CN115489460B - Power-on and power-off control method of all-in-one controller - Google Patents
Power-on and power-off control method of all-in-one controller Download PDFInfo
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- CN115489460B CN115489460B CN202211208706.8A CN202211208706A CN115489460B CN 115489460 B CN115489460 B CN 115489460B CN 202211208706 A CN202211208706 A CN 202211208706A CN 115489460 B CN115489460 B CN 115489460B
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000013461 design Methods 0.000 abstract description 4
- 230000005059 dormancy Effects 0.000 abstract description 2
- 230000002618 waking effect Effects 0.000 abstract 2
- 238000004891 communication Methods 0.000 description 4
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007958 sleep Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
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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
A power-on and power-off control method of an all-in-one controller, the all-in-one controller comprises: the high-voltage power distribution box, the motor controller, the direct-current converter, the oil pump controller and the air pump controller are all in signal connection with the power CAN bus; the control method comprises the following steps: when the high-voltage distribution box detects a power supply wake-up signal, initializing, and waking up other components in the all-in-one controller after the high-voltage distribution box is initialized; after the high-voltage distribution box detects that the power wake-up signal is disconnected, judging whether the current motor rotating speed is zero, if the motor rotating speed is not 0, continuously sending wake-up signals to other parts in the integrated controller, and if the motor rotating speed is 0, stopping waking up the other parts in the integrated controller. The design can realize orderly awakening and dormancy of all parts in the all-in-one controller, and all parts in the all-in-one controller share information among all parts in the all-in-one controller in the power-on and power-off process, so that the safety performance of the whole automobile is improved.
Description
Technical Field
The invention relates to the field of control of pure electric vehicles, in particular to a power-on and power-off control method of an all-in-one controller, which is particularly suitable for power-on and power-off control of the all-in-one controller.
Background
At present, all integrated parts of a pure electric vehicle, such as a main drive, an auxiliary drive, high-voltage power distribution, DCDC and the like, are combined and integrated in multiple ways. In the prior art, for the integrated all-in-one controller of high-voltage power distribution, when the power is on, the VCU sends a wake-up signal to the all-in-one controller, all parts in the all-in-one controller share the wake-up signal, the all-in-one controller wakes up uniformly and starts to communicate with the VCU, all parts in the all-in-one controller are not communicated with each other, all parts in the all-in-one controller are respectively communicated with the VCU, the VCU counts the running condition, the fault number and the fault code of all parts in the all-in-one controller, and the running condition, the fault number and the fault code of all parts in the all-in-one controller are sent to an instrument for display. In the prior art, the awakening of each part is messy, the number of faults of each part is counted, the workload of the VCU is increased, and in the process of power up and power down, information sharing and corresponding processing strategies are not arranged in all-in-one parts, so that the safety risk of the whole vehicle is increased.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the wake-up ratio of all parts in an all-in-one controller is disordered, the work load of a VCU is increased by counting faults of all parts in the all-in-one controller, information cannot be shared among all parts in the process of powering up and powering down, and the safety risk of the whole automobile is increased, and provides a power-on and power-off control method of the all-in-one controller.
In order to achieve the above object, the technical solution of the present invention is:
the all-in-one controller includes: the high-voltage power distribution box, the motor controller, the direct-current converter, the oil pump controller and the air pump controller are all in signal connection with the power CAN bus;
the control method comprises the following steps:
and (3) current process on the controller:
when the high-voltage distribution box detects a power wake-up signal, initializing the high-voltage distribution box, and after the high-voltage distribution box is initialized, respectively sending the wake-up signal to the motor controller, the direct-current converter, the oil pump controller and the air pump controller through the power CAN bus;
the motor controller is initialized after receiving the wake-up signal, and starts to operate after the initialization of the motor controller is completed, and motor operation information is sent to the power CAN bus in real time in the operation process of the motor controller;
the direct current converter is initialized after receiving the wake-up signal, and starts to operate after the initialization of the direct current converter is completed, and the direct current converter operation information is sent to the power CAN bus in real time in the process of operating the direct current converter;
the oil pump controller is initialized after receiving the wake-up signal, and starts to operate after the initialization of the oil pump controller is completed, and oil pump operation information is sent to the power CAN bus in real time in the operation process of the oil pump controller;
the air pump controller is initialized after receiving the wake-up signal, and starts to operate after the initialization of the air pump controller is completed, and air pump operation information is sent to the power CAN bus in real time in the operation process of the air pump controller;
and (3) the power-down flow of the controller:
after the high-voltage distribution box detects that the power wake-up signal is disconnected, judging whether the current motor rotating speed is zero according to the motor operation information, and if the current motor rotating speed is not zero, continuously sending wake-up signals to a motor controller, a direct-current converter, an oil pump controller and an air pump controller by the high-voltage distribution box;
if the current motor rotation speed is zero, the high-voltage distribution box stops sending wake-up signals to the motor controller, the direct-current converter, the oil pump controller and the air pump controller, and after the high-voltage distribution box stops sending the wake-up signals to the motor controller, the direct-current converter, the oil pump controller and the air pump controller, the high-voltage distribution box, the motor controller, the direct-current converter, the oil pump controller and the air pump controller enter a dormant state.
The high-voltage distribution box is in signal connection with the whole vehicle controller through a whole vehicle CAN bus;
and after the high-voltage distribution box is initialized, motor operation information, direct-current converter operation information, oil pump operation information and air pump operation information are obtained in real time through a power CAN bus, and the motor operation information, the direct-current converter operation information, the oil pump operation information and the air pump operation information are sent to a whole vehicle VCU through a whole vehicle CAN bus.
And after the high-voltage distribution box is initialized, a control instruction sent by the whole vehicle VCU is obtained in real time through the whole vehicle CAN bus, and a motor controller, a direct-current converter, an oil pump controller and an air pump controller are controlled according to the control instruction.
The motor operation information includes: motor speed, motor torque, motor temperature, motor voltage, motor current, motor controller temperature, motor operation mode, motor fault information;
the dc converter operation information includes: direct current converter input power, direct current converter output voltage, direct current converter output current, direct current converter fault information;
the oil pump operation information includes: oil pump controller temperature, oil pump motor speed, oil pump fault information;
the air pump operation information includes: air pump temperature, air pump motor speed, air pump fault information.
The motor operation mode is a torque control mode or a rotating speed control mode;
the motor fault information includes: motor fault code, motor fault grade;
the dc converter fault information includes: direct current converter fault code, direct current converter fault level;
the oil pump failure information includes: oil pump fault code, oil pump fault grade;
the air pump failure information includes: air pump trouble code and air pump trouble grade.
In the controller power-down flow, after the high-voltage distribution box stops sending wake-up signals to the motor controller, the direct-current converter, the oil pump controller and the air pump controller, the motor controller, the direct-current converter, the oil pump controller and the air pump controller enter a dormant state within 1 s.
After the high-voltage distribution box stops sending wake-up signals to the motor controller, the direct-current converter, the oil pump controller and the air pump controller, the high-voltage distribution box enters a dormant state within 1 s.
The high-voltage distribution box is in signal connection with the whole vehicle controller through a whole vehicle CAN bus;
and the whole vehicle controller starts to initialize after detecting that the whole vehicle switch is switched from an OFF gear to an ON gear or receives a charging wake-up signal, and sends a power wake-up signal to the high-voltage distribution box through the whole vehicle CAN bus after the whole vehicle controller is initialized, and the high-voltage distribution box detects the power wake-up signal.
And after detecting that the whole vehicle switch is switched from an ON gear to an OFF gear or a charging completion signal is received, the whole vehicle controller stops sending a power wake-up signal to the high-voltage distribution box, and the high-voltage distribution box detects that the power wake-up signal is disconnected.
The vehicle controller sends a high-voltage down instruction to the high-voltage distribution box through the vehicle CAN bus after detecting that the vehicle switch is switched from an ON gear to an OFF gear or a charging completion signal is received, and the high-voltage distribution box disconnects a high-voltage relay inside the high-voltage distribution box after receiving the high-voltage down instruction, so that the high-voltage down is completed;
after the high voltage is finished, the high voltage distribution box sends a high voltage finishing signal to the whole vehicle controller through the whole vehicle CAN bus, and the whole vehicle controller stops sending a power supply wake-up signal to the high voltage distribution box after receiving the high voltage finishing signal, and the high voltage distribution box detects that the power supply wake-up signal is disconnected.
Compared with the prior art, the invention has the beneficial effects that:
1. in the power-on and power-off control method of the all-in-one controller, the high-voltage distribution box, the motor controller, the direct-current converter, the oil pump controller and the air pump controller are all in signal connection with the power CAN bus, and the high-voltage distribution box, the motor controller, the direct-current converter, the oil pump controller and the air pump controller are mutually independent and CAN share information; meanwhile, the high-voltage distribution box is awakened and initialized after detecting a power source awakening signal, and after the initialization of the high-voltage distribution box is completed, the high-voltage distribution box respectively sends the awakening signal to the motor controller, the direct-current converter, the oil pump controller and the air pump controller through the power CAN bus, so that the motor controller, the direct-current converter, the oil pump controller and the air pump controller are awakened, meanwhile, in the process of powering down the all-in-one controller, the high-voltage distribution box stops sending the awakening signal to other components in the all-in-one controller after the power source awakening signal is disconnected, the ordered awakening and dormancy of the internal components of the all-in-one controller CAN be realized, the state of the high-voltage relay inside the all-in-one controller is processed orderly, the communication efficiency is improved, and the safety guarantee is increased for the whole vehicle.
2. In the power-on and power-off control method of the all-in-one controller, the high-voltage distribution box detects that the power wake-up signal is disconnected and then judges whether the rotating speed of the motor is zero according to the motor operation information, if the rotating speed of the motor is not zero, the high-voltage distribution box continuously sends the wake-up signal to the motor controller, the direct-current converter, the oil pump controller and the air pump controller, if the rotating speed of the motor is zero, the high-voltage distribution box stops sending the wake-up signal to the motor controller, the direct-current converter, the oil pump controller and the air pump controller, and the motor controller, the direct-current converter, the oil pump controller and the air pump controller enter a dormant state after the wake-up signal is disconnected, and because all parts in the all-in-one controller are connected through a power CAN network, the high-voltage distribution box and other parts in the all-in-one controller CAN read the current motor operation information before the wake-up signal is disconnected, and judge whether the rotating speed of the motor is zero at the moment, and the all-in-one controller does not enter the dormant state under the condition that the rotating speed of the motor is not zero, the oil pump controller and the air pump controller CAN normally work to control braking and steering of a vehicle under the condition that the vehicle is at the vehicle speed is not at the moment, and the vehicle safety is not out of control. Therefore, all parts inside the all-in-one controller in the design are connected through the power CAN network, the high-voltage distribution box CAN read the motor rotation speed before disconnecting the wake-up signal, the oil pump controller and the air pump controller CAN work normally under the condition of the vehicle speed, the vehicle runaway caused by the stop of the whole vehicle controller is avoided, and the safety of the vehicle and personnel is ensured.
3. The high-voltage distribution box, the motor controller, the direct-current converter, the oil pump controller and the air pump controller are all in signal connection with the power CAN bus, the high-voltage distribution box is in signal connection with the whole vehicle controller through the whole vehicle CAN bus, the high-voltage distribution box acquires motor operation information, direct-current converter operation information, oil pump operation information and air pump operation information in real time through the power CAN bus in the operation process, and the motor operation information, the direct-current converter operation information, the oil pump operation information and the air pump operation information are sent to the whole vehicle VCU through the whole vehicle CAN bus, and in the process, the high-voltage distribution box CAN send fault information and communication information of all parts in the high-voltage distribution box to the whole vehicle controller after statistics, so that communication efficiency among all controllers is saved. Therefore, in the design, all parts in the all-in-one controller realize information sharing through a power CAN network, and operation information of all parts in the all-in-one controller is counted by a high-voltage distribution box and then sent to the whole vehicle controller, so that communication efficiency among all controllers is saved.
4. According to the whole vehicle controller of the power-ON and power-OFF control method of the all-in-one controller, after detecting that a whole vehicle switch is switched from an ON gear to an OFF gear or a charging completion signal is received, a power-OFF command is sent to a high-voltage distribution box through a whole vehicle CAN bus, the high-voltage distribution box disconnects a high-voltage relay inside the high-voltage distribution box after receiving the power-OFF command, the high-voltage distribution box sends a power-OFF completion signal to the whole vehicle controller through the whole vehicle CAN bus after completing the power-OFF, and the whole vehicle controller stops sending a power-OFF wake-up signal to the high-voltage distribution box after receiving the power-OFF completion signal, so that the safety of equipment and personnel is ensured. Therefore, in the design, the whole vehicle controller turns off the power wake-up signal after confirming that the high voltage is finished, so that the safety of equipment and personnel is ensured.
Drawings
Fig. 1 is a schematic diagram of a connection structure of an all-in-one controller.
FIG. 2 is a flow chart of the power-up of the all-in-one controller.
FIG. 3 is a flow chart of the power-down of the all-in-one controller
In the figure: the high-voltage power distribution box 1, the motor controller 2, the direct-current converter 3, the oil pump controller 4, the air pump controller 5, the whole vehicle controller 6, the power CAN bus 7 and the whole vehicle CAN bus 8.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 3, a power-on and power-off control method of an all-in-one controller, the all-in-one controller comprising: the high-voltage power distribution box 1, the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5, wherein the high-voltage power distribution box 1, the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5 are all in signal connection with the power CAN bus 7, and the high-voltage power distribution box 1 is in signal connection with the whole vehicle controller 6 through the whole vehicle CAN bus 8.
The control method comprises the following steps:
and (3) current process on the controller:
when the high-voltage distribution box 1 detects a power wake-up signal, the high-voltage distribution box 1 is initialized, and after the initialization is completed, wake-up signals are respectively sent to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5 through the power CAN bus 7;
the motor controller 2 is initialized after receiving the wake-up signal, the motor controller 2 starts to operate after the initialization is completed, and motor operation information is sent to the power CAN bus 7 in real time in the operation process of the motor controller 2;
the DC converter 3 is initialized after receiving the wake-up signal, the DC converter 3 starts to operate after the initialization is completed, and DC converter 3 transmits DC converter operation information to the power CAN bus 7 in real time in the process of operation;
the oil pump controller 4 is initialized after receiving the wake-up signal, the oil pump controller 4 starts to operate after the initialization is completed, and oil pump operation information is sent to the power CAN bus 7 in real time in the operation process of the oil pump controller 4;
the air pump controller 5 is initialized after receiving the wake-up signal, the air pump controller 5 starts to operate after the initialization is completed, and air pump operation information is sent to the power CAN bus 7 in real time in the operation process of the air pump controller 5;
and (3) the power-down flow of the controller:
after the high-voltage distribution box 1 detects that the power wake-up signal is disconnected, judging whether the current motor rotating speed is zero according to the motor operation information, if the current motor rotating speed is not zero, the high-voltage distribution box 1 continuously sends the wake-up signal to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5;
if the current motor rotation speed is zero, the high-voltage distribution box 1 stops sending wake-up signals to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5, and after the high-voltage distribution box 1 stops sending wake-up signals to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5, the high-voltage distribution box 1, the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5 enter a dormant state.
After the initialization of the high-voltage distribution box 1 is finished, motor operation information, direct-current converter operation information, oil pump operation information and air pump operation information are obtained in real time through a power CAN bus 7, and the motor operation information, the direct-current converter operation information, the oil pump operation information and the air pump operation information are sent to a whole vehicle VCU through a whole vehicle CAN bus 8.
After the initialization of the high-voltage distribution box 1 is finished, a control instruction sent by the whole vehicle VCU is obtained in real time through the whole vehicle CAN bus 8, and the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5 are controlled according to the control instruction.
The motor operation information includes: motor speed, motor torque, motor temperature, motor voltage, motor current, motor controller temperature, motor operation mode, motor fault information;
the dc converter operation information includes: direct current converter input power, direct current converter output voltage, direct current converter output current, direct current converter fault information;
the oil pump operation information includes: oil pump controller temperature, oil pump motor speed, oil pump fault information;
the air pump operation information includes: air pump temperature, air pump motor speed, air pump fault information.
The motor operation mode is a torque control mode or a rotating speed control mode;
the motor fault information includes: motor fault code, motor fault grade; when the motor has no fault, the motor fault information is 0;
the dc converter fault information includes: direct current converter fault code, direct current converter fault level; when no fault exists, the fault information of the direct current converter is 0;
the oil pump failure information includes: oil pump fault code, oil pump fault grade; when the oil pump has no fault, the oil pump fault information is 0;
the air pump failure information includes: air pump fault code and air pump fault grade; when the air pump is not failed, the air pump failure information is 0.
The motor controller 2, the direct current converter 3, the oil pump controller 4 and the air pump controller 5 enter a dormant state within 1s after stopping receiving the wake-up signal; meanwhile, the high-voltage distribution box 1 enters a sleep state within 1s after stopping sending wake-up signals to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5.
The whole vehicle controller 6 starts to initialize after detecting that the whole vehicle switch is switched from an OFF gear to an ON gear or receives a charging wake-up signal, and after the initialization of the whole vehicle controller 6 is finished, the whole vehicle controller sends a power wake-up signal to the high-voltage distribution box 1 through the whole vehicle CAN bus 8, and the high-voltage distribution box 1 detects the power wake-up signal.
The whole vehicle controller 6 sends a high-voltage down instruction to the high-voltage distribution box 1 through the whole vehicle CAN bus 8 after detecting that the whole vehicle switch is switched from an ON gear to an OFF gear or a charging completion signal is received, and the high-voltage distribution box 1 disconnects a high-voltage relay inside the high-voltage distribution box after receiving the high-voltage down instruction, so that the high-voltage down is completed;
after the high-voltage is finished, the high-voltage distribution box 1 sends a low-voltage finishing signal to the whole vehicle controller 6 through the whole vehicle CAN bus 8, and after the whole vehicle controller 6 receives the low-voltage finishing signal, the high-voltage distribution box 1 stops sending a power wake-up signal, and the high-voltage distribution box 1 detects that the power wake-up signal is disconnected.
The principle of the invention is explained as follows:
the high-voltage distribution box 1, i.e. PDU (Power Distribution Unit), can be used for coordinating the function conversion and the energy distribution of high-voltage accessories such as a motor control system, a battery management system, a charging management system, a direct-current converter, an electric power steering system, a braking system and the like.
Because each part in the existing all-in-one controller is directly communicated with the VCU, information sharing does not exist among all parts in the all-in-one controller, and the awakening of all parts is disordered, in order to solve the problems, in the process of powering on the all-in-one controller, the whole vehicle controller 6 sends an awakening signal to the high-voltage distribution box 1 in the all-in-one controller, and then the high-voltage distribution box 1 sends the awakening signal to other parts in the all-in-one controller, so that the high-voltage distribution box 1 can awaken the parts such as the motor controller 2, the direct current converter 3, the oil pump controller 4, the air pump controller 5 and the like in the all-in-one controller according to the time sequence required by the whole vehicle. In the running process of the all-in-one controller, the high-voltage distribution box 1 forwards control signals sent by the whole vehicle controller 6, so that other parts inside the all-in-one controller are controlled, and running information and fault information of other parts inside the all-in-one controller are also counted by the high-voltage distribution box 1 and then sent to the whole vehicle controller 6. When the all-in-one controller is powered down, wake-up signals of the motor controller 2, the direct current converter 3, the oil pump controller 4, the air pump controller 5 and other components can be disconnected according to the time sequence requirement of the whole vehicle, so that all the components inside the all-in-one controller are sequentially dormant.
Example 1:
the all-in-one controller includes: the high-voltage power distribution box 1, the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5 are in signal connection with the power CAN bus 7, and the high-voltage power distribution box 1 is in signal connection with the whole vehicle controller 6 through the whole vehicle CAN bus 8;
the control method comprises the following steps:
and (3) current process on the controller:
when the high-voltage distribution box 1 detects a power wake-up signal, the high-voltage distribution box 1 is initialized, and after the initialization is completed, wake-up signals are respectively sent to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5 through the power CAN bus 7;
the motor controller 2 is initialized after receiving the wake-up signal, the motor controller 2 starts to operate after the initialization is completed, and motor operation information is sent to the power CAN bus 7 in real time in the operation process of the motor controller 2;
the DC converter 3 is initialized after receiving the wake-up signal, the DC converter 3 starts to operate after the initialization is completed, and DC converter 3 transmits DC converter operation information to the power CAN bus 7 in real time in the process of operation;
the oil pump controller 4 is initialized after receiving the wake-up signal, the oil pump controller 4 starts to operate after the initialization is completed, and oil pump operation information is sent to the power CAN bus 7 in real time in the operation process of the oil pump controller 4;
the air pump controller 5 is initialized after receiving the wake-up signal, the air pump controller 5 starts to operate after the initialization is completed, and air pump operation information is sent to the power CAN bus 7 in real time in the operation process of the air pump controller 5;
and (3) the power-down flow of the controller:
after the high-voltage distribution box 1 detects that the power wake-up signal is disconnected, judging whether the current motor rotating speed is zero according to the motor operation information, if the current motor rotating speed is not zero, the high-voltage distribution box 1 continuously sends the wake-up signal to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5;
if the current motor rotation speed is zero, the high-voltage distribution box 1 stops sending wake-up signals to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5, and after the high-voltage distribution box 1 stops sending wake-up signals to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5, the high-voltage distribution box 1, the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5 enter a dormant state.
After the initialization of the high-voltage distribution box 1 is finished, motor operation information, direct-current converter operation information, oil pump operation information and air pump operation information are obtained in real time through a power CAN bus 7, and the motor operation information, the direct-current converter operation information, the oil pump operation information and the air pump operation information are sent to a whole vehicle VCU through a whole vehicle CAN bus 8.
The motor operation information includes: motor speed, motor torque, motor temperature, motor voltage, motor current, motor controller temperature, motor operation mode, motor fault information;
the dc converter operation information includes: direct current converter input power, direct current converter output voltage, direct current converter output current, direct current converter fault information;
the oil pump operation information includes: oil pump controller temperature, oil pump motor speed, oil pump fault information;
the air pump operation information includes: air pump temperature, air pump motor speed, air pump fault information.
The motor operation mode is a torque control mode or a rotating speed control mode;
the motor fault information includes: motor fault code, motor fault grade;
the dc converter fault information includes: direct current converter fault code, direct current converter fault level;
the oil pump failure information includes: oil pump fault code, oil pump fault grade;
the air pump failure information includes: air pump trouble code and air pump trouble grade.
Example 2:
example 2 is substantially the same as example 1 except that:
in the controller power-down flow, after the high-voltage distribution box 1 stops sending wake-up signals to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5, the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5 enter a dormant state within 1 s.
After the high-voltage distribution box 1 stops sending wake-up signals to the motor controller 2, the direct-current converter 3, the oil pump controller 4 and the air pump controller 5, the high-voltage distribution box 1 enters a dormant state within 1 s.
Example 3:
example 3 is substantially the same as example 2 except that:
the whole vehicle controller 6 starts to initialize after detecting that the whole vehicle switch is switched from an OFF gear to an ON gear or receives a charging wake-up signal, and after the initialization of the whole vehicle controller 6 is finished, the whole vehicle controller sends a power wake-up signal to the high-voltage distribution box 1 through the whole vehicle CAN bus 8, and the high-voltage distribution box 1 detects the power wake-up signal.
The whole vehicle controller 6 sends a high-voltage down instruction to the high-voltage distribution box 1 through the whole vehicle CAN bus 8 after detecting that the whole vehicle switch is switched from an ON gear to an OFF gear or a charging completion signal is received, and the high-voltage distribution box 1 disconnects a high-voltage relay inside the high-voltage distribution box after receiving the high-voltage down instruction, so that the high-voltage down is completed;
after the high-voltage is finished, the high-voltage distribution box 1 sends a low-voltage finishing signal to the whole vehicle controller 6 through the whole vehicle CAN bus 8, and after the whole vehicle controller 6 receives the low-voltage finishing signal, the high-voltage distribution box 1 stops sending a power wake-up signal, and the high-voltage distribution box 1 detects that the power wake-up signal is disconnected.
The above description is merely of preferred embodiments of the present invention, and the scope of the present invention is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.
Claims (6)
1. A power-on and power-off control method of an all-in-one controller is characterized by comprising the following steps of:
the all-in-one controller includes: the high-voltage power distribution box (1), the motor controller (2), the direct-current converter (3), the oil pump controller (4) and the air pump controller (5), wherein the high-voltage power distribution box (1), the motor controller (2), the direct-current converter (3), the oil pump controller (4) and the air pump controller (5) are in signal connection with the power CAN bus (7);
the control method comprises the following steps:
and (3) current process on the controller:
when the high-voltage distribution box (1) detects a power wake-up signal, the high-voltage distribution box (1) is initialized, and after the initialization is completed, wake-up signals are respectively sent to the motor controller (2), the direct-current converter (3), the oil pump controller (4) and the air pump controller (5) through the power CAN bus (7);
the motor controller (2) receives the wake-up signal and then initializes, the motor controller (2) starts to operate after initialization is completed, and motor operation information is sent to the power CAN bus (7) in real time in the operation process of the motor controller (2);
the direct current converter (3) is initialized after receiving the wake-up signal, the direct current converter (3) starts to operate after the initialization is completed, and direct current converter operation information is sent to the power CAN bus (7) in real time in the process of the operation of the direct current converter (3);
the oil pump controller (4) is initialized after receiving the wake-up signal, the oil pump controller (4) starts to operate after the initialization is completed, and oil pump operation information is sent to the power CAN bus (7) in real time in the operation process of the oil pump controller (4);
the air pump controller (5) is initialized after receiving the wake-up signal, the air pump controller (5) starts to operate after the initialization is completed, and air pump operation information is sent to the power CAN bus (7) in real time in the operation process of the air pump controller (5);
and (3) the power-down flow of the controller:
after the high-voltage distribution box (1) detects that the power supply wake-up signal is disconnected, judging whether the current motor rotating speed is zero according to motor operation information, if the current motor rotating speed is not zero, the high-voltage distribution box (1) continuously sends the wake-up signal to the motor controller (2), the direct-current converter (3), the oil pump controller (4) and the air pump controller (5);
if the current motor rotation speed is zero, the high-voltage distribution box (1) stops sending wake-up signals to the motor controller (2), the direct-current converter (3), the oil pump controller (4) and the air pump controller (5), and after the high-voltage distribution box (1) stops sending the wake-up signals to the motor controller (2), the direct-current converter (3), the oil pump controller (4) and the air pump controller (5), the high-voltage distribution box (1), the motor controller (2), the direct-current converter (3), the oil pump controller (4) and the air pump controller (5) enter a dormant state;
the high-voltage distribution box (1) is in signal connection with the whole vehicle controller (6) through the whole vehicle CAN bus (8);
after the high-voltage distribution box (1) is initialized, motor operation information, direct-current converter operation information, oil pump operation information and air pump operation information are obtained in real time through a power CAN bus (7), and the motor operation information, the direct-current converter operation information, the oil pump operation information and the air pump operation information are sent to a whole vehicle VCU through a whole vehicle CAN bus (8);
the vehicle controller (6) starts to initialize after detecting that the vehicle switch is switched from an OFF gear to an ON gear or receives a charging wake-up signal, and after the initialization of the vehicle controller (6) is finished, the vehicle controller sends a power wake-up signal to the high-voltage distribution box (1) through the vehicle CAN bus (8), and the high-voltage distribution box (1) detects the power wake-up signal;
and after detecting that the whole vehicle switch is switched from an ON gear to an OFF gear or a charging completion signal is received, the whole vehicle controller (6) stops sending a power wake-up signal to the high-voltage distribution box (1), and the high-voltage distribution box (1) detects that the power wake-up signal is disconnected.
2. The power-on and power-off control method of the all-in-one controller according to claim 1, wherein the power-on and power-off control method comprises the following steps:
the motor operation information includes: motor speed, motor torque, motor temperature, motor voltage, motor current, motor controller temperature, motor operation mode, motor fault information;
the dc converter operation information includes: direct current converter input power, direct current converter output voltage, direct current converter output current, direct current converter fault information;
the oil pump operation information includes: oil pump controller temperature, oil pump motor speed, oil pump fault information;
the air pump operation information includes: air pump temperature, air pump motor speed, air pump fault information.
3. The power-on and power-off control method of the all-in-one controller according to claim 2, wherein:
the motor operation mode is a torque control mode or a rotating speed control mode;
the motor fault information includes: motor fault code, motor fault grade;
the dc converter fault information includes: direct current converter fault code, direct current converter fault level;
the oil pump failure information includes: oil pump fault code, oil pump fault grade;
the air pump failure information includes: air pump trouble code and air pump trouble grade.
4. The power-on and power-off control method of the all-in-one controller according to claim 1, wherein the power-on and power-off control method comprises the following steps:
in the controller power-down flow, after the high-voltage distribution box (1) stops sending wake-up signals to the motor controller (2), the direct-current converter (3), the oil pump controller (4) and the air pump controller (5), the motor controller (2), the direct-current converter (3), the oil pump controller (4) and the air pump controller (5) enter a dormant state within 1 s.
5. The power-on and power-off control method of the all-in-one controller according to claim 4, wherein:
after the high-voltage distribution box (1) stops sending wake-up signals to the motor controller (2), the direct-current converter (3), the oil pump controller (4) and the air pump controller (5), the high-voltage distribution box (1) enters a dormant state within 1 s.
6. The power-on and power-off control method of the all-in-one controller according to claim 1, wherein the power-on and power-off control method comprises the following steps:
the vehicle controller (6) sends a high-voltage down instruction to the high-voltage distribution box (1) through the vehicle CAN bus (8) after detecting that the vehicle switch is switched from an ON gear to an OFF gear or a charging completion signal is received, and the high-voltage distribution box (1) disconnects a high-voltage relay inside the high-voltage distribution box after receiving the high-voltage down instruction, so that the high-voltage down is completed;
after the high-voltage is finished, the high-voltage distribution box (1) sends a low-voltage finishing signal to the whole vehicle controller (6) through the whole vehicle CAN bus (8), and after the whole vehicle controller (6) receives the low-voltage finishing signal, the high-voltage distribution box (1) stops sending a power supply wake-up signal, and the high-voltage distribution box (1) detects that the power supply wake-up signal is disconnected.
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