阅读说明：本技术 一种电力设备监控方法及其装置、计算机可读存储介质 (Power equipment monitoring method and device and computer readable storage medium ) 是由 饶竹一 张云翔 于 2019-09-03 设计创作，主要内容包括：本发明提供一种电力设备监控方法及其装置、计算机可读存储介质。所述方法包括：实时获取一个或多个电力设备的热力图像；对所述热力图像进行图像识别得到图像的亮度值信息；根据所述亮度值信息和预设阈值的比较结果进行告警。实施本发明,能够便于对电力设备的温度进行监控。(The invention provides a power equipment monitoring method and device and a computer readable storage medium. The method comprises the following steps: acquiring thermal images of one or more power devices in real time; carrying out image identification on the thermal image to obtain brightness value information of the image; and alarming according to the comparison result of the brightness value information and a preset threshold value. The invention can be used for conveniently monitoring the temperature of the power equipment.)

1. A power equipment monitoring method, comprising:

acquiring thermal images of one or more power devices in real time;

carrying out image identification on the thermal image to obtain brightness value information of the image;

and alarming according to the comparison result of the brightness value information and a preset threshold value.

2. The power equipment monitoring method according to claim 1, wherein the thermal image is a sequence of multiple frames of images;

wherein, the obtaining of the brightness value information of the image by performing the image recognition on the thermal image comprises:

dividing each frame of thermal image into a plurality of squares, and identifying the brightness value of each square;

wherein the alarming according to the comparison result of the brightness value information and a preset threshold value comprises:

comparing the brightness value of any square with a brightness threshold value;

generating a first alarm signal according to the comparison result of the brightness values, and if the brightness value of a square is greater than a brightness threshold value, generating the first alarm signal;

and alarming according to the first alarm signal.

3. The power equipment monitoring method according to claim 2,

wherein, the obtaining of the brightness value information of the image by performing the image recognition on the thermal image comprises:

calculating the brightness value change rate of each square according to the brightness value of each square of the two adjacent frames of thermal images;

wherein the alarming according to the comparison result of the brightness value information and a preset threshold value comprises:

comparing the brightness value change rate of any grid with a change rate threshold value;

generating a second alarm signal according to the comparison result of the change rate, and if the change rate of the brightness value of one square is greater than the threshold value of the change rate, generating the second alarm signal;

and alarming according to the second alarm signal.

4. An electrical equipment monitoring device, comprising:

the image acquisition unit is used for acquiring thermal images of one or more electric power devices in real time;

the image identification unit is used for carrying out image identification on the thermal image to obtain brightness value information of the image;

the controller is used for generating an alarm signal according to the comparison result of the brightness value information and a preset threshold value;

and the alarm unit is used for giving an alarm according to the alarm signal.

5. The power equipment monitoring device of claim 4 wherein the thermal image is a sequence of multiple frames of images;

the image identification unit comprises a first subunit and a second subunit, wherein the first subunit is used for dividing each frame of thermal image into a plurality of squares and identifying the brightness value of each square;

the second subunit is used for comparing the brightness value of any square with a brightness threshold value;

the controller is used for generating a first alarm signal when the brightness value of any square is greater than a brightness threshold value;

the first alarm signal is used for controlling the alarm unit to alarm.

6. The electrical equipment monitoring device according to claim 5, wherein the image recognition unit further comprises a third subunit and a fourth subunit, the third subunit is configured to calculate a brightness value change rate of each square according to the brightness value of each square of two adjacent frames of thermal images; the fourth subunit compares the brightness value change rate of any square with a change rate threshold;

the controller is used for generating a second alarm signal when the change rate of the brightness value of any grid is greater than the change rate threshold value;

the second alarm signal is used for controlling the alarm unit to alarm.

7. The electrical equipment monitoring device of claim 6 wherein the device comprises a first housing, a second housing, and a third housing;

the first housing is for mounting the device in an electric utility;

the upper part of the second shell is connected with the bottom of the first shell, an infrared camera is arranged on the second shell, the infrared camera is used for shooting a thermal image and sending the thermal image to the image acquisition unit, and the image acquisition unit, the image recognition unit and the alarm unit are arranged in the second shell;

the upper part of the third shell is connected with the bottom of the second shell, the third shell is of a polygonal column structure, and each side face of the polygonal column structure is provided with an infrared emitter.

8. The electrical equipment monitoring device of claim 7 wherein the device comprises a rotation mechanism comprising a drive mechanism for driving rotation of the second mechanism relative to the first mechanism, a first mechanism coupled to the first housing, and a second mechanism rotatably coupled to the first mechanism, the second mechanism coupled to the second housing;

the controller is also used for controlling the rotating mechanism to work.

9. The electrical equipment monitoring device of claim 8, further comprising a display module for receiving and displaying the image recognition result of the image recognition unit and a memory for receiving and storing the image recognition result of the image recognition unit.

10. A computer-readable storage medium, comprising: computer-executable instructions to perform the power device monitoring method of any one of claims 1 to 3 when executed.

Technical Field

The invention belongs to the technical field of temperature monitoring of electric power equipment, and particularly relates to a method and a device for monitoring electric power equipment and a computer readable storage medium.

Background

With the rapid progress of scientific technology, image recognition is rapidly developed in the domestic market, and the development steps are faster and faster, the technology is widely applied to a plurality of important fields at present, image recognition research becomes an extremely important scientific and technological field, research and analysis show that high temperature is easily generated in the operation process of power equipment, although the power equipment is internally provided with a temperature sensor, the measurement range of the temperature sensor is limited, only local temperature data can be detected sometimes, and the condition that the whole temperature of the equipment or the temperature heating position is frequently transferred cannot be effectively recognized so as to effectively monitor the condition. Moreover, the quantity of the power equipment is large, and if each equipment is modified and more temperature sensors are added, the method is unrealistic, high in cost and not necessarily safe.

Disclosure of Invention

The invention aims to provide a power equipment monitoring method and device and a computer readable storage medium, so as to conveniently monitor the temperature of power equipment.

In a first aspect, an embodiment of the present invention provides a power device monitoring method, including:

acquiring thermal images of one or more power devices in real time;

carrying out image identification on the thermal image to obtain brightness value information of the image;

and alarming according to the comparison result of the brightness value information and a preset threshold value.

Wherein the thermal image is a multi-frame image sequence;

the image recognition of the thermal image to obtain brightness value information of the image comprises:

dividing each frame of thermal image into a plurality of squares, and identifying the brightness value of each square;

the alarming according to the comparison result of the brightness value information and the preset threshold value comprises:

comparing the brightness value of any square with a brightness threshold value;

generating a first alarm signal according to the comparison result of the brightness values, and if the brightness value of a square is greater than a brightness threshold value, generating the first alarm signal;

and alarming according to the first alarm signal.

Wherein, the obtaining of the brightness value information of the image by performing the image recognition on the thermal image comprises:

calculating the brightness value change rate of each square according to the brightness value of each square of the two adjacent frames of thermal images;

the alarming according to the comparison result of the brightness value information and the preset threshold value comprises:

comparing the brightness value change rate of any grid with a change rate threshold value;

generating a second alarm signal according to the comparison result of the change rate, and if the change rate of the brightness value of one square is greater than the threshold value of the change rate, generating the second alarm signal;

and alarming according to the second alarm signal.

In a second aspect, an embodiment of the present invention provides an electrical equipment monitoring apparatus, including:

the image acquisition unit is used for acquiring thermal images of one or more electric power devices in real time;

the image identification unit is used for carrying out image identification on the thermal image to obtain brightness value information of the image;

the controller is used for generating an alarm signal according to the comparison result of the brightness value information and a preset threshold value;

and the alarm unit is used for giving an alarm according to the alarm signal.

Wherein the thermal image is a multi-frame image sequence;

the image identification unit comprises a first subunit and a second subunit, wherein the first subunit is used for dividing each frame of thermal image into a plurality of squares and identifying the brightness value of each square;

the second subunit is used for comparing the brightness value of any square with a brightness threshold value;

the controller is used for generating a first alarm signal when the brightness value of any square is larger than a brightness threshold value, and the first alarm signal is used for controlling the alarm unit to alarm.

The image identification unit further comprises a third subunit and a fourth subunit, wherein the third subunit is used for calculating the brightness value change rate of each square according to the brightness value of each square of two adjacent frames of thermal images; the fourth subunit compares the brightness value change rate of any square with a change rate threshold; the controller is used for generating a second alarm signal when the change rate of the brightness value of any grid is larger than the change rate threshold value, and the second alarm signal is used for controlling the alarm unit to alarm.

Wherein the device comprises a first housing, a second housing, and a third housing;

the first housing is for mounting the device in an electric utility;

the upper part of the second shell is connected with the bottom of the first shell, an infrared camera is arranged on the second shell, the infrared camera is used for shooting a thermal image and sending the thermal image to the image acquisition unit, and the image acquisition unit, the image recognition unit and the alarm unit are arranged in the second shell;

the upper part of the third shell is connected with the bottom of the second shell, the third shell is of a polygonal column structure, and each side face of the polygonal column structure is provided with an infrared emitter.

The device comprises a rotating mechanism, wherein the rotating mechanism comprises a driving mechanism, a first mechanism and a second mechanism which is rotatably connected with the first mechanism, the driving mechanism is used for driving the second mechanism to rotate relative to the first mechanism, the first mechanism is connected with a first shell, and the second mechanism is connected with a second shell;

the controller is also used for controlling the rotating mechanism to work.

The device further comprises a display module and a memory, wherein the display module is used for receiving and displaying the image recognition result of the image recognition unit, and the memory is used for receiving and storing the image recognition result of the image recognition unit.

In a third aspect, an embodiment of the present invention provides a computer-readable storage medium, including: computer-executable instructions to perform the power equipment monitoring method when the computer-executable instructions are executed.

The embodiment of the invention provides a power equipment monitoring method, a device thereof and a computer readable storage medium, wherein a thermal image of one or more power equipment is obtained, whether the temperature of the power equipment exceeds a set threshold value is judged according to the brightness information of the thermal image, and if the temperature of the power equipment exceeds the set threshold value, an alarm is given.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. Of course, not all of the advantages described above need to be achieved at the same time in the practice of any one product or method of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic flow chart of a monitoring method for an electrical device according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a power equipment monitoring device according to a second embodiment of the present invention.

Fig. 3 is a schematic circuit diagram of a power equipment monitoring apparatus according to a second embodiment of the present invention.

Reference numerals:

the device comprises an image acquisition unit-1, an image recognition unit-2, an alarm unit-3, a controller-4, an infrared camera-5, an infrared emitter-6, a first shell-7, a second shell-8, a third shell-9, a rotating mechanism-10, a display module-11 and a memory-12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures closely related to the solution according to the present invention are shown in the drawings, and other details not closely related to the present invention are omitted.