CN104842836B - A kind of induction head support structure for chair - Google Patents
A kind of induction head support structure for chair Download PDFInfo
- Publication number
- CN104842836B CN104842836B CN201510291866.7A CN201510291866A CN104842836B CN 104842836 B CN104842836 B CN 104842836B CN 201510291866 A CN201510291866 A CN 201510291866A CN 104842836 B CN104842836 B CN 104842836B
- Authority
- CN
- China
- Prior art keywords
- movable part
- headrest
- control module
- head
- distance detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A kind of induction head support structure for chair disclosed by the invention comprising headrest fixed part and headrest movable part with movable part driving mechanism of resting the head on, move forward and backward trigger switch, distance detection sensor and control module.When rear-end collision moment occurs for vehicle, crash sensor on vehicle body exports collision alarm to control module, control module is sent out to distance detection sensor requires measuring signal, and distance detection sensor detects the distance between driver or occupant and headrest movable part and is transmitted back to control module；Control module distance detection signal calculates headrest movable part and needs the distance that moves forward and travelled forward specified distance by movable part driving mechanism fast driving of resting the head on movable part of resting the head on, make headrest movable part before the head movement to designated position of driver or occupant in place, the support on the head during knocking into the back to driver or occupant is undertaken, the cervical injuries degree of driver or occupant are reduced.
Description
Technical field
The present invention relates to the technical field of the seat, more particularly to a kind of induction head support structure for chair.
Background technology
When being knocked into the back to reduce vehicle, the probability of passenger's whiplass evil is European, in Chinese new car evaluation rubric all
The requirement of seat whiplash is increased, each OEM in these appraisement systems in order to obtain high evaluation, one after another to automotive seats
Chair supplier proposes the requirement of whiplash high scores.The various designs for improving seat whiplash performances are also come into being.
According to the current theory for anti-whip design, need the distance between reduction manikin head and headrest anti-to improve
Performance is whipped, but the gap between head and headrest is too small, can lead to the uncomfortable of head；For such case, many seats
Supplier development active headrest design remains larger distance, to ensure between initial position, head and headrest
The comfort on head, knock into the back occur when, by some mechanism arrangements, push headrest Forward in a short time, reduce head and
The distance between headrest, to improve the performance of anti-whip；Although this design is propagated its belief on a large scale, but some shortcomings,
Mainly
1. this stroke to travel forward of resting the head on is certain, cannot adjust；
2. anti-whip experiment in, the build of dummy, multiply seated posture be to maintain it is consistent, existing product also just for
Test requirements document is designed, and is ensured that the distance between head and headrest meet and tested again after design requirement, but in reality
In the service condition of border, the build of occupant, it is different to multiply seated posture all, this will cause between the head of passenger and headrest
Distance be all different, gap it is big may result in the decline of anti-whip performance；
In addition, there is no the stepless front and back headrest design adjusted in current seat design.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of sense for the deficiency present in existing chair headrest
Head support structure for chair is answered, to improve the anti-whip performance of chair headrest.
What the technical problems to be solved by the invention can be achieved through the following technical solutions：
A kind of induction head support structure for chair, including：
Chair headrest, the chair headrest include a headrest fixed part and a headrest movable part, and the headrest fixed part is logical
Head rest pole is crossed on the backrest, the headrest movable part is mounted on the headrest fixed part and opposite driver
Or occupant's head is stretched, which is characterized in that further includes：
One headrest movable part driving mechanism, the headrest movable part driving mechanism include one mounted on the headrest fixed part
Interior driving motor, the deceleration mechanism driven by the driving motor, the straight-line motion mechanism driven by the deceleration mechanism, institute
Stating straight-line motion mechanism drives the headrest movable part to carry out stretching motion with respect to driver or occupant's head；
One is mounted on described rest the head on moves forward and backward trigger switch, the signal for moving forward and backward trigger switch on fixed part
Output end output headrest movable part is moved forward and backward drive signal；
One is mounted on the distance detection sensor on the headrest movable part, and the distance detection sensor is driven to detect
The person of sailing or the distance between occupant's head and the headrest movable part, the signal output end of the distance detection sensor sends out distance
Detect signal；
One control module, the control module are mounted in the headrest fixed part or headrest movable part, the control module
The first communication port move forward and backward trigger switch communication with described and connect, receive and move forward and backward the signal output end of trigger switch
The headrest movable part of output is moved forward and backward drive signal；Second communication port of the control module is passed with the distance detection
The communication port of sensor connects, and the letter that detection instructs and receives the distance detection sensor is sent out to the distance detection sensor
The distance detection signal that number output end is sent out；The third communication port of the control module and the crash sensor on vehicle body
Signal output end connects, and receives the collision alarm of the signal output end output from crash sensor；The driving of the control module
Control terminal is connect with the driving motor drive control in the headrest movable part driving mechanism；The control module and vehicle body power supply
Connection, by the vehicle body power supply power supply, the vehicle body power supply also by the control module and described moves forward and backward trigger switch
To the driving motor, distance detection sensor power supply；
The workflow of entire induction head support structure for chair is as follows：
Trigger switch is moved forward and backward when driver or occupant press, trigger switch is moved forward and backward and sends out and believe forward or backward
Number, the control module receives this forward or backward after signal, and control module sends out pulse by calculating to the driving motor
Signal is controlled, the driving motor starts according to received pulse control signal and transported by the deceleration mechanism, straight line
Motivation structure drives the headrest movable part to move forwards or backwards specified position, when headrest movable part arrives at specified position
Afterwards, driver or occupant, which unclamp, moves forward and backward trigger switch, movable part stop motion of resting the head on；
When rear-end collision moment occurs for vehicle, the signal output end of the crash sensor on vehicle body exports a collision alarm extremely
The control module after the control module receives the collision alarm, sends out requirement to the distance detection sensor and measures letter
Number, after the distance detection sensor receives requirement detection signal, start to detect between driver or occupant and headrest movable part
Distance and form the distance detection signal and be transmitted back to the control module；The control module receives the distance detection
After the distance detection signal that sensor sends over, acquisition headrest movable part is calculated according to distance detection signal and needs to move forward
Distance and pulse control signal is sent out to the driving motor according to the distance calculated, the driving motor is according to being received
The pulse control signal arrived starts and by resting the head on movable part described in the deceleration mechanism, straight-line motion mechanism fast driving forward
The specified distance of movement so that headrest movable part in place, undertakes and chases after before the head movement to designated position of driver or occupant
To the support on the head of driver or occupant during tail, the cervical injuries degree of driver or occupant are reduced；Entirely act
Cheng Hou, the control module drive the headrest movable part to return to origin-location by the deceleration mechanism, straight-line motion mechanism.
In a preferred embodiment of the invention, guiding is installed between the headrest fixed part and headrest movable part
Mechanism, the headrest movable part are moved forward and backward along the guiding mechanism.
In a preferred embodiment of the invention, the driving motor is in high-speed electric expreess locomotive, stepper motor, servo motor
One kind.
In a preferred embodiment of the invention, the deceleration mechanism is turbine and worm decelerator or planetary gear reduction
Fast mechanism.
In a preferred embodiment of the invention, the straight-line motion mechanism is lead screw screw straight-line motion mechanism, snail
Worm and gear straight-line motion mechanism or gear rack straight motion.
In a preferred embodiment of the invention, the control module include a Power Management Unit, a driving unit,
One central processing unit, a CAN bus driving unit and an I/O units, the power input of the Power Management Unit and institute
The connection of vehicle body power supply is stated, the power output end of the Power Management Unit is connect simultaneously with the driving unit, central processing unit
To the driving unit, central processing unit power supply, the Power Management Unit is also total to CAN by the central processing unit
Line driving unit and the power supply of I/O units, the central processing unit connect with the CAN bus driving unit and the I/O units
It connects and is connect with the driving unit by the I/O units, the CAN bus driving unit is passed with the collision on the vehicle body
Sensor connects, and receives the vehicle body collision alarm from crash sensor；The driving unit to the driving motor power and with
The driving motor control connection, the I/O units and the distance detection sensor move forward and backward trigger switch and driving
Unit connects.
In a preferred embodiment of the invention, the trigger switch that moves forward and backward can be replaced by an inductive switch,
The inductive switch is mounted in the headrest movable part, and the headrest movable part is held to perceive driver or occupant
Power forward or backward simultaneously generates headrest movable part and is moved forward and backward drive signal and export to the control module；
The workflow of entire induction head support structure for chair is as follows：
When driver or occupant, which hold headrest movable part, to exert oneself forward or backward, the inductive switch detects institute
It states headrest movable part and signal and is sent to control module forward or backward, control module receives this forward or backward after signal, warp
It crosses calculating and sends out pulse control signal to the driving motor, the driving motor is opened according to received pulse control signal
It moves and drives the headrest movable part to move forwards or backwards specified position by the deceleration mechanism, straight-line motion mechanism,
After movable part of resting the head on arrives at specified position, movable part stop motion of resting the head on；
When rear-end collision moment occurs for vehicle, the signal output end of the crash sensor on vehicle body exports a collision alarm extremely
The control module after the control module receives the collision alarm, sends out requirement to the distance detection sensor and measures letter
Number, after the distance detection sensor receives requirement detection signal, start to detect between driver or occupant and headrest movable part
Distance and form the distance detection signal and be transmitted back to the control module；The control module receives the distance detection
After the distance detection signal that sensor sends over, acquisition headrest movable part is calculated according to distance detection signal and needs to move forward
Distance and pulse control signal is sent out to the driving motor according to the distance calculated, the driving motor is according to being received
The pulse control signal arrived starts and by resting the head on movable part described in the deceleration mechanism, straight-line motion mechanism fast driving forward
The specified distance of movement so that headrest movable part in place, undertakes and chases after before the head movement to designated position of driver or occupant
To the support on the head of driver or occupant during tail, the cervical injuries degree of driver or occupant are reduced；Entirely act
Cheng Hou, the control module drive the headrest movable part to return to origin-location by the deceleration mechanism, straight-line motion mechanism.
In a preferred embodiment of the invention, the distance detection sensor is that infrared ray distance detection senses
Device.
In a preferred embodiment of the invention, the distance detection sensor be mounted on the headrest movable part towards
The centre position of driver or occupant's side.
As a result of technical solution as above, anti-whip performance of the invention is greatly improved, while in headrest
Headrest movable part can realize electrodeless front and back adjusting.
Description of the drawings
Fig. 1 is the appearance schematic rear view of present invention induction chair headrest.
Fig. 2 is the appearance front schematic view of present invention induction chair headrest.
Fig. 3 is the distance detection sensor scheme of installation in present invention induction chair headrest.
Fig. 4 is the distance detection sensor mounting structure schematic diagram in present invention induction chair headrest.
Fig. 5 is the functional block diagram of the control module in present invention induction chair headrest.
Fig. 6 is the scheme of installation of the control module in present invention induction chair headrest.
Fig. 7 is a kind of headrest movable part driving mechanism structure and scheme of installation in present invention induction chair headrest.
Fig. 8 is another headrest movable part driving mechanism structure and scheme of installation in present invention induction chair headrest.
Fig. 9 is that the headrest movable part in present invention induction chair headrest moves flow chart.
Figure 10 is that the headrest movable part in present invention induction chair headrest meets with mobile flow chart when colliding.
Specific implementation mode
Referring to Fig. 1 and Fig. 2, the induction head support structure for chair provided in figure, including chair headrest 100, the chair headrest 100
Including a headrest headrest movable part 120 of fixed part 110 and one, headrest fixed part 110 is mounted on the seat by head rest pole 130
In backrest (not shown), headrest movable part 120 be mounted on headrest fixed part 110 and opposite driver or occupant's head into
Row is flexible, and headrest fixed part 110 and headrest movable part 120 are all made of plastics and are made, the outside of the two be coated with foaming body and
Surface cover, the mode for coating foaming body and surface cover are the same as those in the prior art, and details are not described herein.
The feature that the present invention incudes head support structure for chair is, further includes a set of headrest movable part driving mechanism,
To realize the stepless front and back adjusting of headrest movable part 120.
Referring to Fig. 6 to Fig. 8, which includes a driving electricity being mounted in headrest fixed part 110
Machine 210, the deceleration mechanism 220 driven by driving motor 210, the straight-line motion mechanism driven by deceleration mechanism 220, linear motion
Mechanism driving headrest movable part 120 carries out stretching motion with respect to driver or occupant's head.
One kind in high-speed electric expreess locomotive, stepper motor, servo motor may be used in driving motor 210.Deceleration mechanism 220 is snail
Worm and gear deceleration mechanism or planetary gear reducing mechanism.Which kind of uses as driving motor 210 and deceleration mechanism 220, this can be with
It needs to select according to client, in addition driving motor 210 and deceleration mechanism 220 are the prior art, and details are not described herein.
The straight-line motion mechanism of the present invention is lead screw screw straight-line motion mechanism, worm and gear straight-line motion mechanism or gear
Rack linear motion, these straight-line motion mechanisms are the prior art, and those skilled in the art are known, therefore no longer superfluous
It states.Straight-line motion mechanism shown in fig. 7 is worm and gear straight-line motion mechanism 230, and straight-line motion mechanism shown in fig. 8 is
Gear rack straight motion 240.
For the stationarity for keeping headrest movable part 120 to move, between headrest fixed part 110 and headrest movable part 120
It is provided with guiding mechanism 300, guide post and guide sleeve structure form may be used in guiding mechanism 300, can also use sliding rail and sliding block
Structure type can carry out arbitrary selection to those skilled in the art.
It is moved forwards or backwards to control headrest movable part 120, before and after the side of headrest fixed part 110 is equipped with one
Motion triggers switch 400, the signal output end output headrest movable part 120 for moving forward and backward trigger switch 400 are forwardly and rearwardly transported
Dynamic drive signal.It can certainly be not provided with moving forward and backward trigger switch 400, only one induction of setting in headrest movable part 120
(not shown) is switched, inductive switch holds headrest movable part 120 forward or backward to perceive driver or occupant
Power and generate headrest movable part 120 be moved forward and backward drive signal output.
In order to improve the anti-whip performance of the present invention, the present invention is equipped with a distance detection on headrest movable part 120 and passes
Sensor 500, which is an infrared ray distance detection sensor, to detect driver or occupant's head
The signal output end of the distance between headrest movable part 120, the distance detection sensor 500 sends out distance detection signal.
The mounting means of distance detection sensor 500 is：Referring to Fig. 3 and Fig. 4, in headrest movable part 120 towards driver
Or the centre position holes the Wa Youyi 121a of occupant's side 121, distance detection sensor 500 are mounted in the 121a of the hole, in this way
Mounting means distance detection sensor 500 will not be made to leave over the head of driver or occupant.
The control module 600 of the present invention may be mounted in headrest fixed part 110 or headrest movable part 120, referring to Fig. 6,
The control module 600 includes a Power Management Unit 610, a driving unit 620, a central processing unit 630, a CAN bus
Driving unit 640 and an I/O units 650, the power input of Power Management Unit 610 are connect with vehicle body power supply, power management
The power output end of unit 610 connect with driving unit 620, central processing unit 630 and to driving unit 620, central processing
Unit 630 is powered, and Power Management Unit 610 also gives CAN bus driving unit 640 and I/O units by central processing unit 630
650 power supplies, central processing unit 630 connect with CAN bus driving unit 640 and I/O units 650 and by I/O units 650 and
Driving unit 620 connects, and CAN bus driving unit 640 is connect with the crash sensor on vehicle body, receives and comes from crash sensor
Vehicle body collision alarm；Driving unit 620 is powered to driving motor 210 and is controlled with driving motor 210 and connected, I/O units 650
A communication port connect with distance detection sensor 500, on the one hand give distance detection sensor 500 power, on the other hand with
Distance detection sensor 500 communicates.Second communication port of I/O units 650 is connect with trigger switch 400 is moved forward and backward, front and back
400 one side of motion triggers switch controls power supply and the off-position of entire control module, on the other hand generates forwardly and rearwardly
Move drive signal.If moving forward and backward trigger switch 400 and being replaced by an inductive switch, inductive switch only generates forward
Drive signal is moved backward.The third communication port of I/O units 650 is connect with driving unit 620, realization and driving unit
620 communication.
Central processing unit 630 is using Freescale Freescales MPC5744P.
When the present invention is using trigger switch 400 is moved forward and backward, workflow is as follows：
Move forward and backward trigger switch 400 when driver or occupant press, move forward and backward trigger switch 400 send out forward or to
Signal afterwards, control module 600 receive this forward or backward after signal, and control module 600 is sent out by calculating to driving motor 210
Pulse control signal, driving motor 210 start according to received pulse control signal and pass through deceleration mechanism 220, straight line
Motion driving headrest movable part 120 moves forwards or backwards specified position, when headrest movable part 120 arrives at specified position
It postpones, driver or occupant unclamp and move forward and backward trigger switch 400,120 stop motion of movable part of resting the head on.
Referring to Fig. 9, detailed process is as follows：
After beginning, into power-up initializing step P100, power-up initializing is carried out, after power-up initializing, into reception
The command information step P105 that position machine is sent, in the command information step P105 that the reception host computer is sent, if received
The command information that host computer is sent, then enter and be decoded step P110 to the instruction of host computer；If be not received by
Before the command information that position machine is sent then returns to the command information step P105 for receiving host computer transmission.
The instruction of host computer is decoded in step P110, the instruction of host computer is decoded, is entered after decoding
Whether it is collision alarm instruction step P115, is instructed if it is collision alarm, carry out flow shown in Fig. 10.If not then
It enters to judge whether there is and moves forward and backward trigger switch or sense switch order step P125, judge whether there is and dynamic move forward and backward triggering
Switch or sense switch order input, if it is not, before returning to the command information step P105 that reception host computer is sent, if there is
Then enter in next step.
If the command information that host computer is sent is if headrest movable part moves forward specified P300, to enter headrest and live
Whether dynamic portion has arrived front position judgment step P305, if headrest movable part has arrived front position, enters stopping driving electricity
Machine makes headrest movable part advancing step P330 until terminating；If headrest movable part does not reach front position, enters and drive
Dynamic motor makes headrest movable part advancing step P310, driving headrest movable part move forward.
In movable part movement forward of resting the head on, whether the instruction moved forward at any time into headrest movable part stops sentencing
Disconnected step P315 stops the instruction moving forward if headrest movable part, then entering stopping driving motor making headrest movable part
Advancing step P330 is until terminate；If it is not, then continuing to make headrest movable part advancing step into driving motor
P320 has simultaneously arrived front position judgment step P325 to movable part of resting the head on, if headrest movable part has arrived front position, enters
Stopping driving motor making headrest movable part advancing step P330 until terminating；If headrest movable part does not arrive front position,
Then returning to driving motor makes headrest movable part advancing step P310, driving headrest movable part move forward.
It referring to Figure 10, is instructed if it is collision alarm, enters collision alarm and instruct operating procedure P200, then into
Judge it is current whether real-time measurement distance step P205, if desired obtain driver or occupant's head among headrest movable part
Range information, then it enters and obtains driver or occupant's head and the range information step P215 among headrest movable part,
Driver or occupant's head are obtained with after the range information among headrest movable part, then enters acquired driver or occupant's head
Whether it is more than safe distance judgment step with the range information among headrest movable part, if being not greater than safe distance, into
Enter step P100, is carried out according to the program described in Fig. 9.If more than safe distance, then enter headrest activity not position to Forward
Dynamic instruction step P225, and then be back to and obtain driver or occupant's head and the range information step among headrest movable part
P215 is recycled.
If the command information that host computer is sent is if headrest movable part moves backward specified P400, to enter headrest and live
Dynamic portion whether position judgment step P405 to the end, if headrest movable part position to the end, enters stopping driving electricity
Machine makes headrest movable part move backward step P430 until terminating；If headrest movable part does not reach rearmost position, enters and drive
Dynamic motor makes headrest movable part move backward step P410, and driving headrest movable part moves backward.
During movable part of resting the head on moves backward, whether the instruction moved backward at any time into headrest movable part stops sentencing
Disconnected step P415 stops the instruction moving backward if headrest movable part, then entering stopping driving motor making headrest movable part
Step P430 is moved backward until terminating；If it is not, then continuing that headrest movable part is made to move backward step into driving motor
P420 and to the movable part position judgment step P425 to the end that rests the head on, if headrest movable part position to the end, enters
Stopping driving motor making headrest movable part move backward step P430 until terminating；If the no position to the end of movable part of resting the head on,
Then returning to driving motor makes headrest movable part move backward step P410, and driving headrest movable part moves backward.
When the present invention uses inductive switch, workflow is as follows：
When driver or occupant, which hold headrest movable part 120, to exert oneself forward or backward, inductive switch detects to the end
Pillow movable part 120 signal and is sent to control module 600 forward or backward, and control module 600 receives the signal forward or backward
Afterwards, pulse control signal is sent out to driving motor 210 by calculating, driving motor 210 is believed according to received Pulse Width Control
Number start and by deceleration mechanism 220, straight-line motion mechanism driving headrest movable part 120 move forwards or backwards specified position
It sets, after movable part 120 of resting the head on arrives at specified position, 120 stop motion of movable part of resting the head on.
Claims (8)
1. a kind of induction head support structure for chair, including：
Chair headrest, the chair headrest include a headrest fixed part and a headrest movable part, and the headrest fixed part passes through head
It rests the head on bar to be mounted on backrest, the headrest movable part is mounted on the headrest fixed part and opposite driver or occupant's head
It stretches in portion, which is characterized in that further include：
One headrest movable part driving mechanism, the headrest movable part driving mechanism include one in the headrest fixed part
Driving motor, the deceleration mechanism driven by the driving motor, the straight-line motion mechanism driven by the deceleration mechanism are described straight
Line movement mechanism drives the headrest movable part to carry out stretching motion with respect to driver or occupant's head；
One is mounted on the trigger switch that moves forward and backward on the headrest fixed part, the signal output for moving forward and backward trigger switch
Output headrest movable part in end is moved forward and backward drive signal；
One is mounted on the distance detection sensor on the headrest movable part, and the distance detection sensor is detecting driver
Or the distance between occupant's head and the headrest movable part, the signal output end of the distance detection sensor send out distance detection
Signal；
One control module, the control module are mounted on the headrest fixed part or rest the head in movable part, and the of the control module
One communication port moves forward and backward trigger switch communication connection with described, receives defeated from the signal output end for moving forward and backward trigger switch
The headrest movable part gone out is moved forward and backward drive signal；Second communication port of the control module is sensed with the distance detection
The communication port of device connects, and the signal that detection instructs and receives the distance detection sensor is sent out to the distance detection sensor
The distance that output end is sent out detects signal；The letter of the third communication port of the control module and the crash sensor on vehicle body
The connection of number output end receives the collision alarm of the signal output end output from crash sensor；The driving control of the control module
End processed is connect with the driving motor drive control in the headrest movable part driving mechanism；The control module connects with vehicle body power supply
Connect, by the vehicle body power supply power supply, the vehicle body power supply also by the control module and it is described move forward and backward trigger switch to
The driving motor, distance detection sensor power supply；
The workflow of entire induction head support structure for chair is as follows：
Trigger switch is moved forward and backward when driver or occupant press, trigger switch is moved forward and backward and sends out signal forward or backward, institute
It states control module and receives this forward or backward after signal, control module sends out Pulse Width Control letter by calculating to the driving motor
Number, the driving motor starts according to received pulse control signal and passes through the deceleration mechanism, straight-line motion mechanism
It drives the headrest movable part to move forwards or backwards specified position, after movable part of resting the head on arrives at specified position, drives
Member or occupant, which unclamp, moves forward and backward trigger switch, movable part stop motion of resting the head on；
When rear-end collision moment occurs for vehicle, the signal output end of the crash sensor on vehicle body exports a collision alarm to described
Control module after the control module receives the collision alarm, sends out to the distance detection sensor and requires measuring signal, institute
It states after distance detection sensor receives requirement detection signal, starts to detect the distance between driver or occupant and headrest movable part
And it forms the distance detection signal and is transmitted back to the control module；The control module receives the distance detection sensor
After the distance detection signal sended over, acquisition headrest movable part is calculated according to distance detection signal and needs the distance moved forward
And pulse control signal is sent out to the driving motor according to the distance calculated, the driving motor is according to received arteries and veins
Punching control signal enabling is simultaneously travelled forward finger by movable part of resting the head on described in the deceleration mechanism, straight-line motion mechanism fast driving
Fixed distance so that headrest movable part in place, undertakes the process of knocking into the back before the head movement to designated position of driver or occupant
In support to the head of driver or occupant, reduce the cervical injuries degree of driver or occupant；After the completion of entire action, institute
State control module drives the headrest movable part to return to origin-location by the deceleration mechanism, straight-line motion mechanism；
The control module includes a Power Management Unit, a driving unit, a central processing unit, CAN bus driving list
Member and an I/O units, the power input of the Power Management Unit are connect with the vehicle body power supply, the Power Management Unit
Power output end connect with the driving unit, central processing unit and to the driving unit, central processing unit power,
The Power Management Unit is also powered by the central processing unit to CAN bus driving unit and I/O units, the center
Processing unit connect with the CAN bus driving unit and the I/O units and by the I/O unit and the driving unit
Connection, the CAN bus driving unit are connect with the crash sensor on the vehicle body, receive the vehicle body from crash sensor
Collision alarm；The driving unit to the driving motor power and with the driving motor control connect, the I/O units with
The distance detection sensor moves forward and backward trigger switch and driving unit connection.
2. a kind of induction head support structure for chair as described in claim 1, which is characterized in that in the headrest fixed part and headrest
Guiding mechanism is installed, the headrest movable part is moved forward and backward along the guiding mechanism between movable part.
3. a kind of induction head support structure for chair as described in claim 1, which is characterized in that the driving motor is high speed electricity
One kind in machine, stepper motor, servo motor.
4. a kind of induction head support structure for chair as described in claim 1, which is characterized in that the deceleration mechanism is worm and gear
Deceleration mechanism or planetary gear reducing mechanism.
5. a kind of induction head support structure for chair as described in claim 1, which is characterized in that the straight-line motion mechanism is lead screw
Screw straight-line motion mechanism, worm and gear straight-line motion mechanism or gear rack straight motion.
6. a kind of induction head support structure for chair as described in claim 1, which is characterized in that the trigger switch that moves forward and backward can
To be replaced by an inductive switch, the inductive switch is mounted in the headrest movable part, is used to perceive driver or occupant
Hand, which catches the headrest movable part power forward or backward and generates headrest movable part, is moved forward and backward drive signal output
To the control module；
The workflow of entire induction head support structure for chair is as follows：
When driver or occupant, which hold headrest movable part, to exert oneself forward or backward, the inductive switch detects the head
Pillow movable part signal and is sent to control module forward or backward, and control module receives this forward or backward after signal, by meter
It calculates to the driving motor and sends out pulse control signal, the driving motor starts simultaneously according to received pulse control signal
It drives the headrest movable part to move forwards or backwards specified position by the deceleration mechanism, straight-line motion mechanism, works as head
After resting the head on the specified position of movable part arrival, movable part stop motion of resting the head on；
When rear-end collision moment occurs for vehicle, the signal output end of the crash sensor on vehicle body exports a collision alarm to described
Control module after the control module receives the collision alarm, sends out to the distance detection sensor and requires measuring signal, institute
It states after distance detection sensor receives requirement detection signal, starts to detect the distance between driver or occupant and headrest movable part
And it forms the distance detection signal and is transmitted back to the control module；The control module receives the distance detection sensor
After the distance detection signal sended over, acquisition headrest movable part is calculated according to distance detection signal and needs the distance moved forward
And pulse control signal is sent out to the driving motor according to the distance calculated, the driving motor is according to received arteries and veins
Punching control signal enabling is simultaneously travelled forward finger by movable part of resting the head on described in the deceleration mechanism, straight-line motion mechanism fast driving
Fixed distance so that headrest movable part in place, undertakes the process of knocking into the back before the head movement to designated position of driver or occupant
In support to the head of driver or occupant, reduce the cervical injuries degree of driver or occupant；After the completion of entire action, institute
State control module drives the headrest movable part to return to origin-location by the deceleration mechanism, straight-line motion mechanism.
7. a kind of induction head support structure for chair as described in any one of claim 1 to 6 claim, which is characterized in that described
Distance detection sensor is an infrared ray distance detection sensor.
8. a kind of induction head support structure for chair as described in any one of claim 1 to 6 claim, which is characterized in that described
Distance detection sensor is mounted on the headrest centre position of the movable part towards driver or occupant's side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510291866.7A CN104842836B (en) | 2015-06-01 | 2015-06-01 | A kind of induction head support structure for chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510291866.7A CN104842836B (en) | 2015-06-01 | 2015-06-01 | A kind of induction head support structure for chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104842836A CN104842836A (en) | 2015-08-19 |
| CN104842836B true CN104842836B (en) | 2018-07-17 |
Family
ID=53842958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510291866.7A Active CN104842836B (en) | 2015-06-01 | 2015-06-01 | A kind of induction head support structure for chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104842836B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10926684B2 (en) * | 2018-08-20 | 2021-02-23 | Windsor Machine and Stamping (2009) Ltd. | Four-way electric power actuation head restraint with automated deployment |
| CN109864862B (en) * | 2019-02-20 | 2020-08-18 | 中国人民解放军陆军军医大学第一附属医院 | Intelligent medical pedal pad |
| CN109910705A (en) * | 2019-03-28 | 2019-06-21 | 长安大学 | A kind of neck-protecting device and neck guard method for motor vehicle |
| CN110949218A (en) * | 2019-12-23 | 2020-04-03 | 北京新能源汽车股份有限公司 | Seat headrest of vehicle and vehicle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4014938B2 (en) * | 2002-06-06 | 2007-11-28 | 本田技研工業株式会社 | Vehicle occupant protection device |
| JP4810822B2 (en) * | 2004-12-09 | 2011-11-09 | トヨタ紡織株式会社 | Headrest control device |
| US7894960B2 (en) * | 2008-04-01 | 2011-02-22 | Lear Corporation | Active head restraint for a vehicle seat |
| CN102717735B (en) * | 2012-06-28 | 2014-12-17 | 上海延锋江森座椅有限公司 | Compensation type movement mechanism |
-
2015
- 2015-06-01 CN CN201510291866.7A patent/CN104842836B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104842836A (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104842836B (en) | A kind of induction head support structure for chair | |
| KR101601545B1 (en) | Seat cushion extension apparatus | |
| CN108944590B (en) | A kind of active safety seat | |
| CN205220430U (en) | Automobile safety seat | |
| CN106394320B (en) | Automotive seat regulating system and automobile | |
| CN202063032U (en) | Intelligent seat adjustment system of automobile | |
| CN103318057A (en) | Seat apparatus for vehicle | |
| CN109641540A (en) | Vehicle seat used adjustment device, position adjustment control device and vehicle seat used method of adjustment | |
| US20070052265A1 (en) | Headrest apparatus for vehicle | |
| CN104228822B (en) | The method and system moved after control seat | |
| CN107487245A (en) | Vehicle central handrail and vehicle | |
| CN105329119B (en) | The control system and method for automatic seat | |
| CN203567583U (en) | Travel switch adjusting device of electric seat | |
| CN110356287B (en) | Vehicle seat adjusting method and device, vehicle seat and vehicle | |
| CN203766562U (en) | Seat-used sitting and lying actuating mechanism and seat employing same | |
| CN103419689A (en) | Safety seat and using method | |
| KR20140068665A (en) | Massage apparatus for leg rest | |
| CN109435789A (en) | A kind of control drive system adjusted for automatic seat multi-speed | |
| CN115303153A (en) | Multifunctional automobile seat | |
| CN114580082A (en) | Electric fitting checking method for driving seat comfort level of light commercial vehicle | |
| CN109572509B (en) | Automobile, headrest and control system thereof | |
| CN203460738U (en) | Automobile seat headrest adjusting mechanism | |
| CN103303170B (en) | Multifunctional motor vehicle collision safety seat | |
| CN203438905U (en) | Three-section type automobile seat | |
| CN111204268A (en) | Vehicle and seat thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Shanghai City, Pudong New Area Kang Road 201315 Pudong Kangqiao Industrial Zone No. 669 Applicant after: Yanfeng Daotuo Ann seat Co. Address before: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 200120 Applicant before: Shanghai Yanfeng Johnson Controls Seating Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Patentee after: Yanfeng international Seat System Co.,Ltd. Address before: 201315 No. 669 Kangan Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Patentee before: YANFENG ADIENT SEATING Co.,Ltd. |