CN109286327A - A kind of charger module - Google Patents
A kind of charger module Download PDFInfo
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- CN109286327A CN109286327A CN201811135947.8A CN201811135947A CN109286327A CN 109286327 A CN109286327 A CN 109286327A CN 201811135947 A CN201811135947 A CN 201811135947A CN 109286327 A CN109286327 A CN 109286327A
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- 239000002131 composite material Substances 0.000 claims abstract description 117
- 239000002184 metal Substances 0.000 claims abstract description 55
- 229910052751 metal Inorganic materials 0.000 claims abstract description 55
- 230000009466 transformation Effects 0.000 claims abstract description 44
- 230000005611 electricity Effects 0.000 claims abstract description 23
- 239000003990 capacitor Substances 0.000 claims description 90
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 44
- 229910052802 copper Inorganic materials 0.000 claims description 44
- 239000010949 copper Substances 0.000 claims description 44
- 230000006837 decompression Effects 0.000 claims description 7
- 210000003746 feather Anatomy 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 abstract description 10
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- 239000000203 mixture Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
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- 238000005194 fractionation Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000003276 anti-hypertensive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 239000006185 dispersion Substances 0.000 description 2
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- 230000003137 locomotive effect Effects 0.000 description 2
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Classifications
-
- 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
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
Abstract
The present invention provides a kind of charger module, including metal framework, and input rectifying unit, IGBT unit, fit voltage transformation unit and output rectification unit are equipped in the metal framework.Input rectifying unit is used to the three-phase alternating current flowed through being rectified into direct current, the DC inverter that IGBT unit is used to export input rectifying unit is alternating current, the alternating current that fit voltage transformation unit is used to export IGBT unit is depressured, IGBT unit is connected with input rectifying unit, fit voltage transformation unit by inversion composite bus bar respectively, output rectification unit, at direct current electricity output, exports rectification unit and is connected with fit voltage transformation unit by rectifying composite bus bar for the AC rectification after being depressured.The connection between each device is realized by rectification composite bus bar and inversion composite bus bar, effectively solve the electrical problems such as high frequency electric source common electromagnetic compatibility, eddy current magnetism and high impedance, keep the operation of charger module more reliable and more stable, and there is compatibility and applicability well.
Description
Technical field
The present invention relates to vehicle transmission & distribution electro-technical field more particularly to a kind of charger modules.
Background technique
In recent years, as the traction current transformation system of EMU, locomotive, city rail vehicle gradually develops to modularization, hardware and software platform,
Power concentration formula traction current transformation system product has become for the emphasis of many enterprise developments, this power concentration formula traction current transformation system
System is exactly that pull-in control system, secondary power system, charger power-supply system are integrated into a system, forms a unit one
The product pattern of system.Charge power supply system is mainly used for realizing to vehicle-mounted as one of important component in above system
The function of battery charging and vehicle low-voltage direct load supplying, and the superiority and inferiority degree direct influence of charger modularized design
The designed reliability of entire charger power-supply system.
Currently, patent (CN205142024U) discloses a kind of railcar rectifier cabinet, mould is mainly controlled by cabinet body, power supply
Block and main circuit module composition, main circuit module are used to become three-phase alternating current the direct current of required voltage class, play confession
The effect of electricity, for the charger module section of the rectifier cabinet, the main circuit module is mainly by contactor resistive module, input rectifying
Module, slow play electricity resistive module, IGBT (insulated gate bipolar transistor) module, is depressured isolation module, is defeated support capacitance module
Rectification module and output filter module composition out, wherein input rectifying module is connected with contactor resistive module, Support Capacitor
Module is connected with input rectifying module, and slow play electricity resistive module and support capacitance module are in parallel and are connected to input rectifying module
On, IGBT module and slow discharge resistance, support capacitance module are connected in parallel in input rectifying module, it is depressured isolation module, with
IGBT module is connected, and output rectification module is connected with decompression isolation module, output filter module and output rectification module phase
Parallel connection, the intermodule that when installation is in the same plane are linked together by copper bar, and the intermodule prevented is dispersed in cabinet to be needed
It is connected with each other by conducting wire.
However, the interconnection of each intermodule in charger system is realized using copper bar or conducting wire, since copper bar is connecting
When the more stray inductance that will increase circuit of existing bending, higher due to voltage spikes is generated when switching IGBT module, thus
Biggish electromagnetic interference is caused, electromagnetic compatibility is led to the problem of；In addition work of the circuit for using conducting wire to connect in high switching frequency
With the lower state that high impedance can be presented, it is unfavorable for rectifying control, and certain conducting wires are also easy to produce when passing through metal plate link block
Eddy current magnetism increases cable ambient temperature, and there are insecure hidden danger, these above-mentioned electrical problems influence whether charger
The reliability of power-supply system in operation.
Summary of the invention
The present invention provides a kind of charger module, to solve to realize module using copper bar or conducting wire in existing charger system
Between connection, charger high switching frequency effect under, easily generation electromagnetic compatibility, high impedance, eddy current magnetism phenomena such as, influence
The problem of reliability of operation.
The present invention provides a kind of charger module, including metal framework, be equipped in the metal framework input rectifying unit,
IGBT unit, fit voltage transformation unit and output rectification unit；
Wherein, the input rectifying unit is for the three-phase alternating current inputted in the input rectifying unit to be rectified into directly
Galvanic electricity；
The DC inverter that the IGBT unit is used to export the input rectifying unit is alternating current；
The alternating current that the zoarium voltage transformation unit is used to export the IGBT unit is depressured, and the IGBT unit is distinguished
It is connected with the input rectifying unit and the fit voltage transformation unit by inversion composite bus bar；
The output rectification unit is for the AC rectification after being depressured at direct current electricity output, the output rectification unit
It is connected with the fit voltage transformation unit by rectifying composite bus bar.
In a specific embodiment of the invention, the zoarium voltage transformation unit includes transformer and output reactance device；
Wherein, one end of the transformer is connected with the IGBT unit by the inversion composite bus bar, the other end with
It is described output rectification unit one end by the rectification composite bus bar be connected be connected, it is described output rectification unit the other end and
The output reactance device is connected by the rectification composite bus bar.
In a specific embodiment of the invention, Support Capacitor and slow discharge resistance are additionally provided in the metal framework；
Wherein, the Support Capacitor is connected in parallel with the slow discharge resistance by the inversion composite bus bar, and described
The both ends of Support Capacitor are connected with the input rectifying unit and the IGBT by the inversion composite bus bar respectively；
The both ends of the slow discharge resistance are multiple by the inversion with the input rectifying unit and the IGBT respectively
Busbar is closed to be connected.
In a specific embodiment of the invention, surging capacitor and capacitance are additionally provided in the metal framework；
Wherein, the surging capacitor is connected in parallel with the IGBT unit by the inversion composite bus bar；
The both ends of the capacitance by the inversion composite bus bar respectively with the IGBT unit and the transformer
It is connected.
In a specific embodiment of the invention, resistance, the first filter capacitor and the second filter are additionally provided in the metal framework
Wave capacitor, the resistance and first filter capacitor are connected in series by the rectification composite bus bar, second filtered electrical
Appearance is connected in parallel with the resistance and first filter capacitor by the rectification composite bus bar respectively；
The resistance is connected with the output rectification unit by the rectification composite bus bar, and the output reactance device
Both ends are connected with the resistance and second filter capacitor by the rectification composite bus bar respectively.
In a specific embodiment of the invention, counnter attack diode, the counnter attack diode are additionally provided in the metal framework
It is connected with second filter capacitor by the rectification composite bus bar.
In a specific embodiment of the invention, the first current sensor is additionally provided in the metal framework, first voltage passes
Sensor, the second current sensor and second voltage sensor；
Wherein, first current sensor is multiple by the inversion with the capacitance and the transformer respectively
It closes busbar to be connected, the first voltage sensor passes through with the input rectifying unit and the slow discharge resistance described respectively
Inversion composite bus bar is connected；
Second current sensor is connected with second filter capacitor by the rectification composite bus bar, and described second
Voltage sensor is connected in parallel with second filter capacitor by the rectification composite bus bar.
In a specific embodiment of the invention, the metal framework is gone back on side one end of the input rectifying unit
Equipped with input copper bar, the input copper bar is connected by the inversion composite bus bar with the input rectifying unit, the input
One end of copper bar is connected with metal framework side low edge, the top surface of input the copper bar other end and the metal framework
It is connected.
In a specific embodiment of the invention, further includes:
Radiator is furnished with heat pipe between the radiator and the fit voltage transformation unit.
In a specific embodiment of the invention, it is additionally provided in the metal framework: temperature sensor and temperature relay,
In, the temperature sensor and the temperature relay are close to the IGBT unit setting.
A kind of charger module provided by the invention, by between rectification composite bus bar and each device of inversion composite bus bar realization
Connection, compared with copper bar common in charger system or conducting wire connect, composite bus bar have multiple types selection interface and
The customizable structure changed, same busbar can realize the connection between a variety of devices, and thus can solve makes between each device
Peak voltage increase, generation electromagnetism are simultaneous when stray inductance increases caused by being connected with copper bar because of copper bar bending etc., IGBT is switched
The problem of appearance and global switch shake, and composite bus bar has low resistivity, also can avoid charger in high-frequency work state
It is in the state of high impedance because conducting wire connects between lower device, while also can avoid the generation of eddy current magnetism, reduces security risk,
Keep the operation of charger module more reliable and stable, therefore, charger module provided in this embodiment can effective solution height
The electrical problems such as the common electromagnetic compatibility of frequency power, eddy current magnetism, high impedance make the operation of charger module is more stable can
It leans on, and so that the charger module and other power-supply devices is integrated composition system in use, being less prone to asking of interfering each other
Topic has compatibility well.In addition, inversion composite bus bar and rectification composite bus bar, which is used only, realizes the company between each device
It connects, device arrangement is compact, integrated level is high, and composite bus bar can realize the connection between device using lesser space, significantly
The volume for reducing charger module, improve the applicability of charger module.It solves and is used in existing charger system
Copper bar or conducting wire realize the connection of intermodule, under the high switching frequency effect of charger, easily generation electromagnetic compatibility, high impedance,
Phenomena such as eddy current magnetism, influence operation reliability the problem of.
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 be briefly described, 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 fractionation structural representation for the charger module that the embodiment of the present invention one provides；
Fig. 2 is the fractionation structural representation for the charger module other direction that the embodiment of the present invention one provides；
Fig. 3 is the schematic diagram of internal structure for the charger module that the embodiment of the present invention one provides；
Fig. 4 is the structure of inversion composite bus bar and rectification composite bus bar in the charger module of the offer of the embodiment of the present invention one
Schematic diagram；
Fig. 5 is the electrical schematic diagram for the charger module that the embodiment of the present invention one provides.
Description of symbols:
Metal framework -10；Input rectifying unit -20；IGBT unit -30；IGBT driving board -31；Fit voltage transformation unit-
40；Export rectification unit -50；Inversion composite bus bar -60；Rectify composite bus bar -70；Transformer -41；Output reactance device -42；Branch
Support capacitor -80；Slow discharge resistance -90；Surging capacitor -100；Capacitance -110；Resistance -120；First filter capacitor -130；
Second filter capacitor -140；Counnter attack diode -150；First current sensor -160；First voltage sensor -170；Second electricity
Flow sensor -180；Second voltage sensor -190；Input copper bar -200；Radiator -210；Temperature sensor -220；Temperature after
Electric appliance -230；Export copper bar -240；Wall penetration body -250；Control line connector -260；Attachment beam -270.
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.
A kind of charger module provided by the invention can be applied to the traction current transformation of EMU, locomotive, city rule vehicle etc.
In system, it is mainly used for form together with other power-supply devices to Vehicular accumulator cell and vehicle low-voltage direct load supplying
System is carried out using being not likely to produce the phenomenon that being caused interference with due to electrical problems such as electromagnetic compatibility, vortex, high impedances.
Embodiment one
Fig. 1 is the fractionation structural representation for the charger module that the embodiment of the present invention one provides, and Fig. 2 is the embodiment of the present invention
The fractionation structural representation of the one charger module other direction provided, Fig. 3 are the charger moulds that the embodiment of the present invention one provides
The schematic diagram of internal structure of block, Fig. 4 are that inversion composite bus bar and rectification are multiple in the charger module of the offer of the embodiment of the present invention one
The structural schematic diagram of busbar is closed, Fig. 5 is the electrical schematic diagram for the charger module that the embodiment of the present invention one provides.
A kind of charger module provided in an embodiment of the present invention, including metal framework 10, the metal framework 10 are interior equipped with defeated
Enter rectification unit 20, IGBT unit 30, fit voltage transformation unit 40 and output rectification unit 50, metal framework 10 is charger module
The integrated installation foundation of interior each unit, while being also convenient for combining charger module with the connection of other power-supply devices.In this implementation
In example, which mainly successively passes through the three-phase alternating current inputted in charger module whole
Stream, inversion, decompression, the effect rectified again become loading the low-voltage direct used for Vehicular accumulator cell and vehicle low-voltage direct
Electricity.
Wherein, input rectifying unit 20 is used to the three-phase alternating current inputted in the input rectifying unit 20 being rectified into direct current
Electricity, the input terminal that the three-phase alternating current inputted in charger module passes through input rectifying unit 20 first enter input rectifying unit
In 20, input rectifying unit 20, which is rectified, becomes direct current electricity output.In the present embodiment, to the structure of input rectifying unit 20
Without other requirements, the three-phase alternating current of input is converted into direct current as long as can be realized, as shown in figure 5, input rectifying
Unit 20 can be the bridge rectifier (VD1) being made of six diodes.
It is alternating current that IGBT unit 30, which is used for the DC inverter that exports input rectifying unit 20, the IGBT unit 30 with
Input rectifying unit 20 is connected by inversion composite bus bar 60, specifically, the output end of input rectifying unit 20 and IGBT unit
30 input terminal is connected by inversion composite bus bar 60, and the direct current exported after input rectifying unit 20 is rectified is answered by inversion
It closes busbar 60 to be input in IGBT unit 30, which is formed single phase ac electricity output by IGBT unit 30.
The alternating current that fit voltage transformation unit 40 is used to export IGBT unit 30 is depressured, IGBT unit 30 and fit transformation list
Member 40 is connected by inversion composite bus bar 60, specifically, the input terminal of the output end of IGBT unit 30 and fit voltage transformation unit 40
It is connected by inversion composite bus bar 60, the single-phase alternating current exported after 30 inversion of IGBT unit is defeated by inversion composite bus bar 60
Enter into fit voltage transformation unit 40, fit voltage transformation unit 40 plays antihypertensive effect to the single-phase alternating current, so that it becomes low pressure is handed over
Galvanic electricity output.
Output rectification unit 50, at direct current electricity output, exports rectification unit 50 and closes for the AC rectification after being depressured
Body voltage transformation unit 40 is connected by rectification composite bus bar 70, specifically, the output end of fit voltage transformation unit 40 and output rectification are single
The input terminal of member 50 is connected by rectification composite bus bar 70, and the low-voltage AC exported after the decompression of fit voltage transformation unit 40 is passed through
It rectifying in 70 input and output rectification unit 50 of composite bus bar, output rectification unit 50, which is rectified, becomes low-voltage direct electricity output,
For Vehicular accumulator cell and vehicle low-voltage direct load supplying.In the present embodiment, to the structure of output rectification unit 50 without other
It is required that direct current electricity output is converted alternating current to as long as can be realized, as shown in figure 5, output rectification unit 50 can be
The bridge rectifier being made of four diodes.
In the present embodiment, for convenient for charger module and three-phase alternating current input and Vehicular accumulator cell, vehicle load
Connection, also settable input interface and output interface on the metal framework 10, wherein input interface and input rectifying unit 20
Input terminal be connected, for three-phase alternating current to be input in input rectifying unit 20.Output interface and output rectification unit 50
Output end be connected, for by low-voltage direct electricity output, to power for Vehicular accumulator cell and vehicle load, which can be
Export copper bar 240, on the metal framework 10 close to output copper bar 240 at also settable wall penetration body 250, the wall penetration body 250 with
It exports copper bar 240 to be connected, in order to connect with other equipment.Specifically, three-phase alternating current by input interface enter input it is whole
It flows in unit 20, the three-phase alternating current flowed through is rectified into direct current by input rectifying unit 20, what input rectifying unit 20 exported
Direct current is inputted in IGBT unit 30 by inversion composite bus bar 60, which is formed single phase ac by IGBT unit 30
Electricity, the single-phase alternating current that IGBT unit 30 exports are input in fit voltage transformation unit 40 by inversion composite bus bar 60, by closing
The antihypertensive effect of body voltage transformation unit 40 becomes low-voltage AC, and the low-voltage AC that fit voltage transformation unit 40 exports is multiple by rectification
It closes busbar 70 to be input in output rectification unit 50, by exporting the rectified action of rectification unit 50 so that it becomes low-voltage direct
Electricity, the low-voltage DC that output rectification unit 50 exports can be exported by output interface, to realize to Vehicular accumulator cell and vehicle two
Circuit element needed for DC-AC-DC circuit is thus integrated in metal framework 10 by the function of low-voltage direct load supplying
It is interior, a module is formed, subsequent in use, can call directly the module can be realized function for vehicle-mounted power supply.
Wherein, in the present embodiment, IGBT unit 30 is logical with input rectifying unit 20 and fit voltage transformation unit 40 respectively
It crosses inversion composite bus bar 60 to be connected, output rectification unit 50 is connected with fit voltage transformation unit 40 by rectifying composite bus bar 70, shape
At the major loop of the charger module, using the connection type of rectification composite bus bar 70 and inversion composite bus bar 60 by each device
It is integrated in metal framework 10 and forms one, compared with copper bar common in charger system or conducting wire connect, composite bus bar tool
There are many selection interface of class and the customizable structure changed, same busbar can realize the connection between a variety of devices, in this way
Can solve between each device using copper bar connection because miscellaneous inductance increases, IGBT is switched caused by copper bar bending etc. when spike
Voltage increases, generates the electrical problems of electromagnetic compatibility and global switch concussion, and composite bus bar has low resistivity, can also keep away
Exempt from charger and be in the state of high impedance because of conducting wire connection between device under high-frequency work state, while also can avoid vortex magnetic
Generation, reduce security risk, therefore, charger module provided in this embodiment, can effective solution high frequency electric source it is common
The electrical problems such as electromagnetic compatibility, eddy current magnetism, high impedance, keep the operation of charger module more reliable and stable, and make
The charger module and the integrated composition system of other power-supply devices are in use, the problem of being less prone to mutual interference, has very
Good compatibility.
In addition, to keep connection safe and reliable, copper bar cannot be laminated when being connected in charger system using copper bar or conducting wire,
Need to maintain a certain distance between copper bar, at the same for connect each device copper bar can mostly bend etc. can make each device in distribution more
Dispersion；When being connected using conducting wire, to avoid complicated wiring from winding the problems such as generate security risk, each device distribution also can be more
Dispersion, the size of such charger system will be larger, so that the cabinet body of entire traction current transformation system be made to become larger, is not easy to subway
The use of the vehicle of equal bottom spaces limitation, and in the present embodiment, inversion composite bus bar is used only and rectification composite bus bar is real
The connection between each device is showed, device arrangement is compact, integrated level is high, and composite bus bar can realize device using lesser space
Connection between part significantly reduces the volume of charger module, improves the practicability of charger module.
In the present embodiment, IGBT unit 30 is also connected with IGBT driving board 31, to keep device arrangement even closer,
IGBT driving board 31 can be arranged in metal framework on the side outer wall of IGBT unit.For convenient for IGBT driving board 31 into
The insulation pallet with slideway can be arranged in row maintenance on the side outer wall of the metal framework 10, and the slideway is for IGBT driving
Plate 31 slides in it, and IGBT driving board 31 is inserted into the slideway, is located using set screw, thus drives IGBT
Movable plate 31 is fixed on insulation pallet, and when IGBT driving board 31 needs to be serviced, only need to dismantle the set screw can be taken out
IGBT driving board 31 out.
It should be noted that in the present embodiment, inversion composite bus bar 60 and rectification composite bus bar 70 are distribution system
Used in existing composite bus bar, for example, inversion composite bus bar 60 and rectification composite bus bar 70 structure can be such as Fig. 4 institute
Show, specifically, being connected between realizing device so that the alternating current after rectification is reverse into direct current and the composite bus bar exported is inversion
Composite bus bar 60, connection is so that it is whole that the AC rectification after decompression, which becomes the composite bus bar of low-voltage DC, between realizing each device
Composite bus bar 70 is flowed, and other requirements are had no to the structure of inversion composite bus bar 60 and rectification composite bus bar 70, guarantees that it can
Realize the above-mentioned connection relationship between device, it is fixed to modify according to actual use situation to the design of its structure when installation
System, it should be noted that the structure of inversion composite bus bar 60 and rectification composite bus bar 70 includes being not limited to knot as shown in Figure 4
Structure can also be the composite bus bar of other structures, can specifically refer to existing composite bus bar.
A kind of charger module provided by the invention, it is real by way of rectification composite bus bar 70 and inversion composite bus bar 60
The now connection of each device, compared with copper bar common in charger system or conducting wire connect, composite bus bar has the choosing of multiple types
Interface and the customizable structure changed are selected, same busbar can realize the connection between a variety of devices, thus can solve each
Peak voltage increases, produces when stray inductance increases caused by being connected using copper bar because of copper bar bending etc. between device, IGBT is switched
The problem of raw electromagnetic compatibility and global switch shake, and composite bus bar has low resistivity, also can avoid charger in high frequency
It is in the state of high impedance because conducting wire connects between device under working condition, while also can avoid the generation of eddy current magnetism, is reduced
Security risk keeps the operation of charger module more reliable and stable, and therefore, charger module provided in this embodiment can have
Effect solves the electrical problems such as high frequency electric source common electromagnetic compatibility, eddy current magnetism, high impedance, makes the operation of charger module more
What is added is reliable and stable, and the charger module and other power-supply devices is made to integrate composition system in use, being less prone to mutually
Between the problem of interfering, there is compatibility well.In addition, inversion composite bus bar 60 and rectification composite bus bar 70, which is used only, to be realized
Connection between each device, device arrangement is compact, integrated level is high, and composite bus bar can be using between lesser space realization device
Connection, significantly reduce the volume of charger module, improve the practicability of charger module.Solves existing charger
Electromagnetism easily occurs for the connection for realizing intermodule in system using copper bar or conducting wire simultaneous under the high switching frequency effect of charger
Phenomena such as appearance, high impedance, eddy current magnetism, influence operation reliability the problem of.
Further, on the basis of the above embodiments, in the present embodiment, fit voltage transformation unit 40 includes transformer 41
With output reactance device 42.Wherein, one end of transformer 41 and IGBT unit 30 are connected by inversion composite bus bar 60, the other end and
The one end for exporting rectification unit 50 is connected by rectification composite bus bar 70, specifically, transformer 41 is for defeated by IGBT unit 30
Alternating current decompression processing out, the input terminal of transformer 41 pass through 60 phase of inversion composite bus bar with the output end of IGBT unit 30
Even, the output end of transformer 41 is connected with the input terminal of output rectification unit 50 by rectifying composite bus bar 70.Output rectification is single
The other end and the output reactance device 42 of member 50 are connected by rectifying composite bus bar 70, wherein output reactance device 42 is for flowing through
Low-voltage DC after output rectification unit 50 rectifies plays the role of filtering, and the input terminal of output reactance device 42 and output rectify
The output end of unit 50 is connected.Transformer 41 and output reactance device 42 are combined to form fit voltage transformation unit 40, and led to
It crosses inversion composite bus bar 60 and the zoarium voltage transformation unit 40 is connected by rectification composite bus bar 70 with corresponding device, be distributed device
Structure is more compact, facilitates the size for reducing charger module, in addition, transformer 41 and output reactance device 42 are incorporated into
When together, transformer 41 and output reactance device 42 have been carried out to whole encapsulation, can influence of the effective solution leakage field to signal,
Improve the reliability of operation.
Further, on the basis of the above embodiments, in the present embodiment, Support Capacitor is additionally provided in metal framework 10
80 and slow discharge resistance 90, wherein Support Capacitor 80 is connected in parallel with slow discharge resistance 90 by inversion composite bus bar 60, and is propped up
The both ends for supportting capacitor 80 are connected with input rectifying unit 20 and IGBT unit 30 by inversion composite bus bar 60 respectively, slow play electricity
The both ends of resistance 90 are connected with input rectifying unit 20 and IGBT unit 30 by inversion composite bus bar 60 respectively.Support electricity
Hold 80 and play the role of filtering and voltage compensation, slow discharge resistance 90 is used to discharge for Support Capacitor 80, passes through the compound mother of inversion
Support Capacitor 80 and slow discharge resistance 90 are integrated in the inside of charger module by row 60, take full advantage of the same of inner space
When, connecting wire bring stray inductance can also be reduced.Specifically, as shown in figure 5, in the present embodiment, Support Capacitor 80 wraps
Include capacitor C1 and capacitor C2 parallel with one another, capacitor C1 and capacitor C2 are in parallel with slow discharge resistance 90 (R4) respectively, capacitor C1 and
The both ends of capacitor C2 are connected with the output end of input rectifying unit 20 (VD1), and IGBT unit 30 includes crystal parallel with one another
Pipe VT1 and transistor VT2, and the both ends of capacitor C1 and capacitor C2 are connected with transistor VT1 and transistor VT2 parallel connection.Slow play
The both ends of resistance 90 (R4) are connected with the output end parallel connection of input rectifying unit 20 (VD1), while slow discharge resistance 90 (R4)
Both ends be connected with transistor VT1 and transistor VT2 parallel connection, will the direct current that export after input rectifying unit 20 (VD1) rectification
It is input in transistor VT1 and transistor VT2 after slow play 90 (R4), capacitor C1 and capacitor C2, it is inverse to be carried out to direct current
Change processing.
Further, on the basis of the above embodiments, in the present embodiment, exported for guarantee IGBT unit 30 single-phase
The quality of alternating current is additionally provided with surging capacitor 100 and capacitance 110 in the metal framework 10.Wherein, surging capacitor 100 with
IGBT unit 30 is connected in parallel by inversion composite bus bar 60, and the both ends of capacitance 110 are distinguished by inversion composite bus bar 60
It is connected with IGBT unit 30 and transformer 41, it is by inversion composite bus bar 60 that surging capacitor 100 and capacitance 110 is integrated
In the inside of charger module, while taking full advantage of inner space, connecting wire bring stray inductance can also be reduced.Tool
Body, as shown in figure 5, in the present embodiment, surging capacitor 100 includes the capacitor C3 and capacitor C4 being connected in parallel, wherein capacitor
C3 and transistor VT1 and transistor VT2 are in parallel, and capacitor C4 and transistor VT1 and transistor VT2 are in parallel, capacitance 110
(C5) one end is connected with the output end of transistor VT1, and the other end of capacitance 110 (C5) is defeated with transformer 41 (TR1)
Enter end to be connected, the single-phase alternating current after transistor VT1 and transistor VT2 inversion is passed through into capacitor C3 and capacitor C4 respectively
Afterwards, it flows through capacitance 110 (C5) to be input in transformer 41 (TR1), to carry out decompression processing to single-phase alternating current.
It further, on the basis of the above embodiments, in the present embodiment, is the friendship in the low-voltage DC that will export
Stream ingredient filters, and to guarantee the quality of output direct current, is additionally provided with resistance 120, the first filter capacitor 130 in the metal framework 10
With the second filter capacitor 140, resistance 120 and the first filter capacitor 130 are connected in series by rectification composite bus bar 70, the second filtering
Capacitor 140 is connected in parallel with resistance 120 and the first filter capacitor 130 by rectifying composite bus bar 70 respectively, resistance 120 and output
Rectification unit 50 is connected by rectification composite bus bar 70, and the both ends of output reactance device 42 are filtered with the first filtering and second respectively
Wave capacitor 140 is connected by rectification composite bus bar 70.Resistance 120 and the first filter capacitor 130 composition RC filter circuit are absorbable
Alternating component from the low-voltage DC exported in output rectification module, and output reactance device 42 and the second filter capacitor 140
The LC filter circuit of composition, can further filter out alternating component, to guarantee the direct current quality of output by filtering twice, reach
To the purpose of pressure stabilizing.Specifically, as shown in figure 5, in the present embodiment, resistance 120 includes resistance R5A and resistance parallel with one another
R5B, the first filter capacitor 130 include capacitor C6A and capacitor C6B parallel with one another, wherein and resistance R5A connects with capacitor C6A,
Resistance R5B connects with capacitor C6B, and resistance R5A and resistance R5B are connected with output rectification unit 50, will export rectification unit 50
The low-voltage DC exported after rectification first passes around the RC filtering formed by resistance R5A, resistance R5B, capacitor C6A and capacitor C6B
Circuit realizes primary filtering.Second filter capacitor 140 includes capacitor C7A and capacitor C7B parallel with one another, output reactance device 42
(L1) one end is connected with resistance 120, specifically, be connected with resistance R5B, the other end of output reactance device 42 (L1) and the second filter
Wave capacitor 140 is connected, specifically, be connected with capacitor C7A and capacitor C7B parallel connection, by once filtered direct current respectively from
It is exported in capacitor C6A and capacitor C6B, in input and output reactor 42, and passes through capacitor C7A and capacitor C7B respectively, realize secondary
Filtering, to effectively guarantee the quality of direct current.
Further, on the basis of the above embodiments, in the present embodiment, two pole of counnter attack is additionally provided in metal framework 10
Pipe 150, counnter attack diode 150 are connected with the second filter capacitor 140 by rectifying composite bus bar 70.Counnter attack diode 150 is used for
Guarantee DC current outbound course, ensure that output direct current flows backward the generation of phenomenon.
It further, on the basis of the above embodiments, in the present embodiment, is the electrical signal status in observation circuit,
To improve to circuit, the first current sensor 160, first voltage sensor 170, are additionally provided in the metal framework 10
Two current sensors 180 and second voltage sensor 190.Wherein, the first current sensor 160 respectively with capacitance 110 with
And transformer 41 is connected by inversion composite bus bar 60, first voltage sensor 170 respectively with input rectifying unit 20 and slow
Discharge resistance 90 is connected by inversion composite bus bar 60.Wherein, the first current sensor 160 for monitor capacitance 110 with
Current data in the connection line of transformer 41, first voltage sensor 170 is for monitoring input rectifying unit 20 and slow play
DC voltage data in 90 connection line of resistance pass through inversion composite bus bar 60 between the device for including by filter circuit
It is connected, makes the structure of entire module more compact again while substantially reducing loop stray inductance value.Specifically, such as Fig. 5
Shown, one end of the first current sensor 160 (SC1) is connected with capacitance 110 (C5), the other end and transformer 41 (TR1)
It is connected, first voltage sensor 170 (SV2) is connected in parallel on the both ends of input rectifying unit 20 (VD1).Second current sensor 180
It is connected with the second filter capacitor 140 by rectifying composite bus bar 70, second voltage sensor 190 (SV3) and the second filter capacitor
140 are connected in parallel by rectifying composite bus bar 70.Second current sensor 180 is used to monitor the output of the second filter capacitor 140
Low voltage direct current, second voltage sensor 190 (SV3) is used to monitor the DC voltage of output, specifically, in the present embodiment
In, which includes current sensor SC2 and current sensor SC3, to use charger module by 380V
Three-phase alternating current rectification, inversion, rectify again by way of become 110V direct current for, by output copper bar 240 by low pressure
When direct current electricity output is Vehicular accumulator cell and vehicle DC load supplying, output copper bar includes output 110VB+, output 110VA
+ and output 110V-, it is connect wherein exporting 110VB+ with Vehicular accumulator cell, exports and passed between 110VB+ and capacitor C7B equipped with electric current
Sensor SC2, output 110VA+ and vehicle DC load connect, and are equipped with current sensor SC3 between output 110VA+ and capacitor C7B,
Second voltage sensor 190 (SV3) is in parallel with capacitor C7B.
Further, on the basis of the above embodiments, in the present embodiment, metal framework 10 is close to input rectifying unit
Input copper bar 200 is additionally provided on 20 side one end, input copper bar 200 passes through inversion composite bus bar 60 and input rectifying unit 20
It is connected, input copper bar 200 is arranged along the width direction of 10 side of metal framework, inputs one end and the metal framework of copper bar 200
10 side feather edges are connected, and input 200 other end of copper bar is connected with the top surface of metal framework 10.It should be noted that input copper
The both ends of row 200 are connected with 10 side feather edge of metal framework and top surface respectively, and are equipped with input interface in connecting portion, this is defeated
Incoming interface is connected with input copper bar 200.When installing the charger module using the mounting means of flat placed type, it is located at metal framework
The input interface of 10 side feather edges is closer away from three-phase output interface, and more convenient connection, at this point, three-phase alternating current can pass through
It inputs in the input interface input charger module of copper bar 200 and 10 side feather edge connecting portion of metal framework；When using outstanding
When hanging mounting means installs the charger module, attachment beam 270 can be set on the side outer wall of metal framework 10, be used for
Play a part of to support and fix when the charger module and railroad car lateral wall suspension are connected, at this point, being located at 10 top surface of metal framework
Input interface it is closer away from three-phase output interface and easy to connect, then three-phase alternating current can pass through input copper bar 200 and metal frame
In the input interface input charger module of 10 top surface connecting portion of frame, therefore, the setting of input copper bar 200 can meet simultaneously fills
Input demand of the motor module under two kinds of mounting means of flat placed type and suspension type, and can be selected more according to different mounting means
Convenient for the input position of connection, accordingly even when not needed according to mounting means to module in the case where mounting means difference yet
Any type of change is made in inside, has good applicability.
Further, on the basis of the above embodiments, in the present embodiment, charger module further include: radiator
210, heat pipe is furnished between radiator 210 and fit voltage transformation unit 40.Radiator 210 is used for caused by the device in work
Heat is handled, and is reduced the temperature of device itself and working environment, is prevented device because environment temperature is excessively high or own temperature
It is excessively high and the case where damage.
It should be noted that in the present embodiment, radiator 210 can be used as the bottom surface of metal framework 10, specifically, heat dissipation
The substrate of plate can be used as the bottom panel of metal framework 10, and heat pipe horizontal is embedded in radiator 210, in heat pipe and metal framework 10
Fit voltage transformation unit 40 bottom be connected, due in charger module each device it is highly integrated, make IGBT unit 30, input
The high-power components such as rectification unit 20 are gathered in around fit voltage transformation unit 40, thus by heat pipe be laid in radiator 210 with
Between fit voltage transformation unit 40, to carry out air blast cooling heat dissipation to it, significant heat dissipation effect can be played, is solved due to compression
Space and bring high power radiation problem.
Further, on the basis of the above embodiments, in the present embodiment, be additionally provided in metal framework 10: temperature passes
Sensor 220 and temperature relay 230, wherein temperature sensor 220 and temperature relay 230 are close to the setting of IGBT unit 30.
Temperature sensor 220 and temperature relay 230 are connected with the main control unit of charger module, it should be noted that charger
The main control unit of module is located in the traction control module of traction current transformation system, is not integrated in the charger module.Temperature
The temperature signal that sensor 220 is used to will test sends main control unit to, and main control unit receives the temperature signal, when temperature is super
When crossing preset temperature threshold, the contactor that main control unit disconnects input terminal connection on major loop makes charger module stop fortune
Row ensure that the running safety of charger module, and temperature relay 230 is also used for the temperature that detects temperature and will test
Degree signal sends main control unit to, so that main control unit is according to the temperature signal and preset temperature threshold to determine whether disconnecting
Contactor on major loop can play the role of duplicate protection, improve the sensitivity of temperature detection, effectively to guarantee charger
The safety of module operation.
In the present embodiment, control line connector 260, the first current sensor 160, first are additionally provided on metal framework 10
Voltage sensor 170, the second current sensor 180, second voltage sensor 190, temperature sensor 220, temperature relay 230
And the control line of IGBT driving board 31 is connected with one end of connector, the other end of connector and the master control of charger module
Unit is connected.
In the description of the present invention, it is to be understood that, term " includes " used herein and " having " and they
Any deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, being
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or
For the intrinsic other step or units of these process, methods, product or equipment.
Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. should do broad sense reason
Solution, such as may be a fixed connection, it may be a detachable connection, or be integrally formed；It can be directly connected, can also pass through
Intermediary is indirectly connected, and can be being connected inside two elements or the interaction relationship of two elements.For this field
Those of ordinary skill for, the specific meanings of the above terms in the present invention can be understood according to specific conditions.In addition, term
" first ", " second " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicate institute
The quantity of the technical characteristic of instruction.
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 charger module, which is characterized in that be equipped with including metal framework, in the metal framework input rectifying unit,
IGBT unit, fit voltage transformation unit and output rectification unit；
Wherein, the input rectifying unit is used to the three-phase alternating current inputted in the input rectifying unit being rectified into direct current
Electricity；
The DC inverter that the IGBT unit is used to export the input rectifying unit is alternating current；
The alternating current decompression that the zoarium voltage transformation unit is used to export the IGBT unit, and the IGBT unit respectively with institute
It states input rectifying unit and the fit voltage transformation unit is connected by inversion composite bus bar；
The output rectification unit is for the AC rectification after being depressured at direct current electricity output, the output rectification unit and institute
Fit voltage transformation unit is stated to be connected by rectification composite bus bar.
2. charger module according to claim 1, which is characterized in that the zoarium voltage transformation unit includes transformer and defeated
Reactor out；
Wherein, one end of the transformer is connected with the IGBT unit by the inversion composite bus bar, the other end with it is described
The one end for exporting rectification unit is connected by the rectification composite bus bar, the other end of the output rectification unit and the output
Reactor is connected by the rectification composite bus bar.
3. charger module according to claim 2, which is characterized in that be additionally provided in the metal framework Support Capacitor and
Slow discharge resistance；
Wherein, the Support Capacitor is connected in parallel with the slow discharge resistance by the inversion composite bus bar, and the support
The both ends of capacitor are connected with the input rectifying unit and the IGBT by the inversion composite bus bar respectively；
The both ends of the slow discharge resistance pass through the compound mother of the inversion with the input rectifying unit and the IGBT respectively
Row is connected.
4. charger module according to claim 3, which is characterized in that be additionally provided in the metal framework surging capacitor and
Capacitance；
Wherein, the surging capacitor is connected in parallel with the IGBT unit by the inversion composite bus bar；
The both ends of the capacitance are connected with the IGBT unit and the transformer respectively by the inversion composite bus bar.
5. charger module according to claim 4, which is characterized in that be additionally provided with resistance, first in the metal framework
Filter capacitor and the second filter capacitor, the resistance and first filter capacitor are connected company by the rectification composite bus bar
It connects, second filter capacitor connects with the resistance and first filter capacitor by the way that the rectification composite bus bar is in parallel respectively
It connects；
The resistance is connected with the output rectification unit by the rectification composite bus bar, and the both ends of the output reactance device
It is connected respectively with the resistance and second filter capacitor by the rectification composite bus bar.
6. charger module according to claim 5, which is characterized in that be additionally provided with two pole of counnter attack in the metal framework
Pipe, the counnter attack diode are connected with second filter capacitor by the rectification composite bus bar.
7. charger module according to claim 6, which is characterized in that be additionally provided with the first electric current biography in the metal framework
Sensor, first voltage sensor, the second current sensor and second voltage sensor；
Wherein, first current sensor passes through the compound mother of the inversion with the capacitance and the transformer respectively
Row is connected, and the first voltage sensor passes through the inversion with the input rectifying unit and the slow discharge resistance respectively
Composite bus bar is connected；
Second current sensor is connected with second filter capacitor by the rectification composite bus bar, the second voltage
Sensor is connected in parallel with second filter capacitor by the rectification composite bus bar.
8. charger module according to claim 1-7, which is characterized in that the metal framework is close to described defeated
Enter and be additionally provided with input copper bar on side one end of rectification unit, the input copper bar by the inversion composite bus bar with it is described defeated
Enter rectification unit to be connected, one end of the input copper bar is connected with metal framework side feather edge, and the input copper bar is another
One end is connected with the top surface of the metal framework.
9. charger module according to claim 1-7, which is characterized in that further include: radiator, the heat dissipation
Heat pipe is furnished between device and the fit voltage transformation unit.
10. charger module according to claim 9, which is characterized in that be additionally provided in the metal framework: temperature sensing
Device and temperature relay, wherein the temperature sensor and the temperature relay are close to the IGBT unit setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135947.8A CN109286327A (en) | 2018-09-28 | 2018-09-28 | A kind of charger module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135947.8A CN109286327A (en) | 2018-09-28 | 2018-09-28 | A kind of charger module |
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| CN109286327A true CN109286327A (en) | 2019-01-29 |
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| CN201811135947.8A Pending CN109286327A (en) | 2018-09-28 | 2018-09-28 | A kind of charger module |
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| CN112386330A (en) * | 2021-01-19 | 2021-02-23 | 安隽医疗科技(南京)有限公司 | 500A radio frequency ablation instrument host system |
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