36 results about "Whiplash injury" patented technology

A low cost whiplash reduction system for a host vehicle, said host vehicle including a sensor arrangement operable to detect closing velocities of one or more rearwardly approaching objects substantially in a direction of travel of the host vehicle, and a processing arrangement for receiving information from the sensor arrangement indicative of said detected closing velocities, said processing arrangement being operable to actuate adaptive safety features in response to detected velocities of detected rearwardly approaching objects to the host vehicle to automatically selectively apply said adaptive safety features in response to said information received from the sensor arrangement for avoiding or mitigating host vehicle occupant neck whiplash injury occasioned by a crash of the rearwardly approaching object and the host vehicle

The invention relates to an automobile safety device with active and passive characteristics and belongs to the field of traffic safety equipment. In the safety device, a safety belt tightening device is arranged at a headrest; an exposed end of the safety belt is connected with a safety helmet through a latch and a pin; an electromagnet and a brake mechanism which is controlled by an electromagnet coil are additionally arranged on the safety belt tightening device; an electromagnetic sensor is arranged at a safety belt reel of the safety belt tightening device and is connected to an input end of a microcomputer through a signal wire; and the output of the microcomputer is connected with an automotive engine rotating speed electric control mechanism, a brake electric control mechanism and the electromagnet coil of the safety belt tightening device. The safety device can replace an air bag, timely discover behavior disorder of a driver, timely prompt or brake, protect head safety of the driver and other passengers and prevent cervical vertebra of the driver and other passengers from being subjected to whiplash injury during an accident, and is low in cost and high in reliability.

A headrest for alleviating whiplash injury and comprising at least one support member which is uprightly fixed to a seat and a cushioning member of polyurethane foam attached to said at least one support member and enclosed in a covering material is disclosed, wherein the polyurethane foam is one having the following properties: A) A density within the range of 50 to 100 kg/m₃; B) a compressive strength between 0.9 and 3.5 mN/mm₂ at 25% deformation and between 1.3 and 4.5 mN/mm₂ at 40% deformation; C) a glass transition temperature, Tg (DSC), between −10° C. and +10° C., preferably −5° C. to +4° C.; D) a loss temperature peak maximum between 15 and 30° C.; E) a temperature range for the loss peak between −40° C. and +90° C.; and F) a loss peak area between 4.0 and 8.0.

The invention relates to a functional seat headrest and discloses a simple, rapid and effective protection measure for preventing cervical vertebra whiplash injuries. Specifically, the headrest is mainly composed of a movable headrest body, a supporting headrest body and a trigger connecting rod mechanism. The movable headrest body can rotate relative to the supporting headrest body, and the supporting headrest body is fixed to a seat back through a supporting frame. The movable headrest body is hinged to the trigger connecting rod mechanism through a connecting rod and is mainly used for preventing the cervical vertebra whiplash injuries. The supporting headrest body is used for supporting the movable headrest body, and a protruding neck-rest part is arranged on the lower front portion of the supporting headrest body and used for supporting parts under head occipital bones and preventing cervical vertebra fatigue damages. The cervical vertebra protection measure is achieved through inertia triggering; and meanwhile, the protruding neck-rest part used for supporting necks is added to the headrest, heads of passengers are effectively supported, and cervical vertebra fatigue damages are reduced, so that riding comfortableness of the vehicle passengers is improved.

The invention relates to a spinal injury rehabilitation training and protection suit. The spinal injury rehabilitation training and protection suit consists of a forehead restraint strap, a lower jaw support, a head supporting plate, straps, a spine plate, a waist restraint strap, a lower limb fixator and a standing rest device. The spinal injury rehabilitation training and protection suit has the advantages that the suit is suitable for correction of sitting and standing postures of primary and secondary school students, protection of VR game players, training and exercise protection, postoperative rehabilitation training of patients undergoing spinal operations and suitable for persons needing to strengthen back/abdominal muscles (white-collar workers/drivers and other persons sitting for a long time, having no time to exercise and accordingly suffering from waist and back ache and neck ache), prevents whiplash injury of the spines of drivers and passengers during emergency braking, prevents the spines of firemen or miners from being injured by falling crashing heavy object during fire fighting or mining, rapidly fixes the wounded suffering from spinal injury and the like. The spinal injury rehabilitation training and protection suit is provided with the standing rest device can be used for an exercising or outdoor user to have a rest at an approximate standing posture.

The invention discloses an automobile chair backrest spring and an automobile chair backrest capable of reducing whiplash injuries. The automobile chair backrest spring is provided with a main backrest spring body and a plurality of connecting parts, wherein each connecting part is fixedly connected to the main backrest spring body through an extension spring; moreover, by adopting the extension springs with corresponding performance, when the main backrest spring body is fixedly connected to an automobile chair backrest frame through all the connecting parts, each extension spring is in an elastic extension deformation state, and when an automobile which adopts the automobile chair backrest spring receives instantaneous acceleration due to rear collision with the relative speed of 20km/hor more, each extension spring gets into a plastic deformation state. Under the premise that suitable elasticity and enough support can be provided for the back of a passenger as the automobile normally runs, the automobile chair backrest spring and the automobile chair backrest reduce whiplash injuries of the neck of the passenger in the process of medium-or-low-speed rear collision, increases the safety of an automobile chair in collision; and have the advantages of simple structure and low cost and practical application value.

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.

The invention relates to a sliding chair capable of preventing a whiplash injury through self-adaptation in a rear-end collision and belongs to the technical field of vehicle active safety. According to the sliding chair, horizontally-moving energy-absorption mechanisms are installed at the two sides below the chair and each horizontally-moving energy-absorption mechanism can provide different constraint platform forces through the methods that a cylindroid capable of rotating is arranged and an energy-absorption steel disc is in contact with a semi-arc face, with the long axis of the cylindroid serving as the boundary, of the cylindroid or in contact with a semi-arc face, with the short axis of the cylindroid serving as the boundary, of the cylindroid, so that the requirement that the sliding chair is suitable for different types of rear-end collision conditions is satisfied and the large constraint platform force is provided for the high-speed rear-end collision. According to the sliding chair, the chair is prevented from sliding forwards and protection is achieved in the secondary collision. Meanwhile, the sliding chair is simple in structure, high in mechanical efficiency, remarkable in protection effect and good in application prospect.

The invention provides an automobile seat headrest rear-impact protection system, and relates to the field of electric automobiles. The automobile seat headrest rear-impact protection system comprisesa signal acquisition module, a logic judgment module, a control module and a headrest adjusting module. The signal acquisition module is used for acquiring the running information of the automobile and generating an electric signal representing the running information of the automobile and sending the electric signal to the logic judgment module; the logic judgment module receives the electric signal sent by the signal acquisition module, judges the probability coefficient of the rear impact of the automobile, and generates an electric signal representing the probability coefficient of the rear impact of the automobile and sends the electric signal to the control module; the control module is used for receiving the electric signal sent by the logic judgment module and generating a headrest adjusting signal and sending the headrest adjusting signal to the headrest adjusting module; the headrest adjusting module is used for receiving the headrest adjusting signal and executing the headrest adjusting action. According to the automobile seat headrest rear-impact protection system and the automobile, the structure is simple, the probability coefficient of rear impact of the automobileis logically judged through data monitoring of automobile running, the position of the headrest is adjusted in advance, and the whiplash injury on the neck of a passenger during rear impact is reduced.

The invention relates to a method and system for controlling an active headrest in rear-end collision and a vehicle, which relate to the technical field of vehicle safety. The method comprises the following steps of judging whether each seat meets a headrest starting condition or not according to the state of a passenger on each seat in the vehicle, judging whether a rear-end collision hidden danger exists or not according to the motion parameters of the rear coming vehicle, and if judging that the rear-end collision hidden danger exists, controlling the seat headrest meeting the headrest starting condition to move to the set safety position. According to the embodiment of the invention, whether the rear-end collision of the rear coming vehicle occurs can be predicted, the active headrest is controlled to the set safe position in advance, and the whiplash injury of the headrest to the passenger in the rear-end collision accident is effectively reduced.

The invention discloses a headrest adjusting structure capable of preventing a whiplash injury of a passenger. The headrest adjusting structure comprises a cylinder, a control module and a frame; the frame is fixed within the headrest; an output end of the cylinder is connected with one end of an adjusting rod and the other end of the adjusting rod is connected with a head plate; the adjusting rod is mounted on an end portion of the cylinder; a coaxial fixed block is mounted on the adjusting rod; two connecting rods B are symmetrically arranged in an axis of the adjusting rod on an end face of one side, directly facing the head plate, of the fixed block; the free ends of the connecting rods B are hinged to one end of a connecting rod A and a connecting rod C, respectively; the other end of the connecting rod A is hinged to the bottom of the head plate, while the other end of the connecting rod C is hinged to a sidewall of the frame. When a distance of a vehicle behind the present automobile to the present automobile is within a safe value range, the control module directly controls the cylinder to retract and the adjusting rod drives the head plate to move backwards so that the head of a passenger and a supporting portion of the head rest return, and therefore, no manual operation is required, synchronization of headrest protection and an automobile safety system is realized; furthermore, a reliability coefficient of automobile driving safety is enhanced.

The safety helmet comprises a helmet shell and wind shielding goggles, a storage groove for storing the safety air bag is formed in the lower portion of the rear neck position of the helmet shell, thebuffering safety air bag is installed in the storage groove, the safety air bag is communicated with an air generator, and the air generator is connected with the wind shielding goggles. The gas generator is arranged on the helmet shell, a collision sensor and a safety air bag control module are arranged on the helmet shell, and the collision sensor is electrically connected to the safety air bagcontrol module. The automobile airbag is reasonable in design, on the basis of reducing the injury condition of whiplash injury caused by neck displacement due to rear-end collision or other collisions, the occupied space of the airbag is small, and the automobile airbag is convenient to produce and manufacture and more beneficial to use of a user.

The invention discloses a lumbar support control method which comprises the following steps S1, when collision occurs, enabling a collision sensor to generate a collision signal and transmit the collision signal to an airbag controller; S2, judging whether rear collision occurs or not by the air bag controller, if not, not withdrawing the lumbar support, and if the rear collision occurs, transmitting a signal to the motor controller by the air bag controller; and S3, enabling a motor controller to issue a driving instruction to the lumbar support motor, so that the action of retracting the lumbar support is realized. According to the scheme, whiplash injuries to passengers during rear collision are reduced, and the safety performance of the whole automobile is improved; according to the scheme, whiplash injuries to passengers during rear collision are reduced, and the safety of the whole automobile is improved.