CN210041565U - Integrated form forced air cooling structure and integrated BSG system - Google Patents

Integrated form forced air cooling structure and integrated BSG system Download PDF

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Publication number
CN210041565U
CN210041565U CN201920963301.2U CN201920963301U CN210041565U CN 210041565 U CN210041565 U CN 210041565U CN 201920963301 U CN201920963301 U CN 201920963301U CN 210041565 U CN210041565 U CN 210041565U
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China
Prior art keywords
heat sink
shell
heat dissipation
end plate
air
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CN201920963301.2U
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Chinese (zh)
Inventor
焦兵锋
汤勇
刘自文
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Zhongshan Broad Ocean Motor Co Ltd
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Zhongshan Broad Ocean Motor Co Ltd
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Priority to CN201920963301.2U priority Critical patent/CN210041565U/en
Priority to PCT/CN2019/123958 priority patent/WO2020258738A1/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • 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

Abstract

The utility model discloses an integrated form air-cooled structure and integrated BSG system, integrated form air-cooled structure include casing, centrifugal wind wheel and pivot, form the chamber in the casing, the centrifugal wind wheel is installed in the chamber, the centrifugal wind wheel is installed in the pivot, the pivot drives the centrifugal wind wheel and rotates, set up air inlet and air outlet on the casing, air inlet and air outlet communicate with chamber; the high-power device is arranged on the outer peripheral surface of the shell, heat generated by the high-power device is transferred to the shell through contact and taken away, and cold air flows into the shell from the air inlet and contacts with the inner surface of the shell to take away the heat and flows out from the air outlet. The cooling capacity of the heat dissipation structure to the power device is improved in the same space, and the thermal resistance between the power device and the environment can be reduced by 10-20% through simulation calculation verification.

Description

Integrated form forced air cooling structure and integrated BSG system
The technical field is as follows:
the utility model relates to an integrated form forced air cooling structure and integrated BSG system.
Background art:
a typical integrated BSG system has two functions in practice, being able to function as both a starter and a generator. When the starter is used, the BSG drives the engine through the belt pulley so as to start the engine, the BSG is frequently applied to the temporary engine flameout when traffic lights are waited for, the BSG quickly starts the engine when the green lights are changed, and the automobile can normally run; when the generator is used, the engine drives the BSG to generate electricity through the belt pulley, and the generator is often applied to energy recovery when an automobile brakes or goes downhill.
The power density of the integrated BSG system is one of the core commodity competitiveness, the BSG motor and the BSG controller are required to be small in size and large in output power, and therefore higher requirements are provided for the heat dissipation performance of the cooling structure of the BSG motor. If the heat cannot be dissipated in time, the integrated BSG system cannot work normally.
The cooling structure of a traditional Belt-driven start-up power generation integrated motor (BSG) is shown in fig. 1, fig. 2 and fig. 3, and comprises a stator assembly 1A, a rotor assembly 2A, a front end cover 3A, a rear end cover 4A, a rotating shaft 5A, a Belt pulley 6A and a BSG controller 7A, wherein a plurality of radiating ribs 71A are arranged on the surface of the BSG controller 7A, a radiating channel 72A is formed between adjacent radiating ribs 71A, a radiating fan 21A is arranged at the bottom of the rotor assembly 2A, an air inlet 41A is arranged in the middle of the bottom end plate of the rear end cover 4A, an air outlet 42A is arranged outside the edge of the rear end cover 4A, cold air flows into the radiating channel 72A to enter the air inlet 41A of the rear end cover 4A and then is discharged from the air outlet 42A, the radiating structure is large in size, complex in structure, poor in heat dissipation capacity, and heat cannot be dissipated in time, the BSG system will not function properly.
The invention content is as follows:
the utility model aims at providing an integrated form forced air cooling structure and integrated BSG system, it is poor to solve traditional heat-sinking capability among the prior art, leads to the unable technical problem who scatters and disappears in time of heat.
The purpose of the utility model is realized by the following technical scheme:
an integrated air cooling structure comprises a shell, a centrifugal wind wheel and a rotating shaft, wherein a containing cavity is formed in the shell, the centrifugal wind wheel is installed in the containing cavity, the centrifugal wind wheel is installed on the rotating shaft, the rotating shaft drives the centrifugal wind wheel to rotate, an air inlet and an air outlet are formed in the shell, and the air inlet and the air outlet are communicated with the containing cavity; the high-power device is arranged on the outer peripheral surface of the shell, heat generated by the high-power device is transferred to the shell through contact and taken away, and cold air flows into the shell from the air inlet and contacts with the inner surface of the shell to take away the heat and flows out from the air outlet.
The reinforced heat dissipation structure protrudes from the inner surface of the shell.
The shell comprises a heat sink end plate and a shell, wherein a high-power device is arranged on the outer side surface of the heat sink end plate, a reinforced heat dissipation structure is arranged on the inner side surface of the heat sink end plate in a protruding mode, the reinforced heat dissipation structure is a plurality of heat dissipation columns, and heat generated by the high-power device is taken away through the heat sink end plate; the cold air flows into the heat sink end plate from the air inlet, contacts with the inner side surface of the heat sink end plate and the plurality of heat dissipation columns to take away heat and flows out from the air outlet.
The shell comprises a heat sink end plate and a shell, wherein a high-power device is arranged on the peripheral surface of the shell, and a reinforced heat dissipation structure is arranged on the inner surface of the shell in a protruding mode and is provided with a plurality of heat dissipation columns.
The air inlet and the air outlet are separated by the guide plate, and a flow guide effect is formed by the guide plate.
The above-mentioned flow guide plate is formed by projecting from inner side surface of heat sink end plate.
The air inlet and the air outlet are arranged side by side and are separated by the guide plate to form a C-shaped air flow channel.
The centrifugal wind wheel comprises a top wheel disc and a plurality of wind blades arranged at the edge of the top wheel disc, a shaft hole is formed in the middle of the top wheel disc, the top wheel disc is installed on a rotating shaft through the shaft hole, the wind blades are distributed along the axial direction of the top wheel disc at intervals, an inner side cavity is formed by surrounding the wind blades, a part of heat dissipation columns stretch into the cavity, other heat dissipation columns are located on the periphery of the wind blades, an area without the heat dissipation columns is formed on the inner side surface of a heat sink end plate, and the inner side surface of the area inside and close to the heat sink end plate is arranged at the bottom ends of.
A bearing seat protrudes between the inner side surfaces of the heat sink end plates, a bearing is arranged in the bearing seat, and the tail end of the rotating shaft is arranged and supported on the bearing.
The outer peripheral surface of the bearing seat is tangent to the guide plate, and the guide plate is provided with a notch so that the wind blade can penetrate through the notch.
The shell comprises an outer peripheral surface and a top surface, the outer peripheral surface and the top surface are mounted with the heat sink end plate together to form a containing cavity, the top surface is provided with a round hole, and the top wheel disc is nested in the round hole.
The cross-sectional shape of the heat dissipation column is circular.
The utility model provides an integrated form BSG system, includes stator module, rotor subassembly, front end housing, rear end housing, pivot, belt pulley and BSG controller, and the bearing is installed to the bearing frame the inside on front end housing and the rear end housing, and the pivot supporting is installed on the bearing, and the axle of pivot stretches out the end and stretches out front end housing and install the belt pulley, and the rotor subassembly is installed in the pivot, and the rotor subassembly overlaps in the stator module the inside, and stator module installs on front end housing and rear end housing, its characterized in that: the rear end cover comprises a heat sink end plate and a shell axially protruding from the edge of the heat sink end plate, the top end of the shell is sleeved on the periphery of the stator assembly, a containing cavity is formed by the heat sink end plate and the cylindrical shell under the stator assembly in a surrounding mode, a BSG controller is installed on the outer side face of the heat sink end plate, a bearing seat axially protrudes from the middle of the inner side face of the heat sink end plate, a plurality of heat dissipation columns axially protrude from the inner side face of the peripheral heat sink end plate of the bearing seat, and heat generated by the BSG controller is taken; the heat dissipation column extends into the accommodating cavity, the outer peripheral surface of the shell is provided with an air inlet and an air outlet, and the air inlet and the air outlet are communicated with the accommodating cavity; the centrifugal wind wheel is arranged in the accommodating cavity, and when the centrifugal wind wheel rotates, cold air flows into the accommodating cavity from the air inlet, contacts with the inner side surface of the heat sink end plate and the plurality of heat dissipation columns to take away heat and flows out from the air outlet; the centrifugal wind wheel is arranged on the rotating shaft, and the rotating shaft is used for driving the centrifugal wind wheel to rotate.
The air inlet and the air outlet are separated by the guide plate, and a flow guide effect is formed by the guide plate.
The guide plate is formed by the inner side surface of the heat sink end plate in a protruding mode.
Foretell centrifugal wind wheel includes the top rim plate and installs a plurality of wind blades at top rim plate edge, be provided with the shaft hole in the middle of the top rim plate, the top rim plate utilizes the shaft hole to install in the pivot, a plurality of wind blades are along the axis circumference interval distribution of top rim plate, a plurality of wind blades enclose into inboard cavity, some heat dissipation post stretches into the cavity the inside, all the other heat dissipation posts are located a plurality of wind blade's periphery, the medial surface at the heat sink end plate forms a region that does not have the heat dissipation post, the medial surface of regional the inside and pressing close to the heat sink end plate is arranged in to the bottom of a.
The outer peripheral surface of the bearing seat is tangent to the guide plate, and the guide plate is provided with a notch so that the wind blade can penetrate through the notch.
The cross-sectional shape of the heat dissipation column is circular.
Compared with the prior art, the utility model, following effect has:
1) the utility model discloses utilize centrifugal wind wheel and the inside heat radiation structure that strengthens of casing, in the same space, improve heat radiation structure to power device's cooling capacity, through the simulation calculation verification, can reduce power device and environment thermal resistance between 10% to 20%.
2) Other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
fig. 1 is a perspective view of a conventional integrated BSG system;
FIG. 2 is an exploded view of a conventional integrated BSG system;
FIG. 3 is a cross-sectional structural view of a conventional integrated BSG system;
fig. 4 is a perspective view of a first embodiment of the present invention;
fig. 5 is a front view of a first embodiment of the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
FIG. 7 is a cross-sectional view B-B of FIG. 5;
fig. 8 is an angular perspective view of a first embodiment of the present invention;
fig. 9 is a perspective view of another angle of the first embodiment of the present invention;
fig. 10 is a schematic structural diagram of a second embodiment of the present invention;
fig. 11 is a perspective view of a third embodiment of the present invention;
fig. 12 is a front view of a third embodiment of the present invention;
FIG. 13 is a cross-sectional view C-C of FIG. 12;
FIG. 14 is a cross-sectional view taken along line D-D of FIG. 13;
fig. 15 is an angular perspective view of a third embodiment of the present invention;
fig. 16 is a perspective view of another angle according to the third 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. 4 to 9, the embodiment provides an integrated air cooling structure, which includes a housing, a centrifugal wind wheel 3 and a rotating shaft 7, wherein a containing cavity 10 is formed in the housing, the centrifugal wind wheel 3 is installed in the containing cavity 10, the centrifugal wind wheel 3 is driven to be installed on the rotating shaft 7, the rotating shaft 7 drives the centrifugal wind wheel 3 to rotate, an air inlet 42 and an air outlet 43 are arranged on the housing, and the air inlet 42 and the air outlet 43 are communicated with the containing cavity 10; the high-power device 1 is arranged on the outer peripheral surface of the shell, heat generated by the high-power device 1 is taken away through the shell, and cold air flows into the shell from the air inlet 42 and contacts with the inner surface of the shell to take away the heat and flows out from the air outlet 43.
The reinforced heat dissipation structure is protruded on the inner surface of the shell, so that the heat dissipation capability can be improved.
The shell comprises a heat sink end plate 2 and a shell 4, wherein the high-power device 1 is arranged on the outer side surface 21 of the heat sink end plate 2, the inner side surface 22 of the heat sink end plate 2 is convexly provided with a reinforced heat dissipation structure, the reinforced heat dissipation structure is a plurality of heat dissipation columns 6, and heat generated by the high-power device 1 is taken away through the heat sink end plate 2; the cold air flows into the heat sink end plate 2 from the air inlet 42, contacts with the inner side surface 22 of the heat sink end plate and the plurality of heat dissipation columns 6, takes away heat and flows out from the air outlet 43, the structure is simple, the layout is reasonable, and the high-power device 1 is convenient to install. The heat dissipation columns 6 are arranged in an array and at intervals.
The utility model discloses a theory of operation: the outer side surface 21 of the heat sink end plate 2 is tightly attached with the high-power device 1, a large amount of heat of the high-power device 1 is transferred to the heat sink end plate 2 through contact, the rotating shaft 7 drives the centrifugal wind wheel 3 to rotate during operation, and the centrifugal wind wheel 3 drives cold air to flow into the air inlet 42 to be in contact with the inner side surface 22 of the heat sink end plate 2 and the plurality of heat dissipation columns 6 to take away heat and flow out of the air outlet 43; the utility model discloses can improve heat radiation structure to power device's cooling capacity in the same BSG tip space, through the simulation calculation verification, can reduce power device and thermal resistance between the environment 10% to 20%. The high power device 1 includes, but is not limited to, an Insulated Gate Bipolar Transistor (IGBT) module, an integrated circuit, a thyristor, or other electronic device that generates heat during operation. The attachment holes and seal labyrinth structures in the structure, or any other suitable attachment fastening mechanism and sealing means, are not shown in the schematic drawings.
The air deflector 5 is further disposed in the accommodating cavity 10, and the air deflector 5 separates the air inlet 42 and the air outlet 43 and forms a flow guiding function, which is beneficial to improving the heat dissipation capacity.
The guide plate 5 is formed by protruding the inner side surface 22 of the heat sink end plate 2, and the structure is simple and reasonable.
The air inlet 42 and the air outlet 43 are arranged side by side and separated by the deflector 5 to form a C-shaped air flow channel, which is beneficial to the directional flow of the air flow and has simple and reasonable structure.
Foretell centrifugal wind wheel 3 includes top rim plate 31 and installs a plurality of wind blade 32 at top rim plate 31 edge, be provided with shaft hole 311 in the middle of the top rim plate 31, top rim plate 31 utilizes shaft hole 311 to install on pivot 7, a plurality of wind blade 32 are along the axis circumference interval distribution of top rim plate 31, a plurality of wind blade 32 enclose into inboard cavity 33, partly heat dissipation post 6 stretches into the cavity 33 the inside, all the other heat dissipation posts 6 are located a plurality of wind blade 32 the periphery, form an area 34 that does not have heat dissipation post 6 at heat sink end plate 2 medial surface 22, the bottom 321 of a plurality of wind blade 32 is arranged in regional 34 the inside and is pressed close to heat sink end plate 2 medial surface 22, this kind of structure can furthest improve the heat-sinking capability, and the structure is.
A bearing seat 35 protrudes between the inner side surfaces 22 of the heat sink end plates 2, a bearing 36 is arranged in the bearing seat 35, and the tail end of the rotating shaft 7 is arranged and supported on the bearing 36, so that the mounting is convenient and the structure is simple.
The outer peripheral surface of the bearing seat 35 is tangent to the flow guide plate 5, and the flow guide plate 5 is provided with a notch 51 so that the wind blade 32 can pass through the notch 51, which is beneficial to smooth flow of the air flow.
The outer shell 4 comprises an outer peripheral surface 41 and a top surface 45, the outer peripheral surface 41, the top surface 45 and the heat sink end plate 2 are installed together to form an accommodating cavity 10, the top surface 45 is provided with a round hole 46, and the top wheel disc 31 is nested in the round hole 46. Simple structure, it is rationally distributed, be favorable to strengthening the heat dissipation.
The section of the heat dissipation column 6 is circular, which is more beneficial to the flow of air flow, improves the contact area with cold air and improves the heat dissipation capability.
Example two:
as shown in fig. 10, the present embodiment is a structural change made on the basis of the first embodiment, that is, the housing includes a heat sink end plate 2 and a housing 4, the power device 1 is mounted on an outer peripheral surface 41 of the housing 4, and a heat dissipation enhancing structure, which is a plurality of heat dissipation studs 6, is arranged on an inner surface 44 of the housing 4 in a protruding manner.
The high-power device 1 can also be arranged on the shell 4, and fins or turbulence columns or other heat transfer enhancement measures can be additionally arranged on the inner side of the flow channel, which is opposite to the high-power device 1, in the shell, so that the heat dissipation effect is enhanced, and the heat dissipation effect is not shown in the figure.
Example three:
as shown in fig. 11 to 16, an integrated BSG system includes a stator assembly 100, a rotor assembly 200, a front end cover 300, a rear end cover 400, a rotating shaft 7, a pulley 500 and a BSG controller 1c, a bearing 36 is installed in a bearing seat 35 on the front end cover 300 and the rear end cover 400, the rotating shaft 7 is supported and installed on the bearing 36, a shaft extension end 71 of the rotating shaft 7 extends out of the front end cover 300 and is installed on the pulley 500, the rotor assembly 200 is installed on the rotating shaft 7, the rotor assembly 200 is sleeved in the stator assembly 100, the stator assembly 100 is installed on the front end cover 300 and the rear end cover 400, the rear end cover 400 includes a heat sink end plate 2 and a housing 4 axially protruding from an edge of the heat sink end plate 2, a top end of the housing 4 is sleeved on the periphery of the stator assembly 100, a receiving cavity 10 is enclosed by the heat sink end plate 2 and the cylindrical housing 4 below the stator assembly, the middle of the inner side surface 22 of the heat sink end plate 2 axially protrudes out of the bearing seat 35, a plurality of heat dissipation columns 6 axially protrude out of the inner side surface 22 of the heat sink end plate 2 at the periphery of the bearing seat 35, and heat generated by the BSG controller 1c is taken away through the heat sink end plate 2; the heat sink end plate 2 and the outer shell 4 are made of metal to facilitate heat dissipation and contact heat conduction.
The heat dissipation column 6 extends into the accommodating cavity 10, the outer peripheral surface 41 of the shell 4 is provided with an air inlet 42 and an air outlet 43, and the air inlet 42 and the air outlet 43 are communicated with the accommodating cavity 10;
the centrifugal wind wheel 3 is arranged in the accommodating cavity 10, and when the centrifugal wind wheel 3 rotates, cold air flows into the heat sink end plate 2 from the air inlet 42, contacts with the inner side surface 22 of the heat sink end plate 2 and the plurality of heat dissipation columns 6 to take away heat and flows out from the air outlet 43; centrifugal wind wheel 3 installs on pivot 7, and pivot 7 is used for driving centrifugal wind wheel 3 and rotates.
A baffle 5 is also arranged in the accommodating cavity 10, and the baffle 5 separates the air inlet 42 and the air outlet 43 and forms a flow guiding function.
The flow guide plate 5 is formed by protruding the inner side surface 22 of the heat sink end plate 2.
Foretell centrifugal wind wheel 3 includes top rim plate 31 and installs a plurality of wind blade 32 at top rim plate 31 edge, be provided with shaft hole 311 in the middle of the top rim plate 31, top rim plate 31 utilizes shaft hole 311 to install on pivot 7, a plurality of wind blade 32 are along the axis circumference interval distribution of top rim plate 31, a plurality of wind blade 32 enclose into inboard cavity 33, partly heat dissipation post 6 stretches into the cavity 33 the inside, all the other heat dissipation posts 6 are located a plurality of wind blade 32 the periphery, form an area 34 that does not have heat dissipation post 6 at heat sink end plate 2 medial surface 22, the bottom 321 of a plurality of wind blade 32 is arranged in regional 34 the inside and is pressed close to heat sink end plate 2 medial surface 22, this kind of structure can furthest improve the heat-sinking capability, and the structure is.
The outer peripheral surface of the bearing seat 35 is tangent to the flow guide plate 5, and the flow guide plate 5 is provided with a notch 51 so that the wind blade 32 can pass through the notch 51, which is beneficial to smooth flow of the air flow.
The section of the heat dissipation column 6 is circular, which is more beneficial to the flow of air flow, improves the contact area with cold air and improves the heat dissipation capability.
The utility model discloses a theory of operation: the outer side surface 21 of the heat sink end plate 2 is tightly attached with the high-power device 1, a large amount of heat of the high-power device 1 is transferred to the heat sink end plate 2 through contact, the rotating shaft 7 drives the centrifugal wind wheel 3 to rotate during operation, and the centrifugal wind wheel 3 drives cold air to flow into the air inlet 42 to be in contact with the inner side surface 22 of the heat sink end plate 2 and the plurality of heat dissipation columns 6 to take away heat and flow out of the air outlet 43; the utility model discloses can improve heat radiation structure to power device's cooling capacity in the same BSG tip space, through the simulation calculation verification, can reduce power device and thermal resistance between the environment 10% to 20%. The high power device 1 includes, but is not limited to, an Insulated Gate Bipolar Transistor (IGBT) module, an integrated circuit, a thyristor, or other electronic device that generates heat during operation. The attachment holes and seal labyrinth structures in the structure, or any other suitable attachment fastening mechanism and sealing means, are not shown in the schematic drawings.
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 (18)

1. An integrated form forced air cooling structure which characterized in that: the centrifugal wind wheel type wind power generation device comprises a shell, a centrifugal wind wheel (3) and a rotating shaft (7), wherein a containing cavity (10) is formed in the shell, the centrifugal wind wheel (3) is installed in the containing cavity (10), the centrifugal wind wheel (3) is installed on the rotating shaft (7), the rotating shaft (7) drives the centrifugal wind wheel (3) to rotate, an air inlet (42) and an air outlet (43) are formed in the shell, and the air inlet (42) and the air outlet (43) are communicated with the containing cavity (10); the high-power device (1) is arranged on the outer peripheral surface of the shell, heat generated by the high-power device (1) is transferred to the shell to be taken away through contact, and cold air flows into the shell from the air inlet (42) to be in contact with the inner surface of the shell to take away the heat and flows out from the air outlet (43).
2. An integrated air-cooled structure according to claim 1, wherein: the reinforced heat dissipation structure is protruded on the inner surface of the shell.
3. An integrated air-cooled structure as claimed in claim 2, wherein: the shell comprises a heat sink end plate (2) and a shell (4), wherein a high-power device (1) is installed on the outer side surface (21) of the heat sink end plate (2), an enhanced heat dissipation structure is arranged on the inner side surface (22) of the heat sink end plate (2) in a protruding mode, the enhanced heat dissipation structure is a plurality of heat dissipation columns (6), and heat generated by the high-power device (1) is taken away through the heat sink end plate (2); the cold air flows into the heat sink end plate (2) from the air inlet (42) and contacts with the inner side surface (22) of the heat sink end plate and the plurality of heat dissipation columns (6) to take away heat and flows out from the air outlet (43).
4. An integrated air-cooled structure as claimed in claim 2, wherein: the shell comprises a heat sink end plate (2) and a shell (4), wherein a high-power device (1) is installed on the peripheral surface (41) of the shell (4), an enhanced heat dissipation structure is arranged on the inner surface (44) of the shell (4) in a protruding mode, and the enhanced heat dissipation structure is a plurality of heat dissipation columns (6).
5. An integrated air-cooled structure according to claim 1 or 2 or 3 or 4, wherein: a flow guide plate (5) is further arranged in the accommodating cavity (10), and the flow guide plate (5) separates an air inlet (42) and an air outlet (43) and plays a role in flow guide.
6. An integrated air-cooled structure as claimed in claim 5, wherein: the guide plate (5) is formed by protruding from the inner side surface (22) of the heat sink end plate (2).
7. An integrated air-cooled structure according to claim 6, wherein: the air inlet (42) and the air outlet (43) are arranged side by side and are separated by the deflector (5) to form a C-shaped air flow channel.
8. An integrated air-cooled structure as claimed in claim 5, wherein: centrifugal wind wheel (3) include top rim plate (31) and install a plurality of wind blade (32) at top rim plate (31) edge, be provided with shaft hole (311) in the middle of top rim plate (31), top rim plate (31) utilize shaft hole (311) to install on pivot (7), a plurality of wind blade (32) are along the axis circumference interval distribution of top rim plate (31), a plurality of wind blade (32) enclose into inboard cavity (33), some heat dissipation post (6) stretch into cavity (33) the inside, all the other heat dissipation posts (6) are located the periphery of a plurality of wind blade (32), form an area (34) that do not have heat dissipation post (6) at heat sink end plate (2) medial surface (22), bottom (321) of a plurality of wind blade (32) are arranged in area (34) the inside and heat sink end plate (2) medial surface (22).
9. An integrated air-cooled structure according to claim 8, wherein: a bearing seat (35) is arranged between the inner side surfaces (22) of the heat sink end plates (2) in a protruding mode, a bearing (36) is installed inside the bearing seat (35), and the tail end of the rotating shaft (7) is installed and supported on the bearing (36).
10. An integrated air-cooled structure according to claim 9, wherein: the outer peripheral surface of the bearing seat (35) is tangent to the guide plate (5), and a notch (51) is formed in the guide plate (5) so that the wind blade (32) can penetrate through the notch (51).
11. An integrated air-cooled structure according to claim 8, wherein: the shell (4) comprises an outer peripheral surface (41) and a top surface (45), the outer peripheral surface (41), the top surface (45) and the heat sink end plate (2) are mounted together to form a containing cavity (10), the top surface (45) is provided with a round hole (46), and the top wheel disc (31) is nested in the round hole (46).
12. An integrated air-cooled structure according to claim 8, wherein: the cross section of the heat dissipation column (6) is circular.
13. The utility model provides an integrated form BSG system, including BSG motor and BSG controller (1c), the BSG motor includes stator module (100), rotor subassembly (200), front end housing (300), rear end cap (400), pivot (7) and belt pulley (500), bearing (36) are installed to bearing frame (35) the inside on front end housing (300) and rear end cap (400), pivot (7) bearing installation is on bearing (36), the axle of pivot (7) stretches out front end housing (300) and installs belt pulley (500) end (71), rotor subassembly (200) are installed on pivot (7), rotor subassembly (200) cover is in stator module (100), stator module (100) are installed on front end housing (300) and rear end cap (400), its characterized in that:
the rear end cover (400) comprises a heat sink end plate (2) and a shell (4) axially protruding from the edge of the heat sink end plate (2), the top end of the shell (4) is sleeved on the periphery of the stator assembly (100), a containing cavity (10) is formed by the heat sink end plate (2) and the cylindrical shell (4) in a surrounding mode below the stator assembly (100), a BSG controller (1c) is installed on the outer side surface (21) of the heat sink end plate (2), a bearing seat (35) axially protrudes from the middle of the inner side surface (22) of the heat sink end plate (2) of the periphery of the bearing seat (35), a plurality of heat dissipation columns (6) axially protrude from the inner side surface (22) of the heat sink end plate (2) of the periphery of the bearing seat (35), and heat generated by the BS;
the heat dissipation column (6) extends into the accommodating cavity (10), the outer peripheral surface (41) of the shell (4) is provided with an air inlet (42) and an air outlet (43), and the air inlet (42) and the air outlet (43) are communicated with the accommodating cavity (10);
the centrifugal wind wheel (3) is arranged in the accommodating cavity (10), and when the centrifugal wind wheel (3) rotates, cold air flows into the heat sink end plate (2) from the air inlet (42), contacts with the inner side surface (22) of the heat sink end plate (2) and the plurality of heat dissipation columns (6), takes away heat and flows out from the air outlet (43); the centrifugal wind wheel (3) is arranged on the rotating shaft (7), and the rotating shaft (7) is used for driving the centrifugal wind wheel (3) to rotate.
14. The integrated BSG system of claim 13, wherein: a flow guide plate (5) is further arranged in the accommodating cavity (10), and the flow guide plate (5) separates an air inlet (42) and an air outlet (43) and plays a role in flow guide.
15. The integrated BSG system of claim 14, wherein: the guide plate (5) is formed by the protrusion of the inner side surface (22) of the heat sink end plate (2).
16. An integrated BSG system according to claim 13, 14 or 15, wherein: centrifugal wind wheel (3) include top rim plate (31) and install a plurality of wind blade (32) at top rim plate (31) edge, be provided with shaft hole (311) in the middle of top rim plate (31), top rim plate (31) utilize shaft hole (311) to install on pivot (7), a plurality of wind blade (32) are along the axis circumference interval distribution of top rim plate (31), a plurality of wind blade (32) enclose into inboard cavity (33), some heat dissipation post (6) stretch into cavity (33) the inside, all the other heat dissipation posts (6) are located the periphery of a plurality of wind blade (32), form an area (34) that do not have heat dissipation post (6) in medial surface (22) of heat sink end plate, the medial surface (22) of placing in area (34) the inside and heat sink end plate (2a) are pressed close to bottom (321) of a plurality of wind blade (32).
17. The integrated BSG system of claim 16, wherein: the outer peripheral surface of the bearing seat (35) is tangent to the guide plate (5), and a notch (51) is formed in the guide plate (5) so that the wind blade (32) can penetrate through the notch (51).
18. The integrated BSG system of claim 17, wherein: the cross section of the heat dissipation column (6) is circular.
CN201920963301.2U 2019-06-25 2019-06-25 Integrated form forced air cooling structure and integrated BSG system Active CN210041565U (en)

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PCT/CN2019/123958 WO2020258738A1 (en) 2019-06-25 2019-12-09 Integrated air cooling structure and integrated bsg system

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CN203604225U (en) * 2013-11-20 2014-05-21 中山大洋电机制造有限公司 Induced draft fan structure and central air conditioning cooling system with induced draft fan structure
CN105682415B (en) * 2014-11-20 2019-04-19 深圳万讯自控股份有限公司 A kind of heat dissipating method of radiator, driver and the driver
CN205448109U (en) * 2015-12-30 2016-08-10 深圳市锐钜科技有限公司 Cooling fan
DE102016208901A1 (en) * 2016-05-23 2017-11-23 Robert Bosch Gmbh A method for improving a starting process of an internal combustion engine by a belt-driven starter generator
CN206371035U (en) * 2016-12-16 2017-08-01 上海电驱动股份有限公司 A kind of integrated form BSG electric machine controller radiator structures
CN207935971U (en) * 2018-02-05 2018-10-02 李海峰 A kind of headlight for vehicles assembly

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