CN211509665U - IGBT heat radiation structure of motor controller - Google Patents
IGBT heat radiation structure of motor controller Download PDFInfo
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- CN211509665U CN211509665U CN202020189990.9U CN202020189990U CN211509665U CN 211509665 U CN211509665 U CN 211509665U CN 202020189990 U CN202020189990 U CN 202020189990U CN 211509665 U CN211509665 U CN 211509665U
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Abstract
The utility model discloses a machine controller's IGBT heat radiation structure, including IGBT subassembly, radiator, wind-guiding way and fan subassembly, the IGBT unit mount is on the radiator, and the radiator includes air intake and air outlet, and the wind-guiding way is located between radiator and the fan subassembly, and the wind-guiding way is installed in the air intake department of radiator, and the fan unit mount is in one side of wind-guiding way, and the fan subassembly includes a plurality of fan, its characterized in that: be equipped with a plurality of wind channel division boards in the wind channel, a plurality of wind channel division boards form a plurality of independent wind channels with the wind channel, and every fan corresponds an independent wind channel, and when fan subassembly operation, the wind that every fan carried is carried towards the air intake of radiator through an independent wind channel respectively, can prevent effectively that the mutual interference problem from appearing when two above fans carry the wind, guarantees that the wind speed is more steady and evenly carry, improves the cooling effect.
Description
The technical field is as follows:
the utility model relates to a machine controller's IGBT heat radiation structure.
Background art:
as shown in fig. 1, the heat dissipation of the IGBT, which is a key component of the existing motor controller for the electric vehicle, is a key design element, and the heat dissipation design of the forced air cooling controller is particularly important. In the existing design, including IGBT subassembly, radiator, fan housing, wind-guiding way and fan subassembly, the fan is arranged in the side of radiator, and the fan subassembly adopts two or more fans to constitute usually, and wind-guiding way department does not have the isolation, and the fin of radiator is the columnar structure. This causes the following problems: 1. the air guide channel is not isolated, so that the mutual interference of the heat dissipation air between the two fans can be caused, and the heat dissipation effect is reduced; 2. the heat dissipation area of the heat radiator fins with the columnar structures is small, the air speed is low, and the heat dissipation effect of the air cooling controller is poor.
The invention content is as follows:
the utility model aims at providing a machine controller's IGBT heat radiation structure, the wind-guiding way department does not have the isolation among the solution prior art, can cause the heat dissipation wind between two fans to interfere with each other, reduces the technical problem of radiating effect.
The purpose of the utility model is realized by the following technical scheme.
The utility model provides a motor controller's IGBT heat radiation structure, includes IGBT subassembly, radiator, wind-guiding way and fan subassembly, and the IGBT unit mount is on the radiator, and the radiator includes air intake and air outlet, and the wind-guiding way is located between radiator and the fan subassembly, and the wind-guiding way is installed in the air intake department of radiator, and the fan unit mount is in one side of wind-guiding way, and the fan subassembly includes a plurality of fan, its characterized in that: the air guide channel is internally provided with a plurality of air channel isolation plates, the air guide channel is formed into a plurality of independent air channels by the air channel isolation plates, each fan corresponds to one independent air channel, and when the fan assembly runs, air conveyed by each fan is conveyed to the air inlet of the radiator through one independent air channel.
The radiator comprises a connecting section, an arc transition section and a narrowing section, wherein the arc transition section is positioned between the connecting section and the narrowing section, and the area of the air guide channel is gradually reduced from the arc transition section to the narrowing section in a side view.
The number of the fans is two, and the number of the independent air channels is two.
The radiator comprises a top plate, a fan cover plate and two side plates, an exhaust duct is enclosed among the top plate, the two side plates and the fan cover plate, one end of the exhaust duct is an air inlet, the other end of the exhaust duct is an air outlet, the IGBT component is installed on the top surface of the top plate, a plurality of radiating fins are arranged on the bottom surface of the top plate, and the radiating fins are divided into a plurality of rows and a plurality of columns to form array arrangement.
The two adjacent rows of radiating fins are arranged in a staggered mode.
The radiating fins are in a shuttle shape, and the tips of the radiating fins face the air inlet.
The top plate, the two side plates and the plurality of radiating fins are integrally formed.
Compared with the prior art, the utility model, following effect has:
1) the utility model discloses a IGBT subassembly, radiator, wind-guiding way and fan subassembly, IGBT unit mount are on the radiator, and the radiator includes air intake and air outlet, and the wind-guiding way is located between radiator and the fan subassembly, and the wind-guiding way is installed in the air intake department of radiator, and the fan unit mount is in one side of wind-guiding way, and the fan subassembly includes a plurality of fan, its characterized in that: the air guide channel is internally provided with a plurality of air channel isolation plates, the air guide channel is formed into a plurality of independent air channels by the air channel isolation plates, each fan corresponds to one independent air channel, and when the fan assembly operates, the air conveyed by each fan is conveyed to the air inlet of the radiator through one independent air channel respectively, so that the problem of mutual interference when more than two fans convey air can be effectively prevented, the air speed is ensured to be more stable and uniform, and the cooling effect is improved;
2) other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
FIG. 1 is a schematic diagram of a prior art configuration;
fig. 2 is a perspective view of a first embodiment of the present invention;
fig. 3 is another perspective view of the first embodiment of the present invention;
fig. 4 is an exploded perspective view of a first embodiment of the present invention;
fig. 5 is a partial exploded view of a first embodiment of the present invention;
fig. 6 is a schematic partial structure diagram according to a first embodiment of the present invention;
fig. 7 is a front view of a first embodiment of the present invention;
FIG. 8 is a cross-sectional view A-A of FIG. 7;
fig. 9 is a side view of the first embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 2 to 9, the present embodiment provides an IGBT heat dissipation structure of a motor controller, including an IGBT component 1, a heat sink 2, an air duct 3, and a fan component 4, where the IGBT component 1 is installed on the heat sink 2, the heat sink 2 includes an air inlet 21 and an air outlet 22, the air duct 3 is located between the heat sink 2 and the fan component 4, the air duct 3 is installed at the air inlet 21 of the heat sink 2, the fan component 4 is installed at one side of the air duct 3, the fan component 4 includes a plurality of fans 41, and its features are: be equipped with a plurality of wind channel division boards 31 in the wind channel 3, a plurality of wind channel division boards 31 form a plurality of independent wind channels 32 with the wind channel 3, every fan 41 corresponds an independent wind channel 32, when fan subassembly 4 operation, the wind that every fan 41 carried is carried towards the air intake 21 of radiator through an independent wind channel 32 respectively, the mutual interference problem appears when can effectively preventing two above fans carry the wind, guarantee that the wind speed is more steady and evenly carry, improve the cooling effect.
The radiator 2 comprises a connecting section 201, an arc transition section 202 and a narrowing section 203, the arc transition section 202 is located between the connecting section 201 and the narrowing section 203, and when viewed from a side view, the area of the air guide channel 3 is gradually reduced from the arc transition section 202 to the narrowing section 203, and the arc transition section 202 plays a role in guiding the air, so that the air speed is improved, and the cooling effect is enhanced.
The number of the fans 41 is two, and the number of the independent air ducts 32 is two.
The radiator 2 comprises a top plate 23, a fan cover plate 24 and two side plates 25, an exhaust duct 26 is enclosed between the top plate 23 and the two side plates 25 and the fan cover plate 24, an air inlet 21 is formed in one end of the exhaust duct 26, an air outlet 22 is formed in the other end of the exhaust duct, the IGBT component 1 is installed on the top surface of the top plate 23, a plurality of radiating fins 27 are arranged on the bottom surface of the top plate 23, the radiating fins 27 are divided into a plurality of rows and a plurality of columns to form array arrangement, turbulence intensity and relative gaps are increased, and radiating area is increased.
The adjacent two rows of radiating fins 27 are staggered, so that the turbulence intensity and the relative gap are increased, and the radiating area is increased.
The heat dissipation fins 27 are in a shuttle shape, and the tips of the heat dissipation fins 27 face the air inlet 21, so that the resistance is reduced, the separation resistance is reduced, and the stability of a flow field and the full heat exchange are ensured.
The top plate 23, the two side plates 25 and the plurality of radiating fins 27 are integrally formed, and the structure is simple.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (7)
1. The utility model provides a motor controller's IGBT heat radiation structure, including IGBT subassembly (1), radiator (2), wind channel (3) and fan subassembly (4), install on radiator (2) IGBT subassembly (1), radiator (2) include air intake (21) and air outlet (22), wind channel (3) are located between radiator (2) and fan subassembly (4), wind channel (3) are installed in air intake (21) department of radiator (2), one side in wind channel (3) is installed in fan subassembly (4), fan subassembly (4) include a plurality of fan (41), its characterized in that: be equipped with a plurality of wind channel division boards (31) in wind channel (3), a plurality of wind channel division boards (31) form a plurality of independent wind channels (32) with wind channel (3), and every fan (41) corresponds an independent wind channel (32), and when fan subassembly (4) moved, the wind that every fan (41) carried is carried toward air intake (21) of radiator through an independent wind channel (32) respectively.
2. The IGBT heat dissipation structure of a motor controller according to claim 1, characterized in that: the radiator (2) comprises a connecting section (201), an arc transition section (202) and a narrowing section (203), wherein the arc transition section (202) is positioned between the connecting section (201) and the narrowing section (203), and the area of the air guide duct (3) is gradually reduced from the arc transition section (202) to the narrowing section (203) in a side view.
3. The IGBT heat dissipation structure of a motor controller according to claim 2, characterized in that: the number of the fans (41) is two, and the number of the independent air ducts (32) is two.
4. The IGBT heat dissipation structure of a motor controller according to claim 1, 2 or 3, characterized in that: radiator (2) include roof (23), fan housing apron (24) and both sides board (25), roof (23), enclose exhaust duct (26) between both sides board (25) and the fan housing apron (24), exhaust duct (26) one end is air intake (21), the other end is air outlet (22), install on the top surface of roof (23) IGBT subassembly (1), be equipped with a plurality of radiating fin (27) on the bottom surface of roof (23), a plurality of radiating fin (27) divide into a plurality of rows and a plurality of rows, form the array and arrange.
5. The IGBT heat dissipation structure of a motor controller according to claim 4, characterized in that: the heat dissipation fins (27) in two adjacent rows are staggered.
6. The IGBT heat dissipation structure of a motor controller according to claim 5, characterized in that: the radiating fins (27) are in a shuttle shape, and the tips of the radiating fins (27) face the air inlet (21).
7. The IGBT heat dissipation structure of a motor controller according to claim 6, characterized in that: the top plate (23), the two side plates (25) and the plurality of radiating fins (27) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020189990.9U CN211509665U (en) | 2020-02-21 | 2020-02-21 | IGBT heat radiation structure of motor controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020189990.9U CN211509665U (en) | 2020-02-21 | 2020-02-21 | IGBT heat radiation structure of motor controller |
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| CN211509665U true CN211509665U (en) | 2020-09-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112055519A (en) * | 2020-09-21 | 2020-12-08 | 清能德创电气技术（北京）有限公司 | Independent air duct structure of servo driver |
| CN112556471A (en) * | 2020-12-07 | 2021-03-26 | 凯迈（洛阳）测控有限公司 | Integrated air cooling assembly |
| CN113453510A (en) * | 2021-06-28 | 2021-09-28 | 航天科技控股集团股份有限公司 | Heat radiation structure of dc-to-ac converter |
-
2020
- 2020-02-21 CN CN202020189990.9U patent/CN211509665U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112055519A (en) * | 2020-09-21 | 2020-12-08 | 清能德创电气技术（北京）有限公司 | Independent air duct structure of servo driver |
| CN112556471A (en) * | 2020-12-07 | 2021-03-26 | 凯迈（洛阳）测控有限公司 | Integrated air cooling assembly |
| CN113453510A (en) * | 2021-06-28 | 2021-09-28 | 航天科技控股集团股份有限公司 | Heat radiation structure of dc-to-ac converter |
| CN113453510B (en) * | 2021-06-28 | 2022-10-11 | 航天科技控股集团股份有限公司 | Heat radiation structure of dc-to-ac converter |
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