CN204758133U - Join in marriage and become temperature monitoring and situation early -warning device - Google Patents
Join in marriage and become temperature monitoring and situation early -warning device Download PDFInfo
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- CN204758133U CN204758133U CN201520040353.4U CN201520040353U CN204758133U CN 204758133 U CN204758133 U CN 204758133U CN 201520040353 U CN201520040353 U CN 201520040353U CN 204758133 U CN204758133 U CN 204758133U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 20
- 230000001131 transforming effect Effects 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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Abstract
The utility model discloses a join in marriage and become temperature monitoring and situation early -warning device, include: 485 communication module on the spot for with mounted TTU communication and draw transformer secondary side power consumption data, temperature acquisition module for gather ambient temperature, the oily temperature in transformer top that the transformer was located, winding temperature calculation module for the winding temperature of transformer is obtained being surveyed according to the data calculation who gathers, the early warning module, including temperature rise early warning, the early warning and lack the looks early warning of transshipping, the temperature rise early warning is when comparing ambient temperature as the oily temperature in top or winding temperature and surpass certain numerical value, and early warning information is sent through the GPRS network in the terminal, transships the early warning for send the early warning when the load exceedes the volume percent of setting for, lacks the looks early warning and provides the early warning when electric for the mistake of transformer secondary side phase voltage, communication module for report the server to remote communications with normal data and early warning data through the GPRS network. The device can guarantee the operational reliability of transformer.
Description
Technical field
The utility model belongs to electric measuring instrument technical field, is specifically related to a kind of distribution transforming temperature monitoring and status early warning device.
Background technology
Distribution transforming temperature monitoring and status early warning device belong to the bottom of distribution automation, mainly gather the voltage of distribution transforming transformer, electric current, active power, reactive power, power factor, active energy, reactive energy, top oil temperature and environment temperature; Calculate winding temperature and these data of record storage, more and more important to the monitoring of power quality.
The countries and regions building distribution automation are undoubtedly the maximum market of distribution transformer terminals, ensure reliability and the economy of product, just likely come into the market.
Domestic distribution transforming technology mainly applies single-chip microcomputer, carries out signal sampling in conjunction with A/D sampling A/D chip, and realize the monitoring of transformer this locality, operations staff gathers distribution transformer terminals Monitoring Data, at main station system statistical data analysis by meter-copy device.Along with the development of the communication technology, distribution transformer terminals brings into use telecommunication technique, and exception when distribution transforming runs can report in time, and operations staff processes distribution transforming fault in time by master station; Communication mode is the mode such as RS485, infrared, GPRS mainly.
Domestic at present have certain research to distribution transforming intelligent apparatus, generally possesses Real time Data Acquisition function, voltage monitoring statistical function, event, signal alarm function, data record and statistical function, record data hold function, time adjustment function, Detecting Power Harmonics function (optional), remote control function (optional) and auto-reactive compensation controlling functions (optional, monitor terminal).But there are no the report of substation transformer winding temperature research.
Based on more than, be necessary to provide monitoring, calculate the equipment of distribution transforming Transformer Winding temperature, to ensure the operational reliability of transformer, improve the operation life of transformer, reduce unnecessary property loss.
Summary of the invention
The purpose of this utility model is the deficiency existed to overcome prior art, a kind of distribution transforming temperature monitoring and status early warning device are provided, this device can monitor electric parameter, the temperature data of distribution transforming transformer, and calculate winding temperature, judge that whether current transformer running status is normal, to ensure the operational reliability of transformer by carrying out monitoring to temperature.
The utility model is achieved through the following technical solutions: a kind of distribution transforming temperature monitoring and status early warning device, and described distribution transforming temperature monitoring and status early warning device comprise:
485 communication modules on the spot, for extracting Circuit Fault on Secondary Transformer electricity consumption data with mounted TTU communication;
Temperature collect module, for gathering environment temperature, the transformer top oil temperature residing for transformer;
Winding temperature calculates module, for Circuit Fault on Secondary Transformer electricity consumption data, environment temperature and the transformer top oil temperature data input model that will collect, calculates the winding temperature of tested transformer;
Warning module, comprise temperature rise early warning, overload early warning and phase shortage early warning, when temperature rise early warning exceeds certain numerical value for comparing environment temperature when top oil temperature or winding temperature, terminal sends early warning information by GPRS network, overload early warning is send early warning when load exceedes the volume percent of setting, provides early warning when phase shortage early warning is Circuit Fault on Secondary Transformer phase voltage dead electricity;
And communication module, for normal data and warning data are reported to telecommunication server by GPRS network, communication server shows the operation information of current transformer by WEB page.
Described 485 on the spot communication module comprise:
485 communicating circuits, for by being connected with TTU on the spot and extracting 485 digital signals;
Signal isolation circuit, in order to the protection circuit protecting 485 circuits not designed by the high voltage signal loss of misconnection;
And master & slave control circuit; For controlling and 485 master-slave communications of TTU on the spot.
Temperature collect module in described step 2 comprises environment temperature passage and top oil temperature acquisition channel.
Winding computing module in described step 3 is used for calculating transformer winding temperature, and its step is as follows:
Step 301: the basic parameter of input transformer;
Step 302: computation model correlation parameter;
Step 303: input environment temperature, top oil temperature, on the spot step down side electric current, magnitude of voltage;
Step 304: Modling model;
Step 305: solve and obtain winding temperature.
The beneficial effects of the utility model are: the utility model can monitor electric parameter, the temperature data of distribution transforming transformer, and calculate winding temperature, judge that whether current transformer running status is normal by carrying out monitoring to temperature, to ensure the operational reliability of transformer, improve the operation life of transformer, reduce unnecessary property loss.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Main achievement distribution transforming temperature monitoring of the present invention and status early warning device are the equipment that Utilities Electric Co. runs that department is monitoring substation transformer operation use.This device hardware system adopts using the up-to-date kernel Cortex-M3 of ARM company as MCU, is aided with electric energy computation chip, AD acquisition module, GPRS module complete collection to electric parameter and environmental data.
Clearly propose in " State Grid Corporation of China's power transmission and transformation equipment state monitoring system standardized designs scheme " " should according to temperature of oil in transformer, running current data, the cooling system method of operation, environment temperature etc., whether diagnosis transformer has problems of excessive heat ".By collecting the temperature rise data of the substation transformer of various different capabilities, combining environmental temperature, top oil temperature, transformer running load calculates winding temperature.
In order to predict the situation of change of transformer top-oil temperature and winding temperature under current operating condition, this device development transformer hot road computation model.
As shown in Figure 1, the hardware function figure of a kind of distribution transforming temperature monitoring and status early warning device, hardware is that assurance device can the basis of safe operation.This transformer adopts cortex-m3 core chip+GPRS+485+ memory module+real-time clock module composition, hardware considers that device is installed on Circuit Fault on Secondary Transformer in the design process, electromagnetic compatibility service condition requires very strict, therefore the hardware designed will carry out EMC experiment, high/low temperature is tested, guarantee that hardware can the work of safety and stability under transformer environment, do not occur distortion, the phenomenon of strike.
ARM system 1 is the core of whole hardware, the code of running gear function, process data, complete the push function of day regular data and warning data, ARM system adopts with ARM company novel kernel Cortex-M3 chip, and travelling speed is fast, can fast processing real-coded GA containing DSP processing unit.
LCD/KEY10 is device keystroke handling and liquid crystal display, and LCD shows daily display data in real time, as three-phase voltage, electric current, electric energy, power, power factor, top oil temperature, winding temperature data.When there being button to press, LCD is also by the respective interface of display button setting.KEY is used for button setting device correlation parameter as keystroke handling unit, guarantees that electric parameter collection is correct, allows the model that procedure Selection is correct.
485 interfaces 11 for other device cascade, communication adopts DL/T645-2007 agreement, and device or the equipment of any these stipulations of support all can communicate with it.
485 interfaces 12 with 485 interfaces 11, the reason that system is arranged like this be in order to can with more equipment cascading, when some interfaces cannot use, another interface can also as spare interface simultaneously.
GPRS (GeneralPacketRadioService) module 13 is a network communication module, TCP online can be carried out, send out and receive note, device just by GPRS module carry out TCP connect by all days regular data and warning data be sent to server, oil temperature is such as pushed up too high when early warning especially severe, or winding temperature is too high, device will send short message warning by GPRS module.
Power supply 14 is for guaranteeing that hardware can normally work, power supply is divided into two parts, namely transformer is not stopped transport when working properly, the voltage that hardware is got by transformer carries out work, hardware design battery supply when transformer is stopped transport, can be device work 24 hours, device can be allowed like this to process the loss of data phenomenon caused because transformer is stopped transport timely.
Environment temperature 16, top oil temperature 17 part are used for collecting temperature, and collecting temperature uses an AD conversion chip sampling precision to be 16, guarantee that temperature acquisition is accurate, and the temperature of collection will participate in model and calculate winding temperature.
Automatic alarm 18 comprises two parts, and a part device designs early warning pilot lamp, and when there being early warning to occur, early-warning lamp is bright; Another part is exactly Network Warning and short message warning, this function is realized by GPRS module, when there being early warning to occur, MCU pushes warning data, warning data is sent to server by TCP by GPRS module, especially when there being important early warning as too high in temperature, temperature rise is excessive, and device also will send early warning note, notify that user processes early warning information in time.
Usb 19 part is local maintenance port, can carry out program updates maintenance by this interface, more stablizes safer service for device provides.
Finally should be noted that; above content is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; the simple modification that those of ordinary skill in the art carries out the technical solution of the utility model or equivalently to replace, does not all depart from essence and the scope of technical solutions of the utility model.
Claims (2)
1. distribution transforming temperature monitoring and a status early warning device, is characterized in that described distribution transforming temperature monitoring and status early warning device comprise:
485 communication modules on the spot, for extracting Circuit Fault on Secondary Transformer electricity consumption data with mounted TTU communication;
Temperature collect module, for gathering environment temperature, the transformer top oil temperature residing for transformer;
Winding temperature calculates module, for Circuit Fault on Secondary Transformer electricity consumption data, environment temperature and the transformer top oil temperature data input model that will collect, calculates the winding temperature of tested transformer;
Warning module, comprise temperature rise early warning, overload early warning and phase shortage early warning, when temperature rise early warning exceeds certain numerical value for comparing environment temperature when top oil temperature or winding temperature, terminal sends early warning information by GPRS network, overload early warning is send early warning when load exceedes the volume percent of setting, provides early warning when phase shortage early warning is Circuit Fault on Secondary Transformer phase voltage dead electricity;
And communication module, for normal data and warning data are reported to telecommunication server by GPRS network, communication server shows the operation information of current transformer by WEB page.
2. distribution transforming temperature monitoring according to claim 1 and status early warning device, it is characterized in that described 485 on the spot communication module comprise:
485 communicating circuits, for by being connected with TTU on the spot and extracting 485 digital signals;
Signal isolation circuit, in order to the protection circuit protecting 485 circuits not designed by the high voltage signal loss of misconnection;
And master & slave control circuit; For controlling and 485 master-slave communications of TTU on the spot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040353.4U CN204758133U (en) | 2015-01-21 | 2015-01-21 | Join in marriage and become temperature monitoring and situation early -warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040353.4U CN204758133U (en) | 2015-01-21 | 2015-01-21 | Join in marriage and become temperature monitoring and situation early -warning device |
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| Publication Number | Publication Date |
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| CN204758133U true CN204758133U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520040353.4U Active CN204758133U (en) | 2015-01-21 | 2015-01-21 | Join in marriage and become temperature monitoring and situation early -warning device |
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| CN (1) | CN204758133U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158312A (en) * | 2016-08-31 | 2016-11-23 | 辽宁华冶集团发展有限公司 | A kind of intelligent transformer of below 800kVA |
| CN106411997A (en) * | 2016-07-13 | 2017-02-15 | 杨林 | Indoor transformer temperature control system based on multi-level security |
| CN106447998A (en) * | 2016-12-22 | 2017-02-22 | 国网山东省电力公司鄄城县供电公司 | Intelligent distribution transformer monitoring terminal and system |
| CN107462761A (en) * | 2017-07-18 | 2017-12-12 | 上海海能信息科技有限公司 | Distribution transforming burn-out-proof grading forewarning system method based on multivariable monitoring multi thresholds constraint |
| 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 |
-
2015
- 2015-01-21 CN CN201520040353.4U patent/CN204758133U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411997A (en) * | 2016-07-13 | 2017-02-15 | 杨林 | Indoor transformer temperature control system based on multi-level security |
| CN106158312A (en) * | 2016-08-31 | 2016-11-23 | 辽宁华冶集团发展有限公司 | A kind of intelligent transformer of below 800kVA |
| CN106447998A (en) * | 2016-12-22 | 2017-02-22 | 国网山东省电力公司鄄城县供电公司 | Intelligent distribution transformer monitoring terminal and system |
| CN106447998B (en) * | 2016-12-22 | 2019-05-10 | 国网山东省电力公司鄄城县供电公司 | Intelligent Distribution transformer and monitoring system |
| CN107462761A (en) * | 2017-07-18 | 2017-12-12 | 上海海能信息科技有限公司 | Distribution transforming burn-out-proof grading forewarning system method based on multivariable monitoring multi thresholds constraint |
| 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 |
| CN111257678B (en) * | 2020-03-02 | 2022-03-08 | 山东电力设备有限公司 | Transformer running state monitoring terminal and monitoring method |
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| C14 | Grant of patent or utility model | ||
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Address after: Room 351, building 2, 2388 xiupu Road, Kangqiao Town, Pudong New Area, Shanghai, 201315 Patentee after: Shanghai Haineng Information Technology Co.,Ltd. Address before: Room 351, building 2, 2388 xiupu Road, Kangqiao Town, Pudong New Area, Shanghai, 201315 Patentee before: SHANGHAI HINNER TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |