CN102041941B - Method and device for controlling automatic opening and closing of car trunk - Google Patents
Method and device for controlling automatic opening and closing of car trunk Download PDFInfo
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- CN102041941B CN102041941B CN2010105772293A CN201010577229A CN102041941B CN 102041941 B CN102041941 B CN 102041941B CN 2010105772293 A CN2010105772293 A CN 2010105772293A CN 201010577229 A CN201010577229 A CN 201010577229A CN 102041941 B CN102041941 B CN 102041941B
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Abstract
The invention provides a method for controlling the automatic opening and closing of a car trunk, which comprises the following steps that: 1) a control mechanism instructs to unlock a cover of the car trunk; 2) the control mechanism detects the locking state of the cover of the car trunk; 3) a driving mechanism drives an actuating mechanism to open the cover of the car trunk, and in the process of opening the cover of the car trunk, an angle collector carries out real-time collection on open angles, when the open angle collected by the angle collector reaches the maximum open angle, the control mechanism instructs the driving mechanism to stop driving the actuating mechanism; 4) the driving mechanism drives the actuating mechanism to close the cover of the car trunk, and in the process of closing the cover of the car trunk, the angle collector carries out real-time collection on the open angles, when the open angle collected by the angle collector is less than or equal to a small close angle, the control mechanism instructs the driving mechanism to stop driving the actuating mechanism; and 5) the control mechanism instructs to lock the cover of the car trunk. By using the method of the invention, the cover of the car trunk can be closed automatically, and the control process is simple, reliable, and low in cost.
Description
Technical field
The invention belongs to field of automobile, relate to control method and device that a kind of car trunk opens and closes automatically.
Background technology
Electric controller on the automobile is more and more, also more and more hommization of design, thereby, automobile can be handling also thereupon more and more convenient.But the control device that car trunk is carried out electronic control is more rare, and some declare that the luggage case with electronic control function also nearly all just has the function of automatic unlatching luggage case cover, also needs by manual realization and close luggage case cover.At present, can realize that really the luggage case of automatically opening, closing case lid only has at the middle-and-high-ranking car of only a few, but such car is often expensive.
And, for security consideration, when possessing automatic unlatching, closing the luggage case cover function, also require in the case lid opening process, to have the detection of obstacles function, in closing process, have pinch resistant functionality, to guarantee the safety of switching process.Although the anti-biting control device of luggage case can be is to a certain extent designed with reference to the anti-biting control device of power windows, but because the curve of luggage case cover opens and closes the linear movement that moving movement is different from vehicle window, it not only will consider opening angle, luggage case and the body shell junction frictional force in the switching process of luggage case cover, also to consider the gravity of luggage case cover, and the factors such as locking of case lid after closing.Therefore comparatively speaking, more complicated to the control procedure of luggage case.
Summary of the invention
The technical problem to be solved in the present invention is for above shortcomings in the prior art, provides that a kind of control procedure is simple and reliable, cost is low, can realize control method and device that luggage case cover opens and closes automatically.
The technical scheme that solution the technology of the present invention problem adopts is that the control method that this car trunk opens and closes automatically comprises the unlatching step and closes step,
Unlatching may further comprise the steps:
1) by the controlling organization instruction luggage case cover is unblanked;
2) controlling organization detects the lock-out state of luggage case cover in the closed position: be in the lock state if detect luggage case cover, then skip to step 1); Be in unlocking condition if detect luggage case cover, then carry out step 3);
3) drive executing agency by driving mechanism and open luggage case cover, and in the process that luggage case cover is opened, by the opening angle between angle acquisition device Real-time Collection luggage case cover and the body shell, when the opening angle that collects when the angle acquisition device reached maximum opening angle, controlling organization order-driven mechanism stopped to drive executing agency;
Close and may further comprise the steps:
4) drive executing agency by driving mechanism and close luggage case cover, and in the process that luggage case cover is closed, by the opening angle between angle acquisition device Real-time Collection luggage case cover and the body shell, when the opening angle that collects when the angle acquisition device was equal to or less than and closes low-angle, controlling organization order-driven mechanism stopped to drive executing agency;
5) the controlling organization instruction makes the luggage case cover locking.
Preferably, the span of described maximum opening angle is the 60-90 degree, and described to close low-angle span be the 1-5 degree.
Wherein, described driving mechanism can adopt motor, in step 3) in, controlling organization control motor forward is opened luggage case cover thereby drive executing agency; In step 4) in, controlling organization control motor reversal is closed luggage case cover thereby drive executing agency.
Preferably, described angle acquisition device adopts angular transducer, described angular transducer is located at the anglec of rotation that is used for the Real-Time Monitoring motor output shaft on the output shaft of motor, described controlling organization adopts the ECU ECU in the automobile, be preset with maximum opening angle among the ECU ECU and close low-angle, angular transducer links to each other with ECU ECU; In step 3) in, send ECU ECU to by the rotary angle signal of angular transducer Real-time Collection motor output shaft and with it, ECU ECU calculates opening angle between luggage case cover and the body shell according to this rotary angle signal, when described opening angle reaches the maximum opening angle that defaults among the ECU ECU, ECU ECU instruction motor stops operating, and executing agency stops action; In step 4) in, send ECU ECU to by the rotary angle signal of angular transducer Real-time Collection motor output shaft and with it, ECU ECU calculates opening angle between luggage case cover and the body shell according to this rotary angle signal, when described opening angle be equal to or less than default among the ECU ECU close low-angle the time, ECU ECU instruction motor stops operating, and executing agency stops action.
Further preferably, also be provided with the current sensor for the Real-time Collection motor current value on the motor, be preset with current threshold among the ECU ECU, described current sensor links to each other with ECU ECU, in step 3) and step 4) in, the current value of current sensor Real-time Collection motor also to the ECU ECU of sending, ECU ECU compares this current value and the current threshold that defaults among the ECU ECU, if the current value that gathers is less than or equal to described current threshold, judge that then the luggage case cover action is normal, ECU ECU instruction motor continues forward or reverse; If the current value that gathers judges then that greater than described current threshold luggage case cover runs into obstruction in opening process or closing process, ECU ECU instruction motor stops operating or rotates in the opposite direction.
Thereby the inventive method can be so that luggage case cover in the process of opening, possesses the function of detection of obstacles; In the process that luggage case is closed, possesses anti-pinch control function.
More preferably, also be provided with among the ECU ECU and open low-angle and the low-angle current threshold corresponding with opening low-angle, in step 3) in, when the opening angle between described luggage case cover and the body shell is equal to or less than the unlatching low-angle that defaults among the ECU ECU, ECU ECU compares current value and the described low-angle current threshold that current sensor collects, if the current value that gathers is less than or equal to described low-angle current threshold, judge that then the luggage case cover action is normal, ECU ECU instruction motor works on; If the current value that gathers judges then that greater than described low-angle current threshold luggage case cover runs into obstruction in opening process, ECU ECU instruction motor stops operating or rotates in the opposite direction.
The concrete span of wherein, opening low-angle, low-angle current threshold and current threshold can be chosen according to the experiment situation.Opening low-angle span is the 0-5 degree; The span of low-angle current threshold is greater than the span of current threshold.This is because in the initial period of opening luggage case cover, motor just starts, and the starting current of motor is generally larger, and be not must be to increase because of the electric current that has obstruction to cause this moment.After luggage case cover was opened to certain angle, this moment, the electric current of motor was more stable, and the current value when current value also starts is little.By the low-angle current threshold is set, can prevent luggage case cover in open stage, it is disconnected that erroneous judgement may occur in ECU ECU.
The control device that a kind of car trunk opens and closes automatically, it comprises for the executing agency that opens and closes luggage case cover, drive the driving mechanism of described executing agency motion, and controlling organization, described executing agency, driving mechanism, controlling organization links to each other successively, but also include the angle acquisition device of the opening angle between Real-time Collection luggage case cover and the body shell in this control device, described angle acquisition device links to each other with controlling organization, the angle acquisition device sends the angle signal that collects to controlling organization, the angle value order-driven mechanism that is collected according to the angle acquisition device by controlling organization drives executing agency or stops to drive executing agency, thereby luggage case cover is opened, close or stop the action.
Preferably, described driving mechanism adopts motor, and controlling organization adopts the ECU ECU in the automobile, and controlling organization control motor forward is opened luggage case cover thereby can drive executing agency; Controlling organization control motor reversal is closed luggage case cover thereby can drive executing agency.
Preferably, be preset with maximum opening angle among the described ECU ECU and close low-angle, described angle acquisition device adopts angular transducer, and described angular transducer is located on the output shaft of motor with the anglec of rotation of Real-Time Monitoring motor output shaft, and angular transducer links to each other with ECU ECU; The rotary angle signal of angular transducer Real-time Collection motor output shaft also to the ECU ECU of sending, ECU ECU calculates opening angle between luggage case cover and the body shell according to this rotary angle signal, when described opening angle reaches the maximum opening angle that defaults among the ECU ECU, ECU ECU instruction motor stops operating, and executing agency stops action; When described opening angle be equal to or less than default among the ECU ECU close low-angle the time, ECU ECU instruction motor stops operating, executing agency stop the action.
Further preferably, also be provided with the current sensor for the Real-time Collection motor current value on the motor, described current sensor links to each other with ECU ECU, be preset with current threshold among the ECU ECU, the current value of current sensor Real-time Collection motor also to the ECU ECU of sending, ECU ECU compares this current value and the current threshold that defaults among the ECU ECU, if the current value that gathers is less than or equal to described current threshold, ECU ECU instruction motor continues forward or reverse; If the current value that gathers is greater than described current threshold, ECU ECU instruction motor stops operating or rotates in the opposite direction.
More preferably, also can be provided with among the ECU ECU and open low-angle and the low-angle current threshold corresponding with opening low-angle, when the opening angle between described luggage case cover and the body shell is equal to or less than the unlatching low-angle that defaults among the ECU ECU, ECU ECU compares current value and the described low-angle current threshold that current sensor collects, if the current value that gathers is less than or equal to described low-angle current threshold, then ECU ECU instruction motor continues forward; If the current value that gathers is greater than described low-angle current threshold, ECU ECU instruction motor stops operating or rotates in the opposite direction.
Preferably, position corresponding with luggage case cover on the described body shell also is provided with air spring, described air spring is used for supporting described luggage case cover when luggage case cover is opened, and an end of air spring is connected with body shell, and an end is connected with luggage case cover.
Preferably, also include in this device for luggage case cover being unblanked and the dead lock of locking, described dead lock is installed on the body shell.
Preferably; also include micro switch in the dead lock; be preset with a locking angle in the micro switch; described micro switch is connected with ECU ECU; relative position when micro switch is closed for detection of luggage case between luggage case cover 2 and the body shell 1; when the angle between luggage case cover and the body shell reaches the locking angle of setting in the micro switch; micro switch is sent signal and is sent ECU ECU to; ECU ECU instruction dead lock locking luggage case cover; thereby can effectively guarantee luggage case cover close rear by locking, with the safety of article in the protection luggage case.
Adopt apparatus of the present invention, can automatically open, close and locking luggage case cover.Simultaneously, running into obstruction for luggage case cover in the opening and closing process can control automatically, thereby makes this device possess detection of obstacles function and anti-pinch control function.In addition, because the element that apparatus of the present invention adopt is the present conventional electronic device that uses, and it is simple in structure, thereby whole installation cost is lower.
Description of drawings
Fig. 1 is the structural representation of the control device that opens and closes automatically of car trunk of the present invention;
Fig. 2 is the sketch of each the control signal stream in the control device of the present invention;
Fig. 3 is the control flow chart that luggage case cover opened and prevented obstruction automatically in the control device of the present invention;
Fig. 4 is the control flow chart of luggage case cover autoshutdown and anti-pinch in the control device of the present invention.
Among the figure: the 1-body shell; The 2-luggage case cover; The 3-hinge; The 4-air spring; The 5-angular transducer; The 6-reducer; 7-executing agency; The 8-motor; 9-ECU ECU.
The specific embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with accompanying drawing a specific embodiment of the present invention is described in further detail.
As shown in Figure 1, in the present embodiment, but the control device that car trunk opens and closes automatically mainly comprises for the executing agency 7 that opens and closes luggage case cover 2, drives the angle acquisition device of the opening angle between driving mechanism, controlling organization Real-time Collection luggage case cover 2 and the body shell 1 of described executing agency motion and for luggage case cover 2 being unblanked and the dead lock (not shown in figure 1) of locking.Dead lock is installed on the body shell 1.Described executing agency 7, driving mechanism, controlling organization link to each other successively, described angle acquisition device links to each other with controlling organization, the angle acquisition device sends the angle signal that collects to controlling organization, the angle value order-driven mechanism that is collected according to the angle acquisition device by controlling organization drives executing agency or stops to drive executing agency, thereby makes luggage case cover open, close or stop action.
Wherein, driving mechanism adopts motor 8, and executing agency 7 adopts linkage, and controlling organization adopts the ECU ECU in the automobile, and the angle acquisition device adopts angular transducer 5.Described executing agency 7, motor 8, ECU ECU three connect successively, angular transducer 5 is connected with ECU ECU, angular transducer 5 is installed on the output shaft of motor 8, be used for monitoring and gathering the anglec of rotation of motor 8 output shafts, and send the angle signal that gathers to ECU ECU.Also be integrated with the current sensor (not shown in figure 1) in the motor 8, described current sensor is connected with ECU ECU, is used for the current value of Real-time Collection motor 8, and sends the current signal that gathers to ECU ECU.
ECU ECU control motor 8 forwards are opened luggage case cover 2 thereby can drive executing agency 7; 8 counter-rotatings of ECU ECU control motor are closed luggage case cover 2 thereby can drive executing agency 7.
As shown in Figure 1, be connected by hinge 3 between luggage case cover 2 and the body shell 1, hinge 3 makes luggage case cover 2 remain fixed in top, body shell 1 rear portion.Position corresponding with luggage case cover on the described body shell 1 also is provided with air spring 4, and air spring 4 is used for supporting luggage case cover 2 when luggage case cover is opened, and an end of air spring 4 is connected with body shell 1, and the other end is connected with luggage case cover 2.Air spring 4 keeps synchronously with ascending motion or the descending motion of executing agency 7 in the process that luggage case cover 2 is opened or closed, and makes the position of luggage case cover 2 be in all the time the state of balance.
Between motor 8 and executing agency 7, reducer 6 is installed also, with the speed of buffering executing agency 7, makes executing agency 7 obtain more suitable rising and decrease speed.One end of executing agency 7 is connected with reducer 6, and its other end is connected with luggage case cover 2.
For to safeguarding of assets and security consideration, the luggage case of having closed need to be locked.Thereby, also including the dead lock (not shown in figure 1) in the device of the present invention, described dead lock is installed on the body shell 1, and dead lock links to each other with ECU ECU.Dead lock is the device that an execution is unblanked and locking moves; wherein be integrated with micro switch; be preset with a locking angle (can set according to actual conditions the span of locking angle) in the micro switch; micro switch has the small distance measuring ability; less relative position between luggage case cover 2 and the body shell 1 when this function is closed for detection of luggage case; when the angle between luggage case cover 2 and the body shell 1 reach or less than shown in during the locking angle; micro switch is sent signal and is sent ECU ECU to; ECU ECU instruction dead lock locking luggage case cover 2; thereby can effectively guarantee luggage case cover 2 close rear by locking, with the safety of article in the protection luggage case.
Be preset with a maximum opening angle and one among the ECU ECU and close low-angle angle value.The span of described maximum opening angle is the 60-90 degree.It is described that to close low-angle span be the 1-5 degree.
Also be preset with current threshold among the ECU ECU, open low-angle and low-angle current threshold.
The control method that car trunk of the present invention opens and closes automatically, it comprises opens step and closes step,
Wherein, unlatching may further comprise the steps:
1) by ECU ECU instruction dead lock luggage case cover is unblanked;
2) ECU ECU detects the lock-out state of luggage case cover 2 in the closed position: be in the lock state if detect luggage case cover 2, then skip to step 1); Be in unlocking condition if detect luggage case cover 2, then carry out step 3);
3) drive executing agency 7 by motor 8 and open luggage case cover 2, and in the process that luggage case cover 2 is opened, send ECU ECU to by the rotary angle signal of angular transducer 5 Real-time Collection motor output shafts and with it, ECU ECU calculates opening angle between luggage case cover 2 and the body shell 1 according to this rotary angle signal, when described opening angle reaches the maximum opening angle that defaults among the ECU ECU, ECU ECU instruction motor 8 stops operating, and executing agency 7 stops action;
Close and may further comprise the steps:
4) drive executing agency 7 by motor 8 and close luggage case cover, and in the process that luggage case cover 2 is closed, send ECU ECU to by the rotary angle signal of angular transducer 5 Real-time Collection motor output shafts and with it, ECU ECU calculates opening angle between luggage case cover 2 and the body shell 1 according to this rotary angle signal, when described opening angle be equal to or less than default among the ECU ECU close low-angle the time, ECU ECU instruction motor 8 stops operating, and executing agency 7 stops action.
5) ECU ECU instruction luggage case cover 2 lockings.
In step 3) and step 4) in, send ECU ECU to by the current value of current sensor Real-time Collection motor 8 and with it, ECU ECU compares this current value and the current threshold that defaults among the ECU ECU, if the current value that gathers is less than or equal to described current threshold, judge that then luggage case cover 2 actions are normal, ECU ECU instruction motor 8 continues forward or reverse; If the current value that gathers judges then that greater than described current threshold luggage case cover 2 runs into obstruction in opening process or closing process, ECU ECU instruction motor 8 stops operating or rotates in the opposite direction.
Thereby; when opening or closing luggage case cover 2; the size of the current value that ECU ECU collects according to current sensor; can detect the suffered resistance information of luggage case cover 2; thereby control motor 8 stops operating or rotates in the opposite direction, and is not damaged with protection luggage case cover 2 and obstruction.
During work, rotational angle by angular transducer 5 monitoring motor output shafts, and the numerical value of described rotational angle fed back to ECU ECU, ECU ECU calculates the opening angle of luggage case cover 2 in real time according to this rotational angle value, namely calculate the angle between luggage case cover 2 and the body shell 1.
In addition, in step 3) in, when the opening angle between described luggage case cover and the body shell is equal to or less than the unlatching low-angle that defaults among the ECU ECU, ECU ECU compares current value and the described low-angle current threshold that current sensor collects, if the current value that gathers is less than or equal to described low-angle current threshold, judge that then the luggage case cover action is normal, ECU ECU instruction motor works on; If the current value that gathers judges then that greater than described low-angle current threshold luggage case cover runs into obstruction in opening process, ECU ECU instruction motor stops operating or rotates in the opposite direction.
In above control procedure, the span of low-angle current threshold is generally greater than the span of current threshold, this is because in the initial period of opening luggage case cover, motor 8 has just started, the starting current of motor 8 is larger generally speaking, and be not must be to increase because of the electric current that has obstruction to cause this moment.After luggage case cover is opened to certain angle, this moment motor current stabilization, the current value when current value starts is little.
Fig. 2 is the sketch of each the control signal stream in the control device of the present invention.
Below in conjunction with Fig. 3 and control flow chart shown in Figure 4, specifically describe the action of luggage case cover 2 in the opening and closing process.
As shown in Figure 3, in step S301, after ECU ECU received the order of opening luggage case cover 2, the instruction dead lock was unblanked.
In step S302, carry out unlocking action by dead lock.
In step S303, judge whether dead lock is opened: if judged result is "No", show that namely dead lock do not open, forward step S302 to; If the judgement structure is "Yes", show that then dead lock opens, then carry out step S304.Meanwhile, motor 8 starts, and angular transducer 5 and current sensor are started working.Motor 8 rotates, and opens luggage case cover 2 through reducer 6 drive executing agencies 7.
In step S304, gather the opening angle between luggage case cover and the body shell, and gather the current value of motor.
In step S305, judge by ECU ECU whether the opening angle of luggage case cover is less than or equal to default unlatching low-angle, if judged result is "No", namely opening angle then forwards step S307 to greater than the unlatching low-angle of demarcating; If judged result is "Yes", namely opening angle is less than or equal to the unlatching low-angle of demarcation, then forwards step S306 to.
In step S306, judge that by ECU ECU motor current value is whether greater than the low-angle current threshold of demarcating: if judged result is "No", showing does not have obstruction, then returns step S305; If judged result is "Yes", namely motor current value then forwards step S308 to greater than the low-angle current threshold of demarcating, and showing has obstruction, and motor stops operating or rotates in the opposite direction to discharge obstruction.
In step S307, judged by ECU ECU whether the opening angle of luggage case cover reaches maximum position: if judged result is "No", namely luggage case cover also is not opened to maximum position, then forwards step S309 to; If judged result is "Yes", namely case lid is opened fully, then forwards step S310 to.
In step S308, result of determination is for there being obstruction, and motor stops operating or rotates in the opposite direction.
In step S309, judge that by ECU ECU current value is whether greater than the current threshold of demarcating: if judged result is "No", namely current value is less than or equal to the current threshold of demarcation, and then motor is rotated further; If judged result is "Yes", namely current value then forwards step S308 to greater than the current threshold of demarcating.
In step S310, whole control procedure finishes.
As shown in Figure 4, in step S401, ECU ECU receives the order of closing luggage case cover.At this moment, motor 8 starts, and starts simultaneously anti-pinch control function.Motor 8 drives executing agency 7 through reducer 6 and cuts out luggage case cover 2 in rotation process.
In step S402, gather the opening angle of luggage case cover 2, and the current value that gathers motor.
In step S403, ECU ECU judges whether opening angle is less than or equal to the low-angle of closing of demarcation.If judged result is "No", namely opening angle is closed the low-angle value greater than what demarcate, then forwards step S405 to; If judged result is "Yes", namely opening angle is less than or equal to the low-angle of closing of demarcation, then forwards step S404 to.
In step S404, judge that the current value of motor is whether greater than the low-angle current threshold of demarcating: if judged result is "No", then return step S403; If judged result is "Yes", namely motor current value can determine then that more than or equal to the low-angle current threshold of demarcating closing the case process runs into obstruction, then forwards step S406 to.
In step S405, judge whether set of micro switch: if judged result is "No", namely micro switch does not have set, then forwards step S407 to; If judged result is "Yes", i.e. set of micro switch then forwards step S408 to.
In step S406, result of determination is for there being obstruction, and motor stops operating or rotates in the opposite direction.
In step S407, judge that current value is whether greater than the current threshold of demarcating: if judged result is "Yes", namely current value then forwards step S406 to greater than the current threshold of demarcating.
In step S408, the dead lock locking, luggage case cover 2 is closed successfully, and motor stops operating.
Be understandable that, above embodiment only is the illustrative embodiments that adopts for principle of the present invention is described, yet the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement also are considered as protection scope of the present invention.
Claims (10)
1. the control method that car trunk opens and closes automatically comprises and opens step and close step, it is characterized in that
Described unlatching step may further comprise the steps:
1) by the controlling organization instruction luggage case cover is unblanked;
2) controlling organization detects the lock-out state of luggage case cover (2) in the closed position: be in the lock state if detect luggage case cover, then skip to step 1); Be in unlocking condition if detect luggage case cover, then carry out step 3);
3) drive executing agency (7) by driving mechanism and open luggage case cover, and in the process that luggage case cover is opened, by the opening angle between angle acquisition device Real-time Collection luggage case cover (2) and the body shell (1), when the opening angle that collects when the angle acquisition device reached the maximum opening angle of luggage case cover, controlling organization order-driven mechanism stopped to drive executing agency;
The described step of closing may further comprise the steps:
4) drive executing agency by driving mechanism and close luggage case cover, and in the process that luggage case cover is closed, by the opening angle between angle acquisition device Real-time Collection luggage case cover (2) and the body shell (1), when the opening angle that collects when the angle acquisition device was equal to or less than and closes low-angle, controlling organization order-driven mechanism stopped to drive executing agency;
5) the controlling organization instruction makes the luggage case cover locking.
2. control method according to claim 1, the span that it is characterized in that described maximum opening angle is the 60-90 degree, it is described that to close low-angle span be the 1-5 degree.
3. control method according to claim 1 is characterized in that described driving mechanism adopts motor (8), in step 3) in, controlling organization control motor (8) forward is opened luggage case cover (2) thereby drive executing agency (7); In step 4) in, controlling organization control motor (8) counter-rotating is closed luggage case cover thereby drive executing agency (7).
4. control method according to claim 3, it is characterized in that described angle acquisition device adopts angular transducer (5), described angular transducer (5) is located at the anglec of rotation that is used for the Real-Time Monitoring motor output shaft on the output shaft of motor (8), described controlling organization adopts the ECU ECU in the automobile, be preset with maximum opening angle among the ECU ECU and close low-angle, angular transducer (5) links to each other with ECU ECU; In step 3) in, send ECU ECU to by the rotary angle signal of angular transducer (5) Real-time Collection motor output shaft and with it, ECU ECU calculates opening angle between luggage case cover and the body shell according to this rotary angle signal, when described opening angle reaches the maximum opening angle that defaults among the ECU ECU, ECU ECU instruction motor (8) stops operating, and executing agency (7) stops action; In step 4) in, send ECU ECU to by the rotary angle signal of angular transducer (5) Real-time Collection motor output shaft and with it, ECU ECU calculates opening angle between luggage case cover and the body shell according to this rotary angle signal, when described opening angle be equal to or less than default among the ECU ECU close low-angle the time, ECU ECU instruction motor (8) stops operating, and executing agency (7) stops action.
5. control method according to claim 4, it is characterized in that motor (8) is provided with the current sensor for Real-time Collection motor (8) current value, be preset with current threshold among the ECU ECU, described current sensor links to each other with ECU ECU, in step 3) and step 4) in, the current value of current sensor Real-time Collection motor (8) also to the ECU ECU of sending, ECU ECU compares this current value and the current threshold that defaults among the ECU ECU, if the current value that gathers is less than or equal to described current threshold, judge that then the luggage case cover action is normal, ECU ECU instruction motor continues forward or reverse; If the current value that gathers judges then that greater than described current threshold luggage case cover runs into obstruction in opening process or closing process, ECU ECU instruction motor stops operating or motor is rotated in the opposite direction.
6. control method according to claim 5, it is characterized in that also being provided with among the ECU ECU and open low-angle and the low-angle current threshold corresponding with opening low-angle, in step 3) in, when the opening angle between described luggage case cover and the body shell is equal to or less than the unlatching low-angle that defaults among the ECU ECU, ECU ECU compares current value and the described low-angle current threshold that current sensor collects, if the current value that gathers is less than or equal to described low-angle current threshold, judge that then the luggage case cover action is normal, ECU ECU instruction motor (8) works on; If the current value that gathers judges then that greater than described low-angle current threshold luggage case cover runs into obstruction in opening process, ECU ECU instruction motor (8) stops operating or rotates in the opposite direction.
7. control device that car trunk opens and closes automatically, it is characterized in that comprising the executing agency (7) for opening and closing luggage case cover (2), drive the driving mechanism of described executing agency motion, and controlling organization, described executing agency, driving mechanism, controlling organization links to each other successively, but also include the angle acquisition device of the opening angle between Real-time Collection luggage case cover and the body shell in this control device, described angle acquisition device links to each other with controlling organization, the angle acquisition device sends the angle signal that collects to controlling organization, the angle value order-driven mechanism that is collected according to the angle acquisition device by controlling organization drives executing agency or stops to drive executing agency, thereby luggage case cover is opened, close or stop the action.
8. device according to claim 7, it is characterized in that described driving mechanism adopts motor (8), controlling organization adopts the ECU ECU in the automobile, and controlling organization control motor (8) forward is opened luggage case cover (2) thereby can drive executing agency (7); Controlling organization control motor (8) counter-rotating is closed luggage case cover thereby can drive executing agency (7); Be preset with maximum opening angle among the described ECU ECU and close low-angle, described angle acquisition device adopts angular transducer (5), described angular transducer (5) is located on the output shaft of motor (8) with the anglec of rotation of Real-Time Monitoring motor output shaft, and angular transducer (5) links to each other with ECU ECU; The rotary angle signal of angular transducer (5) Real-time Collection motor output shaft also to the ECU ECU of sending, ECU ECU calculates opening angle between luggage case cover and the body shell according to this rotary angle signal, when described opening angle reaches the maximum opening angle that defaults among the ECU ECU, ECU ECU instruction motor (8) stops operating, and executing agency (7) stops action; When described opening angle be equal to or less than default among the ECU ECU close low-angle the time, ECU ECU instruction motor (8) stops operating, executing agency (7) stop the action.
9. device according to claim 8, it is characterized in that also being provided with on the motor (8) current sensor for Real-time Collection motor (8) current value, described current sensor links to each other with ECU ECU, be preset with current threshold among the ECU ECU, the current signal value of current sensor Real-time Collection motor (8) also to the ECU ECU of sending, ECU ECU compares this current signal value and the current threshold that defaults among the ECU ECU, if the current value that gathers is less than or equal to described current threshold, ECU ECU instruction motor continues forward or reverse; If the current value that gathers is greater than described current threshold, ECU ECU instruction motor stops operating or motor is rotated in the opposite direction; Also be provided with among the ECU ECU and open low-angle and the low-angle current threshold corresponding with opening low-angle, when the opening angle between described luggage case cover and the body shell is equal to or less than the unlatching low-angle that defaults among the ECU ECU, ECU ECU compares current value and the described low-angle current threshold that current sensor collects, if the current value that gathers is less than or equal to described low-angle current threshold, ECU ECU instruction motor continues forward; If the current value that gathers is greater than described low-angle current threshold, ECU ECU instruction motor stops operating or rotates in the opposite direction.
10. described device one of according to claim 7-9, it is characterized in that the upper position corresponding with luggage case cover of described body shell (1) also is provided with air spring (4), described air spring (4) is used for supporting described luggage case cover when luggage case cover is opened, one end of air spring (4) is connected with body shell (1), and the other end is connected with luggage case cover (2); Also include in this device for luggage case cover being unblanked and the dead lock of locking, described dead lock is installed on the body shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105772293A CN102041941B (en) | 2010-12-01 | 2010-12-01 | Method and device for controlling automatic opening and closing of car trunk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105772293A CN102041941B (en) | 2010-12-01 | 2010-12-01 | Method and device for controlling automatic opening and closing of car trunk |
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| Publication Number | Publication Date |
|---|---|
| CN102041941A CN102041941A (en) | 2011-05-04 |
| CN102041941B true CN102041941B (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105772293A Active CN102041941B (en) | 2010-12-01 | 2010-12-01 | Method and device for controlling automatic opening and closing of car trunk |
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| CN (1) | CN102041941B (en) |
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| CN110439416B (en) * | 2019-09-06 | 2024-02-27 | 法美瑞控股有限公司 | Electric luggage compartment door |
| CN110758242A (en) * | 2019-10-28 | 2020-02-07 | 深圳市元征科技股份有限公司 | Vehicle trunk control method and device and vehicle-mounted terminal |
| CN110864926A (en) * | 2019-11-29 | 2020-03-06 | 安徽江淮汽车集团股份有限公司 | Trunk test device and trunk test method |
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| CN102041941A (en) | 2011-05-04 |
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