CN110069027A - A kind of cable Measuring error system and its application method with intelligent distributing frame - Google Patents
A kind of cable Measuring error system and its application method with intelligent distributing frame Download PDFInfo
- Publication number
- CN110069027A CN110069027A CN201910242461.2A CN201910242461A CN110069027A CN 110069027 A CN110069027 A CN 110069027A CN 201910242461 A CN201910242461 A CN 201910242461A CN 110069027 A CN110069027 A CN 110069027A
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- CN
- China
- Prior art keywords
- cable
- distributing frame
- chip
- connects
- converter
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000002310 reflectometry Methods 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 13
- 238000002788 crimping Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 238000010008 shearing Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 1
- 230000006698 induction Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21137—Analog to digital conversion, ADC, DAC
Abstract
The present invention relates to a kind of cable Measuring error systems and its application method with intelligent distributing frame, including panel end, cable, intelligent distributing frame and rapid connector, the panel end is equipped with detection program, the intelligence distributing frame is equipped with Time Domain Reflectometry module, the panel end connects the intelligent distributing frame by the cable, the Time Domain Reflectometry module includes chip, digital pulse circuit, converter and signal receiving module, the detection program is sent to the chip by the cable and is instructed, the chip connects the digital pulse circuit, the digital pulse circuit connects the converter, the converter connects the cable, the cable connects the signal receiving module, the signal receiving module connects the chip by the converter.
Description
Technical field
The present invention relates to a kind of routing fields, and in particular to a kind of cable Measuring error system with intelligent distributing frame and
Its application method.
Background technique
Comprehensive wiring is that the information transmission in a kind of building modular, flexibility is high or between groups of building is logical
Road can be such that voice device, data equipment, switching equipment and various control equipment and information management system connects by it,
The comprehensive wiring for also making these equipment be connected with external communication network simultaneously, it further includes building external network or telecommunication line
Tie point and application system equipment between all cables and relevant connecting component, comprehensive wiring is by different series and specification
Component composition, comprehensive wiring need periodically to route carry out Measuring error, guarantee wiring system operate normally.
The connection type of intelligent scanner and electronic wiring frame is broadly divided into interface induction type and wire jumper sense in industry at present
Answer formula, interface induction type be exactly on the interface of electronic wiring frame band inductor can sense that whether there is or not wire jumper accesses cannot be to link
The cable at end is managed, while can also be detected to entire link without an electronic wiring frame in industry, and energy
Judge fault point.
Summary of the invention
The purpose of the present invention is to solve the shortcomings of the prior art place, provides a kind of cable inspection with intelligent distributing frame
Maintenance system and its application method are surveyed, is equipped with Time Domain Reflectometry module in intelligent distributing frame, it can precisely really by Time Domain Reflectometry module
Then the breakpoint of alignment cable is repaired by rapid connector, after waiting cable to be replaced to be sent to, whole breakpoint that replaces
Cable.
It realizes of the present invention with the intelligent cable Measuring error system of distributing frame and its technical solution of application method
It is:
A kind of cable Measuring error system with intelligent distributing frame, including panel end, cable, intelligent distributing frame and emergency
Connector, the panel end are equipped with detection program, and the intelligence distributing frame is equipped with Time Domain Reflectometry module, and the panel end passes through institute
The cable connection intelligent distributing frame is stated, the Time Domain Reflectometry module includes chip, digital pulse circuit, converter and signal
Receiving module, the detection program are sent to the chip by the cable and are instructed, and the chip connects the digit pulse
Circuit, the digital pulse circuit connect the converter, and the converter connects the cable, and the cable connects institute
Signal receiving module is stated, the signal receiving module connects the chip by the converter.
Further, the rapid connector includes lower case and upper housing, and the lower case sets that there are two interface end, institutes
It states two interface ends and is equipped with eight pressuring line grooves, eight pressuring line grooves are equipped with sheet metal, the crimping of described two interface ends
Slot is connected by copper wire, and the upper housing is equipped with crimping lid, and the crimping lid is matched with the pressuring line groove, the crimping lid and institute
It states to buckle between pressuring line groove and fix.
Further, the intelligent distributing frame further includes state detection module, and the state detection module includes that data are adopted
Collect module and processing module, the data acquisition module connects the cable, and the processing module connects the data acquisition module
Block, the chip connect the processing module.
Further, a kind of cable Measuring error System Utilization Procedure with intelligent distributing frame, comprising the following steps:
(1) cable one end is mounted on intelligent distributing frame, the cable other end connects debugging instrument, by debugging instrument to intelligence
The converter of distributing frame sends an analog signal, and analog signal is converted to digital signal, digital signal by converter
It is sent in chip, chip sends digital signal to converter, and digital signal is sent to debugging instrument by converter and simulated
Signal, debugging instrument record analog signal, which is issued to, receives the analog signal time t1 that intelligent distributing frame is sent back；
(2) analog signal of a detection is sent to the converter of intelligent distributing frame by debugging instrument again, detection is used
Analog signal digital signal is converted to by converter, digital signal is sent in chip, chip controls digit pulses electricity
Road direction cable sends pulse signal, and debugging instrument record analog signal, which is issued to, receives the pulse signal that intelligent distributing frame is sent back
Time t2；
(3) t1 and t2 and length of cable l1 are sent chip by debugging instrument, and chip calculates pulse signal in cable automatically
Upper spread speed V=[t2- (t1/2)]/l1；
(4) the cable other end after debugging is good is linked into panel end, when needing to detect, passes through the detection program at panel end
Sense command is sent to intelligent distributing frame, then intelligent distributing frame sends pulse signal to cable, if cable has breakpoint, pulse
Signal, which can return, to be come, can be with precise positioning fault point distance intelligence distributing frame by calculating time of return t3 and spread speed V
Length l2=(t3*V)/2；
(5) maintenance personal passes through scissors according to 5~10 centimetres before fault point and two shearing points of latter 5~10 centimetres designs
Two shearing points are cut, faulty section is cut, then by rapid connector connection cables both ends, after emergency maintenance is complete, etc.
After cable to be replaced is sent to, whole cable for replacing breakpoint.
The invention has the advantages that: the present invention can precisely determine the breakpoint of cable by Time Domain Reflectometry module, install in cable
Pulse signal is accurately tested out by debugging instrument before and broadcasts speed in cable upload, reduces error, this method detects fault point locating
Accurately, error is little, and cable is connected elder generation by rapid connector in maintenance process, and cable to be replaced is waited to be sent to
Afterwards, whole cable for replacing breakpoint, maintenance process are able to achieve timely maintenance, avoid maintenance delay situation.
Detailed description of the invention
Fig. 1 is of the present invention with the intelligent cable Measuring error system of distributing frame and its schematic diagram of application method；
Fig. 2 is connection of meeting an urgent need in the cable Measuring error system and its application method of the present invention with intelligent distributing frame
The perspective view of device；
Fig. 3 is connection of meeting an urgent need in the cable Measuring error system and its application method of the present invention with intelligent distributing frame
The front view of device；
The title that each component is marked in figure is as follows:
1, panel end；11, program is detected；2, cable；3, intelligent distributing frame；31, Time Domain Reflectometry module；311, chip；
312, digital pulse circuit；313, converter；314, signal receiving module；32, state detection module；321, acquisition module；
322, processing module；41, lower case；42, upper housing；43, pressuring line groove；44, crimping lid.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment: a kind of cable Measuring error system with intelligent distributing frame, including panel end 1, cable 2, intelligence match
Coil holder 3 and rapid connector, the panel end 1 are equipped with detection program 11, and the intelligence distributing frame 3 is equipped with Time Domain Reflectometry module
31, the panel end 1 connects the intelligent distributing frame 3 by the cable 2, the Time Domain Reflectometry module 31 include chip 311,
Digital pulse circuit 312, converter 313 and signal receiving module 314, the detection program 11 pass through the cable 2 to institute
It states chip 311 and sends instruction, the chip 311 connects the digital pulse circuit 312, and the digital pulse circuit 312 connects
The converter 313, the converter 313 connect the cable 2, and the cable 2 connects the signal receiving module
314, the signal receiving module 314 connects the chip 11 by the converter 313.
The rapid connector includes lower case 41 and upper housing 42, and the lower case 41 sets that there are two interface ends, described
Two interface ends are equipped with eight pressuring line grooves 43, and eight pressuring line grooves 43 are equipped with sheet metal, the pressure of described two interface ends
Wire casing 43 is connected by copper wire, and the upper housing 42 is equipped with crimping lid 44, and the crimping lid 44 is matched with the pressuring line groove 43, institute
It states to buckle between crimping lid 44 and the pressuring line groove 43 and fix, in maintenance process, every core wire of the cable 2 is put into one
It in a pressuring line groove 43, is then pushed down by the crimping lid 44, realizes connection of broken lines.
The intelligence distributing frame 3 further includes state detection module 32, and the state detection module 32 includes data acquisition module
Block 321 and processing module 322, the data acquisition module 321 connect the cable 2, and the processing module 322 connects the number
According to acquisition module 321, the chip 311 connects the processing module 322, acquires the panel by data acquisition module 321
The data that end 1 is transmitted from the cable 2, and instruction is converted for data by the processing module 322, if do not counted
According to the processing module 322 can send a clearance order to the chip 311, increase 2 on-off of cable described in real-time monitoring
Function.
A kind of cable Measuring error System Utilization Procedure with intelligent distributing frame, comprising the following steps:
(1) 2 one end of cable is mounted on intelligent distributing frame 3,2 other end of cable connect debugging instrument, by debugging instrument to
The converter 313 of intelligent distributing frame 3 sends an analog signal, and analog signal is converted to digital letter by converter 313
Number, digital signal is sent in chip 311, and chip 311 sends digital signal to converter 313, and digital signal is turned by AD
Parallel operation 313 sends analog signal to debugging instrument, and debugging instrument record analog signal, which is issued to, receives what intelligent distributing frame 3 was sent back
Analog signal time t1；
(2) analog signal of a detection, inspection are sent to the converter 313 of intelligent distributing frame 3 by debugging instrument again
The analog signal of survey is converted to digital signal by converter 313, and digital signal is sent in chip 311, and chip 311 is controlled
Digital pulse circuit 312 processed sends pulse signal to cable 2, and debugging instrument record analog signal, which is issued to, receives intelligent distributing frame
The 3 time pulse signal t2 sent back；
(3) t1 and t2 and length of cable l1 are sent chip 311 by debugging instrument, and chip 311 calculates pulse signal automatically
Spread speed V=[t2- (t1/2)]/l1 on cable 2；
(4) 2 other end of cable after debugging is good is linked into panel end 1, when needing to detect, passes through the detection at panel end 1
Program sends sense command to intelligent distributing frame 3, and then intelligent distributing frame 3 sends pulse signal to cable 2, if cable 2 has
Breakpoint, pulse signal, which can return, to be come, can be with precise positioning fault point distance intelligence by calculating time of return t3 and spread speed V
The length l2=(t3*V)/2 of distributing frame 3；
(5) maintenance personal passes through scissors according to 5~10 centimetres before fault point and two shearing points of latter 5~10 centimetres designs
Two shearing points are cut, faulty section is cut, then by rapid connector connection cables both ends, after emergency maintenance is complete, etc.
After cable to be replaced is sent to, whole cable for replacing breakpoint.
The invention has the advantages that: the present invention can precisely determine the breakpoint of cable by Time Domain Reflectometry module, install in cable
Pulse signal is accurately tested out by debugging instrument before and broadcasts speed in cable upload, reduces error, this method detects fault point locating
Accurately, error is little, and cable is connected elder generation by rapid connector in maintenance process, and cable to be replaced is waited to be sent to
Afterwards, whole cable for replacing breakpoint, maintenance process are able to achieve timely maintenance, avoid maintenance delay situation.
Claims (4)
1. a kind of cable Measuring error system with intelligent distributing frame, which is characterized in that match including panel end, cable, intelligence
Coil holder and rapid connector, the panel end are equipped with detection program, and the intelligence distributing frame is equipped with Time Domain Reflectometry module, the face
Plate end connects the intelligent distributing frame by the cable, and the Time Domain Reflectometry module includes chip, digital pulse circuit, AD turns
Parallel operation and signal receiving module, the detection program are sent to the chip by the cable and are instructed, and the chip connects institute
Digital pulse circuit is stated, the digital pulse circuit connects the converter, and the converter connects the cable, described
Cable connects the signal receiving module, and the signal receiving module connects the chip by the converter.
2. the cable Measuring error system as described in claim 1 with intelligent distributing frame, it is characterised in that: the emergency connects
Connecing device includes lower case and upper housing, and the lower case is set there are two interface end, and described two interface ends are equipped with eight crimpings
Slot, eight pressuring line grooves are equipped with sheet metal, and the pressuring line groove of described two interface ends is connected by copper wire, and the upper housing is set
Live conductor lid, the crimping lid are matched with the pressuring line groove, are buckled and are fixed between the crimping lid and the pressuring line groove.
3. the cable Measuring error system as described in claim 1 with intelligent distributing frame, it is characterised in that: the intelligence is matched
Coil holder further includes state detection module, and the state detection module includes data acquisition module and processing module, and the data are adopted
Collect module and connect the cable, the processing module connects the data acquisition module, and the chip connects the processing module.
4. a kind of cable Measuring error System Utilization Procedure with intelligent distributing frame, which comprises the following steps:
(1) cable one end is mounted on intelligent distributing frame, the cable other end connects debugging instrument, by debugging instrument to intelligent wiring
The converter of frame sends an analog signal, and analog signal is converted to digital signal by converter, and digital signal is sent
Into chip, chip sends digital signal to converter, and digital signal sends analog signal to debugging instrument by converter,
Debugging instrument record analog signal, which is issued to, receives the analog signal time t1 that intelligent distributing frame is sent back；
(2) analog signal of a detection, the mould of detection are sent to the converter of intelligent distributing frame by debugging instrument again
Quasi- signal is converted to digital signal by converter, and digital signal is sent in chip, chip controls digital pulse circuit to
Cable sends pulse signal, and debugging instrument record analog signal, which is issued to, receives the time pulse signal that intelligent distributing frame is sent back
t2；
(3) t1 and t2 and length of cable l1 are sent chip by debugging instrument, and chip calculates pulse signal automatically and uploads in cable
Broadcast speed V=[t2- (t1/2)]/l1；
(4) the cable other end after debugging is good is linked into panel end, when needing to detect, by the detection program at panel end to intelligence
Energy distributing frame sends sense command, and then intelligent distributing frame sends pulse signal to cable, if cable has breakpoint, pulse signal
It can return and, it can be with the length of precise positioning fault point distance intelligence distributing frame by calculating time of return t3 and spread speed V
L2=(t3*V)/2；
(5) maintenance personal is cut according to 5~10 centimetres before fault point and two shearing points of latter 5~10 centimetres designs by scissors
Two shearing points, faulty section is cut, and then by rapid connector connection cables both ends, after emergency maintenance is complete, is waited more
After the cable used instead is sent to, whole cable for replacing breakpoint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242461.2A CN110069027A (en) | 2019-03-28 | 2019-03-28 | A kind of cable Measuring error system and its application method with intelligent distributing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242461.2A CN110069027A (en) | 2019-03-28 | 2019-03-28 | A kind of cable Measuring error system and its application method with intelligent distributing frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110069027A true CN110069027A (en) | 2019-07-30 |
Family
ID=67366658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910242461.2A Pending CN110069027A (en) | 2019-03-28 | 2019-03-28 | A kind of cable Measuring error system and its application method with intelligent distributing frame |
Country Status (1)
| Country | Link |
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| CN (1) | CN110069027A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127928A (en) * | 2007-09-11 | 2008-02-20 | 电子科技大学 | Method and device for testing network cable failure |
| CN204696261U (en) * | 2015-05-25 | 2015-10-07 | 国家电网公司 | A kind of netting twine jockey |
| CN207572651U (en) * | 2017-12-26 | 2018-07-03 | 李俊 | A kind of wire connection terminal |
| CN108333476A (en) * | 2018-02-09 | 2018-07-27 | 中国人民解放军海军航空大学 | A kind of cable fault TDR localization methods and system considering cable attenuation characteristic |
| CN207717914U (en) * | 2018-01-11 | 2018-08-10 | 重庆电子工程职业学院 | A kind of breakpoint of cable position detecting system based on low voltage pulse reflection method |
| CN208043992U (en) * | 2018-04-13 | 2018-11-02 | 武汉市合众电气设备制造有限公司 | A kind of electric cable failure detector |
| CN108802552A (en) * | 2018-06-06 | 2018-11-13 | 中铁建电气化局集团南方工程有限公司 | A kind of cable tester and its method of calibration |
| CN108923847A (en) * | 2018-08-09 | 2018-11-30 | 平湖波汇通信科技有限公司 | A kind of Cable's Fault monitoring and accurate positioning method based on GIS |
| CN109474334A (en) * | 2018-10-31 | 2019-03-15 | 国网四川省电力公司达州供电公司 | A kind of digital wiring unit with Air conduct measurement and fault location function |
| CN109510663A (en) * | 2018-12-17 | 2019-03-22 | 潘子俊 | A kind of system and method that fiber optic cable monitor and big data analysis are carried out based on intelligent optical fiber distribution |
-
2019
- 2019-03-28 CN CN201910242461.2A patent/CN110069027A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127928A (en) * | 2007-09-11 | 2008-02-20 | 电子科技大学 | Method and device for testing network cable failure |
| CN204696261U (en) * | 2015-05-25 | 2015-10-07 | 国家电网公司 | A kind of netting twine jockey |
| CN207572651U (en) * | 2017-12-26 | 2018-07-03 | 李俊 | A kind of wire connection terminal |
| CN207717914U (en) * | 2018-01-11 | 2018-08-10 | 重庆电子工程职业学院 | A kind of breakpoint of cable position detecting system based on low voltage pulse reflection method |
| CN108333476A (en) * | 2018-02-09 | 2018-07-27 | 中国人民解放军海军航空大学 | A kind of cable fault TDR localization methods and system considering cable attenuation characteristic |
| CN208043992U (en) * | 2018-04-13 | 2018-11-02 | 武汉市合众电气设备制造有限公司 | A kind of electric cable failure detector |
| CN108802552A (en) * | 2018-06-06 | 2018-11-13 | 中铁建电气化局集团南方工程有限公司 | A kind of cable tester and its method of calibration |
| CN108923847A (en) * | 2018-08-09 | 2018-11-30 | 平湖波汇通信科技有限公司 | A kind of Cable's Fault monitoring and accurate positioning method based on GIS |
| CN109474334A (en) * | 2018-10-31 | 2019-03-15 | 国网四川省电力公司达州供电公司 | A kind of digital wiring unit with Air conduct measurement and fault location function |
| CN109510663A (en) * | 2018-12-17 | 2019-03-22 | 潘子俊 | A kind of system and method that fiber optic cable monitor and big data analysis are carried out based on intelligent optical fiber distribution |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518100 2nd floor, building A4, Tongxin Industrial Zone, Jiujiu Tongxin Road, Tongle village, Baolong street, Longgang District, Shenzhen City, Guangdong Province Applicant after: Laixun communication (Shenzhen) Co.,Ltd. Address before: 518100 2nd floor, building A4, Tongxin Industrial Zone, Jiujiu Tongxin Road, Tongle village, Baolong street, Longgang District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN LIANXUN COMMUNICATION TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190730 |