CN106355828A - Method and device for detecting wearable device disengagement - Google Patents
Method and device for detecting wearable device disengagement Download PDFInfo
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- CN106355828A CN106355828A CN201610742381.XA CN201610742381A CN106355828A CN 106355828 A CN106355828 A CN 106355828A CN 201610742381 A CN201610742381 A CN 201610742381A CN 106355828 A CN106355828 A CN 106355828A
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- 230000001133 acceleration Effects 0.000 claims abstract description 239
- 238000001514 detection method Methods 0.000 claims abstract description 121
- 230000003068 static effect Effects 0.000 claims description 36
- 230000005484 gravity Effects 0.000 claims description 33
- 230000000284 resting effect Effects 0.000 claims description 17
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0286—Tampering or removal detection of the child unit from child or article
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K13/00—Devices for grooming or caring of animals, e.g. curry-combs; Fetlock rings; Tail-holders; Devices for preventing crib-biting; Washing devices; Protection against weather conditions or insects
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K29/00—Other apparatus for animal husbandry
- A01K29/005—Monitoring or measuring activity, e.g. detecting heat or mating
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Abstract
The invention discloses a method and a device for detecting wearable device disengagement. The method comprises the following steps: detecting whether the wearable device is in a dropping state by acceleration transducers; if the wearable device is in a dropping state, detecting whether the wearable device is in a stationary state after a predetermined time has elapsed; determining the wearable device is disengaged when the wearing device is in a stationary state and warning for falling state. Thus, by detecting the state of the wearable device, when the wearable device has experienced a dropping state and a stationary state, it is determined that the wearable device disengagement and the warning for falling shall be given in time. It is possible to promptly detect whether the wearable device is disengaged by the state change way of the embodiment of invention and due to the high detection accuracy, it's rare to make misjudgment and cause interference to the user so that warnings can be given to the user in time when the wearable device is disengaged and then the user may find the lost part in a timely manner for prevention of loss.
Description
Technical field
The present invention relates to house pet intelligent apparatus technical field, especially relate to a kind of method that detection wearable device comes off
And device.
Background technology
With the raising of people's living standard, the family of pet feeding gets more and more, and some families are regarded house pet
One one's share of expenses for a joint undertaking of family.However, busy work and life allow people have no time constantly to take into account house pet, and the wearable device of house pet then may be used
To monitor house pet in real time, allow people understand the emotion of house pet and various physiological change whenever and wherever possible, therefore progressively become raising
The necessary equipment of house pet.
When wearable device is worn on house pet, house pet can not felt well, and therefore can attempt to shake off wearable device, institute
Come off with house pet with often resulting in wearable device.If user's (raising people) can not find in time, will result in wearing
Equipment is lost, thus the unnecessary loss of cause the user.
Content of the invention
The main object of the present invention is for providing the method and apparatus that a kind of detection wearable device comes off it is intended to solve user not
Wearable device can be found in time to come off with house pet and lead to the technical problem of wearable device loss.
To achieve these objectives, the present invention proposes a kind of method that detection wearable device comes off, and methods described includes following step
Rapid:
Detect whether wearable device is in by acceleration transducer and fall state；
When described wearable device is in and falls state, after the Preset Time of interval, detect whether described wearable device is located
In resting state；
When described wearable device remains static, judge that described wearable device comes off, carry out the warning that comes off.
Further, described detect whether wearable device is in by acceleration transducer and fall the step of state and include:
Detect the first acceleration of described wearable device in the vertical direction by described acceleration transducer；
When described first acceleration is detected equal to acceleration of gravity, judge that described wearable device is in and fall state.
Further, described detect whether wearable device is in by acceleration transducer and fall the step of state and include:
Detect the first acceleration of described wearable device in the vertical direction by described acceleration transducer；
When described first acceleration is all detected and being equal to acceleration of gravity for continuous n time, judge that described wearable device is in
Fall state, n >=2.
Further, described detect whether wearable device is in by acceleration transducer and fall the step of state and include:
Described wearable device in the vertical direction is detected with the first interval duration timing by described acceleration transducer
First acceleration；
When described first acceleration is detected equal to acceleration of gravity, continue with described in the second interval duration timing detection
First acceleration of wearable device in the vertical direction；
When described first acceleration is all detected and being equal to acceleration of gravity for continuous n time, judge that described wearable device is in
Fall state；
Wherein, described first interval duration is more than described second interval duration, n >=2.
Further, the described step detecting whether described wearable device remains static includes:
Detect the first acceleration and the level side of described wearable device in the vertical direction by described acceleration transducer
The second acceleration upwards；
When described first acceleration is detected and described second acceleration is equal to 0, judge that described wearable device is in
Resting state.
Further, the described step detecting whether described wearable device remains static includes:
Detect the first acceleration and the level side of described wearable device in the vertical direction by described acceleration transducer
The second acceleration upwards；
When described first acceleration is all detected for continuous m time and described second acceleration is equal to 0, judge that described wearing sets
Standby remain static, m >=2.
Further, described by described acceleration transducer detect described wearable device in the vertical direction first plus
The step of the second acceleration in speed and horizontal direction includes:
Described wearable device in the vertical direction is detected with the first interval duration timing by described acceleration transducer
The second acceleration on first acceleration and horizontal direction.
Further, described vertical direction is z-axis direction, and described horizontal direction includes x-axis direction and/or y-axis direction.
Further, the step of the described warning that carries out coming off includes: sends information warning to specified equipment.
Further, the described equipment specified is the mobile terminal establishing wireless communication connection with described wearable device.
The present invention proposes the device that a kind of detection wearable device comes off simultaneously, and described device includes:
First detection module, falls state for detecting whether wearable device is in by acceleration transducer；
Second detection module, for when described wearable device is in and falls state, after the Preset Time of interval, detecting institute
State whether wearable device remains static；
Come off alarm module, for when described wearable device remains static, judging that described wearable device comes off, enters
The capable warning that comes off.
Further, described first detection module is used for:
Detect the first acceleration of described wearable device in the vertical direction by described acceleration transducer；When detecting
When described first acceleration is equal to acceleration of gravity, judges that described wearable device is in and fall state.
Further, described first detection module is used for:
Detect the first acceleration of described wearable device in the vertical direction by described acceleration transducer；As continuous n
Secondary described first acceleration is all detected and be equal to acceleration of gravity, judge that described wearable device is in and falls state, n >=2.
Further, described first detection module is used for:
Described wearable device in the vertical direction is detected with the first interval duration timing by described acceleration transducer
First acceleration；When described first acceleration is detected equal to acceleration of gravity, continue to detect with the second interval duration timing
First acceleration of described wearable device in the vertical direction；When continuous n time all detects described first acceleration equal to gravity
During acceleration, judge that described wearable device is in and fall state；Wherein, when described first interval duration is more than described second interval
Long, n >=2.
Further, described second detection module is used for:
Detect the first acceleration and the level side of described wearable device in the vertical direction by described acceleration transducer
The second acceleration upwards；
When described first acceleration is detected and described second acceleration is equal to 0, judge that described wearable device is in
Resting state.
Further, described second detection module is used for:
Detect the first acceleration and the level side of described wearable device in the vertical direction by described acceleration transducer
The second acceleration upwards；
When continuous m time all detects described first acceleration and described second acceleration is equal to 0, judge described wearing
Equipment remains static, m >=2.
Further, described second detection module is used for:
Described wearable device in the vertical direction is detected with the first interval duration timing by described acceleration transducer
The second acceleration on first acceleration and horizontal direction.
Further, the described alarm module that comes off is used for: sends information warning to specified equipment.
The method that a kind of detection wearable device that the embodiment of the present invention is provided comes off, is detected by acceleration transducer
Whether wearable device is in is fallen state, detects when being in and falling state whether wearable device enters over time more in meditation
Only state, when wearable device priority experienced and falls state and resting state, just judges that wearable device comes off, and is taken off in time
Fall warning.Carry out the detection that comes off by the way of this state change of the embodiment of the present invention, accuracy in detection is high, be not likely to produce by mistake
Sentence and user is interfered, user can be warned in time when wearable device comes off so that user can give wearing for change in time sets
Standby, prevent from losing.
Brief description
Fig. 1 is the flow chart of method that comes off of detection wearable device of first embodiment of the invention；
Fig. 2 is the flow chart of method that comes off of detection wearable device of second embodiment of the invention；
Fig. 3 is the module diagram of device that comes off of detection wearable device of third embodiment of the invention；
Fig. 4 is the schematic diagram that in the embodiment of the present invention, house pet is worn by wearable device；
Fig. 5 is the structural representation of an optional wearable device in the embodiment of the present invention；
Fig. 6 is the composition structural representation of an optional wearable device in the embodiment of the present invention；
Fig. 7 is the connection diagram of CPU and 3d acceleration transducer in wearable device in Fig. 6；
Fig. 8 is the circuit connection diagram of 3d acceleration transducer in Fig. 6.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " " used herein, "
Individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that arranging used in the description of the present invention
Diction " inclusion " refers to there is described feature, integer, step, operation, element and/or assembly, but it is not excluded that existing or adding
Other features one or more, integer, step, operation, element, assembly and/or their group.It should be understood that when we claim unit
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.Additionally, " connection " used herein or " coupling " can include wirelessly connecting or wirelessly coupling.Used herein arrange
Diction "and/or" includes one or more associated list the whole of item or any cell and combines with whole.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (include technology art
Language and scientific terminology), there is the general understanding identical meaning with the those of ordinary skill in art of the present invention.Also should
Be understood by, those terms defined in such as general dictionary it should be understood that have with the context of prior art in
The consistent meaning of meaning, and unless by specific definitions as here, otherwise will not use idealization or excessively formal implication
To explain.
Inventor, through carefully studying discovery, when wearable device comes off from house pet or human body, must successively experience two shapes
State: be to fall state, followed by resting state first.In view of this, the total inventive concept of the embodiment of the present invention is: detection wearing
The state of equipment, when state and resting state occurs falling in wearable device priority, then judges that wearable device falls.Hereinafter, lead to
Cross specific embodiment to be described in detail.
Embodiment one
With reference to Fig. 1, propose the method that the detection wearable device of first embodiment of the invention comes off, apply wearable device, institute
The method of stating comprises the following steps:
S11, detect whether wearable device is in and falls state by acceleration transducer.
Wearable device described in the embodiment of the present invention, refers mainly to be worn on the wearable device with house pet, it is of course also possible to
It is the wearable device being worn on human body, for example, be worn on the wearable device with child.
A switch key can be arranged on wearable device, wearable device is turned on and off by switch key.Work as wearing
During device power-up, can be automatically into the detection pattern that comes off it is also possible to terminal unit be passed through (as mobile phone etc. moves eventually by user
End) Remote wearable device enters and comes off detection pattern.When entrance comes off detection pattern, then start execution step s11.
In this step s11, can detect the state of falling of wearable device in the following manner:
It is alternatively possible to real-time by acceleration transducer (as 3d acceleration transducer) or timing (circulation) detection
First acceleration of wearable device in the vertical direction, when the first acceleration is detected equal to acceleration of gravity, judges wearing
Equipment is in and falls state.As long as that is, the first acceleration wearable device in the vertical direction is detected is equal to gravity
Acceleration, is considered as wearable device and does the movement of falling object, be in and fall state.
It should be noted that the first acceleration described in the embodiment of the present invention is equal to acceleration of gravity it is thus understood that first
Acceleration approximates acceleration of gravity, as long as the value of the first acceleration, in the range of error of the value of acceleration of gravity, is all assert
First acceleration is equal to acceleration of gravity.Specific range of error can be arranged according to actual needs.
It is alternatively possible to by acceleration transducer in real time or timing detection wearable device in the vertical direction first
Acceleration；When continuous n (n >=2) is secondary the first acceleration is all detected and be equal to acceleration of gravity when, judge that wearable device is in and falls
State.That is, only detecting after wearable device persistently does the movement of falling object for a period of time, just judge at wearable device
In falling state, such that it is able to improve the accuracy of judgement, prevent from judging by accident.For example, when adopting in this way it is possible to avoid
The scene falling when house pet is beated is mistaken for wearable device and is in falling state.
It is alternatively possible to wearable device in the vertical direction is detected with the first interval duration timing by acceleration transducer
The first acceleration；When the first acceleration is detected equal to acceleration of gravity, it can be assumed that wearable device has falls trend, it is
Further determine whether as falling state, continue to detect the of wearable device in the vertical direction with the second interval duration timing
One acceleration；When continuous n (n >=2) is secondary the first acceleration is all detected and be equal to acceleration of gravity when, judge that wearable device is in and falls
Fall state；Wherein, the first interval duration is more than the second interval duration.
Because wearable device is when dropping into ground with house pet, the only very short time is it is therefore desirable to extremely short
Interval duration timing carries out acceleration detection.However, before detection wearable device has and falls trend, being need not be with so short
Interval duration be timed detection, and this detection process is continual before wearable device has and falls trend,
Larger to energy consumption.Therefore, by arrange first interval duration and second interval duration, wearable device have fall trend it
The front first interval duration longer with interval is timed detection, thus greatly reducing energy consumption, saves electricity.For example, may be used
The first interval duration to be set to more than n (n >=2) times of the second interval duration；And for example, can be by the first interval duration setting
For Millisecond, the second interval duration is set to Microsecond grade.
S12, when wearable device is in and falls state, interval Preset Time after, detection wearable device whether be in quiet
Only state.
In this step s12, when detect wearable device be in fall state when, interval Preset Time after (after as 1 second),
When estimating that wearable device probably drops on ground, then detect whether wearable device remains static.
In the embodiment of the present invention, continue to detect whether wearable device is in static shape using aforementioned acceleration transducer
State, specifically can adopt following detection mode:
It is alternatively possible to by acceleration transducer in real time or timing detection wearable device in the vertical direction first
The second acceleration on acceleration and horizontal direction；When the first acceleration is detected and the second acceleration is equal to 0, judge to wear
The equipment of wearing remains static.As long as that is, the first acceleration and the level of wearable device in the vertical direction is detected
The second acceleration on direction is equal to 0, is considered as wearable device and has dropped on ground, remains static.
It should be noted that the first acceleration described in the embodiment of the present invention and the second acceleration are equal to 0 it is thus understood that the
One acceleration and the second acceleration approximate 0, and specific range of error can be arranged according to actual needs.
It is alternatively possible to by acceleration transducer in real time or timing detection wearable device in the vertical direction first
The second acceleration on acceleration and horizontal direction；The first acceleration and the second acceleration is all detected when continuous m (m >=2) is secondary
When being equal to 0, judge that wearable device remains static.That is, only detect wearable device continue static one section when
Between after, just judge wearable device remain static, such that it is able to improve the accuracy of judgement, prevent judge by accident.For example, work as employing
Come off it is possible to falling moment static scene when avoiding house pet beats and being mistaken for wearable device during this mode.
It is possible to further detect wearable device vertical by acceleration transducer with the aforementioned first interval duration timing
The second acceleration on the first acceleration and horizontal direction on direction.That is, wearable device is being detected and have to fall
Before gesture, detection is timed with the first interval duration being spaced longer；After wearable device is detected and having and fall trend, with
It is spaced the second shorter interval duration and be timed detection；After determination wearable device is in and falls state, then recover interval relatively
The first long interval duration is timed detection, such that it is able to reducing energy consumption.
It is also possible to Negotiation speed sensor to detect whether wearable device remains static in an alternative embodiment.
Its detection mode and aforementioned acceleration transducer similar it is only necessary to detection parameter is replaced with speed by acceleration, judge perpendicular
Nogata to First Speed and the second speed of horizontal direction whether be equal to 0.
It will be understood by those skilled in the art that in addition can also detect whether wearable device is located using other modes
In resting state.For example, detected by level indicator (or compass), when the pointer of level indicator is no longer beated or width of beating
When degree is less than threshold value, then judge that wearable device remains static.
In the embodiment of the present invention, theaforesaid vertical direction is z-axis direction, and horizontal direction includes x-axis direction and/or y-axis direction.
S13, when wearable device remains static, judge wearable device come off, carry out the warning that comes off.
Specifically, when detect wearable device priority experienced fall state and resting state when, then judge wearable device
Fall with house pet, carry out the warning that comes off immediately, to notify user's wearable device to come off, such that it is able to give wearing in time for change
Equipment, prevents from losing.
In the embodiment of the present invention, can take following two modes that user is carried out with the warning that comes off:
Mode one: send information warning to specified equipment, the described equipment specified refers to establish no with wearable device
The equipment of line communication connection, this equipment can be the mobile terminals such as mobile phone, flat board, notebook or portable terminal or
The fixed terminals such as PC, television set.Described wireless communication connection includes bluetooth connection, wifi connects, cellular network (moves
Dynamic communication network) connect etc..It is of course also possible to be to send out to the specified terminal unit of mac address or the mobile phone of assigned telephone number
Send information warning.
After equipment receives information warning, can adopt and send voice messaging (or warning information), display visual information (such as
Word and/or image information), send optical signal and/or send the modes such as vibration signal user is warned.
Mode two: directly send acoustical signal and/or optical signal carries out the warning that comes off.Described acoustical signal can be alarm song or
Person's voice messaging, described optical signal is that light is often bright or flicker, or changes Light Color.
Alternatively it is also possible to combine above two mode the warning that comes off be carried out to user.
Further, after judging that wearable device comes off, wearable device can also be obtained by positioner (as gps) and work as
Front position, and positional information is sent to the equipment specified, to facilitate user can be quickly found out wearing according to positional information
Equipment.
The method that the detection wearable device of the embodiment of the present invention comes off, detects that by acceleration transducer wearable device is
No being in falls state, detects when being in and falling state whether wearable device enters resting state over time again, when
Wearable device priority experienced when falling state and resting state, just judges that wearable device comes off, carries out the warning that comes off in time.Adopt
Carry out the detection that comes off with the mode of this state change of the embodiment of the present invention, accuracy in detection is high, be not likely to produce erroneous judgement and to
Family interferes, and can warn user in time so that user can give wearable device for change in time when wearable device comes off, and prevents from losing
Lose.
Embodiment two
With reference to Fig. 2, the method that the detection wearable device of second embodiment of the invention comes off is proposed, methods described includes following
Step:
S21, the acceleration a1 being spaced by 3d acceleration transducer on duration t1 timing detection z-axis direction.Judge to add
Whether speed a1 is equal to gravity acceleration g, when equal to acceleration of gravity, execution step s22.
In the embodiment of the present invention, a switch key can be arranged on wearable device, be turned on and off by switch key
Wearable device.When wearable device is started shooting, can be automatically into the detection pattern that comes off it is also possible to terminal unit be passed through by user
(as mobile terminals such as mobile phones) Remote wearable device enters the detection pattern that comes off.When entrance comes off detection pattern, then open
Beginning execution step s21.
In the present embodiment, when the acceleration a1 on z-axis direction is detected first equal to gravity acceleration g, then assert and wear
The equipment of wearing has and falls trend, then enter step s22, proceeds to detect, falls state to determine whether wearable device is in.
Wherein, z-axis direction is vertical direction, and acceleration a1 is the first acceleration, and interval duration t1 is the first interval
Duration.
S22, the acceleration being spaced by 3d acceleration transducer on duration t2 (t2 ＜ t1) timing detection z-axis direction
a1.Judge whether that the secondary acceleration a1 that all detects of continuous n (n >=2) is equal to gravity acceleration g；If so, then execution step s23；If
No, then return to step s21, continues to detect the acceleration a1 on z-axis direction to be spaced duration t1 timing.
In the present embodiment, when detect in step s21 wearable device have fall trend when, then improve timing detect frequency,
Shorten the interval duration of timing detection, continue the acceleration a1 on detection z-axis direction.All detect when continuous n (n >=2) is secondary
Acceleration a1 is equal to during gravity acceleration g it is determined that wearable device is in falls state.N value can be carried out according to actual needs
Set.
Wherein, interval duration t2 be second interval duration, can by interval duration t1 be set to be spaced duration t2 n (n >=
2) more than again, or, interval duration t1 is set to Millisecond, interval duration t2 is set to Microsecond grade.
After s23, interval Preset Time, duration t1 timing is spaced by 3d acceleration transducer and detects on z-axis direction
The acceleration a3 on acceleration a2 and y-axis direction on acceleration a1, x-axis direction.Judge whether that continuous m (m >=2) is secondary all to detect
It is equal to 0 to acceleration a1, a2, a3；If so, then execution step s24；If it is not, then return to step s21, continue to be spaced duration
T1 timing detects the acceleration a1 on z-axis direction.
In the present embodiment, when determination wearable device is in and falls state, after the Preset Time of interval (after as 1 second), extensive
A length of interval duration t1 when multiple timing detects, acceleration a1, a2, a3 on detection z-axis, x-axis and y-axis direction respectively.As continuous m
(m >=2) secondary acceleration a1, a2, a3 of all detecting is equal to 0 it is determined that wearable device remains static, and has dropped into ground
On.M value can be set according to actual needs.
Wherein, x-axis direction and y-axis direction are horizontal direction, and acceleration a2 and acceleration a3 is the second acceleration.
S24, judgement wearable device come off, and carry out the warning that comes off.
When detect wearable device priority experienced fall state and resting state when, then judge wearable device from house pet body
On fall, carry out the warning that comes off immediately, to notify user's wearable device to come off, such that it is able to give wearable device for change in time, prevent
Only lose.
Thus, by setting interval duration t1 and interval duration t2, have in wearable device and fall before trend to be spaced relatively
Long interval duration t1 is timed detection, thus greatly reducing energy consumption, saves electricity.
Embodiment three
With reference to Fig. 3, the device that the detection wearable device of third embodiment of the invention comes off is proposed, described device is applied to wear
Wear equipment, including first detection module, the second detection module and the alarm module that comes off, wherein:
First detection module: fall state for detecting whether wearable device is in by acceleration transducer.Work as detection
To be in fall state when, notify the second detection module.
Specifically, first detection module can detect the state of falling of wearable device in the following manner:
Alternatively, first detection module can by acceleration transducer (as 3d acceleration transducer) in real time or timing
Detection wearable device in the vertical direction the first acceleration, when detect the first acceleration be equal to acceleration of gravity when, sentence
Determine wearable device and be in fall state.As long as that is, first acceleration of wearable device in the vertical direction etc. is detected
In acceleration of gravity, first detection module is considered as wearable device and does the movement of falling object, is in and falls state.
Alternatively, first detection module can by acceleration transducer in real time or timing detection wearable device vertical
The first acceleration on direction；When continuous n (n >=2) is secondary all detect the first acceleration be equal to acceleration of gravity when, judge wearing
Equipment is in and falls state.That is, only detecting after wearable device persistently does the movement of falling object for a period of time, first
Detection module just judges that wearable device is in and falls state, such that it is able to improve the accuracy of judgement, prevents from judging by accident.For example, when
It is possible to avoid the scene falling when house pet beats to be mistaken for wearable device and be in falling state when adopting in this way.
Alternatively, first detection module can detect wearable device by acceleration transducer with the first interval duration timing
First acceleration of in the vertical direction；When the first acceleration is detected equal to acceleration of gravity, it can be assumed that wearable device
Have and fall trend, in order to further determine whether, for falling state, to continue to detect that wearable device exists with the second interval duration timing
The first acceleration on vertical direction；When continuous n (n >=2) is secondary all detect the first acceleration be equal to acceleration of gravity when, judge
Wearable device is in and falls state；Wherein, the first interval duration is more than the second interval duration.
Because wearable device is when dropping into ground with house pet, the only very short time is it is therefore desirable to extremely short
Interval duration timing carries out acceleration detection.However, before detection wearable device has and falls trend, being need not be with so short
Interval duration be timed detection, and this detection process is continual before wearable device has and falls trend,
Larger to energy consumption.Therefore, by arrange first interval duration and second interval duration, wearable device have fall trend it
The front first interval duration longer with interval is timed detection, thus greatly reducing energy consumption, saves electricity.For example, may be used
The first interval duration to be set to more than n (n >=2) times of the second interval duration；And for example, can be by the first interval duration setting
For Millisecond, the second interval duration is set to Microsecond grade.
Second detection module: for when wearable device is in and falls state, after the Preset Time of interval, detection wearing sets
Standby whether remain static.When detect remain static when, notify to come off alarm module.
Specifically, when learn wearable device be in fall state when, interval Preset Time after (after as 1 second), estimate to wear
When wearing equipment and probably dropping on ground, the second detection module detects whether wearable device remains static again.
In the embodiment of the present invention, the second detection module continues whether to detect wearable device using aforementioned acceleration transducer
Remain static, specifically can adopt following detection mode:
Alternatively, the second detection module can by acceleration transducer in real time or timing detection wearable device vertical
The second acceleration on the first acceleration and horizontal direction on direction；Impartial when the first acceleration and the second acceleration is detected
When 0, judge that wearable device remains static.As long as that is, the first of wearable device in the vertical direction is detected
The second acceleration on acceleration and horizontal direction is equal to 0, and the second detection module is considered as wearable device and has dropped on ground,
Remain static.
Alternatively, the second detection module can by acceleration transducer in real time or timing detection wearable device vertical
The second acceleration on the first acceleration and horizontal direction on direction；The first acceleration is all detected when continuous m (m >=2) is secondary
When being equal to 0 with the second acceleration, judge that wearable device remains static.That is, wearable device is only detected holding
After continuing static a period of time, just judge that wearable device remains static, such that it is able to improve the accuracy of judgement, prevent by mistake
Sentence.For example, fall moment static scene when adopting in this way it is possible to when avoiding house pet beats and be mistaken for wearing and set
Standby come off.
Further, the second detection module can be worn with the aforementioned first interval duration timing detection by acceleration transducer
Wear the second acceleration on first acceleration and horizontal direction of equipment in the vertical direction.That is, wearing is being detected
Before equipment has and falls trend, first detection module is timed detection to be spaced the first longer interval duration；When detecting
After wearable device has and falls trend, first detection module is timed detection to be spaced the second shorter interval duration；True
Determine after wearable device is in and falls state, the second detection module recovers to be spaced the first longer interval duration again and is timed inspection
Survey, such that it is able to reducing energy consumption.
In an alternative embodiment, the second detection module can also Negotiation speed sensor detecting whether wearable device is located
In resting state.Its detection mode similar with aforementioned acceleration transducer it is only necessary to by detection parameter replaced with by acceleration
Speed, judges whether the First Speed of vertical direction and the second speed of horizontal direction are equal to 0.
It will be understood by those skilled in the art that in addition can also detect whether wearable device is located using other modes
In resting state.For example, detected by level indicator (or compass), when the pointer of level indicator is no longer beated or width of beating
When degree is less than threshold value, then judge that wearable device remains static.
In the embodiment of the present invention, theaforesaid vertical direction is z-axis direction, and horizontal direction includes x-axis direction and/or y-axis direction.
Come off alarm module: for when wearable device remains static, judging that wearable device comes off, carry out coming off police
Show.
Specifically, when detect wearable device priority experienced fall state and resting state when, come off alarm module then
Judge that wearable device falls with house pet, carry out the warning that comes off immediately, to notify user's wearable device to come off, such that it is able to
Give wearable device for change in time, prevent from losing.
In the embodiment of the present invention, the alarm module that comes off can take following two modes that user is carried out with the warning that comes off:
Mode one: the alarm module that comes off sends information warning to specified equipment, and the described equipment specified refers to and dresses
Equipment establishes the equipment of wireless communication connection, and this equipment can be the mobile terminals such as mobile phone, flat board, notebook or portable terminal
End or the fixed terminal such as PC, television set.Described wireless communication connection includes bluetooth connection, wifi connects, honeybee
Nest network (i.e. mobile communications network) connection etc..It is of course also possible to be the terminal unit to specified mac address or designated telephone number
The mobile phone of code sends information warning.
After equipment receives information warning, can adopt and send voice messaging (or warning information), display visual information (such as
Word and/or image information), send optical signal and/or send the modes such as vibration signal user is warned.
Mode two: the alarm module that comes off directly sends acoustical signal and/or optical signal carries out the warning that comes off.Described acoustical signal can
To be alarm song or voice messaging, described optical signal is that light is often bright or flicker, or changes Light Color.
Alternatively it is also possible to combine above two mode the warning that comes off be carried out to user.
Further, after judging that wearable device comes off, the alarm module that comes off can also be obtained by positioner (as gps)
Take the position that wearable device is current, and positional information is sent to the equipment specified, to facilitate the user can be according to positional information
It is quickly found out wearable device.
The device that the detection wearable device of the embodiment of the present invention comes off, detects that by acceleration transducer wearable device is
No being in falls state, detects when being in and falling state whether wearable device enters resting state over time again, when
Wearable device priority experienced when falling state and resting state, just judges that wearable device comes off, carries out the warning that comes off in time.Adopt
Carry out the detection that comes off with the mode of this state change of the embodiment of the present invention, accuracy in detection is high, be not likely to produce erroneous judgement and to
Family interferes, and can warn user in time so that user can give wearable device for change in time when wearable device comes off, and prevents from losing
Lose.
The method and apparatus that the detection wearable device of the embodiment of the present invention comes off, is applied to wearable device.As Fig. 4, Fig. 5 institute
Show, described wearable device refers mainly to be worn on necklace with house pet, pectoral girdle etc., and it can pass through buckle (in figure black portions)
Etc. being fixed on house pet, and house pet often thinks that wearable device is uncomfortable it is intended to go to break away from it, thus causing wearable device
Come off.
As shown in fig. 6, wearable device mainly includes CPU, memory element, push-button unit, radio-frequency receiving-transmitting list
Unit, radio-frequency front-end and radio-frequency (RF) power amplification unit, radio-frequency antenna, Wireless Fidelity/bluetooth (wifi/bt) unit, wifi/bt antenna, 3d
Acceleration transducer etc..CPU is the core of wearable device, for controlling unit module.Memory element is used for
The data such as storage application program.Push-button unit is used for being turned on and off wearable device.Transmit Receive Unit, radio-frequency front-end and radio frequency
Power amplifier unit and radio-frequency antenna are used for carrying out cellular network communication, and wifi/bt unit, wifi/bt antenna are used for carrying out wifi/ indigo plant
Tooth communicates.3d acceleration transducer is used for detecting accekeration on x-axis, y-axis and z-axis direction for the wearable device.
As shown in fig. 7,3d acceleration transducer is connected by i2c bus with CPU, CPU can
With by the accekeration on the x-axis on i2c bus timing reading 3d acceleration transducer, y-axis, z-axis direction.
As shown in figure 8, being the circuit connection diagram of 3d acceleration transducer, 3d acceleration transducer first passes through data
Selector (mux) obtains an analogue signal of x-axis, y-axis, acceleration a on z-axis direction, then passes through amplifier (charge
Amplifier) this analogue signal is amplified processing, and modulus is carried out by analog-digital converter (a/d converter)
The numerical value of x-axis, y-axis, acceleration on z-axis direction is obtained, this numerical value can be passed through i2c bus by CPU after conversion
Timing is read.
Alternatively, aforementioned first detection module, the second detection module and the alarm unit that comes off can be integrated in central authorities' process
In unit, whether come off using preceding method detection wearable device by CPU.
Alternatively, one or more application programs are stored in memory element, this application program is configured to by centre
Reason unit executes, and this application program is configurable for executing the method that aforementioned detection wearable device comes off.
Thus, by 3d acceleration transducer built-in in wearable device, come off with house pet process in wearable device
In, detection x-axis, y-axis, on z-axis direction acceleration Variation Features detecting whether wearable device comes off with house pet.When de-
User can be warned in time so that user can give wearable device for change in time when falling, prevent from losing.
It will be understood by those skilled in the art that the present invention includes relating to execute in operation described herein
Or multinomial equipment.These equipment can specially design for required purpose and manufacture, or can also include general-purpose computations
Known device in machine.These equipment have and are stored in its interior computer program, and these computer programs optionally activate
Or reconstruct.Such computer program can be stored in equipment (for example, computer) computer-readable recording medium or be stored in and be suitable to
Storage e-command is simultaneously coupled in any kind of medium of bus respectively, and described computer-readable medium includes but is not limited to
(read-only memory read-only deposits for any kind of disk (including floppy disk, hard disk, CD, cd-rom and magneto-optic disk), rom
Reservoir), ram (random access memory, random access memory), eprom (erasable programmable read-
Only memory, Erarable Programmable Read only Memory), eeprom (electrically erasable programmable
Read-only memory, EEPROM), flash memory, magnetic card or light card.It is, it is readable
Medium include being stored in the form of can reading by equipment (for example, computer) or transmission information any medium.
Those skilled in the art of the present technique be appreciated that can be realized with computer program instructions these structure charts and/or
Each frame in block diagram and/or flow graph and the combination of the frame in these structure charts and/or block diagram and/or flow graph.This technology is led
Field technique personnel be appreciated that can by these computer program instructions be supplied to general purpose computer, special purpose computer or other
The processor of programmable data processing method is realizing, thus the process by computer or other programmable data processing methods
Device is executing the scheme specified in the frame of structure chart disclosed by the invention and/or block diagram and/or flow graph or multiple frame.
Those skilled in the art of the present technique be appreciated that the various operations having discussed in the present invention, method, in flow process
Step, measure, scheme can be replaced, changed, combined or deleted.Further, there is discussed in the present invention each
Kind of operation, method, other steps in flow process, measure, scheme can also be replaced, changed, reset, decomposed, combined or deleted.
Further, of the prior art have and the step in the various operations disclosed in the present invention, method, flow process, measure, scheme
Can also be replaced, changed, reset, decomposed, combined or deleted.
The preferred embodiments of the present invention above by reference to brief description, not thereby limit to the interest field of the present invention.This
Skilled person, without departing from the scope of the present invention and essence, can have multiple flexible programs to realize the present invention,
Feature for example as an embodiment can be used for another embodiment and obtains another embodiment.All with this
Any modification, equivalent and the improvement made within bright technology design, all should be within the interest field of the present invention.
Claims (10)
1. a kind of method that detection wearable device comes off is it is characterised in that comprise the following steps:
Detect whether wearable device is in by acceleration transducer and fall state；
When described wearable device is in and falls state, after the Preset Time of interval, detect whether described wearable device is in quiet
Only state；
When described wearable device remains static, judge that described wearable device comes off, carry out the warning that comes off.
2. the detection method that comes off of wearable device according to claim 1 it is characterised in that described by acceleration sensing
Device detects whether wearable device is in and falls the step of state and include:
Detect the first acceleration of described wearable device in the vertical direction by described acceleration transducer；
When described first acceleration is all detected and being equal to acceleration of gravity for continuous n time, judge that described wearable device is in and fall
State, n >=2.
3. the detection method that comes off of wearable device according to claim 1 it is characterised in that described by acceleration sensing
Device detects whether wearable device is in and falls the step of state and include:
Detect the first of described wearable device in the vertical direction by described acceleration transducer with the first interval duration timing
Acceleration；
When described first acceleration is detected equal to acceleration of gravity, continue to detect described wearing with the second interval duration timing
First acceleration of equipment in the vertical direction；
When described first acceleration is all detected and being equal to acceleration of gravity for continuous n time, judge that described wearable device is in and fall
State；
Wherein, described first interval duration is more than described second interval duration, n >=2.
4. the detection method that comes off of wearable device according to any one of claim 1-3 is it is characterised in that described detection institute
State the step whether wearable device remain static to include:
Detected on first acceleration and horizontal direction of described wearable device in the vertical direction by described acceleration transducer
The second acceleration；
When described first acceleration is all detected for continuous m time and described second acceleration is equal to 0, judge at described wearable device
In resting state, m >=2.
5. the detection method that comes off of wearable device according to claim 4 it is characterised in that described by described acceleration
The step that sensor detects the second acceleration on first acceleration and horizontal direction of described wearable device in the vertical direction
Including:
Detect the first of described wearable device in the vertical direction by described acceleration transducer with the first interval duration timing
The second acceleration on acceleration and horizontal direction.
6. the device that a kind of detection wearable device comes off is it is characterised in that include:
First detection module, falls state for detecting whether wearable device is in by acceleration transducer；
Second detection module, for when described wearable device is in and falls state, after the Preset Time of interval, wearing described in detection
Wear whether equipment remains static；
Come off alarm module, for when described wearable device remains static, judging that described wearable device comes off, is taken off
Fall warning.
7. the device that detection wearable device according to claim 6 comes off is it is characterised in that described first detection module is used
In:
Detect the first acceleration of described wearable device in the vertical direction by described acceleration transducer；When continuous n time equal
Described first acceleration is detected and be equal to acceleration of gravity, judge that described wearable device is in and fall state, n >=2.
8. the device that detection wearable device according to claim 6 comes off is it is characterised in that described first detection module is used
In:
Detect the first of described wearable device in the vertical direction by described acceleration transducer with the first interval duration timing
Acceleration；When described first acceleration is detected equal to acceleration of gravity, continue with described in the second interval duration timing detection
First acceleration of wearable device in the vertical direction；When continuous n time all detects described first acceleration equal to gravity acceleration
When spending, judge that described wearable device is in and fall state；Wherein, described first interval duration is more than described second interval duration, n
≥2.
9. the device that the detection wearable device according to any one of claim 6-8 comes off is it is characterised in that described second examines
Survey module to be used for:
Detected on first acceleration and horizontal direction of described wearable device in the vertical direction by described acceleration transducer
The second acceleration；
When continuous m time all detects described first acceleration and described second acceleration is equal to 0, judge described wearable device
Remain static, m >=2.
10. the detection device that comes off of wearable device according to claim 9 is it is characterised in that described second detection module
For:
Detect the first of described wearable device in the vertical direction by described acceleration transducer with the first interval duration timing
The second acceleration on acceleration and horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610742381.XA CN106355828A (en) | 2016-08-26 | 2016-08-26 | Method and device for detecting wearable device disengagement |
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|---|---|---|---|
| CN201610742381.XA CN106355828A (en) | 2016-08-26 | 2016-08-26 | Method and device for detecting wearable device disengagement |
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| CN201610742381.XA Pending CN106355828A (en) | 2016-08-26 | 2016-08-26 | Method and device for detecting wearable device disengagement |
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| CN110888620A (en) * | 2019-11-29 | 2020-03-17 | 歌尔科技有限公司 | Head-mounted equipment, wearing detection method and device thereof, and medium |
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| CN111103970A (en) * | 2018-10-26 | 2020-05-05 | 中兴通讯股份有限公司 | Wearable device data control and processing method and system |
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Application publication date: 20170125 |