CN202847635U - Protective device for improving safety of cabin door air bag passenger car turning on one side - Google Patents

Protective device for improving safety of cabin door air bag passenger car turning on one side Download PDF

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Publication number
CN202847635U
CN202847635U CN 201220563940 CN201220563940U CN202847635U CN 202847635 U CN202847635 U CN 202847635U CN 201220563940 CN201220563940 CN 201220563940 CN 201220563940 U CN201220563940 U CN 201220563940U CN 202847635 U CN202847635 U CN 202847635U
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CN
China
Prior art keywords
hatch door
controller
air bag
passenger vehicle
air
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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.)
Withdrawn - After Issue
Application number
CN 201220563940
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Chinese (zh)
Inventor
那景新
刘玉
郭新宇
关丹丹
高剑峰
王童
杨志超
袁正
张苹苹
李婷婷
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Jilin University
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Jilin University
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Publication date
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Priority to CN 201220563940 priority Critical patent/CN202847635U/en
Application granted granted Critical
Publication of CN202847635U publication Critical patent/CN202847635U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

A protective device for improving safety of a cabin door air bag passenger car turning on one side comprises cabin door popup mechanisms (3), a contact switch, an inclination angle sensor (1) and a controller (2), wherein the cabin door popup mechanisms (3) are arranged on luggage compartment doors at the bottoms of two sides of the passenger car and can enable the luggage compartment doors to unfold quickly, the contact switch is arranged at the position of a parking brake, and the inclination angle sensor (1) is arranged at the centre-of-gravity position of a car body. The safety device further comprises supplementary restraint system assemblies (7) which are arranged on the inner sides of the luggage compartment doors (6) on two sides of the passenger car and placed in thin plastic plates (18). The cabin door popup mechanisms (3) and the supplementary restraint system assemblies (7) are respectively connected with signal output ports of the controller (2). The contact switch at the position of the parking brake and the inclination angle sensor (1) are respectively connected with signal input ports of the controller (2). The protective device for improving the safety of the cabin door air bag passenger car turning on the one side is provided based on an existing passenger car structure, and is committed to improving the safety of the passenger car turning on the one side and realizing a light weight of the car body in design by utilizing the upward lifting type movable luggage compartment doors and the supplementary restraint system assemblies on the basis that the structure of an original car is not changed.

Description

A kind of hatch door air bag passenger vehicle rollover safety device
Technical field
The utility model relates to bus safety guard technology field, particularly a kind of safety device for the passenger vehicle rollover.
Technical background
In recent years, along with the continuous generation of bus and coach accident, people are also more and more higher to the attention rate of passenger vehicle crash survivability.In all traffic accidents, the passenger vehicle rollover often causes heavy casualties, belongs to major traffic accidents.Therefore, improve the anti-rollover performance of passenger vehicle, ensure that the life security of occupant in the rollover accident has become a very important problem.At present, passenger vehicle rollover (ECE R66) rules that China formulates with reference to Economic Commission of Europe, formulated " regulation of passenger vehicle topside intensity " national standard (GB/T17578-1998), and executed, to improve the anti-rollover performance of domestic passenger vehicle.
According to laws and regulations requirement, when rollover occured passenger vehicle, body structure can not invade occupant's living space.At present, domestic passenger vehicle enterprise is in order to satisfy this laws and regulations requirement, mainly adopts the sectional dimension that increases the body side wall structure, increases section thickness, the outside is pasted brace panel or adjusted the scheme such as local joint type of attachment in side wall pillar.Such scheme has not only increased the weight of body structure, and the anti-rollover performance of passenger vehicle is not significantly improved yet, and such design means does not meet the theory of energy-saving and emission-reduction and body lightening.Because the version of traditional passenger vehicle is limit, increase endergonic structure in the outside inconvenience of gusset, therefore be necessary to study the rollover safety that a kind of passenger vehicle rollover protective device improves passenger vehicle.
Summary of the invention
Climb in the journey for passenger car side, the passenger vehicle gusset can't design the characteristics of actv. endergonic structure, a kind of protective device that improves passenger vehicle rollover safety that the utility model proposes on the basis of existing passenger vehicle structure, be devoted on the basis that does not change former body structure, by adopting lifting type movable door and air-bag module to improve passenger vehicle rollover safety, realize the body lightening design.
Consider that the bus luggage hatch door can open, and the vehicle body left and right side hatch door that respectively has number not wait, therefore utilize passenger vehicle from the rollover critical spot to vehicle body and collision on the ground during this period of time by initiatively ejecting turn on one's side the hatch door structure of a side, the airbag apparatus of the hatch door inboard of detonating, form three grades of buffering energy-absorbing structures of a kind of hatch door-air bag-body side wall.When passenger vehicle and ground bumped, hatch door at first contacted with ground, and losing heart by luggage compartment door distortion and air bag constant voltage absorbs a part of Impact energy in advance, to realize reducing the body structure distortion, the effect of protection occupant living space;
By reference to the accompanying drawings, be described as follows:
A kind of hatch door air bag passenger vehicle rollover safety device is made of the fast-breaking hatch door ejecting mechanism 3 of made hatch door, the contact switch that is arranged on the Parking Brake place, the obliquity sensor 1 that is arranged on the body gravity position and the controller 2 that are arranged on the luggage compartment door of bottom, passenger vehicle both sides, it comprises that also to place passenger vehicle both sides luggage compartment door 6 inboard and place air-bag module 7 in the sheet plastic 18, and hatch door ejecting mechanism 3 links to each other with the signal output port of controller 2 respectively with the ignition fuse of air-bag module 7; Described obliquity sensor 1, Parking Brake place contact switch link to each other with the signal input port of controller 2 respectively, obliquity sensor 1 gathers body inclination angle signal input control device 2, when controller 2 preset value is satisfied at the angle of inclination, the hatch door that controller 2 triggering hatch door ejecting mechanisms 3 eject corresponding side is ignited the air-bag module 7 on the hatch door simultaneously, makes airbag deployment.
Described hatch door ejecting mechanism 3 is hinged on the hatch door ejecting mechanism gas generator 9 that cylinder 11, rod end on the floor crossmember be hinged on the electromagnetic valve component of piston 12 on the hatch door, cylinder outside and be arranged on the cylinder inner cavity bottom by the bottom and forms, and the gas generator 9 of hatch door ejecting mechanism 3 links to each other with the signal output port of controller 2 by ignition fuse 10.
Described electromagnetic valve component is in series by the electromagnetic valve 14 of a 2/2-way and the check valve 16,17 of two parallel connections, and described 2/2-way electromagnetic valve 1 is connected by the signal output port of data line 15 with controller 2.
Described air-bag module 7 is comprised of air bag braid 19 and air-cushion inflator 20, and the gas generator 20 of safety air bag links to each other by the signal output port of ignition fuse with controller 2 respectively, breaks through sheet plastic 18 during expansion and ejects.
The beneficial effects of the utility model: the utility model is on the basis that does not change the bus body existing structure, by adopting the lifting type movable door and promoting the anti-rollover performance of passenger vehicle in the inboard scheme that increases air-bag module of hatch door.When rollover occured passenger vehicle, hatch door upwardly opened, and airbag deployment is filled the gap between hatch door and the body side wall simultaneously; When coming in contact with the place, by the distortion of hatch door and the disappointing absorption portion collision energy of constant voltage of air bag, thus the deflection of minimizing body side wall structure, protection occupant's living space.Owing near Parking Brake, adopt contact switch control, can guarantee that hatch door, can free opening and closing when normal the use (dead ship condition).
Description of drawings
Fig. 1 is that the utility model bus luggage hatch door launches the track scheme drawing;
Fig. 2 is that the utility model bus luggage hatch door does not launch scheme drawing;
Fig. 3 is scheme drawing after the utility model bus luggage hatch door launches;
Fig. 4 is control flow chart of the present utility model;
Fig. 5 is the ejecting mechanism scheme drawing;
Fig. 6 is the inboard air-bag module partial enlarged drawing of hatch door;
Fig. 7 is constant voltage aie escape valve apparatus structure and position in the air bag working process;
The utility model device expansion process scheme drawing when Fig. 8 is the passenger vehicle rollover.
Wherein, 1 is that obliquity sensor, 2 is that controller, 3 is that hatch door ejecting mechanism, 4 is that connecting rod A, 5 is that connecting rod B, 6 is that hatch door, 7 is that air-bag module, 8 is that hinge seat A, 9 is that ejecting mechanism gas generator, 10 is that ignition fuse, 11 is that cylinder, 12 is that piston, 13 is that hinge seat B, 14 is that 2/2-way electromagnetic valve, 15 is that data line, 16 is that air pressure check valve A, 17 is that air pressure check valve B, 18 is that sheet plastic, 19 is that air bag braid, 20 is that air-cushion inflator, 21 is that safety air bag constant voltage air releasing device, 22 is the safety air bag under the mode of operation.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing is described in further detail the utility model.
Hatch door ejecting mechanism 3 is hinged on the gas generator 9 that cylinder 11 on the floor crossmember and rod end be hinged on the electromagnetic valve component of piston 12 on the hatch door and cylinder outside and be arranged on the cylinder inner cavity bottom by the bottom and forms as shown in Figure 1, 2, 3.Described controller 2 is by control unit, data input, output interface form, the contact switch at described obliquity sensor 1, Parking Brake place links to each other by the signal input port of data line with controller 2, the gas generator 9 of vehicle body luggage compartment door ejecting mechanism links to each other with the signal output port of controller 2 by ignition fuse 10, electromagnetic valve component is in series by the electromagnetic valve 14 of a 2/2-way and the check valve 16,17 of two parallel connections, and described 2/2-way electromagnetic valve 14 is connected by the signal output port of data line 15 with controller 2.
Described air-bag module is installed in bus luggage hatch door 6 inboards, and safety air bag is comprised of air bag braid 19 and gas generator 20, places in the sheet plastic 18, breaks through sheet plastic 18 during expansion and ejects.Described air bag is the constant voltage pillow formula airbag airbag apparatus based on blowdown valve control, and mode of operation safety air bag 22 outsides after constant voltage aie escape valve device 21 places and launches are arranged symmetrically with before and after being.
The utility model is by the incoming signal of controller 2 inductions from the Parking Brake contact switch, when Parking Brake is non-working condition (passenger vehicle is motoring condition), controller 2 output control signals make it be in closed state to the 2/2-way electromagnetic valve 14 of ejecting mechanism, to guarantee the sealing property of device for ejecting cylinder.When being the use state, Parking Brake (is passenger vehicle Parking state), controller 2 makes 2/2-way electromagnetic valve 14 be in opening by the data lead output signal, when needs are opened luggage compartment door 6, piston outwards moves, this moment unidirectional air pressure valve A16 locking, air enters in the cylinder by unidirectional air pressure valve B17; When closing hatch door, when piston moved to cylinder interior, 2/2-way electromagnetic valve 14 still was in opening, and the air in the unidirectional air pressure valve B17 locking, piston compression cylinder flows to extraneous by unidirectional air pressure valve A16.
The signal that the utility model receives from the Parking Brake contact switch by controller 2, when vehicle during at motoring condition, controller 2 output control signals make it be in closed state to the 2/2-way electromagnetic valve 14 of ejecting mechanism 3, to guarantee the sealing property of device for ejecting.Again by obliquity sensor 1 induction side tilt angle, and data-signal is transferred to controller 2, after side tilt angle surpasses passenger vehicle rollover critical angle (this moment, passenger vehicle was necessarily turned on one's side), judge the rollover direction by controller 2, and send instruction and 9 of rollover side gas generators are fought produce rapidly gas, pushing piston 12 motions, piston 12 promotes connecting rod 4,5 motions, so that hatch door is outwards opened around the hinge-point of connecting rod 4, connecting rod 5, send instruction with Time Controller 2 and 20 of air-cushion inflators are fought produce rapidly gas, safety air bag flicks.Finally coach compartment door 6 is upwards opened as shown in Figure 3, and air bag detonates and fills gap between hatch door and the body side wall structure, thereby forms three grades of buffering energy-absorbing structures of a kind of hatch door-air bag-body side wall.When passenger vehicle and ground bumped, hatch door 6 at first contacted with ground, and losing heart by luggage compartment door 6 distortion and air bag 22 constant voltages absorbs a part of Impact energy in advance, to realize reducing the body structure distortion, the effect of protection occupant living space.

Claims (4)

1. a hatch door air bag passenger vehicle rollover safety device is by the fast-breaking hatch door ejecting mechanism of made hatch door (3) that is arranged on the luggage compartment door of bottom, passenger vehicle both sides, be arranged on the contact switch at Parking Brake place, the obliquity sensor (1) and the controller (2) that are arranged on the body gravity position consist of, it is characterized in that: it comprises that also to place passenger vehicle both sides luggage compartment doors (6) inboard and place air-bag module (7) in the sheet plastic (18), and hatch door ejecting mechanism (3) links to each other with the signal output port of controller (2) respectively with the ignition fuse of air-bag module (7); Described obliquity sensor (1), Parking Brake place contact switch link to each other with the signal input port of controller (2) respectively, obliquity sensor (1) gathers body inclination angle signal input control device (2), when controller (2) preset value is satisfied at the angle of inclination, the hatch door of controller (2) triggering hatch door ejecting mechanism (3) ejection respective side is ignited the air-bag module (7) on the hatch door simultaneously, makes airbag deployment.
2. a kind of hatch door air bag passenger vehicle rollover safety device according to claim 1, it is characterized in that: described hatch door ejecting mechanism (3) is hinged on the hatch door ejecting mechanism gas generator (9) that cylinder (11), rod end on the floor crossmember be hinged on the electromagnetic valve component of piston (12) on the hatch door, cylinder outside and be arranged on the cylinder inner cavity bottom by the bottom and forms, and the gas generator (9) of hatch door ejecting mechanism (3) passes through ignition fuse (10) and links to each other with the signal output port of controller (2).
3. a kind of hatch door air bag passenger vehicle rollover safety device according to claim 2, it is characterized in that: described electromagnetic valve component is in series by the electromagnetic valve (14) of a 2/2-way and check valve (16), (17) of two parallel connections, and described 2/2-way electromagnetic valve (14) is connected by the signal output port of data line (15) with controller (2).
4. a kind of hatch door air bag passenger vehicle rollover safety device according to claim 1, it is characterized in that: described air-bag module (7) is comprised of air bag braid (19) and air-cushion inflator (20), the gas generator of safety air bag (20) links to each other by the signal output port of ignition fuse with controller (2) respectively, breaks through sheet plastic (18) during expansion and ejects.
CN 201220563940 2012-10-30 2012-10-30 Protective device for improving safety of cabin door air bag passenger car turning on one side Withdrawn - After Issue CN202847635U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220563940 CN202847635U (en) 2012-10-30 2012-10-30 Protective device for improving safety of cabin door air bag passenger car turning on one side

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220563940 CN202847635U (en) 2012-10-30 2012-10-30 Protective device for improving safety of cabin door air bag passenger car turning on one side

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102897133A (en) * 2012-10-30 2013-01-30 吉林大学 Side-turning safety protection device of passenger car with cabin door and airbag
CN103612609A (en) * 2013-12-12 2014-03-05 河南少林客车股份有限公司 System for preventing passenger car from being laterally turned
CN103738281A (en) * 2014-01-13 2014-04-23 吉林大学 Bus externally-arranged airbag with protecting device
CN104816695A (en) * 2015-04-09 2015-08-05 胡达广 Air pressure type active anti-collision device
CN104842967A (en) * 2014-04-16 2015-08-19 北汽福田汽车股份有限公司 Anti-rollover device for vehicles, and vehicle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102897133A (en) * 2012-10-30 2013-01-30 吉林大学 Side-turning safety protection device of passenger car with cabin door and airbag
CN102897133B (en) * 2012-10-30 2015-04-22 吉林大学 Side-turning safety protection device of passenger car with cabin door and airbag
CN103612609A (en) * 2013-12-12 2014-03-05 河南少林客车股份有限公司 System for preventing passenger car from being laterally turned
CN103738281A (en) * 2014-01-13 2014-04-23 吉林大学 Bus externally-arranged airbag with protecting device
CN103738281B (en) * 2014-01-13 2015-09-16 吉林大学 The external air bag of a kind of passenger vehicle with fender guard
CN104842967A (en) * 2014-04-16 2015-08-19 北汽福田汽车股份有限公司 Anti-rollover device for vehicles, and vehicle
CN104842967B (en) * 2014-04-16 2017-06-06 北汽福田汽车股份有限公司 The Anti-side-turning device and vehicle of a kind of vehicle
CN104816695A (en) * 2015-04-09 2015-08-05 胡达广 Air pressure type active anti-collision device

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130403

Effective date of abandoning: 20150422