CN107727968A - A kind of dry-type transformer condition monitoring device - Google Patents
A kind of dry-type transformer condition monitoring device Download PDFInfo
- Publication number
- CN107727968A CN107727968A CN201710984667.3A CN201710984667A CN107727968A CN 107727968 A CN107727968 A CN 107727968A CN 201710984667 A CN201710984667 A CN 201710984667A CN 107727968 A CN107727968 A CN 107727968A
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- China
- Prior art keywords
- dry
- temperature
- chip microcomputer
- type transformer
- monitoring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 30
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 14
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 230000003750 conditioning effect Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000012827 research and development Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000006855 networking 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
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Protection Of Transformers (AREA)
Abstract
The invention discloses a kind of dry-type transformer condition monitoring device, including single-chip microcomputer, temperature-control circuit, 433M wireless receiving modules, GPRS wireless communication modules, Temperature Humidity Sensor, three current temperature combined type transes, the current temperature combined type trans is arranged on the low-voltage busbar output end of dry-type transformer, and current temperature combined type trans and the three-phase of the low-voltage busbar output end are corresponded and set；Current temperature combined type trans connects single-chip microcomputer by 433M wireless receiving modules, and temperature-control circuit, Temperature Humidity Sensor, GPRS wireless communication modules are connected with single-chip microcomputer.The present invention has expanded traditional detection range, has accomplished the combined state of real-time online detection transformer, simplifies the installation process of dry-type transformer condition monitoring device, solves the problems, such as the transformer telecommunication of distribution in length and breadth of land territorial scope.
Description
Technical field
The present invention relates to a kind of electricity transformer monitoring, more particularly to a kind of dry-type transformer condition monitoring device.
Background technology
At present, dry-type transformer thermal balance poor performance, traditional Temperature Controller for Dry-Type Transformer are to Transformer Winding
Running temperature detected, drive blower fan to realize forced air cooling and controlling alarm.Temperature Controller for Dry-Type Transformer is main
For the protection to dry-type transformer, prevent that its winding temperature is too high and damages transformer.In addition, it also have integrated temperature measurement and
Display function, the temperature of three-phase windings, maximum temperature can be shown, adjust temperature and the temperature of user's setting etc.；It can indicate super
Temperature, superhigh temperature, malfunction, design temperature etc. can be changed by keyboard.Temperature Controller for Dry-Type Transformer is to safeguard that dry type becomes
The important component of depressor operation, can effectively prevent the too high initiation accident of transformer temperature rise, moreover it is possible to promote the scientific management of transformer station.
Traditional transformer temperature controller is typically using RS485 (or RS232, or 4-20mA) interface communication mode.With
The continuous extension of novel dry transformer application field, higher want is proposed to the Centralized Monitoring of dry-type transformer running status
Ask：The dry-type transformer installed, exist distribution pattern it is various, each other apart from difference it is larger, it is unattended and it is more set monitoring
The problems such as system.All it is difficult to meet to require under many circumstances if temperature control system still uses wire communication mode.With meter
The development of calculation machine technology and network technology, the networking of communication, intellectuality, integrated and Standardization Development, to traditional temperature control
Device proposes new requirement：The communication structure of system should try one's best with communication modes multifarious, using standard agreement, local
Wireless telecommunications, long-distance radio communication, network cloud management etc. are development trends from now on.Traditional Temperature Controller for Dry-Type Transformer
Typically there are three or four wired platinum resistance temperature sensors, contrasted according to the temperature data of monitoring with threshold values, so as to
Produce the control signals such as blower fan start and stop, overtemperature alarm, overtemperature tripping operation.Temperature data and control signal are showed by instrument panel
Field is directly displayed, and remote monitoring center can be also sent to by wire communication cable.
But there is following defect in existing this Temperature Controller for Dry-Type Transformer：
With the single limitation of monitoring, and temperature data is only state physical quantity, it is difficult to only by temperature to becoming
The loading condition of depressor, failure situation do accurate judgement.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of dry-type transformer status monitoring to set
Standby, it can overcome monitors the defects of single in the prior art.
The purpose of the present invention adopts the following technical scheme that realization：
A kind of dry-type transformer condition monitoring device, applied to dry-type transformer, including single-chip microcomputer, temperature-control circuit,
433M wireless receiving modules, GPRS wireless communication modules, Temperature Humidity Sensor, three current temperature combined type transes, it is described
Current temperature combined type trans be arranged on dry-type transformer low-voltage busbar output end, and current temperature combined type trans with
The three-phase of the low-voltage busbar output end, which corresponds, to be set；Current temperature combined type trans passes through 433M wireless receiving modules
Single-chip microcomputer is connected, temperature-control circuit, Temperature Humidity Sensor, GPRS wireless communication modules are connected with single-chip microcomputer.
Further, temperature-control circuit includes at least three platinum resistance temperature sensors, esd protection circuit, signal tune
Reason circuit, variable connector and analog-digital converter, three platinum resistance temperature sensors are connected with esd protection circuit, ESD protection electricity
Road, signal conditioning circuit, variable connector, analog-digital converter and single-chip microcomputer are sequentially connected.
Further, in addition to RS485 communication modules and/or 4-20mA communication modules, RS485 communication modules and/or 4-
20mA communication modules are connected with single-chip microcomputer.
Further, single-chip microcomputer is also associated with memory.
Further, single-chip microcomputer is also associated with operation keyboard.
Further, single-chip microcomputer is also associated with display screen.
Further, single-chip microcomputer is also associated with indicator lamp.
Further, single-chip microcomputer is also associated with multicircuit relay.
Compared with prior art, the beneficial effects of the present invention are：
(1) invention increases dry-type transformer low voltage three-phase output current monitoring function, traditional detection model has been expanded
Enclose, accomplished the combined state of real-time online detection transformer, the current data monitored, the efficiency available for dry-type transformer
Analysis and accident analysis；
(2) busbar contact temperature monitoring function is added, using the communication modes being wirelessly transferred, simplifies dry-type transformer
The installation process of condition monitoring device, avoid the safety issues such as the phase fault that wired connection is brought；
(3) GPRS long-distance radio communication modules are added, the transformer for solving distribution in length and breadth of land territorial scope remotely leads to
The problem of news, all Monitoring Datas upload distal end Cloud Server, pass through internet, you can are supervised with real-time online in the world
Control the running status of all transformers.
Brief description of the drawings
Fig. 1 is a kind of function structure chart of dry-type transformer condition monitoring device of invention.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
As shown in figure 1, the present invention provides a kind of dry-type transformer condition monitoring device, apply on dry-type transformer, it is main
Will include single-chip microcomputer, temperature-control circuit, 433M wireless receiving modules, GPRS wireless communication modules, Temperature Humidity Sensor, three
Current temperature combined type trans.Current temperature combined type trans connects single-chip microcomputer, temperature by 433M wireless receiving modules
Control circuit, Temperature Humidity Sensor, GPRS wireless communication modules are connected with single-chip microcomputer.The temperature-control circuit is tradition
Temperature Controller for Dry-Type Transformer, realize the temperature monitoring of at least three-phase, including at least three platinum resistance temperature sensors,
Esd protection circuit, signal conditioning circuit, variable connector and analog-digital converter, three platinum resistance temperature sensors are protected with ESD
Circuit is connected, and esd protection circuit, signal conditioning circuit, variable connector, analog-digital converter and single-chip microcomputer are sequentially connected.Can be with
Addition is more all the way, while a namely more platinum resistance temperature sensor.
Current temperature combined type trans is arranged on the low-voltage busbar output end of dry-type transformer, and current temperature is compound
Sensor and the three-phase of the low-voltage busbar output end are corresponded and set, and A/B/C three-phases install one respectively per phase.Pass through institute
The wireless collection function on the spot for the 433M wireless receiving modules stated, allows dry-type transformer status monitor device to gather transformer
Load current data, while can also gather the temperature data of three-phase bus bar contact.
GPRS wireless communication modules will collect transformer temperature data, electric current number by the wireless network of mobile communication
According to, in ambient temperature and humidity data, the information transmission such as each road actuating of relay state, fan condition to remote back-office server.
GPRS wireless communication modules are preferably but not limited to use the embedded GPRS module of USR-GPRS232-7S3 technical grades.Current temperature
Remote communicating function of the combined type trans based on GPRS wireless communication modules, operating transformer state is supervised on background server
Examining system cloud platform, by internet, equipment management personnel real time and on line monitoring can all network in the world
The running status of transformer.
Temperature Humidity Sensor uses digital temperature and humidity sensing chip HTU21D.Temperature Humidity Sensor by I2C data wires with
Single-chip microcomputer is connected.For monitoring the temperature and humidity status information of working environment residing for dry-type transformer.
The present invention can further include RS485 communication modules and/or 4-20mA communication modules, the two modules with
Single-chip microcomputer connects.
Single-chip microcomputer can also be connected with memory, such as EEPROM, be band EEPROM.In addition,
The present invention can also include possessing the operation keyboard for user's input, the display screen for showing dry-type transformer status information, conduct
The indicator lamp of alarm warning, operation keyboard, display screen and indicator lamp are connected with single-chip microcomputer.
Also include the multicircuit relay being connected with single-chip microcomputer, multicircuit relay has generally comprised overtemperature alarm output, overtemperature
Tripping operation output, working condition output, the output of warning output unshakable in one's determination, blower fan warning output, dead electricity warning output, air-blower control etc..
Certainly the present invention also needs to one power module of configuration and provides electric energy for whole equipment in actual applications.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (8)
1. a kind of dry-type transformer condition monitoring device, applied to dry-type transformer, it is characterised in that including single-chip microcomputer, temperature
Control circuit, 433M wireless receiving modules, GPRS wireless communication modules, Temperature Humidity Sensor, three compound biographies of current temperature
Sensor, the current temperature combined type trans is arranged on the low-voltage busbar output end of dry-type transformer, and current temperature is compound
Type sensor and the three-phase of the low-voltage busbar output end are corresponded and set；Current temperature combined type trans by 433M without
Line receiving module connects single-chip microcomputer, and temperature-control circuit, Temperature Humidity Sensor, GPRS wireless communication modules connect with single-chip microcomputer
Connect.
2. dry-type transformer condition monitoring device as claimed in claim 1, it is characterised in that temperature-control circuit is included at least
Three platinum resistance temperature sensors, esd protection circuit, signal conditioning circuit, variable connector and analog-digital converter, three RTDs
Temperature sensor is connected with esd protection circuit, esd protection circuit, signal conditioning circuit, variable connector, analog-digital converter and
Single-chip microcomputer is sequentially connected.
3. dry-type transformer condition monitoring device as claimed in claim 1, it is characterised in that also including RS485 communication modules
And/or 4-20mA communication modules, RS485 communication modules and/or 4-20mA communication modules are connected with single-chip microcomputer.
4. dry-type transformer condition monitoring device as claimed in claim 1, it is characterised in that single-chip microcomputer is also associated with storing
Device.
5. dry-type transformer condition monitoring device as claimed in claim 1, it is characterised in that single-chip microcomputer is also associated with operated key
Disk.
6. dry-type transformer condition monitoring device as claimed in claim 1, it is characterised in that single-chip microcomputer is also associated with showing
Screen.
7. dry-type transformer condition monitoring device as claimed in claim 1, it is characterised in that single-chip microcomputer is also associated with indicating
Lamp.
8. dry-type transformer condition monitoring device as claimed in claim 1, it is characterised in that single-chip microcomputer be also associated with multichannel after
Electrical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984667.3A CN107727968A (en) | 2017-10-20 | 2017-10-20 | A kind of dry-type transformer condition monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984667.3A CN107727968A (en) | 2017-10-20 | 2017-10-20 | A kind of dry-type transformer condition monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727968A true CN107727968A (en) | 2018-02-23 |
Family
ID=61213070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710984667.3A Pending CN107727968A (en) | 2017-10-20 | 2017-10-20 | A kind of dry-type transformer condition monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107727968A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493894A (en) * | 2018-04-20 | 2018-09-04 | 广东电网有限责任公司 | A kind of dry-type transformer safe operation intelligent monitor system |
| CN109212367A (en) * | 2018-10-31 | 2019-01-15 | 江苏骏龙光电科技股份有限公司 | A kind of cabinet portable dual-purpose formula intelligent transformer parts monitoring device |
| CN110853900A (en) * | 2019-10-22 | 2020-02-28 | 国网浙江嵊州市供电有限公司 | Intelligent alarm Internet of things terminal system for dry-type transformer |
| CN111366257A (en) * | 2020-05-18 | 2020-07-03 | 交通运输部公路科学研究所 | Dynamic shear rheometer temperature calibration device based on GPRS communication |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2348307A1 (en) * | 2010-01-22 | 2011-07-27 | Josef Altmann | On-line diagnostics and control process of dielectric behavior of power transformers and device to implement the process |
| CN103575325A (en) * | 2012-07-20 | 2014-02-12 | 陈津 | High-voltage photoelectric temperature, current and voltage compound sensor structure |
| CN204330138U (en) * | 2014-12-30 | 2015-05-13 | 国家电网公司 | Dry-type transformer winding real-time temperature analysis monitoring device |
| CN104914310A (en) * | 2015-03-10 | 2015-09-16 | 国网四川省电力公司电力科学研究院 | Temperature-resistance curve acquisition apparatus of distribution transformer winding and method thereof |
| CN105375643A (en) * | 2015-12-21 | 2016-03-02 | 河海大学常州校区 | On-line monitoring device for power distribution transformer performance and monitoring method thereof |
| CN206039320U (en) * | 2016-08-12 | 2017-03-22 | 佛山科学技术学院 | Dry -type transformer's temperature controller |
| CN106876114A (en) * | 2017-04-18 | 2017-06-20 | 江西明正变电设备有限公司 | A kind of dry-type transformer |
-
2017
- 2017-10-20 CN CN201710984667.3A patent/CN107727968A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2348307A1 (en) * | 2010-01-22 | 2011-07-27 | Josef Altmann | On-line diagnostics and control process of dielectric behavior of power transformers and device to implement the process |
| CN103575325A (en) * | 2012-07-20 | 2014-02-12 | 陈津 | High-voltage photoelectric temperature, current and voltage compound sensor structure |
| CN204330138U (en) * | 2014-12-30 | 2015-05-13 | 国家电网公司 | Dry-type transformer winding real-time temperature analysis monitoring device |
| CN104914310A (en) * | 2015-03-10 | 2015-09-16 | 国网四川省电力公司电力科学研究院 | Temperature-resistance curve acquisition apparatus of distribution transformer winding and method thereof |
| CN105375643A (en) * | 2015-12-21 | 2016-03-02 | 河海大学常州校区 | On-line monitoring device for power distribution transformer performance and monitoring method thereof |
| CN206039320U (en) * | 2016-08-12 | 2017-03-22 | 佛山科学技术学院 | Dry -type transformer's temperature controller |
| CN106876114A (en) * | 2017-04-18 | 2017-06-20 | 江西明正变电设备有限公司 | A kind of dry-type transformer |
Non-Patent Citations (1)
| Title |
|---|
| 李建民: "《城市轨道交通供电》", 30 September 2007 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493894A (en) * | 2018-04-20 | 2018-09-04 | 广东电网有限责任公司 | A kind of dry-type transformer safe operation intelligent monitor system |
| CN109212367A (en) * | 2018-10-31 | 2019-01-15 | 江苏骏龙光电科技股份有限公司 | A kind of cabinet portable dual-purpose formula intelligent transformer parts monitoring device |
| CN110853900A (en) * | 2019-10-22 | 2020-02-28 | 国网浙江嵊州市供电有限公司 | Intelligent alarm Internet of things terminal system for dry-type transformer |
| CN111366257A (en) * | 2020-05-18 | 2020-07-03 | 交通运输部公路科学研究所 | Dynamic shear rheometer temperature calibration device based on GPRS communication |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |
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| RJ01 | Rejection of invention patent application after publication |