CN113593174A - Join in marriage and become intelligent theftproof self-diagnosis terminal - Google Patents
Join in marriage and become intelligent theftproof self-diagnosis terminal Download PDFInfo
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Abstract
The invention relates to an intelligent anti-theft self-diagnosis terminal for a distribution transformer, which comprises an information acquisition device arranged on a distribution transformer body, a control module electrically connected with the output end of the information acquisition device, and an alarm module electrically connected with the output end of the control module; and the distribution transformer body is also provided with an RFID module. The invention realizes more comprehensive monitoring of the operation condition of the distribution transformer and can find the abnormal condition of the distribution transformer in time.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a novel electric appliance.
Background
The current distribution transformer, namely a distribution transformer, a power line, an electric meter and the like are often stolen, the power supply reliability is greatly influenced, great economic loss is caused, and the normal production and life of people are seriously disturbed.
The power transformer is used as key equipment of a power grid system, and due to long-term outdoor complex environment operation, distribution transformers in remote areas often face theft risks and poor operation condition impact, once faults occur, sudden large-area power failure is possibly caused, and direct and indirect economic loss is brought.
At present, intelligent management is lacked in distribution transformers, the checking and detecting means still stay at the stage of manual inspection and feedback reporting, and effective countermeasures are lacked for stealing transformers. Especially, the distribution transformer of the rural power station in the outdoor remote area can be found to be lost only by patrolling after the transformer is stolen, so that the distribution transformer is difficult to find and lose.
Present farming is arranged and is joined in marriage the change and move under outdoor environment for a long time, simultaneously because the agricultural irrigation and drainage load is more concentrated and the load change is violent, very easily causes inside insulation damage, causes to join in marriage and change the load and arouse after increasing on foot to join in marriage and change the burning out, and the urgent need is improved current condition.
The power transformer is one of the most important power transmission and transformation equipment of the power system, the running state and the fault condition of the power transformer are accurately monitored, corresponding treatment measures are taken in time, and the power transformer has important significance for improving the running safety, reliability and economy of the power system.
The temperature of the transformer is a key parameter influencing the performance of the transformer, and in order to ensure the practical service life of the transformer and even prolong the service life of the transformer, ensure the safe and normal operation of the transformer and reduce the influence of the temperature on the insulating material of the transformer, the national relevant standards stipulate the temperature rise limit of a transformer winding, an iron core and power transformer oil, and a transformer manufacturer also gives a temperature load curve of the operation of equipment to guide the operation of a user. However, in the practical use process of the transformer, many internal and external factors affect the normal and safe operation of the transformer, such as defects in the design of the transformer, the quality of process manufacturing, the heat dissipation capability of the transformer, and the like, and all of the factors affect the operation of the transformer. In addition, some external ineffectiveness factors also influence the safe operation of the transformer, such as transportation, installation, external meteorological environment, transformer operation environment, limitation of power utilization environment and power grid equipment, and the like, and even the safe operation of the transformer is influenced by the conditions of transformer overload operation and the like sometimes. Among many influencing factors, potential safety hazards and safety faults caused by overhigh operating temperature of the transformer account for a large proportion, the traditional manual regular inspection is time-consuming and labor-consuming, and usually has time intervals, so that the abnormity of the power transformer is difficult to find in time.
Disclosure of Invention
The invention aims to provide an intelligent anti-theft self-diagnosis terminal for a distribution transformer, which can realize more comprehensive monitoring on the running condition of the distribution transformer and can find the abnormal condition of the distribution transformer in time.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides an intelligent anti-theft self-diagnosis terminal for a distribution transformer, which comprises an information acquisition device arranged on a distribution transformer body, a control module electrically connected with the output end of the information acquisition device, an alarm module electrically connected with the output end of the control module, and,
and the RFID module is arranged on the distribution transformer body.
Furthermore, the information acquisition device comprises more than one temperature sensor, and the temperature sensors are distributed at different sites of the distribution transformer body; and the output end of the temperature sensor is electrically connected with the control module.
Further, the information acquisition device comprises a sound sensor, and the output end of the sound sensor is electrically connected with the control module.
Further, the information acquisition device comprises one of a displacement sensor and an attitude sensor.
Further, the attitude sensor is a six-axis gyroscope sensor.
Further, the control module is a PLC programmable controller.
Further, the alarm module is an audible and visual alarm.
Further, the RFID module comprises an RFID electronic tag recorded with physical information of the distribution transformer body, an RFID reader-writer used for reading the physical information of the distribution transformer body from the RFID electronic tag, and an RFID electronic tag communication interface used for transmitting the physical information of the distribution transformer body read by the RFID reader-writer to an external server;
the RFID module also comprises a reader-writer power supply module, the reader-writer power supply module supplies power to the RFID reader-writer, and the reader-writer power supply module is electrically connected with the control module;
and the physical information of the distribution transformer body transmitted to the external server by the RFID electronic tag communication interface is used for forwarding to a communication terminal of the external server.
Furthermore, the intelligent alarm system also comprises a power supply module which supplies power for the information acquisition device, the control module and the alarm module respectively.
Further, the working process is as follows:
the information acquisition device acquires information of the distribution transformer body and transmits the information to the control module, when the acquired information exceeds a preset limit value of the control module, the alarm module gives an alarm, and meanwhile, the control module starts the reader-writer power supply module;
after the reader-writer power supply module is started, the RFID reader-writer reads the RFID electronic tag to acquire the physical information of the distribution transformer body recorded in the RFID electronic tag, the RFID reader-writer transmits the read physical information of the distribution transformer body to the RFID electronic tag communication interface, the RFID electronic tag communication interface is connected with an external server in a wireless mode, and the communication terminal of the external server finally receives the physical information of the distribution transformer body.
Compared with the prior art, the invention has the following beneficial effects:
(1) the distribution transformer temperature monitoring and alarming system realizes the temperature abnormity alarming function, the temperature sensor is arranged on the distribution transformer body to monitor the distribution transformer operation temperature in real time, the control module is provided with temperature limitation, and when the temperature acquired by the temperature sensor exceeds the limitation, the alarming module is triggered to alarm the abnormity of the temperature in time.
(2) The distribution transformer abnormal sound alarm system realizes distribution transformer abnormal sound alarm, the sound sensor captures the sound at the distribution transformer body, and when the sound is abnormal, the alarm module is triggered to alarm the abnormity in time.
(3) The invention is provided with the displacement sensor or the attitude sensor, and can find abnormal conditions such as theft, moving and the like of the distribution transformer body in time. The invention realizes the distribution transformer displacement alarm, and immediately alarms by moving the distribution transformer position to remind the site to verify whether the distribution transformer is lost.
(4) When any abnormal condition occurs, on one hand, the alarm is triggered, on the other hand, the related information of the abnormal distribution transformer is timely sent to the communication terminal by reading the physical information of the RFID electronic tag, and the maintenance work of related equipment can be timely arranged after the ground power maintenance or supervision personnel receive the information.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent terminal according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an information acquisition device according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of an information acquisition device in embodiment 2 of the present invention;
fig. 4 is a schematic structural diagram of an RFID module according to embodiment 1 of the present invention.
Detailed Description
The present invention will be described in further detail below with reference to examples.
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Example 1
The embodiment provides a distribution transformer intelligent anti-theft self-diagnosis terminal which is applied to a distribution transformer.
The distribution transformer body in this embodiment is a distribution transformer body.
The invention comprises an information acquisition device arranged on a distribution transformer body, a control module electrically connected with the output end of the information acquisition device, an alarm module electrically connected with the output end of the control module, and,
and the RFID module is arranged on the distribution transformer body.
Furthermore, the information acquisition device comprises more than one temperature sensor, and the temperature sensors are distributed at different sites of the distribution transformer body; and the output end of the temperature sensor is electrically connected with the control module.
In this embodiment, the number of the temperature sensors is one, and the temperature sensors are arranged on the side wall of the distribution transformer body.
The model of the temperature sensor in this embodiment is TMP102aid rlr.
Further, the information acquisition device comprises a sound sensor, and the output end of the sound sensor is electrically connected with the control module.
The sound sensor in this embodiment is model number BYZ 08.
According to the existing analysis, the judgment of the sound has important significance for the transformer. The distribution transformer operation sound database can be gradually established by collecting the sound data of the distribution transformer operation and utilizing the big data analysis function, and abnormal sound of the distribution transformer operation can be analyzed in time.
Analysis and research show that the sound abnormity judgment of the transformer has the following points: 1. the transformer operates normally, and due to the action of the alternating magnetic field of the transformer, the transformer generates buzzing sound which is deep and regular. 2. The sound of the transformer is abnormal due to the fact that fasteners, bolts and the like are not firmly connected or loosened in the installation and manufacturing processes of the transformer, the sound of the transformer is crisp and uneven, the abnormal change usually occurs at a certain part of the transformer instead of the whole transformer, and the abnormal change generally cannot harm the transformer. 3. The abnormal sound of the transformer caused by the looseness of the silicon steel of the transformer is sharp and uniform, and the local eddy current heating and local overheating can be caused after the insulation of the silicon steel sheet is abraded due to the vibration of the silicon steel sheet. 4. The local insulation breakdown of the transformer generates sound of frizzy sound by small current discharge, and the sound is fine and dull. 5. And (3) internal fault of the transformer: if the sound of glugging oil boiling inside the transformer is found and the temperature of the transformer oil rapidly rises, the transformer is immediately stopped when the transformer protection is not moved due to a serious short-circuit fault inside the transformer. 6. Overload of the transformer: after the transformer is overloaded, the current of the transformer is increased and is influenced by the saturation of the iron core of the transformer, the exciting current of the transformer is increased more obviously, and the sound of the transformer is increased abnormally.
Further, the information acquisition device comprises one of a displacement sensor and an attitude sensor.
In the embodiment, an attitude sensor is selected, and the attitude sensor (E.T-ahrs) is a high-performance three-dimensional motion attitude measurement system based on the MEMS technology. The device comprises auxiliary motion sensors such as a three-axis gyroscope, a three-axis accelerometer (namely IMU), a three-axis electronic compass and the like, outputs calibrated angular velocity, acceleration, magnetic data and the like through an embedded low-power-consumption ARM processor, measures motion postures through a sensor data algorithm based on quaternion, and outputs zero-drift three-dimensional posture data expressed by quaternion, Euler angle and the like in real time.
The attitude sensor (E.T-ahrs) can be widely applied to model airplane unmanned aerial vehicles, robots, antenna holders, concentrating solar energy, ground and underwater equipment, virtual reality, human motion analysis and other product equipment which needs low-cost and high-dynamic three-dimensional attitude measurement.
The attitude sensor is a six-axis gyroscope sensor. The six-axis gyroscope is called a six-axis motion sensor, which is a proper combination of a three-axis gyroscope and an accelerometer, and has six-axis motion sensing if the three-axis gyroscope and the accelerometer exist.
The three-axis gyroscope is used for respectively sensing all-dimensional dynamic information of Roll (left-right inclination), Pitch (front-back inclination) and Yaw (left-right swinging), and the 6-axis gyroscope is a name that a three-axis accelerator (a three-axis accelerator is used for sensing the acceleration in the axial direction of XYZ (three directions in a three-dimensional space, front-back, left-right and up-down)) and the three-axis gyroscope are combined together.
In brief, the 6-axis sensor has 3-axis function, and the six-axis sensor is a little higher than the six-axis sensor, the three-axis accelerator detects lateral acceleration, and the three-axis gyroscope detects angular rotation and balance, and is collectively called as a six-axis sensor.
A gyroscope is an angular motion detection device using a moment-of-momentum sensitive housing of a high-speed rotating body about one or two axes orthogonal to the axis of rotation with respect to the inertial space. Angular motion detection devices made using other principles are also known as gyroscopes, which serve the same function.
Gyroscopes have two very important basic characteristics: one is axial and the other is precession, and both characteristics are established under the principle of conservation of angular momentum.
A gyroscope is a sensor for measuring angular velocity and angle. The three-axis displacement of the object can be known, and thus, the three-axis displacement can be used for navigation and the track of the object can be measured.
Further, the control module is a PLC programmable controller.
In the embodiment, the PLC is XC 3-48R-E.
Further, the alarm module is an audible and visual alarm.
In this embodiment, the audible and visual alarm is STSG-01.
The RFID module comprises an RFID electronic tag recorded with physical information of a distribution transformer body, an RFID reader-writer used for reading the physical information of the distribution transformer body from the RFID electronic tag and an RFID electronic tag communication interface used for transmitting the physical information of the distribution transformer body read by the RFID reader-writer to an external server;
the RFID module also comprises a reader-writer power supply module, the reader-writer power supply module supplies power to the RFID reader-writer, and the reader-writer power supply module is electrically connected with the control module;
and the physical information of the distribution transformer body transmitted to the external server by the RFID electronic tag communication interface is used for forwarding to a communication terminal of the external server.
Furthermore, the intelligent alarm system also comprises a power supply module which supplies power for the information acquisition device, the control module and the alarm module respectively.
The power supply module is a rechargeable battery.
Further, the working process of the invention is as follows:
the information acquisition device acquires information of the distribution transformer body and transmits the information to the control module, when the acquired information exceeds a preset limit value of the control module, the alarm module gives an alarm, and meanwhile, the control module starts the reader-writer power supply module;
after the reader-writer power supply module is started, the RFID reader-writer reads the RFID electronic tag to acquire the physical information of the distribution transformer body recorded in the RFID electronic tag, the RFID reader-writer transmits the read physical information of the distribution transformer body to the RFID electronic tag communication interface, the RFID electronic tag communication interface is connected with an external server in a wireless mode, and the communication terminal of the external server finally receives the physical information of the distribution transformer body.
The reader-writer power supply module starts to supply power to the RFID reader-writer only when the control module sends a starting instruction, so that the RFID electronic tag can be read.
The physical information recorded in the RFID tag includes, but is not limited to, a transformer mounting position, a model, a core material, a turn ratio, and a capacity.
The RFID reader-writer reads the RFID electronic tag and acquires physical information recorded in the RFID electronic tag, the RFID reader-writer is electrically connected with the RFID electronic tag communication interface, the RFID reader-writer transmits the read physical information to the RFID electronic tag communication interface, the RFID electronic tag communication interface is connected with a server in a wireless mode, the server is connected with a communication terminal, and the communication terminal finally receives the physical information of the distribution transformer body which sends an alarm.
When any abnormal condition occurs, such as temperature abnormality, sound abnormality or abnormal displacement, on one hand, alarm is triggered, on the other hand, the related information of abnormal distribution transformation is timely sent to the communication terminal by reading the physical information of the RFID electronic tag, and the ground power overhaul or supervision personnel can timely arrange the overhaul work of related equipment after receiving the information through the communication terminal.
Example 2
The embodiment provides a distribution transformer intelligent anti-theft self-diagnosis terminal which is applied to a distribution transformer.
The distribution transformer body in this embodiment is a distribution transformer body.
The invention comprises an information acquisition device arranged on a distribution transformer body, a control module electrically connected with the output end of the information acquisition device, an alarm module electrically connected with the output end of the control module, and,
and the RFID module is arranged on the distribution transformer body.
Furthermore, the information acquisition device comprises more than one temperature sensor, and the temperature sensors are distributed at different sites of the distribution transformer body; and the output end of the temperature sensor is electrically connected with the control module.
In this embodiment, the number of the temperature sensors is two, and the two temperature sensors are respectively arranged on two side walls of the distribution transformer body.
The model of the temperature sensor in this embodiment is TMP421 AIDCNR.
Further, the information acquisition device comprises a sound sensor, and the output end of the sound sensor is electrically connected with the control module.
In this embodiment, the specification model of the sound sensor is Physical Acoustics.
According to the existing analysis, the judgment of the sound has important significance for the transformer. The distribution transformer operation sound database can be gradually established by collecting the sound data of the distribution transformer operation and utilizing the big data analysis function, and abnormal sound of the distribution transformer operation can be analyzed in time.
Further, the information acquisition device comprises one of a displacement sensor and an attitude sensor.
In this embodiment, a displacement sensor is used.
The displacement sensor is also called as a linear sensor, and is a metal-induced linear device, and the sensor is used for converting various measured physical quantities into electric quantities. In the production process, the measurement of displacement is generally divided into measurement of physical size and mechanical displacement. The displacement sensor can be divided into an analog type and a digital type according to the conversion form of the measured variable. The analog type can be classified into physical type and structural type. The common displacement sensors are mostly of analog structure type, and include potentiometer type displacement sensors, inductive type displacement sensors, synchro machines, capacitive type displacement sensors, eddy current type displacement sensors, hall type displacement sensors, and the like. An important advantage of digital displacement sensors is the ease of directly feeding the signals into the computer system. The sensor is developed rapidly and is increasingly widely applied.
In this embodiment, the displacement sensor is a model LIS3 DSHTR.
Further, the control module is a PLC programmable controller.
In the embodiment, the PLC is CP1H-X40DT 1-D.
Further, the alarm module is an audible and visual alarm.
In this embodiment, the audible and visual alarm is of a model BJQ.
Further, the RFID module comprises an RFID electronic tag recorded with physical information of the distribution transformer body, an RFID reader-writer used for reading the physical information of the distribution transformer body from the RFID electronic tag, and an RFID electronic tag communication interface used for transmitting the physical information of the distribution transformer body read by the RFID reader-writer to an external server;
the RFID module also comprises a reader-writer power supply module, the reader-writer power supply module supplies power to the RFID reader-writer, and the reader-writer power supply module is electrically connected with the control module;
and the physical information of the distribution transformer body transmitted to the external server by the RFID electronic tag communication interface is used for forwarding to a communication terminal of the external server.
Furthermore, the intelligent alarm system also comprises a power supply module which supplies power for the information acquisition device, the control module and the alarm module respectively. The power supply module is a rechargeable battery.
Further, the working process is as follows:
the information acquisition device acquires information of the distribution transformer body and transmits the information to the control module, when the acquired information exceeds a preset limit value of the control module, the alarm module gives an alarm, and meanwhile, the control module starts the reader-writer power supply module;
after the reader-writer power supply module is started, the RFID reader-writer reads the RFID electronic tag to acquire the physical information of the distribution transformer body recorded in the RFID electronic tag, the RFID reader-writer transmits the read physical information of the distribution transformer body to the RFID electronic tag communication interface, the RFID electronic tag communication interface is connected with an external server in a wireless mode, and the communication terminal of the external server finally receives the physical information of the distribution transformer body.
The reader-writer power supply module starts to supply power to the RFID reader-writer only when the control module sends a starting instruction, so that the RFID electronic tag can be read.
The physical information recorded in the RFID tag includes, but is not limited to, a transformer mounting position, a model, a core material, a turn ratio, and a capacity.
The RFID reader-writer reads the RFID electronic tag and acquires physical information recorded in the RFID electronic tag, the RFID reader-writer is electrically connected with the RFID electronic tag communication interface, the RFID reader-writer transmits the read physical information to the RFID electronic tag communication interface, the RFID electronic tag communication interface is connected with a server in a wireless mode, the server is connected with a communication terminal, and the communication terminal finally receives the physical information of the distribution transformer body which sends an alarm.
When any abnormal condition occurs, such as temperature abnormality, sound abnormality or abnormal displacement, on one hand, alarm is triggered, on the other hand, the related information of abnormal distribution transformation is timely sent to the communication terminal by reading the physical information of the RFID electronic tag, and the ground power overhaul or supervision personnel can timely arrange the overhaul work of related equipment after receiving the information through the communication terminal.
Example 3
The embodiment provides a distribution transformer intelligent anti-theft self-diagnosis terminal which is applied to a distribution transformer.
The distribution transformer body in this embodiment is a distribution transformer body.
The invention comprises an information acquisition device arranged on a distribution transformer body, a control module electrically connected with the output end of the information acquisition device, an alarm module electrically connected with the output end of the control module, and,
and the RFID module is arranged on the distribution transformer body.
Furthermore, the information acquisition device comprises more than one temperature sensor, and the temperature sensors are distributed at different sites of the distribution transformer body; and the output end of the temperature sensor is electrically connected with the control module.
In the embodiment, the number of the temperature sensors is four, and the temperature sensors are averagely arranged on the front, the rear, the left side wall and the right side wall of the distribution transformer body.
The model of the temperature sensor in this embodiment is TC1047 AVNBTR.
Further, the information acquisition device comprises a sound sensor, and the output end of the sound sensor is electrically connected with the control module.
The sound sensor in this embodiment is of the BYZ08 specification.
According to the existing analysis, the judgment of the sound has important significance for the transformer. The distribution transformer operation sound database can be gradually established by collecting the sound data of the distribution transformer operation and utilizing the big data analysis function, and abnormal sound of the distribution transformer operation can be analyzed in time.
Further, the information acquisition device comprises one of a displacement sensor and an attitude sensor.
In this embodiment, a displacement sensor is used.
The displacement sensor is also called as a linear sensor, and is a metal-induced linear device, and the sensor is used for converting various measured physical quantities into electric quantities. In the production process, the measurement of displacement is generally divided into measurement of physical size and mechanical displacement.
The displacement sensor is used for knowing whether the transformer is moved or stolen, the distribution transformer displacement alarm is realized, and the alarm is immediately given by moving the distribution transformer position to remind a site to verify whether the distribution transformer is lost.
In the embodiment, the displacement sensor is an ADXL343BCCZ-RL7 model.
Further, the control module is a PLC programmable controller.
In the embodiment, the PLC is CP1H-X40DT 1-D.
Further, the alarm module is an audible and visual alarm.
In this embodiment, the audible and visual alarm is a YX2071 lamp type audible and visual alarm.
Further, the RFID module comprises an RFID electronic tag recorded with physical information of the distribution transformer body, an RFID reader-writer used for reading the physical information of the distribution transformer body from the RFID electronic tag, and an RFID electronic tag communication interface used for transmitting the physical information of the distribution transformer body read by the RFID reader-writer to an external server;
the RFID module also comprises a reader-writer power supply module, the reader-writer power supply module supplies power to the RFID reader-writer, and the reader-writer power supply module is electrically connected with the control module;
and the physical information of the distribution transformer body transmitted to the external server by the RFID electronic tag communication interface is used for forwarding to a communication terminal of the external server.
Furthermore, the intelligent alarm system also comprises a power supply module which supplies power for the information acquisition device, the control module and the alarm module respectively. The power supply module is a rechargeable battery.
Further, the working process of the invention is as follows:
the information acquisition device acquires information of the distribution transformer body and transmits the information to the control module, when the acquired information exceeds a preset limit value of the control module, the alarm module gives an alarm, and meanwhile, the control module starts the reader-writer power supply module;
after the reader-writer power supply module is started, the RFID reader-writer reads the RFID electronic tag to acquire the physical information of the distribution transformer body recorded in the RFID electronic tag, the RFID reader-writer transmits the read physical information of the distribution transformer body to the RFID electronic tag communication interface, the RFID electronic tag communication interface is connected with an external server in a wireless mode, and the communication terminal of the external server finally receives the physical information of the distribution transformer body.
The reader-writer power supply module starts to supply power to the RFID reader-writer only when the control module sends a starting instruction, so that the RFID electronic tag can be read.
The physical information recorded in the RFID tag includes, but is not limited to, a transformer mounting position, a model, a core material, a turn ratio, and a capacity.
The RFID reader-writer reads the RFID electronic tag and acquires physical information recorded in the RFID electronic tag, the RFID reader-writer is electrically connected with the RFID electronic tag communication interface, the RFID reader-writer transmits the read physical information to the RFID electronic tag communication interface, the RFID electronic tag communication interface is connected with a server in a wireless mode, the server is connected with a communication terminal, and the communication terminal finally receives the physical information of the distribution transformer body which sends an alarm.
When any abnormal condition occurs, such as temperature abnormality, sound abnormality or abnormal displacement, on one hand, alarm is triggered, on the other hand, the related information of abnormal distribution transformation is timely sent to the communication terminal by reading the physical information of the RFID electronic tag, and the maintenance work of related equipment can be timely arranged through the communication terminal after the ground power maintenance or supervision personnel receive the information.
The invention has the following effects:
(1) the distribution transformer temperature monitoring and alarming system realizes the temperature abnormity alarming function, the temperature sensor is arranged on the distribution transformer body to monitor the distribution transformer operation temperature in real time, the control module is provided with temperature limitation, and when the temperature acquired by the temperature sensor exceeds the limitation, the alarming module is triggered to alarm the abnormity of the temperature in time.
(2) The distribution transformer abnormal sound alarm system realizes distribution transformer abnormal sound alarm, the sound sensor captures the sound at the distribution transformer body, and when the sound is abnormal, the alarm module is triggered to alarm the abnormity in time.
(3) The invention is provided with the displacement sensor or the attitude sensor, and can find abnormal conditions such as theft, moving and the like of the distribution transformer body in time. The invention realizes the distribution transformer displacement alarm, and immediately alarms by moving the distribution transformer position to remind the site to verify whether the distribution transformer is lost.
(4) When any abnormal condition occurs, on one hand, the alarm is triggered, on the other hand, the related information of the abnormal distribution transformer is timely sent to the communication terminal by reading the physical information of the RFID electronic tag, and the maintenance work of related equipment can be timely arranged after the ground power maintenance or supervision personnel receive the information.
Those skilled in the art can readily devise many other varied embodiments that will still fall within the scope of the appended claims without the use of the teachings of this invention.
Claims (10)
1. An intelligent anti-theft self-diagnosis terminal for a distribution transformer is characterized by comprising an information acquisition device arranged on a distribution transformer body, a control module electrically connected with the output end of the information acquisition device, an alarm module electrically connected with the output end of the control module, and,
and the RFID module is arranged on the distribution transformer body.
2. The intelligent distribution transformer anti-theft self-diagnosis terminal according to claim 1, wherein the information acquisition device comprises more than one temperature sensor, and the temperature sensors are distributed at different sites of the distribution transformer body; and the output end of the temperature sensor is electrically connected with the control module.
3. The distribution transformer intelligent anti-theft self-diagnosis terminal according to claim 1, wherein the information acquisition device comprises a sound sensor, and an output end of the sound sensor is electrically connected with the control module.
4. The distribution transformer intelligent anti-theft self-diagnosis terminal according to claim 1, wherein the information acquisition device comprises one of a displacement sensor and an attitude sensor.
5. The distribution transform intelligent anti-theft self-diagnosis terminal according to claim 4, wherein the attitude sensor is a six-axis gyroscope sensor.
6. The distribution transformer intelligent anti-theft self-diagnosis terminal according to claim 1, wherein the control module is a PLC programmable controller.
7. The distribution transformer intelligent anti-theft self-diagnosis terminal according to claim 1, wherein the alarm module is an audible and visual alarm.
8. The distribution transformer intelligent anti-theft self-diagnosis terminal according to claim 1, wherein the RFID module comprises an RFID electronic tag recording physical information of a distribution transformer body, an RFID reader for reading the physical information of the distribution transformer body from the RFID electronic tag, and an RFID electronic tag communication interface for transmitting the physical information of the distribution transformer body read by the RFID reader to an external server;
the RFID module also comprises a reader-writer power supply module, the reader-writer power supply module supplies power to the RFID reader-writer, and the reader-writer power supply module is electrically connected with the control module;
and the physical information of the distribution transformer body transmitted to the external server by the RFID electronic tag communication interface is used for forwarding to a communication terminal of the external server.
9. The distribution transformer intelligent anti-theft self-diagnosis terminal according to claim 1, further comprising a power supply module, wherein the power supply module supplies power to the information acquisition device, the control module and the alarm module respectively.
10. The intelligent distribution transformer anti-theft self-diagnosis terminal according to claim 8, characterized in that the working process is as follows:
the information acquisition device acquires information of the distribution transformer body and transmits the information to the control module, when the acquired information exceeds a preset limit value of the control module, the alarm module gives an alarm, and meanwhile, the control module starts the reader-writer power supply module;
after the reader-writer power supply module is started, the RFID reader-writer reads the RFID electronic tag to acquire the physical information of the distribution transformer body recorded in the RFID electronic tag, the RFID reader-writer transmits the read physical information of the distribution transformer body to the RFID electronic tag communication interface, the RFID electronic tag communication interface is connected with an external server in a wireless mode, and the communication terminal of the external server finally receives the physical information of the distribution transformer body.
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