CN108152650A - The automatic line inspection system of multicore cable - Google Patents

The automatic line inspection system of multicore cable Download PDF

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Publication number
CN108152650A
CN108152650A CN201711447630.3A CN201711447630A CN108152650A CN 108152650 A CN108152650 A CN 108152650A CN 201711447630 A CN201711447630 A CN 201711447630A CN 108152650 A CN108152650 A CN 108152650A
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CN
China
Prior art keywords
cable
multicore cable
core
line inspection
tested
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CN201711447630.3A
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Chinese (zh)
Inventor
张成功
钱平
许桢
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Shanghai Institute of Technology
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Shanghai Institute of Technology
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Priority to CN201711447630.3A priority Critical patent/CN108152650A/en
Publication of CN108152650A publication Critical patent/CN108152650A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58Testing of lines, cables or conductors
    • G01R31/60Identification of wires in a multicore cable

Abstract

The present invention provides a kind of automatic line inspection systems of multicore cable, and A ends include:Power-supply system, the power-supply system include power end fixed value resistance;Sequentially connected display, master controller, relay group and adapter system, the display are connected with power-supply system described in master controller, and the adapter system at the A ends is connect with one end of the tested multicore cable;B ends include:Sequentially connected adapter system and testing element array, the adapter system at the B ends are connect with the other end of the tested multicore cable.Preparation joint multicore cable wiring condition can be verified using this system, it excludes wrong line situation in connector and ensures that cable is correct, the preparation joint multicore cable line inspection can accurately and fast be carried out, solve the problems, such as high-volume pre-fabricated electric cables installation before the line inspection the problem of and pre-fabricated electric cables internal core it is sightless, pass through inserting mode connecting cable, fast wiring, one-touch automatic measurement simultaneously generates test report, easy to use.

Description

The automatic line inspection system of multicore cable
Technical field
The present invention relates to a kind of automatic line inspection systems of multicore cable.
Background technology
It is just growing day by day to build up quantity for intelligent substation in recent years, and intelligent substation secondary cable is using preparation joint electricity Cable is fitted with socket with the relevant device of cable connection, and when in-site installation is inserted directly into, and preparation joint and socket are all With directional, wrong plug is avoided, cable installation process becomes simple, conveniently.But for pre-fabricated electric cables back panel wiring there is still a need for Verification, it is ensured that each core wiring is correct, it is impossible to open circuit, short circuit, wrong line situation, and preparation joint cable internal core occur It is connected on plug, cable core is invisible, and plug type is various, and core number is indefinite, these situations all give intelligent substation The secondary cable line inspection adds many difficulties.
Invention content
The purpose of the present invention is to provide a kind of automatic line inspection systems of multicore cable, can solve intelligent substation secondary electricity The problem of cable line inspection is difficult.
To solve the above problems, the present invention provides a kind of automatic line inspection system of multicore cable, including respectively with tested multicore The side a and b of cable both ends connection, wherein,
The A ends include:Power-supply system, the power-supply system include power end fixed value resistance;Sequentially connected display, Master controller, relay group and adapter system, the display are connected with power-supply system described in master controller, and the A ends connect Head system is connect with one end of the tested multicore cable;
The B ends include:Sequentially connected adapter system and testing element array, the adapter system at the B ends with it is described The other end connection of tested multicore cable.
Further, in above system, the power-supply system includes external power supply and rechargeable battery.
Further, in above system, the master controller is made of microcontroller or PLC or intelligent terminal.
Further, in above system, the testing element array includes the different resistance and diode of resistance value, In, a resistance and a diode form a testing element unit, and testing element is determined by tested multicore cable core number The usage quantity of testing element unit in array, testing element element number are that tested multicore cable core number subtracts one.
Further, it in above system, is given birth to when the master controller works according to signal acquisition, signal processing and report Into sequential working.
Further, in above system, the master controller, for send out test signal control the relay group by Contact is connected in turn/turned off to generate electric signal, the electric signal is successively via the adapter system at A ends, tested multicore cable, B The adapter system at end is transmitted to the testing element array;
The testing element array, for carrying out processing generation feedback signal, the feedback signal warp to the electric signal By B terminations head system, tested multicore cable, A end connectors system feedback to the master controller;
The master controller is additionally operable to determine multicore cable circuit abnormal conditions after analyzing the feedback signal, As a result it is shown in the display with report form.
Further, in above system, during the signal acquisition, control signal is sent out by connecing by the master controller Switching opens relay different in the relay group and connects different circuit, wherein, the power-supply system, the power end are determined It is worth resistance, two tested cores in the tested multicore cable, testing element unit composition test loop, by fixed value resistance The voltage got is included in as system feedback signal in system, and the master controller all does two tested cores positive, reversed It measures twice, all feedback signals is numbered and recorded.
Further, in above system, the adapter system at the A ends and the adapter system at B ends respectively include it is multiple with The matched cable socket of preparation joint of the tested multicore cable of difference.
Further, in above system, when the signal processing and report generation, the master controller will be collected Feedback signal is compared with wiring correct value preset in master controller and obtains true wiring result;And by true wiring knot Fruit is generated corresponding result and reports and shown in a manner of graph mode or explanatory note according to used different cable sockets Over the display.
Compared with prior art, the present invention is included by A ends:Power-supply system, the power-supply system include power end definite value Resistance;Sequentially connected display, master controller, relay group and adapter system, electricity described in the display and master controller Source system connection, the adapter system at the A ends are connect with one end of the tested multicore cable;B ends include:It is sequentially connected to connect Head system and testing element array, the adapter system at the B ends are connect with the other end of the tested multicore cable.It is using this System can verify preparation joint multicore cable wiring condition, and the wrong line situation in connector that excludes ensures that cable is correct, The preparation joint multicore cable line inspection can be accurately and fast carried out, solves the problems, such as the line inspection before the installation of high-volume pre-fabricated electric cables And the sightless problem of pre-fabricated electric cables internal core, pass through inserting mode connecting cable, fast wiring, one-touch automatic measurement And test report is generated, it is easy to use.
Description of the drawings
Fig. 1 is the module map of the automatic line inspection system of multicore cable of one embodiment of the invention;
Fig. 2 is the hardware architecture diagram at the automatic line inspection system A ends of multicore cable of one embodiment of the invention;
Fig. 3 is the hardware architecture diagram at the automatic line inspection system B ends of multicore cable of one embodiment of the invention;
Fig. 4 is the workflow schematic diagram of the automatic line inspection system of multicore cable of one embodiment of the invention;
Fig. 5 is a kind of signal acquisition circuit figure of the automatic line inspection system of multicore cable of one embodiment of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.
As shown in Figure 1, the present invention provides a kind of automatic line inspection system of multicore cable, including respectively with tested multicore cable two The side a and b of connection is held, wherein,
As shown in Fig. 1~2, the A ends include:Power-supply system, the power-supply system include power end fixed value resistance;Successively Display, master controller, relay group and the adapter system of connection, power-supply system described in the display and master controller connect It connects, the adapter system at the A ends is connect with one end of the tested multicore cable;
As shown in figs. 1 and 3, the B ends include:Sequentially connected adapter system and testing element array, the B ends connect Head system is connect with the other end of the tested multicore cable.
Here, the automatic line inspection system of multicore cable is made of A, B two parts, when use, is connected on tested multicore cable two respectively End, wherein A ends are made of master controller, relay group, adapter system, display and power-supply system;B ends by adapter system with And testing element array composition.
Preparation joint multicore cable wiring condition can be verified using this system, the wrong line situation in connector that excludes is protected It is correct to demonstrate,prove cable, can accurately and fast carry out the preparation joint multicore cable line inspection, solves high-volume pre-fabricated electric cables peace Before dress the problem of the line inspection and the sightless problem of pre-fabricated electric cables internal core, by inserting mode connecting cable, fast wiring, One-touch automatic measurement simultaneously generates test report, easy to use.
In automatic one embodiment of line inspection system of multicore cable of the present invention, multicore cable automatic line inspection system needs elder generation when working Two end of A, B is connected on tested multicore cable both ends, the master controller, for send out test signal control the relay group by Contact is connected in turn/turned off to generate electric signal, the electric signal is successively via the adapter system at A ends, tested multicore cable, B The adapter system at end is transmitted to the testing element array;
The testing element array, for carrying out processing generation feedback signal, the feedback signal warp to the electric signal By B terminations head system, tested multicore cable, A end connectors system feedback to the master controller;
The master controller is additionally operable to determine multicore cable circuit abnormal conditions after analyzing the feedback signal, As a result it is shown in the display with report form.
Here, this system using when A, B both ends are connected to tested multicore cable both ends, measurement can be that a key self-action is surveyed Amount by lower button test job automatic running, generates test report and shows over the display after to be tested.
All cables that can be monitored including open circuit, short circuit, wrong line by the automatic line inspection system of multicore cable of the present invention connect Line abnormal conditions have the characteristics that small, reliability is high, easy to use, pacify especially suitable for substation, large-scale power facility Dress, debugging occasion, can be obviously improved line inspection efficiency, save labour turnover.
In automatic one embodiment of line inspection system of multicore cable of the present invention, the power-supply system includes external power supply and can fill Battery.
Here, A ends include power-supply system, B ends are dead terminal, and the power-supply system includes rechargeable battery, multicore cable There are two types of working methods for automatic line inspection system, i.e., power using internal battery powers and using external power supply.
In automatic one embodiment of line inspection system of multicore cable of the present invention, as shown in figure 3, the testing element array includes Resistance value different resistance and diode, wherein, a resistance and a diode form a testing element unit, by being tested Multicore cable core number determines the usage quantity of testing element unit in testing element array, and testing element element number is tested Multicore cable core number subtracts one.
In automatic one embodiment of line inspection system of multicore cable of the present invention, the master controller by microcontroller or PLC or Intelligent terminal is formed.
In automatic one embodiment of line inspection system of multicore cable of the present invention, the master controller is adopted when working according to signal Collection, signal processing and report generation sequential working.
In automatic one embodiment of line inspection system of multicore cable of the present invention, during the signal acquisition, by the master controller It sends out control signal and different circuit is connected by relay different in relay group described in on-off, wherein, the power supply Two tested cores, the composition test of testing element unit in system, the power end fixed value resistance, the tested multicore cable Circuit is included in as system feedback signal in system by the voltage got on fixed value resistance, and the master controller is tested to two Core all does forward direction, reversely measures twice, and all feedback signals are numbered and recorded, and completes signal acquisition work.
In automatic one embodiment of line inspection system of multicore cable of the present invention, the adapter system at the A ends and the connector system at B ends System respectively includes multiple matched cable sockets of preparation joint from different tested multicore cables.
Here, the adapter system included in A, B both ends can be connected by way of replacing different cable sockets it is different The tested multicore cable of preparation joint, core quantity in the socket that system automatic identification is connected complete the line inspection.By cable connector The directionality of itself provides core number, and test knot is indicated by graph mode or explanatory note mode in test report Fruit.
Different sockets is chosen during use according to the difference of cable preparation joint to be installed on the plug system at A, B both ends, The pre-fabricated electric cables plug of tested multicore cable is plugged in the socket of A, B both ends, activation system power supply enters line inspection state, presses Button starts the line inspection, by master controller send out test signal control relay group it is sequentially turned-on/shutdown contact is connecting not Same test loop, electric signal are transmitted to testing element array via A terminations head system, tested multicore cable, B termination head systems, Testing element array handles signal, is fed back, and feedback signal is via B terminations head system, tested multicore cable, A end connectors System feedback is to master controller, and master controller determines multicore cable circuit abnormal conditions after analyzing feedback signal, as a result It is shown in display with report form.The automatic line inspection system of multicore cable of the present invention can be monitored to exist including open circuit, short circuit, wrong line Interior all cable abnormal conditions.
It is described when the signal processing and report generation in automatic one embodiment of line inspection system of multicore cable of the present invention Collected feedback signal with wiring correct value preset in master controller is compared and obtains true wiring by master controller As a result;And true wiring result is generated into corresponding result report and with graph mode according to used different cable sockets Or explanatory note mode is shown over the display.
Embodiment 1:
As shown in figure 4, a kind of multicore of the present invention is illustrated by taking the common four cores preparation joint cable in substation secondary side as an example The automatic line inspection system work process of cable:Being selected from the various pre-fabricated electric cables socket that adapter system provides first needs the line inspection The corresponding socket of quad joint form two, is respectively arranged on the interface at system A, B both ends, first by the grafting of cable one end On the socket of B ends, then the cable other end is plugged on the socket of A ends and completes cable and the connection work of line inspection system;Power transformation It stands and encounters situation of the scene without power supply sometimes when mounted, this system can be powered using internal electric source, stir A ends power supply Open system power supply is switched, system is initialized and detected automatically is connected on the cable socket at A ends as 4 core sockets at this time, calls 4 Core cable line inspection program prepares to start the line inspection;It presses the start button line inspection of A ends to start, system is by 4 cores of cable according to prefabricated Core number number in connector is 1,2,3,4, and A, B both ends share 8 connectors at this time, accordingly will be corresponding 4 on the socket of A ends A connector is named as 1A, 2A, 3A, 4A, and corresponding 4 connector names life is 1B, 2B, 3B, 4B on the socket of B ends, sees Fig. 5, main control PLC It sends out control signal to power to K3, K6 relay coil, corresponds to the actuation of K3, K6 contact at this time, connect by power supply, 10K Ω definite values Resistance, Line 1 core, testing element unit 1 and No. 2 cores composition signal acquisition circuit, see Fig. 5, curve with the arrow in figure Forward signal Acquisition Circuit current direction between mark 1, No. 2 cores, the electricity got on 10K Ω fixed value resistances in system acquisition A ends Pressure is included in master controller register as acquisition signal;Main control PLC sends out signal shutdown K3, K6 after first data record end Relay is changed to connect K1, K3, K6 relay, and collected signal is included in master controller deposit by turn-on reversal Acquisition Circuit Device completes the signal acquisition work between 1, No. 2 core of cable at this time;Make to acquire 1, No. 3 core successively in the same way, 1,4 Number core, 2, No. 3 cores, 2, No. 4 cores, voltage signal between 3, No. 4 cores are simultaneously included in corresponding master controller register It is interior;The signal measured is matched with data in main control chip, according to the suitable of testing for continuity → test for short-circuit → mistake ray examination Sequence carries out wiring condition judgement, and basis for estimation is as follows:The data instance between 1, No. 2 core, if wiring is normally according to electric resistance partial pressure Proportional main-control chip is positive, reversely signal acquisition, forward signal should be analog voltage amount 12*10/ (10+10)=6v twice, instead To signal due to, with the presence of diode therefore for analog voltage amount 0v, first determining whether open circuit conditions in testing element unit.
1) testing for continuity:Acquisition Circuit is not turned on if there is open circuit between 1, No. 2 core, and forward direction reversely collects Data should be 0v, if Line 1 is breaking, all Acquisition Circuits related with Line 1 can not collect voltage signal, at this time 1st, No. 2 cores, 1, No. 3 core, positive, the reversed acquisition signal of 1, No. 4 core should be 0v, therefore judge Line 1 core connector There are open circuit conditions at place;If No. 2 line open circuits, all Acquisition Circuits related with No. 2 lines can not collect voltage signal, at this time 1st, No. 2 cores, 2, No. 3 cores, positive, the reversed acquisition signal of 2, No. 4 cores should be 0v, therefore judge No. 2 core connectors Place is there are open circuit conditions, in the line inspection is included in if open circuit conditions occurs in 1, No. 2 line and is reported
2) test for short-circuit:Testing element unit can not access Acquisition Circuit if short-circuit conditions occurs in 1, No. 2 line, and acquisition is single Resistance in member can not work with diode, and supply voltage is all assigned on 10k Ω fixed value resistances, and main control chip is collected Voltage should be 12v, and it is positive, reversely collected voltage answers equal and is 12v, thus judge exist between 1, No. 2 core Short-circuit conditions are included in line inspection report;
3) enter wrong ray examination if occurring between 1, No. 2 core without short circuit, open circuit conditions, positive collected voltage is believed Number collection voltages, that is, 6v correct between 1, No. 2 core is matched, and distinguishes that wiring is correct if voltage value is equal, will be between 1, No. 2 line Wiring is correctly included in line inspection report, if not equal to if 6v successively by itself and 1, No. 3 core, 1, No. 4 core, 2, No. 3 cores, 2, No. 4 cores, correct collection voltages value matches between 3, No. 4 cores, at this time if matching result is 1, No. 2 core collection voltages number Correct collection voltages value is consistent between value and 1, No. 4 core, distinguishes No. 2 cores and No. 4 core mistake lines, result is included in line inspection report In announcement, if judging its value recalls collection voltages value reversed between 1, No. 2 core by it if whether being 0v 0v if mismatching With 1, No. 2 core, 1, No. 3 core, 1, No. 4 core, 2, No. 3 cores, 2, No. 4 cores, standard acquisition voltage value between 3, No. 4 cores It is matched, distinguishes No. 1 if collection voltages value reversed between 1, No. 2 core is consistent with collection voltages value correct between 1, No. 2 core Core and No. 2 core mistake lines, No. 2 cores and Line 1 core mistake line, then distinguish that (i.e. 1A and 2B ends are connected to one for 1, No. 2 core reversal connection Rise, link together between 2A and 1B) result is included in line inspection report.
1, No. 2 core wiring condition is completed at this time to judge to judge wiring condition between 1, No. 3 core into next step;Class according to this It pushes away 1, No. 3 core, 1, No. 4 core, 2, No. 3 cores, 2, No. 4 cores, after wiring condition all judges between 3, No. 4 cores Line inspection report is arranged, it is included to complete this line inspection in display.Line inspection report is divided into three parts i.e. open circuit instruction, short circuit Instruction and wrong line indicate that, if Line 1 core broken string occurs in multicore cable, No. 3 cores of No. 2 cores and No. 4 core misconnection are normally then reported Announcement prompts for:" open circuit:Line 1 core;Short circuit:Nothing;Wrong line:2A→4B,4A→2B”.
Cable uses the direct socket connection of socket with this line inspection system wiring, equipped with the various preparation joint cable shapes of adaptation The socket of formula, without complicated patching operations, and when preparation joint cable is connect with socket, itself is directional, avoids the line inspection The cable misconnection situation occurred in the process, whole core wiring conditions judge to complete in 5s after cable is connect with this system, And can with one man operation, abandoned it is original double by way of intercom, the multimeter line inspection, and do not need to the line inspection personnel tool There is professional knowledge, be greatly improved line inspection efficiency, human error is avoided to generate.
Embodiment 2:
A kind of automatic line inspection system work process of multicore cable of the present invention is illustrated by taking five core preparation joint cables as an example:First The corresponding socket two of five-core cable joint form for needing the line inspection is selected in the various pre-fabricated electric cables socket provided from adapter system It is a, it is respectively arranged on the interface at system A, B both ends, first cable one end is plugged on the socket of B ends, then by the cable other end It is plugged on the socket of A ends and completes cable and the connection work of line inspection system;Scene is encountered sometimes when mounted by substation not to be had The situation of power supply, this system can be powered using internal electric source, by line inspection system access power supply if having exchange 220v power supplys, be dialled Dynamic A ends power switch open system power supply, system are initialized and detect that be connected on the cable socket at A ends at this time be 5 cores automatically Socket calls 5 core cable line inspection programs to prepare to start the line inspection;It presses the start button line inspection of A ends to start, system is by 5 lines of cable Core is 1,2,3,4,5 according to the core number number in preparation joint, and A, B both ends share 10 connectors at this time, accordingly by A ends Corresponding 4 connectors are named as 1A, 2A, 3A, 4A, 5A on socket, on the socket of B ends corresponding 4 connector names life be 1B, 2B, 3B, 4B, 5B, structure and embodiment 1 are basically identical, and main control PLC sends out control signal and powers to K3, K6 relay coil, right at this time K3, K6 contact is answered to be attracted, connects and is made of power supply, 10K Ω fixed value resistances, Line 1 core, testing element unit 1 and No. 2 cores Signal acquisition circuit, the voltage got on 10K Ω fixed value resistances in system acquisition A ends is included in master controller as acquisition signal Register;Main control PLC sends out signal shutdown K3, K6 relay and is changed to connect K1, K3, K6 relay after first data record end Collected signal is included in master controller register by device, turn-on reversal Acquisition Circuit, at this time between completion 1, No. 2 core of cable Signal acquisition work;Make to acquire 1, No. 3 core successively in the same way, 1, No. 4 core, 1, No. 5 core, 2, No. 3 cores, 2nd, 2, No. 5 cores of No. 4 cores, 3, No. 4 cores, 3, No. 5 cores, voltage signal between 4, No. 5 cores are simultaneously included in corresponding master In controller register;The signal measured is matched with data in main control chip, according to testing for continuity → test for short-circuit → The sequence of wrong ray examination carries out wiring condition judgement, and basis for estimation is as follows:The data instance between 1, No. 2 core, if wiring is normal According to electric resistance partial pressure proportional main-control chip is positive, reversely signal acquisition, forward signal should be analog voltage amount 12*10/ (10 twice + 10)=6v, reverse signal in testing element unit due to, with the presence of diode therefore for analog voltage amount 0v, first determining whether open circuit Situation.
1) testing for continuity:Acquisition Circuit is not turned on if there is open circuit between 1, No. 2 core, and forward direction reversely collects Data should be 0v, if Line 1 is breaking, all Acquisition Circuits related with Line 1 can not collect voltage signal, at this time 1st, No. 2 cores, 1, No. 3 core, 1, No. 4 core, positive, the reversed acquisition signal between 1, No. 5 core should be 0v, therefore judge There are open circuit conditions for Line 1 core joint;If No. 2 line open circuits, all Acquisition Circuits related with No. 2 lines can not collect electricity Signal is pressed, at this time 1, No. 2 core, 2, No. 3 cores, positive, the reversed acquisition signal of 2, No. 4 cores, 2, No. 5 cores should be 0v, Therefore No. 2 core joints are judged there are open circuit conditions, in the line inspection is included in if open circuit conditions occurs in 1, No. 2 line and is reported
2) test for short-circuit:Testing element unit can not access Acquisition Circuit if short-circuit conditions occurs in 1, No. 2 line, and acquisition is single Resistance in member can not work with diode, and supply voltage is all assigned on 10k Ω fixed value resistances, and main control chip is collected Voltage should be 12v, and it is positive, reversely collected voltage answers equal and is 12v, thus judge exist between 1, No. 2 core Short-circuit conditions are included in line inspection report;
3) enter wrong ray examination if occurring between 1, No. 2 core without short circuit, open circuit conditions, positive collected voltage is believed Number collection voltages, that is, 6v correct between 1, No. 2 core is matched, and distinguishes that wiring is correct if voltage value is equal, will be between 1, No. 2 line Wiring is correctly included in line inspection report, if not equal to if 6v successively by itself and 1, No. 3 core, 1, No. 4 core, 1, No. 5 core, 2, No. 3 cores, 2, No. 4 cores, 2, No. 5 cores, 3, No. 4 cores, 3, No. 5 cores, correct collection voltages value is done between 4, No. 5 cores Match, if matching result sentenced if correct collection voltages value is consistent between 1, No. 2 core collection voltages numerical value and 3, No. 4 cores at this time Result is included in line inspection report, if mismatching by bright Line 1 core and No. 3 core mistake lines, No. 2 cores and No. 4 core mistake lines If judging whether its value is that 0v 0v then recall collection voltages value reversed between 1, No. 2 core by itself and 1, No. 2 core, 1, No. 3 Core, 1, No. 4 core, 1, No. 5 core, 2, No. 3 cores, 2, No. 4 cores, 2, No. 5 cores, 3, No. 4 cores, 3, No. 5 cores, 4, Standard acquisition voltage value is matched between No. 5 cores, if reversed correct between collection voltages value and 1, No. 2 core between 1, No. 2 core Collection voltages value unanimously then distinguishes Line 1 core and No. 2 core mistake lines, No. 2 cores and Line 1 core mistake line, and result is included in the line inspection In report.
1, No. 2 core wiring condition is completed at this time to judge to judge wiring condition between 1, No. 3 core into next step.Class according to this It pushes away 1, No. 3 core, 1, No. 4 core, 1, No. 5 core, 2, No. 3 cores, 2, No. 4 cores, 2, No. 5 cores, 3, No. 4 cores, 3,5 Number core, wiring condition all judges to finish final finishing line inspection report between 4, No. 5 cores, it is included to complete this in display The secondary line inspection.Line inspection report is divided into three parts i.e. open circuit instruction, short circuit instruction and wrong line instruction, as Line 1 core occurs in multicore cable Broken string, No. 3 cores of No. 2 cores and No. 4 core misconnection are then reported with No. 5 core short circuits to be prompted for:" open circuit:Line 1 core;Short circuit: 3→5;Wrong line:2A→4B,4A→2B”.
Cable uses the direct socket connection of socket with this line inspection system wiring, equipped with the various preparation joint cable shapes of adaptation The socket of formula, without complicated patching operations, and when preparation joint cable is connect with socket, itself is directional, avoids the line inspection The cable misconnection situation occurred in the process, whole core wiring conditions judge to complete in 5s after cable is connect with this system, And can with one man operation, abandoned it is original double by way of intercom, the multimeter line inspection, and do not need to the line inspection personnel tool There is professional knowledge, be greatly improved line inspection efficiency, human error is avoided to generate.
Embodiment 3:
A kind of automatic line inspection system work process of multicore cable of the present invention is illustrated by taking six core preparation joint cables as an example:First The corresponding socket two of six conductor cable joint form for needing the line inspection is selected in the various pre-fabricated electric cables socket provided from adapter system It is a, it is respectively arranged on the interface at system A, B both ends, first cable one end is plugged on the socket of B ends, then by the cable other end It is plugged on the socket of A ends and completes cable and the connection work of line inspection system;Scene is encountered sometimes when mounted by substation not to be had The situation of power supply, this system can be powered using internal electric source, by line inspection system access power supply if having exchange 220v power supplys, be dialled Dynamic A ends power switch open system power supply, system are initialized and detect that be connected on the cable socket at A ends at this time be 6 cores automatically Socket calls 6 core cable line inspection programs to prepare to start the line inspection;It presses the start button line inspection of A ends to start, system is by 5 lines of cable Core is 1,2,3,4,5,6 according to the core number number in preparation joint, and A, B both ends share 12 connectors at this time, accordingly by A Corresponding 4 connectors are named as 1A, 2A, 3A, 4A, 5A, 6A on the socket of end, on the socket of B ends corresponding 4 connector names life be 1B, 2B, 3B, 4B, 5B, 6B, structure and embodiment 1 are basically identical, and main control PLC sends out control signal and supplied to K3, K6 relay coil Electricity corresponds to the actuation of K3, K6 contact, connects by power supply, 10K Ω fixed value resistances, Line 1 core, testing element unit 1 and 2 at this time The signal acquisition circuit of number core composition, the voltage got on 10K Ω fixed value resistances in system acquisition A ends is as acquisition signal meter Enter master controller register;Main control PLC sends out signal shutdown K3, K6 relay and is changed to connect after first data record end Collected signal is included in master controller register, completes cable at this time by K1, K3, K6 relay, turn-on reversal Acquisition Circuit 1st, the signal acquisition work between No. 2 cores;Make to acquire 1, No. 3 core successively in the same way, 1, No. 4 core, 1, No. 5 line Core, 1, No. 6 core, 2, No. 3 cores, 2, No. 4 cores, 2, No. 5 cores, 2, No. 6 cores, 3, No. 4 cores, 3, No. 5 cores, 3, No. 6 Core, 4, No. 5 cores, 4, No. 6 cores, voltage signal between 5, No. 6 cores are simultaneously included in corresponding master controller register; The signal measured is matched with data in main control chip, according to testing for continuity → test for short-circuit → mistake ray examination sequence into Row wiring condition judges that basis for estimation is as follows:The data instance between 1, No. 2 core, if wiring is normally according to electric resistance partial pressure ratio Main control chip is positive, reversely signal acquisition, forward signal should be analog voltage amount 12*10/ (10+10)=6v twice, reversely believes Number due to, with the presence of diode therefore for analog voltage amount 0v, first determining whether open circuit conditions in testing element unit.
1) testing for continuity:Acquisition Circuit is not turned on if there is open circuit between 1, No. 2 core, and forward direction reversely collects Data should be 0v, if Line 1 is breaking, all Acquisition Circuits related with Line 1 can not collect voltage signal, at this time 1st, No. 2 cores, 1, No. 3 core, 1, No. 4 core, positive, the reversed acquisition signal between 1, No. 5 core, 1, No. 6 core should be 0v, therefore judge that there are open circuit conditions for Line 1 core joint;It is all equal with No. 2 related Acquisition Circuits of line if No. 2 line open circuits Voltage signal can not be collected, at this time 1, No. 2 core, 2, No. 3 cores, 2, No. 4 cores, 2, No. 5 cores, 2, No. 6 cores are just To, reversely acquisition signal should be 0v, therefore No. 2 core joints are judged there are open circuit conditions, if breaking feelings occurs in 1, No. 2 line Condition is then included in line inspection report
2) test for short-circuit:Testing element unit can not access Acquisition Circuit if short-circuit conditions occurs in 1, No. 2 line, and acquisition is single Resistance in member can not work with diode, and supply voltage is all assigned on 10k Ω fixed value resistances, and main control chip is collected Voltage should be 12v, and it is positive, reversely collected voltage answers equal and is 12v, thus judge exist between 1, No. 2 core Short-circuit conditions are included in line inspection report;
3) enter wrong ray examination if occurring between 1, No. 2 core without short circuit, open circuit conditions, positive collected voltage is believed Number collection voltages, that is, 6v correct between 1, No. 2 core is matched, and distinguishes that wiring is correct if voltage value is equal, will be between 1, No. 2 line Wiring is correctly included in line inspection report, if not equal to if 6v successively by itself and 1, No. 3 core, 1, No. 4 core, 1, No. 5 core, 1, No. 6 cores, 2, No. 3 cores, 2, No. 4 cores, 2, No. 5 cores, 2, No. 6 cores, 3, No. 4 cores, 3, No. 5 cores, 3, No. 6 cores, 4th, No. 5 cores, 4, No. 6 cores, correct collection voltages value matches between 5, No. 6 cores, at this time if matching result is 1, No. 2 line Correct collection voltages value is consistent between core collection voltages numerical value and 3, No. 6 cores, distinguishes Line 1 core and No. 3 core mistake lines, No. 2 lines Result is included in line inspection report by core and No. 6 core mistake lines, if judge if mismatching its value if whether being 0v 0v by 1, Reversed collection voltages value is recalled itself and 1, No. 2 core, 1, No. 3 core, 1, No. 4 core, 1, No. 5 core between No. 2 cores, and 1,6 Number core, 2, No. 3 cores, 2, No. 4 cores, 2, No. 5 cores, 2, No. 6 cores, 3, No. 4 cores, 3, No. 5 cores, 3, No. 6 cores, 4th, No. 5 cores, 4, No. 6 cores, standard acquisition voltage value is matched between 5, No. 6 cores, if reversely acquisition electricity between 1, No. 2 core Correct collection voltages value is consistent between pressure value and 3, No. 4 cores, distinguishes Line 1 core and No. 4 core mistake lines, No. 2 cores and No. 3 lines Result is included in line inspection report by core mistake line.
1, No. 2 core wiring condition is completed at this time to judge to judge wiring condition between 1, No. 3 core into next step.Class according to this It pushes away 1, No. 3 core, 1, No. 4 core, 1, No. 5 core, 2, No. 3 cores, 2, No. 4 cores, 2, No. 5 cores, 3, No. 4 cores, 3,5 Number core, wiring condition all judges to finish final finishing line inspection report between 4, No. 5 cores, it is included to complete this in display The secondary line inspection.Line inspection report is divided into three parts i.e. open circuit instruction, short circuit instruction and wrong line instruction, as Line 1 core occurs in multicore cable Broken string, normally then report prompts for No. 2 cores with short-circuit No. 6 cores of No. 5 cores with No. 3 cores of No. 4 core misconnection:" open circuit:1 Number core;Short circuit:3→5;Wrong line:2A→4B,4A→2B”.
Cable uses the direct socket connection of socket with this line inspection system wiring, equipped with the various preparation joint cable shapes of adaptation The socket of formula, without complicated patching operations, and when preparation joint cable is connect with socket, itself is directional, avoids the line inspection The cable misconnection situation occurred in the process, whole core wiring conditions judge to complete in 5s after cable is connect with this system, And can with one man operation, abandoned it is original double by way of intercom, the multimeter line inspection, and do not need to the line inspection personnel tool There is professional knowledge, be greatly improved line inspection efficiency, human error is avoided to generate.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Professional further appreciates that, with reference to each exemplary unit of the embodiments described herein description And algorithm steps, can be realized with the combination of electronic hardware, computer software or the two, in order to clearly demonstrate hardware and The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These Function is performed actually with hardware or software mode, specific application and design constraint depending on technical solution.Profession Technical staff can realize described function to each specific application using distinct methods, but this realization should not Think beyond the scope of this invention.
Obviously, those skilled in the art can carry out invention spirit of the various modification and variations without departing from the present invention And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it Interior, then the present invention is also intended to including these modification and variations.

Claims (9)

1. a kind of automatic line inspection system of multicore cable, which is characterized in that including the A ends being connect respectively with tested multicore cable both ends With B ends, wherein,
The A ends include:Power-supply system, the power-supply system include power end fixed value resistance;Sequentially connected display, master control Device processed, relay group and adapter system, the display are connected with power-supply system described in master controller, the connector system at the A ends System is connect with one end of the tested multicore cable;
The B ends include:Sequentially connected adapter system and testing element array, the adapter system at the B ends are tested with described The other end connection of multicore cable.
2. the automatic line inspection system of multicore cable as described in claim 1, which is characterized in that the power-supply system includes external electricity Source and rechargeable battery.
3. the automatic line inspection system of multicore cable as described in claim 1, which is characterized in that the master controller by microcontroller or PLC or intelligent terminal are formed.
4. the automatic line inspection system of multicore cable as described in claim 1, which is characterized in that the testing element array includes resistance It is worth different resistance and diode, wherein, a resistance and a diode form a testing element unit, by tested more Core cable core number determines the usage quantity of testing element unit in testing element array, and testing element element number is tested more Core cable core number subtracts one.
5. the automatic line inspection system of multicore cable as claimed in claim 4, which is characterized in that during master controller work according to Signal acquisition, signal processing and report generation sequential working.
6. the automatic line inspection system of multicore cable as claimed in claim 5, which is characterized in that the master controller, for sending out Test signal control the relay group it is sequentially turned-on/shutdown contact to generate electric signal, the electric signal is successively via A ends Adapter system, tested multicore cable, B ends adapter system be transmitted to the testing element array;
The testing element array, for carrying out processing generation feedback signal to the electric signal, the feedback signal is via B ends Adapter system, tested multicore cable, A end connectors system feedback to the master controller;
The master controller is additionally operable to determine multicore cable circuit abnormal conditions after analyzing the feedback signal, as a result It is shown in the display with report form.
7. the automatic line inspection system of multicore cable as claimed in claim 5, which is characterized in that during the signal acquisition, by described Master controller sends out control signal and connects different circuit by relay different in relay group described in on-off, wherein, Two tested cores, testing element unit in the power-supply system, the power end fixed value resistance, the tested multicore cable Test loop is formed, is included in system as system feedback signal by the voltage got on fixed value resistance, the master controller pair Two tested cores all do forward direction, reversely measure twice, and all feedback signals are numbered and recorded.
8. the automatic line inspection system of multicore cable as claimed in claim 7, which is characterized in that the adapter system at the A ends and B ends Adapter system respectively include multiple matched cable sockets of preparation joint from different tested multicore cables.
9. the automatic line inspection system of multicore cable as claimed in claim 8, which is characterized in that the signal processing and report generation When, collected feedback signal is compared the master controller with wiring correct value preset in master controller obtains very Real wiring result;And true wiring result is generated into corresponding result report and to scheme according to used different cable sockets Table mode or explanatory note mode are shown over the display.
CN201711447630.3A 2017-12-27 2017-12-27 The automatic line inspection system of multicore cable Pending CN108152650A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110297158A (en) * 2019-06-25 2019-10-01 四川九洲线缆有限责任公司 A kind of circuit effect method of three cores power-line plug line
CN111830428A (en) * 2020-06-05 2020-10-27 北京航天测控技术有限公司 Automatic detection system for cable wiring

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Publication number Priority date Publication date Assignee Title
DD241481A1 (en) * 1985-09-30 1986-12-10 Polygraph Leipzig DEVICE FOR PREASSEMBLING AND TESTING INTERFACEL ELEMENTS
CN2085970U (en) * 1991-03-08 1991-10-02 程崇书 Measurer for flat cable
CN2128744Y (en) * 1992-06-25 1993-03-24 梁正奎 Test instrument for multicore cable
EP2273278A2 (en) * 2009-07-06 2011-01-12 Engberts Mess-, Steuer- und Regelsysteme GmbH Testing system for testing a cable assembly and method for manufacturing a cable assembly
CN106526397A (en) * 2016-09-23 2017-03-22 上海送变电工程公司 Automatic intelligent checking method for intelligent substation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD241481A1 (en) * 1985-09-30 1986-12-10 Polygraph Leipzig DEVICE FOR PREASSEMBLING AND TESTING INTERFACEL ELEMENTS
CN2085970U (en) * 1991-03-08 1991-10-02 程崇书 Measurer for flat cable
CN2128744Y (en) * 1992-06-25 1993-03-24 梁正奎 Test instrument for multicore cable
EP2273278A2 (en) * 2009-07-06 2011-01-12 Engberts Mess-, Steuer- und Regelsysteme GmbH Testing system for testing a cable assembly and method for manufacturing a cable assembly
CN106526397A (en) * 2016-09-23 2017-03-22 上海送变电工程公司 Automatic intelligent checking method for intelligent substation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110297158A (en) * 2019-06-25 2019-10-01 四川九洲线缆有限责任公司 A kind of circuit effect method of three cores power-line plug line
CN111830428A (en) * 2020-06-05 2020-10-27 北京航天测控技术有限公司 Automatic detection system for cable wiring

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Application publication date: 20180612