CN108318766A - Operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting - Google Patents
Operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting Download PDFInfo
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- CN108318766A CN108318766A CN201810293907.XA CN201810293907A CN108318766A CN 108318766 A CN108318766 A CN 108318766A CN 201810293907 A CN201810293907 A CN 201810293907A CN 108318766 A CN108318766 A CN 108318766A
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- power supply
- contactor
- distribution cabinet
- switch
- circuit
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- 238000009826 distribution Methods 0.000 title claims abstract description 265
- 238000012360 testing method Methods 0.000 claims abstract description 75
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 42
- 238000010438 heat treatment Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000012797 qualification Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/008—Testing of electric installations on transport means on air- or spacecraft, railway rolling stock or sea-going vessels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention belongs to test technique automatic fields, propose a kind of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting, including protection module and test module, protection module includes circuit breaker protective circuit and earthed circuit, test module includes adjustable transformer, voltmeter, power supply mode switching switch, test circuit, indicating circuit, first aviation plug and the second aviation plug, external power supply is through circuit breaker protective circuit, adjustable transformer, after power supply mode switching switch, it is connect with the power input of operation vehicle for contact wire AC power distribution cabinet/AC distribution panel by the first aviation plug, test circuit and indicating circuit are connect by the second aviation plug with the A.C. contactor of operation vehicle for contact wire AC power distribution cabinet/AC distribution panel, actuation performance for testing A.C. contactor in operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel and distribution line.The present invention can state of online Imitating AC power distribution cabinet/AC distribution panel when being linked into vehicle, testing result reliability is high, can be widely applied to automatic detection field.
Description
Technical field
The invention belongs to test technique automatic fields, and in particular to one kind being suitable for operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel
Device for fast detecting.
Background technology
Operation vehicle for contact wire has AC electric equipments, the ac power supply methods such as the cold-proof heating mantle of air-conditioning, electric heater, silica gel to have
Three kinds, be generator powered in operation vehicle for contact wire, the storage socket box external power supply positioned at operation vehicle for contact wire side respectively
One power supply, the storage socket box external power supply two positioned at the operation vehicle for contact wire other side are powered, and power supply is made by contact net
Industry vehicle AC power distribution cabinet/AC distribution panel controls and distributes to AC electric equipment.Currently, the detection of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel is
Circuit has been connect at Operation Van scene, fall the later vehicle circuit of vehicle while having been tested, generally existing problems with：
First, it is unfavorable for investigating the position of guilty culprit；Secondly, AC power distribution cabinet/AC distribution panel inner cable is relatively thicker, hard, in addition drivers' cab is grasped
It is narrow to make spatial position in platform, worker's maintenance is extremely difficult；Third, underproof AC power distribution cabinet/AC distribution panel access vehicle circuit are powered
When, it is possible to it causes other parts electric components to damage, extends vehicle debugging cycle.
The original detection mode of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel is after AC power distribution cabinet/AC distribution panel assembling, according to wiring
Figure checks whether wiring is correct, securely one by one, and mutually inspection is completed by operating personnel's self-test, class monitor and group leader.This method can check wiring
Correctness, but check that efficiency is low, there are still the possibilities of mistake, and for electrical member in operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel
The performance of device can not judge whether qualification.
Therefore, it is necessary to design a kind of device for fast detecting of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel, it is ensured that AC power distribution cabinet/AC distribution panel
Be installed in engineering working vehicle again after wiring qualification, with solve current operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel school line accuracy rate it is low,
Difficulty big problem is overhauled when breaking down.
Invention content
The present invention overcomes the shortcomings of the prior art, technical problem to be solved to be：A kind of contact net operation is provided
Vehicle AC power distribution cabinet/AC distribution panel device for fast detecting can make up to carrying out detecting under fast and accurately line before AC power distribution cabinet/AC distribution panel entrucking
Original inspection method efficiency is low, can not detect the defect of electric components performance, accomplish can it is online under ensure AC power distribution cabinet/AC distribution panel
Qualification refills vehicle access vehicle line.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of operation vehicle for contact wire's AC distribution
Cabinet device for fast detecting, including protection module and test module, the protection module include circuit breaker protective circuit and ground connection electricity
Road, the test module include adjustable transformer, voltmeter, power supply mode switching switch, test circuit, indicating circuit, first
Aviation plug and the second aviation plug, external power supply is through circuit breaker protective circuit, adjustable transformer, power supply mode switching switch
Afterwards, it is connect with the power input of operation vehicle for contact wire AC power distribution cabinet/AC distribution panel by first aviation plug, the test circuit
It is connect with the A.C. contactor of operation vehicle for contact wire AC power distribution cabinet/AC distribution panel by the second aviation plug with indicating circuit, is connect for testing
External power supply power supply A.C. contactor KJ1, generator powered A.C. contactor KJ2, electric heating in contact network operation car AC power distribution cabinet/AC distribution panel
The actuation of gas electricity consumption A.C. contactor KJ3, the voltmeter are used to measure the output voltage of adjustable transformer.
The test circuit includes the first relay KJ10, the second relay KJ11, the first start button switch SQ1, the
Two start button switch SQ2, heating test switch S, stop button switch ST, the indicating circuit includes the first indicator light L1,
Second indicator light L2, third indicator light L3, the 4th indicator light L4, the first conducting wire, the second conducting wire；
The input terminal of power supply mode switching switch is connect with the output end of adjustable transformer 4, and the first output end is through the first relay
It is connect with first aviation plug after the normally opened contact of KJ10, second output terminal is after the normally opened contact of the second relay KJ11
It is connect with first aviation plug, the first relay KJ10 and the second relay KJ11 are connected to power supply mode and cut
It changes between the first output end of switch and ground between the second output terminal and ground for switching switch 6 with power supply mode, power supply mode is cut
The third output end for changing switch is directly connect with the first aviation plug；
First start button switch SQ1 is connected in parallel on the both ends normally opened contact KJ1-2 of external power supply supply and AC contactor KJ1, the
Two start button switch SQ2 are connected in parallel on the both ends normally opened contact KJ2-2 of generator powered A.C. contactor KJ2；Stop button is opened
Normally-closed contact KJ2-3, external power supply supply and AC contactor in generator powered A.C. contactor KJ2 is arranged in the one end for closing ST
Between the normally-closed contact KJ1-3 of KJ1, other end ground connection；One end of heating test switch S and operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel
Voltage output end connection, the other end is grounded after electric heater electricity consumption A.C. contactor KJ3；
First indicator light L1 is connected in parallel on power distribution cabinet external power supply supply and AC after connecting with the normally opened contact of the first relay KJ10
The both ends of contactor KJ1, the second indicator light L2 are connected in parallel on power distribution cabinet after connecting with the normally opened contact of the second relay KJ11
The both ends of external power supply supply and AC contactor KJ1, third indicator light L3 are connected in parallel on power distribution cabinet generator powered A.C. contactor
The both ends of KJ2；One end of 4th indicator light L4 is grounded, and the U phases of the other end and electric heater electricity consumption A.C. contactor KJ3 main contacts are defeated
Outlet connects, and one end of first conducting wire is connect with the U phase input terminals of electric heater electricity consumption A.C. contactor KJ3 main contacts, separately
One end is connect with the V phase output terminals of electric heater electricity consumption A.C. contactor KJ3 main contacts, one end of second conducting wire and electric heater
The V phase input terminals of electricity consumption A.C. contactor KJ3 main contacts connect, the other end and electric heater electricity consumption A.C. contactor KJ3 main contacts
W phase output terminals connection.
A kind of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting, further includes shell, is set on the shell
Be equipped with panel, the voltmeter, power supply mode switching switch, the first start button switch SQ1, the second start button switch SQ2,
Heating test switch S, stop button switch ST, the first indicator light L1, the second indicator light L2, third indicator light L3, the 4th instruction
Lamp L4 is arranged on panel.
The test module further includes that exchange turns direct-current switch power supply, red-black test pencil and acousto-optic buzzer, external power supply warp
The input terminal for turning direct-current switch power supply after circuit breaker protective circuit, adjustable transformer with exchange is connect, and exchange turns dc switch electricity
The output cathode in source is sequentially connected acousto-optic buzzer and red test pencil, and the output negative pole that exchange turns direct-current switch power supply connects black table
Pen.
The present invention has the advantages that compared with prior art：
1, a kind of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting proposed by the present invention is matched by the exchange of online Imitating
Electric cabinet is linked into state when vehicle, including generator and external power supply power supply, by the control on operation vehicle for contact wire's operation console
It is partially integrated into AC power distribution cabinet/AC distribution panel device for fast detecting, black box verification method can be used to do testing experiment to lower online,
By observing LED status in operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting, voltmeter registration, relay being listened to inhale
The sound of conjunction and etc., judge whether AC power distribution cabinet/AC distribution panel is qualified, testing result reliability is high.
There is the problems such as wiring error or electric components are damaged when if 2, AC power distribution cabinet/AC distribution panel making, can find in time,
And overhauled in operating room, it realizes and is detected under the line of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel, it is ensured that detection qualification accesses whole again
Fare road reduces AC power distribution cabinet/AC distribution panel repair rate, reduces the maintenance difficulty of worker, shorten the debugging cycle of operation vehicle for contact wire, carry
High vehicle qualification rate.
Description of the drawings
Fig. 1 is the structural schematic diagram of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting of the present invention；
Fig. 2 is the electrical block diagram of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting of the present invention；
Fig. 3 is the connection of the test circuit and indicating circuit of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting of the present invention
Schematic diagram；
Fig. 4 is operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting panel schematic diagram of the present invention；
In figure：1. 2. AC power distribution cabinet/AC distribution panel device for fast detecting power supply of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting is inserted
5. voltmeter of first 3. circuit breaker protective circuit, 4. adjustable transformer, 6. power supply mode switches 7. test circuit 8. of switch
The exchange of indicating circuit 9. turns 11. acousto-optic buzzer of the red-black test pencil of direct-current switch power supply 10., 12. earthed circuit 13. the
One 14. second aviation plug of aviation plug, 15. external power supply one power supply 16. external power supplys two, 17. generators of power supply
18. operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel, 19. AC power distribution cabinet/AC distribution panel external power supply power supply protection circuit 20. of powering exchange is matched
Electric cabinet generator powered protects 21. AC power distribution cabinet/AC distribution panel external power supply supply and AC contactor of circuit, 22. AC power distribution cabinet/AC distribution panel hair
23. AC power distribution cabinet/AC distribution panel total power switch of motor supply and AC contactor, 24. AC power distribution cabinet/AC distribution panel electric heater electricity protection circuit
25. 26. AC power distribution cabinet/AC distribution panel electric heater electricity consumption A.C. contactor 27. of AC power distribution cabinet/AC distribution panel total power switch earth leakage protective device is each
Electrical equipment protects 28. AC power distribution cabinet/AC distribution panel of circuit and the external interface 29. of electrical equipment to be cold-pressed the " hair of insulated terminal 30.
Motor " the green indicator light 31. " " external two " green indicator light 33. " heating instruction " of external one " green indicator light 32.
Red indicating light 34. " stops " 36. " external " the green button 37. of red button 35. " generator " the green button, and " electricity adds
42. second conducting wire of heat " 38. test module of rotary switch, 40. protection module, 41. first conducting wire.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described, it is clear that described embodiment be the present invention a part of the embodiment, without
It is whole embodiment；Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
The every other embodiment obtained is put, shall fall within the protection scope of the present invention.
A kind of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting proposed by the present invention, it is right with black box verification method
It carries out detecting under fast and accurately line before AC power distribution cabinet/AC distribution panel entrucking, for wiring correctness and the electrical member of AC power distribution cabinet/AC distribution panel
The performance of device is tested, it is ensured that AC power distribution cabinet/AC distribution panel qualification accesses vehicle circuit again.As shown in Figure 1, the detection device 1 is wrapped
Protection module 40 and test module 38 are included, as shown in Fig. 2, the protection module 40 includes by small-sized disconnected with creepage protection function
The circuit breaker protective circuit 3 and earthed circuit 12 of road device composition, the test module 38 include adjustable transformer 4, voltmeter 5,
Power supply mode switches switch 6, test circuit 7, indicating circuit 8, the first aviation plug 13 and the second aviation plug 14, external power supply
Enter the device for fast detecting of the present invention by attaching plug 2, then through circuit breaker protective circuit 3, adjustable transformer 4, power supply
After mode switches switch 6, is exported by first aviation plug 13, be then input to by the external interface of AC power distribution cabinet/AC distribution panel 28
The power input of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel, the test circuit 7 and indicating circuit 8 pass through the second aviation plug 14
And the external interface 28 of AC power distribution cabinet/AC distribution panel is connect with the A.C. contactor of operation vehicle for contact wire AC power distribution cabinet/AC distribution panel, the test electricity
Road 7 and indicating circuit 8 are for testing external power supply power supply A.C. contactor KJ1 in operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel, power generation
The actuation of machine supply and AC contactor KJ2, electric heater electricity consumption A.C. contactor KJ3, the voltmeter is for measuring pressure regulation transformation
The output voltage of device.Wherein, the first aviation plug 13 is four core aviation plugs, and the second aviation plug 14 is 10 core aviation plugs.
Further, as shown in figure 3, the test circuit 7 includes the first relay KJ10, the second relay KJ11, the
One start button switch SQ1, the second start button switch SQ2, heating test switch S, stop button switch ST, the instruction electricity
Road 8 includes the first indicator light L1, the second indicator light L2, third indicator light L3, the 4th indicator light L4, the first conducting wire, the second conducting wire；
Power supply mode switching switch 6 input terminal connect with the output end of adjustable transformer 4, the first output end SA1 through first after
It is connect with first aviation plug 13 after the normally opened contact of electric appliance KJ10, second output terminal SA2 is through the second relay KJ11's
It is connect with first aviation plug 13 after normally opened contact, the first relay KJ10 and the second relay KJ11 are separately connected
Switch the second output terminal and ground of switch 6 with power supply mode between the first output end and ground that power supply mode switches switch 6
Between, the third output end SA3 of power supply mode switching switch 6 is directly connect with the first aviation plug 13；
As shown in figure 3, in AC power distribution cabinet/AC distribution panel, the input terminal of the main contacts KJ1-1 of external power supply supply and AC contactor KJ1 connects
Power supply, output end is through fuse FU2, the normally opened contact KJ1-2 of external power supply supply and AC contactor KJ1, external power supply power supply
A.C. contactor KJ1, the normally-closed contact KJ2-3 of generator powered A.C. contactor KJ2, external power supply supply and AC contactor
After the normally-closed contact KJ1-3 of KJ1, generator powered A.C. contactor KJ2, fuse F1 with generator powered A.C. contactor
The output end of the main contacts KJ2-1 of KJ1 connects；In test circuit 7, the first start button switch SQ1 is connected in parallel on external power supply confession
The both ends normally opened contact KJ1-2 of electric A.C. contactor KJ1, the second start button switch SQ2 are connected in parallel on generator powered exchange and connect
The both ends normally opened contact KJ2-2 of tentaculum KJ2；One end of stop button switch ST is arranged in generator powered A.C. contactor KJ2
Normally-closed contact KJ2-3, external power supply supply and AC contactor KJ1 normally-closed contact KJ1-3 between, the other end ground connection；Heating
One end of test switch S is connect with the voltage output end of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel, and the other end is handed over through electric heater electricity consumption
It is grounded after stream contactor KJ3；
First indicator light L1 is connected in parallel on external power supply supply and AC contactor after connecting with the normally opened contact of the first relay KJ10
The both ends of KJ1, the second indicator light L2 are connected in parallel on external power supply power supply after connecting with the normally opened contact of the second relay KJ11
The both ends of A.C. contactor KJ1, third indicator light L3 are connected in parallel on the both ends of generator powered A.C. contactor KJ2；4th instruction
One end of lamp L4 is grounded, and the other end is connect with the U phase output terminals of electric heater electricity consumption A.C. contactor KJ3 main contacts, and described first
One end of conducting wire 41 is connect with the U phase input terminals of electric heater electricity consumption A.C. contactor KJ3 main contacts, the other end and electric heater electricity consumption
The V phase output terminals of A.C. contactor KJ3 main contacts connect, one end and the electric heater electricity consumption A.C. contactor of second conducting wire 42
The V phase input terminals of KJ3 main contacts connect, and the W phase output terminals of the other end and electric heater electricity consumption A.C. contactor KJ3 main contacts connect
It connects.
The present invention is state when online Imitating AC power distribution cabinet/AC distribution panel is linked into vehicle circuit, including generator, external electricity
Source one and external power supply two are powered, and the control section on operation vehicle for contact wire's operation console is integrated into AC power distribution cabinet/AC distribution panel and is quickly detected
In device, to use black box verification method, operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel 18 is regarded into a black box, tests AC distribution
The wiring of cabinet and electric components performance.As shown in Fig. 2, operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel 18 is by the external electricity of AC power distribution cabinet/AC distribution panel
Source power supply protection circuit 19, AC power distribution cabinet/AC distribution panel generator powered protection circuit 20, AC power distribution cabinet/AC distribution panel external power supply supply and AC connect
Tentaculum 21, AC power distribution cabinet/AC distribution panel generator powered A.C. contactor 22, AC power distribution cabinet/AC distribution panel total power switch 23, AC power distribution cabinet/AC distribution panel electric heating
Gas electricity protection circuit 24, AC power distribution cabinet/AC distribution panel total power switch earth leakage protective device 25, AC power distribution cabinet/AC distribution panel electric heater electricity consumption exchange connect
The composition of external interface 28 of tentaculum 26, each electrical equipment protection circuit 27, AC power distribution cabinet/AC distribution panel and electrical equipment.Pass through power supply mode
Switch power supply mode of the switching of switch 6 to operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel 18, contact net operation is detected by test circuit 7
Each circuit in vehicle AC power distribution cabinet/AC distribution panel 18 observes the indicator light in AC power distribution cabinet/AC distribution panel device for fast detecting indicating circuit 8, judges phase
Whether the circuit answered is connected, and tests contactor actuation in operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel 18 by adjustable transformer 4 and breaks
The reliability opened.
Operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting 1 is by AC power distribution cabinet/AC distribution panel device for fast detecting attaching plug 2
220V alternating currents are accessed, circuit is protected by the AC power distribution cabinet/AC distribution panel device for fast detecting that the breaker with creepage protection function forms
3 switch and protection as operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting 1, protection operation vehicle for contact wire AC distribution
Cabinet device for fast detecting 1 and the personal safety for protecting operator.
Power supply mode switches the rotation of switch 6 to external power supply one, and the power supply of external power supply one 15 powers on, simulating contact net
The circuit of Operation Van's external power supply one.Power supply mode switches the rotation of switch 6 to external power supply two, and the power supply of external power supply two 16 is connected
Power supply, the circuit of simulating contact net Operation Van external power supply two.Power supply mode switches the rotation of switch 6 to generator, and generator supplies
Electricity 17 powers on, the circuit of generator powered in simulating contact net Operation Van.AC power distribution cabinet/AC distribution panel device for fast detecting test electricity
To the control circuit of AC electric equipment on 7 simulated operation platform of road, the indicating circuit on 8 simulated operation platform of indicating circuit works as line
When road is connected, corresponding indicator light is bright.Generator rated output voltage is 220V, and there are about ± 10% fluctuations for maximum in real work
Range；There are about ± 10% fluctuation ranges for external power supply power voltage supply maximum, therefore A.C. contactor need to be in scope range of the fluctuation of voltage
It is reliable to be attracted, voltage is transferred to 190V and 260V with adjustable transformer 4, tests electricity in AC power distribution cabinet/AC distribution panel device for fast detecting respectively
The AC power distribution cabinet/AC distribution panel external power supply supply and AC contactor 21 in operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel 18, exchange are matched in road 7
The property of electric cabinet generator powered A.C. contactor 22, AC power distribution cabinet/AC distribution panel electric heater electricity consumption 26 3 A.C. contactors of A.C. contactor
It can be tested.
As shown in figure 4, a kind of panel signal of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting for the present invention
Figure, breaker 3 and voltmeter 5 are arranged on panel, and power supply mode switching switch 6 turns on pass for ten thousand, when power supply mode switching is opened
When closing 6 rotations to " generator ", the third output end for being equivalent to power supply mode switching switch 6 is connected, and generator powered mistake is simulated
Journey can test the actuation reliability of generator powered A.C. contactor KJ2, when rotation is to " external one " is " external
When two ", the first or second output end for being equivalent to power supply mode switching switch 6 is connected, and simulating external access power supply process can be external
The actuation reliability for meeting power supply power supply A.C. contactor KJ1 is tested, and " stopping " red button switch 34 corresponds to stop button
Switch ST, " generator " the green button switch 35 correspond to the second start button switch SQ2,36 pairs of " external " the green button switch
Heating test switch S, " generator " green indicator light should be corresponded in the first starting switch SQ1, " electrical heating " rotary switch 37
30 correspond to third indicator light L3, and " external one " green indicator light 31 corresponds to the first indicator light L1, " external two " green instruction
Lamp 32 corresponds to the second indicator light L2, and " heating instruction " red indicating light 33 corresponds to the 4th indicator light L4.
The use process of the present invention is described below.
Preparation before test：AC power distribution cabinet/AC distribution panel device for fast detecting earthed circuit 12 is grounded.First by the first aviation plug
13, the second aviation plug 14 is pulled up from operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting 1, by the first aviation plug
13, the outlet of the second aviation plug 14 corresponds to the exchange of the corresponding wire size of 29 incoming transport power distribution cabinet of cold pressing insulated terminal of wire size and matches
On the external interface 28 of electric cabinet and electrical equipment, then the first aviation plug 13, the second aviation plug 14 are turned back into contact net and made
On industry vehicle AC power distribution cabinet/AC distribution panel device for fast detecting 1.Confirm that the breaker in AC power distribution cabinet/AC distribution panel device for fast detecting protection circuit 3 is dialled
It is threaded to " stopping " position to the position " ON ", power supply mode switching switch 6.All breakers in operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel 18 are dialled
To the position " ON ".AC power distribution cabinet/AC distribution panel device for fast detecting attaching plug 2 is connected into alternating current 220V power supply at this time, confirms voltage list index
It points near 220V, and pays attention to the variation of voltmeter during the test.This regulation is strictly pressed before test to execute, and is avoided because of operation
It is improper dangerous caused by operating personnel.
Test process：（1）Power supply mode switching switch 6 is threaded to " generator " position, " generator " the green button is pressed and opens
35,30 Ying Liang of " generator " green indicator light are closed, presses " stopping " red button 34, " generator " green indicator light 30 should extinguish；
Adjustable transformer 4 is rotated, voltmeter 5 is observed, supply voltage is turned up by 220V to 260V, " generator " the green button is pressed
35,30 Ying Liang of " generator " green indicator light, press " stopping " red button 34, and " generator " green indicator light 30 should extinguish；Rotation
Modulation pressure transformer 4 observes voltmeter 5, supply voltage is turned down by 220V to 190V, " generator " the green button 35 is pressed,
30 Ying Liang of " generator " green indicator light presses " stopping " red button 34, and " generator " green indicator light 30 should extinguish, and confirms and hands over
Stream power distribution cabinet generator powered A.C. contactor 22 reliably can be attracted and unclamp within the scope of mains ripple.Power supply mode
Switching switch 6 is maintained at " generator " position, and " electrical heating " rotary switch 37 is opened, and " heating instruction " red indicating light 33 is answered
It is bright, " electrical heating " rotary switch 37 is closed, " heating instruction " red indicating light 33 should extinguish；Rotate adjustable transformer 4, observation
Voltmeter 5 is turned up by 220V to 260V by supply voltage, and " electrical heating " rotary switch 37 is opened, and " heating instruction " red refers to
Show 33 Ying Liang of lamp, " electrical heating " rotary switch 37 is closed, " heating instruction " red indicating light 33 should extinguish；Rotate pressure regulation transformation
Device 4 observes voltmeter 5, supply voltage is turned down by 220V to 190V, " electrical heating " rotary switch 37 is opened, " heating refers to
Show " 33 Ying Liang of red indicating light, " electrical heating " rotary switch 37 is closed, " heating instruction " red indicating light 33 should extinguish, really
Recognizing AC power distribution cabinet/AC distribution panel electric heater electricity consumption A.C. contactor 26 reliably can be attracted and unclamp within the scope of mains ripple.It presses
Power supply mode switching switch 6 is restored " stopping " position by " stopping " red button 34.
（2）Power supply mode switching switch 6 is threaded to that " " external " the green button 36 is pressed in external one " position, and " external one " is green
31 Ying Liang of color indicator light presses " stopping " red button 34, and " external one " green indicator light 31 should extinguish；Adjustable transformer 4 is rotated,
Voltmeter 5 is observed, supply voltage is turned up by 220V to 260V, " external " the green button 36 is pressed, " external one " green instruction
31 Ying Liang of lamp presses " stopping " red button 34, and " external one " green indicator light 31 should extinguish；Rotate adjustable transformer 4, observation electricity
Table 5 is pressed, supply voltage is turned down by 220V to 190V, " external " the green button 36 is pressed, " external one " green indicator light 31 is answered
It is bright, " stopping " red button 34 is pressed, " external one " green indicator light 31 should extinguish, and confirm that the power supply of AC power distribution cabinet/AC distribution panel external power supply is handed over
Stream contactor 21 reliably can be attracted and unclamp within the scope of mains ripple." stopping " red button 34 is pressed, by supplier of electricity
Formula switches switch 6 and restores " stopping " position.
（3）Power supply mode switching switch 6 is threaded to that " " external " the green button 36 is pressed in external two " position, and " external two " are green
32 Ying Liang of color indicator light." stopping " red button 34 is pressed, " external two " green indicator light 32 should extinguish.Press " stopping " red button
34, power supply mode switching switch 6 is restored into " stopping " position.
Test terminates：2 deenergization of AC power distribution cabinet/AC distribution panel device for fast detecting attaching plug is pulled up, by circuit breaker protective circuit
3 breaker is allocated to " OFF ", pulls up 4 core aviation plugs 13,10 core aviation plugs 14, disconnects operation vehicle for contact wire's AC distribution
Line between cabinet device for fast detecting 1 and operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel 18.It pulls up and matches operation vehicle for contact wire's exchange
Breaker in electric cabinet 18 is all allocated to " OFF ".Repairing experiment records.
Further, a kind of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting proposed by the present invention, test module
Further include that exchange turns direct-current switch power supply 9, red-black test pencil 10 and acousto-optic buzzer 11 in 38, external power supply is protected electric through breaker
The input terminal for turning direct-current switch power supply 9 after road 3, adjustable transformer 4 with exchange is connect, and exchange turns the output of direct-current switch power supply 9
Anode is sequentially connected acousto-optic buzzer 11 and red test pencil, and exchange turns the output negative pole connection black meter pen of direct-current switch power supply 9.Exchange
220V mains supplies access operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting 1 of the present invention by attaching plug 2, pass through
Alternating current 220V turns direct current 24V Switching Power Supplies 9 and is converted to 11 power supply of 24V direct currents supply acousto-optic buzzer.Hot black meter pen 10 it
Between circuit connect, 11 sound of acousto-optic buzzer and bright；Circuit disconnects between hot black meter pen 10, and acousto-optic buzzer 11 is not rung not yet
It is bright, i.e., the buzzer shelves function in multimeter is integrated in operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting 1, it is convenient
Operating personnel's test circuit.
Therefore, the present invention can power to AC power distribution cabinet/AC distribution panel external power supply by red-black test pencil and acousto-optic buzzer 11
Protect circuit 19, AC power distribution cabinet/AC distribution panel generator powered protection circuit 20, AC power distribution cabinet/AC distribution panel total power switch 23, AC power distribution cabinet/AC distribution panel electricity
The break-make performance of breaker is tested in heating electricity protection circuit 24, each electrical equipment protection circuit 27.
The specific test method is as follows：Turn off the open circuit in circuit breaker protective circuit 3 in AC power distribution cabinet/AC distribution panel device for fast detecting
Device pulls up AC power distribution cabinet/AC distribution panel device for fast detecting attaching plug 2, disconnects operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting
Line between 1 and operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel 18.Then plug in plug 2, is matched with the detection exchange of red-black test pencil 4
Electric cabinet external power supply power supply protection circuit 19, AC power distribution cabinet/AC distribution panel generator powered protection circuit 20, AC power distribution cabinet/AC distribution panel general supply are opened
The break-make performance for closing breaker in 23, AC power distribution cabinet/AC distribution panel electric heater electricity protection circuit 24, each electrical equipment protection circuit 27, breaks
When road device is allocated to " ON ", buzzer is rung, and when breaker is allocated to " OFF ", buzzer is not rung.If phenomenon is not met in test process
State description, with red-black test pencil 10, acousto-optic buzzer 11 check corresponding device whether effectively or corresponding device at wiring it is whether correct.
In addition, the test device of the present invention is in use, it is also necessary to test the performance of circuit breaker protective circuit 3, insert
The attaching plug 2 of upper device for fast detecting powers on, and by the present invention connect with AC power distribution cabinet/AC distribution panel after the completion of, press exchange and match
Leakage tests button on electric cabinet total power switch earth leakage protective device 25, at this time the breaker in circuit breaker protective circuit 3 should stand
I.e. automatic disconnect is cut off the power, voltmeter registration back to zero position.It is monthly once tested, to ensure that test AC power distribution cabinet/AC distribution panel is quick
Detection device protects circuit 3 effective, can complete open circuit and creepage protection function, it is ensured that operating personnel's personal safety.
A kind of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting of the present invention, online Imitating AC power distribution cabinet/AC distribution panel connect
State when entering to vehicle, including generator and external power supply power supply, by the control unit diversity on operation vehicle for contact wire's operation console
At in AC power distribution cabinet/AC distribution panel device for fast detecting, black box verification method can be used to do testing experiment to lower online.Pass through sight
Examine LED status in operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting, voltmeter registration, the sound for listening relay to be attracted
Sound and etc., judge whether AC power distribution cabinet/AC distribution panel is qualified, and fill in test data sheet.If AC power distribution cabinet/AC distribution panel has wiring error when making
Or the problems such as electric components damage, it can find in time, and overhauled in operating room.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (4)
1. a kind of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting, which is characterized in that including protection module and test mould
Block, the protection module include circuit breaker protective circuit and earthed circuit, and the test module includes adjustable transformer, voltage
Table, power supply mode switching switch, test circuit, indicating circuit, the first aviation plug and the second aviation plug, external power supply is through disconnected
After road device protection circuit, adjustable transformer, power supply mode switching switch, pass through first aviation plug and operation vehicle for contact wire
The power input of AC power distribution cabinet/AC distribution panel connects, and the test circuit and indicating circuit pass through the second aviation plug and contact net operation
The A.C. contactor of vehicle AC power distribution cabinet/AC distribution panel connects, for testing external power supply power supply exchange in operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel
The actuation of contactor KJ1, generator powered A.C. contactor KJ2, electric heater electricity consumption A.C. contactor KJ3, the voltmeter are used
In the output voltage for measuring adjustable transformer.
2. a kind of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting according to claim 1, which is characterized in that institute
It includes the first relay KJ10, the second relay KJ11, the first start button switch SQ1, the second start button to state test circuit
Switch SQ2, heating test switch S, stop button switch ST, the indicating circuit includes the first indicator light L1, the second indicator light
L2, third indicator light L3, the 4th indicator light L4, the first conducting wire, the second conducting wire；
The input terminal of power supply mode switching switch and the output end of adjustable transformer connect, and the first output end is through the first relay
It is connect with first aviation plug after the normally opened contact of KJ10, second output terminal is after the normally opened contact of the second relay KJ11
It is connect with first aviation plug, the first relay KJ10 and the second relay KJ11 are connected to power supply mode and cut
It changes between the first output end of switch and ground so that between the second output terminal and ground of power supply mode switching switch, power supply mode switches
The third output end of switch is directly connect with the first aviation plug；
First start button switch SQ1 is connected in parallel on the both ends normally opened contact KJ1-2 of external power supply supply and AC contactor KJ1, the
Two start button switch SQ2 are connected in parallel on the both ends normally opened contact KJ2-2 of generator powered A.C. contactor KJ2；Stop button is opened
Normally-closed contact KJ2-3, external power supply supply and AC contactor in generator powered A.C. contactor KJ2 is arranged in the one end for closing ST
Between the normally-closed contact KJ1-3 of KJ1, other end ground connection；One end of heating test switch S and operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel
Voltage output end connection, the other end is grounded after electric heater electricity consumption A.C. contactor KJ3；
First indicator light L1 is connected in parallel on power distribution cabinet external power supply supply and AC after connecting with the normally opened contact of the first relay KJ10
The both ends of contactor KJ1, the second indicator light L2 are connected in parallel on power distribution cabinet after connecting with the normally opened contact of the second relay KJ11
The both ends of external power supply supply and AC contactor KJ1, third indicator light L3 are connected in parallel on power distribution cabinet generator powered A.C. contactor
The both ends of KJ2；One end of 4th indicator light L4 is grounded, and the U phases of the other end and electric heater electricity consumption A.C. contactor KJ3 main contacts are defeated
Outlet connects, and one end of first conducting wire is connect with the U phase input terminals of electric heater electricity consumption A.C. contactor KJ3 main contacts, separately
One end is connect with the V phase output terminals of electric heater electricity consumption A.C. contactor KJ3 main contacts, one end of second conducting wire and electric heater
The V phase input terminals of electricity consumption A.C. contactor KJ3 main contacts connect, the other end and electric heater electricity consumption A.C. contactor KJ3 main contacts
W phase output terminals connection.
3. a kind of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting according to claim 2, which is characterized in that also
Including shell, panel, the voltmeter, power supply mode switching switch, the first start button switch are provided on the shell
SQ1, the second start button switch SQ2, heating test switch S, stop button switch ST, the first indicator light L1, the second indicator light
L2, third indicator light L3, the 4th indicator light L4 are arranged on panel.
4. a kind of operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting according to claim 1, which is characterized in that institute
It further includes that exchange turns direct-current switch power supply, red-black test pencil and acousto-optic buzzer, external power supply and protected through breaker to state test module
The input terminal for turning direct-current switch power supply after circuit, adjustable transformer with exchange is connect, and exchange is turning the output of direct-current switch power supply just
Pole is sequentially connected acousto-optic buzzer and red test pencil, and exchange turns the output negative pole connection black meter pen of direct-current switch power supply.
Priority Applications (1)
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| CN201810293907.XA CN108318766B (en) | 2018-03-30 | 2018-03-30 | Quick detection device for alternating-current power distribution cabinet of contact net operation vehicle |
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|---|---|---|---|
| CN201810293907.XA CN108318766B (en) | 2018-03-30 | 2018-03-30 | Quick detection device for alternating-current power distribution cabinet of contact net operation vehicle |
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| CN108318766B CN108318766B (en) | 2024-02-27 |
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| CN109445337A (en) * | 2018-10-31 | 2019-03-08 | 珠海格力电器股份有限公司 | Port protection circuit and its control method, control circuit, device and system |
| CN111060759A (en) * | 2019-12-13 | 2020-04-24 | 北京百度网讯科技有限公司 | Power distribution cabinet test system and test method |
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