CN205157064U - Smart cable temperature on -line monitoring system - Google Patents
Smart cable temperature on -line monitoring system Download PDFInfo
- Publication number
- CN205157064U CN205157064U CN201520841538.5U CN201520841538U CN205157064U CN 205157064 U CN205157064 U CN 205157064U CN 201520841538 U CN201520841538 U CN 201520841538U CN 205157064 U CN205157064 U CN 205157064U
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- cable
- monitoring system
- temperature
- signal conditioner
- bus
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Abstract
The utility model provides a smart cable temperature on -line monitoring system, it includes that temperature sensor, the first signal nurse one's health ware, first bus collector, smoke transducer, the 2nd signal conditioning ware, second bus collector, GPRS data transmission ware and surveillance center. Temperature sensor with the back is handled by the collection of bus collector through the signal conditioning ware to data that smoke transducer gathered, again by pass to on the GPRS data transmission ware the surveillance center. This smart cable temperature on -line monitoring system has the advantage of economical and practical, convenient to use and roadability ideal.
Description
Technical field
The utility model relates to a kind of cable temperature on-line monitoring system, relates to the intelligent cable temperature online monitoring system of a kind of generating plant cabling specifically.
Background technology
Along with the increase of generating plant unit installed capacity, automatization level requires corresponding raising, and cable consumption gets more and more, and a 200MW unit, all kinds of cable reaches 200-300Km.Because cable length increases, the occurrence probability also corresponding increase of its fire failure, generating plant, once there is cable fire, will cause large area cable scaling loss, cause by forced-stopping machine, and cannot resume production, cause heavy economic losses in the short time.At present mostly still adopt inflammable cable with operating generating plant building, therefore, cable fire-proof problem is particularly outstanding.Cable temperature is overheated is divided into external heat fault and internal heat fault two class: external temperature hot stall mainly refers to that exposed joint is owing to crimping the reasons such as bad, under big current effect, connector temperature raises, contact resistance increases, vicious cycle causes a hidden trouble, and this type of fault accounts for more than 90% of external heat fault; The general all fever times of internal heat fault are long and more stable, and cable and trouble spot peripheral conductor or insulating material generation heat transmit, and local temperature is raised, therefore can diagnose internal fault by the temperature rise detecting its adjacent material.
In order to solve the problem, seek a kind of safe and reliable, easy to use and intelligent cable temperature online monitoring system that operation characteristic is desirable, people are seeking a kind of desirable technical solution always.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of economical and practical, easy to use and intelligent cable temperature online monitoring system that operation characteristic is desirable.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of intelligent cable temperature online monitoring system, is characterized in that: it comprises temperature sensor, the first signal conditioner, the first bus collector, smoke transducer, secondary signal conditioner, the second bus collector, GPRS data transmitter and Surveillance center;
Described temperature sensor gathers the temperature data of the cable body of cable splice place or sectional monitoring point, described temperature sensor connects described first signal conditioner, temperature data is gathered by described first bus collector after described first signal conditioner process, then uploads to described Surveillance center by described GPRS data transmitter;
Described smoke transducer gathers in cable duct or the air data of sectional monitoring point, and air data is gathered by described second bus collector after the process of described secondary signal conditioner, then uploads to described Surveillance center by described GPRS data transmitter;
The wall-mounted display screen that described Surveillance center includes DCS industrial computer and is connected with described DCS industrial computer.
Based on above-mentioned, described smoke transducer is ionic smoke sensor sensor.
Based on above-mentioned, the wall-mounted display screen that described Surveillance center includes DCS industrial computer and is connected with described DCS industrial computer.
Based on above-mentioned, described first bus collector and described second bus collector are 485 bus collectors.
Based on above-mentioned, described first signal conditioner and described secondary signal conditioner are provided with signal isolation module.
Based on above-mentioned, described temperature sensor is digital temperature sensor.
The utility model hinge structure has substantive distinguishing features and progress, specifically, the utility model can carry out continual measurement to the temperature of cable end or cable itself, the fault trend of cable end or cable itself can be predicted, there is provided cable fault position and maintenance to instruct in time, avoid major accident occurs.Furtherly, the utility model is provided with smoke transducer, auxiliary monitoring, improves the reliability of system.This intelligent cable temperature online monitoring system has safe and reliable, easy to use and that operation characteristic is desirable advantage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1. temperature sensor, 21. first signal conditioners, 22. first signal conditioners, 31. first bus collectors, 32. second bus collectors, 4.GPRS data link, 5. cable body, 6. smoke transducer, 7. cable duct, 8.DCS industrial computer, 9. wall display-device.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of intelligent cable temperature online monitoring system, comprises temperature sensor 1, first signal conditioner 21, first bus collector 31, GPRS data transmitter 4 and Surveillance center; The input end of described temperature sensor 1 is connected to the cable body 5 of cable splice place or sectional monitoring, the output terminal of described temperature sensor 1 connects described first signal conditioner 21, temperature data is gathered by described first bus collector 31 after described first signal conditioner 21 processes, then uploads to described Surveillance center by described GPRS data transmitter 4.Due to the permanent of GPRS data transmission with linearly, the fault trend of cable end or cable body 1 can be predicted, provide cable fault position and maintenance to instruct in time, avoid major accident occurs.
The utility model also comprises smoke transducer 6, secondary signal conditioner 22 and the second bus collector 32, described smoke transducer is arranged in cable duct 7 or sectional monitoring point, gathered by described second bus collector 32 after described secondary signal conditioner 22 processes, then upload to described Surveillance center by described GPRS data transmitter 4.Described smoke transducer 6 auxiliary monitoring, improves the reliability of system.
The smog that described smoke transducer 6 monitors produces due to electric cable heating scaling loss insulation course, described smoke transducer 6 is set to ionic smoke sensor sensor, reduce the natural conditions such as environment temperature, humidity, air pressure to the impact of ionization current, improve stability, prevent wrong report.
The wall-mounted display screen 8 that described Surveillance center includes DCS industrial computer 7 and is connected with described DCS industrial computer 7, described industrial computer 7 presets conduit line simulation drawing, show physical location and all cable models that described temperature sensor 1 and described smoke transducer 6 monitor, length, cross section, the parameters such as intermediate head position, the utility model is made to have good computer interface, when in running, cable occurs abnormal, display frame and alarm sound occur simultaneously, conduit line simulation drawing by described DCS industrial computer 7 is directly checked, and the physical location that breaks down can be judged quickly and accurately, improve cable reliability of operation and technology management level largely.
Described first bus collector 21 and described second bus collector 22 are 485 bus collectors, are the collectors of employing 485 bus networking.It adopts standard communication interface and communications protocol: RS-485 and ETHERNETIEEE802.3 specification, supports IPX and ICP/IP protocol, owing to adopting ETHERNET standard, facilitates native system and managerial grid to interconnect.
Described first signal conditioner 31 and described secondary signal conditioner 32 are provided with signal isolation module, can with first bus collector 21, the second bus collector 22 at scene and communication bus completely isolated, avoid signal to be interfered.Described first signal conditioner 31 and described secondary signal conditioner are and can stand the signal condition spacer assembly that voltge surge representative value is 1500VRMS/ minute or 2005VRMS/ second, are adapted to the occasion that electric field intensity is large.
Described GPRS data transmitter 4 is the data links based on the existing GPRS network of communication operator, for realizing communication modes that is long-range, wireless, networking, upload the data to described Surveillance center by GPRS wireless communication networks.
Described temperature sensor 1 is digital temperature sensor, facilitates on-the-spot patrol officer to make an inspection tour, and improves the reliability of system.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to embodiment of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (5)
1. an intelligent cable temperature online monitoring system, is characterized in that: it comprises temperature sensor, the first signal conditioner, the first bus collector, smoke transducer, secondary signal conditioner, the second bus collector, GPRS data transmitter and Surveillance center;
Described temperature sensor gathers the temperature data of the cable body of cable splice place or sectional monitoring point, described temperature sensor connects described first signal conditioner, temperature data is gathered by described first bus collector after described first signal conditioner process, then uploads to described Surveillance center by described GPRS data transmitter;
Described smoke transducer gathers in cable duct or the air data of sectional monitoring point, and air data is gathered by described second bus collector after the process of described secondary signal conditioner, then uploads to described Surveillance center by described GPRS data transmitter;
The wall-mounted display screen that described Surveillance center includes DCS industrial computer and is connected with described DCS industrial computer.
2. intelligent cable temperature online monitoring system according to claim 1, is characterized in that: described smoke transducer is ionic smoke sensor sensor.
3. intelligent cable temperature online monitoring system according to claim 1 and 2, is characterized in that: described first bus collector and described second bus collector are 485 bus collectors.
4. intelligent cable temperature online monitoring system according to claim 3, is characterized in that: described first signal conditioner and described secondary signal conditioner are provided with signal isolation module.
5. intelligent cable temperature online monitoring system according to claim 4, is characterized in that: described temperature sensor is digital temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520841538.5U CN205157064U (en) | 2015-10-28 | 2015-10-28 | Smart cable temperature on -line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520841538.5U CN205157064U (en) | 2015-10-28 | 2015-10-28 | Smart cable temperature on -line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157064U true CN205157064U (en) | 2016-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520841538.5U Expired - Fee Related CN205157064U (en) | 2015-10-28 | 2015-10-28 | Smart cable temperature on -line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205157064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241559A (en) * | 2015-10-28 | 2016-01-13 | 河南开启电力实业有限公司 | Intelligent cable temperature on-line monitoring system |
-
2015
- 2015-10-28 CN CN201520841538.5U patent/CN205157064U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241559A (en) * | 2015-10-28 | 2016-01-13 | 河南开启电力实业有限公司 | Intelligent cable temperature on-line monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20171028 |