CN-224225014-U - Automobile controller

CN224225014UCN 224225014 UCN224225014 UCN 224225014UCN-224225014-U

Abstract

The utility model relates to the technical field of automobile controllers, in particular to an automobile controller which comprises a multi-protocol self-adaptive communication module, a dynamic heat dissipation control module, a triple hardware redundancy module and a safe storage and upgrading module, wherein the multi-domain collaborative power management module is respectively and electrically connected with the multi-protocol self-adaptive communication module, the dynamic heat dissipation control module, the triple hardware redundancy module and the safe storage and upgrading module, and the multi-protocol self-adaptive communication module is electrically connected with the dynamic heat dissipation control module, the triple hardware redundancy module and the safe storage and upgrading module. The multi-domain cooperative power management module provided by the utility model can be automatically switched according to actual conditions by means of the bidirectional DC/DC controller, so that the circuit can be adapted to different types of automobile power systems, compatibility is enhanced, the intelligent anti-reverse protection circuit can monitor the input voltage direction in real time, damage to electronic elements in the circuit due to reverse connection of power is effectively prevented, and the safety of the circuit is improved.

Inventors

WANG LEYING
LV HAIYING

Assignees

天津宏铎科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250423

Claims (8)

1. An automotive controller, comprising: the system comprises a safe storage and upgrading module, a multi-protocol self-adaptive communication module, a dynamic heat dissipation control module, a triple hardware redundancy module and a safe storage and upgrading module; The multi-domain collaborative power management module is respectively and electrically connected with the multi-protocol self-adaptive communication module, the dynamic heat dissipation control module, the triple hardware redundancy module and the safe storage and upgrading module, and the multi-protocol self-adaptive communication module is electrically connected with the dynamic heat dissipation control module, the triple hardware redundancy module and the safe storage and upgrading module.
2. The automobile controller according to claim 1, wherein the multi-domain cooperative power management module comprises a bidirectional DC/DC controller, an intelligent anti-reverse protection circuit and a multi-rail voltage stabilizing circuit, wherein the input end of the bidirectional DC/DC controller is connected with an automobile double-battery power supply, the output end of the bidirectional DC/DC controller is connected with the multi-rail voltage stabilizing circuit through the intelligent anti-reverse protection circuit, and the multi-rail voltage stabilizing circuit outputs independent voltage stabilizing power supplies to the Feisha karl MCU and each functional module.
3. The automobile controller according to claim 1, wherein the multi-protocol adaptive communication module comprises a programmable logic device CPLD and a signal isolation circuit, the programmable logic device CPLD is respectively connected with an automobile CAN bus and an LIN bus through the signal isolation circuit, and the programmable logic device CPLD is electrically connected with the flit karl MCU and is used for realizing dynamic switching of CAN FD and LIN 2.2A protocols.
4. The automobile controller according to claim 1, wherein the dynamic heat dissipation control module comprises three paths of high-precision temperature sensors, an H-bridge driving chip and a heat dissipation fan, wherein the high-precision temperature sensors collect water inlet temperature, water outlet temperature and environmental temperature signals and transmit the water inlet temperature, water outlet temperature and environmental temperature signals to the Feishan Karl MCU, and the Feishan Karl MCU controls the PWM rotation speed of the fan through the H-bridge driving chip.
5. The automobile controller according to claim 1, wherein the triple hardware redundancy module comprises a double-MCU redundancy control circuit, a double-channel ADC sampling circuit and a double-power redundancy switching circuit, the double-channel ADC sampling circuit is used for independently collecting voltage, current and temperature signals, the double-MCU redundancy control circuit is used for realizing the fault switching of a main control MCU and an auxiliary control MCU through SPI communication, and the double-power redundancy switching circuit is used for realizing the seamless switching of a main power supply and a standby power supply through an ideal diode controller.
6. The vehicle controller of claim 1, wherein the secure storage and upgrade module comprises a secure chip and a secure boot circuit, the secure chip electrically connected to the femtocell MCU for AES-256 encryption of stored data and ECC digital signature verification of upgraded firmware.
7. The automobile controller according to claim 2, wherein the bidirectional DC/DC controller employs an ADI LT8708 chip, and the intelligent anti-reverse protection circuit comprises a reverse voltage detection chip and a MOSFET blocking device.
8. The vehicle controller of claim 5, wherein the master and slave MCUs in the dual MCU redundant control circuit are each a feichar MPC5643L.

Description

Automobile controller Technical Field The utility model relates to the technical field of automobile controllers, in particular to an automobile controller. Background The automobile controller is an electronic device for managing and controlling various systems and components of an automobile, and the automobile controller processes and analyzes signals from sensors and other input devices according to a preset program and algorithm, so that the accurate control of operations such as acceleration, braking, steering and the like of the automobile is realized, the safe and reliable running of the automobile is ensured, and the automobile controller plays an important role in the automobile industry. In the prior art, an automobile multifunctional controller circuit with the bulletin number of CN204998351U comprises a radio receiving decoding circuit, a central processing circuit, a power-off delay circuit, an automatic braking circuit, a delay alarm circuit, an alcohol test display circuit, a relay control circuit and a 5V voltage stabilizing circuit, wherein one output end of the radio receiving decoding circuit is connected with the input end of the central processing circuit, the other output end of the radio receiving decoding circuit is connected with the input end of the essence spray test display circuit, one output end of the central processing circuit is connected with the input end of the automatic braking circuit through the power-off delay circuit and is connected with the input end of the relay control circuit, the other output end of the central processing circuit is connected with the input end of the delay alarm circuit, and the output end of the alcohol test display circuit is connected with the input end of the central processing circuit. The utility model can prevent theft and robbery, and detect whether the alcohol concentration exceeds the standard. In comparison to the above application, the existing controller circuit still has the following problems: the traditional power supply circuit only supports single power domain control and cannot adapt to the requirements of multiple voltage platforms of new energy automobiles; The heat dissipation efficiency is low, and the static heat dissipation strategy can not dynamically adjust the fan power according to the real-time temperature, so that the overheat risk of the controller is caused. To sum up, we propose an automobile controller for this purpose. Disclosure of utility model The present utility model is directed to an automobile controller, which solves the above-mentioned problems. In order to achieve the above purpose, the present utility model provides the following technical solutions: An automotive controller comprising: The system comprises a multi-protocol self-adaptive communication module, a dynamic heat dissipation control module, a triple hardware redundancy module and a safe storage and upgrading module; The multi-domain collaborative power management module is electrically connected with the multi-protocol self-adaptive communication module, the dynamic heat dissipation control module, the triple hardware redundancy module and the safe storage and upgrading module respectively, and the multi-protocol self-adaptive communication module is electrically connected with the dynamic heat dissipation control module, the triple hardware redundancy module and the safe storage and upgrading module. Preferably, the multi-domain cooperative power management module comprises a bidirectional DC/DC controller, an intelligent anti-reverse protection circuit and a multi-rail voltage stabilizing circuit, wherein the input end of the bidirectional DC/DC controller is connected with an automobile double-battery power supply, the output end of the bidirectional DC/DC controller is connected with the multi-rail voltage stabilizing circuit through the intelligent anti-reverse protection circuit, and the multi-rail voltage stabilizing circuit outputs independent voltage stabilizing power supply to the Feishukar MCU and each functional module. Preferably, the multi-protocol self-adaptive communication module comprises a programmable logic device CPLD and a signal isolation circuit, wherein the programmable logic device CPLD is respectively connected with an automobile CAN bus and an LIN bus through the signal isolation circuit, and the programmable logic device CPLD is electrically connected with the Feishar Karl MCU and is used for realizing dynamic switching of CAN FD and LIN 2.2A protocols. Preferably, the dynamic heat dissipation control module comprises three paths of high-precision temperature sensors, an H-bridge driving chip and a heat dissipation fan, wherein the high-precision temperature sensors collect water inlet temperature, water outlet temperature and environmental temperature signals and transmit the water inlet temperature, water outlet temperature and environmental temperature signals to the Feishar Karl MCU, and the Feishar Kar