CN110556923A - Distribution transformer data monitoring terminal, monitoring system and monitoring method - Google Patents

Distribution transformer data monitoring terminal, monitoring system and monitoring method Download PDF

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Publication number
CN110556923A
CN110556923A CN201910930550.6A CN201910930550A CN110556923A CN 110556923 A CN110556923 A CN 110556923A CN 201910930550 A CN201910930550 A CN 201910930550A CN 110556923 A CN110556923 A CN 110556923A
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China
Prior art keywords
distribution transformer
module
data
parameters
data processing
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CN201910930550.6A
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Chinese (zh)
Inventor
赵长乐
刘天羽
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Shanghai Dianji University
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Shanghai Dianji University
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Priority to CN201910930550.6A priority Critical patent/CN110556923A/en
Publication of CN110556923A publication Critical patent/CN110556923A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0007Details of emergency protective circuit arrangements concerning the detecting means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

the invention relates to a distribution transformer data monitoring terminal, a monitoring system and a monitoring method. The monitor terminal includes: the detection device is used for detecting the operating parameters of the distribution transformer; the data processing module is used for judging the running state of the distribution transformer and triggering the protection device to act; the protection device is used for executing protection action on the distribution transformer when the running state of the distribution transformer is abnormal; and the power supply is used for supplying power to the data processing module. The monitoring system comprises at least one data monitoring terminal and a cloud server terminal, and the cloud server terminal acquires and stores the operation parameters and the operation state of the distribution transformer from the monitoring terminal in real time; and the remote monitoring terminal accesses the cloud server terminal in real time and acquires the operating parameters and the operating state of the distribution transformer, and an alarm is given when the operating state is abnormal. Compared with the prior art, the invention integrates acquisition, control, protection and communication into a whole, and solves the problems that the automation degree of a power distribution area is low and the operation condition cannot be remotely monitored.

Description

distribution transformer data monitoring terminal, monitoring system and monitoring method
Technical Field
the invention relates to the field of intelligent power grid monitoring, in particular to a distribution transformer data monitoring terminal, a monitoring system and a monitoring method.
Background
at present, the distribution transformer detection device of a power distribution network has the characteristics of single function, low integration degree, low automation degree and the like, so that equipment is not easy to install and the cost is high. At the present stage, the operation and management of the power distribution network are relatively extensive, the number of power distribution stations is large, and the geographical dispersion is large. Generally, an electrician manages 5 to 10 transformer areas, and most of the existing distribution transformer protection equipment does not have the remote communication capability, so that the electrician can know the operation conditions of the distribution transformer and the low-voltage line only by frequently inquiring each transformer area, and the equipment management work difficulty is large and the work efficiency is low. Meanwhile, the existing detection device has the condition of single function, generally only can detect one detection item independently, and cannot perform real-time protection control.
Disclosure of Invention
the invention aims to overcome the defects of the prior art and provide a distribution transformer data monitoring terminal, a monitoring system and a monitoring method.
the purpose of the invention can be realized by the following technical scheme:
a distribution transformer data monitoring terminal comprising:
the detection device comprises: the system is used for detecting the operating parameters of the distribution transformer;
a data processing module: the protection device is used for processing the operation parameters of the distribution transformer, judging the operation state of the distribution transformer and triggering the protection device to act;
The protection device comprises: the protection device is used for executing protection action on the distribution transformer when the running state of the distribution transformer is abnormal;
a power supply: the power supply is used for supplying power to the data processing module, and the power supply is connected with the data processing module through the power manager.
the detection device comprises:
the voltage detection module: detecting voltage operation parameters of the distribution transformer and transmitting the voltage operation parameters to the data processing module;
a current detection module: detecting current operation parameters of the distribution transformer and transmitting the current operation parameters to the data processing module;
temperature and humidity detection module: detecting temperature parameters and humidity parameters of the surrounding environment of the distribution transformer and transmitting the temperature parameters and the humidity parameters to the data processing module;
a condensation detection module: and detecting the condensation volume parameters around the distribution transformer and transmitting the condensation volume parameters to the data processing module.
the protection device comprises:
the overvoltage and overcurrent protection module: the data processing module is used for carrying out power-off operation on the distribution transformer when judging that the voltage and current operation parameters of the distribution transformer exceed the safety threshold;
An electric leakage protection module: and the data processing module is used for carrying out power-off operation on the distribution transformer when detecting the leakage of the distribution transformer.
the protection device further comprises a parameter adjusting module: the parameter adjusting module comprises an on-load voltage-regulating joint, an intelligent capacitor, a low-voltage main outgoing line switch and a low-voltage branch line switch, wherein the on-load voltage-regulating joint, the intelligent capacitor, the low-voltage main outgoing line switch and the low-voltage branch line switch are all connected to the distribution transformer.
the power supply manager comprises a sampling filter circuit, a magnetic bias detection circuit, a DSP module, a CPLD module, an isolation driving circuit, a power amplification circuit and a remote communication module, wherein the sampling filter circuit, the magnetic bias detection circuit, the power amplification circuit and the remote communication module are respectively connected with corresponding ports of the DSP module, the DSP module is connected with the isolation driving circuit through the CPLD module, and the isolation driving circuit is connected with a data processing module.
the monitoring terminal further comprises a human-computer interaction module, the human-computer interaction module is connected with the data processing module and comprises a keyboard and a display screen, the human-computer interaction module is used for receiving the operation parameters in the data processing module and displaying the operation parameters on the display screen, and a control instruction is input into the data processing module through the keyboard to enable the data processing module to execute the control instruction.
A distribution transformer data monitoring system, this system includes above-mentioned data monitor terminal, at least one of said data monitor terminal, this system also includes:
cloud server terminal: acquiring the operation parameters and the operation state of the distribution transformer from the monitoring terminal in real time and storing the operation parameters and the operation state;
Remote monitoring terminal: and accessing the cloud server terminal in real time, acquiring the operation parameters and the operation state of the distribution transformer, and giving an alarm when the operation state is abnormal.
The remote monitoring terminal comprises a controller module, and a GSM module, an alarm module, a memory module, a display module, a clock module and a data transceiver module which are respectively connected with the controller module;
a GSM module: the system is used for connecting a cloud server terminal through GPRS;
a clock module: the controller module is used for transmitting the clock signal to the controller module so that the controller module records the clock signal and the operation parameters and the operation state data of the distribution transformer at the same time;
a controller module: acquiring operation parameters and operation state data of a distribution transformer and analyzing to obtain an alarm signal;
a memory module: the system is used for storing the operating parameters and the operating state data of the distribution transformer;
A display module: the system is used for displaying the operating parameters and the operating state data of the distribution transformer;
an alarm module: the alarm module is used for receiving an alarm signal from the controller module and giving an alarm;
the data transceiver module 307: the controller module is used for receiving data of other equipment and transmitting the data to the controller module or sending the data from the controller module to the other equipment.
a monitoring method of a distribution transformer data monitoring terminal is based on the distribution transformer data monitoring terminal and comprises the following steps:
(a1) the detection device detects the operation parameters of the distribution transformer;
(a2) The data processing module judges the operation state of the distribution transformer according to the operation parameters of the distribution transformer: if the operation parameter of the distribution transformer exceeds a preset safety threshold, if so, the distribution transformer works in a dangerous state, and if the operation parameter of the distribution transformer exceeds a preset normal threshold and does not exceed the preset safety threshold, the distribution transformer works in a critical state;
(a3) when the distribution transformer works in a dangerous state, the protection device performs power-off protection on the distribution transformer, and when the distribution transformer works in a critical state, the protection device adjusts the operation parameters of the distribution transformer so that the operation parameters do not exceed a preset normal threshold value.
A monitoring method of a distribution transformer data monitoring system is based on the distribution transformer data monitoring system and comprises the following steps:
the monitoring terminal executes the following steps:
(a1) The detection device detects the operation parameters of the distribution transformer;
(a2) the data processing module judges the operation state of the distribution transformer according to the operation parameters of the distribution transformer: if the operation parameter of the distribution transformer exceeds a preset safety threshold, if so, the distribution transformer works in a dangerous state, and if the operation parameter of the distribution transformer exceeds a preset normal threshold and does not exceed the preset safety threshold, the distribution transformer works in a critical state;
(a3) when the distribution transformer works in a dangerous state, the protection device performs power-off protection on the distribution transformer, and when the distribution transformer works in a critical state, the protection device adjusts the operation parameters of the distribution transformer so that the operation parameters do not exceed a preset normal threshold;
(a4) the data processing module sends the operation parameters and the operation state data of the distribution transformer to the cloud server terminal;
the cloud server terminal executes the following steps:
(b1) The cloud server terminal receives and stores the operation parameters and the operation state data of the distribution transformer;
the remote monitoring terminal executes the following steps:
(c1) the remote monitoring terminal accesses the cloud server terminal in real time and acquires the operation parameters and the operation state data of the distribution transformer;
(c2) the remote monitoring terminal judges whether the running state of the distribution transformer is an abnormal state or not, and if so, an alarm is sent out.
compared with the prior art, the invention has the following advantages:
(1) the distribution transformer data monitoring terminal integrates acquisition, control, protection and communication, is used for solving the problems of protection, monitoring, coordination control and the like of the current distribution transformer and solving the problems that the automation degree of a distribution transformer area is low and the operation condition cannot be remotely monitored;
(2) the data monitoring system of the distribution transformer can carry out remote monitoring, effectively reduces the difficulty of equipment management and improves the efficiency.
Drawings
FIG. 1 is a block diagram of the overall configuration of a distribution transformer data monitoring terminal of the present invention;
FIG. 2 is a block diagram of a detailed structure of a distribution transformer data monitoring terminal according to the present invention;
FIG. 3 is a block diagram of the power manager of the present invention;
FIG. 4 is a block diagram of a distribution transformer data monitoring system according to the present invention;
FIG. 5 is a block diagram of the remote monitoring terminal according to the present invention;
FIG. 6 is a flow chart of a monitoring method of a distribution transformer data monitoring terminal according to the present invention;
fig. 7 is a flow chart of a monitoring method of the distribution transformer data monitoring system of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
example 1
As shown in fig. 1 and 2, a distribution transformer data monitoring terminal includes:
the detection device 11: the system is used for detecting the operating parameters of the distribution transformer;
the data processing module 12: the protection device is used for processing the operation parameters of the distribution transformer, judging the operation state of the distribution transformer and triggering the protection device 13 to act;
The protection device 13: the protection device is used for executing protection action on the distribution transformer when the running state of the distribution transformer is abnormal;
the power supply 14: for supplying power to the data processing module 12, a power supply 14 is connected to the data processing module 12 via a power manager 15.
the detection device 11 includes:
the voltage detection module 101: detecting voltage operating parameters of the distribution transformer and transmitting the voltage operating parameters to the data processing module 12;
the current detection module 102: detecting the current operation parameters of the distribution transformer and transmitting the current operation parameters to the data processing module 12;
temperature and humidity detection module 103: detecting temperature parameters and humidity parameters of the surrounding environment of the distribution transformer and transmitting the temperature parameters and the humidity parameters to the data processing module 12;
the condensation detection module 104: the condensation volume parameter around the distribution transformer is detected and transmitted to the data processing module 12. It should be noted that the condensation detection module 104 specifically uses a specific condensation sensor to detect condensation in the transformer or the device.
the protection device 13 includes:
the overvoltage and overcurrent protection module 106: the data processing module 12 is used for performing power-off operation on the distribution transformer when the voltage and current operation parameters of the distribution transformer are judged to exceed the safety threshold;
leakage protection module 107: for performing a power-off operation on the distribution transformer when the data processing module 12 detects a leakage of the distribution transformer.
the protection device 13 further comprises a parameter adjustment module: the parameter adjusting module comprises an on-load voltage regulating joint 108, an intelligent capacitor 109, a low-voltage main outgoing line switch 110 and a low-voltage branch line switch 111, and the on-load voltage regulating joint 108, the intelligent capacitor 109, the low-voltage main outgoing line switch 110 and the low-voltage branch line switch 111 are all connected to the distribution transformer.
The monitoring terminal further comprises a human-computer interaction module 105, the human-computer interaction module 105 is connected with the data processing module and comprises a keyboard and a display screen, the human-computer interaction module 105 is used for receiving the operation parameters in the data processing module and displaying the operation parameters on the display screen, and a control instruction is input to the data processing module through the keyboard to enable the data processing module to execute the control instruction.
As shown in fig. 3, the power manager includes a sampling filter circuit 401, a magnetic bias detection circuit 402, a DSP module 403, a CPLD module 404, an isolation driving circuit 405, a power amplification circuit 406, and a remote communication module 407, where the sampling filter circuit 401, the magnetic bias detection circuit 402, the power amplification circuit 406, and the remote communication module 407 are respectively connected with corresponding ports of the DSP module 403, the DSP module 403 is connected with the isolation driving circuit 405 through the CPLD module 404, and the isolation driving circuit 405 is connected with the data processing module.
as shown in fig. 4 and 5, a distribution transformer data monitoring system includes the above data monitoring terminals 1, and at least one of the data monitoring terminals 1, the system further includes:
cloud server terminal 2: acquiring the operation parameters and the operation state of the distribution transformer from the monitoring terminal in real time and storing the operation parameters and the operation state;
The remote monitoring terminal 3: and accessing the cloud server terminal 2 in real time, acquiring the operation parameters and the operation state of the distribution transformer, and giving an alarm when the operation state is abnormal.
the remote monitoring terminal 3 comprises a controller module 301, and a GSM module 302, an alarm module 303, a memory module 304, a display module 305, a clock module 306 and a data transceiver module 307 which are respectively connected with the controller module 301;
the GSM module 302: the system is used for connecting the cloud server terminal 2 through GPRS;
the clock module 306: for transmitting a clock signal to the controller module 301 such that the controller module 301 records the clock signal simultaneously with the operational parameters and operational status data of the distribution transformer;
the controller module 301: acquiring operation parameters and operation state data of a distribution transformer and analyzing to obtain an alarm signal;
the memory module 304: the system is used for storing the operating parameters and the operating state data of the distribution transformer;
The display module 305: the system is used for displaying the operating parameters and the operating state data of the distribution transformer;
the alarm module 303: for receiving alarm signals from the controller module 301 and alarming;
the data transceiver module 307: for receiving data from other devices and transmitting the data to the controller module 301 or sending data from the controller module 301 to other devices.
as shown in fig. 6, a monitoring method for a distribution transformer data monitoring terminal is based on the distribution transformer data monitoring terminal, and the method includes the following steps:
(a1) The detection device detects the operation parameters of the distribution transformer;
(a2) The data processing module judges the operation state of the distribution transformer according to the operation parameters of the distribution transformer: if the operation parameter of the distribution transformer exceeds a preset safety threshold, if so, the distribution transformer works in a dangerous state, and if the operation parameter of the distribution transformer exceeds a preset normal threshold and does not exceed the preset safety threshold, the distribution transformer works in a critical state;
(a3) When the distribution transformer works in a dangerous state, the protection device performs power-off protection on the distribution transformer, and when the distribution transformer works in a critical state, the protection device adjusts the operation parameters of the distribution transformer so that the operation parameters do not exceed a preset normal threshold value.
as shown in fig. 7, a monitoring method of a distribution transformer data monitoring system is based on the distribution transformer data monitoring system, and the method includes the following steps:
the monitoring terminal executes the following steps:
(a1) the detection device detects the operation parameters of the distribution transformer;
(a2) the data processing module judges the operation state of the distribution transformer according to the operation parameters of the distribution transformer: if the operation parameter of the distribution transformer exceeds a preset safety threshold, if so, the distribution transformer works in a dangerous state, and if the operation parameter of the distribution transformer exceeds a preset normal threshold and does not exceed the preset safety threshold, the distribution transformer works in a critical state;
(a3) when the distribution transformer works in a dangerous state, the protection device performs power-off protection on the distribution transformer, and when the distribution transformer works in a critical state, the protection device adjusts the operation parameters of the distribution transformer so that the operation parameters do not exceed a preset normal threshold;
(a4) the data processing module sends the operation parameters and the operation state data of the distribution transformer to the cloud server terminal;
the cloud server terminal executes the following steps:
(b1) the cloud server terminal receives and stores the operation parameters and the operation state data of the distribution transformer;
The remote monitoring terminal executes the following steps:
(c1) the remote monitoring terminal accesses the cloud server terminal in real time and acquires the operation parameters and the operation state data of the distribution transformer;
(c2) The remote monitoring terminal judges whether the running state of the distribution transformer is an abnormal state (a dangerous state or a critical state) or not, and if so, an alarm is given out (different alarm modes are adopted for the two states, if the running state is the dangerous state, an audible and visual alarm is carried out, and if the running state is the critical state, an optical alarm is carried out so as to distinguish the two states).
the invention provides a data monitoring terminal and an online monitoring system of a distribution transformer, which are used for solving the technical problem that the conventional distribution transformer detection device of a distribution network cannot perform real-time protection control. The data processing module 12 is powered by a power supply 14 and a power manager 15, and the detection device 11 is used for acquiring the operating parameters of the distribution transformer; detect through data processing module 12 whether distribution transformer's operating parameter surpasss predetermined threshold value (including dangerous state's threshold value and critical state's threshold value), if, then pass through protection device 12 is right distribution transformer includes (carries out power protection during dangerous state, then adjusts distribution transformer's operating parameter during critical state and makes it return normally), has realized distribution transformer's on-line monitoring and protection control from this, has solved current distribution network distribution transformer detection device 11 and can't carry out real-time protection control's technical problem.
the above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.

Claims (10)

1. a distribution transformer data monitoring terminal, comprising:
Detection device (11): the system is used for detecting the operating parameters of the distribution transformer;
data processing module (12): the protection device is used for processing the operation parameters of the distribution transformer, judging the operation state of the distribution transformer and triggering the protection device (13) to act;
protection device (13): the protection device is used for executing protection action on the distribution transformer when the running state of the distribution transformer is abnormal;
Power supply (14): the power supply is used for supplying power to the data processing module (12), and the power supply (14) is connected with the data processing module (12) through a power manager (15).
2. a distribution transformer data monitoring terminal according to claim 1, characterized in that said detecting means (11) comprises:
voltage detection module (101): detecting voltage operating parameters of the distribution transformer and transmitting the voltage operating parameters to a data processing module (12);
Current detection module (102): detecting current operating parameters of the distribution transformer and transmitting the current operating parameters to a data processing module (12);
Temperature and humidity detection module (103): detecting temperature parameters and humidity parameters of the surrounding environment of the distribution transformer and transmitting the temperature parameters and the humidity parameters to a data processing module (12);
A condensation detection module (104): the condensation volume parameter around the distribution transformer is detected and transmitted to a data processing module (12).
3. a distribution transformer data monitoring terminal according to claim 1, characterized in that said protection means (13) comprises:
Overvoltage overcurrent protection module (106): the power failure detection module is used for carrying out power failure operation on the distribution transformer when the data processing module (12) judges that the voltage and current operation parameters of the distribution transformer exceed the safety threshold value;
leakage protection module (107): the power-off operation is carried out on the distribution transformer when the data processing module (12) detects the leakage of the distribution transformer.
4. a distribution transformer data monitoring terminal according to claim 3, characterized in that said protection device (13) further comprises a parameter adjusting module: the parameter adjusting module comprises an on-load voltage regulating connector (108), an intelligent capacitor (109), a low-voltage main outgoing line switch (110) and a low-voltage branch line switch (111), and the on-load voltage regulating connector (108), the intelligent capacitor (109), the low-voltage main outgoing line switch (110) and the low-voltage branch line switch (111) are all connected to the distribution transformer.
5. The distribution transformer data monitoring terminal according to claim 1, wherein the power manager comprises a sampling filter circuit (401), a magnetic bias detection circuit (402), a DSP module (403), a CPLD module (404), an isolation driving circuit (405), a power amplification circuit (406) and a remote communication module (407), the sampling filter circuit (401), the magnetic bias detection circuit (402), the power amplification circuit (406) and the remote communication module (407) are respectively connected with corresponding ports of the DSP module (403), the DSP module (403) is connected with the isolation driving circuit (405) through the CPLD module (404), and the isolation driving circuit (405) is connected with the data processing module.
6. the distribution transformer data monitoring terminal according to claim 1, characterized in that the monitoring terminal further comprises a human-computer interaction module (105), the human-computer interaction module (105) is connected with the data processing module, the human-computer interaction module comprises a keyboard and a display screen, the human-computer interaction module (105) is configured to receive the operating parameters in the data processing module and display the operating parameters on the display screen, and input a control command to the data processing module through the keyboard so that the data processing module executes the control command.
7. a distribution transformer data monitoring system, comprising the data monitoring terminals of any one of claims 1 to 6, at least one of the data monitoring terminals, the system further comprising:
cloud server terminal (2): acquiring the operation parameters and the operation state of the distribution transformer from the monitoring terminal in real time and storing the operation parameters and the operation state;
Remote monitoring terminal (3): and accessing the cloud server terminal (2) in real time, acquiring the operation parameters and the operation state of the distribution transformer, and giving an alarm when the operation state is abnormal.
8. the distribution transformer data monitoring system according to claim 7, wherein the remote monitoring terminal (3) comprises a controller module (301) and a GSM module (302), an alarm module (303), a memory module (304), a display module (305), a clock module (306) and a data transceiver module (307) respectively connected with the controller module (301);
GSM module (302): the system is used for connecting the cloud server terminal (2) through GPRS;
clock module (306): for transmitting a clock signal to the controller module (301) such that the controller module (301) records the operating parameters and operating status data of the distribution transformer together with the clock signal;
Controller module (301): acquiring operation parameters and operation state data of a distribution transformer and analyzing to obtain an alarm signal;
memory module (304): the system is used for storing the operating parameters and the operating state data of the distribution transformer;
Display module (305): the system is used for displaying the operating parameters and the operating state data of the distribution transformer;
alarm module (303): the alarm module is used for receiving an alarm signal from the controller module (301) and giving an alarm;
the data transceiver module 307: used for receiving data of other devices and transmitting the data to the controller module (301) or sending the data from the controller module (301) to other devices.
9. a monitoring method of a distribution transformer data monitoring terminal, which is based on the distribution transformer data monitoring terminal of any claim 1-6, and comprises the following steps:
(a1) The detection device detects the operation parameters of the distribution transformer;
(a2) the data processing module judges the operation state of the distribution transformer according to the operation parameters of the distribution transformer: if the operation parameter of the distribution transformer exceeds a preset safety threshold, if so, the distribution transformer works in a dangerous state, and if the operation parameter of the distribution transformer exceeds a preset normal threshold and does not exceed the preset safety threshold, the distribution transformer works in a critical state;
(a3) When the distribution transformer works in a dangerous state, the protection device performs power-off protection on the distribution transformer, and when the distribution transformer works in a critical state, the protection device adjusts the operation parameters of the distribution transformer so that the operation parameters do not exceed a preset normal threshold value.
10. a monitoring method of a distribution transformer data monitoring system, which is based on the distribution transformer data monitoring system of any claim 7-8, the method comprises the following steps:
The monitoring terminal executes the following steps:
(a1) the detection device detects the operation parameters of the distribution transformer;
(a2) The data processing module judges the operation state of the distribution transformer according to the operation parameters of the distribution transformer: if the operation parameter of the distribution transformer exceeds a preset safety threshold, if so, the distribution transformer works in a dangerous state, and if the operation parameter of the distribution transformer exceeds a preset normal threshold and does not exceed the preset safety threshold, the distribution transformer works in a critical state;
(a3) when the distribution transformer works in a dangerous state, the protection device performs power-off protection on the distribution transformer, and when the distribution transformer works in a critical state, the protection device adjusts the operation parameters of the distribution transformer so that the operation parameters do not exceed a preset normal threshold;
(a4) the data processing module sends the operation parameters and the operation state data of the distribution transformer to the cloud server terminal;
The cloud server terminal executes the following steps:
(b1) the cloud server terminal receives and stores the operation parameters and the operation state data of the distribution transformer;
The remote monitoring terminal executes the following steps:
(c1) the remote monitoring terminal accesses the cloud server terminal in real time and acquires the operation parameters and the operation state data of the distribution transformer;
(c2) The remote monitoring terminal judges whether the running state of the distribution transformer is an abnormal state or not, and if so, an alarm is sent out.
CN201910930550.6A 2019-09-29 2019-09-29 Distribution transformer data monitoring terminal, monitoring system and monitoring method Pending CN110556923A (en)

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Cited By (6)

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CN111262343A (en) * 2020-03-23 2020-06-09 国网河北省电力有限公司邯郸市永年区供电分公司 Thing networking transformer protection device
CN113189525A (en) * 2021-03-31 2021-07-30 湖南小快智造电子科技有限公司 Intelligent monitoring terminal and system for transformer
CN113472080A (en) * 2021-07-30 2021-10-01 王雪梅 Power distribution automatic monitoring method and device and electronic equipment
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CN114093149A (en) * 2021-12-28 2022-02-25 广东康德威电气股份有限公司 Distribution transformer monitoring alarm method and device
WO2023184949A1 (en) * 2022-03-28 2023-10-05 广东电网有限责任公司江门供电局 Electromagnetic monitoring-based apparatus and method for monitoring hot plug module of distribution terminal

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CN113189525A (en) * 2021-03-31 2021-07-30 湖南小快智造电子科技有限公司 Intelligent monitoring terminal and system for transformer
CN113588932A (en) * 2021-07-29 2021-11-02 哈尔滨理工大学 Pyrolysis product monitoring device and method based on P-Q regression model of phenolic resin low-temperature pyrolysis gas
CN113472080A (en) * 2021-07-30 2021-10-01 王雪梅 Power distribution automatic monitoring method and device and electronic equipment
CN113472080B (en) * 2021-07-30 2023-10-20 北京中芯标准科技有限公司 Automatic power distribution monitoring method and device and electronic equipment
CN114093149A (en) * 2021-12-28 2022-02-25 广东康德威电气股份有限公司 Distribution transformer monitoring alarm method and device
CN114093149B (en) * 2021-12-28 2024-04-05 广东康德威电气股份有限公司 Distribution transformer monitoring alarm method and device
WO2023184949A1 (en) * 2022-03-28 2023-10-05 广东电网有限责任公司江门供电局 Electromagnetic monitoring-based apparatus and method for monitoring hot plug module of distribution terminal

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