技术领域technical field
本发明涉及设备检测领域，具体而言，涉及一种检测方法及装置。The invention relates to the field of equipment detection, in particular to a detection method and device.
背景技术Background technique
当前，智能变电站计量设备的校测手段及检测方法上滞后于智能变电站的建设水平和发展速度。目前，在多家研究院均已建立智能变电站实验室仿真系统，但对于计量方面的支持依然是空白，多数的研究停留在电子式互感器、数字化电能表单个设备上，缺乏对数字化电能计量设备的整体技术性能研究。然而实验室和变电站现场有完全不同的技术特性。例如，变电站现场可能包括sv+goose+1588报文，而实验室可能只有sv报文，数字化计量的现场检测和原来传统电能计量完全不一样，因此需要对数字化电能计量设备中关键设备和检验设备进行模拟检测以保证数字化电能计量设备中关键设备和检验设备在变电站现场工作时能够正常运行。相关技术中，对数字化电能计量设备中的设备的检测是在多个装置上对各个设备分别进行单独检测，因此对数字化电能计量设备中的设备检测效率低。At present, the calibration means and detection methods of smart substation metering equipment lag behind the construction level and development speed of smart substations. At present, smart substation laboratory simulation systems have been established in many research institutes, but the support for metering is still blank. Most of the research stays on electronic transformers and digital electric energy meters. There is a lack of digital electric energy metering equipment. The overall technical performance research. However, the laboratory and the substation site have completely different technical characteristics. For example, the substation site may include sv+goose+1588 messages, while the laboratory may only have sv messages. The on-site detection of digital metering is completely different from the original traditional energy metering. Therefore, key equipment and inspection equipment in digital energy metering equipment are required. Carry out simulation testing to ensure that the key equipment and inspection equipment in the digital electric energy metering equipment can operate normally when they are working on the substation site. In the related art, the detection of the equipment in the digital electric energy metering equipment is to separately detect each equipment on multiple devices, so the detection efficiency of the equipment in the digital electric energy metering equipment is low.
针对相关技术中对数字化电能计量设备中的设备检测效率低的问题，目前尚未提出有效的解决方案。Aiming at the problem of low equipment detection efficiency in the digital electric energy metering equipment in the related art, no effective solution has been proposed yet.
发明内容Contents of the invention
本发明的主要目的在于提供一种检测方法及装置，以解决相关技术中对数字化电能计量设备中的设备检测效率低的问题。The main purpose of the present invention is to provide a detection method and device to solve the problem of low detection efficiency in digital electric energy metering equipment in the related art.
为了实现上述目的，根据本发明的一个方面，提供了一种检测方法。该方法包括：接收三相电量信号，其中，三相电量信号包括三相电压信号和三相电流信号；获取标准报文信号和被检报文信号，其中，标准报文信号是标准合并单元根据接收到的三相电量信号输出的报文信号，被检报文信号是待检测设备根据接收到的三相电量信号输出的报文信号，待检测设备为数字化电能计量设备中的设备；以及对标准报文信号和被检报文信号进行对比，得到检测结果。In order to achieve the above object, according to one aspect of the present invention, a detection method is provided. The method includes: receiving a three-phase electrical quantity signal, wherein the three-phase electrical quantity signal includes a three-phase voltage signal and a three-phase current signal; acquiring a standard message signal and a detected message signal, wherein the standard message signal is obtained by the standard merging unit according to The message signal output by the received three-phase power signal, the message signal to be detected is the message signal output by the device to be detected according to the received three-phase power signal, and the device to be detected is a device in a digital electric energy metering device; and The standard message signal is compared with the detected message signal to obtain the detection result.
进一步地，标准报文信号包括标准电能脉冲信号，被检报文信号包括被检电能脉冲信号，其中，标准电能脉冲信号为数字化电能计量设备中的数字标准表输出的脉冲信号，被检电能脉冲信号为待检测设备中的数字化电能设备输出的脉冲信号，对标准报文信号和被检报文信号进行对比，得到检测结果包括：获取偏差值，其中，偏差值为标准电能脉冲信号和电能脉冲信号之间偏差的数值；判断偏差值是否在预设偏差数值范围内；如果偏差值在预设偏差数值范围内，得到第一检测结果；以及如果偏差值不在预设偏差数值范围内，得到第二检测结果。Further, the standard message signal includes a standard electric energy pulse signal, and the checked message signal includes a detected electric energy pulse signal, wherein the standard electric energy pulse signal is a pulse signal output by a digital standard meter in a digital electric energy metering device, and the detected electric energy pulse signal The signal is the pulse signal output by the digital electric energy equipment in the equipment to be tested. Comparing the standard message signal and the detected message signal, the detection results include: obtaining the deviation value, where the deviation value is the standard electric energy pulse signal and the electric energy pulse The value of the deviation between the signals; judging whether the deviation value is within the preset deviation value range; if the deviation value is within the preset deviation value range, the first detection result is obtained; and if the deviation value is not within the preset deviation value range, the second detection result is obtained 2. Test results.
进一步地，接收三相电量信号包括：获取变电站分析现场的抓包报文信号；从抓包报文信号中读取报文数字信号；发送报文数字信号至三相功率源；以及接收三相功率源根据报文数字信号输出的三相电量信号。Further, receiving the three-phase power signal includes: obtaining the packet capture message signal at the analysis site of the substation; reading the message digital signal from the packet capture message signal; sending the message digital signal to the three-phase power source; and receiving the three-phase The three-phase power signal output by the power source according to the digital signal of the message.
进一步地，在接收三相功率源根据报文数字信号输出的三相电量信号之后，该方法还包括：接收三相功率源根据报文数字信号输出的不平衡的电压信号、不平衡的电流信号、不同频率的信号和/或不同谐波含量的信号；以及根据不平衡的电压信号、不平衡的电流信号、不同频率的信号和/或不同谐波含量的信号模拟变电站现场的多种信号。Further, after receiving the three-phase power signal output by the three-phase power source according to the message digital signal, the method further includes: receiving the unbalanced voltage signal and the unbalanced current signal output by the three-phase power source according to the message digital signal , signals of different frequencies and/or signals of different harmonic contents; and simulate various signals at the substation site according to unbalanced voltage signals, unbalanced current signals, signals of different frequencies and/or signals of different harmonic contents.
进一步地，对标准报文信号和被检报文信号进行对比，得到检测结果之后，该方法还包括：根据检测结果确定待检测设备的误差值；根据误差值确定对待检测设备的校正方式；以及根据校正方式对待检测设备进行校正。Further, after comparing the standard message signal and the detected message signal, after obtaining the detection result, the method further includes: determining an error value of the device to be detected according to the detection result; determining a correction method of the device to be detected according to the error value; and Calibrate the equipment to be tested according to the calibration method.
为了实现上述目的，根据本发明的另一方面，提供了一种检测装置。该装置包括：第一接收单元，用于接收三相电量信号，其中，三相电量信号包括三相电压信号和三相电流信号；获取单元，用于获取标准报文信号和被检报文信号，其中，标准报文信号是标准合并单元根据接收到的三相电量信号输出的报文信号，被检报文信号是待检测设备根据接收到的三相电量信号输出的报文信号，待检测设备为数字化电能计量设备中的设备；以及对比单元，用于对标准报文信号和被检报文信号进行对比，得到检测结果。In order to achieve the above purpose, according to another aspect of the present invention, a detection device is provided. The device includes: a first receiving unit for receiving three-phase electrical quantity signals, wherein the three-phase electrical quantity signals include three-phase voltage signals and three-phase current signals; an acquisition unit for acquiring standard message signals and detected message signals , where the standard message signal is the message signal output by the standard merging unit according to the received three-phase electric quantity signal, the detected message signal is the message signal output by the device to be detected according to the received three-phase electric quantity signal, and the to-be-detected The equipment is the equipment in the digital electric energy metering equipment; and the comparison unit is used to compare the standard message signal and the checked message signal to obtain the detection result.
进一步地，标准报文信号包括标准电能脉冲信号，被检报文信号包括被检电能脉冲信号，其中，标准电能脉冲信号为数字化电能计量设备中的数字标准表输出的脉冲信号，被检电能脉冲信号为待检测设备中的数字化电能设备输出的脉冲信号，对比单元包括：第一获取模块，用于获取偏差值，其中，偏差值为标准电能脉冲信号和电能脉冲信号之间偏差的数值；判断模块，用于判断偏差值是否在预设偏差数值范围内；第二获取模块，用于在偏差值在预设偏差数值范围内的情况下，得到第一检测结果；以及第三获取模块，用于在偏差值不在预设偏差数值范围内的情况下，得到第二检测结果。Further, the standard message signal includes a standard electric energy pulse signal, and the checked message signal includes a detected electric energy pulse signal, wherein the standard electric energy pulse signal is a pulse signal output by a digital standard meter in a digital electric energy metering device, and the detected electric energy pulse signal The signal is a pulse signal output by a digital electric energy device in the device to be detected, and the comparison unit includes: a first acquisition module for obtaining a deviation value, wherein the deviation value is the value of the deviation between the standard electric energy pulse signal and the electric energy pulse signal; judging A module for judging whether the deviation value is within the preset deviation value range; a second acquisition module for obtaining the first detection result when the deviation value is within the preset deviation value range; and a third acquisition module for In the case that the deviation value is not within the preset deviation value range, the second detection result is obtained.
进一步地，第一接收单元包括：第四获取模块，用于获取变电站分析现场的抓包报文信号；读取模块，用于从抓包报文信号中读取报文数字信号；发送模块，用于发送报文数字信号至三相功率源；以及接收模块，用于接收三相功率源根据报文数字信号输出的三相电量信号。Further, the first receiving unit includes: a fourth acquisition module, which is used to obtain the captured packet signal at the substation analysis site; a reading module, which is used to read the digital signal of the packet from the captured packet signal; a sending module, It is used to send the message digital signal to the three-phase power source; and the receiving module is used to receive the three-phase power signal output by the three-phase power source according to the message digital signal.
进一步地，该装置还包括：第二接收单元，用于接收三相功率源根据报文数字信号输出的不平衡的电压信号、不平衡的电流信号、不同频率的信号和/或不同谐波含量的信号；以及模拟单元，用于根据不平衡的电压信号、不平衡的电流信号、不同频率的信号和/或不同谐波含量的信号模拟变电站现场的多种信号。Further, the device further includes: a second receiving unit, configured to receive unbalanced voltage signals, unbalanced current signals, signals of different frequencies and/or different harmonic content output by the three-phase power source according to the digital signal of the message and a simulation unit for simulating a variety of signals at the substation site based on unbalanced voltage signals, unbalanced current signals, signals of different frequencies and/or signals of different harmonic content.
进一步地，该装置还包括：第一确定单元，用于根据检测结果确定待检测设备的误差值；第二确定单元，用于根据误差值确定对待检测设备的校正方式；以及校正单元，用于根据校正方式对待检测设备进行校正。Further, the device further includes: a first determination unit, configured to determine an error value of the device to be detected according to the detection result; a second determination unit, configured to determine a correction method of the device to be detected according to the error value; and a correction unit, configured to Calibrate the equipment to be tested according to the calibration method.
通过本发明，采用以下步骤：接收三相电量信号，其中，三相电量信号包括三相电压信号和三相电流信号；获取标准报文信号和被检报文信号，其中，标准报文信号是标准合并单元根据接收到的三相电量信号输出的报文信号，被检报文信号是待检测设备根据接收到的三相电量信号输出的报文信号，待检测设备为数字化电能计量设备中的设备；以及对标准报文信号和被检报文信号进行对比，得到检测结果，从而对数字化电能计量设备中多个待检测设备进行检测，解决了相关技术中对数字化电能计量设备中的设备检测效率低的问题，进而达到了提升对数字化电能计量设备中的设备检测效率的效果。According to the present invention, the following steps are adopted: receiving three-phase electrical quantity signals, wherein the three-phase electrical quantity signals include three-phase voltage signals and three-phase current signals; obtaining standard message signals and detected message signals, wherein the standard message signals are The standard merging unit outputs the message signal according to the received three-phase power signal. The detected message signal is the message signal output by the device to be detected according to the received three-phase power signal. The device to be detected is a digital electric energy metering device. equipment; and compare the standard message signal with the detected message signal to obtain the detection result, so as to detect multiple devices to be detected in the digital electric energy metering equipment, and solve the equipment detection in the digital electric energy metering equipment in the related technology The problem of low efficiency has been solved, and the effect of improving the detection efficiency of equipment in digital electric energy metering equipment has been achieved.
附图说明Description of drawings
构成本申请的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The accompanying drawings constituting a part of this application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:
图1是根据本发明实施例的检测方法的流程图；Fig. 1 is the flowchart of the detection method according to the embodiment of the present invention;
图2是根据本发明实施例的检测方法检测合并单元或电子式互感器的示意图；Fig. 2 is a schematic diagram of detecting a merging unit or an electronic transformer according to a detection method according to an embodiment of the present invention;
图3是根据本发明实施例的检测方法检测数字化电能表或数字化电能表校验仪的示意图；Fig. 3 is a schematic diagram of detecting a digital electric energy meter or a digital electric energy meter calibrator according to a detection method of an embodiment of the present invention;
图4是根据本发明实施例的检测方法检测电子式互感器校验仪的示意图；Fig. 4 is a schematic diagram of an electronic transformer calibrator detected by a detection method according to an embodiment of the present invention;
图5是根据本发明实施例的检测装置的示意图；以及5 is a schematic diagram of a detection device according to an embodiment of the present invention; and
图6是根据本发明实施例的检测装置内部模块之间连接关系的示意图。Fig. 6 is a schematic diagram of connection relationships among internal modules of a detection device according to an embodiment of the present invention.
具体实施方式Detailed ways
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分的实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.
需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for the embodiments of the application described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.
根据本发明的实施例，提供了一种检测方法。According to an embodiment of the present invention, a detection method is provided.
图1是根据本发明实施例的检测方法的流程图。如图1所示，该方法包括以下步骤：Fig. 1 is a flowchart of a detection method according to an embodiment of the present invention. As shown in Figure 1, the method includes the following steps:
步骤S101，接收三相电量信号，其中，三相电量信号包括三相电压信号和三相电流信号。Step S101, receiving a three-phase electrical quantity signal, wherein the three-phase electrical quantity signal includes a three-phase voltage signal and a three-phase current signal.
三相电量信号可以是由三相功率源根据正弦函数产生任意幅值、频率和相位的电压电流数字波形，然后经过数模转换、功率放大输出标准电压电流信号，输出的稳定度不低于0.01％，准确度0.05％的信号。三相功率源可从现场记录波形数据的文件中读取波形数据，经过插值算法重建、数模转换、功率放大输出模拟信号，重现变电站现场信号。接收用于重现变电站现场信号的三相电量信号。The three-phase power signal can be a voltage and current digital waveform with any amplitude, frequency and phase generated by the three-phase power source according to the sinusoidal function, and then the standard voltage and current signal is output through digital-to-analog conversion and power amplification, and the output stability is not less than 0.01 %, accuracy 0.05% signal. The three-phase power source can read the waveform data from the file where the waveform data is recorded on site, and reconstruct the signal through interpolation algorithm, digital-to-analog conversion, and power amplification to output the analog signal to reproduce the on-site signal of the substation. Receive the three-phase power signal used to reproduce the field signal of the substation.
步骤S102，获取标准报文信号和被检报文信号，其中，标准报文信号是标准合并单元根据接收到的三相电量信号输出的报文信号，被检报文信号是待检测设备根据接收到的三相电量信号输出的报文信号，待检测设备为数字化电能计量设备中的设备。Step S102, obtain the standard message signal and the detected message signal, wherein, the standard message signal is the message signal output by the standard merging unit according to the received three-phase power signal, and the detected message signal is the message signal received by the device to be detected The message signal output by the received three-phase electrical quantity signal, and the equipment to be detected is the equipment in the digital electric energy metering equipment.
接收到上述高精度的三相电压电流信号，输出给待检测设备(例如，被试合并单元或电子式互感器)，同时输出给标准合并单元；待检测设备输出的IEC61850报文作为被检报文信号，通过标准合并单元输出的标准IEC61850报文(标准报文信号)。获取待检测设备输出的IEC61850报文作为被检报文信号和标准合并单元输出的标准IEC61850报文。Receive the above-mentioned high-precision three-phase voltage and current signals, output to the equipment to be tested (for example, the combined unit under test or electronic transformer), and output to the standard combined unit at the same time; the IEC61850 message output by the equipment to be tested is used as the detected report The text signal is the standard IEC61850 message (standard message signal) output by the standard merging unit. Obtain the IEC61850 message output by the device to be detected as the detected message signal and the standard IEC61850 message output by the standard merging unit.
步骤S103，对标准报文信号和被检报文信号进行对比，得到检测结果。Step S103, comparing the standard message signal with the detected message signal to obtain a detection result.
分别将标准报文信号和被检报文信号输入标准设备和待检测设备，例如，标准设备为数字标准表，待检测设备为被试数字化电能表，将数字标准表和被试数字化电能表输出的标准报文信号和被检报文信号校验模块进行误差校验，达到检测被试数字化电能表的目的。Input the standard message signal and the tested message signal into the standard equipment and the equipment to be tested respectively. For example, the standard equipment is a digital standard meter, the equipment to be tested is a digital energy meter under test, and the digital standard meter and the digital energy meter under test are output The standard message signal and the checked message signal checking module perform error checking to achieve the purpose of testing the digital electric energy meter under test.
需要说明的是，本发明实施例提供的检测方法可以对多个待检测设备进行检测，例如，多个待检测设备包括：合并单元、电子式互感器、数字化电能表、现场报文模拟以及其它需要扩展的设备。It should be noted that the detection method provided by the embodiment of the present invention can detect multiple devices to be detected, for example, multiple devices to be detected include: merging unit, electronic transformer, digital energy meter, field message simulation and other Equipment that needs to be expanded.
本发明实施例提供的检测方法，通过接收三相电量信号，其中，三相电量信号包括三相电压信号和三相电流信号；获取标准报文信号和被检报文信号，其中，标准报文信号是标准合并单元根据接收到的三相电量信号输出的报文信号，被检报文信号是待检测设备根据接收到的三相电量信号输出的报文信号，待检测设备为数字化电能计量设备中的设备；以及对标准报文信号和被检报文信号进行对比，得到检测结果，从而对数字化电能计量设备中多个待检测设备进行检测，解决了相关技术中对数字化电能计量设备中的设备检测效率低的问题，进而达到了提升对数字化电能计量设备中的设备检测效率的效果。The detection method provided by the embodiment of the present invention receives the three-phase power signal, wherein the three-phase power signal includes a three-phase voltage signal and a three-phase current signal; obtains a standard message signal and a detected message signal, wherein the standard message The signal is the message signal output by the standard merging unit according to the received three-phase power signal, the detected message signal is the message signal output by the device to be detected according to the received three-phase power signal, and the device to be detected is a digital electric energy metering device The equipment in the device; and compare the standard message signal and the detected message signal to obtain the detection result, so as to detect multiple devices to be detected in the digital electric energy metering device, and solve the problem in the digital electric energy metering device in the related technology The problem of low equipment detection efficiency has been achieved, and the effect of improving the equipment detection efficiency in digital electric energy metering equipment has been achieved.
优选地，在本发明实施例提供的检测方法中，标准报文信号包括标准电能脉冲信号，被检报文信号包括被检电能脉冲信号，其中，标准电能脉冲信号为数字化电能计量设备中的数字标准表输出的脉冲信号，被检电能脉冲信号为待检测设备中的数字化电能设备输出的脉冲信号，对标准报文信号和被检报文信号进行对比，得到检测结果包括：获取偏差值，其中，偏差值为标准电能脉冲信号和电能脉冲信号之间偏差的数值；判断偏差值是否在预设偏差数值范围内；如果偏差值在预设偏差数值范围内，得到第一检测结果；以及如果偏差值不在预设偏差数值范围内，得到第二检测结果。Preferably, in the detection method provided by the embodiment of the present invention, the standard message signal includes a standard electric energy pulse signal, and the detected message signal includes a detected electric energy pulse signal, wherein the standard electric energy pulse signal is a digital electric energy metering device. The pulse signal output by the standard meter, the pulse signal of the detected electric energy is the pulse signal output by the digital electric energy equipment in the equipment to be tested, the standard message signal and the checked message signal are compared, and the detection results include: obtaining the deviation value, where , the deviation value is the value of the deviation between the standard electric energy pulse signal and the electric energy pulse signal; judge whether the deviation value is within the preset deviation value range; if the deviation value is within the preset deviation value range, obtain the first detection result; and if the deviation If the value is not within the preset deviation value range, the second detection result is obtained.
通过上述方案，根据标准报文信号和被检报文信号得到不同的检测结果，从而达到检测待检测设备的目的。Through the above solution, different detection results are obtained according to the standard message signal and the detected message signal, so as to achieve the purpose of detecting the device to be detected.
可选地，在本发明实施例提供的检测方法中，接收三相电量信号包括：获取变电站分析现场的抓包报文信号；从抓包报文信号中读取报文数字信号；发送报文数字信号至三相功率源；以及接收三相功率源根据报文数字信号输出的三相电量信号。Optionally, in the detection method provided in the embodiment of the present invention, receiving the three-phase power signal includes: obtaining a packet capture message signal at the substation analysis site; reading the message digital signal from the packet capture message signal; sending the message The digital signal is sent to the three-phase power source; and the three-phase power signal output by the three-phase power source according to the message digital signal is received.
通过从变电站分析现场的抓包报文信号中获取报文数字信号，三相功率源根据报文数字信号输出的三相电量信号，重现变电站现场信号，根据重现变电站的现场信号对被检测设备进行检测，从而提升对被检测设备的精度。By obtaining the message digital signal from the packet capture message signal at the substation analysis site, the three-phase power source reproduces the on-site signal of the substation according to the three-phase electric quantity signal output by the message digital signal, and the detected signal is detected according to the reproduced on-site signal of the substation The equipment is detected to improve the accuracy of the detected equipment.
可选地，在本发明实施例提供的检测方法中，在接收三相功率源根据报文数字信号输出的三相电量信号之后，该方法还包括：接收三相功率源根据报文数字信号输出的不平衡的电压信号、不平衡的电流信号、不同频率的信号和/或不同谐波含量的信号；以及根据不平衡的电压信号、不平衡的电流信号、不同频率的信号和/或不同谐波含量的信号模拟变电站现场的多种信号。Optionally, in the detection method provided by the embodiment of the present invention, after receiving the three-phase power signal output by the three-phase power source according to the digital signal of the message, the method further includes: receiving the output signal of the three-phase power source according to the digital signal of the message unbalanced voltage signals, unbalanced current signals, signals of different frequencies and/or signals of different harmonic content; and according to unbalanced voltage signals, unbalanced current signals, signals of different frequencies and/or different harmonic content Signals with wave content simulate a variety of signals at the substation site.
三相功率源根据报文数字信号还输出的不平衡的电压信号、不平衡的电流信号、不同频率的信号和/或不同谐波含量的信号，上述多个信号将用于检测待检测设备，在各种不同的典型故障的情况下，检测出对待检测设备的影响。The three-phase power source also outputs unbalanced voltage signals, unbalanced current signals, signals of different frequencies and/or signals of different harmonic content according to the digital signal of the message. The above multiple signals will be used to detect the equipment to be detected. In the case of various typical faults, the effects on the equipment to be tested are detected.
可选地，在本发明实施例提供的检测方法中，对标准报文信号和被检报文信号进行对比，得到检测结果之后，该方法还包括：根据检测结果确定待检测设备的误差值；根据误差值确定对待检测设备的校正方式；以及根据校正方式对待检测设备进行校正。Optionally, in the detection method provided in the embodiment of the present invention, the standard packet signal is compared with the detected packet signal, and after the detection result is obtained, the method further includes: determining the error value of the device to be detected according to the detection result; Determine the correction method of the device to be detected according to the error value; and calibrate the device to be detected according to the correction method.
具体地，在本发明实施例提供的检测方法中，其数字化电能计量设备检测和测试功能通过以下方式实现，对于待检测设备为数字化电能计量设备中的合并单元模块或电子式互感器，三相标准功率源(三相功率源)提供高精度的三相电压电流信号，输出给被试合并单元或电子式互感器，同时输出给标准合并单元；时钟同步机构提供同步信号给被试合并单元或电子式互感器、标准合并单元；标准合并单元输出标准IEC61850报文给合并单元功能校验模块，作为标准信号，被试合并单元输出的IEC61850报文作为被检信号，通过合并单元功能校验模块比对被检信号和标准IEC61850报文，达到检测被试合并单元的目的。对于数字化电能表模块，标准合并单元输出标准IEC61850报文给数字标准表和被试数字化电能表，分别将数字标准表和被试数字化电能表输出的电能脉冲信号输出给数字化电能表功能校验模块进行电能误差校验，达到检测被试数字化电能表的目的。Specifically, in the detection method provided by the embodiment of the present invention, the detection and testing functions of the digital electric energy metering equipment are realized in the following manner. For the equipment to be detected is a merging unit module or an electronic transformer in the digital electric energy metering equipment, three-phase The standard power source (three-phase power source) provides high-precision three-phase voltage and current signals, which are output to the tested merging unit or electronic transformer, and output to the standard merging unit at the same time; the clock synchronization mechanism provides a synchronization signal to the tested merging unit or Electronic transformer, standard merging unit; the standard merging unit outputs a standard IEC61850 message to the merging unit function verification module as a standard signal, and the IEC61850 message output by the tested merging unit is used as the tested signal, which passes through the merging unit function verification module Compare the tested signal with the standard IEC61850 message to achieve the purpose of detecting the tested merging unit. For the digital electric energy meter module, the standard merging unit outputs the standard IEC61850 message to the digital standard meter and the digital electric energy meter under test, and outputs the electric energy pulse signals output by the digital standard meter and the digital electric energy meter under test to the function verification module of the digital electric energy meter Perform electric energy error calibration to achieve the purpose of testing the digital electric energy meter under test.
本发明实施例提供的检测方法，可通过以下方式实现操作培训和现场模拟功能，现场报文模拟模块读取分析现场的抓包报文，提取波形数据，发送给三相标准功率源重现现场模拟信号；提取网络报文并发送到工业光交换机，重现现场网络环境。同时包括合并单元测试典型故障模拟、数字化电能表功能及故障模拟。其中，合并单元测试典型故障模拟采用三相标准功率源分别模拟输出不平衡电压电流、不同频率、不同谐波含量的信号，模拟不平衡电压电流、频率影响、谐波影响等典型故障，测试合并单元在这些典型故障环境下的对计量的影响。The detection method provided by the embodiment of the present invention can realize operation training and on-site simulation functions in the following ways. The on-site message simulation module reads and analyzes the packet capture messages on the site, extracts waveform data, and sends them to the three-phase standard power source to reproduce the site Analog signals; extract network packets and send them to industrial optical switches to reproduce the on-site network environment. At the same time, it includes the typical fault simulation of the merged unit test, the function of the digital electric energy meter and the fault simulation. Among them, the typical fault simulation of the combined unit test uses three-phase standard power sources to simulate the output signals of unbalanced voltage and current, different frequencies, and different harmonic content, and simulates typical faults such as unbalanced voltage and current, frequency influence, and harmonic influence. The metering impact of the unit under these typical failure conditions.
需要说明的是，在本发明实施例提供的检测方法中，待检测模块还可包括其它需要扩展的模块。It should be noted that, in the detection method provided by the embodiment of the present invention, the module to be detected may also include other modules that need to be expanded.
因此，在本发明实施例提供的检测方法中，对数字化电能计量设备中的设备检测和测试，包括电子式互感器、合并单元和数字化电能表的单独或者整体检测功能，数字化电能表校验仪、合并单元校验仪等设备的检测功能。为现场数字化电能计量设备检测工作提供培训和实战的模拟平台。现场检测模拟功能，根据现场的抓包报文，在平台样机上重现现场报文和模拟数据；模拟对现场环境下的测试影响，合并单元功能模拟和数字式电能表功能及故障模拟。Therefore, in the detection method provided by the embodiment of the present invention, the detection and testing of the equipment in the digital electric energy metering equipment, including the individual or integral detection functions of the electronic transformer, the merging unit and the digital electric energy meter, the digital electric energy meter calibrator , Merging unit calibrator and other equipment detection functions. Provide a training and practical simulation platform for on-site digital electric energy metering equipment testing. On-site detection simulation function, according to the on-site packet capture message, reproduce the on-site message and simulated data on the platform prototype; simulate the test impact on the on-site environment, combine unit function simulation and digital energy meter function and fault simulation.
下面对本发明实施例提供的检测方法作进一步说明。The detection method provided by the embodiment of the present invention will be further described below.
图2是根据本发明实施例的检测方法检测合并单元或电子式互感器的示意图，如图2所示，对合并单元模块或电子式互感器模块的检测通过以下方式实现：Fig. 2 is a schematic diagram of detecting a merging unit or an electronic transformer according to a detection method according to an embodiment of the present invention. As shown in Fig. 2 , the detection of the merging unit module or the electronic transformer module is realized in the following manner:
三相标准功率源提供高精度的三相电压电流信号，输出给被试合并单元或电子式互感器，同时输出给标准合并单元；时钟同步装置提供同步信号给被试合并单元或电子式互感器、标准合并单元；标准合并单元输出标准IEC61850报文给合并单元功能校验模块作为标准信号，被试合并单元或电子式互感器输出的IEC61850报文作为被检信号，通过合并单元功能校验模块比对被检信号和标准IEC61850报文，达到检测被试合并单元或电子式互感器的目的。The three-phase standard power source provides high-precision three-phase voltage and current signals, which are output to the tested combining unit or electronic transformer, and output to the standard combining unit at the same time; the clock synchronization device provides a synchronous signal to the tested combining unit or electronic transformer , standard merging unit; the standard merging unit outputs a standard IEC61850 message to the merging unit function verification module as a standard signal, and the IEC61850 message output by the tested merging unit or electronic transformer is used as the tested signal, which passes through the merging unit function verification module Compare the tested signal with the standard IEC61850 message to achieve the purpose of testing the tested combining unit or electronic transformer.
图3是根据本发明实施例的检测方法检测数字化电能表或数字化电能表校验仪的示意图，如图3所示，对待检测设备为数字化电能计量设备中的数字化电能表或数字化电能表校验仪的检测通过以下方式实现：三相标准功率源提供高精度的三相电压电流信号，输出给标准合并单元；标准合并单元输出标准IEC61850报文给数字标准表和被试数字化电能表或数字化电能表校验仪；分别将数字标准表和被试数字化电能表或数字化电能表校验仪输出的电能脉冲信号输出给数字化电能表功能校验模块进行电能误差校验，实现检测被试数字化电能表或数字化电能表校验仪的目的。Fig. 3 is a schematic diagram of detecting a digital electric energy meter or a digital electric energy meter calibrator according to a detection method according to an embodiment of the present invention. The detection of the instrument is realized in the following ways: the three-phase standard power source provides high-precision three-phase voltage and current signals, and outputs them to the standard merging unit; the standard merging unit outputs standard IEC61850 messages to the digital standard meter and the digital electric energy meter or digital electric energy meter under test. Meter calibrator; respectively output the digital standard meter and the digital electric energy meter under test or the electric energy pulse signal output by the digital electric energy meter calibrator to the digital electric energy meter function verification module for electric energy error verification to realize the detection of the digital electric energy meter under test Or the purpose of digital energy meter calibrator.
图4是根据本发明实施例的检测方法检测电子式互感器校验仪的示意图，如图4所示，对待检测设备为数字化电能计量设备中的电子式互感器校验仪的检测通过以下方式实现：三相标准功率源提供高精度的三相电压电流信号，输出给被试电子式互感器校验仪作为标准信号，同时输出给标准合并单元；标准合并单元的AD转换模块对输入模拟信号采样，根据设置的相位差∮、变比b和比例差f，对得到的采样值进行数字微差混合，经协议转换模块输出标准IEC61850报文被试电子式互感器校验仪作为被检信号；通过对比给定的相位差∮、比例差f和被检互感器校验仪的测试值，检定被检互感器校验仪的误差。Fig. 4 is a schematic diagram of detecting an electronic transformer calibrator according to a detection method according to an embodiment of the present invention. As shown in Fig. 4, the electronic transformer calibrator in the digital electric energy metering equipment is detected by the following method Realization: The three-phase standard power source provides high-precision three-phase voltage and current signals, which are output to the tested electronic transformer calibrator as a standard signal, and output to the standard merging unit at the same time; the AD conversion module of the standard merging unit is used for the input analog signal Sampling, according to the set phase difference ∮, transformation ratio b and proportion difference f, digital differential mixing is performed on the obtained sampling values, and the standard IEC61850 message is output through the protocol conversion module. The electronic transformer calibrator under test is used as the signal under test ; By comparing the given phase difference ∮, proportional difference f and the test value of the tested transformer calibrator, verify the error of the tested transformer calibrator.
在本发明实施例提供的检测方法中，合并单元测试典型故障模拟功能通过以下方式实现：三相标准功率源分别输出不平衡电压电流、不同频率、不同谐波含量的信号，从而模拟不平衡电压电流、频率影响、谐波影响等典型故障；测试合并单元在这些典型故障环境下的计量性能影响。In the detection method provided by the embodiment of the present invention, the typical fault simulation function of the merged unit test is realized in the following manner: the three-phase standard power source respectively outputs signals of unbalanced voltage and current, different frequencies, and different harmonic content, thereby simulating the unbalanced voltage Typical faults such as current, frequency influence, harmonic influence, etc.; test the measurement performance impact of the merging unit under these typical fault environments.
在本发明实施例提供的检测方法中，数字化电能表的故障模拟通过以下方式实现：标准合并单元在IEC61850协议转换阶段可进行报文存在无效通道、报文源地址无效、报文数据无效、报文为检修状态、品质因数变位、丢帧、重复、错序等异常事件和故障模拟，从而测试数字化电能表对这些异常事件和故障模拟的反应。In the detection method provided by the embodiment of the present invention, the fault simulation of the digital electric energy meter is realized in the following manner: the standard merging unit can perform message existence invalid channel, message source address invalid, message data invalid, report This article is about abnormal events and fault simulations such as maintenance status, quality factor displacement, frame loss, repetition, and wrong sequence, so as to test the response of digital electric energy meters to these abnormal events and fault simulations.
需要说明的是，在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行，并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。It should be noted that the steps shown in the flowcharts of the accompanying drawings may be performed in a computer system, such as a set of computer-executable instructions, and that although a logical order is shown in the flowcharts, in some cases, The steps shown or described may be performed in an order different than here.
本发明实施例还提供了一种检测装置，需要说明的是，本发明实施例的检测装置可以用于执行本发明实施例所提供的用于检测方法。以下对本发明实施例提供的检测装置进行介绍。The embodiment of the present invention also provides a detection device. It should be noted that the detection device in the embodiment of the present invention can be used to implement the detection method provided in the embodiment of the present invention. The detection device provided by the embodiment of the present invention is introduced below.
图5是根据本发明实施例的检测装置的示意图。如图5所示，该装置包括：第一接收单元10、获取单元20和对比单元30。Fig. 5 is a schematic diagram of a detection device according to an embodiment of the present invention. As shown in FIG. 5 , the device includes: a first receiving unit 10 , an acquiring unit 20 and a comparing unit 30 .
第一接收单元10，用于接收三相电量信号，其中，三相电量信号包括三相电压信号和三相电流信号。The first receiving unit 10 is configured to receive a three-phase electrical quantity signal, wherein the three-phase electrical quantity signal includes a three-phase voltage signal and a three-phase current signal.
获取单元20，用于获取标准报文信号和被检报文信号，其中，标准报文信号是标准合并单元根据接收到的三相电量信号输出的报文信号，被检报文信号是待检测设备根据接收到的三相电量信号输出的报文信号，待检测设备为数字化电能计量设备中的设备。The obtaining unit 20 is used to obtain the standard message signal and the detected message signal, wherein the standard message signal is the message signal output by the standard merging unit according to the received three-phase power signal, and the detected message signal is the message signal to be detected The device outputs the message signal according to the received three-phase power signal, and the device to be detected is a device in the digital electric energy metering device.
对比单元30，用于对标准报文信号和被检报文信号进行对比，得到检测结果。The comparison unit 30 is configured to compare the standard message signal and the detected message signal to obtain a detection result.
本发明实施例提供的检测装置，由于包括第一接收单元10，用于接收三相电量信号，其中，三相电量信号包括三相电压信号和三相电流信号，获取单元20，用于获取标准报文信号和被检报文信号，其中，标准报文信号是标准合并单元根据接收到的三相电量信号输出的报文信号，被检报文信号是待检测设备根据接收到的三相电量信号输出的报文信号，待检测设备为数字化电能计量设备中的设备，对比单元30，用于对标准报文信号和被检报文信号进行对比，得到检测结果，在同一装置上对数字化电能计量设备中多个待检测设备进行检测，解决了相关技术中对数字化电能计量设备中的设备检测效率低的问题，达到了提升对数字化电能计量设备中的设备检测效率的效果。The detection device provided by the embodiment of the present invention includes the first receiving unit 10 for receiving the three-phase power signal, wherein the three-phase power signal includes a three-phase voltage signal and a three-phase current signal, and the acquisition unit 20 is used for obtaining the standard The message signal and the detected message signal, wherein the standard message signal is the message signal output by the standard merging unit according to the received three-phase power signal, and the detected message signal is the received three-phase power signal of the equipment to be detected The message signal output by the signal, the equipment to be detected is the equipment in the digital electric energy metering equipment, and the comparison unit 30 is used to compare the standard message signal and the checked message signal to obtain the detection result, and to compare the digital electric energy on the same device The detection of multiple devices to be detected in the metering equipment solves the problem of low detection efficiency of the equipment in the digital electric energy measurement equipment in the related art, and achieves the effect of improving the detection efficiency of the equipment in the digital electric energy measurement equipment.
优选地，在本发明实施例提供的检测装置中，标准报文信号包括标准电能脉冲信号，被检报文信号包括被检电能脉冲信号，其中，标准电能脉冲信号为数字化电能计量设备中的数字标准表输出的脉冲信号，被检电能脉冲信号为待检测设备中的数字化电能设备输出的脉冲信号，对比单元30包括：第一获取模块，用于获取偏差值，其中，偏差值为标准电能脉冲信号和电能脉冲信号之间偏差的数值；判断模块，用于判断偏差值是否在预设偏差数值范围内；第二获取模块，用于在偏差值在预设偏差数值范围内的情况下，得到第一检测结果；以及第三获取模块，用于在偏差值不在预设偏差数值范围内的情况下，得到第二检测结果。Preferably, in the detection device provided by the embodiment of the present invention, the standard message signal includes a standard electric energy pulse signal, and the detected message signal includes a detected electric energy pulse signal, wherein the standard electric energy pulse signal is a digital electric energy metering device. The pulse signal output by the standard meter, the detected electric energy pulse signal is the pulse signal output by the digitized electric energy equipment in the equipment to be detected, and the comparison unit 30 includes: a first acquisition module, which is used to obtain the deviation value, wherein the deviation value is the standard electric energy pulse The value of the deviation between the signal and the electric energy pulse signal; the judging module is used to judge whether the deviation value is within the preset deviation value range; the second acquisition module is used to obtain the deviation value in the case of the preset deviation value range. a first detection result; and a third acquisition module, configured to obtain a second detection result when the deviation value is not within the preset deviation value range.
可选地，在本发明实施例提供的检测装置中，第一接收单元10包括：第四获取模块，用于获取变电站分析现场的抓包报文信号；读取模块，用于从抓包报文信号中读取报文数字信号；发送模块，用于发送报文数字信号至三相功率源；以及接收模块，用于接收三相功率源根据报文数字信号输出的三相电量信号。Optionally, in the detection device provided by the embodiment of the present invention, the first receiving unit 10 includes: a fourth acquisition module, used to acquire the packet capture message signal of the substation analysis site; The digital signal of the message is read from the message signal; the sending module is used to send the digital signal of the message to the three-phase power source; and the receiving module is used to receive the three-phase power signal output by the three-phase power source according to the digital signal of the message.
可选地，在本发明实施例提供的检测装置中，该装置还包括：第二接收单元，用于接收三相功率源根据报文数字信号输出的不平衡的电压信号、不平衡的电流信号、不同频率的信号和/或不同谐波含量的信号；以及模拟单元，用于根据不平衡的电压信号、不平衡的电流信号、不同频率的信号和/或不同谐波含量的信号模拟变电站现场的多种信号。Optionally, in the detection device provided in the embodiment of the present invention, the device further includes: a second receiving unit, configured to receive the unbalanced voltage signal and the unbalanced current signal output by the three-phase power source according to the message digital signal , signals of different frequencies and/or signals of different harmonic contents; and a simulation unit for simulating a substation site based on unbalanced voltage signals, unbalanced current signals, signals of different frequencies and/or signals of different harmonic contents of various signals.
可选地，在本发明实施例提供的检测装置中，该装置还包括：第一确定单元，用于根据检测结果确定待检测设备的误差值；第二确定单元，用于根据误差值确定对待检测设备的校正方式；以及校正单元，用于根据校正方式对待检测设备进行校正。Optionally, in the detection device provided in the embodiment of the present invention, the device further includes: a first determination unit, configured to determine the error value of the device to be detected according to the detection result; a second determination unit, configured to determine the error value of the device to be detected according to the error value A calibration method of the detection device; and a calibration unit, configured to calibrate the device to be detected according to the calibration method.
图6是根据本发明实施例的检测装置内部模块之间连接关系的示意图。如图6所示，标准合并单元通过模拟量切换开关与三相标准功率源(三相功率源)和三相标准小信号源连接，标准合并单元与工业光纤交换机(工业光交换机)连接；工业光纤交换机与电子式互感器合并单元校验模块连接，工业光纤交换机与数字标准表连接，时钟同步装置与标准合并单元和电子式互感器合并单元校验模块连接等等，通过以上内部模块之间的信号传输，在同一装置上对数字化电能计量设备中待检测设备进行了检测，本发明实施例提供的检测装置解决了相关技术中对数字化电能计量设备中的设备检测效率低的问题，进而达到了提升对数字化电能计量设备中的设备检测效率的效果。Fig. 6 is a schematic diagram of connection relationships among internal modules of a detection device according to an embodiment of the present invention. As shown in Figure 6, the standard merging unit is connected to a three-phase standard power source (three-phase power source) and a three-phase standard small signal source through an analog switch, and the standard merging unit is connected to an industrial optical fiber switch (industrial optical switch); The optical fiber switch is connected to the verification module of the electronic transformer merging unit, the industrial optical fiber switch is connected to the digital standard meter, the clock synchronization device is connected to the standard merging unit and the electronic transformer merging unit verification module, etc., through the above internal modules The signal transmission of the digital electric energy metering equipment is detected on the same device. The detection device provided by the embodiment of the present invention solves the problem of low detection efficiency of the equipment in the digital electric energy metering equipment in the related art, and then achieves In order to improve the effect of equipment detection efficiency in digital electric energy metering equipment.
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本发明并不受所描述的动作顺序的限制，因为依据本发明，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本发明所必须的。It should be noted that for the foregoing method embodiments, for the sake of simple description, they are expressed as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence. Because of the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification belong to preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。In the foregoing embodiments, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.
在本申请所提供的几个实施例中，应该理解到，所揭露的装置，可通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or can be Integrate into another system, or some features may be ignored, or not implemented.
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。Obviously, those skilled in the art should understand that each module or each step of the above-mentioned present invention can be realized by a general-purpose computing device, and they can be concentrated on a single computing device, or distributed in a network formed by multiple computing devices Optionally, they can be implemented with program codes executable by a computing device, so that they can be stored in a storage device and executed by a computing device, or they can be made into individual integrated circuit modules, or they can be integrated into Multiple modules or steps are fabricated into a single integrated circuit module to realize. As such, the present invention is not limited to any specific combination of hardware and software.
以上所述仅为本发明的优选实施例，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
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| CN201510369577.4ACN104914405B (en) | 2015-06-26 | 2015-06-26 | Detection method and device |
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