CN210577735U - Automatic drive controller time delay outage system - Google Patents
Automatic drive controller time delay outage system Download PDFInfo
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- CN210577735U CN210577735U CN201921375121.9U CN201921375121U CN210577735U CN 210577735 U CN210577735 U CN 210577735U CN 201921375121 U CN201921375121 U CN 201921375121U CN 210577735 U CN210577735 U CN 210577735U
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Abstract
The utility model discloses an automatic drive controller time delay outage system, this system pass through time relay's time delay control, when the vehicle closes the key switch outage, can continue for unmanned controller power supply a period, guarantee that unmanned controller can accomplish application and operating system's normal closing, solve unmanned system software collapse, the hardware life reduction scheduling problem that direct outage probably leads to. The method has strong reliability and practicability.
Description
Technical Field
The utility model relates to a high practicality automatic driving controller time delay outage system belongs to unmanned vehicle electrical control and automotive electronics technical field.
Background
The traditional automobile microcontroller is controlled by a single chip microcomputer, and can be directly powered off and stop working when a vehicle stops working. However, for the unmanned vehicle, due to the complex software and hardware structure of the unmanned control system, the software and hardware safety of the system can be damaged by adopting the traditional instantaneous power-off mode, and the problems of software breakdown, hardware service life shortening and the like are easily caused by adopting the instantaneous power-off mode for a long time. Therefore, for the unmanned controller, after a power-off command is issued, a certain shutdown time is required to ensure that the unmanned controller completes the safe shutdown of application software, an operating system and the like, and the normal work of a future system is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high practicality's automatic driving controller time delay outage system, through the time delay control to the system outage, realize unmanned driving controller's safety shutdown and outage.
In order to achieve the above object, the utility model adopts the following technical scheme:
a delayed power-off system of an automatic driving controller comprises an original vehicle power supply, an automatic driving system power supply, the automatic driving controller, a key switch and a bottom layer controller,
wherein the automatic driving system power supply is connected with the automatic driving controller and the bottom controller to supply power to the automatic driving controller and the bottom controller, the original vehicle power supply is connected with the signal input end of the bottom controller through a key switch to complete the signal input to the bottom controller,
it is characterized by also comprising a safety, a time delay relay and a gateway,
wherein the power supply of the automatic driving system is connected with the automatic driving controller through a safety relay and a time delay relay to complete the power supply of the automatic driving controller,
the key switch is connected with the signal input end of the delay relay to complete the control of the on-off of the relay,
the signal output end of the bottom controller is connected with the gateway, the gateway is connected with the signal input end of the automatic driving controller, and the gateway converts the power-off signal sent by the bottom controller and sends the power-off signal to the automatic driving controller.
The automatic driving controller time-delay power-off system is characterized in that the automatic driving controller is one or more of an industrial personal computer, a GPU, an FPGA and an ASIC.
The delayed power-off system of the automatic driving controller is characterized in that the bottom layer controller is an in-vehicle microcontroller with a CAN network communication protocol.
The automatic driving controller delayed power-off system is characterized in that the gateway is provided with part or all of a CAN network, an Ethernet, a serial port, a LIN bus and a FlexRay bus interface.
Drawings
FIG. 1 is a schematic diagram of a delayed power-off system of an automatic driving controller
FIG. 2 is a flow chart of the operation of the power-off delay system of the automatic driving controller
Detailed Description
The following describes the automatic driving controller delayed power-off system in detail with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a delayed power-off system of an automatic driving controller, and a power supply 1 of the automatic driving system is used for supplying power to the automatic driving controller and an underlying controller. The fuse 2 is used to protect the automatic driving controller. The delay relay 3 is a time relay with functions of instantaneous power-on and delayed power-off, has adjustable delay time and is used for controlling the on-off and the delay of a power supply circuit of the automatic driving controller. The automatic driving controller 4 is used for controlling an automatic driving system, and can be one or more of an industrial personal computer, a GPU, an FPGA and an ASIC. The key switch 5 is used for controlling the on/off of the power supply circuit of the original vehicle. The bottom controller 6 is used for controlling the bottom of the vehicle and sending a power-off instruction to the automatic driving controller. The gateway 7 is used for communication conversion between the underlying controller and the automatic driving controller.
Fig. 2 is a flow chart of the operation of the delayed power-off system of the automatic driving controller. The control method of the delayed power-off system of the automatic driving controller is explained below.
The method specifically comprises the following steps:
a. the key switch is turned off: the key switch is turned off, the original vehicle power supply is disconnected with the bottom layer controller and the time delay relay,
b. the bottom controller sends out a power-off command: the bottom controller sends a power-off command to the gateway after receiving the closing signal of the switch key,
c. the delay relay receives the signal and starts to delay: after receiving the power-off signal of the key switch, the time delay relay enters a time delay relay stage based on the signal, the time delay is the preset time of the relay,
d. the gateway performs signal conversion and sends: after receiving the power-off signal sent by the bottom controller, the gateway converts the signal into a readable signal of the automatic driving controller and sends the readable signal to the automatic driving controller,
e. the automatic driving controller receives signals and shuts down: the automatic driving controller is controlled by the time delay relay to keep an electric working state, and is shut down through a normal shutdown program after receiving a power-off signal sent by the gateway,
f. and (4) ending the time delay of the time delay relay: the delay relay completes the delay according to the preset time, the relay is disconnected,
g. powering off an automatic driving system: after the relay is disconnected, the connection between the automatic driving power supply and the automatic driving controller is cut off, and the automatic driving system finishes power failure.
Claims (4)
1. A delayed power-off system of an automatic driving controller comprises an original vehicle power supply, an automatic driving system power supply, the automatic driving controller, a key switch and a bottom layer controller,
wherein the automatic driving system power supply is connected with the automatic driving controller and the bottom controller to supply power to the automatic driving controller and the bottom controller, the original vehicle power supply is connected with the signal input end of the bottom controller through a key switch to complete the signal input to the bottom controller,
it is characterized by also comprising a safety relay, a time delay relay and a gateway,
wherein the power supply of the automatic driving system is connected with the automatic driving controller through a safety relay and a time delay relay to complete the power supply of the automatic driving controller,
the key switch is connected with the signal input end of the delay relay to complete the control of the on-off of the relay,
the signal output end of the bottom controller is connected with the gateway, the gateway is connected with the signal input end of the automatic driving controller, and the gateway converts the power-off signal sent by the bottom controller and sends the power-off signal to the automatic driving controller.
2. The system of claim 1, wherein the autopilot controller is one or more of an industrial personal computer, a GPU, an FPGA, and an ASIC.
3. The system as claimed in claim 1, wherein the underlying controller is an in-vehicle microcontroller having a CAN network communication protocol.
4. The system of claim 1, wherein the gateway comprises part or all of a CAN network, an Ethernet, a serial port, a LIN bus, and a FlexRay bus interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921375121.9U CN210577735U (en) | 2019-08-22 | 2019-08-22 | Automatic drive controller time delay outage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921375121.9U CN210577735U (en) | 2019-08-22 | 2019-08-22 | Automatic drive controller time delay outage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210577735U true CN210577735U (en) | 2020-05-19 |
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ID=70645536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921375121.9U Active CN210577735U (en) | 2019-08-22 | 2019-08-22 | Automatic drive controller time delay outage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210577735U (en) |
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2019
- 2019-08-22 CN CN201921375121.9U patent/CN210577735U/en active Active
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Address after: Room 1110-b, 11 / F, building 5, 2266 Taiyang Road, high speed rail new town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Qingzhi automobile technology (Suzhou) Co.,Ltd. Address before: No.15-306, Hongcheng Road, Huaming hi tech Industrial Zone, Dongli District, Tianjin Patentee before: TIANJIN TSINTEL TECHNOLOGY Co.,Ltd. |