CN107070256B - A kind of power module and the photovoltaic combining inverter using the module - Google Patents
A kind of power module and the photovoltaic combining inverter using the module Download PDFInfo
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- CN107070256B CN107070256B CN201710087612.2A CN201710087612A CN107070256B CN 107070256 B CN107070256 B CN 107070256B CN 201710087612 A CN201710087612 A CN 201710087612A CN 107070256 B CN107070256 B CN 107070256B
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- cabinet
- heat dissipation
- igbt module
- dissipation channel
- copper bar
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 69
- 239000003990 capacitor Substances 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 57
- 229910052802 copper Inorganic materials 0.000 claims description 57
- 239000010949 copper Substances 0.000 claims description 57
- 239000000758 substrate Substances 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The present invention relates to a kind of power module and use the photovoltaic combining inverter of the module, photovoltaic combining inverter includes cabinet and the power module that is mounted in cabinet, power module includes cabinet and the bus capacitor group, radiator and the IGBT module that are mounted in cabinet, there is the heat dissipation channel divulged information from bottom to top and the installation cavity installed for bus capacitor group and IGBT module positioned at heat dissipation channel or so side in cabinet, the air inlet of heat dissipation channel is located at the bottom of cabinet, and air outlet is located at the top of cabinet.The heat dissipation of power module of the present invention is from the overall situation of inverter, using outlet air on lower air inlet, heat dissipation channel is above and below cabinet, and the air inlet of cabinet lower end and the reactor face below inverter, big air inlet forms the heat dissipation wind channel of circumferential seal at the top of the air outlet and inverter of cabinet upper end, the heat that reactor, IGBT module generate is discharged outside cabinet by heat dissipation channel, good heat dissipation effect.
Description
Technical field
The present invention relates to a kind of power module and use the photovoltaic combining inverter of the module.
Background technique
Solar energy is universal with it, harmless, huge as one of inexhaustible, pollution-free, most clean energy
And permanent four big advantage becomes the first choice of generation of electricity by new energy.Develop and photovoltaic power generation technology is widely applied for alleviating conventional energy resource
Shortage, reducing environmental pollution plays a significant role.Core component of the power module as photovoltaic combining inverter, electric property
Quality and topology layout reasonability, directly determine the performance and outer dimension of inverter.
Currently, the design of the power module of typical high power photovoltaic combining inverter is also confined to the part of main components
In modularized design, leading to power module, there are the following problems: 1. module designs do not consider from the integral layout of inverter, lead
Cause the layout of component unreasonable, space utilization rate is low, and cabling complexity is in disorder.2. the heat dissipation of power module mostly use greatly front and back into
The mode of wind carries out local heat dissipation to it using small blower, and heat dissipation effect is bad.3. the frame of power module is mostly welding
Formula, not only appearance is coarse, is difficult to ensure welding precision, and production installation effectiveness is not also high.4. power module is installed to cabinet body and adopts more
Hole is adjusted to be bolted fixed mode with long, positioning is inaccurate, to influence the wiring effect of disengaging connection jaws.These problems
Presence directly limit the topology layout and outer dimension of photovoltaic combining inverter.
Such as the Chinese utility model patent that Authorization Notice No. is CN203851040U discloses a kind of compact type power mould
Block structure, the structure include cabinet and the dc-link capacitance group, radiator, the IGBT module that are mounted in cabinet, DC bus
Capacitance group is mounted in cabinet along the longitudinal direction, and radiator is mounted on the side of dc-link capacitance group, IGBT module and direct current
Bus capacitor group is arranged side by side and is fixedly mounted on a heat sink, before the air inlet and air outlet of cabinet are located at cabinet
Afterwards both ends and with radiator passage face, a heat dissipation channel from front to back is formed in cabinet.
Although the layout of above-mentioned power module architectures is relatively reasonable, since the heat dissipation channel in cabinet is located at IGBI mould
The bottom position of block, only can the IGBI module to power module radiate, and can not other positions to power module into
Row heat dissipation, causes heat dissipation effect bad.
Summary of the invention
The purpose of the present invention is to provide a kind of power modules of good heat dissipation effect.The object of the invention is also to provide one
Kind uses the photovoltaic combining inverter of the power module.
To achieve the above object, the technical scheme is that
A kind of power module, including cabinet and the bus capacitor group, radiator and the IGBT module that are mounted in cabinet, machine
There is the heat dissipation channel divulged information from bottom to top and positioned at heat dissipation channel or so side for bus capacitor group and IGBT mould in case
The installation cavity of block installation, the air inlet of heat dissipation channel are located at the bottom of cabinet, and air outlet is located at the top of cabinet.
Bus capacitor group and IGBT module setting side by side up and down and bus capacitor group are located at the top of IGBT module, bus electricity
Appearance group is connect by stack bus bar with IGBT module.
Cabinet includes side plate and the front end panel and rear bearing sheet that are arranged face-to-face, and the side plate constitutes a left side for heat dissipation channel
Side wall, back and front supporting plate respectively constitute the forward and backward side wall of heat dissipation channel;Radiator be mounted on front end panel and rear bearing sheet it
Between, radiator includes substrate and the radiating fin that is fixed on substrate, and substrate constitutes the right side wall of heat dissipation channel or constitutes heat dissipation
A part of channel right side wall, radiating fin are located in heat dissipation channel, and IGBT module is installed on the substrate.
The front end of the stack bus bar is equipped with input terminal, and lower end is equipped with the output terminal for connecting with IGBT module,
Cabinet is interior to be equipped with direct current input switching copper bar in front of stack bus bar, and the upper end of direct current input switching copper bar is inputted with corresponding
Terminal connection, the lower end of direct current input switching copper bar are the input terminal for input dc power.
Three-phase alternating current output switching copper bar, each mutually exchange output switching copper bar are installed below IGBT module in cabinet
Front end connect with IGBT module, the rear end of each mutually exchange output switching copper bar is the output end for exporting alternating current.
The cabinet is drawer-type structure, the rear end of cabinet be equipped with for after cabinet guiding is installed in place with it is grid-connected
The Locating pilot pin of the cabinet location fit of inverter.
A kind of photovoltaic combining inverter including cabinet and is mounted on the power module of interior of equipment cabinet, the power module
Including cabinet and the bus capacitor group, radiator and the IGBT module that are mounted in cabinet, has in cabinet and divulge information from bottom to top
Heat dissipation channel and the installation cavity installed positioned at heat dissipation channel or so side for bus capacitor group and IGBT module, heat dissipation it is logical
The air inlet in road is located at the bottom of cabinet, and air outlet is located at the top of cabinet.
Bus capacitor group and IGBT module setting side by side up and down and bus capacitor group are located at the top of IGBT module, bus electricity
Appearance group is connect by stack bus bar with IGBT module.
Cabinet includes side plate and the front end panel and rear bearing sheet that are arranged face-to-face, and the side plate constitutes a left side for heat dissipation channel
Side wall, back and front supporting plate respectively constitute the forward and backward side wall of heat dissipation channel, radiator be mounted on front end panel and rear bearing sheet it
Between, radiator includes substrate and the radiating fin that is fixed on substrate, and substrate constitutes the right side wall of heat dissipation channel or constitutes heat dissipation
A part of channel right side wall, radiating fin are located in heat dissipation channel, and IGBT module is installed on the substrate.
The front end of the stack bus bar is equipped with input terminal, and lower end is equipped with the output terminal for connecting with IGBT module,
Cabinet is interior to be equipped with direct current input switching copper bar in front of stack bus bar, and the upper end of direct current input switching copper bar is inputted with corresponding
Terminal connection, the lower end of direct current input switching copper bar are the input terminal for input dc power, and cabinet is interior under IGBT module
Side is equipped with three-phase alternating current output switching copper bar, and the front end of each mutually exchange output switching copper bar is connect with IGBT module, each to intersect
The rear end of stream output switching copper bar is the output end for exporting alternating current.
The beneficial effects of the present invention are: when power module is installed in the cabinet of photovoltaic combining inverter in the present invention, machine
Case, which erects, to be come and is mounted in cabinet, and the heat dissipation of entire power module is from the overall situation of inverter, using outlet air on lower air inlet,
Heat dissipation channel is above and below cabinet, and the air inlet of chassis bottom and the reactor face below inverter, enclosure top
Big air inlet forms independent heat dissipation wind channel at the top of air outlet and inverter, and the heat that reactor, IGBT module generate is equal
It is discharged outside cabinet by heat dissipation channel, good heat dissipation effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the cabinet of power module embodiment 1 of the present invention (cabinet stands up state);
Fig. 2 is the structural schematic diagram of the stack bus bar of power module embodiment 1 of the present invention;
Fig. 3 is point of radiator, IGBT module and bus capacitor group in cabinet in power module embodiment 1 of the present invention
Cloth schematic diagram (cabinet laid-flat status);
Fig. 4 be Fig. 3 in cabinet install direct current input switching copper bar and exchange input transfer copper bar after structural schematic diagram
(cabinet laid-flat status);
Fig. 5 is structural schematic diagram when cabinet is stood up in Fig. 4;
Fig. 6 is the overall structure diagram of power module embodiment 1 of the present invention (cabinet stands up state);
Fig. 7 is the schematic diagram of the heat dissipation channel of power module embodiment 1 of the present invention (cabinet stands up state).
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment 1 of power module of the present invention, as shown in Figures 1 to 5, the power module include cabinet 1 and peace
Bus capacitor group 2, IGBT module 3 inside cabinet 1, radiator 4.When power module is installed to photovoltaic combining inverter
When in cabinet, cabinet 1 cooperates in such a way that guide rail imports with cabinet pull, realizes Fast Installation.Cabinet 1 uses aluminum clad zinc plate
It is composed by screw installation, the cabinet of opposite welded type, installation accuracy of the invention is higher, improves production installation effect
Rate.In order to guarantee accurate positioning, the rear end of cabinet 1 is provided with Locating pilot pin 18, when power module is installed in place, Locating pilot pin
18 with cabinet location fit, thus guarantee pass in and out line interface wiring effect.
Cabinet 1 includes side plate 11, upper head plate 12, bottom plate 13 and the front end panel 15 and rear bearing sheet being arranged face-to-face
14.One end of the separate side plate 11 of front end panel 15 and rear bearing sheet 14, which is equipped with, turns edge 111, turns edge and offers bolt on 111
Perforation, interval is installed with upper mounting plate 16 and lower installation board 17, upper peace one on the other between front end panel 15 and rear bearing sheet 14
Loading board 16 is close to upper head plate 12, and lower installation board 17 is close to bottom plate 13, wherein lower installation board 17 is set with the integrated molding of bottom plate 13
It sets.Radiator installation position is formed between upper mounting plate 16 and lower installation board 17, radiator 4 includes substrate 41 and is mounted on substrate 41
On radiating fin 42, radiator 4 is mounted between front end panel 15 and rear bearing sheet 14;Specific mounting means is substrate
41 rear and front end is bolted to connection with turning edge on front end panel 15 and rear bearing sheet 14 respectively, and radiating fin 42
Between side plate 11 and substrate 41.
Side plate 11, front end panel 15, rear bearing sheet 14 and substrate 41, upper mounting plate 16, lower installation board 17 surround one
The heat dissipation channel divulged information from bottom to top, side plate 11 constitute the left side wall of heat dissipation channel, and back and front supporting plate constitutes heat dissipation channel
Forward and backward side wall, upper mounting plate 16, lower installation board 17 and substrate 41 collectively form the right side wall of heat dissipation channel.Heat dissipation channel goes out
Air port is located at enclosure top, and air inlet is located at chassis bottom;In the present embodiment, the under shed 131 on bottom plate 13 constitutes scattered
The air inlet of the passage of heat, the upper opening 121 on upper head plate 12 constitute the air outlet of heat dissipation channel.The right side of heat dissipation channel is to supply
The installation cavity that bus capacitor group 2 and IGBT module 3 are installed, bus capacitor group 2 and IGBT module 3 are mounted side by side on scattered one on the other
On the right side wall of the passage of heat.Stack bus bar 5 is equipped with by insulating supporting column on upper mounting plate 16, the separate side plate 11 of cabinet
Side has been bolted bus capacitor mounting rack 19, bus capacitor be mounted on stack bus bar and bus capacitor mounting rack 19 it
Between, IGBT module 3 is located at the lower section of bus capacitor group and is fixedly mounted on radiator 4, is also equipped in IGBT module 3
IGBT driving board.
Bus capacitor group 2 is conductively connected by stack bus bar and IGBT module.Stack bus bar 5 includes rectangular substrate
51, the mounting hole for being equipped with and installing for bus capacitor group is spaced apart on substrate 51 along its length, mounting hole is arranged in pairs, every a pair
Mounting hole one bus capacitor of corresponding installation.Symbol is marked at the aperture of each mounting hole, the row label in four row's mounting holes
There is "-" symbol, intermediate two rows of labels have N " symbol, last row is marked with "+" symbol, when installing bus capacitor, referring to peace
The symbol marked at dress hole aperture is installed.One end of 51 length direction of substrate be equipped with input terminal 52, the one of width direction
Side is equipped with output terminal 53.When stack bus bar 5 is installed, length direction extends along the front-rear direction of cabinet, and width direction is along cabinet
Up and down direction extend, input terminal 52 is located at the front side of cabinet, and input terminal 52 is extend into the second part space of cabinet,
It is connect for inputting switching copper bar with direct current;Output terminal 53 downward, is used to connect with IGBT module.IGBT module 3 by
Before in after three parts composition, the output terminal 53 of stack bus bar 5 is corresponding with three groups, in the present embodiment, stack bus bar 5 and IGBT mould
Absorption Capacitance 6 is provided between block, three groups of Absorption Capacitances 6 are successively aligned with three groups of output terminals 53 of stack bus bar 5, and are passed through
Bolt is connect with the corresponding part of the output terminal of stack bus bar and IGBT module respectively, and the output terminal of stack bus bar passes through suction
It receives capacitor 6 and IGBT module is realized and connected.
Lower position in the installation cavity of cabinet 1 in IGBT module 3 is equipped with three-phase alternating current output switching copper bar 7, respectively
Mutually exchange output switching copper bar 7 extends along the longitudinal direction, and the front end of each mutually exchange output switching copper bar passes through vertically side
It is connect to the switching copper bar 8 of extension with the corresponding part of IGBT module 3, the rear end of exchange output switching copper bar is constituted for defeated
The output end of alternating current out.Current Hall element 9, exchange output switching copper bar 7 are installed on each exchange output switching copper bar 7
It is passed through from corresponding current Hall element 9 respectively.Connected in the side of the separate side plate of switching copper bar 8 by bolt in cabinet 1
It is connected to insulation board 22, control panel 21 is fixed on insulation board 22.
The front of cabinet 1 is fixed with direct current input switching copper bar 10, and direct current input switching copper bar 10 is located at stack bus bar
Front, direct current input switching copper bar 10, which divides, inputs switching copper bar 101 and negative DC input switching copper bar 102 for positive DC,
Positive DC input switching copper bar 101 is fixed on the side plate 11 of cabinet by insulating supporting column;Negative DC input switching copper
Row 102 is fixed on positive DC input switching copper bar by collets, is realized and is supported isolation, positive and negative polarities between the copper bar of the two poles of the earth
Direct current input switching copper bar vertically extends and upper end is connected with the corresponding input terminal of stack bus bar, direct current input switching
The lower end of copper bar constitutes the input terminal for input dc power.Negative DC input switching copper bar 102 is installed with current Hall
Element 9.Cabinet 1 is fixedly arranged at the front end with DC filter 20, and DC filter 20 includes magnet ring 201 and module control panel 202, mould
Block control panel 202 is located at 201 top of magnet ring and is fixed at the front end of cabinet 1 by control panel mounting plate 203, and magnet ring 201 is solid
It is scheduled on cabinet front position and extend into cabinet, positive and negative polarities direct current input switching copper bar both passes through the perforation of magnet ring 201, real
Existing filter function.
The assembling process of power module of the present invention: 1, radiator 4 is installed to cabinet in;2, IGBT module 3 is mounted on
On radiator 4;3, stack bus bar 5 is fixed on upper mounting plate 16 by insulating supporting column;4, bus capacitor group is fixed to
In the correspondence mounting hole of bus capacitor mounting rack, and stack bus bar is connect with bus capacitor group by bolt;5, electricity will be absorbed
Hold 6 to be successively aligned with the output terminal of stack bus bar, and is connect Absorption Capacitance with stack bus bar and IGBT module by bolt;
6, IGBT driving board is plugged into IGBT module;7, the magnet ring of DC filter is fixed on to the front end of cabinet, magnet ring direction
Cabinet inside;8, by direct current input switching copper bar pass through magnet ring, and direct current input switching copper bar front end and stack bus bar it is defeated
Enter terminal connection;Positive DC input switching copper bar is fixed on cabinet side board by insulating supporting column, and negative DC input turns
Fixed current Hall element on copper bar is connect, negative DC input switching copper bar passes through collets and positive DC input switching copper bar
Support isolation;9, exchange is exported switching copper bar to be connected on the output terminal of IGBT module, each mutually exchange output switching copper bar
On fixed current Hall element;10, control panel mounting plate 203 is installed in the front end of cabinet, the side of cabinet connects insulation board
22, the module control panel 202 of DC filter is fixed on control panel mounting plate 203, control panel 21 is fixed on insulation board
On 22, that is, complete the installation of power module.
In the present embodiment, heat dissipation channel by the side plate of cabinet, front end panel, rear bearing sheet, upper mounting plate, lower installation board with
And the substrate of radiator surrounds jointly, in other embodiments, can also be not provided with upper mounting plate and lower installation board, the base of radiator
Plate is separately formed the right side wall of heat dissipation channel;Or radiator includes that cross section is intracorporal in shell in the shell of rectangle and setting
Radiating fin, heat dissipation channel are formed in shell;The right side wall of heat dissipation channel can also be the envelope being connected in the support plate of front and back
Plate, radiator are fixed on sealing plate.The top of bus capacitor group can also be arranged in IGBT module, at this point, exchange output switching
The top of IGBT module is arranged in copper bar.It also can be set for the installation cavity that bus capacitor group and IGBT module are installed logical in heat dissipation
The left side in road.
The present invention including cabinet and is mounted on cabinet using the embodiment of the photovoltaic combining inverter of above-mentioned power module
The structure of interior power module, power module is for example above-mentioned, and to avoid repeating, this will not be repeated here.When power module is installed, cabinet
It erects to be mounted in cabinet.After power module installation, the air inlet of cabinet lower end and the reactor face below power module,
The heat dissipation wind channel of the air outlet of cabinet upper end and the big air inlet formation circumferential seal at the top of power module, reactor,
The heat that IGBT module generates is discharged outside cabinet by heat dissipation channel, good heat dissipation effect.
Claims (8)
1. a kind of power module, special including cabinet and the bus capacitor group, radiator and the IGBT module that are mounted in cabinet
Sign is: having the heat dissipation channel divulged information from bottom to top in cabinet and positioned at heat dissipation channel or so side for bus capacitor group
With the installation cavity of IGBT module installation, the air inlet of heat dissipation channel is located at the bottom of cabinet, and air outlet is located at the top of cabinet, machine
Case includes side plate and the front end panel and rear bearing sheet that are arranged face-to-face, and the side plate constitutes the left side wall of heat dissipation channel, forward and backward
Support plate respectively constitutes the forward and backward side wall of heat dissipation channel;Radiator is mounted between front end panel and rear bearing sheet, radiator packet
The radiating fin for including substrate and being fixed on substrate, substrate constitute the right side wall of heat dissipation channel or constitute heat dissipation channel right side wall
A part, radiating fin are located in heat dissipation channel, and IGBT module is installed on the substrate.
2. power module according to claim 1, it is characterised in that: bus capacitor group and IGBT module setting side by side up and down
And bus capacitor group is located at the top of IGBT module, bus capacitor group is connect by stack bus bar with IGBT module.
3. power module according to claim 2, it is characterised in that: the front end of the stack bus bar is equipped with input terminal,
Lower end is equipped with the output terminal for connecting with IGBT module, is equipped with direct current input switching in cabinet in front of stack bus bar
The upper end of copper bar, direct current input switching copper bar is connected with corresponding input terminal, and the lower end of direct current input switching copper bar is for defeated
Enter the input terminal of direct current.
4. power module according to claim 2, it is characterised in that: be equipped with three-phase below IGBT module in cabinet
The front end of exchange output switching copper bar, each mutually exchange output switching copper bar is connect with IGBT module, each mutually exchange output switching copper
The rear end of row is the output end for exporting alternating current.
5. power module according to any one of claims 1-4, it is characterised in that: the cabinet is drawer-type structure,
The rear end of cabinet is equipped with leads for the positioning after cabinet guiding is installed in place with the cabinet location fit of photovoltaic combining inverter
Pin.
6. a kind of photovoltaic combining inverter, including cabinet and it is mounted on the power module of interior of equipment cabinet, the power module packet
Bus capacitor group, radiator and the IGBT module for including cabinet and being mounted in cabinet, it is characterised in that: have in cabinet under
And the heat dissipation channel of upper ventilation and the installation installed for bus capacitor group and IGBT module positioned at heat dissipation channel or so side
Chamber, the air inlet of heat dissipation channel are located at the bottom of cabinet, and air outlet is located at the top of cabinet, and cabinet includes side plate and sets face-to-face
The front end panel and rear bearing sheet set, the side plate constitute the left side wall of heat dissipation channel, and it is logical that back and front supporting plate respectively constitutes heat dissipation
The forward and backward side wall in road, radiator are mounted between front end panel and rear bearing sheet, and radiator includes substrate and is fixed on substrate
Radiating fin, substrate constitutes the right side wall of heat dissipation channel or constitutes a part of heat dissipation channel right side wall, and radiating fin is located at
In heat dissipation channel, IGBT module is installed on the substrate.
7. photovoltaic combining inverter according to claim 6, it is characterised in that: bus capacitor group and IGBT module are up and down simultaneously
Row's setting and bus capacitor group are located at the top of IGBT module, and bus capacitor group is connect by stack bus bar with IGBT module.
8. photovoltaic combining inverter according to claim 7, it is characterised in that: the front end of the stack bus bar is equipped with input
Terminal, lower end are equipped with the output terminal for connecting with IGBT module, and it is defeated that direct current is equipped in front of stack bus bar in cabinet
Enter copper bar of transferring, the upper end of direct current input switching copper bar is connected with corresponding input terminal, and the lower end of direct current input switching copper bar is
For the input terminal of input dc power, three-phase alternating current output switching copper bar, each phase are installed below IGBT module in cabinet
The front end of exchange output switching copper bar is connect with IGBT module, and the rear end of each mutually exchange output switching copper bar is to exchange for exporting
The output end of electricity.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710087612.2A CN107070256B (en) | 2017-02-17 | 2017-02-17 | A kind of power module and the photovoltaic combining inverter using the module |
CN201910482508.2A CN110289772B (en) | 2017-02-17 | 2017-02-17 | Power module and photovoltaic grid-connected inverter using same |
CN201910483295.5A CN110138238B (en) | 2017-02-17 | 2017-02-17 | Power module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710087612.2A CN107070256B (en) | 2017-02-17 | 2017-02-17 | A kind of power module and the photovoltaic combining inverter using the module |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CN201910482508.2A Division CN110289772B (en) | 2017-02-17 | 2017-02-17 | Power module and photovoltaic grid-connected inverter using same |
CN201910483295.5A Division CN110138238B (en) | 2017-02-17 | 2017-02-17 | Power module |
Publications (2)
Publication Number | Publication Date |
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CN107070256A CN107070256A (en) | 2017-08-18 |
CN107070256B true CN107070256B (en) | 2019-06-21 |
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ID=59622179
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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CN201910482508.2A Active CN110289772B (en) | 2017-02-17 | 2017-02-17 | Power module and photovoltaic grid-connected inverter using same |
CN201910483295.5A Active CN110138238B (en) | 2017-02-17 | 2017-02-17 | Power module |
CN201710087612.2A Active CN107070256B (en) | 2017-02-17 | 2017-02-17 | A kind of power module and the photovoltaic combining inverter using the module |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
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CN201910482508.2A Active CN110289772B (en) | 2017-02-17 | 2017-02-17 | Power module and photovoltaic grid-connected inverter using same |
CN201910483295.5A Active CN110138238B (en) | 2017-02-17 | 2017-02-17 | Power module |
Country Status (1)
Country | Link |
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CN108075619A (en) * | 2017-12-25 | 2018-05-25 | 北京天诚同创电气有限公司 | A kind of single-phase power module |
US11332087B2 (en) * | 2018-06-04 | 2022-05-17 | Westinghouse Air Brake Technologies Corporation | Phase module assembly of a multi-phase inverter |
JP7277094B2 (en) * | 2018-08-31 | 2023-05-18 | 東洋電機製造株式会社 | power converter |
CN110120639A (en) * | 2019-06-25 | 2019-08-13 | 阿特拉斯·科普柯(无锡)压缩机有限公司 | A kind of electronic equipment and electrical cabinet comprising it |
CN112787564A (en) * | 2019-11-11 | 2021-05-11 | 中车株洲电力机车研究所有限公司 | Motor controller with high power density |
CN115297698B (en) * | 2022-09-01 | 2024-05-17 | 国网重庆市电力公司电力科学研究院 | Photovoltaic grid-connected inverter with self-adaptive heat dissipation capability |
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CN200969521Y (en) * | 2006-11-14 | 2007-10-31 | 广东志成冠军集团有限公司 | Multi-standard modularized UPS electrical source |
CN201781426U (en) * | 2010-07-28 | 2011-03-30 | 南京高传机电自动控制设备有限公司 | High-power converter module |
CN201839221U (en) * | 2010-10-14 | 2011-05-18 | 山东博奥斯电源有限公司 | IGBT (Insulated Gate Bipolar Transistor) high-power inversion module group |
CN202713173U (en) * | 2012-07-07 | 2013-01-30 | 阳光电源股份有限公司 | Inverter power module |
CN202798482U (en) * | 2012-07-25 | 2013-03-13 | 特变电工新疆新能源股份有限公司 | Power module and photovoltaic grid-connected inversion system |
JP5141844B2 (en) * | 2012-07-25 | 2013-02-13 | 富士電機株式会社 | Inverter housing structure |
CN203851040U (en) * | 2014-05-06 | 2014-09-24 | 特变电工新疆新能源股份有限公司 | Compact power module structure |
CN104868702A (en) * | 2014-11-03 | 2015-08-26 | 浙江海得新能源有限公司 | Converter power cabinet |
CN204517672U (en) * | 2015-03-17 | 2015-07-29 | 特变电工新疆新能源股份有限公司 | A kind of power layout structure of independent capacitance module |
CN204517673U (en) * | 2015-03-17 | 2015-07-29 | 特变电工新疆新能源股份有限公司 | A kind of compact photovoltaic combining inverter |
CN204425196U (en) * | 2015-03-31 | 2015-06-24 | 南京南瑞太阳能科技有限公司 | A kind of power cabinet heat abstractor of photovoltaic DC-to-AC converter |
CN205356166U (en) * | 2016-01-05 | 2016-06-29 | 中兴通讯股份有限公司 | Be applied to photovoltaic inverter's heat radiation structure |
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CN110138238B (en) | 2021-04-16 |
CN110289772A (en) | 2019-09-27 |
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