CN211373839U - Monitoring device for heating temperature of power equipment - Google Patents
Monitoring device for heating temperature of power equipment Download PDFInfo
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- CN211373839U CN211373839U CN202020218939.6U CN202020218939U CN211373839U CN 211373839 U CN211373839 U CN 211373839U CN 202020218939 U CN202020218939 U CN 202020218939U CN 211373839 U CN211373839 U CN 211373839U
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Abstract
The application discloses monitoring devices of power equipment temperature that generates heat, mutually support through infrared imager, image processing module, temperature calculation module, reputation judgement module and alarm, realize automatic calculation, difference in temperature discernment and the high temperature warning to power equipment temperature, can greatly improve work efficiency, simultaneously, also avoided because of the untimely problem of the unusual report that generates heat that artifical difference caused. The monitoring device for the heating temperature of the power equipment can accurately and effectively find abnormal heating of the power equipment, so that safe operation of the power equipment is ensured.
Description
Technical Field
The application relates to the technical field of power equipment detection, in particular to a monitoring device for the heating temperature of power equipment.
Background
The power equipment has an electric energy transmission function, and simultaneously, a heating phenomenon can be formed due to the passing of current. For example, equipment such as a circuit breaker, a transformer, a disconnector, and each terminal box is damaged due to increased heat generation caused by an increase in load or deterioration of the equipment. Therefore, the monitoring of the heating temperature of the power equipment is of great significance.
The existing method for detecting the heating temperature of the electric power equipment comprises the steps of collecting image information of the electric power equipment by using an infrared thermometer, copying the collected image information to a computer by a worker, manually checking the temperature of each point on the computer by using special infrared image analysis software, manually searching a reference point and a heating point, and calculating whether the heating abnormal condition meets the operation requirement according to enterprise related standards. However, in the process of monitoring the heating temperature of the power equipment by using the method, the workload of workers is large, the steps are complicated, the time consumption is long, and the problems that the abnormal heating condition cannot be timely found due to personnel negligence and insufficient skill level exist, so that the abnormal heating of the power equipment cannot be conveniently found by operation and maintenance personnel in time, and the safe operation of the power equipment is not facilitated.
SUMMERY OF THE UTILITY MODEL
The application provides a monitoring devices of power equipment temperature that generates heat to solve and to adopt infrared radiation thermometer and infrared image analysis software monitoring power equipment temperature process that generates heat now, staff's work load is big, the step is loaded down with trivial details, it is consuming time longer, and there is personnel negligence and technical ability level not enough and can not in time discover the abnormal conditions that generate heat, be not convenient for fortune dimension personnel in time discover that power equipment's abnormity generates heat, thereby be unfavorable for power equipment's safe operation's problem.
The application provides a monitoring device for heating temperature of electrical equipment, which is characterized by comprising an infrared imager, an image processing module, a temperature calculation module, an acousto-optic discrimination module and an alarm which are sequentially connected, wherein,
the infrared imager is used for acquiring an initial infrared image of the power equipment;
the image processing module is used for correcting the initial infrared image by adopting a concentric circle template and simultaneously recovering image pixels by adopting a bilinear interpolation algorithm to obtain a calibrated infrared image;
the temperature calculation module is used for analyzing the pixel value of each pixel point on the calibration infrared image and calculating the actual temperature of each pixel point through a mapping function;
the acousto-optic judging module is used for judging whether the actual temperature exceeds a preset single-point temperature upper limit value or a temperature difference alarm value or not, and sending an alarm instruction if the actual temperature exceeds the preset single-point temperature upper limit value or the temperature difference alarm value;
the alarm is used for receiving the alarm instruction and sending an alarm signal according to the alarm instruction.
Optionally, the monitoring device for the heating temperature of the electrical equipment further includes a data storage connected to the temperature calculation module and the acousto-optic discrimination module, where the data storage is used for performing real-time data exchange with the temperature calculation module and the acousto-optic discrimination module, and storing the received data.
Optionally, the monitoring device for the heating temperature of the electrical equipment further comprises a preset value module connected with the acousto-optic discrimination module, and the preset value module is used for presetting a single-point temperature upper limit value and a temperature difference alarm value.
Optionally, the alarm comprises an audible and visual alarm.
The application provides a monitoring devices of power equipment temperature that generates heat, through mutually supporting of infrared imager, image processing module, temperature calculation module, reputation judgement module and alarm, realize automatic calculation, difference in temperature discernment and the high temperature warning to the power equipment temperature, can greatly improve work efficiency, simultaneously, also avoided because of the untimely problem of the unusual report that generates heat that artifical difference caused. The monitoring device for the heating temperature of the power equipment can accurately and effectively find abnormal heating of the power equipment, so that safe operation of the power equipment is ensured.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a device for monitoring a heating temperature of an electrical device according to the present application.
The reference numerals in fig. 1 denote: the system comprises an infrared imager 1, an image processing module 2, a temperature calculation module 3, a sound and light discrimination module 4, an alarm 5, a data memory 6 and a preset value module 7.
Detailed Description
The application provides a monitoring devices of power equipment temperature that generates heat for detect power equipment's the temperature that generates heat, thereby be convenient for fortune dimension personnel in time discover that power equipment's abnormity generates heat, and then ensure power equipment's safe operation.
Fig. 1 is a schematic structural diagram of a device for monitoring a heating temperature of an electrical device according to the present application, and as shown in fig. 1, the device for monitoring a heating temperature of an electrical device includes an infrared imager 1, an image processing module 2, a temperature calculating module 3, an acousto-optic discrimination module 4, and an alarm 5, which are connected in sequence. The infrared imager 1 is used for acquiring an initial infrared image of the power equipment.
The image processing module 2 is configured to correct the initial infrared image by using a concentric circle template, and perform image pixel recovery by using a bilinear interpolation algorithm to obtain a calibrated infrared image. In this example, the image processing module 2 corrects the infrared image with severe barrel distortion by using the concentric circle template, and performs image pixel recovery by using the bilinear interpolation algorithm, so that the obtained infrared image is more real and clear, thereby improving the accuracy of the subsequent temperature analysis data.
The temperature calculation module 3 is configured to analyze a pixel value of each pixel point on the calibration infrared image, and calculate an actual temperature of each pixel point through a mapping function. The acousto-optic judging module 4 is used for judging whether the actual temperature exceeds a preset single-point temperature upper limit value or a temperature difference alarm value, and if the actual temperature exceeds the preset single-point temperature upper limit value or the temperature difference alarm value, an alarm instruction is sent. And the alarm 5 is used for receiving the alarm instruction and sending an alarm signal according to the alarm instruction. At present, the implementation devices of the alarm are various, and those skilled in the art can select a suitable alarm according to actual needs, such as an audible and visual alarm, an alarm bell, and the like.
In order to record various data in the detection process, in the application, the monitoring device for the heating temperature of the electrical equipment further comprises a data storage 6 connected with the temperature calculation module 3 and the acousto-optic discrimination module 4, wherein the data storage 6 is used for performing real-time data exchange with the temperature calculation module 3 and the acousto-optic discrimination module 4 and storing the received data.
For different power equipment, the corresponding single-point temperature upper limit value and the temperature difference alarm value are different, and in order to enable the monitoring device for the heating temperature of the power equipment to have higher applicability, the monitoring device for the heating temperature of the power equipment further comprises a preset value module 7 connected with the acousto-optic discrimination module 4, and the preset value module 7 is used for presetting the single-point temperature upper limit value and the temperature difference alarm value. In practical use, a person skilled in the art can set a corresponding single-point temperature upper limit value and a temperature difference alarm value according to the power equipment actually detected.
In order to make the technical solution better understood by those skilled in the art, the following description specifically describes the operation of the monitoring device for the heating temperature of the electrical equipment.
When monitoring the heating temperature of a certain electric power device, a worker sets the upper limit value of the single-point temperature or the temperature difference alarm value of the electric power device through the preset value module according to the temperature of the electric power device in the actual working process. In the actual detection process, the infrared imager collects an initial infrared image of the power equipment and sends the collected initial infrared image to the image processing module. The image processing module adopts a concentric circle template to correct the initial infrared image, and simultaneously adopts a bilinear interpolation algorithm to recover the image pixels to obtain a calibrated infrared image. The temperature calculation module analyzes and calibrates the pixel value of each pixel point on the infrared image, and calculates the actual temperature of each pixel point through a mapping function. The data storage stores the calculated actual temperature of each pixel point, meanwhile, the acousto-optic judgment module judges whether the actual temperature exceeds a preset single-point temperature upper limit value or a temperature difference alarm value, and if the actual temperature exceeds the preset single-point temperature upper limit value or the temperature difference alarm value, an alarm instruction is sent. And the alarm sends out an alarm signal according to the alarm instruction.
The application provides a monitoring devices of power equipment temperature that generates heat, through mutually supporting of infrared imager, image processing module, temperature calculation module, reputation judgement module and alarm, realize automatic calculation, difference in temperature discernment and the high temperature warning to the power equipment temperature, can greatly improve work efficiency, simultaneously, also avoided because of the untimely problem of the unusual report that generates heat that artifical difference caused. The monitoring device for the heating temperature of the power equipment can accurately and effectively find abnormal heating of the power equipment, so that safe operation of the power equipment is ensured.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (4)
1. A monitoring device for the heating temperature of electric equipment is characterized by comprising an infrared imager (1), an image processing module (2), a temperature calculating module (3), an acousto-optic distinguishing module (4) and an alarm (5) which are sequentially connected, wherein,
the infrared imager (1) is used for acquiring an initial infrared image of the power equipment;
the image processing module (2) is used for correcting the initial infrared image by adopting a concentric circle template and simultaneously recovering image pixels by adopting a bilinear interpolation algorithm to obtain a calibrated infrared image;
the temperature calculation module (3) is used for analyzing the pixel value of each pixel point on the calibration infrared image and calculating the actual temperature of each pixel point through a mapping function;
the acousto-optic judging module (4) is used for judging whether the actual temperature exceeds a preset single-point temperature upper limit value or a temperature difference alarm value, and if the actual temperature exceeds the preset single-point temperature upper limit value or the temperature difference alarm value, an alarm instruction is sent;
and the alarm (5) is used for receiving the alarm instruction and sending an alarm signal according to the alarm instruction.
2. The device for monitoring the heating temperature of the electrical equipment according to claim 1, further comprising a data storage (6) connected to the temperature calculation module (3) and the acousto-optic discrimination module (4), wherein the data storage (6) is used for exchanging data with the temperature calculation module (3) and the acousto-optic discrimination module (4) in real time and storing the received data.
3. The device for monitoring the heating temperature of the electrical equipment according to claim 1, further comprising a preset value module (7) connected to the sound and light discrimination module (4), wherein the preset value module (7) is configured to preset an upper limit value of a single-point temperature and a temperature difference alarm value.
4. The device for monitoring the heating temperature of the electric power equipment as recited in claim 1, characterized in that the alarm (5) comprises an audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218939.6U CN211373839U (en) | 2020-02-27 | 2020-02-27 | Monitoring device for heating temperature of power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218939.6U CN211373839U (en) | 2020-02-27 | 2020-02-27 | Monitoring device for heating temperature of power equipment |
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| Publication Number | Publication Date |
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| CN211373839U true CN211373839U (en) | 2020-08-28 |
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| CN202020218939.6U Active CN211373839U (en) | 2020-02-27 | 2020-02-27 | Monitoring device for heating temperature of power equipment |
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