CN103473907A - Device for automatically detecting and warning temperature rise in medium-voltage frequency converter cabinet and detection method therefor - Google Patents
Device for automatically detecting and warning temperature rise in medium-voltage frequency converter cabinet and detection method therefor Download PDFInfo
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- CN103473907A CN103473907A CN2013103870401A CN201310387040A CN103473907A CN 103473907 A CN103473907 A CN 103473907A CN 2013103870401 A CN2013103870401 A CN 2013103870401A CN 201310387040 A CN201310387040 A CN 201310387040A CN 103473907 A CN103473907 A CN 103473907A
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Abstract
The invention relates to a device for automatically detecting and warning the temperature rise in a medium-voltage frequency converter cabinet and a detection method for the device. The device comprises a plurality of wireless temperature sensors, a plurality of temperature measurement communication terminals and a temperature measurement workstation industrial personal computer, wherein the wireless temperature sensors are directly installed onto wire inlet contacts of the medium-voltage frequency converter cabinet to accurately measure the running temperatures of the wire inlet contacts and transmit and output the measured temperature data through wireless signals, the temperature measurement communication terminals automatically receive the temperature data transmitted by the wireless temperature sensors and display the temperatures of the various contacts on a wireless temperature display instrument, and the temperature measurement workstation industrial personal computer is used for reading the temperature data collected by the temperature measurement communication terminals in a timed and circulating manner and writing and saving the data in a local hard disk. The device transmits the temperature signal through wireless communication and has an excellent thermal insulation performance, and therefore, the device can be directly installed on the wire inlet contacts of the medium-voltage frequency converter cabinet to accurately measure the running temperatures of the wire inlet contacts.
Description
Technical field
The present invention relates to temperature rise automatic detection alarm device and detection method thereof in a kind of medium voltage frequency converter cabinet.
Background technology
Along with the increase of steel plant's power consumption, the corresponding raising of automatization level, medium voltage frequency converter cabinet inner cable consumption is more and more.Because the current capacity of medium voltage frequency converter cabinet is excessive, the loose contact such as cutter valve, cable splice and contact or cause for a long time aging, will cause this place's heating, form vicious cycle, finally cause fire failure.
Medium voltage frequency converter cabinet people is that the mode of patrolling and examining can not be found disaster hidden-trouble effectively and timely at present, so medium voltage frequency converter cabinet on-line temperature monitoring problem is particularly outstanding.
According to the electric power accident analysis, the fire that the faults such as medium voltage frequency converter cabinet, cable cause will cause the large tracts of land device damage, cause power supply to be forced to interrupt, and in the short time, can't resume production, and cause heavy economic losses.Analysis by accident, cause that the immediate cause that fire occurs is much that the cable splice crimp head is not tight, contact resistance is excessive, the cable end that long-time running causes is overheated burns insulation, and the contact of medium voltage frequency converter cabinet is bad or aging causes that resistance is excessive, finally cause the generation of fire failure.
Traditional temperature monitoring method mainly adopts thermopair, thermal resistance, semiconductor temperature sensor equitemperature sensing element to realize, these temperature sensors all need the plain conductor signal transmission, owing to can't guaranteeing to there are stable insulating property, can't on the contact in the medium voltage frequency converter cabinet, use.
Summary of the invention
The present invention has designed automatic detection alarm device and the detection method thereof of temperature rise in a kind of medium voltage frequency converter cabinet, the technical matters of its solution is that traditional temperature monitoring method mainly adopts thermopair, thermal resistance, semiconductor temperature sensor equitemperature sensing element can't guarantee to have stable insulating property, also can't on the contact in the medium voltage frequency converter cabinet, use.
In order to solve the technical matters of above-mentioned existence, the present invention has adopted following scheme:
The automatic detection alarm device of temperature rise in a kind of medium voltage frequency converter cabinet, it is characterized in that: comprise a plurality of radio temperature sensors, radio temperature sensor directly is installed on the inlet wire contact of medium voltage frequency converter cabinet, the running temperature of Measurement accuracy inlet wire contact, and the temperature data recorded is sent to output with wireless signal; A plurality of thermometric communication terminals, the temperature data that thermometric communication terminal automatic reception radio temperature sensor sends, and show the temperature of each point at its wireless temperature display instrument; Thermometric workstation industrial computer reads the temperature data of collecting in the thermometric communication terminal with being used for timing cycle, and writes in local hard drive and preserve.
Further, each thermometric communication terminal is only managed one group of radio temperature sensor, and the ID of these radio temperature sensors needs configured in advance to be saved in the storer of thermometric communication terminal.
Further, each wireless temperature display instrument band 6 road or 3 road radio temperature sensors, respectively in every medium voltage frequency converter cabinet totally 6 or 3 measuring points monitored.
Further, in thermometric workstation industrial computer, increase communication interface board, its output port and each thermometric communication terminal wired connection are used for receiving the temperature anomaly warning that the thermometric communication terminal sends, and inquire about, add up, print the total data of measuring.
Further, also be connected with converter between thermometric workstation industrial computer and thermometric communication terminal.
The detection method of the automatic detection alarm device of temperature rise in a kind of medium voltage frequency converter cabinet, comprise the following steps: step 1, radio temperature sensor are measured the temperature of position automatically every the time of setting, and the temperature data recorded is sent to output with wireless signal; Each radio temperature sensor has unique numbering (No. ID), needs the infield of distributing, recording each radio temperature sensor during actual the use, and deposits in the configuration file of thermometric workstation industrial computer together with numbering; The temperature data that step 2, thermometric communication terminal automatic reception radio temperature sensor send, and show the temperature of each point at its wireless temperature display instrument, along a telecommunication cable of the parallel laying of detected medium voltage frequency converter cabinet, be used for gathering the signal of wireless temperature display instrument; Step 3, industrial computer are the thermometric workstation, on this industrial computer, move special software, read the temperature data of collecting in the thermometric communication terminal with being used for timing cycle, and write in local hard drive and make long preservation; Step 4, industrial computer, according to the temperature data that receives the thermometric communication terminal, are done paired abnormal temperature and are reported to the police, inquiry, statistics or the instruction of printing measurement data.
In this medium voltage frequency converter cabinet, automatic detection alarm device and the detection method thereof of temperature rise have following beneficial effect:
(1) the present invention adopts the wireless communication transmission temperature signal, has excellent heat-insulating property, therefore can directly be installed on the inlet wire contact of medium voltage frequency converter cabinet the running temperature of Measurement accuracy inlet wire contact.
(2) medium voltage frequency converter in-cabinet temperature acquisition time of the present invention interval can be set by second, and the record of assurance data, analysis promptly and accurately, provide reliable high-precision data for preparing maintenance, production scheduling etc.
(3) between radio temperature sensor of the present invention and thermometric communication terminal without any being connected wire, facilitate installation and maintenance, there is high safe reliability.Can save and purchase expensive temperature measurer, saving personnel, the minimizing workload of increasing work efficiency, minimizing accident; Realize on-line monitoring and the warning of running temperature in the medium voltage frequency converter cabinet.
The accompanying drawing explanation
Fig. 1 is the frame structure schematic diagram of the automatic detection alarm device of temperature rise in medium voltage frequency converter cabinet of the present invention.
Embodiment
Below in conjunction with Fig. 1, the present invention will be further described:
As shown in Figure 1, need on the node of monitor temperature to install a radio temperature sensor (i.e. probe) at each, this radio temperature sensor is measured the temperature of position automatically every the time of setting, and the temperature data recorded is sent to output with wireless signal.Each radio temperature sensor has unique numbering (No. ID), needs the infield of distributing, recording each sensor during actual the use, and deposits in the configuration file of thermometric workstation together with numbering.
The thermometric communication terminal is set, the temperature data that thermometric communication terminal automatic reception radio temperature sensor sends, and show the temperature of each point at its wireless temperature display instrument, along a telecommunication cable of the parallel laying of detected medium voltage frequency converter cabinet, be used for gathering the signal of wireless temperature display instrument.
Each wireless temperature display instrument band 6 road or 3 road radio temperature sensors, respectively to every medium voltage frequency converter cabinet totally 6 or 3 measuring points monitored.In the computing machine of the thermometric communication terminal temperature data uploading thermometric workstation that handle is received after the reading order of receiving the thermometric workstation.Each thermometric communication terminal is only managed one group of radio temperature sensor, and the ID of these radio temperature sensors needs configured in advance to be saved in the storer of terminal.
It is the thermometric workstation that an industrial computer is set, and on this computing machine, moves special software, reads the temperature data of collecting in communication terminal with being used for timing cycle, and writes in local hard drive and make long preservation.Each pumping plant only need be set up a thermometric workstation, increases communication interface board in workstation computer, its output and each thermometric communication terminal wired connection.Industrial computer, according to the temperature data that receives the thermometric communication terminal, is done paired abnormal temperature and is reported to the police, inquiry, statistics or the instruction of printing measurement data.There is high reliability and accuracy.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obvious realization of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technical scheme to carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all in protection scope of the present invention.
Claims (6)
1. the automatic detection alarm device of temperature rise in a medium voltage frequency converter cabinet, it is characterized in that: comprise a plurality of radio temperature sensors, radio temperature sensor directly is installed on the inlet wire contact of medium voltage frequency converter cabinet, the running temperature of Measurement accuracy inlet wire contact, and the temperature data recorded is sent to output with wireless signal; A plurality of thermometric communication terminals, the temperature data that thermometric communication terminal automatic reception radio temperature sensor sends, and show the temperature of each point at its wireless temperature display instrument; Thermometric workstation industrial computer reads the temperature data of collecting in the thermometric communication terminal with being used for timing cycle, and writes in local hard drive and preserve.
2. the automatic detection alarm device of temperature rise in the medium voltage frequency converter cabinet according to claim 1, it is characterized in that: each thermometric communication terminal is only managed one group of radio temperature sensor, and the ID of these radio temperature sensors needs configured in advance to be saved in the storer of thermometric communication terminal.
3. the automatic detection alarm device of temperature rise in the medium voltage frequency converter cabinet according to claim 1 is characterized in that: each wireless temperature display instrument band 6 road or 3 road radio temperature sensors, respectively in every medium voltage frequency converter cabinet totally 6 or 3 measuring points monitored.
4. the automatic detection alarm device of temperature rise in the medium voltage frequency converter cabinet according to claim 1, it is characterized in that: in thermometric workstation industrial computer, increase communication interface board, its output port and each thermometric communication terminal wired connection are used for receiving the temperature anomaly warning that the thermometric communication terminal sends, and inquire about, add up, print the total data of measuring.
5. the automatic detection alarm device of temperature rise in the medium voltage frequency converter cabinet according to claim 1, is characterized in that: between thermometric workstation industrial computer and thermometric communication terminal, also be connected with converter.
6. the detection method of the automatic detection alarm device of temperature rise in a medium voltage frequency converter cabinet, comprise the following steps: step 1, radio temperature sensor are measured the temperature of position automatically every the time of setting, and the temperature data recorded is sent to output with wireless signal; Each radio temperature sensor has unique numbering (No. ID), needs the infield of distributing, recording each radio temperature sensor during actual the use, and deposits in the configuration file of thermometric workstation industrial computer together with numbering; The temperature data that step 2, thermometric communication terminal automatic reception radio temperature sensor send, and show the temperature of each point at its wireless temperature display instrument, along a telecommunication cable of the parallel laying of detected medium voltage frequency converter cabinet, be used for gathering the signal of wireless temperature display instrument; Step 3, industrial computer are the thermometric workstation, on this industrial computer, move special software, read the temperature data of collecting in the thermometric communication terminal with being used for timing cycle, and write in local hard drive and make long preservation; Step 4, industrial computer, according to the temperature data that receives the thermometric communication terminal, are done paired abnormal temperature and are reported to the police, inquiry, statistics or the instruction of printing measurement data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103870401A CN103473907A (en) | 2013-08-30 | 2013-08-30 | Device for automatically detecting and warning temperature rise in medium-voltage frequency converter cabinet and detection method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103870401A CN103473907A (en) | 2013-08-30 | 2013-08-30 | Device for automatically detecting and warning temperature rise in medium-voltage frequency converter cabinet and detection method therefor |
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| CN103473907A true CN103473907A (en) | 2013-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424202A (en) * | 2015-11-05 | 2016-03-23 | 南京大全电气有限公司 | Wireless temperature measurement system and method for low-voltage switch cabinet |
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| CN101576416A (en) * | 2009-06-23 | 2009-11-11 | 西安工程大学 | System for monitoring contact temperature of high-voltage switch cabinet on line |
| CN201774315U (en) * | 2010-06-24 | 2011-03-23 | 甘肃省电力公司兰州供电公司 | Online temperature wireless monitoring system for transformer substation |
| CN203102580U (en) * | 2013-03-01 | 2013-07-31 | 杭州继保南瑞电子科技有限公司 | Wireless temperature measuring system |
| CN203405937U (en) * | 2013-08-30 | 2014-01-22 | 云南大红山管道有限公司 | Automatic detection and alarming device for temperature rise in medium-voltage frequency converter cabinet |
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2013
- 2013-08-30 CN CN2013103870401A patent/CN103473907A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2777661Y (en) * | 2005-07-27 | 2006-05-03 | 张华� | On line temp wireless monitoring system for distributing and transforming apparatus |
| CN101576416A (en) * | 2009-06-23 | 2009-11-11 | 西安工程大学 | System for monitoring contact temperature of high-voltage switch cabinet on line |
| CN201774315U (en) * | 2010-06-24 | 2011-03-23 | 甘肃省电力公司兰州供电公司 | Online temperature wireless monitoring system for transformer substation |
| CN203102580U (en) * | 2013-03-01 | 2013-07-31 | 杭州继保南瑞电子科技有限公司 | Wireless temperature measuring system |
| CN203405937U (en) * | 2013-08-30 | 2014-01-22 | 云南大红山管道有限公司 | Automatic detection and alarming device for temperature rise in medium-voltage frequency converter cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105424202A (en) * | 2015-11-05 | 2016-03-23 | 南京大全电气有限公司 | Wireless temperature measurement system and method for low-voltage switch cabinet |
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Application publication date: 20131225 |
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