CN115354924A - Automatic opening and closing system for automobile door and control method thereof - Google Patents
Automatic opening and closing system for automobile door and control method thereof Download PDFInfo
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- CN115354924A CN115354924A CN202210817544.1A CN202210817544A CN115354924A CN 115354924 A CN115354924 A CN 115354924A CN 202210817544 A CN202210817544 A CN 202210817544A CN 115354924 A CN115354924 A CN 115354924A
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- Prior art keywords
- door
- vehicle
- controller
- vehicle door
- signal
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
- E05B81/06—Electrical using rotary motors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/01—Comfort closing, i.e. the locking action for a wing is combined with actuation of other vehicle functions, e.g. locking the doors and closing the windows simultaneously
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
- E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/90—Manual override in case of power failure
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
- E05Y2900/531—Doors
Abstract
The invention relates to an automatic opening and closing system of an automobile door and a control method thereof, wherein the automatic opening and closing system comprises an electric limiter, a door lock, an automobile body controller, an automobile door controller, a radar and a camera; the key signal and the signals collected by the camera and the radar can be sent to the vehicle body controller, the vehicle body controller is connected with the vehicle door controller, the signals are transmitted to the vehicle door controller, the vehicle door controller identifies and provides the signal instruction for the door lock, the electric limiter, the radar and the camera, the door lock can be unlocked and locked when the vehicle door is opened and closed, the motor of the electric limiter is driven according to the signal sending instruction, and the vehicle door is opened or closed. The automatic opening and closing device can realize automatic opening and closing of the vehicle door without external force, has the functions of preventing clamping and preventing collision, can identify barriers and pre-judge dynamic objects in the opening or closing process of the vehicle door, automatically stops, avoids collision, realizes the experience of safe and comfortable users using the vehicle, and also provides certain guarantee for the safety of passengers of the vehicle.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to an automatic opening and closing system of an automobile door and a control method thereof.
Background
Conventional vehicle doors include automatically rotating doors, automatically sliding doors, and automatic euro-wing (butterfly) doors, most of which require a driver to manually open and close the doors. At present, with the development of vehicle technology, the schemes of automatic opening and closing systems of automobile doors are gradually increased, the requirements on user experience of automobile passengers are higher and higher, and the requirements on comfortable riding of the users are also higher and higher.
The prior art discloses a method, a system and a device for controlling the closing speed of an automatic door of an automobile, wherein when the door is automatically closed, the closing state of a door, the closing state of window glass, the closing state of a skylight and the external circulation wind speed of an air conditioner are identified, so that the ventilation state of the whole automobile is judged, a corresponding speed value mode is configured, and the stable automatic door closing speed is ensured. When the door closing working condition needs to overcome larger system resistance, larger automatic door closing speed is configured, and the reliable realization of the door closing function is ensured; when the door is closed, the working condition of the door needs to overcome smaller system resistance, and the smaller automatic door closing speed is configured, so that the stability and low noise of the door closing process are ensured, and good use experience is provided.
The prior art also discloses an automatic door opening and closing system for an automobile, which comprises a power supply for supplying electric energy, a first controller, an angle sensor, a switch, two or more electromagnet assemblies, two or more amplifier modules and a magnetic assembly; the magnetic assembly is arranged at the position of the vehicle body corresponding to the position of the electromagnet assembly; the positive pole of the power supply is connected with the first input end of the first controller through the switch, the output end of the angle sensor is connected with the second input end of the first controller, different interfaces of the first output end of the first controller are respectively connected with the input ends of the amplifier modules, and the output ends of the amplifier modules are connected with the input ends of the corresponding electromagnet assemblies; the electromagnet provides power for automatically opening and closing the vehicle door, and different amplifier modules are adopted to respectively control different electromagnet assemblies, so that the vehicle door is uniformly stressed, and the vehicle door can be smoothly and stably opened and closed.
However, the automatic door opening and closing system cannot automatically open and close the door without external force, and has the anti-pinch and anti-collision functions, so that obstacles are identified, dynamic objects are predicted and the automatic stop is performed in the opening or closing process of the door, so as to avoid collision.
Disclosure of Invention
The invention aims to provide an automatic opening and closing system of an automobile door and a control method of the automatic opening and closing system of the automobile door, and aims to solve the problems that the automobile door can be automatically opened and closed without external force, and simultaneously has anti-clamping and anti-collision functions, and the automobile door can identify obstacles, pre-judge dynamic objects and automatically stop in the opening or closing process.
The purpose of the invention is realized by the following technical scheme:
an automatic opening and closing system for an automobile door comprises an electric limiter, a door lock, a door controller, an automobile body controller, a radar and a camera;
the key is connected with a vehicle body controller, and the radar, the inner handle and the outer handle are respectively connected with a vehicle door controller and driven by the vehicle door controller; the key signal and the signals collected by the camera and the radar can be sent to the vehicle body controller; the vehicle body controller is connected with the vehicle door controller and can transmit signals to the vehicle door controller, and the vehicle door controller identifies and provides signal instructions to the door lock, the electric limiter, the radar and the camera; when the vehicle door is controlled to be opened, current is transmitted to the door lock firstly, the door lock driving motor unlocks the lock cylinder, the door lock is bounced, a signal drives the electric limiter, and the electric limiter motor operates to rotate the vehicle door to be opened; when the control door is closed, the door controller drives the electric limiter to rotate, the door is moved to a close-close rotating state, and when the door is close to contact with the vehicle body, the lock cylinder is locked by the door lock driving motor.
Further, the electric limiter and the door lock are respectively arranged at the front end and the rear end of the vehicle door and are respectively connected with the vehicle door controller through a wire harness.
Further, the radar is arranged on the surface of the vehicle door and is connected with the vehicle door controller through a wire harness.
Furthermore, the electric door limiter assembly consists of a side wall bracket, a lead screw, a door bracket, a corrugated sheath, a welding nut, a lead screw sheath, a motor and a shell; the lead screw is in transmission connection with the motor through a gear, the front end of the lead screw is provided with a side wall bracket, the outer side of the lead screw is sleeved with a corrugated sheath, and the tail end of the lead screw is provided with a lead screw sheath; and a vehicle door bracket is arranged at the joint of the screw rod and the motor, and a welding nut is arranged on the vehicle door bracket.
Furthermore, the vehicle door controller is in control connection with the door lock motor and can drive the door lock motor to realize door lock control according to the collected door lock signal.
Furthermore, the automobile body controller can receive signals collected and sent by the camera, transmit the signals to the automobile door controller, recognize and send out instructions, and drive the motor of the electric limiter to act or stop.
Further, the vehicle body controller can receive an obstacle signal sent by the radar, transmit the signal to the vehicle door controller, recognize and send an action stop instruction to drive the motor to act or stop.
Furthermore, the car door controller can collect Hall signals of the driving motor, and the position memory of the car door is realized.
The electric and manual change-over switch is arranged in a traveling computer, and signals/current transmission is controlled by the controller in a key and touch screen mode so as to realize whether an electric mode is adopted or not, and a non-electric mode is a manual mode.
A control method of an automatic opening and closing system of an automobile door comprises the following steps:
A. the key signal, the mobile phone signal, the signal collected by the camera and the radar signal are sent to the automobile body controller;
B. the vehicle body controller receives the signal and sends the signal to the vehicle door controller, and the vehicle door controller identifies the information to confirm the opening/closing and action stopping instructions required to be sent;
C. after the relevant action is finished, the signal can be fed back to the vehicle body controller;
D. if obstacle interference occurs in the middle, the radar sends a signal, and the signal is identified by the vehicle body controller so as to take emergency measures.
Compared with the prior art, the invention has the beneficial effects that:
the automatic opening and closing system for the automobile door can realize automatic opening and closing without external force, has the functions of preventing clamping and preventing collision, can identify barriers and pre-judge dynamic objects in the opening or closing process of the automobile door, automatically stops, avoids collision, realizes the experience of safe and comfortable users using the automobile, and provides certain guarantee for the safety of passengers of the automobile; the automatic opening and closing system of the automobile door can be used for facilitating the getting on and off of children, old people and disabled people; meanwhile, the vehicle can identify the vehicle owner, the vehicle door is automatically opened when the vehicle owner approaches the vehicle to a certain distance, and the vehicle door is automatically closed after the vehicle owner gets on the vehicle; when the vehicle owner prepares to get off the vehicle, the vehicle door is automatically opened, but a barrier exists on the outer side of the vehicle door, and the vehicle door stops opening to avoid collision.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a vehicle door electric check assembly;
FIG. 2 shows the control principle of the electric door check stop assembly.
Detailed Description
The invention is further illustrated by the following examples:
the present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
The invention discloses an automatic opening and closing system of an automobile door, which comprises an electric limiter, a door lock, an automobile Body Controller (BCM), a Door Controller (DCM), a radar and a camera. The electric and manual change-over switch is arranged in a traveling crane computer, and signal/current transmission is controlled through a controller in a key and touch screen mode so as to realize whether an electric mode is adopted or not, and a non-electric mode is a manual mode.
The key is connected with a vehicle body controller, and the radar, the inner handle and the outer handle are respectively connected with a vehicle door controller and driven by the vehicle door controller; the key signal and the signals collected by the camera and the radar can be sent to the vehicle body controller; the vehicle body controller is connected with the vehicle door controller and can transmit signals to the vehicle door controller, and the vehicle door controller identifies and provides signal instructions to the door lock, the electric limiter, the radar and the camera; when the car door is controlled to be opened, current is transmitted to the door lock firstly, the door lock driving motor unlocks the lock cylinder, the door lock is bounced, a signal drives the electric limiter, and the electric limiter motor operates to rotate the door to be opened; when the control door is closed, the door controller drives the electric limiter to rotate, the door is moved to a close rotating state, and when the door is close to and contacts with the vehicle body, the lock cylinder is locked by the door lock driving motor.
The electric limiting stopper and the door lock are respectively arranged at the front end and the rear end of the vehicle door and are respectively connected with the vehicle door controller through wiring harnesses; the radar is arranged on the surface of the vehicle door and is connected with the vehicle door controller through a wire harness.
The electric door limiter assembly consists of a side wall bracket, a lead screw, a door bracket, a corrugated sheath, a welding nut, a lead screw sheath, a motor and a shell; the lead screw is in transmission connection with the motor through a gear, a side wall support is arranged at the front end of the lead screw, a corrugated sheath is sleeved outside the lead screw, and a lead screw sheath is arranged at the tail end of the lead screw; and a vehicle door bracket is arranged at the joint of the screw rod and the motor, and a welding nut is arranged on the vehicle door bracket.
The automobile body controller can receive a signal sent by a key, transmit the signal to the automobile door controller, recognize and send a control signal to the motor of the electric limiter, and drive the motor to act or stop. The door controller is in control connection with the door lock motor, can transmit signals to the door controller according to collected door lock signals, recognizes and sends out instructions, and drives the door lock motor to realize door lock control. The automobile body controller can receive signals collected and sent by the camera, transmit the signals to the automobile door controller, recognize and send out instructions, and drive the motor of the electric limiter to act or stop. The vehicle body controller can receive obstacle signals sent by the radar, transmit the signals to the vehicle door controller, recognize and send out action stop instructions to drive the motor to act or stop. The car door controller can collect Hall signals of the driving motor, and the car door position memory is realized.
Specifically, when the door is opened, the key presses the button that opens the door once, and wireless signal sends to automobile body controller, and automobile body controller transmits the instruction to automobile door controller, transmits the current to the lock earlier, and lock drive motor unlocks the lock core to with the locking lever and the cardboard bullet of lock body, open a gap with the door, signal drive electronic stopper, electronic stopper motor operation opens the door rotation.
When the door was closed, the key was pressed the button once, and radio signal sends to automobile body controller, and automobile body controller transmits the instruction to automobile door controller, and the electronic stopper of drive is rotatory, moves the door to the commentaries on classics attitude of closing closely, and when the door closes on the contact with the automobile body, two cardboard contacts of lock can automatic identification signal during the contact, and lock driving motor locks the lock core.
The invention discloses a control method of an automatic opening and closing system of an automobile door, which comprises the following steps:
A. the key signal, the mobile phone signal, the signal collected by the camera and the radar signal are sent to the automobile body controller;
B. the vehicle body controller receives the signal and sends the signal to the vehicle door controller, and the vehicle door controller identifies the information to confirm the opening/closing and action stopping instructions required to be sent;
C. after the relevant action is finished, the signal can be fed back to the vehicle body controller;
D. if obstacle interference occurs in the middle, the radar sends a signal, and the signal is identified by the vehicle body controller so as to take emergency measures.
The automatic opening and closing system for the automobile door can automatically identify the barrier and automatically stop moving in the process of automatically opening or closing the automobile door. The intelligent automobile door can be used as a data black box for recording the opening and closing times of the automobile door, the lifting times of the glass and the like; still have the memory function, record user's use habit, it is more convenient.
The automatic opening and closing system of the automobile door has an anti-pinch function, and can be retracted for a certain distance when the automobile door is closed and an object is pinched; the electric manual switching switch is arranged, so that the automatic/manual opening and closing function switching of the vehicle door can be realized; the anti-collision system has an anti-collision function, and when the radar detects an obstacle, the car door stops opening in advance; the door lock control system has a door lock function, and drives a door lock motor to realize door lock control by acquiring a door lock signal; and Hall signals of a driving motor can be collected, and the position memory of the car door is realized.
The electric limiter is matched with the logic control of the controller, and can realize the following functions:
1. the vehicle door is automatically opened and closed, the initial stroke is low in speed, the middle stroke is uniform in speed, and the tail end stroke is reduced in speed in the opening and closing process;
2. manually opening and closing the door in the electric power-assisted mode;
3. stepless limiting of the car door;
4. the door is opened vigorously for protection, and the door is closed vigorously for protection;
5. the vehicle door is prevented from being clamped;
6. non-contact collision avoidance;
7. maintaining a slope;
8. the door is opened and closed manually (in case of power failure).
The motor of the electric limiter needs the controller of the electric limiter to provide thermal protection through the control of the continuous door opening and closing times and the current magnitude.
The automatic opening of the vehicle door is divided into two parts of automatic opening outside the vehicle and automatic opening inside the vehicle.
The automatic opening mode outside the vehicle is as follows: carrying an intelligent key to close to open, pressing a remote key unlocking key to open, pressing a rear area of an outer handle to open and enabling a mobile phone to close to an NFC induction area to open; the automatic opening mode in the vehicle is divided into opening by pulling an inner handle, opening according to a screen control command in operation and opening according to a voice command.
The automatic closing mode outside the vehicle is divided into: carrying an intelligent key to close away from a vehicle, pressing a remote control key to lock the vehicle key to close, pushing the vehicle door to close towards the door closing direction, and closing the mobile phone close to the NFC induction area; the automatic closing mode of the interior of the vehicle is as follows: the inner handle is pulled to close, the inner handle is closed according to a screen closing command in operation, the inner handle is closed according to a voice command, and the inner handle is closed by stepping a brake.
The normal voltage of the process power supply is 9V-16V.
Specifically, the method comprises the following steps:
when the vehicle door is automatically opened, the external function control logic of the vehicle is as follows:
1. when the intelligent key is carried to be close to the driving door within 3m, the door is automatically opened at a certain angle (for example, 45 degrees, which can be set);
2. when the remote control key unlocking key is pressed, the vehicle door is automatically opened at a certain angle (for example, 45 degrees, and the angle can be set);
3. the door is automatically opened at a certain angle (for example, 45 degrees, which can be set) by pressing the rear area of the outer handle;
4. the mobile phone is close to the NFC sensing area, and the door is opened automatically by a certain angle (for example, 45 degrees, and the door can be set).
When the door is automatically opened, the internal function control logic of the vehicle is as follows:
1. the inner handle is pulled, and the vehicle door is automatically opened at a certain angle (for example, 45 degrees and can be set);
2. in the operation, a control screen opening command is given, and the car door is automatically opened at a certain angle (for example, 45 degrees and can be set);
3. voice commands, namely 'hello red flag, open the car door', and the car door automatically opens a certain angle (for example, 45 degrees, can be set);
4. when the vehicle speed reaches 30km/h (can be set), the vehicle door is automatically opened to function shielding.
The automatic opening of the vehicle door comprises the following scenes:
1. the speed of the initial stroke of the automatic opening of the vehicle door is gradually accelerated from zero, after the initial stroke is accelerated to a certain speed (which can be set), the vehicle door is opened at a constant speed, and the speed of the initial stroke is gradually reduced to zero at the tail end of the opening;
2. in the automatic opening process of the vehicle door, a radar arranged on the vehicle door can identify a barrier and give a prompt tone, the vehicle door stops opening, after the barrier (which can be set) in 1s is removed, the vehicle door continues to open, and when the barrier exceeds 1s, the vehicle door stops at the opening position, and when the vehicle door needs to be continuously opened, an opening command is input again or the vehicle door is opened manually;
3. in the automatic opening process of the vehicle door, when the vehicle door is pushed by hands in the opening direction or wind in the opening direction is generated, the opening speed is accelerated, and when the speed exceeds 1.6m/s (can be set), the anti-falling function is started;
4. in the automatic opening process of the vehicle door, when the vehicle door is pushed by hand in the door closing direction or wind in the door closing direction is generated, the opening speed is reduced, and when the resistance in the door closing direction is large, the vehicle door stops opening, and if the vehicle door needs to be opened again, an opening command needs to be input again or the vehicle door needs to be opened manually;
5. the opening speed and time of the car door are the same under the slope road (20% forward and backward inclination and 12% side inclination) and the flat road;
6. before the door is opened, if the rear of the vehicle is detected to come, an alarm is given, and the door stops opening.
When the vehicle door is automatically closed, the external function control logic of the vehicle is as follows:
1. when the intelligent key is carried to be far away from the driving door by 3m, the vehicle door is automatically closed;
2. when a remote control key is pressed to lock the car key, the car door is automatically closed;
3. pushing the car door to the door closing direction, and automatically closing the car door;
4. the cell-phone is close to NFC induction area, and the door self-closing.
When the vehicle door is automatically closed, the internal function control logic of the vehicle is as follows:
1. the inner handle is pulled, and the vehicle door is automatically closed.
2. Controlling a screen to close and ordering in operation, and automatically closing the car door;
3. voice command, "hello red flag, close door";
4. the brake is stepped on, the vehicle door is automatically closed, and the brake is stepped on again after the vehicle door is closed, so that a vehicle door closing instruction can not be sent again.
The automatic closing of the vehicle door comprises the following scenes:
1. the vehicle door is closed automatically in an initial stroke (capable of being calibrated), the speed is gradually accelerated from zero, after the vehicle door is accelerated to a certain speed (capable of being calibrated), the vehicle door is closed at a constant speed, and the vehicle door is gradually decelerated to zero in a closed tail end stroke (capable of being calibrated);
2. in the automatic closing process of the vehicle door, when the vehicle door meets an obstacle, the vehicle door can be prevented from being clamped through current, the clamping preventing force is smaller than 100N (can be calibrated), and the vehicle door can retreat for a certain distance (can be calibrated) after the clamping preventing is triggered;
3. in the automatic closing process of the vehicle door, when the vehicle door is pushed by hands in the closing direction or wind in the closing direction is generated, the closing speed is accelerated, and when the speed exceeds 1.6m/s, the anti-falling function is started;
4. in the automatic closing process of the vehicle door, when the vehicle door is pushed by hands in the door opening direction or wind in the door opening direction is generated, the closing speed is reduced, when the resistance in the door opening direction is large, the anti-pinch is started, the vehicle door stops closing and retreats for a certain distance, and if the vehicle door needs to be closed again, a closing command needs to be input again or the vehicle door needs to be closed manually;
5. the closing speed and time of the door under the slope road (20% forward and backward inclination and 12% side inclination) and the flat road are the same.
The opening and closing of the vehicle door also comprises other scenes:
1. door closing protection and door opening protection are carried out vigorously:
under any opening position and stopping state of the vehicle door, if a large load in the door closing or opening direction is suddenly applied to the vehicle door, the automatic opening and closing system controller immediately drives the electric limiting stopper to rotate reversely to provide a reverse force, so that the vehicle door is decelerated, and the situation of forcefully closing or opening the door is ensured not to occur;
2. electric power-assisted mode:
in the manual door opening and closing process, the controller of the automatic door opening and closing system drives the electric limiter to provide certain door opening and closing assistance, so that the door opening and closing force is the same under the flat road and the sloping road, and the door opening and closing force is temporarily 20N (which can be calibrated)
3. When the vehicle door is opened or closed, a reverse motion instruction is input, the current motion is stopped, and a newly input motion instruction is executed
4. Stepless limiting:
the vehicle door can hover at any angle, and the motion holding force of the vehicle door needs to be calibrated again;
5. manual operation (power off case):
when the whole vehicle is powered off and the vehicle is in a horizontal state, the door is pulled to be opened to a full-open position or pushed to a position close to a half-lock position from the full-open position at the outer handle, and the operating force is less than or equal to 50N;
6. when the door is in an open state (not a maximum opening position), the door is pushed in a door opening or closing direction, and the door is opened to the maximum position or closed.
It is to be noted that the foregoing description is only exemplary of the invention and that the principles of the technology may be employed. Those skilled in the art will appreciate that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements and substitutions will now be apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. An automatic opening and closing system of an automobile door is characterized in that: the device comprises an electric limiter, a door lock, a vehicle door controller, a vehicle body controller, a radar and a camera;
the key is connected with a vehicle body controller, and the radar, the inner handle and the outer handle are respectively connected with a vehicle door controller and driven by the vehicle door controller; the key signal and the signals collected by the camera and the radar can be sent to the vehicle body controller; the vehicle body controller is connected with the vehicle door controller and can transmit signals to the vehicle door controller, and the vehicle door controller identifies and provides signal instructions to the door lock, the electric limiter, the radar and the camera; when the vehicle door is controlled to be opened, current is transmitted to the door lock, the lock core is unlocked by the door lock driving motor, the door lock is bounced, the electric limiter is driven by a signal, and the motor of the electric limiter runs to rotate and open the vehicle door; when the control door is closed, the door controller drives the electric limiter to rotate, the door is moved to a close rotating state, and when the door is close to and contacts with the vehicle body, the lock cylinder is locked by the door lock driving motor.
2. The automatic opening and closing system of the vehicle door according to claim 1, characterized in that: the electric limiting stopper and the door lock are respectively arranged at the front end and the rear end of the vehicle door and are respectively connected with the vehicle door controller through wiring harnesses.
3. The automatic opening and closing system for the vehicle door according to claim 1, wherein: the radar is arranged on the surface of the vehicle door and is connected with the vehicle door controller through a wire harness.
4. The automatic opening and closing system of the vehicle door according to claim 1, characterized in that: the electric door limiter assembly consists of a side wall bracket, a screw rod, a door bracket, a corrugated sheath, a welding nut, a screw rod sheath, a motor and a shell; the lead screw is in transmission connection with the motor through a gear, a side wall support is arranged at the front end of the lead screw, a corrugated sheath is sleeved outside the lead screw, and a lead screw sheath is arranged at the tail end of the lead screw; and a vehicle door bracket is arranged at the joint of the screw rod and the motor, and a welding nut is arranged on the vehicle door bracket.
5. The automatic opening and closing system for the vehicle door according to claim 1, wherein: the vehicle door controller is in control connection with the door lock motor and can drive the door lock motor to realize door lock control according to the collected door lock signal.
6. The automatic opening and closing system of the vehicle door according to claim 1, characterized in that: the automobile body controller can receive signals collected and sent by the camera, transmit the signals to the automobile door controller, recognize and send out instructions, and drive the motor of the electric limiter to act or stop.
7. The automatic opening and closing system of the vehicle door according to claim 1, characterized in that: the vehicle body controller can receive an obstacle signal sent by the radar, transmit the signal to the vehicle door controller, recognize and send an action stop instruction to drive the motor to act or stop.
8. The automatic opening and closing system of the vehicle door according to claim 1, characterized in that: the car door controller can collect Hall signals of the driving motor, and the car door position memory is realized.
9. The automatic opening and closing system for the vehicle door according to claim 1, wherein: the electric and manual change-over switch is arranged in a traveling crane computer, and signal/current transmission is controlled through a controller in a key and touch screen mode so as to realize whether an electric mode is adopted or not, and a non-electric mode is a manual mode.
10. A control method of an automatic opening and closing system of an automobile door is characterized by comprising the following steps:
A. the key signal, the mobile phone signal, the signal collected by the camera and the radar signal are sent to the automobile body controller;
B. the vehicle body controller receives the signal and sends the signal to the vehicle door controller, and the vehicle door controller identifies the information to confirm the opening/closing and action stopping instructions required to be sent;
C. after the relevant action is finished, the signal can be fed back to the vehicle body controller;
D. if obstacle interference occurs in the middle, the radar sends a signal, and the signal is identified by the vehicle body controller so as to take emergency measures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210817544.1A CN115354924A (en) | 2022-07-12 | 2022-07-12 | Automatic opening and closing system for automobile door and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210817544.1A CN115354924A (en) | 2022-07-12 | 2022-07-12 | Automatic opening and closing system for automobile door and control method thereof |
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| CN115354924A true CN115354924A (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210817544.1A Pending CN115354924A (en) | 2022-07-12 | 2022-07-12 | Automatic opening and closing system for automobile door and control method thereof |
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