CN220511003U - Integrated motor control system of pure electric commercial vehicle with multiple power sections and multiple types of motors - Google Patents
Integrated motor control system of pure electric commercial vehicle with multiple power sections and multiple types of motors Download PDFInfo
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- CN220511003U CN220511003U CN202321588902.2U CN202321588902U CN220511003U CN 220511003 U CN220511003 U CN 220511003U CN 202321588902 U CN202321588902 U CN 202321588902U CN 220511003 U CN220511003 U CN 220511003U
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Abstract
The utility model provides an integrated motor control system of a pure electric commercial vehicle with multiple power sections and multiple types of motors, which is characterized in that: the integrated control system integrates a high-voltage power distribution system, a DC/DC power supply system, a driving motor control system, an auxiliary driving motor control system and an adapter plate; the high-voltage power distribution system is connected with the power battery, the DC/DC power supply system, the driving motor control system and the auxiliary driving motor control system; the driving motor control system comprises a control board PCBA, a driving board PCBA and power device IGBT (insulated gate bipolar transistor) on the driving board PCBA, wherein the power device IGBT is provided with 6 power device IGBT; the controller is externally connected with a three-wire driving motor through 3 three-phase wires or connected with a six-wire driving motor through 6 three-phase wires. The utility model realizes the matching of multiple power sections and multiple types of motors and covers most commercial vehicle types.
Description
Technical Field
The utility model belongs to the field of new energy automobiles, and particularly relates to an integrated motor control system of a pure electric commercial vehicle suitable for multiple power sections and multiple types of motors.
Background
In the future, the development of commercial vehicles focuses on the technical development directions of low carbonization, intellectualization, ecologization, electric operation and high quality, and focuses on the intelligent management of an intelligent system on vehicle oil saving and energy consumption reduction, and the technical fields of new energy green power assemblies, light weight, electric operation, new energy, intelligent driving, new materials, intelligent chassis, internet of vehicles, high reliability, long service life, post treatment and the like.
Commercial vehicles are vehicles designed and technically used for transporting people and goods and can pull trailers. The vehicle type is wide, and the power range is wide, including passenger cars, medium and heavy truck, dumper, tractor, mixer truck and the like. A control system is developed aiming at different vehicle types, and the utilization rate is not high.
At present, the main integration modes of the domestic commercial vehicle control system mainly comprise two types: main drive MCU+auxiliary drive integration and pure auxiliary drive integration. Part of manufacturers design an all-in-one motor control system, and aiming at the phenomenon of homogeneous development of all manufacturers of the current integrated motor control system, the integrated motor control system of the pure electric commercial vehicle suitable for multiple power sections and multiple types of motors is required to be designed for further improving the competitiveness of products.
Disclosure of Invention
The utility model provides an integrated motor control system of a pure electric commercial vehicle with multiple power sections and multiple types of motors, and aims to provide an integrated motor control system of a pure electric commercial vehicle suitable for multiple power sections and multiple types of motors, so that matching of the multiple power sections and the multiple types of motors is realized, and most commercial vehicle types are covered.
The utility model adopts the technical scheme that:
pure electric commercial vehicle integrated motor control system of many types of motors of many power section, its characterized in that:
the integrated control system integrates a high-voltage power distribution system, a DC/DC power supply system, a driving motor control system, an auxiliary driving motor control system and an adapter plate;
the high-voltage distribution system is internally provided with a contactor and a fuse;
the contactor of the high-voltage distribution system is connected with the power battery, the DC/DC power supply system, the driving motor control system and the auxiliary driving motor control system;
the storage battery is connected with the DC/DC power supply system;
the DC/DC power supply system is connected with the driving motor control system through CAN;
the external low-voltage signal is connected with the adapter plate, and the adapter plate is connected with the DC/DC power supply system, the driving motor control system and the auxiliary driving motor control system;
the driving motor control system comprises a control board PCBA, a driving board PCBA and power device IGBT (insulated gate bipolar transistor) on the driving board PCBA, wherein the power device IGBT is provided with 6 power device IGBT;
every two power device IGBTs in the controller are connected in parallel to control one of the three phases;
the controller is externally connected with a three-wire driving motor through 3 three-phase wires or connected with a six-wire driving motor through 6 three-phase wires;
the auxiliary driving motor control system comprises a control driving board PCBA and power device IGBT, wherein the power device IGBT is connected with and controls two auxiliary driving motors, the power device IGBT is in three-phase encapsulation of two groups of IGBTs, and each group of power device IGBT controls one auxiliary motor.
In the driving motor control system, a driving motor control three-phase line output port is formed through a 3-line output copper distribution; 2 power device IGBTs, namely UU are connected in parallel and then output U phases connected with the motor through a driving motor control three-phase line output port, 2 power device IGBTs, namely VV are connected in parallel and then output V phases connected with the motor through a driving motor control three-phase line output port, and 2 power device IGBTs, namely WW are connected in parallel and then output W phases connected with the motor through a driving motor control three-phase line output port.
In the driving motor control system, a driving motor control three-phase line output port is formed through a 6-line output copper distribution; UU separately forms two U junctions after parallelly connected, and two U looks of three phase line delivery outlet output connection motor are controlled through two driving motor, and VV separately forms two V junctions after parallelly connected, and two W looks of three phase line delivery outlet output connection motor are controlled through two driving motor, and the WW separately forms two W junctions after parallelly connected, two W looks of three phase line delivery outlet output connection motor are controlled through two driving motor.
Two groups of IGBT three-phase packages inside the auxiliary drive motor control drive plate respectively control 2 auxiliary motors through 23 pin metal connectors.
The IGBT three-phase package inside the auxiliary drive motor control drive board is of a plug-and-play type 50A specification or 75A specification.
The high-voltage distribution system is connected with the electric heating module; an electric defrost module; an electric air conditioning module.
The electric air conditioner module output port, the electric defrosting module output port and the electric heating module output port are respectively provided with plugs.
The driving motor control system, the auxiliary driving motor control system and the DC/DC power supply system are independent modules.
Advantageous effects
The utility model discloses an integrated motor control system of a pure electric commercial vehicle suitable for multiple power sections and multiple types of motors, which integrates a driving motor control system, an auxiliary driving motor control system, a high-voltage distribution system and a DC/DC power supply system, distributes the high voltage of the whole vehicle to different high-voltage power utilization units, and respectively drives a motor, an auxiliary motor and DC/DC to work through a control module. The modular design is adopted, the use of another module is not influenced by the cancellation of a single module, and meanwhile, the modular motor is compatible with different output mode designs, so that the use of motors with different powers and different types of vehicles is met. The utility model integrates a plurality of systems, realizes motors of different types in different power sections, has compact structure, small volume and light weight, is optional, is suitable for various commercial vehicle types, and is beneficial to whole vehicle arrangement and platform treatment. The integrated control system provided by the utility model is a highly integrated control system. The system design method is simple, the structure is compact, the shell is shared, the die opening cost is saved, the internal systems can be separated, the design cost is reduced, and the configuration of different vehicle types is realized.
Drawings
FIG. 1 is a block diagram of an integrated control system design (drive motor is a 3-wire motor);
FIG. 2 is a drive motor control system of an integrated control system (drive motor is a 6-wire motor);
FIG. 3 is an illustration of the output structure of the integrated controller drive motor control system (3 three phase single motor);
FIG. 4 is a top view of FIG. 3;
FIG. 5 is an illustration of the output structure of the integrated controller drive motor control system (6 three phase single motor);
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a bottom view of an integrated controller auxiliary motor control system and power distribution system output configuration;
fig. 8 is a right side view of the output structure of the integrated controller auxiliary motor control system and the power distribution system.
Detailed Description
The utility model will be further described with reference to the drawings and the specific embodiments.
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other embodiments may be obtained according to these drawings without inventive effort for a person skilled in the art. In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1:
the integrated control system integrates a high-voltage power distribution system, a DC/DC power supply system, a driving motor control system, an auxiliary driving motor control system and an adapter plate.
The external related system comprises a power battery, a storage battery, an external low-voltage signal, an electric heating module, an electric defrosting module, an electric air conditioning module, a driving motor (3-wire motor) and an auxiliary motor 1 (e.g. steering assist motor), auxiliary motor 2 (e.g., an air compression motor).
The high-voltage distribution system is internally provided with a contactor and a fuse.
The contactor of the high-voltage distribution system is connected with the power battery, the DC/DC power supply system, the driving motor control system, the auxiliary driving motor control system and the electric heating module; an electric defrost module; an electric air conditioning module.
The storage battery is connected with the DC/DC power supply system.
The DC/DC power supply system is connected with the driving motor control system through CAN.
The external low-voltage signal is connected with the adapter plate, and the adapter plate is connected with the DC/DC power supply system, the driving motor control system and the auxiliary driving motor control system.
The high-voltage distribution system takes electricity from the power battery, and controls multiple paths of high-voltage electricity through the closing and opening of the contactor, and the high-voltage distribution system mainly comprises other systems on the commercial vehicle outside the integrated controller and internal systems of the integrated controller. Other systems on the commercial vehicle outside the integrated controller refer to different high-voltage power utilization systems such as electric heating, electric defrosting and electric heating, and the internal system of the integrated controller mainly refers to a DC/DC power supply system, a driving motor control system and an auxiliary driving motor control system.
The driving motor control system comprises a control board PCBA, a driving board PCBA and a power device IGBT on the driving board PCBA, and controls the driving motor by receiving an external signal to control the on-off of the power device IGBT. Wherein 6 power device IGBTs are designed. Every two IGBTs in the controller control one of the three phases in parallel. The controller is externally connected with a three-wire driving motor (shown in figure 1) through 3 three-phase wires or is connected with a six-wire driving motor (shown in figure 2) through 6 three-phase wires.
Auxiliary driving motor control systemComprises a control driving board PCBA and a power device IGBT. Two auxiliary driving motors are controlled by receiving external signals: auxiliary motor 1 (e.g. steering assist motor), auxiliary motor 2 (e.g., an air compression motor). Wherein the power device IGBT designs two sets of three-phase packages (IGBT 3 packages (UVW)), each set controlling an auxiliary motor.
And the signals received by the driving motor control system and the auxiliary driving control system are converted through the adapter plate. The adapter plate is connected with an external low-voltage signal through the plug-in unit.
The DC/DC power supply system converts high voltage to low voltage to provide low voltage power to the on-board storage battery of the commercial vehicle.
In the driving motor control system in the integrated control system, the internal 6 IGBTs are configured by connecting different structural members to design different output copper bars, 3 three-phase single motors and 6 three-phase single motors are configured, the internal connection structure display of the output copper bar mode of the 3 three-phase single motors is shown in fig. 3 and 4, and the internal connection structure display of the output copper bar mode of the 6 three-phase single motors is shown in fig. 5 and 6. The layout of the output copper bars of the 6 three-phase single motors is larger than the power realized by a driving motor controller system of the output copper bars of the 3 three-phase single motors.
As shown in fig. 3 and 4:
in the driving motor control system, 2 power device IGBTs 1 are connected in parallel and used for controlling a U phase, 2 power device IGBTs 1 are connected in parallel and used for controlling a V phase, and 2 power device IGBTs 1 are connected in parallel and used for controlling a W phase. A drive motor control (3-wire) three-phase wire outlet 33 is formed by the 3-wire output copper bar layout 23. UU is connected in parallel and then outputs the U phase connected with the motor through a driving motor control (3-wire) three-phase line output port 33, VV is connected in parallel and then outputs the V phase connected with the motor through a driving motor control (3-wire) three-phase line output port 33, WW is connected in parallel and then outputs the W phase connected with the motor through a driving motor control (3-wire) three-phase line output port 33. There are also distribution modules 4, DC/DC outlets 5, 3 three phase line vias 63.
Or as shown in fig. 5 and 6:
in the driving motor control system, 2 power device IGBTs 1 are connected in parallel and used for controlling a U phase, 2 power device IGBTs 1 are connected in parallel and used for controlling a V phase, and two power device IGBTs 1 are connected in parallel and used for controlling a W phase. A drive motor control (6-wire) three-phase wire outlet 36 is formed through the 6-wire output copper bar layout 26. The UU is connected in parallel and then is divided into two U-phase connection parts, two U-phases of the motor are output and connected through two driving motor control (6-wire) three-phase line output ports 36, the VV is connected in parallel and then is divided into two V-phase connection parts, two V-phases of the motor are output and connected through two driving motor control (6-wire) three-phase line output ports 36, the WW is connected in parallel and then is divided into two W-phase connection parts, and two W-phases of the motor are output and connected through two driving motor control (6-wire) three-phase line output ports 36. There are also distribution modules 4, DC/DC outlets 5, 6 three phase line vias 66.
Further, the IGBT in the driving motor control system can be selected from a 600A specification and a 900A specification, and 3-wire motor and 6-wire motor with different power can be controlled.
As shown in fig. 7 and 8:
the auxiliary drive motor controls two sets of IGBT three-phase packages 72 inside the drive plate 71, one for each set of several Kw auxiliary motors. Finally the auxiliary motor is controlled by 1 3pin metal connector 73 1 (e.g., a steering assist motor), 1 3pin metallic connector 74 controls the auxiliary motor 2 (e.g., an air compression motor).
Further, the IGBT three-phase package 72 may be 50A or 75A, which is plug and play, and the low-power auxiliary motor with different power segments is flexibly adjusted and configured according to the configuration of the whole vehicle 1 Auxiliary motor 2 Simultaneously two low-power auxiliary motors 1 Auxiliary motor 2 Can be switched with each other.
The DC/DC power supply system module 75 in the integrated controller is arranged at the bottom of the integrated controller, the independent module is designed, and the DC/DC power supply system module 75 in the integrated control system can be omitted when the whole vehicle is independently provided with the DC/DC power supply.
Furthermore, the driving motor control system, the auxiliary driving motor control system and the DC/DC power supply system adopt independent module designs, can be configured and matched according to the requirements of the whole vehicle, and an unnecessary control system can be not assembled without influencing the use of another system.
The external power distribution of the power distribution system in the integrated control system is plugged through the structural dust cover plug. See plugs 79 in the positions of the electric air conditioning module output 76, the electric defrost module output 77, and the electric heating module output 78 in fig. 7 and 8, and can be plugged when power distribution is not needed.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. Pure electric commercial vehicle integrated motor control system of many types of motors of many power section, its characterized in that:
the integrated control system integrates a high-voltage power distribution system, a DC/DC power supply system, a driving motor control system, an auxiliary driving motor control system and an adapter plate;
the high-voltage distribution system is internally provided with a contactor and a fuse;
the contactor of the high-voltage distribution system is connected with the power battery, the DC/DC power supply system, the driving motor control system and the auxiliary driving motor control system;
the storage battery is connected with the DC/DC power supply system;
the DC/DC power supply system is connected with the driving motor control system through CAN;
the external low-voltage signal is connected with the adapter plate, and the adapter plate is connected with the DC/DC power supply system, the driving motor control system and the auxiliary driving motor control system;
the driving motor control system comprises a control board PCBA, a driving board PCBA and power device IGBT (insulated gate bipolar transistor) on the driving board PCBA, wherein the power device IGBT is provided with 6 power device IGBT;
every two power device IGBTs in the controller are connected in parallel to control one of the three phases;
the controller is externally connected with a three-wire driving motor through 3 three-phase wires or connected with a six-wire driving motor through 6 three-phase wires;
the auxiliary driving motor control system comprises a control driving board PCBA and power device IGBT, wherein the power device IGBT is connected with and controls two auxiliary driving motors, the power device IGBT is in three-phase encapsulation of two groups of IGBTs, and each group of power device IGBT controls one auxiliary motor.
2. The integrated motor control system for a pure electric commercial vehicle with multiple power segments and multiple types of motors according to claim 1, wherein: in the driving motor control system, a driving motor control three-phase line output port is formed through a 3-line output copper distribution; 2 power device IGBTs, namely UU are connected in parallel and then output U phases connected with the motor through a driving motor control three-phase line output port, 2 power device IGBTs, namely VV are connected in parallel and then output V phases connected with the motor through a driving motor control three-phase line output port, and 2 power device IGBTs, namely WW are connected in parallel and then output W phases connected with the motor through a driving motor control three-phase line output port.
3. The integrated motor control system for a pure electric commercial vehicle with multiple power segments and multiple types of motors according to claim 1, wherein: in the driving motor control system, a driving motor control three-phase line output port is formed through a 6-line output copper distribution; UU separately forms two U junctions after parallelly connected, and two U looks of three phase line delivery outlet output connection motor are controlled through two driving motor, and VV separately forms two V junctions after parallelly connected, and two W looks of three phase line delivery outlet output connection motor are controlled through two driving motor, and the WW separately forms two W junctions after parallelly connected, two W looks of three phase line delivery outlet output connection motor are controlled through two driving motor.
4. The integrated motor control system for a pure electric commercial vehicle with multiple power segments and multiple types of motors according to claim 1, wherein: two groups of IGBT three-phase packages inside the auxiliary drive motor control drive plate respectively control 2 auxiliary motors through 23 pin metal connectors.
5. The integrated motor control system for a pure electric commercial vehicle with multiple power segments and multiple types of motors according to claim 1, wherein: the IGBT three-phase package inside the auxiliary drive motor control drive board is of a plug-and-play type 50A specification or 75A specification.
6. The integrated motor control system for a pure electric commercial vehicle with multiple power segments and multiple types of motors according to claim 1, wherein: the high-voltage distribution system is connected with the electric heating module; an electric defrost module; an electric air conditioning module.
7. The integrated motor control system for an electric only commercial vehicle having multiple power segments and multiple types of motors according to claim 6, wherein: the electric air conditioner module output port, the electric defrosting module output port and the electric heating module output port are respectively provided with plugs.
8. The integrated motor control system for a pure electric commercial vehicle with multiple power segments and multiple types of motors according to claim 1, wherein: the driving motor control system, the auxiliary driving motor control system and the DC/DC power supply system are independent modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321588902.2U CN220511003U (en) | 2023-06-21 | 2023-06-21 | Integrated motor control system of pure electric commercial vehicle with multiple power sections and multiple types of motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321588902.2U CN220511003U (en) | 2023-06-21 | 2023-06-21 | Integrated motor control system of pure electric commercial vehicle with multiple power sections and multiple types of motors |
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| Publication Number | Publication Date |
|---|---|
| CN220511003U true CN220511003U (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321588902.2U Active CN220511003U (en) | 2023-06-21 | 2023-06-21 | Integrated motor control system of pure electric commercial vehicle with multiple power sections and multiple types of motors |
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| Country | Link |
|---|---|
| CN (1) | CN220511003U (en) |
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2023
- 2023-06-21 CN CN202321588902.2U patent/CN220511003U/en active Active
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