行比较,以获取总费用的误差值。Calculate the standard total cost according to the standard total electricity consumption, and compare the detected total cost with the standard total cost to obtain the error value of the total cost.

优选地,其中所述方法还包括:Preferably, wherein the method further comprises:

利用无线脉冲发射单元获取直流充电机的内置电能表计量的被测电能脉冲信,并发送至所述校验仪。The measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger is obtained by using the wireless pulse transmitting unit, and sent to the calibrator.

本发明提供了一种用于对直流充电机的电能误差进行校验的系统及方法,包括:校验仪,内嵌于充电枪内,用于根据获取的给用电负载充电的电能脉冲信号和直流充电机的内置电能表计量的被测电能脉冲信号,计算所述直流充电机的电能误差,并且当当前的无线通信信号的状态为稳定时,将所述电能误差直接发送至服务器;当当前的无线通信信号的状态为不稳定时,将所述电能误差发送至移动通信终端;移动通信终端,用于接收所述电能误差,并发送至服务器。本发明根据现场环境设计了两种传输数据的方案,克服了充电机在恶劣环境下信息传输不便的问题,为直流充电机安装现场等不同户外环境提供了更多的可能,更能适应市场发展的需要,同时使用本技术方案与传统在线校验方案相比更易远程监控;本发明的充电枪与传统的充电机通用的枪头相比没有特殊要求,区别仅在于校验仪不同,使得该方案的批量制造成本更低;本发明解决了现场校验仪结构多为箱体,体积庞大、搬运不便、使用率不高、维护困难的问题。The invention provides a system and method for calibrating the electric energy error of a DC charger, comprising: a calibrator, which is embedded in a charging gun and used for charging an electric load according to the obtained electric energy pulse signal. and the measured power pulse signal measured by the built-in power meter of the DC charger, calculate the power error of the DC charger, and when the current state of the wireless communication signal is stable, send the power error directly to the server; when When the state of the current wireless communication signal is unstable, the power error is sent to the mobile communication terminal; the mobile communication terminal is used for receiving the power error and sending it to the server. The present invention designs two data transmission schemes according to the on-site environment, overcomes the problem of inconvenient information transmission of the charger in harsh environments, provides more possibilities for different outdoor environments such as the installation site of the DC charger, and is more adaptable to market development Compared with the traditional online verification scheme, the charging gun of the present invention has no special requirements compared with the general gun head of the traditional charging machine, and the difference is only that the calibrator is different, which makes the The mass production cost of the solution is lower; the present invention solves the problems that the structure of the field calibrator is mostly a box body, which is bulky, inconvenient to carry, low in usage rate and difficult to maintain.

附图说明Description of drawings

通过参考下面的附图,可以更为完整地理解本发明的示例性实施方式:Exemplary embodiments of the present invention may be more fully understood by reference to the following drawings:

图1为根据本发明实施方式的用于对直流充电机的电能误差进行校验的系统100的结构示意图;FIG. 1 is a schematic structural diagram of a system 100 for verifying the power error of a DC charger according to an embodiment of the present invention;

图2为根据本发明实施方式的用于对直流充电机的电能误差进行校验的系统框图;FIG. 2 is a system block diagram for verifying the power error of a DC charger according to an embodiment of the present invention;

图3为根据本发明实施方式的校验仪的结构示意图;以及3 is a schematic structural diagram of a calibrator according to an embodiment of the present invention; and

图4为根据本发明实施方式的用于对直流充电机的电能误差进行校验的方法400的流程图。FIG. 4 is a flowchart of a method 400 for verifying the power error of a DC charger according to an embodiment of the present invention.

具体实施方式Detailed ways

现在参考附图介绍本发明的示例性实施方式,然而,本发明可以用许多不同的形式来实施,并且不局限于此处描述的实施例,提供这些实施例是为了详尽地且完全地公开本发明,并且向所属技术领域的技术人员充分传达本发明的范围。对于表示在附图中的示例性实施方式中的术语并不是对本发明的限定。在附图中,相同的单元/元件使用相同的附图标记。Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for the purpose of this thorough and complete disclosure invention, and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings are not intended to limit the invention. In the drawings, the same elements/elements are given the same reference numerals.

除非另有说明,此处使用的术语(包括科技术语)对所属技术领域的技术人员具有通常的理解含义。另外,可以理解的是,以通常使用的词典限定的术语,应当被理解为与其相关领域的语境具有一致的含义,而不应该被理解为理想化的或过于正式的意义。Unless otherwise defined, terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it is to be understood that terms defined in commonly used dictionaries should be construed as having meanings consistent with the context in the related art, and should not be construed as idealized or overly formal meanings.

图1为根据本发明实施方式的用于对直流充电机的电能误差进行校验的系统100的结构示意图。如图1所示,本发明的实施方式提供的用于对直流充电机的电能误差进行校验的系统,能够根据现场环境设计了两种传输数据的方案,克服了充电机在恶劣环境下信息传输不便的问题,为直流充电机安装现场等不同户外环境提供了更多的可能,更能适应市场发展的需要,同时使用本技术方案与传统在线校验方案相比更易远程监控;本发明的充电枪与传统的充电机通用的枪头相比没有特殊要求,区别仅在于校验仪不同,使得该方案的批量制造成本更低;本发明解决了现场校验仪结构多为箱体,体积庞大、搬运不便、使用率不高、维护困难的问题。本发明的实施方式提供的用于对直流充电机的电能误差进行校验的系统100,包括:校验仪101、移动通信终端102和服务器103。FIG. 1 is a schematic structural diagram of a system 100 for verifying the power error of a DC charger according to an embodiment of the present invention. As shown in FIG. 1 , the system for verifying the power error of the DC charger provided by the embodiment of the present invention can design two data transmission schemes according to the on-site environment, which overcomes the problem of the information of the charger in the harsh environment. The problem of inconvenient transmission provides more possibilities for different outdoor environments such as the installation site of the DC charger, and can better meet the needs of market development. At the same time, the use of this technical solution is easier than the traditional online verification solution. Remote monitoring; The charging gun has no special requirements compared with the general gun head of the traditional charging machine, and the difference is only that the calibrator is different, which makes the mass manufacturing cost of the solution lower; the invention solves the problem that the structure of the field calibrator is mostly a box, and The problems of large size, inconvenient handling, low utilization rate and difficult maintenance. The system 100 for calibrating the power error of the DC charger provided by the embodiment of the present invention includes: a calibrator 101 , a mobile communication terminal 102 and a server 103 .

优选地,所述校验仪101,内嵌于充电枪内,用于根据获取的给用电负载充电的电能脉冲信号和直流充电机的内置电能表计量的被测电能脉冲信号,计算所述直流充电机的电能误差,并且当当前的无线通信信号的状态为稳定时,将所述电能误差直接发送至服务器;当当前的无线通信信号的状态为不稳定时,将所述电能误差发送至移动通信终端。Preferably, the calibrator 101 is embedded in the charging gun, and is used to calculate the power pulse signal obtained by charging the electrical load and the measured power pulse signal measured by the built-in power meter of the DC charger. The power error of the DC charger, and when the current state of the wireless communication signal is stable, the power error is directly sent to the server; when the current state of the wireless communication signal is unstable, the power error is sent to mobile communication terminal.

优选地,所述服务器103,用于接收所述电能误差。Preferably, the server 103 is configured to receive the power error.

优选地,所述移动通信终端102,用于接收所述电能误差,并发送至服务器。Preferably, the mobile communication terminal 102 is configured to receive the power error and send it to a server.

优选地,其中所述系统还包括:无线脉冲发射单元,用于获取直流充电机的内置电能表计量的被测电能脉冲信,并发送至所述校验仪。Preferably, the system further comprises: a wireless pulse transmitting unit, configured to acquire the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger, and send it to the calibrator.

图2为根据本发明实施方式的用于对直流充电机的电能误差进行校验的系统框图。如图2所示,在本发明的实施方式中,对直流充电机的电能误差进行校验的系统包括:直流充电机、充电枪、无线脉冲发射单元、服务器和移动通信终端。FIG. 2 is a system block diagram for verifying the power error of a DC charger according to an embodiment of the present invention. As shown in FIG. 2 , in the embodiment of the present invention, the system for verifying the power error of the DC charger includes: a DC charger, a charging gun, a wireless pulse transmitting unit, a server and a mobile communication terminal.

其中,直流充电机通过充电枪连接用电负载,充电枪与直流充电机连接的一端和与用电负载连接的一端均符合国家标准《GB/T 20234.3-2015电动汽车传导充电用连接装置第3部分直流充电接口》的相关规定。充电枪包括:充电枪插头和充电枪插座,充电枪插头连接直流充电机,充电枪插座连接用电负载,校验仪内嵌至充电枪插座内,使用率高、体积小、重量轻,替代了传统直流充电桩检验装置体积大,独立设计的方案,大幅提升了设备的便携性和易用性。Among them, the DC charger is connected to the electrical load through the charging gun, and the end of the charging gun connected to the DC charger and the end connected to the electrical load conform to the national standard "GB/T 20234.3-2015 Electric Vehicle Conductive Charging Connection Device No. 3 Part of the relevant provisions of the DC charging interface. The charging gun includes: the charging gun plug and the charging gun socket, the charging gun plug is connected to the DC charger, the charging gun socket is connected to the electrical load, and the calibrator is embedded in the charging gun socket, which has high utilization rate, small size and light weight. The traditional DC charging pile inspection device is bulky and independently designed, which greatly improves the portability and ease of use of the device.

直流充电机内置直流电能表,无线脉冲发射单元通过光电采样或直接接线的方式捕捉充电机的被测电能脉冲信号,采集的被测电能脉冲信号通过无线通信方式传输至校验仪的无线脉冲接收模块。The DC charger has a built-in DC energy meter, and the wireless pulse transmitting unit captures the measured energy pulse signal of the charger through photoelectric sampling or direct wiring, and the collected measured energy pulse signal is transmitted to the wireless pulse receiver of the calibrator through wireless communication. module.

在本发明的实施方式中,校验仪采集给用电负载充电的标准电能脉冲信号,与无接收的被测电能脉冲信号进行比对,计算电能误差,计算的电能误差根据充电机所处的环境不同分情况进行传输,当校验仪当前的无线通信信号的状态为稳定时,将计算的电能误差通过无线模块传输至服务器,从而完成充电机的现场校验;当校验仪当前的无线通信信号的状态为不稳定时,开启蓝牙模块,将计算的电能误差通过蓝牙模块传输至移动通信终端,通过改变移动通信终端所处位置获取稳定信号,从而电能误差通过无线模块传输至服务器。In the embodiment of the present invention, the calibrator collects the standard electric energy pulse signal charged to the electric load, compares it with the measured electric energy pulse signal without reception, and calculates the electric energy error. The calculated electric energy error is based on the location where the charger is located. The transmission is carried out according to different environments. When the current state of the wireless communication signal of the calibrator is stable, the calculated power error is transmitted to the server through the wireless module, so as to complete the on-site calibration of the charger; When the state of the communication signal is unstable, the Bluetooth module is turned on, the calculated power error is transmitted to the mobile communication terminal through the Bluetooth module, and a stable signal is obtained by changing the location of the mobile communication terminal, so that the power error is transmitted to the server through the wireless module.

优选地,其中所述校验仪101,包括:电能计量模块、无线脉冲接收模块、电能脉冲比较模块和主控模块。Preferably, the calibrator 101 includes: an electric energy metering module, a wireless pulse receiving module, an electric energy pulse comparing module and a main control module.

优选地,所述电能计量模块,与电能脉冲比较模块相连接,用于获取给用电负载充电的标准电能脉冲信号。Preferably, the electric energy metering module is connected with the electric energy pulse comparison module, and is used for obtaining the standard electric energy pulse signal for charging the electric load.

优选地,所述无线脉冲接收模块,与电能脉冲比较模块相连接,用于获取直流充电机的内置电能表计量的被测电能脉冲信号。Preferably, the wireless pulse receiving module is connected with the power pulse comparison module, and is used for acquiring the measured power pulse signal measured by the built-in power meter of the DC charger.

优选地,所述电能脉冲比较模块,与主控模块相连接,用于根据所述标准电能脉冲信号和被测电能脉冲信号计算所述直流充电机的电能误差。Preferably, the power pulse comparison module is connected to the main control module, and is configured to calculate the power error of the DC charger according to the standard power pulse signal and the measured power pulse signal.

优选地,所述主控模块,用于当当前的无线通信信号的状态为稳定时,通过无线模块将所述电能误差直接发送至服务器;用于当当前的无线通信信号的状态为不稳定时,通过蓝牙模块将所述电能误差发送至移动通信终端。Preferably, the main control module is used for directly sending the power error to the server through the wireless module when the current state of the wireless communication signal is stable; when the current state of the wireless communication signal is unstable , and the power error is sent to the mobile communication terminal through the Bluetooth module.

优选地,其中所述校验仪还包括:Preferably, wherein the calibrator further comprises:

供电模块,与所述主控模块相连接,用于当所述校验仪没有外部电源支撑时,向所述主控模块提供电能支撑,以使得所述主控模块能够发送电能误差至所述服务器。a power supply module, connected to the main control module, for providing power support to the main control module when the calibrator has no external power support, so that the main control module can send power errors to the main control module server.

优选地,其中所述校验仪还包括:Preferably, wherein the calibrator further comprises:

CAN通信模块,连接至直流充电机和用电负载间充电线路中的CAN通信总线上,并与所述主控模块相连接,用于将监听到的用电负载使用的直流充电机端统计的被检测总用电量和被检测总费用发送至主控模块;The CAN communication module is connected to the CAN communication bus in the charging line between the DC charger and the electrical load, and is connected to the main control module, and is used to count the monitored DC charger terminals used by the electrical load. The detected total electricity consumption and the detected total cost are sent to the main control module;

所述主控模块,用于将电能计量模块发送来的标准总用电量和被检测总用电量进行比较,以获取总用电量的误差值;以及根据标准总用电量计算标准总费用,并将被检测总费用和标准总费用进行比较,以获取总费用的误差值。The main control module is used to compare the standard total electricity consumption sent by the power metering module with the detected total electricity consumption to obtain the error value of the total electricity consumption; and calculate the standard total electricity consumption according to the standard total electricity consumption. cost, and compare the detected total cost with the standard total cost to obtain the error value of the total cost.

图3为根据本发明实施方式的校验仪的结构示意图。如图3所示,在本发明的实施方式中,校验仪包括:电能计量模块、无线脉冲接收模块、电能脉冲比较模块、MCU主控模块、CAN通信模块、电压采样模块、电流采样模块、蓝牙模块、无线模块和供电模块。FIG. 3 is a schematic structural diagram of a calibrator according to an embodiment of the present invention. As shown in FIG. 3, in the embodiment of the present invention, the calibrator includes: an electric energy measurement module, a wireless pulse receiving module, an electric energy pulse comparison module, an MCU main control module, a CAN communication module, a voltage sampling module, a current sampling module, Bluetooth module, wireless module and power supply module.

电能计量模块采用ADE7753,根据电压采样模块和电流采样模块获取标准电能脉冲信号。电压采样模块选择0.02%精度5ppm温度系数的电阻分压网络进行信号调理,电流采样模块采用宽频交直流电流比较仪技术的零磁通电流传感器,后端采用0.02%精度5ppm温度系数的电阻进行采样,把电流信号转化为电压信号。The energy metering module adopts ADE7753, and obtains the standard energy pulse signal according to the voltage sampling module and the current sampling module. The voltage sampling module selects a resistor divider network with a 0.02% accuracy 5ppm temperature coefficient for signal conditioning, the current sampling module adopts a zero-flux current sensor with broadband AC and DC current comparator technology, and the back end adopts a 0.02% accuracy 5ppm temperature coefficient resistor for sampling , convert the current signal into a voltage signal.

无线脉冲接收模块,与电能脉冲比较模块相连接,用于根据无线脉冲发送单元获取直流充电机的内置电能表计量的被测电能脉冲信号。The wireless pulse receiving module is connected with the power pulse comparison module, and is used for acquiring the measured power pulse signal measured by the built-in power meter of the DC charger according to the wireless pulse sending unit.

电能脉冲比较模块,与主控模块相连接,用于根据所述标准电能脉冲信号和被测电能脉冲信号计算所述直流充电机的电能误差。The power pulse comparison module is connected with the main control module, and is used for calculating the power error of the DC charger according to the standard power pulse signal and the measured power pulse signal.

MCU主控模块,采用ADSP-21483芯片,该模块具有强大的计算能力且能够保证实时测量的电能参数的准确度达到0.05级,因此增加了电能误差校验的测量精确度。The MCU main control module adopts ADSP-21483 chip. This module has powerful computing power and can ensure that the accuracy of real-time measured power parameters reaches 0.05, thus increasing the measurement accuracy of power error checking.

CAN通信模块,采用TCAN334GDR,连接至充电机和用电负载间充电线路中的CAN通讯总线上,CAN通信模块可以将监听到的用电负载使用的充电机端统计的被检测总用电量和被检测总费用发送至MCU主控模块,所述MCU主控模块将电能计量模块发送来的标准总用电量和被检测总用电量进行比较得出总用电量的误差值,且MCU主控模块通过标准总用电量计算得出标准总费用,所述MCU主控模块将被检测总费用和标准总费用进行比较得出总费用的误差值。The CAN communication module, using TCAN334GDR, is connected to the CAN communication bus in the charging line between the charger and the power load. The CAN communication module can monitor the total power consumption and the total power consumption of the charger used by the monitored power load. The detected total cost is sent to the MCU main control module, and the MCU main control module compares the standard total electricity consumption sent by the energy metering module with the detected total electricity consumption to obtain an error value of the total electricity consumption, and the MCU The main control module calculates the standard total cost through the standard total electricity consumption, and the MCU main control module compares the detected total cost with the standard total cost to obtain an error value of the total cost.

供电模块用于为校验仪提供电能,在现场检测充电设备时需要从被检测充电设备上取电,当充电设备掉电后,供电模块启动内设的可充电电池,设置一定的时间间隔去唤醒MCU主控模块检测信号,控制无线模块连接服务器,将检测数据全部发出。The power supply module is used to provide power for the calibrator. When testing the charging device on site, it needs to take power from the detected charging device. When the charging device is powered off, the power supply module starts the built-in rechargeable battery, and sets a certain time interval to Wake up the detection signal of the MCU main control module, control the wireless module to connect to the server, and send out all the detection data.

校验仪通过无线模块和服务器进行通讯,通讯内容包括参数设置和测量数据回传。校验仪测量新的充电桩之前,通过无线模块接收服务器的检测任务,包括测量点名称、测量点地址、资产编号、被检充电桩电能表的脉冲常数、圈数、实时测量数据上传间隔、费率设置、时段设置、更改设置的日期和时间。校验仪接收到新的检测任务后,有电动车来充电,则自动执行检测任务,如果此过程中出现规定时间未完成检测、检测数据明显异常提醒(如超差较多)等异常会通过无线模块向服务器进行提醒。如果没有异常情况发生,则在开始检测、检测过程中和检测结束后向服务器及时汇报信息。校验仪执行单次检定设计,检测完成后再有车来可以不再检测。The calibrator communicates with the server through the wireless module, and the communication content includes parameter setting and measurement data return. Before the calibrator measures the new charging pile, it receives the detection task of the server through the wireless module, including the name of the measurement point, the address of the measurement point, the asset number, the pulse constant of the electric energy meter of the tested charging pile, the number of turns, the real-time measurement data upload interval, Rate settings, time period settings, date and time to change settings. After the calibrator receives a new detection task, there is an electric vehicle to charge, and the detection task will be automatically executed. If the detection is not completed within the specified time, and the detection data is obviously abnormal (such as more out of tolerance), the abnormality will pass. The wireless module alerts the server. If no abnormal situation occurs, the information will be reported to the server in time at the beginning of the detection, during the detection process and after the detection is completed. The calibrator implements a single verification design, and after the inspection is completed, there is no more inspection if there is a car.

本发明中无线模块可以是蓝牙模块、WiFi模块、4G模块、5G模块中任一种或几种。The wireless module in the present invention may be any one or several of a Bluetooth module, a WiFi module, a 4G module, and a 5G module.

本发明中移动通信终端可以是手机、笔记本、POS机、PAD、车载电脑和蓝牙网关中任一种。In the present invention, the mobile communication terminal can be any one of a mobile phone, a notebook, a POS machine, a PAD, a vehicle-mounted computer and a Bluetooth gateway.

具体地,工作原理如下:校验仪内的直流电流采样模块和直流电压采样模块分别采集充电机给用电负载充电线路上的瞬时直流电流信号和瞬时直流电压信号且均传输至电能计量模块,且此时的瞬时直流电流信号和瞬时直流电压信号均为模拟信号;电能计量模块将接收到的瞬时直流电流信号和瞬时直流电压信号处理成数字信号的形式,然后进行运算得出标准瞬时直流电能脉冲信号发送至电能脉冲比较模块,且电能计量模块可以通过瞬时直流电流信号和瞬时直流电压信号运算出标准瞬时直流电流值、标准瞬时直流电压值和瞬时功率值,电能计量模块并可以将标准瞬时直流电流值、标准瞬时直流电压值和累计出的整个充电过程中消耗的标准总用电量发送至MCU主控模块;无线脉冲发送模块连接直流充电机的直流电能表,充电机的直流电能表的电能脉冲信号(数字信号)通过无线脉冲发送模块传输给无线脉冲接收模块,并进行滤波整形和电气隔离的处理后,无线脉冲接收模块将输出的被检测瞬时直流电能脉冲信号(数字信号)传输至电能脉冲比较模块,所述电能脉冲比较模块对标准瞬时直流电能脉冲信号和直流充电机的直流电能表的被检测瞬时直流电能脉冲信号进行对比和运算,并得出一个百分数形式的瞬时电能误差值,所述电能脉冲比较模块将此误差值发送至MCU主控模块;CAN通信模块连接至充电机和用电负载间充电线路中的CAN通讯总线上,CAN通信模块可以将监听到的用电负载使用的充电机端统计的被检测总用电量和被检测总费用发送至MCU主控模块,所述MCU主控模块将电能计量模块发送来的标准总用电量和被检测总用电量进行比较得出总用电量的误差值,且MCU主控模块通过标准总用电量计算得出标准总费用,所述MCU主控模块将被检测总费用和标准总费用进行比较得出总费用的误差值。Specifically, the working principle is as follows: the DC current sampling module and the DC voltage sampling module in the calibrator respectively collect the instantaneous DC current signal and the instantaneous DC voltage signal on the charging line of the charger to the electric load and transmit them to the electric energy metering module. And the instantaneous DC current signal and instantaneous DC voltage signal at this time are both analog signals; the energy metering module processes the received instantaneous DC current signal and instantaneous DC voltage signal into the form of digital signals, and then performs operations to obtain the standard instantaneous DC energy The pulse signal is sent to the energy pulse comparison module, and the energy measurement module can calculate the standard instantaneous DC current value, the standard instantaneous DC voltage value and the instantaneous power value through the instantaneous DC current signal and the instantaneous DC voltage signal. The DC current value, the standard instantaneous DC voltage value and the accumulated standard total power consumption during the whole charging process are sent to the MCU main control module; the wireless pulse sending module is connected to the DC power meter of the DC charger, and the DC power meter of the charger The power pulse signal (digital signal) is transmitted to the wireless pulse receiving module through the wireless pulse sending module, and after filtering, shaping and electrical isolation processing, the wireless pulse receiving module will output the detected instantaneous DC power pulse signal (digital signal) transmission To the power pulse comparison module, the power pulse comparison module compares and calculates the standard instantaneous DC power pulse signal and the detected instantaneous DC power pulse signal of the DC power meter of the DC charger, and obtains an instantaneous power error in the form of a percentage The power pulse comparison module sends this error value to the MCU main control module; the CAN communication module is connected to the CAN communication bus in the charging line between the charger and the power load, and the CAN communication module can monitor the power consumption. The detected total electricity consumption and the detected total cost calculated by the charger used by the load are sent to the MCU main control module, and the MCU main control module sends the standard total electricity consumption and the detected total electricity consumption sent by the power metering module. The error value of the total power consumption is obtained by comparing the total power consumption, and the MCU main control module calculates the standard total cost through the standard total power consumption, and the MCU main control module compares the detected total cost with the standard total cost to obtain The error value of the total cost.

本发明实施方式能够准确地确定直流充电机的电能误差,并且提供了两种情景下传输数据的方案,克服了充电机在恶劣环境下信息传输不便的问题,为直流充电桩安装现场等不同户外环境提供了更多的可能,更能适应市场发展的需要,同时使用本技术方案与传统在线校验方案相比更易远程监控。The embodiment of the present invention can accurately determine the electric energy error of the DC charger, and provides solutions for data transmission in two scenarios, overcomes the problem of inconvenient information transmission of the charger in harsh environments, and provides different outdoor conditions such as the installation site of the DC charging pile. The environment provides more possibilities and can better meet the needs of market development. At the same time, using this technical solution is easier to monitor remotely compared with the traditional online verification solution.

图4为根据本发明实施方式的用于对直流充电机的电能误差进行校验的方法400的流程图。如图4所示,本发明的实施方式提供的用于对直流充电机的电能误差进行校验的方法400从步骤401处开始,在步骤401校验仪根据获取的给用电负载充电的电能脉冲信号和直流充电机的内置电能表计量的被测电能脉冲信号,计算所述直流充电机的电能误差。FIG. 4 is a flowchart of a method 400 for verifying the power error of a DC charger according to an embodiment of the present invention. As shown in FIG. 4 , the method 400 for calibrating the electric energy error of a DC charger provided by the embodiment of the present invention starts from step 401 , and in step 401 the calibrator charges the electric load according to the obtained electric energy. The pulse signal and the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger are used to calculate the electric energy error of the DC charger.

在步骤402,当当前的无线通信信号的状态为稳定时,校验仪将所述电能误差直接发送至服务器。In step 402, when the current state of the wireless communication signal is stable, the calibrator directly sends the power error to the server.

在步骤403,当当前的无线通信信号的状态为不稳定时,校验仪将所述电能误差发送至移动通信终端;移动通信终端将所述电能误差发送至服务器。In step 403, when the current state of the wireless communication signal is unstable, the calibrator sends the power error to the mobile communication terminal; the mobile communication terminal sends the power error to the server.

优选地,其中所述方法包括:Preferably, wherein the method comprises:

利用校验仪的电能计量模块获取给用电负载充电的标准电能脉冲信号;Use the electric energy metering module of the calibrator to obtain the standard electric energy pulse signal for charging the electric load;

利用校验仪的无线脉冲接收模块获取直流充电机的内置电能表计量的被测电能脉冲信号;Use the wireless pulse receiving module of the calibrator to obtain the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger;

利用校验仪的电能脉冲比较模块根据所述标准电能脉冲信号和被测电能脉冲信号计算所述直流充电机的电能误差;Calculate the power error of the DC charger according to the standard power pulse signal and the measured power pulse signal by using the power pulse comparison module of the calibrator;

当当前的无线通信信号的状态为稳定时,校验仪的主控模块通过无线模块将所述电能误差直接发送至服务器;When the current state of the wireless communication signal is stable, the main control module of the calibrator directly sends the power error to the server through the wireless module;

当当前的无线通信信号的状态为不稳定时,校验仪的主控模块通过蓝牙模块将所述电能误差发送至移动通信终端。When the current state of the wireless communication signal is unstable, the main control module of the calibrator sends the power error to the mobile communication terminal through the Bluetooth module.

优选地,其中所述方法还包括:当所述校验仪没有外部电源支撑时,利用供电模块向所述主控模块提供电能支撑,以使得所述主控模块能够发送电能误差至所述服务器。Preferably, the method further comprises: when the calibrator is not supported by an external power supply, using a power supply module to provide power support to the main control module, so that the main control module can send the power error to the server .

优选地,其中所述方法还包括:Preferably, wherein the method further comprises:

CAN通信模块将监听到的用电负载使用的直流充电机端统计的被检测总用电量和被检测总费用发送至主控模块;The CAN communication module sends the detected total electricity consumption and the detected total cost to the main control module according to the statistics of the DC charger terminal used by the monitored electricity load;

主控模块将电能计量模块发送来的标准总用电量和被检测总用电量进行比较,以获取总用电量的误差值;The main control module compares the standard total electricity consumption sent by the energy metering module with the detected total electricity consumption to obtain the error value of the total electricity consumption;

根据标准总用电量计算标准总费用,并将被检测总费用和标准总费用进行比较,以获取总费用的误差值。Calculate the standard total cost according to the standard total electricity consumption, and compare the detected total cost with the standard total cost to obtain the error value of the total cost.

优选地,其中所述方法还包括:Preferably, wherein the method further comprises:

利用无线脉冲发射单元获取直流充电机的内置电能表计量的被测电能脉冲信,并发送至所述校验仪。The measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger is obtained by using the wireless pulse transmitting unit, and sent to the calibrator.

本发明的实施例的用于对直流充电机的电能误差进行校验的方法400与本发明的另一个实施例的用于对直流充电机的电能误差进行校验的系统100相对应,在此不再赘述。The method 400 for verifying the power error of a DC charger according to the embodiment of the present invention corresponds to the system 100 for verifying the power error of a DC charger according to another embodiment of the present invention. No longer.

已经通过参考少量实施方式描述了本发明。然而,本领域技术人员所公知的,正如附带的专利权利要求所限定的,除了本发明以上公开的其他的实施例等同地落在本发明的范围内。The present invention has been described with reference to a few embodiments. However, as is known to those skilled in the art, other embodiments than the above disclosed invention are equally within the scope of the invention, as defined by the appended patent claims.

通常地,在权利要求中使用的所有术语都根据他们在技术领域的通常含义被解释,除非在其中被另外明确地定义。所有的参考“一个/所述/该[装置、组件等]”都被开放地解释为所述装置、组件等中的至少一个实例,除非另外明确地说明。这里公开的任何方法的步骤都没必要以公开的准确的顺序运行,除非明确地说明。Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a/the/the [means, component, etc.]" are open to interpretation as at least one instance of said means, component, etc., unless expressly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.

本领域内的技术人员应明白,本申请的实施例可提供为方法、系统、或计算机程序产品。因此,本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。As will be appreciated by those skilled in the art, the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.

这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.

最后应当说明的是:以上实施例仅用以说明本发明的技术方案而非对其限制,尽管参照上述实施例对本发明进行了详细的说明,所属领域的普通技术人员应当理解:依然可以对本发明的具体实施方式进行修改或者等同替换,而未脱离本发明精神和范围的任何修改或者等同替换,其均应涵盖在本发明的权利要求保护范围之内。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention can still be Modifications or equivalent replacements are made to the specific embodiments of the present invention, and any modifications or equivalent replacements that do not depart from the spirit and scope of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1.一种用于对直流充电机的电能误差进行校验的系统,其特征在于,所述系统包括:1. A system for verifying the electrical energy error of a DC charger, wherein the system comprises: 校验仪,内嵌于充电枪内,用于根据获取的给用电负载充电的电能脉冲信号和直流充电机的内置电能表计量的被测电能脉冲信号,计算所述直流充电机的电能误差,并且当当前的无线通信信号的状态为稳定时,将所述电能误差直接发送至服务器;当当前的无线通信信号的状态为不稳定时,将所述电能误差发送至移动通信终端;The calibrator, embedded in the charging gun, is used to calculate the electric energy error of the DC charger according to the obtained electric energy pulse signal for charging the electric load and the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger , and when the state of the current wireless communication signal is stable, the power error is directly sent to the server; when the state of the current wireless communication signal is unstable, the power error is sent to the mobile communication terminal; 服务器,用于接收所述电能误差;A server for receiving the power error; 移动通信终端,用于接收所述电能误差,并发送至服务器。The mobile communication terminal is used for receiving the power error and sending it to the server. 2.根据权利要求1所述的系统,其特征在于,所述校验仪包括:2. The system of claim 1, wherein the calibrator comprises: 电能计量模块,与电能脉冲比较模块相连接,用于获取给用电负载充电的标准电能脉冲信号;The electric energy metering module, which is connected with the electric energy pulse comparison module, is used to obtain the standard electric energy pulse signal for charging the electric load; 无线脉冲接收模块,与电能脉冲比较模块相连接,用于获取直流充电机的内置电能表计量的被测电能脉冲信号;The wireless pulse receiving module is connected with the power pulse comparison module, and is used to obtain the measured power pulse signal measured by the built-in power meter of the DC charger; 电能脉冲比较模块,与主控模块相连接,用于根据所述标准电能脉冲信号和被测电能脉冲信号计算所述直流充电机的电能误差;a power pulse comparison module, connected with the main control module, for calculating the power error of the DC charger according to the standard power pulse signal and the measured power pulse signal; 主控模块,用于当当前的无线通信信号的状态为稳定时,通过无线模块将所述电能误差直接发送至服务器;用于当当前的无线通信信号的状态为不稳定时,通过蓝牙模块将所述电能误差发送至移动通信终端。The main control module is used to directly send the power error to the server through the wireless module when the state of the current wireless communication signal is stable; when the current state of the wireless communication signal is unstable, the Bluetooth module will The power error is sent to the mobile communication terminal. 3.根据权利要求2所述的系统,其特征在于,所述校验仪还包括:3. The system of claim 2, wherein the calibrator further comprises: 供电模块,与所述主控模块相连接,用于当所述校验仪没有外部电源支撑时,向所述主控模块提供电能支撑,以使得所述主控模块能够发送电能误差至所述服务器。a power supply module, connected to the main control module, for providing power support to the main control module when the calibrator has no external power support, so that the main control module can send power errors to the main control module server. 4.根据权利要求2所述的系统,其特征在于,所述校验仪还包括:4. The system of claim 2, wherein the calibrator further comprises: CAN通信模块,连接至直流充电机和用电负载间充电线路中的CAN通信总线上,并与所述主控模块相连接,用于将监听到的用电负载使用的直流充电机端统计的被检测总用电量和被检测总费用发送至主控模块;The CAN communication module is connected to the CAN communication bus in the charging line between the DC charger and the electrical load, and is connected to the main control module, and is used to count the monitored DC charger terminals used by the electrical load. The detected total electricity consumption and the detected total cost are sent to the main control module; 所述主控模块,用于将电能计量模块发送来的标准总用电量和被检测总用电量进行比较,以获取总用电量的误差值;以及根据标准总用电量计算标准总费用,并将被检测总费用和标准总费用进行比较,以获取总费用的误差值。The main control module is used to compare the standard total electricity consumption sent by the power metering module with the detected total electricity consumption to obtain the error value of the total electricity consumption; and calculate the standard total electricity consumption according to the standard total electricity consumption. cost, and compare the detected total cost with the standard total cost to obtain the error value of the total cost. 5.根据权利要求1所述的系统,其特征在于,所述系统还包括:5. The system of claim 1, wherein the system further comprises: 无线脉冲发射单元,用于获取直流充电机的内置电能表计量的被测电能脉冲信,并发送至所述校验仪。The wireless pulse transmitting unit is used to obtain the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger, and send it to the calibrator. 6.一种用于对直流充电机的电能误差进行校验的方法,其特征在于,所述方法包括:6. A method for verifying the electrical energy error of a DC charger, wherein the method comprises: 校验仪根据获取的给用电负载充电的电能脉冲信号和直流充电机的内置电能表计量的被测电能脉冲信号,计算所述直流充电机的电能误差;The calibrator calculates the electric energy error of the DC charger according to the obtained electric energy pulse signal for charging the electric load and the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger; 当当前的无线通信信号的状态为稳定时,校验仪将所述电能误差直接发送至服务器;When the current state of the wireless communication signal is stable, the calibrator directly sends the power error to the server; 当当前的无线通信信号的状态为不稳定时,校验仪将所述电能误差发送至移动通信终端,移动通信终端将所述电能误差发送至服务器。When the current state of the wireless communication signal is unstable, the calibrator sends the power error to the mobile communication terminal, and the mobile communication terminal sends the power error to the server. 7.根据权利要求6所述的方法,其特征在于,所述方法包括:7. The method of claim 6, wherein the method comprises: 利用校验仪的电能计量模块获取给用电负载充电的标准电能脉冲信号;Use the electric energy metering module of the calibrator to obtain the standard electric energy pulse signal for charging the electric load; 利用校验仪的无线脉冲接收模块获取直流充电机的内置电能表计量的被测电能脉冲信号;Use the wireless pulse receiving module of the calibrator to obtain the measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger; 利用校验仪的电能脉冲比较模块根据所述标准电能脉冲信号和被测电能脉冲信号计算所述直流充电机的电能误差;Using the power pulse comparison module of the calibrator to calculate the power error of the DC charger according to the standard power pulse signal and the measured power pulse signal; 当当前的无线通信信号的状态为稳定时,校验仪的主控模块通过无线模块将所述电能误差直接发送至服务器;When the current state of the wireless communication signal is stable, the main control module of the calibrator directly sends the power error to the server through the wireless module; 当当前的无线通信信号的状态为不稳定时,校验仪的主控模块通过蓝牙模块将所述电能误差发送至移动通信终端。When the current state of the wireless communication signal is unstable, the main control module of the calibrator sends the power error to the mobile communication terminal through the Bluetooth module. 8.根据权利要求7所述的方法,其特征在于,所述方法还包括:8. The method according to claim 7, wherein the method further comprises: 当所述校验仪没有外部电源支撑时,利用供电模块向所述主控模块提供电能支撑,以使得所述主控模块能够发送电能误差至所述服务器。When the calibrator has no external power support, a power supply module is used to provide power support to the main control module, so that the main control module can send power errors to the server. 9.根据权利要求7所述的方法,其特征在于,所述方法还包括:9. The method according to claim 7, wherein the method further comprises: CAN通信模块将监听到的用电负载使用的直流充电机端统计的被检测总用电量和被检测总费用发送至主控模块;The CAN communication module sends the detected total electricity consumption and the detected total cost to the main control module according to the statistics of the DC charger terminal used by the monitored electricity load; 主控模块将电能计量模块发送来的标准总用电量和被检测总用电量进行比较,以获取总用电量的误差值;The main control module compares the standard total electricity consumption sent by the energy metering module with the detected total electricity consumption to obtain the error value of the total electricity consumption; 根据标准总用电量计算标准总费用,并将被检测总费用和标准总费用进行比较,以获取总费用的误差值。Calculate the standard total cost according to the standard total electricity consumption, and compare the detected total cost with the standard total cost to obtain the error value of the total cost. 10.根据权利要求6所述的方法,其特征在于,所述方法包括:10. The method of claim 6, wherein the method comprises: 利用无线脉冲发射单元获取直流充电机的内置电能表计量的被测电能脉冲信,并发送至所述校验仪。The measured electric energy pulse signal measured by the built-in electric energy meter of the DC charger is obtained by using the wireless pulse transmitting unit, and sent to the calibrator.
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