CN205091407U - Power transformer running state monitoring system - Google Patents
Power transformer running state monitoring system Download PDFInfo
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- CN205091407U CN205091407U CN201520861311.7U CN201520861311U CN205091407U CN 205091407 U CN205091407 U CN 205091407U CN 201520861311 U CN201520861311 U CN 201520861311U CN 205091407 U CN205091407 U CN 205091407U
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Abstract
The utility model provides a power transformer running state monitoring system, including data acquisition unit, wireless transmission unit, communication bus and monitoring platform, the wireless transmission unit is including being no less than two terminal node, being no less than router node and a coordinator node of two, terminal node, router node and coordinator node connect gradually, the data acquisition unit is connected with terminal node, the coordinator node passes through communication bus and is connected with the monitoring platform, the data acquisition unit includes sensor and signal conditioning circuit, the output of sensor and signal conditioning circuit's input are connected. The utility model provides an in the transformer substation signal line arrangement and change difficulty and monitoring system's upgrading, the inconvenient problem of extension.
Description
Technical field
The utility model relates to running state of transformer monitoring field, especially relates to a kind of Operation Condition of Power Transformers monitoring system.
Background technology
Electric power is as the basic industry of relation economy, the people's livelihood, its safety, reliability service are very important, wherein the safety of electric power facility self, stable operation affect the importance that power system safety and stability runs, and transformer is as the important electrical in electric system, will serious loss be caused once have an accident and need the long period to go to repair.For a long time, in electric system, the modes such as correction maintenance, the maintenance of prevention type and scheduled overhaul are mainly adopted to the operation and maintenance of transformer in transformer station, but these maintenance modes all unavoidably also exist some drawbacks.Along with the development of electric system, power equipment is changed to repair based on condition of component gradually by prophylactic repair and has become a kind of development trend, so the on-line monitoring system of equipment just arises at the historic moment, therefore online Real-Time Monitoring is carried out for significant electrical network to the state of transformer.
Existing comprehensive automation system of transformer substation is all generally communicated by wired medium, such as electric wire, optical cable etc., communication media connects by physics the restriction all will connected up on the spot, and substation equipment quantity is many, thus signal is various, the layout of circuit and change difficulty, upgrading, the expansion of network are inconvenient, and installation and maintenance are also very complicated.This brings inconvenience to comprehensive wiring and maintenance and inspection, and the amount of installation work is simultaneously large, maintenance cost is higher.
Utility model content
In view of this, the purpose of this utility model is for the deficiencies in the prior art, provides a kind of Operation Condition of Power Transformers monitoring system, solves the problem that the upgrading of difficulty and monitoring system, expansion inconvenience were arranged and changed to signal line in transformer station.
For achieving the above object, the utility model by the following technical solutions:
A kind of Operation Condition of Power Transformers monitoring system, comprises data acquisition unit, wireless transmission unit, communication bus and monitoring platform; Described wireless transmission unit comprise be no less than two terminal node, be no less than router node and a coordinator node of two, described terminal node, router node are connected successively with coordinator node, described data acquisition unit is connected with terminal node, described coordinator node is connected with monitoring platform by communication bus, described data acquisition unit comprises sensor and signal conditioning circuit, and the output terminal of described sensor is connected with the input end of signal conditioning circuit.
Preferably, described communication bus adopts RS485 communication bus.
Preferably, described wireless transmission unit adopts ZigBee home control network communication protocol.
Preferably, the number of described data acquisition unit is no less than two.
Preferably, described monitoring platform is provided with acoustic-optic alarm.
The beneficial effects of the utility model are:
1, the utility model achieves the establishment of network by building fully connected topology, and monitoring system passage is deployed in the data acquisition unit of transformer field, terminal node can complete collection to each running state of transformer data.
2, the data collected can be sent to the Real-Time Monitoring that monitoring platform carries out running state of transformer by wireless transmission unit and communication bus by the utility model, avoid the problem of line arrangement and change intricate operation, and a large amount of manpower and materials can be saved, monitoring and the maintenance quality of transformer are highly improved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is wireless transmission unit mesh topology schematic diagram;
In figure: 1-data acquisition unit, 2-wireless transmission unit, 3-communication bus, 4-monitoring platform, 11-sensor, 12-signal conditioning circuit, 21-terminal node, 22-router node, 23-coordinator node.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, the utility model comprises data acquisition unit 1, wireless transmission unit 2, communication bus 3 and monitoring platform 4, wireless transmission unit 2 comprises terminal node 21, router node 22 and coordinator node 23, the number of terminal node 21 and router node 22 is no less than two, the number of coordinator node 23 is one, terminal node 21, router node 22 and coordinator node 23 inside have ZigBee wireless communication module, terminal node 21, router node 22 and coordinator node 23 carry out the connection of wireless telecommunications successively by ZigBee wireless communication module.The output terminal of data acquisition unit 1 is connected by signal wire with between terminal node 21; Wireless transmission unit 2 and monitoring platform 4 carry out exchanges data by communication bus 3, and communication bus 3 adopts RS485 communication bus.
Data acquisition unit 1 includes sensor 11 and signal conditioning circuit 12, and sensor 11 can comprise fuel level sensor, oil pressure sensor, oil gas sensor, oil temperature sensor etc., arranges the every service data being used on the transformer detecting transformer.The digital signal that every simulating signal that sensor 11 detects can identify by being converted to controller after signal conditioning circuit 12.The signal output part of signal conditioning circuit 12 is connected by signal wire with the signal input part of terminal node 21.The number of data acquisition unit 1 is no less than two, and its number is determined according to engineering practice.
Wireless transmission unit 2 comprises terminal node 21, router node 22 and coordinator node 23.The quantity of terminal node 21 and router node 22 is all no less than two, concrete number needs to determine according to actual monitoring, in the present embodiment, as shown in Figure 2, the number of terminal node 21 is five, the number of router node 22 is three, wireless transmission unit 2 adopts fully connected topology, passage is deployed in the terminal node 21 in electrical substation monitoring region and data acquisition unit 1 to complete the collection of each running state of transformer data, the wireless network that each node is formed, its fully connected topology as shown in Figure 2.Wherein terminal node 21 is responsible for process and the coding of running state of transformer data, and the data after process and coding are sent to router node 22, router node 22 mainly plays the function forwarding terminal node 21 data, data after terminal node 21 processes and encodes can expand communication distance by router node 22, thus expand the coverage of wireless sensor network.Data are sent to monitoring platform 4 by RS485 communication bus after converging by coordinated device node 23; monitoring platform 4 comprises host computer and acoustic-optic alarm; the transformer service data monitored can be carried out display in real time by host computer and data store; when transformer service data exceeds the normal data area run; host computer sends signal to acoustic-optic alarm; control acoustic-optic alarm device and send sound and light alarm, remind staff to carry out relevant protection and process operation in time.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, other amendments that those of ordinary skill in the art make the technical solution of the utility model or equivalently to replace, only otherwise depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. an Operation Condition of Power Transformers monitoring system, is characterized in that: comprise data acquisition unit, wireless transmission unit, communication bus and monitoring platform; Described wireless transmission unit comprise be no less than two terminal node, be no less than router node and a coordinator node of two, described terminal node, router node are connected successively with coordinator node, described data acquisition unit is connected with terminal node, described coordinator node is connected with monitoring platform by communication bus, described data acquisition unit comprises sensor and signal conditioning circuit, and the output terminal of described sensor is connected with the input end of signal conditioning circuit.
2. a kind of Operation Condition of Power Transformers monitoring system according to claim 1, is characterized in that: described communication bus adopts RS485 communication bus.
3. a kind of Operation Condition of Power Transformers monitoring system according to claim 1, is characterized in that: described wireless transmission unit adopts ZigBee home control network communication protocol.
4. a kind of Operation Condition of Power Transformers monitoring system according to claim 1, is characterized in that: the number of described data acquisition unit is no less than two.
5. a kind of Operation Condition of Power Transformers monitoring system according to claim 1, is characterized in that: described monitoring platform is provided with acoustic-optic alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861311.7U CN205091407U (en) | 2015-11-02 | 2015-11-02 | Power transformer running state monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861311.7U CN205091407U (en) | 2015-11-02 | 2015-11-02 | Power transformer running state monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205091407U true CN205091407U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520861311.7U Expired - Fee Related CN205091407U (en) | 2015-11-02 | 2015-11-02 | Power transformer running state monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205091407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899180A (en) * | 2018-06-25 | 2018-11-27 | 广东瑞智电力科技有限公司 | A kind of transformer digital monitoring protective device |
| CN109444576A (en) * | 2018-10-24 | 2019-03-08 | 国网河南省电力公司濮阳供电公司 | A kind of more transformer operation state monitoring devices |
-
2015
- 2015-11-02 CN CN201520861311.7U patent/CN205091407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899180A (en) * | 2018-06-25 | 2018-11-27 | 广东瑞智电力科技有限公司 | A kind of transformer digital monitoring protective device |
| CN109444576A (en) * | 2018-10-24 | 2019-03-08 | 国网河南省电力公司濮阳供电公司 | A kind of more transformer operation state monitoring devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20161102 |