CN105258819A - Transformer temperature monitoring device - Google Patents
Transformer temperature monitoring device Download PDFInfo
- Publication number
- CN105258819A CN105258819A CN201510689797.5A CN201510689797A CN105258819A CN 105258819 A CN105258819 A CN 105258819A CN 201510689797 A CN201510689797 A CN 201510689797A CN 105258819 A CN105258819 A CN 105258819A
- Authority
- CN
- China
- Prior art keywords
- circuit
- transformer
- monitoring device
- microcontroller
- temperature monitoring
- 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 20
- 238000004804 winding Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 14
- 238000007791 dehumidification Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention pertains to the wind/PV box transformer substation supporting field, and relates to a transformer temperature monitoring device. The transformer temperature monitoring device comprises a microcontroller for receiving, operating and outputting data; a display circuit connected with a display for outputting a display signal; a plurality of measuring circuits for measuring data; and an external storage battery for emergency power supply in case of the power off of a main power supply. The microcontroller is connected with a digital detection circuit, and the digital detection circuit monitors a smoke alarm and a door lock signal. The external storage battery design adopted in the application can ensure emergency power supply from the storage battery in case of a failure of the main power supply and avoid dangers due to untimely monitoring during power off. Moreover, the application integrates the functions of a winding temperature controller and an oil level temperature controller, so the transformer temperature monitoring device can be used for replacing the existing winding temperature controller and the oil level temperature controller, thereby not only saving space, but also greatly reducing purchasing cost and facilitating centralized control.
Description
Technical field
The invention belongs to wind power/photovoltaic case and become supporting field, relate to a kind of transformer temperature monitoring device.
Background technology
Nearly 20 years, along with the development of transformer station, outdoor cabinet type transformer station scale was also increasing, and compared with general transformer station, outdoor cabinet type transformer station has more advantage.Power transformer is one of most important equipment in case change system, and its normal operation directly has influence on the safe reliability of system and the control of operating cost.And Transformer Winding temperature affects the decisive factor that power transformer normally works, the load capacity of transformer and insulation probable life thereof depend on the thermal characteristics of Transformer Winding to a great extent.Meanwhile, as power failure interrupts, by losing the monitoring to power station, very easily danger is caused.Therefore, for the above-mentioned defect existed in currently available technology, be necessary to study in fact, to provide a kind of scheme, solve the defect existed in prior art.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of transformer temperature monitoring device.
For achieving the above object, technical scheme of the present invention is:
A kind of transformer temperature monitoring device, comprising: microcontroller, for reception, computing, output data; Display circuit, connects display, extends, for output display signal in described microcontroller; Some roads metering circuit, connects microcontroller, for the instant data of measuring transformer; External accumulator, for the emergency supply in primary power source de-energizes situation; Described microcontroller connects digital quantity testing circuit, the described monitoring of digital quantity testing circuit smoke alarm, door lock signal; Described digital quantity testing circuit connects the second resistance, the 4th resistance on smoke alarm circuit and connects the second detector diode, for stable detection signal; On described digital quantity testing circuit (10) connection door lock signal circuit, the 6th resistance, the 8th resistance connect the 4th detector diode (D4), for stable detection signal.
Further, described metering circuit comprises temperature sensor measurement circuit, for measuring oil surface temperature.
Further, described metering circuit comprises ambient temperature and humidity metering circuit, for measurement environment humiture.
Further, described metering circuit comprises current measurement circuit, for the electric current of measuring transformer winding.
Further, described microcontroller connects output circuit, and described output circuit is used for output transformer winding temperature, transformer oil surface temperature.
Further, described microcontroller connecting communication circuit, described communicating circuit is used for winding temperature, oil surface temperature, ambient temperature and humidity, All Alerts information and preset alarm value to be all uploaded to backstage.
Further, described communicating circuit connects gsm module, and winding temperature, oil surface temperature, All Alerts information and preset alarm value are sent to user mobile phone by the mode of note by described gsm module.
Further, described microcontroller connection control output circuit, described control output circuit is used for sending enabling signal to some relays.
Further, described relay comprises overtemperature alarm relay, tripping relay, heating and dehumidification relay, smog alarm relay.
Compared with prior art, beneficial effect of the present invention is as follows: the external battery designs that the application adopts, can ensure when primary power breaks down, by accumulator emergency service, avoid between turnoff time due to dangerous generation can not be caused by immediately monitoring, the application integrates the energy supply of winding temperature controller and oil surface temperature controller simultaneously, existing group of temperature controller and oil surface temperature controller can be replaced, not only space can be saved, greatly can also reduce purchase cost, facilitate user's centralized control, the application of gsm module can also can allow user understand equipment state constantly in unattended situation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention;
Fig. 2 is specific embodiment of the invention digital quantity testing circuit circuit diagram.
Wherein: 1-microcontroller, 2-display circuit, the external accumulator of 3-, 4-temperature sensor measurement circuit, 5-current measurement circuit, 6-output circuit, 7-communicating circuit, 8-GSM module, 9-controls output circuit, 10-digital quantity testing circuit, 11-ambient temperature and humidity metering circuit, 12-resistance exports, 13-button.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
On the contrary, the present invention is contained any by the substituting of making on marrow of the present invention and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the present invention, in hereafter details of the present invention being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the present invention completely for a person skilled in the art yet.
See Fig. 1, a kind of transformer temperature monitoring device, is provided with microcontroller 1, and display circuit 2, button 13 are connected to microcontroller 1.Display circuit 2 connects display, for transmitting display signal therefor.Button 13 is for the preset value inputting warning, control.Microcontroller 1 is also connected with temperature sensor measurement circuit 4, current measurement circuit 5, ambient temperature and humidity metering circuit 11.Temperature sensor measurement circuit 4 adopts PT100 temperature sensor measurement circuit, for measuring transformer oil surface temperature.Ambient temperature and humidity metering circuit 11 is for measurement environment humiture.Current measurement circuit 5 adopts CT current measurement circuit, for the electric current of measuring transformer winding.The electric current of the oil surface temperature that the temperature of Transformer Winding is measured by PT100 temperature sensor measurement circuit 4 and the Transformer Winding that CT current measurement circuit 5 is measured extrapolates Transformer Winding temperature through microcontroller simulation.Resistance exports 12 for PT100 platinum resistance and exports, and transformer oil surface temperature signal to be directly sent to backstage by transformer temperature monitoring device terminals and to fluff device by these parts, is connected, for user authentication data with transformer temperature monitoring device is inner without any.Output circuit 6 is 4-20mA output circuit, is connected to microcontroller 1, for the 4-20mA signal of output transformer winding temperature, transformer oil surface temperature.Communicating circuit 7 is RS485 communicating circuit, be connected with microcontroller 1 too, for winding temperature, oil surface temperature, All Alerts information and preset alarm value are all uploaded to backstage, also connect gsm module 8 simultaneously, winding temperature, oil surface temperature, All Alerts information and preset alarm value are sent to user mobile phone with short message mode.Microcontroller is connection control output circuit 9 also, and when instant numerical value reaches preset value, microcontroller 1 sends enabling signal by controlling output circuit 9 to relays such as overtemperature alarm relay, tripping relay, heating and dehumidification relay, smog alarm relays.Microcontroller 1 is also connected with digital quantity testing circuit 11 in addition, and this digital quantity testing circuit 11 monitors smoke alarm, door lock signal.
See Fig. 2, digital quantity testing circuit 10 connects the second resistance R2 on smoke alarm circuit, the 4th resistance R4 connects the second detector diode D2, for stable detection signal; On digital quantity testing circuit 10 connection door lock signal alarm circuit, the 6th resistance R6, the 8th resistance R8 connect the 4th detector diode D4, for stable detection signal.
The present invention's preferred element model is as follows:
The main chip of output circuit 6: LM2904, DAC7512E;
The major control chip of communicating circuit 7: ADM2483BRW.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a transformer temperature monitoring device, is characterized in that, comprising:
Microcontroller (1), for reception, computing, output data;
Display circuit (2), extends in described microcontroller (1), connects display, for output display signal;
Some roads metering circuit, is connected to microcontroller (1), for the instant data of measuring transformer;
External accumulator (3), is connected to device, for the emergency supply in primary power source de-energizes situation;
Described microcontroller (1) connects digital quantity testing circuit (10), described digital quantity testing circuit (10) monitoring smoke alarm, door lock signal;
Described digital quantity testing circuit (10) connects the second resistance (R2), the 4th resistance (R4) on smoke alarm circuit and connects the second detector diode (D2), for stable detection signal;
On described digital quantity testing circuit (10) connection door lock signal circuit, the 6th resistance (R6), the 8th resistance (R8) connect the 4th detector diode (D4), for stable detection signal.
2. transformer temperature monitoring device according to claim 1, is characterized in that, described metering circuit comprises temperature sensor measurement circuit (4), for measuring oil surface temperature.
3. transformer temperature monitoring device according to claim 1, is characterized in that, described metering circuit comprises ambient temperature and humidity metering circuit (11), for measurement environment humiture.
4. transformer temperature monitoring device according to claim 1, is characterized in that, described metering circuit comprises current measurement circuit (5), for the electric current of measuring transformer winding.
5. transformer temperature monitoring device according to claim 1, it is characterized in that, described microcontroller (1) connects output circuit (6), and described output circuit (6) is for output transformer winding temperature, transformer oil surface temperature.
6. transformer temperature monitoring device according to claim 1, it is characterized in that, described microcontroller (1) connecting communication circuit (7), described communicating circuit (7) is for being all uploaded to backstage by winding temperature, oil surface temperature, ambient temperature and humidity, All Alerts information and preset alarm value.
7. transformer temperature monitoring device according to claim 5, it is characterized in that, described communicating circuit (7) connects gsm module (8), and winding temperature, oil surface temperature, All Alerts information and preset alarm value are sent on user mobile phone by the mode of note by described gsm module (8).
8. transformer temperature monitoring device according to claim 1, it is characterized in that, described microcontroller (1) connection control output circuit (9), described control output circuit (9) is for sending enabling signal to some relays.
9. transformer temperature monitoring device according to claim 8, is characterized in that, described relay comprises overtemperature alarm relay, tripping relay, heating and dehumidification relay, smog alarm relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689797.5A CN105258819A (en) | 2015-10-22 | 2015-10-22 | Transformer temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689797.5A CN105258819A (en) | 2015-10-22 | 2015-10-22 | Transformer temperature monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105258819A true CN105258819A (en) | 2016-01-20 |
Family
ID=55098597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510689797.5A Pending CN105258819A (en) | 2015-10-22 | 2015-10-22 | Transformer temperature monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105258819A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668641A (en) * | 2019-01-28 | 2019-04-23 | 江苏澳能电力电缆附件有限公司 | Transformer temperature intelligent monitoring and controlling device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123756U (en) * | 1992-03-29 | 1992-12-02 | 云南农业大学 | Temp-humidity measuring apparatus for flue-cured tobacco room |
| CN2881010Y (en) * | 2006-04-18 | 2007-03-21 | 冯友红 | Intelligent controlling door lock |
| CN101256211A (en) * | 2008-03-31 | 2008-09-03 | 刘仁臣 | Transformer multifunctional monitoring system |
| CN101577032A (en) * | 2009-06-02 | 2009-11-11 | 汕头大学 | Wireless fire detector for early fire recognition |
| CN201629021U (en) * | 2010-04-16 | 2010-11-10 | 李加升 | Fireproof earth-leakage monitoring device |
| CN201867463U (en) * | 2010-11-30 | 2011-06-15 | 山东电力集团公司菏泽供电公司 | Intelligent cable duct or pit on-line monitoring system |
| CN203117817U (en) * | 2012-08-13 | 2013-08-07 | 杭州鸿程科技有限公司 | Integrated control system for intelligent condensation prevention agent of transformer station |
| CN203204353U (en) * | 2012-12-26 | 2013-09-18 | 杭州鸿程科技有限公司 | Combined type switch cabinet state measuring and control instrument |
| CN104166413A (en) * | 2014-08-28 | 2014-11-26 | 杭州鸿程科技有限公司 | Dry type transformer temperature controller and control method thereof |
| CN204007719U (en) * | 2014-08-28 | 2014-12-10 | 杭州鸿程科技有限公司 | Bus contact temperature measurement on-line device |
| CN204116995U (en) * | 2014-08-28 | 2015-01-21 | 杭州鸿程科技有限公司 | Dry variable temperature control device |
| KR101547645B1 (en) * | 2014-08-11 | 2015-08-26 | 대원전기 주식회사 | Temperature managing apparatus, temperature managing system and temperature managing method of power transformer |
-
2015
- 2015-10-22 CN CN201510689797.5A patent/CN105258819A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123756U (en) * | 1992-03-29 | 1992-12-02 | 云南农业大学 | Temp-humidity measuring apparatus for flue-cured tobacco room |
| CN2881010Y (en) * | 2006-04-18 | 2007-03-21 | 冯友红 | Intelligent controlling door lock |
| CN101256211A (en) * | 2008-03-31 | 2008-09-03 | 刘仁臣 | Transformer multifunctional monitoring system |
| CN101577032A (en) * | 2009-06-02 | 2009-11-11 | 汕头大学 | Wireless fire detector for early fire recognition |
| CN201629021U (en) * | 2010-04-16 | 2010-11-10 | 李加升 | Fireproof earth-leakage monitoring device |
| CN201867463U (en) * | 2010-11-30 | 2011-06-15 | 山东电力集团公司菏泽供电公司 | Intelligent cable duct or pit on-line monitoring system |
| CN203117817U (en) * | 2012-08-13 | 2013-08-07 | 杭州鸿程科技有限公司 | Integrated control system for intelligent condensation prevention agent of transformer station |
| CN203204353U (en) * | 2012-12-26 | 2013-09-18 | 杭州鸿程科技有限公司 | Combined type switch cabinet state measuring and control instrument |
| KR101547645B1 (en) * | 2014-08-11 | 2015-08-26 | 대원전기 주식회사 | Temperature managing apparatus, temperature managing system and temperature managing method of power transformer |
| CN104166413A (en) * | 2014-08-28 | 2014-11-26 | 杭州鸿程科技有限公司 | Dry type transformer temperature controller and control method thereof |
| CN204007719U (en) * | 2014-08-28 | 2014-12-10 | 杭州鸿程科技有限公司 | Bus contact temperature measurement on-line device |
| CN204116995U (en) * | 2014-08-28 | 2015-01-21 | 杭州鸿程科技有限公司 | Dry variable temperature control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668641A (en) * | 2019-01-28 | 2019-04-23 | 江苏澳能电力电缆附件有限公司 | Transformer temperature intelligent monitoring and controlling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202141524U (en) | Switch cabinet temperature monitoring system based on wireless network | |
| CN104833894B (en) | The fault monitoring system and fault monitoring method of a kind of electrical equipment | |
| CN103411692A (en) | Temperature measuring device for circuit breaker contact | |
| CN105784136A (en) | Online temperature monitoring system for transformer station high voltage switch cabinet | |
| CN105509927A (en) | Substation temperature measurement method and system | |
| CN203587781U (en) | Wireless early-warning/alarming device for UPS (Uninterrupted Power Supply) | |
| CN105258819A (en) | Transformer temperature monitoring device | |
| CN202471271U (en) | On-line temperature measurement system for high-voltage switch cabinet | |
| CN202025384U (en) | User reminding circuit for cassette type ammeter | |
| CN105513263A (en) | Remote-controlled intelligent remote control | |
| CN206056807U (en) | Loop abnormal heating contact passive and wireless monitoring device that a kind of high voltage isolator is through-flow | |
| CN108199477A (en) | Substation's ac and dc systems fault remote intelligent control method and equipment | |
| CN110411894B (en) | Gas density monitoring system | |
| CN205121253U (en) | Continuous electrical transformer temperature monitoring device | |
| CN202599561U (en) | On-line monitoring device for ring network cabinet | |
| CN207636205U (en) | A kind of novel warm humidity monitor warning systems | |
| CN206301019U (en) | A kind of distribution network failure monitoring terminal of low-power consumption | |
| CN205080425U (en) | A transformer device for temperature monitoring | |
| CN117928737A (en) | Non-contact temperature detection device for dry-type transformer | |
| CN105547370A (en) | Power transformer fault diagnosis system based on IOT (Internet of Things) | |
| CN204203728U (en) | Based on the substation equipment temperature monitoring radio communication device of Zigbee network | |
| CN205753645U (en) | A kind of photovoltaic DC-to-AC converter wireless supervisory control system | |
| CN205643565U (en) | Electrical equipment's hot stall on -line monitoring system | |
| CN207542881U (en) | Substation's ac and dc systems fault remote monitoring device | |
| CN105119150A (en) | Fuse type isolation switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160120 |