CN111614212B - Motor controller of BSG system and integrated BSG system - Google Patents
Motor controller of BSG system and integrated BSG system Download PDFInfo
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- CN111614212B CN111614212B CN202010569248.5A CN202010569248A CN111614212B CN 111614212 B CN111614212 B CN 111614212B CN 202010569248 A CN202010569248 A CN 202010569248A CN 111614212 B CN111614212 B CN 111614212B
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- integrated
- bsg
- module
- motor controller
- control board
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
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- 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
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
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- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a motor controller of a BSG system and an integrated BSG system, wherein the motor controller of the BSG system comprises a control board assembly and an integrated electrical module assembly, and the control board assembly comprises a first radiator, an insulating heat conducting pad, a control board and a first box shell; the integrated electric module assembly comprises a second box body shell and an integrated electric module, a second cavity is formed in the second box body shell, and the integrated electric module is installed in the second cavity; the control board and the integrated electric module are packaged in different box shells, a certain gap exists between the control board assembly and the integrated electric module assembly, the thermal resistance between the power module and the control board in the integrated electric module can be increased, the maximum allowable working temperature of the power module is improved, the performance of the power module of the integrated BSG motor controller is fully exerted, the service life of electronic components on the control board is ensured, and the working efficiency and the working stability of the integrated BSG system are effectively ensured.
Description
Technical field:
the invention relates to a motor controller of a BSG system and an integrated BSG system applied by the motor controller.
The background technology is as follows:
the urgent need for environmental protection places higher demands on reducing the energy consumption of conventional fuel automobiles. The idling start-stop system belongs to a light hybrid power system, has the characteristics of low price, small change of the whole vehicle structure and convenient popularization, and a Belt-driven start generator (Belt-driven Starter Generator, BSG) is one of core components of the idling start-stop system. The existing integrated BSG system comprises a BSG motor and a motor controller, wherein the motor controller is integrated on the rear end face of the BSG, the motor controller comprises a controller box body, a capacitor module, a power module and a control board, the capacitor module is arranged on one side of the power module, and the control board is arranged above the power module; the BSG system has the characteristics of compact structure, small volume, light weight and good heat dissipation performance, but in the motor controller, the control board is arranged above the power module, so that when the BSG stably works, the temperature of a device on the control board is equivalent to that of the power module, and the performance of the power module cannot be fully exerted in order to meet the temperature requirement of normal work of electronic components on the control board. If the working temperature of the power module is too high, the working temperature of the electronic components on the control board is higher than the normal working temperature of the electronic components, and the service life of the electronic components is greatly reduced.
The invention comprises the following steps:
the invention aims to provide a motor controller of a BSG system and an integrated BSG system, which can solve the problems that in the prior art, as a control board is directly arranged above a power module, when the BSG stably works, the temperature of a device on the control board is equivalent to that of the power module, and in order to meet the temperature requirement of normal work of electronic components on the control board, the performance of the power module cannot be fully exerted, so that the working efficiency and the working stability of the integrated BSG system are affected.
The aim of the invention is achieved by the following technical scheme.
A motor controller for a BSG system comprising a control board assembly and an integrated electrical module assembly, characterized in that:
the integrated electric module assembly comprises a second box body shell and an integrated electric module, a second cavity is formed in the second box body shell, the integrated electric module is installed in the second cavity, the integrated electric module comprises a capacitor module, a power module and a second radiator, the capacitor module and the power module are all installed on the second radiator, the capacitor module is installed on one side of the power module, and the second radiator is installed at the bottom of the second box body shell to encapsulate the capacitor module and the power module;
the control board assembly comprises a first radiator, an insulating heat conducting pad, a control board and a first box body shell, a first cavity is formed in the first box body shell, the control board is arranged in the first cavity and paved with the insulating heat conducting pad, the first radiator is arranged at the top of the first box body shell to encapsulate the insulating heat conducting pad and the control board, and the insulating heat conducting pad is positioned between the control board and the first radiator;
the control panel subassembly is located integrated electric module subassembly periphery and installs on integrated electric module subassembly, and the top of second box shell is sunken to have a step, and first box shell installs on the step, forms the clearance between the step face of step and the bottom surface of first box shell, and the clearance intussuseption is filled with insulating heat insulating mattress, and the step includes step face and step lateral wall, and insulating heat insulating mattress includes side heat insulating board and plane heat insulating board, and plane heat insulating board is spread at the step face, and side heat insulating board pastes on the step lateral wall.
The thermal coefficient of the insulating heat insulation pad is larger than that of air.
The control board is connected with the integrated electric module through the connector and transmits control signals, and the first box shell and the second box shell are respectively provided with a first through hole and a second through hole for the pins of the connector to pass through.
The first radiator and the second radiator are made of aluminum plates, the top of the first radiator extends out of the first radiating teeth, and the bottom of the second radiator extends out of the second radiating teeth.
An integrated BSG system, includes BSG motor and motor controller, and motor controller installs on the BSG motor, its characterized in that: the motor controller is the motor controller of the BSG system.
The BSG motor is cooled by forced air, and the motor controller is arranged on an end cover of the air-cooled BSG.
Compared with the prior art, the invention has the following effects:
1) The invention relates to a motor controller of a BSG system, which comprises a control board assembly and an integrated electric module assembly, wherein the control board assembly comprises a first radiator, an insulating heat conducting pad, a control board and a first box body shell; the integrated electric module assembly comprises a second box body shell and an integrated electric module, a second cavity is formed in the second box body shell, and the integrated electric module is installed in the second cavity; the control board and the integrated electric module are packaged in different box shells, a certain gap exists between the control board assembly and the integrated electric module assembly, the thermal resistance between the power module and the control board in the integrated electric module can be increased, the maximum allowable working temperature of the power module is improved, the performance of the power module of the integrated BSG motor controller is fully exerted, the service life of electronic components on the control board is ensured, and the working efficiency and the working stability of the integrated BSG system are effectively ensured.
2) Other advantages of the present invention are described in detail in the examples section.
Description of the drawings:
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view of the insulation blanket of FIG. 2 with the addition of insulation blankets;
FIG. 4 is an exploded view of a first embodiment of the present invention;
fig. 5 is an exploded view of a second housing shell and insulation pad according to the first embodiment of the invention.
The specific embodiment is as follows:
the invention is described in further detail below by means of specific embodiments in connection with the accompanying drawings.
Embodiment one:
as shown in fig. 1, 2 and 4, the present embodiment provides a motor controller of a BSG system, including a control board assembly 1 and an integrated electrical module assembly 3, which is characterized in that:
the integrated electrical module assembly 3 comprises a second box housing 31 and an integrated electrical module 32, a second cavity 310 is arranged in the second box housing 31, and the integrated electrical module 32 is arranged in the second cavity 310;
the control board assembly 1 is located at the periphery of the integrated electrical module assembly 3 and is mounted on the integrated electrical module assembly 3 leaving a gap 20 between the control board assembly 1 and the integrated electrical module assembly 3.
The control board 13 and the integrated electric module 32 are packaged in different box shells, a certain gap exists between the control board assembly 1 and the integrated electric module assembly 3, the thermal resistance between the power module and the control board in the integrated electric module can be increased, the maximum allowable working temperature of the power module is improved, the control board assembly 1 is provided with the independent first radiator 11 for radiating, the temperature of electronic components on the control board 13 can be effectively reduced, the performance of the power module of the integrated BSG motor controller is fully exerted, the service life of the electronic components on the control board is ensured, and the working efficiency and the working stability of the integrated BSG system are effectively ensured.
The control board assembly 1 comprises a first radiator 11, an insulating heat conducting pad 12, a control board 13 and a first box shell 14, wherein a first cavity 141 is formed in the first box shell 14, the control board 13 is arranged in the first cavity 141 and is paved with the insulating heat conducting pad 12, the first radiator 11 is arranged at the top of the first box shell 14 to encapsulate the insulating heat conducting pad 12 and the control board 13, and the insulating heat conducting pad 12 is arranged between the control board 13 and the first radiator 11.
As shown in fig. 2, 3, 4 and 5, the top of the second box housing 31 is recessed with a step 311, the first box housing 14 is mounted on the step 311, and a gap 20 is formed between a step surface 3111 of the step 311 and the bottom surface 140 of the first box housing 14, so that the structure is compact, the integrity is strong, and the volume is small.
The gap 20 is filled with the insulating mat 2, and the thermal coefficient of the insulating mat 2 is larger than that of air. The thermal resistance between the power module 322 and the control board 13 is further increased, so that the high temperature is not easy to be transferred to the control board when the integrated electric module 32 works, and the working temperature of the electronic components on the control board 13 is ensured to be in a proper range, thereby prolonging the service life and the working stability of the electronic components on the control board 13.
The step 311 comprises a step surface 3111 and a step side wall 3112, the insulating heat insulation pad 2 comprises a side heat insulation plate 22 and a plane heat insulation plate 21, the plane heat insulation plate 21 is paved on the step surface 3111, the side heat insulation plate 22 is attached to the step side wall 3112, the structure is simple and reasonable, the installation is convenient, and the heat insulation effect between the control panel assembly 1 and the integrated electric module assembly 3 is further improved.
The integrated electrical module 32 includes the capacitor module 321, the power module 322 and the second radiator 323, the capacitor module 321 and the power module 322 are all installed on the second radiator 323, the capacitor module 321 is installed on one side of the power module 322, the second radiator 323 is installed at the bottom of the second box shell 31 to encapsulate the capacitor module 321 and the power module 322, the structure is simple, the installation is easy, and the independent second radiator 323 is provided, the heat dissipation effect is good, and the working temperature of the capacitor module 321 and the power module 322 is effectively reduced.
The control board 13 is connected with the integrated electrical module 32 by the connector 4 and transmits control signals, and the first box shell 14 and the second box shell 31 are respectively provided with a first through hole 142 and a second through hole 313 for the pins of the connector 4 to pass through, so that the integrated electrical module is simple and reasonable in structure and strong in integrity.
The first radiator 11 and the second radiator 323 are both made of aluminum plates, the top of the first radiator 11 extends out of the first radiating teeth 111, the bottom of the second radiator 323 extends out of the second radiating teeth 3231, and the radiator is simple in structure, good in radiating effect and independent of each other, and can effectively reduce the temperature of electronic components on the control board 13, so that the performance of the power module of the integrated BSG motor controller is fully exerted, and meanwhile, the service life of the electronic components on the control board is guaranteed.
Embodiment two:
an integrated BSG system, comprising a BSG motor and a motor controller 100, the motor controller 100 being mounted on the BSG motor, characterized in that: the motor controller 100 is the motor controller of the BSG system according to the first embodiment.
The control board 13 and the integrated electric module 32 are packaged in different box shells, a certain gap exists between the control board assembly 1 and the integrated electric module assembly 3, the thermal resistance between the power module and the control board in the integrated electric module can be increased, the maximum allowable working temperature of the power module is improved, the control board assembly 1 is provided with the independent first radiator 11 for radiating, the temperature of electronic components on the control board 13 can be effectively reduced, the performance of the power module of the integrated BSG motor controller is fully exerted, the service life of the electronic components on the control board is ensured, and the working efficiency and the working stability of the integrated BSG system are effectively ensured.
Above-mentioned BSG motor is through forced air cooling heat dissipation, motor controller 100 installs on the end cover of forced air cooling BSG, and second heat dissipation tooth 3231 is cooled by the air that the BSG tip flabellum drove, can accelerate the radiating efficiency of second radiator 323, further reduces the temperature when the electric capacity module 321 and power module 322 work, reduces the high temperature when power module 322 work simultaneously and influences the electronic components on control panel 13 to the performance of integrated BSG motor controller power module is fully played.
The above examples 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 principles of the present invention are included in the scope of the present invention.
Claims (6)
1. A motor controller of a BSG system, comprising a control board assembly (1) and an integrated electrical module assembly (3), characterized in that:
the integrated electric module assembly (3) comprises a second box shell (31) and an integrated electric module (32), a second cavity (310) is formed in the second box shell (31), the integrated electric module (32) is arranged in the second cavity (310), the integrated electric module (32) comprises a capacitor module (321), a power module (322) and a second radiator (323), the capacitor module (321) and the power module (322) are arranged on the second radiator (323), the capacitor module (321) is arranged on one side of the power module (322), and the second radiator (323) is arranged at the bottom of the second box shell (31) to encapsulate the capacitor module (321) and the power module (322);
the control panel assembly (1) comprises a first radiator (11), an insulating heat conducting pad (12), a control panel (13) and a first box body shell (14), wherein a first cavity (141) is formed in the first box body shell (14), the control panel (13) is arranged in the first cavity (141) and is paved with the insulating heat conducting pad (12), the first radiator (11) is arranged at the top of the first box body shell (14) to encapsulate the insulating heat conducting pad (12) and the control panel (13), and the insulating heat conducting pad (12) is positioned between the control panel (13) and the first radiator (11);
the control panel assembly (1) is located the periphery of the integrated electric module assembly (3) and is installed on the integrated electric module assembly (3), a step (311) is recessed in the top of the second box shell (31), the first box shell (14) is installed on the step (311), a gap (20) is formed between a step surface (3111) of the step (311) and a bottom surface (140) of the first box shell (14), an insulating heat insulation pad (2) is filled in the gap (20), the step (311) comprises a step surface (3111) and a step side wall (3112), the insulating heat insulation pad (2) comprises a side heat insulation plate (22) and a plane heat insulation plate (21), the plane heat insulation plate (21) is paved on the step surface (3111), and the side heat insulation plate (22) is attached to the step side wall (3112).
2. The motor controller of a BSG system according to claim 1, wherein: the thermal coefficient of the insulating heat insulation pad (2) is larger than that of air.
3. A motor controller of a BSG system according to claim 1 or 2, wherein: the control board (13) is connected with the integrated electrical module (32) through the connector (4) and transmits control signals, and the first box body shell (14) and the second box body shell (31) are respectively provided with a first through hole (142) and a second through hole (313) for the pins of the connector (4) to pass through.
4. A motor controller for a BSG system according to claim 3, wherein: the first radiator (11) and the second radiator (323) are made of aluminum plates, the top of the first radiator (11) extends out of the first radiating teeth (111), and the bottom of the second radiator (323) extends out of the second radiating teeth (3231).
5. An integrated BSG system, comprising a BSG motor and a motor controller (100), the motor controller (100) being mounted on the BSG motor, characterized in that: the motor controller (100) is a motor controller of a BSG system according to any one of claims 1 to 4.
6. The integrated BSG system according to claim 5, wherein: the BSG motor radiates heat through forced air cooling, and the motor controller (100) is arranged on an end cover of the air-cooled BSG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010569248.5A CN111614212B (en) | 2020-06-20 | 2020-06-20 | Motor controller of BSG system and integrated BSG system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010569248.5A CN111614212B (en) | 2020-06-20 | 2020-06-20 | Motor controller of BSG system and integrated BSG system |
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| CN111614212A CN111614212A (en) | 2020-09-01 |
| CN111614212B true CN111614212B (en) | 2023-07-14 |
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Effective date of registration: 20220801 Address after: 201800 No. 300, Hengyu Road, Jiading District, Shanghai Applicant after: SHANGHAI AUTOMOBILE ELECTRIC DRIVE Co.,Ltd. Address before: 1 Caihe Road, Caiyu Economic Development Zone, Caiyu Town, Daxing District, Beijing 102600 Applicant before: BAIC & BROAD-OCEAN MOTOR TECHNOLOGY CO.,LTD. |
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