CN109188157A - Transformer load monitoring device and application method - Google Patents
Transformer load monitoring device and application method Download PDFInfo
- Publication number
- CN109188157A CN109188157A CN201811368543.3A CN201811368543A CN109188157A CN 109188157 A CN109188157 A CN 109188157A CN 201811368543 A CN201811368543 A CN 201811368543A CN 109188157 A CN109188157 A CN 109188157A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 23
- 239000003550 marker Substances 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 230000005055 memory storage Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
本发明涉及变压器监控技术领域，是一种变压器负荷监控装置及使用方法，前者包括变压器测量装置和监控终端，变压器测量装置包括继电器控制电路、电源模块、无线通信模块、微处理器、用于测量变压器低压侧电流的电流互感器、测量变压器温度的温度传感器，继电器控制电路包括断路器、继电器和控制开关，控制开关、电流互感器和温度传感器均与微处理器连接，电源模块分别与无线通信模块和微处理器连接，微处理器通过无线通信模块与监控终端连接。本发明实现了对变压器的实时监控，结合APP的应用，可以实现现场变压器的快速集中和实时采集，获得变压器的实时监控数据，为提高客户及维护人员的工作效率而提供良好的数据支持。
The invention relates to the technical field of transformer monitoring, and relates to a transformer load monitoring device and a method for using it. The former includes a transformer measuring device and a monitoring terminal, and the transformer measuring device includes a relay control circuit, a power supply module, a wireless communication module, and a microprocessor, which is used for measuring The current transformer for the low-voltage side current of the transformer, the temperature sensor for measuring the temperature of the transformer, the relay control circuit includes circuit breakers, relays and control switches, the control switches, current transformers and temperature sensors are all connected with the microprocessor, and the power modules communicate with wireless The module is connected with the microprocessor, and the microprocessor is connected with the monitoring terminal through the wireless communication module. The invention realizes the real-time monitoring of the transformer, and combined with the application of the APP, can realize the rapid centralized and real-time acquisition of the on-site transformer, obtain the real-time monitoring data of the transformer, and provide good data support for improving the work efficiency of customers and maintenance personnel.
Description
Technical field
It is a kind of transformer load monitoring device and application method the present invention relates to transformer control technical field.
Background technique
Currently, being continuously improved as resident living modernizes, household electrical appliance are continuously increased, " air-conditioning " of summer day, winter
" electric heating " be all high-power electric appliance, in present rural area also popularize electric heating, cause public area's load fluctuation and increase compared with
Fastly, heavy duty and full load conditions are easy to appear.The breaker sensitivity for being mounted on low-voltage platform area now is not high, and it is whole that there are instantaneous trips
Definite value is larger, and value is 10 times of rated current, and when failed shorted value is less than transformer load monitoring device, breaker cannot be cut
Except fault point, electrical equipment is be easy to cause to damage.
Summary of the invention
The present invention provides a kind of transformer load monitoring device and application method, overcome the above-mentioned prior art no
Foot, after can effectively solve existing transformer overload or short circuit, the breaker connecting with transformer cannot be cut off in time,
The problem of being easy to cause transformer damage.
Technical solution of the present invention first is that being realized by following measures: the transformer load monitoring device, including
Transformer measuring device and monitor terminal, the transformer measuring device include control relay circuit, power module, channel radio
Believe the temperature sensing of module, microprocessor, the current transformer for measuring transformer low-pressure side electric current, measuring transformer temperature
Device, control relay circuit include breaker, relay and control switch, the low-pressure side electricity of breaker first position and transformer
Connection, the breaker second position is electrically connected with relay normally open contact first position, the relay normally open contact second position and after
The electrical connection of electric apparatus coil first position, the relay coil second position are electrically connected with control switch, control switch, current transformer
It is connect with microprocessor with temperature sensor, power module is connect with wireless communication module and microprocessor respectively, to be used for
Operating voltage is provided, module is connect microprocessor with monitor terminal by wireless communication.
Here is further optimization or/and improvement of one of the above technical solutions of the invention:
Above-mentioned further includes server, microprocessor by wireless communication module by the temperature data of the different periods of real-time monitoring and
Current data is sent to server memory storage.
Above-mentioned monitor terminal is the mobile phone or tablet computer for being equipped with transformer control APP.
Above-mentioned wireless communication module is the 4G SIM card being mounted in transformer measuring device.
Above-mentioned further includes alarm module, and microprocessor is connect with alarm module.
Technical solution of the present invention second is that being realized by following measures: the use of the transformer load monitoring device
Method includes the steps that the step of using transformer control APP to carry out real-time monitoring and alarm push to transformer measuring device,
Wherein:
The step of real-time monitoring is carried out to transformer measuring device using transformer control APP:
S101: the transformer control APP installed on monitor terminal is opened, network attached server is passed through；
S102: module sends the life for reading current transformer measuring device and numbering to microprocessor to server by wireless communication
It enables；
S103: microprocessor by wireless communication module to server send current transformer measuring device number, server
Refresh the temperature data and current data of the current transformer measuring device of storage according to the number of current transformer measuring device；
S104: the data of server circulation current transformer measuring device simultaneously refresh marker bit, according to the number of marker bit after refreshing
Data are needed accordingly according to reading, and update the data of server storage；
S105: the display page is refreshed according to database data, shows real time data on transformer control APP；
The step of alarm push:
S201: it is abnormal that microprocessor generates alarm；
S202: the alarm refresh bit of the transformer measuring device of the different numbers stored in server is corresponding to be updated；
S203: server confirms the warning message of each transformer measuring device according to alarm refresh bit；
S204: server pushes warning message to transformer control APP, prompts user and administrator；
S205: server generates alarm logging.
The present invention realizes the real time monitoring to transformer, and in conjunction with the application of APP, the quick of live transformer may be implemented
Collection neutralizes acquisition in real time, obtains the real-time monitoring data of transformer, provides research on remote fault diagnosis technology material base, is client
The working efficiency of use habit, equipment quality stability and maintenance personnel provides good data and supports；Maintenance personnel uses change
Depressor monitors APP, it may not be necessary to which the working condition at scene can be monitored by coming to severe site environment personally, be completed to parameter
Setting and adjustment, make equipment management, maintenance it is more convenient；The administrative staff positioned at strange land can be made to obtain by network
Remote monitoring data is analyzed and processed, and realizes long-range monitoring, it is succinct it is understandable, easy to operate, efficiency is higher, while being report
Alert information alert, unit exception feedback processing provide real time monitoring and ensure, user and administrative staff is allowed to understand equipment shape in time
State, the convenient operating condition to transformer carry out targetedly maintenance and management.
Detailed description of the invention
Attached drawing 1 is the electric control block diagram of the embodiment of the present invention 1.
Attached drawing 2 is the circuit diagram of the control relay circuit of the embodiment of the present invention 1.
Attached drawing 3 is the method flow diagram of the embodiment of the present invention 2.
Attached drawing 4 is the flow chart of the data real-time monitoring of the embodiment of the present invention 2.
Attached drawing 5 is the flow chart of the alarm push of the embodiment of the present invention 2.
Number in attached drawing is as follows: KS is breaker, and KM is relay coil, and KM1 is relay normally open contact, and K is control
System switch.
Specific embodiment
The present invention is not limited by the following examples, can determine according to the technique and scheme of the present invention with actual conditions specific
Embodiment.
Below with reference to examples and drawings, the invention will be further described:
Embodiment 1: as shown in attached drawing 1,2, a kind of transformer load monitoring device, including transformer measuring device and monitoring are eventually
End, the transformer measuring device include control relay circuit, power module, wireless communication module, microprocessor, for surveying
The current transformer of step down side electric current, the temperature sensor of measuring transformer temperature are measured, control relay circuit includes
Breaker KS, relay and control switch K, the first position breaker KS are electrically connected with the low-pressure side of transformer, breaker KS
Two positions are electrically connected with the first position relay normally open contact KM1, the second position relay normally open contact KM1 and relay coil
The electrical connection of the first position KM, the second position relay coil KM is electrically connected with control switch K, control switch K, current transformer and
Temperature sensor is connect with microprocessor, and power module is connect with wireless communication module and microprocessor respectively, microprocessor
Module is connect with monitor terminal by wireless communication.
Above-mentioned monitor terminal is used to receive the temperature data of microprocessor transmission and the real-time current of step down side, micro-
Processor judge real time temperature and real-time current whether be more than setting transformer high-temperature threshold and high current threshold value, if
Be has been more than high-temperature threshold and high current threshold value simultaneously, and microprocessor, which sends control signal, disconnects control switch K, relay
Coil KM power loss burns out to avoid transformer because electric current is excessively high to cut off the connection of breaker KS and transformer, and work people
Member checks data by monitor terminal, then staff checks realtime curve situation using monitor terminal.
Above-mentioned current transformer may include three pincerlike current transformers, and split core type current transformer is clipped in respectively when use
On the A phase, B phase, C phase line connecting with step down side, three pincerlike current transformers measure A phase, B phase, C phase respectively
Running current load.
Microprocessor can be the MCU chip for being built-in with A/D sample circuit and real-time clock module, be adopted as the A/D built in it
Sample circuit acquires the temperature signal of current signal and transformer on A phase, B phase, C phase line, and real-time clock module is for when recording
Between.
Above-mentioned temperature sensor is provided with NTC thermistor type general-purpose interface, convenient for connecting with MCU chip.
Above-mentioned transformer load monitoring device can be made further optimization and/or improvements according to actual needs:
Further include server as shown in attached drawing 1,2, microprocessor by wireless communication module by the different periods of real-time monitoring
Temperature data and current data are sent to server memory storage.
As shown in attached drawing 1,2, monitor terminal is the mobile phone or tablet computer for being equipped with transformer control APP.According to reality
The needs of on-site supervision, a server can be used for storing the real time temperature data and electric current of multiple transformer measuring device monitorings
Data, and each transformer measuring device is subjected to platform area number, facilitate staff to extract and consults.
As shown in attached drawing 1,2, wireless communication module is the 4G SIM card being mounted in transformer measuring device.
It further include alarm module as shown in attached drawing 1,2, microprocessor is connect with alarm module.
Above-mentioned alarm module can be combined aural and visual alarm.In actual work, if the real time temperature number that microprocessor receives
Excessive according to high and step down side real-time current, then microprocessor sends alarm signal, alarm module hair to alarm module
It alarms out sound and light signal, field personnel is prompted to pay attention to.
Embodiment 2: as shown in Fig. 3,4,5, the application method of the transformer load monitoring device, including transformer is used to supervise
The step of controlling the step of APP carries out real-time monitoring to transformer measuring device and alarm push, in which:
The step of real-time monitoring is carried out to transformer measuring device using transformer control APP:
S101: the transformer control APP installed on monitor terminal is opened, network attached server is passed through；
S102: module sends the life for reading current transformer measuring device and numbering to microprocessor to server by wireless communication
It enables；
S103: microprocessor by wireless communication module to server send current transformer measuring device number, server
Refresh the temperature data and current data of the current transformer measuring device of storage according to the number of current transformer measuring device；
S104: the data of server circulation current transformer measuring device simultaneously refresh marker bit, according to the number of marker bit after refreshing
Data are needed accordingly according to reading, and update the data of server storage；
S105: the display page is refreshed according to database data, shows real time data on transformer control APP；
The step of alarm push:
S201: it is abnormal that microprocessor generates alarm；
S202: the alarm refresh bit of the transformer measuring device of the different numbers stored in server is corresponding to be updated；
S203: server confirms the warning message of each transformer measuring device according to alarm refresh bit；
S204: server pushes warning message to transformer control APP, prompts user and administrator；
S205: server generates alarm logging.
The above technical features constitute embodiments of the present invention, can basis with stronger adaptability and implementation result
Actual needs increases and decreases non-essential technical characteristic, to meet the needs of different situations.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368543.3A CN109188157A (en) | 2018-11-16 | 2018-11-16 | Transformer load monitoring device and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368543.3A CN109188157A (en) | 2018-11-16 | 2018-11-16 | Transformer load monitoring device and application method |
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| CN109188157A true CN109188157A (en) | 2019-01-11 |
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| CN201811368543.3A Pending CN109188157A (en) | 2018-11-16 | 2018-11-16 | Transformer load monitoring device and application method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 | An IoT transformer protection device |
| CN111257678A (en) * | 2020-03-02 | 2020-06-09 | 山东电力设备有限公司 | Transformer running state monitoring terminal and monitoring method |
| CN119292364A (en) * | 2024-12-13 | 2025-01-10 | 盈德气体工程(浙江)有限公司 | A method and system for preventing temperature jump control |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111257678A (en) * | 2020-03-02 | 2020-06-09 | 山东电力设备有限公司 | Transformer running state monitoring terminal and monitoring method |
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| CN119292364A (en) * | 2024-12-13 | 2025-01-10 | 盈德气体工程(浙江)有限公司 | A method and system for preventing temperature jump control |
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Application publication date: 20190111 |
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