CN110849417A - Wireless oil filtering monitoring system for transformer - Google Patents
Wireless oil filtering monitoring system for transformer Download PDFInfo
- Publication number
- CN110849417A CN110849417A CN201911147261.5A CN201911147261A CN110849417A CN 110849417 A CN110849417 A CN 110849417A CN 201911147261 A CN201911147261 A CN 201911147261A CN 110849417 A CN110849417 A CN 110849417A
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- China
- Prior art keywords
- oil filter
- data
- communication module
- control platform
- sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- 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
Abstract
The invention discloses a wireless oil filtering monitoring system for a transformer, which comprises an embedded communication module, a monitoring control platform, a sensor and a sensor, wherein the sensor is arranged on a vacuum oil filter, the sensor is used for acquiring measurement data and outputting the measurement data to the embedded communication module, namely the working state and the working process of the vacuum oil filter are reflected by the measurement data; the embedded communication module is used for carrying out primary arrangement on the measurement data and transmitting the test data to the monitoring control platform through the wireless base station, so that the test data can be simultaneously uploaded to the monitoring control platform through field monitoring so as to be convenient for remote monitoring; the monitoring control platform receives data, forms a database, calculates and processes the data, feeds back the data, finds out the abnormality, sends an abnormal signal, outputs a control signal according to the abnormal signal, sends the control signal, solves the problem that a large amount of manpower and material resources are consumed by personnel on duty in the oil filtering process of the transformer, and meanwhile ensures that the abnormality can be found and processed in time by unattended operation.
Description
Technical Field
The invention relates to the technical field of oil filters, in particular to a wireless oil filtering monitoring system for a transformer.
Background
The vacuum oil filter is installed on a transformer for a long time, a large amount of manpower and material resources are wasted due to the arrangement of personnel on duty, and problems cannot be found timely and cannot be processed timely due to unattended operation, so that the problem is solved in a remote monitoring mode.
The remote monitoring client software of the existing vacuum oil filter can only run on a Windows operating system, and related data can be acquired or controlled only when a PC client is connected with an embedded controller of the existing vacuum oil filter through a network.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the wireless oil filtering system of the transformer, which is unattended and convenient for remote monitoring.
The invention is realized by the following technical measures, comprising an embedded communication module, a monitoring control platform and a sensor arranged on a vacuum oil filter;
the sensor acquires measurement data and outputs the measurement data to the embedded communication module;
the embedded communication module is used for carrying out primary arrangement on the measurement data, transmitting the test data to the monitoring control platform through a wireless base station, and acquiring feedback data of the monitoring control platform and a control signal input by the monitoring control platform; sending a control instruction to a vacuum oil filter;
the monitoring control platform comprises a data processing module, a data processing module and a data processing module, wherein the data processing module is used for receiving data, forming a database, performing calculation processing, finding an abnormality and sending an abnormal signal; the device comprises a control module, a feedback module, a control module and a control module, wherein the control module feeds back data, outputs a control signal according to an abnormal signal and sends the control signal.
Further, the monitoring control platform comprises a mobile terminal or a PC terminal, and the mobile terminal or the PC terminal is used for receiving feedback data and alarm and abnormal signals of the monitoring control platform; and outputting the control signal.
Furthermore, a measured value output by the sensor is accessed to the embedded communication module in an RS485 serial port protocol mode, the RS485 serial port is used as a Modbus RTU host, the embedded communication module can continuously and actively poll the slave equipment according to the Modbus RTU protocol, and the value of a register in the slave equipment is read into a mapping area of the vacuum oil filter for storage.
Furthermore, the embedded communication module supports automatic active connection with the monitoring control platform through a GPRS or 3G or 4G network.
Further, the sensor comprises a temperature sensor, and the temperature sensor is installed at an oil inlet and an oil outlet of the vacuum oil filter and used for acquiring parameters such as oil temperature of the oil inlet, ambient temperature and temperature of the heater.
Further, the sensor comprises a flow speed and flow sensor, and the flow speed and flow sensor is installed in an oil filtering pipeline of the vacuum oil filter and used for acquiring oil flow speed and flow parameters of the oil filter.
Further, the sensor comprises an oil pressure sensor, and the oil pressure sensor is installed in an oil filtering pipeline of the vacuum oil filter and used for collecting oil pressure parameters of the oil filter.
Further, the sensor comprises a vacuum gauge which is arranged in the vacuum separator and used for collecting vacuum degree parameters.
The invention provides a wireless oil filtering monitoring system for a transformer, wherein a sensor acquires measurement data and outputs the measurement data to an embedded communication module, namely the measurement data reflects the working state and the working process of a vacuum oil filter; the embedded communication module is used for carrying out primary arrangement on the measurement data and transmitting the test data to the monitoring control platform through the wireless base station, so that the test data can be simultaneously uploaded to the monitoring control platform through field monitoring so as to be convenient for remote monitoring; the monitoring control platform receives data, forms a database, performs calculation processing, feeds back the data, simultaneously finds out an abnormality, sends out an abnormal signal, outputs a control signal according to the abnormal signal, and sends out the control signal, so that the problem that a large amount of manpower and material resources are consumed by arranging personnel on duty in the oil filtering process of the transformer is solved, and meanwhile, the unattended operation can be ensured to find out and process the abnormality in time; secondly, the monitoring control platform can carry out data interaction with a mobile terminal or a PC end, the selectivity is stronger and more convenient in the use of different scenes, and the practicability of the remote monitoring function of the vacuum oil filter is stronger.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention;
fig. 2 is a front view of an embedded communication module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an embedded communication module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a vacuum oil filter according to an embodiment of the present invention.
Number and name in the figure: 1. embedded communication module 2, guide rail connecting piece 3, vacuum oil filter
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
A wireless oil filtering monitoring system of a transformer comprises an embedded communication module 1, a monitoring control platform and a sensor arranged on a vacuum oil filter 3, wherein a temperature sensor is arranged at an inlet and an outlet of the vacuum oil filter 3 and used for acquiring parameters such as oil temperature of an oil inlet, ambient temperature and heater temperature; the oil filtering pipeline is internally provided with a flow velocity and flow sensor and an oil pressure sensor and is used for acquiring oil flow velocity, flow parameters and oil pressure parameters of the oil filter; the vacuum separator is provided with a vacuum gauge for acquiring vacuum degree parameters.
As shown in fig. 1, the sensor outputs measured oil temperature, ambient temperature, oil pressure, flow rate, and other parameter data to the embedded communication module 1, and the embedded communication module 1 performs primary sorting on the measured data and transmits the measured data to the monitoring control platform through the wireless base station.
Specifically, a measured value output by the sensor is accessed to the embedded communication module 1 in an RS485 serial port protocol form, when the purpose of the RS485 serial port is selected as a Modbus RTU host, the embedded communication module 1 will continuously and actively poll the slave device according to the Modbus RTU protocol, read the value of the register in the slave device into the mapping area of the device for storage, map the register in the slave device into the device, and read and write the mapping register of the device, and directly transmit the value to the slave device through the RS485 serial port. The address of the slave machine register is in one-to-one correspondence with the address of the mapping register in the equipment. The existing online oil filter in the market is based on a C/S (client/server) framework with an embedded controller as a server, data is stored in the embedded controller, and relevant data can be acquired or controlled only when a PC (personal computer) client is connected with the embedded controller; the wireless oil filtering system of the transformer uses the mode of the mapping register, has lower requirements on the size, power consumption and cost of embedded equipment for the existing architecture, and solves the problems that the existing architecture needs to highly cut software and hardware of the system, has limited data processing and analyzing capacity, small data supply amount and difficult function expansion.
In this embodiment, the embedded communication module 1 is installed on the vacuum oil filter 3, as shown in fig. 2 and 3, and is fixed to the vacuum oil filter 3 through a threaded connection, and a guide rail connector 2 may also be installed on the back surface of the embedded communication module to fix the embedded communication module on the guide rail, so as to facilitate disassembly, assembly and debugging. The embedded communication module 1 supports automatic active connection with a monitoring control platform through a GPRS/3G/4G network, namely, the monitoring control platform is actively connected with a server or an SCADA system or establishes a TCP link with a cloud platform and comprises a data processing module, the data processing module receives data, forms a database, performs calculation processing and comparison analysis, and meanwhile, finds an abnormality, gives an alarm to a mobile terminal or a PC terminal and sends an abnormal signal; the control module is used for feeding back data to the embedded communication module 1 and the mobile terminal, a user outputs a control signal through the mobile terminal or the PC terminal, when the user fails to timely handle the abnormity, the control module triggers a preset task according to the abnormity signal, sends a control instruction to the embedded communication module 1, and is linked with relevant equipment to handle the abnormity, so that automatic tracking monitoring and remote control of the vacuum oil filter 3 are completed.
Specifically, the user may customize the handshake protocol (registration packet), heartbeat packet, and other parameters according to the access verification characteristics of the monitoring control platform, i.e., the server or the cloud platform. After the TCP link is established, the server, the SCADA or the cloud platform can send a Modbus TCP instruction or a Modbus RTU instruction to the equipment to perform Modbus TCP communication.
Furthermore, the monitoring control platform has a configuration function, can acquire data information of the oil filtering process of the vacuum oil filter 3, displays the data information in a graphical and tabulated mode which is easier to understand through a display interface of the embedded communication module 1 or through the mobile terminal and the PC terminal, finds abnormality and sends an abnormal signal, and achieves the purpose of remote monitoring anytime and anywhere through the mobile terminal, namely mobile phone WeChat terminal alarm, mobile phone short message notification, e-mail push or telephone alarm, so that timeliness is enhanced, and use is convenient.
In this embodiment, the system has a plurality of editable functions.
Specifically, a key insertion function is included: the equipment of the system is accessed to a cloud platform by default when leaving a factory, and can be accessed by one-key scanning of APP (application), so that data acquisition and control of the equipment are realized; the device grouping function is included: supporting the grouping display of all the linkage equipment of the system; the GIS map display function is included: displaying the position of each device, and recording the running track of each device; the method comprises the following steps of: presetting trigger conditions, supporting trigger conditions such as upper and lower limit triggering, delay confirmation alarming, equipment disconnection, comprehensive judgment of a plurality of data and the like, and a function of mass-sending alarm information when the trigger conditions are met; the method comprises various alarm modes, and abnormal information and alarm information can be pushed through telephone/short message/mail/WeChat/APP; the linkage control function is included: presetting a trigger condition, and controlling related equipment in a linkage manner when the trigger condition is reached; the method comprises the following steps of timing tasks: the method is characterized in that various timing tasks are enriched to manage the equipment, and timing modes such as daily, weekly and fixed time intervals are supported; the method comprises a historical data query function: the query display of historical data such as sensor data, equipment on-line and off-line, equipment alarm, equipment control and the like is supported, and the historical data can be displayed through a chart or a list; the historical data derivation function is included: supporting the download export of historical data in the EXCEL format.
The above is an illustration of the wireless oil filter monitoring system of the transformer of the present invention for helping understanding of the present invention, but the implementation manner of the present invention is not limited by the above-mentioned embodiments, and any changes, modifications, substitutions, combinations, and simplifications which do not depart from the principle of the present invention should be replaced by equivalents, and all are included in the protection scope of the present invention.
Claims (8)
1. A wireless oil filtering monitoring system of a transformer is characterized by comprising an embedded communication module, a monitoring control platform and a sensor installed on a vacuum oil filter;
the sensor acquires measurement data and outputs the measurement data to the embedded communication module;
the embedded communication module is used for carrying out primary arrangement on the measurement data, transmitting the test data to the monitoring control platform and acquiring feedback data of the monitoring control platform and a control signal input by the monitoring control platform; sending a control instruction to a vacuum oil filter;
the monitoring control platform comprises a data processing module, a data processing module and a data processing module, wherein the data processing module is used for receiving data, forming a database, performing calculation processing, finding an abnormality and sending an abnormal signal; the control module is used for feeding back data, outputting a control signal according to the abnormal signal and sending a control instruction.
2. The wireless oil filter monitoring system of the transformer according to claim 1, comprising a mobile terminal or a PC terminal for receiving the feedback data and the alarm and abnormal signals of the monitoring control platform; and outputting the control signal.
3. The wireless oil filter monitoring system of claim 2, wherein the measurement data output by the sensor is accessed to the embedded communication module in an RS485 serial port protocol, the RS485 serial port is used as a Modbus RTU host, the embedded communication module can continuously and actively poll a slave device according to the Modbus RTU protocol, and the value of a register in the slave device is read into the mapping area of the vacuum oil filter for storage.
4. The wireless oil filter monitoring system of claim 2, wherein the embedded communication module supports automatic active connection with the monitoring control platform through a GPRS or 3G or 4G network.
5. The wireless oil filter monitoring system of claim 1, wherein the sensors comprise temperature sensors mounted at an oil inlet and an oil outlet of the vacuum oil filter for collecting parameters such as oil temperature of the oil inlet, ambient temperature, and heater temperature.
6. A wireless oil filter monitoring system for transformers according to claim 1, wherein the sensors comprise a flow rate and flow sensor installed in the oil filter pipeline of the vacuum oil filter for collecting oil flow speed and flow parameters of the oil filter.
7. The wireless oil filter monitoring system of claim 1, wherein the sensor comprises an oil pressure sensor mounted in an oil filter pipeline of the vacuum oil filter for collecting oil pressure parameters of the oil filter.
8. The wireless oil filter monitoring system of claim 1, wherein the sensor comprises a vacuum gauge mounted in the vacuum separator for collecting vacuum level parameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911147261.5A CN110849417A (en) | 2019-11-20 | 2019-11-20 | Wireless oil filtering monitoring system for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911147261.5A CN110849417A (en) | 2019-11-20 | 2019-11-20 | Wireless oil filtering monitoring system for transformer |
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| Publication Number | Publication Date |
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| CN110849417A true CN110849417A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911147261.5A Pending CN110849417A (en) | 2019-11-20 | 2019-11-20 | Wireless oil filtering monitoring system for transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197805A (en) * | 2020-09-04 | 2021-01-08 | 上海送变电工程有限公司 | Sensing layer device and monitoring system for electric power construction equipment |
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- 2019-11-20 CN CN201911147261.5A patent/CN110849417A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197805A (en) * | 2020-09-04 | 2021-01-08 | 上海送变电工程有限公司 | Sensing layer device and monitoring system for electric power construction equipment |
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