CN105259928B - According to the method and device in wind direction adjusting device direction - Google Patents

According to the method and device in wind direction adjusting device direction Download PDF

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Publication number
CN105259928B
CN105259928B CN201510779083.3A CN201510779083A CN105259928B CN 105259928 B CN105259928 B CN 105259928B CN 201510779083 A CN201510779083 A CN 201510779083A CN 105259928 B CN105259928 B CN 105259928B
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China
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acceleration
wind
accelerometer
direction
according
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CN201510779083.3A
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Chinese (zh)
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CN105259928A (en
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王晨阳
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上海斐讯数据通信技术有限公司
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Abstract

The present invention discloses a kind of method according to wind direction adjusting device direction, including:Wind direction is detected by accelerometer;And according to the wind direction adjusting device direction detected.Correspondingly, invention additionally discloses a kind of device according to wind direction adjusting device direction.The technical solution adopted by the present invention, can detect wind direction in real time automatically and dynamically adjust the direction of equipment.

Description

According to the method and device in wind direction adjusting device direction

Technical field

The present invention relates to field of electric control, more particularly to a kind of method and device according to wind direction adjusting device direction.

Background technology

Existing equipment such as window is all by artificial judgment wind direction and manually adjusts the direction of equipment, can not accurately be obtained Wind direction and wind speed are obtained, causes wind direction can not be made full use of to realize optimal ventilation effect, and the direction of manual control window is non- Often consume one's energy and the time, at the same also can not real-time tracking wind vector and dynamic change window direction.When there is storm, Window itself can not sense property safety in storm wind and automatic close window, window on one's own initiative by great threat.

The content of the invention

In consideration of it, the present invention provides a kind of method and device according to wind direction adjusting device direction, solve in the prior art Automatically the technical problem in wind direction and dynamic adjusting device direction can not be detected in real time.

Embodiments in accordance with the present invention there is provided a kind of method according to wind direction adjusting device direction, including:Pass through acceleration Meter detection wind direction;And according to the wind direction adjusting device direction detected.

It is preferred that, it is described to detect that wind direction step includes by accelerometer:Accelerometer obtains acceleration;According to institute State acceleration and derive lateral misalignment angle and vertical drift angle;And pushed away according to the lateral misalignment angle derived and the positive and negative and ratio of vertical drift angle Export wind direction.

It is preferred that, the lateral misalignment angle isVertical drift angle isAcceleration isG is acceleration of gravity.

It is preferred that, also include after the accelerometer obtains acceleration step:The acceleration in preset time Meter continues to obtain additional acceleration;Judge the additional acceleration that the accelerometer is obtained in preset time Whether default fluctuation range is exceeded;And when the additional acceleration that the accelerometer is obtained in preset time exceedes During default fluctuation range, the accelerometer reacquires acceleration.

It is preferred that, also wrapped after wind direction step is derived according to the lateral misalignment angle derived and the positive and negative and ratio of vertical drift angle Include:Mass density according to lateral misalignment angle, vertical drift angle and the accelerometer shell is derived derives wind intensity;Judgement is derived Wind intensity whether exceed preset value;And when the wind intensity for judging to derive exceedes preset value, direct adjusting device Direction is to preset direction.

According to another embodiment of the present invention, a kind of device according to wind direction adjusting device direction is also provided, including:Accelerate Degree meter, for detecting wind direction;And device orientation adjustment unit, the wind direction for being detected according to the accelerometer, which is adjusted, to be set Standby direction.

It is preferred that, the accelerometer includes:Acceleration acquiring unit, the acceleration for obtaining the accelerometer Spend vector;Lateral misalignment angle and vertical drift angle derivation unit, for the acceleration obtained according to the acceleration acquiring unit Vector derivation goes out lateral misalignment angle and vertical drift angle;And wind direction derivation unit, for according to the lateral misalignment angle and vertical drift angle derivation unit The lateral misalignment angle derived and the positive and negative and ratio of vertical drift angle derive wind direction.

It is preferred that, the lateral misalignment angle isVertical drift angle isAcceleration isG is acceleration of gravity.

It is preferred that, the acceleration acquiring unit includes:Original acceleration vector acquiring unit, it is described for obtaining The original acceleration of accelerometer;Coriolis acceleration vector acquiring unit, for being obtained in the original acceleration vector Continue to obtain additional acceleration in preset time after the original acceleration of unit acquisition;And acceleration arrow Judging unit is measured, for judging that the coriolis acceleration vector acquiring unit obtains additional acceleration in preset time Whether default fluctuation range is exceeded, when the acceleration judging unit judges the coriolis acceleration arrow in preset time When measuring the additional acceleration of acquiring unit acquisition more than default fluctuation range, the original acceleration vector acquiring unit weight Newly obtain original acceleration.

It is preferred that, the accelerometer also includes:Wind intensity derivation unit, for according to the lateral misalignment angle, vertical derived The mass density of drift angle and the accelerometer shell derives wind intensity;And wind intensity judging unit, for judging State whether the wind intensity that wind intensity derivation unit derives exceedes preset value, when the wind intensity judging unit judges to push away When derived wind intensity exceedes preset value, the direct adjusting device direction of device orientation adjustment unit to preset direction.

The method and device according to wind direction adjusting device direction that the present invention is provided, wind direction is detected by accelerometer And according to the wind direction adjusting device direction detected, can automatically and accurately detect real-time wind direction and dynamically adjust the side of equipment To.

Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described.It should be evident that drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.

Fig. 1 is according to the schematic flow sheet of the method in wind direction adjusting device direction in first embodiment of the invention.

Fig. 2 is to detect wind direction according to the accelerometer of the method in wind direction adjusting device direction in first embodiment of the invention Detailed process schematic diagram.

Fig. 3 is to be illustrated according to the state of the accelerometer of the method in wind direction adjusting device direction in first embodiment of the invention Figure.

Fig. 4 is according to the structural representation of the device in wind direction adjusting device direction in second embodiment of the invention.

Fig. 5 is according to the structural representation of the accelerometer of the device in wind direction adjusting device direction in second embodiment of the invention Figure.

Fig. 6 is according to the acceleration acquiring unit of the device in wind direction adjusting device direction in second embodiment of the invention Structural representation.

Fig. 7 is according to the structural representation of the accelerometer of the device in wind direction adjusting device direction in third embodiment of the invention Figure.

Embodiment

Make further more detailed description to technical scheme with reference to the accompanying drawings and detailed description.It is aobvious So, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention Embodiment, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, The scope of protection of the invention should all be belonged to.

In the description of the invention, it is to be understood that term " first ", " second " etc. be only used for describe purpose, without It is understood that to indicate or imply relative importance.In the description of the invention, it is necessary to which explanation, is provided unless otherwise clear and definite And restriction, term " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or be integrally connected;Can be mechanical connection or electrical connection;Can be joined directly together, intermediary can also be passed through It is indirectly connected to.For the ordinary skill in the art, concrete condition can be combined and understands above-mentioned term in the present invention Concrete meaning.In addition, in the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.

Any process described otherwise above or method description are construed as in flow chart or herein, represent to include Module, fragment or the portion of the code of one or more executable instructions for the step of realizing specific logical function or process Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not be by shown or discussion suitable Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention Embodiment person of ordinary skill in the field understood.

Fig. 1 is according to the schematic flow sheet of the method in wind direction adjusting device direction in first embodiment of the invention.As schemed Show, the method according to wind direction adjusting device direction that the present embodiment is provided, including:

Step S11:Wind direction is detected by accelerometer.

Step S12:According to the wind direction adjusting device direction detected.

Wherein, the equipment can may need according to the electronic equipment of wind direction adjustment direction or non-electronic set to be any It is standby, such as window, propeller, sailing boat, aircraft, wind-driven generator etc..It is described according to wind direction adjusting device that the present invention is provided The method in direction can be according to the wind direction adjusting device direction detected, to tackle different occasions and reach different purposes.Such as, The direction of window is adjusted according to wind direction, optimal ventilation effect completely down the wind, is realized in the direction that can make window.Compare again Such as, the direction of the sail of sailing boat is adjusted according to wind direction, sailing boat can be made to maximally utilise natural wind optimization course line and lifting The speed of a ship or plane.For convenience of describing, technical scheme is hereafter only described in detail by taking window as an example.

Fig. 2 is to detect the detailed of wind direction according to the accelerometer of the method in wind direction adjusting device direction in the embodiment of the present invention Schematic flow sheet.As illustrated, described detect that wind direction step includes by accelerometer:

Step S111:Accelerometer obtains acceleration.

Wherein, the accelerometer can be any kind of accelerometer, for measuring acceleration.The present embodiment In, it is contemplated that cost and sensitivity factor, from MEMS (MEMS, Micro-Electro-Mechanical System) inertia device three axis accelerometer.The accelerometer may be mounted at the neighbouring void spaces of window, with as far as possible Interference-free detects the wind-force wind speed of natural wind.The coordinate system of the accelerometer is set to OXbYbZb, horizontal coordinates is OXhYhZh, then the transformation matrix of the accelerometer coordinate system to horizontal coordinates be:

Wherein:γ is lateral misalignment angle, and θ is vertical drift angle.

The accelerometer detects wind-force wind speed, obtains accelerationIt that is to say gravity Acceleration g is in the accelerometer coordinate system OXbYbZbOn projection.

Step S112:Lateral misalignment angle and vertical drift angle are derived according to the acceleration.

Fastening each axle acceleration component in horizontal coordinate isAccording to the equation of coordinate transform Then have:

According toLateral misalignment angle can be derived:

And then be updated to the derived lateral misalignment angle:

Vertical drift angle can be derived:

Step S113:Mass density according to lateral misalignment angle, vertical drift angle and the accelerometer shell is derived derives wind-force Intensity.

Wherein, according to the lateral misalignment angleWith vertical drift angleWith the accelerometer Outer cover quality density can derive wind intensity easily.The lateral misalignment angle and vertical drift angle numerical value are bigger, illustrate that wind intensity is got over Greatly.

Step S114:Judge whether the wind intensity derived exceedes preset value.

Step S115:When the wind intensity for judging to derive exceedes preset value, direct adjusting device direction to default side To.

In the present embodiment step S113, step S114 and step S115, by deriving wind intensity, in the wind-force Window direction to closed mode direction is directly adjusted when intensity is excessive, by wind-force gear outside window, to avoid hurricane from influenceing window Indoor property safety.

Certainly, in the embodiment that other described equipment are wind-driven generator, when detection wind intensity reaches hurricane strength When, the wind-force flabellum of wind-driven generator can be adjusted to direction down the wind, reduce wind area and angle as far as possible, to keep away The hurricane for exempting from high intensity is damaged to wind-force flabellum.When judging the wind intensity derived and not less than preset value, then lead to Cross the direction of normal adjustment mode adjusting device.

Step S1116:Accelerometer continues to obtain additional acceleration in preset time.

Step S117:Judge whether the additional acceleration that the accelerometer is obtained in preset time exceedes in advance If fluctuation range;

Step S118:When the additional acceleration that the accelerometer is obtained in preset time exceedes default fluctuation In the range of when, the accelerometer reacquires acceleration.

In the present embodiment step S116, step S117 and step S118, by confirming the acceleration in preset time The additional acceleration that degree meter is obtained is not less than default fluctuation range, to determine that the acceleration that the accelerometer is obtained is sweared Measure as the acceleration under normal continuous wind state, it is to avoid adjust and set because wind-force just blows afloat or rested transition state The situation in standby direction.When the additional acceleration that the accelerometer is obtained in preset time exceedes default fluctuation model When enclosing interior, then the wind-force state not continual and steady as the transition state for just blowing afloat or resting, the accelerometer are judged Need to reacquire acceleration and rejudge wind state.

Step S119:Wind direction is derived according to the lateral misalignment angle derived and the positive and negative and ratio of vertical drift angle.

Specifically, when there is the wind-force impulsion accelerometer, the accelerometer can run-off the straight.Assuming that window is installed In west, by independent north and south aweather exemplified by, X-axis level over the ground all the time, the accelerometer is tilted forward or backward, described to accelerate Spend meter state as shown in Figure 3.

If individually when having south wind, facing upward hypsokinesis before device, the acceleration magnitude of Y-axis be it is negative, according to right-hand rule θ values be just, if When individually having north wind, the swing of accelerometer 20, the acceleration of Y-axis is just, to be negative according to right-hand rule θ values, pass through FormulaVertical bias angle theta can be derived;Similarly, can be according to the acceleration of X-axis accelerometer when having thing aweather Degree vector value derives lateral misalignment angleWhen wind direction be the southeast to or north-westward etc. non-parallel to reference axis side When aweather, wind direction can be extrapolated by indulging the positive and negative and ratio of bias angle theta and lateral misalignment angle γ.Such as, when wind direction is north by east During 45° angle, vertical bias angle theta and lateral misalignment angle γ is negative simultaneously and ratio is 1:1.

In the present embodiment, when actual wind direction is north by east 45° angle, the accelerometer detects wind direction and derived vertical Bias angle theta and lateral misalignment angle γ are negative simultaneously and ratio is 1:When 1, it can control the window and turned clockwise under right-handed coordinate system 45 ° so that window completely down the wind, to realize optimal ventilation effect.Specifically, can be by being arranged on the window axle Servomotor and control chip realize the adjustment in the window direction, the control chip can according to the lateral misalignment angle derived and The positive and negative and ratio of vertical drift angle derives that the servomotor adjusts the orientation angle of window, and controls the servomotor by institute State the orientation angle that window rotation is derived.Certainly, the accelerometer can also pass through the wireless communication modes such as WIFI, bluetooth The positive and negative and ratio at the lateral misalignment angle derived and vertical drift angle is sent to mobile terminal, by mobile terminal according to the lateral misalignment derived The positive and negative and ratio of angle and vertical drift angle derives that the servomotor adjusts the orientation angle of window, and passes through wireless signal control The servomotor adjusts the direction of window.

The method according to wind direction adjusting device direction that the present embodiment is provided, wind direction and root are detected by accelerometer According to the wind direction adjusting device direction detected, it can automatically and accurately detect real-time wind direction and dynamically adjust the direction of equipment.

Fig. 4 is according to the structural representation of the device in wind direction adjusting device direction in second embodiment of the invention.As schemed Show, the device 10 according to wind direction adjusting device direction that the present embodiment is provided, including accelerometer 20 and device orientation adjustment list Member 30.

Wherein, the equipment can may need according to the electronic equipment of wind direction adjustment direction or non-electronic set to be any It is standby, such as window, propeller, sailing boat, aircraft, wind-driven generator etc..It is described according to wind direction adjusting device that the present invention is provided The device 10 in direction can be according to the wind direction adjusting device direction detected, to tackle different occasions and reach different purposes.Than Such as, the direction of window is adjusted according to wind direction, optimal ventilation effect completely down the wind, is realized in the direction that can make window.Again Such as, the direction of the sail of sailing boat is adjusted according to wind direction, sailing boat can be made to maximally utilise natural wind optimization course line and carry Rise the speed of a ship or plane.

The accelerometer 20 can be any kind of accelerometer, for measuring acceleration.In the present embodiment, It is used from MEMS (MEMS, Micro-Electro-Mechanical System) in view of cost and sensitivity factor Property device three axis accelerometer.The accelerometer 20 may be mounted at the neighbouring void spaces of window, with as noiseless as possible Detect the wind-force wind speed of natural wind in ground.

Fig. 5 is according to the structural representation of the accelerometer of the device in wind direction adjusting device direction in second embodiment of the invention Figure.As illustrated, the accelerometer 20 includes acceleration acquiring unit 201, lateral misalignment angle and vertical drift angle derivation unit 202 With wind direction derivation unit 203.

The acceleration acquiring unit 201, the acceleration for obtaining the accelerometer 20.Specifically, The coordinate system of the accelerometer 10 is set to OXbYbZb, horizontal coordinates is OXhYhZh, then the coordinate system of accelerometer 20 Transformation matrix to horizontal coordinates is:

Wherein:γ is lateral misalignment angle, and θ is vertical drift angle.

The accelerometer 20 detects wind-force wind speed, obtains accelerationIt that is to say weight Power acceleration g is in the accelerometer coordinate system OXbYbZbOn projection.

Fig. 6 is according to the acceleration acquiring unit of the device in wind direction adjusting device direction in second embodiment of the invention Structural representation.As illustrated, the acceleration acquiring unit 201 includes original acceleration vector acquiring unit 2011st, coriolis acceleration vector acquiring unit 2012 and acceleration judging unit 2013.

The original acceleration vector acquiring unit 2011, the acceleration arrow original for obtaining the accelerometer 20 Amount.

Coriolis acceleration vector acquiring unit 2012, for obtaining original in the original acceleration vector acquiring unit 2011 Continue to obtain additional acceleration in preset time after the acceleration of beginning.

Acceleration judging unit 2013, for judging the coriolis acceleration vector acquiring unit in preset time 2012 obtain whether additional acceleration is maintained in default fluctuation range.

When the acceleration judging unit 2013 judges that the coriolis acceleration vector obtains single in preset time When member 2012 obtains additional acceleration more than default fluctuation range, the weight of original acceleration vector acquiring unit 2011 Newly obtain original acceleration.

The acceleration acquiring unit 201, by confirming that it is attached that in the preset time accelerometer 20 is obtained Plus acceleration not less than default fluctuation range, to determine acceleration that the accelerometer 20 obtains normally to hold Acceleration under continuous wind state, it is to avoid because wind-force has just blown afloat or rested transition state and the direction of adjusting device Situation.When the additional acceleration that the accelerometer 20 is obtained in preset time exceedes in default fluctuation range, Then judge the wind-force state not continual and steady as the transition state for just blowing afloat or resting, the accelerometer 20 needs weight It is new to obtain acceleration and rejudge wind state.

The lateral misalignment angle and vertical drift angle derivation unit 202, for what is obtained according to the acceleration acquiring unit 201 The acceleration derives lateral misalignment angle and vertical drift angle.Specifically, fastening each axle acceleration component in horizontal coordinate and beingAccording to the equation of coordinate transformThen have:

According toLateral misalignment angle can be derived:

And then be updated to the derived lateral misalignment angle:

Vertical drift angle can be derived:

So, the lateral misalignment angle and vertical drift angle derivation unit 202 can be obtained according to the acceleration acquiring unit 201 The acceleration derive lateral misalignment angle and vertical drift angle.

The wind direction derivation unit 203, for the lateral misalignment derived according to the lateral misalignment angle and vertical drift angle derivation unit 202 The positive and negative and ratio of angle and vertical drift angle derives wind direction.

Specifically, when there is the wind-force impulsion accelerometer 20, the accelerometer 20 can run-off the straight.Assuming that window Installed in west, by independent north and south aweather exemplified by, X-axis level over the ground all the time, the accelerometer 20 is tilted forward or backward.

If individually when having south wind, facing upward hypsokinesis before device, the acceleration magnitude of Y-axis be it is negative, according to right-hand rule θ values be just, if When individually having north wind, the swing of accelerometer 20, the acceleration of Y-axis is just, to be negative according to right-hand rule θ values, pass through FormulaVertical bias angle theta can be derived;Similarly, can be according to the acceleration of X-axis accelerometer when having thing aweather Degree vector value derives lateral misalignment angleWhen wind direction be the southeast to or north-westward etc. non-parallel to reference axis side When aweather, the wind direction derivation unit 203 can extrapolate wind direction by indulging the positive and negative and ratio of bias angle theta and lateral misalignment angle γ. Such as, when wind direction is north by east 45° angle, vertical bias angle theta and lateral misalignment angle γ is negative simultaneously and ratio is 1:1.

In the present embodiment, when actual wind direction is north by east 45° angle, the accelerometer 20 detects wind direction and by institute State wind direction derivation unit 203 and derive vertical bias angle theta and lateral misalignment angle γ while being negative and ratio is 1:When 1, the device orientation is adjusted Whole unit 30 can control the window turned clockwise under right-handed coordinate system 45 ° so that window completely down the wind, with realize Optimal ventilation effect.Specifically, the device orientation adjustment unit 30 may include the servo electricity being arranged on the window axle Machine and control chip, the control chip can be watched according to being derived the lateral misalignment angle derived and the positive and negative and ratio of vertical drift angle Take motor and adjust the orientation angle of window, and control the servomotor that the window is rotated to the orientation angle derived.When So, the accelerometer 20 can also be derived the wind direction derivation unit 203 by wireless communication modes such as WIFI, bluetooths Lateral misalignment angle and the positive and negative and ratio of vertical drift angle send mobile terminal to, by mobile terminal according to the wind direction derivation unit 203 The lateral misalignment angle derived and the positive and negative and ratio of vertical drift angle derive that the servomotor adjusts the orientation angle of window, and pass through Wireless signal controls the direction of the servomotor adjustment window.

The device according to wind direction adjusting device direction that the present embodiment is provided, wind direction and root are detected by accelerometer According to the wind direction adjusting device direction detected, it can automatically and accurately detect real-time wind direction and dynamically adjust the direction of equipment.

Fig. 7 is according to the structural representation of the accelerometer of the device in wind direction adjusting device direction in third embodiment of the invention Figure.As illustrated, on the basis of second embodiment, the accelerometer 20 further comprises wind intensity derivation unit 204 With wind intensity judging unit 205.

The wind intensity derivation unit 204, for according to outside the lateral misalignment angle derived, vertical drift angle and the accelerometer The mass density of shell derives wind intensity.The wind intensity derivation unit 204 is according to the lateral misalignment angle With vertical drift angleWind intensity can be derived easily with the outer cover quality density of the accelerometer.The horizontal stroke Drift angle and vertical drift angle numerical value are bigger, illustrate that wind intensity is bigger.

The wind intensity judging unit 205, for judging that the wind-force that the wind intensity derivation unit 204 is derived is strong Whether degree exceedes preset value, when the wind intensity judging unit 205 judges that the wind intensity derived exceedes preset value, institute The direct adjusting device direction of device orientation adjustment unit 30 is stated to preset direction.

In the present embodiment, wind intensity is derived by the wind intensity derivation unit 204, in the wind intensity Window direction to closed mode direction is directly adjusted when excessive, by wind-force gear outside window, to avoid hurricane from influenceing in window Property safety.

Certainly, in the embodiment that other described equipment are wind-driven generator, when the accelerometer detects wind intensity When reaching hurricane strength, the wind-force flabellum of wind-driven generator can be adjusted to direction down the wind, reduce wind surface as far as possible Product and angle, to avoid the hurricane of high intensity from damaging wind-force flabellum.When judge the wind intensity derived and not less than During preset value, then pass through the direction of normal adjustment mode adjusting device.

It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned In embodiment, the software that multiple steps or method can in memory and by suitable instruction executing device be performed with storage Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware Any one of row technology or their combination are realized:With the logic gates for realizing logic function to data-signal Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene Programmable gate array (FPGA) etc..

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description such as example " or " some examples " means to combine specific features, structure, material or the feature that the embodiment or example are described It is contained at least one embodiment of the present invention or example.In this manual, the schematic representation of above-mentioned term is differed Surely identical embodiment or example are referred to.Moreover, specific features, structure, material or the feature of description can be any Combined in an appropriate manner in one or more embodiments or example.

Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this The scope of invention is limited by claim and its equivalent.

Claims (4)

1. a kind of method according to wind direction adjusting device direction, it is characterised in that including:
Wind direction is detected by accelerometer;And
According to the wind direction adjusting device direction detected;
It is wherein described to detect that wind direction step includes by accelerometer:
Accelerometer obtains acceleration;
Accelerometer continues to obtain additional acceleration in preset time;
Judge whether the additional acceleration that the accelerometer is obtained in preset time exceedes default fluctuation range;With And
It is described when the additional acceleration that the accelerometer is obtained in preset time exceedes in default fluctuation range Accelerometer reacquires acceleration;
Lateral misalignment angle and vertical drift angle are derived according to the acceleration;And
Wind direction is derived according to the lateral misalignment angle derived and the positive and negative and ratio of vertical drift angle, wherein the lateral misalignment angle isVertical drift angle isAcceleration isG accelerates for gravity Degree.
2. the method as claimed in claim 1 according to wind direction adjusting device direction, it is characterised in that according to the acceleration Vector derivation also includes after going out lateral misalignment angle and vertical drift angle step:
Mass density according to lateral misalignment angle, vertical drift angle and the accelerometer shell is derived derives wind intensity;
Judge whether the wind intensity derived exceedes preset value;And
When the wind intensity for judging to derive exceedes preset value, direct adjusting device direction to preset direction.
3. a kind of device according to wind direction adjusting device direction, it is characterised in that including:
Accelerometer, for detecting wind direction;And
Device orientation adjustment unit, for the direction of the wind direction adjusting device detected according to the accelerometer;
Wherein described accelerometer includes:
Acceleration acquiring unit, the acceleration for obtaining the accelerometer, is specifically included:
Original acceleration vector acquiring unit, the acceleration original for obtaining the accelerometer;
Coriolis acceleration vector acquiring unit, for obtaining original acceleration arrow in the original acceleration vector acquiring unit Continue to obtain additional acceleration in preset time after amount;And
Acceleration judging unit, for judging that the coriolis acceleration vector acquiring unit obtains additional in preset time Acceleration whether exceed default fluctuation range,
When the acceleration judging unit judges that the coriolis acceleration vector acquiring unit obtains attached in preset time Plus acceleration when exceeding default fluctuation range, the original acceleration vector acquiring unit reacquires original acceleration Spend vector;
Lateral misalignment angle and vertical drift angle derivation unit, for the acceleration obtained according to the acceleration acquiring unit Derive lateral misalignment angle and vertical drift angle;And
Wind direction derivation unit, for the lateral misalignment angle and vertical drift angle derived according to the lateral misalignment angle and vertical drift angle derivation unit just Negative and ratio derives wind direction, wherein the lateral misalignment angle isVertical drift angle isAcceleration is sweared Measure and beG is acceleration of gravity.
4. the device as claimed in claim 3 according to wind direction adjusting device direction, it is characterised in that the accelerometer bag Include:
Wind intensity derivation unit, it is close for the quality according to the lateral misalignment angle derived, vertical drift angle and the accelerometer shell Degree derives wind intensity;And
Wind intensity judging unit, for judging it is default whether wind intensity that the wind intensity derivation unit derives exceedes Value,
When the wind intensity judging unit judges that the wind intensity derived exceedes preset value, the device orientation adjustment is single First directly adjusting device direction is to preset direction.
CN201510779083.3A 2015-11-13 2015-11-13 According to the method and device in wind direction adjusting device direction CN105259928B (en)

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