CN103674297A - Temperature measurement system for cable joint of annular cabinet - Google Patents
Temperature measurement system for cable joint of annular cabinet Download PDFInfo
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- CN103674297A CN103674297A CN201310652641.0A CN201310652641A CN103674297A CN 103674297 A CN103674297 A CN 103674297A CN 201310652641 A CN201310652641 A CN 201310652641A CN 103674297 A CN103674297 A CN 103674297A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses and provides a temperature measurement system for a cable joint of an annular cabinet. A temperature sensor of the system is embedded inside the cable joint and measures temperature parameters of the cable joint, and then a signal converter transmits the temperature parameters to a processor in an optical signal mode. The processor converts the received optical signals into corresponding temperature values and compares the temperature values and a preset temperature value, and the controller controls an alarm to give out alarms when the temperature values are larger than the preset temperature value. The temperature measurement system for the cable joint of the annular cabinet can monitor the temperature of the cable joint in real time and reminds operating personnel to carry out processing on the cable joint when the temperature is too high through the alarms, and thus accidents caused by the fact that the temperature of the cable joint is too high are prevented from occurring.
Description
Technical field
The present invention relates to monitoring field, relate in particular a kind of ring-like cabinet cable splice temp measuring system.
Background technology
Along with the development of urban economy, the application of 10KV cable line in urban distribution network is more and more extensive, and ring-like cabinet is also widely applied in the middle of power distribution network cable line thereupon.In electric power system, ring-like cabinet plays an important role, once ring-like cabinet can not normally move, will cause the paralysis of whole electric power system.In numerous reasons that cause ring-like cabinet fault, the security incident that cable splice loose contact causes is the most common.Its principle is: cable splice loose contact, and can cause the resistance at cable splice place to increase, temperature raises gradually, and serious meeting causes cable splice to cross cause thermal damage, even causes fire.
Summary of the invention
In view of this, the invention provides a kind of ring-like cabinet cable splice temp measuring system, with the temperature of real-time detection streamer joint, avoid the generation of accident.
For achieving the above object, the invention provides following technical scheme:
A ring-like cabinet cable splice temp measuring system, described system comprises: be embedded in cable splice inside, measure the temperature sensor of temperature of cable junction parameter;
Be connected with described temperature sensor, the signal converter that described temperature parameter dress is transmitted in optical cable with the form of light signal;
Be connected with described signal conversion unit, described light signal is converted to temperature value, and when described temperature value exceeds preset temperature value, output control signal;
Be connected with described processor, according to the control signal of described processor output, the alarm of output alarm signal.
Preferably, stating temperature sensor is arranged on the outer conducting layer grounded part of cable splice or is arranged on the cable of cable splice.
Preferably, described signal converter is wireless temperature acquisition machine.
Preferably, when described temperature parameter is digital signal, described signal converter comprises:
The digital signal of temperature parameter is converted to the first converting unit of light signal;
Be connected with described the first converting unit, the light signal of described the first converting unit conversion be sent to the transmitting element of processor.
Preferably, when described temperature parameter is simulating signal, described signal converter also comprises: the second converting unit that the simulating signal of described temperature parameter is converted to digital signal.
Preferably, described processor comprises:
The light signal of described signal converter output is converted to electric signal, and then described electric signal is converted to the 3rd converting unit of corresponding temperature value;
Be connected with described the 3rd converting unit, the temperature value of more described the 3rd converting unit output and the comparing unit of preset temperature value;
Be connected with described comparing unit, according to the signal output unit of comparative result pipage control signal.
Preferably, described processor also comprises: be connected with described the 3rd converting unit, store the storage unit of the temperature value of described the 3rd converting unit output.
Preferably, described system also comprises: be connected with described processor, show the display of described temperature value.
Preferably, described system also comprises: the power supply that electric energy is provided to described signal converter and described processor.
Preferably, between described signal converter and described processor, by RS-485 communication interface, be connected.
Known via above-mentioned technical scheme, compared with prior art, the present invention openly provides a kind of ring-like cabinet cable splice temp measuring system.The temperature sensor of this system is embedded in cable splice inside, measures the temperature parameter of cable splice, and then signal converter is sent to processor by this temperature parameter with the form of light signal.Processor is converted to relevant temperature value by the light signal receiving, and relatively this temperature value and default temperature, and when this temperature value is greater than preset temperature value, controls alarm equipment alarm.This device can Real-Time Monitoring cable splice temperature, and when excess Temperature alarm, remind operating personnel cable splice processed, avoided the too high and generation that causes the accident of temperature of cable junction.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 shows the structural representation of an embodiment of a kind of ring-like cabinet cable splice temp measuring system of the present invention;
Fig. 2 shows the connection diagram of a kind of temperature sensor of the present invention and signal converter;
Fig. 3 shows the structural representation of another embodiment of a kind of ring-like cabinet cable splice temp measuring system of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1, show the structural representation of an embodiment of a kind of ring-like cabinet cable splice temp measuring system of the present invention.
In the present embodiment, this system comprises: temperature sensor 1, signal converter 2, processor 3 and alarm 4.
Wherein, temperature sensor 1 is embedded in cable splice inside, for detection of the temperature parameter of cable splice.
The signal converter 2 being connected with temperature sensor 1, is converted to light signal for the temperature parameter of cable splice that temperature sensor 1 is collected, so that the temperature parameter of cable splice transmits in optical cable with the form of light signal.
The processor 3 being connected with signal converter 2, the light signal of receiving signal conversion equipment 2 outputs, and this light signal is converted to corresponding temperature value.And then processor 3 is this temperature value and default temperature value relatively, and according to comparative result output control signal.
It should be noted that, unlike material, the corresponding temperature upper limit of dissimilar cable splice are different, and this default temperature value is set according to the model of cable splice voluntarily by the practitioner of electrical network.
The alarm 4 being connected with processor 3 is according to the control signal of processor output, output alarm signal.Be understandable that, while only having the temperature value of determining cable splices when processor 3 higher than default temperature value, just can export control signal, to control alarm output alarm signal.
Optionally, the alerting signal that this alarm 4 produces can be various ways, such as: sound wave is reported to the police, light wave is reported to the police.The present invention does not limit to the form of the alerting signal that this alarm 4 exports, and any type of alerting signal is all in protection scope of the present invention.
Be understandable that, in the present embodiment, this system also can comprise: the display 5 being connected with processor, this display 5 can show the temperature of cable splice in real time.Optionally, this display 5 adopts liquid crystal display.
The present invention openly provides a kind of ring-like cabinet cable splice temp measuring system.The temperature sensor of this system is embedded in cable splice inside, measures the temperature parameter of cable splice, and then signal converter is sent to processor by this temperature parameter with the form of light signal.Processor is converted to relevant temperature value by the light signal receiving, and relatively this temperature value and default temperature, and when this temperature value is greater than preset temperature value, controls alarm equipment alarm.This device can Real-Time Monitoring cable splice temperature, and when excess Temperature alarm, remind operating personnel cable splice processed, avoided the too high and generation that causes the accident of temperature of cable junction.
Be understandable that, in other embodiments of the invention, temperature sensor can be connected with signal converter by cable, also can be connected with signal conversion unit 2 by wireless network.Referring to Fig. 2, show the connection diagram of a kind of temperature sensor of the present invention and signal converter.
As shown in Figure 2: the outer conducting layer grounded part 201 of cable splice 20 is provided with through hole 202.Temperature sensor 21 is embedded in the through hole 202 of outer conducting layer grounded part 201.Temperature sensor 21 gathers the temperature parameter of cable splice 20, and the temperature parameter collecting is sent in signal converter 22.
Referring to Fig. 3, show the structural representation of another embodiment of a kind of ring-like cabinet cable splice temp measuring system of the present invention.
Different from a upper embodiment is, in the present embodiment, when the temperature parameter collecting when temperature sensor 1 is simulating signal, this signal converter 2 comprises: the temperature parameter that the form that temperature sensor is collected is simulating signal is converted to the first converting unit 31 of digital signal;
Be connected with the first converting unit, the digital signal of the first converting unit 31 outputs be converted to the first converting unit 32 of light signal.
It should be noted that, in the present embodiment, this processor comprises 3: the light signal of first signal converter 2 outputs is converted to electric signal, and then this electric signal is converted to the 3rd converting unit 33 of corresponding temperature value;
Be connected with the 3rd converting unit 33, relatively the temperature value of the 3rd converting unit 33 outputs and the comparing unit 34 of preset temperature value;
Be connected with comparing unit 34, according to the signal output unit 35 of comparative result pipage control signal
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, article or the equipment that comprises described key element and also have other identical element.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the application.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can be in the situation that do not depart from the application's spirit or scope, realization in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a ring-like cabinet cable splice temp measuring system, is characterized in that, described system comprises: be embedded in cable splice inside, measure the temperature sensor of temperature of cable junction parameter;
Be connected with described temperature sensor, the signal converter that described temperature parameter dress is transmitted in optical cable with the form of light signal;
Be connected with described signal conversion unit, described light signal is converted to temperature value, and when described temperature value exceeds preset temperature value, output control signal;
Be connected with described processor, according to the control signal of described processor output, the alarm of output alarm signal.
2. system according to claim 1, is characterized in that, described temperature sensor is arranged on the outer conducting layer grounded part of cable splice or is arranged on the cable of cable splice.
3. system according to claim 1, is characterized in that, described signal converter is wireless temperature acquisition machine.
4. system according to claim 1, is characterized in that, when described temperature parameter is digital signal, described signal converter comprises:
The digital signal of temperature parameter is converted to the first converting unit of light signal;
Be connected with described the first converting unit, the light signal of described the first converting unit conversion be sent to the transmitting element of processor.
5. system according to claim 4, is characterized in that, when described temperature parameter is simulating signal, described signal converter also comprises: the second converting unit that the simulating signal of described temperature parameter is converted to digital signal.
6. system according to claim 1, is characterized in that, described processor comprises:
The light signal of described signal converter output is converted to electric signal, and then described electric signal is converted to the 3rd converting unit of corresponding temperature value;
Be connected with described the 3rd converting unit, the temperature value of more described the 3rd converting unit output and the comparing unit of preset temperature value;
Be connected with described comparing unit, according to the signal output unit of comparative result pipage control signal.
7. system according to claim 6, is characterized in that, described processor also comprises: be connected with described the 3rd converting unit, store the storage unit of the temperature value of described the 3rd converting unit output.
8. system according to claim 1, is characterized in that, described system also comprises: be connected with described processor, show the display of described temperature value.
9. system according to claim 1, is characterized in that, described system also comprises: the power supply that electric energy is provided to described signal converter and described processor.
10. system according to claim 1, is characterized in that, between described signal converter and described processor, by RS-485 communication interface, is connected.
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CN201310652641.0A CN103674297B (en) | 2013-12-05 | 2013-12-05 | A kind of temperature measurement system for cable joint of annular cabinet |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104142186A (en) * | 2014-07-08 | 2014-11-12 | 国网山东省电力公司青岛供电公司 | Remote optical fiber cable temperature detection alarm system and method |
CN105527886A (en) * | 2015-12-04 | 2016-04-27 | 国网浙江省电力公司丽水供电公司 | Junction box remote monitoring and early warning method |
CN106768443A (en) * | 2016-12-28 | 2017-05-31 | 国网山东省电力公司济南供电公司 | A kind of high-tension cable conductor temperature measurement apparatus |
CN107144362A (en) * | 2017-06-09 | 2017-09-08 | 合肥远见电力科技有限公司 | A kind of intelligent radio temp measuring system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4962495A (en) * | 1988-10-03 | 1990-10-09 | Lucas Aerospace Power Transmission Corp. | Apparatus and method for transmitting condition data from a rotating member to a stationary device |
JPH09293190A (en) * | 1996-04-30 | 1997-11-11 | Sukeo Momose | Multipoint switch measuring system for carlson-type instrument |
CN101710003A (en) * | 2009-12-01 | 2010-05-19 | 山西大学 | On-line temperature monitoring system of high-voltage power switch |
CN202057423U (en) * | 2011-01-13 | 2011-11-30 | 固馨电气(上海)有限公司 | Temperature detection system for high voltage cable joint |
CN102339526A (en) * | 2010-07-24 | 2012-02-01 | 郑龙杰 | High voltage node wireless temperature measurement alarm system |
CN202471269U (en) * | 2012-03-09 | 2012-10-03 | 兖州东方机电有限公司 | Temperature measuring device for high-voltage charged body |
-
2013
- 2013-12-05 CN CN201310652641.0A patent/CN103674297B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4962495A (en) * | 1988-10-03 | 1990-10-09 | Lucas Aerospace Power Transmission Corp. | Apparatus and method for transmitting condition data from a rotating member to a stationary device |
JPH09293190A (en) * | 1996-04-30 | 1997-11-11 | Sukeo Momose | Multipoint switch measuring system for carlson-type instrument |
CN101710003A (en) * | 2009-12-01 | 2010-05-19 | 山西大学 | On-line temperature monitoring system of high-voltage power switch |
CN102339526A (en) * | 2010-07-24 | 2012-02-01 | 郑龙杰 | High voltage node wireless temperature measurement alarm system |
CN202057423U (en) * | 2011-01-13 | 2011-11-30 | 固馨电气(上海)有限公司 | Temperature detection system for high voltage cable joint |
CN202471269U (en) * | 2012-03-09 | 2012-10-03 | 兖州东方机电有限公司 | Temperature measuring device for high-voltage charged body |
Non-Patent Citations (1)
Title |
---|
王新超等: "电力电缆接头运行中的实时监测", 《继电器》, vol. 29, no. 8, 31 August 2001 (2001-08-31), pages 46 - 48 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104142186A (en) * | 2014-07-08 | 2014-11-12 | 国网山东省电力公司青岛供电公司 | Remote optical fiber cable temperature detection alarm system and method |
CN105527886A (en) * | 2015-12-04 | 2016-04-27 | 国网浙江省电力公司丽水供电公司 | Junction box remote monitoring and early warning method |
CN106768443A (en) * | 2016-12-28 | 2017-05-31 | 国网山东省电力公司济南供电公司 | A kind of high-tension cable conductor temperature measurement apparatus |
CN107144362A (en) * | 2017-06-09 | 2017-09-08 | 合肥远见电力科技有限公司 | A kind of intelligent radio temp measuring system |
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