CN205160378U - Electric automobile and corresponding polycell IGBT modular dirve power - Google Patents
Electric automobile and corresponding polycell IGBT modular dirve power Download PDFInfo
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- CN205160378U CN205160378U CN201520942379.8U CN201520942379U CN205160378U CN 205160378 U CN205160378 U CN 205160378U CN 201520942379 U CN201520942379 U CN 201520942379U CN 205160378 U CN205160378 U CN 205160378U
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- electric automobile
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- 230000009286 beneficial effect Effects 0.000 description 2
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Abstract
The utility model discloses an electric automobile's polycell IGBT modular dirve power, include: a plurality of distributed transformers, each distributed transformer have a primary coil and a secondary winding, wherein, the input power is connected to the one end of the primary coil of each distributed transformer, the other end of the primary coil of each distributed transformer is through same switching device ground connection, a plurality of flyback secondary circuit, each flyback secondary circuit respectively with the secondary winding of each distributed transformer is connected, wherein, a IGBT drive circuit of polycell IGBT module is connected to each flyback secondary circuit opposite side. Correspondingly, the utility model also discloses a corresponding electric automobile. Implement the utility model discloses, can improve the whole power density of source transformation ware, earthquake resistance performance and heat dispersion.
Description
Technical field
The utility model belongs to electric automobile field, particularly relates to a kind of electric automobile and corresponding multiple unit IGBT module driving power.
Background technology
Insulated gate bipolar transistor (InsulatedGateBipolarTransistor, IGBT), the compound full-control type voltage driven type power semiconductor be made up of double pole triode (BJT) and insulating gate type field effect tube (MOS), it has the advantage of the high input impedance of MOSFET and low conduction voltage drop two aspect of GTR concurrently.Therefore IGBT to be applicable to very much being applied to direct voltage be 600V and above converter system, as fields such as alternating current machine, frequency converter, Switching Power Supply, lighting circuit, Traction Drives.
And multiple unit IGBT module is the module being integrated with multiple IGBT unit, have the advantages that volume is little, power density is large, being thus widely used in electric automobile etc. needs large power inverter power source, again to the occasion of volume-sensitive.Each IGBT module of multiple unit IGBT module needs a drive circuit, in a lot of situation, each drive circuit need one independently insulating power supply power.Generally, these driving powers can be integrated on a slice printed circuit board (PCB) (drive plate) together with drive circuit, and this drive plate can be secured directly in multiple unit IGBT module and form a whole parts.Therefore the volume of driving power and structure can cause direct impact to the volume of final parts, performance.
Traditional multiple unit IGBT module driving power scheme is the Flyback(inverse-excitation type of an employing multiple-channel output) driving power of transformer generation supply needed for each IGBT unit, its multiple output function is by being wound around multiple coil to realize at Flyback transformer secondary.As shown in Figure 1, the structural representation of existing a kind of multiple unit IGBT module driving power is shown.
But there is following weak point in the Flyback transformer of this type of multiple-channel output:
One, because the volume of the Flyback transformer of this type of multiple-channel output is usually much larger than other devices on drive plate, especially in short transverse far above other devices, cause to keep larger distance with drive plate at short transverse miscellaneous part, the waste in supply convertor internal placement space can be caused like this, limit the raising of supply convertor overall power density;
Quality two, due to the Flyback transformer of this type of multiple-channel output is comparatively large, and is generally weld on a printed circuit by pin when mounted, and therefore its earthquake-proof function is poor, is easily damaged by vibrations;
Three, IGBT input voltage is up to more than 300V, but the electrical isolation between its drive circuit is realized by transformer, in order to ensure have enough electric equipment compartment distances and creepage distance between each winding, therefore the size of transformer can be increased further, or need, in pcb board local many places grooving process, the intensity of pcb board can be reduced like this.
Utility model content
Technical problem to be solved in the utility model is, a kind of multiple unit IGBT module driving power for electric automobile is provided, it adopts distributed Flyback transformer, can make full use of space, improves supply convertor overall power density, earthquake-proof function, heat dispersion.
For solving the problems of the technologies described above, the utility model embodiment provides a kind of multiple unit IGBT module driving power for electric automobile, comprising:
Multiple distribution transformer, each distribution transformer has a primary coil and a secondary coil, wherein, one end of the primary coil of each distribution transformer described connects input power, and the other end of the primary coil of each distribution transformer described is by same switching device ground connection;
Multiple Flyback secondary circuit, each Flyback secondary circuit is connected with the secondary coil of each distribution transformer described respectively;
Wherein, each Flyback secondary circuit opposite side described connects an IGBT drive circuit of multiple unit IGBT module.
Wherein, include further:
Flyback control circuit, it is connected with described switching device.
Correspondingly, another aspect of the present utility model, also provides a kind of multiple unit IGBT module driving power for electric automobile, comprising:
Multiple distribution transformer, each distribution transformer has a primary coil and two secondary coils, wherein, one end of the primary coil of each distribution transformer described connects input power, the other end of the primary coil of each distribution transformer described is by same switching device ground connection, a pair different name end of two secondary coils of each distribution transformer described is connected, and is drawn by centre cap;
Multiple Flyback secondary circuit, each Flyback secondary circuit is connected to different name end and described tap with another of two secondary coils of each distribution transformer described respectively;
Wherein, each Flyback secondary circuit opposite side described connects an IGBT drive circuit of multiple unit IGBT module.
Wherein, include further:
Flyback control circuit, it is connected with described switching device.
Correspondingly, the utility model embodiment also includes a kind of electric automobile, and it adopts above-mentioned multiple unit IGBT module driving power.
Implement the utility model, there is following beneficial effect:
Implement embodiment of the present utility model, owing to adopting multiple distribution transformer, the volume of each transformer, quality can be made to reduce, because volume of transformer reduces, especially it highly can reduce greatly, therefore can reduce the spacing of drive plate along short transverse and other devices, thus improve space availability ratio, increase supply convertor overall power density;
Secondly, because the quality of single distribution transformer reduces, therefore its resistance to shock improves;
Moreover, because distribution transformer only need consider the insulation between single former and deputy change, designing and making is all easy to realize;
In addition, because each magnetic core of transformer diminishes, line bag thickness reduces, and insulating barrier reduces (only have between former limit and secondary and arrange insulating barrier), therefore radiating condition can improve, and its volume, quality can be reduced further.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing a kind of multiple unit IGBT module driving power;
Fig. 2 is the structural representation of the first embodiment of a kind of multiple unit IGBT module driving power that the utility model provides;
Fig. 3 shows the concrete structure of the Flyback secondary circuit embodiment in Fig. 2;
Fig. 4 is the structural representation of another embodiment of a kind of multiple unit IGBT module driving power that the utility model provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2, be the structural representation of an embodiment of a kind of multiple unit IGBT module driving power that the utility model provides.In this embodiment, this driving power comprises:
Multiple distribution transformer, each distribution transformer has a primary coil and a secondary coil, wherein, one end of the primary coil of each distribution transformer connects input power, and the other end of the primary coil of each distribution transformer is by same switching device K ground connection;
Multiple Flyback secondary circuit, each Flyback secondary circuit is connected with the secondary coil of each distribution transformer respectively;
Wherein, each Flyback secondary circuit opposite side connects an IGBT drive circuit of multiple unit IGBT module, and each IGBT drive circuit is how single without the IGBT module of in IGBT module for driving.
Wherein, include further:
Flyback control circuit, it is connected with switching device K, for controlling the break-make of this switching device K.
Be understandable that, Flyback control circuit in fig. 2, Flyback secondary circuit and IGBT drive circuit can be arranged according to practical application, such as can adopt the circuit of various maturation of the prior art, as shown in Figure 3, a kind of embodiment of Flyback secondary circuit is wherein shown.When being understandable that, other similar Flyback secondary circuits also can be adopted.
Be understandable that, in the present embodiment, owing to have employed distributed Flyback transformer, in circuit, because volume of transformer reduces, especially highly reduce, and several small transformers can be arranged in the appropriate area of printed board neatly, thus effectively utilize space; The quality of each transformer is reduced, and shock resistance is strengthened; Each transformer only need ensure electric equipment compartment distance and the creepage distance on single former and deputy limit, and designing and making is all easy to realize; Because magnetic core of transformer diminishes, the line bag thickness of each transformer reduces, and insulating barrier reduces, and therefore the radiating condition of transformer improves.
As shown in Figure 4, be the structural representation of another embodiment of a kind of multiple unit IGBT module driving power that the utility model provides.In this embodiment, this driving power comprises:
Multiple distribution transformer, each distribution transformer has a primary coil and two secondary coils, wherein, one end of the primary coil of each distribution transformer connects input power, the other end of the primary coil of each distribution transformer is by same switching device K ground connection, a pair different name end (see the 2nd end in figure and the 3rd end) of two secondary coils of each distribution transformer is connected, and takes out correct extraction by center;
Multiple Flyback secondary circuit, each Flyback secondary circuit is connected to different name end (see the 1st end in figure and the 4th end) and this tap with another of two secondary coils of each distribution transformer respectively;
Wherein, each Flyback secondary circuit opposite side connects an IGBT drive circuit of multiple unit IGBT module.
Wherein, include further:
Flyback control circuit, it is connected with switching device K, for controlling the break-make of this switching device K.
Correspondingly, another aspect of the present utility model, a kind of electric automobile is also provided, it comprises the multiple unit IGBT module driving power shown in earlier figures 2 to Fig. 4, concrete details, can refer to aforesaid description, be understandable that, said electric automobile herein, such as electric automobile (ElectricVehicle, EV) can be comprised, plug-in hybrid-power automobile (Plug-inhybridelectricvehicle, and the polytype such as stroke-increasing electric automobile (Extended-RangeElectricVehicle, EREV) PHEV).
Implement the utility model, there is following beneficial effect:
Implement embodiment of the present utility model, multiple distribution transformer is become owing to being replaced with by single multi winding transformer of the prior art, the volume of each transformer, quality can be made to reduce, because volume of transformer reduces, especially it highly can reduce greatly, therefore can reduce the spacing of drive plate along short transverse and other devices, thus improve space availability ratio, increase supply convertor overall power density;
Secondly, because the quality of single distribution transformer reduces, therefore its resistance to shock improves;
Moreover, because distribution transformer only need consider the insulation between single former and deputy change, designing and making is all easy to realize;
In addition, because each magnetic core of transformer diminishes, line bag thickness reduces, and insulating barrier reduces (only have between former limit and secondary and arrange insulating barrier), therefore radiating condition can improve, and its volume, quality can be reduced further.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (5)
1., for a multiple unit IGBT module driving power for electric automobile, it is characterized in that, comprising:
Multiple distribution transformer, each distribution transformer has a primary coil and a secondary coil, wherein, one end of the primary coil of each distribution transformer described connects input power, and the other end of the primary coil of each distribution transformer described is by same switching device ground connection;
Multiple Flyback secondary circuit, each Flyback secondary circuit is connected with the secondary coil of each distribution transformer described respectively;
Wherein, each Flyback secondary circuit opposite side described connects an IGBT drive circuit of multiple unit IGBT module.
2. a kind of multiple unit IGBT module driving power for electric automobile as claimed in claim 1, is characterized in that, include further:
Flyback control circuit, it is connected with described switching device.
3., for a multiple unit IGBT module driving power for electric automobile, it is characterized in that, comprising:
Multiple distribution transformer, each distribution transformer has a primary coil and two secondary coils, wherein, one end of the primary coil of each distribution transformer described connects input power, the other end of the primary coil of each distribution transformer described is by same switching device ground connection, a pair different name end of two secondary coils of each distribution transformer described is connected, and is drawn by centre cap;
Multiple Flyback secondary circuit, each Flyback secondary circuit is connected to different name end and described tap with another of two secondary coils of each distribution transformer described respectively;
Wherein, each Flyback secondary circuit opposite side described connects an IGBT drive circuit of multiple unit IGBT module.
4. a kind of multiple unit IGBT module driving power for electric automobile as claimed in claim 3, is characterized in that, include further:
Flyback control circuit, it is connected with described switching device.
5. an electric automobile, is characterized in that, it comprises the multiple unit IGBT module driving power as described in any one of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520942379.8U CN205160378U (en) | 2015-11-24 | 2015-11-24 | Electric automobile and corresponding polycell IGBT modular dirve power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520942379.8U CN205160378U (en) | 2015-11-24 | 2015-11-24 | Electric automobile and corresponding polycell IGBT modular dirve power |
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| CN205160378U true CN205160378U (en) | 2016-04-13 |
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| CN201520942379.8U Active CN205160378U (en) | 2015-11-24 | 2015-11-24 | Electric automobile and corresponding polycell IGBT modular dirve power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412396A (en) * | 2018-10-30 | 2019-03-01 | 哈尔滨理工大学 | A kind of small-sized controllable high-voltage switching device based on light-coupled isolation driving |
-
2015
- 2015-11-24 CN CN201520942379.8U patent/CN205160378U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412396A (en) * | 2018-10-30 | 2019-03-01 | 哈尔滨理工大学 | A kind of small-sized controllable high-voltage switching device based on light-coupled isolation driving |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211228 Address after: 511434 No. 36, Longying Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: GAC AION New Energy Vehicle Co.,Ltd. Address before: 510000 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 36 Longying Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: GAC AION NEW ENERGY AUTOMOBILE Co.,Ltd. Country or region after: China Address before: No. 36 Longying Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: GAC AION New Energy Vehicle Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |