CN115489460A - 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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- CN115489460A CN115489460A CN202211208706.8A CN202211208706A CN115489460A CN 115489460 A CN115489460 A CN 115489460A CN 202211208706 A CN202211208706 A CN 202211208706A CN 115489460 A CN115489460 A CN 115489460A
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000013461 design Methods 0.000 abstract description 4
- 230000002618 waking effect Effects 0.000 abstract 2
- 230000005059 dormancy Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 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
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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 comprises the following steps: the high-voltage distribution box, the motor controller, the direct-current converter, the oil pump controller and the air pump controller are in signal connection with a power CAN bus; the control method comprises the following steps: initializing after the high-voltage distribution box detects a power supply wake-up signal, and waking up other components in the all-in-one controller after the high-voltage distribution box is initialized; and the high-voltage distribution box judges whether the current motor rotating speed is zero or not after detecting the disconnection of the power supply wake-up signal, if the motor rotating speed is not 0, the high-voltage distribution box continuously sends wake-up signals to other components in the integrated controller, and if the motor rotating speed is 0, the high-voltage distribution box stops waking up other components in the integrated controller. This design can realize the orderly awakening up and dormancy of the inside each part of unification controller more, and the sharing information between the spare part of unifying more of the inside each part of unification controller at the power-on-off in-process more, improves whole car security performance.
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
The integrated unification of pure electric vehicles at present has two unifications, trinity, four unifications, five unifications even six unifications, basically all makes up the integration more with each spare part such as main drive, the auxiliary drive of pure electric vehicles, high voltage distribution, DCDC. Among the current technical scheme, to the integrated all-in-one controller of high voltage distribution, VCU sends the wake-up signal for all-in-one controller when power on, all-in-one inside spare parts of all-in-one should awaken up the signal together, unified awaken and begin with the VCU communication, do not communicate each other between the inside each part of all-in-one controller, all-in-one controller inside each part communicates with VCU separately, VCU statistics all counts the operating condition, the trouble number, the fault code of all inside each part of all-in-one controller, and send the instrument display. Among the current technical scheme, awakening of each part is more mixed and disorderly, and then the number of faults statistics of each part can increase VCU's work burden, and does not have information sharing and corresponding processing strategy inside between the spare part of unifying more in the power-on-off process, increases the safety risk of whole car.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, awakening of all parts in an all-in-one controller is disordered, faults of all parts in the all-in-one controller are counted, the workload of a VCU (virtual central processing unit) is increased, information cannot be shared among all parts in the power-on and power-off processes, and the safety risk of a whole vehicle is increased, and provides a power-on and power-off control method of the all-in-one controller.
In order to achieve the above purpose, the technical solution of the invention is as follows:
the all-in-one controller includes: the high-voltage distribution box, the motor controller, the direct-current converter, the oil pump controller and the air pump controller are in signal connection with a power CAN bus;
the control method comprises the following steps:
the controller power-on process comprises the following steps:
initializing after the high-voltage distribution box detects a power supply wake-up signal, and respectively sending the wake-up signal to a motor controller, a direct current converter, an oil pump controller and an air pump controller through a power CAN bus after the high-voltage distribution box is initialized;
the motor controller is initialized after receiving the wake-up signal, the motor controller starts to operate after initialization 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, the direct current converter starts to operate after the initialization is completed, and the direct current converter transmits the operation information of the direct current converter to the power CAN bus in real time in the operation process of the direct current converter;
the oil pump controller is initialized after receiving the wake-up signal, the oil pump controller starts to operate after initialization 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, the air pump controller starts to operate after initialization 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;
the power-off process of the controller comprises the following steps:
the high-voltage distribution box judges whether the current motor rotating speed is zero or not according to the motor running information after detecting that the power supply wake-up signal is disconnected, and if the current motor rotating speed is not zero, the high-voltage distribution box continues to send wake-up signals to the motor controller, the direct-current converter, the oil pump controller and the air pump controller;
if the current motor rotating 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 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;
after the high-voltage distribution box is initialized, the motor operation information, the direct-current converter operation information, the oil pump operation information and the air pump operation information are acquired in real time through the 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 the whole vehicle VCU through the whole vehicle CAN bus.
And after the initialization of the high-voltage distribution box is finished, a control instruction sent by a VCU of the whole vehicle is acquired in real time through a CAN bus of the whole vehicle, and the motor controller, the direct-current converter, the oil pump controller and the air pump controller are controlled according to the control instruction.
The motor operation information includes: the motor control system comprises a motor, a motor controller, a motor rotating speed, a motor torque, a motor temperature, a motor voltage, a motor current, a motor operating mode and motor fault information;
the operation information of the direct current converter comprises: the method comprises the following steps that input power of a direct current converter, output voltage of the direct current converter, output current of the direct current converter and fault information of the direct current converter are obtained;
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 running mode is a torque control mode or a rotating speed control mode;
the motor failure information includes: motor fault codes and motor fault grades;
the fault information of the direct current converter comprises: a fault code of the direct current converter and a fault grade of the direct current converter;
the oil pump failure information includes: oil pump fault code, oil pump fault grade;
the air pump failure information includes: air pump fault code, air pump fault grade.
In the power-off process of the controller, after 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, the motor controller, the direct-current converter, the oil pump controller and the air pump controller enter a dormant state within 1 s.
And after the high-voltage distribution box stops sending the awakening signal 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;
the whole vehicle controller is initialized after detecting that a whole vehicle switch is switched from an OFF gear to an ON gear or receiving a charging wake-up signal, the whole vehicle controller sends a power supply wake-up signal to the high-voltage distribution box through a whole vehicle CAN bus after the initialization of the whole vehicle controller is completed, and the high-voltage distribution box detects the power supply wake-up signal.
And after the vehicle controller detects that the switch of the vehicle is switched from the ON gear to the OFF gear or receives a charging completion signal, the vehicle controller stops sending a power supply wake-up signal to the high-voltage distribution box, and the high-voltage distribution box detects that the power supply wake-up signal is disconnected.
The vehicle controller sends a high-voltage command to the high-voltage distribution box through the vehicle CAN bus after detecting that a vehicle switch is switched from an ON gear to an OFF gear or receiving a charging completion signal, and the high-voltage distribution box disconnects a high-voltage relay therein after receiving the high-voltage command and completes high-voltage discharging;
and after the high-voltage is finished, the high-voltage distribution box sends a high-voltage finishing signal to the vehicle control unit through the vehicle CAN bus, the vehicle control unit 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 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 independent from each other and CAN share information; meanwhile, the high-voltage distribution box is awakened and initialized after detecting a power supply awakening signal, the high-voltage distribution box is initialized and then is respectively awakened to the motor controller through the power CAN bus, 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 are awakened, meanwhile, the all-in-one controller is powered off, the high-voltage distribution box stops sending awakening signals to other components in the all-in-one controller after the power supply awakening signal is disconnected, orderly awakening and sleeping of internal components of the all-in-one controller CAN be realized, and the state of the high-voltage relay inside the all-in-one controller is favorably and orderly processed by the all-in-one controller, the communication efficiency is improved, and the safety guarantee is increased for the whole vehicle.
2. The invention relates to a power-on and power-off control method of an all-in-one controller, wherein a high-voltage distribution box judges whether the rotating speed of a motor is zero or not according to motor running information after detecting that a power supply wake-up signal is disconnected, if the rotating speed of the motor is not zero, the high-voltage distribution box continuously sends wake-up signals to a motor controller, a direct-current converter, an oil pump controller and an air pump controller, and if the rotating speed of the motor is zero, 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. Therefore, in the design, all parts in the all-in-one controller are connected through a power CAN network, the high-voltage distribution box CAN read the rotating speed of the motor before the wake-up signal is cut off, the oil pump controller and the air pump controller CAN also work normally under the condition that the vehicle speed is available, the vehicle is prevented from being out of control due to the fact that the whole vehicle controller stops working, and the safety of the vehicle and personnel is guaranteed.
3. The high-voltage distribution box, the motor controller, the direct-current converter, the oil pump controller and the air pump controller in the power-on and power-off control method of the all-in-one controller are 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 sends the motor operation information, the direct-current converter operation information, the oil pump operation information and the air pump operation information to the whole vehicle VCU through the whole vehicle CAN bus, and the high-voltage distribution box CAN send fault information and communication information of each component in the high-voltage distribution box to the whole vehicle controller after statistics in the process, so that the communication efficiency among the controllers is saved. Therefore, in the design, all parts in the all-in-one controller realize information sharing through a power CAN network, and the running information of all parts in the all-in-one controller is sent to the whole vehicle controller after being counted by the high-voltage distribution box, so that the communication efficiency among all the controllers is saved.
4. The vehicle controller of the power-ON and power-OFF control method of the all-in-one controller sends a high-voltage command to the high-voltage distribution box through the vehicle CAN bus after detecting that the vehicle switch is switched from the ON gear to the OFF gear or receives a charging completion signal, the high-voltage distribution box disconnects a high-voltage relay inside the high-voltage distribution box after receiving the high-voltage command, the high-voltage distribution box sends a high-voltage completion signal to the vehicle controller through the vehicle CAN bus after the high-voltage command is completed, the vehicle controller stops sending a power supply wake-up signal to the high-voltage distribution box after receiving the high-voltage completion signal, and the vehicle controller disconnects the power supply wake-up signal after confirming that the high voltage is completed, so that the safety of equipment and personnel is ensured. Therefore, in the design, the vehicle control unit disconnects the power supply wake-up signal after confirming the completion of the low voltage, and 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 power-up of the all-in-one controller.
FIG. 3 is a flow chart of power down of the all-in-one controller
In the figure: the system comprises a high-voltage distribution box 1, a motor controller 2, a direct current converter 3, an oil pump controller 4, an air pump controller 5, a vehicle control unit 6, a power CAN bus 7 and a vehicle CAN bus 8.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 3, a power-on and power-off control method of an all-in-one controller includes: high voltage distribution box 1, machine controller 2, direct current converter 3, oil pump controller 4, air pump controller 5, high voltage distribution box 1, machine controller 2, direct current converter 3, oil pump controller 4, air pump controller 5 all with power CAN bus 7 signal connection, high voltage distribution box 1 is through whole car CAN bus 8 and whole car controller 6 signal connection.
The control method comprises the following steps:
the controller power-on process comprises the following steps:
initializing after the high-voltage distribution box 1 detects a power supply wake-up signal, and respectively sending 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 through a power CAN bus 7 after the high-voltage distribution box 1 is initialized;
the motor controller 2 is initialized after receiving the wake-up signal, 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 the direct current converter 3 sends direct current converter operation information to the power CAN bus 7 in real time in the operation process;
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 the oil pump controller 4 sends oil pump operation information to the power CAN bus 7 in real time in the operation process;
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;
the power-off process of the controller comprises the following steps:
after detecting that the power supply wake-up signal is disconnected, the high-voltage distribution box 1 judges 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 continues to send wake-up signals 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 rotating 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 completed, the motor operation information, the direct current converter operation information, the oil pump operation information and the air pump operation information are acquired 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 completed, a control instruction sent by a complete vehicle VCU is obtained in real time through a complete 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 and motor fault information;
the operation information of the direct current converter comprises: the method comprises the following steps that input power of a direct current converter, output voltage of the direct current converter, output current of the direct current converter and fault information of the direct current converter are obtained;
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 running mode is a torque control mode or a rotating speed control mode;
the motor failure information includes: motor fault codes and motor fault grades; when the motor has no fault, the motor fault information is 0;
the fault information of the direct current converter comprises the following steps: fault codes of the direct current converter and fault levels of the direct current converter; 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 fault information of the oil pump is 0;
the air pump failure information includes: an air pump fault code and an air pump fault grade; when the air pump has no fault, the air pump fault 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 the wake-up signal is stopped being received; meanwhile, the high-voltage distribution box 1 enters a sleep state within 1s after the motor controller 2, the dc converter 3, the oil pump controller 4, and the air pump controller 5 stop sending the wake-up signal.
The whole vehicle controller 6 starts initialization after detecting that a whole vehicle switch is switched from an OFF gear to an ON gear or receiving a charging wake-up signal, the whole vehicle controller 6 sends a power supply wake-up signal to the high-voltage distribution box 1 through the whole vehicle CAN bus 8 after the initialization is finished, and the high-voltage distribution box 1 detects the power supply wake-up signal.
The vehicle controller 6 sends a high voltage command to the high voltage distribution box 1 through the vehicle CAN bus 8 after detecting that a vehicle switch is switched from an ON gear to an OFF gear or receiving a charging completion signal, and the high voltage distribution box 1 disconnects a high voltage relay therein after receiving the high voltage command, so that high voltage discharging is completed;
after the high voltage is finished, the high voltage distribution box 1 sends a high voltage finishing signal to the vehicle control unit 6 through the vehicle CAN bus 8, the vehicle control unit 6 stops sending a power supply awakening signal to the high voltage distribution box 1 after receiving the high voltage finishing signal, and the high voltage distribution box 1 detects that the power supply awakening signal is disconnected.
The principle of the invention is illustrated as follows:
the high voltage Distribution box 1, namely a PDU (Power Distribution Unit), can be used to coordinate function conversion and energy Distribution of high voltage accessories such as a motor control system, a battery management system, a charging management system, a dc converter, an electric Power steering, a braking system, and the like.
Because inside each part of present all-in-one controller all with VCU direct communication, there is not information sharing between the inside each part of all-in-one controller, and the awakening of each spare part is more disordered unordered, in order to solve these problems, at the in-process that all-in-one controller was gone up, send awakening signal by vehicle control unit 6 and give the inside high voltage distribution box 1 of all-in-one controller, send awakening signal by high voltage distribution box 1 to other inside parts of all-in-one controller again, high voltage distribution box 1 can be according to the chronogenesis that the whole car required to awaken the inside motor controller 2 of all-in-one controller, direct current converter 3, oil pump controller 4, parts such as air pump controller 5. In the operation process of the all-in-one controller, the high-voltage distribution box 1 forwards a control signal sent by the vehicle control unit 6, so as to control other parts in the all-in-one controller, and the operation information and the fault information of the other parts in the all-in-one controller are counted by the high-voltage distribution box 1 and then sent to the vehicle control unit 6. When the all-in-one controller is powered off, the awakening 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 components in the all-in-one controller are in sleep in sequence.
Example 1:
the all-in-one controller includes: the high-voltage distribution box comprises a high-voltage distribution box 1, a motor controller 2, a direct-current converter 3, an oil pump controller 4 and an air pump controller 5, wherein 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 are all in signal connection with a power CAN bus 7, and the high-voltage distribution box 1 is in signal connection with a vehicle controller 6 through a vehicle CAN bus 8;
the control method comprises the following steps:
a controller power-on process:
initializing after the high-voltage distribution box 1 detects a power supply wake-up signal, and 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 through the power CAN bus 7 after the high-voltage distribution box 1 is initialized;
the motor controller 2 is initialized after receiving the wake-up signal, 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 the direct current converter 3 sends direct current converter operation information to the power CAN bus 7 in real time in the operation process;
the oil pump controller 4 is initialized after receiving the wake-up signal, the oil pump controller 4 starts to operate after 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;
the power-off process of the controller comprises the following steps:
after detecting that the power supply wake-up signal is disconnected, the high-voltage distribution box 1 judges whether the current motor rotating speed is zero according to the motor operation information, and if the current motor rotating speed is not zero, the high-voltage distribution box 1 continues to send wake-up signals 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 rotating 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 completed, the motor operation information, the direct-current converter operation information, the oil pump operation information and the air pump operation information are acquired in real time through the 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 the whole vehicle VCU through the whole vehicle CAN bus 8.
The motor operation information includes: the motor control system comprises a motor, a motor controller, a motor rotating speed, a motor torque, a motor temperature, a motor voltage, a motor current, a motor operating mode and motor fault information;
the operation information of the direct current converter comprises: the method comprises the following steps that input power of a direct current converter, output voltage of the direct current converter, output current of the direct current converter and fault information of the direct current converter are obtained;
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 running mode is a torque control mode or a rotating speed control mode;
the motor failure information includes: motor fault codes and motor fault grades;
the fault information of the direct current converter comprises: a fault code of the direct current converter and a fault grade of the direct current converter;
the oil pump failure information includes: oil pump fault code, oil pump fault grade;
the air pump failure information includes: air pump fault code, air pump fault grade.
Example 2:
example 2 is substantially the same as example 1 except that:
in the controller power-off process, after the high-voltage distribution box 1 stops sending 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, 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 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, 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 initialization after detecting that a whole vehicle switch is switched from an OFF gear to an ON gear or receiving a charging wake-up signal, the whole vehicle controller 6 sends a power supply wake-up signal to the high-voltage distribution box 1 through the whole vehicle CAN bus 8 after the initialization is finished, and the high-voltage distribution box 1 detects the power supply wake-up signal.
The vehicle controller 6 sends a high-voltage descending instruction to the high-voltage distribution box 1 through the vehicle CAN bus 8 after detecting that a vehicle switch is switched from an ON gear to an OFF gear or receiving a charging completion signal, and the high-voltage distribution box 1 disconnects a high-voltage relay therein after receiving the high-voltage descending instruction to complete high-voltage descending;
after the high voltage is finished, the high voltage distribution box 1 sends a high voltage finishing signal to the vehicle control unit 6 through the vehicle CAN bus 8, the vehicle control unit 6 stops sending a power supply awakening signal to the high voltage distribution box 1 after receiving the high voltage finishing signal, and the high voltage distribution box 1 detects that the power supply awakening signal is disconnected.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.
Claims (9)
1. A power-on and power-off control method of an all-in-one controller is characterized in that:
the all-in-one controller includes: 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) are in signal connection with the power CAN bus (7);
the control method comprises the following steps:
the controller power-on process comprises the following steps:
the high-voltage distribution box (1) is initialized after detecting a power supply wake-up signal, and the high-voltage distribution box (1) sends wake-up signals 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) respectively after initialization is finished;
the motor controller (2) initializes after receiving the wake-up signal, the motor controller (2) starts to operate after the initialization is completed, and the motor controller (2) sends motor operation information to the power CAN bus (7) in real time in the operation process;
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 the direct current converter (3) sends the operation information of the direct current converter to the power CAN bus (7) in real time in the operation process;
the oil pump controller (4) initializes after receiving the wake-up signal, the oil pump controller (4) starts to operate after the initialization is completed, and the oil pump controller (4) sends oil pump operation information to the power CAN bus (7) in real time in the operation process;
the air pump controller (5) initializes 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);
the power-off process of the controller comprises the following steps:
the high-voltage distribution box (1) judges whether the current motor rotating speed is zero or not according to the motor running information after detecting that the power supply wake-up signal is disconnected, if the current motor rotating speed is not zero, the high-voltage distribution box (1) continues to send wake-up signals 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 rotating 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.
2. The power-on and power-off control method of the all-in-one controller according to claim 1, characterized in that:
the high-voltage distribution box (1) is in signal connection with a vehicle control unit (6) through a vehicle CAN bus (8);
after the initialization of the high-voltage distribution box (1) is completed, the motor operation information, the direct-current converter operation information, the oil pump operation information and the air pump operation information are acquired 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).
3. The power-on and power-off control method of the all-in-one controller according to claim 1 or 2, wherein:
the motor operation information includes: the motor control system comprises a motor, a motor controller, a motor rotating speed, a motor torque, a motor temperature, a motor voltage, a motor current, a motor operating mode and motor fault information;
the operation information of the direct current converter comprises: the method comprises the following steps that input power of a direct current converter, output voltage of the direct current converter, output current of the direct current converter and fault information of the direct current converter are obtained;
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.
4. The power-on and power-off control method of the all-in-one controller according to claim 3, characterized in that:
the motor running mode is a torque control mode or a rotating speed control mode;
the motor failure information includes: motor fault codes and motor fault grades;
the fault information of the direct current converter comprises the following steps: fault codes of the direct current converter and fault levels of the direct current converter;
the oil pump failure information includes: an oil pump fault code, an oil pump fault grade;
the air pump failure information includes: air pump fault code, air pump fault grade.
5. The power-on and power-off control method of the all-in-one controller according to claim 1, characterized in that:
in the controller power-off process, 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 in 1 s.
6. The power-on and power-off control method of the all-in-one controller according to claim 5, characterized in that:
after the high-voltage distribution box (1) stops sending the awakening signal 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.
7. The power-on and power-off control method of the all-in-one controller according to claim 1, characterized in that:
the high-voltage distribution box (1) is in signal connection with a vehicle control unit (6) through a vehicle CAN bus (8);
the whole vehicle controller (6) is initialized after detecting that a whole vehicle switch is switched from an OFF gear to an ON gear or receiving a charging wake-up signal, the whole vehicle controller (6) sends a power supply wake-up signal to the high-voltage distribution box (1) through a whole vehicle CAN bus (8) after the initialization is finished, and the high-voltage distribution box (1) detects the power supply wake-up signal.
8. The power-on and power-off control method of the all-in-one controller according to claim 7, characterized in that:
and the vehicle controller (6) stops sending a power supply wake-up signal to the high-voltage distribution box (1) after detecting that the switch of the vehicle is switched from an ON gear to an OFF gear or receiving a charging completion signal, and the high-voltage distribution box (1) detects that the power supply wake-up signal is disconnected.
9. The power-on and power-off control method of the all-in-one controller according to claim 7, wherein:
the vehicle controller (6) sends a high-voltage descending instruction to the high-voltage distribution box (1) through the vehicle CAN bus (8) after detecting that the switch of the vehicle is switched from the ON gear to the OFF gear or receiving a charging completion signal, and the high-voltage distribution box (1) disconnects a high-voltage relay therein after receiving the high-voltage descending instruction to complete high-voltage descending;
after the high voltage is finished, the high voltage distribution box (1) sends a high voltage finishing signal to the vehicle control unit (6) through the vehicle CAN bus (8), the vehicle control unit (6) stops sending a power supply awakening signal to the high voltage distribution box (1) after receiving the high voltage finishing signal, and the high voltage distribution box (1) detects that the power supply awakening signal is disconnected.
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