CN113147650B - Automobile auxiliary supporting system and method - Google Patents
Automobile auxiliary supporting system and method Download PDFInfo
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- CN113147650B CN113147650B CN202110630898.0A CN202110630898A CN113147650B CN 113147650 B CN113147650 B CN 113147650B CN 202110630898 A CN202110630898 A CN 202110630898A CN 113147650 B CN113147650 B CN 113147650B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/0153—Passenger detection systems using field detection presence sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01211—Expansion of air bags
- B60R2021/01218—Expansion of air bags control of expansion speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R2021/0206—Self-supporting restraint systems, e.g. restraining arms, plates or the like
- B60R2021/022—Self-supporting restraint systems, e.g. restraining arms, plates or the like mounted on seats
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Air Bags (AREA)
Abstract
The invention relates to the technical field of automobile auxiliary driving, in particular to an automobile pneumatic auxiliary supporting system and method, wherein the automobile auxiliary pneumatic supporting system comprises: a seat body; at least one air bag disposed above the seat body; the detection unit is used for detecting the current running state of the vehicle and forming a detection signal output in the state of acquiring the characteristic signal; and the control unit forms a control signal according to the detection signal, and the air bag executes the action matched with the control signal.
Description
Technical Field
The invention relates to the technical field of automobile auxiliary driving, in particular to an automobile auxiliary supporting system and method.
Background
When a vehicle turns, a driver or a passenger falls down along the outer side of the turning direction, and in order to keep the sitting posture stable, the human body needs to overcome the centrifugal force generated in the turning process of the vehicle through self-effort or external force, and if the vehicle door is not tightly closed, the centrifugal force can throw the passenger out of the vehicle, so that a serious result is caused. To this end, chinese patent application No. 96229859 discloses an automobile seat capable of automatically providing centripetal acceleration, which includes a seat cushion, a backrest, a slide rail and the like for moving the seat back and forth, wherein two arc-shaped guide rails are installed side by side below the seat cushion, so that the seat can slide along the arc-shaped guide rails under the action of centrifugal force when the automobile turns, thereby automatically providing a proper centripetal acceleration for a rider. The whole chair is connected with the arc-shaped guide rail through four supporting guide wheels, and the contact surface of the chair is V-shaped. Automatic safety buckles are arranged at two ends of the arc-shaped guide rail. However, this method requires adjustment of the vehicle seat, and compatibility is relatively poor.
Disclosure of Invention
Based on the above distinguishing technical defects, the invention provides an automobile auxiliary supporting system and method. Specifically, the method comprises the following steps:
in one aspect, the present application discloses a vehicle auxiliary support system, wherein, includes:
a seat body;
at least one air bag disposed above the seat body;
the detection unit is used for detecting the current running state of the vehicle and forming a detection signal output in the state of acquiring the characteristic signal;
and the control unit forms a control signal according to the detection signal, and the air bag executes the action matched with the control signal.
Preferably, in the auxiliary supporting system for a vehicle, the detection signal at least includes a current vehicle turning angle and a vehicle driving speed.
Preferably, the above-mentioned auxiliary supporting system for a vehicle, wherein the forming a control signal according to the detection signal comprises:
forming a first parameter according to a first preset algorithm according to the turning angle of the current vehicle displacement and the vehicle running speed,
acquiring the inflation time of the air bag according to the first parameter;
forming the control signal according to the inflation time;
wherein the first predetermined algorithm is:
wherein m is the weight of the driver and the passengers; v is the running speed of the vehicle; β is the vehicle turning angle; l is the length of the vehicle; f is a first parameter.
Preferably, the above auxiliary support system for a vehicle, obtaining the inflation time of the airbag according to the first parameter specifically includes:
acquiring a time parameter matched with the first parameter in a preset parameter set according to the first parameter;
and forming the inflation time according to the time parameter.
Preferably, in an auxiliary supporting system for a vehicle as described above, the predetermined parameter set includes:
wherein F is the first parameter, F2 is the second parameter, F3 is the third parameter, F4 is the fourth parameter, T is the time parameter, wherein the second parameter, the third parameter and the fourth parameter are respectively the parameters which are set based on the vehicle state under different speed states.
Preferably, in the above-mentioned auxiliary supporting system for a vehicle, the control unit includes:
the controller forms a control signal according to the detection signal;
the control valve is controlled to work in an opening state under the action of the control signal;
the air pump is used for generating compressed air to be transmitted and transmitting the compressed air to the air bin;
and the air bin is connected between the air pump and the control valve, and inflates the air bag when the control valve works in an opening state.
Preferably, the auxiliary supporting system for the automobile further comprises a seat foam, and the control unit is arranged inside the seat foam.
On the other hand, the present application further discloses an auxiliary supporting method for an automobile, wherein: comprises that
Forming a first parameter according to a first preset algorithm according to the turning angle of the current vehicle displacement and the vehicle running speed,
acquiring the inflation time of the air bag according to the first parameter;
forming the control signal according to the inflation time;
the first predetermined algorithm is:
where m is the weight of the occupant, V is the driving speed of the vehicle, β is the angle at which the vehicle turns, L is the length of the vehicle, and F is the first parameter.
Preferably, the above algorithm for assisting in supporting the vehicle, wherein the obtaining the inflation time of the airbag according to the first parameter specifically includes:
acquiring a time parameter matched with the first parameter in a preset parameter set according to the first parameter;
and forming the inflation time according to the time parameter.
Preferably, the above-mentioned vehicle auxiliary support algorithm, wherein the predetermined parameter set includes:
wherein F is the first parameter, F2 is the second parameter, F3 is the third parameter, F4 is the fourth parameter, T is the time parameter, wherein the second parameter, the third parameter and the fourth parameter are respectively the parameters which are set based on the vehicle state under different speed states.
Compared with the prior art, the invention has the advantages that:
the method comprises the steps of collecting the driving state of a vehicle and the weight of a driver and a passenger, and determining the time of each inflation according to the driving state and the weight of the driver and the passenger. Under the condition that the driving angle of the vehicle is changed, the air bag provides supporting force for resisting centrifugal force for the driver and passengers, so that the driver and passengers are ensured to be in a stable state when turning, and the riding experience of a user is improved. In addition, the control unit and other devices are arranged in the seat body, other installation programs of the seat are not influenced, and the seat is compatible with any vehicle.
Drawings
FIG. 1 is a schematic structural diagram of an auxiliary support system for a vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an auxiliary supporting system of an automobile according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example one
As shown in fig. 1 to 2, in one aspect, the present application discloses an auxiliary supporting system for a vehicle, which includes:
a seat body 1;
at least one air bag 11 disposed above the seat body 1;
the detection unit is used for detecting the current running state of the vehicle and forming a detection signal output in the state of acquiring the characteristic signal; further, the detection signal at least includes a current vehicle turning angle and a vehicle running speed. The detection unit may be an independent detection unit or a detection unit inside the vehicle. The detection unit is arranged at the middle position of the rear seat, the centrifugal force at the middle position is larger than that at the front row of the vehicle, and the safety of the first parameter formed by the detection signal is relatively higher. By adopting the detection device built in the vehicle, if the detection device acquires corresponding acquisition signals only through the wheel direction, the acquisition signals can be directly adopted to form detection signals, and the acquired acquisition data can be processed to form a detection signal, for example, the acquisition data is weighted. The concrete can be determined according to actual conditions.
A control unit for forming a control signal according to the detection signal, the air bag performing an action matched with the control signal, the control unit comprising:
the controller forms a control signal according to the detection signal;
the control valve 2 controls the control valve to work in an opening state under the action of the control signal;
and the air bin 3 is connected between the air pump 4 and the control valve 2, and when the control valve 2 works in an opening state, the air bin 3 inflates the air bag 11.
The air pump 4 is used for generating compressed air to be transmitted and transmitting the compressed air to the air bin 3.
Still include seat foam 5, control valve 2, gas storehouse 3, air pump 4 set up in inside the seat foam.
The control unit forming a control signal according to the detection signal specifically comprises forming a first parameter according to a turning angle of the current vehicle displacement and the vehicle running speed according to a first preset algorithm,
wherein the first predetermined algorithm is:
wherein m is the weight of the driver and the passengers; v is the running speed of the vehicle; β is the angle at which the vehicle is turning; l is the length of the vehicle; f is a first parameter;
acquiring the inflation time of the air bag according to the first parameter; specifically, the method comprises the steps of acquiring a time parameter matched with the first parameter in a preset parameter set according to the first parameter;
and forming the inflation time according to the time parameter.
The predetermined set of parameters includes:
wherein F is the first parameter; f2 is a second parameter; f3 is a third parameter; f4 is a fourth parameter; t is a time parameter.
The parameter settings of the F2, F3 and F4 are related to the vehicle, and can be set according to specific situations in the practical application process. For example, F2 is the parameters corresponding to the vehicle when the vehicle runs for 20km/h, the weight of the driver and the passenger is 80kg, and the turning angle is 90 degrees, and F3 is the parameters corresponding to the vehicle when the vehicle runs for 25km/h, the weight of the driver and the passenger is 80kg, and the turning angle is 90 degrees. F4 is the corresponding parameters of the vehicle when the vehicle runs for 45km/h, the weight of the driver and the passenger is 80kg, and the turning angle is 90 degrees.
The inflation time was 2 seconds in a state where the first parameter was smaller than the second parameter, and [ F-F2)/(F3-F2) +2 ] seconds in a state where the first parameter was not smaller than the second parameter and smaller than the third parameter, and [ T =2 ] (F-F3)/(F4-F3) +3 ] seconds in a state where the first parameter was not smaller than the third parameter and smaller than the fourth parameter.
Forming the control signal according to the inflation time.
It should be noted that, on the same vehicle, the window portions of the front seat and the rear seat are respectively provided with corresponding air bags, the inflation speed of each air bag can be different, and the inflation speed matched with the body weight can be determined according to the actual body weights of different passengers.
In the method, the time of each inflation is determined according to the driving state and the weight of a driver and a passenger by acquiring the driving state of the vehicle and the weight of the driver and the passenger. Under the condition that the driving angle of the vehicle is changed, the air bag provides a supporting force for resisting centrifugal force for drivers and passengers, so that the drivers and passengers are ensured to be in a stable state when the vehicle turns, and the riding experience of a user is improved. In addition, the control unit and other devices are arranged in the seat body, other installation programs of the seat are not influenced, and the seat is compatible with any vehicle.
Example two
On the other hand, the present application further discloses an auxiliary supporting method for an automobile, wherein: comprises that
Step S110, forming a first parameter according to a turning angle of the current vehicle displacement and the vehicle running speed according to a first preset algorithm, wherein the first preset algorithm is as follows:
m is the weight of the driver and the passengers; v is the running speed of the vehicle; β is the angle at which the vehicle is turning; l is the length of the vehicle; f is a first parameter.
Step S120, acquiring the inflation time of the air bag according to the first parameter; the method specifically comprises the following steps:
step S1201, acquiring a time parameter matched with the first parameter in a preset parameter set according to the first parameter; the predetermined set of parameters includes:
wherein F is the first parameter; f2 is a second parameter; f3 is a third parameter;
f4 is a fourth parameter; t is a time parameter.
And step S1202, forming the inflation time according to the time parameter.
Step S130, forming the control signal according to the inflation time;
the parameter settings of the above-mentioned F2, F3 and F4 are related to the vehicle itself, and can be set according to specific situations in the practical application process. For example, F2 is the parameters corresponding to the vehicle when the vehicle runs for 20km/h, the weight of the driver and the passenger is 80kg, and the turning angle is 90 degrees, and F3 is the parameters corresponding to the vehicle when the vehicle runs for 25km/h, the weight of the driver and the passenger is 80kg, and the turning angle is 90 degrees. F4 is the corresponding parameters of the vehicle when the vehicle runs for 45km/h, the weight of the driver and the passenger is 80kg, and the turning angle is 90 degrees.
The inflation time was 2 seconds in a state where the first parameter was smaller than the second parameter, and [ F-F2)/(F3-F2) +2 ] seconds in a state where the first parameter was not smaller than the second parameter and smaller than the third parameter, and [ T =2 ] (F-F3)/(F4-F3) +3 ] seconds in a state where the first parameter was not smaller than the third parameter and smaller than the fourth parameter.
It should be noted that, on the same vehicle, the window portions of the front seat and the rear seat are respectively provided with corresponding air bags, the inflation speed of each air bag can be different, and the inflation speed matched with the body weight can be determined according to the actual body weights of different passengers.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An automotive auxiliary support system, comprising:
a seat body;
at least one air bag disposed above the seat body;
the detection unit is used for detecting the current running state of the vehicle and forming a detection signal output in the state of acquiring the characteristic signal; wherein the detection signal at least comprises the current vehicle turning angle and the vehicle running speed
The control unit forms a control signal according to the detection signal, and the air bag executes an action matched with the control signal, and the control unit specifically comprises:
forming a control signal according to the detection signal includes:
forming a first parameter according to a first preset algorithm according to the turning angle of the current vehicle displacement and the vehicle running speed,
acquiring the inflation time of the air bag according to the first parameter, and specifically acquiring a time parameter matched with the first parameter in a preset parameter set according to the first parameter; forming the inflation time according to the time parameter;
forming the control signal according to the inflation time;
wherein the first predetermined algorithm is:
wherein m is a weight of the occupant, V is a traveling speed of the vehicle, β is a vehicle turning angle, L is a length of the vehicle, and F is the first parameter, and the predetermined parameter set includes:
wherein F is the first parameter, F2 is the second parameter, F3 is the third parameter, F4 is the fourth parameter, T is the time parameter, wherein the second parameter, the third parameter and the fourth parameter are respectively the parameters which are set based on the vehicle state under different speed states.
2. The auxiliary support system for a vehicle of claim 1, wherein said control unit comprises:
the controller forms a control signal according to the detection signal;
the control valve is controlled to work in an opening state under the action of the control signal;
the air pump is used for generating compressed air to be transmitted and transmitting the compressed air to the micro air bin,
and the micro air bin is connected between the air pump and the control valve, and inflates the air bag when the control valve 0 works in an opening state.
3. The auxiliary support system for a vehicle of claim 1, further comprising a seat foam, wherein said control unit is disposed within said seat foam.
4. An automobile auxiliary supporting method is characterized in that: comprises that
Forming a first parameter according to a first preset algorithm according to the turning angle of the current vehicle displacement and the vehicle running speed,
acquiring the inflation time of the air bag according to the first parameter;
forming a control signal according to the inflation time;
the first predetermined algorithm is:
wherein m is the weight of the driver and the passengers, V is the running speed of the vehicle, beta is the turning angle of the vehicle, L is the length of the vehicle, and F is a first parameter;
wherein, acquiring the inflation time of the airbag according to the first parameter specifically comprises:
acquiring a time parameter matched with the first parameter in a preset parameter set according to the first parameter;
forming the inflation time according to the time parameter; the predetermined set of parameters includes:
wherein F is the first parameter, F2 is the second parameter, F3 is the third parameter, F4 is the fourth parameter, T is the time parameter, wherein the second parameter, the third parameter and the fourth parameter are respectively the parameters which are set based on the vehicle state under different speed states.
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| CN114604148B (en) * | 2022-04-20 | 2023-01-10 | 中国第一汽车股份有限公司 | Seat adjusting method and device, vehicle-mounted terminal, vehicle and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519649A (en) * | 2020-11-25 | 2021-03-19 | 深圳网联汽车信息服务有限公司 | Vehicle seat massage system, vehicle seat and control method |
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| GB2310303B (en) * | 1996-02-13 | 1999-07-28 | Autoliv Dev | Improvements in or relating to a crash detector arrangement |
| CN101734180B (en) * | 2008-11-25 | 2012-07-04 | 全兴工业股份有限公司 | Auxiliary supporting system of vehicle seat airbags |
| CN102582400B (en) * | 2012-02-28 | 2014-08-06 | 浙江吉利汽车研究院有限公司 | Anti-collision head device of automobile door and anti-collision method thereof |
| CN204210419U (en) * | 2014-10-15 | 2015-03-18 | 中国汽车技术研究中心 | A kind of air bag gas generator of adjustable inflatable amount |
| CN106891782B (en) * | 2015-12-18 | 2019-12-03 | 上海汽车集团股份有限公司 | The method and device of chair control |
| JP7228982B2 (en) * | 2018-09-26 | 2023-02-27 | 株式会社Subaru | vehicle occupant protection system |
| CN111559290B (en) * | 2020-04-29 | 2022-06-10 | 延锋汽车饰件系统有限公司 | Self-adaptive adjusting method, system, equipment and storage medium of automobile seat |
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| CN112519649A (en) * | 2020-11-25 | 2021-03-19 | 深圳网联汽车信息服务有限公司 | Vehicle seat massage system, vehicle seat and control method |
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