技术领域technical field
本发明涉及图像数据采集技术领域，具体涉及一种用于智能变电站的照明与图像采集联动控制方法。The invention relates to the technical field of image data acquisition, in particular to a lighting and image acquisition linkage control method for an intelligent substation.
背景技术Background technique
在工业领域，存在着众多的机械计量目标(例如：表计等)，这些计量目标实时反馈当前设备的运行状态，计值准确可靠，但需要人工读取。随着数字化识别技术，如图像智能识别算法的不断优化，通过图像采样后进行数据识别，实现在线或远程的获知，可以达到提前预警的目的；关键设备数据采集的长期沉淀，有助于未来的挖掘分析，提升维护管理水平。In the industrial field, there are many mechanical measurement objects (for example: meters, etc.), these measurement objects give real-time feedback on the current operating status of the equipment, and the value is accurate and reliable, but manual reading is required. With the continuous optimization of digital recognition technology, such as image intelligent recognition algorithm, data recognition can be carried out after image sampling to realize online or remote learning, which can achieve the purpose of early warning; long-term precipitation of key equipment data collection will help future Mining and analysis to improve maintenance management level.
图像识别通过采样后进行图像的识别，在采样过程中分辨精度非常重要，需要保证充分的照明，通常的做法是在图像采样装置上安装闪光灯模块，现在很多使用的是LED光源，省电可靠。Image recognition performs image recognition after sampling. The resolution accuracy is very important in the sampling process, and sufficient lighting needs to be ensured. The usual practice is to install a flash module on the image sampling device. Now many use LED light sources, which are power-saving and reliable.
上述的图像采样过程中需要有闪光灯模块辅助照明，如果需要保证长期工作，在条件允许下图像采样装置可以外接电源保证电力供应。但在很多工业场景下，提供直接供电很难实现，或者现场改造有较高的安全要求；而采用电池电源无法满足闪光灯模块的长期工作。The above-mentioned image sampling process requires a flash module for auxiliary lighting. If it is necessary to ensure long-term operation, the image sampling device can be connected to an external power supply to ensure power supply if conditions permit. However, in many industrial scenarios, it is difficult to provide direct power supply, or there are high safety requirements for on-site modification; and the use of battery power cannot meet the long-term work of the flash module.
发明内容Contents of the invention
针对上述问题，本发明在工业场景下提供照明与图像采集的联动控制，降低工业领域部署低功耗数据采集装置的难度，提供一套可定制可调度的联动控制数据采集方法。In response to the above problems, the present invention provides linkage control of lighting and image acquisition in industrial scenarios, reduces the difficulty of deploying low-power data acquisition devices in the industrial field, and provides a set of customizable and schedulable linkage control data acquisition methods.
本发明具体为一种用于智能变电站的照明与图像采集联动控制方法，基于一种远程联动控制系统，所述远程联动控制系统包括远程控制中心、便携式移动设备、照明控制模块、LED光源、光感联动模块、图像采集模块、亮度感应模块、图像处理模块、图像识别模块以及数据传输模块，所述照明控制模块与所述LED光源电连接，所述光感联动模块、所述图像采集模块、所述亮度感应模块、所述图像处理模块、所述图像识别模块、所述数据传输模块依次电连接，所述远程控制中心与所述便携式移动设备实现双向无线通信，所述数据传输模块与所述远程控制中心实现无线通信。The present invention is specifically a lighting and image acquisition linkage control method for smart substations, based on a remote linkage control system, the remote linkage control system includes a remote control center, a portable mobile device, a lighting control module, an LED light source, a light Sensing linkage module, image acquisition module, brightness sensing module, image processing module, image recognition module and data transmission module, the lighting control module is electrically connected to the LED light source, the light sensing linkage module, the image acquisition module, The brightness sensing module, the image processing module, the image recognition module, and the data transmission module are electrically connected in sequence, the remote control center and the portable mobile device realize two-way wireless communication, and the data transmission module and the The remote control center realizes wireless communication.
所述联动控制方法具体包括如下步骤：The linkage control method specifically includes the following steps:
步骤(1)：电力工作人员通过便携式移动设备发送联动控制指令；Step (1): Electric power workers send linkage control commands through portable mobile devices;
步骤(2)：远程控制中心下发所述联动控制指令；Step (2): The remote control center issues the linkage control command;
步骤(3)：根据所述联动控制指令发送相应的照明控制指令；Step (3): sending a corresponding lighting control command according to the linkage control command;
步骤(4)：打开LED光源照明或将照明亮度提升到指定值，通过特定光源频率信号发送指令；Step (4): Turn on the LED light source lighting or increase the lighting brightness to a specified value, and send instructions through a specific light source frequency signal;
步骤(5)：判断指令信号是否为数据采集指令，若是，进入步骤(6)，若否，继续等待；Step (5): determine whether the command signal is a data acquisition command, if so, enter step (6), if not, continue to wait;
步骤(6)：光感联动模块发送操作联动；Step (6): The light-sensing linkage module sends operation linkage;
步骤(7)：根据联动指令进行电力设备数据信息的图像采集操作；Step (7): Carry out the image acquisition operation of the electric equipment data information according to the linkage instruction;
步骤(8)：对采集到的图像进行亮度检测；Step (8): performing brightness detection on the collected image;
步骤(9)：判断图像亮度是否在预设亮度范围之内，若是，进入步骤(10)，若否，删除相应图像信息；Step (9): judging whether the brightness of the image is within the preset brightness range, if so, proceed to step (10), if not, delete the corresponding image information;
步骤(10)：对亮度合适的图像进行处理，得到清晰的数字图像；Step (10): Process the image with suitable brightness to obtain a clear digital image;
步骤(11)：对处理后的图像进行数据识别，获得有效的电力数据；Step (11): Perform data identification on the processed image to obtain effective power data;
步骤(12)：将有效的电力数据上传至远程控制中心；Step (12): Upload valid power data to the remote control center;
步骤(13)：将电力数据发送至电力工作人员的便携式移动设备。Step (13): Send the power data to the portable mobile device of the power worker.
所述步骤(4)中的LED光源为红色光源或绿色光源，其发出的所述特定光源频率信号为肉眼看不见的高速明暗闪烁信号。The LED light source in the step (4) is a red light source or a green light source, and the specific light source frequency signal emitted by it is a high-speed bright and dark flickering signal invisible to the naked eye.
所述步骤(10)中的图像处理包括修正、过滤和锐化处理。The image processing in the step (10) includes correction, filtering and sharpening.
图像修正处理的函数模型是其中，A为修正后的图像灰度，B[s]为灰度函数，s为原图像灰度，Ts为图像直方图。The functional model for image correction processing is Among them, A is the corrected image grayscale, B[s] is the grayscale function, s is the original image grayscale, and Ts is the image histogram.
图像过滤处理的函数模型为f(x，y)＝M[x1，x2，…，xn]，即用领域点的中间值代替相应点的数值，其中，f(x，y)为图像函数，x1，x2，…，xn为点(x，y)及其领域的灰度值。The function model of image filtering processing is f(x, y)=M[x1 , x2 ,…, xn ], that is, the value of the corresponding point is replaced by the median value of the domain point, where f(x, y) is Image function, x1 , x2 ,..., xn is the gray value of the point (x, y) and its field.
图像锐化处理采用梯度微分方法实现，点(x，y)的梯度幅值为：The image sharpening process is realized by the gradient differential method, and the gradient magnitude of the point (x, y) is:
其中，(m，n)为数字图像f(x，y)的像素点。Among them, (m, n) is the pixel point of the digital image f(x, y).
与现有技术相比较，本发明具有以下优点：Compared with the prior art, the present invention has the following advantages:
1、本发明适配工业场景，特别是无人值守的智能变电站或自动控制车间，长期在无人状态下，日常条件下无需照明，如果在这种黑暗场景下对表计等进行图像采样识别，采样必须配备闪光灯装置进行辅助照明，采样装置的供电改造是个难题，需要重新部署电源线路，特别有安全要求的场景，重新部署供电线路需要变更设计等流程，实施周期长。本发明通过区域照明控制，在需要数据采集时开启照明并联动触发图像采集识别，而在该区域部署的图像采集识别装置无需单独配置闪光灯，这种图像采集识别装置能耗低，可以使用电池供电，满足长期采集的需求，没有供电改造，部署快捷方便。1. The present invention is suitable for industrial scenes, especially unattended smart substations or automatic control workshops, which are unmanned for a long time and do not need lighting under daily conditions. If image sampling and recognition are performed on meters in this dark scene , Sampling must be equipped with a flash device for auxiliary lighting. The power supply transformation of the sampling device is a difficult problem, and the power supply line needs to be re-deployed. Especially in scenarios with safety requirements, the redeployment of the power supply line needs to change the design and other processes, and the implementation cycle is long. In the present invention, through regional lighting control, lighting is turned on when data collection is required and image collection and recognition are triggered in linkage, and the image collection and recognition device deployed in this area does not need to be equipped with a separate flashlight. This image collection and recognition device has low energy consumption and can be powered by batteries , to meet the needs of long-term collection, without power supply transformation, quick and convenient deployment.
2、本发明通过照明控制，在需要数据采集时进行照明控制(开启灯源或提升照明亮度)，节省能耗。其中照明控制模块可以接受远程指令，可实现全局可调度的数据采集方法。2. Through lighting control, the present invention performs lighting control (turning on the light source or increasing the lighting brightness) when data collection is required to save energy consumption. Among them, the lighting control module can accept remote instructions, and can realize a globally schedulable data collection method.
附图说明Description of drawings
图1是本发明用于智能变电站的照明与图像采集联动控制系统的示意图。Fig. 1 is a schematic diagram of the lighting and image acquisition linkage control system used in a smart substation according to the present invention.
图2是本发明用于智能变电站的照明与图像采集联动控制方法的流程图。Fig. 2 is a flowchart of the lighting and image acquisition linkage control method for smart substations according to the present invention.
具体实施方式detailed description
下面结合附图对本发明用于智能变电站的照明与图像采集联动控制方法的具体实施方式做详细阐述。The specific implementation of the lighting and image acquisition linkage control method for smart substations according to the present invention will be described in detail below in conjunction with the accompanying drawings.
如图1所示，本发明一种用于智能变电站的照明与图像采集联动控制方法，基于一种远程联动控制系统，所述远程联动控制系统包括远程控制中心、便携式移动设备、照明控制模块、LED光源、光感联动模块、图像采集模块、亮度感应模块、图像处理模块、图像识别模块以及数据传输模块，所述照明控制模块与所述LED光源电连接，所述光感联动模块、所述图像采集模块、所述亮度感应模块、所述图像处理模块、所述图像识别模块、所述数据传输模块依次电连接，所述远程控制中心与所述便携式移动设备实现双向无线通信，所述数据传输模块与所述远程控制中心实现无线通信。As shown in Figure 1, the present invention is a lighting and image acquisition linkage control method for smart substations, based on a remote linkage control system, the remote linkage control system includes a remote control center, a portable mobile device, a lighting control module, LED light source, light sensing linkage module, image acquisition module, brightness sensing module, image processing module, image recognition module and data transmission module, the lighting control module is electrically connected to the LED light source, the light sensing linkage module, the The image acquisition module, the brightness sensing module, the image processing module, the image recognition module, and the data transmission module are electrically connected in sequence, and the remote control center and the portable mobile device realize two-way wireless communication, and the data The transmission module realizes wireless communication with the remote control center.
如图2所示，本发明一种用于智能变电站的照明与图像采集联动控制方法的具体步骤为：As shown in Figure 2, the specific steps of a lighting and image acquisition linkage control method for smart substations according to the present invention are as follows:
步骤(1)：电力工作人员通过便携式移动设备发送联动控制指令；Step (1): Electric power workers send linkage control commands through portable mobile devices;
步骤(2)：远程控制中心下发所述联动控制指令；Step (2): The remote control center issues the linkage control command;
步骤(3)：根据所述联动控制指令发送相应的照明控制指令；Step (3): sending a corresponding lighting control command according to the linkage control command;
步骤(4)：打开LED光源照明或将照明亮度提升到指定值，通过特定光源频率信号发送指令；Step (4): Turn on the LED light source lighting or increase the lighting brightness to a specified value, and send instructions through a specific light source frequency signal;
步骤(5)：判断指令信号是否为数据采集指令，若是，进入步骤(6)，若否，继续等待；Step (5): determine whether the command signal is a data acquisition command, if so, enter step (6), if not, continue to wait;
步骤(6)：光感联动模块发送操作联动；Step (6): The light-sensing linkage module sends operation linkage;
步骤(7)：根据联动指令进行电力设备数据信息的图像采集操作；Step (7): Carry out the image acquisition operation of the electric equipment data information according to the linkage instruction;
步骤(8)：对采集到的图像进行亮度检测；Step (8): performing brightness detection on the collected image;
步骤(9)：判断图像亮度是否在预设亮度范围之内，若是，进入步骤(10)，若否，删除相应图像信息；Step (9): judging whether the brightness of the image is within the preset brightness range, if so, proceed to step (10), if not, delete the corresponding image information;
步骤(10)：对亮度合适的图像进行处理，得到清晰的数字图像；Step (10): Process the image with suitable brightness to obtain a clear digital image;
步骤(11)：对处理后的图像进行数据识别，获得有效的电力数据；Step (11): Perform data identification on the processed image to obtain effective power data;
步骤(12)：将有效的电力数据上传至远程控制中心；Step (12): Upload valid power data to the remote control center;
步骤(13)：将电力数据发送至电力工作人员的便携式移动设备。Step (13): Send the power data to the portable mobile device of the power worker.
所述步骤(4)中的LED光源为红色光源或绿色光源，其发出的所述特定光源频率信号为肉眼看不见的高速明暗闪烁信号。The LED light source in the step (4) is a red light source or a green light source, and the specific light source frequency signal emitted by it is a high-speed bright and dark flickering signal invisible to the naked eye.
所述步骤(10)中的图像处理包括修正、过滤和锐化处理。The image processing in the step (10) includes correction, filtering and sharpening.
图像修正处理的函数模型是其中，A为修正后的图像灰度，B[s]为灰度函数，s为原图像灰度，Ts为图像直方图。The functional model for image correction processing is Among them, A is the corrected image grayscale, B[s] is the grayscale function, s is the original image grayscale, and Ts is the image histogram.
图像过滤处理的函数模型为f(x，y)＝M[x1，x2，…，xn]，即用领域点的中间值代替相应点的数值，其中，f(x，y)为图像函数，x1，x2，…，xn为点(x，y)及其领域的灰度值。The function model of image filtering processing is f(x, y)=M[x1 , x2 ,…, xn ], that is, the value of the corresponding point is replaced by the median value of the domain point, where f(x, y) is Image function, x1 , x2 ,..., xn is the gray value of the point (x, y) and its field.
图像锐化处理采用梯度微分方法实现，点(x，y)的梯度幅值为：The image sharpening process is realized by the gradient differential method, and the gradient magnitude of the point (x, y) is:
其中，(m，n)为数字图像f(x，y)的像素点。Among them, (m, n) is the pixel point of the digital image f(x, y).
最后应该说明的是，结合上述实施例仅说明本发明的技术方案而非对其限制。所属领域的普通技术人员应当理解到，本领域技术人员可以对本发明的具体实施方式进行修改或者等同替换，但这些修改或变更均在申请待批的权利要求保护范围之中。Finally, it should be noted that the combination of the above embodiments only illustrates the technical solution of the present invention rather than limiting it. Those of ordinary skill in the art should understand that those skilled in the art can modify or equivalently replace the specific embodiments of the present invention, but these modifications or changes are within the protection scope of the pending claims.
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| CN201710556242.2ACN107450357B (en) | 2017-07-10 | 2017-07-10 | Illumination and image acquisition linkage control method for intelligent substation |
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| CN201710556242.2ACN107450357B (en) | 2017-07-10 | 2017-07-10 | Illumination and image acquisition linkage control method for intelligent substation |
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