CN214900536U - Integrated air cooling structure and integrated motor system - Google Patents
Integrated air cooling structure and integrated motor system Download PDFInfo
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- CN214900536U CN214900536U CN202023142227.XU CN202023142227U CN214900536U CN 214900536 U CN214900536 U CN 214900536U CN 202023142227 U CN202023142227 U CN 202023142227U CN 214900536 U CN214900536 U CN 214900536U
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Abstract
The utility model discloses an integrated air cooling structure and integrated motor system, the integrated air cooling structure comprises a shell, a centrifugal wind wheel and a rotating shaft, a containing cavity is formed in the shell, the centrifugal wind wheel is arranged in the containing cavity, the centrifugal wind wheel is arranged on the rotating shaft, the rotating shaft drives the centrifugal wind wheel to rotate, two separating guide plates are also arranged in the containing cavity, the containing cavity is separated into two independent airflow channels by the two separating guide plates, two air inlets and two air outlets are arranged on the shell, each independent airflow channel is communicated with one air inlet and one air outlet, a high-power device is arranged on the outer peripheral surface of the shell, the heat generated by the high-power device is transmitted to the shell through contact and taken away, the cold air flows in from the air inlets, contacts with the inner surface of the shell, takes away the heat and flows out from the air outlets, the length of the airflow channels is shortened through the design of the multiple airflow channels, the air flow resistance can be effectively reduced, and the heat exchange speed is improved, so that the heat dissipation efficiency is improved.
Description
The technical field is as follows:
the utility model relates to an integrated form forced air cooling structure and integrated motor system.
Background art:
the power density of the new energy motor system is one of the core commodity competitiveness, the motor and the controller system thereof 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 motor system. If the heat can not be dissipated in time, the motor system can not work normally.
The motor and controller integrated air-cooled motor mostly adopts centrifugal fans installed at the end parts of two sides of a rotor core to dissipate heat, and air enters from an axial opening of a motor end cover and is blown out from a radial opening. The heat dissipation structure is arranged at the end part of the motor on one side of the controller and cools the controller and the motor at the same time, cold air firstly flows through a heat sink end plate of the controller and then is sucked into an end cover through an axial opening of the motor end cover to cool a motor winding, and the cooling capacity of the heat dissipation structure is an important influence factor on the working performance of the motor.
A general Belt-driven Starter Generator (BSG) system has two functions, and can be used as a Starter or 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 the traditional belt-driven starting and power-generating integrated motor is shown in figures 1, 2 and 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, a plurality of heat dissipation ribs 71A are provided on the surface of the BSG controller 7A, heat dissipation channels 72A are formed between adjacent heat dissipation ribs 71A, the bottom of the rotor component 2A is provided with a heat radiation fan 21A, the middle of the bottom end plate of the rear end cover 4A is provided with an air inlet hole 41A, an air outlet hole 42A is arranged at the outer side of the edge of the rear end cover 4A, cold air flows into the heat dissipation channel 72A and enters the air inlet hole 41A of the rear end cover 4A, and then the heat is discharged from the air outlet 42A, and the heat dissipation structure has large volume, complex structure and poor heat dissipation capability, so that the heat cannot be dissipated in time, and the BSG system cannot work normally.
The applicant, aiming at the above problems, filed for a patent named as: "an integrated form forced air cooling structure and integrated BSG system", patent number is: 201920963301.2, there are the following technical problems: the heat exchange of this kind of large tracts of land heat, the heat exchange speed is slow, and the air flow resistance increases, and the heat dissipation is slow, and the radiating efficiency is low.
The invention content is as follows:
the utility model aims at providing an integrated form forced air cooling structure and integrated motor system, solve prior art cold air from air inlet get into and collect the heat through whole chamber that holds, discharge from the air outlet at last, this kind of heat exchange of large tracts of land, heat exchange speed is slow, and the air current flow resistance increases, and the heat dissipation is slow, the technical problem that the radiating efficiency is low.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides an integrated form forced air cooling structure, which comprises a housin, centrifugal wind wheel and pivot, the casing the inside forms and holds the chamber, centrifugal wind wheel installs and holds the chamber the inside, centrifugal wind wheel installs in the pivot, pivot drive centrifugal wind wheel rotates, still arrange two piece at least partition guide plates holding the chamber the inside, two piece at least partition guide plates will hold the chamber and separate into two at least independent airflow channel, set up two at least air inlet and two at least air outlet on the casing, every independent airflow channel and an air inlet and an air outlet intercommunication, high-power device is installed to the outer peripheral face of casing, the heat that high-power device produced is taken away to the casing through the contact transmission, cold air flows in and the casing internal surface contact from air inlet, take away the heat and flow out from the air outlet.
Preferably, a heat dissipation enhancing structure is protruded on the inner surface of the housing.
Preferably, the shell comprises a heat sink end plate and a shell, the outer side surface of the heat sink end plate is provided with the high-power device, the inner side surface of the heat sink end plate is convexly provided with a reinforced heat dissipation structure, 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 in from the air inlet, contacts with the inner side surface of the heat sink end plate and the plurality of heat dissipation columns, takes away heat and flows out from the air outlet.
Preferably, the housing comprises a heat sink end plate and a shell, the high-power device is mounted on the outer peripheral surface of the shell, and the reinforced heat dissipation structure is arranged on the inner surface of the shell in a protruding mode and is a plurality of heat dissipation columns.
Preferably, the number of the separation guide plates is two, the two separation guide plates divide the accommodating cavity into two independent airflow channels, two air inlets and two air outlets are arranged on the shell, and the separation guide plates are formed by protruding from the inner side face of the heat sink end plate.
Preferably, the air inlet and the air outlet are arranged side by side and separated by a separation baffle to form a straight air flow passage.
Preferably, 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, form an area that does not have the heat dissipation post at heat sink end plate medial surface, the bottom of a plurality of wind blades is arranged in regional the inside and is pressed close to heat sink end plate medial surface.
Preferably, a bearing seat protrudes between the inner side surfaces of the heat sink end plates, a bearing is installed in the bearing seat, and the tail end of the rotating shaft is installed and supported on the bearing.
Preferably, the two separation baffles are arranged in parallel and distributed on both sides of the bearing seat.
Preferably, the outer peripheral surface of the bearing seat is tangent to the separation guide plate, and the separation guide plate is provided with a notch so that the wind blade can penetrate through the notch.
Preferably, the outer shell comprises an outer peripheral surface and a top surface, the outer peripheral surface, the top surface and the heat sink end plate are mounted together to form an accommodating cavity, the top surface is provided with a round hole, and the top wheel disc is nested in the round hole.
Preferably, the heat-dissipating stud is circular in cross-sectional shape.
An integrated motor system comprises a BSG motor and a BSG controller, wherein the BSG motor comprises a stator assembly, a rotor assembly, a front end cover, a rear end cover, a rotating shaft and a belt pulley, bearings are arranged in bearing seats on the front end cover and the rear end cover, a rotating shaft support is arranged on the bearings, a shaft extension end of the rotating shaft extends out of the front end cover and is provided with the belt pulley, the rotor assembly is arranged on the rotating shaft, the rotor assembly is sleeved in the stator assembly, and the stator assembly is arranged on the front end cover and the rear end cover;
the rear end cover comprises an accommodating cavity which is formed by enclosing heat sink end plates and is arranged below the heat sink end plates, a BSG controller is arranged on the outer side surfaces of the heat sink end plates, a bearing seat axially protrudes from the middle of the inner side surfaces of the heat sink end plates, a plurality of heat dissipation columns axially protrude from the inner side surfaces of the heat sink end plates at the periphery of the bearing seat, and heat generated by the BSG controller is taken away through the heat sink end plates; the heat dissipation column extends into the accommodating cavity, two separation guide plates are arranged in the accommodating cavity, the accommodating cavity is divided into two independent airflow channels by the two separation guide plates, two air inlets and two air outlets are arranged on the outer peripheral surface of the shell, and each independent airflow channel is communicated with one air inlet and one air outlet; the centrifugal wind wheel is arranged in the accommodating cavity, and when the centrifugal wind wheel rotates, cold air flows in from the air inlet, contacts with the inner side surface of the heat sink end plate and the plurality of heat dissipation columns, takes 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.
Preferably, the two separation baffles are arranged in parallel and distributed on both sides of the bearing seat.
Preferably, the separation guide plate is formed by protruding the inner side surface of the heat sink end plate.
Preferably, 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 an area 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 plurality of wind blades.
Preferably, the outer peripheral surface of the bearing seat is tangent to the separation guide plate, and the separation guide plate is provided with a notch so that the wind blade can penetrate through the notch.
Preferably, the heat-dissipating stud is circular in cross-sectional shape.
Compared with the prior art, the utility model, following effect has:
1) 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 arranged in the containing cavity, the centrifugal wind wheel is arranged on the rotating shaft and drives the centrifugal wind wheel to rotate, at least two separation guide plates are also arranged in the containing cavity and divide the containing cavity into at least two independent airflow channels by the at least two separation guide plates, at least two air inlets and at least two air outlets are arranged on the shell, each independent airflow channel is communicated with one air inlet and one air outlet, a 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, cold air flows in from the air inlets, is in contact with the inner surface of the shell and flows out from the air outlets, the length of the airflow channels is shortened through the design of the multiple airflow channels, and the airflow resistance can be effectively reduced, the heat exchange speed is improved, the heat dissipation is accelerated, and therefore the heat dissipation efficiency 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 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 exploded view of an angle of a first embodiment of the present invention;
fig. 9 is an exploded view from 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 schematic structural diagram of a third embodiment of the present invention;
fig. 12 is a perspective view of a fourth embodiment of the present invention;
fig. 13 is a front view of a fourth embodiment of the present invention;
FIG. 14 is a cross-sectional view C-C of FIG. 13;
FIG. 15 is a cross-sectional view taken along line D-D of FIG. 14;
fig. 16 is an exploded view at an angle of a fourth embodiment of the present invention;
fig. 17 is an exploded view of another angle of the fourth 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, 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 installed on the rotating shaft 7, the rotating shaft 7 drives the centrifugal wind wheel 3 to rotate, at least two separation guide plates 5 are further arranged in the containing cavity 10, the containing cavity 10 is separated into at least two independent airflow channels 20 by the at least two separation guide plates 5, the housing is provided with at least two air inlets 42 and at least two air outlets 43, each independent airflow channel 20 is communicated with one air inlet 42 and one air outlet 43, a high-power device 1 is installed on the outer peripheral surface of the housing, heat generated by the high-power device 1 is transferred to the housing through contact, cold air flows in from the air inlets 42 and contacts with the inner surface of the housing, the heat is taken away and flows out from the air outlet 43, the length of the airflow channel is shortened through the design of the multiple airflow channels, the airflow flow resistance can be effectively reduced, the heat exchange speed is improved, and therefore the heat dissipation efficiency is improved.
The enhanced heat dissipation structure protrudes from 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; cold air flows in 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 structure is simple, the layout is reasonable, and the high-power device 1 is convenient to mount; 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, the centrifugal wind wheel 3 drives cold air to flow in from the air inlet 42 and contact with the inner side surface 22 of the heat sink end plate 2 and the plurality of heat dissipation columns 6, and the heat is taken away and flows out from the air outlet 43; the utility model discloses, through many airflow channel designs, shorten airflow channel's length, can effectively reduce the airflow flow resistance, improve heat exchange speed to improve the radiating efficiency, moreover through above-mentioned structure, in the same space, improve the cooling capacity of heat radiation structure to power device, through the simulation calculation verification, can reduce the thermal resistance between power device and 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 two separation guide plates 5 divide the accommodating cavity 10 into two independent airflow channels 20, the shell is provided with two air inlets 42 and two air outlets 43, and the separation guide plates 5 are formed by protruding from the inner side surface 22 of the heat sink end plate 2, so that the heat dissipation capacity and the heat dissipation efficiency are improved.
The air inlet 42 and the air outlet 43 are arranged side by side and separated by the separation guide plate 5 to form a straight strip-shaped air flow channel, which is beneficial to the directional flow of the air flow and has simple and reasonable structure.
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 two separation guide plates 5 are arranged in parallel and distributed on two sides of the bearing seat 35; the outer peripheral surface of the bearing seat 35 is tangent to the separation guide plate 5, and the separation 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 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 a containing cavity 10, the top surface 45 is provided with a round hole 46, the top wheel disc 31 is nested in the round hole 46, the structure is simple, the layout is reasonable, and the strengthening and heat dissipation are facilitated.
The cross 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 modification made on the basis of the first embodiment, in the present embodiment, 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 is convexly arranged on an inner surface 44 of the housing 4, and the heat dissipation enhancing structure is a plurality of heat dissipation studs 6.
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, the present embodiment is a structural modification based on the first embodiment, in the present embodiment, three separation flow deflectors 5 are provided, three separation flow deflectors 5 are uniformly distributed at intervals outside the bearing seat 35, the outer circumferential surface of the bearing seat 35 is tangent to the separation flow deflectors 5, and the three separation flow deflectors 5 separate the accommodating cavity 10 into three independent airflow channels 20, so that the heat dissipation efficiency can be further improved.
Example four:
as shown in fig. 12 to 17, the present embodiment provides an integrated motor system, which includes a BSG motor and a BSG controller 1c, the BSG motor includes a stator assembly 100, a rotor assembly 200, a front end cap 300, a rear end cap 400, a rotating shaft 7 and a pulley 500, a bearing 36 is installed in a bearing seat 35 on the front end cap 300 and the rear end cap 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 cap 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 cap 300 and the rear end cap 400, the rear end cap 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 100, the BSG controller 1c is installed on the outer side face 21 of the heat sink end plate 2, the middle of the inner side face 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 face 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, two separation guide plates 5 are further arranged in the accommodating cavity 10, the accommodating cavity 10 is divided into two independent airflow channels 20 by the two separation guide plates 5, two air inlets 42 and two air outlets 43 are arranged on the outer peripheral surface 41 of the shell 4, and each independent airflow channel 20 is communicated with one air inlet 42 and one air outlet 43;
the centrifugal wind wheel 3 is arranged in the accommodating cavity 10, and when the centrifugal wind wheel 3 rotates, cold air flows in 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; centrifugal wind wheel 3 installs on pivot 7, and pivot 7 is used for driving centrifugal wind wheel 3 and rotates.
The two separation guide plates 5 are arranged in parallel and distributed on two sides of the bearing seat 35, and the separation guide plates 5 separate the air inlet 42 and the air outlet 43 and form a flow guide effect, which is beneficial to smooth flow of air flow.
The separation guide plate 5 is formed by protruding the inner side surface 22 of the heat sink end plate 2.
The outer peripheral surface of the bearing seat 35 is tangent to the separation guide plate 5, and the separation 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 cross 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 external side surface 21 of the heat sink end plate 2 is tightly attached with the BSG controller 1c, a large amount of heat of the BSG controller 1c 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, the centrifugal wind wheel 3 drives cold air to flow in from the air inlet 42, and the cold air is contacted with the internal side surface 22 of the heat sink end plate 2 and the plurality of heat dissipation columns 6 to take away the heat and flows out from the air outlet 43; the utility model discloses, through many airflow channel designs, shorten airflow channel's length, can effectively reduce the airflow flow resistance, improve heat exchange speed to improve the radiating efficiency, through above-mentioned structure, in the same space, improve the cooling capacity of heat radiation structure to power device moreover.
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 (14)
1. The utility model provides an integrated form forced air cooling structure, includes casing, centrifugal wind wheel (3) and pivot (7), and the casing the inside forms and holds chamber (10), and centrifugal wind wheel (3) are installed and are being held chamber (10) the inside, and centrifugal wind wheel (3) are installed on pivot (7), and pivot (7) drive centrifugal wind wheel (3) rotate its characterized in that: the high-power LED lamp is characterized in that at least two separation guide plates (5) are arranged in the accommodating cavity (10), the accommodating cavity (10) is separated into at least two independent airflow channels (20) by the at least two separation guide plates (5), the shell is provided with at least two air inlets (42) and at least two air outlets (43), each independent airflow channel (20) is communicated with one air inlet (42) and one air outlet (43), the high-power device (1) is installed on the outer peripheral surface of the shell, heat generated by the high-power device (1) is transmitted to the shell to be taken away through contact, cold air flows in from the air inlets (42), contacts with the inner surface of the shell to take away the heat, and flows out from the air outlets (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 arranged 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), takes 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: the two separating guide plates (5) are preferably two, the containing cavity (10) is separated into two independent airflow channels (20) by the two separating guide plates (5), two air inlets (42) and two air outlets (43) are arranged on the shell, and the separating guide plates (5) are formed by protruding from the inner side surface (22) of the heat sink end plate (2).
6. An integrated air-cooled structure as claimed in claim 5, wherein: the air inlet (42) and the air outlet (43) are arranged side by side and are separated by the separation guide plate (5) to form a straight air flow channel.
7. An integrated air-cooled structure as claimed in claim 5, wherein: the centrifugal wind wheel (3) comprises a top wheel disc (31) and a plurality of wind blades (32) arranged at the edge of the top wheel disc (31), a shaft hole (311) is formed in the middle of the top wheel disc (31), the top wheel disc (31) is arranged on a rotating shaft (7) through the shaft hole (311), the wind blades (32) are circumferentially distributed at intervals along the axis of the top wheel disc (31), the wind blades (32) enclose an inner side cavity (33), a part of heat dissipation columns (6) extend into the cavity (33), the rest of the heat dissipation columns (6) are positioned on the periphery of the wind blades (32), an area (34) without the heat dissipation columns (6) is formed on the inner side (22) of the heat sink end plate (2), the bottom ends (321) of the wind blades (32) are arranged in the area (34) and close to the inner side (22) of the heat sink end plate (2), a bearing seat (35) protrudes between the inner sides (22) of the heat sink end plate (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).
8. An integrated air-cooled structure according to claim 7, wherein: the two separation guide plates (5) are arranged in parallel and distributed on two sides of the bearing seat (35).
9. An integrated air-cooled structure according to claim 8, wherein: the outer peripheral face of bearing frame (35) is tangent with separating guide plate (5), separate and set up breach (51) on guide plate (5) so that wind blade (32) pass from breach (51), shell (4) include outer peripheral face (41) and top surface (45), and outer peripheral face (41), top surface (45) are installed with heat sink end plate (2) and are formed one and hold chamber (10) together, and open top surface (45) has round hole (46), and top rim plate (31) nestification is in round hole (46).
10. The utility model provides an integrated motor system, including BSG motor and BSG controller (1c), the BSG motor includes stator module (100), rotor subassembly (200), front end housing (300), rear end housing (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 housing (400), pivot (7) bearing installation is on bearing (36), the axle of pivot (7) is stretched end (71) and is stretched out front end housing (300) and install belt pulley (500), 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 housing (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 BSG controller (1c) is taken away through the heat sink end plate (2);
the heat dissipation column (6) extends into the accommodating cavity (10), two separation guide plates (5) are further arranged in the accommodating cavity (10), the accommodating cavity (10) is divided into two independent airflow channels (20) by the two separation guide plates (5), two air inlets (42) and two air outlets (43) are arranged on the outer peripheral surface (41) of the shell (4), and each independent airflow channel (20) is communicated with one air inlet (42) and one air outlet (43);
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) and 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 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.
11. The integrated electric machine system of claim 10, wherein: the two separation guide plates (5) are arranged in parallel and distributed on two sides of the bearing seat (35).
12. The integrated electric machine system of claim 11, wherein: the separation guide plate (5) is formed by the protrusion of the inner side surface (22) of the heat sink end plate (2).
13. An integrated motor system according to claim 10, 11 or 12, 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 regional (34) the inside and pressing close to heat sink end plate (2) bottom (321) of a plurality of wind blade (32).
14. The integrated electric machine system of claim 13, wherein: the outer peripheral surface of the bearing seat (35) is tangent to the separation guide plate (5), and a notch (51) is formed in the separation guide plate (5) so that the wind blade (32) can penetrate through the notch (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023142227.XU CN214900536U (en) | 2020-12-24 | 2020-12-24 | Integrated air cooling structure and integrated motor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023142227.XU CN214900536U (en) | 2020-12-24 | 2020-12-24 | Integrated air cooling structure and integrated motor system |
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| Publication Number | Publication Date |
|---|---|
| CN214900536U true CN214900536U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023142227.XU Active CN214900536U (en) | 2020-12-24 | 2020-12-24 | Integrated air cooling structure and integrated motor system |
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| Country | Link |
|---|---|
| CN (1) | CN214900536U (en) |
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2020
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220803 Address after: 201800 No. 300, Hengyu Road, Jiading District, Shanghai Patentee after: SHANGHAI AUTOMOBILE ELECTRIC DRIVE Co.,Ltd. Address before: 1 Caihe Road, Caiyu Economic Development Zone, Caiyu Town, Daxing District, Beijing 102600 Patentee before: BAIC & BROAD-OCEAN MOTOR TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |