CN107356842A - A kind of buried cable failure detector - Google Patents
A kind of buried cable failure detector Download PDFInfo
- Publication number
- CN107356842A CN107356842A CN201710768465.5A CN201710768465A CN107356842A CN 107356842 A CN107356842 A CN 107356842A CN 201710768465 A CN201710768465 A CN 201710768465A CN 107356842 A CN107356842 A CN 107356842A
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- China
- Prior art keywords
- temperature sensor
- controller
- buried cable
- base station
- station apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/72—Investigating presence of flaws
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention discloses a kind of buried cable failure detector; including temperature sensor, protective layer, controller and wireless base station apparatus, wherein, temperature sensor is located at buried cable surface; protective layer is then covered in outside temperature sensor, is jointly closed temperature sensor with buried cable surface；The controller and wireless base station apparatus are located at ground, controller passes through 4 core twisted pair line connections with temperature sensor, controller is also connected with wireless base station apparatus, and controller receives the temperature data of temperature sensor transmission, and temperature data is sent to control room by wireless base station apparatus.Such a structure of the detecting device is simple, and testing result is accurate.
Description
Technical field
The invention belongs to field of measuring technique, more particularly to a kind of buried cable failure detector.
Background technology
Chinese Patent Application No. 201210269778.3 provides a kind of underground cable leakage detection device, including housing, peace
Capacitance probe in housing, the amplifying circuit being connected with capacitance probe, the alarm being connected with amplifying circuit.It is described
Alarm is buzzer.The capacitance probe is arranged on front housing section.After such structure, due to being mounted with that electric capacity is visited
Device is surveyed, when running into the leakage point of electricity of cable, the electric capacity of leakage point of electricity can change, and this change can be detected by capacitance probe
Arrive, signal is amplified by amplifying circuit, start buzzer, you can alarm, indicate the position of leakage point of electricity.The underground of the present invention
Cable leakage detection means can detect deep 2 meters, the buried cable leakage point of electricity in the range of 4 meters of diameter.
Chinese Patent Application No. 201310253493.5 provides a kind of underground cable leakage detection device, including audio signal
The audio signal of transmitter, signal receiver and wedge-like grounding body, the audio signal transmitter, including electrical connection produces electricity
Road, power amplification circuit and booster circuit；The wedge-like grounding body, including insulated handle, wedge-like metallic object and binding post；It is described
Wedge-like metallic object electrically connects with binding post；The L and N-terminal of the signal receiver are electric with wedge-like grounding body and wedge-like grounding body respectively
Connection.Audio signal transmitter produces the audio electrical signal with warning feature, is inputted after amplified boosting in service cable, sound
Frequency electric signal transmits in service cable, when cable leaks electricity, produces signals leakiness in leaky site, underground forms audio
Electric field；Signal receiver connects two wedge-like grounding bodies, and the insertion of two wedge-like grounding bodies occurs in the region leaked electricity in cable,
Audio electric field between two wedge-like grounding bodies between form voltage signal, voltage signal is input to signal receiver, amplified
Driving loudspeaker send alarm afterwards, judge the drain conditions of cable and leaky site by alarm.
Chinese Patent Application No. 201210473741.2 provides a kind of suitable for underground cable inspection in cover-plate type cable duct
With fault locator, including bionic 6-leg robot, camera monitoring device, infrared temperature sensor, cable discharge pickup
Device, HPC, ground main control computer, ground main control computer is to remote control hand-held computer, the ground master control meter
Calculation machine to operate the fortune of six sufficient spider robots in real time by using the method for Windows long- distance tabletop control HPCs
It is dynamic；Operation to six sufficient spider robots is that " foots of Robot six " being arranged on by main control computer opening on HPC is soft
Part is come the motion of Hexapod Robot directly adjusted, last video pictures, sound by being transferred on main control computer simultaneously
Signal and temperature coordinate curve judge whether buried cable faulty and the position of fault；Wherein ground main control computer to
Remote control hand-held computer, the output end of described HPC are used with the input of ground main control computer by both ends
Grid twisted pair line connection, described camera monitoring device to gather the vision signal of cable passage, camera monitoring device it is defeated
Go out end to be connected with the input of HPC, described infrared temperature sensor is believed to gather the temperature in cable passage
Number, the input of the output end of infrared temperature controller and HPC connects, and described cable discharge sound pick-up is adopting
Collect the voice signal in cable passage, cable discharge sound pick-up is input to HPC, described six foots by audio collection card
Bio-robot is connected by USB data line with HPC, and described HPC is fixed on installed in bionic 6-leg machine
On a support above people, the support is made up of three aluminium alloy pillars and a flat aluminium alloy plate；Described camera monitoring
Device is made up of two cameras on support, and camera is connected by USB interface with laptop computer, is measured due to mouse
The impaired loci for causing Exterior cable to damage such as do harm to, touch, pounding, pressing, and cable fault is determined by the running position of Hexapod Robot
Point, the image in detection cable ditch provide data for ground main control computer control machine people；Described infrared temperature sensing
The cable surface temperature that device measures exceedes cable highest normal operating temperature, when cable discharge sound pick-up does not measure " grow, grow "
Cable discharge sound and the cable map that detects of camera monitoring device as without exception, it is believed that cable is in local inferior health at present
State and no generation electric leakage and short trouble；Cable discharge sound pick-up measures the cable discharge sound of " grow, grow ", but images prison
The cable map that survey device detects is as without exception, it is believed that cable is in critical fault state；Cable discharge sound pick-up also measures
The cable discharge sound of " grow, grow ", and the cable surface calcination that detects of camera monitoring device or arc light, it is believed that cable has been sent out
Leak current fault is given birth to；Cable temperature elevated point can be determined by the position of robot；Described cable discharge sound pick-up is adopting
Collect the voice signal in cable passage, cable discharge sound pick-up is input to HPC by audio collection card；Described grid
Twisted-pair feeder is that both ends use netting twine of the 58A or 568B crystal heads as line standard.
The content of the invention
The purpose of the present invention, it is to provide a kind of buried cable failure detector, its is simple in construction, and testing result is accurate
Really.
In order to reach above-mentioned purpose, solution of the invention is：
A kind of buried cable failure detector, including temperature sensor, protective layer, controller and wireless base station apparatus,
Wherein, temperature sensor is located at buried cable surface, and protective layer is then covered in outside temperature sensor, is total to buried cable surface
It is closed with by temperature sensor；The controller and wireless base station apparatus are located at ground, controller and temperature sensor
By 4 core twisted pair line connections, controller is also connected with wireless base station apparatus, and controller receives the temperature number of temperature sensor transmission
According to, and temperature data is sent to control room by wireless base station apparatus.
Controller noted above is also connected with alarm, and alarm is located at the position of ground corresponding temperature sensor, and controller is by temperature
The temperature data of sensor transmission is spent compared with threshold value, starts alarm when temperature data is higher than threshold value.
Above-mentioned alarm uses LED, enters line flicker alarm on startup.
Above-mentioned protective layer includes thermal insulation layer, waterproof layer and the insulating barrier set gradually from inside to outside.
Above-mentioned wireless base station apparatus uses 4G modules.
After such scheme, using buried cable, the electric current increase in failure causes the property generated heat to the present invention, utilizes
Temperature sensor detects the temperature regime of buried cable, and carries out analysis judgement to temperature data by remote control room, so as to real
When monitor buried cable working condition, simple in construction, measurement result is accurate.
Embodiment
Below with reference to embodiment, technical scheme is described in detail.
The present invention provides a kind of buried cable failure detector, including temperature sensor, protective layer, controller and wireless
Dispensing device, introduce separately below.
The temperature sensor is located at buried cable surface, and temperature sensor is in close contact with buried cable, so as to
The temperature conditions of sensing buried cable in real time.
The protective layer is covered in outside temperature sensor, is jointly closed temperature sensor with buried cable surface
Come；In the present embodiment, protective layer includes thermal insulation layer, waterproof layer and the insulating barrier set gradually from inside to outside, and thermal insulation layer can
Prevent influence of the external environment condition to temperature sensor, it is ensured that the accuracy of measurement result, waterproof layer are then used to protect TEMP
Device is not corroded by outside moisture, is increased the service life, and insulating barrier is used to prevent from leaking electricity, and improves safety in utilization.
The controller is located at ground, and controller, by 4 core twisted pair line connections, receives temperature sensor with temperature sensor
The temperature data of transmission.
The wireless base station apparatus is located at ground, and wireless base station apparatus is connected with controller, for the control in controller
Temperature data is sent to control room under system；In the present embodiment, wireless base station apparatus can use 4G modules, improve data transfer
Reliability and rapidity.
In the present embodiment, alarm can be also set in addition, alarm is located at the position of ground corresponding temperature sensor, and
It is connected with controller, the temperature data that controller transmits temperature sensor is compared with threshold value, when temperature data is higher than
Start alarm during threshold value；In the present embodiment, alarm can use LED, enter line flicker alarm on startup, make work people
Member when investigating failure can accurately, the abort situation of fast positioning buried cable.
The technological thought of above example only to illustrate the invention, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within
Within.
Claims (5)
- A kind of 1. buried cable failure detector, it is characterised in that：Including temperature sensor, protective layer, controller and wireless Dispensing device, wherein, temperature sensor is located at buried cable surface, and protective layer is then covered in outside temperature sensor, with underground Temperature sensor is closed by cable surface jointly；The controller and wireless base station apparatus are located at ground, controller with For temperature sensor by 4 core twisted pair line connections, controller is also connected with wireless base station apparatus, and controller receives temperature sensor transmission Temperature data, and temperature data is sent to control room by wireless base station apparatus.
- A kind of 2. buried cable failure detector as claimed in claim 1, it is characterised in that：The controller is also connected with reporting Alert device, alarm are located at the position of ground corresponding temperature sensor, the temperature data and threshold that controller transmits temperature sensor Value is compared, and starts alarm when temperature data is higher than threshold value.
- A kind of 3. buried cable failure detector as claimed in claim 2, it is characterised in that：The alarm uses LED Lamp, enter line flicker alarm on startup.
- A kind of 4. buried cable failure detector as claimed in claim 1, it is characterised in that：The protective layer is included by interior Thermal insulation layer, waterproof layer and the insulating barrier outwards set gradually.
- A kind of 5. buried cable failure detector as claimed in claim 1, it is characterised in that：The wireless base station apparatus is adopted With 4G modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710768465.5A CN107356842A (en) | 2017-08-31 | 2017-08-31 | A kind of buried cable failure detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710768465.5A CN107356842A (en) | 2017-08-31 | 2017-08-31 | A kind of buried cable failure detector |
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| Publication Number | Publication Date |
|---|---|
| CN107356842A true CN107356842A (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710768465.5A Pending CN107356842A (en) | 2017-08-31 | 2017-08-31 | A kind of buried cable failure detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780157A (en) * | 2019-11-19 | 2020-02-11 | 湖南国奥电力设备有限公司 | Temperature-based underground cable fault judgment method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103324217A (en) * | 2013-06-26 | 2013-09-25 | 中国一冶集团有限公司 | Alarm and protection device for cable and cable intermediate head at high temperature |
| CN203299330U (en) * | 2013-05-31 | 2013-11-20 | 航天科工深圳（集团）有限公司 | Underground cable monitoring device |
| CN203433379U (en) * | 2013-06-26 | 2014-02-12 | 中国一冶集团有限公司 | Cable and cable intermediate joint high-temperature alarm protection device |
| CN104165708A (en) * | 2014-08-28 | 2014-11-26 | 陈刚 | Underground cable positioning thermometer and application thereof |
| CN204373811U (en) * | 2015-02-11 | 2015-06-03 | 湖南汽车工程职业学院 | A kind of cable temperature pick-up unit |
| CN104897292A (en) * | 2015-05-28 | 2015-09-09 | 国网山东临朐县供电公司 | Cable temperature measurement early warning system and early warning method |
-
2017
- 2017-08-31 CN CN201710768465.5A patent/CN107356842A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203299330U (en) * | 2013-05-31 | 2013-11-20 | 航天科工深圳（集团）有限公司 | Underground cable monitoring device |
| CN103324217A (en) * | 2013-06-26 | 2013-09-25 | 中国一冶集团有限公司 | Alarm and protection device for cable and cable intermediate head at high temperature |
| CN203433379U (en) * | 2013-06-26 | 2014-02-12 | 中国一冶集团有限公司 | Cable and cable intermediate joint high-temperature alarm protection device |
| CN104165708A (en) * | 2014-08-28 | 2014-11-26 | 陈刚 | Underground cable positioning thermometer and application thereof |
| CN204373811U (en) * | 2015-02-11 | 2015-06-03 | 湖南汽车工程职业学院 | A kind of cable temperature pick-up unit |
| CN104897292A (en) * | 2015-05-28 | 2015-09-09 | 国网山东临朐县供电公司 | Cable temperature measurement early warning system and early warning method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780157A (en) * | 2019-11-19 | 2020-02-11 | 湖南国奥电力设备有限公司 | Temperature-based underground cable fault judgment method and device |
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Application publication date: 20171117 |
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| RJ01 | Rejection of invention patent application after publication |