CN102230829A - Method and system for monitoring cables and sensing terminal - Google Patents
Method and system for monitoring cables and sensing terminal Download PDFInfo
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- CN102230829A CN102230829A CN201110154598.6A CN201110154598A CN102230829A CN 102230829 A CN102230829 A CN 102230829A CN 201110154598 A CN201110154598 A CN 201110154598A CN 102230829 A CN102230829 A CN 102230829A
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Abstract
The invention discloses a method for monitoring cables, comprising the following steps: using a sensing terminal to collect temperature state parameters of cable joints; when preset triggering is realized, transmitting reporting messages carrying the temperature parameters to a monitoring terminal by the sensing terminal via ZigBee wireless ad hoc networks; and sending the reporting messages to a monitoring center by the monitoring terminal so as to carry out monitoring by the monitoring center in accordance with the temperature parameters. According to the embodiment of the invention, the temperatures of the cable joints can be monitored effectively, and the monitoring can be realized in accordance with the reported temperature parameters; and the temperatures of the cable joints can be monitored effectively, thus fire disasters caused by high temperature which is resulted from damaged joints can be avoided, and the monitoring difficulty of maintenance personnel can be reduced.
Description
Technical field
The present invention relates to power domain, relate in particular to a kind of cable monitoring method, system and sensing terminal.
Background technology
In underground cable line, owing to the limited length of unit cable and cable when longer distributed capacitance exist and cause cable two ends induced voltage excessive, when the distance of power supply is longer, inevitably intermediate head will appear.The intermediate head of cable is the weakest link in the safe operation of power system, influenced by the not good and manufacture craft imperfection of the performance of insulating material etc., and the restriction of the crimp quality of cable intermediate joint, cause the working time of the overheated accident of burning of the easy more generation of lengthening joint more.Simultaneously, after big electric current (overload) operation after a while, produce overheated, oxidation at crimping point place, contact resistance increases gradually, and contact temperature raises gradually, makes insulation ag(e)ing, finally causes insulation course to damage and the generation that causes the accident.
Summary of the invention
Embodiment of the invention technical matters to be solved is to provide a kind of cable monitoring method, system and sensing terminal, can effectively monitor the temperature of cable splice, prevent that joint from producing the fire that high temperature causes because of damaging, and reduces maintainer's supervision difficulty simultaneously.
In order to solve the problems of the technologies described above, the embodiment of the invention provides a kind of cable monitoring method, comprising:
Sensing terminal is gathered the state of temperature parameter at cable splice place;
When arriving predetermined trigger, the reporting message that described sensing terminal will carry described temperature parameter is sent to monitor terminal by the ZigBee wireless self-networking;
Described monitor terminal is sent to Surveillance center so that this Surveillance center monitors according to described temperature parameter with described reporting message.
Further, the state of temperature parameter at described collection cable splice place is specially: gather the state of temperature parameter that the state of temperature parameter at cable splice place or cycle gather the cable splice place in real time.
Further, described arrival predetermined trigger comprises:
The time that arrival sets in advance; Or,
The temperature at cable splice place arrives the temperature that sets in advance; Or,
Receive acquisition instructions.
Further, described Surveillance center monitors according to described temperature parameter and comprises:
Described Surveillance center judges whether the needs warning according to default alarm threshold value after receiving described temperature parameter;
If the judgment is Yes, then determine the alert level of described temperature parameter according to default warning strategy; Otherwise, do not report to the police.
Accordingly, the embodiment of the invention provides a kind of cable monitoring system, comprising:
Sensing terminal is used to gather the state of temperature parameter at cable splice place; When arriving predetermined trigger, the reporting message that described sensing terminal will carry described temperature parameter is sent to monitor terminal by the ZigBee wireless self-networking;
Described monitor terminal is used for described reporting message is sent to Surveillance center;
Described Surveillance center is used for monitoring according to this temperature parameter.
Further, this system also comprises:
Concentrator is used to receive the temperature parameter of described monitoring terminal transmission and this temperature parameter is forwarded to Surveillance center.
Further, described Surveillance center comprises:
Receiving element is used to receive described reporting message;
Judging unit is used for judging whether the needs warning according to default alarm threshold value;
Processing unit when described judgment unit judges need be reported to the police, is determined the alert level of described temperature parameter according to default warning strategy; Otherwise, do not report to the police.
Accordingly, the embodiment of the invention also provides a kind of sensing terminal, comprising:
Temperature sensor is used to measure the state of temperature parameter at cable splice place;
Generation unit is used for when arriving default the triggering, with the temperature parameter generation reporting message of described temperature sensor measurement;
Transmitting element is used for by the ZigBee wireless self-networking described reporting message being sent to monitor terminal.
Further, this sensing terminal also comprises:
Determining unit is used to judge whether to arrive described default triggering, generates reporting message being judged as the temperature parameter with described temperature sensor measurement of described generation unit when being; Otherwise, do not generate reporting message.
Further, described arrival predetermined trigger comprises:
The time that arrival sets in advance; Or,
The temperature at cable splice place arrives the temperature that sets in advance; Or,
Receive acquisition instructions.
The embodiment of the invention can effectively be monitored the temperature of cable splice, and monitors according to the temperature parameter that reports.The present invention can effectively monitor the temperature of cable splice, prevents that joint from producing the fire that high temperature causes because of damaging, and reduces maintainer's supervision difficulty simultaneously.
Description of drawings
Fig. 1 realizes the first embodiment process flow diagram of cable monitoring method for the present invention;
Fig. 2 realizes the second embodiment process flow diagram of cable monitoring method for the present invention;
Fig. 3 realizes the embodiment process flow diagram of cable monitoring system for the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the embodiment of the invention is described in further detail below in conjunction with accompanying drawing.
See also Fig. 1, Fig. 1 realizes the first embodiment process flow diagram of cable monitoring method for the present invention.As shown in Figure 1, the flow process of this method specifically comprises:
Step S101, sensing terminal is gathered the state of temperature parameter at cable splice place.
Step S102, when arriving predetermined trigger, the reporting message that described sensing terminal will carry described temperature parameter is sent to monitor terminal by the ZigBee wireless self-networking.
Step S103, described monitor terminal is sent to Surveillance center so that this Surveillance center monitors according to described temperature parameter with described reporting message.
The embodiment of the invention can effectively be monitored the temperature of cable splice, and monitors according to the temperature parameter that reports.The present invention can effectively monitor the temperature of cable splice, prevents that joint from producing the fire that high temperature causes because of damaging, and reduces maintainer's supervision difficulty simultaneously.
See also Fig. 2, Fig. 2 realizes the second embodiment process flow diagram of cable monitoring method for the present invention.As shown in Figure 2, the flow process of this method specifically comprises:
Step S201, sensing terminal is gathered the state of temperature parameter at cable splice place.
Sensing terminal can be gathered the state of temperature parameter at cable splice place in real time in the present embodiment, also can gather the state of temperature parameter at cable splice place the cycle.Concrete, sensing terminal is monitored the temperature at cable splice place and formation temperature state parameter in real time by temperature sensor.Perhaps, set in advance collection period, when arriving this cycle, the state of temperature parameter at sensing terminal monitoring cable splice place, and formation temperature state parameter, remaining time sensing terminal close automatically or standby to save electric weight.For example, collection period can be set to per hour gather once, and collection one in per 12 hours is inferior, and concrete can be provided with according to the user demand of reality.Simultaneously, this sensing terminal can also be after the acquisition instructions that receives Surveillance center's transmission, the collecting temperature parameter.
Step S202, when arriving predetermined trigger, described sensing terminal generates reporting message with the temperature parameter of gathering.
In the present embodiment,, then can comprise corresponding temperature parameter of the fixing moment and this moment in the reporting message if the temperature parameter of gathering is more.Perhaps, set in advance reporting policy, for example report the highest parameter of temperature in a certain period, promptly sensing terminal can report the row filter that advances.The positional information that also comprises this sensing terminal place in this reporting message.
Arriving predetermined triggering in the present embodiment comprises:
The time that arrival sets in advance promptly is provided with regular time periodic report temperature parameter, for example reports every one hour, after calling time on being provided with initially so, then generates reporting message automatically every one hour; Or,
The temperature at cable splice place arrives the temperature that sets in advance, and for example reports after the paranormal serviceability temperature certain limit of temperature, as reporting after reaching 100 ℃ when cable splice place temperature; Or,
Receive acquisition instructions, for example maintainer's interim maintenance or can directly send acquisition instructions when checking.
Step S203 is sent to monitor terminal with the reporting message that carries described temperature parameter by the ZigBee wireless self-networking.
In the present embodiment, sensing terminal transmits monitor terminal by the ZigBee wireless self-networking.Wherein, when a monitor terminal has a plurality of cable splice under its command, the sensing terminal of respective amount can be set, form the ZigBee MANET between the sensing terminal that is provided with, grow for distance between the cable splice, can between two distances sensing terminal far away, increase transit module, be used to form the ZigBee MANET that to transmit.
Step S204, described monitor terminal is sent to Surveillance center with described reporting message.
In the present embodiment, reporting message is sent to Surveillance center, can earlier described reporting message be sent to concentrator by wireless signal or by circuit, described concentrator is forwarded to Surveillance center with described reporting message; Described Surveillance center is portable terminal and/or main station system.In some electrical network, monitoring terminal can directly be sent to Surveillance center with reporting message by networks such as GSM, CDMA.
Step S205, Surveillance center monitors according to described temperature parameter.
In the present embodiment, described Surveillance center monitors according to described temperature parameter and comprises:
A, described Surveillance center judge whether the needs warning according to default alarm threshold value after receiving described temperature parameter; For example, threshold value is set, under threshold value, does not report to the police, surpass this threshold value Surveillance center and report to the police according to the temperature rising scope of degree of aging.
B, if the judgment is Yes then determines the alert level of described temperature parameter according to default warning strategy; Otherwise, do not report to the police; Concrete, can alarm level be set according to the concrete numerical value of temperature, the state that for example occurs exceeding is a little then reported to the police for inferior grade, and prompting can be safeguarded; When temperature exceeds higher state, then carry out the warning of middle grade, prompting must be safeguarded in a short time; When temperature reaches may cause great damage the time, then carry out high-grade warning, prompting must be handled immediately.
The embodiment of the invention can effectively be monitored the temperature of cable splice, and monitors according to the temperature parameter that reports.The present invention can effectively monitor the temperature of cable splice, prevents that joint from producing the fire that high temperature causes because of damaging, and reduces maintainer's supervision difficulty simultaneously.
See also Fig. 3, Fig. 3 realizes the embodiment process flow diagram of cable monitoring system for the present invention.As shown in Figure 3, this system comprises: sensing terminal 310, monitor terminal 320, concentrator 330 and Surveillance center 340.
Wherein, sensing terminal 310 specifically comprises: temperature sensor 311, determining unit 312, generation unit 313 and transmitting element 314, said units connects successively.
Determining unit 312 is used to judge whether to arrive described default triggering, generates reporting message being judged as the temperature parameter with described temperature sensor measurement of described generation unit when being; Otherwise, do not generate reporting message.
Arriving predetermined triggering in the present embodiment comprises:
The time that arrival sets in advance promptly is provided with regular time periodic report temperature parameter, for example reports every one hour, after calling time on being provided with initially so, then generates reporting message automatically every one hour; Or,
The temperature at cable splice place arrives the temperature that sets in advance, and for example reports after the paranormal serviceability temperature certain limit of temperature, as reporting after reaching 100 ℃ when cable splice place temperature; Or,
Receive acquisition instructions, for example maintainer's interim maintenance or can directly send acquisition instructions when checking.
In the present embodiment,, then can comprise the fixing moment and corresponding temperature parameter of this moment in the reporting message that generation unit 313 generates if the temperature parameter that temperature sensor 311 is gathered is more.Perhaps, set in advance reporting policy, for example report the highest parameter of temperature in a certain period, promptly sensing terminal can report the row filter that advances.The positional information that also comprises this sensing terminal place in this reporting message.
Transmitting element 314 is used for by the ZigBee wireless self-networking described reporting message being sent to monitor terminal.
In the present embodiment, monitor terminal 320 can be sent to concentrator 330 with described reporting message by wireless signal or by circuit earlier, and described concentrator 330 is forwarded to Surveillance center 340 with described reporting message; Described Surveillance center 340 is portable terminal and/or main station system.In some electrical network, monitoring terminal 320 can directly be sent to Surveillance center 340 with reporting message by networks such as GSM, CDMA.
Wherein, Surveillance center 340 specifically comprises: receiving element 341 and judging unit 342.
Receiving element 341 is used to receive described reporting message; Judging unit 342 is used for judging whether the needs warning according to default alarm threshold value; When processing unit 343 need be reported to the police in described judgment unit judges, determine the alert level of described temperature parameter according to default warning strategy; Otherwise, do not report to the police.
Described receiving element 341 is after receiving described temperature parameter, and judging unit 342 judges whether the needs warning according to default alarm threshold value; For example, threshold value is set, under threshold value, does not report to the police, surpass this threshold value Surveillance center and report to the police according to the temperature rising scope of degree of aging.
Judging unit 342 if the judgment is Yes, then processing unit 343 is determined the alert level of described temperature parameter according to default warning strategy; Otherwise, do not report to the police; Concrete, can alarm level be set according to the concrete numerical value of temperature, the state that for example occurs exceeding is a little then reported to the police for inferior grade, and prompting can be safeguarded; When temperature exceeds higher state, then carry out the warning of middle grade, prompting must be safeguarded in a short time; When temperature reaches may cause great damage the time, then carry out high-grade warning, prompting must be handled immediately.
In addition, a plurality of sensing terminals be can adopt in the native system, can reporting message or other data be transmitted by the ZigBee wireless self-networking between the sensing terminal.Concrete, when a monitor terminal has a plurality of cable splice under its command, the sensing terminal of respective amount can be set, form the ZigBee MANET between the sensing terminal that is provided with, grow for distance between the cable splice, can between two distances sensing terminal far away, increase transit module, be used to form the ZigBee MANET that to transmit.
The embodiment of the invention can effectively be monitored the temperature of cable splice, and monitors according to the temperature parameter that reports.The present invention can effectively monitor the temperature of cable splice, prevents that joint from producing the fire that high temperature causes because of damaging, and reduces maintainer's supervision difficulty simultaneously.
More than cited only be preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. a cable monitoring method is characterized in that, comprising:
Sensing terminal is gathered the state of temperature parameter at cable splice place;
When arriving predetermined trigger, the reporting message that described sensing terminal will carry described temperature parameter is sent to monitor terminal by the ZigBee wireless self-networking;
Described monitor terminal is sent to Surveillance center so that this Surveillance center monitors according to described temperature parameter with described reporting message.
2. cable monitoring method as claimed in claim 1 is characterized in that, the state of temperature parameter at described collection cable splice place is specially: gather the state of temperature parameter at cable splice place or the state of temperature parameter at cycle collection cable splice place in real time.
3. cable monitoring method as claimed in claim 1 is characterized in that, described arrival predetermined trigger comprises:
The time that arrival sets in advance; Or,
The temperature at cable splice place arrives the temperature that sets in advance; Or,
Receive acquisition instructions.
4. cable monitoring method as claimed in claim 1 is characterized in that, described Surveillance center monitors according to described temperature parameter and comprises:
Described Surveillance center judges whether the needs warning according to default alarm threshold value after receiving described temperature parameter;
If the judgment is Yes, then determine the alert level of described temperature parameter according to default warning strategy; Otherwise, do not report to the police.
5. a cable monitoring system is characterized in that, comprising:
Sensing terminal is used to gather the state of temperature parameter at cable splice place; When arriving predetermined trigger, the reporting message that described sensing terminal will carry described temperature parameter is sent to monitor terminal by the ZigBee wireless self-networking;
Described monitor terminal is used for described reporting message is sent to Surveillance center;
Described Surveillance center is used for monitoring according to this temperature parameter.
6. cable monitoring as claimed in claim 5 system is characterized in that, also comprises:
Concentrator is used to receive the temperature parameter of described monitoring terminal transmission and this temperature parameter is forwarded to Surveillance center;
Wherein, described arrival predetermined trigger comprises:
The time that arrival sets in advance; Or,
The temperature at cable splice place arrives the temperature that sets in advance; Or,
Receive acquisition instructions.
7. cable monitoring as claimed in claim 5 system is characterized in that described Surveillance center comprises:
Receiving element is used to receive described reporting message;
Judging unit is used for judging whether the needs warning according to default alarm threshold value;
Processing unit when described judgment unit judges need be reported to the police, is determined the alert level of described temperature parameter according to default warning strategy; Otherwise, do not report to the police.
8. a sensing terminal is characterized in that, comprising:
Temperature sensor is used to measure the state of temperature parameter at cable splice place;
Generation unit is used for when arriving default the triggering, with the temperature parameter generation reporting message of described temperature sensor measurement;
Transmitting element is used for by the ZigBee wireless self-networking described reporting message being sent to monitor terminal.
9. sensing terminal as claimed in claim 8 is characterized in that, also comprises:
Determining unit is used to judge whether to arrive described default triggering, generates reporting message being judged as the temperature parameter with described temperature sensor measurement of described generation unit when being; Otherwise, do not generate reporting message.
10. sensing terminal as claimed in claim 9 is characterized in that, described arrival predetermined trigger comprises:
The time that arrival sets in advance; Or,
The temperature at cable splice place arrives the temperature that sets in advance; Or,
Receive acquisition instructions.
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| CN201110154598.6A CN102230829A (en) | 2011-06-09 | 2011-06-09 | Method and system for monitoring cables and sensing terminal |
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| CN201110154598.6A CN102230829A (en) | 2011-06-09 | 2011-06-09 | Method and system for monitoring cables and sensing terminal |
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| CN102570611A (en) * | 2012-01-19 | 2012-07-11 | 深圳吉天广通科技有限公司 | Real-time bus working state monitoring method and intelligent bus system |
| CN102662130A (en) * | 2012-06-05 | 2012-09-12 | 广东电网公司电力科学研究院 | Underground cable joint management system and method |
| CN102818593A (en) * | 2012-08-14 | 2012-12-12 | 苏州左海电气有限公司 | Power cable intermediate head online monitoring data centralizing and transmitting device |
| CN103390338A (en) * | 2013-07-30 | 2013-11-13 | 国家电网公司 | Device for acquiring temperature of substation equipment |
| CN104618867A (en) * | 2014-12-30 | 2015-05-13 | 山东康威通信技术股份有限公司 | Bluetooth based power tunnel position information pushing method |
| CN104732688A (en) * | 2015-03-11 | 2015-06-24 | 国家电网公司 | Power cable tending and monitoring anti-theft alarming system and monitoring alarming method |
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| CN106940414A (en) * | 2017-05-16 | 2017-07-11 | 国家电网公司 | Power circuit monitoring method and device |
| CN107091961A (en) * | 2017-06-27 | 2017-08-25 | 国家电网公司 | Electric power monitoring method and system based on user side |
| CN107167656A (en) * | 2017-06-12 | 2017-09-15 | 国家电网公司 | Electricity consumption monitoring method and device based on intelligent electric meter |
| CN107192920A (en) * | 2017-06-27 | 2017-09-22 | 国家电网公司 | Electric power monitoring method and system based on information transit node |
| CN111422221A (en) * | 2020-03-25 | 2020-07-17 | 南京铁道职业技术学院 | Alarm message transmission system and method for high-speed rail self-powered |
| WO2021114286A1 (en) * | 2019-12-13 | 2021-06-17 | 华为技术有限公司 | Control method and apparatus |
| CN113252742A (en) * | 2021-03-09 | 2021-08-13 | 浙江新图维电子科技有限公司 | Lead sealing damage detection device and method based on distributed capacitance detection technology |
| CN113959569A (en) * | 2021-10-25 | 2022-01-21 | 京东方科技集团股份有限公司 | Temperature measurement method and device, temperature measurement equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102570611B (en) * | 2012-01-19 | 2013-01-02 | 深圳吉天广通科技有限公司 | Real-time bus working state monitoring method and intelligent bus system |
| CN102570611A (en) * | 2012-01-19 | 2012-07-11 | 深圳吉天广通科技有限公司 | Real-time bus working state monitoring method and intelligent bus system |
| CN102662130A (en) * | 2012-06-05 | 2012-09-12 | 广东电网公司电力科学研究院 | Underground cable joint management system and method |
| CN102818593A (en) * | 2012-08-14 | 2012-12-12 | 苏州左海电气有限公司 | Power cable intermediate head online monitoring data centralizing and transmitting device |
| CN103390338A (en) * | 2013-07-30 | 2013-11-13 | 国家电网公司 | Device for acquiring temperature of substation equipment |
| CN104618867A (en) * | 2014-12-30 | 2015-05-13 | 山东康威通信技术股份有限公司 | Bluetooth based power tunnel position information pushing method |
| CN104618867B (en) * | 2014-12-30 | 2018-05-15 | 山东康威通信技术股份有限公司 | A kind of electric power tunnel positional information method for pushing based on bluetooth |
| CN104732688A (en) * | 2015-03-11 | 2015-06-24 | 国家电网公司 | Power cable tending and monitoring anti-theft alarming system and monitoring alarming method |
| CN104833894B (en) * | 2015-06-05 | 2018-02-27 | 国家电网公司 | The fault monitoring system and fault monitoring method of a kind of electrical equipment |
| CN104833894A (en) * | 2015-06-05 | 2015-08-12 | 国家电网公司 | Electrical device fault monitoring system and fault monitoring method |
| CN106019070B (en) * | 2016-07-05 | 2018-12-07 | 贵州电网有限责任公司电力科学研究院 | A kind of copper-aluminium transition connection terminal working condition on-Line Monitor Device and monitoring method |
| CN106019070A (en) * | 2016-07-05 | 2016-10-12 | 贵州电网有限责任公司电力科学研究院 | On-line monitoring device and monitoring method for working state of copper-aluminum composite connection terminal |
| CN106940414A (en) * | 2017-05-16 | 2017-07-11 | 国家电网公司 | Power circuit monitoring method and device |
| CN107167656A (en) * | 2017-06-12 | 2017-09-15 | 国家电网公司 | Electricity consumption monitoring method and device based on intelligent electric meter |
| CN107192920A (en) * | 2017-06-27 | 2017-09-22 | 国家电网公司 | Electric power monitoring method and system based on information transit node |
| CN107091961A (en) * | 2017-06-27 | 2017-08-25 | 国家电网公司 | Electric power monitoring method and system based on user side |
| WO2021114286A1 (en) * | 2019-12-13 | 2021-06-17 | 华为技术有限公司 | Control method and apparatus |
| CN111422221A (en) * | 2020-03-25 | 2020-07-17 | 南京铁道职业技术学院 | Alarm message transmission system and method for high-speed rail self-powered |
| CN113252742A (en) * | 2021-03-09 | 2021-08-13 | 浙江新图维电子科技有限公司 | Lead sealing damage detection device and method based on distributed capacitance detection technology |
| CN113959569A (en) * | 2021-10-25 | 2022-01-21 | 京东方科技集团股份有限公司 | Temperature measurement method and device, temperature measurement equipment and storage medium |
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