CN110345888A - Measure method, apparatus, drinking equipment and the storage medium of the physical size of object - Google Patents
Measure method, apparatus, drinking equipment and the storage medium of the physical size of object Download PDFInfo
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- CN110345888A CN110345888A CN201910732823.6A CN201910732823A CN110345888A CN 110345888 A CN110345888 A CN 110345888A CN 201910732823 A CN201910732823 A CN 201910732823A CN 110345888 A CN110345888 A CN 110345888A
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- Prior art keywords
- ultrasonic signal
- energy amplitude
- physical size
- ultrasonic
- energy
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Embodiment of the present invention provides method, apparatus, drinking equipment and the storage medium of a kind of physical size for measuring object, belongs to ultrasound detection field.The described method includes: emitting ultrasonic signal to the placement region of the object；Opposite sides in the transmitting position of ultrasonic signal receives the first ultrasonic signal and the second ultrasonic signal reflected through the object respectively；Determine the first energy amplitude of first ultrasonic signal and the second energy amplitude of second ultrasonic signal；And at least one of first ultrasonic signal and second ultrasonic signal are selected to determine the physical size of the object according to first energy amplitude and second energy amplitude.In this way, can expand detection range by the ultrasonic signal for receiving object reflection respectively in the two sides of the transmitting position of ultrasonic signal, reduce check frequency and improve detection accuracy.
Description
Technical field
The present invention relates to ultrasound detection fields, method, apparatus, drink more particularly to a kind of physical size for measuring object
Wetting system and storage medium.
Background technique
In the measurement application of ultrasonic wave, the characteristic that ultrasonic wave encounters barrier reflection can use, according to the speed of sound wave
The distance that object is calculated with respect to ultrasonic wave emission source is spent with elapsed time, so as to indirect on the time shaft of ultrasonic wave
The different height face for reflecting testee feedback diagram, and the letter such as height for calculating according to the waveform of feedback testee
Breath.However, in some cases, when passing through ultrasound examination object, due to the placement position deviation of testee, it may appear that
Biggish check frequency, to influence testing result.
Summary of the invention
In order at least be partially solved the above-mentioned problems in the prior art, the purpose of embodiment of the present invention is to provide
A kind of method, apparatus, drinking equipment and the storage medium of the physical size measuring object.
To achieve the goals above, embodiment of the present invention provides a kind of method for measuring the physical size of object,
The described method includes: emitting ultrasonic signal to the placement region of the object；In the opposite of the transmitting position of ultrasonic signal
Two sides receive the first ultrasonic signal and the second ultrasonic signal reflected through the object respectively；Determine first ultrasonic wave
Second energy amplitude of the first energy amplitude of signal and second ultrasonic signal；And according to first energy amplitude
Come with second energy amplitude selection at least one of first ultrasonic signal and second ultrasonic signal true
The physical size of the fixed object.
Optionally, the of the first energy amplitude and second ultrasonic signal for determining first ultrasonic signal
Before two energy amplitudes, the method also includes: the first physical size is determined according to first ultrasonic signal；According to described
Second ultrasonic signal determines the second physical size；And determine first physical size and the second physical size phase
Match.
Optionally, first physical size and second physical size match including first physical size with
Second physical size is identical or deviation between first physical size and second physical size is default first
In deviation range.
Optionally, described to select first ultrasonic wave to believe according to first energy amplitude and second energy amplitude
Number and at least one of second ultrasonic signal come determine the physical size include: by first energy amplitude with
Second energy amplitude is compared；It is that first energy amplitude and second energy amplitude mismatch in comparison result
In the case where, one of select in first ultrasonic signal and second ultrasonic signal energy amplitude larger to determine
The physical size；And the case where comparison result is first energy amplitude and second energy amplitude matches
Under, select any one in first ultrasonic signal and second ultrasonic signal or both to determine the physics
Size.
Optionally, first energy amplitude and second energy amplitude match including first energy amplitude with
Second energy amplitude is identical or deviation between first energy amplitude and second energy amplitude is default second
In deviation range.
Optionally, the physical size includes one of length, width and height.
Optionally, the object includes water receiving container, the method also includes: according to first energy amplitude and described
It is described to determine that second energy amplitude selects at least one of first ultrasonic signal and second ultrasonic signal
The liquid level of liquid in water receiving container.
On the other hand, embodiment of the present invention also provides a kind of for measuring the device of the physical size of object, the dress
Setting includes: ultrasonic transmitter, is configured to emit ultrasonic signal to the placement region of the object；First ultrasonic wave receives
Device is configured to receive first ultrasonic signal of the ultrasonic signal after object reflection；Second ultrasonic wave receives
Device is configured to receive second ultrasonic signal of the ultrasonic signal after object reflection, wherein described the first surpass
Acoustic receiver and second ultrasonic receiver are separately positioned on the opposite sides of the ultrasonic transmitter；And processing
Device is configured to: determining the first energy amplitude of first ultrasonic signal and the second energy of second ultrasonic signal
Discharge amplitude；And first ultrasonic signal and described is selected according to first energy amplitude and second energy amplitude
At least one of second ultrasonic signal determines the physical size of the object.
Optionally, the processor is in the first energy amplitude and second ultrasound for determining first ultrasonic signal
It before second energy amplitude of wave signal, is further configured to: the first physical size is determined according to first ultrasonic signal；Root
The second physical size is determined according to second ultrasonic signal；And determine first physical size and the second physics ruler
It is very little to match.
Optionally, first physical size and second physical size match including first physical size with
Second physical size is identical or deviation between first physical size and second physical size is default first
In deviation range.
Optionally, the processor described the first surpasses according to first energy amplitude and second energy amplitude selection
At least one of acoustic signals and second ultrasonic signal determine that the physical size includes: by first energy
Amplitude is compared with second energy amplitude；It is first energy amplitude and second energy amplitude in comparison result
One of in unmatched situation, select in first ultrasonic signal and second ultrasonic signal energy amplitude larger
To determine the physical size；And match in comparison result first energy amplitude with second energy amplitude
In the case of, it is described to determine to select any one in first ultrasonic signal and second ultrasonic signal or both
Physical size.
Optionally, first energy amplitude and second energy amplitude match including first energy amplitude with
Second energy amplitude is identical or deviation between first energy amplitude and second energy amplitude is default second
In deviation range.
Optionally, the physical size includes one of length, width and height.
Optionally, the object includes water receiving container, and the processor is further configured to: according to first energy amplitude
Come with second energy amplitude selection at least one of first ultrasonic signal and second ultrasonic signal true
The liquid level of liquid in the fixed water receiving container.
Correspondingly, embodiment of the present invention also provides a kind of drinking equipment, and the drinking equipment includes above-mentioned for surveying
Measure the device of the physical size of object.
Optionally, the ultrasonic transmitter is set to the surface in the water receiving region of the drinking equipment, and is configured
At ultrasonic signal described in the water receiving field emission to the drinking equipment, first ultrasonic receiver and described the second surpass
Acoustic receiver is symmetricly set on the left and right sides of the ultrasonic transmitter.
Optionally, the drinking equipment includes water dispenser, coffee machine or fruit juice mixer.
In addition, embodiment of the present invention also provides a kind of machine readable storage medium, deposited on the machine readable storage medium
Instruction is contained, the instruction is above-mentioned for measuring object for enabling the processor to execute when being executed by processor
The method of physical size.
In the above-mentioned technical solutions, by receiving the super of object reflection respectively in the two sides of the transmitting position of ultrasonic signal
Acoustic signals can expand detection range, reduce check frequency.By comparing the energy for the ultrasonic signal that different location receives
Discharge amplitude can determine the offset direction of object, so as to select more suitably ultrasound in the ultrasonic signal received
Wave signal determines the physical size of object, and then improves detection accuracy.
The other feature and advantage of embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to embodiment of the present invention, and constitute part of specification, with
Following specific embodiment is used to explain the present invention embodiment together, but does not constitute the limit to embodiment of the present invention
System.In the accompanying drawings:
Fig. 1 is the flow chart of the method for the physical size for measuring object that one embodiment of the present invention provides；
Fig. 2 is the ultrasonic signal emitters and ultrasound signal receipt device that a kind of optional embodiment of the present invention provides
Location map；
Fig. 3 to Fig. 5 is the schematic diagram for the drinking equipment that a kind of optional embodiment of the present invention provides；And
Fig. 6 is the block diagram of the device for the physical size for measuring object that one embodiment of the present invention provides.
Description of symbols
11 ultrasonic transmitter, 12 first ultrasonic receiver
13 second ultrasonic receiver, 14 processor
21 cup, 22 water outlet
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It is to be appreciated that if related in embodiment of the present invention directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in embodiment of the present invention, it should " first ", " second "
Deng description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated
The quantity of technical characteristic." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one and be somebody's turn to do
Feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill people
Based on member can be realized, this technical solution will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
Combination be not present, also not the present invention claims protection scope within.
Fig. 1 is the flow chart of the method for the physical size for measuring object that one embodiment of the present invention provides.Such as
Shown in Fig. 1, embodiment of the present invention provides a kind of method for measuring the physical size of object, and this method includes following step
It is rapid:
Step S11 emits ultrasonic signal to the placement region of object.
Wherein, which can be emitted by ultrasonic transmitter.For example, when object is the water receivings such as cup
It, can be by cup vertical display in order to measure the height of cup when container.Ultrasonic transmitter direction cup from cup is sent
Ultrasonic signal, to detect first distance of the cup edge at the top of cup apart from ultrasonic transmitter, if plane separation where cup
From known to the second distance of ultrasonic transmitter or can by detection obtain, then the difference of second distance and first distance is water
The height of cup.
Step S12, the opposite sides in the transmitting position of ultrasonic signal receive the first ultrasound through object reflection respectively
Wave signal and the second ultrasonic signal.
Specifically, ultrasonic receiver can be respectively set in the opposite sides of ultrasonic transmitter, two ultrasonic waves connect
Receiving device can neighbouring ultrasonic transmitter setting.Wherein, the first ultrasonic receiver is for received ultrasonic signal through object
The first ultrasonic signal of backward first ultrasonic receiver position reflection is reflected, the second ultrasonic receiver is for connecing
Receive the second ultrasonic signal that ultrasonic signal reflects backward second ultrasonic receiver position reflection through object.Example
Such as, the first ultrasonic receiver can be set in the left side of ultrasonic transmitter, and anti-through object for received ultrasonic signal
The first ultrasonic signal reflected after penetrating to left side, the second ultrasonic receiver can be set on the right side of ultrasonic transmitter,
And the second ultrasonic signal reflected after object reflects to right side for received ultrasonic signal.
Step S13 determines the first energy amplitude of the first ultrasonic signal and the second energy width of the second ultrasonic signal
Degree.
In step s 13, after receiving the first ultrasonic signal and the second ultrasonic signal, first can be determined respectively
First energy amplitude of ultrasonic signal and the second energy amplitude of the second ultrasonic signal.Wherein, which can
Think the ceiling capacity amplitude of the first ultrasonic signal, which can be the ceiling capacity of the second ultrasonic signal
Amplitude.In addition, in other embodiment, the first energy amplitude and the second energy amplitude can also be respectively the first ultrasonic wave
The average energy amplitude of signal and the second ultrasonic signal.
Step S14 selects the first ultrasonic signal and the second ultrasonic wave according to the first energy amplitude and the second energy amplitude
At least one of signal determines the physical size of object.
Specifically, the first ultrasonic receiver and the second ultrasonic receiver can be located at the phase of ultrasonic transmitter
To two sides (for example, the left and right sides or front and rear sides).It, can be with after receiving the first ultrasonic signal and the second ultrasonic signal
First energy amplitude of the first ultrasonic signal is compared with the second energy amplitude of the second ultrasonic signal, is comparing knot
Fruit is to select the first ultrasonic signal and the second ultrasonic wave letter under the first energy amplitude and the unmatched situation of the second energy amplitude
Energy amplitude is one of larger in number determines physical size.It is the first energy amplitude and the second energy amplitude phase in comparison result
In matched situation, any one in the first ultrasonic signal and the second ultrasonic signal or both is selected to determine object
Physical size.Wherein, the first energy amplitude and the second energy amplitude match including the first energy amplitude and the second energy amplitude
Identical or deviation between the first energy amplitude and the second energy amplitude is within the scope of the second predetermined deviation.Wherein, second is default
Deviation range can determine according to the actual situation, so that the deviation between the first energy amplitude and the second energy amplitude is
In the case where within the scope of two predetermined deviations, pass through the physics ruler for the object that the first ultrasonic signal and the second ultrasonic signal determine
Deviation between very little within an acceptable range, that is, passes through the object of the determining object of the first ultrasonic signal and the second ultrasonic signal
It is essentially identical to manage size.Wherein, the physical size of object may include one of length, width and height.
In a kind of optional embodiment of the present invention, between step S12 and step S13, can also include:
Step S21 determines the first physical size according to the first ultrasonic signal.
Step S22 determines the second physical size according to the second ultrasonic signal.
Step S23 determines that the first physical size matches with the second physical size.
Wherein, sequentially it can be interchanged or be performed simultaneously between step S21 and step S22.
Specifically, in step S21 and step S22, can be believed respectively according to the first ultrasonic signal and the second ultrasonic wave
Number determine object physical size.Specifically, basis the first ultrasonic signal and the second ultrasonic signal can be received respectively
Time and the velocity of sound determine the physical size of object.
For example, the height of above-mentioned cup can be determined according to the first ultrasonic signal and the second ultrasonic signal respectively.Tool
Body, ultrasonic signal can be emitted to cup by ultrasonic transmitter from cup top, and by setting in ultrasonic wave hair
The first ultrasonic receiver and the second ultrasonic receiver at left and right sides of emitter receive the first ultrasound through cup reflection respectively
Wave signal and the second ultrasonic signal, and determine respectively and receive the first receiving time of the first ultrasonic signal and receive the
The second receiving time of two ultrasonic signal times.In situation known to the velocity of sound, believed by the first receiving time and ultrasonic wave
Number launch time between time difference can determine first detecting distance of the cup edge apart from ultrasonic transmitter of the cup, lead to
The time difference crossed between the second receiving time and the launch time of ultrasonic signal can determine the cup edge distance ultrasound of the cup
Second detecting distance of wave launcher.If the distance between plane and ultrasonic transmitter where cup (i.e. bottom of a cup and ultrasound
The distance between wave launcher) it is known or can be determined by detection, then it can pass through the first detecting distance and the second inspection respectively
Ranging is from the height for determining cup.
It, can be by the first physical size determined according to the first ultrasonic signal and according to the second ultrasound in step S23
The second physical size that wave signal determines is compared, and the case where the first physical size and the second physical size match
Under, execute step S13.Wherein, the first physical size and the second physical size match including the first physical size and the second object
Manage that size is identical or deviation between the first physical size and the second physical size is within the scope of the first predetermined deviation.This is first pre-
If deviation range can be preset according to the actual situation, so that the deviation between the first physical size and the second physical size
When within the scope of first predetermined deviation, it is possible to determine that the first ultrasonic signal and the second ultrasonic signal are returned through same object
It penetrates.In this way, can determine the first ultrasonic signal and the second ultrasound by comparing the first physical size and the second physical size
Whether wave signal returns via same object is penetrated.
In a kind of optional embodiment of the present invention, as shown in Figures 2 to 5, this is used to measure the physical size of object
Method can be used for the measurement in drinking equipment to the height of water receiving container.The water receiving container is, for example, cup 21.Cup 21 exists
When water intaking, the specified water receiving region of 22 lower section of water outlet can be placed on.Ultrasonic transmitter 11, the first ultrasonic receiver
12 and second ultrasonic receiver 13 can be located at the top of cup 21, and be integrated in same module with water outlet 22.Such as Fig. 2 institute
Show, ultrasonic transmitter 11, the first ultrasonic receiver 12 and the second ultrasonic receiver 13 can be distributed in water outlet 22 weeks
It encloses, ultrasonic transmitter 11 is located at the inside of water outlet 22 (i.e. Fig. 3 into Fig. 5 vertical paper inwards side), and the first ultrasonic wave connects
It receives device 12 and the left and right sides of ultrasonic transmitter 11,12 He of the first ultrasonic receiver is arranged in the second ultrasonic receiver 13
Second ultrasonic receiver 13 can be identical to 11 distance of ultrasonic transmitter, but the line between ultrasonic transmitter 11 can
It is angled with opposite left and right directions.
Cup 21 can generally be placed on the water receiving region immediately below ultrasonic transmitter 11, and (i.e. 21 institute of cup is in place in Fig. 3
It sets).However, due to the presence for putting error, cup 21 may be deviated (such as such as Fig. 2 with respect to ultrasonic transmitter 11
Or shown in Fig. 3, cup 21 is put to the left or to the right).In order to reduce since cup 21 puts detection error caused by deviation, in water
Cup 21, which is likely to occur on the direction (such as left and right directions) of deviation, is symmetrical arranged the first ultrasonic receiver 12 and the second ultrasonic wave
Receiver 13.
As shown in Figures 3 to 5, in the detection process, ultrasonic signal can be emitted by ultrasonic transmitter 11 first,
And pass through 13 received ultrasonic signal of the first ultrasonic receiver 12 and the second ultrasonic receiver.In order to simplify statement, by the
The ultrasonic signal that one ultrasonic receiver 12 receives is defined as the first ultrasonic signal, and the second ultrasonic receiver 13 is connect
The ultrasonic signal received is defined as the second ultrasonic signal.Wherein, the spoke for the ultrasonic signal that ultrasonic transmitter 11 emits
The path of the ultrasonic signal of range and part reflection is penetrated as shown in arrow of the Fig. 3 into Fig. 5.
As shown in figure 3, being reflected into the first ultrasonic wave through cup 21 if cup 21 is located at immediately below ultrasonic transmitter
The energy amplitude of the ultrasonic signal of receiver 12 and the second ultrasonic receiver 13 is essentially identical, i.e. the first ultrasonic signal with
The energy amplitude of second ultrasonic signal matches.It is thereby possible to select the first ultrasonic receiver 12 and the second ultrasonic wave connect
Receive in device 13 any one and ultrasonic transmitter 11 detection cup height jointly, it can according to the first ultrasonic signal and the
Any one in two ultrasonic signals determines the height of cup.Furthermore it is also possible to surpass by the first ultrasonic signal and the second
Acoustic signals determine the height of cup respectively, and the final detection height using the average value of the two as cup.
As shown in figure 4, if cup 21 is emitted with respect to the position placement to the left in Fig. 3 by ultrasonic transmitter 11
Ultrasonic signal is after the reflection of cup body 21, and the ultrasonic signal reflected to the second ultrasonic receiver 13 (i.e. believe by the second ultrasonic wave
Number) more dissipate, therefore energy amplitude (i.e. the first energy of the first ultrasonic signal that the first ultrasonic receiver 12 receives
Amplitude) it is greater than energy amplitude (i.e. the second energy width for the second ultrasonic signal that the second ultrasonic receiver 13 receives
Degree).Therefore, in the case where determining that the first energy amplitude is greater than the second energy amplitude, illustrate that 21 placement location of cup is to the left, this
When the second ultrasonic receiver 13 there may be check frequencies, therefore can be sent out using the first ultrasonic receiver 12 and ultrasonic wave
Emitter 11 detects the height of cup 21, i.e., determines cup according to the first ultrasonic signal that the first ultrasonic receiver 12 receives
21 height.
As shown in figure 5, if cup 21 is emitted with respect to the position placement to the right in Fig. 3 by ultrasonic transmitter 11
Ultrasonic signal is after the reflection of cup body 21, and the ultrasonic signal reflected to the first ultrasonic receiver 12 (i.e. believe by the first ultrasonic wave
Number) more dissipate, therefore energy amplitude (i.e. the second energy of the second ultrasonic signal that the second ultrasonic receiver 13 receives
Amplitude) it is greater than energy amplitude (i.e. the first energy width for the first ultrasonic signal that the first ultrasonic receiver 12 receives
Degree).Therefore, in the case where determining that the second energy amplitude is greater than the first energy amplitude, illustrate that 21 placement location of cup is to the right, this
When the first ultrasonic receiver 12 there may be check frequencies, therefore can be sent out using the second ultrasonic receiver 13 and ultrasonic wave
Emitter 11 detects the height of cup 21, i.e., determines cup according to the second ultrasonic signal that the second ultrasonic receiver 13 receives
21 height.
In addition, the first ultrasonic signal and the second ultrasonic signal are not limited to the height of the water receiving containers such as detection cup 21,
In other optional embodiments, the first ultrasonic signal and the second ultrasonic signal be can be also used in detection water receiving container
The liquid level of liquid.That is, can also be selected according to the first energy amplitude and the second energy amplitude the first ultrasonic signal and
At least one of second ultrasonic signal determines the liquid level of the liquid in water receiving container.Specifically, water receiving container just
It, can be true according at least one of the first ultrasonic signal and the second ultrasonic signal in the case where being really placed on water receiving region
Determine the liquid level of the liquid in water receiving container；It, can be according to first in the case where water receiving container is connected to each other water area placement to the left
Ultrasonic signal determines the liquid level of the liquid in water receiving container；In the case where water receiving container is connected to each other water area placement to the right,
The liquid level of the liquid in water receiving container can be determined according to the second ultrasonic signal.
In this way, by the ultrasonic signal for receiving object reflection respectively in the two sides of the transmitting position of ultrasonic signal, it can
To expand detection range, check frequency is reduced.It, can be with by comparing the energy amplitude for the ultrasonic signal that different location receives
It determines the offset direction of object, is determined so as to select more suitable ultrasonic signal in the ultrasonic signal received
The physical size of object, and then improve detection accuracy.
Fig. 6 is the block diagram of the device for the physical size for measuring object that one embodiment of the present invention provides.Such as Fig. 6
Shown, embodiment of the present invention also provides a kind of for measuring the device of the physical size of object, this is used to measure the object of object
Reason size device may include ultrasonic transmitter 11, the first ultrasonic receiver 12, the second ultrasonic receiver 13 and
Processor 14.Wherein, ultrasonic transmitter 11 is configured to emit ultrasonic signal to the placement region of object.First ultrasonic wave
Receiver 12 is configured to first ultrasonic signal of the received ultrasonic signal after object reflects.Second ultrasonic receiver 13
It is configured to second ultrasonic signal of the received ultrasonic signal after object reflects.Wherein, 12 He of the first ultrasonic receiver
Second ultrasonic receiver 13 is separately positioned on the opposite sides of ultrasonic transmitter 11.Processor 14 is configured to determine first
First energy amplitude of ultrasonic signal and the second energy amplitude of the second ultrasonic signal, and according to the first energy amplitude and
Two energy amplitudes select at least one of the first ultrasonic signal and the second ultrasonic signal to determine the physical size of object.
Wherein, processor 14 can include but is not limited to: general processor, application specific processor, conventional processors, digital signal processor
(DSP), multi-microprocessor, with the associated one or more microprocessors of DSP core, controller, microcontroller, single-chip microcontroller,
Specific integrated circuit (ASIC), field programmable gate array (FPGA) circuit, other any kind of integrated circuits (IC) and
State machine etc..In addition, the physical size of object may include one of length, width and height.
In a kind of optional embodiment of the present invention, processor 14 is in the first energy amplitude for determining the first ultrasonic signal
It before the second energy amplitude of the second ultrasonic signal, is further configured to: the first physics is determined according to the first ultrasonic signal
Size determines the second physical size according to the second ultrasonic signal, and determines the first physical size and the second physical size phase
Matching.Wherein, it includes: that the first physical size is identical as the second physical size that the first physical size and the second physical size, which match,
Or the first deviation between physical size and the second physical size is within the scope of the first predetermined deviation.
That is, processor 14 is in the first energy amplitude and the second ultrasonic signal for determining the first ultrasonic signal
Before second energy amplitude, the physics ruler of object can be first determined by the first ultrasonic signal and the second ultrasonic signal respectively
It is very little, if the two determines the physical size of object very close to can determine the first ultrasonic signal and the second ultrasonic signal
Be reflected through same object, if the two determine object physical size difference it is larger, illustrate the first ultrasonic signal and
Second ultrasonic signal is to reflect through different objects, therefore cannot be compared the two.
In a kind of optional embodiment of the present invention, processor 14 is selected according to the first energy amplitude and the second energy amplitude
At least one of first ultrasonic signal and the second ultrasonic signal determine that physical size may include: by the first energy width
Degree is compared with the second energy amplitude；It is the first energy amplitude and the unmatched situation of the second energy amplitude in comparison result
Under, one of select energy amplitude in the first ultrasonic signal and the second ultrasonic signal larger to determine the physics ruler of object
It is very little；In the case where comparison result is that the first energy amplitude and the second energy amplitude match, select the first ultrasonic signal with
In second ultrasonic signal any one or both determine the physical size of object.Wherein, the first energy amplitude and second
It includes: the first energy amplitude identical as the second energy amplitude or the first energy amplitude and the second energy amplitude that energy amplitude, which matches,
Between deviation within the scope of the second predetermined deviation.
As a kind of optional embodiment of the present invention, object may include water receiving container, and processor 14 is further configured to: root
Come according to the first energy amplitude and the second energy amplitude selection at least one of the first ultrasonic signal and the second ultrasonic signal
Determine the liquid level of the liquid in water receiving container.
As shown in Figures 3 to 6, embodiment of the present invention also provides a kind of drinking equipment, on which may include
The device for the physical size for measuring object stated.Wherein, the water receiving in drinking equipment can be set in ultrasonic transmitter 11
The surface in region (i.e. 21 position of cup in Fig. 3), and it is configured to the water receiving field emission ultrasonic wave to drinking equipment
Signal.First ultrasonic receiver 12 and the second ultrasonic receiver 13 can be symmetricly set on the left and right of ultrasonic transmitter 11
Two sides.In this way, drinking equipment can automatically determine water receiving appearance during user carries out water receiving with water receiving containers such as cups 21
Whether device has position deviation relative to specified water receiving region, and relative to specified water receiving region, there are positions in water receiving container
In the case where deviation, can select ultrasonic receiver appropriate received ultrasonic signal determine the height of water receiving container
With the information such as liquid level so that the detection of the information such as size and liquid level to water receiving container is more accurate.Wherein, which sets
Standby may include water dispenser, coffee machine or fruit juice mixer etc..
In addition, embodiment of the present invention also provides a kind of machine readable storage medium, deposited on the machine readable storage medium
Instruction is contained, the instruction is above-mentioned for measuring object for enabling the processor to execute when being executed by processor
The method of physical size.
Optional embodiment of the invention is described in detail in conjunction with attached drawing above, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, it, can be to the skill of embodiment of the present invention in the range of the technology design of embodiment of the present invention
Art scheme carries out a variety of simple variants, these simple variants belong to the protection scope of embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, embodiment of the present invention
To various combinations of possible ways, no further explanation will be given.
It will be appreciated by those skilled in the art that realizing that all or part of the steps in above embodiment method is can to lead to
Program is crossed to instruct relevant hardware and complete, which is stored in a storage medium, including some instructions use so that
Single-chip microcontroller, chip or processor (processor) execute all or part of the steps of each embodiment the method for the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention embodiment, it should also be regarded as the disclosure of the present invention.
Claims (18)
1. a kind of method for measuring the physical size of object, which is characterized in that the described method includes:
Emit ultrasonic signal to the placement region of the object；
Opposite sides in the transmitting position of ultrasonic signal receive respectively the first ultrasonic signal for being reflected through the object and
Second ultrasonic signal；
Determine the first energy amplitude of first ultrasonic signal and the second energy amplitude of second ultrasonic signal；With
And
First ultrasonic signal is selected according to first energy amplitude and second energy amplitude and described the second is surpassed
At least one of acoustic signals determine the physical size of the object.
2. the method according to claim 1, wherein in the first energy width for determining first ultrasonic signal
Before second energy amplitude of degree and second ultrasonic signal, the method also includes:
The first physical size is determined according to first ultrasonic signal；
The second physical size is determined according to second ultrasonic signal；And
Determine that first physical size matches with second physical size.
3. according to the method described in claim 2, it is characterized in that, first physical size and the second physical size phase
Matching includes first physical size the first physical size identical or described with second physical size and second object
The deviation between size is managed within the scope of the first predetermined deviation.
4. the method according to claim 1, wherein described according to first energy amplitude and second energy
Discharge amplitude selects at least one of first ultrasonic signal and second ultrasonic signal to determine the physics ruler
It is very little to include:
First energy amplitude is compared with second energy amplitude；
In the case where comparison result is first energy amplitude and the unmatched situation of the second energy amplitude, described first is selected
Energy amplitude is one of larger in ultrasonic signal and second ultrasonic signal determines the physical size；And
In the case where comparison result is first energy amplitude and second energy amplitude matches, described first is selected
In ultrasonic signal and second ultrasonic signal any one or both determine the physical size.
5. according to the method described in claim 4, it is characterized in that, first energy amplitude and the second energy amplitude phase
Matching includes first energy amplitude the first energy amplitude identical or described with second energy amplitude and second energy
Deviation between discharge amplitude is within the scope of the second predetermined deviation.
6. the method according to claim 1, wherein the physical size includes in length, width and height
One.
7. the method according to claim 1, wherein the object includes water receiving container, the method also includes:
First ultrasonic signal and second ultrasonic wave are selected according to first energy amplitude and second energy amplitude
At least one of signal determines the liquid level of the liquid in the water receiving container.
8. a kind of for measuring the device of the physical size of object, which is characterized in that described device includes:
Ultrasonic transmitter is configured to emit ultrasonic signal to the placement region of the object；
First ultrasonic receiver is configured to receive first ultrasonic wave letter of the ultrasonic signal after object reflection
Number；
Second ultrasonic receiver is configured to receive second ultrasonic wave letter of the ultrasonic signal after object reflection
Number, wherein first ultrasonic receiver and second ultrasonic receiver are separately positioned on the ultrasonic transmitter
Opposite sides；And
Processor is configured to:
Determine the first energy amplitude of first ultrasonic signal and the second energy amplitude of second ultrasonic signal；With
And
First ultrasonic signal is selected according to first energy amplitude and second energy amplitude and described the second is surpassed
At least one of acoustic signals determine the physical size of the object.
9. device according to claim 8, which is characterized in that the processor is determining first ultrasonic signal
Before second energy amplitude of the first energy amplitude and second ultrasonic signal, it is further configured to:
The first physical size is determined according to first ultrasonic signal；
The second physical size is determined according to second ultrasonic signal；And
Determine that first physical size matches with second physical size.
10. device according to claim 9, which is characterized in that first physical size and second physical size
Match the first physical size identical or described with second physical size and described second including first physical size
Deviation between physical size is within the scope of the first predetermined deviation.
11. device according to claim 8, which is characterized in that the processor is according to first energy amplitude and institute
The second energy amplitude selection at least one of first ultrasonic signal and second ultrasonic signal are stated to determine
Stating physical size includes:
First energy amplitude is compared with second energy amplitude；
In the case where comparison result is first energy amplitude and the unmatched situation of the second energy amplitude, described first is selected
Energy amplitude is one of larger in ultrasonic signal and second ultrasonic signal determines the physical size；And
In the case where comparison result is first energy amplitude and second energy amplitude matches, described first is selected
In ultrasonic signal and second ultrasonic signal any one or both determine the physical size.
12. device according to claim 11, which is characterized in that first energy amplitude and second energy amplitude
Match the first energy amplitude identical or described with second energy amplitude and described second including first energy amplitude
Deviation between energy amplitude is within the scope of the second predetermined deviation.
13. device according to claim 8, which is characterized in that the physical size includes in length, width and height
One.
14. device according to claim 8, which is characterized in that the object includes water receiving container, the processor also by
It is configured to:
First ultrasonic signal is selected according to first energy amplitude and second energy amplitude and described the second is surpassed
At least one of acoustic signals determine the liquid level of the liquid in the water receiving container.
15. a kind of drinking equipment, which is characterized in that the drinking equipment includes being weighed according to any one of claim 8 to 14
Benefit requires the device of the physical size for measuring object.
16. drinking equipment according to claim 15, which is characterized in that the ultrasonic transmitter is set to the drinking-water
The surface in the water receiving region of equipment, and it is configured to ultrasonic signal described in the water receiving field emission to the drinking equipment,
First ultrasonic receiver and second ultrasonic receiver are symmetricly set on the left and right two of the ultrasonic transmitter
Side.
17. drinking equipment according to claim 15, which is characterized in that the drinking equipment includes water dispenser, coffee machine
Or fruit juice mixer.
18. a kind of machine readable storage medium, which is characterized in that be stored with instruction on the machine readable storage medium, the instruction
For enabling the processor to execute when being executed by processor according to claim 1 to any one of 7 claims
The method of the physical size for measuring object.
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