CN110112933A - Subordinate inverter circuit, auxiliary inversion device - Google Patents
Subordinate inverter circuit, auxiliary inversion device Download PDFInfo
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- CN110112933A CN110112933A CN201910469162.2A CN201910469162A CN110112933A CN 110112933 A CN110112933 A CN 110112933A CN 201910469162 A CN201910469162 A CN 201910469162A CN 110112933 A CN110112933 A CN 110112933A
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- circuit
- inversion
- cover plate
- room
- inverter
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- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
Abstract
The present invention relates to a kind of subordinate inverter circuit and auxiliary inversion devices, inverter circuit passes through design inverter major loop, circuit for charging machine and emergency power supply circuit, DC high-voltage is converted into three-phase alternating current and DC low-voltage electricity, for the power supply such as pressure or low-voltage load in vehicle, and emergency starting when making storage battery under-voltage, guarantee that secondary power system can restart.The body structure of auxiliary inversion device is by the barricade that is laterally arranged along it every being set as successively riveting for carrying the first inversion room of transformer and reactor, for carrying the intermediate inversion room of inverter power module, charger module and emergency starting module, and the second inversion room for carrying fan assembly；Body structure is designed using split type riveting, and each independent chamber is arranged, is stitched together later, each chamber influences small, compact-sized, good airproof performance each other；Meanwhile provided with multiple redundancy air ducts effectively to radiate.
Description
Technical field
The invention belongs to inverter technology field more particularly to a kind of subordinate inverter circuits and its auxiliary inversion device.
Background technique
With the development of rail traffic, the integrated level of system improves increasingly, and the capacity of subordinate inverter constantly increases, heat dissipation
It is required that increasing therewith.Meanwhile cabinet is generally in exposed environments, seal request is more harsh.
Increase box sizes to arrange more devices, or in the case where not increasing dimensional conditions currently, generalling use, increases device
Part, to increase power system capacity, but the increase of device causes radiating requirements to further increase.For radiating treatment, usually pass through wind
Machine and air duct carry out forced air cooling to box house device to radiate, but under traditional forced air cooling radiating mode, once
Fan trouble, heating device have significant threat by cisco unity malfunction, therefore to vehicle normal operation.For encapsulation process,
Usually by setting double-layer seal adhesive tape structure, box sealing grade is risen into the modes such as IP65 by Traditional IP 55, but seal
Replacement cycle is difficult to match the inverter longevity period, leads to that the production cost increases and maintenance cost improves, and traditional sense
IP65 sealing grade has been far from satisfying requirement.Moreover, subordinate inverter be mostly welded to form using tape frame it is inverse
Become device cabinet body, but deform in the welding process larger, precision not enough, waste of manpower financial resource and material resource；Frame often uses profile, deposits
In the problems such as at high cost, die sinking is costly, the period is long, production cycle and production cost is caused to obviously increase.
Therefore, it is necessary in conjunction with the design of above-mentioned existing subordinate inverter, on the basis of existing subordinate inverter structure
It improves, a kind of new auxiliary inversion device is provided.
Summary of the invention
The present invention provides a kind of subordinate inverter circuit and its auxiliary for deficiency existing for above-mentioned existing subordinate inverter
Inverter is helped, body structure is designed using split type riveted structure, and each independent chamber is set and is riveted together, each chamber
Between influence small, good airproof performance each other.Meanwhile it being provided with redundancy air channel structure, effectively radiate.
To achieve the goals above, the present invention provides a kind of subordinate inverter circuit, including inverter major loop and
Circuit for charging machine, the inverter major loop include that the first direct current input filter circuit, the first DC/DC full-bridge gradually connected is cut
Wave circuit, the first DC/AC inverter circuit and three-phase alternating current filter circuit；The first DC/AC inverter circuit and three-phase alternating current
The series circuit of filter circuit composition is in parallel with the circuit for charging machine, and the circuit for charging machine includes sequentially connected second straight
Flow input filter circuit, the 2nd DC/DC translation circuit and output rectification circuit, the second direct current input filter circuit it is defeated
Enter the first DC/DC full-bridge chopper circuit output end of end connection.
Preferably, the first direct current input filter circuit includes fuse FU1, contactor KM1, the first pre-charge circuit
And LC DC filtering circuit；The contactor KM1 is in parallel with pre-charge circuit, and input terminal connects the output end of fuse FU1,
The input terminal of output end connection LC DC filtering circuit；The second direct current input filter circuit includes contactor KM3, second pre-
Charging circuit and RC DC filtering circuit, the contactor KM3 is in parallel with the second pre-charge circuit, input terminal connection first
The output end of DC/DC full-bridge chopper circuit, output end connect RC DC filtering circuit input end.
It preferably, further comprise emergency starting power circuit, the emergency starting power circuit output end connection LC is straight
Filter circuit input terminal is flowed, the emergency starting power circuit includes sequentially connected 3rd DC/DC translation circuit and fusing
Device FU3.
The present invention also provides a kind of auxiliary inversion device, including body structure, the body structure passes through along its transverse direction
The barricade of setting is every the first inversion room for being used to carry transformer and reactor for being set as successively riveting, for carrying inverter
The intermediate inversion room of power module, charger module and emergency starting module, and second for carrying fan assembly are inverse
Become room；Be equipped with upper and lower horizontally disposed isolation board along its vertical direction in second inversion room, by second inversion room every
It is set as the air-blower control room for carrying controller of fan and the fan house for carrying blower；The inverter power mould
Block, charger module and emergency starting module use the circuit design.
Preferably, first inversion room is provided with dismountable first upper cover plate and the first side cover plate, the centre
Inversion room is provided with dismountable intermediate upper cover plate, and the fan house is provided with dismountable second side cover plate；First side
The thermovent and filter screen for heat dissipation are offered on cover plate, second side cover plate is equipped with air grille and filter screen.
Preferably, the body structure bottom is provided with dismountable first bottom cover plate, the bottom of the intermediate inversion room
Inner cavity between portion's lateral wall and first bottom cover plate forms the first air duct, and first air duct one end can be connected to the wind
Machine room, the other end can be connected to first inversion room.
Preferably, centrifugal blower is provided in the intermediate inversion chamber interior walls and for the of centrifugal blower power supply
Two power supplys, the intermediate inversion chamber interior walls and the inverter power module, charger module and emergency starting module it
Between cavity formed the second air duct.
Preferably, the upper surface of first upper cover plate, intermediate upper cover plate and second side cover plate is provided with anti-trample
Structure, the upper surface of first upper cover plate, intermediate upper cover plate and second side cover plate is respectively between the trample protecting structure
Cavity be formed with along its vertical direction conducting third air duct.
Preferably, cooling fin is provided on the rear wall of the intermediate inversion room.
Preferably, the body structure outer wall uses anodized, the front-rear side walls of the body structure and institute
It states the first upper cover plate and intermediate upper cover plate is disposed as double-layer structure, be provided with heat insulator between the double-layer structure.
Compared with prior art, the advantages and positive effects of the present invention are:
The present invention provides a kind of subordinate inverter circuit design, converter main circuit is using conventional input direct-current filtering
DC750V high-voltage electricity is converted to AC380V alternating current, is by circuit, three-phase inverting circuit and three-phase alternating current filter circuit design
Load supplying is pressed in vehicle；Meanwhile it being provided with circuit for charging machine, DC750V high-voltage electricity is converted into DC24V low tension, is vehicle
The power supply such as control system and low-voltage load；And emergency starting power circuit is devised, emergency starting when storage battery under-voltage, to guarantee
Secondary power system can restart.
The present invention additionally provides a kind of auxiliary inversion device according to above-mentioned inverter circuit design, and body structure does not use
Conventional framework design is arranged each independent chamber, is stitched together later using split type riveted structure, each chamber
Small, good airproof performance is influenced each other.Meanwhile being provided with the first air duct (i.e. external main air duct), the second air duct (i.e. interior circulated air
Road) and third air duct (i.e. external natural cooling air duct) three-in-one air channel structure, effectively radiate.First air duct is arranged in each chamber
Except, guarantee the leakproofness of each separate chamber, integral sealing effect is more preferable, can achieve IP67 sealing within a certain height
Grade.More traditional inverter design, subordinate inverter apparatus structure of the invention is more compact, and it is narrow to meet car body installation space
Small requirement；And sealing is preferable with heat dissipation effect.
Detailed description of the invention
Fig. 1 is converter main circuit figure of the invention；
Fig. 2 is auxiliary inversion apparatus structure schematic layout pattern of the invention；
Fig. 3 is auxiliary inversion structure drawing of device of the invention；
Fig. 4 is auxiliary inversion structure drawing of device of the invention；
Fig. 5 is auxiliary inversion device top view of the invention；
Fig. 6 is auxiliary inversion device rearview of the invention；
Fig. 7 is that external main air duct of the invention recycles schematic diagram；
Fig. 8 is that interior circulation air path of the invention recycles schematic diagram；
Fig. 9 is that external natural cooling air duct of the invention recycles schematic diagram；
Wherein: the first DC/DC full-bridge chopper circuit of 1-, the first DC/AC inverter circuit of 2-, the 2nd DC/DC translation circuit of 3-,
The 3rd DC/DC translation circuit of 4-, 5- body structure, the first inversion of 51- room, the first upper cover plate of 511-, 512- the first side cover plate,
5121- thermovent, the centre 52- inversion room, the centre 521- upper cover plate, 522- cooling fin, the second inversion of 53- room, 531- blower control
Room processed, 532- fan house, 5321- second side cover plate, 53211- air grille, 533- capacitor, the first bottom cover plate of 54-, 55-
One air duct, the second air duct 56-, 57- third air duct, 58- is anti-to be trampled, 6- blower, 7- centrifugal blower, 8- second source.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are explicitly described, it is clear that described embodiment be the application all the way
Embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present application under the premise of creative work.
The description and claims of this application and term " includes " and their any deformations in above-mentioned attached drawing, meaning
Figure, which is to cover, non-exclusive includes.Such as process, method or system comprising a series of steps or units, product or equipment do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and
" third " etc. is for distinguishing different objects, not for description particular order.
Refering to what is shown in Fig. 1, the present invention provides a kind of subordinate inverter circuit, including inverter major loop, charging electromechanics
Road, inverter major loop are set using conventional input direct-current filter circuit, three-phase inverting circuit and three-phase alternating current filter circuit
Meter, including the first direct current input filter circuit, the first DC/DC full-bridge chopper circuit 1, the first DC/AC inversion electricity gradually connected
Road 2 and three-phase alternating current filter circuit；DC750V high-voltage electricity is converted into three-phase AC380V AC power source, is that pressure is negative in vehicle
Carry equipment power supply.The series circuit that circuit for charging machine and the first DC/AC inverter circuit 2 are formed with three-phase alternating current filter circuit is simultaneously
Connection, circuit for charging machine include that sequentially connected second direct current input filter circuit, the 2nd DC/DC translation circuit 3 and output are whole
Current circuit, the input terminal of the second direct current input filter circuit connects the output end of the first DC/DC full-bridge chopper circuit 1, by high pressure
Direct current is converted to 24V direct current after high frequency DC/DC transformation and full-wave rectification, is vehicle control system and each low-voltage equipment
Control power supply is provided.
Specifically, with further reference to shown in Fig. 1, wherein the first direct current input filter circuit of inverter major loop includes
Fuse FU1, contactor KM1, the first pre-charge circuit of contactor KM2 series resistance R1 composition and LC DC filtering electricity
Road, contactor KM1 is in parallel with the first pre-charge circuit, and input terminal connects the output end of fuse FU1, and output end connects LC direct current
The input terminal of filter circuit.LC DC filtering circuit is made of filter reactance and Support Capacitor C1, and it is humorous to filter out DC input voitage
Wave stablizes input voltage.After direct current 750V input voltage powers on, it is first closed contactor KM2, by pre-charge resistance R1 to support
Capacitor C1 carries out current-limiting charge.When detecting that Support Capacitor C1 both end voltage and direct current 750V input voltage pressure difference be less than specified pressure
After difference, control main contactor KM1 closure disconnects contactor KM2, by the current-limiting charge of pre-charge resistance R1, reduces charging electricity
The impact to Support Capacitor C1 is flowed, is prolonged the service life.The power module of subordinate inverter uses IGBT device in the present embodiment
The first DC/DC full-bridge chopper circuit 1 and the first DC/AC inverter circuit 2 are constituted, and is integrated with Support Capacitor, output electric current biography
Sensor, gate drive circuit, absorbing circuit, low-inductance bus, temperature switch, temperature sensor etc..Gate drive circuit receives ACU
The pwm control signal of sending carries out switch operation to IGBT, while the functions such as overcurrent protection and fault detection for realizing IGBT.It is low
Inductance bus is arranged using MULTILAYER COMPOSITE bus, and stray inductance is small, and the shutdown overvoltage for effectively di/dt being inhibited to be formed avoids damaging
IGBT.Power module inputs 750V direct current after high frequency DC/DC and DC/AC transformation, through three-phase LC low-pass filtering, obtains three
Phase 380V alternating current realizes the protection of three-phase output by three-phase output contactor.
Similarly, the first direct current input filter of the second direct current input filter circuit of circuit for charging machine and inverter major loop
Circuit is almost the same, the second pre-charge circuit and RC direct current including contactor KM3, contactor KM2 series resistance R1 composition
Filter circuit, contactor KM3 is in parallel with the second pre-charge circuit, and input terminal connects the output of the first DC/DC full-bridge chopper circuit 1
End, output end connect RC DC filtering circuit input end, and RC DC filtering circuit output end connects the 2nd DC/DC translation circuit 3.
2nd DC/DC translation circuit includes that high voltage direct current chopping depressuring post filtering is obtained DC24V power supply by chopper circuit, transformer etc.
Voltage powers to vehicle low tension loop.Circuit for charging machine uses independent DC/DC converter design in the present embodiment, and DC/DC becomes
The output voltage range of parallel operation matches with battery charging characteristic curve, and takes into account the service life of direct-flow electricity utilization apparatus, DC/
The output voltage range of DC converter can pass through software adjustment.The high voltage input terminal of inverter major loop and circuit for charging machine is equipped with
Contactor protection and fuse protection, when any one DC/DC converter does not work, can show on drivers' cab display,
And the work for not influencing any DC load meets the normal operation of vehicle.
Emergency starting power circuit is also further devised in the present embodiment, the connection of emergency starting power circuit output end is inverse
Become the LC DC filtering circuit input end of device major loop, emergency starting power circuit includes sequentially connected 3rd DC/DC transformation
Circuit 4 and fuse FU3.Start automatically after emergency starting power detecting to high pressure and storage battery under-voltage, output DC24V electricity
Pressure provides control electricity for charger and subordinate inverter, guarantees that secondary power system can restart.
Two subordinate inverters are specifically arranged in full vehicle in the present embodiment, and auxiliary system uses can Parallel Design.Wherein one
After platform subordinate inverter failure, corresponding subordinate inverter output contactor is disconnected automatically, vehicle ac bus and the auxiliary is inverse
Become device isolation, automatically switching to another subordinate inverter is all AC load power supplies of vehicle, and in the feelings of load drop power
It is operated normally under condition, ensure that Redundancy Design.Whole system has the function of self diagnosis and fault data recorder, meanwhile, have with
The function of train bus-line MVB network communication realizes network-control, and can show screen display state and failure feelings in drivers' cab
Condition.
In the present embodiment according to above-mentioned subordinate inverter circuit separately designed inverter power module, charger module with
And emergency starting module etc..With reference to shown in Fig. 3, Fig. 4, Fig. 5, invention further provides a kind of auxiliary inversion devices, including
Body structure 5, body structure 5 every be set as successively riveting along the barricade that it is laterally arranged by being used to carry transformer and electricity
First inversion room 51 of anti-device, the centre for carrying inverter power module, charger module and emergency starting module are inverse
Become room 52, and the second inversion room 53 for carrying fan assembly；It is equipped with up and down in second inversion room 53 along its vertical direction
Horizontally disposed two pieces of isolation boards, by the second inversion room 53 every the air-blower control room 531 for being set as being used to carry controller of fan with
And the fan house 532 for carrying blower and the capacitor room 533 for carrying capacitance component.Wherein, the first inversion room 51 is set
It is calculated as open cavity configuration, the second inversion room 52 is designed as closed cavity configuration, and air-blower control room 531 and capacitor room 533 are designed as
Closed cavity configuration, fan house 532 is designed as open cavity configuration, with reference to shown in Fig. 2, Fig. 3.
Specifically, 5 bottom of body structure is provided with dismountable in the present embodiment with further reference to shown in Fig. 3, Fig. 4
One bottom cover plate 54, the first inversion room 51 are provided with dismountable first upper cover plate 511 and the first side cover plate 512, the first side
Cover plate 512 is equipped with thermovent 5121 and filter screen for heat dissipation, effectively prevent the first inversion using double filtration design
Room 51 enters sundries.Fan house 532 is provided with dismountable second side cover plate 5321, and second side cover plate 5321 is equipped with blinds wind
Mouth 53211 and filter screen prevent from entering sundries in fan house 532.Intermediate inversion room 52 is provided with dismountable intermediate upper cover plate
521, intermediate inversion room 52 is confined chamber, the bottom outside wall of intermediate inversion room 521 and the first bottom after intermediate upper cover plate 521 is closed
Inner cavity between portion's cover board 54 forms the first air duct 55, and 55 one end of the first air duct can be connected to fan house 532, and the other end can be connected to the
One inversion room 51 forms external main air duct, as shown in Figure 6, Figure 7.Blower 6 is placed in fan house 532 through second side cover plate
5321 53211 exhausting of air grille enters the charging in 55 pairs of the first air duct intermediate inversion room 52 of bottom after the exhausting of air port
Machine module, inverter power module and emergency starting module enter in the first inversion room 51 after being radiated to reactor and change
It is blown after the element radiatings such as depressor by the thermovent 5121 of the first side cover plate 512.This radiating mode is by an air duct to multiple
Component radiates in cavity, significantly more efficient that space structure in product, design is utilized compared to the design of other subordinate inverters
It is more rationally convenient.And first air duct 55 be arranged in except intermediate inversion room 52, guarantee the leakproofness of each separate chamber, it is whole close
It is more preferable to seal effect.Meanwhile in the present embodiment, the first inversion room 51 is designed as the structure of open cavity, inlet and outlet with fan house 532
Cover plate failure when facilitate replacement repair；Meanwhile each chamber is provided with dismountable cover board and cover plate, uses for cabinet
The maintenance of each chamber is provided convenience in the process, convenient for the maintenance and fault detection of product.
With further reference to shown in Fig. 3, Fig. 4, inverter power module, charger module and emergency starting in the present embodiment
Module is placed in the center of intermediate inversion room 52, intermediate 52 inner wall of inversion room and inverter power module, charger mould
Cavity between block and emergency starting module forms the second air duct 56, the i.e. interior circulation air path of intermediate inversion room 52, such as Fig. 8
It is shown.The second source 8 for being provided with centrifugal blower 7 on intermediate 52 inner wall of inversion room and powering for centrifugal blower 7, the second electricity
The voltage in source is different from the voltage of the first power supply of blower 6 of air-blower control room 531 is set to, and when centrifugal blower 7 starts, makes
Between 52 internal heat of inversion room more uniformly spread, avoid hot-spot, further improve and be designed in intermediate inversion room 52
Each component service life.
With further reference to be set to shown in Fig. 3, Fig. 4, in the present embodiment the first inversion room 51 the first upper cover plate 511, with
It is set to the intermediate upper cover plate 521 of intermediate inversion room 52 and is set on 5321 upper surface of second side cover plate of fan house 532
It is provided with trample protecting structure 58, preventing product from trampling cabinet in use causes the cover board of each inversion room to deform, and influences
Box body tightness.Knot is trampled with anti-respectively in first upper cover plate 511, intermediate upper cover plate 521 and 5321 upper surface of second side cover plate
Cavity between structure 58 is formed with along the third air duct 57 of its vertical direction conducting, this air duct is external natural cooling air duct, gas
Body circulation mode is as shown in figure 9, be provided with cooling fin 522 on the rear wall of intermediate inversion room 52, this air duct does not increase any device
Part is effectively radiated using traveling wind.
The body structure 5 of the present embodiment uses aluminum alloy material, the main production technology using riveting, with mitigate weight and
Thermal deformation, box house do not use frame structure, are not only effectively utilized inner space to the full extent, but also in certain journey
The weight of cabinet is alleviated on degree, at the same avoid welded in frame production process caused by cabinet precision it is inadequate, school shape process
Middle waste of manpower, financial resources, material resources.Body structure outer wall uses anodized, surface spray treatment is avoided, with better
Heat dissipation.Body structure front-rear side walls and the first upper cover plate 511 and intermediate upper cover plate 521 are disposed as double-layer structure, bilayer knot
Heat insulator (such as heat insulation foam) is provided between structure, to lower influence of the solar exposure to case body temperature.
In summary, auxiliary inversion device of the invention, body structure do not use conventional framework design, using point
Body formula riveted structure is arranged each independent chamber, is stitched together later, each chamber influences small, good airproof performance each other.Together
When, cabinet design redundancy air channel structure radiates, neither increase product structure size, and does not increase product weight, significantly
Improve heat dissipation effect.More traditional subordinate inverter design, subordinate inverter apparatus structure of the invention is more compact, layout is closed
Reason, integrated level are high, maintainability is good, antivibration effect is good, meet the narrow requirement of car body installation space；And sealing and heat dissipation effect
Preferably, it can achieve IP67 sealing grade within a certain height.
Claims (10)
1. a kind of subordinate inverter circuit, which is characterized in that including inverter major loop and circuit for charging machine, the inverter
Major loop includes the first direct current input filter circuit gradually connected, the first DC/DC full-bridge chopper circuit, the first DC/AC inversion
Circuit and three-phase alternating current filter circuit；The series electrical of the first DC/AC inverter circuit and three-phase alternating current filter circuit composition
Road is in parallel with the circuit for charging machine；The circuit for charging machine includes sequentially connected second direct current input filter circuit, second
DC/DC translation circuit and output rectification circuit, it is complete that the input terminal of the second direct current input filter circuit connects the first DC/DC
The output end of bridge chopper circuit.
2. subordinate inverter circuit according to claim 1, which is characterized in that the first direct current input filter circuit packet
Include fuse FU1, contactor KM1, the first pre-charge circuit and LC DC filtering circuit；The contactor KM1 and precharge
Circuit in parallel, input terminal connect the output end of fuse FU1, and output end connects the input terminal of LC DC filtering circuit；Described
Two direct current input filter circuits include contactor KM3, the second pre-charge circuit and RC DC filtering circuit, the contactor
KM3 is in parallel with the second pre-charge circuit, and input terminal connects the output end of the first DC/DC full-bridge chopper circuit, and output end connects RC
DC filtering circuit input end.
3. subordinate inverter circuit according to claim 2, which is characterized in that further comprise emergency starting power supply electricity
Road, the emergency starting power circuit output end connect LC DC filtering circuit input end, the emergency starting power circuit packet
Include sequentially connected 3rd DC/DC translation circuit and fuse FU3.
4. a kind of auxiliary inversion device, including body structure, which is characterized in that the body structure along it by being laterally arranged
Barricade is every the first inversion room for being used to carry transformer and reactor for being set as successively riveting, for carrying inverter power mould
The intermediate inversion room of block, charger module and emergency starting module, and the second inversion room for carrying fan assembly；Institute
It states in the second inversion room and is equipped with upper and lower horizontally disposed isolation board along its vertical direction, by second inversion room every being set as being used for
Carry the air-blower control room of controller of fan and the fan house for carrying blower；The inverter power module, charger
Module uses the described in any item circuit designs of claim 1-3, and the emergency starting module uses electricity as claimed in claim 3
Road design.
5. auxiliary inversion device according to claim 4, which is characterized in that first inversion room is provided with removably
First upper cover plate and the first side cover plate, the intermediate inversion room are provided with dismountable intermediate upper cover plate, and the fan house is set
It is equipped with dismountable second side cover plate；The thermovent and filter screen for heat dissipation are offered on the first side cover plate, it is described
Second side cover plate is equipped with air grille and filter screen.
6. auxiliary inversion device according to claim 5, which is characterized in that the body structure bottom is provided with detachably
The first bottom cover plate, inner cavity between the bottom outside wall and first bottom cover plate of the intermediate inversion room forms first
Air duct, first air duct one end can be connected to the fan house, and the other end can be connected to first inversion room.
7. according to the described in any item auxiliary inversion devices of claim 4-6, which is characterized in that in the intermediate inversion chamber interior walls
It is provided with centrifugal blower and the second source for centrifugal blower power supply, the intermediate inversion chamber interior walls and the inversion
Cavity between device power module, charger module and emergency starting module forms the second air duct.
8. auxiliary inversion device according to claim 7, which is characterized in that first upper cover plate, intermediate upper cover plate with
And the upper surface of second side cover plate is provided with trample protecting structure, first upper cover plate, intermediate upper cover plate and the second side cover
Cavity of the upper surface of plate respectively between the trample protecting structure is formed with along the third air duct that its vertical direction is connected.
9. auxiliary inversion device according to claim 8, which is characterized in that be arranged on the rear wall of the intermediate inversion room
There is cooling fin.
10. auxiliary inversion device according to claim 5, which is characterized in that the body structure outer wall uses anodic oxygen
Change processing, the front-rear side walls of the body structure and first upper cover plate and intermediate upper cover plate are disposed as double-layer structure,
Heat insulator is provided between the double-layer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469162.2A CN110112933B (en) | 2019-05-31 | 2019-05-31 | Auxiliary inverter |
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|---|---|---|---|
| CN201910469162.2A CN110112933B (en) | 2019-05-31 | 2019-05-31 | Auxiliary inverter |
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| CN110112933A true CN110112933A (en) | 2019-08-09 |
| CN110112933B CN110112933B (en) | 2020-09-25 |
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| CN201910469162.2A Active CN110112933B (en) | 2019-05-31 | 2019-05-31 | Auxiliary inverter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969855A (en) * | 2019-11-01 | 2020-11-20 | 西安爱科赛博电气股份有限公司 | Auxiliary power supply device for guide rail electric locomotive, guide rail electric locomotive and power supply method thereof |
| CN113659849A (en) * | 2021-08-18 | 2021-11-16 | 中车青岛四方车辆研究所有限公司 | Auxiliary converter device and railway vehicle |
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