CN203995810U - Car roof Collapse Deformation initiatively protects head rest device - Google Patents
Car roof Collapse Deformation initiatively protects head rest device Download PDFInfo
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- CN203995810U CN203995810U CN201420448442.8U CN201420448442U CN203995810U CN 203995810 U CN203995810 U CN 203995810U CN 201420448442 U CN201420448442 U CN 201420448442U CN 203995810 U CN203995810 U CN 203995810U
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Abstract
The utility model discloses a kind of car roof Collapse Deformation and initiatively protect head rest device, comprise headrest protection mechanism and electric-control system; Described headrest protection mechanism comprises by headrest pillar and is hinged on the headrest of headrest in rotating shaft; In the inner cambered way of headrest, curved baffle is installed; In seat, be provided with headrest screens releasing mechanism; Be provided with baffle plate in seat bottom and launch actuating device, be positioned at headrest in seat inside and be provided with headrest bearing before pillar; Described electric-control system comprises infrared distance sensor and controller.This head rest device can automatic detection vehicle the collision deformation degree on top, controlling chair headrest tilts rapidly forward, and the automatic curved baffle that ejects rapidly, can moment above occupant's head, form protective device, effectively keep out the impact from top, maintain occupant's living space, increase occupant's chances of survival; Can effectively increase protection domain, reduce to greatest extent roadlice occupant casualty rate; Portable good, can be arranged on different vehicles.
Description
Technical field
The utility model relates to a kind of automobile safety headrest, or rather, the utility model is particularly related to a kind of car roof Collapse Deformation of controlling car seat headrest motion and deformation by inspection vehicle top board and chair headrest change of distance amount and initiatively protects head rest device.
Background technology
In the last few years, along with the increase of automobile quantity, because of the rollover Frequent Accidents that goods carrying vehicle overloads, exceeds the speed limit and other traffic accidents cause, in the time that wagon flow is intensive, also often occur that truck rollover is pressed in roadlice or truck institute cargo is fallen the major traffic accidents on roadlice, roadlice passenger survival rate is lower, causes great personal casualty.At present, be both at home and abroad generally a point both direction for reducing the turn on one's side solution of this problem of loss of causing of Oversize vehicle: the probability of 1. turning on one's side by reduce Oversize vehicle with vehicle body electric stabilizing systems such as ESP.2. by strengthening driver's safety education and over loading and excessive speed efforts of investigation and prosecution, avoid this type of accident to occur.
Although said method can prevent this type of accident to occur to a certain extent, once cannot reduce the roadlice personal casualty risk that this type of accident causes.And along with the needs of raising and the engineer operation of people's living standard, the quantity of compact car being improved constantly, the risk having an accident just increases thereupon.According to actual conditions, in the time that cart is depressed, roadlice personnel's living space is all to be ensured by the support strength of panel brace and seat.And the active safety headrest technology of at present commercialization application mainly comprises following two classes: a class is that the rear car of only limiting to taking Volvo head and neck protection system (WHIPS) as representative is while knocking into the back rapidly; back of seat upward movement or the headrest angle that turns forward; in order to supporting head part, protection chaufeur ceruical uertebra part safety.Another kind of is roll-bar or protection headrest, is mainly used in open carriage rollover while toppling, and this protection thick stick or protection headrest be protruding avoids dampening member's head.Still there is no at present actual Related product both at home and abroad.
Above-mentioned two kinds of products all can not effectively resist that truck rollover is pressed in roadlice or truck institute cargo is fallen the injury that causes roof Collapse Deformation and occupant is caused on roadlice, once have an accident, roadlice passenger survival rate is lower, easily causes great personal casualty.
Summary of the invention
The purpose of this utility model is to provide initiatively protective air-bag formula head rest device of a kind of car roof Collapse Deformation, this head rest device can automatic detection vehicle the collision deformation degree on top, controlling chair headrest tilts rapidly forward, and the automatic curved baffle that ejects rapidly, can moment above human body head, form protective device, effectively keep out the impact of top, increase occupant's chances of survival.
For achieving the above object, the utility model adopts following technical scheme:
A kind of car roof Collapse Deformation initiatively protects head rest device, comprises headrest protection mechanism and corresponding electric-control system; Described headrest protection mechanism comprises:
Headrest, it is hinged in headrest rotating shaft by headrest pillar, and described headrest rotating shaft is fixed on seat interior metal skeleton by rotary shaft rack;
Curved baffle, is arranged in the inner cambered way of headrest, when accident occurs, can be ejected for the protection of occupant's head rapidly by headrest;
Headrest screens releasing mechanism, is located in seat after headrest pillar and between seat interior metal skeleton, makes headrest in vertical state for the screens of correct occipital branches post, carries out the action of head restraint pillar in the time that accident occurs, and makes to rest the head on and overturn fast;
Baffle plate launches actuating device, is located at seat bottom and is connected with headrest, while generation, drives curved baffle to eject rapidly for accident;
Headrest bearing, is located on seat interior metal skeleton and is positioned at before headrest pillar, carries out spacing for the upset of correct occipital branches post;
Described electric-control system comprises:
Infrared distance sensor, it is located at seat upper end, the distance for detection of seat to roof;
Controller, for receiving the data-signal of infrared distance sensor, and launches actuating device to described headrest screens releasing mechanism and baffle plate and controls.
As further preferred, described headrest screens releasing mechanism is made up of headrest clamping mechanism and quick release mechanism.
As further preferred, described headrest clamping mechanism comprises the headrest butt hook being fixed on headrest pillar, on the metallic framework at back of seat place, be hinged with headrest stay hook and be respectively equipped with magnetic receiver in the upper and lower both sides of headrest stay hook, on the front end opposite face of two magnetic receivers, be respectively equipped with electromagnet A and electromagnet B, described in when initial condition, rest the head on stay hook middle part and the electromagnet A adhesive being positioned at below it and headrest stay hook front end and the mutual interlock of headrest butt hook.
As further preferably, between headrest stay hook and the magnetic receiver below it, be provided with retracing spring, for preventing after automobile flameout that electromagnet A power-off loses the adsorption affinity vibrated impact of the protection mechanism surprisingly triggering afterwards that causes resting the head on.
As further preferred, the electromagnet B lower surface that is positioned at headrest stay hook top is inclined-plane, so that fully adsorb and contact with the headrest stay hook after swinging.
As further preferably, be equipped with cylindrical protrusions at the middle part upper and lower end of headrest stay hook, so that headrest stay hook contacts with the electromagnet absorption of both sides respectively.
As further preferred, described quick release mechanism is the torsion spring being located between headrest pillar and seat interior metal skeleton, and one end of torsion spring is fixed on described seat interior metal skeleton, the other end abuts against on the outer surface plane of headrest pillar.
As further preferred, described baffle plate launches actuating device and comprises a high-pressure air source, the mouth of high-pressure air source is connected the inner cambered way bottom of described headrest with ventilation flue by electromagnetic valve, eject rapidly for the instruction the output high-pressure gas promotion curved baffle that receive controller.
As further preferred, described controller comprises micro controller system, solenoid actuated amplifying circuit, solenoid-driven amplifying circuit and power module; Wherein micro controller system is for receiving the data-signal of infrared distance sensor and exporting control signal; Described solenoid actuated amplifying circuit is for receiving the control signal of micro controller system output the electromagnet of triggering headrest screens releasing mechanism; Described solenoid-driven amplifying circuit is for receiving the control signal of micro controller system output and trigger baffle plate the electromagnetic valve that launches actuating device; The input end of described power module is connected with the positive and negative terminal of vehicle power respectively, and the mouth of power module is connected with the power input of micro controller system, solenoid actuated amplifying circuit and solenoid-driven amplifying circuit respectively, is used to controller that power supply is provided.
The beneficial effects of the utility model are:
1, this head rest device can detect the distance of roof to seat by infrared distance sensor, thereby automatically detect the suffered collision severe degree of roof, if generation drastic deformation, can control fast the headrest rotation that turns forward of headrest protection mechanism by controller, and launch actuating device driving curved baffle by baffle plate and eject rapidly, can moment above occupant's head, form protective device, effectively keep out the impact from top, maintain occupant's living space, increase occupant's chances of survival; Can effectively resist that truck rollover is pressed in roadlice or truck institute cargo is fallen the injury that causes roof Collapse Deformation and occupant is caused on roadlice, reduce to greatest extent by cart and turn on one's side or institute's cargo rollover the accident such as falls and the roadlice occupant casualty rate that causes.
2, this head rest device combines headrest and curved baffle dexterously, makes the larger protective effect of headrest performance; Headrest can flip an angle forward fast, can effectively increase protection domain; Portable good, can be arranged on different vehicles.
3, this head rest device can be realized the data-signal by repeatedly reading infrared distance sensor, can effectively avoid sensor disturbance signal that the phenomenon of control setup misoperation is occurred, and guaranteeing provides protection accurately and effectively for occupant.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the guard mode schematic diagram of the utility model headrest.
Fig. 3 is the structural representation of the utility model headrest screens releasing mechanism.
Fig. 4 is the schematic diagram after headrest release in Fig. 3.
Fig. 5 is the connection diagram of headrest of the present utility model and headrest pillar.
Structural representation when Fig. 6 is the ejection of the utility model curved baffle.
Fig. 7 is the structural representation of the utility model curved baffle stop gear.
Fig. 8 is the A-A cutaway view of Fig. 7;
Fig. 9 is the schematic diagram after the curved baffle of Fig. 7 ejects.
Figure 10 is the composition frame chart of the utility model electric-control system.
Figure 11 is control flow block diagram of the present utility model.
In figure: seat 1, headrest bearing 2, headrest rotating shaft 3, headrest pillar 4, headrest 5, metal sheet 501, cambered way 502, spacing hole 503, curved baffle 6, mounting hole 601, infrared distance sensor 7, ventilation flue 8, high-pressure air source 9, rotary shaft rack 10, magnetic receiver 11, electromagnet B12, headrest stay hook 13, projection 1301, retracing spring 14, electromagnet A15, headrest butt hook 16, torsion spring 17, metallic framework 18, adaptor union 19, T-pipe joint 20, compression indicator 21, electromagnetic valve 22, rubber spacer 23, guide wheel 24, mobile locating dowel pin 25, pressure spring 26, rotating shaft 27, micro controller system 28, vehicle power 29, power module 30, photoelectrical coupler 31, photoelectrical coupler 32, transistor amplifier 33, transistor amplifier 34, controller 35.
Detailed description of the invention
As Figure 1-Figure 2, a kind of car roof Collapse Deformation that the utility model relates to initiatively protects head rest device, comprises headrest protection mechanism and corresponding electric-control system.Described headrest protection mechanism comprises the headrest 5 that is located at seat 1 top, headrest 5 uses screw to be fixed on headrest pillar 4 upper ends by the metal sheet 501 of its bottom, described headrest pillar 4 is that hollow structure and lower end are hinged in headrest rotating shaft 3, and described headrest rotating shaft 3 is fixed on the metallic framework 18 of seat 1 inside by rotary shaft rack 10.Longitudinally be provided with cambered way 502 in headrest 5 inside along it, the forward and backward surface of cambered way 502 is arcwall face, the two sides of cambered way 502 are plane, at curved baffle 6 of the interior placement of cambered way 502, curved baffle 6 is for being pressed into the metal sheet of circular arc, and curved baffle 6 coordinates with cambered way 502 glade plane spaces.As preferably, wrap up at curved baffle 6 outside faces the protective layer that one decks are made up of the material such as sponge or leather, prevent occupant's head to cause secondary injury.When accident occurs, curved baffle 6 can be ejected for the protection of occupant's head rapidly by headrest 5.
As shown in Fig. 7-Fig. 9, between 6 liang of side planes of curved baffle and cambered way 502, be respectively equipped with baffle limiting mechanism, baffle limiting mechanism comprises mobile locating dowel pin 25, guide wheel 24 and pressure spring 26, upper end at mobile locating dowel pin 25 is provided with rectangular notch, described guide wheel 24 is arranged in described rectangular notch by rotating shaft 27, the two side plane end portions at curved baffle 6 are not provided with a mounting hole 601, described pressure spring 26, mobile locating dowel pin 25 and guide wheel 24 are positioned at mounting hole 601 successively, effect lower tumbler 24 at pressure spring 26 rolls and contacts with cambered way 502 inside faces.Be arranged with spacing hole 503 in cambered way 502 both side surface near exit position, spacing hole 503 and equal and opposite in direction corresponding with mounting hole 601 positions, in the time that being ejected by headrest 5, curved baffle 6 moves locating dowel pin 25 and guide wheel 24 inserts in corresponding spacing hole 503 under the effect of pressure spring 26, spacing when curved baffle 6 ejection to realize.
As shown in Figure 3, Figure 4, in seat 1, resting the head on pillar 4 below and between seat 1 interior metal skeleton 18, be provided with headrest screens releasing mechanism, make to rest the head on 5 in vertical state for correct occipital branches post 4 screens, in the time that accident occurs, carry out head restraint pillar 4 and move, and 5 upsets fast that make to rest the head on.On seat 1 interior metal skeleton 18 and be positioned at headrest pillar 4 and be welded with headrest bearing 2 above, the angle that headrest bearing 2 is provided with a boss and boss outer face and vertical plane surface is 30 degree, carries out spacing for the upset of correct occipital branches post 4.
As shown in Figure 3, Figure 4, described headrest screens releasing mechanism is made up of headrest clamping mechanism and quick release mechanism.Described headrest clamping mechanism comprises and is fixedly welded on the headrest pillar 4 headrest butt hook 16 at middle part below, on the metallic framework 18 at the inner backrest of seat 1 place, be hinged with headrest stay hook 13 and be welded with respectively magnetic receiver 11 in the upper and lower both sides of headrest stay hook 13, on the front end opposite face of two magnetic receivers 11, be installed with respectively electromagnet A15 and electromagnet B12, described in when initial condition, rest the head on stay hook 13 middle parts and the electromagnet A15 adhesive being positioned at below it and headrest stay hook 13 front ends and the mutual interlock of headrest butt hook 16.Between headrest stay hook 13 and the magnetic receiver below it 11, be provided with retracing spring 14, described retracing spring 14 is extension spring, for preventing after automobile flameout that electromagnet A15 power-off loses the adsorption affinity vibrated impact of the protection mechanism surprisingly triggering afterwards that causes resting the head on.Middle part upper and lower end at headrest stay hook 13 is equipped with cylindrical protrusions 1301, so that headrest stay hook 13 contacts with electromagnet A, the B absorption of both sides respectively.The electromagnet B12 lower surface that is positioned at headrest stay hook 13 tops is inclined-plane, so that fully adsorb and contact with the headrest stay hook 13 after swinging.
As preferably, described quick release mechanism is the torsion spring 17 being located between headrest pillar 4 and seat 1 interior metal skeleton 18, and one end of torsion spring 17 is fixed on described seat 1 interior metal skeleton 18, the other end abuts against on the outer surface plane of headrest pillar 4.When accident occurs when swing by two magnet control headrest stay hooks 13 with 16 disengagings of headrest butt hook after, described headrest pillar 4 angle of overturning forward fast under the effect of torsion spring 17.As another kind of mode, described quick release mechanism also can be selected pressure spring and be located between headrest pillar 4 and seat 1 interior metal skeleton 18.
As shown in Fig. 1, Fig. 5 and Fig. 6, be provided with a baffle plate in seat bottom and launch actuating device, while generation for accident, drive curved baffle 6 to eject rapidly.Described baffle plate launches actuating device and comprises a high-pressure air source 9, described high-pressure air source 9 is the air compression tank that there are high pressure gas an inside, high-pressure air source 9 is fixed on seat bottom, the mouth of high-pressure air source 9 is connected with respectively electromagnetic valve 22 and compression indicator 21 by a T-pipe joint 20, the output port of electromagnetic valve 22 is connected to cambered way 502 bottoms of described headrest 5 inside by a ventilation flue 8, in the bottom metal 501 of described headrest 5, corresponding cambered way 502 middle parts are fixed with an adaptor union 19, described ventilation flue 8 upper ends are by the jack insert head occipital branches post 4 of pillar 4 lower ends of resting the head on and be connected with described adaptor union 19 by clip.Jack place in headrest pillar 4 lower ends is fixed with the rubber spacer 23 being enclosed within on ventilation flue 8, to avoid ventilation flue 8 to be galled by the hole wall of described jack.Detect air compression tank internal gas pressure by compression indicator 21, make user show that according to compression indicator 21 numerical value regularly uses air-pump inflating pressurize, to guarantee that baffle plate launches the functional reliability of actuating device.
As shown in Fig. 1 and Figure 10, described electric-control system comprises infrared distance sensor 7 and controller 35.Described infrared distance sensor 7 is fixedly mounted on seat 1 upper rear, the distance for detection of seat 1 to roof; Described controller 35 is for receiving the data-signal of infrared distance sensor 7, and according to the headrest control program of finishing in advance, described headrest screens releasing mechanism and baffle plate launched to actuating device and control.
Described controller 35 comprises micro controller system 28, solenoid actuated amplifying circuit, solenoid-driven amplifying circuit and power module 30.Wherein micro controller system 28 is for receiving the data-signal of infrared distance sensor 7, the headrest control program that storage is finished in advance is also exported control signal, described micro controller system 28 can be selected the micro controller system of Multiple Type, and as nonrestrictive preferred, it is 74HC154 that the present embodiment is selected model.The also electromagnet of triggering headrest clamping mechanism of control signal that described solenoid actuated amplifying circuit is exported for receiving micro controller system 28; Described solenoid-driven amplifying circuit is for receiving the control signal that micro controller system 28 exports and trigger baffle plate the electromagnetic valve 22 that launches actuating device; The input end of described power module 30 is connected with the positive and negative terminal of vehicle power 29 respectively, the mouth of power module 30 is connected with the power input of micro controller system 28, solenoid actuated amplifying circuit and solenoid-driven amplifying circuit respectively, is used to controller 35 that power supply is provided.
As shown in figure 10, the Vcc of infrared distance sensor 7, VOUT, GND pin respectively with the Vcc of micro controller system 28,
gND pin is connected.Described solenoid actuated amplifying circuit is to be formed by connecting by photoelectrical coupler 31, transistor amplifier 33 and flywheel diode VD1, and transistor amplifier 33 is formed by connecting by an aerotron VT1 and two resistance R 1, R2.Described solenoid-driven amplifying circuit is to be formed by connecting by photoelectrical coupler 32, transistor amplifier 34 and flywheel diode VD2, and transistor amplifier 34 is formed by connecting by an aerotron VT2 and two resistance R 4, R5.
As nonrestrictive preferred, it is TIL117 that described photoelectrical coupler 31 and 32 is selected model, and it is 9013 that aerotron VT1 and VT2 select model, and it is IN4001 that flywheel diode VD1 and VD2 select model.Two photoelectrical couplers 31 are connected with the Vcc pin of micro controller system 28 respectively with 32 light-emitting diode input end, and the light-emitting diode mouth of photoelectrical coupler 31 is by resistance R 3 and micro controller system 28
pin is connected, the collecting electrode of the photo-transistor of photoelectrical coupler 31 is connected with the Vcc pin of micro controller system 28, the emitter of the photo-transistor of photoelectrical coupler 31 connects the base stage of described aerotron VT1 by resistance R 1, resistance R 2 one end and resistance R 1 are attempted by the base stage of aerotron VT1, the grounded emitter of resistance R 2 other ends and aerotron VT1; The public output of the collecting electrode of aerotron VT1 and electromagnet A, B is attempted by the input end of flywheel diode VD1, a non-12V mouth that is attempted by behind the door power module 30 with the input end of electromagnet B12 and the mouth of flywheel diode VD1 of input end serial connection of electromagnet A15.
The light-emitting diode mouth of photoelectrical coupler 32 passes through resistance R 6 and micro controller system 28
pin is connected, the collecting electrode of the photo-transistor of photoelectrical coupler 32 is connected with the Vcc pin of micro controller system 28, the emitter of the photo-transistor of photoelectrical coupler 32 connects the base stage of described aerotron VT2 by resistance R 4, resistance R 5 one end and resistance R 4 are attempted by the base stage of aerotron VT2, the emitter terminal ground connection of resistance R 5 other ends and aerotron VT2; The mouth of the collecting electrode of aerotron VT2 and electromagnetic valve 22 is attempted by the input end of flywheel diode VD2, and the mouth of the input end of electromagnetic valve 22 and flywheel diode VD2 is attempted by the 12V mouth of power module 30.The Vcc of micro controller system 28, the 5V mouth that GND pin connects respectively power module 30 and GND end.
The control method of car roof Collapse Deformation is to exist in prior art, belongs to known technology.As further preferred, the utility model also additionally provides the control method of a better effects if.As shown in figure 11, this car roof Collapse Deformation initiatively protects the control flow of head rest device, comprises the steps:
1, read acceleration rate threshold h by the micro controller system 28 of controller 35
0and i;
2, be zero by counting variable i initialize;
3, read by the micro controller system 28 of controller 35 the range signal h that infrared distance sensor 7 records;
4, carry out and judge whether data h is less than threshold value h by described micro controller system 28
0if, otherwise return to the method the 1st step, if it is carry out next step;
5, the data h value recording is assigned to threshold value h
0, make threshold value h
0upgrade, and variable i is added to 1, whether judgment variable i is less than 3 afterwards, if variable i is less than 3, returns to the 3rd step readout data signal again; If variable i is more than or equal to 3, carry out next step;
6, send control signal by the micro controller system 28 of described controller 35, by solenoid actuated amplifying circuit control electromagnet A15 power-off head restraint stay hook 13, electromagnet B12 energising absorption headrest stay hook 13, stay hook 13 front ends that make to rest the head on depart from headrest butt hook 16, and headrest 5 overturns forward and rests on headrest bearing 2 after an angle under the effect of torsion spring 17;
7, sending 22 energisings of control signal control electromagnetic valve by described micro controller system 28 opens, air compression tank discharges high pressure air, enter inner cambered way 502 bottoms of headrest by ventilation flue 8, curved baffle 6 ejects 5 from resting the head under compressed-air actuated promotion, until baffle limiting mechanism inserts in corresponding spacing hole 503, curved baffle 6 stop motions also provide initiatively protection above occupant's head.
The utility model, by infrared distance sensor 7, can effectively detect the distance h of roof to infrared distance sensor 7 or seat 1.Storage setpoint distance threshold value h in controller
0, compare with the threshold value of actual storage after reading in real time by controller 35 range signal that infrared distance sensor 7 records, can prevent that the unexpected device that makes triggers because of the miniature deformation that body oscillating causes.Controller 35 judges three times whether exceed threshold value continuously after continuous renewal threshold value, if continuous three times exceed threshold value, illustrates that roof is in the middle of constantly distortion.Micro controller system 28 is exported electromagnet electrical instruction, make electromagnet A15 power-off, electromagnet B12 obtains electric absorption, headrest stay hook 13 unclamps, under the effect of torsion spring 17, pusher head occipital branches post 4 rotates forward 30 degree angles with headrest 5 around headrest rotating shaft 3 rapidly, make to rest the head on 5 be fixed on torsion spring 17 and headrest bearing 2 between, prevent from resting the head on 5 rebounded or further rotate.Then, controller 35 is opened by 22 energisings of solenoid-driven amplifying circuit control electromagnetic valve, the high pressure gas of air compression tank the inside enter rapidly cambered way 502 internal cavities of curved baffle 6 belows by ventilation flue 8, due to the quick release of air, the lower cavity air pressure of curved baffle 6 is strengthened rapidly, promote curved baffle and be bound to rapidly fixed position along cambered way 502.Finally form protection effect as shown in Figure 2.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification sheets and embodiment, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (9)
1. car roof Collapse Deformation initiatively protects a head rest device, it is characterized in that: comprise headrest protection mechanism and corresponding electric-control system; Described headrest protection mechanism comprises:
Headrest, it is hinged in headrest rotating shaft by headrest pillar, and described headrest rotating shaft is fixed on seat interior metal skeleton by rotary shaft rack;
Curved baffle, is arranged in the inner cambered way of headrest, when accident occurs, can be ejected for the protection of occupant's head rapidly by headrest;
Headrest screens releasing mechanism, is located in seat after headrest pillar and between seat interior metal skeleton, makes headrest in vertical state for the screens of correct occipital branches post, carries out the action of head restraint pillar in the time that accident occurs, and makes to rest the head on and overturn fast;
Baffle plate launches actuating device, is located at seat bottom and is connected with headrest, while generation, drives curved baffle to eject rapidly for accident;
Headrest bearing, is located on seat interior metal skeleton and is positioned at before headrest pillar, carries out spacing for the upset of correct occipital branches post;
Described electric-control system comprises:
Infrared distance sensor, it is located at seat upper end, the distance for detection of seat to roof;
Controller, for receiving the data-signal of infrared distance sensor, and launches actuating device to described headrest screens releasing mechanism and baffle plate and controls.
2. car roof Collapse Deformation according to claim 1 initiatively protects head rest device, it is characterized in that: described headrest screens releasing mechanism is made up of headrest clamping mechanism and quick release mechanism.
3. car roof Collapse Deformation according to claim 2 initiatively protects head rest device, it is characterized in that: described headrest clamping mechanism comprises the headrest butt hook being fixed on headrest pillar, on the metallic framework at back of seat place, be hinged with headrest stay hook and be respectively equipped with magnetic receiver in the upper and lower both sides of headrest stay hook, on the front end opposite face of two magnetic receivers, be respectively equipped with electromagnet A and electromagnet B, described in when initial condition, rest the head on stay hook middle part and the electromagnet A adhesive being positioned at below it and headrest stay hook front end and the mutual interlock of headrest butt hook.
4. car roof Collapse Deformation according to claim 3 initiatively protects head rest device, it is characterized in that: between headrest stay hook and the magnetic receiver below it, be provided with retracing spring, for preventing after automobile flameout that electromagnet A power-off loses the adsorption affinity vibrated impact of the protection mechanism surprisingly triggering afterwards that causes resting the head on.
5. initiatively protect head rest device according to the car roof Collapse Deformation described in claim 3 or 4, it is characterized in that: the electromagnet B lower surface that is positioned at headrest stay hook top is inclined-plane, so that fully adsorb and contact with the headrest stay hook after swinging.
6. initiatively protect head rest device according to the car roof Collapse Deformation described in claim 3 or 4, it is characterized in that: the middle part upper and lower end at headrest stay hook is equipped with cylindrical protrusions, so that headrest stay hook contacts with the electromagnet absorption of both sides respectively.
7. car roof Collapse Deformation according to claim 2 initiatively protects head rest device, it is characterized in that: described quick release mechanism is the torsion spring being located between headrest pillar and seat interior metal skeleton, one end of torsion spring is fixed on described seat interior metal skeleton, the other end abuts against on the outer surface plane of headrest pillar.
8. initiatively protect head rest device according to the car roof Collapse Deformation described in claim 1-4 any one claim, it is characterized in that: described baffle plate launches actuating device and comprises a high-pressure air source, the mouth of high-pressure air source is connected the inner cambered way bottom of described headrest with ventilation flue by electromagnetic valve, eject rapidly for the instruction the output high-pressure gas promotion curved baffle that receive controller.
9. car roof Collapse Deformation according to claim 1 initiatively protects head rest device, it is characterized in that: described controller comprises micro controller system, solenoid actuated amplifying circuit, solenoid-driven amplifying circuit and power module; Wherein micro controller system is used for receiving the data-signal of infrared distance sensor, and exports control signal; Described solenoid actuated amplifying circuit is for receiving the control signal of micro controller system output the electromagnet of triggering headrest screens releasing mechanism; Described solenoid-driven amplifying circuit is for receiving the control signal of micro controller system output and trigger baffle plate the electromagnetic valve that launches actuating device; The input end of described power module is connected with the positive and negative terminal of vehicle power respectively, and the mouth of power module is connected with the power input of micro controller system, solenoid actuated amplifying circuit and solenoid-driven amplifying circuit respectively, is used to controller that power supply is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448442.8U CN203995810U (en) | 2014-08-08 | 2014-08-08 | Car roof Collapse Deformation initiatively protects head rest device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448442.8U CN203995810U (en) | 2014-08-08 | 2014-08-08 | Car roof Collapse Deformation initiatively protects head rest device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149667A (en) * | 2014-08-08 | 2014-11-19 | 吉林大学 | Active protection headrest device for automobile roof collapse deformation and control method thereof |
| CN108068741A (en) * | 2016-11-10 | 2018-05-25 | 法乐第(北京)网络科技有限公司 | A kind of guard method of emergency and device |
| CN108891319A (en) * | 2018-07-10 | 2018-11-27 | 清华大学 | A kind of active defense car seat headrest device for defending incidence whiplash injury |
-
2014
- 2014-08-08 CN CN201420448442.8U patent/CN203995810U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149667A (en) * | 2014-08-08 | 2014-11-19 | 吉林大学 | Active protection headrest device for automobile roof collapse deformation and control method thereof |
| CN104149667B (en) * | 2014-08-08 | 2017-02-15 | 吉林大学 | Active protection headrest device for automobile roof collapse deformation and control method thereof |
| CN108068741A (en) * | 2016-11-10 | 2018-05-25 | 法乐第(北京)网络科技有限公司 | A kind of guard method of emergency and device |
| CN108891319A (en) * | 2018-07-10 | 2018-11-27 | 清华大学 | A kind of active defense car seat headrest device for defending incidence whiplash injury |
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