CN107727252A - A kind of alarm method of the dry-type transformer based on PLC - Google Patents
A kind of alarm method of the dry-type transformer based on PLC Download PDFInfo
- Publication number
- CN107727252A CN107727252A CN201710606587.4A CN201710606587A CN107727252A CN 107727252 A CN107727252 A CN 107727252A CN 201710606587 A CN201710606587 A CN 201710606587A CN 107727252 A CN107727252 A CN 107727252A
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- CN
- China
- Prior art keywords
- plc
- dry
- type transformer
- thermal resistance
- transformer based
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Housings And Mounting Of Transformers (AREA)
- Protection Of Transformers (AREA)
Abstract
The present invention provides a kind of alarm method of the dry-type transformer based on PLC, and method is：Increase by a channel Temperature Measuring thermal resistance signal on dry-type transformer, the Analog input mModule into PLC is transmitted together with the thermometric thermal resistance signal of dry-type transformer itself；PLC is handled two channel Temperature Measuring thermal resistance signals, and is sent to host computer, real-time display is carried out in host computer, and alarmed.The present invention can utilize existing PLC and communication network, only a thermal resistance need to be increased on dry-type transformer can just monitor dry-type transformer temperature in real time, cheap, can remind operation and attendant in time, equipment breakdown and device damage are prevented, is advantageous to drop this section branch.
Description
Technical field
The invention belongs to warning system field, and in particular to a kind of alarm method of the dry-type transformer based on PLC.
Background technology
Dry-type transformer in the plant building of industrial enterprise using very universal, dry-type transformer be it is a kind of by fan and
A kind of transformer of natural cooling, be not added with transformer oil, therefore its temperature alarming turns into key link, particularly load compared with
The occasion of weight or bad environments, the temperature of dry-type transformer play vital effect to the service life of transformer, due to
Dry-type transformer is typically mounted in electric panel room, usually not operator on duty, and the alarm of its temperature and signal transmission are just very heavy
It has been wanted that, and traditional dry-type transformer manually puts inspection, without temperature alarm system, when there is the too high situation of temperature, people
Work can not be found in time, so as to reduce transformer service life, or even cause to damage.
With the fast development of PLC and mechanics of communication, the monitoring of host computer picture and alarm turn into main flow, transformer itself
Temperature control is list-directed by transformer temperature instrument, and when thermometric instrument damage or blower fan damage, transformer temperature gradually rises
Height, if can not now find in time, it is likely that serious consequence can be caused, therefore the temperature alarming of transformer finds just to show in time
Obtain particularly important.
Therefore, in order to solve problem above develop it is a kind of be directed to based on dry-type transformer carry out monitoring temperature and alarm
Method is those skilled in the art institute urgent need to solve the problem.
The content of the invention
In order to solve the above problems, the present invention provides a kind of alarm method of the dry-type transformer based on PLC.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of alarm method of the dry-type transformer based on PLC, method are：
（1）Increase by a channel Temperature Measuring thermal resistance signal on dry-type transformer, believe together with the thermometric thermal resistance of dry-type transformer itself
Number the Analog input mModule into PLC is transmitted together；
（2）PLC is by step（1）In two channel Temperature Measuring thermal resistance signals handled, and send to host computer, enter in host computer
Row real-time display, and alarmed.
Preferably, PLC is Siemens S7-300.
Preferably, host computer is provided with Siemens wincc.
Preferably, the alarm temperature upper limit is provided with PLC.
Shown and historical temperature trend record preferably, host computer enters trip temperature real-time curve.
The present invention also provides a kind of warning system of the dry-type transformer based on PLC, includes successively according to the order of connection dry
Formula transformer, PLC and host computer.
Preferably, dry-type transformer has two channel Temperature Measuring thermal resistance signals.
Preferably, host computer is arranged in operating room；Operating room can carry out sound and light alarm.
The invention provides a kind of alarm method of the dry-type transformer based on PLC, by increasing on dry-type transformer
One channel Temperature Measuring thermal resistance signal, and accessed in the lump in PLC together with a channel Temperature Measuring thermal resistance signal of dry-type transformer itself, and with
Host computer is communicated, and is shown and historical temperature trend record in the enterprising trip temperature real-time curve of the host computer of operating room, together
When in PLC set the alarm temperature upper limit, sound and light alarm is carried out when more than the alarm temperature upper limit, so that maintainer can
Temperature change is found in time, avoids causing device damage.
The present invention compared with prior art, can utilize existing PLC and communication network, only need to be on dry-type transformer
One thermal resistance of increase can just monitor dry-type transformer temperature in real time, cheap, can remind operation in time and safeguard people
Member, prevents equipment breakdown and device damage, is advantageous to drop this section branch.
Brief description of the drawings
Fig. 1, the present invention connection diagram.
Embodiment
Technical scheme provided by the invention is described in detail below with reference to specific embodiment, it should be understood that following specific
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.
A kind of alarm method of the dry-type transformer based on PLC, method are：
（1）Increase by a channel Temperature Measuring thermal resistance signal on dry-type transformer, believe together with the thermometric thermal resistance of dry-type transformer itself
Number the Analog input mModule into PLC is transmitted together；
（2）PLC is by step（1）In two channel Temperature Measuring thermal resistance signals handled, and send to host computer, enter in host computer
Row real-time display, and alarmed.
Wherein, PLC is Siemens S7-300, and is provided with the alarm temperature upper limit.Host computer is provided with Siemens wincc,
Enter trip temperature real-time curve to show and historical temperature trend record.
As shown in Figure 1 be the warning system based on above-mentioned alarm method, according to the order of connection successively including dry-type transformer,
PLC and host computer；Dry-type transformer has two channel Temperature Measuring thermal resistance signals；Host computer is arranged in operating room；Operating room energy
Enough carry out sound and light alarm.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to
Formed technical scheme is combined by above technical characteristic.
Claims (8)
- A kind of 1. alarm method of the dry-type transformer based on PLC, it is characterised in that：Method is：（1）Increase by a channel Temperature Measuring thermal resistance signal on dry-type transformer, believe together with the thermometric thermal resistance of dry-type transformer itself Number the Analog input mModule into PLC is transmitted together；（2）PLC is by step（1）In two channel Temperature Measuring thermal resistance signals handled, and send to host computer, enter in host computer Row real-time display, and alarmed.
- A kind of 2. alarm method of secretary in charge of something's transformer based on PLC according to claim 1, it is characterised in that：The PLC For Siemens S7-300.
- A kind of 3. alarm method of secretary in charge of something's transformer based on PLC according to claim 1, it is characterised in that：On described Position machine is provided with Siemens wincc.
- A kind of 4. alarm method of secretary in charge of something's transformer based on PLC according to claim 1, it is characterised in that：The PLC In be provided with the alarm temperature upper limit.
- A kind of 5. alarm method of secretary in charge of something's transformer based on PLC according to claim 1, it is characterised in that：On described Position machine enters trip temperature real-time curve and shown and historical temperature trend record.
- A kind of 6. warning system of the dry-type transformer based on PLC, it is characterised in that：Include dry type successively according to the order of connection to become Depressor, PLC and host computer.
- A kind of 7. warning system of dry-type transformer based on PLC according to claim 6, it is characterised in that：It is described dry Formula transformer has two channel Temperature Measuring thermal resistance signals.
- A kind of 8. warning system of dry-type transformer based on PLC according to claim 6, it is characterised in that：On described Position machine is arranged in operating room；The operating room can carry out sound and light alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606587.4A CN107727252A (en) | 2017-07-24 | 2017-07-24 | A kind of alarm method of the dry-type transformer based on PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606587.4A CN107727252A (en) | 2017-07-24 | 2017-07-24 | A kind of alarm method of the dry-type transformer based on PLC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727252A true CN107727252A (en) | 2018-02-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710606587.4A Pending CN107727252A (en) | 2017-07-24 | 2017-07-24 | A kind of alarm method of the dry-type transformer based on PLC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107727252A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1383302A (en) * | 1971-01-20 | 1974-02-12 | United Gas Industries Ltd | Monitor circuit |
| CN201262574Y (en) * | 2008-06-27 | 2009-06-24 | 福州昌晖自动化***有限公司 | Device for monitoring, displaying and alarming multistage type power transformer temperature |
| US20100091815A1 (en) * | 2008-10-09 | 2010-04-15 | Yukihira Nakazato | Temperature detection apparatus |
| CN204495471U (en) * | 2015-04-03 | 2015-07-22 | 国家电网公司 | A kind of dry-type transformer remote control temperature alarm |
| CN206039320U (en) * | 2016-08-12 | 2017-03-22 | 佛山科学技术学院 | Dry -type transformer's temperature controller |
-
2017
- 2017-07-24 CN CN201710606587.4A patent/CN107727252A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1383302A (en) * | 1971-01-20 | 1974-02-12 | United Gas Industries Ltd | Monitor circuit |
| CN201262574Y (en) * | 2008-06-27 | 2009-06-24 | 福州昌晖自动化***有限公司 | Device for monitoring, displaying and alarming multistage type power transformer temperature |
| US20100091815A1 (en) * | 2008-10-09 | 2010-04-15 | Yukihira Nakazato | Temperature detection apparatus |
| CN204495471U (en) * | 2015-04-03 | 2015-07-22 | 国家电网公司 | A kind of dry-type transformer remote control temperature alarm |
| CN206039320U (en) * | 2016-08-12 | 2017-03-22 | 佛山科学技术学院 | Dry -type transformer's temperature controller |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20180223 |