阅读说明：本技术 一种bsg系统的电机控制器及集成式bsg系统 (Motor controller of BSG system and integrated BSG system ) 是由 焦兵锋 于 2020-06-20 设计创作，主要内容包括：本发明公开了一种BSG系统的电机控制器及集成式BSG系统,所述BSG系统的电机控制器包括控制板组件和集成电气模块组件,控制板组件包括第一散热器、绝缘导热垫、控制板和第一箱体外壳组成；集成电气模块组件包括第二箱体外壳和集成电气模块,第二箱体外壳里面设置第二空腔,集成电气模块安装在第二空腔里面；将控制板和集成电气模块封装在不同的箱体外壳里,且控制板组件和集成电气模块组件之间存在一定的间隙,能够增大集成电气模块中功率模块和控制板之间的热阻,提高功率模块最大允许工作温度,从而充分发挥集成式BSG电机控制器功率模块的性能,同时保证控制板上电子元器件的使用寿命,有效保障集成式BSG系统的工作效率和工作稳定性。(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.)

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.

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.