CN207379627U - Electrical cable intelligent temperature measurement and alarm device - Google Patents
Electrical cable intelligent temperature measurement and alarm device Download PDFInfo
- Publication number
- CN207379627U CN207379627U CN201720741485.9U CN201720741485U CN207379627U CN 207379627 U CN207379627 U CN 207379627U CN 201720741485 U CN201720741485 U CN 201720741485U CN 207379627 U CN207379627 U CN 207379627U
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- optical
- cable
- grating
- temperature
- alarm device
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Abstract
The utility model is related to cable temperature field of measuring technique, especially electrical cable intelligent temperature measurement and alarm device, including instrument operating room, optical cable connecting box and several optical branching boxes, instrument operating room includes fire control device, fibre optical sensor analyzer, liquid crystal display and audible-visual annunciator, fire control device, liquid crystal display connects optical cable connecting box with audible-visual annunciator by optical fiber sensing analyzer, fiber optic closure connects optical branching box, the optical branching box is provided with grating temperature measuring point, grating temperature measuring point is connected with grating temperature transducer, optical branching box, it is connected between optical branching box by optical cable.The utility model advantageous effect：The utility model is good without pyroelectric monitor, security;The intrinsic insulation of fiber-optical grating temperature sensor, monitoring field are without power supply, and securely and reliably, measurement is accurate, stability is good；Thermometric accuracy reaches ± 0.5 DEG C, and from electromagnetic interference, sensor is without zero shift, and long-time service is without correction；Real-time online, autgmentability are strong.
Description
Technical field
The utility model is related to cable temperature field of measuring technique, especially electrical cable intelligent temperature measurement and alarm device.
Background technology
Used hand dipping and electronic surveying in the parameter measurement of some dangerous situations in the past more；Innovative fortune of the invention
With fiber grating, this without pyroelectric monitor method solves the problems, such as cable temperature without pyroelectric monitor pre-alarm, the peace for solving electric power facility
Full hidden danger.The critical facility with digital management can be monitored as the electric power safety using this device, to improve management, is perfected
Security system prevents the generation of accident risks.
Fiber grating is a kind of all -fiber passive device, compared with ordinary sensors, has the advantages that incomparable and spy
Point.Its essence is explosion-proof, without fax sense, chemical stabilization, long transmission distance, available for the absolute measurement to extraneous parameter, this spy
Property is in sensor field, it is using the features such as with high content of technology, good in economic efficiency, penetrating power is strong, market prospects are wide as common people institute
It attractes attention
Therefore, for the above problem, it is necessary to propose electrical cable intelligent temperature measurement and alarm device.
Utility model content
The utility model aim is to overcome deficiency of the prior art, provides electrical cable intelligent temperature measurement and alarm device, in advance
Know and prevent the generation of accident, monitor the temperature of abort situation, report to the related fault condition of operator on duty, severity, place
Place, so as to timely processing.It solves security risk and establishes total digitalization management, solve the hidden of current power safety monitoring
Trouble or weak link improve the digital management level of electric power facility, are effective prevention and reduction cable fault
Method.
In order to solve the above-mentioned technical problem, the utility model is to be achieved through the following technical solutions：
Electrical cable intelligent temperature measurement and alarm device, including instrument operating room, optical cable connecting box and several optical branching boxes, the instrument
Device operating room includes fire control device, fibre optical sensor analyzer, liquid crystal display and audible-visual annunciator, the fire control
Device, liquid crystal display and audible-visual annunciator connect optical cable connecting box by optical fiber sensing analyzer, and the optical cable connecting box connects
Optical branching box is connect, the optical branching box is provided with grating temperature measuring point, and the grating temperature measuring point is connected with grating temperature transducer, institute
Optical branching box is stated, is connected between several described optical branching boxes by optical cable.
Preferably, the grating temperature transducer is mounted on by the way of binding on cable as requested when layouting.
Preferably, the grating temperature transducer is connected by optical fiber with optical fiber and grating sensing temperature signal processor.
Preferably, the optical cable includes branch's single fiber cable and main cable, and branch's single fiber cable and main cable exist
Connection in splicing box.
Preferably, the main cable other end is connected by special equipment on line with fiber grating demodulation device.
Preferably, in grating temperature transducer suit high temperature resistant, explosion-proof, etch-proof porcelain bushing.
Preferably, the grating temperature transducer is mounted in cable tray for collection site temperature, passes through transmission light
The optical signal collected is returned to optical fiber and grating sensing temperature signal processor by cable.
Preferably, optical fiber and grating sensing temperature detector, transmission cable and fiber Bragg grating signal processor.
The utility model advantageous effect：The utility model is good without pyroelectric monitor, security；Fiber-optical grating temperature sensor is intrinsic
Insulation, monitoring field are without power supply, and securely and reliably, measurement is accurate, stability is good；Thermometric accuracy reaches ± 0.5 DEG C, from electricity
Magnetic disturbance, sensor is without zero shift, and long-time service is without correction；Real-time online, 24 it is small when guard, it is round-the-clock on duty, prevent people
For carelessness；Autgmentability is strong：Single channel may be employed to 24 passages in system, can at most measure 432 points, can be conveniently and in electric power
Portion's net connection supports IEC60870-5-104 specifications；Measuring speed is fast, using synchronous scanning, parallel detecting technology, several seconds
Temperature data acquisition and transmission can be completed in clock；The measurement of temperature rise rate can be achieved, strong skill is provided for temperature monitoring
Art is supported；Remote transmission, distance, to dozens of kilometres, are easy to networking up to several kilometers.
The technique effect of the design of the utility model, concrete structure and generation is made furtherly below with reference to attached drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Reference numeral in figure：1- fire control devices；2- optical fiber sensing analyzers；3- liquid crystal displays；4- audible-visual annunciators；
5- optical cable connecting boxes；6- optical cables；7- optical branching boxes；8- grating temperature measuring points；9- grating temperature transducers.
Specific embodiment
The embodiment of the utility model is described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
As shown in Figure 1, electrical cable intelligent temperature measurement and alarm device, including instrument operating room, optical cable connecting box and several light point
Road box, the instrument operating room include fire control device, fibre optical sensor analyzer, liquid crystal display and audible-visual annunciator, institute
State fire control device, liquid crystal display connects optical cable connecting box, the light with audible-visual annunciator by optical fiber sensing analyzer
Cable splice tray connects optical branching box, and the optical branching box is provided with grating temperature measuring point, and the grating temperature measuring point is connected with grating survey
Temperature sensor, the optical branching box are connected by optical cable between several described optical branching boxes.
Further, the grating temperature transducer is mounted on cable when layouting by the way of binding as requested
On, the grating temperature transducer is connected by optical fiber with optical fiber and grating sensing temperature signal processor.
Further, the optical cable includes branch's single fiber cable and main cable, and branch's single fiber cable and main cable are equal
It is connected in splicing box, the main cable other end is connected by special equipment on line with fiber grating demodulation device.
Further, in grating temperature transducer suit high temperature resistant, explosion-proof, etch-proof porcelain bushing, the light
Grid temperature transducer is mounted in cable tray for collection site temperature, is passed back the optical signal collected by transmission cable
Give optical fiber and grating sensing temperature signal processor.
Further, optical fiber and grating sensing temperature detector, transmission cable and fiber Bragg grating signal processor.
The basic principle of optical fiber and grating sensing temperature detection system is:When a variety of factors cause fiber grating temperature on cable
When degree, deformation change, screen periods or fiber core refractive index will be caused to generate variation, so as to generate grating Bragg letter
Number wavelength shift Δ λ, by monitoring the situation of change of bragg wavelength, fiber grating ambient temperature on cable can be obtained
Changing condition, when the variation of temperature or warm variable Rate are more than some threshold value being previously set, you can provide alarm signal.
It follows that optical fiber and grating sensing temperature detection system is using digital measurement technology, with conventional measurement techniques phase
Than having higher stability；Non-electric detection is used, thus security is more preferable.
Fiber grating sensing system：The quasi-distributed fiber grating sensing technology of system application, passes through fiber grating sense
The measured object scale of construction is transformed into the optical signal convenient for record and reprocessing by warm detector.The signal of detector output is optical signal,
Directly transmitted at a distance by optical cable.
Fiber grating network system:The function of the system is the optical fiber and grating sensing temperature detectable signal by being placed on monitoring room
The optical signal that fiber-optic grating sensor comes through optical cable remote transmission is directly demodulated by processor, and alarm signal is transmitted
Give fire alarm controller system.
Optical-fibre communications transmission network：The monitoring point of different position can use optical cable that transmission signal directly is introduced center and supervise
It controls in information processing and the analysis system of room.
Information processing and analysis system：The system is made of optical fiber and grating sensing temperature detectable signal processor, signal processor
The information that system function includes system collects, handles, transmits analysis, transmission, early warning, warning function；
Cable temperature measurement early warning system forms:Cable temperature measurement early warning system be by optical fiber and grating sensing temperature detector, transmission cable,
Fiber Bragg grating signal processor forms.
All the sensors serial or parallel connection is connected into m groups and is connected to by optical cable on m passage of control room (FBG) demodulator, demodulation
The wavelength value of sensor is converted into temperature value by instrument；It can determine whether which cable cabinet is abnormal according to the situation of alarm, and in time
Necessary measure is taken to prevent the generation of accident；Grating heat detector suit high temperature resistant, explosion-proof, etch-proof porcelain bushing
In, strengthen the protection to fiber grating.
The utility model is good without pyroelectric monitor, security；The intrinsic insulation of fiber-optical grating temperature sensor, monitoring field need not supply
Electricity, securely and reliably, measurement is accurate, stability is good；Thermometric accuracy reaches ± 0.5 DEG C, and from electromagnetic interference, sensor is without drift
It moves, long-time service is without correction；Real-time online, 24 it is small when guard, it is round-the-clock on duty, prevent human negligence；Autgmentability is strong：System
Single channel may be employed to 24 passages, can at most measure 432 points, can conveniently contact, support with electric power internal network
IEC60870-5-104 specifications；Measuring speed is fast, and using synchronous scanning, parallel detecting technology, temperature can be completed in the several seconds
Data acquisition and transmission；The measurement of temperature rise rate can be achieved, strong technical support is provided for temperature monitoring；Remote transmission,
Distance, to dozens of kilometres, is easy to networking up to several kilometers.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.
Claims (8)
1. electrical cable intelligent temperature measurement and alarm device, it is characterised in that：Including instrument operating room, optical cable connecting box and several optical branchings
Box, the instrument operating room includes fire control device, fibre optical sensor analyzer, liquid crystal display and audible-visual annunciator, described
Fire control device, liquid crystal display and audible-visual annunciator connect optical cable connecting box, the optical cable by optical fiber sensing analyzer
Splice tray connects optical branching box, and the optical branching box is provided with grating temperature measuring point, and the grating temperature measuring point is connected with grating thermometric
Sensor, the optical branching box are connected by optical cable between several described optical branching boxes.
2. electrical cable intelligent temperature measurement and alarm device as described in claim 1, it is characterised in that：The grating temperature transducer according to
It is required that it is mounted on when layouting by the way of binding on cable.
3. electrical cable intelligent temperature measurement and alarm device as described in claim 1, it is characterised in that：The grating temperature transducer passes through
Optical fiber is connected with optical fiber and grating sensing temperature signal processor.
4. electrical cable intelligent temperature measurement and alarm device as described in claim 1, it is characterised in that：The optical cable includes branch's single light
Cable and main cable, branch's single fiber cable and main cable connect in splicing box.
5. electrical cable intelligent temperature measurement and alarm device as claimed in claim 4, it is characterised in that：The main cable other end passes through special
It is connected with equipment on line with fiber grating demodulation device.
6. electrical cable intelligent temperature measurement and alarm device as described in claim 1, it is characterised in that：The grating temperature transducer suit
In high temperature resistant, explosion-proof, etch-proof porcelain bushing.
7. electrical cable intelligent temperature measurement and alarm device as described in claim 1, it is characterised in that：The grating temperature transducer installation
For collection site temperature in cable tray, the optical signal collected is returned to by optical fiber and grating sensing temperature by transmission cable and is believed
Number processor.
8. electrical cable intelligent temperature measurement and alarm device as described in claim 1, it is characterised in that：Optical fiber and grating sensing temperature detector passes
Lose cable and fiber Bragg grating signal processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720741485.9U CN207379627U (en) | 2017-06-23 | 2017-06-23 | Electrical cable intelligent temperature measurement and alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720741485.9U CN207379627U (en) | 2017-06-23 | 2017-06-23 | Electrical cable intelligent temperature measurement and alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207379627U true CN207379627U (en) | 2018-05-18 |
Family
ID=62297788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720741485.9U Expired - Fee Related CN207379627U (en) | 2017-06-23 | 2017-06-23 | Electrical cable intelligent temperature measurement and alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207379627U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345117A (en) * | 2020-11-09 | 2021-02-09 | 华能通辽风力发电有限公司 | Method for monitoring temperature of cable in fan based on optical fiber sensor |
| CN113884215A (en) * | 2021-09-29 | 2022-01-04 | 国网新疆电力有限公司阿勒泰供电公司 | Cable fire monitoring system based on grating array sensing optical cable |
| CN114129936A (en) * | 2021-12-07 | 2022-03-04 | 陕西开来机电设备制造有限公司 | Mining optical fiber temperature measurement and fire extinguishing control system |
| CN118294033A (en) * | 2024-03-25 | 2024-07-05 | 广州旭杰电子有限公司 | Equipment temperature monitoring method and device based on temperature sensing optical cable |
-
2017
- 2017-06-23 CN CN201720741485.9U patent/CN207379627U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345117A (en) * | 2020-11-09 | 2021-02-09 | 华能通辽风力发电有限公司 | Method for monitoring temperature of cable in fan based on optical fiber sensor |
| CN113884215A (en) * | 2021-09-29 | 2022-01-04 | 国网新疆电力有限公司阿勒泰供电公司 | Cable fire monitoring system based on grating array sensing optical cable |
| CN114129936A (en) * | 2021-12-07 | 2022-03-04 | 陕西开来机电设备制造有限公司 | Mining optical fiber temperature measurement and fire extinguishing control system |
| CN118294033A (en) * | 2024-03-25 | 2024-07-05 | 广州旭杰电子有限公司 | Equipment temperature monitoring method and device based on temperature sensing optical cable |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20200623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |