CN109302811A - A kind of suspension railway vehicle static debugging system - Google Patents
A kind of suspension railway vehicle static debugging system Download PDFInfo
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- CN109302811A CN109302811A CN201811141869.2A CN201811141869A CN109302811A CN 109302811 A CN109302811 A CN 109302811A CN 201811141869 A CN201811141869 A CN 201811141869A CN 109302811 A CN109302811 A CN 109302811A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/083—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the ignition at the zero crossing of the voltage or the current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Inverter Devices (AREA)
- Rectifiers (AREA)
Abstract
The present invention provides a kind of suspension railway vehicle static debugging systems, including input stage circuit, the rectified filter circuit of input stage circuit, series resonant full bridge inverter circuit, high frequency transforming circuit, direct current is exported with high-voltage rectifier, the flow direction of direct current is divided into two-way, externally output all the way, another way is electrically connected to feedback network circuit by output sample circuit, information is fed back to PWM controller and system logic controller by the feedback network circuit respectively, system logic controller will be delivered separately to input stage circuit and PWM controller after the data processing received, by treated, data pass to series resonant full bridge inverter circuit formation closed circuit to PWM controller.Suspension railway vehicle static debugging system of the present invention, structure is simple, and cost is relatively low for power supply unit, can improve static debugging power supply quality, makes not interfereing with each other between the dynamic tune of quiet reconciliation, improves production, overhaul efficiency, with good economic efficiency.
Description
Technical field
The invention belongs to urban track traffic static debugging system regions, more particularly, to a kind of suspension railway vehicle static
Debugging system.
Background technique
Rail vehicle static debugging be city rail vehicle general assembly completion after, the important procedure before dynamic debugging, be by work
For step to the parts power transmission inspection such as trailer system, high-low pressure equipment, control circuit, confirmation, which is worked well, just can enter dynamic debugging,
Have the characteristics that power load is low, power supply quality is more demanding.The existing quiet tune power-supply system majority of urban rail is become by DC traction
Electric institute or DC Traction Network power supply, influence of the power supply quality vulnerable to external electrical network and transmission range.
Summary of the invention
In view of this, the present invention is directed to propose a kind of suspension railway vehicle static debugging system, simple to provide a kind of structure
There is single, strong antijamming capability high voltage arc, high voltage short circuit to protect, while have under-voltage, power tube damage defencive function outstanding
Floating rail vehicle static debugging system.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of suspension railway vehicle static debugging system, the circuit including shell and its internal setting, the circuit include
Input stage circuit, current rectifying and wave filtering circuit, series resonant full bridge inverter circuit, high frequency transforming circuit, high-voltage rectifier, output are adopted
Sample circuit, feedback network circuit, PWM controller and system logic controller, the shell are equipped with power input interface, output
Interface and long-range monitoring interface, AC power source is by the power input interface through the input stage circuit, the rectifying and wave-filtering
Circuit connection is to the series resonant full bridge inverter circuit, and the series resonant full bridge inverter circuit is through the high frequency transformation electricity
Road, the high-voltage rectifier export direct current, and the flow direction of direct current is divided into two-way, externally defeated through the output interface all the way
Out, another way is electrically connected to the feedback network circuit by the output sample circuit, and the feedback network circuit is by information
The PWM controller and the system logic controller, the data that the system logic controller will receive are fed back to respectively
The input stage circuit, the long-range monitoring interface and the PWM controller, the PWM controller are delivered separately to after processing
By treated, data pass to the series resonant full bridge inverter circuit formation closed circuit.
Further, the model UCC2895 of the PWM controller.
Further, the model ZNKZ-005 of the system logic controller.
Further, the input stage circuit includes inductance L1, inductance L2, inductance L3, inductance L4, inductance L5 and inductance
L6, the inductance L1 and the inductance L2 are connected on L1A circuitry phase, and the inductance L3 goes here and there with the inductance L4 in L2A phase electricity
On the road, the inductance L5 and the inductance L6 are connected on L3A circuitry phase, between the inductance L1 and the inductance L3, described
Between inductance L3 and the inductance L5, between the inductance L2 and the inductance L4, between the inductance L4 and the inductance L6
It is respectively equipped with a magnetosphere, the power end of the inductance L1 is grounded through capacitor C3 ground connection, load end through capacitor C6, the inductance L3
Power end be grounded through capacitor C2 ground connection, load end through capacitor C5, the power end of the inductance L5 is through capacitor C1 ground connection, load end
It is grounded through capacitor C4, the load end of the inductance L2 is grounded through resistance R6, and the load end of the inductance L4 is grounded through resistance R5, institute
The load end for stating inductance L6 is grounded through resistance R4, series resistance R1, the resistance R6 between the resistance R4 and the resistance R6
Series resistance R3, series resistance R2 between the resistance R5 and the resistance R4 between the resistance R5.
Further, the current rectifying and wave filtering circuit includes rectifier U1, the model RS207 of the rectifier U1, described
Three AC~ports of rectifier U1 for connecting three phase mains, the port DC+ of the rectifier U1 through resistance R7, inductance L7,
It is connected to the port DC- of the rectifier U1 after capacitor C7 and capacitor C8, the capacitor C7 and capacitor C9, resistance R8 are mutually simultaneously
Connection, the capacitor C8 and capacitor C10, resistance R9 are mutually in parallel.
Further, the series resonant full bridge inverter circuit includes that power switch tube Q1, power switch tube Q2, power are opened
Pipe Q3 and power switch tube Q4 is closed, the high frequency transforming circuit includes transformer T1 and rectifier bridge D5, the power switch tube Q1
Collector be connected to DC540V input power, emitter is connected to collector through diode D1, and the diode D1 is one in parallel
Capacitor C11, the emitter of the power switch tube Q1 are connected to the collector of the power switch tube Q3, the power switch tube
Parallel diode D2 between the collector and emitter of Q3, the diode D2 are connected in parallel with a capacitor C12, the capacitor C12's
It is first defeated to be connected to the transformer T1 for one end ground connection, the common end of the power switch tube Q1 and the power switch tube Q3
Enter end；The collector of the power switch tube Q2 is connected to DC540V input power, and emitter is connected to collector through diode D3,
The diode D3 is connected in parallel with a capacitor C13, and the emitter of the power switch tube Q2 is connected to the power switch tube Q4's
Collector, parallel diode D4 between the collector and emitter of the power switch tube Q4, the diode D4 are one in parallel
One end of capacitor C14, the capacitor C14 are grounded, and the common end of the power switch tube Q2 and the power switch tube Q4 are through electricity
The second input terminal of the transformer T1 is connected to after appearance C15, inductance L8；The first output end of the transformer T1 is connected to institute
The first pin of rectifier bridge D5 is stated, the second pin of the rectifier bridge D5 is connected to power supply HV+, and the second of the transformer T1 is defeated
Outlet is connected to the third pin of the rectifier bridge D5, and the 4th pin of the rectifier bridge D5 is connected to power supply HV-, the rectification
Connect a capacitor C16 between the second pin of bridge D5 and the 4th pin.
Further, the high-voltage rectifier includes diode D6, diode D7, diode D8, diode D9, resistance
R9 and resistance R10, the output sample circuit include several capacitors, resistance and inductance L9, the diode D6, the diode
The series circuit of D7 composition is in parallel with the series circuit that the diode D8, the diode D9 are formed, the diode D6, institute
The common end for stating diode D7 is connected to the side of the transformer T1, the common end of the diode D8, the diode D9
It is connected to the other side of the transformer T1, an end of the resistance R9 is connected to the cathode of the diode D8, and the other end is successively
Series resistance R9a, resistance R9b are until resistance R9n, the other end of the resistance R9n are connected to the anode of the diode D9, institute
It states resistance R9 and is connected in parallel with a capacitor C17, the resistance R9a is connected in parallel with a capacitor C17a, and the resistance R9n is connected in parallel with a capacitor
C17n, the capacitor C17n, which be respectively connected to power interface IF, is connected to resistance R15 is followed by GND, one end of the resistance R10
It is connected to the cathode of the diode D8, the other end is successively grounded after resistance R11, resistance R12, resistance R13 and resistance R14,
The resistance R10 is connected in parallel with a capacitor C18, and the resistance R11 is connected in parallel with a capacitor C19, and the resistance R12 is connected in parallel with a capacitor
C20, the resistance R13 are connected in parallel with a capacitor C21, and an end of the capacitor C21 is connected to power supply UF, the cathode of the diode D8
It is connected to power supply U0, the power supply U0 is connected to power supply FS by inductance L9.
Further, the feedback network circuit operational amplifier U2, operational amplifier U3 and operational amplifier U4, it is described
The model of operational amplifier U2, the operational amplifier U3 and the operational amplifier U4 are TL074, and the power supply UF passes through
Resistance R16 is connected to the positive input of the operational amplifier U2, and the negative input of the operational amplifier U2 is connected to
Output end, the output end of the operational amplifier U2 are connected to the negative input of the operational amplifier U3, institute through resistance R17
The negative input for stating operational amplifier U3 is connected to the output through resistance R18, the positive input of the operational amplifier U3
Ground connection, the output end of the operational amplifier U3 is connected to the negative input of the operational amplifier U4 through resistance R19, described
The negative input of operational amplifier U4 is connected to its output end, the capacitance resistance R20 and institute after resistance R20, capacitor C23
The series circuit for stating capacitor C23 composition is connected in parallel with a capacitor C22, and the output end of the operational amplifier U4 connects after resistance R21
It is connected to power supply EAP.
Compared with the existing technology, suspension railway vehicle static debugging system of the present invention has the advantage that
(1) suspension railway vehicle static debugging system of the present invention, structure is simple, and cost is relatively low for power supply unit, can
To improve static debugging power supply quality, makes not interfereing with each other between the dynamic tune of quiet reconciliation, production, overhaul efficiency are improved, with good
Economic benefit.
(2) suspension railway vehicle static debugging system of the present invention, in addition to design has overcurrent, mistake in feedback control
Pressure protection is outer, also carries out the sampling of electric current to load output and the output of H bridge using mutual inductor, realizes high voltage arc, high voltage short circuit
Protection, while the input of H bridge, H bridge arm current are detected, realize under-voltage, power tube damage defencive function.
(3) suspension railway vehicle static debugging system of the present invention, the magnetosphere of setting effectively prevent external electromagnetic dry
It disturbs, while playing filter action.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is suspension railway vehicle static debugging system electrical control principle block diagram described in the embodiment of the present invention；
Fig. 2 is input stage circuit figure described in the embodiment of the present invention；
Fig. 3 is current rectifying and wave filtering circuit figure described in the embodiment of the present invention；
Fig. 4 is series resonant full bridge inverter circuit figure and high frequency transforming circuit figure described in the embodiment of the present invention；
Fig. 5 is high-voltage rectifier figure described in the embodiment of the present invention and output sample circuit figure；
Fig. 6 is feedback network circuit figure described in the embodiment of the present invention.
Description of symbols:
1- input stage circuit；2- current rectifying and wave filtering circuit；3- series resonant full bridge inverter circuit；4- high frequency transforming circuit；5-
High-voltage rectifier；6- exports sample circuit；7- feedback network circuit；8-PWM controller；9- system logic controller.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of suspension railway vehicle static debugging system, as shown in Figures 1 to 6, the electricity including shell and its internal setting
Road, the circuit include input stage circuit 1, current rectifying and wave filtering circuit 2, series resonant full bridge inverter circuit 3, high frequency transforming circuit 4,
High-voltage rectifier 5, output sample circuit 6, feedback network circuit 7, PWM controller 8 and system logic controller 9, the shell
Body is equipped with power input interface, output interface and remotely monitors interface, and AC power source is by the power input interface through institute
State input stage circuit 1, the current rectifying and wave filtering circuit 2 is connected to the series resonant full bridge inverter circuit 3, the series resonance is complete
Bridge inverter circuit 3 exports direct current through the high frequency transforming circuit 4, the high-voltage rectifier 5, and the flow direction of direct current is divided into two
Road is externally exported through the output interface all the way, and another way is electrically connected to the feedback network by the output sample circuit 6
Information is fed back to the PWM controller 8 and the system logic controller 9, institute by circuit 7, the feedback network circuit 7 respectively
State that system logic controller 9 will be delivered separately to the input stage circuit 1 after the data processing received, the long-range monitoring connects
Mouth and the PWM controller 8, by treated, data pass to the series resonant full bridge inverter circuit to the PWM controller 8
3 form closed circuit, this static debugging equipment uses HF switch PWM operating mode, the topological structure of full-bridge inverting, Yi Jixian
Into the series resonant switched technology of phase delay, realize efficiently conversion and highly reliable output, and have high-precision and high stability
Overall performance.
The model UCC2895 of the PWM controller 8, the UCC2895 that this static debugging equipment uses is a kind of phase shift
PWM controller, it realizes the transformation of full bridge power grade, is to be made by one half-bridge circuit of switch relative to another half-bridge circuit
Phase shift controls.It provides high-frequency efficiency operation in conjunction with resonant mode zero voltage switch using Feed stocks.
The model ZNKZ-005 of the system logic controller 9 can be realized switching on and shutting down, soft start, overcurrent, over-voltage guarantor
Logics, timing, display and the mutual lock controls such as shield.Secondly it according to the requirement of external control, external display etc., is connect by remotely monitoring
Mouthful, realize the external manipulation request of this equipment.
The input stage circuit 1 includes inductance L1, inductance L2, inductance L3, inductance L4, inductance L5 and inductance L6, the electricity
The sense L1 and inductance L2 is connected on L1A circuitry phase, and the inductance L3 and inductance L4 string are described on L2A circuitry phase
Inductance L5 and the inductance L6 are connected on L3A circuitry phase, between the inductance L1 and the inductance L3, the inductance L3 and institute
It states between inductance L5, be respectively equipped with one between the inductance L2 and the inductance L4, between the inductance L4 and the inductance L6
A magnetosphere prevents outside electromagnetic interference, while playing filter action；The power end of the inductance L1 is grounded through capacitor C3, loads
End is grounded through capacitor C6, and the power end of the inductance L3 is grounded through capacitor C2 ground connection, load end through capacitor C5, the inductance L5's
Power end is grounded through capacitor C1, load end is grounded through capacitor C4, and the load end of the inductance L2 is grounded through resistance R6, the inductance
The load end of L4 is grounded through resistance R5, and the load end of the inductance L6 is grounded through resistance R4, the resistance R4 and the resistance R6
Between series resistance R1, between the resistance R6 and the resistance R5 series resistance R3, the resistance R5 and the resistance R4 it
Between series resistance R2, this static debugging equipment input stage circuit 1 use double stage tandem low pass electromagnetic interface filter, effectively realize with
The isolation of power grid is inhibited the mutual interference of power grid and equipment room, improves the power factor of equipment, prevented using varistor network
Surge interference, substantially increases the reliability of equipment.
The current rectifying and wave filtering circuit 2 includes rectifier U1, the model RS207, the rectifier U1 of the rectifier U1
Three AC~ports for connecting three phase mains, the port DC+ of the rectifier U1 through resistance R7, inductance L7, capacitor C7 and
The port DC- of the rectifier U1 is connected to after capacitor C8, the capacitor C7 and capacitor C9, resistance R8 are mutually in parallel, the electricity
Appearance C8 and capacitor C10, resistance R9 are mutually in parallel, and three-phase 380VAC is rectified into 540VDC bus power supply, and rear class electricity is effectively ensured
Road stability and output low ripple.
The series resonant full bridge inverter circuit 3 include power switch tube Q1, power switch tube Q2, power switch tube Q3 and
Power switch tube Q4, the high frequency transforming circuit 4 include transformer T1 and rectifier bridge D5, the collector of the power switch tube Q1
It is connected to DC540V input power, emitter is connected to collector through diode D1, and the diode D1 is connected in parallel with a capacitor C11,
The emitter of the power switch tube Q1 is connected to the collector of the power switch tube Q3, the current collection of the power switch tube Q3
Parallel diode D2 between pole and emitter, the diode D2 are connected in parallel with a capacitor C12, and one end of the capacitor C12 is grounded,
The common end of the power switch tube Q1 and the power switch tube Q3 are connected to the first input end of the transformer T1；It is described
The collector of power switch tube Q2 is connected to DC540V input power, and emitter is connected to collector, two pole through diode D3
Pipe D3 is connected in parallel with a capacitor C13, and the emitter of the power switch tube Q2 is connected to the collector of the power switch tube Q4, institute
Parallel diode D4 between the collector and emitter of power switch tube Q4 is stated, the diode D4 is connected in parallel with a capacitor C14, institute
The one end for stating capacitor C14 is grounded, and the common end of the power switch tube Q2 and the power switch tube Q4 are through capacitor C15, inductance
The second input terminal of the transformer T1 is connected to after L8；The first output end of the transformer T1 is connected to the rectifier bridge D5
The first pin, the second pin of the rectifier bridge D5 is connected to power supply HV+, and the second output terminal of the transformer T1 is connected to
The third pin of the rectifier bridge D5, the 4th pin of the rectifier bridge D5 are connected to power supply HV-, and the second of the rectifier bridge D5
Connect a capacitor C16 between pin and the 4th pin, and series resonant full bridge inverter circuit 3 is the core of this static debugging equipment
The heart, in PWM type DC converter, power switch tube IGBT is subjected to certain voltage during turning on and off, and
And also subject to certain electric current, therefore, power switch tube the course of work and open, in turn off process will generate conduction loss,
Turn-on consumption, turn-off power loss and switch junction capacitance charge and discharge loss etc..When the working frequency of converter increases, damage is opened
Consumption, turn-off power loss and switch junction capacitance charge and discharge loss will all increase with the raising of switching frequency, to make converter
Efficiency reduce.Switching tube is open-minded under conditions of voltage is not zero, and turns off under conditions of electric current is not zero and referred to as open firmly
It closes.During turning on and off, parasitic inductance and capacitor in converter circuit will generate very big peak voltage and surge
Electric current, it is also possible to generate stronger electromagnetic interference.After controlled resonant converter, it is open-minded that switching tube is reduced using LC resonance technology
Both end voltage is set to first drop to zero, electric current just starts when power switch tube is opened with the di/dt and du/dt in turn off process
Rise (no-voltage is open-minded), in power switch tube shutdown, so that electric current is first dropped to zero, both end voltage just begins to ramp up (zero electricity
Stream shutdown), the switching loss of converter can be made significantly to reduce in this way, be improved switching frequency, to make converter
In transformer T1 and the volume of filter element greatly reduce, can be mentioned significantly under the premise of keeping converter efficient in this way
The power density of high converter；
The topology of circuit uses the structure of full-bridge (H bridge) phase-shift PWM controlled series resonance, under the control of PWM controller 8
Power switch tube Q1~power switch tube Q4 exports the square wave of 540V or so with certain sequence turn-on and turn-off, H bridge inversion.Phase shift
Series resonant tank and corresponding auxiliary resonant net are controlled, so that switching tube is operated in sofe switch pattern, significantly reduces out
Loss is closed, guarantees the reliability and high conversion efficiency of high-frequency work；The design of high-power high-frequency high-voltage transformer T1 is very crucial,
The parameter of transformer T1 directly influences the key factors such as resonant parameter, power transmission efficiency.Thus using with high saturation magnetic
Induction, high permeability, low-coercivity Superfine crystal material (FeCuNbSiB) be used as transformer core, can not only bear
High power density, and stability is high.Secondary windings uses separate type multistage windings in series in the design of line packet, realizes high frequency transformation
The low drain sense of device, low-temperature-rise, improve reliability.
The high-voltage rectifier 5 includes diode D6, diode D7, diode D8, diode D9, resistance R9 and resistance
R10, the output sample circuit 6 include several capacitors, resistance and inductance L9, the diode D6, diode D7 composition
Series circuit it is in parallel with the series circuit that the diode D8, the diode D9 are formed, the diode D6, two pole
The common end of pipe D7 is connected to the side of the transformer T1, the diode D8, the diode D9 common end be connected to
The other side of the transformer T1, an end of the resistance R9 are connected to the cathode of the diode D8, and the other end is sequentially connected in series electricity
R9a, resistance R9b are hindered until resistance R9n, the other end of the resistance R9n are connected to the anode of the diode D9, the resistance
R9 is connected in parallel with a capacitor C17, and the resistance R9a is connected in parallel with a capacitor C17a, and the resistance R9n is connected in parallel with a capacitor C17n, institute
It states capacitor C17n to be respectively connected to power interface IF, be connected to resistance R15 and be followed by GND, an end of the resistance R10 is connected to described
The cathode of diode D8, the other end are successively grounded after resistance R11, resistance R12, resistance R13 and resistance R14, the resistance
R10 is connected in parallel with a capacitor C18, and the resistance R11 is connected in parallel with a capacitor C19, and the resistance R12 is connected in parallel with a capacitor C20, described
Resistance R13 is connected in parallel with a capacitor C21, and an end of the capacitor C21 is connected to power supply UF, and the cathode of the diode D8 is connected to electricity
Source U0, the power supply U0 are connected to power supply FS by inductance L9, obtain 1kV direct current output using full-bridge rectification, using Hall and
The sampling of resistance progress electric current and voltage.
The 7 operational amplifier U2 of feedback network circuit, operational amplifier U3 and operational amplifier U4, the operation amplifier
The model of device U2, the operational amplifier U3 and the operational amplifier U4 are TL074, and the power supply UF passes through resistance R16
It is connected to the positive input of the operational amplifier U2, the negative input of the operational amplifier U2 is connected to the output,
The output end of the operational amplifier U2 is connected to the negative input of the operational amplifier U3, the operation through resistance R17
The negative input of amplifier U3 is connected to the output through resistance R18, the positive input ground connection of the operational amplifier U3, institute
The output end for stating operational amplifier U3 is connected to the negative input of the operational amplifier U4 through resistance R19, and the operation is put
The negative input of big device U4 is connected to its output end, the capacitance resistance R20 and the capacitor after resistance R20, capacitor C23
The series circuit of C23 composition is connected in parallel with a capacitor C22, and the output end of the operational amplifier U4 is connected to electricity after resistance R21
Source EAP.
This equipment is other than design has overcurrent, overvoltage protection in feedback control, also using mutual inductor to load output and H
Bridge output carries out the sampling of electric current, realizes high voltage arc, high voltage short circuit protection, while examining to the input of H bridge, H bridge arm current
It surveys, realizes under-voltage, power tube damage protection.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of suspension railway vehicle static debugging system, it is characterised in that: the circuit including shell and its internal setting, it is described
Circuit includes input stage circuit (1), current rectifying and wave filtering circuit (2), series resonant full bridge inverter circuit (3), high frequency transforming circuit
(4), high-voltage rectifier (5), output sample circuit (6), feedback network circuit (7), PWM controller (8) and system logic control
Device (9) processed,
The shell is equipped with power input interface, output interface and remotely monitors interface, and AC power source is defeated by the power supply
Incoming interface is connected to the series resonant full bridge inverter circuit through the input stage circuit (1), the current rectifying and wave filtering circuit (2)
(3), the series resonant full bridge inverter circuit (3) exports through the high frequency transforming circuit (4), the high-voltage rectifier (5)
Direct current, the flow direction of direct current are divided into two-way, externally export through the output interface all the way, and another way is sampled by the output
Circuit (6) is electrically connected to the feedback network circuit (7), and information is fed back to the PWM by the feedback network circuit (7) respectively
Controller (8) and the system logic controller (9), the system logic controller (9) is by after the data processing received points
Supplementary biography passs the input stage circuit (1), the long-range monitoring interface and the PWM controller (8), the PWM controller (8)
By treated, data pass to series resonant full bridge inverter circuit (3) the formation closed circuit.
2. a kind of suspension railway vehicle static debugging system according to claim 1, it is characterised in that: the PWM control
The model UCC2895 of device (8).
3. a kind of suspension railway vehicle static debugging system according to claim 1, it is characterised in that: the system logic
The model ZNKZ-005 of controller (9).
4. a kind of suspension railway vehicle static debugging system according to claim 1, it is characterised in that: the input stage electricity
Road (1) includes inductance L1, inductance L2, inductance L3, inductance L4, inductance L5 and inductance L6, the inductance L1 and the inductance L2 string
It is associated on L1A circuitry phase, the inductance L3 and inductance L4 string are on L2A circuitry phase, the inductance L5 and the inductance L6
Be connected on L3A circuitry phase, between the inductance L1 and the inductance L3, between the inductance L3 and the inductance L5, it is described
Between inductance L2 and the inductance L4, a magnetosphere, the inductance L1 are respectively equipped between the inductance L4 and the inductance L6
Power end be grounded through capacitor C3 ground connection, load end through capacitor C6, the power end of the inductance L3 is through capacitor C2 ground connection, load end
It is grounded through capacitor C5, the power end of the inductance L5 is grounded through capacitor C1 ground connection, load end through capacitor C4, and the inductance L2's is negative
It carries end to be grounded through resistance R6, the load end of the inductance L4 is grounded through resistance R5, and the load end of the inductance L6 connects through resistance R4
Ground, series resistance R1 between the resistance R4 and the resistance R6, series resistance R3 between the resistance R6 and the resistance R5,
Series resistance R2 between the resistance R5 and the resistance R4.
5. a kind of suspension railway vehicle static debugging system according to claim 1, it is characterised in that: the rectifying and wave-filtering
Circuit (2) includes rectifier U1, and three AC~ports of the model RS207, the rectifier U1 of the rectifier U1 are used for
Three phase mains is connected, the port DC+ of the rectifier U1 is connected to described after resistance R7, inductance L7, capacitor C7 and capacitor C8
The port DC- of rectifier U1, the capacitor C7 and capacitor C9, resistance R8 are mutually in parallel, the capacitor C8 and capacitor C10, resistance
R9 is mutually in parallel.
6. a kind of suspension railway vehicle static debugging system according to claim 1, it is characterised in that: the series resonance
Full bridge inverter (3) includes power switch tube Q1, power switch tube Q2, power switch tube Q3 and power switch tube Q4, described
High frequency transforming circuit (4) includes transformer T1 and rectifier bridge D5, and the collector of the power switch tube Q1 is connected to DC540V input
Power supply, emitter are connected to collector through diode D1, and the diode D1 is connected in parallel with a capacitor C11, the power switch tube
The emitter of Q1 is connected to the collector of the power switch tube Q3, between the collector and emitter of the power switch tube Q3
Parallel diode D2, the diode D2 are connected in parallel with a capacitor C12, one end ground connection of the capacitor C12, the power switch tube
The common end of Q1 and the power switch tube Q3 are connected to the first input end of the transformer T1；The power switch tube Q2's
Collector is connected to DC540V input power, and emitter is connected to collector, a diode D3 electricity in parallel through diode D3
Hold C13, the emitter of the power switch tube Q2 is connected to the collector of the power switch tube Q4, the power switch tube Q4
Collector and emitter between parallel diode D4, the diode D4 is connected in parallel with a capacitor C14, the one of the capacitor C14
The common end of end ground connection, the power switch tube Q2 and the power switch tube Q4 are connected to described after capacitor C15, inductance L8
The second input terminal of transformer T1；The first output end of the transformer T1 is connected to the first pin of the rectifier bridge D5, institute
The second pin for stating rectifier bridge D5 is connected to power supply HV+, and the second output terminal of the transformer T1 is connected to the rectifier bridge D5
Third pin, the 4th pin of the rectifier bridge D5 is connected to power supply HV-, and the second pin and the 4th of the rectifier bridge D5 is drawn
Connect a capacitor C16 between foot.
7. a kind of suspension railway vehicle static debugging system according to claim 6, it is characterised in that: the high-voltage rectifying
Circuit (5) includes diode D6, diode D7, diode D8, diode D9, resistance R9 and resistance R10, the output sampling electricity
Road (6) include several capacitors, resistance and inductance L9, the diode D6, the diode D7 composition series circuit with it is described
The series circuit of diode D8, the diode D9 composition is in parallel, the common end connection of the diode D6, the diode D7
To the transformer T1 side, the diode D8, the diode D9 common end be connected to the another of the transformer T1
Side, an end of the resistance R9 are connected to the cathode of the diode D8, the other end be sequentially connected in series resistance R9a, resistance R9b until
Resistance R9n, the other end of the resistance R9n are connected to the anode of the diode D9, and the resistance R9 is connected in parallel with a capacitor
C17, the resistance R9a are connected in parallel with a capacitor C17a, and the resistance R9n is connected in parallel with a capacitor C17n, the capacitor C17n difference
It is connected to power interface IF, resistance R15 is connected to and is followed by GND, an end of the resistance R10 is connected to the negative of the diode D8
Pole, the other end are successively grounded after resistance R11, resistance R12, resistance R13 and resistance R14, a resistance R10 electricity in parallel
Hold C18, the resistance R11 is connected in parallel with a capacitor C19, and the resistance R12 is connected in parallel with a capacitor C20, the resistance R13 parallel connection one
A capacitor C21, an end of the capacitor C21 are connected to power supply UF, and the cathode of the diode D8 is connected to power supply U0, the power supply
U0 is connected to power supply FS by inductance L9.
8. a kind of suspension railway vehicle static debugging system according to claim 7, it is characterised in that: the feedback network
Circuit (7) operational amplifier U2, operational amplifier U3 and operational amplifier U4, the operational amplifier U2, the operation amplifier
The model of device U3 and the operational amplifier U4 are TL074, and the power supply UF is connected to the operation amplifier by resistance R16
The negative input of the positive input of device U2, the operational amplifier U2 is connected to the output, the operational amplifier U2's
Output end is connected to the negative input of the operational amplifier U3, the negative sense input of the operational amplifier U3 through resistance R17
End is connected to the output through resistance R18, and the positive input ground connection of the operational amplifier U3, the operational amplifier U3's is defeated
Outlet is connected to the negative input of the operational amplifier U4, the negative input of the operational amplifier U4 through resistance R19
Its output end, the series circuit of the capacitance resistance R20 and capacitor C23 composition are connected to after resistance R20, capacitor C23
It is connected in parallel with a capacitor C22, the output end of the operational amplifier U4 is connected to power supply EAP after resistance R21.
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| CN201811141869.2A CN109302811B (en) | 2018-09-28 | 2018-09-28 | Suspension railway vehicle static debugging system |
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| CN201811141869.2A CN109302811B (en) | 2018-09-28 | 2018-09-28 | Suspension railway vehicle static debugging system |
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