CN111140118A - Anti-pinch control method for automobile electric tail door stay bar based on Hall sensor - Google Patents
Anti-pinch control method for automobile electric tail door stay bar based on Hall sensor Download PDFInfo
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- CN111140118A CN111140118A CN202010155288.5A CN202010155288A CN111140118A CN 111140118 A CN111140118 A CN 111140118A CN 202010155288 A CN202010155288 A CN 202010155288A CN 111140118 A CN111140118 A CN 111140118A
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- Prior art keywords
- hall sensor
- tail gate
- motor
- stay bar
- control method
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 24
- 230000004888 barrier function Effects 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001595 contractor effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- E05F15/42—Detection using safety edges
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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
- E05F15/60—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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
- E05Y2900/532—Back doors or end doors
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses an anti-pinch control method of an automotive electric tail gate stay bar based on a Hall sensor, which can collect the driving information of a vehicle to a central processing unit and make whether to execute the action of opening or closing the tail gate, for example, the condition is not satisfied when the driving speed of the vehicle exceeds a certain value, then whether a barrier exists at the tail gate is judged according to the detected data of the Hall sensor at the position of the electric stay bar, and then the action of closing or opening the tail gate is executed, so that the safety of the use process is ensured, namely, the real-time monitoring is carried out in the closing process of the tail gate, once the barrier is touched, the motion is immediately stopped and the back operation is carried out, so that people or objects are prevented from being pinched, the safety reliability and the intelligence of the anti-pinch control method are improved, the use of a user is facilitated, and the user.
Description
Technical Field
The invention belongs to the technical field of automobile tail gate control, and particularly relates to an anti-pinch control method for an electric tail gate stay bar of an automobile.
Background
The intelligent electric tail gate controls the opening and closing of the tail gate by pressing a switch key of the tail gate of the vehicle and a key of a remote control car or using hands or any object induction operation in a corresponding area of the tail gate by a driver, and the electric tail gate also has the functions of intelligent anti-pinch, height memory and the like. The control method has the advantages of convenience and quickness in control, strong practicability and the like, and is widely applied to SUV and other vehicle types.
In the prior art, a general electric tail gate can only be opened and closed through an additionally arranged tail gate switch, and can still be opened when the tail gate switch is touched in non-parking gear or running, even some electric tail gates have no anti-pinch function, so that some potential safety hazards can be brought, even some vehicles still can be opened when the back of the body is in a motion state, and personal and property loss of consumers can be possibly caused.
Disclosure of Invention
The technical problem mainly solved by the invention is to provide an automobile electric tail gate strut anti-pinch control method based on a Hall sensor, which is characterized in that whether an obstacle exists at a tail gate is judged according to the detected data of the Hall sensor at the position of the electric strut, and then the closing or opening action of the tail gate is executed, so that the safety of the use process is ensured, namely, the real-time monitoring is carried out in the closing process of the tail gate, once the obstacle is touched, the movement is immediately stopped and the reverse operation is carried out, so that people or objects are prevented from being pinched, the safety reliability and the intellectualization of the automobile electric tail gate strut are improved, the use by a user is facilitated, and the user experience is improved.
In order to solve the technical problems, the invention adopts a technical scheme that: the anti-pinch control method of the automotive electric tail gate stay bar based on the Hall sensor comprises the following steps:
firstly, transmitting the running information of a vehicle to a CAN signal unit through a CAN bus, transmitting the received vehicle running information to a central processing unit of the vehicle by the CAN signal unit, processing the information by the central processing unit and making a judgment to see whether a tail gate of the vehicle meets the condition of being capable of being opened or closed;
step two, if the automobile tail gate meets the condition of being opened or closed, the motor of the tail gate brace rod device rotates, the tail gate is driven to be opened or closed at the moment, the Hall sensor detects and records the parameters of the motor such as the rotating speed, the current and the like in real time in the process, the detected data are transmitted to the control unit of the tail gate brace rod device and the central processing unit of the automobile, and step three or step four is executed;
if the Hall sensor detects that the rotating speed of the motor is reduced below a set limit, the Hall sensor can detect the existence of the barrier, and meanwhile, the current consumption of the motor is increased, the power supply to the motor is performed reversely, so that the tail gate moves in the opposite stroke direction, and an anti-pinch function is executed;
and step four, if the Hall sensor detects that the rotating speed of the motor does not fall below a set limit, the Hall sensor does not detect the existence of the obstacle, the motor works normally, the stretching or contracting action of the stay bar is executed, and the tail gate is closed or opened normally.
Further, the third step may further include the following actions: the Hall sensor transmits signals to the central processing unit, and the central processing unit transmits the signals to the fault detection unit, so that the fault causes can be detected in time, and the faults can be processed in time.
The tail gate strut device in the first step further comprises a driving rod, the motor drives the driving rod to extend or contract, the driving rod is composed of an inner tube and an outer tube through a spindle driver, the motor and the gear in the inner tube drive a threaded spindle, the threaded spindle moves on a threaded nut fixed on the inner side of the outer tube, and the strut electric strut uses an electric spindle in a motor inside the strut to open and close the trunk lid spring and also plays an auxiliary role in lid opening operation.
Furthermore, the isolation voltage of the Hall sensor can reach 9600Vrms, the precision is better than 1% in a working temperature region, and the linearity is better than 0.1%; the current measurement reaches 50KA, and the voltage measurement reaches 6400V.
Furthermore, the outer tube and the outer tube of the driving rod are provided with anti-skid lines which are convenient for the driving rod to take when being installed.
Furthermore, the central processing unit is in wireless signal connection, and the intelligent mobile terminal is a smart phone or an ipad.
The invention has the beneficial effects that:
the invention can collect the driving information of the vehicle to the central processing unit and make the action of opening or closing the tail gate, for example, when the driving speed of the vehicle exceeds a certain value, the condition can not be satisfied, then judge whether the tail gate has an obstacle according to the data detected by the Hall sensor at the electric stay bar, and then execute the action of closing or opening the tail gate, thereby ensuring the safety of the use process, namely, the real-time monitoring is carried out in the closing process of the tail gate, once the obstacle is touched, the movement is stopped immediately and the reverse operation is carried out, so as to prevent people or articles from being clamped, the safety reliability and the intelligence of the tail gate are improved, the use of a user is facilitated, and the user experience is improved;
the control system has the functions of intelligently detecting the barrier and realizing emergency braking, and the barrier can be automatically retracted when the tail gate is opened, so that the motor is prevented from being burnt out due to overlarge current; when the door is closed, the door can automatically rebound when meeting an obstacle, and the situations of accidental clamping injury or vehicle damage and the like are avoided.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention will be described in detail with reference to the accompanying drawings. The invention may be embodied in other different forms, i.e. it is capable of various modifications and changes without departing from the scope of the invention as disclosed.
Example (b): an anti-pinch control method of a stay bar of an electric automobile tail gate based on a Hall sensor comprises the following steps:
firstly, transmitting the running information of a vehicle to a CAN signal unit through a CAN bus, transmitting the received vehicle running information to a central processing unit of the vehicle by the CAN signal unit, processing the information by the central processing unit and making a judgment to see whether a tail gate of the vehicle meets the condition of being capable of being opened or closed;
step two, if the automobile tail gate meets the condition of being opened or closed, the motor of the tail gate brace rod device rotates, the tail gate is driven to be opened or closed at the moment, the Hall sensor detects and records the parameters of the motor such as the rotating speed, the current and the like in real time in the process, the detected data are transmitted to the control unit of the tail gate brace rod device and the central processing unit of the automobile, and step three or step four is executed;
if the Hall sensor detects that the rotating speed of the motor is reduced below a set limit, the Hall sensor can detect the existence of the barrier, and meanwhile, the current consumption of the motor is increased, the power supply to the motor is performed reversely, so that the tail gate moves in the opposite stroke direction, and an anti-pinch function is executed;
and step four, if the Hall sensor detects that the rotating speed of the motor does not fall below a set limit, the Hall sensor does not detect the existence of the obstacle, the motor works normally, the stretching or contracting action of the stay bar is executed, and the tail gate is closed or opened normally.
In this embodiment, the third step may further include the following actions: the Hall sensor transmits signals to the central processing unit, and the central processing unit transmits the signals to the fault detection unit, so that the fault causes can be detected in time, and the faults can be processed in time.
The tailgate stay bar device in the step one comprises a driving rod, the motor drives the driving rod to extend or contract, the driving rod consists of an inner pipe and an outer pipe through a main shaft driver, the motor and a gear in the inner pipe drive a threaded main shaft, the threaded main shaft moves on a threaded nut fixed on the inner side of the outer pipe, and the stay bar electric strut uses an electric main shaft in the motor inside the strut to open and close a trunk lid spring and also plays an auxiliary role in the lid opening operation.
The isolation voltage of the Hall sensor can reach 9600Vrms, the precision is better than 1% in a working temperature region, and the linearity is better than 0.1%; the current measurement reaches 50KA, and the voltage measurement reaches 6400V.
The outer tube and the outer tube of the driving rod are further provided with anti-skid lines which are convenient for the driving rod to take when being installed.
The central processing unit is in wireless signal connection, and the intelligent mobile terminal is an intelligent mobile phone or an ipad.
This embodiment can collect the information of going of vehicle central processing unit and make and can carry out the action of opening or closing the tail-gate, for example when vehicle speed of traveling surpassed a definite value, just unsatisfied condition, then judge according to the data of the detection of the hall sensor of electronic vaulting pole department whether tail-gate department has the barrier, the action of closing or opening of carrying out the tail-gate again, ensure the security of use, real-time supervision in the in-process that the tail-gate was closed promptly, in case touch the barrier and stop motion and reverse operation immediately, in order to prevent pressing from both sides people or article, improve its fail safe nature and intellectuality, made things convenient for user to use, user experience has been improved
The control system has the functions of intelligently detecting the barrier and realizing emergency braking, and the barrier can be automatically retracted when the tail gate is opened, so that the motor is prevented from being burnt out due to overlarge current; when the door is closed, the door can automatically rebound when meeting an obstacle, and the situations of accidental clamping injury or vehicle damage and the like are avoided.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by the present specification or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (6)
1. The utility model provides an electronic tail-gate vaulting pole of car prevents pressing from both sides control method based on hall sensor which characterized in that: the anti-pinch control method comprises the following steps:
firstly, transmitting the running information of a vehicle to a CAN signal unit through a CAN bus, transmitting the received vehicle running information to a central processing unit of the vehicle by the CAN signal unit, processing the information by the central processing unit and making a judgment to see whether a tail gate of the vehicle meets the condition of being capable of being opened or closed;
step two, if the automobile tail gate meets the condition of being opened or closed, the motor of the tail gate brace rod device rotates, the tail gate is driven to be opened or closed at the moment, the Hall sensor detects and records the parameters of the motor such as the rotating speed, the current and the like in real time in the process, the detected data are transmitted to the control unit of the tail gate brace rod device and the central processing unit of the automobile, and step three or step four is executed;
if the Hall sensor detects that the rotating speed of the motor is reduced below a set limit, the Hall sensor can detect the existence of the barrier, and meanwhile, the current consumption of the motor is increased, the power supply to the motor is performed reversely, so that the tail gate moves in the opposite stroke direction, and an anti-pinch function is executed;
and step four, if the Hall sensor detects that the rotating speed of the motor does not fall below a set limit, the Hall sensor does not detect the existence of the obstacle, the motor works normally, the stretching or contracting action of the stay bar is executed, and the tail gate is closed or opened normally.
2. The Hall sensor-based automobile electric tailgate stay bar anti-pinch control method according to claim 1, characterized in that: the third step may further include the following actions: the Hall sensor transmits signals to the central processing unit, and the central processing unit transmits the signals to the fault detection unit, so that the fault causes can be detected in time, and the faults can be processed in time.
3. The Hall sensor-based automobile electric tailgate stay bar anti-pinch control method according to claim 1, characterized in that: the tailgate stay bar device in the step one comprises a driving rod, the motor drives the driving rod to extend or contract, the driving rod consists of an inner pipe and an outer pipe through a main shaft driver, the motor and a gear in the inner pipe drive a threaded main shaft, the threaded main shaft moves on a threaded nut fixed on the inner side of the outer pipe, and the stay bar electric strut uses an electric main shaft in the motor inside the strut to open and close a trunk lid spring and also plays an auxiliary role in the lid opening operation.
4. The Hall sensor-based automobile electric tailgate stay bar anti-pinch control method according to claim 1, characterized in that: the isolation voltage of the Hall sensor can reach 9600Vrms, the precision is better than 1% in a working temperature region, and the linearity is better than 0.1%; the current measurement reaches 50KA, and the voltage measurement reaches 6400V.
5. The Hall sensor-based automobile electric tailgate stay bar anti-pinch control method according to claim 1, characterized in that: the outer tube and the outer tube of the driving rod are further provided with anti-skid lines which are convenient for the driving rod to take when being installed.
6. The Hall sensor-based automobile electric tailgate stay bar anti-pinch control method according to claim 1, characterized in that: the central processing unit is in wireless signal connection, and the intelligent mobile terminal is an intelligent mobile phone or an ipad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155288.5A CN111140118A (en) | 2020-03-09 | 2020-03-09 | Anti-pinch control method for automobile electric tail door stay bar based on Hall sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155288.5A CN111140118A (en) | 2020-03-09 | 2020-03-09 | Anti-pinch control method for automobile electric tail door stay bar based on Hall sensor |
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| Publication Number | Publication Date |
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| CN111140118A true CN111140118A (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010155288.5A Pending CN111140118A (en) | 2020-03-09 | 2020-03-09 | Anti-pinch control method for automobile electric tail door stay bar based on Hall sensor |
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| CN (1) | CN111140118A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099385A (en) * | 2020-09-24 | 2020-12-18 | 珠海格力电器股份有限公司 | Display panel control method and device of household appliance and household appliance |
| CN112112505A (en) * | 2020-09-08 | 2020-12-22 | 浙江盖茨工业科技股份有限公司 | Electric tail gate stay bar control method and electric tail gate system |
-
2020
- 2020-03-09 CN CN202010155288.5A patent/CN111140118A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112505A (en) * | 2020-09-08 | 2020-12-22 | 浙江盖茨工业科技股份有限公司 | Electric tail gate stay bar control method and electric tail gate system |
| CN112099385A (en) * | 2020-09-24 | 2020-12-18 | 珠海格力电器股份有限公司 | Display panel control method and device of household appliance and household appliance |
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Application publication date: 20200512 |
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| WD01 | Invention patent application deemed withdrawn after publication |