CN2854536Y - On-line intelligent scaning device for cable temp measuring - Google Patents
On-line intelligent scaning device for cable temp measuring Download PDFInfo
- Publication number
- CN2854536Y CN2854536Y CN200520135532.2U CN200520135532U CN2854536Y CN 2854536 Y CN2854536 Y CN 2854536Y CN 200520135532 U CN200520135532 U CN 200520135532U CN 2854536 Y CN2854536 Y CN 2854536Y
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- cable
- control computer
- digital temperature
- industrial control
- temperature sensor
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Abstract
The utility model relates to an online intelligent polling device for cable temperature measuring, comprising a digital temperature sensor, a data control station, an industrial control computer, an optical fiber separator, a printer and a network server. A plurality of data control stations are connected with the site bus wire of the industrial control computer and the optical fiber separator is connected between the industrial control computer and the bus wire. The industrial control computer is connected with the network server and the printer. A digital temperature sensor is respectively positioned at the two sides of the cable joint, away from the cable joint of 200mm to 500mm. A plurality of digital temperature sensors are connected to the cable to connect with the data control station. The utility model has the advantages of rapid and accurate data collection and control signal transmitting speed, high sensitivity and safe operation and reliability. The application of the utility model can effectively supervise the operation temperature of the power cable during the specific time and promptly and accurately reflect the fault location of the power cable to avoid the faults from occurring.
Description
Technical field
The utility model designs a kind of power cable on-Line Monitor Device, specifically passes through the cable temperature on-line intelligence inspection device of the working condition of monitoring cable temperature real time reaction cable.
Background technology
According to electric power accident circular statistics, many power departments and, cable overburden cause overheated fire disaster accident that cable duct, distribution facility taken place overheated because of cable mid head with electric unit, the loss that accident caused is extremely serious, has directly threatened power department and with the production and the personal safety of electric unit.
The accident cause is that the cable mid head crimp quality is bad, and contact resistance is excessive, and the heavy load cable is in service overheated, and the scaling loss gradually that causes at last insulating forms between line or phase fault, and moment causes that fire takes place.Because such fault can't be prevented with GPF (General Protection False, therefore device for detecting temperature must be installed on cable mid head.So 25 " counter arranging " middle expressly (1.1.11) of Electricity Department regulation, cable mid head must monitor temperature.
Present known power cable explosion-proof technology generally adopts the power cable connector place that thermometer is installed, and the artificial method of inspection regularly detects, and running time between inspections is long, and staff's electric shock accidents takes place greatly and often hand labor intensity.
Summary of the invention
The technical problems to be solved in the utility model is not possess real-time at existing monitoring technology, can not reflect the deficiency of failure cable particular location, a kind of digital temperature sensor and international advanced Lonworks field bus technique of adopting is provided, the real-time working temperature of monitoring cable, measuring accuracy height, working stability, be quick on the draw, the cable thermometric on-line intelligence inspection device of the good reliability of system.
Solve the problems of the technologies described above by the following technical solutions: a kind of cable thermometric on-line intelligence inspection device, comprise digital temperature sensor, Data Control station, industrial control computer, temperature sensing cable, fibre optic isolater, printer, the webserver, a plurality of Data Control station is connected on the fieldbus of industrial control computer, fibre optic isolater is connected between industrial control computer and the fieldbus, is connected with the webserver, printer on the output line of industrial control computer; Its structural feature is, the both sides at cable splice place are installed a digital temperature sensor respectively, at distance cable splice 200mm-500mm place digital temperature sensor are installed, and a plurality of digital temperature sensors are connected on the cable and are connected with the Data Control station.
Owing to adopted technique scheme, this device is monitored in real time to monitored cable, has guaranteed accuracy, the reliability measured.The personal monitoring of prior art is become the automated intelligent monitoring, avoided the danger in personal monitoring's process, make the observation process of this device safer.And this device adopts advanced LONWORKS field bus technique, and this technology has data acquisition and the control signal transmission speed is rapid, accurate, highly sensitive, security of operation, advantage such as reliable.
Owing to select digital data transmission for use, thereby reduced the error in image data and the translation data process significantly, make the monitoring effect of this device more perfect.Use this device, can be effectively monitoring power cable working temperature in real time, in time find the power cable potential safety hazard, the more important thing is the concrete abort situation that can promptly and accurately reflect power cable, diagnosis is in time taken measures, and avoids the generation of fault.
Description of drawings
Fig. 1 is the utility model execute-in-place syndeton synoptic diagram.
Fig. 2 is the syndeton synoptic diagram of monitoring cable splice real time temperature.
Fig. 3 is the syndeton synoptic diagram that detects whole piece cable real time temperature.
Embodiment
Below in conjunction with the drawings and the specific embodiments the utility model is further described.
Referring to accompanying drawing 1, the utility model is made up of industrial control computer 1, the webserver 2, printer 3, fibre optic isolater 4, Data Control station (SX-K) 5, digital temperature sensor (SX-C) 6, temperature sensing cable 10 etc.Article one, LONWORKS fieldbus 7 can connect 32 data control stations 5, and every section can pass 1800 meters between the station at Data Control station 5 and the station.A plurality of digital temperature sensors 6 are connected in parallel on the cable and are connected with Data Control station 5.A fibre optic isolater 4 is installed between bus 7 and industrial control computer 1, and purpose is to cause main control room staff's personal injury after avoiding breaking down, and guarantees the security of this device.Be connected with the webserver 2, printer 3 on the output line of industrial control computer 1.
Detect power cable connector with this design proposal, its embodiment is referring to accompanying drawing 2, a digital temperature sensor 6 is respectively installed in both sides at the joint 9 of tested power cable 8, even the purpose of this set is to have a digital temperature sensor 6 to damage, another still can operate as normal, can not influence the normal monitoring of cable, prolong the serviceable life of this device.At distance cable splice 9200mm-500mm place a digital temperature sensor 6 is installed also, its effect is that the temperature with cable splice 9 compares, and can in time reflect the temperature regime of cable splice 9, judges that normally whether cable splice 9 temperature.
The utility model can also be monitored the temperature of whole piece cable, and its embodiment is referring to accompanying drawing 3, if the cable load from the somewhere to the somewhere is too big, causes the whole piece cable temperature higher, in this case with temperature sensing cable 10 attached to measuring on the monitored cable 8.Temperature sensing cable 10 is made up of several digital temperature sensors 6 and cable, and a plurality of digital temperature sensors 6 are installed in forms temperature sensing cable 10 on the cable.Its monitoring effect is more accurate, timely.
Digital temperature sensor of the present utility model adopts the SX-C type, and computer software and Control Software adopt ADOS ActiveX Date Object and odbc database access technique, manage long-range and local database.This software is realized real time data acquisition, demonstration, storage data, Realtime Alerts, inquiry, the temperature difference, real-time curve, history curve etc.
The utility model cable thermometric on-line intelligence inspection device, can gather the cable temperature data in real time, be sent to computing machine by the LONWORKS network, after configuration software receives data, each bar cable temperature is carried out Treatment Analysis, and generate various forms, curve etc. show that on the duty room computer picture cable temperature real time data, historical data, Realtime Alerts, history are reported to the police and the working condition of all monitored cables.The warning upper and lower limit of temperature, the temperature difference can be set according to on-the-spot technology, produce and report to the police.
Claims (2)
1, a kind of cable thermometric on-line intelligence inspection device, comprise digital temperature sensor, Data Control station, industrial control computer, fibre optic isolater, printer, the webserver, a plurality of Data Control station is connected on the fieldbus of industrial control computer, fibre optic isolater is connected between industrial control computer and the fieldbus, is connected with the webserver, printer on the output line of industrial control computer; It is characterized in that the both sides at cable splice place are installed a digital temperature sensor respectively, at distance cable splice 200mm-500mm place digital temperature sensor is installed, a plurality of digital temperature sensors are connected on the cable and are connected with the Data Control station.
2, cable thermometric on-line intelligence inspection device according to claim 1 is characterized in that digital temperature sensor is the SX-C type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520135532.2U CN2854536Y (en) | 2005-12-09 | 2005-12-09 | On-line intelligent scaning device for cable temp measuring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520135532.2U CN2854536Y (en) | 2005-12-09 | 2005-12-09 | On-line intelligent scaning device for cable temp measuring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2854536Y true CN2854536Y (en) | 2007-01-03 |
Family
ID=37581173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200520135532.2U Expired - Fee Related CN2854536Y (en) | 2005-12-09 | 2005-12-09 | On-line intelligent scaning device for cable temp measuring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2854536Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101782866B (en) * | 2009-03-11 | 2012-09-26 | 深圳市朗科科技股份有限公司 | Data system and data system monitoring method |
| CN106297156A (en) * | 2016-10-09 | 2017-01-04 | 南京工程学院 | A kind of power plant cable fire on-line monitoring early warning system and method |
| CN107941364A (en) * | 2017-12-15 | 2018-04-20 | 中国长江电力股份有限公司 | A kind of generator excitation equipment temperature measuring equipment and method based on the more temperature transducers of infrared, fluorescence optical fiber |
-
2005
- 2005-12-09 CN CN200520135532.2U patent/CN2854536Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782866B (en) * | 2009-03-11 | 2012-09-26 | 深圳市朗科科技股份有限公司 | Data system and data system monitoring method |
| 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 |
| CN106297156A (en) * | 2016-10-09 | 2017-01-04 | 南京工程学院 | A kind of power plant cable fire on-line monitoring early warning system and method |
| CN107941364A (en) * | 2017-12-15 | 2018-04-20 | 中国长江电力股份有限公司 | A kind of generator excitation equipment temperature measuring equipment and method based on the more temperature transducers of infrared, fluorescence optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |