CN105388428A - Inverter mutual-standby function tester - Google Patents

Inverter mutual-standby function tester Download PDF

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Publication number
CN105388428A
CN105388428A CN201510881404.0A CN201510881404A CN105388428A CN 105388428 A CN105388428 A CN 105388428A CN 201510881404 A CN201510881404 A CN 201510881404A CN 105388428 A CN105388428 A CN 105388428A
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China
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inverter
dc600v
dc110v
pilot lamp
gauge tap
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CN201510881404.0A
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CN105388428B (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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    • 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
    • G01R31/40—Testing power supplies

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inverter Devices (AREA)

Abstract

An inverter mutual-standby function tester comprises a DC power cabinet, a DC600V inlet diode, a DC110V inlet diode, an inverter box terminal row, a DC600V control switch, a DC110V control switch, a DC600V indicating lamp of a first inverter, a DC600V indicating lamp of a second inverter, a DC110V indicating lamp of the first inverter, a DC110V indicating lamp of the second inverter, the input end of the first inverter and the input end of the second inverter. DC600V and DC110V required by work of each inverter are switched ON/OFF independently, and the indicating lamps are used to visually display main power supplies of the inverters and the controlled electrification state; and during mutual-standby test, and the DC600V at the input end of the first inverter is disconnected to simulate fault of the first inverter easily. The tester is safe and reliable, and the risk that a fuse seat is damaged when an internal fuse is disconnected can be reduced.

Description

A kind of inverter is standby function test device mutually
Technical field
The present invention relates to trolley coach supply unit technical field, specifically a kind of inverter standby function test device mutually.
Background technology
25T/G type trolley coach inverter is integrated in casing and is hung on below car body, and input control electricity is DC110V, and primary power is DC600V, is mainly air-conditioning and threephase load on car and powers.Generally, mostly be two inverter configurations in case, only have a job under normal condition, the Shi Caihui that breaks down switches to another to work, i.e. so-called mutual available Electricity Functional.Before dispatching from the factory, must test this function, cannot realize standby mutually when breaking down to prevent on-line operation smoothly.The control electricity inputted due to two inverter modules and primary power all come from casing terminal block, the break-make while of being, thus when test is mutually for function, normally input at power supply, after inverter normally starts work a period of time, pull open the fuse base of inverter one, its inner fuse is disconnected, to simulate inverter one fault, see whether inverter two can normally work.In prominent disconnected fuse process, easily cause the damage of fuse base handle part, and this test carries out in charge process, if the words of misoperation have Danger Electric shock risk.
Summary of the invention
The technical problem to be solved in the present invention is: overcome above-mentioned deficiency, provides a kind of inverter standby function test device mutually.
The technical solution adopted for the present invention to solve the technical problems is: a kind of inverter is standby function test device mutually, can complete inverter safely and fast mutually for the test of function.Comprise DC power cabinet, DC600V inlet wire diode, DC110V inlet wire diode, inverter box terminal block, DC600V gauge tap, DC110V gauge tap, inverter one DC600V pilot lamp, inverter two DC600V pilot lamp, inverter one DC110V pilot lamp, inverter two DC110V pilot lamp, inverter one input end, inverter two input end.
Described DC power cabinet designs for integral type, and core devices is all positioned over cabinet inside.Power cabinet has an a road DC600V and road DC110V to export, and two-way direct current exports and controlled respectively by D.C. contactor.Cabinet surface is provided with three bit digital Displaying Meters and two-way direct current output control sky is opened.It is 16mm that the DC600V drawn in cabinet exports stube cable 2, it is 1.5mm that DC110V exports stube cable 2.
Described DC600V inlet wire diode is 1200V/200A, the DC600V being connected in series in DC power cabinet exports and the DC600V input terminal place of inverter box terminal block, is mainly used in preventing the positive negative wire of DC600V of drawing from DC power cabinet from connecing and anti-ballisticly causes component wear in inverter box.
Described DC110V inlet wire diode is 1200V/160A, the DC110V being connected in series in DC power cabinet exports and the DC110V input terminal place of inverter box terminal block, is mainly used in preventing the positive negative wire of DC110V of drawing from DC power cabinet from connecing and anti-ballisticly causes component wear in inverter box.
Described inverter box terminal block is provided with the positive and negative line terminals of DC600V and the positive and negative line terminals of DC110V, uses cable to connect and after DC600V inlet wire diode and DC110V inlet wire diode, imports inverter module in casing into from DC power cabinet acquisition electric energy respectively.DC110V terminal is two enter scene 2,2.5mm 2guide rail car coat type grey terminal; DC600V terminal is into scene 2,16mm 2guide rail car coat type terminal, wherein main track terminal is grey, and negative wire terminal is blue.
Described DC600V gauge tap is dual-channel type, and wherein a Tandem is connected between inverter box terminal block DC600V connection terminal and inverter one DC600V pilot lamp; Two passages are connected in series between inverter box terminal block DC600V connection terminal and inverter two DC600V pilot lamp.Two channel switchs are independent of one another, can control conducting and the shutoff of this road circuit respectively.
Described DC110V gauge tap is dual-channel type, and wherein a Tandem is connected between inverter box terminal block DC110V connection terminal and inverter one DC110V pilot lamp; Two passages are connected in series between inverter box terminal block DC110V connection terminal and inverter two DC110V pilot lamp.Two channel switchs are independent of one another, can control conducting and the shutoff of this road circuit respectively.
Described inverter one DC600V pilot lamp is red, is connected in series in DC600V gauge tap one passage and inverter one input end primary power part, is used to indicate the electric power thus supplied of inverter one DC600V.When DC power cabinet DC600V power supply is connected, DC600V gauge tap one passage is allocated to conducting state, and inverter one DC600V pilot lamp is lighted; DC600V gauge tap one passage is allocated to off-state, and inverter one DC600V pilot lamp extinguishes.
Described inverter two DC600V pilot lamp is red, is connected in series in DC600V gauge tap two passage and inverter two input end primary power part, is used to indicate the electric power thus supplied of inverter two DC600V.When DC power cabinet DC600V power supply is connected, DC600V gauge tap two passage is allocated to conducting state, and inverter two DC600V pilot lamp is lighted; DC600V gauge tap two passage is allocated to off-state, and inverter two DC600V pilot lamp extinguishes.
Described inverter one DC110V pilot lamp is green, is connected in series in DC110V gauge tap one passage and inverter one input end controls electric part, is used to indicate the electric power thus supplied of inverter one DC110V.When DC power cabinet DC110V power supply is connected, DC110V gauge tap one passage is allocated to conducting state, and inverter one DC110V pilot lamp is lighted; DC110V gauge tap one passage is allocated to off-state, and inverter one DC110V pilot lamp extinguishes.
Described inverter two DC110V pilot lamp is green, is connected in series in DC110V gauge tap two passage and inverter two input end controls electric part, is used to indicate the electric power thus supplied of inverter two DC110V.When DC power cabinet DC110V power supply is connected, DC110V gauge tap two passage is allocated to conducting state, and inverter two DC110V pilot lamp is lighted; DC110V gauge tap two passage is allocated to off-state, and inverter two DC110V pilot lamp extinguishes.
Described inverter one input end is divided into DC600V connection terminal and DC110V connection terminal, is all installed on box body guide rail.Wherein DC600V connection terminal is positioned on the right side of inverter, is divided into 600V+ and 600V-, is M8 type list bolt installing type, centre baffle interval; DC110V connection terminal is positioned on the left of inverter, is divided into 110V+ and 110V-, is 2.5mm 2common 2 line cage connection terminals.
Described inverter two input end is divided into DC600V connection terminal and DC110V connection terminal, is all installed on box body guide rail.Wherein DC600V connection terminal is positioned on the right side of inverter, is divided into 600V+ and 600V-, is M8 type list bolt installing type, centre baffle interval; DC110V connection terminal is positioned on the left of inverter, is divided into 110V+ and 110V-, is 2.5mm 2common 2 line cage connection terminals.
The invention has the beneficial effects as follows: inverter one and DC600V and DC110V needed for inverter two module work are carried out independent break-make by this device, show two module primary powers intuitively by pilot lamp and control electric electricity condition.Before plant-grid connection casing, install inlet wire diode effectively prevents power lead reversal connection from causing the scaling loss of internal components.Use common electric part to realize electrical connection by cable, with low cost, structure is simple, easy for installation.When carrying out mutual standby test, only inverter one fault be need easily can simulate, safety and reliability by the DC600V disconnecting inverter one input end, the fuse base damage caused in breaking inner fuse process and the risk of getting an electric shock also reduced.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is a kind of inverter of the present invention standby function test apparatus structure schematic diagram mutually.
In Fig. 1: 1. DC power cabinet, 2.DC600V inlet wire diode, 3.DC110V inlet wire diode, 4. inverter box terminal block, 5.DC600V gauge tap, 6.DC110V gauge tap, 7. inverter one DC600V pilot lamp, 8. inverter two DC600V pilot lamp, 9. inverter one DC110V pilot lamp, 10. inverter two DC110V pilot lamp, 11. inverter one input ends, 12. inverter two input ends.
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 inverter of the present invention is standby function test device mutually, comprises DC power cabinet 1, DC600V inlet wire diode 2, DC110V inlet wire diode 3, inverter box terminal block 4, DC600V gauge tap 5, DC110V gauge tap 6, inverter one DC600V pilot lamp 7, inverter two DC600V pilot lamp 8, inverter one DC110V pilot lamp 9, inverter two DC110V pilot lamp 10, inverter one input end 11, inverter two input end 12.
Described DC power cabinet 1 designs for integral type, and core devices is all positioned over cabinet inside.Power cabinet has an a road DC600V and road DC110V to export, and two-way direct current exports and controlled respectively by D.C. contactor.Cabinet surface is provided with three bit digital Displaying Meters, for the display of electric current and voltage; Two-way direct current exports and controls sky and open after DC power cabinet master switch is opened, can according to the output of actual user demand control DC600V or DC110V power supply respectively.It is 16mm that the DC600V drawn in cabinet exports stube cable 2, it is 1.5mm that DC110V exports stube cable 2.Two kinds of specification cables are low-smoke halogen-free flame retardant, and the supporting installation site of line end and wire diameter crimp type terminal, be convenient to reliable connection.
Described DC600V inlet wire diode 2 is 1200V/200A, the DC600V being connected in series in DC power cabinet 1 exports and the DC600V input terminal place of inverter box terminal block 4, mainly utilizes the single-phase electric conductivity of diode to prevent the positive negative wire of DC600V of drawing from DC power cabinet 1 from connecing and anti-ballisticly causes component wear in inverter box.
Described DC110V inlet wire diode 3 is 1200V/160A, the DC110V being connected in series in DC power cabinet 1 exports and the DC110V input terminal place of inverter box terminal block 4, mainly utilizes the single-phase electric conductivity of diode to prevent the positive negative wire of DC110V of drawing from DC power cabinet 1 from connecing and anti-ballisticly causes component wear in inverter box.
Described inverter box terminal block 4 is provided with the positive and negative line terminals of DC600V and the positive and negative line terminals of DC110V, uses cable connection after DC600V inlet wire diode 2 and DC110V inlet wire diode 3, to obtain electric energy from DC power cabinet 1 respectively and imports inverter module in case into.DC600V terminal is into scene 2,16mm 2guide rail car coat type terminal, wherein main track terminal is grey, and negative wire terminal is blue; DC110V terminal is two enter scene 2,2.5mm 2guide rail car coat type grey terminal.Inverter box terminal block 4 is positioned on the left of casing, can carry out connection under homonymy access door open mode.
Described DC600V gauge tap 5 is dual-channel type, and wherein a Tandem is connected between the DC600V connection terminal of inverter box terminal block 4 and inverter one DC600V pilot lamp 7; Two passages are connected in series between the DC600V connection terminal of inverter box terminal block 4 and inverter two DC600V pilot lamp 8.Two channel switchs are independent of one another, can control conducting and the shutoff of this road circuit respectively, ensure that inverter one and the inverter two required primary power that works does not interfere with each other when DC power cabinet 1 has DC600V to export with this.
Described DC110V gauge tap 6 is dual-channel type, and wherein a Tandem is connected between the DC110V connection terminal of inverter box terminal block 4 and inverter one DC110V pilot lamp 9; Two passages are connected in series between the DC110V connection terminal of inverter box terminal block 4 and inverter two DC110V pilot lamp 10.Two channel switchs are independent of one another, can control conducting and the shutoff of this road circuit respectively, ensure that the control electricity that inverter one and inverter two work required does not interfere with each other when DC power cabinet 1 has DC110V to export with this.
Described inverter one DC600V pilot lamp 7 is red, is connected in series in a passage of DC600V gauge tap 5 and the primary power part of inverter one input end 11, is used to indicate the electric power thus supplied of inverter one DC600V.When the DC600V power supply of DC power cabinet 1 is connected, a passage of DC600V gauge tap 5 is allocated to conducting state, inverter one DC600V pilot lamp 7 is lighted; One passage of DC600V gauge tap 5 is allocated to off-state, and inverter one DC600V pilot lamp 7 extinguishes.
Described inverter two DC600V pilot lamp 8 is red, is connected in series in two passages of DC600V gauge tap 5 and the primary power part of inverter two input end 12, is used to indicate the electric power thus supplied of inverter two DC600V.When the DC600V power supply of DC power cabinet 1 is connected, two passages of DC600V gauge tap 5 are allocated to conducting state, inverter two DC600V pilot lamp 8 is lighted; Two passages of DC600V gauge tap 5 are allocated to off-state, and inverter two DC600V pilot lamp 8 extinguishes.
Described inverter one DC110V pilot lamp 9 is green, is connected in series in a passage of DC110V gauge tap 6 and the control electricity part of inverter one input end 11, is used to indicate the electric power thus supplied of inverter one DC110V.When the DC110V power supply of DC power cabinet 1 is connected, a passage of DC110V gauge tap 6 is allocated to conducting state, inverter one DC110V pilot lamp 9 is lighted; One passage of DC110V gauge tap 6 is allocated to off-state, and inverter one DC110V pilot lamp 9 extinguishes.
Described inverter two DC110V pilot lamp 10 is green, is connected in series in two passages of DC110V gauge tap 6 and the control electricity part of inverter two input end 12, is used to indicate the electric power thus supplied of inverter two DC110V.When the DC110V power supply of DC power cabinet 1 is connected, two passages of DC110V gauge tap 6 are allocated to conducting state, inverter two DC110V pilot lamp 10 is lighted; Two passages of DC110V gauge tap 6 are allocated to off-state, and inverter two DC110V pilot lamp 10 extinguishes.
Described inverter one input end 11 is divided into DC600V connection terminal and DC110V connection terminal, is all installed on guide rail.Wherein DC600V connection terminal is positioned on the right side of inverter, is divided into 600V+ and 600V-, and be M8 type list bolt installing type, centre baffle interval, effectively prevents touching of positive negative wire from causing short circuit; DC110V connection terminal is positioned on the left of inverter, is divided into 110V+ and 110V-, is 2.5mm 2common 2 line cage connection terminals, carry obstruct and prevent positive negative wire from touching.
Described inverter two input end 12 is divided into DC600V connection terminal and DC110V connection terminal, is all installed on guide rail.Wherein DC600V connection terminal is positioned on the right side of inverter, is divided into 600V+ and 600V-, and be M8 type list bolt installing type, centre baffle interval, effectively prevents touching of positive negative wire from causing short circuit; DC110V connection terminal is positioned on the left of inverter, is divided into 110V+ and 110V-, is 2.5mm 2common 2 line cage connection terminals, carry obstruct and prevent positive negative wire from touching.
The invention has the beneficial effects as follows: inverter one and DC600V and DC110V needed for inverter two module work are carried out independent break-make by this device, show two module primary powers intuitively by pilot lamp and control electric electricity condition.Before plant-grid connection casing, install inlet wire diode effectively prevents power lead reversal connection from causing the scaling loss of internal components.Use common electric part to realize electrical connection by cable, with low cost, structure is simple, easy for installation.When carrying out mutual standby test, only need easily can simulate inverter one fault, safety and reliability by the DC600V disconnecting inverter one input end, also reducing the risk of the fuse base damage caused in breaking inner fuse process.Under normal circumstances, a passage of DC600V gauge tap and two passages, a passage and two passages of DC110V gauge tap are all in conducting state, and four pilot lamp are all lighted, but according to default now only inverter one work; When carrying out standby test mutually; only a passage of DC600V gauge tap need be allocated to off-state; inverter one DC600V pilot lamp extinguishes; inverter is for a moment because primary power dead electricity shuts down the concurrent signal transmission that is out of order to inverter two; after the system process of several seconds; inverter two will be started working, and this inverter box is now described, and standby function is normal mutually.And DC110V gauge tap one passage can be allocated to off-state over time again, to make inverter one in primary power dead electricity, under controlling the state electrically connected, rapid discharge is under 36V safe voltage.
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 (10)

1. an inverter standby function test device mutually, is characterized in that: comprise DC power cabinet (1), DC600V inlet wire diode (2), DC110V inlet wire diode (3), inverter box terminal block (4), DC600V gauge tap (5), DC110V gauge tap (6), inverter one DC600V pilot lamp (7), inverter two DC600V pilot lamp (8), inverter one DC110V pilot lamp (9), inverter two DC110V pilot lamp (10), inverter one input end (11) and inverter two input end (12);
Described DC power cabinet (1) is integral type structure, and core devices inverter module is positioned over cabinet inside; Power cabinet has an a road DC600V and road DC110V to export, and cabinet surface is provided with three bit digital Displaying Meters and two-way direct current output control sky is opened; It is 16mm that the DC600V drawn in cabinet exports stube cable section 2, it is 1.5mm that DC110V exports stube cable section 2;
The DC600V that described DC600V inlet wire diode (2) is connected in series in DC power cabinet (1) exports the DC600V input terminal place with inverter box terminal block (4);
The DC110V that described DC110V inlet wire diode (3) is connected in series in DC power cabinet (1) exports the DC110V input terminal place with inverter box terminal block (4);
Described inverter box terminal block (4) is provided with the positive and negative line terminals of DC600V and the positive and negative line terminals of DC110V, uses cable to connect and after DC600V inlet wire diode (2) and DC110V inlet wire diode (3), imports inverter module in case into from DC power cabinet (1) acquisition electric energy respectively;
Described DC600V gauge tap (5) is dual-channel type, and wherein a Tandem is connected between the DC600V connection terminal of inverter box terminal block (4) and inverter one DC600V pilot lamp (7); Two passages are connected in series between the DC600V connection terminal of inverter box terminal block (4) and inverter two DC600V pilot lamp (8);
Described DC110V gauge tap (6) is dual-channel type, and wherein a Tandem is connected between the DC110V connection terminal of inverter box terminal block (4) and inverter one DC110V (9) pilot lamp; Two passages are connected in series between the DC110V connection terminal of inverter box terminal block (4) and inverter two DC110V (10) pilot lamp;
Described inverter one DC600V pilot lamp (7) is red, be connected in series in a passage of DC600V gauge tap (5) and the primary power part of inverter one input end (11), be used to indicate the electric power thus supplied of inverter one DC600V;
Described inverter two DC600V pilot lamp (8) is red, be connected in series in two passages of DC600V gauge tap (5) and the primary power part of inverter two input end (12), be used to indicate the electric power thus supplied of inverter two DC600V;
Described inverter one DC110V pilot lamp (9) is green, be connected in series in a passage of DC110V gauge tap (6) and the control electricity part of inverter one input end (11), be used to indicate the electric power thus supplied of inverter one DC110V;
Described inverter two DC110V pilot lamp (10) is green, be connected in series in two passages of DC110V gauge tap (6) and the control electricity part of inverter two input end (11), be used to indicate the electric power thus supplied of inverter two DC110V;
Described inverter one input end (11) and inverter two input end (12) are divided into DC600V connection terminal and DC110V connection terminal, wherein DC600V connection terminal is positioned on the right side of inverter, is divided into 600V+ connection terminal and 600V-connection terminal; DC110V connection terminal is positioned on the left of inverter, is divided into 110V+ connection terminal and 110V-connection terminal.
2. a kind of inverter according to claim 1 standby function test device mutually, it is characterized in that: in the cabinet of described DC power cabinet (1), outgoing cable is low-smoke halogen-free flame retardant, the supporting installation site of line end and wire diameter crimp type terminal, be convenient to reliable connection.
3. a kind of inverter according to claim 1 standby function test device mutually, it is characterized in that: described DC600V inlet wire diode (2) is 1200V/200A, described DC110V inlet wire diode (3) is 1200V/160A, is all to utilize the single-phase electric conductivity of diode to prevent the positive and negative wire of drawing from DC power cabinet (1) from connecing anti-ballisticly to cause component wear in inverter box.
4. a kind of inverter according to claim 1 standby function test device mutually, is characterized in that: the DC600V terminal of described inverter box terminal block (4) is into scene 2,16mm 2guide rail car coat type terminal, wherein main track terminal is grey, and negative wire terminal is blue; DC110V terminal is two enter scene 2,2.5mm 2guide rail car coat type grey terminal; Inverter box terminal block (4) is positioned on the left of casing, can carry out connection under homonymy access door open mode.
5. a kind of inverter according to claim 1 standby function test device mutually, it is characterized in that: described DC600V gauge tap (5) and DC110V gauge tap (6) are dual-channel type, two channel switchs are independent of one another, can control conducting and the shutoff of this road circuit respectively.
6. a kind of inverter according to claim 1 standby function test device mutually, it is characterized in that: described inverter one DC600V pilot lamp (7) is when the DC600V power supply of DC power cabinet (1) is connected, one passage of DC600V gauge tap (5) is allocated to conducting state, and inverter one DC600V pilot lamp (7) lights; One passage of DC600V gauge tap (5) is allocated to off-state, and inverter one DC600V pilot lamp (7) extinguishes.
7. a kind of inverter according to claim 1 standby function test device mutually, it is characterized in that: described inverter two DC600V pilot lamp (8) is when the DC600V power supply of DC power cabinet (1) is connected, two passages of DC600V gauge tap (5) are allocated to conducting state, and inverter two DC600V pilot lamp (8) lights; Two passages of DC600V gauge tap (5) are allocated to off-state, and inverter two DC600V pilot lamp (8) extinguishes.
8. a kind of inverter according to claim 1 standby function test device mutually, it is characterized in that: described inverter one DC110V pilot lamp (9) is when the DC110V power supply of DC power cabinet (1) is connected, one passage of DC110V gauge tap (6) is allocated to conducting state, and inverter one DC110V pilot lamp (9) lights; One passage of DC110V gauge tap (6) is allocated to off-state, and inverter one DC110V pilot lamp (9) extinguishes.
9. a kind of inverter according to claim 1 standby function test device mutually, it is characterized in that: described inverter two DC110V pilot lamp (10) is when the DC110V power supply of DC power cabinet (1) is connected, two passages of DC110V gauge tap (6) are allocated to conducting state, and inverter two DC110V pilot lamp (10) lights; Two passages of DC110V gauge tap (6) are allocated to off-state, and inverter two DC110V pilot lamp (10) extinguishes.
10. a kind of inverter according to claim 1 standby function test device mutually, it is characterized in that: the DC600V connection terminal of described inverter one input end (11) and inverter two input end (12) is M8 type list bolt installing type, centre baffle interval, effectively prevents touching of positive negative wire from causing short circuit; DC110V connection terminal is 2.5mm 2common 2 line cage connection terminals, carry obstruct and prevent positive negative wire from touching.
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