CN107144747A - Arc fault protector combined test stand - Google Patents

Arc fault protector combined test stand Download PDF

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Publication number
CN107144747A
CN107144747A CN201710353359.0A CN201710353359A CN107144747A CN 107144747 A CN107144747 A CN 107144747A CN 201710353359 A CN201710353359 A CN 201710353359A CN 107144747 A CN107144747 A CN 107144747A
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China
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switch
branch road
arc
test
branch
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CN201710353359.0A
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CN107144747B (en
Inventor
谢于华
陈存
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Edidi Electric (suzhou) Co Ltd
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Edidi Electric (suzhou) Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

Abstract

The present invention relates to arc fault protector technical field of measurement and test, more particularly to a kind of arc fault protector combined test stand, including testboard body, fault electric arc generator and test circuit, testboard body includes upper box body and the lower part box with operating table surface, fault electric arc generator is installed on inside upper box body, test circuit is installed on inside upper box body and lower part box, the upper box body front left side is provided with observation window, the right is provided with control panel one, operating table surface is provided with control panel two and arc fault protector placement rack to be measured, lower part box front is provided with cabinet door, lower part box bottom corner is provided with roller, operating table surface is made up of epoxy resins insulation plate, test circuit includes fault electric arc current source module, testboard control module, switching control module and power module.Simple in construction, production cost of the invention is low, it is adaptable to which arc fault protector manufacturing enterprise is detected in research and development and production process to arc fault protector according to national standard.

Description

Arc fault protector combined test stand
Technical field
Integrate and survey the present invention relates to arc fault protector technical field of measurement and test, more particularly to a kind of arc fault protector Test stand.
Background technology
With the rapid development of the national economy, the substantial increase of industrial and civilian power consumption, the electric elements brought therewith and Electric leakage that conducting wire is triggered, contact loosen, electric equipment aging causes the failures such as puncture short, result in substantial amounts of electrical equipment Fire incident occurs.In order to preferably prevent trouble before it happens, prevent because arc fault triggers fire incident.National quality supervision and inspection Quarantine general bureau and the joint issue of national standardization administration committee《GB14287.4-2014》With《GB/T31143-2014》Standard, The product requirements such as arc fault protector (abbreviation AFDD) must be detected and implemented on 04 01st, 2015.Current state The interior test equipment for arc fault protector product, in addition to national CCC authentication centers possess, other relevant units and enterprise The basic test equipment without standard.National CCC authentication centers have developed a set of energy on the basis of with reference to external introducing equipment Meet the large scale equipment of Related product test request, but the core technology not external disclosure, and the test equipment of the equipment Tested primarily directed to the product for declaring inspection, be not appropriate for arc fault protector manufacturing enterprise in R & D of complex Used with test is carried out in actual production process, while the set test equipment also haves the shortcomings that to involve great expense.
The content of the invention
For the problems of the prior art, the present invention provides a kind of with low cost, is adapted to arc fault device manufacturing enterprise and exists Fault electric arc (especially simulating the electric arc that associated appliance is produced) is carried out in R & D of complex and actual production process to product The arc fault protector combined test stand of test, inhibition shielding load test and anti-interference load test.
To realize above technical purpose, the technical scheme is that:
A kind of arc fault protector combined test stand, including testboard body, fault electric arc generator and test circuit, The testboard body includes upper box body and the lower part box with operating table surface, and the fault electric arc generator is installed on Portion's box house, the test circuit is installed on inside upper box body and lower part box, and the positive left side of the upper box body is provided with Observation window for observing fault electric arc generator working condition, the right is provided with control panel one, and the operating table surface is provided with Control panel two and arc fault protector placement rack to be measured, the lower part box front are provided with cabinet door, the lower part box bottom Portion corner is provided with roller, and the operating table surface is made up of epoxy resins insulation plate;The test circuit includes fault electric arc electric current Source module, testboard control module, switching control module and power module;The fault electric arc current source module and fault electric arc Generator coordinates a variety of current loadings with fault electric arc for producing and being used for carrying out arc test;The testboard control module Indicated for system power supply working condition, system voltage is indicated and system output current is indicated;The switching control module is used for Control is switched between arc test and shield test reactor and trystate is indicated;The power module is fault current source mould Block, testboard control module and switching control module for power supply;The input of the arc fault protector to be measured respectively with power supply Module is connected with testboard control module, load end respectively with fault electric arc generator, fault electric arc current source module and switching Control module is connected;The control panel one and control panel two are used to control fault electric arc generator, fault electric arc current source Module, testboard control module, switching control module and power module.
Preferably, the power module is made up of AC220V power supplys and secondary switch Q1, the secondary switch Q1 is used for Control power supply whether access be provided with testboard, the control panel two battery main switch corresponding to secondary switch Q1 by Button.
As an improvement, the power module also includes the pressure regulator for being used to adjust AC220V supply voltages, correspondingly in institute State setting pressure regulator knob in the cabinet door of lower part box.
Preferably, the testboard control module include be used for indicate power work state power supply indicator branch road, For indicating the ammeter branch road of system output current and voltmeter branch road for indicating supply voltage, the power supply indicator Branch road, ammeter branch road and voltmeter branch circuit parallel connection, the power supply indicator branch route indicator lamp H1 are constituted, the ammeter branch Routing current Table A is constituted, and the voltmeter branch route voltmeter V is constituted, and is provided with the control panel one corresponding to instruction Lamp H1 incoming power indicator lamp, supply voltage indicator panel and test electric current indicator panel, the supply voltage indicator panel is used to show Show voltmeter V reading, the test electric current indicator panel is used for the reading for showing ammeter A.
Preferably, the stripping and slicing control module includes the switch Q2 with auxiliary contact OF, indicator lamp H2 and indicator lamp H3, Connected after the indicator lamp H2 and indicator lamp H3 are in parallel with auxiliary contact OF, auxiliary contact OF is connected to during the switch Q2 closures Indicator lamp H2 and the connection of shield test reactor test loop, auxiliary contact OF is connected to indicator lamp H3 and electric arc when the switch Q2 is opened Experimental test loop is connected, be provided with the control panel one corresponding to indicator lamp H2 shield test reactor indicator lamp and correspond to The electric arc switching tests switch corresponding to Q2 is provided with indicator lamp H3 arc test indicator lamp, the control panel two.
Preferably, the fault electric arc current source module includes the multiple branch roads for being used to produce a variety of current loading values, All multiple branch roads have a master switch, and each branch road has corresponding branch switch.
Preferably, the fault electric arc current source module includes the tie point for being used to produce incandescent lamp loads, it is used for Produce the second branch road of daylight lamp load, the 3rd branch road for producing halogen lamp load, for produce dust catcher load the Four branch roads, for produce air compressor machine load the 5th branch road, for produce electric drill load the 6th branch road, for produce switch electricity The 7th branch road, the 8th branch road for producing 3A load values, the 9th branch road for producing 5A load values of source load;Switch Q3, electronic light modulator and incandescent lamp tie point in series, switch Q4, ballast and fluorescent lamp the second branch road in series, Q5, ballast and Halogen lamp LED the 3rd branch road in series are switched, Q6 is switched and in series for the socket one for connecting dust catcher 4th branch road, switch Q7 and the 5th branch road in series of socket two for connecting air compressor machine, switch Q8 and electric drill load in series The 6th branch road is constituted, resistance R2 and Switching Power Supply are loaded after parallel connection again with switching Q9 the 7th branch roads in series, switch Q10 and electric Hinder R1 the 8th branch roads in series, switch Q11 and resistance R2 the 9th branch roads in series, the tie point, the second branch road, the After three branch roads, the 4th branch road, the 5th branch road, the 6th branch road, the 7th branch road, the 8th branch road and the 9th branch circuit parallel connection again with master switch Q2 connects;Filament lamp switch, the electronics corresponding to electronic light modulator corresponding to switch Q3 are provided with the control panel two Light-control knob, the switch for fluorescent lamp corresponding to switch Q4, the halogen lamp switch corresponding to switch Q5, the dust suction corresponding to switch Q6 Device switch, the air compressor machine switch corresponding to switch Q7, the electric drill switch corresponding to switch Q8, the Switching Power Supply corresponding to switch Q9 Switch, the 3A testing currents switch corresponding to switch Q10 and the 5A testing currents switch corresponding to switch Q11, the lower tank Body side surface is provided with the dust catcher socket panel corresponding to socket one and the air compressor machine socket panel corresponding to socket two.
As an improvement, the fault electric arc current source module is also including being used for the tenth branch road of EMI experiments, for standby 11st branch road and twelve earthly branches road and the 13rd branch road tested for crosstalk, switch Q12 and socket three the in series tenth Branch road, switch Q13 and the 11st branch road in series of socket four, switch Q14 and the twelve earthly branches road in series of socket five, switch Q15 and the 13rd branch road in series of socket six, the tie point, the second branch road, the 3rd branch road, the 4th branch road, the 5th Road, the 6th branch road, the 7th branch road, the 8th branch road, the 9th branch road, the tenth branch road, the 11st branch road, twelve earthly branches road and the 13rd Branch circuit parallel connection;The EMI experimental tests being provided with the control panel two corresponding to switch Q12 are switched, corresponding to switch Q13's Standby test switch one, the standby test corresponding to switch Q14 switch two and opened corresponding to the crosstalk experimental test for switching Q15 Close, the lower part box side is provided with the EMI testing sockets panel corresponding to socket three, the standby socket corresponding to socket four Panel one, the standby socket panel two of respective socket five and the crosstalk testing socket panel corresponding to socket six.
Move governor motion preferably, the fault electric arc generator includes fixed electrode, traveling electrode, electrode, prolong Stretch shaft fixing device, turn to variable regulating mechanism, fixed electrode fixed seat, traveling electrode fixed seat and insulator foot, it is described solid Fixed electrode and traveling electrode are oppositely arranged, and the fixed electrode is installed on the left side of insulator foot by fixed electrode fixed seat, The traveling electrode moves governor motion with the electrode of insulator foot inner right side by traveling electrode fixed seat and is connected, the electricity Machine moves governor motion and is connected by extending shaft fixing device with turning to variable regulating mechanism, and the steering variable regulating mechanism is used In driving electrodes movement governor motion movement, being correspondingly provided with control panel one is used to control to turn to variable regulating mechanism Arc adjustment knob.
As an improvement, the testboard body interior is also equipped with the fan for radiating, the correspondingly testboard control Molding block also includes the fan branch road for being used to control fan.
From the above, it can be seen that the present invention possesses advantages below:
The present invention produces the fault electric arc of standard using fault electric arc generator, while utilizing fault electric arc current source module A variety of current loadings are produced, a variety of current loadings with fault electric arc are accessed into test product (i.e. arc fault protector), Action to arc fault protector under various current loadings judges, so as to realize the performance to arc fault protector Test, is tried while EMI experimental tests, crosstalk experiment (i.e. anti-interference load test) test and shielding can also be carried out to test product Test (i.e. inhibition shielding load test) test.Arc fault protector combined test stand of the present invention is according to national standard 《GB14287.4-2014》With《GB/T31143-2014》It is designed, circuit structure is simple, and accurate testing is with low cost, fits In in arc fault protector manufacturing enterprise large-scale promotion application.
Brief description of the drawings
Fig. 1 is the positive structure schematic of the present invention;
Fig. 2 is the side structure schematic diagram of the present invention;
Fig. 3 is the fault electric arc generator architecture schematic diagram of the present invention;
Fig. 4 is the electrical block diagram of the present invention;
Fig. 5 is operating table surface structural representation of the present invention.
Embodiment
With reference to Fig. 1 to Fig. 5, the specific embodiment of the present invention is described in detail, but the claim to the present invention is not done It is any to limit.
A kind of arc fault protector combined test stand, including testboard body 1, fault electric arc generator 2 and test electricity Road 3;
Testboard body 1 includes upper box body 11 and the lower part box 12 with operating table surface 13, fault electric arc generator 2 It is installed on inside upper box body 11, test circuit 3 is installed on inside upper box body 11 and lower part box 12, the front of upper box body 11 The left side is provided with the observation window 14 for being used for observing fault electric arc generator working condition, and the right is provided with control panel 1, operating desk Face 13 is provided with control panel 2 16 and arc fault protector AFDD placement racks 17 to be measured, and the front of lower part box 12 is provided with cabinet door 18;
Test circuit 3 includes fault electric arc current source module 31, testboard control module 32, switching control module 33 and electricity Source module 34;Fault electric arc current source module 31 coordinates to produce with fault electric arc generator 2 and is used to carry out having for arc test A variety of current loadings of fault electric arc;Testboard control module 32 is used for the instruction of system power supply working condition, system voltage and indicated Indicated with system output current;Switching control module 33 is used to switch over control between arc test and shield test reactor and tried Test state instruction;Power module 34 is fault current source module 31, testboard control module 32, switching control module 33 are powered; Arc fault protector AFDD to be measured input is connected with power module 34 and testboard control module 32 respectively, load end point It is not connected with shield long arc generator 2, fault electric arc current source module 31 and switching control module 33;Control panel 1 and control Panel 2 16 processed is used to control fault electric arc generator 2, fault electric arc current source module 31, testboard control module 32, switching Control module 33 and power module 34.
The concrete structure of fault electric arc generator 2 is illustrated with reference to Fig. 3.
As shown in figure 3, fault electric arc generator 2 includes fixed electrode 21, traveling electrode 22, electrode movement governor motion 23rd, extension shaft fixing device 24, turn to variable regulating mechanism 25, fixed electrode fixed seat 26, traveling electrode fixed seat 27 and absolutely Edge base 28, fixed electrode 21 and traveling electrode 22 are oppositely arranged, and fixed electrode 21 is installed on by fixed electrode fixed seat 26 The left side of insulator foot 28, traveling electrode 22 is moved by the electrode of traveling electrode fixed seat 27 and the inner right side of insulator foot 28 Governor motion 23 is connected, and electrode moves governor motion 23 by extending shaft fixing device 24 with turning to the phase of variable regulating mechanism 25 Even, turn to variable regulating mechanism 25 to move for driving electrodes movement governor motion 23, correspondingly set on control panel 1 There is the arc adjustment knob 151 for controlling steering variable regulating mechanism.
The electric arc needed for testboard carries out arc test can be produced using fault electric arc generator, is revolved by arc adjustment Button control turns to variable regulating mechanism, so that coordination electrode movement governor motion, which drives traveling electrode to be moved to, can produce electric arc Distance so that the sustained arc needed for obtaining arc test.
The modules of test circuit 3 are described in detail with reference to Fig. 4.
As shown in figure 4, power module 34 is made up of AC220V power supplys and secondary switch Q1, the secondary switch Q1 is used to control Whether power supply processed accesses testboard.
In order to further improve the performance of power module to meet testing requirement, power module 34 also includes being used to adjust The pressure regulator of AC220V supply voltages.
As shown in figure 4, testboard control module 32 includes the power supply indicator branch road for being used to indicate power work state 321st, for indicating the ammeter branch road 322 of system output current and voltmeter branch road 323 for indicating supply voltage, power supply Indicator lamp branch road 321, ammeter branch road 322 and voltmeter branch road 323 are in parallel;Power supply indicator branch route indicator lamp H1 is constituted, Ammeter branch road 322 is made up of ammeter A, and voltmeter branch road 323 is made up of voltmeter V.
As shown in figure 4, stripping and slicing control module 33 includes the switch Q2 with auxiliary contact OF, indicator lamp H2 and indicator lamp H3, Connected after indicator lamp H2 and indicator lamp H3 is in parallel with auxiliary contact OF, auxiliary contact OF is connected to indicator lamp H2 during switch Q2 closures And shield test reactor test loop is connected, auxiliary contact OF is connected to indicator lamp H3 and arc test test loop when switch Q2 is opened Connect.
As shown in figure 4, fault electric arc current source module 31 includes the multiple branch roads for being used to produce a variety of current loading values, institute There are multiple branch roads that there is master switch, each branch road has corresponding branch switch, for example, may be designed as following structure (but not It is limited to following structure, as long as the various current loading values needed for being tested according to Standard can be produced by meeting):
(1) tie point 3101 for being used to produce incandescent lamp loads, the second branch road for producing daylight lamp load are included 3102nd, for producing the 3rd branch road 3103 of halogen lamp load, the 4th branch road 3104 for producing dust catcher load, for producing Give birth to the 5th branch road 3105 of air compressor machine load, the 6th branch road 3106 for producing electric drill load, born for producing Switching Power Supply The 7th branch road 3107, the 8th branch road 3108 for producing 3A load values, the 9th branch road for producing 5A load values carried 3109;
(2) switch Q3, electronic light modulator and incandescent lamp tie point 3102 in series, switch Q4, ballast and daylight Lamp the second branch road 3102 in series, switch Q5, ballast and Halogen lamp LED the 3rd branch road 3103 in series switch Q6 and are used for The 4th branch road 3104 in series of socket one of dust catcher is connected, Q7 is switched and in series for the socket two for connecting air compressor machine 5th branch road 3105, switch Q8 and electric drill load in series constitute the 6th branch road 3106, and resistance R2 and Switching Power Supply are loaded after parallel connection Again with switch Q9 the 7th branch roads 3107 in series, switch Q10 and resistance R1 the 8th branch roads 3108 in series, switch Q11 with Resistance R2 the 9th branch roads 3109 in series;
(3) tie point 3101, the second branch road 3102, the 3rd branch road 3103, the 4th branch road 3104, the 5th branch road 3105, After 6th branch road 3106, the 7th branch road 3107, the 8th branch road 3108 and the parallel connection of the 9th branch road 3109 again with switching control module 33 Switch Q2 series connection.
In order to further expand the applicability of testboard, extension design is done to fault electric arc current source module 31, is specifically set Meter mode is as follows, but is not limited to a kind of following design method:
As shown in figure 4, fault electric arc current source module 31 also includes:For EMI test the tenth branch road 3110, for standby 11st branch road 3111 and twelve earthly branches road 3112, the 13rd branch road 3113 tested for crosstalk, switch Q12 and socket Three the tenth branch roads 3110 in series, switch Q13 and the 11st branch road 3111 in series of socket four, switch Q14 and socket five Twelve earthly branches road 3112 in series, switch Q15 and the 13rd branch road 3113 in series of socket six, tie point 3101, the Two branch roads 3102, the 3rd branch road 3103, the 4th branch road 3104, the 5th branch road 3105, the 6th branch road 3106, the 7th branch road 3107, 8th branch road 3108, the 9th branch road 3109, the tenth branch road 3110, the 11st branch road 3111, twelve earthly branches road 3112 and the 13rd Branch road 3113 is in parallel.
Corresponding to test circuit 3, respective design is done on control panel 1, chain of command 2 16 and lower part box 12, with The modules of test circuit are controlled, are illustrated with reference to Fig. 1, Fig. 2 and Fig. 5, but be not limited to Fig. 1, Fig. 2 and Fig. 5 design side Formula.
As shown in figure 1, being provided with the incoming power indicator lamp 152 corresponding to indicator lamp H1, correspondingly on control panel 1 Shield test reactor indicator lamp 153 in indicator lamp H2, the arc test indicator lamp 154 corresponding to indicator lamp H3, for showing voltage The supply voltage indicator panel 155 of the reading of Table V and for the test electric current indicator panel 156 for the reading for showing ammeter A;
As shown in figure 5, being provided with the battery main switch 1601 corresponding to secondary switch Q1 on control panel two, corresponding to Q2 Electric arc switching tests switch 1602, corresponding to switch Q3 filament lamp switch 1603, corresponding to electronic light modulator electronics adjust Light knob 1604, the switch for fluorescent lamp 1605 corresponding to switch Q4, the halogen lamp switch 1606 corresponding to switch Q5, corresponding to opening Close Q6 dust catcher switch 1607,1608, the electric drill switch 1609 corresponding to switch Q8 is switched corresponding to the air compressor machine for switching Q7, Corresponding to switch Q9 switch 1610, corresponding to switch Q10 3A testing currents switch 1611, corresponding to switch Q11 5A testing currents switch 1612, the EMI experimental tests corresponding to switch Q12 switch 1613, corresponding to the standby of switch Q13 2 1615 are switched with test switch 1, corresponding to switch Q14 standby test and is tested corresponding to the crosstalk for switching Q15 and is surveyed Runin closes 1616;
As depicted in figs. 1 and 2, it is provided for controlling the pressure regulator knob 181 of pressure regulator in the cabinet door 18 of lower part box 12, The side of lower part box 12 is provided with the dust catcher socket panel 182 corresponding to socket one, the air compressor machine socket corresponding to socket two Panel 183, the EMI testing sockets panel 184 corresponding to socket three, the standby socket panel 1 corresponding to socket four, correspondingly The standby socket panel 2 186 of socket five and the crosstalk testing socket panel 187 corresponding to socket six.
The present invention operation principle be:
(1) fault electric arc of standard is produced using fault electric arc generator, while being produced using fault electric arc current source module Raw a variety of current loadings, by the load end of a variety of current loadings access product to be measured with fault electric arc, (i.e. arc fault is protected Protect device), the action to arc fault protector under various current loadings judges, while passing through voltmeter V and ammeter A Test process is monitored, so as to realize the performance test to arc fault protector;
(2) fault electric arc current source module includes 13 branch roads, can not only imitate various actual current loading (examples Such as incandescent lamp, fluorescent lamp, Halogen lamp LED, dust catcher, air compressor machine, electric drill and Switching Power Supply), moreover it is possible to produce two kinds of standard values (3A and 5A) current loading, but also it is reserved with EMI experimental tests interface and crosstalk experimental test interface and two standby test branch roads Interface, test, EMI experimental tests and the crosstalk that can realize various current loadings using fault electric arc current source module is tested (i.e. anti-interference load test) is tested, so as to meet the requirement of national standard test event;
(3) using switching control module can realize arc test and shield test reactor (i.e. inhibition shields load test) it Between switching so that testboard, which can be realized, to be tested two projects, with meet national standard test event requirement.
The frame structure of upper box body 11 and lower part box 12 in testboard body of the present invention is by aluminium section bar system Into operating table surface 13 is made up of epoxy resins insulation plate, and other faces are then made up of 2mm galvanized sheets and its surface is through Jing Pensuchu Reason, testboard monnolithic case is attractive in appearance, and sound construction, easy-to-operate, in order to further improve the convenience of testboard, may be used also Roller 19 is set in lower part box bottom corner, so as to be moved easily.
In order to improve the heat dispersion of testboard, fan can be also installed in testboard body interior, correspondingly in testboard Increase fan control branch road 324 in control module.
In order to further improve the security of testboard, insurance is provided between power module and testboard control module Silk FU1, fuse FU2 is provided with switching control module.
In order to further expand the performance of testboard, fire monitoring test is convenient for, in the power supply of test circuit 3 Fire monitor is accessed between module 34 and arc fault protector to be measured, fire is set in testboard control module Monitor controlling brancher 325, correspondingly reserves fire-disaster monitoring device calibrating terminal in operating table surface.
In summary, the present invention has advantages below:
The present invention produces the fault electric arc of standard using fault electric arc generator, while utilizing fault electric arc current source module A variety of current loadings are produced, a variety of current loadings with fault electric arc are accessed into test product (i.e. arc fault protector), Action to arc fault protector under various current loadings judges, so as to realize the performance to arc fault protector Test, is tested while EMI experimental tests, crosstalk experimental test and shield test reactor can also be carried out to test product.It is of the present invention Arc fault protector combined test stand according to national standard《GB14287.4-2014》With《GB/T31143-2014》Carry out Design, circuit structure is simple, accurate testing, (being only the 10% of existing product) with low cost, suitable in arc fault protector Manufacturing enterprise's large-scale promotion application.
It is understood that above with respect to the specific descriptions of the present invention, being merely to illustrate the present invention and being not limited to this Technical scheme described by inventive embodiments.It will be understood by those within the art that, still can be to present invention progress Modification or equivalent substitution, to reach identical technique effect;As long as meet use needs, all protection scope of the present invention it It is interior.

Claims (10)

1. a kind of arc fault protector combined test stand, it is characterised in that:Including testboard body, fault electric arc generator and Test circuit, the testboard body includes upper box body and the lower part box with operating table surface, and the fault electric arc occurs Device is installed on inside upper box body, and the test circuit is installed on inside upper box body and lower part box, and the upper box body is just The face left side is provided with the observation window for being used for observing fault electric arc generator working condition, and the right is provided with control panel one, the operation Table top is provided with control panel two and arc fault protector placement rack to be measured, and the lower part box front is provided with cabinet door, described Lower part box bottom corner is provided with roller, and the operating table surface is made up of epoxy resins insulation plate;The test circuit includes event Hinder arc current source module, testboard control module, switching control module and power module;The fault electric arc current source module Coordinate with fault electric arc generator and produce a variety of current loadings with fault electric arc for being used for carrying out arc test;The test Platform control module is used for the instruction of system power supply working condition, system voltage and indicated and system output current instruction;The switching control Molding block is used to switch over control between arc test and shield test reactor and trystate is indicated;The power module is event Hinder current source module, testboard control module and switching control module for power supply;The input of the arc fault protector to be measured Be connected respectively with power module and testboard control module, load end respectively with fault electric arc generator, fault electric arc current source Module is connected with switching control module;The control panel one and control panel two are used to control fault electric arc generator, failure Arc current source module, testboard control module, switching control module and power module.
2. arc fault protector combined test stand according to claim 1, it is characterised in that:The power module by AC220V power supplys and secondary switch Q1 are constituted, and the secondary switch Q1 is used to control whether power supply accesses testboard, the control The battery main switch button corresponding to secondary switch Q1 is provided with panel two.
3. arc fault protector combined test stand according to claim 2, it is characterised in that:The power module is also wrapped The pressure regulator for adjusting AC220V supply voltages is included, pressure regulator knob is correspondingly set in the cabinet door of the lower part box.
4. arc fault protector combined test stand according to claim 1, it is characterised in that:The testboard controls mould Block include be used for indicate the power supply indicator branch road of power work state, the ammeter branch road for indicating system output current and Voltmeter branch road for indicating supply voltage, the power supply indicator branch road, ammeter branch road and voltmeter branch circuit parallel connection, institute State power supply indicator branch route indicator lamp H1 to constitute, the ammeter branch route ammeter A is constituted, the voltmeter branch route electricity Press Table V to constitute, incoming power indicator lamp, supply voltage indicator panel corresponding to indicator lamp H1 are provided with the control panel one With test electric current indicator panel, the supply voltage indicator panel is used for the reading for showing voltmeter V, and the test electric current indicator panel is used In display ammeter A reading.
5. arc fault protector combined test stand according to claim 1, it is characterised in that:The stripping and slicing control module Including the switch Q2 with auxiliary contact OF, indicator lamp H2 and indicator lamp H3, after the indicator lamp H2 and indicator lamp H3 are in parallel with it is auxiliary Contact OF is helped to connect, auxiliary contact OF is connected to indicator lamp H2 during the switch Q2 closures and shield test reactor test loop is connected, Auxiliary contact OF is connected to indicator lamp H3 when the switch Q2 is opened and arc test test loop is connected, the control panel one On be provided with the shield test reactor indicator lamp corresponding to indicator lamp H2 and the arc test indicator lamp corresponding to indicator lamp H3, the control The electric arc switching tests switch corresponding to Q2 is provided with panel two processed.
6. arc fault protector combined test stand according to claim 1, it is characterised in that:The fault electric arc electric current Source module includes the multiple branch roads for being used to produce a variety of current loading values, and all multiple branch roads have a master switch, Mei Gezhi Road has corresponding branch switch.
7. arc fault protector combined test stand according to claim 6, it is characterised in that:The fault electric arc electric current Source module includes the tie point for being used to produce incandescent lamp loads, for producing the second branch road of daylight lamp load, for producing 3rd branch road of halogen lamp load, for produce dust catcher load the 4th branch road, for produce air compressor machine load the 5th Road, for produce electric drill load the 6th branch road, for produce Switching Power Supply load the 7th branch road, for producing 3A load values The 8th branch road, the 9th branch road for producing 5A load values;Switch Q3, electronic light modulator and first in series of incandescent lamp Road, switch Q4, ballast and fluorescent lamp the second branch road in series, switch Q5, ballast and 3rd in series of Halogen lamp LED Road, switch Q6 and the 4th branch road in series of socket one for connecting dust catcher, switch Q7 and for connecting inserting for air compressor machine Two the 5th branch roads in series of seat, switch Q8 and electric drill load in series constitute the 6th branch road, and resistance R2 and Switching Power Supply load are simultaneously Again with switching Q9 the 7th branch roads in series, switch Q10 and resistance R1 the 8th branch roads in series, switch Q11 and resistance after connection R2 the 9th branch roads in series, the tie point, the second branch road, the 3rd branch road, the 4th branch road, the 5th branch road, the 6th branch road, Connected again with master switch Q2 after 7th branch road, the 8th branch road and the 9th branch circuit parallel connection;Correspondence is provided with the control panel two In switch Q3 filament lamp switch, the electronic dimming knob corresponding to electronic light modulator, the switch for fluorescent lamp corresponding to switch Q4, Corresponding to switch Q5 halogen lamp switch, corresponding to switch Q6 dust catcher switch, corresponding to switch Q7 air compressor machine switch, it is right It should be switched in switch Q8 electric drill switch, the switch corresponding to switch Q9, the 3A testing currents corresponding to switch Q10 Switched with the 5A testing currents corresponding to switch Q11, the dust catcher that lower part box side is provided with corresponding to socket one is inserted Seat surface plate and the air compressor machine socket panel corresponding to socket two.
8. arc fault protector combined test stand according to claim 6, it is characterised in that:The fault electric arc electric current Source module is also including being used for the tenth branch road of EMI experiments, for the 11st standby branch road and twelve earthly branches road and for crosstalk 13rd branch road of experiment, switch Q12 and the tenth branch road in series of socket three, switch Q13 and socket four the in series tenth One branch road, switch Q14 and the twelve earthly branches road in series of socket five, switch Q15 and the 13rd branch road in series of socket six, institute State tie point, the second branch road, the 3rd branch road, the 4th branch road, the 5th branch road, the 6th branch road, the 7th branch road, the 8th branch road, Nine branch roads, the tenth branch road, the 11st branch road, twelve earthly branches road and the 13rd branch circuit parallel connection;It is provided with the control panel two Switched corresponding to the EMI experimental tests for switching Q12, one switched corresponding to the standby test for switching Q13, corresponding to switch Q14's Standby test switch two and the crosstalk experimental test corresponding to switch Q15 are switched, and the lower part box side, which is provided with, to be corresponded to EMI testing sockets panel, the standby socket panel one corresponding to socket four, the standby socket panel of respective socket five of socket three Two and the crosstalk testing socket panel corresponding to socket six.
9. arc fault protector combined test stand according to claim 1, it is characterised in that:The fault electric arc occurs Device includes fixed electrode, traveling electrode, electrode movement governor motion, extension shaft fixing device, steering variable regulating mechanism, fixation Electrode fixed seat, traveling electrode fixed seat and insulator foot, the fixed electrode and traveling electrode are oppositely arranged, the fixed electricity Pole is installed on the left side of insulator foot by fixed electrode fixed seat, and the traveling electrode passes through traveling electrode fixed seat and insulation Electrode movement governor motion on the right side of chassis interior is connected, and the motor movement governor motion is by extending shaft fixing device with turning It is connected to variable regulating mechanism, the steering variable regulating mechanism is used for driving electrodes movement governor motion movement, correspondingly exists Control panel one is provided with the arc adjustment knob for being used for controlling to turn to variable regulating mechanism.
10. arc fault protector combined test stand according to claim 1, it is characterised in that:The testboard body Inside is also equipped with the fan for radiating, and correspondingly the testboard control module also includes the fan branch for being used to control fan Road.
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CN110646713A (en) * 2019-09-02 2020-01-03 深圳供电局有限公司 Fault arc simulation generating device and photovoltaic direct current system

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