CN203775051U - IGBT power module structure used for photovoltaic inversion - Google Patents

IGBT power module structure used for photovoltaic inversion Download PDF

Info

Publication number
CN203775051U
CN203775051U CN201420174521.4U CN201420174521U CN203775051U CN 203775051 U CN203775051 U CN 203775051U CN 201420174521 U CN201420174521 U CN 201420174521U CN 203775051 U CN203775051 U CN 203775051U
Authority
CN
China
Prior art keywords
igbt
module
installing frame
igbt module
photovoltaic inversion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201420174521.4U
Other languages
Chinese (zh)
Inventor
李春东
全凤岐
白挺玮
黄川�
张志毅
薛思萌
关士深
宇宁
张欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIAONING ELECTRIC PROVER DEVELOPMENT Co Ltd
Original Assignee
LIAONING ELECTRIC PROVER DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LIAONING ELECTRIC PROVER DEVELOPMENT Co Ltd filed Critical LIAONING ELECTRIC PROVER DEVELOPMENT Co Ltd
Priority to CN201420174521.4U priority Critical patent/CN203775051U/en
Application granted granted Critical
Publication of CN203775051U publication Critical patent/CN203775051U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

Abstract

The utility model relates to an IGBT power module structure used for photovoltaic inversion and belongs to the power supply equipment technical field. The IGBT power module structure used for photovoltaic inversion provided by the utility model is advantageous in favorable heat dissipation effect and long service life. The IGBT power module structure used for photovoltaic inversion of the utility model comprises a frame. The IGBT power module structure used for photovoltaic inversion is characterized in that the left of the frame is a filtering capacitor mounting frame; the right side of the frame is an on IGBT module mounting frame; a plurality of filtering capacitors are installed parallelly in the filtering capacitor mounting frame; plugging pins of the filtering capacitors are connected with a vertical laminated busbar at the rear end of the filtering capacitor mounting frame; the rear end of the IGBT module mounting frame is provided with a module fixing plate of which the middle is provided with a plugging opening; the periphery of a radiator of an IGBT module is connected with the module fixing plate through bolts; the radiator is arranged at the front side of the module fixing plate; the main body of the IGBT module is arranged at the rear side of the module fixing plate; and direct current pins at the left side of the main body of the IGBT module are provided with absorption capacitors.

Description

IGBT power model structure for photovoltaic inversion
Technical field
the utility model belongs to power supply unit technical field, relates in particular to a kind of photovoltaic inversion IGBT power model structure.
Background technology
iGBT(Insuated Gate Bipolar Transistor insulated gate bipolar transistor) power model formula uses in the normal power module in the fields such as frequency converter, wind power generation, photovoltaic inversion.Because environment for use is special, wish IGBT power model compact conformation, become the power model unit of a perfect in shape and function, to meet working service requirement easily.
in existing IGBT power model structure, there is following defect.
because the volume and weight of intermediate dc filter capacitor is larger, existing IGBT power model is structurally difficult to DC filter capacitor and main switching device IGBT to be installed together, and usually independently arrange, to power model, maintenance is made troubles on the one hand, cause on the other hand the stray inductance between DC filter capacitor and IGBT element very large, easily produce and turn-off overvoltage, cause component wear; Meeting under the prerequisite of IGBT power model compact conformation, IGBT radiator tends to DC capacitor radiations heat energy, causes DC filter capacitor environment for use excess Temperature, life-span to be reduced, thereby affects the use of whole IGBT power model.IGBT power model in the past adopts cabinet top centrifugal exhaust fan, stricter to air channel sealing requirements, and blast has relatively high expectations, and blower fan cost is larger.
Summary of the invention
the utility model is exactly for the problems referred to above, and the photovoltaic inversion IGBT power model structure of a kind of good heat dissipation effect, long service life is provided.
for achieving the above object, the utility model adopts following technical scheme, the utility model comprises framework, its structural feature frame left is filter capacitor installing frame, frame right is IGBT module installing frame, in filter capacitor installing frame, be arranged with multiple filter capacitors in parallel, the pin of each filter capacitor is connected with the vertical laminated bus bar of filter capacitor installing frame rear end; In the middle part of being provided with, described IGBT module installing frame rear end there is the module fixed head of socket, the radiator periphery of IGBT module is connected with module fixed head by bolt, radiator is placed in the front side of module fixed head, IGBT module bodies is placed in the rear side of module fixed head, direct current pin place, IGBT module bodies left side is provided with Absorption Capacitance, and Absorption Capacitance pin, laminated bus bar right-hand member brace and IGBT module bodies left side respective pins are bolted; Described IGBT module installing frame front end is buckled with case and forms air-guiding aisle, and IGBT module installing frame lower end is connected with the blower fan of below by assembling cover; Described IGBT module installing frame right-hand member is provided with output and connects row, and through hole, bolt on through hole, IGBT module right-hand member pin that output connection row left end is arranged by connection are connected; Described laminated bus bar left end bottom is provided with input and connects row; Described radiator is placed in air-guiding aisle.
as a kind of preferred version, upper end, laminated bus bar described in the utility model right side, lower end are connected with described framework by the first insulator respectively; Described output connects row for L shaped plate, and L shaped plate left end is connected with described IGBT module pin, and L shaped plate right end plate is parallel with described IGBT module installing frame right side wall and pass through the second insulator and be connected with IGBT module installing frame right side wall.
as another kind of preferred version, left side upper and lower side and the right side upper and lower side of framework described in the utility model are provided with gusset installed part, on gusset installed part, are provided with installing hole, and gusset installed part both sides are set square reinforcement.
as another kind of preferred version, assembling cover described in the utility model lower end is connected with described blower fan upper end by adpting flange, is provided with sealing strip between adpting flange.
as another kind of preferred version, the model of IGBT module described in the utility model is SKiiP 2414 GB12E4-4DUL.
secondly, filter capacitor described in the utility model adopts thin-film capacitor.
in addition, on filter capacitor installing frame left plate described in the utility model, be provided with observation luffer boards.
the utility model beneficial effect.
the utility model IGBT radiator and DC capacitor are installed separately two separate space, avoided the impact of IGBT radiator heat radiation on DC capacitor, thus in this modular design without the instructions for use of carrying out ventilation and heat to DC filter capacitor and can meet electric capacity.Solve the shutoff overvoltage of existing IGBT power model existence, the technological deficiency that DC filter capacitor heat radiation is bad, the life-span is short.Adopt centrifugal blower from bottom to top to module blowing heat radiation, module Duct design is simple, and blower fan cost is low, and module independence is strong.
Brief description of the drawings
below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection range is not only confined to the statement of following content.
fig. 1 is the utility model structural representation.
fig. 2 is another angle structural representation of the utility model.
fig. 3 is the utility model front view.
fig. 4 is the utility model rearview.
in figure, 1 for blower fan, 2 for assembling cover, 3 for output connect row, 4 for IGBT module, 5 for gusset installed part, 6 for Absorption Capacitance, 7 for laminated bus bar, 8 for framework, 9 for filter capacitor, 10 for observe luffer boards, 11 be the second insulator, 12 for radiator, 13 be the first insulator, 14 be case.
Embodiment
as shown in the figure, the utility model comprises framework, its structural feature frame left is filter capacitor installing frame, frame right is IGBT module installing frame, in filter capacitor installing frame, be arranged with multiple filter capacitors in parallel, the pin of each filter capacitor is connected with the vertical laminated bus bar of filter capacitor installing frame rear end; In the middle part of being provided with, described IGBT module installing frame rear end there is the module fixed head of socket, the radiator periphery of IGBT module is connected with module fixed head by bolt, radiator is placed in the front side of module fixed head, IGBT module bodies is placed in the rear side of module fixed head, direct current pin place, IGBT module bodies left side is provided with Absorption Capacitance, and Absorption Capacitance pin, laminated bus bar right-hand member brace and IGBT module bodies left side respective pins are bolted; Described IGBT module installing frame front end is buckled with case and forms air-guiding aisle, and IGBT module installing frame lower end is connected with the blower fan of below by assembling cover; Described IGBT module installing frame right-hand member is provided with output and connects row, and through hole, bolt on through hole, IGBT module right-hand member pin that output connection row left end is arranged by connection are connected; Described laminated bus bar left end bottom is provided with input and connects row; Described radiator is placed in air-guiding aisle.
upper end, described laminated bus bar right side, lower end are connected with described framework by the first insulator respectively; Described output connects row for L shaped plate, and L shaped plate left end is connected with described IGBT module pin, and L shaped plate right end plate is parallel with described IGBT module installing frame right side wall and pass through the second insulator and be connected with IGBT module installing frame right side wall.
left side upper and lower side and the right side upper and lower side of described framework are provided with gusset installed part, on gusset installed part, are provided with installing hole, and gusset installed part both sides are set square reinforcement.Be convenient to module to be arranged in cabinet by gusset installed part.
described assembling cover lower end is connected with described blower fan upper end by adpting flange, is provided with sealing strip between adpting flange.Blower fan flange installs sealing strip additional and sends the sound to prevent blower fan vibrations.
on described filter capacitor installing frame left plate, be provided with observation luffer boards.Whether have and break and the situation of leakage by observing luffer boards observables electric capacity.
described filter capacitor adopts thin-film capacitor.The advantages such as thin-film capacitor has high-temperature resistant, height is withstand voltage, the life-span is long.
be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as meet, all within protection range of the present utility model.

Claims (7)

1. iGBT power model structure for photovoltaic inversion, comprise framework, it is characterized in that frame left is filter capacitor installing frame, frame right is IGBT module installing frame, in filter capacitor installing frame, be arranged with multiple filter capacitors in parallel, the pin of each filter capacitor is connected with the vertical laminated bus bar of filter capacitor installing frame rear end; In the middle part of being provided with, described IGBT module installing frame rear end there is the module fixed head of socket, the radiator periphery of IGBT module is connected with module fixed head by bolt, radiator is placed in the front side of module fixed head, IGBT module bodies is placed in the rear side of module fixed head, direct current pin place, IGBT module bodies left side is provided with Absorption Capacitance, and Absorption Capacitance pin, laminated bus bar right-hand member brace and IGBT module bodies left side respective pins are bolted; Described IGBT module installing frame front end is buckled with case and forms air-guiding aisle, and IGBT module installing frame lower end is connected with the blower fan of below by assembling cover; Described IGBT module installing frame right-hand member is provided with output and connects row, and through hole, bolt on through hole, IGBT module right-hand member pin that output connection row left end is arranged by connection are connected; Described laminated bus bar left end bottom is provided with input and connects row; Described radiator is placed in air-guiding aisle.
2. according to claim 1, IGBT power model structure for photovoltaic inversion, is characterized in that upper end, described laminated bus bar right side, lower end are connected with described framework by the first insulator respectively; Described output connects row for L shaped plate, and L shaped plate left end is connected with described IGBT module pin, and L shaped plate right end plate is parallel with described IGBT module installing frame right side wall and pass through the second insulator and be connected with IGBT module installing frame right side wall.
3. iGBT power model structure for photovoltaic inversion according to claim 2, the left side upper and lower side and the right side upper and lower side that it is characterized in that described framework are provided with gusset installed part, on gusset installed part, be provided with installing hole, gusset installed part both sides are set square reinforcement.
4. according to claim 3, IGBT power model structure for photovoltaic inversion, is characterized in that described assembling cover lower end is connected with described blower fan upper end by adpting flange, is provided with sealing strip between adpting flange.
5. according to claim 4, IGBT power model structure for photovoltaic inversion, the model that it is characterized in that described IGBT module is SKiiP 2414 GB12E4-4DUL.
6. according to claim 5, IGBT power model structure for photovoltaic inversion, is characterized in that described filter capacitor adopts thin-film capacitor.
7. according to claim 6, IGBT power model structure for photovoltaic inversion, is characterized in that being provided with observation luffer boards on described filter capacitor installing frame left plate.
CN201420174521.4U 2014-04-11 2014-04-11 IGBT power module structure used for photovoltaic inversion Active CN203775051U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420174521.4U CN203775051U (en) 2014-04-11 2014-04-11 IGBT power module structure used for photovoltaic inversion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420174521.4U CN203775051U (en) 2014-04-11 2014-04-11 IGBT power module structure used for photovoltaic inversion

Publications (1)

Publication Number Publication Date
CN203775051U true CN203775051U (en) 2014-08-13

Family

ID=51292198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420174521.4U Active CN203775051U (en) 2014-04-11 2014-04-11 IGBT power module structure used for photovoltaic inversion

Country Status (1)

Country Link
CN (1) CN203775051U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104967019A (en) * 2015-06-18 2015-10-07 南京磁谷科技有限公司 Air blower electric control cabinet
CN104967331A (en) * 2015-06-18 2015-10-07 南京磁谷科技有限公司 Frequency converter assembly
CN104967020A (en) * 2015-06-18 2015-10-07 南京磁谷科技有限公司 Air blower electronic control cabinet
CN104993714A (en) * 2015-06-18 2015-10-21 南京磁谷科技有限公司 Frequency converter assembly
CN105450047A (en) * 2015-12-31 2016-03-30 江苏杰特动力科技有限公司 Inverter cooling structure for variable frequency generator set

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104967019A (en) * 2015-06-18 2015-10-07 南京磁谷科技有限公司 Air blower electric control cabinet
CN104967331A (en) * 2015-06-18 2015-10-07 南京磁谷科技有限公司 Frequency converter assembly
CN104967020A (en) * 2015-06-18 2015-10-07 南京磁谷科技有限公司 Air blower electronic control cabinet
CN104993714A (en) * 2015-06-18 2015-10-21 南京磁谷科技有限公司 Frequency converter assembly
CN104967331B (en) * 2015-06-18 2017-07-14 南京磁谷科技有限公司 Frequency converter assembly
CN105450047A (en) * 2015-12-31 2016-03-30 江苏杰特动力科技有限公司 Inverter cooling structure for variable frequency generator set
CN105450047B (en) * 2015-12-31 2019-08-27 江苏杰特动力科技有限公司 A kind of inverter cooling structure of variable-frequency power generation unit

Similar Documents

Publication Publication Date Title
CN203775051U (en) IGBT power module structure used for photovoltaic inversion
CN201805346U (en) General current conversion module
CN102969875B (en) Contravariant cabinet used for photovoltaic inverter
CN206481225U (en) A kind of new current transformer
CN203416177U (en) Photovoltaic inverter
CN104967019A (en) Air blower electric control cabinet
CN102025261A (en) Air-cooled converter power module system
CN203387829U (en) Auxiliary source chamber
CN204793739U (en) Automatically controlled cabinet of air -blower
CN103401437A (en) IGBT converter chopping module
CN202405648U (en) Air-cooled radiating system of photovoltaic power generation inverter cabinet
CN201699569U (en) IGBT power module system
CN202050352U (en) IGBT (Insulated Gate Bipolar Transistor) power system
CN201656481U (en) Structure device for active power filter
CN203645556U (en) Inverter device
CN203233181U (en) Modular power cabinet of static var generator
CN205720602U (en) A kind of high-power test platform cabinet body structure
CN208620520U (en) A kind of the air-conditioner set power supply box and air-conditioner set of easy access
CN107147307B (en) Locomotive traction inverter
CN202406050U (en) Radiating structure for power component of inverter
CN205544274U (en) Modularization active power filter
CN204304765U (en) Medium voltage converter cabinet power cell
CN205986640U (en) Compact design liquid cooling contravariant module
CN202435233U (en) Air-cooled wind power converter power cabinet with modular structure
CN104410249A (en) Part arrangement structure for modularized power units

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant