CN105425078B - A kind of single-phase inverter auxiliary test unit - Google Patents
A kind of single-phase inverter auxiliary test unit Download PDFInfo
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- CN105425078B CN105425078B CN201510920667.8A CN201510920667A CN105425078B CN 105425078 B CN105425078 B CN 105425078B CN 201510920667 A CN201510920667 A CN 201510920667A CN 105425078 B CN105425078 B CN 105425078B
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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
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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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- General Physics & Mathematics (AREA)
- Inverter Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A kind of single-phase inverter auxiliary test unit, including D.C. regulated power supply, DC110V inlet wires diode, DC110V controlling switches, main electric indicator lamp, main electrical input, automatic time switch, the electric indicator lamp of control and control electrical input.The present apparatus by the main electric DC110V needed for single-phase inverter work and controls electric DC110V branches to control in debugging, and two-way power supply is intuitively shown by indicator lamp obtains electricity condition；Automatic time switch is used in control electricity part, both the needs of continued power during simulation energization test can be ensured, also can by setting time when normal power-up is tested single-phase inverter exchange output valve complete measure, in the case that the main electricity of DC110V first disconnects, DC110V control electricity powers a period of time in order to which the AC220V repid discharges of single-phase inverter output are to human safety voltage again, avoids and synchronously powers off potential Danger Electric shock risk.
Description
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 units are made up of inverter box and charger case, wherein being integrated with charging cabinet
One charger and a single-phase inverter.Single-phase inverter is mainly urgent ventilation equipment, video system and facility on car
Socket etc. provides power supply, and simulation energization, normal power-up and various electric performance tests must be carried out before dispatching from the factory.Due to its work
Required main power source is DC110V, and control electricity is also DC110V, thus will with wire in single-phase inverter inside modules wiring
Main electric port and the electric port short circuit of control, then external DC110V is to main electric port, you can ensure the main electricity of its synchronization gain and control
Electricity is to be operated.But when energization test first is completed in assembling wiring, due to main electricity and control electric ring to lead to, once event occurs
Barrier, it is main circuit or control electricity circuit problem to be not easy to judgement.And such as continuous switch power supply is completed in test, single-phase inverter will
Work always；Immediately if deenergization, due to synchronous dead electricity, the AC220V of single-phase inverter output is discharged to safe voltage one
As need five minutes or so, in the process as non-commissioning staff be mistaken for electroless state touching module if having the hidden of electric shock
Suffer from.
The content of the invention
The technical problem to be solved in the present invention is：Overcome above-mentioned deficiency, there is provided a kind of single-phase inverter auxiliary test unit,
When testing first electric and main electricity will be controlled to be separately controlled, and can cause module repid discharge to safety electricity after the completion of test
Pressure.
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, including D.C. regulated power supply, DC110V inlet wires diode,
DC110V controlling switches, main electric indicator lamp, main electrical input, automatic time switch, the electric indicator lamp of control and control electrical input.
The D.C. regulated power supply is 0~150V of voltage, electric current 0~30A adjustable types.Power supply top and the bottom are equipped with radiating
Hole, front panel top are provided with two three bit digital display instruments, are respectively used to the display of magnitude of voltage and current value；Centre is corresponding to be set
There are magnitude of voltage and current value adjustment knob；Lower left is provided with power switch, and right side is provided with the terminals of main track, negative wire and ground wire
Mouthful.
The DC110V inlet wires diode is 800V/60A, is connected in series in D.C. regulated power supply and DC110V controlling switches
Between, it can effectively prevent the damage from inside modules device caused by the positive and negative wire reversal connection of D.C. regulated power supply extraction.
The DC110V controlling switches are dual-channel type, and two passages can independent break-make.One Tandem is connected to DC110V
Between inlet wire diode and main electric indicator lamp, for controlling the break-make of DC110V main power sources；Two passages are connected in series in DC110V
Between inlet wire diode and automatic time switch, for controlling the break-make of DC110V control power supplys.
The main electric indicator lamp for red, be connected in series in DC110V controlling switches a passage and main electrical input it
Between, for showing main electric the electric situations of DC110V needed for single-phase inverter work.
The main electrical input is installed on the left of single-phase inverter upper plate guide rail, is divided into positive terminal and negative terminal, two
It is 6mm2Two In and Two Out type WAGO binding posts, wherein positive terminal is grey, the connection for the main electric main tracks of DC110V；It is negative
Line end is blueness, the connection for the main electric negative wires of DC110V.
The automatic time switch is connected in series between two passages and the electric indicator lamp of control of DC110V controlling switches, point
For normal shelves and timing shelves, selected by switching surface knob.When switch is allocated to normal shelves, you can lead to as common
Disconnect closing and use；When switch is allocated to timing shelves, you can the break-make within the time of setting, timing shelves are 0~30 minute adjustable.
It is described to control electric indicator lamp to be connected in series between automatic time switch and control electrical input, be used for for green
Show that the DC110V controls needed for single-phase inverter work are electric and obtain electric situation.
The 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
Individual is 4mm2Two In and Two Out type WAGO binding posts, wherein positive terminal is grey, and the company of electric main track is controlled for DC110V
Connect；Negative terminal is blueness, and the connection of electric negative wire is controlled for DC110V.
The beneficial effects of the invention are as follows：The present apparatus is in debugging by the main electric DC110V needed for single-phase inverter work and control
Make the control of electric DC110V branches, and intuitively shown by indicator lamp two-way power supply electricity condition., can when debugging generation problem
It is easy to the separated investigation of main circuit and control electricity circuit.Automatic time switch is used in control electricity part, can both ensure to simulate
The needs of continued power during energization test, also can be by setting time, the single-phase inverter exchange output when normal power-up is tested
Value completes measure, and in the case that the main electricity of DC110V first disconnects, DC110V control electricity powers a period of time in order to single-phase inversion again
The AC220V repid discharges of device output to human safety voltage, avoid it is synchronous power off potential Danger Electric shock risk, prevented also from putting
Closing control electricity is forgotten after the completion of electricity and carries out the risk of powered patch.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
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 diodes, 3.DC110V controlling switches, 4. main electricity instructions
Lamp, 5. main electrical inputs, 6. automatic time switches, the 7. electric indicator lamps of control, 8. control electrical inputs.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Embodiment
As shown in figure 1, a kind of single-phase inverter auxiliary test unit of the present invention, including D.C. regulated power supply 1, DC110V
Inlet wire diode 2, DC110V controlling switches 3, main electric indicator lamp 4, main electrical input 5, automatic time switch 6, control electricity instruction
Lamp 7 and control electrical input 8.
The D.C. regulated power supply 1 is 0~150V of voltage, electric current 0~30A adjustable types.For ease of movement, power volume compared with
Small, inside is without radiator fan installing space, thus top and the bottom are equipped with heat emission hole, are easy to the natural cooling of power supply；On front panel
Side is provided with two three bit digital display instruments, is respectively used to the display of magnitude of voltage and current value；Centre be correspondingly 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 main track, born
The Wiring port of line and ground wire, is distinguished by color, is followed successively by red, black and green.
The DC110V inlet wires diode 2 is 800V/60A, is connected in series in D.C. regulated power supply 1 and DC110V controls are opened
Between closing 3, using the single-phase conductive characteristic of diode, it can effectively prevent that the positive and negative wire from the extraction of D.C. regulated power supply 1 is anti-
The damage of inside modules device caused by connecing.
The DC110V controlling switches 3 are dual-channel type, two passages can independent break-make, do not interfere with each other, i.e., according to actual tune
Examination demand, the main circuits of break-make DC110V and DC110V control circuits can be distinguished.Wherein a Tandem is connected to DC110V
Between inlet wire diode 2 and main electric indicator lamp 4, for controlling the break-make of DC110V main power sources；Two passages are connected in series in
Between DC110V inlet wires diode 2 and automatic time switch 6, for controlling the break-make of DC110V control power supplys.
The main electric indicator lamp 4 is red, is connected in series in the passage and main electrical input 5 of DC110V controlling switches 3
Between, for showing main electric the electric situations of DC110V needed for single-phase inverter work.In the opening of D.C. regulated power supply 1
Under, a passage of DC110V controlling switches 3 is allocated to closure state, main electric indicator lamp 4 is lighted；By DC110V controlling switches 3
One passage is allocated to off-state, and main electric indicator lamp 4 extinguishes.
The 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, two
It is 6mm2Two In and Two Out type WAGO binding posts, wherein positive terminal is grey, the connection for the main electric main tracks of DC110V；It is negative
Line end is blueness, the connection for the main electric negative wires of DC110V.During producers' assembling wiring, respectively using two 4mm2Low cigarette
Halogen-free flame-retardant cable is connected to control electrical input 8 from main electrical input 5, and commissioning staff is using single-phase inverter subtest
Device is needed two 4mm first before starting test2Shorting stub remove.
The automatic time switch 6 be connected in series in DC110V controlling switches 3 two passages and the electric indicator lamp 7 of control it
Between, it is divided into normal shelves and timing shelves, is selected by switching surface knob.When switch is allocated to normal shelves, you can as general
Logical on-off switch uses, can continued power once connecting.When switch is allocated to timing shelves, you can the break-make in setting time,
Timing shelves are 0~30 minute adjustable.1 minute such as will be set as the time, then the continued power in 1 minute, can be from dynamic circuit breaker after 1 minute
Electricity.
The electric indicator lamp 7 of control is green, is connected in series between automatic time switch 6 and control electrical input 8, uses
Electric situation is obtained in showing that the DC110V controls needed for single-phase inverter work are electric., will under the opening of D.C. regulated power supply 1
Two passages of DC110V controlling switches 3 are allocated to closure state, and automatic time switch 6 is arbitrarily allocated to normal shelves or timing shelves, control
Electric indicator lamp 7 is lighted；Two passages of DC110V controlling switches 3 are allocated to off-state, automatic time switch 6 is arbitrarily allocated to just
Normal shelves or timing shelves, main electric indicator lamp 4 keep extinguishing.
The 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
Individual is 4mm2Two In and Two Out type WAGO binding posts, wherein positive terminal is grey, and the company of electric main track is controlled for DC110V
Connect；Negative terminal is blueness, and the connection of electric negative wire is controlled for DC110V.Two 4mm are used during producers' assembling wiring respectively2
Low-smoke halogen-free inflaming-retarding cable accessed by main electrical input 5；Commissioning staff is started using single-phase inverter auxiliary test unit
Needed two 4mm before test first2Shorting stub remove.
The beneficial effects of the invention are as follows：The present apparatus is in debugging by the main electric DC110V needed for single-phase inverter work and control
Make the control of electric DC110V branches, and intuitively shown by indicator lamp two-way power supply electricity condition., can when debugging generation problem
It is easy to the separated investigation of main circuit and control electricity circuit.Automatic time switch is used in control electricity part, can both ensure to simulate
The needs of continued power during energization test, also can be by setting time, the single-phase inverter exchange output when normal power-up is tested
After value completes measure, in the case that the main electricity of DC110V first disconnects, DC110V control electricity powers a period of time in order to single-phase inverse again
Become the AC220V repid discharges of device output to human safety voltage, avoid it is synchronous power off potential Danger Electric shock risk, prevented also from
Closing control electricity is forgotten after the completion of electric discharge and carries out the risk of powered patch.Before starting simulation test, first by main electrical input 5
Shorting stub between control electrical input 8 is removed, and two passages of DC110V controlling switches 3 are allocated into off-state, will be certainly
The knob of dynamic time switch 6 is allocated to normal shelves, and single-phase inverter is set to simulation working condition, then opens DC voltage-stabilizing electricity
Source 1, two passages of DC110V controlling switches 3 are closed again, now control electric indicator lamp 7 to light, check that DC110V controls are electricly electric
State is normal afterwards, then two passages of DC110V controlling switches 3 are closed, and now main electric indicator lamp 4 is lighted, and checks the main electricity of DC110V
It is electric after state.As situation is normal, then D.C. regulated power supply 1 to be closed, the knob of automatic time switch 6 is allocated to timing shelves,
Time is set as 3 minutes (can adjust according to the actual requirements) that the passage and two passages of DC110V controlling switches 3 remain closed,
D.C. regulated power supply 1 is then opened, main electric indicator lamp 4 and the electric indicator lamp 7 of control are synchronously lighted, single-phase inverter normal work
Afterwards, after the completion of exchange output valve measure, a break-make of DC110V controlling switches 3 is turned off, main electric indicator lamp 4 extinguishes, this
When because DC110V control electricity still connect, single-phase inverter repid discharge, be delayed a period of time after control electric indicator lamp 7 also to extinguish,
Inside modules after removing single-phase inverter auxiliary test unit, are reduced between main electrical input 5 and control electrical input 8 without electricity
Shorting stub, directly main electrical input 5 access DC110V after can proceed by other performance test.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.This invention it is technical
Scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (5)
1. a kind of single-phase inverter auxiliary test unit, including D.C. regulated power supply (1), DC110V inlet wires diode (2),
DC110V controlling switches (3), main electric indicator lamp (4), main electrical input (5), automatic time switch (6), the electric indicator lamp (7) of control
With control electrical input (8)；It is characterized in that：
The D.C. regulated power supply (1) is 0~150V of voltage, electric current 0~30A adjustable types；
The DC110V inlet wires diode (2) is 800V/60A, is connected in series in D.C. regulated power supply (1) and DC110V controls are opened
Between pass (3)；
The DC110V controlling switches (3) are the dual-channel type for including a passage and two passages, and a passage and two passages can be independent
Break-make, it does not interfere with each other, demand is debugged according to actual, the main circuits of break-make DC110V can be distinguished and DC110V controls electric circuit；
The main electric indicator lamp (4) is red, is connected in series in a passage of DC110V controlling switches (3) and main electrical input
(5) between, for showing main electric the electric situations of DC110V needed for single-phase inverter work；
The main electrical input (5) is installed on the left of single-phase inverter upper plate guide rail, including main electrical input positive terminal and master
Electrical input negative terminal, main electrical input positive terminal and main electrical input negative terminal are 6mm2Two In and Two Out type WAGO wiring
Terminal；
The automatic time switch (6) be connected in series in DC110V controlling switches (3) two passages and the electric indicator lamp (7) of control it
Between, it is divided into normal shelves and timing shelves, is selected by switching surface knob；
The electric indicator lamp (7) of control is green, is connected in series between automatic time switch (6) and control electrical input (8),
Electric situation is obtained for showing that the required DC110V controls of single-phase inverter work are electric；
The control electrical input (8) is installed on the right side of single-phase inverter upper plate guide rail, including control electrical input positive terminal
And control electrical input negative terminal, it is 4mm to control electrical input positive terminal and control electrical input negative terminal2Two In and Two Out
Type WAGO binding posts；
Further, the top and the bottom of the D.C. regulated power supply (1) are equipped with heat emission hole；Set above D.C. regulated power supply front panel
There are two three bit digital display instruments；Centre is correspondingly provided with magnitude of voltage and current value adjustment knob；Lower left is opened provided with power supply
Close；Right side is provided with the Wiring port of main track, negative wire and ground wire, is distinguished by color, is followed successively by red, black and green；
Specifically, the DC110V inlet wires diode (2) be effectively prevented using the unilateal conduction characteristic of diode it is steady from direct current
Inside modules device failure caused by the power line reversal connection that voltage source (1) is drawn；
Specifically, a Tandem of the DC110V controlling switches (3) is connected to DC110V inlet wires diode (2) and referred to main electricity
Between showing lamp (4), for controlling the break-make of DC110V main power sources；Two passages be connected in series in DC110V inlet wires diode (2) with
Between automatic time switch (6), for controlling the break-make of DC110V control power supplys.
A kind of 2. single-phase inverter auxiliary test unit according to claim 1, it is characterised in that：The main electric indicator lamp
(4) under D.C. regulated power supply (1) opening, a passage of DC110V controlling switches (3) is allocated to closure state, main electricity refers to
Show that lamp (4) is lighted；One passage of DC110V controlling switches (3) is allocated to off-state, main electric indicator lamp (4) is extinguished.
A kind of 3. single-phase inverter auxiliary test unit according to claim 1, it is characterised in that：The main electrical input
(5) and control electrical input (8) main track terminal be grey, negative wire terminal is blueness.
A kind of 4. single-phase inverter auxiliary test unit according to claim 1, it is characterised in that：The self-timing is opened
When pass (6) is allocated to normal shelves, it can be used as common on-off switch, connect sustainable power supply；When switch is allocated to timing shelves,
Can break-make, timing shelves it be 0~30 minute adjustable within the time of setting.
A kind of 5. single-phase inverter auxiliary test unit according to claim 1, it is characterised in that：The control electricity instruction
Two passages of DC110V controlling switches (3) are allocated to closure state by lamp (7) under D.C. regulated power supply (1) opening, automatically
Time switch (6) is arbitrarily allocated to normal shelves or timing shelves, controls electric indicator lamp (7) to light；By DC110V controlling switches (3)
Two passages are allocated to off-state, and automatic time switch (6) is arbitrarily allocated to normal shelves or timing shelves, and main electric indicator lamp (4) keeps
Extinguish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920667.8A CN105425078B (en) | 2015-12-12 | 2015-12-12 | A kind of single-phase inverter auxiliary test unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920667.8A CN105425078B (en) | 2015-12-12 | 2015-12-12 | A kind of single-phase inverter auxiliary test unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105425078A CN105425078A (en) | 2016-03-23 |
| CN105425078B true CN105425078B (en) | 2018-02-02 |
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| CN201510920667.8A Active CN105425078B (en) | 2015-12-12 | 2015-12-12 | A kind of single-phase inverter auxiliary test unit |
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