CN-121973572-A - Control method and device for vehicle towing hook, vehicle, storage medium and electronic device

CN121973572ACN 121973572 ACN121973572 ACN 121973572ACN-121973572-A

Abstract

The invention provides a control method and device of a vehicle towing hook, a vehicle, a storage medium and an electronic device, wherein the method comprises the steps of receiving a towing hook unfolding instruction triggered by a vehicle-to-vehicle interface of a towing vehicle through a vehicle body domain controller BDC, driving the towing hook to switch from a folded state to an unfolded state according to the towing hook unfolding instruction, displaying prompt information on the vehicle-to-vehicle interface, and controlling the towing vehicle to enter a towing mode, wherein the prompt information is used for representing that the towing vehicle has unfolded the towing hook, sending a synchronous instruction to a towed vehicle of the towing vehicle in the towing mode, wherein the synchronous instruction is used for synchronizing a lamp control signal of the towing vehicle to the towed vehicle, receiving a towing hook folding instruction triggered by the vehicle-to-vehicle interface of the towing vehicle through the BDC, and driving the towing hook to switch from the unfolded state to the folded state according to the towing hook folding instruction. Through this embodiment, the technical problem that the security of control vehicle towing pintle is low among the prior art has been solved.

Inventors

LI JUNKUI
JIAO ZHE

Assignees

重庆长安汽车股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260330

Claims (11)

1. A control method of a vehicle towing hook, characterized by comprising: receiving a towing hook unfolding instruction triggered by a vehicle-machine interface of a towing vehicle through a vehicle body domain controller BDC; Driving the towing hook to switch from a folded state to an unfolded state according to the towing hook unfolding instruction; displaying prompt information on the vehicle-to-machine interface and controlling the traction vehicle to enter a towing mode, wherein the prompt information is used for representing that the traction vehicle has unfolded the towing hook, and sending a synchronous instruction to a towed vehicle of the traction vehicle in the towing mode, wherein the synchronous instruction is used for synchronizing a lamp control signal of the traction vehicle to the towed vehicle; receiving a towing hook folding instruction triggered by a vehicle-to-machine interface of a towing vehicle through the BDC; and driving the towing hook to switch from an unfolding state to a folding state according to the towing hook folding instruction.
2. The method of claim 1, wherein driving the tow hook to switch from the collapsed state to the expanded state in accordance with the tow hook expansion instruction comprises: Responding to the towing hook unfolding instruction, and acquiring the vehicle state of the towing vehicle; And sending an unfolding instruction to a towing hook control unit of the towing vehicle according to the vehicle state, and controlling a driving executing mechanism of the towing hook control unit to drive the towing hook to switch from a folded state to an unfolded state.
3. The method of claim 2, wherein the vehicle state comprises a powered-on state and a real-time vehicle speed, and wherein transmitting an unwind command to a tow hook control unit of the towing vehicle based on the vehicle state comprises: and under the condition that the power-on state is that the whole vehicle is powered on and the real-time vehicle speed is smaller than a preset speed, sending an unfolding instruction to a towing hook control unit of the traction vehicle.
4. The method of claim 2, wherein controlling the drive actuator of the tow hook control unit to drive the tow hook from the collapsed state to the expanded state comprises: controlling a driving propulsion unit to start a rotation action, pulling out a locking pin from a base locking groove, and unlocking a rotating main shaft, wherein the driving execution mechanism comprises the driving propulsion unit and a driving motor, the driving propulsion unit is used for locking or unlocking the towing hook, and the driving motor is used for rotating the towing hook; controlling a driving motor to start rotating action, driving the rotating main shaft to start rotating through a driving gear disc, and simultaneously collecting the rotating step length of the towing hook in real time through a Hall sensor and collecting the motor real-time current of the driving motor, wherein the extending end of the rotating main shaft is the towing hook; The method comprises the steps of performing icing fault removal on the towing hook in a first operation period of the driving motor; After the freeze failure is relieved, performing anti-pinch failure relief on the towing hook in a second operation period of the driving motor, wherein the second operation period is the next period of the first operation period; after the anti-pinch failure is released, the driving executing mechanism is controlled to drive the towing hook to be unfolded to the target position.
5. The method of claim 4, wherein de-icing the tow hook during a first period of operation of the drive motor comprises: Continuously controlling the driving motor to drive the towing hook to rotate in a first operation period, and judging whether the number of the changes of the rotation step length in the preset unfolding time is smaller than a preset amount or not; if the number of the changes of the rotation step length in the preset unfolding time is smaller than a preset amount, determining that icing faults occur; and controlling the driving executing mechanism to drive the towing hook to rotate by adopting the highest power so as to relieve the icing fault.
6. The method of claim 4, wherein unclamping the tow hook during a second period of operation of the drive motor comprises: Continuously controlling the driving motor to drive the towing hook to rotate in a second operation period, and judging whether the real-time current of the motor exceeds a set threshold value; If the real-time current of the motor exceeds a set threshold value, determining that an anti-clamping fault occurs; and controlling the driving executing mechanism to drive the towing hook to reversely rotate by a preset angle so as to release the anti-clamping fault.
7. The method of claim 4, wherein controlling the drive actuator to drive the tow hook to deploy to a target position comprises: Controlling the driving propulsion unit to release the locking pin so that the locking pin automatically pops up under the pretightening force of the internal spring, and entering the next locking position; after the rotary main shaft enters the tail end area, controlling the full power output of the driving propulsion unit, and propelling the locking pin to enter a state to be locked; When the rotating main shaft rotates to be coincident with the base locking groove, the driving propulsion unit is controlled to propel the locking pin into the base locking groove, the towing hook is unfolded to a target position, and the locking action of the towing hook is completed.
8. A control device of a vehicle towing hook, characterized by comprising: The first receiving module is used for receiving a towing hook unfolding instruction triggered by a vehicle-machine interface of a towing vehicle through a vehicle body domain controller BDC; The expansion module is used for driving the towing hook to switch from a folding state to an expansion state according to the towing hook expansion instruction; the display module is used for displaying prompt information on the vehicle-to-machine interface and controlling the traction vehicle to enter a towing mode, wherein the prompt information is used for representing that the traction vehicle has unfolded the towing hook, and sending a synchronous instruction to a towed vehicle of the traction vehicle in the towing mode, and the synchronous instruction is used for synchronizing a lamp control signal of the traction vehicle to the towed vehicle; The second receiving module is used for receiving a towing hook folding instruction triggered by a vehicle-machine interface of the towing vehicle through the BDC; And the folding module is used for driving the towing hook to switch from an unfolding state to a folding state according to the towing hook folding instruction.
9. A vehicle is characterized by comprising an electric towing hook control unit and a towing hook, wherein, The electric tow hook control unit comprising the apparatus of claim 8; The towing hook comprises a driving motor, a driving gear disc, a rotating main shaft, a driving propulsion unit, a locking pin and a base locking groove, wherein the driving propulsion unit is used for driving the rotating main shaft to unlock from the base locking groove, and the driving motor is used for driving the rotating main shaft to rotate through the driving gear disc.
10. A storage medium having a computer program stored therein, wherein the computer program is arranged to perform the method of any of claims 1 to 7 when run.
11. An electronic device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to run the computer program to perform the method of any of claims 1 to 7.

Description

Control method and device for vehicle towing hook, vehicle, storage medium and electronic device Technical Field The invention relates to the technical field of vehicles, in particular to a control method and device for a vehicle towing hook, a vehicle, a storage medium and an electronic device. Background In the related art, a towing hook (towing hook) is used as an important vehicle-mounted accessory of a passenger car and used for operations of towing cargoes, other vehicles and the like by the vehicle, and along with diversification of application scenes of the towing hook, the control requirement on the towing hook is finer and finer by using individuation of clients. The control of current passenger car electric towing pintle is mostly extensive control, or user manual operation, can't form high-efficient mutual with the car machine, can't adapt to the intelligent cabin demand in novel market. The control method of the related art is relatively single, the feedback is incomplete, the operation system is not convenient, and various faults cannot be fed back in time. Only basic unfolding and folding operation is realized, the active safety fusion can not be realized, and the intelligent vehicle-machine interaction requirement can not be met. In view of the above problems in the related art, an efficient and accurate solution has not been found. Disclosure of Invention The invention provides a control method and device of a vehicle towing hook, a vehicle, a storage medium and an electronic device, and aims to solve the technical problems in the related art. According to one embodiment of the invention, a control method of a vehicle towing hook is provided, and the control method comprises the steps of receiving a towing hook unfolding instruction triggered by a vehicle-to-vehicle interface of a towing vehicle through a vehicle body domain controller BDC, driving the towing hook to switch from a folded state to an unfolded state according to the towing hook unfolding instruction, displaying prompt information on the vehicle-to-vehicle interface, and controlling the towing vehicle to enter a towing mode, wherein the prompt information is used for representing that the towing vehicle has unfolded the towing hook, and sending a synchronous instruction to a towed vehicle of the towing vehicle in the towing mode, wherein the synchronous instruction is used for synchronizing a lamp control signal of the towing vehicle to the towed vehicle, receiving a towing hook folding instruction triggered by the vehicle-to-vehicle interface of the towing vehicle through the BDC, and driving the towing hook to switch from the unfolded state to the folded state according to the towing hook folding instruction. Optionally, driving the towing hook to switch from the folded state to the unfolded state according to the towing hook unfolding instruction comprises responding to the towing hook unfolding instruction, obtaining the vehicle state of the towing vehicle, sending the unfolding instruction to a towing hook control unit of the towing vehicle according to the vehicle state, and controlling a driving executing mechanism of the towing hook control unit to drive the towing hook to switch from the folded state to the unfolded state. Optionally, the vehicle state comprises a power-on state and a real-time vehicle speed, and the sending of the unfolding instruction to the towing hook control unit of the towing vehicle according to the vehicle state comprises sending the unfolding instruction to the towing hook control unit of the towing vehicle if the power-on state of the towing vehicle is that the whole vehicle is powered on and the real-time vehicle speed is smaller than a preset speed under the condition that the power-on state of the whole vehicle is that the whole vehicle is powered on and the real-time vehicle speed is smaller than the preset speed. Optionally, the control of the driving executing mechanism of the towing hook control unit to drive the towing hook to switch from the folded state to the unfolded state comprises the steps of controlling a driving pushing unit to start rotating action, pulling a locking pin out of a base locking groove and unlocking a rotating main shaft, wherein the driving executing mechanism comprises the driving pushing unit and a driving motor, the driving pushing unit is used for locking or unlocking the towing hook, the driving motor is used for rotating the towing hook, controlling the driving motor to start rotating action, driving a rotating main shaft to start rotating through a driving gear disc, collecting the rotating step length of the towing hook in real time through a Hall sensor, collecting the motor real-time current of the driving motor, wherein the extending end of the rotating main shaft is the towing hook, conducting freeze failure release on the towing hook in a first operation period of the driving motor, conducting anti-clamping failure release on the towing hook in a