WO2019233180A1 - 基于参数提取的辐射设备报警系统 - Google Patents
基于参数提取的辐射设备报警系统 Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
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- the invention relates to the field of household equipment, in particular to a radiation equipment alarm system based on parameter extraction.
- Radiant heater is a heating device that uses infrared radiation to heat, warm and bake. Radiant heater is also suitable for outdoor use, not afraid of blowing by natural wind, and clean without smoke and odor. With light and flexible, small size, light weight, easy operation, safe and reliable.
- the present invention provides a radiation equipment alarm system based on parameter extraction, which adopts a stepwise operation mode to improve the pertinence of the contrast characteristics of the image; Based on the rough detection of the target contour, the region division strategy of the image is obtained, and on this basis, the target image after the background is stripped is obtained with high accuracy. Based on the results of the infrared detection, the position controller is used to perform the video acquisition equipment. Automatic reset, so as to avoid excessive manual operation. Based on the above-mentioned processing, with the help of the hardware facilities of the circular radiation disc, the smoke recognition and alarm in the vicinity of high-risk household equipment are realized.
- a radiation equipment alarm system based on parameter extraction includes:
- the circular radiation plate comprises a heating element and a reflecting surface.
- the reflecting surface is a circular structure and is used to radiate the heat generated by the heating element.
- the radiation device alarm system based on the parameter extraction further includes:
- On-site data extraction equipment includes an infrared transmitter, an infrared receiver, an ARM11 processor, and an extraction controller.
- the infrared transmitter is located on the video acquisition device and is used to vertically transmit infrared signals downward.
- the infrared receiver is located on the video capture device. Next to the infrared transmitter, it is used to receive the reflected infrared signal.
- the ARM11 processor is connected to the infrared transmitter and the infrared receiver, respectively, and is configured to be based on the emission time and location of the infrared transmitter.
- the receiving time of the infrared receiver determines the real-time vertical position of the video capture device; wherein the extraction controller is connected to the ARM11 processor and is configured to send out when the real-time vertical position deviates from a preset vertical position and exceeds the limit.
- the first extraction control signal is further configured to issue a second extraction control signal when the real-time vertical position deviates from a preset vertical position and does not exceed the limit.
- the radiation device alarm system based on the parameter extraction further includes:
- a video acquisition device that collects video data around the circular radiation disk to obtain a corresponding surrounding acquisition image and output the surrounding acquisition image; an area processing device connected to the video acquisition device and configured to receive all The surrounding acquisition image is used to perform contour extraction on each target in the surrounding acquisition image to obtain each distribution area of each target in the surrounding acquisition image, and the area processing device is further configured to perform the peripheral acquisition image on the surrounding acquisition image.
- the size of the sub-image obtained by uniformly segmenting each distribution area for the surrounding acquisition image is smaller than that of uniformly segmenting the non-distribution area
- the size of the obtained sub-image and uniformly segmenting each distribution area include: the larger the area of the distribution area, the larger the size of the sub-image obtained by segmentation;
- the target image extraction device is connected with the area processing device, For receiving each sub-image of the surrounding collected image, and detecting the sub-image of each sub-image State range, for each sub-image, adjust the threshold value of the corresponding sub-image for peeling the background based on the width of its dynamic range, and also perform the following processing for each sub-image: using the adjusted threshold for the sub-image
- the image is subjected to background stripping to obtain a corresponding target area;
- the target image extraction device is further configured to integrate each target area corresponding to each sub-image to obtain a target image, and output the target image; in the target image extraction device Adjusting the threshold value for stripping the background
- the radiation device alarm system based on parameter extraction: in the object acquisition device, when the ratio value does not exceed the limit, a smoke normal signal is issued.
- the radiation device alarm system based on the parameter extraction further includes:
- a background image processing device is connected to the extraction controller and the video acquisition device, respectively, and is configured to perform background extraction on the surrounding acquisition image when the first extraction control signal is received to obtain a real-time background image, And matching the real-time background image with a preset background image to send a matching failure signal when the degree of matching is less than a preset percentage threshold, and is also used to send a matching success signal when the degree of matching is greater than or equal to a preset percentage threshold, It is also used to stop the background extraction of the surrounding captured images when the second extraction control signal is received, and send a matching success signal.
- the area processing device and the target image extraction device are implemented using FPGA chips of different models.
- the video acquisition device further includes a position controller, which is connected to the background image processing device, and is configured to, upon receiving the matching failure signal, The video capture device resets the vertical position to restore the real-time vertical position of the video capture device to the preset vertical position, and is also used to stop the video capture when the matching success signal is received. Reset of the vertical position by the device.
- FIG. 1 is a schematic plan view of a circular radiation plate applied to a radiation device alarm system based on parameter extraction according to an embodiment of the present invention.
- the fuel radiant heater uses fuel as the energy source, so it consumes oxygen. It is suitable for open spaces such as plant workshops and not suitable for households, but electric radiant heating. Device does not have this problem and can also be applied to the family.
- the present invention sets up a radiation equipment alarm system based on parameter extraction, which can solve the corresponding technical problems.
- FIG. 1 is a schematic plan view of a circular radiation plate applied to a radiation device alarm system based on parameter extraction according to an embodiment of the present invention.
- 1 is a control board
- 2 is a package outer frame
- 3 is a circular radiation plate
- 4 is a mounting hole.
- the circular radiation plate comprises a heating element and a reflecting surface.
- the reflecting surface is a circular structure and is used to radiate the heat generated by the heating element.
- the radiation equipment alarm system based on the parameter extraction further includes:
- On-site data extraction equipment includes an infrared transmitter, an infrared receiver, an ARM11 processor, and an extraction controller.
- the infrared transmitter is located on the video acquisition device and is used to vertically transmit infrared signals downward.
- the infrared receiver is located on the video capture device. Next to the infrared transmitter, it is used to receive the reflected infrared signal.
- the ARM11 processor is connected to the infrared transmitter and the infrared receiver, respectively, and is configured to be based on the emission time of the infrared transmitter and the infrared receiver Receiving time to determine the real-time vertical position of the video capture device;
- the extraction controller is connected to the ARM11 processor, and is configured to issue a first extraction control signal when the real-time vertical position deviates from a preset vertical position and exceeds the limit, and is also used to deviate from the preset when the real-time vertical position deviates from the preset. When the vertical position does not exceed the limit, a second extraction control signal is issued.
- the radiation equipment alarm system based on the parameter extraction further includes:
- a video acquisition device that collects video data around the circular radiation disk to obtain a corresponding surrounding acquisition image, and outputs the surrounding acquisition image
- An area processing device connected to the video acquisition device and configured to receive the surrounding acquisition images and perform contour extraction on each target in the surrounding acquisition images to obtain each distribution area of each target in the surrounding acquisition images
- the area processing device is further configured to block the surrounding collected images to obtain individual sub-images; in the area processing device, for each of the surrounding collected images, uniformly segment each distribution area and The size of the obtained sub-image is smaller than the size of the sub-image obtained by uniformly segmenting the undistributed area, and the uniformly segmentation of each distribution area includes: the larger the area of the distribution area, the size of the sub-image obtained by segmentation Bigger
- the target image extraction device is connected to the area processing device, and is used to receive each sub-image of the surrounding captured image, and detect the dynamic range of each sub-image. For each sub-image, adjust the width based on its dynamic range.
- the threshold size of the corresponding sub-image for peeling the background is also used to perform the following processing for each sub-image: performing background peeling on the sub-image using the adjusted threshold to obtain the corresponding target area; the target image extraction The device is further configured to integrate each target area corresponding to each sub-image to obtain a target image and output the target image; in the target image extraction device, adjust the corresponding sub-image for stripping the background based on the width of its dynamic range
- the threshold size of the threshold includes: the narrower the width of its dynamic range, the smaller the threshold for peeling the background of the adjusted corresponding sub-image;
- a first operating device connected to the target image extraction device and configured to receive the target image, detect the presence of each target in the target image, and use the number of targets existing in the target image as A target statistical quantity, and outputting the target statistical quantity;
- a second operating device connected to the first operating device, for receiving the target statistical quantity, and sending a quantity overflow message when the target statistical quantity is greater than or equal to a preset number threshold, and when the target quantity is less than When the preset number threshold is set, a normal number message is sent;
- a third operation device connected to the first operation device and the target decision device, respectively, for receiving the target image and for performing contrast on the target image when the quantity overflow information is received Lifting processing to obtain a corresponding stepwise operating image, the number of times the third operating device performs a contrast improving processing on the target image is proportional to the target statistical quantity, and the third operating device is receiving all When the quantity of normal information is stopped, stopping the contrast enhancement processing on the target image;
- a state verification device connected to the third operation device and configured to receive the stepwise operation image, obtain the brightness value of each pixel in the stepwise operation image, and set the brightness value to a pixel point that is less than or equal to the smoke brightness threshold
- the number of smoke pixels in the stepwise operation image is determined as the first number
- the number of all pixels in the stepwise operation image is determined as the second number
- the first number is determined Divide by the second number to obtain a proportional value, and when the proportional value exceeds the limit, a smoke alarm signal is issued.
- the radiation equipment alarm system based on the parameter extraction further includes:
- a background image processing device is connected to the extraction controller and the video acquisition device, respectively, and is configured to perform background extraction on the surrounding acquisition image when the first extraction control signal is received to obtain a real-time background image, And matching the real-time background image with a preset background image to send a matching failure signal when the degree of matching is less than a preset percentage threshold, and is also used to send a matching success signal when the degree of matching is greater than or equal to a preset percentage threshold, It is also used to stop the background extraction of the surrounding captured images when the second extraction control signal is received, and send a matching success signal.
- the area processing equipment and the target image extraction equipment are implemented using FPGA chips of different models.
- the video acquisition device further includes a position controller, which is connected to the background image processing device, and is configured to detect the video when the matching failure signal is received.
- the acquisition device resets the vertical position to restore the real-time vertical position of the video acquisition device to the preset vertical position, and is also used to stop the video acquisition device from receiving the matching success signal. Reset in vertical position.
- VHDL is mainly used to describe the structure, behavior, functions and interfaces of digital systems. In addition to containing many statements with hardware characteristics, VHDL's language form, description style, and syntax are very similar to general computer high-level languages.
- the program structure of VHDL is characterized by dividing an engineering design, or design entity (which can be a component, a circuit module, or a system) into external (or visible parts and ports) and internal (or invisible parts) It involves both the internal functions of the entity and the completion of the algorithm. After an external interface is defined for a design entity, other entities can directly call this entity once its internal development is complete. This concept of dividing the design entity into internal and external parts is the basic point of VHDL system design.
- VHDL has a powerful language structure that can describe complex logic control with concise and clear source code. It has a multi-level design description function, layer by layer refinement, and finally can directly generate circuit-level descriptions. VHDL supports the design of synchronous circuits, asynchronous circuits and random circuits, which is unmatched by other hardware description languages. VHDL also supports a variety of design methods, both bottom-up and top-down design; both modular design and hierarchical design.
- the radiation equipment alarm system based on the parameter extraction of the present invention is adopted to solve the technical problem that high-risk household appliances cannot detect field fires in the prior art, and a stepwise operation mode is adopted to improve the pertinence of the contrast characteristics of the image.
- the region division strategy of the image is obtained.
- the target image after the background is stripped is acquired with high accuracy.
- a position controller is used to perform automatic video acquisition equipment. Reset, thereby avoiding excessive manual operations.
- the smoke recognition and alarm in the vicinity of high-risk household equipment are realized, thereby solving the above technical problems.
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Abstract
一种基于参数提取的辐射设备报警系统，包括：圆型辐射盘(3)，包括发热体和反射面组成，反射面为圆型结构，用于将发热体产生的热量辐射出去；状态验证设备，与第三操作设备连接，用于接收逐级操作图像，获取逐级操作图像中的各个像素点的亮度值，将亮度值小于等于烟雾亮度阈值的像素点作为烟雾像素点，确定逐级操作图像中的烟雾像素点的数量以作为第一数量，确定逐级操作图像中的全部像素点的数量作为第二数量，将第一数量除以第二数量以获得比例数值，当比例数值超限时，发出烟雾报警信号。通过本系统，实现了对家用火灾高危设备的现场监控。
Description
本发明涉及家用设备领域，尤其涉及一种基于参数提取的辐射设备报警系统。
辐射型取暖器是一种以红外辐射热的形式取暖、加温和烘烤的取暖装置。辐射式取暖器还适应于户外使用，不怕自然风的吹刮，并清洁无烟尘气味。具有轻便灵活、体积小、重量轻、操作简便、安全可靠等特点。
发明内容
为了解决现有技术中热辐射设备缺乏防火措施的技术问题，本发明提供了一种基于参数提取的辐射设备报警系统，采用逐级操作模式，提高对图像的对比度特征的针对性；在对图像进行目标轮廓的粗略检测的基础上，获取对图像的区域划分策略，在此基础上，对剥离背景后的目标图像进行高精度获取；基于红外检测的结果，采用位置控制器执行视频采集设备的自动复位，从而避免了过多的人工操作，在上述处理的基础上，借助圆型辐射盘的硬件设施，实现对家用高危设备附近的烟雾的识别和报警。
根据本发明的一方面，提供了一种基于参数提取的辐射设备报警系统，所述系统包括：
圆型辐射盘，包括发热体和反射面组成，所述反射面为圆型结构，用于将所述发热体产生的热量辐射出去。
更具体地，在所述基于参数提取的辐射设备报警系统中，还包括：
现场数据提取设备，包括红外线发射器、红外线接收器、ARM11处理器和提取控制器，所述红外线发射器位于所述视频采集设备上，用于垂直向下发射红外线信号，红外线接收器位于所述红外线发射器旁，用于接 收反射回来的红外线信号。
更具体地，在所述基于参数提取的辐射设备报警系统中：所述ARM11处理器分别与所述红外线发射器和所述红外线接收器连接，用于基于所述红外线发射器的发射时间和所述红外线接收器的接收时间确定所述视频采集设备的实时垂直位置；其中，所述提取控制器与所述ARM11处理器连接，用于在所述实时垂直位置偏离预设垂直位置超限时，发出第一提取控制信号，还用于在所述实时垂直位置偏离预设垂直位置未超限时，发出第二提取控制信号。
更具体地，在所述基于参数提取的辐射设备报警系统中，还包括：
视频采集设备，对所述圆型辐射盘的周围进行视频数据采集，以获得对应的周围采集图像，并输出所述周围采集图像；区域处理设备，与所述视频采集设备连接，用于接收所述周围采集图像，对所述周围采集图像中的各个目标进行轮廓提取，以获得各个目标在所述周围采集图像中的各个分布区域，所述区域处理设备还用于对所述周围采集图像进行分块，以获得各个子图像；在所述区域处理设备中，针对所述周围采集图像，对每一个分布区域进行均匀式分割而获得的子图像的尺寸小于对未分布区域进行均匀式分割而获得的子图像的尺寸，以及对每一个分布区域进行均匀式分割包括：分布区域的面积越大，分割而获得的子图像的尺寸越大；目标图像提取设备，与所述区域处理设备连接，用于接收所述周围采集图像的各个子图像，并检测每一个子图像的动态范围，针对每一个子图像，基于其动态范围的宽度大小调整对应子图像的用于剥离背景的阈值大小，还用于针对每一个子图像执行以下处理：采用调整后的阈值对所述子图像进行背景剥离，以获得对应的目标区域；所述目标图像提取设备还用于将各个子图像对应的各个目标区域进行整合以获得目标图像，并输出所述目标图像；在目标图像提取设备中，基于其动态范围的宽度大小调整对应子图像的用于剥离背景的阈值大小包括：其动态范围的宽度越窄，调整的对应子图像的用于剥离背景的阈值越小；第一操作设备，与所述目标图像提取设备连接，用于接收所述目标图像，对所述目标图像中的各个目标的存在情况进行检测，以将所述目标图像中存在的目标的数量作为目标统计数量，并输出所述目标统计数量；第二操作设备，与所述第一操作设备连接，用 于接收所述目标统计数量，并在所述目标统计数量大于等于预设数量阈值时，发出数量溢出信息，以及在所述目标数量小于所述预设数量阈值时，发出数量正常信息；第三操作设备，分别与所述第一操作设备和所述目标决策设备连接，用于接收所述目标图像，还用于在接收到所述数量溢出信息时，执行对所述目标图像的对比度提升处理，以获得对应的逐级操作图像，所述第三操作设备执行对所述目标图像的对比度提升处理的次数与所述目标统计数量成正比，以及所述第三操作设备在接收到所述数量正常信息时，停止对所述目标图像的对比度提升处理；状态验证设备，与所述第三操作设备连接，用于接收所述逐级操作图像，获取所述逐级操作图像中的各个像素点的亮度值，将亮度值小于等于烟雾亮度阈值的像素点作为烟雾像素点，确定所述逐级操作图像中的烟雾像素点的数量以作为第一数量，确定所述逐级操作图像中的全部像素点的数量作为第二数量，将所述第一数量除以第二数量以获得比例数值，当所述比例数值超限时，发出烟雾报警信号。
更具体地，在所述基于参数提取的辐射设备报警系统中：在所述对象获取设备中，当所述比例数值未超限时，发出烟雾正常信号。
更具体地，在所述基于参数提取的辐射设备报警系统中，还包括：
背景图像处理设备，分别与所述提取控制器和所述视频采集设备连接，用于在接收到所述第一提取控制信号时，对所述周围采集图像进行背景提取，以获得实时背景图像，并将所述实时背景图像与预设背景图像进行匹配，以在匹配度小于预设百分比阈值时，发出匹配失败信号，还用于在匹配度大于等于预设百分比阈值时，发出匹配成功信号，以及还用于在接收到所述第二提取控制信号时，停止对所述周围采集图像进行的背景提取，并发出匹配成功信号。
更具体地，在所述基于参数提取的辐射设备报警系统中：所述区域处理设备和所述目标图像提取设备采用不同型号的FPGA芯片来实现。
更具体地，在所述基于参数提取的辐射设备报警系统中：所述视频采集设备还包括位置控制器，与所述背景图像处理设备连接，用于在接收到所述匹配失败信号时，对所述视频采集设备进行垂直位置的复位，以将所述视频采集设备的实时垂直位置还原到所述预设垂直位置，还用于在接收 到所述匹配成功信号时，停止对所述视频采集设备进行的垂直位置的复位。
以下将结合附图对本发明的实施方案进行描述，其中：
图1为根据本发明实施方案示出的基于参数提取的辐射设备报警系统所应用的圆型辐射盘的平面示意图。
下面将参照附图对本发明的基于参数提取的辐射设备报警系统的实施方案进行详细说明。
以能源的不同，主要分为燃油辐射取暖器和电辐射取暖器两种，燃油辐射取暖器以燃油为能量来源，所以会耗氧，适合厂房车间等开阔空间，不适合家庭，但电辐射取暖器就不存在这个问题，也可以适用于家庭。
为了克服上述不足，本发明搭建了一种基于参数提取的辐射设备报警系统，能够解决相应的技术问题。
图1为根据本发明实施方案示出的基于参数提取的辐射设备报警系统所应用的圆型辐射盘的平面示意图。其中，1为控制板，2为封装外框，3为圆型辐射盘，4为安装孔。
根据本发明实施方案示出的基于参数提取的辐射设备报警系统包括：
圆型辐射盘，包括发热体和反射面组成，所述反射面为圆型结构，用于将所述发热体产生的热量辐射出去。
接着，继续对本发明的基于参数提取的辐射设备报警系统的具体结构进行进一步的说明。
在所述基于参数提取的辐射设备报警系统中，还包括：
现场数据提取设备，包括红外线发射器、红外线接收器、ARM11处理器和提取控制器，所述红外线发射器位于所述视频采集设备上，用于垂直向下发射红外线信号，红外线接收器位于所述红外线发射器旁，用于接收反射回来的红外线信号。
在所述基于参数提取的辐射设备报警系统中：所述ARM11处理器分 别与所述红外线发射器和所述红外线接收器连接，用于基于所述红外线发射器的发射时间和所述红外线接收器的接收时间确定所述视频采集设备的实时垂直位置；
其中，所述提取控制器与所述ARM11处理器连接，用于在所述实时垂直位置偏离预设垂直位置超限时，发出第一提取控制信号，还用于在所述实时垂直位置偏离预设垂直位置未超限时，发出第二提取控制信号。
在所述基于参数提取的辐射设备报警系统中，还包括：
视频采集设备，对所述圆型辐射盘的周围进行视频数据采集，以获得对应的周围采集图像，并输出所述周围采集图像；
区域处理设备，与所述视频采集设备连接，用于接收所述周围采集图像，对所述周围采集图像中的各个目标进行轮廓提取，以获得各个目标在所述周围采集图像中的各个分布区域，所述区域处理设备还用于对所述周围采集图像进行分块，以获得各个子图像；在所述区域处理设备中，针对所述周围采集图像，对每一个分布区域进行均匀式分割而获得的子图像的尺寸小于对未分布区域进行均匀式分割而获得的子图像的尺寸，以及对每一个分布区域进行均匀式分割包括：分布区域的面积越大，分割而获得的子图像的尺寸越大；
目标图像提取设备，与所述区域处理设备连接，用于接收所述周围采集图像的各个子图像，并检测每一个子图像的动态范围，针对每一个子图像，基于其动态范围的宽度大小调整对应子图像的用于剥离背景的阈值大小，还用于针对每一个子图像执行以下处理：采用调整后的阈值对所述子图像进行背景剥离，以获得对应的目标区域；所述目标图像提取设备还用于将各个子图像对应的各个目标区域进行整合以获得目标图像，并输出所述目标图像；在目标图像提取设备中，基于其动态范围的宽度大小调整对应子图像的用于剥离背景的阈值大小包括：其动态范围的宽度越窄，调整的对应子图像的用于剥离背景的阈值越小；
第一操作设备，与所述目标图像提取设备连接，用于接收所述目标图像，对所述目标图像中的各个目标的存在情况进行检测，以将所述目标图像中存在的目标的数量作为目标统计数量，并输出所述目标统计数量；
第二操作设备，与所述第一操作设备连接，用于接收所述目标统计数 量，并在所述目标统计数量大于等于预设数量阈值时，发出数量溢出信息，以及在所述目标数量小于所述预设数量阈值时，发出数量正常信息；
第三操作设备，分别与所述第一操作设备和所述目标决策设备连接，用于接收所述目标图像，还用于在接收到所述数量溢出信息时，执行对所述目标图像的对比度提升处理，以获得对应的逐级操作图像，所述第三操作设备执行对所述目标图像的对比度提升处理的次数与所述目标统计数量成正比，以及所述第三操作设备在接收到所述数量正常信息时，停止对所述目标图像的对比度提升处理；
状态验证设备，与所述第三操作设备连接，用于接收所述逐级操作图像，获取所述逐级操作图像中的各个像素点的亮度值，将亮度值小于等于烟雾亮度阈值的像素点作为烟雾像素点，确定所述逐级操作图像中的烟雾像素点的数量以作为第一数量，确定所述逐级操作图像中的全部像素点的数量作为第二数量，将所述第一数量除以第二数量以获得比例数值，当所述比例数值超限时，发出烟雾报警信号。
在所述基于参数提取的辐射设备报警系统中：在所述对象获取设备中，当所述比例数值未超限时，发出烟雾正常信号。
在所述基于参数提取的辐射设备报警系统中，还包括：
背景图像处理设备，分别与所述提取控制器和所述视频采集设备连接，用于在接收到所述第一提取控制信号时，对所述周围采集图像进行背景提取，以获得实时背景图像，并将所述实时背景图像与预设背景图像进行匹配，以在匹配度小于预设百分比阈值时，发出匹配失败信号，还用于在匹配度大于等于预设百分比阈值时，发出匹配成功信号，以及还用于在接收到所述第二提取控制信号时，停止对所述周围采集图像进行的背景提取，并发出匹配成功信号。
在所述基于参数提取的辐射设备报警系统中：所述区域处理设备和所述目标图像提取设备采用不同型号的FPGA芯片来实现。
以及在所述基于参数提取的辐射设备报警系统中：所述视频采集设备还包括位置控制器，与所述背景图像处理设备连接，用于在接收到所述匹配失败信号时，对所述视频采集设备进行垂直位置的复位，以将所述视频采集设备的实时垂直位置还原到所述预设垂直位置，还用于在接收到所述 匹配成功信号时，停止对所述视频采集设备进行的垂直位置的复位。
另外，所述区域处理设备和所述目标图像提取设备采用不同型号的FPGA芯片来实现时，都采用VDHL语言进行设计。VHDL主要用于描述数字系统的结构，行为，功能和接口。除了含有许多具有硬件特征的语句外，VHDL的语言形式、描述风格以及语法是十分类似于一般的计算机高级语言。VHDL的程序结构特点是将一项工程设计，或称设计实体(可以是一个元件，一个电路模块或一个系统)分成外部(或称可视部分,及端口)和内部(或称不可视部分)，既涉及实体的内部功能和算法完成部分。在对一个设计实体定义了外部界面后，一旦其内部开发完成后，其他的设计就可以直接调用这个实体。这种将设计实体分成内外部分的概念是VHDL系统设计的基本点。
VHDL具有功能强大的语言结构，可以用简洁明确的源代码来描述复杂的逻辑控制。它具有多层次的设计描述功能，层层细化，最后可直接生成电路级描述。VHDL支持同步电路、异步电路和随机电路的设计，这是其他硬件描述语言所不能比拟的。VHDL还支持各种设计方法，既支持自底向上的设计，又支持自顶向下的设计；既支持模块化设计，又支持层次化设计。
采用本发明的基于参数提取的辐射设备报警系统，针对现有技术中家用高危设备无法检测现场火灾情况的技术问题，采用逐级操作模式，提高对图像的对比度特征的针对性；在对图像进行目标轮廓的粗略检测的基础上，获取对图像的区域划分策略，在此基础上，对剥离背景后的目标图像进行高精度获取；基于红外检测的结果，采用位置控制器执行视频采集设备的自动复位，从而避免了过多的人工操作，在上述处理的基础上，借助圆型辐射盘的硬件设施，实现对家用高危设备附近的烟雾的识别和报警，从而解决了上述技术问题。
可以理解的是，虽然本发明已以较佳实施例披露如上，然而上述实施例并非用以限定本发明。对于任何熟悉本领域的技术人员而言，在不脱离本发明技术方案范围情况下，都可利用上述揭示的技术内容对本发明技术方案做出许多可能的变动和修饰，或修改为等同变化的等效实施例。因此，凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例 所做的任何简单修改、等同变化及修饰，均仍属于本发明技术方案保护的范围内。
Claims (8)
- 一种基于参数提取的辐射设备报警系统，包括：圆型辐射盘，包括发热体和反射面组成，所述反射面为圆型结构，用于将所述发热体产生的热量辐射出去。
- 如权利要求1所述的基于参数提取的辐射设备报警系统，其特征在于，所述系统还包括：现场数据提取设备，包括红外线发射器、红外线接收器、ARM11处理器和提取控制器，所述红外线发射器位于所述视频采集设备上，用于垂直向下发射红外线信号，红外线接收器位于所述红外线发射器旁，用于接收反射回来的红外线信号。
- 如权利要求2所述的基于参数提取的辐射设备报警系统，其特征在于：所述ARM11处理器分别与所述红外线发射器和所述红外线接收器连接，用于基于所述红外线发射器的发射时间和所述红外线接收器的接收时间确定所述视频采集设备的实时垂直位置；其中，所述提取控制器与所述ARM11处理器连接，用于在所述实时垂直位置偏离预设垂直位置超限时，发出第一提取控制信号，还用于在所述实时垂直位置偏离预设垂直位置未超限时，发出第二提取控制信号。
- 如权利要求3所述的基于参数提取的辐射设备报警系统，其特征在于，所述系统还包括：视频采集设备，对所述圆型辐射盘的周围进行视频数据采集，以获得对应的周围采集图像，并输出所述周围采集图像；区域处理设备，与所述视频采集设备连接，用于接收所述周围采集图像，对所述周围采集图像中的各个目标进行轮廓提取，以获得各个目标在所述周围采集图像中的各个分布区域，所述区域处理设备还用于对所述周围采集图像进行分块，以获得各个子图像；在所述区域处理设备中，针对 所述周围采集图像，对每一个分布区域进行均匀式分割而获得的子图像的尺寸小于对未分布区域进行均匀式分割而获得的子图像的尺寸，以及对每一个分布区域进行均匀式分割包括：分布区域的面积越大，分割而获得的子图像的尺寸越大；目标图像提取设备，与所述区域处理设备连接，用于接收所述周围采集图像的各个子图像，并检测每一个子图像的动态范围，针对每一个子图像，基于其动态范围的宽度大小调整对应子图像的用于剥离背景的阈值大小，还用于针对每一个子图像执行以下处理：采用调整后的阈值对所述子图像进行背景剥离，以获得对应的目标区域；所述目标图像提取设备还用于将各个子图像对应的各个目标区域进行整合以获得目标图像，并输出所述目标图像；在目标图像提取设备中，基于其动态范围的宽度大小调整对应子图像的用于剥离背景的阈值大小包括：其动态范围的宽度越窄，调整的对应子图像的用于剥离背景的阈值越小；第一操作设备，与所述目标图像提取设备连接，用于接收所述目标图像，对所述目标图像中的各个目标的存在情况进行检测，以将所述目标图像中存在的目标的数量作为目标统计数量，并输出所述目标统计数量；第二操作设备，与所述第一操作设备连接，用于接收所述目标统计数量，并在所述目标统计数量大于等于预设数量阈值时，发出数量溢出信息，以及在所述目标数量小于所述预设数量阈值时，发出数量正常信息；第三操作设备，分别与所述第一操作设备和所述目标决策设备连接，用于接收所述目标图像，还用于在接收到所述数量溢出信息时，执行对所述目标图像的对比度提升处理，以获得对应的逐级操作图像，所述第三操作设备执行对所述目标图像的对比度提升处理的次数与所述目标统计数量成正比，以及所述第三操作设备在接收到所述数量正常信息时，停止对所述目标图像的对比度提升处理；状态验证设备，与所述第三操作设备连接，用于接收所述逐级操作图像，获取所述逐级操作图像中的各个像素点的亮度值，将亮度值小于等于烟雾亮度阈值的像素点作为烟雾像素点，确定所述逐级操作图像中的烟雾像素点的数量以作为第一数量，确定所述逐级操作图像中的全部像素点的数量作为第二数量，将所述第一数量除以第二数量以获得比例数值，当所 述比例数值超限时，发出烟雾报警信号。
- 如权利要求4所述的基于参数提取的辐射设备报警系统，其特征在于：在所述对象获取设备中，当所述比例数值未超限时，发出烟雾正常信号。
- 如权利要求5所述的基于参数提取的辐射设备报警系统，其特征在于，所述系统还包括：背景图像处理设备，分别与所述提取控制器和所述视频采集设备连接，用于在接收到所述第一提取控制信号时，对所述周围采集图像进行背景提取，以获得实时背景图像，并将所述实时背景图像与预设背景图像进行匹配，以在匹配度小于预设百分比阈值时，发出匹配失败信号，还用于在匹配度大于等于预设百分比阈值时，发出匹配成功信号，以及还用于在接收到所述第二提取控制信号时，停止对所述周围采集图像进行的背景提取，并发出匹配成功信号。
- 如权利要求6所述的基于参数提取的辐射设备报警系统，其特征在于：所述区域处理设备和所述目标图像提取设备采用不同型号的FPGA芯片来实现。
- 如权利要求7所述的基于参数提取的辐射设备报警系统，其特征在于：所述视频采集设备还包括位置控制器，与所述背景图像处理设备连接，用于在接收到所述匹配失败信号时，对所述视频采集设备进行垂直位置的复位，以将所述视频采集设备的实时垂直位置还原到所述预设垂直位置，还用于在接收到所述匹配成功信号时，停止对所述视频采集设备进行的垂直位置的复位。
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| CN107886673A (zh) * | 2017-11-11 | 2018-04-06 | 陈值英 | 一体式建筑用火灾探测报警消防综合管理系统 |
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