CN109581890A - Accessory power supply analogue system - Google Patents
Accessory power supply analogue system Download PDFInfo
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- CN109581890A CN109581890A CN201811562744.7A CN201811562744A CN109581890A CN 109581890 A CN109581890 A CN 109581890A CN 201811562744 A CN201811562744 A CN 201811562744A CN 109581890 A CN109581890 A CN 109581890A
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- 230000003362 replicative effect Effects 0.000 claims abstract description 57
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 238000004088 simulation Methods 0.000 claims abstract description 22
- 239000003990 capacitor Substances 0.000 claims description 92
- 230000000087 stabilizing effect Effects 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 12
- 230000006837 decompression Effects 0.000 claims description 2
- 239000004579 marble Substances 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 19
- 230000008054 signal transmission Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 239000013078 crystal Substances 0.000 description 5
- 230000009466 transformation Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
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Abstract
The present invention provides a kind of accessory power supply analogue system, comprising: control unit, signal conversion unit and replicating machine, signal conversion unit are electrically connected with control unit and replicating machine respectively；Control unit for sending control instruction to replicating machine, and receives the feedback signal of replicating machine transmission；Signal conversion unit, for being converted to the signal transmitted between control unit and replicating machine；Replicating machine obtains feedback signal for running simulation model, and by feedback signal transmission to control unit；Simulation model includes the different auxiliary power circuit model of at least two circuit topologies and at least one battery charger circuit model.By using the semi-matter simulating system for being suitable for a variety of different topologies, multiple voltage class, it may be implemented to carry out simulating, verifying for the secondary power system of a variety of different automobile types, by using modularized design, general hardware resource is configured in a control unit, the efficient utilization for realizing analogue system, effectively reduces and designs and develops cost.
Description
Technical field
The present invention relates to simulation technical field more particularly to a kind of accessory power supply analogue systems.
Background technique
Rail traffic is with electric energy for main power source, using the traffic system of wheel track operating system.In general, track is handed over
The power-supply system being open to traffic includes trailer system and secondary power system, and secondary power system is by subordinate inverter device and electric power storage
Electric battery electrifier device composition, specifically, subordinate inverter device believe the exchange that the high-voltage dc signal of input is converted to 380V
Number, for load is powered accordingly on train；AC signal is converted to the direct current of 110V or 24V by battery charger device
Signal for load is powered accordingly on train, and charges for battery.
With the rapid development of rail traffic, the requirement to the secondary power system performance of rail traffic vehicles is also constantly mentioned
Height designs and develops cost to save, and shortens the design cycle, often by accessory power supply analogue system to new circuit topology and
New control algolithm is verified.
But accessory power supply analogue system in the prior art is needed for different vehicles and different circuit topologies
It is equipped with different hardware resources, leads to the wasting of resources, designs and develops higher cost.
Summary of the invention
The present invention provides a kind of accessory power supply analogue system, designs and develops cost to reduce.
In a first aspect, the present invention provides a kind of accessory power supply analogue system, comprising: control unit, signal conversion unit and
Replicating machine, the signal conversion unit are electrically connected with described control unit and the replicating machine respectively；
Described control unit, for running accessory power supply control program, Xiang Suoshu replicating machine sends control instruction, and receives
The feedback signal that the replicating machine is sent；
The signal conversion unit, for turning to the signal transmitted between described control unit and the replicating machine
It changes；
The replicating machine obtains feedback signal for running simulation model according to the control instruction, and by the feedback
Signal is transmitted to described control unit；
Wherein, the simulation model includes the different auxiliary power circuit model of at least two circuit topologies and at least one
Battery charger circuit model, the different auxiliary power circuit model of at least two circuit topology are used to multiple electricity
The high-voltage dc signal of pressure grade is converted to low-voltage ac signal, and the battery charger circuit model will be for that will state low pressure friendship
Stream signal is converted to low-voltage dc signal.
Optionally, the different auxiliary power circuit model of at least two circuit topology includes the first auxiliary power circuit
Model；
Wherein, the first auxiliary power circuit model include: first capacitor, the first inversion submodule, the first transformer,
First filtering submodule；
The first capacitor and the input terminal of the first inversion submodule are connected in parallel；
The input terminal of first transformer is connect with the output end of the first inversion submodule, first transformer
Output end by it is described first filtering submodule connected with corresponding load.
Optionally, the first inversion submodule is voltage-type Three-phase full-bridge inverter circuit；
Correspondingly, first transformer is three-phase transformer；
First output end of the first inversion submodule is connect with the first input end of first transformer；
The second output terminal of the first inversion submodule is connect with the second input terminal of first transformer；
The third output end of the first inversion submodule is connect with the third input terminal of first transformer.
Optionally, the first filtering submodule includes: the first filter capacitor, the second filter capacitor and third filtered electrical
Hold；
Wherein, the first output end of first transformer respectively with the first end of first filter capacitor, described
The first end of two filter capacitors connects；
The second output terminal of first transformer respectively with the second end of first filter capacitor, third filter capacitor
First end connection；
The third output end of first transformer respectively with the second end of second filter capacitor, third filter capacitor
Second end connection.
Optionally, at least one described battery charger circuit model includes the first battery charger circuit model；
Wherein, the first battery charger circuit model includes: the first rectification submodule, the first pressure stabilizing current limliting submodule
Block, the second inversion submodule, the second capacitor, the second transformer, the second rectification submodule, third capacitor；
The first rectification submodule, the first pressure stabilizing current limliting submodule and the second inversion submodule parallel connection connect
It connects；
First output end of the second inversion submodule passes through second capacitor and the first of second transformer
Input terminal connection, the second output terminal of the second inversion submodule are connect with the second input terminal of second transformer；
First output end of second transformer is connect with the first input end of the second rectification submodule, and described the
The second output terminal of two transformers is connect with the second input terminal of the second rectification submodule；
First output end of the second rectification submodule, second output terminal are respectively connected to the two of the third capacitor
End, the both ends of the third capacitor are also connected with corresponding load.
Optionally, the first battery charger circuit model further includes fuse；
First output end, the third capacitor of the both ends of the fuse respectively with the second rectification submodule connect
It connects.
Optionally, the first pressure stabilizing current limliting submodule includes: first resistor and the 4th capacitor；
The first resistor, the 4th capacitor are connected in parallel with the second inversion submodule.
Optionally, the different auxiliary power circuit model of at least two circuit topology includes the second auxiliary power circuit
Model；
Wherein, the second auxiliary power circuit model include: the second pressure stabilizing current limliting submodule, buck chopper submodule,
First inductance, the 5th capacitor, third inversion submodule, the second filtering submodule；
The first end of the buck chopper submodule is connect with the first end of the second pressure stabilizing current limliting submodule, the drop
The second end of pressure copped wave submodule is connect with the first end of first inductance；
The first end of 5th capacitor respectively with the second end of first inductance, the third inversion submodule
The connection of one input terminal；
The second end of the second pressure stabilizing current limliting submodule, the third end of the buck chopper submodule, the 5th electricity
The second end of appearance, the third inversion submodule the second input terminal be connected to the first tie point；
The output end of the third inversion submodule is connected to corresponding load by the second filtering submodule.
Optionally, the second pressure stabilizing current limliting submodule includes: the 6th capacitor and second resistance；
The first end of 6th capacitor with by the second resistance be connected to the first of the buck chopper submodule
End；
The second end of 6th capacitor is connected to first tie point.
Optionally, the signal conversion unit includes: Voltage to current transducer subelement and photoelectric conversion subelement；
The Voltage to current transducer subelement is electrically connected with the control control unit and the replicating machine respectively, described
Voltage to current transducer subelement is used to the feedback signal that the replicating machine is sent being converted to current signal, and the electric current is believed
Number it is transferred to described control unit；
The photoelectric conversion subelement is electrically connected with described control unit and the replicating machine respectively, the photoelectric conversion
Subelement is used to be converted to the electric signal that described control unit is sent simulation control instruction, and the simulation control instruction is passed
It is defeated by the replicating machine.
The present invention provides a kind of accessory power supply analogue system, comprising: control unit, signal conversion unit and replicating machine, letter
Number converting unit is electrically connected with control unit and replicating machine respectively；Control unit, for running accessory power supply control program, to
Replicating machine sends control instruction, and receives the feedback signal of replicating machine transmission；Signal conversion unit is used for control unit and imitates
The signal transmitted between prototype is converted；Replicating machine obtains feedback signal for running simulation model according to control instruction, and
By feedback signal transmission to control unit；Wherein, simulation model includes the different auxiliary power circuit of at least two circuit topologies
Model and at least one battery charger circuit model, the different auxiliary power circuit model of at least two circuit topologies are used
In the high-voltage dc signal of multiple voltage class is converted to low-voltage ac signal, battery charger circuit model will be for that will state
Low-voltage ac signal is converted to low-voltage dc signal.It is real by using be suitable for two kinds of different topologies, multiple voltage class half
Object analogue system may be implemented to carry out simulating, verifying for the secondary power system of a variety of different automobile types, by using modularization
Design, configures general hardware resource in a control unit, realizes the efficient utilization of analogue system, effectively reduce and design and develop
Cost shortens the design cycle.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do one simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the power-supply system of rail traffic vehicles；
Fig. 2 is the structural schematic diagram of accessory power supply emulation system embodiment one provided by the invention；
Fig. 3 is the structural schematic diagram of accessory power supply emulation system embodiment two provided by the invention；
Fig. 4 is the structural schematic diagram of the first auxiliary power circuit model provided by the invention；
Fig. 5 is the structural schematic diagram of the second auxiliary power circuit model provided by the invention；
Fig. 6 is the structural schematic diagram of battery charger model provided by the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is the structural schematic diagram of the power-supply system of rail traffic vehicles.As shown in Figure 1, the power-supply system 10 includes: to lead
Draw system 11 and secondary power system 12.Wherein, trailer system 11 is used to the electric energy that DC bus inputs being converted to kinetic energy, from
And kinetic energy is provided for rail traffic vehicles；Secondary power system 12 is by subordinate inverter device 121 and battery charger device
122 compositions, specifically, the high-voltage signal of input is converted to the AC signal of 380V by subordinate inverter device 121, is on train
Corresponding load is powered；AC signal is converted to the direct current signal of 110V or 24V by battery charger device 122, is
Load is powered accordingly on train, and is charged for battery.
In actual secondary power system, auxiliary inversion device can be used for by 1800V, 2800V, 3200V, 1500V,
The high-voltage dc signal of 750V is converted to the AC signal of 380V, and battery charger device is used to turn the AC signal of 380V
It is changed to the low-voltage dc signal of 110V or 24V.
In the power-supply system of rail traffic vehicles, secondary power system has extremely important effect, auxiliary in order to improve
Help the performance of power-supply system, can preferably meet demand, therefore, it is necessary to the circuit topologies and control of designing and developing new to calculate
Method designs and develops cost to save, and shortens the design cycle, the accessory power supply analogue system of the more than half material objects of normal open is to new circuit
Topology, the hardware resource of control unit configuration and new control algolithm are verified, and are the design of secondary power system product
Exploitation, performance boost provide strong theory support and verifying.
But accessory power supply analogue system in the prior art, it is typically based on a vehicle, a circuit topology, is configured
Corresponding hardware resource designs and develops verifying for new circuit topology, control algolithm.It is opened up for different vehicle and circuit
It flutters and needs to be equipped with different hardware resources and result in the wasting of resources, and cause development cost higher.
Therefore, the present invention proposes a kind of accessory power supply analogue system, to solve problems of the prior art.
Fig. 2 is the structural schematic diagram of accessory power supply emulation system embodiment one provided by the invention.As shown in Fig. 2, this reality
The system 20 for applying example includes: control unit 21, signal conversion unit 22 and replicating machine 23, wherein signal conversion unit 22 is distinguished
It is electrically connected with control unit 21 and replicating machine 23.
Control unit 21 sends control instruction to replicating machine 23, and receive emulation for running accessory power supply control program
The feedback signal that machine 23 is sent；
It is understood that control unit 21 can be realization secondary power system control function on rail traffic vehicles
Solid element, in the present invention, control unit 21 have sufficient Redundancy Design, can satisfy a variety of circuit topological structures to letter
Number requirement.
Signal conversion unit 22, for being converted to the signal transmitted between control unit 21 and replicating machine 23, so that
Have between control unit 21 and replicating machine 23 and well docks.
Specifically, the operating voltage and operating current for the modules for including due to control unit 21 are higher, and replicating machine
The operating voltage of each circuit board and operating current are lower in 23, signal transmission cannot be directly carried out therebetween, therefore, using letter
Number converting unit 22 converts the signal transmitted between control unit 21 and replicating machine 23.
Replicating machine 23 obtains feedback signal for running simulation model according to control instruction, and extremely by feedback signal transmission
Control unit 21, wherein simulation model includes the different auxiliary power circuit model of at least two circuit topologies and at least one
Battery charger circuit model, the different auxiliary power circuit model of at least two circuit topologies are used to multiple voltages etc.
The high-voltage dc signal of grade is converted to low-voltage ac signal, and battery charger circuit model turns for that will state low-voltage ac signal
It is changed to low-voltage dc signal.
In the present invention, auxiliary power circuit model is the corresponding model of circuit topology assisted in inverter, Mei Gefu
Help power circuit model that the high-voltage dc signal by different voltages grade is used equally for be converted to low-voltage ac signal, battery fills
The motor circuit model corresponding model of circuit topology in machine device to charge the battery, each battery charger circuit model
It is used equally for the low-voltage ac signal by different voltages grade to be converted to low-voltage dc signal.
Specifically, replicating machine 23 can run the different auxiliary of at least two circuit topology of isolated operation according to control instruction
Any one in power circuit model, alternatively, any one at least one battery charger circuit model of isolated operation
It is a, alternatively, running any one auxiliary power circuit model and any one battery charger circuit model simultaneously.Replicating machine
23 running auxiliary power circuit model and/or being capable of efficient each section in observation circuit during battery charger model
The signal intensity of point, and generates feedback signal, and later, replicating machine 23 is by the feedback signal transmission of generation to signal conversion unit
22, signal conversion unit 22 is by the feedback signal transmission after conversion to control unit 21.
Further, the feedback signal after control unit 21 can be converted is analyzed, and obtains dry run as a result, and will
Dry run in corresponding display component or is shown on screen as the result is shown, so as to design and develop personnel according to dry run result
It adjusts accessory power supply and controls program.
Accessory power supply analogue system provided in this embodiment, comprising: control unit, signal conversion unit and replicating machine, letter
Number converting unit is electrically connected with control unit and replicating machine respectively；Control unit, for running accessory power supply control program, to
Replicating machine sends control instruction, and receives the feedback signal of replicating machine transmission；Signal conversion unit is used for control unit and imitates
The signal transmitted between prototype is converted；Replicating machine obtains feedback signal for running simulation model according to control instruction, and
By feedback signal transmission to control unit；Wherein, simulation model includes the different auxiliary power circuit of at least two circuit topologies
Model and at least one battery charger circuit model, the different auxiliary power circuit model of at least two circuit topologies are used
In the high-voltage dc signal of multiple voltage class is converted to low-voltage ac signal, battery charger circuit model will be for that will state
Low-voltage ac signal is converted to low-voltage dc signal.It is real by using be suitable for two kinds of different topologies, multiple voltage class half
Object analogue system may be implemented to carry out simulating, verifying for the secondary power system of a variety of different automobile types, by using modularization
Design, configures general hardware resource in a control unit, realizes the efficient utilization of analogue system, effectively reduce and design and develop
Cost shortens the design cycle.
Fig. 3 is the structural schematic diagram of accessory power supply emulation system embodiment two provided by the invention.As shown in figure 3, this reality
On the basis of the embodiment shown in Fig. 2 of system 30 for applying example, signal conversion unit 22 includes: Voltage to current transducer subelement 221
With photoelectric conversion subelement 222.
Voltage to current transducer subelement 221 is electrically connected with control unit 21 and replicating machine 23 respectively, Voltage to current transducer
Subelement 221 is used to be converted to the feedback signal that replicating machine 23 is sent current signal, and current signal is transferred to control list
Member 21.
Voltage to current transducer subelement 221 in the present embodiment is similar to the voltage sensor in practical secondary power system
And current sensor, in practical secondary power system, voltage sensor and current sensor acquire auxiliary inversion device and storage
The voltage of each node, current signal in battery charger, collected voltage, current signal can be transmitted to corresponding control
Unit processed.
Photoelectric conversion subelement 222 is electrically connected with control unit 21 and replicating machine 23 respectively, photoelectric conversion subelement 222
Electric signal for sending control unit 21 is converted to simulation control instruction, and simulation control instruction is transferred to replicating machine
23。
In accessory power supply analogue system provided in this embodiment, signal conversion unit includes: Voltage to current transducer subelement
With photoelectric conversion subelement, Voltage to current transducer subelement is used to the feedback signal that replicating machine is sent being converted to current signal,
And current signal is transferred to control unit, photoelectric conversion subelement is used to the electric signal that control unit is sent being converted to simulation
Control instruction, and simulation control instruction is transferred to replicating machine.Using modular mode, to signal with different type using different
Unit handled, to improve the operation efficiency of entire accessory power supply analogue system, improve the real-time of emulation.
It include the different auxiliary power circuit of at least two circuit topologies in Fig. 2, embodiment illustrated in fig. 3, in replicating machine
Model and at least one battery charger circuit model, below by some specific embodiments to the auxiliary electricity in replicating machine
Source electricity circuit model and battery charger circuit model describe in detail.
Fig. 4 is the structural schematic diagram of the first auxiliary power circuit model provided by the invention.As shown in figure 4, the present embodiment
In auxiliary power circuit model 40 include: first capacitor C1, the first inversion submodule 41, the first transformer 42, first filtering
Submodule 43.
First capacitor C1 and the input terminal of the first inversion submodule 41 are connected in parallel.
Specifically, due to input voltage due to extraneous interference it is possible that fluctuation, be arranged in the front end of circuit
First capacitor C1 can effectively improve the stability and reliability of auxiliary inversion device for stablizing input voltage.First inversion
Submodule 41 is used to the high-voltage dc signal of input being converted to low voltage pulse signal.
Further, the input terminal of the first transformer 42 is connect with the output end of the first inversion submodule 41, the first transformation
The output end of device 42 is connected by the first filtering submodule 43 with corresponding load.Specifically, not only by the first transformer 42
Voltage conversion can be carried out to the low voltage pulse signal that the first inversion submodule 41 exports, additionally it is possible to effectively progress electrical isolation.
Later, processing of the low voltage pulse signal Jing Guo first filter after carrying out voltage conversion, to export target low-pressure exchange letter
Number, for example, the low-voltage ac signal of output 380V.
In some embodiments, the first inversion submodule 41 is voltage-type Three-phase full-bridge inverter circuit, and control unit is logical
It crosses to replicating machine and is sent in control instruction, control each insulated gate bipolar transistor in Three-phase full-bridge inverter circuit
The switch time of (Insulated Gate Bipolar Transistor, referred to as: IGBT), to realize multiple and different electricity
The high-voltage dc signal of pressure grade is converted to low-voltage ac signal.
Correspondingly, the first transformer 42 is three-phase transformer, and the first output end of the first inversion submodule 41 and first become
The first input end of depressor 42 connects, the second input terminal of the second output terminal of the first inversion submodule 41 and the first transformer 42
Connection, the third output end of the first inversion submodule 41 are connect with the third input terminal of the first transformer 42.
In some embodiments, the first filtering submodule 43 includes: the first filter capacitor Ca1, the second filter capacitor Ca2 Hes
Third filter capacitor Ca3, wherein the first output end of the first transformer 42 respectively with the first filter capacitor Ca1 first end,
Two filter capacitor Ca2 first end connection, the second output terminal of the first transformer 42 respectively with the first filter capacitor CaThe second of 1
End, third filter capacitor Ca3 first end connection, the third output end of the first transformer 42 respectively with the second filter capacitor Ca2
Second end, third filter capacitor Ca3 second end connection.
It should be noted that the first auxiliary power circuit model 40 shown in the present embodiment can be used for medium voltage is
The secondary power system of the city rail vehicle of the rolling stock and 1500V, 750V of 1800V, 2800V, 3200V.
In the present embodiment, the first auxiliary power circuit model includes: first capacitor, the first inversion submodule, the first transformation
Device, the first filtering submodule, first capacitor and the input terminal of the first inversion submodule are connected in parallel, the input terminal of the first transformer
It is connect with the output end of the first inversion submodule, the output end of the first transformer passes through the first filtering submodule and corresponding load
Connection.It can be used in the auxiliary that the high-voltage dc signal of multiple and different voltage class is converted to low-voltage ac signal by foundation
Power circuit model, and control unit is combined to carry out efficient verification to circuit topology and corresponding control program, thus effectively
Cost is designed and developed in reduction, and the period is designed and developed in shortening.
Next, introducing a kind of auxiliary different from the circuit topology of auxiliary power circuit model of embodiment illustrated in fig. 4
Power circuit model.
Fig. 5 is the structural schematic diagram of the second auxiliary power circuit model provided by the invention.As shown in figure 5, the present embodiment
Shown in the second auxiliary power circuit model 50 include: the second pressure stabilizing current limliting submodule 51, the electricity of buck chopper submodule 52, first
Feel L1, the 5th capacitor C5, third inversion submodule 54, second and filters submodule 55.
Wherein, the first end of buck chopper submodule 52 is connect with the first end of the second pressure stabilizing current limliting submodule 51, decompression
The second end of copped wave submodule 52 is connect with the first end of the first inductance L1.Specifically, the second pressure stabilizing current limliting submodule 51 is used for
Stablize input voltage, and limit the electric current of input back-end circuit, to play the role of protecting secondary power system.Buck chopper
Submodule 52 is used to the high-voltage dc signal of input being converted to preset low-voltage dc signal.
In some embodiments, buck chopper submodule 52 is made of IGBTVT1 and crystal diode VD1, IGBTVT1
First end connect with the first end of the second pressure stabilizing current limliting submodule 51, the second end of IGBTVT1 and crystal diode VD1's is negative
Pole connection, the second end of IGBTVT1 are additionally coupled to the first end of the first inductance L1, and the anode of crystal diode VD1 and second is surely
Press the second end connection of current limliting submodule 51.
In some embodiments, the second pressure stabilizing current limliting submodule 51 includes: the 6th capacitor C6 and second resistance R2, and the 6th
The first end of capacitor C6 and the first end that buck chopper submodule 52 is connected to by second resistance R2, the second of the 6th capacitor C6
End is connected to the first tie point A.Specifically, the 6th capacitor C6 is for stablizing input voltage, and second resistance R2 is for limiting input
The electric current of back-end circuit, to play the role of protecting secondary power system.
It is, of course, understood that the second pressure stabilizing current limliting submodule 51 can also be realized by other means.
The second end with the first inductance L1 excessively, the first of third inversion submodule 54 are defeated respectively for the first end of 5th capacitor C5
Enter end connection, further, the second end of the second pressure stabilizing current limliting submodule 51, the third end of buck chopper submodule 52, the 5th electricity
Second input terminal of the second end, third inversion submodule 54 of holding C5 is connected to the first tie point A, third inversion submodule 54
Output end by second filtering submodule 55 be connected to corresponding load.Wherein, the 5th capacitor C5 is used for buck chopper
The signal that module 52 exports is adjusted, and makes output voltage stabilization, and third inversion submodule 54 is used for the direct current signal that will be inputted
AC signal is converted to, the AC signal that the second filtering submodule 55 is used to export third inversion submodule 54 is filtered,
To obtain target AC signal.In the present embodiment, third inversion submodule 54 is inverse for the Three-phase full-bridge being made of 6 IGBT
Power transformation road.
In some embodiments, second filtering submodule 55 include: the second inductance L2, third inductance L3, the 4th inductance L4,
7th capacitor C7, the 8th capacitor C8 and the 9th capacitor C9.Specifically, the first output end of third inversion submodule 54 passes through the
Two inductance L2 are connected to the first end of the 7th capacitor C7 and the first end of the 8th capacitor C8, and the first of third inversion submodule 54
Output end is additionally coupled to load by the second inductance L2；The second output terminal of third inversion submodule 54 is connected by third inductance L3
It is connected to the second end of the 7th capacitor C7 and the first end of the 9th capacitor C9, the second output terminal of third inversion submodule 54 passes through
Third inductance L3 is additionally coupled to load；The third output end of third inversion submodule 54 is connected to the 9th electricity by the 4th inductance L4
Hold the second end of C9 and the second end of the 8th capacitor C8, the third output end of third inversion submodule 54 passes through the 4th inductance L4
It is additionally coupled to load.
It should be noted that the second auxiliary power circuit model 50 shown in the present embodiment can be used for intermediate input voltage is
The secondary power system of the city rail vehicle of the rolling stock and 1500V, 750V of 1800V.
In the present embodiment, the second auxiliary power circuit model includes: the second pressure stabilizing current limliting submodule, buck chopper submodule
Block, the first inductance, the 5th capacitor, third inversion submodule, the second filtering submodule；The first end of buck chopper submodule and steady
The first end connection of current limliting submodule is pressed, the second end of buck chopper submodule is connect with the first end of the first inductance；5th electricity
The second end with the first inductance, the first input end of third inversion submodule connect the first end of appearance respectively；Second pressure stabilizing current limliting
The second end of submodule, the third end of buck chopper submodule, the second end of the 5th capacitor, third inversion submodule it is second defeated
Enter end and is connected to the first tie point；The output end of third inversion submodule is connected to corresponding negative by the second filtering submodule
It carries.It can be used in the auxiliary electricity that the high-voltage dc signal of multiple and different voltage class is converted to low-voltage ac signal by foundation
Source circuit model, and control unit is combined to carry out efficient verification to circuit topology and corresponding control program, to effectively drop
Low to design and develop cost, the period is designed and developed in shortening.
Fig. 6 is the structural schematic diagram of battery charger circuit model provided by the invention.As shown in fig. 6, the first electric power storage
Electric battery electrifier circuit model 60 includes: the first rectification submodule 61, the first pressure stabilizing current limliting submodule 62, the second inversion submodule
63, the second capacitor C2, the second transformer 64, second rectify submodule 65, third capacitor C3.
First rectification submodule 61, the first pressure stabilizing current limliting submodule 62 and the second inversion submodule 63 are connected in parallel, the
One rectification submodule 61 is used to be converted to the AC signal of input direct current signal, and the first pressure stabilizing current limliting submodule 62 is for stablizing
Input voltage, and the electric current of input back-end circuit is limited, to play the role of protecting battery charger device.The present embodiment
In, since the alternating current of input is three phase mains, the first rectification submodule 61 is complete to be made of 6 crystal diodes
Wave rectification circuit, connection type are as shown in Figure 6.Certainly, the first rectification submodule of the present embodiment can also pass through its other party
The rectification circuit of formula is realized.
A kind of possible implementation, the first pressure stabilizing current limliting submodule 62 include: first resistor R1 and the 4th capacitor C4, and
One resistance, the 4th capacitor and the second inversion submodule 63 are connected in parallel.
It is understood that other modes realization also can be used in the first pressure stabilizing current limliting submodule 62, it can as long as having
Stablize input voltage, and limits the function of the electric current of input back-end circuit.
First output end of the second inversion submodule 63 passes through the first input end of the second capacitor C2 and the second transformer 64
Connection, the second output terminal of the second inversion submodule 63 are connect with the second input terminal of the second transformer 64, the second inversion submodule
Block 63 is used to be converted to the direct current signal of input AC signal, and the second capacitor C2 is for the friendship to the second transformer 64 is input to
Stream signal is adjusted, and is stablized with ensuring to be input to the AC signal of the second transformer 64.
First output end of the second transformer 64 is connect with the first input end of the second rectification submodule 65, the second transformer
64 second output terminal is connect with the second input terminal of the second rectification submodule 65, the first output of the second rectification submodule 65
End, second output terminal are respectively connected to the both ends of third capacitor C3, and the both ends of third capacitor C3 are also connected with corresponding load.Tool
Body, the second transformer 64 is used to carry out voltage transformation to the AC signal of input, and transformed AC signal is input to second
It rectifying in submodule 65, the transformed AC signal of input is transformed to direct current signal by the second rectification submodule 65, thus
To target direct current signal.
In some embodiments, the second inversion submodule 63 is single-phase inversion bridge circuit, which includes
Four IGBT, in actual application, control unit controls the second inversion submodule 63 by sending control instruction to replicating machine
In IGBT switch time, the 380V AC signal of input is converted to the direct current signal of 110V or 24V to realize.
The circuit as shown in the present embodiment is used to export direct current signal, the second rectification submodule 65 can be used by 4
The rectification circuit of a crystal diode composition, connection type are as shown in Figure 6.
Optionally, above-mentioned first battery charger circuit model 60, further includes: fuse 65 (is not shown) in Fig. 6.
The both ends of fuse 65 are connect with the first output end, the third capacitor C3 of the second rectification submodule 65 respectively, are fused
Device 65 can make melt fuse, so as to disconnecting circuit when exporting electric current more than specified value with the heat that itself is generated.
In the present embodiment, the first battery charger circuit model includes: the first rectification submodule, the first pressure stabilizing current limliting
Module, the second inversion submodule, the second capacitor, the second transformer, the second rectification submodule, third capacitor；First rectification submodule
Block, the first pressure stabilizing current limliting submodule and the second inversion submodule are connected in parallel；First output end of the second inversion submodule is logical
It crosses the second capacitor to connect with the first input end of the second transformer, the second output terminal and the second transformer of the second inversion submodule
The second input terminal connection；First output end of the second transformer is connect with the first input end of the second rectification submodule, and second
The second output terminal of transformer is connect with the second input terminal of the second rectification submodule；First output of the second rectification submodule
End, second output terminal are respectively connected to the both ends of third capacitor, and the both ends of third capacitor are also connected with corresponding load.By building
It is vertical to can be used in filling the battery for the low-voltage dc signal that the low-voltage ac signal of input is converted to multiple and different voltage class
Motor circuit model, and control unit is combined to carry out efficient verification to circuit topology and corresponding control program, thus effectively
Cost is designed and developed in reduction, and the period is designed and developed in shortening.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of accessory power supply analogue system characterized by comprising control unit, signal conversion unit and replicating machine, it is described
Signal conversion unit is electrically connected with described control unit and the replicating machine respectively；
Described control unit, for running accessory power supply control program, Xiang Suoshu replicating machine sends control instruction, and described in reception
The feedback signal that replicating machine is sent；
The signal conversion unit, for being converted to the signal transmitted between described control unit and the replicating machine；
The replicating machine obtains feedback signal for running simulation model according to the control instruction, and by the feedback signal
It is transmitted to described control unit；
Wherein, the simulation model includes the different auxiliary power circuit model of at least two circuit topologies and at least one electric power storage
Electric battery electrifier circuit model, the different auxiliary power circuit model of at least two circuit topology are used to multiple voltages etc.
The high-voltage dc signal of grade is converted to low-voltage ac signal, and the battery charger circuit model will be for that will state low-voltage alternating-current letter
Number be converted to low-voltage dc signal.
2. system according to claim 1, which is characterized in that the different accessory power supply electricity of at least two circuit topology
Road model includes the first auxiliary power circuit model；
Wherein, the first auxiliary power circuit model includes: first capacitor, the first inversion submodule, the first transformer, first
Filter submodule；
The first capacitor and the input terminal of the first inversion submodule are connected in parallel；
The input terminal of first transformer is connect with the output end of the first inversion submodule, first transformer it is defeated
Outlet is connected by the first filtering submodule with corresponding load.
3. system according to claim 2, which is characterized in that the first inversion submodule is voltage-type Three-phase full-bridge
Inverter circuit；
Correspondingly, first transformer is three-phase transformer；
First output end of the first inversion submodule is connect with the first input end of first transformer；
The second output terminal of the first inversion submodule is connect with the second input terminal of first transformer；
The third output end of the first inversion submodule is connect with the third input terminal of first transformer.
4. system according to claim 3, which is characterized in that it is described first filtering submodule include: the first filter capacitor,
Second filter capacitor and third filter capacitor；
Wherein, the first output end of first transformer is filtered with the first end of first filter capacitor, described second respectively
The first end of wave capacitor connects；
The second output terminal of first transformer respectively with the second end of first filter capacitor, third filter capacitor
One end connection；
The third output end of first transformer respectively with the second end of second filter capacitor, third filter capacitor
The connection of two ends.
5. system according to claim 1, which is characterized in that at least one described battery charger circuit model includes
First battery charger circuit model；
Wherein, the first battery charger circuit model include: the first rectification submodule, the first pressure stabilizing current limliting submodule,
Second inversion submodule, the second capacitor, the second transformer, the second rectification submodule, third capacitor；
The first rectification submodule, the first pressure stabilizing current limliting submodule and the second inversion submodule are connected in parallel；
The first input that first output end of the second inversion submodule passes through second capacitor and second transformer
End connection, the second output terminal of the second inversion submodule are connect with the second input terminal of second transformer；
First output end of second transformer is connect with the first input end of the second rectification submodule, and described second becomes
The second output terminal of depressor is connect with the second input terminal of the second rectification submodule；
First output end of the second rectification submodule, second output terminal are respectively connected to the both ends of the third capacitor, institute
The both ends for stating third capacitor are also connected with corresponding load.
6. system according to claim 5, which is characterized in that the first battery charger circuit model further includes melting
Disconnected device；
The both ends of the fuse rectify the first output end of submodule, the third capacitance connection with described second respectively.
7. system according to claim 5, which is characterized in that the first pressure stabilizing current limliting submodule includes: first resistor
With the 4th capacitor；
The first resistor, the 4th capacitor are connected in parallel with the second inversion submodule.
8. system according to claim 1, which is characterized in that the different accessory power supply electricity of at least two circuit topology
Road model includes the second auxiliary power circuit model；
Wherein, the second auxiliary power circuit model includes: the second pressure stabilizing current limliting submodule, buck chopper submodule, first
Inductance, the 5th capacitor, third inversion submodule, the second filtering submodule；
The first end of the buck chopper submodule is connect with the first end of the second pressure stabilizing current limliting submodule, and the decompression is cut
The second end of marble module is connect with the first end of first inductance；
The first end of 5th capacitor respectively with the second end of first inductance, the third inversion submodule it is first defeated
Enter end connection；
The second end of the second pressure stabilizing current limliting submodule, the third end of the buck chopper submodule, the 5th capacitor
Second end, the third inversion submodule the second input terminal be connected to the first tie point；
The output end of the third inversion submodule is connected to corresponding load by the second filtering submodule.
9. system according to claim 8, which is characterized in that the second pressure stabilizing current limliting submodule includes: the 6th capacitor
And second resistance；
The first end of 6th capacitor and the first end that the buck chopper submodule is connected to by the second resistance；
The second end of 6th capacitor is connected to first tie point.
10. system according to claim 1, which is characterized in that the signal conversion unit includes: Voltage to current transducer
Unit and photoelectric conversion subelement；
The Voltage to current transducer subelement is electrically connected with the control control unit and the replicating machine respectively, the voltage
Electric current conversion subunit is used to the running simulation signal that the replicating machine is sent being converted to current signal, and the electric current is believed
Number it is transferred to described control unit；
The photoelectric conversion subelement is electrically connected with described control unit and the replicating machine respectively, and photoelectric conversion is single
The simulation control instruction is transferred to by member for the electric signal that described control unit is sent to be converted to simulation control instruction
The replicating machine.
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| CN201811562744.7A CN109581890A (en) | 2018-12-20 | 2018-12-20 | Accessory power supply analogue system |
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| CN201811562744.7A CN109581890A (en) | 2018-12-20 | 2018-12-20 | Accessory power supply analogue system |
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