Search

CN-116923298-B - Plug-in controller power supply system and control method thereof

CN116923298BCN 116923298 BCN116923298 BCN 116923298BCN-116923298-B

Abstract

The application relates to a plug-in controller power supply system and a control method thereof. The pluggable controller power supply system comprises a back plate, a connector, a function manager and a controller, wherein the back plate is provided with a boosting module, the boosting module is used for converting input power supply voltage of the whole vehicle system into module working voltage, when the controller is plugged into the connector, the back plate monitors that a power condition signal is of a low level, the controller sets a wake-up signal transmitted to the function manager as a high level, and the function manager receives the high-level wake-up signal and then is electrified to operate. The plug-in controller power supply system can convert the input power supply voltage of the whole vehicle system into the module working voltage, so that the problem of large input current of the high-power controller is avoided, and after the blade type controller is inserted into the rack, the power condition signal can be used for informing the front-stage power supply unit of power-on without other operations, so that the plug-and-play of the controller is realized.

Inventors

  • DUAN GUANGHUA

Assignees

  • 上海均胜普联智能科技有限公司

Dates

Publication Date
20260508
Application Date
20230628

Claims (7)

  1. 1. The pluggable controller power supply system is characterized by comprising a back plate, a connector, a function manager and a controller; the backboard is provided with a boosting module, so that the backboard converts the received power supply voltage of the whole vehicle system into a module working voltage through the boosting module; one end of the connector is electrically connected to the back plate, and the other end of the connector is electrically connected to the function manager and the controller, so that the module working voltage is transmitted to the function manager, and module interaction signals are transmitted between the back plate and the controller; the function manager is electrically connected to the connector to acquire the module working voltage; The controller is electrically connected to the connector and the function manager in a pluggable manner, when the controller is electrically connected to the connector, a module interaction signal transmitted by the controller to the backboard comprises a power condition signal, and a module interaction signal transmitted by the backboard to the controller comprises a wake-up signal, when the controller is plugged into the connector, the backboard monitors that the power condition signal is low level, the controller sets the wake-up signal transmitted to the function manager as high level, and the function manager receives the wake-up signal of high level and then powers on to operate; The function manager comprises a main function area module and a backup area module, wherein the backup area module is used for taking over the operation work of executing the main function area module after the main function area module fails; The controller comprises a power logic control module, a power logic control module and a control module, wherein the power logic control module is used for sending a power condition signal to the backboard and receiving and monitoring a wake-up signal sent by the backboard; The backboard is further used for monitoring the current value output by the boosting module, when the current value output by the boosting module is larger than a first threshold value, the backboard sends a low-level energy-saving signal to the power logic control module, and when the power logic control module monitors that the energy-saving signal is low, the power logic control module sends a closing signal to the backup area module to control the backup area module to be powered off and closed.
  2. 2. The system of claim 1, wherein the voltage value of the module operating voltage is determined by the boost module according to the power range of the function manager, and the voltage value of the module operating voltage is greater than the voltage value of the overall system power supply voltage, such that the current value input to the function manager is reduced.
  3. 3. The pluggable controller power system of claim 1, wherein the main functional area module is configured to execute an advanced driving assistance system ADAS algorithm, the backup area module is configured to backup a portion of functions of the ADAS algorithm, and the backup area module is specifically configured to take over execution of the ADAS algorithm after the main functional area module fails.
  4. 4. The system of claim 1, wherein when the wake-up signal transmitted from the back plane to the controller is at a low level, the controller is powered off after receiving the wake-up signal at the low level.
  5. 5. The power supply system according to claim 1, wherein the power status signal is changed from low level to high level when the controller pulls out the connector, and wherein the controller sets a wake-up signal transmitted to the function manager to low level when the back plate detects that the power status signal is high level, and the function manager receives the wake-up signal to power off.
  6. 6. A control method of the power supply system of the plug-in controller according to any one of claims 1 to 5, comprising: Controlling the backboard to perform power-on operation, so that the backboard converts the received power supply voltage of the whole vehicle system into module working voltage through a boosting module of the backboard; When the controller is electrically connected to the connector, the module interaction signal transmitted by the controller to the backboard comprises a power condition signal, and the module interaction signal transmitted by the backboard to the controller comprises a wake-up signal; Judging whether the controller is in a state of being inserted into the connector or not by monitoring the level of the power condition signal; Determining that the controller is inserted into the connector and electrically connected to the back plate in response to the power status signal being at a low level, the controller setting a wake-up signal transmitted to the function manager to be at a high level; and the function manager is powered on to operate after receiving a high-level wake-up signal.
  7. 7. The method according to claim 6, wherein the function manager includes a main function area module and a backup area module, and the backup area module is configured to take over execution of the operation of the main function area module after the main function area module fails, further comprising: The backboard monitors the current value output by the boosting module in real time, and when the current value output by the boosting module is larger than a first threshold value, the backboard sends a low-level energy-saving signal to the power logic control module; And when the controller monitors that the energy-saving signal is at a low level, the controller sends a closing signal to the backup area module so as to control the backup area module to be closed in a power-off mode.

Description

Plug-in controller power supply system and control method thereof Technical Field The application relates to the technical field of domain controllers, in particular to a plug-in controller power supply system and a control method thereof. Background Other systems of the in-vehicle apparatus are typically 12V powered and have no power management function. The 12V supply voltage causes too much current on the connector and requires higher demands on the connector. The pre-power supply is simply powered, there is no power management, and there is no interaction between the controllers. If the front-stage power supply has a problem or is excessively loaded, protection cannot be timely performed, and plug and play cannot be achieved. Disclosure of Invention Accordingly, it is necessary to provide a power supply system for a plug-in controller and a control method thereof, which can solve the problems of large input current or excessive load of a high-power controller and realize plug-and-play when a blade type controller is plugged into a rack. In one aspect, a pluggable controller power system is provided, the pluggable controller power system comprising a back plate, a connector, a function manager and a controller; the backboard is provided with a boosting module, so that the backboard converts the received power supply voltage of the whole vehicle system into a module working voltage through the boosting module; one end of the connector is electrically connected to the back plate, and the other end of the connector is electrically connected to the function manager and the controller, so that the module working voltage is transmitted to the function manager, and module interaction signals are transmitted between the back plate and the controller; the function manager is electrically connected to the connector to acquire the module working voltage; The controller is electrically connected to the connector and the function manager in a pluggable manner, when the controller is electrically connected to the connector, a module interaction signal transmitted by the controller to the backboard comprises a power condition signal, a module interaction signal transmitted by the backboard to the controller comprises a wake-up signal, when the controller is plugged into the connector and the backboard monitors that the power condition signal is low level, the controller sets the wake-up signal transmitted to the function manager to be high level, and the function manager is powered on to operate after receiving the high-level wake-up signal. Further, the voltage value of the module working voltage is determined by the boost module according to the power range of the function manager, and the voltage value of the module working voltage is larger than the voltage value of the power supply voltage of the whole vehicle system, so that the current value input into the function manager is reduced. Further, the function manager comprises a main function area module and a backup area module, wherein the backup area module is used for taking over the operation work of executing the main function area module after the main function area module fails. Further, the function manager includes a main function area module and a backup area module, the main function area module is used for executing an ADAS algorithm, the backup area module is used for backing up a part of functions of the ADAS, and the backup area module is specifically used for taking over to execute the ADAS algorithm after the main function area module fails. Further, the controller comprises a power logic control module, wherein the power logic control module is used for sending a power condition signal to the backboard and receiving and monitoring a wake-up signal sent by the backboard. Further, the backboard is further used for monitoring a current value output by the boosting module, when the current value output by the boosting module is larger than a first threshold value, the backboard sends a low-level energy-saving signal to the power logic control module, and when the power logic control module monitors that the energy-saving signal is at a low level, the power logic control module sends a closing signal to the backup area module to control the backup area module to be powered off and closed. Further, when the wake-up signal transmitted from the back plate to the controller is at a low level, the controller receives the wake-up signal at the low level and then turns off the power supply. Further, when the back plate monitors that the power condition signal is high, the controller sets the wake-up signal transmitted to the function manager as low, and the function manager receives the wake-up signal of low and then cuts off the power supply. The application also provides a control method of the plug-in controller power supply system, which comprises the following steps: Controlling the backboard to perform power-on operation, so that the backboard converts