CN105757311A - Identification method for control gestures of faucet - Google Patents
Identification method for control gestures of faucet Download PDFInfo
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- CN105757311A CN105757311A CN201410817741.9A CN201410817741A CN105757311A CN 105757311 A CN105757311 A CN 105757311A CN 201410817741 A CN201410817741 A CN 201410817741A CN 105757311 A CN105757311 A CN 105757311A
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Abstract
The invention discloses an identification method for control gestures of a faucet. The method adopts a detection unit, wherein the detection unit can detect a first area and a second area. The identification method comprises the following steps of (1) setting effective time T1 which is spent for moving a hand from the first area to the second area; (2) detecting time T3 which is spent for moving the hand from the first area to the second area, and judging to be invalid operation if the T3 is not in the range of the T1; (3) setting time T2 which is spent for moving the hand in the second area according to the T3, wherein the T2 is in direct proportion to the T3; (4) if the T3 is in the range of the T1, but the hand does not move to the first area, judging the action of the step (2) to be a first valid gesture; (5) if the hand moves, but time T4 which is spent for moving the hand in the second area is less than the T2, judging the back and forth movement of the hand between the first area and the second area to be a first valid gesture; if the T4 is larger than the T2, judging the phenomenon that the hand moves into he first area to be a second valid gesture. The method provided by the invention is quick in identification and high in accuracy.
Description
Technical field
Present invention design relates to bathroom hot-water heating technical field, particularly relates to a kind of faucet and controls the recognition methods of gesture.
Background technology
In prior art, faucet controls the recognition methods of gesture adopts in the effectively detection region near sensor detection faucet whether there are objects moving often, and the direction further according to movement produces corresponding control signal.Such as, when user brandishes hands to the right from the left side of faucet, the movement that sensor detection is in one's hands, and produce to increase the signal of water temperature or current, when hands moves to left side from the right side of faucet, produce to reduce the signal of water temperature or current.This kind of gesture identification method existing defects.If user thinks continuous tuneHigh water temperatureTime, complete once left side brandishing to the right, it is necessary to get around search coverage once, bring very big inconvenience to user every time.
Summary of the invention
In view of this, it is an object of the invention to overcome defect of the prior art, it is provided that the recognition methods of the control gesture of the faucet that a kind of recognition speed is fast, easy to operate, Detection results is good.
The recognition methods of the control gesture of faucet provided by the invention, described recognition methods adopts timer and detection unit, described detection unit includes the first detecting element and the second detecting element that are oppositely arranged, described first detecting element is positioned at the side of described faucet, described second detecting element is positioned at the opposite side of described faucet, the region that described first detecting element is able to detect that is first area, the region that described second detecting element is able to detect that is second area, and described recognition methods comprises the following steps:
The first step, preset hands move from described first area to second area or the effective time that moves to first area from described second area be T1；
Second step, when detection unit detection is in one's hands in the first region, and towards second area move time, described timer starts timing, and when hands moves to second area, described timer completes a timing, described timer timing time is T3, judge whether T3 is within the scope of T1, if not within the scope of T1, be then judged as invalid operation；
3rd step, sets hands traveling time T2 in described first area or the traveling time in described second area as T2 according to T3, and wherein T2 and T3 is directly proportional, and T2 is less than T1；
4th step, if T3 is within the scope of T1, then whether detection hands is moved from second area to first area further, if not being moved, then judging that the hands in described second step moves to second area from first area is first effective gesture, and produces the first signal；
5th step, if detection hands moves to described first area from described second area, then measure hands traveling time in described second area, described traveling time is T4, if T4 is less than T2, then judge that hands moves to described second area from described first area, then to move back to described first area from described second area be also first effective gesture, and produce the first signal；If T4 is more than T2, then judges that hands moves to described first area from described second area and be second effective gesture and produce secondary signal.
Further, described time T1 is 0.1s-1s.
Further, described time T2 is 0.05s-0.5s.
Further, described first signal is used for heightening water flow temperature or water velocity, and described secondary signal is used for turning down temperature or the water velocity of current.
Further, described first detecting element and the second detecting element are positioned at same level or same perpendicular.
Further, described detection unit also includes being oppositely arranged the 3rd detecting element and the 4th detecting element, and described 3rd detecting element is mutually perpendicular to towards the direction of the second detecting element towards the direction of described 4th detecting element with described first detecting element；The region that described 3rd detecting element is able to detect that is the 3rd region, the region that described 4th detecting element is able to detect that is the 4th region, described recognition methods comprises the following steps: when hands moves from the 3rd region towards the 4th region, described timer starts timing, and when hands moves to four regions, described timer completes a timing, described timer timing time is T5, judge whether T5 is within the scope of T1, if not within the scope of T1, be then judged as invalid operation；If within the scope of T1, when then measurement hands moves from the 4th region to the 3rd region further, hands is at the traveling time in described 3rd region, described traveling time is T6, if T6 is less than T2, then judge that hands moves to described 4th region from described 3rd region, then to move to described 3rd region from described 4th region be the 3rd effective gesture, and produce the 3rd signal；If T6 is more than T2, then judges that hands moves from described 4th region to described 3rd region and be once the 4th effective gesture and produce the 4th signal.
Further, described first detecting element, described second detecting element, described 3rd detecting element and described 4th detecting element are infrared sensor.
Adopt technique scheme, have the advantages that
The recognition methods of the control gesture of faucet provided by the invention, owing to adopting the second detecting element of two the first detecting elements being oppositely arranged, recognition methods is measured hands and is moved the comparison of the time to second area and the time of setting from first area, it may be judged whether occur effectively to control gesture.Also measure simultaneously hands from second area move to first area time, the time moved in the second area compared with the setting time, identified the classification in the hands effective gesture from back and forth movement process first area and second area.The control gesture method of faucet provided by the invention, simple to operate, reduce hands in back and forth movement, the time of different effectively gesture switching, and identify the accuracy of gesture.
Accompanying drawing explanation
Figure1 is the three-dimensional signal in the first embodiment of recognition methods of the control gesture of faucet of the present inventionFigure；
Figure2 is the three-dimensional signal in recognition methods the second embodiment of the control gesture of faucet of the present inventionFigure；
Figure3 is the timing principles of the recognition methods of the control gesture of faucet of the present inventionFigure；
Figure4 is the logic control signal in the first embodiment of recognition methods of the control gesture of faucet of the present inventionFigure。
AttachedFigureLabelling synopsis:
1-the first detecting element；2-the second detecting element；
3-the 3rd detecting element；4-the 4th detecting element；
11-first area；21-second area；
31-the 3rd region；41-the 4th region.
Detailed description of the invention
Below in conjunction with attachedFigureFurther illustrate the specific embodiment of the present invention.It should be noted that the word "front", "rear" of middle use is described below, "left", "right", "up" and "down" refer to attachedFigureIn direction, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
AsFigure1、Figure3 HesFigureShown in 4, faucet in one embodiment of the invention controls the recognition methods of gesture, recognition methods have employed timer and detection unit, detection unit includes the first detecting element 1 and the second detecting element 2 being oppositely arranged, first detecting element 1 is positioned at the side of faucet, and the second detecting element 2 is positioned at the opposite side of faucet, and the region that the first detecting element 1 is able to detect that is first area 11, the region that second detecting element 2 is able to detect that is second area 21, and recognition methods comprises the following steps:
The first step, preset hands move from first area 11 to second area 21 or the effective time that moves to first area 11 from second area 21 be T1；
Second step, when detection unit detection is in one's hands in first area 11, and towards second area 21 move time, timer starts timing, and when hands moves to second area 21, timer completes a timing, timer timing time is T3, judge whether T3 is within the scope of T1, if not within the scope of T1, be then judged as invalid operation；
According to T3,3rd step, determines that hands traveling time T2 in first area 11 or the traveling time in second area 21 are T2, wherein T2 and T3 is directly proportional, and T2 is less than T1；
4th step, if T3 is within the scope of T1, then whether detection hands is moved from second area 21 to first area 11 further, if not being moved, then judging that the hands in second step moves back in second area 21 from first area 11 is first effective gesture, and produces the first signal；
5th step, if detection hands moves to first area 11 from second area 21, then measure hands traveling time in second area 21, this traveling time is T4, if T4 is less than T2, then judge that hands moves to second area 21 from first area 11, then to move to first area 11 from second area 21 be also first effective gesture, and produce the first signal；If T4 is more than T2, then judges that hands moves to first area 11 from second area 21 and be second effective gesture and produce secondary signal.
AsFigureShown in 1, the first detecting element 1 and the second detecting element 2 are positioned in same level, and interval is oppositely arranged.Wherein, it is +X direction towards the direction of the first detecting element 1, is-X direction towards the direction of the second detecting element.When hands back and forth movement between the first detecting element 1 and the second detecting element 2, it is necessary to identify back and forth movement gesture, and produce different control signals.
AsFigureShown in 3, wherein,FigureThe direction of arrow in 3, represents the direction that user's arm moves.Timer measuring hands moves the traveling time T3 to second area 21 from first area 11, is compared with setting time T1 by traveling time T3.Setting time T1 is a kind of scope.When T3 is more than T1, then illustrate that the time that hands moves to second area 21 from first area 11 is oversize, is not the gesture of effective adjustable tap, now judges that this mobile gesture is invalid gesture.If T3 is less than T1, then it represents that the time that hands moves to second area 21 from first area 11 is too short, it is judged that for maloperation.
Hands moves the time T3 to second area 21 from first area 11, and the distance between speed and first area 11 to second area 21 that time T3 moves with hands is associated.The speed that hands moves is more fast, and the distance between first area 11 to second area 21 is more short, then time T3 is more few.Otherwise it is more big with regard to time T3.
Between upon displacement, T3 is positioned at setting time T1, it is judged that for effective operation, determines setting time T2 according to traveling time T3 further.The setting time, T2 was directly proportional to traveling time T3.That is, hands does in the process once reciprocated between first area 11 and second area 21, after hands first moves second area 21 from first area 11, then does in second area 21 and once reciprocates, move towards first area 11, be finally moved in first area 11.Back and forth movement of hands, specifically, namely hands is in first area 11, towards-X direction, after entering second area 21, then moves towards +X direction in second area 21 reversely, is finally displaced in first area 11.
If hands moves to the time T3 of second area 21 more short from first area 11, illustrating that the speed that hands moves is more fast, therefore, hands translational speed in follow-up second area 21 is also more fast, therefore, according to this feature, sets time T2 and is directly proportional to traveling time T3.Therefore, setting time T2 is not a fixed value, but one can in the value of certain limit change.
Move to the traveling time T3 of second area 21 when timer gathers first area 11 in one's hands, the numerical value setting time T2 just can be calculated at once according to traveling time T3 and relative program set in advance, if traveling time T3 is more little, setting time T2 is correspondingly more little, so can reduce the time judging gesture.
According to setting time T2, contrast hands is the actual traveling time T4 measured in first area 11 or second area 21, if traveling time T4 is less than setting time T2, after then representing that hands enters second area 21, move back towards first area 11 rapidly, now judge that hands back and forth movement between first area 11 and second area 21 is one first effective gesture, and produce the first signal.First signal can be carryHigh water temperatureSignal, or improve water velocity signal.Meanwhile, if operator repeats first time back and forth movement, then continue to be identified as first effective gesture, and produce the first signal, carry furtherHigh water temperatureOr water velocity.
Move to second area from first area 11 when detection is in one's hands, detection unit detects whether hands is moved from second area 21 to first area 11 further, if not being moved, then judging that the hands in second step moves to second area 21 from first area 11 is first effective gesture, and produce the first signal, namely hands is also first effective gesture from first area 11 to second area 21 one-way movement, produces the first signal.
AsFigure1 HeFigureShown in 3, if traveling time T4 is more than setting time T2, then represent, in setting time T2, hands does not occur that second area 21 moves to first area 11, after namely hands is moved into second area 21 towards-X, within the T2 time, hands is still in second area 21, it does not have move to first area 11 towards +X direction.This illustrates that the translational speed of hands reduces, even there is of short duration pause, when, after setting time T2, hands moves in first area 11 to +X direction again, now being identified as hands from second area 21 to the one-way movement of first area 11 is second effective gesture, and produces secondary signal.Secondary signal can be reduce the signal of water temperature, or reduces the signal of water velocity.
The recognition methods of above-mentioned gesture, it is possible to avoid winding by hand search coverage to change control gesture, according to hands detecting translational speeds different in region, can also identify different gestures, produces different signals simultaneously, reduce faucet and control the time of parameter switching.Make simple to operate, natural, smooth and easy.
In the present embodiment, the above-mentioned time T1 that sets is as 0.1s-1s.According to daily life experience, the speed that general old people moves is relatively slow, and the speed that youngster moves, it is determined that set time T1 as 0.1s-1s
In the present embodiment, above-mentioned hands in first area 11 or second area 21 time that the sets T2 of movement as 0.05s-0.5s.Owing to the length of first area 11 or the length of second area 21 are less than the distance of first area 11 to second area 21.Accordingly, it is determined that set time T2 as 0.05s-0.5s.Setting time T2 is directly proportional to actual traveling time T3.Namely when hands moves to the traveling time T3 of second area 21 more short from first area 11, then setting time T2 also more short, T2 tends to close to 0.05s, and between upon displacement, T3 is more long, sets time T3 also more long.So in quick-moving speed moving process, the speed of the identification gesture classification of this method is also accelerated therewith, both ensure that the accuracy identifying gesture, the speed of the identification improved again.
In the present embodiment, the first detecting element 1 and the second detecting element 2 are positioned at same level or same perpendicular.If the first detecting element 1 and the second detecting element 2 are positioned at same level, then may identify which that user moves in the horizontal direction the different gestures of arm, namelyFigureX-direction in 1.If the first detecting element 1 and the second detecting element 2 are positioned at same perpendicular, then may identify which that user moves the different gestures of arm in the vertical direction, namelyFigureIn Y-direction.Certainly, in practical operation, the arm of user possibility when mobile will not be move horizontally utterly or vertically move utterly, identification ability according to the first detecting element 1 and the second detecting element 2, when user's arm can be allowed to move, its track moved can be at a certain angle with horizontal plane or vertical plane, is may identify which when generally this angle is less than 20 °.Such as, when user's inclination movement arm, the direction of its inclination is less than 20 °, and the recognition methods of the present invention thinks that hands is that occurred level moves, and produces the first signal or secondary signal.
During the second of the present invention is implemented, asFigureShown in 2, detection unit also includes being oppositely arranged the 3rd detecting element 3 and the 4th detecting element 4, and the 3rd detecting element 3 is mutually perpendicular to towards the direction of the second detecting element 2 towards the direction of the 4th detecting element 4 with the first detecting element 1.The region that 3rd detecting element 3 is able to detect that is the 3rd region 31, and the region that the 4th detecting element 4 is able to detect that is the 4th region 41, and recognition methods comprises the following steps:
When hands moves from the 3rd region 31 towards the 4th region 41, timer starts timing, when hands moves to four regions 41, timer completes a timing, and timer timing time is T5, it is judged that whether T5 is within the scope of T1, if not within the scope of T1, then it is judged as invalid operation.If within the scope of T1, when then measurement hands moves from the 4th region 41 to the 3rd region 31 further, hands is at the traveling time in the 4th region 41, traveling time is T6, if T6 is less than T2, then judge that hands moves to the 4th region 41 from the 3rd region 31, then to move from the 4th region 41 to the 3rd region 31 be the 3rd effective gesture, and produce the 3rd signal；If T6 is more than T2, then judging that hands moves from the 4th region 41 to the 3rd region 31 is once the 4th effective gesture, and produces the 4th signal.
Specifically, when hands, in the 3rd region 31 and the 4th region 41, a back and forth movement occurs, above-mentioned recognition methods may identify which gesture two kinds different.When traveling time T6 is less than setting time T2 in the 4th region 41 for hands, judge that hands occurs a back and forth movement to be the 3rd effective gesture between the 3rd region 31 and the 4th region 41, when hands traveling time T6 in the 4th region 41 more than when setting time T2, then judges that hands is the 4th motion gesture from the 4th region 41 single-way moving to the 3rd region 31.
AsFigureShown in 2, the 3rd detecting element 3 is +Y direction towards the direction of the 4th detecting element 4, is reversed-Y direction.First detecting element 1 is +X direction towards the direction of the second detecting element 2, is reversed-X direction.So may identify which that hands moves and movement in vertical level in the horizontal plane.Thus the first signal and secondary signal both can have been produced, it is also possible to produce the 3rd signal and the 3rd signal.Such as, when the signal setting the first signal and being to increase water temperature, secondary signal is to reduce the signal of water temperature, then can set that the 3rd signal is to increase the signal of water velocity, and the 4th signal is the signal reducing water velocity.
3rd detecting element 3 and the 4th its operation principle of detecting element 4 are similar to the first detecting element 1 and the second detecting element 2, repeat no more herein.It is of course also possible to increase detecting element in other direction, and then judging the different gestures occurred on different directions, produce different control signals, its principle is all similar, no longer enumerates herein.
In the present embodiment, first detecting element the 1, second detecting element the 2, the 3rd detecting element 3 and the 4th detecting element 4 are infrared sensor.Infrared sensor can in the movement of room temperature action recognition user's arm, the Changing Pattern according to the temperature sensing arm of arm, human body and other objects is distinguished, and infrared sensor fast response time, highly sensitive simultaneously, improves the accuracy of gesture identification.Certainly, in the gesture identification method of the present invention, first detecting element the 1, second detecting element the 2, the 3rd detecting element 3 and the 4th detecting element 4 can also adopt other kinds of sensor or induction apparatus, as long as the motion of user's arm can be detected.
Above-described is only principles of the invention and preferred embodiment.It should be pointed out that, for the person of ordinary skill of the art, on the basis of the principle of the invention, it is also possible to make other modification some, also should be regarded as protection scope of the present invention.
Claims (7)
1. the recognition methods of a faucet control gesture, described recognition methods adopts timer and detection unit, described detection unit includes the first detecting element and the second detecting element that are oppositely arranged, described first detecting element is positioned at the side of described faucet, described second detecting element is positioned at the opposite side of described faucet, the region that described first detecting element is able to detect that is first area, the region that described second detecting element is able to detect that is second area, it is characterized in that, described recognition methods comprises the following steps:
The first step, preset hands move from described first area to second area or the effective time that moves to first area from described second area be T1；
Second step, when detection unit detection is in one's hands in the first region, and towards second area move time, described timer starts timing, and when hands moves to second area, described timer completes a timing, described timer timing time is T3, judge whether T3 is within the scope of T1, if not within the scope of T1, be then judged as invalid operation；
3rd step, sets hands traveling time T2 in described first area or the traveling time in described second area as T2 according to T3, and wherein T2 and T3 is directly proportional, and T2 is less than T1；
4th step, if T3 is within the scope of T1, then whether detection hands is moved from second area to first area further, if not being moved, then judging that the hands in described second step moves to second area from first area is first effective gesture, and produces the first signal；
5th step, if detection hands moves to described first area from described second area, then measure hands traveling time in described second area, described traveling time is T4, if T4 is less than T2, then judge that hands moves to described second area from described first area, then to move back to described first area from described second area be first effective gesture, and produce the first signal；If T4 is more than T2, then judges that hands moves to described first area from described second area and be second effective gesture and produce secondary signal.
2. faucet according to claim 1 controls the recognition methods of gesture, it is characterised in that the described time T1 that sets is as 0.1s-1s.
3. faucet according to claim 2 controls the recognition methods of gesture, it is characterised in that the described time T2 that sets is as 0.05s-0.5s.
4. faucet according to claim 1 controls the recognition methods of gesture, it is characterised in that described first signal is used for heightening water flow temperature or water velocity, and described secondary signal is used for turning down temperature or the water velocity of current.
5. faucet according to claim 1 controls the recognition methods of gesture, it is characterised in that described first detecting element and the second detecting element are positioned at same level or same perpendicular.
6. faucet according to claim 1 controls the recognition methods of gesture, it is characterized in that, described detection unit also includes being oppositely arranged the 3rd detecting element and the 4th detecting element, and described 3rd detecting element is mutually perpendicular to towards the direction of the second detecting element towards the direction of described 4th detecting element with described first detecting element；The region that described 3rd detecting element is able to detect that is the 3rd region, and the region that described 4th detecting element is able to detect that is the 4th region, and described recognition methods comprises the following steps:
When hands moves from the 3rd region towards the 4th region, described timer starts timing, when hands moves to four regions, described timer completes a timing, described timer timing time is T5, judge whether T5 is within the scope of setting time T1, if not within the scope of T1, be then judged as invalid operation；
If within the scope of T1, when then measurement hands moves from the 4th region to the 3rd region further, hands is at described four-range traveling time, described traveling time is T6, if T6 is less than setting time T2, then judge that hands moves to described 4th region from described 3rd region, then to move to described 3rd region from described 4th region be the 3rd effective gesture, and produce the 3rd signal；If T6 is more than setting time T2, then judges that hands moves from described 4th region to described 3rd region and be once the 4th effective gesture and produce the 4th signal.
7. faucet according to claim 6 controls the recognition methods of gesture, it is characterised in that described first detecting element, described second detecting element, described 3rd detecting element and described 4th detecting element are infrared sensor.
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| CN105757311B (en) | 2018-02-23 |
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