CN207623461U - A kind of cable core Insulation Inspection System - Google Patents
A kind of cable core Insulation Inspection System Download PDFInfo
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- CN207623461U CN207623461U CN201721837357.0U CN201721837357U CN207623461U CN 207623461 U CN207623461 U CN 207623461U CN 201721837357 U CN201721837357 U CN 201721837357U CN 207623461 U CN207623461 U CN 207623461U
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Abstract
The utility model is related to core technical field of insulation detection, specially a kind of cable core Insulation Inspection System, including power-supply system, signal processing module and detectable voltage signals Acquisition Circuit, the first signal output terminal of the signal processing module is arranged through drive system, detecting system is connect with detectable voltage signals Acquisition Circuit, the detectable voltage signals Acquisition Circuit output end is connect with the signal processing module signal input part, the signal processing module second signal leading-out terminal is arranged inverted module and is connect with drive system, the signal processing module also respectively with malfunction coefficient module, emergency alarm bell sound module, manual control system connects, the power-supply system gives above-mentioned module for power supply.The utility model can disposably detect the insulation performance of multigroup cable under test core automatically, the problems such as shortening detection time and save manpower, efficiently solve the core test leakage to occur habitually in the past.
Description
Technical field
The utility model is related to core technical field of insulation detection, specially a kind of cable core Insulation Inspection System.
Background technology
When currently carrying out circuit insulation to cable core and checking, it is necessary to respectively between core and ground, core and core it
Between carry out insulation inspection, and only there are two wire clamps for existing detection device insulating megger, so being changed again after having detected single line core
It is both needed to clamp head again when line, just needs to change clamp head many times when detecting multigroup core in this way, such as detects 16 core cables even
When the cable of more Multi-core number, to carry out it is up to a hundred it is time even more multiple change clamp head, lead to that detection time is longer, inefficiency,
And be easy to cause mistakes and omissions, while when core is more, also needs two people cooperation that could complete, thus time cost, human cost,
Detection leakage error rate is all higher.
Utility model content
In view of the above problems, a kind of cable core Insulation Inspection System of the utility model, when detection, wait for 20
Survey line core accesses 20 groups of detection circuits and accesses megger in detectable voltage signals Acquisition Circuit, then passes through signal processing module control
The signal output for making the drive module corresponding to every group of detection circuit, realizes the auto switching of every group of detection circuit, then by examining
It surveys the voltage at voltage signal acquisition circuit acquisition megger both ends and is converted into Transistor-Transistor Logic level signal transmission to signal processing module, letter
Number processing module exports corresponding drive signal to malfunction coefficient module and alarm the tinkle of bells again according to the Transistor-Transistor Logic level signal received
Module, to realize to the lines of 20 groups of cores over the ground, the insulation performance of Line To Line detect automatically, therefore detection efficiency greatly carries
Height effectively prevents the test leakage problem of core.
The technical solution adopted in the utility model：
A kind of cable core Insulation Inspection System, including power-supply system, it is characterised in that：Further include signal processing module and
Detectable voltage signals Acquisition Circuit, the first signal output terminal of the signal processing module row through drive system, detecting system with
The detectable voltage signals Acquisition Circuit connection, the detectable voltage signals Acquisition Circuit output end and the signal processing module
Signal input part connects, and the signal processing module second signal leading-out terminal is arranged inverted module and connect with drive system, institute
Signal processing module is stated also to connect with malfunction coefficient module, emergency alarm bell sound module, manual control system respectively；
The drive system is provided with N number of drive module, and respectively the first drive module, the second drive module, third are driven
Dynamic model block is until N drive modules, each drive module all same；The detecting system is provided with N number of detection module, respectively
First detection module, the second detection module, third detection module are until N detection modules, each detection module all same；It is described
1≤N≤5 and N are integer；
The driving input terminal of each drive module, which is arranged with first signal output terminal, to be connected, each drive module
Drive output connects one to one with corresponding detection module detection signal input part, and the detection signal of each detection module is defeated
Outlet is connect with the signal input part of the detectable voltage signals Acquisition Circuit；
The power-supply system is given signal processing module, inversed module, malfunction coefficient module, emergency alarm bell sound module, is driven respectively
Dynamic system, detecting system and the power supply of detectable voltage signals Acquisition Circuit.
Signal processing module one is to send out chip selection signal to inversed module, second is that send out drive signal to drive module, three
It is to receive the Transistor-Transistor Logic level signal of detectable voltage signals Acquisition Circuit submitting and export corresponding drive signal to give malfunction coefficient module
With emergency alarm bell sound module；Inversed module plays piece and is elected to be use；When malfunction coefficient module and emergency alarm bell sound module receive at signal
When managing the failure drive signal of module output, light and alarm sound prompt detection operating personnel can be passed through；Drive system receives
Drive signal that signal processing module is sent out simultaneously is transmitted to detecting system；After detecting system connects tested core, by drive signal
The break-make of control detection circuit, detects and is tested core over the ground and the insulating properties between tested core；Detectable voltage signals acquire
After the collection terminal of circuit connects megger, when detection, is responsible for acquiring the both end voltage of megger and being converted into TTL signal being transmitted to signal
Processing module.
Further, each drive module includes latch and driver, the 17th resistance of the ends the latch OE
R17 is grounded, and the ends the latch VCC are connect with Voltage stabilizing module output end VDD, and the latch is provided with 9 signal input parts,
Respectively the first signal input part I1, second signal input terminal I2, third signal input part I3, fourth signal input terminal I4,
Five signal input part I5, the 6th signal input part I6, the 7th signal input part I7, the 8th signal input part I8 and the 9th signal are defeated
Enter and hold I9, the 9th signal input part I9 of the latch is connect with inversed module signal output end, 8 signals of the latch
Output end Q0-Q7 and 8 signal input part B1-B8 of the driver connect one to one, the ends the driver VC and power supply
The V1 connections of module output end, the driver export 4 groups of drive signals, and every group of drive signal is exported by two signal output ends.
Described two signal output ends are the first output terminals A and second output terminal A ', 8 driving letters of 4 groups of drive signals
Number output end is respectively first group of first output terminals A of drive signal 1 and second output terminal A1 ', and second group of drive signal first is defeated
Outlet A2 and second output terminal A2 ', the first output terminals A of third group drive signal 3 and second output terminal A3 ', the 4th group of driving letter
Number the first output terminals A 4 and second output terminal A4 '.
From inversed module to latch output drive signal to start drive module, each drive module exports 4 groups of drivings
Signal is to corresponding 4 groups of detection circuits in detection module, to control the break-make of detection circuit.
Further, the first signal output terminal of signal processing module row is provided with 8 signal output ends, respectively
First signal output end P00, second signal output end P01, third signal output end P02, fourth signal output end P03, the 5th
Signal output end P04, the 6th signal output end P05, the 7th signal output end P06 and the 8th signal output end P07, described first
Signal output end P00 is connect with the first signal input part of the latch of all drive modules I1 respectively, the second signal output
End P01 is connect with the latch second signal input terminal I2 of all drive modules respectively, the third signal output end P02 difference
Connect with the latch third signal input part I3 of all drive modules, the fourth signal output end P03 respectively with all drives
The latch fourth signal input terminal I4 connections of dynamic model block, the 5th signal output end P04 respectively with all drive modules
The 5th signal input part I5 connections of latch, the 6th signal output end P05 respectively with the latch of all drive modules
Six signal input part I6 connections, the 7th signal output end P06 are defeated with the 7th signal of the latch of all drive modules respectively
Enter I7 is held to connect, the 8th signal output end P07 connects with the 8th signal input part I8 of the latch of all drive modules respectively
It connects.
Signal processing module exports 8 drive signals to each drive module.
Further, each detection module includes 4 groups of identical detection circuits, respectively the first detection circuit,
Second detection circuit, third detection circuit and the 4th detection circuit；First detection circuit the first signal input part HV1 with it is right
First group of first output terminals A of drive signal 1 of the driver is answered to connect, the first detection circuit second signal input terminal
First group of drive signal second output terminal A1 ' connection of HV2 and the corresponding driver, first signal of the second detection circuit
Second group of first output terminals A of drive signal 2 of input terminal HV1 and the corresponding driver connects, second detection circuit the
Second group of drive signal second output terminal A2 ' connection of binary signal input terminal HV2 and the corresponding driver, the third detection
The first output terminals A of third group drive signal 3 of circuit the first signal input part HV1 and the corresponding driver connects, and described the
The third group drive signal second output terminal A3 ' connections of three testing circuit second signal input terminal HV2 and the corresponding driver,
The 4th group of the first output terminals A of drive signal 4 of 4th detection circuit the first signal input part HV1 and the corresponding driver
Connection, the 4th detection circuit second signal input terminal HV2 and the 4th group of drive signal second of the corresponding driver are defeated
Outlet A4 ' connections；
Each detection circuit includes one group of lighting display circuit and two groups of identical control circuits；The light is shown
Circuit includes the first light emitting diode D100 and the second light emitting diode D200, and the first light emitting diode D100 anodes are through the
One resistance R1 is connect with power module outlet V1, and the first light emitting diode D100 anodes are also through the second light emitting diode
D200,3rd resistor R3 are connect with power module outlet V1, the second light emitting diode D200 cathodes and corresponding driving
A ' the connections of signal second output terminal, the first light emitting diode D100 cathodes are through second resistance R2 and power module outlet V1
Connection, the first light emitting diode D100 cathodes are also connected with the first output terminals A of corresponding drive signal；
Two groups of identical control circuits are respectively first control circuit and second control circuit, the control circuit packet
Relay K and the first triode VT1 are included, the relay K positive input terminals 1 are through the first capacitance C100 and power module outlet V1
Connection, the relay K negative input ends 2 connect with the second triode VT2 emitters, the second triode VT2 collectors and
Power module outlet V1 connections, the second triode VT2 base stages are connect with the first triode VT1 emitters, described
First triode VT1 collectors are connect through the 5th resistance R5 with power module outlet V1, the first triode VT1 base stages with
4th diode D400 anodes connect, and the first triode VT1 base stages are also through the 4th resistance R4 and power module outlet V1
Connection, relay K first output ends 4 are vacant；
The relay K second output terminals 3 of the first control circuit and the first collection terminal of detectable voltage signals Acquisition Circuit
HV3 connections, relay K second output terminals 3 and the second collection terminal of detectable voltage signals Acquisition Circuit of the second control circuit
HV4 connections, the relay K negative input ends 2 are also sequentially connected in series third diode D300, the 4th diode D400；Described first
4th diode D400 cathodes of control circuit are connect with the first output terminals A of the drive signal, the second control circuit
4th diode D400 cathodes are connect with the second output terminal A ' of drive signal described in same group.
When drive signal the first output terminals A input low level signal, D100 electrified light emittings, while first control circuit after
Electric appliance K coils obtain electric, and switch 3-4 is closed, on the contrary then D100 power-off does not work, switch 3-4 disconnections；When drive signal second output terminal
When A ' input low level signals, D200 electrified light emittings, while second control circuit relay K coils obtain electric, switch 3-4 closures,
On the contrary then D200 power-off does not work, and switch 3-4 is disconnected, and first output ends of relay K 4 are cable under test core terminals.
Further, the detectable voltage signals Acquisition Circuit includes third transistor VT3 and the 4th triode VT4, institute
It states third transistor VT3 base stages to connect with the first collection terminal HV3 through the 7th resistance R7, the 6th diode D600, described first adopts
Collection end HV3 is also connect with the 5th diode D500 cathodes, and the 5th diode D500 anodes are connect with the second collection terminal HV4,
The 6th diode D600 anodes are connect through the 6th resistance R6 with Voltage stabilizing module output end VDD, the third transistor VT3 hairs
Emitter-base bandgap grading is connect with Voltage stabilizing module output end VDD, and the third transistor VT3 collectors are grounded through the tenth resistance R10, the third
Triode VT3 collectors are also connect through the 9th resistance R9 with the 4th triode VT4 base stages, the 4th triode VT4 collectors
It is connect with Voltage stabilizing module output end VDD through the 8th resistance R8, the 4th triode VT4 collectors are also through eleventh resistor R11
It is connect with the first signal input part of signal processing module P27, the 4th triode VT4 emitters ground connection.
When detection, the first collection terminal HV3 connects megger anode, and the second collection terminal HV4 connects megger cathode, when the first collection terminal
When voltage between HV3 and the second collection terminal HV4 is less than megger both end voltage, then detectable voltage signals Acquisition Circuit exports one
The low level signal of 0V is to signal processing module, when the voltage between the first collection terminal HV3 and the second collection terminal HV4 is equal to megger
When both end voltage, detectable voltage signals Acquisition Circuit exports a high level signal to signal processing module.
Further, the malfunction coefficient module includes the 7th light emitting diode D700 and the 8th light emitting diode D800,
The 8th light emitting diode D800 anodes are through the 7th light emitting diode D700, thirteenth resistor R13 and Voltage stabilizing module output end
VDD connections, the 8th light emitting diode D800 anodes are also connect through the 14th resistance R14 with Voltage stabilizing module output end VDD, institute
It states the 7th light emitting diode D700 cathodes to connect with the 14th signal output end P26 of signal processing module, the described 8th luminous two
Pole pipe D800 cathodes are connect with the 5th triode VT5 collectors, the 5th triode VT5 base stages through twelfth resistor R12 with
The 14th signal output end P26 connections of signal processing module, the 5th triode VT5 emitters ground connection.
When the 14th signal output end P26 of signal processing module exports a low level signal to malfunction coefficient module,
7th light emitting diode D700 electrified light emittings；When the 14th signal output end P26 of signal processing module exports a high level letter
Number when, the 5th triode VT5 must be conducted, the 8th light emitting diode D800 electrified light emittings.
Further, the emergency alarm bell sound module include the 6th diode VT6, the 6th diode VT6 collectors with
Alarm cathode connects, and the alarm anode is connect with Voltage stabilizing module output end VDD, and the alarm anode is also through the 16th
Resistance R16 is connect with the 15th signal output end P25 of signal processing module, and the 6th diode VT6 base stages are through the 15th electricity
Resistance R15 is connect with the 15th signal output end P25 of signal processing module, the 6th diode VT6 emitters ground connection.
When the 15th signal output end P25 of signal processing module exports a high level signal, the 6th diode VT6 is obtained
It conducts, alarm sounds the alarm.
Further, the second signal leading-out terminal row includes the 9th signal output end P20, the tenth signal output end
P21, the 11st signal output end P22, the tenth binary signal output end P23 and the 13rd signal output end P24；9th signal
Output end P20, the tenth signal output end P21, the 11st signal output end P22, the tenth binary signal output end P23, the 13rd letter
Number output end P24 respectively with the first signal input part 1A of inversed module, second signal input terminal 2A, third signal input part
3A, fourth signal input terminal 4A, the 5th signal input part 5A connect one to one, the first signal output end of inversed module 1Y
It is connect with the 9th signal input part I9 of the first drive module latch, the inversed module second signal output end 2Y and second drives
The 9th signal input part I9 connections of dynamic module latches, the inversed module third signal output end 3Y are locked with third drive module
The I9 connections of storage signal input part, the inversed module fourth signal output end 4Y and the 4th drive module latch signal input
I9 connections, the 5th signal output end 5Y of the inversed module is held to be connect with the 5th drive module latch signal input terminal I9, institute
The ends inversed module VCC are stated to connect with Voltage stabilizing module output end VDD.
Inversed module playing piece is elected to be use, and arranging one of leading-out terminal when second signal leading-out terminal exports a low level
When signal, the corresponding output end of inversed module then exports a high level signal to drive connected drive module, otherwise institute
What corresponding drive module received is low level signal, is not driven.
Further, the manual control system include time toggle switch, line number toggle switch, emergency stop switch K1, after
Continuous run switch K2, the first switching switch K3, the second switching switch K4, the first signal output end of the time toggle switch,
Second signal output end, third signal output end, fourth signal output end, the 5th signal output end and signal processing module second
Signal input part P15, third signal input part P16, fourth signal input terminal P17, the 5th signal input part P32, the 6th signal
Input terminal P35 connects one to one, the time toggle switch 1-5 terminal grounds；
The first signal output end, second signal output end, third signal output end, the 4th letter of the line number toggle switch
Number the 7th signal input part P14 of output end, the 5th signal output end and signal processing module, the 8th signal input part P13, the 9th
Signal input part P12, the tenth signal input part P11, the 11st signal input part P10 connect one to one, the line number dial-up
Switch 1-5 terminal grounds；
The one end the emergency stop switch K1 is connect with the tenth binary signal input terminal P34 of signal processing module, the emergency stop switch
The K1 other ends are grounded；
The described one end switch K2 that continues to run with is connect with the 13rd signal input part P33 of signal processing module, the continuation
The run switch K2 other ends are grounded；
First switching one end switch K3 is connect with the 14th signal input part P36 of signal processing module, and described first
Switch switch K3 other ends ground connection；
Second switching one end switch K4 is connect with the 15th signal input part P37 of signal processing module, and described second
Switch switch K4 other ends ground connection.
Time toggle switch is used to manually set the detection time of every core；Line number toggle switch is for manually setting out
Begin the core line number detected；First switching switch K3 by tested core for being directly connected to megger anode, the second switching manually
Switch K4 by tested core for being directly connected to megger cathode manually.
Further, the power-supply system includes power module and Voltage stabilizing module, the power module through switch button K5,
Voltage stabilizing module is connect with the ends signal processing module VCC.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model：
A kind of cable core Insulation Inspection System of the utility model, can the multigroup electricity to be measured of disposable auto arrangement combine detection
The insulation performance of cable core includes the insulating properties of core over the ground, between core and core, also can detection needed for artificial manual setting
Core line number, the detection parameters such as detection time, avoid testing staff from wasting the time caused by due to repeatedly adjusting detection clip,
It effectively increases working efficiency and saves a large amount of manpowers, while also solving and often occurring because detecting multigroup core in the past
Test leakage problem.It has been proved by practice that for detecting the insulating properties of 19 core cables, operated 20 minutes by 1 testing staff in the past
The detection work just completed, is now promoted to 1 people and can be completed for 8 minutes；For detecting the insulating properties of 8 core cables, in the past by 1
Testing staff operates the detection work just completed in 6 minutes, is now promoted to 1 people and can be completed for 3 minutes, and it is existing not occur test leakage
As, it is seen that detection time shortens at least half, and working efficiency is greatly improved.
Description of the drawings
Example in order to illustrate more clearly of the utility model or technical solution in the prior art, below will be real to implementing
Required attached drawing, which is done, in example or description of the prior art simply introduces, it is clear that the accompanying drawings in the following description is only this practicality
Some novel examples to those skilled in the art, can also be according to this under the premise of not paying creativeness
A little attached drawings obtain other attached drawings.
A kind of cable core Insulation Inspection System structure diagrams of Fig. 1；
A kind of cable core Insulation Inspection System circuit block diagrams of Fig. 2；
The company of Fig. 3 drive modules internal structure chart and drive module, detection module, detectable voltage signals Acquisition Circuit
Connect relational graph；
The annexation figure of Fig. 4 signal processing modules and drive module；
Fig. 5 detection circuit schematic diagrams；
Fig. 6 detectable voltage signals Acquisition Circuit schematic diagrams；
Fig. 7 malfunction coefficient module circuit schematics；
Fig. 8 emergency alarm bell sound module circuit diagrams；
Fig. 9 detects the fundamental diagram of unit cable core insulation against ground performance；
Figure 10 detects the fundamental diagram of the insulation performance between two cable cores；
The wiring diagram of 10 groups of cable cores of Figure 11 L1-L10；
The wiring diagram of 10 groups of cable cores of Figure 12 L11-L20；
In attached drawing, VDD- Voltage stabilizing modules output end, V1- power module outlets, Q0-Q7 are defeated for 8 signals of latch
Outlet, 8 signal input parts that B1-B8 is driver.
Specific implementation mode
Below in conjunction with the attached drawing in the example of the utility model, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment：
A kind of cable core Insulation Inspection System, including power-supply system, signal processing module and detectable voltage signals acquisition
Circuit, the first signal output terminal of signal processing module row is through drive system, detecting system and the detectable voltage signals
Acquisition Circuit connects, and the detectable voltage signals Acquisition Circuit output end is connect with the signal processing module signal input part,
The signal processing module second signal leading-out terminal is arranged inverted module and is connect with drive system, and the signal processing module is also
It is connect respectively with malfunction coefficient module, emergency alarm bell sound module, manual control system；The drive system is provided with N number of driving mould
Block, respectively the first drive module, the second drive module, third drive module are until N drive modules, each drive module are equal
It is identical；The detecting system is provided with N number of detection module, and respectively first detection module, the second detection module, third detects mould
Block is until N detection modules, each detection module all same；1≤N≤5 and N are integer；
The driving input terminal of each drive module, which is arranged with first signal output terminal, to be connected, each drive module
Drive output connects one to one with corresponding detection module detection signal input part, and the detection signal of each detection module is defeated
Outlet is connect with the signal input part of the detectable voltage signals Acquisition Circuit；The power-supply system gives signal processing mould respectively
Block, inversed module, malfunction coefficient module, emergency alarm bell sound module, drive system, detecting system and detectable voltage signals Acquisition Circuit
Power supply；
Each drive module includes latch and driver, the 17th resistance R17 ground connection of the ends the latch OE, institute
The ends latch VCC to be stated to connect with Voltage stabilizing module output end VDD, the latch is provided with 9 signal input parts, and respectively first
Signal input part I1, second signal input terminal I2, third signal input part I3, fourth signal input terminal I4, the input of the 5th signal
Hold I5, the 6th signal input part I6, the 7th signal input part I7, the 8th signal input part I8 and the 9th signal input part I9, institute
It states the 9th signal input part I9 of latch to connect with inversed module signal output end, 8 signal output end Q0- of the latch
8 signal input part B1-B8 of Q7 and the driver connect one to one, the ends the driver VC and power module outlet
V1 connections, the driver export 4 groups of drive signals, and every group of drive signal is exported by two signal output ends；
The first signal output terminal of signal processing module row is provided with 8 signal output ends, respectively the first signal
Output end P00, second signal output end P01, third signal output end P02, fourth signal output end P03, the output of the 5th signal
Hold P04, the 6th signal output end P05, the 7th signal output end P06 and the 8th signal output end P07, the first signal output
End P00 is connect with the first signal input part of the latch of all drive modules I1 respectively, the second signal output end P01 difference
Connect with the latch second signal input terminal I2 of all drive modules, the third signal output end P02 respectively with all drives
The latch third signal input part I3 connections of dynamic model block, the fourth signal output end P03 respectively with all drive modules
Latch fourth signal input terminal I4 connections, the 5th signal output end P04 respectively with the latch of all drive modules
Five signal input part I5 connections, the 6th signal output end P05 are defeated with the 6th signal of the latch of all drive modules respectively
Enter I6 is held to connect, the 7th signal output end P06 connects with the 7th signal input part I7 of the latch of all drive modules respectively
It connects, the 8th signal output end P07 is connect with the 8th signal input part I8 of the latch of all drive modules respectively；
Each detection module includes 4 groups of identical detection circuits, respectively the first detection circuit, the second detection electricity
Road, third detection circuit and the 4th detection circuit；First detection circuit the first signal input part HV1 and the corresponding driving
First group of first output terminals A of drive signal 1 of device connects, the first detection circuit second signal input terminal HV2 and corresponding institute
State first group of drive signal second output terminal A1 ' connection of driver, the second detection circuit the first signal input part HV1 with
Second group of first output terminals A of drive signal 2 connection of the corresponding driver, the second detection circuit second signal input terminal
Second group of drive signal second output terminal A2 ' connection of HV2 and the corresponding driver, first signal of third detection circuit
The first output terminals A of third group drive signal 3 of input terminal HV1 and the corresponding driver connects, the third detection circuit the
The third group drive signal second output terminal A3 ' connections of binary signal input terminal HV2 and the corresponding driver, the 4th detection
4th group of the first output terminals A of drive signal 4 of circuit the first signal input part HV1 and the corresponding driver connects, and described the
The 4th group of drive signal second output terminal A4 ' connection of four detection circuit second signal input terminal HV2 and the corresponding driver；
Each detection circuit includes one group of lighting display circuit and two groups of identical control circuits；The light is shown
Circuit includes the first light emitting diode D100 and the second light emitting diode D200, and the first light emitting diode D100 anodes are through the
One resistance R1 is connect with power module outlet V1, and the first light emitting diode D100 anodes are also through the second light emitting diode
D200,3rd resistor R3 are connect with power module outlet V1, the second light emitting diode D200 cathodes and corresponding driving
A ' the connections of signal second output terminal, the first light emitting diode D100 cathodes are through second resistance R2 and power module outlet V1
Connection, the first light emitting diode D100 cathodes are also connected with the first output terminals A of corresponding drive signal；
Two groups of identical control circuits are respectively first control circuit and second control circuit, the control circuit packet
Relay K and the first triode VT1 are included, the relay K positive input terminals 1 are through the first capacitance C100 and power module outlet V1
Connection, the relay K negative input ends 2 connect with the second triode VT2 emitters, the second triode VT2 collectors and
Power module outlet V1 connections, the second triode VT2 base stages are connect with the first triode VT1 emitters, described
First triode VT1 collectors are connect through the 5th resistance R5 with power module outlet V1, the first triode VT1 base stages with
4th diode D400 anodes connect, and the first triode VT1 base stages are also through the 4th resistance R4 and power module outlet V1
Connection, relay K first output ends 4 are vacant；The relay K second output terminals 3 of the first control circuit and detection electricity
Press signal acquisition circuit the first collection terminal HV3 connections, relay K second output terminals 3 and the detection electricity of the second control circuit
Press signal acquisition circuit the second collection terminal HV4 connections, the relay K negative input ends 2 be also sequentially connected in series third diode D300,
4th diode D400；4th diode D400 cathodes of the first control circuit and the first output terminals A of the drive signal
Connection, the 4th diode D400 cathodes of the second control circuit and the second output terminal A ' of drive signal described in same group connect
It connects.
The detectable voltage signals Acquisition Circuit includes third transistor VT3 and the 4th triode VT4, the three or three pole
Pipe VT3 base stages are connect through the 7th resistance R7, the 6th diode D600 with the first collection terminal HV3, the first collection terminal HV3 also with
5th diode D500 cathodes connect, and the 5th diode D500 anodes are connect with the second collection terminal HV4, the six or two pole
Pipe D600 anodes are connect through the 6th resistance R6 with Voltage stabilizing module output end VDD, the third transistor VT3 emitters and voltage stabilizing mould
The VDD connections of block output end, the third transistor VT3 collectors are grounded through the tenth resistance R10, the third transistor VT3 collection
Electrode is also connect through the 9th resistance R9 with the 4th triode VT4 base stages, and the 4th triode VT4 collectors are through the 8th resistance R8
It is connect with Voltage stabilizing module output end VDD, the 4th triode VT4 collectors are also through eleventh resistor R11 and signal processing mould
Block the first signal input part P27 connections, the 4th triode VT4 emitters ground connection；
The malfunction coefficient module includes the 7th light emitting diode D700 and the 8th light emitting diode D800, the 8th hair
Optical diode D800 anodes are connect through the 7th light emitting diode D700, thirteenth resistor R13 with Voltage stabilizing module output end VDD, institute
It states the 8th light emitting diode D800 anodes also to connect with Voltage stabilizing module output end VDD through the 14th resistance R14, the described 7th shines
Diode D700 cathodes are connect with the 14th signal output end P26 of signal processing module, and the 8th light emitting diode D800 is cloudy
Pole is connect with the 5th triode VT5 collectors, and the 5th triode VT5 base stages are through twelfth resistor R12 and signal processing mould
The 14th signal output end P26 connections of block, the 5th triode VT5 emitters ground connection；
The emergency alarm bell sound module includes the 6th diode VT6, the 6th diode VT6 collectors and alarm cathode
Connection, the alarm anode connect with Voltage stabilizing module output end VDD, the alarm anode also through the 16th resistance R16 and
The 15th signal output end P25 connections of signal processing module, the 6th diode VT6 base stages are through the 15th resistance R15 and letter
Number the 15th signal output end P25 connections of processing module, the 6th diode VT6 emitters ground connection；
The second signal leading-out terminal row includes the 9th signal output end P20, the tenth signal output end P21, the 11st
Signal output end P22, the tenth binary signal output end P23 and the 13rd signal output end P24；The 9th signal output end P20,
Tenth signal output end P21, the 11st signal output end P22, the tenth binary signal output end P23, the 13rd signal output end P24
It is defeated with the first signal input part 1A of inversed module, second signal input terminal 2A, third signal input part 3A, fourth signal respectively
Enter to hold 4A, the 5th signal input part 5A to connect one to one, the driving moulds of the inversed module the first signal output end 1Y and first
The 9th signal input part I9 connections of block latch, the inversed module second signal output end 2Y and the second drive module latch
9th signal input part I9 connections, the inversed module third signal output end 3Y are inputted with third drive module latch signal
I9 connections, the inversed module fourth signal output end 4Y is held to be connect with the 4th drive module latch signal input terminal I9, institute
It states the 5th signal output end 5Y of inversed module to connect with the 5th drive module latch signal input terminal I9, the inversed module
The ends VCC are connect with Voltage stabilizing module output end VDD；
The manual control system includes time toggle switch, line number toggle switch, emergency stop switch K1, continues to run with switch
K2, the first switching switch K3, the second switching switch K4, the first signal output end 6 of the time toggle switch, second signal are defeated
Outlet 7, third signal output end 8, fourth signal output end 9, the 5th signal output end 10 and signal processing module second signal
Input terminal P15, third signal input part P16, fourth signal input terminal P17, the 5th signal input part P32, the input of the 6th signal
End P35 connects one to one, the time toggle switch 1-5 terminal grounds；
First signal output end 6 of the line number toggle switch, second signal output end 7, third signal output end 8,
Four signal output ends 9, the 5th signal output end 10 and the 7th signal input part P14 of signal processing module, the 8th signal input part
P13, the 9th signal input part P12, the tenth signal input part P11, the 11st signal input part P10 connect one to one, described
Line number toggle switch 1-5 terminal grounds；
The one end the emergency stop switch K1 is connect with the tenth binary signal input terminal P34 of signal processing module, the emergency stop switch
The K1 other ends are grounded；The described one end switch K2 that continues to run with is connect with the 13rd signal input part P33 of signal processing module, described
Continue to run with switch K2 other ends ground connection；Described first switching one end switch K3 and the 14th signal input part of signal processing module
P36 connections, the first switching switch K3 other ends ground connection；Described second switching one end switch K4 and signal processing module the tenth
Five signal input part P37 connections, the second switching switch K4 other ends ground connection；
The power-supply system includes power module and Voltage stabilizing module, and the power module is through switch button K5, Voltage stabilizing module
It is connect with the ends signal processing module VCC.
In the present embodiment, N=5, D100 are blue LED, and D200 and D800 are green LED, D700
For red light emitting diodes.
The operation principle of the utility model is as follows：As shown in Figure 11 and Figure 12, by cable under test core L1-L20 before detection
In one-to-one access the first detection circuit to the 20th detection circuit, every core access every group of detection circuit two wait for
Cable core terminals are surveyed, such as：L1 points of core is the first of L1 ' and L1 ' ', wherein L1 ' and first control circuit relay K
Output end 4 connects, and L1 ' ' is connect with the first output end 4 of second control circuit relay K, then by electronics megger anode and inspection
Voltage signal acquisition circuit the first collection terminal HV3 connections are surveyed, by electronics megger cathode and detectable voltage signals Acquisition Circuit second
Collection terminal HV4 connections, electronics megger cathode ground connection, press switch button K5, when detecting the insulating properties of single core over the ground, such as
Shown in Fig. 9, the insulating properties of detection core L1 over the ground, first group of first output terminals A of drive signal 1 exports low level signal DR1, this
When lighting display circuit D100 energizations send out blue light, first control circuit relay K switch 3-4 is closed, and shows that core L1 connects
In megger anode, first group of drive signal second output terminal A1 ' exports high level signal DR2, at this moment lighting display circuit
D200 does not work, and second control circuit relay K switch 3-4 is disconnected, if the insulation performance of core L1 insulated hulls is good, electronics shakes
Table anode, core L1, the earth, electronics megger cathode can not constitute circuit, therefore the both ends electricity of detectable voltage signals Acquisition Circuit
Pressure is the rated voltage of electronics megger, and detectable voltage signals Acquisition Circuit exports a high level letter to signal processing module
Number, then signal processing module exports a high level drive signal to malfunction coefficient module, and light emitting diode D800 sends out green
Light, synchronous signal processing module export a low level signal to emergency alarm bell sound module, and alarm does not work, and shows that core L1 is exhausted
Edge is functional；
If the insulation performance of core L1 insulated hulls is poor, electronics megger anode, core L1, the earth, electronics megger cathode
Circuit is constituted, the both end voltage of detectable voltage signals Acquisition Circuit is less than the rated voltage of electronics megger, detection voltage letter at this time
Number Acquisition Circuit exports the low level signal of a 0V to signal processing module, and then signal processing module is to malfunction coefficient module
A low level signal is exported, then light emitting diode D700 sends out feux rouges, and light emitting diode D800 extinguishes, and synchronous signal handles mould
Block exports a high level drive signal to emergency alarm bell sound module, and alarm work shows that detection core L1 insulation performances are bad,
Also it is similarly, core and line to be detected again after having detected the insulating properties of all cores over the ground when detecting the insulating properties of remaining core over the ground
Insulation performance between core.
As shown in Figure 10, when detecting the insulating properties between core L1 and core L2, first group of first output end of drive signal
A1 exports low level signal DR1, the first control circuit relay K switch 3-4 closures of first group of detection circuit, first group of detection
The lighting display circuit D100 energizations of circuit send out blue light, show that core L1 is connected on megger anode, first group of drive signal second
Output terminals A 1 ' exports high level signal DR2, and the lighting display circuit D200 of first group of detection circuit does not work, first group of detection electricity
The second control circuit relay K switch 3-4 on road is disconnected, and second group of first output terminals A of drive signal 2 exports high level signal
The first control circuit relay K switch 3-4 of DR3, second group of detection circuit are disconnected, the light display electricity of second group of detection circuit
Road D100 no powers, second group of drive signal second output terminal A2 ' output low level signal DR4, the of second group of detection circuit
Two control circuit relay K switch 3-4 are closed, and the lighting display circuit D200 energizations of second group of detection circuit send out green light, table
Open-wire line core L2 is connected on megger cathode, if the insulation performance between core L1 and core L2 is well the insulation of cable core insulated hull
Performance is good, then electronics megger anode, core L1, core L2, electronics megger cathode can not constitute circuit, therefore detectable voltage signals
The both end voltage of Acquisition Circuit is the rated voltage of electronics megger, and detectable voltage signals Acquisition Circuit is defeated to signal processing module
Go out a high level signal, then signal processing module to malfunction coefficient module export a high level drive signal, shine two
Pole pipe D800 sends out green light, and synchronous signal processing module exports a low level signal to emergency alarm bell sound module, alarm not work
Make, shows that the insulation performance detected between core L1 and core L2 is good；
If the insulation performance of the bad i.e. cable core insulated hull of insulation performance between core L1 and core L2 is bad, electricity
Sub- megger anode, the negative composition circuit of core L1, core L2, electronics megger, the both ends of detectable voltage signals Acquisition Circuit are electric at this time
It forces down in the rated voltage of electronics megger, detectable voltage signals Acquisition Circuit exports the low level of a 0V to signal processing module
Signal, then signal processing module to malfunction coefficient module export a low level signal, then light emitting diode D700 send out red
Light, light emitting diode D800 extinguish, and synchronous signal processing module exports a high level drive signal, report to emergency alarm bell sound module
Alert device work, shows that the insulation performance between core L1 and core L2 is bad.
When detecting the insulation performance between core L1 and core L3, first group of first output terminals A of drive signal 1 exports low electricity
Ordinary mail DR1, first group of drive signal second output terminal A1 ' output high level signals DR2 so that core L1 is connecing electronics megger just
Pole, second group of first output terminals A of drive signal 2 and second output terminal A2 ' export high level signal so that core L2 is not accessed
Electronics megger, the first output terminals A of third group drive signal 3 export high level signal DR5, third group drive signal second output terminal
A3 ' exports low level signal DR6 so that core L3 connects electronics megger cathode, and testing principle is same as described above, next detects
Also it is such when insulation performance between core L1 and other cores.
After having detected core L1 insulating properties, when starting to detect insulating properties of the core L2 to other cores, first group of driving
The first output terminals A of signal 1 and second output terminal A1 ' export high level signal so that and core L1 does not access electronics megger, and second
The first output terminals A of group drive signal 2 exports low level signal DR3 ', second group of high electricity of the first output terminals A 2 ' of drive signal output
The D100 energizations of ordinary mail DR4 ', the lighting display circuit of the second detection circuit send out blue light, the first control of the second detection circuit
Circuit relay K switch 3-4 processed is closed so that core L2 is connected on electronics megger anode, third group the first output end of drive signal
A3 exports high level signal DR5, third group drive signal second output terminal A3 ' output low level signals DR6 so that core L3 connects
Electronics megger cathode, testing principle is same as described above, after having detected insulating properties of the core L2 to other cores, then is switched to
Next core is also such when being detected.
Detecting system first detects the insulation against ground of every core of core L1-L20, after the completion of detection, starts to detect core
Between insulating properties, until this 20 cores all complete by detection, operating personnel need to be switched to wherein any one in detection process
When root core is detected, emergency stop switch K1 can be pressed, the required line detected is then switched to always by the second switching switch K4
It until core, then presses and continues to run with switch K2 and proceed by detection from the core being switched to, if needing to change detection core
Line number or detection time can be modified by line number toggle switch and time toggle switch.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in utility model
Within protection domain.
Claims (10)
1. a kind of cable core Insulation Inspection System, including power-supply system, it is characterised in that：Further include signal processing module and inspection
Voltage signal acquisition circuit is surveyed, the first signal output terminal of the signal processing module is arranged through drive system, detecting system and institute
The connection of detectable voltage signals Acquisition Circuit is stated, the detectable voltage signals Acquisition Circuit output end is believed with the signal processing module
The connection of number input terminal, the signal processing module second signal leading-out terminal is arranged inverted module and is connect with drive system, described
Signal processing module is also connect with malfunction coefficient module, emergency alarm bell sound module, manual control system respectively；
The drive system is provided with N number of drive module, and respectively the first drive module, the second drive module, third drive mould
Block is until N drive modules, each drive module all same；The detecting system is provided with N number of detection module, respectively first
Detection module, the second detection module, third detection module are until N detection modules, each detection module all same；1≤the N
≤ 5 and N is integer；
The driving input terminal of each drive module, which is arranged with first signal output terminal, to be connected, the driving of each drive module
Output end connects one to one with corresponding detection module detection signal input part, the detection signal output end of each detection module
It is connect with the signal input part of the detectable voltage signals Acquisition Circuit；
The power-supply system gives signal processing module, inversed module, malfunction coefficient module, emergency alarm bell sound module, driving system respectively
System, detecting system and the power supply of detectable voltage signals Acquisition Circuit.
2. a kind of cable core Insulation Inspection System according to claim 1, it is characterised in that：Each drive module
Including latch and driver, the 17th resistance R17 of the ends the latch OE is grounded, the ends the latch VCC and Voltage stabilizing module
Output end VDD connections, the latch are provided with 9 signal input parts, and respectively the first signal input part I1, second signal is defeated
Enter to hold I2, third signal input part I3, fourth signal input terminal I4, the 5th signal input part I5, the 6th signal input part I6,
Seven signal input part I7, the 8th signal input part I8 and the 9th signal input part I9, the 9th signal input part I9 of the latch
It is connect with inversed module signal output end, 8 signal output end Q0-Q7 of the latch and 8 signals of the driver
Input terminal B1-B8 connects one to one, and the ends the driver VC are connect with power module outlet V1, the driver output 4
Group drive signal, every group of drive signal are exported by two signal output ends.
3. a kind of cable core Insulation Inspection System according to claim 1 or 2, it is characterised in that：The signal processing
The first signal output terminal of module row is provided with 8 signal output ends, and respectively the first signal output end P00, second signal is defeated
Outlet P01, third signal output end P02, fourth signal output end P03, the 5th signal output end P04, the 6th signal output end
P05, the 7th signal output end P06 and the 8th signal output end P07, the first signal output end P00 respectively with all drivings
Latch the first signal input part I1 connections of module, second signal output end P01 locks with all drive modules respectively
Storage second signal input terminal I2 connections, the third signal output end P02 respectively with the latch third of all drive modules
Signal input part I3 connections, the fourth signal output end P03 are inputted with the latch fourth signal of all drive modules respectively
I4 connections, the 5th signal output end P04 is held to be connect respectively with the 5th signal input part I5 of the latch of all drive modules,
The 6th signal output end P05 is connect with the 6th signal input part I6 of the latch of all drive modules respectively, and the described 7th
Signal output end P06 is connect with the 7th signal input part I7 of the latch of all drive modules respectively, the 8th signal output
End P07 is connect with the 8th signal input part I8 of the latch of all drive modules respectively.
4. a kind of cable core Insulation Inspection System according to claim 1 or 2, it is characterised in that：Each detection
Module includes 4 groups of identical detection circuits, respectively the first detection circuit, the second detection circuit, third detection circuit and
Four detection circuits；
First detection circuit the first signal input part HV1 is exported with first group of drive signal first of the corresponding driver
Hold A1 connections, the first detection circuit second signal input terminal HV2 and first group of drive signal of the corresponding driver the
Two output terminals As 1 ' connect, second group of driving of the second detection circuit the first signal input part HV1 and the corresponding driver
The first output terminals A of signal 2 connects, the second detection circuit second signal input terminal HV2 and the second of the corresponding driver
Group drive signal second output terminal A2 ' connections, third detection circuit the first signal input part HV1 and the corresponding driver
The first output terminals A of third group drive signal 3 connect, the third detection circuit second signal input terminal HV2 with it is corresponding described in
The third group drive signal second output terminal A3 ' connections of driver, the 4th detection circuit the first signal input part HV1 with it is right
The 4th group of the first output terminals A of drive signal 4 of the driver is answered to connect, the 4th detection circuit second signal input terminal
The 4th group of drive signal second output terminal A4 ' connection of HV2 and the corresponding driver；
Each detection circuit includes one group of lighting display circuit and two groups of identical control circuits；The lighting display circuit
Including the first light emitting diode D100 and the second light emitting diode D200, the first light emitting diode D100 anodes are through the first electricity
Resistance R1 connect with power module outlet V1, the first light emitting diode D100 anodes also through the second light emitting diode D200,
3rd resistor R3 is connect with power module outlet V1, the second light emitting diode D200 cathodes and corresponding drive signal
Two output terminals As ' connection, the first light emitting diode D100 cathodes are connect through second resistance R2 with power module outlet V1,
The first light emitting diode D100 cathodes are also connected with the first output terminals A of corresponding drive signal；
Two groups of identical control circuits are respectively first control circuit and second control circuit, the control circuit include after
Electric appliance K and the first triode VT1, the relay K positive input terminals 1 connect through the first capacitance C100 and power module outlet V1
It connects, the relay K negative input ends 2 are connect with the second triode VT2 emitters, the second triode VT2 collectors and electricity
The V1 connections of source module output end, the second triode VT2 base stages are connect with the first triode VT1 emitters, and described
One triode VT1 collectors are connect through the 5th resistance R5 with power module outlet V1, the first triode VT1 base stages and the
Four diode D400 anodes connect, and the first triode VT1 base stages also connect through the 4th resistance R4 and power module outlet V1
It connects, relay K first output ends 4 are vacant；
The relay K second output terminals 3 of the first control circuit connect with the first collection terminal of detectable voltage signals Acquisition Circuit HV3
It connects, relay K second output terminals 3 and the second collection terminal of detectable voltage signals Acquisition Circuit HV4 of the second control circuit connects
It connects, the relay K negative input ends 2 are also sequentially connected in series third diode D300, the 4th diode D400；The first control electricity
The 4th diode D400 cathodes on road are connect with the first output terminals A of the drive signal, and the 4th 2 of the second control circuit the
Pole pipe D400 cathodes are connect with the second output terminal A ' of drive signal described in same group.
5. a kind of cable core Insulation Inspection System according to claim 1, it is characterised in that：The detectable voltage signals
Acquisition Circuit includes third transistor VT3 and the 4th triode VT4, and the third transistor VT3 base stages are through the 7th resistance R7,
Six diode D600 are connect with the first collection terminal HV3, and the first collection terminal HV3 is also connect with the 5th diode D500 cathodes,
The 5th diode D500 anodes are connect with the second collection terminal HV4, and the 6th diode D600 anodes are through the 6th resistance R6
It being connect with Voltage stabilizing module output end VDD, the third transistor VT3 emitters are connect with Voltage stabilizing module output end VDD, and described
Three triode VT3 collectors are through the tenth resistance R10 ground connection, and the third transistor VT3 collectors are also through the 9th resistance R9 and the
Four triode VT4 base stages connect, and the 4th triode VT4 collectors connect through the 8th resistance R8 and Voltage stabilizing module output end VDD
It connects, the 4th triode VT4 collectors also connect through eleventh resistor R11 and the first signal input part of signal processing module P27
It connects, the 4th triode VT4 emitters ground connection.
6. a kind of cable core Insulation Inspection System according to claim 1, it is characterised in that：The malfunction coefficient module
Including the 7th light emitting diode D700 and the 8th light emitting diode D800, the 8th light emitting diode D800 anodes are through the 7th hair
Optical diode D700, thirteenth resistor R13 are connect with Voltage stabilizing module output end VDD, the 8th light emitting diode D800 anodes
It is also connect with Voltage stabilizing module output end VDD through the 14th resistance R14, the 7th light emitting diode D700 cathodes and signal processing
The 14th signal output end P26 connections of module, the 8th light emitting diode D800 cathodes and the 5th triode VT5 collectors connect
It connecing, the 5th triode VT5 base stages are connect through twelfth resistor R12 with the 14th signal output end P26 of signal processing module,
The 5th triode VT5 emitters ground connection.
7. a kind of cable core Insulation Inspection System according to claim 1, it is characterised in that：The emergency alarm bell sound module
Including the 6th diode VT6, the 6th diode VT6 collectors are connect with alarm cathode, the alarm anode with it is steady
The VDD connections of die block output end, the alarm anode are also defeated through the 16th resistance R16 and the 15th signal of signal processing module
Outlet P25 connections, the 6th diode VT6 base stages are exported through the 15th resistance R15 and the 15th signal of signal processing module
Hold P25 connections, the 6th diode VT6 emitters ground connection.
8. a kind of cable core Insulation Inspection System according to claim 1, it is characterised in that：The second signal output
Terminal block includes the 9th signal output end P20, the tenth signal output end P21, the 11st signal output end P22, the tenth binary signal
Output end P23 and the 13rd signal output end P24；
The 9th signal output end P20, the tenth signal output end P21, the 11st signal output end P22, the tenth binary signal are defeated
Outlet P23, the 13rd signal output end P24 respectively with the first signal input part 1A of inversed module, second signal input terminal 2A,
Third signal input part 3A, fourth signal input terminal 4A, the 5th signal input part 5A connect one to one, the inversed module
One signal output end 1Y is connect with the 9th signal input part I9 of the first drive module latch, and the inversed module second signal is defeated
Outlet 2Y is connect with the 9th signal input part I9 of the second drive module latch, the inversed module third signal output end 3Y with
Third drive module latch signal input terminal I9 connections, the inversed module fourth signal output end 4Y and the 4th drive module
The I9 connections of latch signal input terminal, the 5th signal output end 5Y of the inversed module and the 5th drive module latch signal are defeated
Enter I9 is held to connect, the ends the inversed module VCC are connect with Voltage stabilizing module output end VDD.
9. a kind of cable core Insulation Inspection System according to claim 1, it is characterised in that：The manual control system
Including time toggle switch, line number toggle switch, emergency stop switch K1, continues to run with switch K2, the first switching switch K3, second cuts
Change switch K4, the first signal output end of the time toggle switch, second signal output end, third signal output end, the 4th
Signal output end, the 5th signal output end and signal processing module second signal input terminal P15, third signal input part P16,
Four signal input part P17, the 5th signal input part P32, the 6th signal input part P35 connect one to one, the time dial-up
Switch 1-5 terminal grounds；
First signal output end of the line number toggle switch, second signal output end, third signal output end, fourth signal are defeated
The 7th signal input part P14 of outlet, the 5th signal output end and signal processing module, the 8th signal input part P13, the 9th signal
Input terminal P12, the tenth signal input part P11, the 11st signal input part P10 connect one to one, the line number toggle switch
1-5 terminal grounds；
The one end the emergency stop switch K1 is connect with the tenth binary signal input terminal P34 of signal processing module, and the emergency stop switch K1 is another
One end is grounded；
The described one end switch K2 that continues to run with is connect with the 13rd signal input part P33 of signal processing module, described to continue to run with
The switch K2 other ends are grounded；
First switching one end switch K3 is connect with the 14th signal input part P36 of signal processing module, first switching
The switch K3 other ends are grounded；
Second switching one end switch K4 is connect with the 15th signal input part P37 of signal processing module, second switching
The switch K4 other ends are grounded.
10. a kind of cable core Insulation Inspection System according to claim 1, it is characterised in that：The power-supply system packet
Power module and Voltage stabilizing module are included, the power module connects through switch button K5, Voltage stabilizing module and the ends signal processing module VCC
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721837357.0U CN207623461U (en) | 2017-12-25 | 2017-12-25 | A kind of cable core Insulation Inspection System |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721837357.0U CN207623461U (en) | 2017-12-25 | 2017-12-25 | A kind of cable core Insulation Inspection System |
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| CN207623461U true CN207623461U (en) | 2018-07-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239548A (en) * | 2018-08-30 | 2019-01-18 | 中国船舶重工集团公司第七〇五研究所 | A kind of equipment and measurement method of rapid survey insulation |
| CN114019419A (en) * | 2021-10-29 | 2022-02-08 | 广西电网有限责任公司崇左供电局 | Insulation detection array type automatic combination device |
| CN115932667A (en) * | 2023-01-09 | 2023-04-07 | 广东氧迪力电气科技有限公司 | Electrical component wiring relation acquisition device and wiring relation detection method |
-
2017
- 2017-12-25 CN CN201721837357.0U patent/CN207623461U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239548A (en) * | 2018-08-30 | 2019-01-18 | 中国船舶重工集团公司第七〇五研究所 | A kind of equipment and measurement method of rapid survey insulation |
| CN114019419A (en) * | 2021-10-29 | 2022-02-08 | 广西电网有限责任公司崇左供电局 | Insulation detection array type automatic combination device |
| CN115932667A (en) * | 2023-01-09 | 2023-04-07 | 广东氧迪力电气科技有限公司 | Electrical component wiring relation acquisition device and wiring relation detection method |
| CN115932667B (en) * | 2023-01-09 | 2024-01-12 | 广东氧迪力电气科技有限公司 | Method for detecting wiring relation of electric components |
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