CN206211856U - The integrated device and circuit board of inverter power unit - Google Patents
The integrated device and circuit board of inverter power unit Download PDFInfo
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- CN206211856U CN206211856U CN201621263920.3U CN201621263920U CN206211856U CN 206211856 U CN206211856 U CN 206211856U CN 201621263920 U CN201621263920 U CN 201621263920U CN 206211856 U CN206211856 U CN 206211856U
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Abstract
The utility model is related to electronic switching technology field,The utility model provides a kind of integrated device and circuit board of inverter power unit,Integrated device includes substrate,Setting rectification module is arranged in order on the substrate in the first direction,First IGBT module and the second IGBT module,Rectification module,First IGBT module and the second IGBT module are sequentially connected,By rectification module,First IGBT module and the second IGBT module are packaged on substrate,By rationally design arrangement mode and the input/output port for being connected,Can realize reducing dc bus circular current loop,Reduce dc bus loop middle impedance,So as to reduce the adverse effect caused by dc bus middle impedance causes the over-pressed and excessively stream of moment to IGBT,Simultaneously,Rectification circuit and H-bridge inverter circuit realize that integration is encapsulated,Can more preferably realize replacing stack bus bar using printed circuit board,Simplify the design of power cell major loop structure.
Description
Technical field
The utility model is related to electronic switching technology field, more particularly to a kind of inverter power unit integrated device and
Circuit board.
Background technology
The power cell of current multiple-unit tandem type high-voltage inverter is all using rectification, filtering, inversion two quadrant major loop
Topological circuit structure, as shown in figure 1, realizing friendship-straight conversion by rectification, then realizes that straight-friendship inversion is converted by IGBT,
Direct current as inverter power supply when, filter capacitor be mainly absorption come from the high-amplitude that inverter is asked for the power supply
Value pulsating current, prevents it that amplitude pulsating volage is produced in the impedance of the power supply, makes the mains fluctuations of inverter end
It is maintained at allowed band.Prevent the influence of overvoltage and instantaneous overvoltage from the power supply to inverter simultaneously.At present, as schemed
Shown in 2, power cell rectification, filtering, the part of inversion three of multiple-unit tandem type high-voltage inverter all use discrete device, pass through
Copper bar bus line carries out overlap joint line, forms two quadrant major loop.
Due to the limitation of structure itself, the program has following problem to above-mentioned major loop：
1) in power supply of the direct current as inverter, due to this dc source need by dc bus with it is inverse
Become device link, the size of dc bus direct impedance directly affects the design and effect of filter capacitor.Dc bus direct impedance
Size depend on copper bar bus line and building, due to being limited to using discrete device and topology layout, copper bar bus line itself
Impedance is just very big, and the impedance magnitude value is difficult measurement and design of Simulation, causes the design of filter capacitor more difficult, exists not true
It is qualitative.
2) due to the limitation reason using discrete device and topology layout, the dc bus being built into using stack bus bar
Current loop is big, thus it is big to build the dc bus impedance for coming.As shown in figure 3, being formed in dc source, H bridges and load
In current loop, because H bridges use discrete device, stack bus bar connection is connected through between switching device Q1, Q2, Q3, Q4,
Connecting copper bar circuit between device Q1, Q2, Q3, Q4 is long, and impedance is big, and the dv/dt and di/dt that the impedance is produced cause moment
Overvoltage and excessively stream, directly affect IGBT.
Utility model content
The purpose of this utility model is the integrated device and circuit board for providing a kind of inverter power unit, it is intended to solved
The DC bus current loop being built into using stack bus bar between unreasonable and discrete device is laid out using discrete device big
The problem big with impedance.
The utility model is achieved in that the utility model first aspect provides a kind of the integrated of inverter power unit
Device, the integrated device includes substrate, is arranged in order setting rectification module, an IGBT moulds on the substrate in the first direction
Block and the second IGBT module, the rectification module, first IGBT module and second IGBT module are sequentially connected；
It is sequentially provided with what is be connected with the rectification module on the substrate on the first side parallel with the first direction
An IGBT output ends and connect with second IGBT module that three-phase alternating current input and first IGBT module are connected
The 2nd IGBT output ends for connecing；
The second side relative with the first side is provided with connect corresponding with first IGBT module on the substrate
The IGBT inputs and the 2nd IGBT inputs of connection corresponding with second IGBT module for connecing；
3rd side adjacent with the first side and the second side and near the rectification module on the substrate
Side is provided with the first direct-flow positive pole end and the first direct current negative pole end, the first direct-flow positive pole end and the first direct current negative pole end
It is connected with the rectification module；
The four side relative with the 3rd side is provided with the second direct-flow positive pole end and the second direct current on the substrate
Negative pole end, the second direct-flow positive pole end and the second direct current negative pole end are connected with second IGBT module.
With reference in a first aspect, as the first implementation method of first aspect of the present utility model, the rectification module bag
Include along first group of diode, second group of diode and the 3rd group of diode that setting is arranged in order with the first direction, institute
State the R cross streams inputs that first group of first end of diode is connected in the three-phase alternating current input, second group of two pole
The first end of pipe connects the S-phase ac input end in the three-phase alternating current input, and the first end of the 3rd group of diode connects
Connect the T-phase ac input end in the three-phase alternating current input, the second end of first group of diode, second group of two pole
Second end of the second end of pipe and the 3rd group of diode connects altogether with the first direct-flow positive pole end, first group of two pole
3rd end of pipe, the 3rd end at the 3rd end of second group of diode and the 3rd group of diode and first direct current
Negative pole end connects altogether.
With reference to the first implementation method of first aspect, as second embodiment party of first aspect of the present utility model
Formula, first group of diode includes the first diode and the second diode, and the negative electrode of first diode is described first
Second end of group diode, the anode of first diode connects and constitutes described first altogether with the negative electrode of second diode
The first end of group diode, the anode of second diode is the 3rd end of first group of diode；
Second group of diode includes the 3rd diode and the 4th diode, and the negative electrode of the 3rd diode is described
Second group of second end of diode, the anode of the 3rd diode connects and constitutes described altogether with the negative electrode of the 4th diode
Second group of first end of diode, the anode of the 4th diode is the 3rd end of second group of diode；
The 3rd group of diode includes the 5th diode and the 6th diode, and the negative electrode of the 5th diode is described
3rd group of the second end of diode, the anode of the 5th diode connects and constitutes described altogether with the negative electrode of the 6th diode
The 3rd group of first end of diode, the anode of the 6th diode is the 3rd end of the 3rd group of diode.
With reference in a first aspect, as the third implementation method of first aspect of the present utility model, an IGBT moulds
Block includes that, along the IGBT units and the 2nd IGBT units that setting is arranged in order with the first direction, an IGBT is mono-
The first end of unit connects the first direct-flow positive pole end by the rectification module, and the first end of an IGBT units is simultaneously led to
Cross second IGBT module and connect the second direct-flow positive pole end, the second end connection described first of an IGBT units
First input end in IGBT inputs, the 3rd end of an IGBT units connects altogether with the first end for connecing the 2nd IGBT units
And connect the second input in an IGBT output ends and an IGBT inputs, the 2nd IGBT units
The second end connect the 3rd input in the IGBT inputs, the 3rd end of the 2nd IGBT units is by described
Rectification module connects the first direct current negative pole end, the 3rd end of the 2nd IGBT units and by second IGBT module
Connect the second direct current negative pole end, the 3rd end of the 2nd IGBT units and connect in an IGBT inputs
Four inputs.
With reference to the third implementation method of first aspect, as the 4th kind of embodiment party of first aspect of the present utility model
Formula, an IGBT units include an IGBT and the first diode, the colelctor electrode and the described 1st of an IGBT
The negative electrode of pole pipe connects and constitutes the first end of an IGBT units altogether, and the grid of an IGBT is an IGBT
Second end of unit, the emitter stage of an IGBT connects and constitutes an IGBT altogether with the anode of first diode
3rd end of unit；
The 2nd IGBT units include the 2nd IGBT and the second diode, the colelctor electrode of the 2nd IGBT and described the
The negative electrode of two diodes connects and constitutes the first end of the 2nd IGBT units altogether, and the grid of the 2nd IGBT is described second
Second end of IGBT units, the emitter stage of the 2nd IGBT connects and constitutes described second altogether with the anode of second diode
3rd end of IGBT units.
With reference to the third implementation method of first aspect, as the 5th kind of embodiment party of first aspect of the present utility model
Formula, second IGBT module is included along mono- with the 3rd IGBT units and the 4th IGBT that the first direction is arranged in order setting
Unit, the first end of the 3rd IGBT units connects the first end of an IGBT units, and the of the 3rd IGBT units
Two ends connect the first input end in the 2nd IGBT inputs, the 3rd end and the described 4th of the 3rd IGBT units
The first end of IGBT units connects and connects the second input in the 2nd IGBT output ends and the 2nd IGBT inputs altogether
End, the second end of the 4th IGBT units connects the 3rd input in the 2nd IGBT inputs, the 4th IGBT
The 4th input in 2nd IGBT inputs described in the three-terminal link of unit.
With reference to the 5th kind of implementation method of first aspect, as the 6th kind of embodiment party of first aspect of the present utility model
Formula, the 2nd IGBT units include the 3rd IGBT and the 3rd diode, the colelctor electrode and the described 3rd 2 of the 3rd IGBT
The negative electrode of pole pipe connects and constitutes the first end of the 3rd IGBT units altogether, and the grid of the 3rd IGBT is the 3rd IGBT
Second end of unit, the emitter stage of the 3rd IGBT connects and constitutes the 3rd IGBT altogether with the anode of the 3rd diode
3rd end of unit；
The 4th IGBT units include the 4th IGBT and the 4th diode, the colelctor electrode of the 4th IGBT and described the
The negative electrode of four diodes connects and constitutes the first end of the 4th IGBT units altogether, and the grid of the 4th IGBT is the described 4th
Second end of IGBT units, the emitter stage of the 4th IGBT connects and constitutes the described 4th altogether with the anode of the 4th diode
3rd end of IGBT units.
With reference in a first aspect, as the 7th kind of implementation method of first aspect of the present utility model, the rectification module, institute
State and connected by covering copper and riveting lead between the first IGBT module and second IGBT module.
The utility model second aspect provides a kind of circuit board, the circuit board include above-mentioned first aspect and its first
The integrated device and filter capacitor module of the inverter power unit described in implementation method to the 7th kind of implementation method, the filtering
Capacitance module connects the first direct-flow positive pole end, the first direct current negative pole end, the second direct-flow positive pole end and described
Second direct current negative pole end.
With reference to second aspect, as the first implementation method of second aspect of the present utility model, on the circuit board also
Control module is provided with, control zone of the control panel on the circuit board, the control module connects an IGBT
Input and the 2nd IGBT inputs.
A kind of integrated device of inverter power unit of the utility model is circuit board, by rectification module, an IGBT moulds
Block and the second IGBT module are packaged on substrate, by rationally design arrangement mode and the input/output terminal for being connected
Mouthful, it is possible to achieve reduce dc bus circular current loop, dc bus loop middle impedance is reduced, so as to reduce because in dc bus
The dv/dt and di/dt of impedance cause the adverse effect that the overvoltage of moment and excessively stream cause to IGBT, meanwhile, rectification circuit and H bridges
Inverter circuit realizes that integration is encapsulated, and can more preferably realize replacing stack bus bar using printed circuit board, simplifies power cell master
Loop structure is designed.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, below will be to embodiment or prior art
The accompanying drawing to be used needed for description is briefly described, it should be apparent that, drawings in the following description are only new this practicality
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of circuit diagram of power cell that prior art is provided；
Fig. 2 is a kind of structure chart of power cell that prior art is provided；
Fig. 3 is the circuit diagram of another power cell that prior art is provided；
Fig. 4 is the structural representation of the integrated device of the inverter power unit that a kind of embodiment of the utility model is provided；
Fig. 5 is the structure chart of the integrated device of the inverter power unit that a kind of embodiment of the utility model is provided；
Fig. 6 is the circuit diagram of the integrated device of the inverter power unit that a kind of embodiment of the utility model is provided；
Fig. 7 is a kind of structure chart of circuit board that the utility model another kind embodiment is provided.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
In order to illustrate the technical solution of the utility model, illustrated below by specific embodiment.
The utility model embodiment one provides a kind of integrated device of inverter power unit, as shown in Figures 4 to 6, collection
Include substrate into device, be arranged in order setting rectification module 101, the first IGBT module 102 and the on substrate in the first direction
Two IGBT modules 103, rectification module 101, the first IGBT module 102 and the second IGBT module 103 are sequentially connected；
It is sequentially provided with the first side parallel with first direction on substrate defeated with the three-phase alternating current that rectification module 101 is connected
Enter the IGBT output ends 12 that 11 and first IGBT module of end 102 is connected and be connected with the second IGBT module 103 second
IGBT output ends 13；
The second side relative with first side is provided with first be connected with the correspondence of the first IGBT module 102 on substrate
IGBT inputs 18 and the 2nd IGBT inputs 19 with the corresponding connection of the second IGBT module 103；
To be provided with first straight for and the 3rd side near rectification module 101 adjacent with first side and second side on substrate
The stream direct current negative pole end 17 of positive terminal 16 and first, the first direct-flow positive pole end 16 and the first direct current negative pole end 17 and rectification module 101
It is connected；
The four side relative with the 3rd side is provided with the second direct-flow positive pole end 14 and the second direct current negative pole end on substrate
15, the second direct-flow positive pole end 14 and the second direct current negative pole end 15 are connected with the second IGBT module 103.
For rectification module 101, can be realized using the array of diode composition, as a kind of implementation method, specifically,
Rectification module 101 include along and first direction be arranged in order setting first group of diode, 121, second group of diode 122 and
3rd group of diode 123, the R cross streams inputs in first group of first end connection three-phase alternating current input 11 of diode 121,
S-phase ac input end in second group of first end connection three-phase alternating current input 11 of diode 122, the 3rd group of diode 123
First end connection three-phase alternating current input 11 in T-phase ac input end, first group of second end of diode 121, second group
Second end of diode 122 and the 3rd group of the second end of diode 123 connect altogether with the first direct-flow positive pole end 16, first group of two pole
3rd end of pipe 121, the 3rd end and the 3rd group of the 3rd end of diode 123 of second group of diode 122 are born with the first direct current
Extreme 17 connect altogether.
Wherein, first group of diode 121 includes the first diode D1 and the second diode D2, the negative electrode of the first diode D1
For first group of second end of diode 121, the negative electrode of the anode of the first diode D1 and the second diode D2 connects and constitutes altogether
One group of first end of diode 121, the anode of the second diode D2 is first group of the 3rd end of diode 121；
Second group of diode 122 includes the 3rd diode D3 and the 4th diode D4, and the negative electrode of the 3rd diode D3 is the
Two groups of second ends of diode 122, the anode of the 3rd diode D3 and the negative electrode of the 4th diode D4 connect and constitute second group altogether
The first end of diode 122, the anode of the 4th diode D4 is second group of the 3rd end of diode 122；
3rd group of diode 123 includes the 5th diode D5 and the 6th diode D6, and the negative electrode of the 5th diode D5 is the
Three groups of second ends of diode 123, the anode of the 5th diode D5 and the negative electrode of the 6th diode D6 connect and constitute the 3rd group altogether
The first end of diode 123, the anode of the 6th diode D6 is the 3rd group of the 3rd end of diode 123.
For the first IGBT module 102, specifically, the first IGBT module 102 includes that edge is arranged in order with first direction setting
The IGBT units 124 put and the 2nd IGBT units 125, the first end of an IGBT units 124 are connected by rectification module 101
The first direct-flow positive pole end 16 is connect, the first end of an IGBT units 124 is simultaneously connecting the second direct current just by the second IGBT module 103
Extreme 14, the second end of an IGBT units 124 connects the first input end in an IGBT inputs 18, an IGBT units
124 the 3rd end connects and is connected an IGBT output ends 12 and an IGBT altogether with the first end for connecing the 2nd IGBT units 125
The second input in input 18, the 3rd in the first IGBT inputs 18 of the second end connection of the 2nd IGBT units 125 is defeated
Enter end, the 3rd end of the 2nd IGBT units 125 connects the first direct current negative pole end 17, the 2nd IGBT units by rectification module 101
125 the 3rd end simultaneously connects the second direct current negative pole end 15, the 3rd end of the 2nd IGBT units 125 by the second IGBT module 103
And connect the 4th input in an IGBT inputs 18.
First IGBT units 124 include an IGBT and the first diode D1, the colelctor electrode of an IGBT and the one or two pole
The negative electrode of pipe D1 connects and constitutes the first end of an IGBT units 124 altogether, and the grid of an IGBT is an IGBT units 124
The anode of the second end, the emitter stage of an IGBT and the first diode D1 connects and constitutes the 3rd end of an IGBT units 124 altogether；
2nd IGBT units 125 include the 2nd IGBT and the second diode D2, the colelctor electrode of the 2nd IGBT and the two or two pole
The negative electrode of pipe D2 connects and constitutes the first end of the 2nd IGBT units 125 altogether, and the grid of the 2nd IGBT is the 2nd IGBT units 125
The anode of the second end, the emitter stage of the 2nd IGBT and the second diode D2 connects and constitutes the 3rd end of the 2nd IGBT units 125 altogether.
Second IGBT module 103 is included along the 3rd IGBT units 126 and the 4th that setting is arranged in order with first direction
IGBT units 127, the first end of the 3rd IGBT units 126 connects the first end of an IGBT units 124, the 3rd IGBT units
126 the second end connects the first input end in the 2nd IGBT inputs 19, the 3rd end and the 4th of the 3rd IGBT units 126
The first end of IGBT units 127 connects and connects the second input in the 2nd IGBT output ends 13 and the 2nd IGBT inputs 19 altogether
End, the second end of the 4th IGBT units 127 connects the 3rd input in the 2nd IGBT inputs 19, the 4th IGBT units 127
The IGBT inputs 19 of three-terminal link the 2nd in the 4th input.
2nd IGBT units 125 include the 3rd IGBT and the 3rd diode D3, the colelctor electrode of the 3rd IGBT and the three or two pole
The negative electrode of pipe D3 connects and constitutes the first end of the 3rd IGBT units 126 altogether, and the grid of the 3rd IGBT is the 3rd IGBT units 126
Second end, the emitter stage of the 3rd IGBT and the anode of the 3rd diode D3 connect and constitute the 3rd end of the 3rd IGBT units 126 altogether；
4th IGBT units 127 include the 4th IGBT and the 4th diode D4, the colelctor electrode of the 4th IGBT and the four or two pole
The negative electrode of pipe D4 connects and constitutes the first end of the 4th IGBT units 127 altogether, and the grid of the 4th IGBT is the 4th IGBT units 127
Second end, the emitter stage of the 4th IGBT and the anode of the 4th diode D4 connect and constitute the 3rd end of the 4th IGBT units 127 altogether.
By covering copper and riveting lead between rectification module 101, the first IGBT module 102 and the second IGBT module 103
Connection.
A kind of integrated device of inverter power unit of the utility model, by rectification module 101, the first IGBT module 102
And second IGBT module 103 be packaged on substrate, by rationally design arrangement mode and the input and output that are connected
Port, it is possible to achieve reduce dc bus circular current loop, reduces dc bus loop middle impedance, so as to reduce because of dc bus
Dv/dt and di/dt that middle impedance causes cause the adverse effect to IGBT, meanwhile, rectification circuit and H-bridge inverter circuit are realized whole
Bodyization is encapsulated, and can more preferably realize replacing stack bus bar using printed circuit board, simplifies the design of power cell major loop structure.
The utility model another kind embodiment provides a kind of circuit board, and circuit board includes the inverter that above-described embodiment is provided
The integrated device and filter capacitor module 131 of power cell, filter capacitor module connect the first direct-flow positive pole end 16, the first direct current
Negative pole end 17, the second direct-flow positive pole end 14 and the second direct current negative pole end 15.
Control module, control zone 133 of the control panel on the circuit board, control module connection are additionally provided with circuit board
First IGBT inputs 18 and the 2nd IGBT inputs 19.
Filter capacitor module 131 goes here and there N simultaneously using 400V electric capacity 3, and capacitances in series covers copper electric capacity just by printed board
Negative pole is together in series, and electric capacity is connected in parallel on electric current electrode input end DC+, the electric current cathode output end DC- for covering copper, and printed board is used
4 laminates, electric current electrode input end DC+ covers copper bus-bar and uses Chong Die cabling with electric current cathode output end DC-.Because DC+/DC- is adopted
With stack bus bar technology, the area of current loop 1 is minimum, and bus stray inductance is minimum, so as in greatly reducing busbar
Dv/dt and di/dt.
As shown in fig. 7, leaving enough spaces between filter capacitor module and integrated device, the region is power cell master
The input R/S/T in loop, output ACO/ACI wiring are interval；For the ease of cabling, binding post uses displaced manner.Device is left
Right both sides PCN plates directly walk DC+/DC- and cover copper without layout device, are easy to be input into R/S/T, the cabling of output ACO/ACI lines.
As shown in fig. 7, device bottom is the controller area 133 of Switching Power Supply, detection sampling and IGBT drive circuit, it is whole
Individual PCN plates contain Switching Power Supply, detection sampling, IGBT and drive and firmly topological loop circuit part, and major loop busbar passes through
PCN plates cover the realization of copper laminated bus, its power cell structure is simplified significantly, generalization, and whole power cell is only needed to
The PCN circuit boards and power unit control plate, and this is connected using flexible cord, it is simple and reliable.Meanwhile, high and low pressure part separates cloth
Office, substantially increases the anti-EMC abilities of product, improves product reliability.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, make some equivalent substitutes or obvious modification without departing from the concept of the premise utility, and performance or
Purposes is identical, should all be considered as belonging to the scope of patent protection that the claims of the utility model by being submitted to determine.
Claims (10)
1. a kind of integrated device of inverter power unit, it is characterised in that the integrated device includes substrate, on the substrate
It is arranged in order setting rectification module, the first IGBT module and the second IGBT module in the first direction, it is the rectification module, described
First IGBT module and second IGBT module are sequentially connected；
The three-phase being connected with the rectification module is sequentially provided with the substrate on the first side parallel with the first direction
First IGBT output ends of ac input end and first IGBT module connection and it is connected with second IGBT module
2nd IGBT output ends；
The second side relative with the first side is provided be connected with first IGBT module corresponding on the substrate
First IGBT inputs and the 2nd IGBT inputs of connection corresponding with second IGBT module；
On the substrate on the 3rd side of adjacent with the first side and the second side and close rectification module
It is provided with the first direct-flow positive pole end and the first direct current negative pole end, the first direct-flow positive pole end and the first direct current negative pole end and institute
Rectification module is stated to be connected；
The four side relative with the 3rd side is provided with the second direct-flow positive pole end and the second direct current negative pole on the substrate
End, the second direct-flow positive pole end and the second direct current negative pole end are connected with second IGBT module.
2. integrated device as claimed in claim 1, it is characterised in that the rectification module include along with the first direction according to
First group of diode of secondary spread configuration, second group of diode and the 3rd group of diode, the first of first group of diode
R cross streams inputs in the end connection three-phase alternating current input, the first end connection described three of second group of diode
S-phase ac input end in cross streams input, the first end of the 3rd group of diode connects the three-phase alternating current input
In T-phase ac input end, the second end of first group of diode, the second end of second group of diode and described
Three groups of second ends of diode connect altogether with the first direct-flow positive pole end, the 3rd end, described second of first group of diode
3rd end of group diode and the 3rd end of the 3rd group of diode connect altogether with the first direct current negative pole end.
3. integrated device as claimed in claim 2, it is characterised in that first group of diode includes the first diode and the
Two diodes, the negative electrode of first diode is the second end of first group of diode, the anode of first diode
Connect and constitute the first end of first group of diode, the anode of second diode altogether with the negative electrode of second diode
It is the 3rd end of first group of diode；
Second group of diode includes the 3rd diode and the 4th diode, and the negative electrode of the 3rd diode is described second
Second end of group diode, the anode of the 3rd diode connects and constitutes described second altogether with the negative electrode of the 4th diode
The first end of group diode, the anode of the 4th diode is the 3rd end of second group of diode；
The 3rd group of diode includes the 5th diode and the 6th diode, and the negative electrode of the 5th diode is the described 3rd
Second end of group diode, the anode of the 5th diode connects and constitutes the described 3rd altogether with the negative electrode of the 6th diode
The first end of group diode, the anode of the 6th diode is the 3rd end of the 3rd group of diode.
4. integrated device as claimed in claim 1, it is characterised in that first IGBT module include along and the first party
To the IGBT units and the 2nd IGBT units that are arranged in order setting, the first end of an IGBT units is by described whole
Flow module connects the first direct-flow positive pole end, and the first end of an IGBT units is simultaneously connected by second IGBT module
The second direct-flow positive pole end is connect, first in the second end connection the first IGBT inputs of an IGBT units is defeated
Enter end, the 3rd end of an IGBT units connects altogether with the first end for connecing the 2nd IGBT units and to be connected an IGBT defeated
The second input gone out in end and an IGBT inputs, the second end connection described first of the 2nd IGBT units
The 3rd input in IGBT inputs, the 3rd end of the 2nd IGBT units connects described first by the rectification module
Direct current negative pole end, the 3rd end of the 2nd IGBT units simultaneously connects the second direct current negative pole by second IGBT module
End, the 3rd end of the 2nd IGBT units simultaneously connects the 4th input in an IGBT inputs.
5. integrated device as claimed in claim 4, it is characterised in that an IGBT units include an IGBT and first
Diode, the colelctor electrode of an IGBT and the negative electrode of first diode connect and constitute an IGBT units altogether
First end, the grid of an IGBT is the second end of an IGBT units, the emitter stage of an IGBT and institute
The anode for stating the first diode connects and constitutes the 3rd end of an IGBT units altogether；
The 2nd IGBT units include the 2nd IGBT and the second diode, the colelctor electrode and the described 2nd 2 of the 2nd IGBT
The negative electrode of pole pipe connects and constitutes the first end of the 2nd IGBT units altogether, and the grid of the 2nd IGBT is the 2nd IGBT
Second end of unit, the emitter stage of the 2nd IGBT connects and constitutes the 2nd IGBT altogether with the anode of second diode
3rd end of unit.
6. integrated device as claimed in claim 4, it is characterised in that second IGBT module include along and the first party
To the 3rd IGBT units and the 4th IGBT units that are arranged in order setting, the first end connection of the 3rd IGBT units described the
The first end of one IGBT units, the second end of the 3rd IGBT units connects the first input in the 2nd IGBT inputs
End, the 3rd end of the 3rd IGBT units connects altogether with the first end of the 4th IGBT units and to be connected the 2nd IGBT defeated
The second input gone out in end and the 2nd IGBT inputs, the second end connection described second of the 4th IGBT units
The 3rd input in IGBT inputs, in the 2nd IGBT inputs described in the three-terminal link of the 4th IGBT units
Four inputs.
7. integrated device as claimed in claim 6, it is characterised in that the 2nd IGBT units include the 3rd IGBT and the 3rd
Diode, the colelctor electrode of the 3rd IGBT and the negative electrode of the 3rd diode connect and constitute the 3rd IGBT units altogether
First end, the grid of the 3rd IGBT is the second end of the 3rd IGBT units, the emitter stage of the 3rd IGBT and institute
The anode for stating the 3rd diode connects and constitutes the 3rd end of the 3rd IGBT units altogether；
The 4th IGBT units include the 4th IGBT and the 4th diode, the colelctor electrode and the described 4th 2 of the 4th IGBT
The negative electrode of pole pipe connects and constitutes the first end of the 4th IGBT units altogether, and the grid of the 4th IGBT is the 4th IGBT
Second end of unit, the emitter stage of the 4th IGBT connects and constitutes the 4th IGBT altogether with the anode of the 4th diode
3rd end of unit.
8. integrated device as claimed in claim 1, it is characterised in that the rectification module, first IGBT module and
Connected by covering copper and riveting lead between second IGBT module.
9. a kind of circuit board, it is characterised in that the circuit board includes the inverter work(described in claim 1 to 8 any one
The integrated device and filter capacitor module of rate unit, the filter capacitor module connect the first direct-flow positive pole end, described the
One direct current negative pole end, the second direct-flow positive pole end and the second direct current negative pole end.
10. circuit board as claimed in claim 9, it is characterised in that control module, the control are additionally provided with the circuit board
Control zone of the plate on the circuit board, the control module connects an IGBT inputs and the 2nd IGBT is defeated
Enter end.
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| CN201621263920.3U CN206211856U (en) | 2016-11-23 | 2016-11-23 | The integrated device and circuit board of inverter power unit |
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| CN201621263920.3U CN206211856U (en) | 2016-11-23 | 2016-11-23 | The integrated device and circuit board of inverter power unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107911033A (en) * | 2017-12-20 | 2018-04-13 | 西安中车永电电气有限公司 | Optimize the design method and locomotive unsteady flow power cell of main circuit totality stray inductance |
| CN108092524A (en) * | 2016-11-23 | 2018-05-29 | 深圳市昭恒新能源技术有限公司 | The integrated device and circuit board of inverter power unit |
-
2016
- 2016-11-23 CN CN201621263920.3U patent/CN206211856U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092524A (en) * | 2016-11-23 | 2018-05-29 | 深圳市昭恒新能源技术有限公司 | The integrated device and circuit board of inverter power unit |
| CN107911033A (en) * | 2017-12-20 | 2018-04-13 | 西安中车永电电气有限公司 | Optimize the design method and locomotive unsteady flow power cell of main circuit totality stray inductance |
| CN107911033B (en) * | 2017-12-20 | 2024-03-26 | 西安中车永电电气有限公司 | Design method for optimizing total stray inductance of main circuit and locomotive variable-current power unit |
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