CN113143019A - Water receiving device and method based on ultrasonic control - Google Patents
Water receiving device and method based on ultrasonic control Download PDFInfo
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- CN113143019A CN113143019A CN202110183099.3A CN202110183099A CN113143019A CN 113143019 A CN113143019 A CN 113143019A CN 202110183099 A CN202110183099 A CN 202110183099A CN 113143019 A CN113143019 A CN 113143019A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 238000000034 method Methods 0.000 title claims description 15
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000000523 sample Substances 0.000 claims description 46
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 241000190070 Sarracenia purpurea Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 241000404068 Cotula Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- 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
- A47J31/4403—Constructional details
-
- 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
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
- A47J31/461—Valves, e.g. drain valves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
Abstract
The invention discloses a water receiving device based on ultrasonic control, wherein an ultrasonic ranging module is arranged on the side surface of a water outlet and used for measuring a second distance and a third distance, the second distance is the distance from the ultrasonic ranging module to the ultrasonic ranging module after the ultrasonic ranging module transmits an ultrasonic signal to a cup edge, and the third distance is the distance from the ultrasonic ranging module to the ultrasonic ranging module after the ultrasonic ranging module transmits the ultrasonic signal to the center of the liquid surface in a cup; the control module is used for obtaining the vertical distance from the ultrasonic ranging module to the cup mouth and the vertical distance from the ultrasonic ranging module to the liquid level in the cup, performing difference value operation based on L3 and L4, and controlling the water outlet valve switch based on a fourth distance; the invention has the advantages that a plurality of ultrasonic echo signals are utilized to control equipment to automatically discharge and stop water through the height difference between the cup edge and the liquid level; people can receive water by one hand without waiting, the device can realize automatic water receiving and overflow prevention, and can realize cold water and hot water receiving modes.
Description
Technical Field
The invention relates to the technical field of ultrasonic control, in particular to a water receiving device and method based on ultrasonic control.
Background
Along with technical development, the intelligent house is popularized, more and more easy operation, it is convenient, the water dispenser can realize the cup and put promptly the water receiving in addition ranging module, the infrared ray of using now, inconvenient installation, photoelectric equipment such as laser, in the use, easily receive the influence of hot water steam, or vapor condensation, easy erroneous judgement etc. the ultrasonic wave has natural advantage in this aspect, does not receive the steam influence, even probe surface adheres to the water droplet, judges no influence to the water.
Disclosure of Invention
The invention aims to provide a water receiving device and method based on ultrasonic control.
The invention is realized by the following technical scheme:
a water receiving device based on ultrasonic control comprises an ultrasonic ranging module, a control module and a water outlet valve switch, wherein the ultrasonic ranging module is arranged on the side surface of a water outlet,
the ultrasonic ranging module is used for measuring the distance from the ultrasonic ranging module to the cup edge after the ultrasonic ranging module transmits the ultrasonic signal to the cup edge, and taking the distance as a second distance; the distance measuring module is used for measuring the distance from the ultrasonic ranging module to the liquid level center in the cup and then returns to the ultrasonic ranging module, and the distance is used as a third distance;
the control module is used for obtaining a vertical distance L4 from the ultrasonic ranging module to the cup opening and a vertical distance L3 from the ultrasonic ranging module to the liquid level in the cup based on the second distance and the third distance, performing difference operation on the parameter L3 and the parameter L4 to obtain a fourth distance, and controlling the water outlet valve to be switched based on the fourth distance;
the water outlet valve switch is used for controlling water outlet of the water outlet.
When a traditional water dispenser is switched on or off to receive water, the switch button is used for manually controlling the depth of water placed in a water cup, and by adopting the mode, when the water dispenser receives the water, the hot water easily overflows, so that a user is scalded or the water in the water cup easily overflows when the user forgets to switch off the water button, and the water source is wasted.
Preferably, the ultrasonic ranging module comprises a first ultrasonic probe and a second ultrasonic probe, the first ultrasonic probe is used for transmitting ultrasonic waves, the second ultrasonic probe is used for receiving the ultrasonic waves, and the first ultrasonic probe and the second ultrasonic probe are respectively arranged on two sides of the water outlet.
The first ultrasonic probe can also be used for receiving ultrasonic waves, and the second ultrasonic probe can also be used for transmitting ultrasonic waves, namely the first ultrasonic probe and the second ultrasonic probe are two opposite probes, one is used for receiving ultrasonic waves, and the other is used for generating ultrasonic waves.
Preferably, the water receiving device further comprises an input module, a water temperature measuring module, a temperature control module and a display module,
the input module is used for setting the outlet water temperature and setting the preset threshold distance between the cup mouth and the liquid level;
the water temperature measuring module is used for measuring the current water temperature and transmitting a measured temperature signal to the control module;
the temperature control module is used for receiving the temperature signal sent by the control module and adjusting the water temperature in real time;
and the display module is used for receiving the temperature signal transmitted by the control module and displaying the water state discharged from the current water outlet.
Set up a plurality of modules, can be used for measuring the degree of depth of water when the cup connects hot water, avoided because the fog of water causes the water receiving insufficient.
Preferably, the ultrasonic module further comprises a third ultrasonic probe, and the third ultrasonic probe, the second ultrasonic probe and the first ultrasonic probe measure a cup hole diameter L6 by means of three-point positioning.
And a third ultrasonic probe is arranged to measure the diameter of the cup mouth of the cup placed below the water outlet mainly in a three-point positioning mode.
The invention also discloses a water receiving method based on ultrasonic control, which comprises the following steps:
s1: whether a cup exists in the range of the ultrasonic ranging modules is detected through ultrasonic waves, and if the cup exists, a first distance L1 between the ultrasonic ranging modules and a cup opening diameter L6 are obtained;
s2: acquiring a second distance and a third distance, wherein the second distance is the distance from the ultrasonic ranging module to the ultrasonic ranging module after the ultrasonic ranging module transmits the ultrasonic signal to the cup edge, and the third distance is the distance from the ultrasonic ranging module to the ultrasonic ranging module after the ultrasonic ranging module transmits the ultrasonic signal to the center of the liquid level in the cup;
s3: obtaining a vertical distance L4 from the ultrasonic ranging module to the cup opening based on the first distance L1, the diameter L6 and the second distance;
s4: obtaining a vertical distance L3 from the ultrasonic ranging module to the liquid level in the cup based on the first distance L1 and the third distance;
s5: performing difference operation on the parameters L3 and L4 to obtain a fourth distance L5;
s6: and judging whether the fourth distance is greater than a preset threshold distance, if so, opening the water outlet valve, and if not, closing the water outlet valve.
The current water depth is judged by calculating the difference between the distances in the control module and making relevant judgment on the calculation result.
Preferably, the specific calculation expression of the fourth distance is as follows:
L5＝L3-L4
l5 is a fourth distance, C0For ultrasonic velocity, t3Is the flight time of the ultrasonic waves in the page in the detection cup, t4The time of flight of the cup rim is detected for the ultrasonic waves.
Preferably, said time of flight t3The specific expression of (A) is as follows:
C0for the ultrasonic propagation speed, x1+ x2 is the third distance, and x1 is x 2.
Preferably, said time of flight t4The specific expression of (A) is as follows:
C0for the ultrasonic propagation velocity, d1+ d2 is the second distance.
Preferably, the preset threshold distance is the distance between the edge of the cup and the liquid level in the cup.
The specific preset threshold distance can be set manually according to the requirements of users.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention provides a water receiving device and method based on ultrasonic control, which utilizes a plurality of echo signals of ultrasonic waves to identify the edge of a cup and the liquid level, and controls equipment to automatically discharge water and stop water through the height difference between the edge of the cup and the liquid level;
2. by adopting the ultrasonic control-based water receiving device and the method, water can be received by one hand, a cup is placed below a water dispenser, people do not need to wait, the device can realize automatic water receiving, water stopping and overflow prevention, can realize cold water and hot water receiving modes, and has no influence of water vapor.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic block diagram of a water receiving device
FIG. 2 is a detailed installation diagram of the ultrasonic probe
FIG. 3 is a flow chart during heating
FIG. 4 is a schematic diagram of a method for controlling reception of ultrasonic waves
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example one
The embodiment discloses a water receiving device based on ultrasonic control, which comprises an ultrasonic ranging module, a control module and a water outlet valve switch as shown in figure 1, wherein the ultrasonic ranging module is arranged on the side surface of a water outlet,
the ultrasonic ranging module is used for measuring the distance from the ultrasonic ranging module to the cup edge after the ultrasonic ranging module transmits the ultrasonic signal to the cup edge, and taking the distance as a second distance; the distance measuring module is used for measuring the distance from the ultrasonic ranging module to the liquid level center in the cup and then returns to the ultrasonic ranging module, and the distance is used as a third distance; according to the principle of ultrasonic reflection, when an ultrasonic signal is sent to a certain point with an obstacle, the point can reflect the ultrasonic signal and return the reflected ultrasonic signal to the ultrasonic ranging module, so that the distance value between the ultrasonic wave and the return can be measured through the return time and the speed of the ultrasonic wave;
the control module is used for obtaining a vertical distance L4 from the ultrasonic ranging module to the cup opening and a vertical distance L3 from the ultrasonic ranging module to the liquid level in the cup based on the second distance and the third distance, performing difference operation on the parameter L3 and the parameter L4 to obtain a fourth distance, and controlling the water outlet valve to be switched based on the fourth distance; the distance difference between the cup opening and the liquid level in the cup is calculated through the control module, and the opening or closing of the water outlet valve switch is controlled by judging the size of the difference, so that the liquid level and the depth of water in the cup are controlled.
The ultrasonic ranging module comprises a first ultrasonic probe and a second ultrasonic probe, the first ultrasonic probe is used for transmitting ultrasonic waves, the second ultrasonic probe is used for receiving the ultrasonic waves, the first ultrasonic probe and the second ultrasonic probe are respectively arranged on two sides of the water outlet, and the two ultrasonic probes are respectively used for measuring the relation between the cup edge or the liquid level in the cup.
The ultrasonic module further comprises a third ultrasonic probe, the second ultrasonic probe and the first ultrasonic probe measure the diameter L6 of the cup hole in a three-point positioning mode, the main position of the third ultrasonic probe is arranged in the same plane with the second ultrasonic probe and the first ultrasonic probe, the third ultrasonic probe is arranged on the rear side of the water outlet, and the diameter of the cup mouth of the cup placed below the water outlet can be calculated in a three-point positioning mode.
Example two
The embodiment is based on the technical scheme of the first embodiment, and optimizes a water receiving device based on ultrasonic control, as shown in fig. 1, when the water receiving device in the first embodiment is applied to a water dispenser, the water receiving device further comprises an input module, a water temperature measuring module, a temperature control module and a display module,
the input module is used for setting the outlet water temperature and setting the preset threshold distance between the cup mouth and the liquid level;
the water temperature measuring module is used for measuring the current water temperature and transmitting a measured temperature signal to the control module;
the temperature control module is used for receiving the temperature signal sent by the control module and adjusting the water temperature in real time;
and the display module is used for receiving the temperature signal transmitted by the control module and displaying the water state discharged from the current water outlet.
The water temperature of water outlet from the water port is measured mainly through the water temperature measuring module, if a user needs to heat the water temperature, the required water outlet temperature is set through the input module, the control module judges the signal in real time after receiving the water temperature signal, and controls the temperature control module to heat the water to the required temperature, and when the water is discharged, the distance difference between the cup opening and the page in the cup can be calculated through the ultrasonic module.
As shown in fig. 3, for the flow chart after adding the module, a fixed temperature value is set by the control module, for example, when the temperature is set to 85 ℃, if the temperature is lower than the fixed temperature value, the water temperature needs to be heated, when the temperature is heated to the required temperature, or when the temperature is higher than the fixed temperature value, the heating is stopped, if the temperature is not higher than the fixed temperature value, the distance between the rim of the cup and the liquid level needs to be measured by ultrasonic waves, it is first determined whether the cup exists in the measurement range, if the cup does not exist, the water outlet valve is closed, the water temperature adjustment is closed, if the cup exists, the difference between the rim of the cup and the liquid level in the cup is greater than the set value, if the cup is greater than the set value, the water temperature is adjusted, the water temperature is heated, and if the water outlet valve is smaller than the set value, the water outlet valve is closed.
EXAMPLE III
A water receiving method based on ultrasonic control, as shown in fig. 2 and 4, the water receiving method includes the steps of:
s1: detecting whether a cup exists in the range of the ultrasonic ranging module, and if so, acquiring a first distance L1 between the first ultrasonic probe and the second ultrasonic probe and a cup mouth diameter L6;
when the cup is not placed in the detection range of the ultrasonic waves, the set cup range needs to be detected, when the cup is detected to exist, the distance measurement of each datum is started, and if the cup does not exist, the relevant distance measurement is not carried out.
S2: acquiring a second distance and a third distance, wherein the second distance is the distance from the ultrasonic ranging module to the ultrasonic ranging module after the ultrasonic ranging module transmits the ultrasonic signal to the cup edge, and the third distance is the distance from the ultrasonic ranging module to the ultrasonic ranging module after the ultrasonic ranging module transmits the ultrasonic signal to the center of the liquid level in the cup;
the second and third distances are detected by transmission of the ultrasonic waves to a fixed point and transmission of the ultrasonic waves to another ultrasonic wave in response to reflection.
S3: obtaining a vertical distance L4 from the ultrasonic ranging module to the cup opening based on the first distance L1, the diameter L6 and the second distance;
C0for ultrasonic velocity, t4The time of flight of the cup rim is detected for the ultrasonic waves.
Said time of flight t4The specific expression of (A) is as follows:
C0for the ultrasonic propagation velocity, d1+ d2 is the second distance.
S4: obtaining a vertical distance L3 from the ultrasonic ranging module to the liquid level in the cup based on the first distance L1 and the third distance;
t3for the flight time of the ultrasonic waves in the page in the detection cup,
said time of flight t3The specific expression of (A) is as follows:
C0for the ultrasonic propagation speed, x1+ x2 is the third distance, and x1 is x 2.
S5: performing difference operation on the parameters L3 and L4 to obtain a fourth distance L5;
the specific calculation expression of the fourth distance is as follows:
L5＝L3-L4
l5 is the fourth distance.
S6: and judging whether the fourth distance is greater than a preset threshold distance, if so, opening the water outlet valve, and if not, closing the water outlet valve.
The preset threshold distance is the distance between the cup edge and the liquid level in the cup, and can be set according to the requirements for the distance from the cup opening to the liquid level in the cup, which is needed to be connected, to the liquid level in the cup, and the distance can be set to what the distance is, so that the user can share the requirements according to the set distance.
The installation distance of the ultrasonic probe of the water dispenser to a bottom cup holder L2 is 20cm, the distance between the two probes L1 is 5cm, the diameter of a cup L6 is 6.5cm (the actual diameter of the cup is 4-8cm, the actual water receiving amount is slightly deviated and is about 1 cm), the safe distance between the edge of the cup and the liquid level is set to be L5 is 2cm, the value range of L3 is 3.9-19.7cm, the value range of L4 is 3.9-19.7cm, and the sound velocity of air co is 343m/s
Assuming that the general liquid level L3 measurement result is 10.3cm,
when the diameter of the cup edge is 6.5cm, the water is stopped when the actual cup edge and the liquid level are 2.0cm
When the diameter of the cup edge is 4cm, the water is cut off when the actual cup edge and liquid level are 1.6cm
When the diameter of the cup edge is 8cm, the water is cut off when the actual cup edge and liquid level are 2.34cm
The liquid level L3 measurement is assumed to be 9.37cm,
when the diameter of the cup edge is 6.5cm, the water is stopped when the actual cup edge and the liquid level are 2.0cm
When the diameter of the cup edge is 4cm, the water is cut off when the actual cup edge and liquid level are 1.71cm
When the diameter of the cup edge is 8cm, the water is cut off when the actual cup edge and liquid level are 2.15cm
It was recently assumed that the liquid level L3 measurement result was 3.9cm,
when the diameter of the cup edge is 6.5cm, the water is stopped when the actual cup edge and the liquid level are 2.0cm
When the diameter of the cup edge is 4cm, the water is cut off when the actual cup edge and liquid level are 1.14cm
When the diameter of the cup edge is 8cm, the actual cup edge and liquid level are 3.37cm, and the water is stopped
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A water receiving device based on ultrasonic control is characterized by comprising an ultrasonic ranging module, a control module and a water outlet valve switch, wherein the ultrasonic ranging module is arranged on the side surface of a water outlet,
the ultrasonic ranging module is used for measuring the distance from the ultrasonic ranging module to the cup edge after the ultrasonic ranging module transmits the ultrasonic signal to the cup edge, and taking the distance as a second distance; the distance measuring module is used for measuring the distance from the ultrasonic ranging module to the liquid level center in the cup and then returns to the ultrasonic ranging module, and the distance is used as a third distance;
the control module is used for obtaining a vertical distance L4 from the ultrasonic ranging module to the cup opening and a vertical distance L3 from the ultrasonic ranging module to the liquid level in the cup based on the second distance and the third distance, performing difference operation on the parameter L3 and the parameter L4 to obtain a fourth distance, and controlling the water outlet valve to be switched based on the fourth distance;
the water outlet valve switch is used for controlling water outlet of the water outlet.
2. The water receiving device based on ultrasonic control of claim 1, wherein the ultrasonic ranging module comprises a first ultrasonic probe and a second ultrasonic probe, the first ultrasonic probe is used for emitting ultrasonic waves, the second ultrasonic probe is used for receiving the ultrasonic waves, and the first ultrasonic probe and the second ultrasonic probe are respectively arranged on two sides of the water outlet.
3. The ultrasonic-based control water receiving device as claimed in claim 2, further comprising an input module, a water temperature measuring module, a temperature control module and a display module,
the input module is used for setting the outlet water temperature and setting the preset threshold distance between the cup mouth and the liquid level;
the water temperature measuring module is used for measuring the current water temperature and transmitting a measured temperature signal to the control module;
the temperature control module is used for receiving the temperature signal sent by the control module and adjusting the water temperature in real time;
and the display module is used for receiving the temperature signal transmitted by the control module and displaying the water state discharged from the current water outlet.
4. The ultrasonic-control-based water receiving device according to any one of claims 1 to 3, wherein the ultrasonic module further comprises a third ultrasonic probe, and the third ultrasonic probe, the second ultrasonic probe and the first ultrasonic probe measure a cup hole diameter L6 in a three-point positioning manner.
5. A water receiving method based on ultrasonic control is characterized by comprising the following steps:
s1: whether a cup exists in the range of the ultrasonic ranging modules is detected through ultrasonic waves, and if the cup exists, a first distance L1 between the ultrasonic ranging modules and a cup opening diameter L6 are obtained;
s2: acquiring a second distance and a third distance, wherein the second distance is the distance from the ultrasonic ranging module to the ultrasonic ranging module after the ultrasonic ranging module transmits the ultrasonic signal to the cup edge, and the third distance is the distance from the ultrasonic ranging module to the ultrasonic ranging module after the ultrasonic ranging module transmits the ultrasonic signal to the center of the liquid level in the cup;
s3: obtaining a vertical distance L4 from the ultrasonic ranging module to the cup opening based on the first distance L1, the diameter L6 and the second distance;
s4: obtaining a vertical distance L3 from the ultrasonic ranging module to the liquid level in the cup based on the first distance L1 and the third distance;
s5: performing difference operation on the parameters L3 and L4 to obtain a fourth distance L5;
s6: and judging whether the fourth distance is greater than a preset threshold distance, if so, opening the water outlet valve, and if not, closing the water outlet valve.
6. The method for receiving water under ultrasonic control according to claim 5, wherein the fourth distance is specifically calculated by the following expression:
L5＝L3-L4
l5 is a fourth distance, C0For ultrasonic velocity, t3Is the flight time of the ultrasonic wave in the liquid level in the detection cup, t4The time of flight of the cup rim is detected for the ultrasonic waves.
7. The ultrasonic-control-based water receiving method according to claim 6, wherein the flight time t is3The specific expression of (A) is as follows:
C0for the ultrasonic propagation speed, x1+ x2 is the third distance, and x1 is x 2.
8. The ultrasonic-control-based water receiving method according to claim 6, wherein the flight time t is4The specific expression of (A) is as follows:
C0for the ultrasonic propagation velocity, d1+ d2 is the second distance.
9. A method for receiving water under ultrasonic control according to claim 5, wherein the preset threshold distance is the distance between the edge of the cup and the liquid level in the cup.
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| CN202110183099.3A CN113143019A (en) | 2021-02-10 | 2021-02-10 | Water receiving device and method based on ultrasonic control |
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| CN202110183099.3A CN113143019A (en) | 2021-02-10 | 2021-02-10 | Water receiving device and method based on ultrasonic control |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097161A (en) * | 2006-06-30 | 2008-01-02 | 北京奥麦特科技有限公司 | Device for ultrasonic measuring liquid level and method thereof |
| CN103156527A (en) * | 2011-12-14 | 2013-06-19 | 西安众智惠泽光电科技有限公司 | Intelligent controller of water dispenser |
| CN204743794U (en) * | 2015-06-29 | 2015-11-11 | 美的集团股份有限公司 | Automatic collect water device |
| CN107242791A (en) * | 2017-06-12 | 2017-10-13 | 珠海格力电器股份有限公司 | A kind of water dispenser |
| CN110345888A (en) * | 2019-08-09 | 2019-10-18 | 佛山市顺德区美的饮水机制造有限公司 | Measure method, apparatus, drinking equipment and the storage medium of the physical size of object |
-
2021
- 2021-02-10 CN CN202110183099.3A patent/CN113143019A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097161A (en) * | 2006-06-30 | 2008-01-02 | 北京奥麦特科技有限公司 | Device for ultrasonic measuring liquid level and method thereof |
| CN103156527A (en) * | 2011-12-14 | 2013-06-19 | 西安众智惠泽光电科技有限公司 | Intelligent controller of water dispenser |
| CN204743794U (en) * | 2015-06-29 | 2015-11-11 | 美的集团股份有限公司 | Automatic collect water device |
| CN107242791A (en) * | 2017-06-12 | 2017-10-13 | 珠海格力电器股份有限公司 | A kind of water dispenser |
| CN110345888A (en) * | 2019-08-09 | 2019-10-18 | 佛山市顺德区美的饮水机制造有限公司 | Measure method, apparatus, drinking equipment and the storage medium of the physical size of object |
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Application publication date: 20210723 |
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