CN112644424A - Delayed closing control method and device for electric back door - Google Patents
Delayed closing control method and device for electric back door Download PDFInfo
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- CN112644424A CN112644424A CN202011631905.0A CN202011631905A CN112644424A CN 112644424 A CN112644424 A CN 112644424A CN 202011631905 A CN202011631905 A CN 202011631905A CN 112644424 A CN112644424 A CN 112644424A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/105—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles for motor cars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides a method and a device for controlling delayed closing of an electric back door, which realize the function of delayed closing of the back door of a vehicle and improve the convenience of customer operation through the interaction of a PEPS and a POT. In the process of closing the back door of the vehicle in a delayed manner, the invention repeatedly confirms the states of the enable key and the key, and carries out anti-pinch and anti-false lock judgment on scenes of customer return and the key in the vehicle, which possibly occur in the delayed closing process of the back door, thereby avoiding accidents and ensuring the safety of customers. The invention has fixed searching mode of triggering key, and has no problem of increasing dark current. The invention only changes software logic, for example, the triggering mode is double-click of the existing back door closing switch, thereby reducing the improvement cost of the device.
Description
Technical Field
The invention belongs to the technical field of automobile electronic control, and particularly relates to a delayed closing control method and a delayed closing control device for an electric back door.
Background
More and more SUV motorcycle types and high-end car of part begin to dispose electronic back door system, as the upgrading of traditional machinery back door, have promoted user's convenience, have improved the science and technology of vehicle and have felt, and present electronic back door can open through modes such as multiple switch, and remote controller and close the back door.
The goods that need to put in the trunk general condition, either piece is big, or the piece is many, when carrying luggage from the trunk and can't vacate the hand operation again, after taking big article or more article, the article in the traditional approach need put down in the handle, operate the electric tail gate, carry again, if can be inconvenient when rainy day or road surface condition do not allow and put down the article. The user now needs a control method that can delay the automatic closing of the back door.
There are many vehicles on the market that have a functional configuration of a motorized back door, but there is basically no method of delaying the closing of the back door. Referring to fig. 1, in the conventional opening method of the electric tailgate of the vehicle, the electric tailgate is opened in an induction manner by positioning a key position, so that a kicking scheme is replaced, both hands of a user are liberated, and the electric tailgate is more convenient to use; when the system works, a user needs to go backwards one step after the user is close to a vehicle and triggers the induction opening function (the backward movement can play a role in preventing misoperation), so that the back door can be opened. However, the method mainly considers opening the backdoor, mainly replaces the kicking opening backdoor function, and does not relate to closing the backdoor in a time-delay way; the invention has the problems of complex operation, need to go back after getting close to the back door and then go forward to the trunk to take articles, and the scheme is relatively complex and inconvenient in actual operation for improving the operation convenience. The invention needs to search the key in real time, which causes the increase of the dark current of the vehicle and influences the service life of the battery and the key of the whole vehicle.
Similar solutions also employ a double-click switch to automatically close the tailgate after a fixed time. The scheme can solve similar problems, but the problems that the person reaches automatic closing in the time near the backdoor and the backdoor collides with the person exist.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a delay closing control method and a delay closing control device for an electric back door are provided, and are used for closing the back door of a vehicle in a delay way.
The technical scheme adopted by the invention for solving the technical problems is as follows: a delayed closing control method for an electric back door comprises the following steps:
s1: a person with a key double clicks a switch at the back door outside the back door of the vehicle;
s2: after the POT detects a signal that the switch is double-clicked, a back door delay closing enabling signal is sent to the PEPS;
s3: the PEPS locates the key in the time of T1 and sends a signal whether the key is in the back door effective area to the POT periodically, if the key is not in the back door effective area, the POT exits the back door delayed closing function; if the key is in the back door effective area, the POT enables the back door delayed closing function, and continuously sends an enabling effective signal to the PEPS;
s4: the PEPS detects whether the key is in the back door effective area in real time within the time T2, and if yes, the step S5 is executed; if not, the PEPS updates the key position information and sends the key position information to the POT, and the step S6 is executed;
s5: delaying and judging whether the delay time is finished or not, if not, waiting for the delay time to be finished, and repeatedly executing the step until the delay time is finished; if yes, the POT exits the back door delayed closing function;
s6: the POT drive executes closing of the back door, and detects that the POT stops closing the back door if receiving a trigger signal in the closing process, and quits the back door delay closing function;
s7: and the POT sends a whole vehicle locking request to the BCM, and the BCM locks the whole vehicle according to the whole vehicle condition.
In the above scheme, in the step S2, the double click is an operation of detecting that the switch is pressed 2 times within X milliseconds.
According to the scheme, in the step S3, the PEPS positioning key comprises the following specific steps: the PEPS transmits an LF signal to the key; after receiving the LF signal, the key sends an RF signal to the PEPS; the PEPS interprets the received RF signal, determines and searches for position information of the updated key in real time, and periodically transmits a signal whether the key is in the back door active area to the POT.
According to the scheme, in the step S3, the enabling of the back door delayed closing function includes closing the back door, lighting an LED of a back door closing switch, and starting an internal timer to time.
According to the above scheme, in step S5, when the waiting delay time is over, if any POT on/off mode is triggered, the POT off delay off function is performed.
According to the scheme, in the step S6, the specific steps are as follows: the POT drives the LED of the back door closing switch to flicker, the back door is prompted to close, and after the LED is turned off, the POT drives the stay bar motor and the stay bar to close the back door; if a trigger signal is detected in the process of closing the back door, the POT stops driving the back door to close, reversely drives the back door to rebound for a certain angle alpha, and drives the buzzer to sound for reminding for a long time.
According to the scheme, in the step S6, the trigger signal includes a switch trigger signal, a voice trigger signal, a key signal in the back door active area, and a remote signal.
According to the scheme, in the step S7, the specific steps are as follows: if the locking condition of the whole vehicle is met, the BCM drives the whole vehicle to be locked; the PEPS detects whether a key is in the vehicle or not after receiving a locking command of the BCM, and if the key falls in the vehicle, the PEPS triggers an anti-false-locking function to drive a vehicle-mounted horn to sound a prompt.
A delay closing control device for an electric back door comprises a POT, a PEPS and a BCM which are hung on a bus, and also comprises a key and a switch; the key is wirelessly connected with the PEPS; the switch is arranged at the back door of the vehicle and is connected with the POT through a hard wire; the POT comprises a switch detection module, a stay bar driving module, a back door lock driving module, an LED and a buzzer; the switch detection module is an input module and is used for receiving a back door delay closing signal sent by a switch; the strut driving module is used for driving the strut motor and the strut to close the back door; the back door lock driving detection module is used for driving the locking device to lock the back door and detecting whether the state of the back door lock is locked or not; the LED and the buzzer are respectively used for giving out sound and light reminding in the delayed closing process; the PEPS comprises a low-frequency driving module and a radio frequency receiving module, the key comprises a low-frequency receiving module and a radio frequency driving module, and the PEPS and the key are used for jointly completing enabling, triggering and quitting functions of a back door delayed closing function; the BCM is used for executing the locking function of the whole vehicle.
Further, the device also comprises an antenna, a back door lock, a locking device, a stay bar motor and a stay bar; the antenna is connected in series with a signal path of the PEPS and the key and is used for enhancing the signal intensity between the PEPS and the key; the controlled ends of the back door lock and the locking device are connected with the control end of the back door lock driving detection module; the stay bar motor and the controlled end of the stay bar are connected with the control end of the stay bar driving module.
The invention has the beneficial effects that:
1. according to the control method and the control device for delayed closing of the electric back door, the function of delayed closing of the back door of the vehicle is realized through interaction of the PEPS and the POT, and the convenience of operation of a client is improved.
2. In the process of closing the back door of the vehicle in a delayed manner, the invention repeatedly confirms the states of the enable key and the key, and carries out anti-pinch and anti-false lock judgment on scenes of customer return and the key in the vehicle, which possibly occur in the delayed closing process of the back door, thereby avoiding accidents and ensuring the safety of customers.
3. The invention has fixed searching mode of triggering key, and has no problem of increasing dark current.
4. The invention only changes software logic, for example, the triggering mode is double-click of the existing back door closing switch, thereby reducing the improvement cost of the device.
Drawings
Fig. 1 is a functional block diagram of the prior art.
Fig. 2 is a functional block diagram of an embodiment of the present invention.
FIG. 3 is a timing diagram of an embodiment of the present invention.
Fig. 4 is a flow chart of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2, an embodiment of the present invention includes a smart entry controller PEPS, a body controller BCM, an electric back door controller pot (power Operating door), a key, and a corresponding actuator; the BCM and PEPS functions may be integrated in the IBCM or domain controller.
The POT comprises switch detection, stay bar driving, back door lock driving, LED driving and a buzzer;
the switch detection module is an input module for delaying closing action;
the stay bar driving module is used for executing closing action;
the LED driving module and the buzzer module are used for performing acousto-optic reminding on the delayed closing process;
the PEPS and the key are used to jointly construct enable, trigger, and exit conditions for the delayed close function.
The BCM module is used for locking the whole vehicle to be locked and executing the function of delaying closing.
The timing sequence of the normal working mode of the POT delayed closing is shown in fig. 3, the flow chart is shown in fig. 4, and the method for controlling the delayed closing of the electric back door comprises the following steps:
s1: a person with a key stands outside the back door to double-click the back door micro switch;
s2: the POT controller receives a signal that a back door micro switch is double-clicked (namely that the switch is pressed for 2 times in Xms, the single switch is detected to be edge triggering, jump is detected) through a hard wire, and sends a delay closing enabling signal to the PEPS;
s3: the PEPS controller drives a back door antenna to transmit LF signals to the key, the key LF receiving chip receives the LF signals and then transmits RF signals to the PEPS, the PEPS determines position information of the key after decoding according to the received RF signals, the PEPS searches and updates the position information of the key outside the back door in real time, and whether the key is periodically transmitted to the POT controller in a back door effective area (which can be calibrated, Ym) or not is judged;
s4: after the POT controller receives that the back door outer key sent by the PEPS is valid within the set time T1, the POT controller activates the back door to delay closing enable, drives the back door closing switch LED to light up, starts an internal timer and continuously sends an enabling valid signal to the PEPS; if the POT controller does not receive a back outside door key valid signal sent by the PEPS within the set time T1, the POT controller exits the delayed closing function;
s5: in a timing time T2, if a person leaves the back door antenna sensing area with a key and is detected by the PEPS, the PEPS updates the key position information to the POT;
s6: when the POT receives that the key of the PEPS is not in the effective area of the back door, the POT prompts that the back door is about to be closed, the LED of the driving switch flickers, and the LED is turned off and then drives actuators such as a support rod and the like to close the back door; when the LED starts to flash, and before the back door is closed, if the POT receives any POT trigger signal (including a back door closing signal of a switch, a voice switch, a key switch, a remote switch and the like), the delayed closing function is exited;
s7: after the back door is closed, the POT also sends a whole vehicle locking request to the BCM; if the POT detects that the key returns to the backdoor sensing area in the process of closing the backdoor, the POT stops driving the backdoor, reversely drives the backdoor to rebound for a certain angle alpha, and drives the buzzer to sound for reminding for a long time;
s8: and after receiving the closing request of the POT, the BCM judges whether the whole vehicle can be closed or not according to the whole closing condition. If the locking condition is met, the BCM drives the whole vehicle to be locked, the PEPS detects keys in the vehicle after receiving the BCM locking state, and if the keys fall in the vehicle, the PEPS can trigger the anti-false lock and the horn makes a sound.
The above embodiments are only used for illustrating the design idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes and modifications made in accordance with the principles and concepts disclosed herein are intended to be included within the scope of the present invention.
Claims (10)
1. A delay closing control method for an electric back door is characterized by comprising the following steps: the method comprises the following steps:
s1: a person with a key double clicks a switch at the back door outside the back door of the vehicle;
s2: after the POT detects a signal that the switch is double-clicked, a back door delay closing enabling signal is sent to the PEPS;
s3: the PEPS locates the key in the time of T1 and sends a signal whether the key is in the back door effective area to the POT periodically, if the key is not in the back door effective area, the POT exits the back door delayed closing function; if the key is in the back door effective area, the POT enables the back door delayed closing function, and continuously sends an enabling effective signal to the PEPS;
s4: the PEPS detects whether the key is in the back door effective area in real time within the time T2, and if yes, the step S5 is executed; if not, the PEPS updates the key position information and sends the key position information to the POT, and the step S6 is executed;
s5: delaying and judging whether the delay time is finished or not, if not, waiting for the delay time to be finished, and repeatedly executing the step until the delay time is finished; if yes, the POT exits the back door delayed closing function;
s6: the POT drive executes closing of the back door, and detects that the POT stops closing the back door if receiving a trigger signal in the closing process, and quits the back door delay closing function;
s7: and the POT sends a whole vehicle locking request to the BCM, and the BCM locks the whole vehicle according to the whole vehicle condition.
2. The delayed closing control method of the electric back door as claimed in claim 1, wherein: in step S2, the double click is an operation of detecting that the switch is pressed 2 times within X milliseconds.
3. The delayed closing control method of the electric back door as claimed in claim 1, wherein: in the step S3, the specific steps of the PEPS positioning the key are as follows: the PEPS transmits an LF signal to the key; after receiving the LF signal, the key sends an RF signal to the PEPS; the PEPS interprets the received RF signal, determines and searches for position information of the updated key in real time, and periodically transmits a signal whether the key is in the back door active area to the POT.
4. The delayed closing control method of the electric back door as claimed in claim 1, wherein: in step S3, the enabling of the back door delayed closing function includes closing the back door, lighting an LED of the back door closing switch, and starting an internal timer to time.
5. The delayed closing control method of the electric back door as claimed in claim 1, wherein: in step S5, in the process of waiting for the end of the delay time, if any POT open/close mode is triggered, the POT closes the delay close function.
6. The delayed closing control method of the electric back door as claimed in claim 1, wherein: in the step S6, the specific steps are as follows: the POT drives the LED of the back door closing switch to flicker, the back door is prompted to close, and after the LED is turned off, the POT drives the stay bar motor and the stay bar to close the back door; if a trigger signal is detected in the process of closing the back door, the POT stops driving the back door to close, reversely drives the back door to rebound for a certain angle alpha, and drives the buzzer to sound for reminding for a long time.
7. The delayed closing control method of the electric back door as claimed in claim 1, wherein: in step S6, the triggering signal includes a switch triggering signal, a voice triggering signal, a key signal in the back door active area, and a remote signal.
8. The delayed closing control method of the electric back door as claimed in claim 1, wherein: in the step S7, the specific steps are as follows: if the locking condition of the whole vehicle is met, the BCM drives the whole vehicle to be locked; the PEPS detects whether a key is in the vehicle or not after receiving a locking command of the BCM, and if the key falls in the vehicle, the PEPS triggers an anti-false-locking function to drive a vehicle-mounted horn to sound a prompt.
9. The device for controlling the delayed closing of an electric back door according to any one of claims 1 to 8, characterized in that: the system comprises a POT, a PEPS and a BCM which are hung on a bus, and also comprises a key and a switch; the key is wirelessly connected with the PEPS; the switch is arranged at the back door of the vehicle and is connected with the POT through a hard wire;
the POT comprises a switch detection module, a stay bar driving module, a back door lock driving module, an LED and a buzzer;
the switch detection module is an input module and is used for receiving a back door delay closing signal sent by a switch;
the strut driving module is used for driving the strut motor and the strut to close the back door;
the back door lock driving detection module is used for driving the locking device to lock the back door and detecting whether the state of the back door lock is locked or not;
the LED and the buzzer are respectively used for giving out sound and light reminding in the delayed closing process;
the PEPS comprises a low-frequency driving module and a radio frequency receiving module, the key comprises a low-frequency receiving module and a radio frequency driving module, and the PEPS and the key are used for jointly completing enabling, triggering and quitting functions of a back door delayed closing function; the BCM is used for executing the locking function of the whole vehicle.
10. The apparatus of claim 9, wherein: the device also comprises an antenna, a back door lock, a locking device, a stay bar motor and a stay bar;
the antenna is connected in series with a signal path of the PEPS and the key and is used for enhancing the signal intensity between the PEPS and the key; the controlled ends of the back door lock and the locking device are connected with the control end of the back door lock driving detection module;
the stay bar motor and the controlled end of the stay bar are connected with the control end of the stay bar driving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011631905.0A CN112644424A (en) | 2020-12-31 | 2020-12-31 | Delayed closing control method and device for electric back door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011631905.0A CN112644424A (en) | 2020-12-31 | 2020-12-31 | Delayed closing control method and device for electric back door |
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| CN112644424A true CN112644424A (en) | 2021-04-13 |
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| CN202011631905.0A Pending CN112644424A (en) | 2020-12-31 | 2020-12-31 | Delayed closing control method and device for electric back door |
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Application publication date: 20210413 |
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