CN105425078A - Single-phase inverter auxiliary test device - Google Patents

Single-phase inverter auxiliary test device Download PDF

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Publication number
CN105425078A
CN105425078A CN201510920667.8A CN201510920667A CN105425078A CN 105425078 A CN105425078 A CN 105425078A CN 201510920667 A CN201510920667 A CN 201510920667A CN 105425078 A CN105425078 A CN 105425078A
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China
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dc110v
main
electric
phase inverter
electrical input
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CN105425078B (en
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王莉
万玉山
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Changzhou University
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Changzhou University
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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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40Testing power supplies

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inverter Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

A single-phase inverter auxiliary test device comprises a direct-current voltage stabilization power supply, a DC110V incoming wire diode, a DC110V control switch, a main electric indicating lamp, a main electric input terminal, an automatic timing switch, a controlled electric indicating lamp and a controlled electric input terminal. When debugging is performed, shunt control is performed on a main electric DC110V and a controlled electric DC110V needed by single-phase inverter during working and electrical states of the two power supplies can be directly displayed through the indicating lamps. In a controlled electric portion, the automatic timing switch is used so that a need of continuous power supply when a power-on test is simulated can be guaranteed; and under the conditions that a single-phase inverter alternating current output value is tested during a normal electric test through setting time and DC110V main electricity is disconnected, DC110V control electricity provides power for a period so that an AC220V output by the single-phase inverter is rapidly discharged to a human body safety voltage; and a potential electric shock hazard of synchronous outage is avoided.

Description

A kind of single-phase inverter auxiliary test unit
Technical field
The present invention relates to trolley coach supply unit technical field, specifically a kind of single-phase inverter auxiliary test unit.
Background technology
25T/G type trolley coach supply unit is made up of inverter box and charger case, is integrated with a charging set and a single-phase inverter in the cabinet that wherein charges.Single-phase inverter mainly provides power supply for urgent ventilation equipment, video system and convenience outlets etc. on car, must carry out simulation energising, normal power-up and various electric performance test before dispatching from the factory.Primary power needed for its work is DC110V, controlling electricity is also DC110V, thus when the wiring of single-phase inverter inside modules with wire by main electric port and control electricity port short circuit, more external DC110V is to main electric port, can ensure the main electricity of its synchronization gain and control electricity to carry out work.But when assembling wiring completes energising test first, because main electricity and the electric ring of control lead to, once break down, being not easy to judgement is main circuit or control electricity circuit problem.And tested as not deenergization, single-phase inverter will work always; Deenergization immediately, due to synchronous dead electricity, the AC220V that single-phase inverter exports is discharged to safe voltage and generally needs about five minutes, is the hidden danger that the words of electroless state touching module have electric shock in the process as non-commissioning staff takes for.
Summary of the invention
The technical problem to be solved in the present invention is: overcome above-mentioned deficiency, provides a kind of single-phase inverter auxiliary test unit, will control electricity and the separately control of main electricity, and module rapid discharge can be made after test completes to safe voltage when testing first.
The technical solution adopted for the present invention to solve the technical problems is: a kind of single-phase inverter auxiliary test unit, the investigation of problem of being more convenient for when modular debugging is broken down circuit, comprises D.C. regulated power supply, DC110V inlet wire diode, DC110V gauge tap, main electric pilot lamp, main electrical input, automatic time switch, control electricity pilot lamp and controls electrical input.
Described D.C. regulated power supply is voltage 0 ~ 150V, electric current 0 ~ 30A adjustable type.Power supply top and the bottom are equipped with louvre, be provided with two three bit digital Displaying Meters, be respectively used to the display of magnitude of voltage and current value above front panel; Middle correspondence is provided with magnitude of voltage and current value adjustment knob; Lower left is provided with power switch, and right side is provided with the Wiring port of main track, negative wire and ground wire.
Described DC110V inlet wire diode is 800V/60A, is connected in series between D.C. regulated power supply and DC110V gauge tap, the damage of the inside modules device that can effectively prevent the positive and negative wire reversal connection of drawing from D.C. regulated power supply from causing.
Described DC110V gauge tap is dual-channel type, and two passages can independent break-make.One Tandem is connected between DC110V inlet wire diode and main electric pilot lamp, for the break-make of control DC110V primary power; Two passages are connected in series between DC110V inlet wire diode and automatic time switch, control the break-make of power supply for control DC110V.
Described main electric pilot lamp is red, between the passage being connected in series in DC110V gauge tap and main electrical input, for showing main electric the electric situation of DC110V needed for single-phase inverter work.
Described main electrical input is installed on the left of single-phase inverter upper plate guide rail, is divided into positive terminal and negative terminal, and two are 6mm 2two enter two removing from mould WAGO connection terminals, wherein positive terminal is grey, for the connection of the main electric main track of DC110V; Negative terminal is blue, for the connection of the main electric negative wire of DC110V.
Described automatic time switch is connected in series in two passages of DC110V gauge tap and controls between electric pilot lamp, is divided into normal shelves and timing shelves, is selected by switch surface knob.When switch is allocated to normal shelves, namely can be used as common on-off switch and use; When switch be allocated to timing shelves, can setting time in break-make, timing shelves be 0 ~ 30 minute adjustable.
The electric pilot lamp of described control is green, is connected in series in automatic time switch and controls between electrical input, controls electric electric situation for the DC110V shown needed for single-phase inverter work.
Described control electrical input is installed on the right side of single-phase inverter upper plate guide rail, is divided into positive terminal and negative terminal, and two are 4mm 2two enter two removing from mould WAGO connection terminals, wherein positive terminal is grey, controls the connection of electric main track for DC110V; Negative terminal is blue, controls the connection of electric negative wire for DC110V.
The invention has the beneficial effects as follows: this device when debugging by the main electric DC110V needed for single-phase inverter work with control electric DC110V and control along separate routes, and by pilot lamp intuitively show two-way power supply electricity condition.When debugging generation problem, the separately investigation of main circuit and control electricity circuit can be convenient to.Automatic time switch is used in control electricity part, the needs of continued power when both can ensure to simulate energising test, also by setting-up time, when normal power-up is tested, single-phase inverter exchanges output valve and completes mensuration, when the main electricity of DC110V first disconnects, DC110V controls electricity and powers a period of time again so that the AC220V rapid discharge of single-phase inverter output is to human safety voltage, avoid the Danger Electric shock risk that synchronous power-off is potential, also can prevent from forgetting after having discharged closing control electricity and carry out the risk of charged patch.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is a kind of single-phase inverter auxiliary test unit structural representation of the present invention.
In Fig. 1: 1. D.C. regulated power supply, 2.DC110V inlet wire diode, 3.DC110V gauge tap, 4. main electric pilot lamp, 5. main electrical input, 6. automatic time switch, 7. control electric pilot lamp, 8. controls electrical input.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment
As shown in Figure 1, a kind of single-phase inverter auxiliary test unit of the present invention, comprises D.C. regulated power supply 1, DC110V inlet wire diode 2, DC110V gauge tap 3, main electric pilot lamp 4, main electrical input 5, automatic time switch 6, controls electric pilot lamp 7 and control electrical input 8.
Described D.C. regulated power supply 1 is voltage 0 ~ 150V, electric current 0 ~ 30A adjustable type.For ease of movement, power volume is less, and inner without radiator fan installing space, thus top and the bottom are equipped with louvre, is convenient to naturally cooling of power supply; Be provided with two three bit digital Displaying Meters above front panel, be respectively used to the display of magnitude of voltage and current value; Middle correspondence is provided with magnitude of voltage and current value adjustment knob; Lower left is provided with power switch, controls the opening and closing of whole power supply; Right side is provided with the Wiring port of main track, negative wire and ground wire, is distinguished, be followed successively by redness, black and green by color.
Described DC110V inlet wire diode 2 is 800V/60A, be connected in series between D.C. regulated power supply 1 and DC110V gauge tap 3, utilize the single-phase conductive characteristic of diode, the damage of the inside modules device that can effectively prevent the positive and negative wire reversal connection of drawing from D.C. regulated power supply 1 from causing.
Described DC110V gauge tap 3 is dual-channel type, and two passages can independent break-make, does not interfere with each other, and namely according to reality debugging demand, can distinguish the main circuit of break-make DC110V and DC110V controls electric circuit.Wherein a Tandem is connected between DC110V inlet wire diode 2 and main electric pilot lamp 4, for the break-make of control DC110V primary power; Two passages are connected in series between DC110V inlet wire diode 2 and automatic time switch 6, control the break-make of power supply for control DC110V.
Described main electric pilot lamp 4 is red, between the passage being connected in series in DC110V gauge tap 3 and main electrical input 5, for showing main electric the electric situation of DC110V needed for single-phase inverter work.Under D.C. regulated power supply 1 opening, a passage of DC110V gauge tap 3 is allocated to closure state, main electric pilot lamp 4 is lighted; One passage of DC110V gauge tap 3 is allocated to off-state, and main electric pilot lamp 4 extinguishes.
Described main electrical input 5 is installed on the left of single-phase inverter upper plate guide rail, is divided into positive terminal and negative terminal, and two are 6mm 2two enter two removing from mould WAGO connection terminals, wherein positive terminal is grey, for the connection of the main electric main track of DC110V; Negative terminal is blue, for the connection of the main electric negative wire of DC110V.During producers' assembling wiring, use two 4mm respectively 2low-smoke halogen-free inflaming-retarding cable be connected to from main electrical input 5 and control electrical input 8, commissioning staff needs first by two 4mm before use single-phase inverter auxiliary test unit starts test 2shorting stub remove.
Described automatic time switch 6 is connected in series in two passages of DC110V gauge tap 3 and controls between electric pilot lamp 7, is divided into normal shelves and timing shelves, is selected by switch surface knob.When switch is allocated to normal shelves, namely can be used as common on-off switch and use, get final product continued power once connect.When switch be allocated to timing shelves, can in setting-up time break-make, timing shelves be 0 ~ 30 minute adjustable.As being set as 1 minute the time, then continued power in 1 minute, can auto-breaking after 1 minute.
The electric pilot lamp 7 of described control is green, is connected in series in automatic time switch 6 and controls between electrical input 8, controls electric electric situation for the DC110V shown needed for single-phase inverter work.Under D.C. regulated power supply 1 opening, two passages of DC110V gauge tap 3 are allocated to closure state, automatic time switch 6 is allocated to arbitrarily normal shelves or timing shelves, controls electric pilot lamp 7 and all lights; Two passages of DC110V gauge tap 3 are allocated to off-state, and automatic time switch 6 is allocated to arbitrarily normal shelves or timing shelves, and main electric pilot lamp 4 all keeps extinguishing.
Described control electrical input 8 is installed on the right side of single-phase inverter upper plate guide rail, is divided into positive terminal and negative terminal, and two are 4mm 2two enter two removing from mould WAGO connection terminals, wherein positive terminal is grey, controls the connection of electric main track for DC110V; Negative terminal is blue, controls the connection of electric negative wire for DC110V.Two 4mm are used respectively during producers' assembling wiring 2low-smoke halogen-free inflaming-retarding cable accessed by main electrical input 5; Commissioning staff needs first by two 4mm before use single-phase inverter auxiliary test unit starts test 2shorting stub remove.
The invention has the beneficial effects as follows: this device when debugging by the main electric DC110V needed for single-phase inverter work with control electric DC110V and control along separate routes, and by pilot lamp intuitively show two-way power supply electricity condition.When debugging generation problem, the separately investigation of main circuit and control electricity circuit can be convenient to.Automatic time switch is used in control electricity part, the needs of continued power when both can ensure to simulate energising test, also by setting-up time, after when normal power-up is tested, single-phase inverter interchange output valve completes mensuration, when the main electricity of DC110V first disconnects, DC110V controls electricity and powers a period of time again so that the AC220V rapid discharge of single-phase inverter output is to human safety voltage, avoid the Danger Electric shock risk that synchronous power-off is potential, also can prevent from forgetting after having discharged closing control electricity and carry out the risk of charged patch.Before starting simulation test, first main electrical input 5 and the shorting stub controlled between electrical input 8 are removed, two passages of DC110V gauge tap 3 are all allocated to off-state, the knob of automatic time switch 6 is allocated to normal shelves, single-phase inverter is set to analog operation state, then open D.C. regulated power supply 1, two passages of closed DC 110V gauge tap 3 again, now control electric pilot lamp 7 to light, check that DC110V controls electric that electric rear state is normal, again two passages of DC110V gauge tap 3 are closed, now main electric pilot lamp 4 is lighted, check main electric the electric rear state of DC110V.As situation is all normal, then D.C. regulated power supply 1 is closed, the knob of automatic time switch 6 is allocated to timing shelves, time is set as 3 minutes (can regulate according to the actual requirements), one passage and two passages of DC110V gauge tap 3 remain closed, then open D.C. regulated power supply 1, main electric pilot lamp 4 and the electric pilot lamp 7 of control are synchronously lighted, after single-phase inverter normally works, after interchange output valve has measured, one break-make of DC110V gauge tap 3 is turned off, namely main electric pilot lamp 4 extinguishes, now still connect because DC110V controls electricity, single-phase inverter rapid discharge, control electric pilot lamp 7 after time delay a period of time also to extinguish, inside modules is without electricity, after removing single-phase inverter auxiliary test unit, the shorting stub of reducing between main electrical input 5 and control electrical input 8, directly can start to carry out other performance test after main electrical input 5 accesses DC110V.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the scope not departing from this invention technological thought.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.

Claims (5)

1. a single-phase inverter auxiliary test unit, is characterized in that: comprise D.C. regulated power supply (1), DC110V inlet wire diode (2), DC110V gauge tap (3), main electric pilot lamp (4), main electrical input (5), automatic time switch (6), control electric pilot lamp (7) and control electrical input (8);
Described D.C. regulated power supply (1) is voltage 0 ~ 150V, electric current 0 ~ 30A adjustable type;
Described DC110V inlet wire diode (2) is 800V/60A, is connected in series between D.C. regulated power supply (1) and DC110V gauge tap (3);
Described DC110V gauge tap (3) is the dual-channel type comprising a passage and two passages, and a passage and two passages can independent break-makes, do not interfere with each other, and according to reality debugging demand, can distinguish the main circuit of break-make DC110V and DC110V controls electric circuit;
Described main electric pilot lamp (4) is red, between the passage being connected in series in DC110V gauge tap (3) and main electrical input (5), for showing main electric the electric situation of DC110V needed for single-phase inverter work;
Described main electrical input (5) is installed on the left of single-phase inverter upper plate guide rail, comprises main electrical input positive terminal and main electrical input negative terminal, and main electrical input positive terminal and main electrical input negative terminal are 6mm 2two enter two removing from mould WAGO connection terminals;
Described automatic time switch (6) is connected in series in two passages of DC110V gauge tap (3) and controls between electric pilot lamp (7), is divided into normal shelves and timing shelves, is selected by switch surface knob;
The electric pilot lamp of described control (7) is green, is connected in series in automatic time switch (6) and controls between electrical input (8), for the DC110V shown needed for single-phase inverter work control electric must electric situation;
Described control electrical input (8) is installed on the right side of single-phase inverter upper plate guide rail, comprises and controls electrical input positive terminal and control electrical input negative terminal, controls electrical input positive terminal and control electrical input negative terminal to be 4mm 2two enter two removing from mould WAGO connection terminals;
Further, the top and the bottom of described D.C. regulated power supply (1) are equipped with louvre; Two three bit digital Displaying Meters are provided with above D.C. regulated power supply front panel; Middle correspondence is provided with magnitude of voltage and current value adjustment knob; Lower left is provided with power switch; Right side is provided with the Wiring port of main track, negative wire and ground wire, is distinguished, be followed successively by redness, black and green by color;
Particularly, described DC110V inlet wire diode (2) is the inside modules device failure utilizing the unilateal conduction characteristic of diode effectively to prevent the power lead reversal connection of drawing from D.C. regulated power supply (1) to cause;
Particularly, a Tandem of described DC110V gauge tap (3) is connected between DC110V inlet wire diode (2) and main electric pilot lamp (4), for the break-make of control DC110V primary power; Two passages are connected in series between DC110V inlet wire diode (2) and automatic time switch (6), control the break-make of power supply for control DC110V.
2. a kind of single-phase inverter auxiliary test unit according to claim 1, it is characterized in that: described main electric pilot lamp (4) is under D.C. regulated power supply (1) opening, one passage of DC110V gauge tap (3) is allocated to closure state, and main electric pilot lamp (4) is lighted; One passage of DC110V gauge tap (3) is allocated to off-state, and main electric pilot lamp (4) is extinguished.
3. a kind of single-phase inverter auxiliary test unit according to claim 1, is characterized in that: the main track terminal of described main electrical input (5) and control electrical input (8) is grey, and negative wire terminal is blueness.
4. a kind of single-phase inverter auxiliary test unit according to claim 1, is characterized in that: when described automatic time switch (6) is allocated to normal shelves, can be used as common on-off switch and uses, connect sustainable power supply; When switch be allocated to timing shelves time, can setting time in break-make, timing shelves be 0 ~ 30 minute adjustable.
5. a kind of single-phase inverter auxiliary test unit according to claim 1, it is characterized in that: two passages of DC110V gauge tap (3) are allocated to closure state by the electric pilot lamp of described control (7) under D.C. regulated power supply (1) opening, automatic time switch (6) is allocated to arbitrarily normal shelves or timing shelves, controls electric pilot lamp (7) and all lights; Two passages of DC110V gauge tap (3) are allocated to off-state, and automatic time switch (6) is allocated to arbitrarily normal shelves or timing shelves, and main electric pilot lamp (4) all keeps extinguishing.
CN201510920667.8A 2015-12-12 2015-12-12 A kind of single-phase inverter auxiliary test unit Active CN105425078B (en)

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WO2012122870A1 (en) * 2011-03-15 2012-09-20 荣信电力电子股份有限公司 New test power supply for transformer
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