CN105346417A - Using method of active headrest for protecting safety of neck of automobile passenger - Google Patents
Using method of active headrest for protecting safety of neck of automobile passenger Download PDFInfo
- Publication number
- CN105346417A CN105346417A CN201510695831.XA CN201510695831A CN105346417A CN 105346417 A CN105346417 A CN 105346417A CN 201510695831 A CN201510695831 A CN 201510695831A CN 105346417 A CN105346417 A CN 105346417A
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- automobile
- headrest
- cylinder
- head
- control module
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 208000021567 Whiplash injury Diseases 0.000 claims abstract description 9
- 206010071366 Post-traumatic neck syndrome Diseases 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001459 mortal effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/865—Head-rests movable or adjustable providing a fore-and-aft movement with respect to the occupant's head
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a using method of an active headrest for protecting safety of the neck of an automobile passenger. The using method includes the following steps that firstly, a control module electrically connected with an air cylinder is directly communicated with an automobile active safety system; when the distance between a vehicle located behind an automobile and the automobile is within a dangerous value range, the control module directly transmits a command to the air cylinder, the output end of the air cylinder stretches out, and a head plate is driven to move forwards, so that the supporting part of the headrest gets close to the head of the passenger, the backward movement, relative to the upper trunk, of the head is limited in advance when rear-end collision happens, it is avoided that the air cylinder is not started in time when the collision happens, and consequently whiplash injuries are caused; and when the distance between the vehicle located behind the automobile and the automobile is within a safe value range, the control module directly controls the air cylinder to retract back, in other words, the output end of the air cylinder drives the head plate to move backwards, and the head of the passenger and the supporting part of the headrest can reset. No manual operation is needed, and synchronization of headrest protection and the automobile safety system is achieved.
Description
Technical field
The present invention relates to Intelligent Vehicle Initiative Security System, specifically refer to a kind of using method protecting the active headrest of automobile passenger neck safety.
Background technology
The form of traffic accident is divided into head-on crash, side collision, rear-end impact and pedestrian impact.Wherein rear-end impact causes its probability of occurrence higher because of its unpredictable property.Therefore, in automotive safety research, when planning the Preservation tactics of automobile passenger for the rear-end impact in above-mentioned form, although cause the gross distortion of personnel's mortal injury and car body by bus all relatively little, but still neck whiplash injury can be caused to front truck occupant.
In prior art, neck protection is based on seat system, and protection philosophy is that when being limited in rear-end impact by the backrest of seat system and headrest, head is relative to the motion backward of upper trunk, and then the risk of reduction whiplash injury.Active headrest common on market is generally pure physical construction, mainly contain two kinds, one is promote and the connecting rod mechanism be connected of resting the head on the relative motion of seat by occupant, and then the head of the nearly occupant of pusher head pillow, as SAAB active headrest, in collision process, occupant oppresses seat backward due to inertia, headrest is started by spatial linkage, but this technical scheme exists larger defect, namely when utilizing the energy of collision to start head pillow mechanism, the response time of head pillow mechanism is long, namely, before headrest plays a role, whiplash injury just occurs; Two is trigger headrest by collision energy, by Spring driving, although head pillow mechanism moves reversible, can not draw in voluntarily, and need the outside application force that applies to reset to make it, troublesome poeration, cannot use and intelligentized active safety system.
Summary of the invention
The object of the present invention is to provide a kind of using method protecting the active headrest of automobile passenger neck safety, realize, to the anticipation in advance of rear-end impact, starting the mechanism protected occupant's neck in time, and then avoiding the generation of whiplash injury.
Object of the present invention is achieved through the following technical solutions:
Protect a using method for the active headrest of automobile passenger neck safety, comprise the following steps:
The control module that cylinder is electrically connected first directly is communicated with automobile active safety system by A;
B is when the distance of the vehicle and this car that are positioned at automobile rear is in a dangerous values scope, control module directly by command transfer to cylinder, the mouth of cylinder is upheld, head plate is driven to move forward, make the support section of headrest close to occupant's head, and then when realizing being limited in rear-end impact in advance head relatively with the motion backward of upper trunk, the whiplash injury that when collision free occurs, the startup of cylinder causes not in time occurs;
C is when the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, the direct control cylinder retraction of control module, namely cylinder mouth drives head plate to move backward, and then the head of occupant and the support section of headrest are resetted, without the need to M/C, the protection of realization headrest is synchronous with automobile safety system;
The control module that above-mentioned steps comprises the cylinder be fixed in headrest, be electrically connected with cylinder and to be connected with head plate two ends and cross-sectional plane is the framework of U-shaped, described framework is slidably arranged in headrest, the open end of described framework is provided with a plate, described head plate is connected with the mouth of cylinder, the cylinder head portions relative with mouth is provided with adjust bar, also comprise two connecting rods, one end and the adjust bar of described connecting rod are hinged, the other end of connecting rod is provided with movable block, in framework just to the madial wall of adjust bar having two dovetail grooves matched with movable block.
When the present invention works, it is inner that cylinder is fixed on headrest, and the other end end relative with mouth is installed adjust bar, two connecting rods and adjust bar hinged, and movable block is slidably arranged in dovetail groove, can when cylinder mouth stretches out, head strip is moved framework and is moved forward in the lump, can ensure that a plate is after being impacted, the support section that framework can be a plate and headrest provides strong support, while the load scope increasing head plate part of the force, prevent a plate or the mouth of cylinder because of stressed concentrated appearance damage.Wherein, two coordinating between movable block with dovetail groove, directly can limit the movable displacement size of framework and head plate, namely when movable block moves to the end position of loose slot, the head advance of plate or the displacement of retrogressing reaches maximization, namely ensure that the moving displacement of cylinder mouth is fixed, avoid a plate to stretch out displacement excessive and reduce the effect of occupant's neck protection, reduce head plate simultaneously and thoroughly do not cause the driving of occupant or comfort level reduces by bus when resetting.
Further, be provided with spring at described adjust bar end, described spring and framework are just connected the inwall of adjust bar side.Head plate or framework can produce certain impact when moving to the end position of himself, this impact effect can be embodied directly in connecting rod or between movable block and loose slot, can directly cause time serious connecting rod or movable block impaired, therefore, the spring be arranged between adjust bar and frame side wall can ensure a plate or framework move to close to during its end position by the impulsive force of himself a buffering part, make the moving velocity of a plate relatively mild and there will not be acceleration suddenly or the situation of slowing down, realizing the object extending headrest service life.
Further, described spring is torsion spring.As preferably, in cylinder mouth retraction process, the movement of head plate and framework is comparatively slow, but there will be along the small size swing in the radial direction of cylinder mouth simultaneously, then the present invention selects torsion spring, the imposed stress on or Off-Radial direction radial at it can be born, be interrupted the state occurring swinging in framework under, buffer action is produced to it, ensure its stability simultaneously.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention is when the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, the direct control cylinder retraction of control module, namely cylinder mouth drives head plate to move backward, and then the head of occupant and the support section of headrest are resetted, without the need to M/C, the protection of realization headrest is synchronous with automobile safety system, and then strengthens the safety factor of automobile driving safe;
2, the present invention's spring be arranged between adjust bar and frame side wall can ensure a plate or framework move to close to during its end position by the impulsive force of himself a buffering part, make the moving velocity of a plate relatively mild and there will not be acceleration suddenly or the situation of slowing down, realizing the object extending headrest service life;
3, the present invention selects torsion spring, can bear the imposed stress on or Off-Radial direction radial at it, produces buffer action, ensure its stability simultaneously in framework under being interrupted the state occurring swinging to it.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Mark and corresponding parts title in accompanying drawing:
1-head plate, 2-cylinder, 3-framework, 4-adjust bar, 5-connecting rod, 6-dovetail groove, 7-movable block, 8-spring, 9-control module.
Detailed description of the invention
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises the following steps:
The control module that cylinder is electrically connected first directly is communicated with automobile active safety system by A;
B is when the distance of the vehicle and this car that are positioned at automobile rear is in a dangerous values scope, control module directly by command transfer to cylinder, the mouth of cylinder is upheld, head plate is driven to move forward, make the support section of headrest close to occupant's head, and then when realizing being limited in rear-end impact in advance head relatively with the motion backward of upper trunk, the whiplash injury that when collision free occurs, the startup of cylinder causes not in time occurs;
C is when the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, the direct control cylinder retraction of control module, namely cylinder mouth drives head plate to move backward, and then the head of occupant and the support section of headrest are resetted, without the need to M/C, the protection of realization headrest is synchronous with automobile safety system;
Above-mentioned steps comprises the cylinder 2 be fixed in headrest, the control module 9 be electrically connected with cylinder 2 and to be connected with head plate 1 two ends and cross-sectional plane is the framework 3 of U-shaped, described framework 3 is slidably arranged in headrest, the open end of described framework 3 is provided with a plate 1, described head plate 1 is connected with the mouth of cylinder 2, cylinder 2 end relative with mouth is provided with adjust bar 4, also comprise two connecting rods 5, one end and the adjust bar 4 of described connecting rod 5 are hinged, the other end of connecting rod 5 is provided with movable block 7, the madial wall of framework 3 just to adjust bar 4 has two dovetail grooves 6 matched with movable block 7, be provided with spring 8 at described adjust bar 4 end, described spring 8 and framework 3 are just connected the inwall of adjust bar 4 side.
During work, the control module 9 be electrically connected with cylinder 2 is directly communicated with automobile active safety system, namely when the distance of the vehicle and this car that are positioned at automobile rear is in a dangerous values scope, control module 9 directly by command transfer to cylinder 2, now the mouth of cylinder 2 is upheld, head plate 1 is driven to move forward, make the support section of headrest close to occupant's head, and then when realizing being limited in rear-end impact in advance head relatively with the motion backward of upper trunk, the whiplash injury that when collision free occurs, the startup of cylinder 2 causes not in time occurs; When the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, control module 9 directly control cylinder 2 bounces back, namely cylinder 2 mouth drives head plate 1 to move backward, and then the head of occupant and the support section of headrest are resetted, without the need to M/C, the protection of realization headrest is synchronous with automobile safety system, and then strengthens the safety factor of automobile driving safe.
And, it is inner that cylinder 2 is fixed on headrest, and the other end end relative with mouth is installed adjust bar 4, two connecting rods 5 are hinged with adjust bar 4, and movable block 7 is slidably arranged in dovetail groove 6, can when cylinder 2 mouth stretches out, head plate 1 drives framework 3 to move forward in the lump, can ensure that a plate 1 is after being impacted, the support section that framework 3 can be a plate 1 and headrest provides strong support, while the load scope increasing head plate 1 part of the force, prevent the mouth of a plate 1 or cylinder 2 because of stressed concentrated appearance damage.Wherein, two movable blocks 7 and coordinating between dovetail groove 6, directly can limit the movable displacement size of framework 3 and head plate 1, namely when movable block 7 moves to the end position of loose slot, the head advance of the plate 1 or displacement of retrogressing reaches maximization, namely ensure that the moving displacement of cylinder 2 mouth is fixed, avoid a plate 1 to stretch out displacement excessive and reduce the effect of occupant's neck protection, reduce head plate 1 simultaneously and thoroughly do not cause the driving of occupant or comfort level reduces by bus when resetting.
Head plate 1 or framework 3 can produce certain impact when moving to the end position of himself, this impact effect can be embodied directly in connecting rod 5 or between movable block 7 and loose slot, can directly cause time serious connecting rod 5 or movable block 7 impaired, therefore, the spring 8 be arranged between adjust bar 4 and framework 3 sidewall can ensure that the impulsive force of himself is cushioned a part close to during its end position moving to by a plate 1 or framework 3, make the moving velocity of a plate 1 relatively mild and there will not be acceleration suddenly or the situation of slowing down, realizing the object extending headrest service life.
As preferably, in cylinder 2 mouth retraction process, head plate 1 is comparatively slow with the movement of framework 3, but there will be along the small size swing in the radial direction of cylinder 2 mouth simultaneously, then the present embodiment selects torsion spring 8, the imposed stress on or Off-Radial direction radial at it can be born, be interrupted the state occurring swinging in framework 3 under, buffer action is produced to it, ensure its stability simultaneously.
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; the protection domain be not intended to limit 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 (3)
1. protect a using method for the active headrest of automobile passenger neck safety, it is characterized in that, comprise the following steps:
The control module (9) that cylinder (2) is electrically connected first directly is communicated with automobile active safety system by A;
B is when the distance of the vehicle and this car that are positioned at automobile rear is in a dangerous values scope, control module (9) directly by command transfer to cylinder (2), the mouth of cylinder (2) is upheld, head plate (1) is driven to move forward, make the support section of headrest close to occupant's head, and then when realizing being limited in rear-end impact in advance head relatively with the motion backward of upper trunk, the whiplash injury that when collision free occurs, the startup of cylinder causes not in time occurs;
C is when the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, control module (9) is control cylinder (2) retraction directly, cylinder (2) mouth drives head plate (1) to move backward, and then the head of occupant and the support section of headrest are resetted, without the need to M/C, the protection of realization headrest is synchronous with automobile safety system;
Above-mentioned steps comprises the cylinder (2) be fixed in headrest, the control module (9) be electrically connected with cylinder (2) and to be connected with head plate (1) two ends and cross-sectional plane is the framework (3) of U-shaped, described framework (3) is slidably arranged in headrest, the open end of described framework (3) is provided with a plate (1), described head plate (1) is connected with the mouth of cylinder (2), cylinder (2) end relative with mouth is provided with adjust bar (4), also comprise two connecting rods (5), one end and the adjust bar (4) of described connecting rod (5) are hinged, the other end of connecting rod (5) is provided with movable block (7), the madial wall of framework (3) just to adjust bar (4) has two dovetail grooves (6) matched with movable block (7).
2. a kind of using method protecting the active headrest of automobile passenger neck safety according to claim 1; it is characterized in that: be provided with spring (8) at described adjust bar (4) end, described spring (8) is just connected the inwall of adjust bar (4) side with framework (3).
3. a kind of using method protecting the active headrest of automobile passenger neck safety according to claim 2, is characterized in that: described spring (8) is torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695831.XA CN105346417A (en) | 2015-10-26 | 2015-10-26 | Using method of active headrest for protecting safety of neck of automobile passenger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695831.XA CN105346417A (en) | 2015-10-26 | 2015-10-26 | Using method of active headrest for protecting safety of neck of automobile passenger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105346417A true CN105346417A (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510695831.XA Pending CN105346417A (en) | 2015-10-26 | 2015-10-26 | Using method of active headrest for protecting safety of neck of automobile passenger |
Country Status (1)
| Country | Link |
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| CN (1) | CN105346417A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1156429A (en) * | 1994-08-30 | 1997-08-06 | Ltg自动化安全控制股份公司 | Apparatus for counteracting cervical injuries |
| CN203186150U (en) * | 2013-04-02 | 2013-09-11 | 恒洋汽车座椅（天津）有限公司 | Adjustable automobile seat assembly |
| CN104192032A (en) * | 2014-09-24 | 2014-12-10 | 上海华迎汽车零部件有限公司 | Automobile headrest |
| CN105253043A (en) * | 2015-10-22 | 2016-01-20 | 成都易默生汽车技术有限公司 | Active headrest use method |
-
2015
- 2015-10-26 CN CN201510695831.XA patent/CN105346417A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1156429A (en) * | 1994-08-30 | 1997-08-06 | Ltg自动化安全控制股份公司 | Apparatus for counteracting cervical injuries |
| CN203186150U (en) * | 2013-04-02 | 2013-09-11 | 恒洋汽车座椅（天津）有限公司 | Adjustable automobile seat assembly |
| CN104192032A (en) * | 2014-09-24 | 2014-12-10 | 上海华迎汽车零部件有限公司 | Automobile headrest |
| CN105253043A (en) * | 2015-10-22 | 2016-01-20 | 成都易默生汽车技术有限公司 | Active headrest use method |
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| PB01 | Publication | ||
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Application publication date: 20160224 |