CN202135039U - IGBT module unit and power electronic system - Google Patents
IGBT module unit and power electronic system Download PDFInfo
- Publication number
- CN202135039U CN202135039U CN 201120196924 CN201120196924U CN202135039U CN 202135039 U CN202135039 U CN 202135039U CN 201120196924 CN201120196924 CN 201120196924 CN 201120196924 U CN201120196924 U CN 201120196924U CN 202135039 U CN202135039 U CN 202135039U
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- igbt
- assembly
- heat exchanger
- copper bar
- tabular heat
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 30
- 239000010949 copper Substances 0.000 claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 238000003491 array Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 14
- 239000000306 component Substances 0.000 description 7
- 230000002950 deficient Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
Disclosed are an IGBT module unit and a power electronic system. The module unit comprises a plate-shaped heat exchanger, a first IGBT component and a second IGBT component, wherein the first IGBT component includes a first IGBT, an IGBT drive board connected with the first IGBT and an AC leading copper bar; the second IGBT component includes a second IGBT, an IGBT drive board connected with the second IGBT and an AC leading copper bar; the first IGBT is mounted on one side A of the plate-shaped heat exchanger in a surface contact manner, the second IGBT is on the other side opposite to the side A of the plate-shaped heat exchanger in a surface contact manner; and the total power of the first IGBT is smaller than that of the second IGBT. The power electronic system uses multiple above-mentioned IGBT module units having the same structure and interchangeable. The design parameters and structures of IGBT module units are unified, the compatibility and interchangeability of the IGBT module units are realized, the production efficiency is increased, the equipment maintenance cost of the power electronic system is lowered, and the design parameter optimization and structure standardization of the IGBT module units are convenient.
Description
Technical field
The utility model relates to a kind of current transformation modular unit, also relates to the system that uses this current transformation modular unit, is specifically related to a kind of IGBT modular unit and power electronic system.
Background technology
Fast development along with industrial technology; The large-scale power electronic system in the application of every profession and trade more and more widely, power grade and power density are also increasingly high, the power model that with IGBT is core devices is the core component of large-scale power electronic system; Because environment for use is special; Require power model to have characteristics such as compact conformation, easy to maintenance, power density height, therefore, power model usually is designed to the modular unit of a perfect in shape and function.
The general main IGBT element parallel connection by a plurality of mutual separations of existing IGBTr power model combines a considerable amount of dc filter capacitors to form again; Loosely organized; Need take the bigger device space; Can not satisfy the demand of high power level and high power density, the IGBT power model is bulky simultaneously, and the complete machine cost is increased greatly.
In order to overcome the above-mentioned defective of existing IGBT power model; IGBT power model unit occurred, this IGBT power model unit is integrated in heating panel both sides with two IGBT power models, has reduced the volume of power model; Power density is higher, safeguards also convenient.But still there is following defective in above-mentioned IGBT power model unit:
1, IGBT power model unit normally integrates the IGBT power model of adjacent two phases in the IGBT power model utilization system; Cause the IGBT power model system configuration disunity in the IGBT power model utilization system; As in the double-fed wind power generator system, the IGBT power model unit that just exists three structures and design parameter to have nothing in common with each other.Like this, just make that IGBT power model utilization system is difficult to realize the compatibility between the IGBT power model unit, increased the manufacturing cost and the maintenance cost of IGBT power model unit and IGBT power model utilization system;
If 2 on existing IGBT power model unit basis; For the compatibility that satisfies between the IGBT power model unit is identical parameter and structure with two IGBT power module design in the IGBT power model unit; Then can bring the design parameter of IGBT power model unit and the problem of difficult parameters to mate of IGBT power model utilization system, cause rich and waste and the high defective of IGBT power model unit manufacturing cost of IGBT power model ability in the IGBT power model unit.
The utility model content
One of technical problem that the utility model will solve is, a kind of IGBT modular unit is provided, and overcomes the above-mentioned defective that prior art exists, and reduces the manufacturing cost and the maintenance cost of IGBT module.
Two of the technical problem that the utility model will solve is, a kind of power electronic system is provided, and uses above-mentioned IGBT modular unit, overcomes the above-mentioned defective that prior art exists, and reduces the manufacturing cost and the maintenance cost of the power electronic system that uses the IGBT module.
The technical scheme that one of its technical problem that solves the utility model is adopted is: construct a kind of IGBT modular unit, comprise tabular heat exchanger, an IGBT assembly and the 2nd IGBT assembly;
The IGBT drive plate that a said IGBT assembly comprises an IGBT, connect an IGBT is drawn copper bar with the exchanging of an IGBT output that be connected in parallel;
The IGBT drive plate that said the 2nd IGBT assembly comprises the 2nd IGBT, connect the 2nd IGBT is drawn copper bar with the exchanging of the 2nd IGBT output that be connected in parallel;
Said IGBT face contact is installed in a side A of said tabular heat exchanger, and said the 2nd IGBT face contact is installed in the relative opposite side of A side of said tabular heat exchanger;
It is characterized in that the power total amount of a said IGBT is less than the power total amount of said the 2nd IGBT.
In the IGBT of the utility model modular unit; A said IGBT assembly and the 2nd IGBT assembly comprise gate pole add-in card corresponding with each said IGBT and noninductive absorption electric capacity respectively; Said gate pole add-in card connects with corresponding IGBT; And press IGBT, gate pole add-in card, IGBT drive plate order layering setting, said noninductive absorption electric capacity is connected said IGBT and is connected on the link of copper bar with positive and negative DC B us.
In the IGBT of the utility model modular unit, the IGBT quantity of a said IGBT assembly and the 2nd IGBT assembly is a plurality of, and these a plurality of IGBT horizontal arrays are connected on the said tabular heat exchanger side surface.
The technical scheme that two of its technical problem that solves the utility model is adopted is: construct a kind of power electronic system; Comprise a plurality of IGBT modular units and the electric component that is connected these a plurality of IGBT modular units, this IGBT modular unit comprises tabular heat exchanger, an IGBT assembly and the 2nd IGBT assembly;
The IGBT drive plate that a said IGBT assembly comprises an IGBT, connect an IGBT is drawn copper bar with the exchanging of an IGBT output that be connected in parallel;
The IGBT drive plate that said the 2nd IGBT assembly comprises the 2nd IGBT, connect the 2nd IGBT is drawn copper bar with the exchanging of the 2nd IGBT output that be connected in parallel;
Said IGBT face contact is installed in a side A of said tabular heat exchanger, and said the 2nd IGBT face contact is installed in the relative opposite side of A side of said tabular heat exchanger;
It is characterized in that the power total amount of a said IGBT is less than the power total amount of said the 2nd IGBT;
Each IGBT modular unit structure of said a plurality of IGBT modular units is identical, has interchangeability.
In the power electronic system of the utility model; A said IGBT assembly and the 2nd IGBT assembly comprise gate pole add-in card corresponding with each said IGBT and noninductive absorption electric capacity respectively; Said gate pole add-in card connects with corresponding IGBT; And press IGBT, gate pole add-in card, IGBT drive plate order layering setting, said noninductive absorption electric capacity is connected said IGBT and is connected on the link of copper bar with positive and negative DC B us.
In the power electronic system of the utility model, the IGBT quantity of a said IGBT assembly and the 2nd IGBT assembly is a plurality of, and these a plurality of IGBT horizontal arrays are connected on the said tabular heat exchanger side surface.
Implement the IGBT modular unit and the power electronic system of the utility model, compare with prior art, its beneficial effect is:
1. this IGBT modular unit is integrated in the IGBT assembly of two different capacity grades in the unit; Adapt with the power grade different features that is connected with the different I GBT assembly of IGBT modular unit in the power electronic system; Make power electronic system when adopting this IGBT modular unit; Design parameter and the structure that can unify the IGBT modular unit; Realize the compatible and exchange of IGBT modular unit, thereby reduce the cost of equipment maintenance of power electronic system greatly, improve the production efficiency of IGBT modular unit;
2. be convenient to the design parameter optimization of IGBT modular unit and the standardization of structure.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the stereogram of a kind of embodiment of the utility model IGBT modular unit.
Fig. 2 is figure one embodiment overlooks observation from a side a stereogram.
Fig. 3 is figure one embodiment overlooks observation from opposite side a stereogram.
Fig. 4 is the stereogram after figure one embodiment removes supporting component.
Fig. 5 is the stereogram of the another kind of embodiment of the utility model IGBT modular unit.
Embodiment
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the IGBT modular unit 5 of the utility model comprises that tabular heat exchanger 8, an IGBT assembly 1, the 2nd IGBT assembly 2, dc filter capacitor group 6, positive and negative DC B us connect copper bar 7 (comprising insulating barrier).Wherein:
The quantity of the one IGBT3 is confirmed according to design demand.Draw on the copper bar 12 in interchange, also be provided with the L shaped copper bar 13 of drawing, so that draw connection.In other embodiments, be not provided with and draw copper bar 13 and can realize drawing connection yet.
IGBT drive plate, IGBT gate pole add-in card and the exchanging of the 2nd IGBT4 output that be connected in parallel that the 2nd IGBT assembly 2 comprises the 2nd IGBT4, connect the 2nd IGBT4 are drawn copper bar.The 2nd IGBT4, IGBT gate pole add-in card, IGBT drive plate order layering setting.
The quantity of the 2nd IGBT4 is confirmed according to design demand.Draw on the copper bar in interchange, the L shaped copper bar of drawing can be set, also the L shaped copper bar of drawing can be set, do not influence the realization of the object of the invention.
In other embodiments, when adopting non-capillary formula IGBT, the function of IGBT gate pole add-in card can be integrated in the IGBT drive plate, thereby can omit IGBT gate pole add-in card.
The one IGBT3 contacts with 8 on tabular heat exchanger on the side surface A that tabular heat exchanger 8 is installed.The opposite side surface that the 2nd IGBT4 is relative with the A side surface of tabular heat exchanger 8 contacts and is installed on the tabular heat exchanger 8.The IGBT drive plate is arranged on the top of its corresponding IGBT that connects usually, certainly, as required the IGBT drive plate is arranged on other positions, does not influence the realization of the object of the invention.
When the quantity of IGBT3, IGBT4 when being a plurality of, a plurality of IGBT3, IGBT4 horizontal array are connected on the side surface of tabular heat exchanger 8.
The power total amount of the one IGBT3 is less than the power total amount of the 2nd IGBT4.
Be connected copper bar 7 annexations with positive and negative DC B us following with an IGBT assembly 1 corresponding dc filter capacitor group 6: positive and negative DC B us connects the input of copper bar 7 parallel connection direct filter capacitor groups 6, parallel connection the one IGBT3.
Be connected copper bar 7 annexations with positive and negative DC B us following with the 2nd IGBT assembly 2 corresponding dc filter capacitor groups 6: positive and negative DC B us connects the input of copper bar 7 parallel connection direct filter capacitor groups 6, parallel connection the 2nd IGBT4.
In the present embodiment, the dc filter capacitor bottom surface of dc filter capacitor group 6 contacts with the side surface face of tabular heat exchanger 8 and is fixedly connected on the tabular heat exchanger 8, is beneficial to the dc filter capacitor heat radiation, like Fig. 1, shown in Figure 4.In other embodiments, as shown in Figure 5, supporting component 14 is set, the dc filter capacitor of dc filter capacitor group 6 is connected on the supporting component 14, dc filter capacitor also can be realized the object of the invention through heat loss through convection.
In other embodiments; IGBT modular unit 5 is not provided with dc filter capacitor group 6 and is connected copper bar 7 with positive and negative DC B us; Be arranged on other members outside the IGBT modular unit 5 and dc filter capacitor group 6 is connected copper bar 7 with positive and negative DC B us, also can realize the object of the invention.
IGBT modular unit 5 is installed for ease, supporting component 14 is set.In other embodiments, as shown in Figure 4, supporting component 14 is not set, do not influence the realization of the basic goal of the invention of the utility model.
For reducing Vce (IGBT power model C, E pole tension) the due to voltage spikes value of IGBT; Further guarantee element safety; Be provided with and the noninductive one to one absorption electric capacity 9 of IGBT, each is noninductive, and absorption electric capacity 9 is connected the IGBT corresponding with it is connected on the link of copper bar with positive and negative DC B us.In other embodiments, noninductive absorption electric capacity 9 is not set, does not influence the realization of the basic goal of the invention of the utility model.
The power electronic system of the utility model is for using the system of a plurality of above-mentioned IGBT modular units 5, like wind powered generator system etc.The electric components respectively corresponding IGBT assembly 1 and the two IGBT assembly 2 that connect IGBT modular unit 5 corresponding in the power electronic system with IGBT modular unit 5.Wherein, guarantee that each IGBT modular unit structure of a plurality of IGBT modular units is identical, have interchangeability.The structure of IGBT modular unit 5 and conversion thereof such as above-mentioned.
Claims (6)
1. an IGBT modular unit comprises tabular heat exchanger, an IGBT assembly and the 2nd IGBT assembly;
The IGBT drive plate that a said IGBT assembly comprises an IGBT, connect an IGBT is drawn copper bar with the exchanging of an IGBT output that be connected in parallel;
The IGBT drive plate that said the 2nd IGBT assembly comprises the 2nd IGBT, connect the 2nd IGBT is drawn copper bar with the exchanging of the 2nd IGBT output that be connected in parallel;
Said IGBT face contact is installed in a side A of said tabular heat exchanger, and said the 2nd IGBT face contact is installed in the relative opposite side of A side of said tabular heat exchanger;
It is characterized in that the power total amount of a said IGBT is less than the power total amount of said the 2nd IGBT.
2. IGBT modular unit as claimed in claim 1; It is characterized in that; A said IGBT assembly and the 2nd IGBT assembly comprise gate pole add-in card corresponding with each said IGBT and noninductive absorption electric capacity respectively; Said gate pole add-in card connects with corresponding IGBT, and presses IGBT, gate pole add-in card, IGBT drive plate order layering setting, and said noninductive absorption electric capacity is connected said IGBT and is connected on the link of copper bar with positive and negative DC B us.
3. according to claim 1 or claim 2 IGBT modular unit is characterized in that the IGBT quantity of a said IGBT assembly and the 2nd IGBT assembly is a plurality of, and these a plurality of IGBT horizontal arrays are connected on the said tabular heat exchanger side surface.
4. a power electronic system comprises a plurality of IGBT modular units and the electric component that is connected these a plurality of IGBT modular units, and this IGBT modular unit comprises tabular heat exchanger, an IGBT assembly and the 2nd IGBT assembly;
The IGBT drive plate that a said IGBT assembly comprises an IGBT, connect an IGBT is drawn copper bar with the exchanging of an IGBT output that be connected in parallel;
The IGBT drive plate that said the 2nd IGBT assembly comprises the 2nd IGBT, connect the 2nd IGBT is drawn copper bar with the exchanging of the 2nd IGBT output that be connected in parallel;
Said IGBT face contact is installed in a side A of said tabular heat exchanger, and said the 2nd IGBT face contact is installed in the relative opposite side of A side of said tabular heat exchanger;
It is characterized in that the power total amount of a said IGBT is less than the power total amount of said the 2nd IGBT;
Each IGBT modular unit structure of said a plurality of IGBT modular units is identical, has interchangeability.
5. power electronic system as claimed in claim 4; It is characterized in that; A said IGBT assembly and the 2nd IGBT assembly comprise gate pole add-in card corresponding with each said IGBT and noninductive absorption electric capacity respectively; Said gate pole add-in card connects with corresponding IGBT, and presses IGBT, gate pole add-in card, IGBT drive plate order layering setting, and said noninductive absorption electric capacity is connected said IGBT and is connected on the link of copper bar with positive and negative DC B us.
6. like claim 4 or 5 described power electronic systems, it is characterized in that the IGBT quantity of a said IGBT assembly and the 2nd IGBT assembly is a plurality of, these a plurality of IGBT horizontal arrays are connected on the said tabular heat exchanger side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120196924 CN202135039U (en) | 2011-06-13 | 2011-06-13 | IGBT module unit and power electronic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120196924 CN202135039U (en) | 2011-06-13 | 2011-06-13 | IGBT module unit and power electronic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202135039U true CN202135039U (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120196924 Expired - Lifetime CN202135039U (en) | 2011-06-13 | 2011-06-13 | IGBT module unit and power electronic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202135039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039098A (en) * | 2018-06-07 | 2018-12-18 | 德威(苏州)新能源有限公司 | A kind of efficient energy saving converter device |
-
2011
- 2011-06-13 CN CN 201120196924 patent/CN202135039U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039098A (en) * | 2018-06-07 | 2018-12-18 | 德威(苏州)新能源有限公司 | A kind of efficient energy saving converter device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HOPEWIND ELECTRIC CO., LTD. Free format text: FORMER NAME: SHENZHEN HEWANG ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili town village official Liuzhou Industrial Zone No. 5 Building second layer 1-3 Patentee after: Shenzhen's standing grain hopes electric limited company Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Town, Dragon Village Second Industrial District 5 Building 5 floor Patentee before: Shenzhen Hewang Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |