CN108621879B - The automatic regulating system and method for child safety seat - Google Patents
The automatic regulating system and method for child safety seat Download PDFInfo
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- CN108621879B CN108621879B CN201810651568.8A CN201810651568A CN108621879B CN 108621879 B CN108621879 B CN 108621879B CN 201810651568 A CN201810651568 A CN 201810651568A CN 108621879 B CN108621879 B CN 108621879B
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- vital sign
- child safety
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- 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
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
Abstract
The present invention relates to a kind of Automatic adjustment method of child safety seat and systems, and this method comprises the following steps: acquisition rides in the vital sign data of the children on child safety seat in real time；Time interval according to setting analyzes vital sign data collected, forms vital sign data corresponding with time interval；And compare the vital sign data of current time interval and the vital sign data of previous interval, the backrest angle of child safety seat is adjusted according to comparison result and is adjusted in synchronism the tightness of safety belt, so that the tightness of the safety belt remains unchanged during backrest angle is adjusted.The present invention is during children use child safety seat, the vital sign data of acquisition children in real time, and vital sign data is analyzed, and then the backrest angle of child safety seat is automatically adjusted according to the variation of vital sign data, and the tightness of safety belt is adjusted simultaneously, to improve the riding comfort of children.
Description
Technical field
The present invention relates to the technical field of child safety seat, refer in particular to a kind of child safety seat automatic regulating system and
Method.
Background technique
As the universal and people of automobile are higher and higher to the attention degree of children riding safety, vehicular child safety seat
Chair is increasingly paid attention to, and automobile children safety chair plays an important role to the injures and deaths for reducing children in collision accident.
Child safety seat is to meet safety and comfort requirement, and with a variety of regulatory functions, for example backrest is adjusted, head
Pillow, which is adjusted, and safety belt is elastic is adjusted etc., but these regulatory functions are both needed to parent and manually adjust, more inconvenient and manually adjust
It can not accomplish the real-time adjusting during taking.It is popularized with intelligentized, child safety seat is also needed to introduce intelligent control
The effect of making and expanding seat performance.For this purpose, need it is a kind of using intelligent control realize child safety seat automatic adjustment be
System method, to expand seat the effect of, play range.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of automatic regulating system of child safety seat is provided
And method, the regulatory function for solving existing child safety seat are both needed to manually adjust the real-time tune during can not accomplishing to take
The problem of section.
Realizing the technical solution of above-mentioned purpose is:
The present invention provides a kind of Automatic adjustment methods of child safety seat, include the following steps:
Acquisition rides in the vital sign data of the children on child safety seat in real time；
According to setting time interval vital sign data collected is analyzed, so as to form with the time
It is spaced corresponding vital sign data；And
Compare the vital sign data of current time interval and the vital sign data of previous interval, is tied according to comparing
Fruit adjusts the backrest angle of child safety seat and is adjusted in synchronism the tightness of safety belt, so that adjusted in backrest angle
The tightness of the safety belt remains unchanged in the process.
The present invention acquires the vital sign data of children, and right during children use child safety seat in real time
Vital sign data is analyzed, so automatically adjusted according to the variation of vital sign data child safety seat by dorsal horn
Degree, and the tightness of safety belt is adjusted simultaneously, to improve the riding comfort of children.
The Automatic adjustment method of child safety seat of the present invention further improvement lies in that, further includes:
When analyzing vital sign data collected, the seat state number of corresponding child safety seat is recorded
According to；
Multiple groups vital sign data and corresponding seat state data are analyzed, to obtain vital sign data phase one
Corresponding seat state data when cause, and obtained seat state data are stored as to the seat state data of standard；
The backrest angle that child safety seat is adjusted according to comparison result, when the vital sign data changes,
The backrest angle is adjusted to the backrest angle in the seat state data of the standard.
The Automatic adjustment method of child safety seat of the present invention further improvement lies in that, according to comparison result adjust children
The backrest angle of safety seat and the tightness for being adjusted in synchronism safety belt, further includes:
When the vital sign data does not change, whether the body posture for detecting children changes, if the body of children
Body posture does not change within the set time, then judges that children enter sleep state, adjusts the backrest angle to the youngster
The backrest of virgin safety seat is resisted against automotive seat.
The Automatic adjustment method of child safety seat of the present invention further improvement lies in that, be adjusted in synchronism the elastic of safety belt
Degree, comprising:
Pressure data at the shift structure of acquisition safety belt in real time；
It is whether consistent with the pressure data of previous moment to compare current pressure data, the peace is adjusted if inconsistent
The tightness of full band is so that current pressure data is consistent with the pressure data of previous moment.
The Automatic adjustment method of child safety seat of the present invention further improvement lies in that, further includes:
In some time interval, when the seat state data change, the seat state data are occurred
Vital sign data before change is analyzed and records corresponding seat state data as one group of vital sign data and right
The seat state data answered, and recalculate the time interval.
The present invention also provides a kind of automatic regulating systems of child safety seat, comprising:
Acquisition unit, for acquiring the vital sign data for riding in the children on child safety seat；
The analytical unit being connect with the acquisition unit, for being acquired according to the time interval of setting to the acquisition unit
Vital sign data analyzed so as to form vital sign data corresponding with the time interval；And
The adjusting unit being connect with the analytical unit, for comparing the vital sign data of current time interval and previous
The vital sign data of time interval adjusts the backrest angle of child safety seat according to comparison result and is adjusted in synchronism safety belt
Tightness so that the tightness of the safety belt remains unchanged during backrest angle is adjusted.
The automatic regulating system of child safety seat of the present invention further improvement lies in that, further include and the analytical unit
The statistic unit connected with the adjusting unit；
The acquisition unit is also used to acquire the seat state data of child safety seat；
The analytical unit records the corresponding children of the acquisition unit acquisition when analysis obtains vital sign data
The seat state data of safety seat；
The statistic unit analyzes multiple groups vital sign data and corresponding seat state data, to obtain life
Corresponding seat state data when sign data is consistent, and obtained seat state data are stored as to the seat shape of standard
State data；
The comparison result is the vital sign data when changing, and the adjusting unit is by the backrest angle tune
Save the backrest angle into the seat state data of the standard.
The automatic regulating system of child safety seat of the present invention further improvement lies in that, the adjusting unit include sleep
Judgment module and the backrest adjustment module being connect with the sleep judgment module；
When the comparison result is that vital sign data does not change, the sleep judgment module obtains the body posture of children
Data simultaneously judge whether body posture data change within the set time, judge that children enter sleep shape if not changing
State, and then backrest regulating command is formed to the backrest adjustment module；
The backrest angle is adjusted to the children's safety according to the backrest regulating command by the backrest adjustment module
The backrest of seat is resisted against automotive seat.
The automatic regulating system of child safety seat of the present invention further improvement lies in that, the adjusting unit further include pressure
Power comparison module and the safety belt adjustment module being connect with the pressure comparison module；
Pressure data at shift structure of the pressure comparison module for acquiring safety belt in real time, and it is more current
Whether pressure data and the pressure data of previous moment are consistent, and safety belt regulating command is sent if inconsistent to the safety belt
Adjustment module；
The safety belt adjustment module adjusts the tightness of safety belt so that working as according to the safety belt regulating command
Preceding pressure data is consistent with the pressure data of previous moment.
The automatic regulating system of child safety seat of the present invention further improvement lies in that, further include and the analytical unit
The timer of connection and the seat state comparator being connect with the timer；
The timer sends analysis instruction to the analytical unit so that the analysis is single according to the time interval
Member analyzes vital sign data according to the analysis instruction；
The comparator is also connect with the acquisition unit, the child safety seat for acquisition unit acquisition
Seat state data, whether seat state data described in multilevel iudge change, and reset indication is sent if changing
To the timer, so that the timer sends analysis instruction to the analytical unit and recalculates the time interval.
Detailed description of the invention
Fig. 1 is the structural representation of child safety seat in the Automatic adjustment method and system of child safety seat of the present invention
Figure.
Fig. 2 is in the Automatic adjustment method and system of child safety seat of the present invention at child safety seat middle-grade bit architecture
Structural schematic diagram.
Fig. 3 is safety belt in child safety seat in the Automatic adjustment method and system of child safety seat of the present invention and leans on
The structural schematic diagram of back.
Fig. 4 is the structure rested the head in child safety seat in the Automatic adjustment method and system of child safety seat of the present invention
Schematic diagram.
Fig. 5 is the flow chart of the Automatic adjustment method of child safety seat of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Refering to Fig. 5, the present invention provides a kind of Automatic adjustment method of child safety seat and systems, by seat
Sensor is installed at the positions such as armrest cover plate, backrest, headrest, cushion, during children each time use child safety seat,
Every vital sign data and current environment inside car data to children are monitored analysis, including body temperature, heart rate, blood pressure,
Vehicle interior temperature and current vehicle speed etc..By the variation of children's vital sign data, automatic adjustment child safety seat is realized
Posture, so that children are in more comfortable posture, and adjust the tightness of safety belt while adjusting angle of backrest,
Not only it can guarantee that safety seat was adjusted to comfortable posture, but also can guarantee the safety of child safety seat.It is right with reference to the accompanying drawing
The Automatic adjustment method and system of child safety seat of the present invention are illustrated.
The automatic regulating system of child safety seat provided by the invention is illustrated below.
The automatic regulating system of child safety seat of the invention includes acquisition unit, the analysis list connecting with acquisition unit
Member and the adjusting unit being connect with analytical unit.
Acquisition unit therein rides in the vital sign data of the children on child safety seat for acquiring in real time, should
Vital sign data includes the data such as the body temperature, heart rate and blood pressure of children.
Analytical unit be used to be analyzed according to the time interval vital sign data that acquires acquisition unit of setting from
And vital sign data corresponding with time interval is formed, which can be 10 minutes, 15 minutes or 30 minutes,
Certainly, which can also be manually set according to the demand of user.If time interval is 30 minutes, then analyze
Unit every 30 minutes can to this 30 minutes in the collected all children's vital sign data of acquisition unit carry out intelligence point
Analysis, which includes screening to all data in this 30 minutes, abnormal data is deleted, and to remaining data into
Row weighted average, to obtain children's vital sign data of the time interval.Abnormal data therein can be according to comparing one by one
Judge, vital sign data is compared with standard value, if the difference between the vital sign data and standard value is excessive,
And the frequency that the excessive data of the difference occur is less, then can determine whether that the vital sign data is abnormal data.
It adjusts unit and is used to compare the vital sign data of current time interval and the vital sign number of previous interval
According to, when analytical unit for the first time analyzed only obtain one group of vital sign data when, which is not processed, when point
After unit is analysed by analysis acquisition vital sign data more than two, adjusts unit and bring into operation.It is more current to adjust unit
Time interval vital sign data and previous interval vital sign data, to check current vital sign data
Whether change, adjust the backrest angle of child safety seat further according to comparison result and is adjusted in synchronism the elastic journey of safety belt
Degree, so that the tightness of safety belt remains unchanged during backrest angle is adjusted.
In the vital sign data of the relatively children at surrounding time interval, and according to comparison result by child safety seat tune
More comfortable position is saved, so that children enjoy comfortable ride experience, and when adjusting child safety seat, is adjusted in synchronism
The tightness of backrest angle and safety belt, the tightness for being able to maintain safety belt is constant, plays and is effectively protected to children,
And the case where avoiding only adjusting angle of backrest and safety belt is made to become tension generation.
As a better embodiment of the invention, as shown in Figure 1, acquisition unit includes being installed on child safety seat 20
Handrail 24 on photoelectric sensor, the photoelectric sensor be used for when the hand and arm with children contact, real-time monitoring children
Body temperature, heart rate and blood pressure, and form real-time temperature data, heart rate data and blood pressure data, those temperature datas, the heart
The vital sign data of rate data and blood pressure data as children.Preferably, automatic regulating system of the invention is deposited including one
Storage unit, the photoelectric sensor of acquisition unit is by the temperature data of the children collected in real time, heart rate data and blood pressure number
According to being stored in storage unit, in order to analytical unit to the collected temperature data of institute, heart rate data and blood pressure data into
Row analysis.
Further, acquisition unit is also used to acquire the seat state data of child safety seat 20, the seat state number
The letter such as tightness according to the operating status and safety belt that include backrest angle, height of headrest, heating mechanism and ventilating mechanisms
Cease data.As shown in figure 3, being provided with backrest tune in the backrest frames 22 of child safety seat 20 and the junction of cushion skeleton 21
Mechanism 221 is saved, the current backrest angle of child safety seat 20 is obtained by the adjusting angle of the backrest regulating mechanism 221；Peace
Full band 26 is stretched out out of backrest frames 22, and when stretching out, the safety belt 26 bypasses the shift structure 25 by back setting and is placed in
The outside of virgin safety seat 20, the shift structure 25 have the gear of different height, are adapted to not by selecting different gears
The demand of level children.Acquisition unit further includes the pressure sensor at shift structure 25, passes through pressure sensor
The pressure data at shift structure 25 is detected, reacts the tightness of safety belt by pressure data.As shown in figure 4, youngster
Virgin safety seat 20 is equipped with the headrest 27 that can move up and down adjusting at the top of backrest frames 22, and 27 bottom of resting the head on is installed with
Guide rod, the bottom of the guide rod are connected with push-rod electric machine 271, can drive guide rod upward or downward using push-rod electric machine 271
It is mobile, to realize the height adjustment of headrest 27, inductor is equipped at the push-rod electric machine 271, to incude on push-rod electric machine 271
The length that push rod stretches out, so that height locating for 27 of resting the head on can be obtained according to the length that push rod stretches out.On child safety seat 20
It is provided with heating mechanism and ventilating mechanisms, so that ventilating mechanisms are opened when temperature is higher, when temperature is lower
It opens heating mechanism and is provided with inductive switch in heating mechanism and ventilating mechanisms to improve the comfort level of children, induction is opened
It closes and will form corresponding signal when opening and closing, so as to react the operating status of heating mechanism and ventilating mechanisms.Acquisition
Unit obtains backup plate angle by backup plate regulating mechanism, and the pine of safety belt is obtained by being set to the pressure sensor at shift structure
Tight degree obtains height of headrest by the push-rod electric machine 271 at headrest 27, passes through the inductive switch of heating mechanism and ventilating mechanisms
The operating status for obtaining the heating mechanism and ventilating mechanisms using those acquired data as seat state data, and stores
In in storage unit.
Further, automatic regulating system of the invention further includes the statistics list connecting with analytical unit and adjusting unit
Member.After acquisition unit collects the seat state data of child safety seat, analytical unit obtains vital sign number in analysis
According to when, record the acquisition unit acquisition corresponding child safety seat seat state data namely analytical unit foundation when
Between seat state data corresponding to the corresponding vital sign data of interval acquiring and the time interval.Statistic unit is to multiple groups
Vital sign data and corresponding seat state data are analyzed, with obtain vital sign data it is consistent when corresponding seat
Chair status data, and obtained seat state data are stored as to the seat state data of standard, preferably, the seat of the standard
Status data is stored in storage unit.Statistic unit makes for realizing continuous optimization function, child safety seat for a long time
During, statistic unit can carry out intellectual analysis to all vital sign datas and corresponding seat status data, from
And seat state data all corresponding to the vital sign data of Children Normal are counted, and from all seat states
Choose that the highest seat state data of the frequency of occurrences are most healthy as children, state of the most comfortable in data, namely as standard
Seat state data stored.Certainly, the seat state data of the standard are not fixed, but a dynamic adjustment
Data use, the new number that the seat state of the standard is generated according to use process according to the long-term accumulation of child safety seat
According to and be adjusted correspondingly, can be closer to the state of children's the most comfortable.
Unit is adjusted when being adjusted according to comparison result, the seat state number for the standard that can be obtained according to statistic unit
It is adjusted according to child safety seat.When comparison result changes for vital sign data, adjusts unit and pacify children
The backrest angle of full seat 20 is adjusted to the backrest angle in the seat state data of standard, to improve the comfortable of children's ride-on
Degree.The vital sign data changes, and preferably, the body temperature of children is normal, and heart rate and blood pressure data are slightly higher.It adjusts single
Member further includes the height adjustment to headrest 27 when adjusting child safety seat 20, and the push-rod electric machine 271 at control headrest 27 is transported
Row, by 27 height of headrest of the height adjustment into the seat state data of standard of resting the head on.
Unit is adjusted to compare by the vital sign data of the vital sign data of current time interval and previous moment
Compared with when, automatic regulating system can provide a secure threshold to adjust unit, the secure threshold be body temperature, heart rate and blood pressure it is normal
Fluctuation range, the secure threshold can be also manually set by user.After adjusting unit formation comparison result, by the comparison result
It is compared with secure threshold, sees whether the comparison result has exceeded secure threshold, when without departing from secure threshold, adjust unit
It is adjusted according to seat state data pair child's safety seat of standard, if exceeding secure threshold, adjusts one report of unit control
Alert unit is alarmed.Alarm unit includes the side by buzzing, LED light and vibration being arranged on child safety seat 20
The alarm that formula is alarmed adjusts unit when comparison result exceeds secure threshold, is alarmed by alarm to remind
Parent pays attention to.
As another better embodiment of the invention, adjusts unit and include sleep judgment module and judge with the sleep
The backrest adjustment module of module connection；Sleep judgment module be used to judge the children that ride on child safety seat 20 whether into
Enter sleep state, backrest adjustment module carries out backrest adjusting according to the instruction for adjusting unit.When comparison result is vital sign number
When according to not changing, the sleep judgment module for adjusting unit is triggered, which obtains the body posture data of children
And judge whether body posture data change within the set time, judge that children enter sleep state if not changing, into
And the sleep judgment module forms backrest regulating command to backrest adjustment module.Backrest adjustment module will according to backrest regulating command
The backrest that backrest angle is adjusted to child safety seat 20 is resisted against automotive seat, and the backrest elevation angle at this time is larger, can allow
Child sleeps more stable.Sleep judgment module therein obtains the body posture data of children, as shown in Figure 1, can be pacified by children
The pressure sensor being arranged at the cushion 23 of full seat 20 is realized, when the data that the pressure sensor is monitored are constant,
It can determine whether that the body posture data of children do not change.
Preferably, as shown in figure 3, being equipped with backrest regulating mechanism in the junction of backrest frames 22 and cushion skeleton 21
221, which realizes the adjusting of backrest angle, the angle adjustor installed on backrest frames 22 by angle adjustor
It is connected by a motor driven, backrest adjustment module is connect with the motor of driving angle adjustor, by controlling the operation of motor come real
Angle adjustor rotation is now adjusted, and then realizes the adjusting of backrest angle.
As another better embodiment of the invention, in conjunction with shown in Fig. 2 and Fig. 3, adjusting unit further includes that pressure compares
Module and the safety belt adjustment module connecting with pressure comparison module, pressure comparison module therein are used to compare the shelves of safety belt
Whether the pressure data at bit architecture 25 changes, and safety belt adjustment module is according to the multilevel iudge result of pressure comparison module
To carry out the adjusting of safety belt.Safety belt 26 is installed on a safety belt controlling mechanism 261, passes through safety belt controlling mechanism 261
Safety belt 26 is installed on backrest frames 22, safety belt adjustment structure 261 includes a shaft, and the both ends of the shaft are fixed on one
In angle adjustor, angle adjustor is fixed on backrest frames 22, is rotated by safety belt motor driven angle adjustor, and then angle adjustor drives
Shaft rotation, and safety belt 26 is wound in shaft, to control the folding and unfolding of safety belt 26 by the rotation of shaft, is realized
The adjusting of the tightness of safety belt 26.Specifically, pressure comparison module is acquired in real time at the shift structure 25 of safety belt 26
Pressure data, the pressure data can be obtained by being mounted on pressure sensor at shift structure 25, and pressure comparison module is to obtaining
The pressure data taken is compared, and whether the pressure data of the current pressure data of multilevel iudge and previous moment is consistent, if not
It is consistent then send safety belt regulating command to safety belt adjustment module；Safety belt adjustment module is adjusted according to safety belt regulating command
The tightness of safety belt is so that current pressure data is consistent with the pressure data of previous moment.That is, when pressure
The comparison result of power comparison module is that pressure becomes larger, and shows that safety belt becomes tight, safety belt adjustment module controls safety belt tune at this time
The safety belt motor reversal at mechanism 261 is saved to release safety belt 26, so that safety belt fluffs, until pressure data and variation
Preceding pressure data reaches unanimity.Pressure comparison module is when relatively pressure data changes, by the number pressure of previous moment
According to as referring to data, it is compared with the pressure data in 26 adjustment process of safety belt, the pressure during subsequent adjustment
When data are consistent with referring to data, surface safety band is adjusted in place.When the comparison result of pressure comparison module is that pressure becomes smaller,
Surface safety band fluffs, and the safe translator at the safety belt controlling mechanism 261 of safety belt adjustment module control at this time is rotated forward to incite somebody to action
Safety belt 26 is tightened, so that safety belt becomes tight, until pressure data reaches unanimity with the pressure data before variation.Peace of the invention
It realizes that the folding and unfolding of safety belt is adjusted using angle adjustor with regulating mechanism entirely, enables in the adjustment process of safety belt, angle modulation
Device locking always, can provide huge locking power in time, guarantee that safe constraint function is reliable and stable.
As another better embodiment of the invention, automatic regulating system of the invention further includes connecting with analytical unit
Timer and the seat state comparator that is connect with timer；Timer sends analysis to analytical unit according to time interval and refers to
It enables so that analytical unit analyzes vital sign data according to analysis instruction；Comparator is also connect with acquisition unit, is used
In the seat state data for the child safety seat for comparing acquisition unit acquisition, whether the multilevel iudge seat state data occur
Variation sends reset indication to timer if changing, so that timer sends analysis instruction and again to analytical unit
Calculate time interval.It is realized by timer and seat state comparator when child safety seat generating state changes, it is right
State change before period in vital sign data carry out analysis as one group of vital sign data, and by this group of life entity
Data storage corresponding with the seat state data before seat state variation is levied, the data acquisition of following time interval section is then started
Analysis.
As better embodiment another again of the invention, the communication of mobile terminal of acquisition unit and user (or parent) connect
It connects, collected children's vital sign data is sent to mobile terminal and is shown.Adjust unit also with communication of mobile terminal
Connection adjusts unit and sends information warning to mobile terminal to mention when adjusting unit judges comparison result beyond secure threshold
Wake up user.
Automatic regulating system of the invention further includes the temperature sensor being installed on cushion 23 and vehicle speed sensor, temperature
Sensor is used to detect interior temperature formation temperature data, judges the temperature data by a processing unit, works as temperature data
When lower than first set temperature, processing unit controls heating mechanism operation to be heated, when temperature data is higher than one second
When set temperature, processing unit controls ventilating mechanisms operation to cool down.Preferably, the first set temperature is 16 degrees Celsius,
Second set temperature is 28 degrees Celsius.First set temperature and the second set temperature can artificially be set as needed by user
It is fixed.Vehicle speed sensor is used to detect the travel speed of automobile, and processing unit judges whether the travel speed is too fast, in processing unit
It is set with a standard speed, when travel speed is more than the standard speed, processing unit is controlled on child safety seat
ISOFIX is received most tightly, also i.e. by the length adjustment of ISOFIX stretching child safety seat to minimum, so that child safety seat
Closer to automotive seat, and processing unit sends control instruction to unit is adjusted with adjusting angle of backrest, enables backrest tight
It is tightly attached on automotive seat, preferably to protect children.ISOFIX on child safety seat is driven by a push-rod electric machine
Connection drives the ISOFIX to stretch out or withdraw using push-rod electric machine, and processing unit is controllable to pass through when needing to adjust ISOFIX
The operation of push-rod electric machine is to withdraw ISOFIX in child safety seat, so that child safety seat is closer to automotive seat.
The Automatic adjustment method of child safety seat provided by the invention is illustrated below.
As shown in Figure 1, the Automatic adjustment method of child safety seat provided by the invention, includes the following steps:
Step S11 is executed, acquisition rides in the vital sign data of the children on child safety seat in real time；The life entity
Levying data includes the data such as the body temperature, heart rate and blood pressure of children.Then step S12 is executed.
Step S12 is executed, the time interval according to setting analyzes vital sign data collected, to be formed
Corresponding with time interval vital sign data；The time interval can be 10 minutes, 15 minutes or 30 minutes, when
So, which can also be manually set according to the demand of user.If time interval is 30 minutes, then every 30
Minute can carry out intellectual analysis to all children's vital sign datas collected in this 30 minutes, which includes pair
All data in this 30 minutes are screened, and abnormal data is deleted, and is weighted and averaged to remaining data, to obtain
Children's vital sign data of the time interval.Abnormal data therein can judge according to comparing one by one, by vital sign number
It is compared according to standard value, if the difference between the vital sign data and standard value is excessive, and the data that the difference is excessive
The frequency of appearance is less, then can determine whether that the vital sign data is abnormal data.Then step S13 is executed.
Step S13 is executed, the vital sign data of current time interval and the vital sign number of previous interval are compared
According to, the backrest angle of child safety seat is adjusted according to comparison result and is adjusted in synchronism the tightness of safety belt, so that
The tightness of safety belt remains unchanged during backrest angle is adjusted.
The present invention acquires the vital sign data of children, and right during children use child safety seat in real time
Vital sign data is analyzed, so automatically adjusted according to the variation of vital sign data child safety seat by dorsal horn
Degree, and the tightness of safety belt is adjusted simultaneously, to improve the riding comfort of children.
As a better embodiment of the invention, further includes:
When analyzing vital sign data collected, the seat state number of corresponding child safety seat is recorded
According to；
Multiple groups vital sign data and corresponding seat state data are analyzed, to obtain vital sign data phase one
Corresponding seat state data when cause, and obtained seat state data are stored as to the seat state data of standard；
It will be leaned on according to the backrest angle that comparison result adjusts child safety seat when vital sign data changes
Dorsal horn degree is adjusted to the backrest angle in the seat state data of standard.
It can be by above-mentioned automatic regulating system to the acquisition of vital sign data and seat state data in the present invention
Acquisition unit is realized.Statistics list in automatic regulating system can be passed through to the analysis of vital sign data and seat state data
Member is realized.For details, reference can be made to automatic to be realized by the adjusting unit in automatic regulating system to the adjusting of backrest angle
Acquisition unit, statistic unit and the function description for adjusting unit in regulating system.
As another better embodiment of the invention, the backrest angle of child safety seat is adjusted simultaneously according to comparison result
It is adjusted in synchronism the tightness of safety belt, further includes:
When vital sign data does not change, whether the body posture for detecting children changes, if the body appearance of children
State does not change within the set time, then judges that children enter sleep state, adjusting angle of backrest to child safety seat
Backrest is resisted against automotive seat.Wherein detection children's torso posture can be realized by the pressure sensor being arranged on cushion,
Whether the data for judging the pressure sensor monitoring are constant, if then judging that the body posture of children does not change.
As another better embodiment of the invention, it is adjusted in synchronism the tightness of safety belt, comprising:
Pressure data at the shift structure of acquisition safety belt in real time；
It is whether consistent with the pressure data of previous moment to compare current pressure data, safety belt is adjusted if inconsistent
Tightness so that current pressure data is consistent with the pressure data of previous moment.The ratio of pressure data in the present invention
Compared with and the adjusting of safety belt tightness can pass through the pressure comparison module and safety belt adjustment module in automatic regulating system
To realize.
As another better embodiment of the invention, further includes:
In some time interval, when seat state data change, before changing to seat state data
Vital sign data is analyzed and records corresponding seat state data as one group of vital sign data and corresponding seat
Status data, and recalculate time interval.
It as better embodiment another again of the invention, connect, will be collected in real time with the communication of mobile terminal of user
Children's vital sign data be sent to mobile terminal and show.In relatively vital sign data, judge that comparison result is
It is no to exceed secure threshold, if then sending information warning to mobile terminal to remind user.Simultaneously in comparison result beyond safety
When threshold value, alarm can also be controlled and alarmed.
While the car is driving, interior temperature is detected, when vehicle interior temperature is lower than first set temperature, opens and adds
Heat engine structure carries out heating service；When vehicle interior temperature is higher than one second set temperature, unlatching ventilating mechanisms cool down.Preferably,
First set temperature is 16 degrees Celsius, and the second set temperature is 28 degrees Celsius.First set temperature and the second set temperature can
It is manually set as needed by user.
While the car is driving, the form speed for detecting automobile controls youngster when travel speed is more than a standard speed
ISOFIX on virgin safety seat is received most tightly, and the length adjustment that ISOFIX is also stretched out child safety seat makes to minimum
Child safety seat closer to automotive seat, and adjusting angle of backrest enables backrest to be tightly attached on automotive seat,
Preferably to protect children.ISOFIX on child safety seat is drivingly connected by a push-rod electric machine, is driven using push-rod electric machine
The ISOFIX is moved to stretch out or withdraw, it, can be by controlling the operation of push-rod electric machine to receive ISOFIX when needing to adjust ISOFIX
It returns in child safety seat, so that child safety seat is closer to automotive seat.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (8)
1. a kind of Automatic adjustment method of child safety seat, which comprises the steps of:
Acquisition rides in the vital sign data of the children on child safety seat in real time；
According to setting time interval vital sign data collected is analyzed, so as to form with the time interval
Corresponding vital sign data；And
Compare the vital sign data of current time interval and the vital sign data of previous interval, according to comparison result tune
Save the seat state of child safety seat；Further include the steps that the seat state data of established standards:
When analyzing vital sign data collected, the seat state data of corresponding child safety seat are recorded；
Obtained from multiple groups vital sign data and corresponding seat state data vital sign data it is consistent when it is corresponding
Seat state data, and obtained seat state data are stored as to the seat state data of standard；
The seat state of child safety seat is adjusted according to the seat state data of comparison result and standard.
2. the Automatic adjustment method of child safety seat as described in claim 1, which is characterized in that further include according to compare knot
Fruit adjusts the backrest angle of child safety seat and is adjusted in synchronism the tightness of safety belt, comprising:
When the vital sign data does not change, whether the body posture for detecting children changes, if the body appearance of children
State does not change within the set time, then judges that children enter sleep state, adjusts the backrest angle and pacifies to the children
The backrest of full seat is resisted against automotive seat.
3. the Automatic adjustment method of child safety seat as described in claim 1, which is characterized in that further include being adjusted in synchronism peace
The tightness of full band, comprising:
Pressure data at the shift structure of acquisition safety belt in real time；
It is whether consistent with the pressure data of previous moment to compare current pressure data, the safety belt is adjusted if inconsistent
Tightness so that current pressure data is consistent with the pressure data of previous moment.
4. the Automatic adjustment method of child safety seat as described in claim 1, which is characterized in that further include:
In some time interval, when the seat state data change, change to the seat state data
Preceding vital sign data is analyzed and records corresponding seat state data as one group of vital sign data and corresponding
Seat state data, and recalculate the time interval.
5. a kind of automatic regulating system of child safety seat characterized by comprising
Acquisition unit, for acquiring the vital sign data for riding in the children on child safety seat；
The analytical unit being connect with the acquisition unit, the life for being acquired according to the time interval of setting to the acquisition unit
Life sign data is analyzed so as to form vital sign data corresponding with the time interval；And
The adjusting unit being connect with the analytical unit, for compare current time interval vital sign data and the previous time
The vital sign data at interval adjusts the seat state of child safety seat according to comparison result；It further include single with the analysis
First statistic unit connected with the adjusting unit；
The acquisition unit is also used to acquire the seat state data of child safety seat；
The analytical unit records the corresponding children's safety of the acquisition unit acquisition when analysis obtains vital sign data
The seat state data of seat；
The statistic unit obtains vital sign data phase one from multiple groups vital sign data and corresponding seat state data
Corresponding seat state data when cause, and obtained seat state data are stored as to the seat state data of standard；
When the comparison result is that the vital sign data changes, the unit that adjusts is according to the seat state number of standard
According to the seat state for adjusting child safety seat.
6. the automatic regulating system of child safety seat as claimed in claim 5, which is characterized in that the adjusting unit includes
Sleep judgment module and the backrest adjustment module being connect with the sleep judgment module；
When the comparison result is that vital sign data does not change, the sleep judgment module obtains the body posture data of children
And judge whether body posture data change within the set time, judge that children enter sleep state if not changing, into
And backrest regulating command is formed to the backrest adjustment module；
The backrest angle is adjusted to the child safety seat according to the backrest regulating command by the backrest adjustment module
Backrest be resisted against automotive seat.
7. the automatic regulating system of child safety seat as claimed in claim 5, which is characterized in that the adjusting unit also wraps
The safety belt adjustment module for including pressure comparison module and being connect with the pressure comparison module；
Pressure data at shift structure of the pressure comparison module for acquiring safety belt in real time, and more current pressure
Whether the pressure data of data and previous moment is consistent, and safety belt regulating command to the safety belt is sent if inconsistent and is adjusted
Module；
The safety belt adjustment module adjusts the tightness of safety belt so that current according to the safety belt regulating command
Pressure data is consistent with the pressure data of previous moment.
8. the automatic regulating system of child safety seat as claimed in claim 5, which is characterized in that further include and the analysis
The timer of unit connection and the seat state comparator being connect with the timer；
The timer according to the time interval to the analytical unit send analysis instruction so that the analytical unit according to
Vital sign data is analyzed according to the analysis instruction；
The comparator is also connect with the acquisition unit, the seat of the child safety seat for acquisition unit acquisition
Whether chair status data, seat state data described in multilevel iudge change, and reset indication is sent if changing to institute
Timer is stated, so that the timer sends analysis instruction to the analytical unit and recalculates the time interval.
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| CN201810651568.8A CN108621879B (en) | 2018-06-22 | 2018-06-22 | The automatic regulating system and method for child safety seat |
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| CN201810651568.8A CN108621879B (en) | 2018-06-22 | 2018-06-22 | The automatic regulating system and method for child safety seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109733257B (en) * | 2019-02-28 | 2023-09-26 | 南京信息工程大学 | Automobile intelligent seat for monitoring child safety and control method |
| CN109835224A (en) * | 2019-04-01 | 2019-06-04 | 麦克英孚(宁波)婴童用品有限公司 | A kind of children's seat active safety system, control method and the seat including it |
| CN110154841A (en) * | 2019-05-13 | 2019-08-23 | 麦克英孚(宁波)婴童用品有限公司 | According to the safety seat and its control system of the automatic adjustment of child passenger sleep state |
| CN110091772A (en) * | 2019-05-31 | 2019-08-06 | 上海璞奔新材料科技有限公司 | Child safety seat and working method with temperature and ventilation parameters function |
| EP3848240B1 (en) * | 2020-01-08 | 2022-10-19 | Ningbo Geely Automobile Research & Development Co. Ltd. | A child seat, a child seat system, and a method for operating a child seat system |
| CN115503641B (en) * | 2022-10-27 | 2023-09-19 | 深圳曦华科技有限公司 | Child safety seat setting method of intelligent cabin domain controller and related products |
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