CN109278841A - Method of controlling security and safety control system for perambulator - Google Patents
Method of controlling security and safety control system for perambulator Download PDFInfo
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- CN109278841A CN109278841A CN201811149226.2A CN201811149226A CN109278841A CN 109278841 A CN109278841 A CN 109278841A CN 201811149226 A CN201811149226 A CN 201811149226A CN 109278841 A CN109278841 A CN 109278841A
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- Prior art keywords
- perambulator
- brake
- athletic posture
- sensing unit
- close
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/08—Braking mechanisms; Locking devices against movement
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
This application discloses a kind of method of controlling security and safety control system for perambulator, the perambulator includes close to sensing unit, athletic posture determining device, braking control device and braking mechanism, which includes: by the holding state for detecting user close to sensing unit；The current athletic posture of the perambulator is determined by the athletic posture determining device；And testing result and brake mode set by user based on the holding state and the athletic posture, the braking mechanism is controlled by the braking control device and executes self-actuating brake.According to technical solution disclosed in the present application, satisfactory brake operation mode can be provided in conjunction with the specific features using ground environment locating for preference and perambulator of user.
Description
Technical field
This application involves the security control fields of perambulator, specifically, being related to a kind of security control side for perambulator
Method and safety control system.
Background technique
For perambulator for carrying infant to mitigate the burden that parent embraces baby, perambulator generally comprises car body and setting
Braking mechanism can be generally arranged at rear-wheel in wheel before and after vehicle bottom, thus when needing perambulator to stop motionless
It waits, carries out brake operation.
Perambulator in the prior art is operated usually using hand-operated brake, i.e. mechanical brake switch of the parent at rear-wheel
Place is pulled, to set or release braking state.Existing brake structure of pram is stepped on generally by foot on the market
Mode engages gear or convex block is made to stick into the fixation slot position being connected with hind axle, and this mode is relatively suitble to parent in safety
In the case where use, that is, be in a safety state when by perambulator stop on one side, prevent it from walking about, and be not suitable for burst shape
Condition.
Some products for being able to carry out automatic brake operation are currently had already appeared, however such product often cannot be distinguished and use
The specific features using ground environment locating for preference and perambulator at family, it is difficult to which satisfactory usage experience is provided.
Summary of the invention
In view of the problems of the existing technology, described this application provides a kind of method of controlling security for perambulator
Perambulator includes close to sensing unit, athletic posture determining device, braking control device and braking mechanism, the security control side
Method is characterized in that
Pass through the holding state that user is detected close to sensing unit；
The current athletic posture of the perambulator is determined by the athletic posture determining device；And
Testing result and brake mode set by user based on the holding state and the athletic posture, pass through institute
It states braking control device and controls the braking mechanism execution self-actuating brake.
Optionally, the brake mode includes closing self-stopping first brake mode, according only to the holding state
Self-stopping second brake mode is executed, and is executed according to the holding state and the testing result of the athletic posture
Self-stopping third brake mode.
Optionally, according to the method for controlling security, under the third brake mode, when the detection knot of the holding state
Fruit leaves for manpower, and the testing result of the athletic posture is that the perambulator has in heeling condition or motion state
At least one when, pass through the braking control device and control the perambulator and execute self-actuating brake.
Optionally, include: by the step of holding state close to sensing unit detection user
Obtain the temperature close at sensing unit；
Temperature-compensating is carried out to the measured value close to sensing unit according to temperature obtained；And
Holding state is determined based on the measured value after the temperature-compensating close to sensing unit.
Optionally, the step of determining the perambulator current athletic posture by athletic posture determining device include:
Measure the acceleration value of the perambulator in a plurality of directions；
Time-frequency domain data conversion is carried out to the acceleration value of the perambulator in a plurality of directions, obtains each direction
On frequency domain data amplitude；And
The amplitude of frequency domain data in each direction is compared with a reference value in predetermined respective direction, and
And the current athletic posture of perambulator is determined according to the result of the comparison.
According to the another aspect of the application, a kind of safety control system for perambulator is additionally provided comprising:
Braking mechanism is configured to execute self-actuating brake under the control of braking control device；
Close to sensing unit, it is configured to the holding state of detection user；
Athletic posture determining device is configured to determine the athletic posture that the perambulator is current；And
Braking control device is configured to testing result and user based on the holding state and the athletic posture
The brake mode of setting controls the braking mechanism and executes self-actuating brake.
Optionally, which includes closing self-stopping first brake mode, is held according only to the holding state
Self-stopping second brake mode of row, and executed certainly according to the holding state and the testing result of the athletic posture
The third brake mode of dynamic brake.
Optionally, braking control device is configured under the third brake mode, when the detection knot of the holding state
Fruit leaves for manpower, and the testing result of the athletic posture is that the perambulator has in heeling condition or motion state
At least one when, control the perambulator and execute self-actuating brake.
Optionally, include: close to sensing unit
Capacitive proximity inductive pick-up, for detecting whether there are described in object proximity close to sensing unit；
Temperature acquisition device, for obtaining the temperature close at sensing unit；
Compensation circuit, for carrying out temperature-compensating to the measured value close to sensing unit according to temperature obtained；
And
Detection circuit determines holding shape based on the measured value after the temperature-compensating close to sensing unit for determining
State.
Optionally, athletic posture determining device includes:
Acceleration transducer, for measuring the acceleration value of the perambulator in a plurality of directions；
Time-frequency domain conversion circuit, for carrying out time-frequency domain to the acceleration value of the perambulator in a plurality of directions
Data conversion obtains the amplitude of frequency domain data in each direction；And
Comparator circuit, for by the base in the amplitude of frequency domain data in each direction and predetermined respective direction
Quasi- value is compared, and determines the current athletic posture of perambulator according to the result of the comparison.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the construction block diagram according to the safety control system for perambulator of the embodiment of the present application；
Fig. 2 is the rearview for being provided with the perambulator of the safety control system according to the embodiment of the present application；
Fig. 3 is on the perambulator according to the embodiment of the present application for switching the component view of brake mode；
Fig. 4 is the schematic flow chart according to the method for controlling security for perambulator of the embodiment of the present application；
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
In this application, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside",
" in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or
Positional relationship.These terms are not intended to limit indicated dress primarily to better describe the present invention and embodiment
Set, element or component must have particular orientation, or constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected ", " socket " shall be understood in a broad sense.For example,
It may be a fixed connection, be detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be direct phase
It even, or indirectly connected through an intermediary, or is two connections internal between device, element or component.
For those of ordinary skills, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, this application provides a kind of safety control system 100 for perambulator, the safety control system
100 include:
Braking mechanism 10 is configured to execute self-actuating brake under the control of braking control device；
Close to sensing unit 20, it is configured to the holding state of detection user；
Athletic posture determining device 30 is configured to determine the athletic posture that the perambulator is current；And
Braking control device 40 is configured to testing result and use based on the holding state and the athletic posture
The brake mode of family setting controls the braking mechanism and executes self-actuating brake.
Close in sensing unit 20 include such as capacitive proximity inductive pick-up, may be mounted at perambulator handle or
The position of any other suitable holding.This close to sensing unit 20 for detecting whether have object (such as manpower) hold or
Braking control device is sent to close to perambulator, and by the holding status signal for indicating the holding or proximity state.The close sense
Surveying unit 20 may include wireless transport module, be sent to brake in a manner of for that will hold status signal by wireless transmission
Control device.
In some embodiments, in order to obtain accurately close to sensing result, avoid can't detect manpower and be detached from perambulator
Dangerous situation, close to sensing unit further include:
Temperature acquisition device, for obtaining close to the temperature at sensing unit；
Compensation circuit, for carrying out temperature-compensating to the measured value close to sensing unit according to temperature obtained；And
Detection circuit, for determining holding state based on the measured value after the temperature-compensating close to sensing unit.
Braking mechanism 10 is generally located on the wheel of perambulator for realizing the brake function of perambulator, in some realities
Applying braking mechanism 10 in example can be set at the rear wheels of perambulator, to realize that perambulator keeps car body steady in brake
It is fixed.In some embodiments, braking mechanism 10 can also include movement velocity detection module, to detect whether perambulator is in
In motion state and the speed of current kinetic；Optionally, magnet mould group and Hall sensor can be used to constitute the movement
Velocity measuring module.
Athletic posture determining device 30 is the component for determining the current athletic posture of perambulator.In some embodiments
In, athletic posture determining device includes: acceleration transducer, for measuring the acceleration of the perambulator in a plurality of directions
Value；Time-frequency domain conversion circuit, for carrying out time-frequency domain data to the acceleration value of the perambulator in a plurality of directions
Conversion, obtains the amplitude of frequency domain data in each direction；And comparator circuit, for by frequency domain data in each direction
Amplitude be compared with a reference value in predetermined respective direction, and according to the result of the comparison determine perambulator it is current
Athletic posture.
In some embodiments, which can be 3 axle acceleration sensors or 6 axle accelerations sensing
Device, for measuring the acceleration value in each axial direction.
In some embodiments, which includes digital signal processor (DSP), DSP construction
To be able to carry out discrete Fourier transform (DFT) processing or executing Fast Fourier Transform (FFT) (FFT) processing.Or it is alternative
, any circuit structure for being able to carry out continuous fourier transform processing is adapted for use as above-mentioned time-frequency domain conversion circuit.
In some embodiments, above-mentioned comparator circuit can by the output data of time-frequency domain conversion circuit and in advance
The a reference value of storage is compared, and exports the lateral attitude of instruction object under test or the signal of motion state.
In some embodiments, comparator circuit is configured to the DC component in the frequency domain data in each direction
Amplitude be compared with the inclination determinating reference value in predetermined respective direction, and according to the result of the comparison determine to
Survey the heeling condition of object.
In some embodiments, comparator circuit be configured to obtain the frequency domain data in each direction amplitude it is total
With the amplitude summation is compared with the movement decision threshold in predetermined respective direction, and when being calculated
Amplitude summation be greater than the movement decision threshold when determine that the object under test is kept in motion.
Above-mentioned brake mode includes closing self-stopping first brake mode, is executed according only to the holding state automatic
Second brake mode of brake, and self-actuating brake is executed according to the holding state and the testing result of the athletic posture
Third brake mode.
Brake mode can be switched by user, and there are three types of brake modes in total.Wherein under first brake mode, electronics is stopped
Vehicle function is closed, and without self-stopping function, is primarily adapted for use in the self-stopping crowd of uncomfortable use, such as old man, because
This can close self-actuating brake, still use the hand-operated brake function of perambulator itself.Second brake mode is self-actuating brake mode,
Under the second brake mode, only judge whether perambulator is in holding state, when detect it is in one's hands be placed into stroller handle or
When on other appropriate locations, un-brake of braking leaves hand handle when detection is in one's hands, and brake is checked；Third brake mode is intelligent protection
Mode, in such a mode, if it is determined that ambient enviroment it is dangerous can self-actuating brake, when normal use will not self-actuating brake, this
Sample can promote the experience of user.
For third brake mode, specifically, following abnormal conditions (unsafe condition): slope detection can be monitored, such as
In the case that fruit hand leaves hand handle, and perambulator is in slope, then determine that perambulator is in heeling condition, at this time brake control
The control of device 40 executes brake (prevent from slipping by slope and escalator on situations such as gliding)；Motion detection, on level land,
If hand unclamps, and car body is also being moved, then determines that perambulator is kept in motion, such as high-speed rail or subway are brought to a halt, fastly
Unexpected loosing one's grip can all generate such case when speed is carried out, and the control of braking control device 40 at this time executes brake.
It is the brake mode according to set by user of braking control device 40, current in the daily use scene of perambulator
Whether in hold handle state, baby carriage body whether be in heeling condition, whether be kept in motion, movement velocity whether
It is too fast etc. to determine corresponding brake.
Two kinds of example switching modes of above-mentioned three kinds of brake modes are as follows:
(1) user passes through the button being arranged on baby carriage body and switches；
(2) user passes through the APP connection braking control device 40 on smart machine (such as mobile phone, IPAD etc.), and at this
Brake mode is switched by APP on smart machine.
As shown in figure 3, brake mode switching push button is provided in stroller handle in one embodiment, by pressing
The key " brake mode " on right side can switch brake mode, there is 4 LED beside key, respectively " APP ", " closing ",
" automatic ", " intelligence ".The wherein bright expression of " APP " LED light currently has cell phone application to connect braking control device 40, can be in APP
Brake mode is set, the bright expression of " closing " LED lamp is currently at electric brake close pattern (i.e. aforementioned first brake mode),
" automatic " LED lamp is bright to be shown to be currently at self-actuating brake mode (i.e. aforementioned second brake mode), and " intelligence " LED light is bright to be shown
It is currently at intelligent protection mode (i.e. aforementioned third brake mode).
Below to the work of electric brake close pattern, self-actuating brake mode, intelligent protection mode in some embodiments
Process is illustrated.
Electric brake close pattern: electric brake function is closed under this mode, and the hand-operated brake of traditional cart can be used
Function；Optionally, it is also possible that movement velocity detection function is opened, if movement velocity is too fast to be generated alarm (voice mentions
Show and warning lamp).
Self-actuating brake mode: it detects that someone holds handle close to sensing unit, will test result and pass through wireless transmission
Mode is sent to braking control device 40, and braking control device 40 controls braking mechanism 10 and executes un-brake, and cart can be just at this time
Often carry out.Meanwhile if movement velocity is too fast to generate alarm (voice prompting and warning lamp).It is detected when close to sensing unit
After manpower leaves, it will test result and be sent to braking control device 40 by way of wireless transmission, braking control device 40 is controlled
Braking mechanism 10 processed executes brake, and perambulator is checked.
Intelligent protection mode: when detecting that someone holds handle close to sensing unit, baby consistent with self-actuating brake mode
Vehicle can directly be carried out.After detecting that manpower leaves close to sensing unit, braking control device 40 controls braking mechanism 10 and protects
Un-brake state is held, and detects whether current perambulator is in slope and whether has movement, if being in slope or perambulator
Still meet at least one and carry out brake operation moving the two conditions, perambulator is checked, if either condition is equal
It does not meet, brake is not carried out.This mode can lead to frequently braking and un-brake since user looses one's grip to avoid during implementation,
It is capable of providing better user experience.
In an embodiment as illustrated in figure 2, Left button is power key, long-pressing shutdown, short-press booting.4 LED in left side
Play the role of electricity to show, beside numerology be battery current residual electricity percentage.
Present invention also provides a kind of method of controlling security for perambulator, as shown in figure 4, this method comprises:
S1, by the holding state for detecting user close to sensing unit；
S2 determines the current athletic posture of perambulator by athletic posture determining device；And
S3 is controlled based on the testing result and brake mode set by user for holding state and athletic posture by brake
Device control braking mechanism processed executes self-actuating brake.
In some embodiments, include: by the step of holding state close to sensing unit detection user
Obtain the temperature close at sensing unit；
Temperature-compensating is carried out to the measured value close to sensing unit according to temperature obtained；And
Holding state is determined based on the measured value after the temperature-compensating close to sensing unit.
In some embodiments, the step of current athletic posture of the perambulator being determined by athletic posture determining device
Include:
Measure the acceleration value of the perambulator in a plurality of directions；
Time-frequency domain data conversion is carried out to the acceleration value of the perambulator in a plurality of directions, obtains each direction
On frequency domain data amplitude；And
The amplitude of frequency domain data in each direction is compared with a reference value in predetermined respective direction, and
And the current athletic posture of perambulator is determined according to the result of the comparison.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, perhaps they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of method of controlling security for perambulator, the perambulator includes determining dress close to sensing unit, athletic posture
Set, braking control device and braking mechanism, the method for controlling security be characterized in that include:
Pass through the holding state that user is detected close to sensing unit；
The current athletic posture of the perambulator is determined by the athletic posture determining device；And
Testing result and brake mode set by user based on the holding state and the athletic posture, pass through the brake
Truck control device controls the braking mechanism and executes self-actuating brake.
2. method of controlling security according to claim 1, which is characterized in that the brake mode includes closing self-actuating brake
First brake mode, execute self-stopping second brake mode according only to the holding state, and according to the holding
State and the testing result of the athletic posture execute self-stopping third brake mode.
3. method of controlling security according to claim 2, which is characterized in that under the third brake mode, when described
The testing result of holding state is left for manpower, and the testing result of the athletic posture is the perambulator with skewed
When at least one of state or motion state, the braking mechanism is controlled by the braking control device and executes automatic brake
Vehicle.
4. method of controlling security according to claim 1, which is characterized in that described by detecting user close to sensing unit
Holding state the step of include:
Obtain the measured value indicated whether described in object proximity close to sensing unit；
Obtain the temperature close at sensing unit；
Temperature-compensating is carried out to the measured value close to sensing unit according to temperature obtained；And
Holding state is determined based on the measured value after the temperature-compensating close to sensing unit.
5. method of controlling security according to claim 1, which is characterized in that described to be determined by athletic posture determining device
The step of perambulator current athletic posture includes:
Measure the acceleration value of the perambulator in a plurality of directions；
Time-frequency domain data conversion is carried out to the acceleration value of the perambulator in a plurality of directions, is obtained in each direction
The amplitude of frequency domain data；And
The amplitude of frequency domain data in each direction is compared with a reference value in predetermined respective direction, and root
The current athletic posture of perambulator is determined according to comparison result.
6. a kind of safety control system for perambulator characterized by comprising
Braking mechanism is configured to execute self-actuating brake under the control of braking control device；
Close to sensing unit, it is configured to the holding state of detection user；
Athletic posture determining device is configured to determine the athletic posture that the perambulator is current；And brake control dress
It sets, is configured to testing result and brake mode set by user based on the holding state and the athletic posture, control
It makes the braking mechanism and executes self-actuating brake.
7. safety control system according to claim 6, which is characterized in that the brake mode includes closing self-actuating brake
First brake mode, execute self-stopping second brake mode according only to the holding state, and according to the holding
State and the testing result of the athletic posture execute self-stopping third brake mode.
8. safety control system according to claim 7, which is characterized in that the braking control device is configured to described
Under third brake mode, when the testing result of the holding state is left for manpower, and the testing result of the athletic posture
When there is at least one of heeling condition or motion state for the perambulator, controls the perambulator and execute automatic brake
Vehicle.
9. safety control system according to claim 6, which is characterized in that described to include: close to sensing unit
Capacitive proximity inductive pick-up, for obtaining the measurement indicated whether described in object proximity close to sensing unit
Value；
Temperature acquisition device, for obtaining the temperature close at sensing unit；
Compensation circuit, for carrying out temperature-compensating to the measured value close to sensing unit according to temperature obtained；And
Detection circuit, for determining holding state based on the measured value after the temperature-compensating close to sensing unit.
10. safety control system according to claim 6, which is characterized in that the athletic posture determining device includes:
Acceleration transducer, for measuring the acceleration value of the perambulator in a plurality of directions；
Time-frequency domain conversion circuit, for carrying out time-frequency domain data to the acceleration value of the perambulator in a plurality of directions
Conversion, obtains the amplitude of frequency domain data in each direction；And
Comparator circuit, for by a reference value in the amplitude of frequency domain data in each direction and predetermined respective direction
It is compared, and determines the current athletic posture of perambulator according to the result of the comparison.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149226.2A CN109278841A (en) | 2018-09-29 | 2018-09-29 | Method of controlling security and safety control system for perambulator |
| PCT/CN2018/120552 WO2020062595A1 (en) | 2018-09-25 | 2018-12-12 | Safety control method for baby carriage, and baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149226.2A CN109278841A (en) | 2018-09-29 | 2018-09-29 | Method of controlling security and safety control system for perambulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109278841A true CN109278841A (en) | 2019-01-29 |
Family
ID=65182262
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811149226.2A Pending CN109278841A (en) | 2018-09-25 | 2018-09-29 | Method of controlling security and safety control system for perambulator |
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| Country | Link |
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| CN (1) | CN109278841A (en) |
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Cited By (4)
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| CN112519865A (en) * | 2019-09-17 | 2021-03-19 | 上海阿柚信息科技有限公司 | Control method of baby stroller and baby stroller using same |
| CN112519866A (en) * | 2019-09-17 | 2021-03-19 | 上海阿柚信息科技有限公司 | Baby carriage |
| TWI739590B (en) * | 2019-09-17 | 2021-09-11 | 大陸商上海阿柚信息科技有限公司 | Cart and control method thereof |
| CN112519865B (en) * | 2019-09-17 | 2022-12-13 | 上海阿柚信息科技有限公司 | Control method of baby stroller and baby stroller using same |
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