CN208400590U - A kind of electric power safety sensing optic cable - Google Patents
A kind of electric power safety sensing optic cable Download PDFInfo
- Publication number
- CN208400590U CN208400590U CN201821163080.2U CN201821163080U CN208400590U CN 208400590 U CN208400590 U CN 208400590U CN 201821163080 U CN201821163080 U CN 201821163080U CN 208400590 U CN208400590 U CN 208400590U
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- China
- Prior art keywords
- cable
- temperature
- electric power
- optical fiber
- sensor fibre
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a kind of electric power safety sensing optic cables, it is characterized by comprising cable sleeves, cable is placed in the cable sleeve, axially spaced-apart is provided with sensor fibre and temperature-measuring optical fiber on the outer wall of the cable sleeve, strain transducer is radially set on the cable sleeve outer wall, the strain transducer is connected to the sensor fibre, and the outside of the sensor fibre, temperature-measuring optical fiber and strain transducer is provided with delivery cannula.Design is scientific and reasonable for the utility model, real-time monitoring, alarm can be carried out to ambient temperature, while can the strain signals such as vibration are monitored and be communicated, temperature and vibration signal are transmitted in time, strong anti-interference performance can guarantee electric operating safety, improve cable service life.
Description
Technical field
The utility model belongs to technical field of power systems, is related to electric power sensing equipment, in particular to a kind of electric power safety
Sensing optic cable.
Background technique
Currently, urban distribution network, coal mine, electric system and a large amount of power cable of various tunnel internals and control cable are most
All it is distributed in cable duct, cable testing bridge, in cable interlayer, various cables especially high-voltage power cable, load excessive, cable
The reasons such as connector aging will lead to temperature raising, and temperature is excessively high will to easily cause fire, lead to the power failure of operation field,
Concentrate laying cable coverage on fire will it is wider, repair time is longer, caused by lose it is bigger.
Therefore, constituent parts are there is an urgent need to a kind of temperature measurement on-line technology, real-time automatic collecting cable surface and surrounding enviroment
Temperature change, it is that manager has the sufficient time that timely, accurate monitoring temperature, which changes and issue early warning, before temperature is excessively high
It takes appropriate measures, avoids fire；Meanwhile monitoring means still imperfect at this stage can carry out power cable
Real time monitoring can only rely on the communication in advance with relevant departments, understand outer break such as excavation within the scope of cable work scene, drilling and make
Industry place, the uninterrupted tour along with electric power operation maintenance personnel to power cable, power pipe lightguide cable link, can be in certain journey
It reduces the phenomenon that external force destroys power cable, power pipe optical cable on degree to occur, but people patrols and cannot monitor within 24 hours, exists and patrols
Period blank is examined, and O&M measure is single, management means is scattered, and drawback is prominent, produces little effect, still remains numerous construction operations
The case where personnel and criminal destroy power cable in unconventional situation, causes very big prestige to the stable operation of power grid
The side of body.
By the retrieval to patent document, patent document identical with present patent application is not found.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and ambient temperature can be carried out in real time by providing one kind
The electric power safety sensing optic cable of monitoring, alarm, while the strain signals such as vibration can be monitored and be communicated, interference free performance
By force, temperature and vibration signal are carried out to transmission in time can guarantee electric operating safety, improve cable service life.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of electric power safety sensing optic cable, it is characterised in that: including cable sleeve, cable is placed in the cable sleeve,
Axially spaced-apart is provided with sensor fibre and temperature-measuring optical fiber on the outer wall of the cable sleeve, radially covers on the cable sleeve outer wall
Equipped with strain transducer, the strain transducer is connected to the sensor fibre, and the sensor fibre, temperature-measuring optical fiber and strain pass
The outside of sensor is provided with delivery cannula.
Moreover, being provided with coat between the sensor fibre, temperature-measuring optical fiber and strain transducer and delivery cannula.
Moreover, the strain transducer is several, which is sleeved on cable sleeve at equal intervals.
Moreover, the cable sleeve and delivery cannula use nonmetallic materials.
It the advantages of the utility model and has the beneficial effect that
1, the electric power safety sensing optic cable of the utility model, including cable sleeve, cable sleeve is interior to place cable, cable joint-box
Axially spaced-apart is provided with sensor fibre and temperature-measuring optical fiber on the outer wall of pipe, is radially set with strain sensing on cable sleeve outer wall
Device, strain transducer are connected to sensor fibre, and the outside of sensor fibre, temperature-measuring optical fiber and strain transducer is provided with conveying set
Pipe can carry out real-time monitoring, alarm to ambient temperature；The strain signals such as vibration can be monitored and be communicated simultaneously, resisted
Jamming performance is strong, and temperature and vibration signal are carried out transmission in time can guarantee electric operating safety, improves cable service life.
2, the electric power safety sensing optic cable of the utility model, sensor fibre, temperature-measuring optical fiber and strain transducer and conveying cover
Coat is provided between pipe, to protect optical fiber surface not abraded by wet gas and external force, imparting optical fiber raising resists micro-bend
Performance reduces the micro-bend added losses function of optical fiber.
3, the electric power safety sensing optic cable of the utility model, strain transducer be several, several strain transducers etc.
Spacer sleeve can carry out zoning monitoring to the different location of power cable, guarantee power cable to strain on cable sleeve
Timely respond to, improve cable service life.
4, the electric power safety sensing optic cable of the utility model, cable sleeve and delivery cannula use nonmetallic materials, guarantee
The safety in utilization of power cable guarantees country and the electric power safety of the people.
5, design is scientific and reasonable for the utility model, real-time monitoring, alarm can be carried out to ambient temperature, while can be to vibration
It is dynamic that strain signals is waited to be monitored and communicate, temperature and vibration signal are transmitted, strong anti-interference performance in time, can be guaranteed
Electric operating safety, improves cable service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the main view partial sectional view of Fig. 1.
Description of symbols
1- delivery cannula, 2- coat, 3- strain transducer, 4- temperature-measuring optical fiber, 5- cable sleeve, 6- cable, 7- sensing
Optical fiber.
Specific embodiment
Below by specific embodiment, the utility model is described in further detail, following embodiment be it is descriptive, no
It is restrictive, protection scope of this utility model cannot be limited by this.
A kind of electric power safety sensing optic cable, innovation are: including cable sleeve 5, placing cable in cable sleeve
6, axially spaced-apart is provided with sensor fibre 7 and temperature-measuring optical fiber 4 on the outer wall of cable sleeve, is radially set on cable sleeve outer wall
Strain transducer 3, strain transducer are connected to sensor fibre, the external setting of sensor fibre, temperature-measuring optical fiber and strain transducer
There is delivery cannula 1, real-time monitoring, alarm can be carried out to ambient temperature；The strain signals such as vibration can be monitored simultaneously
And communication, strong anti-interference performance, temperature and vibration signal are carried out transmission in time can guarantee electric operating safety, improve cable
Service life.
Coat 2 is provided between sensor fibre, temperature-measuring optical fiber and strain transducer and delivery cannula, to protect optical fiber
Surface is not abraded by wet gas and external force, is assigned optical fiber and is improved anti-microbend performance, reduces the micro-bend added losses function of optical fiber.
Strain transducer is several, which is sleeved on cable sleeve at equal intervals, can be to electric power
The different location of cable carries out zoning monitoring, guarantees that power cable timely responds to strain, improves cable service life.
Cable sleeve and delivery cannula use nonmetallic materials, guarantee the safety in utilization of power cable, guarantee country and
The electric power safety of the people.
The working principle of the utility model are as follows:
When electric power safety sensing optic cable has abnormal heat generation using working site, temperature-measuring optical fiber by laser light source to
Laser pulse is injected in cable, fraction rear orientation light can be scattered back along cable to be come, this rear orientation light (Raman scattering
Light) real-time signal analysis processing is carried out, the temperature strain curve of whole optical fiber is obtained, to measure monitoring to real time temperature
And abnormal heat data collected are transmitted to the data processing host of monitoring center in time, to repair inspection in time
It repairs；When the external interferences such as outer broken, vibration, landslide, which occur, for working site influences, strain transducer by producing under external force
Raw flexible deformation obtains strain characteristics value and carries out the identification of different vibration sources, when recognizing third party's invasion, sense light
The part of properties that light is transmitted in cable will change, and the delta data signal adopted finally is transmitted to by the characteristic variations of detection light
The data processing host of monitoring center realizes alarm and positioning function.
Although disclosing the embodiments of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be with
Understand: departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications are all can
Can, therefore, the scope of the utility model is not limited to the embodiment and attached drawing disclosure of that.
Claims (4)
1. a kind of electric power safety sensing optic cable, it is characterised in that: including cable sleeve, cable, institute are placed in the cable sleeve
It states axially spaced-apart on the outer wall of cable sleeve and is provided with sensor fibre and temperature-measuring optical fiber, be radially set on the cable sleeve outer wall
There is strain transducer, the strain transducer is connected to the sensor fibre, the sensor fibre, temperature-measuring optical fiber and strain sensing
The outside of device is provided with delivery cannula.
2. electric power safety sensing optic cable according to claim 1, it is characterised in that: in the sensor fibre, temperature-measuring optical fiber
And coat is provided between strain transducer and delivery cannula.
3. electric power safety sensing optic cable according to claim 1, it is characterised in that: the strain transducer is several,
Several strain transducers are sleeved on cable sleeve at equal intervals.
4. electric power safety sensing optic cable according to claim 1, it is characterised in that: the cable sleeve and delivery cannula are adopted
Use nonmetallic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821163080.2U CN208400590U (en) | 2018-07-23 | 2018-07-23 | A kind of electric power safety sensing optic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821163080.2U CN208400590U (en) | 2018-07-23 | 2018-07-23 | A kind of electric power safety sensing optic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208400590U true CN208400590U (en) | 2019-01-18 |
Family
ID=65128550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821163080.2U Expired - Fee Related CN208400590U (en) | 2018-07-23 | 2018-07-23 | A kind of electric power safety sensing optic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208400590U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870197A (en) * | 2019-03-29 | 2019-06-11 | 山东呈祥电气有限公司 | A kind of intelligent power cable pipeline |
| CN110441877A (en) * | 2019-08-16 | 2019-11-12 | 山东道宽智能科技有限公司 | A kind of compound umbilical of ignition temperature-sensitive intelligence beam tube and its installation method |
| CN110926509A (en) * | 2019-10-30 | 2020-03-27 | 中国电力科学研究院有限公司 | On-line monitoring system for synchronous temperature and vibration measurement of submarine cable |
| CN111141412A (en) * | 2019-12-25 | 2020-05-12 | 深圳供电局有限公司 | Cable temperature and anti-theft dual-monitoring method and system and readable storage medium |
-
2018
- 2018-07-23 CN CN201821163080.2U patent/CN208400590U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870197A (en) * | 2019-03-29 | 2019-06-11 | 山东呈祥电气有限公司 | A kind of intelligent power cable pipeline |
| CN110441877A (en) * | 2019-08-16 | 2019-11-12 | 山东道宽智能科技有限公司 | A kind of compound umbilical of ignition temperature-sensitive intelligence beam tube and its installation method |
| CN110926509A (en) * | 2019-10-30 | 2020-03-27 | 中国电力科学研究院有限公司 | On-line monitoring system for synchronous temperature and vibration measurement of submarine cable |
| CN111141412A (en) * | 2019-12-25 | 2020-05-12 | 深圳供电局有限公司 | Cable temperature and anti-theft dual-monitoring method and system and readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190118 Termination date: 20190723 |