CN105253043A - Active headrest use method - Google Patents
Active headrest use method Download PDFInfo
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- CN105253043A CN105253043A CN201510683989.5A CN201510683989A CN105253043A CN 105253043 A CN105253043 A CN 105253043A CN 201510683989 A CN201510683989 A CN 201510683989A CN 105253043 A CN105253043 A CN 105253043A
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- cylinder
- headrest
- automobile
- framework
- control module
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Abstract
The invention discloses an active headrest use method. The use method comprises the following steps that a control module electrically connected with an air cylinder is communicated with an automobile active safety system; when a distance between a vehicle behind an automobile and the automobile is within a dangerous value range, the control module directly transmits an order to the air cylinder; an output end of the air cylinder extends and drives a head plate to move forward, so a supporting part of the headrest closes to a driver head; when a distance between the vehicle behind the automobile and the automobile is within a safe value range, the control module can directly control retraction of the air cylinder; and the output end of the air cylinder drives the head plate to move backward and the driver head and the supporting part of the headrest reset. Manual operation is unnecessary and synchronization between the headrest protection and the automobile safety system can be achieved and reliability coefficient of the automobile driving safety can be enhanced.
Description
Technical field
The present invention relates to Intelligent Vehicle Initiative Security System, specifically refer to a kind of using method of active headrest.
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 of active headrest, 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:
A using method for active headrest, comprises the following steps:
The control module that cylinder is electrically connected by A is directly communicated with automobile active safety system;
B 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, now the mouth of cylinder is upheld, and drives head plate to move forward, and makes the support section of resting the head on close to occupant's head;
C is when the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, and the direct control cylinder of control module bounces back, and namely cylinder mouth drives head plate to move backward, and then the head of occupant and the support section of headrest are resetted;
In above-mentioned steps, the control module comprise the cylinder be fixed in headrest, being 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, 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 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 by A is directly communicated with automobile active safety system;
B 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, now the mouth of cylinder is upheld, and drives head plate to move forward, and makes the support section of resting the head on close to occupant's head;
C is when the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, and the direct control cylinder of control module bounces back, and namely cylinder mouth drives head plate to move backward, and then the head of occupant and the support section of headrest are resetted;
In above-mentioned steps, comprise 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. a using method for active headrest, is characterized in that, comprises the following steps:
The control module that cylinder (2) is electrically connected by A is directly communicated with automobile active safety system;
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), now the mouth of cylinder (2) is upheld, and drives head plate (1) to move forward, and makes the support section of headrest close to occupant's head;
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, 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;
In above-mentioned steps, comprise 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. the using method of a kind of active headrest according to claim 1, is characterized in that: be provided with spring (8) at described adjust bar (4) end, and described spring (8) is just connected the inwall of adjust bar (4) side with framework (3).
3. the using method of a kind of active headrest according to claim 1, is characterized in that: described spring (8) is torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510683989.5A CN105253043A (en) | 2015-10-22 | 2015-10-22 | Active headrest use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510683989.5A CN105253043A (en) | 2015-10-22 | 2015-10-22 | Active headrest use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105253043A true CN105253043A (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510683989.5A Pending CN105253043A (en) | 2015-10-22 | 2015-10-22 | Active headrest use method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105253043A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235566A (en) * | 2015-10-26 | 2016-01-13 | 成都云科新能汽车技术有限公司 | Automobile headrest structure for neck protection after rear-end collision |
| CN105235558A (en) * | 2015-10-26 | 2016-01-13 | 成都云科新能汽车技术有限公司 | Active headrest protecting neck safety of passengers |
| CN105346417A (en) * | 2015-10-26 | 2016-02-24 | 成都云科新能汽车技术有限公司 | Using method of active headrest for protecting safety of neck of automobile passenger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0158986B1 (en) * | 1996-06-29 | 1998-12-01 | 양재신 | A seat for the use of a car with a neck support |
| US6199900B1 (en) * | 1997-06-09 | 2001-03-13 | Gary D. Zeigler | Vehicle safety collision headrest system |
| CN101098801A (en) * | 2005-11-08 | 2008-01-02 | 丰田自动车株式会社 | Occupant protection device |
| CN102849009A (en) * | 2012-09-12 | 2013-01-02 | 江苏大学 | Early warning and protection system for rear-end collision in expressway and control method |
| CN104691381A (en) * | 2013-12-09 | 2015-06-10 | 任波 | Novel active headrest driven by electromagnetism |
| CN104802678A (en) * | 2015-04-28 | 2015-07-29 | 奇瑞汽车股份有限公司 | Vehicle safety headrest, headrest controller of vehicle safety headrest and control method of vehicle safety headrest |
-
2015
- 2015-10-22 CN CN201510683989.5A patent/CN105253043A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0158986B1 (en) * | 1996-06-29 | 1998-12-01 | 양재신 | A seat for the use of a car with a neck support |
| US6199900B1 (en) * | 1997-06-09 | 2001-03-13 | Gary D. Zeigler | Vehicle safety collision headrest system |
| CN101098801A (en) * | 2005-11-08 | 2008-01-02 | 丰田自动车株式会社 | Occupant protection device |
| CN102849009A (en) * | 2012-09-12 | 2013-01-02 | 江苏大学 | Early warning and protection system for rear-end collision in expressway and control method |
| CN104691381A (en) * | 2013-12-09 | 2015-06-10 | 任波 | Novel active headrest driven by electromagnetism |
| CN104802678A (en) * | 2015-04-28 | 2015-07-29 | 奇瑞汽车股份有限公司 | Vehicle safety headrest, headrest controller of vehicle safety headrest and control method of vehicle safety headrest |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235566A (en) * | 2015-10-26 | 2016-01-13 | 成都云科新能汽车技术有限公司 | Automobile headrest structure for neck protection after rear-end collision |
| CN105235558A (en) * | 2015-10-26 | 2016-01-13 | 成都云科新能汽车技术有限公司 | Active headrest protecting neck safety of passengers |
| CN105346417A (en) * | 2015-10-26 | 2016-02-24 | 成都云科新能汽车技术有限公司 | Using method of active headrest for protecting safety of neck of automobile passenger |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160120 |