CN111614212A - Motor controller of BSG system and integrated BSG system - Google Patents
Motor controller of BSG system and integrated BSG system Download PDFInfo
- Publication number
- CN111614212A CN111614212A CN202010569248.5A CN202010569248A CN111614212A CN 111614212 A CN111614212 A CN 111614212A CN 202010569248 A CN202010569248 A CN 202010569248A CN 111614212 A CN111614212 A CN 111614212A
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- China
- Prior art keywords
- motor controller
- bsg
- integrated
- control panel
- module
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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
-
- 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
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 panel component and an integrated electric module component, and the control panel component comprises a first radiator, an insulating heat-conducting pad, a control panel and a first box shell; the integrated electrical module assembly comprises a second box body shell and an integrated electrical module, a second cavity is arranged in the second box body shell, and the integrated electrical module is arranged in the second cavity; the control panel and the integrated electrical module are packaged in different box shells, a certain gap exists between the control panel assembly and the integrated electrical module assembly, the thermal resistance between the power module and the control panel in the integrated electrical module can be increased, the maximum allowable working temperature of the power module is improved, the performance of the integrated BSG motor controller power module is fully exerted, the service life of electronic components on the control panel is ensured, and the working efficiency and the working stability of the integrated BSG system are effectively guaranteed.
Description
The technical field is as follows:
the invention relates to a motor controller of a BSG system and an integrated BSG system applied by the motor controller.
Background art:
the urgent need for environmental protection puts higher demands on reducing the energy consumption of conventional fuel-powered vehicles. The idling start-stop system belonging to the light hybrid power system has the characteristics of low price, small change on the whole vehicle structure and convenience for popularization, and a Belt-driven Starter Generator (BSG) is one of the 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 installed on one side of the power module, and the control board is installed 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 panel is arranged above the power module, so that when the BSG works stably, the temperature of devices on the control panel is equivalent to that of the power module, and in order to meet the temperature requirement of normal working of electronic components on the control panel, the performance of the power module cannot be fully exerted. If the working temperature of the power module is too high, the working temperature of the electronic components on the control panel is higher than the normal working temperature of the electronic components, and the service life of the electronic components is greatly reduced.
The invention content is as follows:
the invention aims to provide a motor controller of a BSG system and an integrated BSG system, which can solve the problem that in the prior art, because a control board is directly arranged above a power module, when the BSG works stably, the temperature of a device on the control board is equivalent to that of the power module, 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, and thus the working efficiency and the working stability of the integrated BSG system are influenced.
The purpose of the invention is realized by the following technical scheme.
The utility model provides a motor controller of BSG system, includes control panel subassembly and integrated electrical module subassembly which characterized in that:
the integrated electrical module assembly comprises a second box body shell and an integrated electrical module, a second cavity is arranged in the second box body shell, and the integrated electrical module is arranged in the second cavity;
the control board assembly is located at the periphery of the integrated electrical module assembly and is installed on the integrated electrical module assembly, and a gap is reserved between the control board assembly and the integrated electrical module assembly.
The control panel assembly comprises a first radiator, an insulating heat conduction pad, a control panel and a first box shell, a first cavity is formed in the first box shell, the control panel is installed in the first cavity, the insulating heat conduction pad is laid on the control panel, the first radiator is installed at the top of the first box shell and encapsulates the insulating heat conduction pad and the control panel, and the insulating heat conduction pad is located between the control panel and the radiator.
The top of the second box body shell is sunken with a step, the first box body shell is arranged on the step, and a gap is formed between the step surface of the step and the bottom surface of the first box body shell.
The gaps are filled with insulating heat insulation pads. The thermal resistivity of the insulating and heat insulating pad is greater than that of air.
The step comprises a step surface and a step side wall, the insulating and heat-insulating pad comprises a side heat-insulating plate and a plane heat-insulating plate, the plane heat-insulating plate is paved on the step surface, and the side heat-insulating plate is attached to the step side wall.
The integrated electrical module comprises a capacitor module, a power module and a second radiator, wherein the capacitor module and the power module are both arranged on the second radiator, the capacitor module is arranged on one side of the power module, and the second radiator is arranged at the bottom of the second box body shell and encapsulates the capacitor module and the power module.
The control board and the integrated electric module are connected through a connector and transmit 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 pin of the connector to pass through.
The first radiator and the second radiator are both 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.
The utility model provides an integrated form BSG system, includes BSG motor and machine controller, machine controller installs on the BSG motor its characterized in that: the motor controller is the motor controller of the BSG system.
The BSG motor dissipates heat through forced air cooling, and the motor controller is installed on an end cover of the air-cooled BSG.
Compared with the prior art, the invention has the following effects:
1) the motor controller of the BSG system comprises a control panel assembly and an integrated electrical module assembly, wherein the control panel assembly comprises a first radiator, an insulating heat-conducting pad, a control panel and a first box shell; the integrated electrical module assembly comprises a second box body shell and an integrated electrical module, a second cavity is arranged in the second box body shell, and the integrated electrical module is arranged in the second cavity; the control panel and the integrated electrical module are packaged in different box shells, a certain gap exists between the control panel assembly and the integrated electrical module assembly, the thermal resistance between the power module and the control panel in the integrated electrical module can be increased, the maximum allowable working temperature of the power module is improved, the performance of the integrated BSG motor controller power module is fully exerted, the service life of electronic components on the control panel is ensured, and the working efficiency and the working stability of the integrated BSG system are effectively guaranteed.
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 FIG. 2 with the addition of an insulating thermal pad;
FIG. 4 is an exploded view of a first embodiment of the present invention;
FIG. 5 is an exploded view of the second box housing and the insulating and heat insulating mat according to the first embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1, fig. 2 and fig. 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, and 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 mounted on the integrated electrical module assembly 3 with a gap 20 left between the control board assembly 1 and the integrated electrical module assembly 3.
According to the integrated BSG motor controller, the control panel 13 and the integrated electrical module 32 are packaged in different box shells, a certain gap exists between the control panel assembly 1 and the integrated electrical module assembly 3, so that the thermal resistance between the power module and the control panel in the integrated electrical module can be increased, the maximum allowable working temperature of the power module is improved, the control panel assembly 1 is provided with the independent first radiator 11 for radiating, the temperature of electronic components on the control panel 13 can be effectively reduced, the performance of the integrated BSG motor controller power module is fully exerted, the service life of the electronic components on the control panel is ensured, and the working efficiency and the working stability of the integrated BSG system are effectively guaranteed.
The control panel assembly 1 comprises a first heat sink 11, an insulating heat conducting pad 12, a control panel 13 and a first box casing 14, wherein a first cavity 141 is formed in the first box casing 14, the control panel 13 is installed in the first cavity 141 and paved with the insulating heat conducting pad 12, the first heat sink 11 is installed at the top of the first box casing 14 to encapsulate the insulating heat conducting pad 12 and the control panel 13, and the insulating heat conducting pad 12 is located between the control panel 13 and the heat sink 11.
As shown in fig. 2, 3, 4 and 5, the second casing 31 has a step 311 recessed from the top thereof, the first casing 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 casing 14, so that the structure is compact, the integrity is high, and the volume is small.
The gap 20 is filled with the insulating and heat insulating pad 2, and the thermal resistivity of the insulating and heat insulating pad 2 is larger than that of air. Further increasing the thermal resistance between the power module 322 and the control board 13, so that the high temperature of the integrated electrical module 32 is not easily transferred to the control board when in operation, and the operating 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 operating stability of the electronic components on the control board 13.
The integrated electrical module 32 comprises the capacitor module 321, the power module 322 and the second heat sink 323, the capacitor module 321 and the power module 322 are both mounted on the second heat sink 323, the capacitor module 321 is mounted on one side of the power module 322, and the second heat sink 323 is mounted at the bottom of the second box casing 31 to encapsulate the capacitor module 321 and the power module 322.
The control board 13 and the integrated electrical module 32 are connected by the connector 4 and transmit 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.
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, and the bottom of the second radiator 323 extends out of the second radiating teeth 3231.
Example two:
an integrated form BSG system, includes BSG motor and motor controller 100, and motor controller 100 installs on the BSG motor its characterized in that: the motor controller 100 is a motor controller of the BSG system according to the first embodiment.
According to the invention, the control panel 13 and the integrated electric module 32 are packaged in different box shells, a certain gap exists between the control panel assembly 1 and the integrated electric module assembly 3, so that the thermal resistance between a power module and the control panel in the integrated electric module can be increased, the maximum allowable working temperature of the power module is improved, the control panel assembly 1 is provided with the independent first radiator 11 for radiating, the temperature of electronic components on the control panel 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 panel is ensured, and the working efficiency and the working stability of the integrated BSG system are effectively ensured.
The BSG motor is cooled by forced air cooling, the motor controller 100 is installed on an end cover of the air-cooled BSG, the second heat dissipation teeth 3231 are cooled by air driven by fan blades at the end of the BSG, the heat dissipation efficiency of the second heat sink 323 can be accelerated, the working temperature of the capacitor module 321 and the power module 322 is further reduced, and meanwhile, the influence of the working high temperature of the power module 322 on electronic components on the control panel 13 is reduced, so that the performance of the integrated BSG motor controller power module is fully exerted.
The above embodiments are only preferred embodiments of the present invention, but the present invention is not limited thereto, and any other changes, modifications, substitutions, combinations, simplifications, which are made without departing from the spirit and principle of the present invention, are all equivalent replacements within the protection scope of the present invention.
Claims (11)
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 electrical module assembly (3) comprises a second box shell (31) and an integrated electrical module (32), a second cavity (310) is arranged in the second box shell (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), and a gap (20) is reserved between the control board assembly (1) and the integrated electrical module assembly (3).
2. The motor controller of a BSG system of claim 1, wherein: the control panel assembly (1) comprises a first radiator (11), an insulating heat-conducting pad (12), a control panel (13) and a first box shell (14), a first cavity (141) is formed in the first box shell (14), the control panel (13) is installed in the first cavity (141) and paved with the insulating heat-conducting pad (12), the first radiator (11) is installed at the top of the first box shell (14) and encapsulates the insulating heat-conducting pad (12) and the control panel (13), and the insulating heat-conducting pad (12) is located between the control panel (13) and the radiator (11).
3. The motor controller of a BSG system of claim 2, wherein: a step (311) is sunken in the top of the second box body shell (31), the first box body shell (14) is installed on the step (311), and a gap (20) is formed between a step surface (3111) of the step (311) and a bottom surface (140) of the first box body shell (14).
4. The motor controller of a BSG system of claim 3, wherein: the gap (20) is filled with an insulating heat-insulating pad (2).
5. The motor controller of a BSG system of claim 4, wherein: the thermal resistivity of the insulating and heat-insulating pad (2) is larger than that of air.
6. The motor controller of a BSG system of claim 5, wherein: the step (311) comprises a step surface (3111) and a step side wall (3112), the insulating and heat insulating pad (2) comprises a side heat insulating plate (22) and a plane heat insulating plate (21), the plane heat insulating plate (21) is paved on the step surface (3111), and the side heat insulating plate (22) is attached to the step side wall (3112).
7. The motor controller of a BSG system according to claim 1, 2, 3, 4, 5 or 6, wherein: the integrated electric module (32) comprises a capacitor module (321), a power module (322) and a second radiator (323), wherein the capacitor module (321) and the power module (322) are both 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) and encapsulates the capacitor module (321) and the power module (322).
8. The motor controller of a BSG system of claim 7, wherein: the control board (13) and the integrated electrical module (32) are connected through a connector (4) and transmit 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 pins of the connector (4) to pass through.
9. The motor controller of a BSG system of claim 8, wherein: 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), and the bottom of the second radiator (323) extends out of the second radiating teeth (3231).
10. 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 9.
11. The integrated BSG system of claim 10, wherein: the BSG motor dissipates heat through forced air cooling, and the motor controller (100) is installed on an end cover of the air-cooled BSG.
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| 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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| CN202010569248.5A CN111614212B (en) | 2020-06-20 | 2020-06-20 | Motor controller of BSG system and integrated BSG system |
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| CN111614212A true CN111614212A (en) | 2020-09-01 |
| CN111614212B CN111614212B (en) | 2023-07-14 |
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| 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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