CN105480184A - Protection mechanism for lateral impact of vehicle and control method thereof - Google Patents

Protection mechanism for lateral impact of vehicle and control method thereof Download PDF

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Publication number
CN105480184A
CN105480184A CN201510996396.4A CN201510996396A CN105480184A CN 105480184 A CN105480184 A CN 105480184A CN 201510996396 A CN201510996396 A CN 201510996396A CN 105480184 A CN105480184 A CN 105480184A
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CN
China
Prior art keywords
automobile
oil spout
oil
oil injection
master cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510996396.4A
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Chinese (zh)
Inventor
李想
赵超凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing University of Aeronautics and Astronautics filed Critical Nanjing University of Aeronautics and Astronautics
Priority to CN201510996396.4A priority Critical patent/CN105480184A/en
Publication of CN105480184A publication Critical patent/CN105480184A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013Electrical 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 collisions, impending collisions or roll-over
    • B60R21/0134Electrical 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 collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013Electrical 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 collisions, impending collisions or roll-over
    • B60R21/0132Electrical 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 collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Vehicle Body Suspensions (AREA)
  • Traffic Control Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

The invention discloses a protection mechanism for lateral impact of a vehicle and a control method thereof. The protection mechanism comprises a first radar speed sensor, a second radar speed sensor, a first range sensor, a second range sensor, an ECU, first to eighth oil injection mechanisms, an oil injection driving motor, an oil injection master cylinder and an oil storage cup, wherein the first to eighth oil injection mechanisms are respectively arranged at two sides of four tires of the vehicle, and each oil injection mechanism comprises an oil injection common rail connected with the outlet of an oil injection master cylinder piston through a solenoid valve; the oil injection common rail is provided with a plurality of nozzles for injecting oil to the ground beside the tires of the vehicle; the oil injection driving motor is connected with the oil injection master cylinder piston through a screw rod; and an outlet of the oil storage cup is connected with an inlet above the oil injection master cylinder. During working, whether the lateral impact occurs or not is judged according to the measured data of the first and second radar speed sensors and the first and second range sensors, and if the lateral impact occurs, the oil injection driving motor and the solenoid valve of the corresponding oil injection mechanism are controlled to work.

Description

The protection mechanism that a kind of automobile side angle clashes into and control method thereof
Technical field
The present invention relates to automobile dynamic quality field, particularly relate to protection mechanism and the control method thereof of a kind of automobile side angle shock.
Background technology
Automobile side angle is the weak district of clashing into always; automobile frontal impact automobile side and cause the case of car crash a lot; and it is very few about the research of automobile side angle crash safety both at home and abroad; only have the research about anti-collision early warning of minority, driver safety and the effect alleviating impact are protected in can not be real play lateral impact.Herein based on the method reducing vehicle tyre side force when impacting, cushion the impact of outer bound pair automobile side angle.And provide lateral reaction owing to reducing ground, reduce the tendency of vehicle rollover.
Summary of the invention
Technical matters to be solved by this invention is for defect involved in background technology, the protection mechanism providing a kind of automobile side angle to clash into and control method thereof.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
The protection mechanism that automobile side angle clashes into, comprises the first to the second radar speed sensor, the first to second distance sensor, ECU, the first to the 8th oil injection mechanism, oil spout drive motor, oil spout master cylinder and oil storage cup;
Described the first to the second radar speed sensor is separately positioned on automobile both sides, for the velocity magnitude that measured automobiles side direction is sent a car, and is passed to described ECU;
Described the first to second distance sensor is separately positioned on automobile both sides, sends a car and distance between automobile, and passed to described ECU for measured automobiles side direction;
Described first to the 8th oil injection mechanism is separately positioned on the both sides of automobile four tires, all comprises one and exports with described oil spout master cylinder piston the oil spout common rail be connected by electromagnetic valve;
Described oil spout common rail is provided with some for the nozzle towards oil spout on the other ground of motor tire;
Described oil spout drive motor is connected with oil spout master cylinder piston by screw mandrel;
The outlet of described oil storage cup is connected with the entrance above described oil spout master cylinder, for giving described oil spout master cylinder fuel feeding;
Described oil spout drive motor, oil spout master cylinder are all rigidly connected with vehicle frame;
Described ECU is connected with the first to the second radar speed sensor, the first to second distance sensor, the electromagnetic valve of the first to the 8th oil injection mechanism, oil spout drive motor respectively, for controlling the electromagnetic valve work of oil spout drive motor and the first to the 8th oil injection mechanism according to the take off data of the first to the second radar speed sensor, the first to second distance sensor.
As the further prioritization scheme of protection mechanism that a kind of automobile side angle of the present invention clashes into, the quantity of described oil spout common rail top nozzle is 4.
The invention also discloses a kind of control method of the protection mechanism clashed into based on this automobile side angle, comprise following steps:
Step 1), the velocity magnitude of being sent a car by the first to the second radar speed sensor acquisition automobile side angle;
Step 2), obtain automobile side angle by the first to second distance sensor and send a car and distance between automobile;
Step 3), the speed of side direction being sent a car compares with the threshold speed preset, and side direction is sent a car and distance between automobile and predeterminable range threshold value compare simultaneously;
Step 4), if the speed that side direction is sent a car is greater than default threshold speed, and side direction is sent a car and distance between automobile is less than default distance threshold;
Step 4.1), judge the lateral impact face of automobile;
Step 4.1.1), if the lateral impact face of automobile is left side, then open the electromagnetic valve of oil injection mechanism on the right side of automobile four tires, the electromagnetic valve on the left of closing automobile four tires;
Step 4.1.2), if the lateral impact face of automobile is right side, then open the electromagnetic valve of oil injection mechanism on the left of automobile four tires, the electromagnetic valve on the right side of closing automobile four tires;
Step 4.2), control the work of oil spout drive motor, drive screw mandrel compressing oil spout master cylinder, the oil pressure in the oil spout common rail that electromagnetic valve is opened raises, and nozzle carries out oil spout.
The further prioritization scheme of control method as the protection mechanism clashed into based on this automobile side angle, described default threshold speed is 10km/h, and described predeterminable range threshold value is 5cm.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1. be the acceleration/accel consumption of automobile by the Conversion of Energy of foreign impacts, the distortion of less vehicle body, and without the lateral impact improved, impact energy major part is converted into the sex change energy of vehicle body, seriously vehicle body can be pulverized, and vehicle gross distortion will cause great injury to occupant;
2. be not only applicable to lateral impact, also may be used for slowing down vehicle frontal simultaneously and impact;
3., while reduction is by lateral impact, reduce the tendency of vehicle rollover.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of the protection mechanism that the automobile side angle on single wheel clashes into;
Fig. 2 is overall system structure schematic diagram of the present invention.
In figure, 1-oil storage cup, 2-oil spout drive motor, 3-wheel, 4-ground, 5-oil spout oil bundle, 6-nozzle, 7-oil spout common rail, 8-oil pipe, 9-electromagnetic valve, 10-oil spout master cylinder piston.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As depicted in figs. 1 and 2, the invention discloses the protection mechanism that a kind of automobile side angle clashes into, comprise the first to the second radar speed sensor, the first to second distance sensor, ECU, the first to the 8th oil injection mechanism, oil spout drive motor, oil spout master cylinder and oil storage cup;
Described the first to the second radar speed sensor is separately positioned on automobile both sides, for the velocity magnitude that measured automobiles side direction is sent a car, and is passed to described ECU;
Described the first to second distance sensor is separately positioned on automobile both sides, sends a car and distance between automobile, and passed to described ECU for measured automobiles side direction;
Described first to the 8th oil injection mechanism is separately positioned on the both sides of automobile four tires, all comprises one and exports with described oil spout master cylinder piston the oil spout common rail be connected by electromagnetic valve;
Described oil spout common rail is provided with some for the nozzle towards oil spout on the other ground of motor tire;
Described oil spout drive motor is connected with oil spout master cylinder piston by screw mandrel;
The outlet of described oil storage cup is connected with the entrance above described oil spout master cylinder, for giving described oil spout master cylinder fuel feeding;
Described oil spout drive motor, oil spout master cylinder are all rigidly connected with vehicle frame;
Described ECU is connected with the first to the second radar speed sensor, the first to second distance sensor, the electromagnetic valve of the first to the 8th oil injection mechanism, oil spout drive motor respectively, for controlling the electromagnetic valve work of oil spout drive motor and the first to the 8th oil injection mechanism according to the take off data of the first to the second radar speed sensor, the first to second distance sensor.
The quantity of described oil spout common rail top nozzle is 4.
The invention also discloses a kind of control method of the protection mechanism clashed into based on this automobile side angle, comprise following steps:
Step 1), the velocity magnitude of being sent a car by the first to the second radar speed sensor acquisition automobile side angle;
Step 2), obtain automobile side angle by the first to second distance sensor and send a car and distance between automobile;
Step 3), the speed of side direction being sent a car compares with the threshold speed preset, and side direction is sent a car and distance between automobile and predeterminable range threshold value compare simultaneously;
Step 4), if the speed that side direction is sent a car is greater than default threshold speed, and side direction is sent a car and distance between automobile is less than default distance threshold;
Step 4.1), judge the lateral impact face of automobile;
Step 4.1.1), if the lateral impact face of automobile is left side, then open the electromagnetic valve of oil injection mechanism on the right side of automobile four tires, the electromagnetic valve on the left of closing automobile four tires;
Step 4.1.2), if the lateral impact face of automobile is right side, then open the electromagnetic valve of oil injection mechanism on the left of automobile four tires, the electromagnetic valve on the right side of closing automobile four tires;
Step 4.2), control the work of oil spout drive motor, drive screw mandrel compressing oil spout master cylinder, the oil pressure in the oil spout common rail that electromagnetic valve is opened raises, and nozzle carries out oil spout.
Described default threshold speed is 10km/h, and described predeterminable range threshold value is 5cm.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (4)

1. a protection mechanism for automobile side angle shock, is characterized in that, comprise the first to the second radar speed sensor, the first to second distance sensor, ECU, the first to the 8th oil injection mechanism, oil spout drive motor, oil spout master cylinder and oil storage cup;
Described the first to the second radar speed sensor is separately positioned on automobile both sides, for the velocity magnitude that measured automobiles side direction is sent a car, and is passed to described ECU;
Described the first to second distance sensor is separately positioned on automobile both sides, sends a car and distance between automobile, and passed to described ECU for measured automobiles side direction;
Described first to the 8th oil injection mechanism is separately positioned on the both sides of automobile four tires, all comprises one and exports with described oil spout master cylinder piston the oil spout common rail be connected by electromagnetic valve;
Described oil spout common rail is provided with some for the nozzle towards oil spout on the other ground of motor tire;
Described oil spout drive motor is connected with oil spout master cylinder piston by screw mandrel;
The outlet of described oil storage cup is connected with the entrance above described oil spout master cylinder, for giving described oil spout master cylinder fuel feeding;
Described oil spout drive motor, oil spout master cylinder are all rigidly connected with vehicle frame;
Described ECU is connected with the first to the second radar speed sensor, the first to second distance sensor, the electromagnetic valve of the first to the 8th oil injection mechanism, oil spout drive motor respectively, for controlling the electromagnetic valve work of oil spout drive motor and the first to the 8th oil injection mechanism according to the take off data of the first to the second radar speed sensor, the first to second distance sensor.
2. the protection mechanism of automobile side angle shock according to claim 1, it is characterized in that, the quantity of described oil spout common rail top nozzle is 4.
3. the control method of the protection mechanism clashed into based on automobile side angle according to claim 1, is characterized in that, comprise following steps:
Step 1), the velocity magnitude of being sent a car by the first to the second radar speed sensor acquisition automobile side angle;
Step 2), obtain automobile side angle by the first to second distance sensor and send a car and distance between automobile;
Step 3), the speed of side direction being sent a car compares with the threshold speed preset, and side direction is sent a car and distance between automobile and predeterminable range threshold value compare simultaneously;
Step 4), if the speed that side direction is sent a car is greater than default threshold speed, and side direction is sent a car and distance between automobile is less than default distance threshold;
Step 4.1), judge the lateral impact face of automobile;
Step 4.1.1), if the lateral impact face of automobile is left side, then open the electromagnetic valve of oil injection mechanism on the right side of automobile four tires, the electromagnetic valve on the left of closing automobile four tires;
Step 4.1.2), if the lateral impact face of automobile is right side, then open the electromagnetic valve of oil injection mechanism on the left of automobile four tires, the electromagnetic valve on the right side of closing automobile four tires;
Step 4.2), control the work of oil spout drive motor, drive screw mandrel compressing oil spout master cylinder, the oil pressure in the oil spout common rail that electromagnetic valve is opened raises, and nozzle carries out oil spout.
4. the control method of the protection mechanism of automobile side angle shock according to claim 3, it is characterized in that, described default threshold speed is 10km/h, and described predeterminable range threshold value is 5cm.
CN201510996396.4A 2015-12-28 2015-12-28 Protection mechanism for lateral impact of vehicle and control method thereof Pending CN105480184A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510996396.4A CN105480184A (en) 2015-12-28 2015-12-28 Protection mechanism for lateral impact of vehicle and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510996396.4A CN105480184A (en) 2015-12-28 2015-12-28 Protection mechanism for lateral impact of vehicle and control method thereof

Publications (1)

Publication Number Publication Date
CN105480184A true CN105480184A (en) 2016-04-13

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010137607A (en) * 2008-12-09 2010-06-24 Takata Corp Collision determination system, occupant restraint system, and vehicle
CN201712565U (en) * 2010-05-21 2011-01-19 浙江吉利汽车研究院有限公司 Vehicle active protection airbag
CN102310830A (en) * 2011-06-18 2012-01-11 冯卫 Radar device for preventing object fall and danger proximity for vehicle and control method
CN102514557A (en) * 2011-12-07 2012-06-27 杨吉明 Jet type emergency safety system for vehicle
CN103707842A (en) * 2013-12-26 2014-04-09 青岛永通电梯工程有限公司 Road condition monitoring method
CN105015471A (en) * 2015-08-26 2015-11-04 毛江波 Rocket-imitated type civil ejector
CN205273389U (en) * 2015-12-28 2016-06-01 南京航空航天大学 Protection mechanism of car side direction striking

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010137607A (en) * 2008-12-09 2010-06-24 Takata Corp Collision determination system, occupant restraint system, and vehicle
CN201712565U (en) * 2010-05-21 2011-01-19 浙江吉利汽车研究院有限公司 Vehicle active protection airbag
CN102310830A (en) * 2011-06-18 2012-01-11 冯卫 Radar device for preventing object fall and danger proximity for vehicle and control method
CN102514557A (en) * 2011-12-07 2012-06-27 杨吉明 Jet type emergency safety system for vehicle
CN103707842A (en) * 2013-12-26 2014-04-09 青岛永通电梯工程有限公司 Road condition monitoring method
CN105015471A (en) * 2015-08-26 2015-11-04 毛江波 Rocket-imitated type civil ejector
CN205273389U (en) * 2015-12-28 2016-06-01 南京航空航天大学 Protection mechanism of car side direction striking

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Application publication date: 20160413

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