CN201089436Y - Automobile safety band control device - Google Patents
Automobile safety band control device Download PDFInfo
- Publication number
- CN201089436Y CN201089436Y CNU2007200008028U CN200720000802U CN201089436Y CN 201089436 Y CN201089436 Y CN 201089436Y CN U2007200008028 U CNU2007200008028 U CN U2007200008028U CN 200720000802 U CN200720000802 U CN 200720000802U CN 201089436 Y CN201089436 Y CN 201089436Y
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- safety strap
- constraint
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Abstract
The utility model provides a seat belt controller for a vehicle, which controls the tension of a three-point-type seat belt arranged on the vehicle to restrict the left waist and the right waist, and either the left shoulder or the right shoulder. The utility model is characterized in that: the seat belt controller comprises a tension adjusting unit which adjusts the tension of the seat belt; a turning direction detecting unit which detects the turning direction when the vehicle turns; and a control unit which controls the tension adjusting unit. The control unit controls the tension adjusting unit, so that the restriction of the three-point-type seat belt is smaller under the circumstance that the turning direction which is a reverse side of the shoulder restriction side of the three-point-type seat belt by comparing with the circumstance that the turning direction which is the shoulder restriction side of the three-point-type seat belt.
Description
Technical field
The utility model relates to a kind of vehicle seat belt controller, the tension force of 3 point seat belts of its control setting on the seat of vehicle.
Background technology
Current, for constraint passenger when colliding, on vehicles such as automobile, be equipped with seat belt apparatus or airbag apparatus etc.Wherein, for seat belt apparatus, because it also keeps retraining the passenger not only in when collision when cruising, so require to give passenger's failure-free restraint feeling corresponding to the motoring condition of vehicle.For satisfying this requirement, in patent documentation 1, an example of seat belt apparatus is disclosed, the tension force that it can the safety strap of independent control setting on driver's seat and the passenger's seat except that driver's seat.
Disclosed seat belt apparatus in the patent documentation 1, when car brakeing, the feasible tension force that puts on the safety strap of driver's seat passenger's seat in addition of control is greater than the tension force of the safety strap that puts on driver's seat.In addition, at Ackermann steer angle, the feasible tension force that puts on the safety strap of driver's seat of control is greater than the tension force of the safety strap that puts on passenger's seat.
In addition, disclosed seat belt apparatus carries out such control in patent documentation 1, promptly, when car brakeing, with safety strap, at Ackermann steer angle, with safety strap faster than the timing coiling driver's seat of the safety strap of passenger's seat faster than the timing coiling passenger seat of the safety strap of driver's seat.
And, in patent documentation 1, disclose, be provided with according to the turn direction of vehicle and the master mode of the safety strap at the seat, right side of control vehicle or seat, left side only, and when turning and the glancing impact adjustment put on the tension force of safety strap or reel regularly etc.
Patent documentation 1: No. the 3575475th, patent
Summary of the invention
Current widely used Vehicular safety belt device is so-called 3 point seat belt devices, and it is configured to, by 3 waist and right shoulder or left shoulders that retrain the passenger who takes.Specifically, on the seat that is disposed at the vehicle right side, prepare right shoulder constraint safety strap, it has with waist and right shoulder is the structure that the center retrains, be disposed on the seat of vehicle left side, prepare left side shoulder constraint safety strap, it has with waist and left shoulder is the structure that the center retrains.
Therefore, under for right side shoulder constraint safety strap and these two situation about controlling equally of left side shoulder constraint safety strap, may act on passenger's transverse load, not have suitable fixedly sense with respect to Ackermann steer angle.That is to say, if for right side shoulder constraint safety strap and left side shoulder constraint safety strap these two, carry out same control at Ackermann steer angle, then have the coiling that carries out safety strap with unsuitable opportunity, bring the problem of sense of discomfort to the passenger.
For example, when the vehicle right-hand corner, to the passenger act on left to centnifugal force, passenger's health direction left moves.Therefore, under this situation, to have prepared with right shoulder be passenger on the seat of the right side shoulder constraint safety strap that retrains of center for being sitting in, can access suitable binding effect, to have prepared with left shoulder be passenger on the seat of the left side shoulder constraint safety strap that retrains of center but for being sitting in, if carry out same seat belt winding action, then when safety strap is offset near head from passenger's left shoulder, powerful safety strap of reeling can touch passenger's head, brings sense of discomfort to the passenger.
Vehicle seat belt controller of the present utility model has control unit, its control tension adjustment unit, so that be under the situation of shoulder constraint side of 3 point seat belts in turn direction, with turn direction is that the situation of opposition side of the shoulder constraint side of 3 point seat belts is compared, and the constrained force of 3 point seat belts is bigger.
The vehicle seat belt controller that relates to according to the utility model, at Ackermann steer angle, to Vehicular occupant to the opposite side effect turning load of turn direction, but the passenger for being sitting on the seat of having prepared any one safety strap in right shoulder constraint safety strap and the left side shoulder constraint safety strap can both reduce sense of discomfort.
Description of drawings
Fig. 1 is the skeleton diagram of the seat belt apparatus shown in expression the utility model embodiment.
Fig. 2 is the right side shoulder constraint safety strap of expression Ackermann steer angle and the scheme drawing that the control example of constraint safety strap is takeed on a left side.
Fig. 3 is the diagram of circuit of an example of the expression control and treatment of being undertaken by seat belt apparatus.
The specific embodiment
The embodiment that constitutes as using the utility model describes seat belt apparatus shown in Figure 1 10 with reference to the accompanying drawings.Seat belt apparatus 10 is prerequisite on vehicles such as automobile to carry, and is arbitrarily as the kind of the automobile that carries object or purposes etc., can extensively be equipped on the vehicle commonly used.
In addition, in the following description, be assumed to the so-called right side that driver's seat is configured in the vehicle right side and put the bearing circle vehicle and describe, also can adopt same structure but put the bearing circle vehicle for the left side that driver's seat is configured in vehicle left side.In addition, because Fig. 1 is with the configuration from the state diagram seat of the forward observation of vehicle, so the left side is a driver's seat among the figure.
In addition, the form of control signal can be arbitrarily, for example, can adopt the structure according to the control signal control motor 13,14 of current value change, also can adopt the structure according to the control signal control motor 13,14 of magnitude of voltage change.In addition, driving electric that also can slave controller 15 direct output motors 13,14.
Lock part 13a, 14a are provided with in the mode that engages with the S. A. of electrical motor 13,14 respectively, control signal according to slave controller 15 outputs, the locking S. A., to stop or to restrain the rotation driving of the axial rotary coiling direction of electrical motor 13,14, restrain each safety strap 11,12 moving thus to coiling direction.
In addition, the form of control signal can be arbitrarily, for example, can adopt the control signal control lock part 13a according to the current value change, the structure of 14a, also can adopt control signal control lock part 13a, 14a structure according to the magnitude of voltage change.In addition, the driving electric of also can slave controller 15 directly exporting lock part 13a, 14a.
In addition, also can adopt electrical motor 13,14 double as is the structure of lock part 13a, 14a.That is to say, can adopt,, restrain the structure that safety strap moves to coiling direction by stopping or restraining the rotation driving of the axial rotary coiling direction of electrical motor 13,14 according to the control signal that comes self-controller 15.
In controller 15, as the turn direction detecting unit, be connected with the steering angle sensor 101 of the deflection angle that detects vehicle and the car speed sensor 102 of the speed that detects vehicle, according to by the steering angle signal of steering angle sensor 101 outputs and the vehicle speed signal of exporting by car speed sensor, judge whether vehicle is turning and turn direction.Controller 15 is at Ackermann steer angle, according to the constraint tectonic information that is stored in the memory device 16, export control signal independently to electrical motor 13,14, the coiling action of control safety strap 11,12, can control the tension force of safety strap thus, can apply and retrain the cooresponding constrained force of structure to the passenger.
Here, so-called tension force is the tensile load of safety strap.In addition, so-called constrained force is safety strap constraint passenger's a power.
If controller 15 is according to steering angle signal and vehicle speed signal, detect vehicle and be direction turning left, then by exporting control signals to electrical motor 13,14, as shown in Figure 2, the feasible winding tension Slh that is produced by the electrical motor 14 of left side shoulder constraint safety strap 12, the winding tension Srh that produces than the electrical motor 13 that is retrained safety strap 11 by right side shoulder is big.And, so that the coiling time T lh of left side shoulder constraint safety strap 12 carries out the control of turn inside diameter process safe tape wrapping than the short mode of coiling time T rh of right shoulder constraint safety strap 11.
In addition, detect vehicle under the situation that right is turned at controller 15, with on the contrary above-mentioned, by exporting control signals to electrical motor 13,14, the feasible winding tension Srh that is caused by the electrical motor 13 of right side shoulder constraint safety strap 11, the winding tension Slh that causes than the electrical motor 14 by left side shoulder constraint safety strap 12 is big.And, so that the coiling time T rh of right shoulder constraint safety strap 13 than the short mode of coiling time T lh of left side shoulder constraint safety strap 12, carries out the control of turn inside diameter process safe tape wrapping.
Below, an example for the concrete control of the seat belt apparatus 10 that constitutes in the above described manner describes with reference to diagram of circuit shown in Figure 3.
This seat belt apparatus 10 at first utilizes controller 15 when vehicle ', according to steering angle signal and vehicle speed signal, judge whether vehicle turns, and thus, judges the coiling action control (step S1) that whether begins safety strap.Under the situation of this result of determination for the control of beginning coiling action, make to handle to enter step S2, under the situation that does not begin coiling action control, end process.
In addition, seat belt apparatus 10 with specific time at interval, carries out processing shown in Figure 3, i.e. processing from step S1 to step S12 constantly in the vehicle ' process.
In step S2, controller 15 detects steering angle signal and vehicle speed signal, judges whether vehicle is carrying out right-hand corner., making to handle to enter step S4 for to carry out under the situation of right-hand corner in this result of determination, be not under the situation of turning right, and makes to handle to enter step S3.
In step S4, controller 15 is according to steering angle signal and vehicle speed signal, and the target winding tension Srh that right side shoulder is retrained safety strap 11 is set at 60N (newton), and the target Trh time of advent that will reach the target winding tension is set at 300msec.Then, in step S5, controller 15 is according to steering angle signal and vehicle speed signal, and the target winding tension Slh that left side shoulder is retrained safety strap 12 is set at 40N, and the target Slh time of advent that will reach the target winding tension is set at 700msec.
On the other hand, in step S3, controller 15 judges according to steering angle signal and vehicle speed signal whether vehicle is carrying out turnon left., making to handle to enter step S6 for to carry out under the situation of turnon left in this result of determination, be not to carry out under the situation of turnon left, makes to handle to enter step S8.
In step S6, controller 15 is according to steering angle signal and vehicle speed signal, and the target winding tension Slh that left side shoulder is retrained safety strap 12 is set at 60N, and the target Tlh time of advent that will reach the target winding tension is set at 300msec.Then, in step S7, controller 15 is according to steering angle signal and vehicle speed signal, and the target winding tension Srh that right side shoulder is retrained safety strap 11 is set at 40N, and the target Srh time of advent that will reach the target winding tension is set at 700msec.
In addition, result of determination in step S3 is for judging that vehicle is not to carry out under the situation of turnon left, promptly both there be not right-hand corner not have under the situation of turnon left at vehicle yet, as the situation that produces certain system exception, according to predefined initial value, these two is controlled to right side shoulder constraint safety strap 11 and left side shoulder constraint safety strap 12.
Under this situation, in step S8, controller 15 is 50N with the target winding tension Slh of left side shoulder constraint safety strap 12, and the target Tlh time of advent that will reach the target winding tension is set at 500msec.Then, in step S9, controller 15 is set at 50N with the target winding tension Srh of right side shoulder constraint safety strap 11, and the target Trh time of advent that will reach the target winding tension is set at 500msec.
After any is handled in above-mentioned steps S5, step S7 and step S9, in step S10, controller 15 is by exporting control signals to electrical motor 13,14, so that the target of setting in processing before reached the mode of target winding tension before the time of advent, control motor 13,14 begins to be disposed at the coiling control of the safety strap 11,12 on each seat.
Then, in step S11, controller 15 judges according to steering angle signal and vehicle speed signal whether the condition of the coiling releasing of carrying out safety strap is set up.In this result of determination is under the coiling condition subsequent situation about not setting up, and continues the determination processing of step S11, under the situation that the coiling condition subsequent is set up, makes to handle to enter step S12.In addition, the coiling condition subsequent is predefined rated condition, for example, finish to turn and becomes under the situation that straight-line travelling state or vehicle be less than or equal to specified speed and set up at vehicle.
In step S12, controller 15 is to the control signal of the coiling action of electrical motor 13,14 output releasing safety strap, end process.
As mentioned above, seat belt controller 10, for 3 point seat belts 11 that on the seat that is arranged on the vehicle, are provided with respectively, 12, with expression is to be that the constraint tectonic information of the structure (being right shoulder constraint safety strap or left side shoulder constraint safety strap) that retrains of center is stored in the memory device 16 in advance with which side in right side shoulder or the left side shoulder, according to this constraint tectonic information, at Ackermann steer angle control carrying out safety strap 11, the electrical motor 13 of 12 the coiling action and the releasing action of reeling, 14, thus, to have with right side shoulder be the right side shoulder constraint safety strap 11 of the structure that retrains of center in independent control, with having with left side shoulder is the coiling action of the left side shoulder constraint safety strap 12 of the structure that retrains of center.
At Ackermann steer angle, for the passenger on each seat, the turning loading is in a side opposite with turn direction, but by controlling with the mode of left side shoulder constraint safety strap 12 cooresponding coiling actions to carry out retraining safety strap 11 with right shoulder, the fixedly sense that can all produce appropriateness to the passenger who rides on any seat that safety strap is installed can reduce sense of discomfort.
Specifically, at Ackermann steer angle, because making turn direction is the tension force that retrains the safety strap of the opposite side of side with shoulder, less than turn direction is the safety strap of shoulder constraint side, so for needs more firm restraint feelings, installed turn direction for the passenger of the safety strap of the opposite side of shoulder constraint side, can give firm fixedly sense, for turn direction has been installed is the passenger who retrains the safety strap of the opposite side of side with shoulder, can reduce owing to safety strap contacts the sense of discomfort that produces with this passenger's head.
In addition, because turn direction is and the tension force of the safety strap of the opposite side of shoulder constraint side, the tension force of the safety strap during than straight-line travelling is big, so more firm restraint feeling can apply than straight-line travelling the time.
And because controller is according to steering angle signal and vehicle speed signal, the target winding tension of computing safety strap carries out safety strap control, so can be to reel with deflection angle and the corresponding winding tension of the speed of a motor vehicle.
And, because controller is according to steering angle signal and vehicle speed signal, the coiling time of computing safety strap, making turn direction is motor action time of safety strap of an opposite side of shoulder constraint side, than turn direction is the safe belt length of shoulder constraint side, so, can further reduce owing to safety strap contacts the sense of discomfort that produces with this passenger's head for the passenger of safety strap that turn direction is an opposite side of shoulder constraint side has been installed.
In addition, also can finish simultaneous mode and carry out computing, can just in time obtaining optimal constrained force in the big position of camber to reel.
In addition, in description of the present embodiment, for these two example that carries out the situation of variable control is illustrated to winding tension and coiling time, but also can with above-mentioned some in the time of winding tension and coiling of similarly only controlling.
That is to say, also can make winding tension constant, according to coiling steering angle signal and vehicle speed signal, the coiling time of computing safety strap, making turn direction is opening time of electrical motor of safety strap of an opposite side of shoulder constraint side, is the safe belt length of shoulder constraint side than steering direction.Under this situation, do not need the computing and the control of tension force.
In addition, also can so that the coiling time constant, according to the winding tension of coiling steering angle signal and vehicle speed signal computing safety strap.Under this situation, do not need computing and the control of the time of reeling.
In addition, illustrate example under the situation that memory device and controller independently be provided with.Thus, even on the vehicle of the different safety strap in the position that is provided with the constraint shoulder, also can control by 1 controller is set.In addition, also can adopt and to retrain tectonic information and be stored in the structure that is located in the various memory devices of controller in-to-in.
In addition, can adopt the structure that 1 controller is set in the identical safety strap in the position of constraint shoulder.Under this situation, because connect the safety strap of same controller, the constraint information of its shoulder is identical, so do not need to be provided with the memory device of storage constraint information.
And, use steering angle sensor, car speed sensor in order to detect turn direction.Therefore, can carry out the Tension Control of safety strap based on the deflection angle and the speed of a motor vehicle accurately.
And, in order to adjust the tension force of safety strap, use coiling that carries out safety strap and the electrical motor of reeling and removing.Therefore, can utilize the known electric motor of middle uses such as preloader to carry out the control of harness tension, thereby can reduce cost.
And, in order to adjust the tension force of safety strap, use and restrain the lock part that move of safety strap to coiling direction.Therefore, delay under the situation of closing safety strap etc., as long as the control lock part just can obtain optimal safety strap restraint feeling.
Claims (9)
1. vehicle seat belt controller, its control setting is characterized in that having at the tension force of 3 point seat belts of shoulder of one side on the vehicle and about constraint and left and right sides waist:
The tension adjustment unit, it adjusts the tension force of aforementioned safety strap;
The turn direction detecting unit, it detects its turn direction when aforementioned vehicle is turned; And
Control unit, it controls aforementioned tension adjustment unit,
This control unit is controlled aforementioned tension adjustment unit, so that be under the situation of opposition side of shoulder constraint side of aforementioned 3 point seat belts in aforementioned turn direction, with aforementioned turn direction is that the situation of the shoulder constraint side of aforementioned 3 point seat belts is compared, and the constrained force of aforementioned 3 point seat belts is littler.
2. vehicle seat belt controller as claimed in claim 1 is characterized in that,
Aforementioned control unit is controlled aforementioned tension adjustment unit, so that be under the situation of shoulder constraint side of aforementioned 3 point seat belts in aforementioned turn direction, and the constrained force of the constrained force of aforementioned 3 point seat belts during more than or equal to the aforementioned vehicle straight-line travelling.
3. vehicle seat belt controller as claimed in claim 1 is characterized in that,
Aforementioned control unit is controlled aforementioned tension adjustment unit, so that be under the opposition side situation of shoulder constraint side of aforementioned 3 point seat belts in aforementioned turn direction, and the constrained force of the constrained force of aforementioned 3 point seat belts during more than or equal to the aforementioned vehicle straight-line travelling.
4. vehicle seat belt controller as claimed in claim 1 is characterized in that,
Aforementioned control unit is controlled aforementioned tension adjustment unit, so that be under the situation of opposition side of shoulder constraint side of aforementioned 3 point seat belts in aforementioned turn direction, with aforementioned turn direction is that the situation of the shoulder constraint side of aforementioned 3 point seat belts is compared, and the opening time of aforementioned tension adjustment unit is longer.
5. vehicle seat belt controller as claimed in claim 1 is characterized in that,
Memory cell with storage constraint tectonic information, this constraint tectonic information represent that aforementioned 3 point seat belts are which the structures during take on the right side shoulder of constraint Vehicular occupant and a left side.
6. vehicle seat belt controller as claimed in claim 1 is characterized in that,
Aforementioned turn direction detecting unit has steering angle sensor and the car speed sensor that detects the deflection angle of aforementioned vehicle when aforementioned vehicle is turned.
7. vehicle seat belt controller as claimed in claim 1 is characterized in that,
Aforementioned tension adjustment unit has the coiling action that carries out aforementioned 3 point seat belts and reels and remove the winder unit of action.
8. vehicle seat belt controller as claimed in claim 1 is characterized in that,
Aforementioned tension adjustment unit has restrains the locking unit that aforementioned 3 point seat belts move to coiling direction.
9. vehicle seat belt controller, its control setting are on vehicle and the tension force of 3 point seat belts of constraint passenger's shoulder and left and right sides waist is characterized in that having:
Electrical motor, it adjusts the tension force of aforementioned safety strap;
Controller, it controls this electrical motor; And
Sensor when it is turned in aforementioned vehicle, detects its turn direction,
Aforementioned controller control aforementioned electric motivation, so that be under the situation of opposition side of shoulder constraint side of aforementioned 3 point seat belts in aforementioned turn direction, with aforementioned turn direction is that the situation of the shoulder constraint side of aforementioned 3 point seat belts is compared, and the constrained force of aforementioned safety strap is bigger.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006005106 | 2006-01-12 | ||
| JP2006005106 | 2006-01-12 | ||
| JP2007002207 | 2007-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201089436Y true CN201089436Y (en) | 2008-07-23 |
Family
ID=38258062
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710000592 Pending CN100999208A (en) | 2006-01-12 | 2007-01-12 | Vehicle seat belt controller |
| CNU2007200008028U Expired - Lifetime CN201089436Y (en) | 2006-01-12 | 2007-01-12 | Automobile safety band control device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710000592 Pending CN100999208A (en) | 2006-01-12 | 2007-01-12 | Vehicle seat belt controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN100999208A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774743B (en) * | 2016-03-29 | 2018-03-23 | 长安大学 | A kind of control method of safety belt for vehicle control system |
| CN108099840A (en) * | 2017-12-26 | 2018-06-01 | 宁波江北珂达汽车技术有限公司 | A kind of car belt monitors speed control method |
-
2007
- 2007-01-12 CN CN 200710000592 patent/CN100999208A/en active Pending
- 2007-01-12 CN CNU2007200008028U patent/CN201089436Y/en not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| CN100999208A (en) | 2007-07-18 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080723 |
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| EXPY | Termination of patent right or utility model |