CN211977991U - Handcart-type cubical switchboard switch state monitoring devices - Google Patents
Handcart-type cubical switchboard switch state monitoring devices Download PDFInfo
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- CN211977991U CN211977991U CN202020945878.3U CN202020945878U CN211977991U CN 211977991 U CN211977991 U CN 211977991U CN 202020945878 U CN202020945878 U CN 202020945878U CN 211977991 U CN211977991 U CN 211977991U
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Abstract
The utility model discloses a handcart-type cubical switchboard switch state monitoring devices, the device comprise white light lighting module, visible light imaging module, temperature measurement infrared thermal imaging module, network communication module and control panel. During specific work, the control board sends an instruction to the white light illumination module when monitoring is needed, white light illumination is started, the visible light imaging module acquires a color image of a monitoring area, the opening and closing state of a disconnecting link in a switch chamber of the switch cabinet is identified based on an image mode, the temperature measurement infrared imaging module acquires an infrared imaging image and online temperature monitoring data of the monitoring area, the opening and closing state of the disconnecting link is rechecked, and the network communication module outputs the rechecked opening and closing state and the online temperature monitoring data of the disconnecting link to realize the monitoring of the state of the disconnecting link. The utility model provides a handcart-type cubical switchboard switch state monitoring devices can provide real-time video, owing to adopt visible light camera operating personnel can see the switching process and the state of switch and the indoor condition of handcart of cubical switchboard circuit breaker.
Description
Technical Field
The utility model belongs to the technical field of the quiet or dynamic balance's of machine or structural component test among the power supply system, concretely relates to handcart-type cubical switchboard switch state monitoring device.
Background
The handcart type switch cabinet is common electrical equipment, an external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is set according to actual requirements. The device is mainly used for opening, closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of an electric power system, has very wide application, and is mainly used for various different occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textiles, industrial and mining enterprises, residential districts, high-rise buildings and the like.
As is well known, the requirement of the power industry on safety is very high, and although the five-prevention measure of the switch cabinet is regulated in the industry, the safety of the handcart type switch cabinet in use is ensured from multiple aspects such as the operation step requirements of the mechanical structure, protection, power transmission, power failure (maintenance) and the like of equipment. However, once the operator cannot see the disconnecting link in the handcart room of the switch cabinet, the disconnecting link is not opened or closed in place due to mechanical faults or misoperation of personnel, and the temperature of the disconnecting link is abnormally increased during the power-on operation, so that power accidents are caused. Therefore, there is a need for a device for identifying and detecting a switch of a handcart type switch cabinet and a working method thereof to solve the above problems.
Among the prior art, to handcart-type cubical switchboard running state detection device, utility model with application number CN201821051730.4 provides set up six sensors and two-stage data processing module in handcart-type cubical switchboard, realizes the condition datamation with the cubical switchboard equipment operation, conveniently founds bigger monitored control system, but this kind of scheme has the shortcoming, because handcart-type cubical switchboard's particularity, when the operation handcart pushes away or releases, operating personnel can not see circuit breaker switch walking process. In addition, the scheme only realizes local state monitoring and display, and cannot realize remote online monitoring.
SUMMERY OF THE UTILITY MODEL
The utility model provides a handcart-type cubical switchboard switch discernment monitoring devices to above-mentioned problem for the indoor circuit breaker switch monitoring of handcart-type cubical switchboard handcart realizes that the switching process is visual, and the switch state is from discerning, switch circular telegram operating temperature on-line monitoring. The infrared thermal imaging temperature measurement system comprises an illumination module, a visible light imaging module, an infrared thermal imaging temperature measurement module and a control module. And starting white light illumination, acquiring visible light image video, infrared thermal imaging video and temperature data, and identifying the opening and closing state of the disconnecting link based on the image.
In order to achieve the above object, the utility model provides a technical scheme is a handcart-type cubical switchboard switch state monitoring devices, and the device comprises white light lighting module, visible light imaging module, temperature measurement infrared thermal imaging module, network communication module and control panel. During specific work, the control board sends an instruction to the white light illumination module when monitoring is needed, white light illumination is started, the visible light imaging module acquires a color image of a monitoring area, the opening and closing state of a disconnecting link in a switch chamber of the switch cabinet is identified based on an image mode, the temperature measurement infrared imaging module acquires an infrared imaging image and online temperature monitoring data of the monitoring area, the opening and closing state of the disconnecting link is rechecked, and the network communication module outputs the rechecked opening and closing state and the online temperature monitoring data of the disconnecting link to realize the monitoring of the state of the disconnecting link.
As one of the features of the utility model, the white light illumination module can provide local initiative white light filling, and the indoor no light environment of adaptation switch realizes the visible light formation of image.
The visible light imaging module can collect RGB color image original data of the knife switch in the switch chamber and then transmit the RGB color image original data to the control panel.
The control board acquires RBG color image original data of the disconnecting link, acquires image data after image signal processing, and judges the opening and closing state of the disconnecting link after picture preprocessing, disconnecting link region segmentation, disconnecting link positioning and disconnecting link state analysis.
The control panel can also simultaneously acquire infrared imaging images and temperature data of the monitoring area.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1, the utility model provides a handcart-type cubical switchboard switch state monitoring devices can provide real-time video, owing to adopt visible light camera operating personnel can see the switching process and the state of switch and the indoor condition of handcart of cubical switchboard circuit breaker.
2, this device is from taking the visible light filling, the indoor no light environment of adaptable handcart to judge the circuit breaker switch state of opening and shutting based on video image analysis.
3, this device still rechecks the state of opening and shutting of circuit breaker switch based on infrared thermal imaging temperature measurement, provides online switch real-time temperature monitoring simultaneously, ensures that handcart-type cubical switchboard circuit breaker switch normal operating.
Drawings
Fig. 1 is a system block diagram of a handcart type switch cabinet disconnecting link state monitoring device;
FIG. 2 is a hardware schematic block diagram of an embodiment of the present invention;
FIG. 3 is a data processing flow diagram;
fig. 4 is a flow chart of knife switch state identification based on images.
Detailed Description
The embodiments of the present invention will now be further described with reference to the accompanying drawings.
In the switching operation process of the handcart indoor circuit breaker knife switch of the handcart type switch cabinet, an operator cannot see the switching process of the knife switch and the state of the knife switch after switching; the opening and closing state of the knife switch can be judged only by methods such as mechanical clamping and the like. A handcart type switch cabinet disconnecting link state monitoring device solves the problems of visualization of a switching operation process, self-recognition of a disconnecting link state and fault monitoring based on online real-time temperature after switching-on and switching-on of a disconnecting link.
Fig. 1 is a system block diagram of a handcart type switch cabinet disconnecting link state monitoring device. A handcart type switch cabinet disconnecting link state monitoring device comprises a white light illumination module, a visible light imaging module, a temperature measurement infrared thermal imaging module, a network communication module and a control panel. The control panel starts white light illumination, obtains a color image from the visible light imaging module, and identifies the opening and closing state of a disconnecting link in a switch chamber of the switch cabinet based on an image mode; acquiring an infrared imaging image and temperature data from the temperature measurement infrared imaging module, rechecking the closing state of the disconnecting link, and simultaneously providing online temperature monitoring data; and the state of the disconnecting link and the online temperature measurement data are output through the network communication module, so that the monitoring of the state of the disconnecting link is realized.
The white light illumination module provides local active white light supplementary lighting, adapts to a switch indoor dark environment and realizes visible light imaging. And the visible light imaging module is used for collecting RGB color image data of the knife switch in the switch chamber and transmitting the RGB color image data to the control panel. The temperature measurement infrared thermal imaging module adopts a passive infrared imaging temperature measurement technology to provide infrared thermal imaging images and temperature data. The control panel is used for acquiring original data of a disconnecting link RBG color image, processing the data by an ISP (image signal processing) to acquire image data, and judging the opening and closing state of the disconnecting link after picture preprocessing, disconnecting link area segmentation, disconnecting link positioning and disconnecting link state analysis; simultaneously, an infrared thermographic image and temperature data are acquired.
Fig. 2 is a hardware schematic block diagram of an embodiment of the device for monitoring the state of the disconnecting link of the handcart-type switch cabinet. The lighting module provides white light supplementary lighting, the visible light imaging module provides a color image, the infrared thermal imaging module provides an infrared thermal imaging image and temperature data, the control module performs switch state identification after acquiring the color image and the infrared thermal imaging image, and a switch state identification result and online real-time temperature data are output through the network module.
The lighting module drives the white light LED by the constant current driving circuit and adjusts the white light lighting brightness by controlling the PWM signal. Visible light is focused to the image sensor from the lens, interference waveband light rays are filtered out through the optical filter in the middle, and RGB original image data are transmitted to the control module through the MIPI bus. The infrared thermal imaging module is used for monitoring infrared light emitted by an object (such as a disconnecting link), focusing the infrared light to the infrared detector through the lens, and transmitting infrared thermal imaging image data to the control module through the BT.1120 video parallel bus interface in cooperation with an ADC (analog-to-digital conversion) and a scanning reading circuit. The control module is provided with a NAND memory, an SRAM static memory, a DRAM dynamic memory and the like on a board to provide a hardware environment required by program operation; the system comprises an image processing unit, a video graphic unit, an ISP (Internet service provider) processing unit, a neural network acceleration engine, a video coding and decoding unit and the like, which are used for providing image and video algorithm related processing; data is transmitted over a gigabit network.
Fig. 3 is a data processing flow of the handcart type switch cabinet disconnecting link state monitoring device. After receiving a disconnecting link state identification command, the handcart type switch cabinet disconnecting link state monitoring device starts local white light illumination to obtain visible light image data, and then identifies the disconnecting link state based on the image data; if the operation is closing, acquiring infrared thermal imaging data to judge the working temperature of the disconnecting link; if the working temperature of the disconnecting link is normal, judging that the switching-on of the disconnecting link is normal and outputting a result, otherwise, judging that the switching-on of the disconnecting link is abnormal and outputting the result; and if the operation is not the closing operation, outputting the state of the disconnecting link judged based on the image recognition and outputting the result. Meanwhile, the handcart switch cabinet disconnecting link state monitoring device acquires infrared thermal imaging images and temperature data, monitors the disconnecting link temperature and outputs on-line monitoring temperature data.
Fig. 4 is a flowchart of the identification of the handcart-type switch cabinet disconnecting link state monitoring device based on the image disconnecting link state, which comprises the following steps:
firstly, acquiring a picture and preprocessing the picture. Firstly, acquiring a frame of image in a color video for detection; processing frame images and cutting edges; and carrying out gray level processing on the cut picture, and converting the picture into a gray level picture.
And secondly, dividing a disconnecting link area. And (4) binarizing the image by using characteristics such as gray scale, color and the like, and segmenting the knife switch area from the image for subsequent analysis.
And thirdly, positioning the knife switch. Separating the background before the image; and constructing a graph model by taking pixel points as nodes in the separated foreground region, integrating prior knowledge of the color, the shape and the like of the knife gate arm in the definition of the edge of the graph, segmenting the image by utilizing a maximum flow minimum cut algorithm of the graph, and determining the region of the knife gate arm.
Fourthly, analyzing the state of the knife switch. After the position of the disconnecting link is determined, the prior knowledge of color, shape and the like is utilized to search the disconnecting link arm at the relevant position of the disconnecting link, and the opening and closing state of the disconnecting link is determined according to the relationship between the positioned disconnecting link arm and the disconnecting link.
The utility model provides a handcart-type cubical switchboard switch state monitoring device from taking white light filling visible light, the camera can provide the visible light image video, and the infrared thermal imaging of temperature measurement type provides infrared thermal imaging image and temperature data, consequently can judge the switch state of opening and shutting based on visible light image recognition, and the switch state of closing is reevaluated based on infrared thermal imaging temperature measurement data. And a visible light color video can be provided, so that the visualization of the switching process is realized. The device also provides online temperature measurement data, and whether the fault occurs after the closing operation of the disconnecting link is monitored for 24 hours.
It should be noted that the above-mentioned embodiments provided by the present invention are only illustrative, and do not have the function of limiting the scope of the specific implementation of the present invention. The scope of the present invention is intended to include modifications or alternatives that would be apparent to those of ordinary skill in the art.
Claims (5)
1. The utility model provides a handcart-type cubical switchboard switch state monitoring devices, a serial communication port, by white light lighting module, visible light imaging module, the infrared thermal imaging module of temperature measurement, network communication module and control panel are constituteed, the control panel sends the instruction to white light lighting module when needing to monitor, turn on the white light illumination, visible light imaging module acquires the color image in monitoring area, the state of opening and shutting of the switch that is located the cubical switchboard is based on image mode discernment, temperature measurement infrared imaging module acquires monitoring area's infrared imaging image and on-line temperature monitoring data, recheck the switch state of opening and shutting, the switch state of opening and shutting and on-line temperature monitoring data after the network communication module output rechecks, realize switch state monitoring.
2. The handcart type switch cabinet disconnecting link state monitoring device according to claim 1, wherein the white light illumination module provides local active white light supplementary lighting, adapts to a switch room dark environment, and realizes visible light imaging.
3. The handcart type switch cabinet disconnecting link state monitoring device according to claim 1, wherein the visible light imaging module collects RGB color image raw data of the disconnecting link in the switch room and transmits the RGB color image raw data to the control board.
4. The device for monitoring the state of the disconnecting link of the handcart type switch cabinet according to claim 3, wherein the control board acquires RBG color image raw data of the disconnecting link, acquires image data after image signal processing, and judges the switching state of the disconnecting link after image preprocessing, disconnecting link area segmentation, disconnecting link positioning and disconnecting link state analysis.
5. The handcart switch cabinet disconnecting link state monitoring device of claim 3, wherein the control board simultaneously acquires infrared imaging images and temperature data.
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| CN202020945878.3U CN211977991U (en) | 2020-05-28 | 2020-05-28 | Handcart-type cubical switchboard switch state monitoring devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111521222A (en) * | 2020-05-28 | 2020-08-11 | 南京杰迈视讯科技有限公司 | Handcart-type cubical switchboard switch state monitoring devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521222A (en) * | 2020-05-28 | 2020-08-11 | 南京杰迈视讯科技有限公司 | Handcart-type cubical switchboard switch state monitoring devices |
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