CN104257270A - Water outlet control method and system of drinking water supply device - Google Patents
Water outlet control method and system of drinking water supply device Download PDFInfo
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- CN104257270A CN104257270A CN201410419353.5A CN201410419353A CN104257270A CN 104257270 A CN104257270 A CN 104257270A CN 201410419353 A CN201410419353 A CN 201410419353A CN 104257270 A CN104257270 A CN 104257270A
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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
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
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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
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/58—Safety devices
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- Food Science & Technology (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Devices For Dispensing Beverages (AREA)
Abstract
The invention provides a water outlet control method and system of a drinking water supply device. The water outlet control method includes the steps of obtaining echo signals detected by ultrasonic wave sensors, wherein the ultrasonic wave sensors are arranged on a water outlet of the drinking water supply device; judging whether a water container is arranged between the water outlet and a shelf or not according to the echo signals and the distance between the pre-stored ultrasonic wave sensors and the shelf of the drinking water supply device; if the water container is arranged between the water outlet and the shelf, determining the height of the container edge of the water container according to the echo signals and the distance; determining the height of the surface of water in the water container according to the echo signals and the distance; and controlling the water outlet of the drinking water supply device according to the height of the container edge and the height of the surface of the water. A user can conveniently use the drinking water supply device like a water dispenser, a water purification machine and the like by adopting the water outlet control method and system; in addition, the water outlet control method and system can be suitable for various water containers with uncertain volumes according to the scheme of the invention.
Description
Technical field
The present invention relates to technical field of automatic control, particularly relate to a kind of water outlet control method and system of drinking water dispenser.
Background technology
Water dispenser, water purifier etc. are all the drinking water dispensers be often used in daily life, and general drinking water dispenser is equipped with delivery port, sets out taps at water outlet, and this effluent switch is mechanical device.When fetching water, user needs, by this effluent switch of Non-follow control, first to open effluent switch, closes effluent switch again after waiting water to be filled into certain altitude.This occupation mode due to needs user bend over personally before water dispenser, water purifier etc. wait for water fill, very inconvenient, and, when hot water taking, easily because boiling water spills, the person is damaged, there is potential safety hazard.
At present, some drinking water dispenser also has the drinking-water of constant volume to rush dispensing device, and the water tumbler that namely regulation coordinates certain volume fixing uses, and the container of water dispenser constant volume is close to the inner portion quantitative automatic to be filled.This water dispenser can only complete perfusion for the water container of fixed size (as water tumbler, kettle), cannot automatically complete all size is differed, the perfusion task of water container that volume is indefinite, make it apply and be restricted.
Summary of the invention
The object of the invention is to the shortcoming and defect overcoming prior art, provide a kind of easy to use and water outlet control method and the system of the drinking water dispenser of the indefinite water container of various volume can be applicable to.
Object of the present invention is achieved through the following technical solutions:
A water outlet control method for drinking water dispenser, it comprises the steps:
Obtain the echo-signal that ultrasonic sensor detects, wherein, described ultrasonic sensor is arranged on drinking water dispenser water outlet;
According to described echo-signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judge whether that water container is placed between described delivery port and described shelf;
If so, then determine that the container of described water container is along height according to described echo-signal and described distance;
The water surface elevation in described water container is determined according to described echo-signal and described distance;
Control the water outlet of described drinking water dispenser along height, described water surface elevation according to described container.
An outlet controlling system for drinking water dispenser, it comprises:
Acquisition module, for obtaining the echo-signal that ultrasonic sensor detects, wherein, described ultrasonic sensor is arranged on drinking water dispenser water outlet;
Judge module, for according to described echo-signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, has judged whether that water container is placed between described delivery port and described shelf;
Processing module, for when the result of determination of described judge module is for being, determine that the container of described water container is along height according to described echo-signal and described distance, determine the water surface elevation in described water container according to described echo-signal and described distance, control the water outlet of described drinking water dispenser according to described container along height, described water surface elevation.
According to the scheme in above-mentioned the present embodiment, it is the echo-signal obtaining ultrasonic sensor detection, based on this echo-signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judge whether that water container is placed between described delivery port and shelf, if, then determine that the container of described water container is along height according to described echo-signal and described distance, and the water surface elevation in described water container is determined according to described echo-signal and described distance, then can according to described container along height, described water surface elevation controls the water outlet of described drinking water dispenser, achieve and automatically control water outlet, easy to use, the water container that various volume is indefinite can be applicable to.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the embodiment one of the water outlet control method of drinking water dispenser of the present invention;
Fig. 2 is the oscillogram of the echo-signal that ultrasonic sensor detects;
Fig. 3 is the schematic flow sheet of the embodiment two of the water outlet control method of drinking water dispenser of the present invention;
Fig. 4 is the schematic flow sheet of the embodiment three of the water outlet control method of drinking water dispenser of the present invention;
Fig. 5 is the schematic flow sheet of the embodiment four of the water outlet control method of drinking water dispenser of the present invention;
Fig. 6 is the structural representation of an embodiment of the outlet controlling system of drinking water dispenser of the present invention;
Fig. 7 is the structural representation of another embodiment of the outlet controlling system of drinking water dispenser of the present invention.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that detailed description of the invention described herein only in order to explain the present invention, do not limit protection scope of the present invention.
In the following description, the embodiment first for the water outlet control method of drinking water dispenser is described, then is described each embodiment of the outlet controlling system of drinking water dispenser of the present invention.
Embodiment one
Shown in Figure 1, be the schematic flow sheet of the embodiment one of the water outlet control method of drinking water dispenser of the present invention.As shown in Figure 1, the water outlet control method of the drinking water dispenser in the present embodiment comprises the steps:
Step S101: obtain the echo-signal that ultrasonic sensor detects, wherein, described ultrasonic sensor is arranged on drinking water dispenser water outlet;
The number of ultrasonic sensor can be chosen according to actual needs, in order to realize the automatic control to water outlet, general needs at least two ultrasonic sensors, for this reason, wherein in an embodiment, the number of described ultrasonic sensor at least comprises two, wherein, a ultrasonic sensor is for launching ultrasonic wave, at least one ultrasonic sensor is for receiving ultrasonic wave, that is, can be that a ultrasonic sensor is for launching ultrasonic wave, one or more ultrasonic sensor is for receiving ultrasonic wave, the stronger ultrasonic wave of a ultrasonic sensor emissive porwer can be passed through, echo-signal is that this ultrasonic signal is through shelf, signal after the reflection such as water container or the water surface, echo-signal is by detecting for receiving hyperacoustic ultrasonic sensor, but it should be noted that, be not limited at least two ultrasonic sensors,
Step S102: according to described echo-signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judge whether that water container is placed between described delivery port and described shelf, if so, then step S103 is entered;
Wherein, water container is placed between described delivery port and shelf and generally refers to that water container is placed on described shelf, can certainly be that water container is suspended from described water container puts, and such as, user is with hand-held cup;
When hyperacoustic propagation distance is different, propagation time is also different, therefore, the first required propagation time can be propagated between ultrasonic sensor and shelf according to the distance determination ultrasonic wave between ultrasonic sensor and shelf, if and placed water container between described delivery port and described shelf, propagation distance reduces, propagation time also reduces accordingly, simultaneously ultrasonic wave run into when propagating water container along time, have more energy to be reflected, therefore, container is also stronger along the intensity of the echo-signal of reflection, thus, if described echo-signal has the sudden change of intensity (generally referring to unexpected increase) being less than the point sometime in described first propagation time (or sometime scope in), then can be judged to be that water container is placed between described delivery port and described shelf,
As shown in Figure 2, for certain detect time, without the echo-signal of water container oscillogram 2 (a) and have the oscillogram 2 (b) of echo-signal of water container, known by Fig. 2 (a), echo-signal intensity after M point obviously strengthens, can determine that the first propagation time was 1.15ms, and it is known by Fig. 2 (b), before M point, there is sudden change in hyperacoustic echo signal intensity, whether also demonstrate of the present inventionly has the water container mode be placed between described delivery port and described shelf to be feasible according to described echo-signal and described Distance Judgment,
Step S103: determine that the container of described water container is along height according to described echo-signal and described distance;
First according to second propagation time of described echo-signal determination container along correspondence, namely ultrasonic wave propagates into time needed for described container edge from ultrasonic sensor, as shown in Fig. 2 (b), echo waveform is the sudden change that intensity occurs in a time range, first can determine initial time and the termination time of this time range, such as, by strength ratio compared with mode determine, determine this time range initial time and after the termination time, just termination time and initial time can be asked difference to obtain for the second propagation time divided by two again, i.e. T
2=(T
f-T
s)/2, wherein, T
2represented for the second propagation time, T
srepresent initial time, Tf represents the termination time, also the time corresponding according to the maximum of echo-signal in this time range can be defined as the second propagation time;
After determining for the second propagation time, then determine that the container of described water container is along height according to the second propagation time and described distance, can according to h
1=H-V T
2determine that the container of described water container is along time height, wherein, h
1represent that container is along height, H represents the height of ultrasonic sensor to dividing plate, and V represents hyperacoustic spread speed;
Step S104: the water surface elevation determining the water in described water container according to described echo-signal;
First, the 3rd propagation time that the water determined in described water container according to described echo-signal is corresponding, be ultrasonic wave and propagate into time needed for the water surface described water container from ultrasonic sensor, as shown in Fig. 2 (b), echo-signal has a lasting intensity enhancing after the second propagation time, this part is because ultrasonic wave is launched at the water surface, and ultrasonic wave is formed by more reflection on the water surface, therefore, first can determine the initial time that this part is corresponding and termination time, then also the termination time of correspondence and initial time can be asked difference to obtain for the 3rd propagation time divided by two again,
Water surface elevation is determined again according to the 3rd propagation time and described distance, can according to h
2=H-V T
3determine water surface elevation, wherein, h
2represent water surface elevation, T
3represented for the 3rd propagation time;
Step S105: the water outlet controlling described drinking water dispenser according to described container along height, described water surface elevation;
Can add water to water container when water surface elevation and container are less than preset value along ratio highly, when water surface elevation and container reach preset value along ratio highly, stopping adds water, different prompting reference values also can be set, such as 60%, 80%, 90%, when water surface elevation and container reach a certain reference value along ratio highly, prompting user, as pointed out by the flicker of LED, described water container being detected from when removing between described delivery port and shelf, stopping adds water, whether similarly from removing mode between described delivery port and shelf and having judged whether that water container is placed between described delivery port and shelf detect described water container, even there is no the Intensity Abrupt before the first propagation time, then can be judged to be whether described water container is removed between described delivery port and shelf, or when judging whether that the water container result of determination be placed between described delivery port and described shelf is no, stopping adds water, do not repeat them here.
Need to illustrate time, in the process of adding water, above-mentioned several step generally constantly repeats, and this considers, in the process of adding water, water surface elevation is constantly change, and user may can remove water container at any time.
Accordingly, according to the scheme in above-mentioned the present embodiment, it is the echo-signal obtaining ultrasonic sensor detection, wherein, described ultrasonic sensor is arranged on drinking water dispenser water outlet, based on this echo-signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judge whether that water container is placed between described delivery port and shelf, if, then determine that the container of described water container is along height according to described echo-signal and described distance, and the water surface elevation in described water container is determined according to described echo-signal and described distance, then can according to described container along height, described water surface elevation controls the water outlet of described drinking water dispenser, achieve and automatically control water outlet, start to add water when namely having water container to be placed between described delivery port and shelf, stop when water container is removed or filled it up with adding water, easy to use, the water container that various volume is indefinite can be applicable to.
Embodiment two
Owing to only needing water surface elevation and container along realization highly to the control of the water outlet of described drinking water dispenser, namely hyperacoustic spread speed is definite value, so also above-mentioned water surface elevation and container edge height can be characterized by the propagation time, accordingly, distance between the shelf of ultrasonic sensor and described drinking water dispenser is also characterized by the propagation time, and the echo-signal collected is the corresponding relation of propagation time and intensity, greatly can simplify computational process, for this reason, wherein in an embodiment, described distance can be replaced with the first propagation time that ultrasonic wave propagates into described shelf from ultrasonic sensor, container can be replaced along height by first difference in described first propagation time and the second propagation time, wherein, second propagation time was that ultrasonic wave propagates into the time on described container edge from ultrasonic sensor, container can be replaced along height by second difference in described first propagation time and the 3rd propagation time, wherein, 3rd propagation time was that ultrasonic wave propagates into the time of the water surface described water container from ultrasonic sensor, below the implementation in this embodiment is specifically set forth.
Shown in Figure 3, be the schematic flow sheet of the embodiment two of the water outlet control method of drinking water dispenser of the present invention.As shown in Figure 3, the water outlet control method of the drinking water dispenser in the present embodiment comprises the steps:
Step 201: obtain the echo-signal that ultrasonic sensor detects, wherein, described ultrasonic sensor is arranged on drinking water dispenser water outlet;
Step 202: according to described echo-signal and the first propagation time of prestoring, judge whether that water container is placed between the shelf of described delivery port and described drinking water dispenser, wherein, first propagation time referred to that ultrasonic wave propagated into the time needed for described shelf from ultrasonic sensor, if so, then step S203 is entered;
Step 203: the first difference determining the first propagation time and the second propagation time according to described echo-signal and described first propagation time, wherein, the second propagation time was that ultrasonic wave propagates into the time on described container edge from ultrasonic sensor;
In this step, first determined for the second propagation time according to described echo-signal, then deducted for the second propagation time with the first propagation time and obtain the first difference;
Step 204: the second difference determining described first propagation time and the 3rd propagation time according to described echo-signal and described first propagation time, wherein, the 3rd propagation time was that ultrasonic wave propagates into the time of the water surface described water container from ultrasonic sensor;
In this step, first determined for the 3rd propagation time according to described echo-signal, then deducted for the 3rd propagation time with the first propagation time and obtain the second difference;
Step 205: the water outlet controlling described drinking water dispenser according to described very first time difference, described second time difference.
Can when the ratio of the second time difference and very first time difference reaches preset value, stopping adds water, different prompting reference values also can be set, such as 60%, 80%, 90%, when the ratio of the second time difference and very first time difference reaches a certain reference value, prompting user, described water container being detected from when removing between described delivery port and shelf, stops adding water;
In the present embodiment, other technologies feature is same with the above-mentioned embodiment, does not repeat them here.
Embodiment three
Consider that the thickness on container edge is often smaller, ultrasonic wave is very weak along the signal of reflection at container, in order to determine the accuracy measured, can when determining the container of described water container according to described echo-signal and described distance along height, first echo-signal is amplified with larger amplification coefficient, then according to amplify after echo-signal determination water container container along height; For this reason, in this enforcement, different processing stage, echo-signal is carried out to the amplification of different multiplication factors.
Shown in Figure 4, be the schematic flow sheet of the embodiment three of the water outlet control method of drinking water dispenser of the present invention.As shown in Figure 4, the water outlet control method of the drinking water dispenser in the present embodiment comprises the steps:
Step S301: obtain the echo-signal that ultrasonic sensor detects, wherein, described ultrasonic sensor is arranged on drinking water dispenser water outlet;
Step S302: according to the first amplification coefficient, amplification is carried out to described echo-signal and obtain the first amplifying signal, according to described first amplifying signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judge whether that water container is placed between described delivery port and shelf, if so, step S303 is entered;
Step S303: determine that the container of described water container is along height according to described first amplifying signal and described distance;
Step S304: carry out amplification according to the second amplification coefficient to described echo-signal and obtain the second amplifying signal, determines the water surface elevation in described water container according to described second amplifying signal and described distance;
Step S305: the water outlet controlling described drinking water dispenser according to described container along height, described water surface elevation;
Wherein, described first amplification coefficient is greater than described second amplification coefficient.
In the present embodiment, other technologies feature is identical with above-described embodiment one, does not repeat them here.
Embodiment four
In addition, distance between above-mentioned ultrasonic sensor and shelf can need to set according to actual design, such as, if the design size of water dispenser is determined, distance then between ultrasonic sensor and shelf can directly obtain according to design size, or is obtained by measurement;
But in order to meet different product needed, the distance step detected between ultrasonic sensor and shelf can also be increased.
Shown in Figure 5, be the schematic flow sheet of the embodiment four of the water outlet control method of drinking water dispenser of the present invention.As shown in Figure 5, the water outlet control method of the drinking water dispenser in the present embodiment comprises the steps:
Step S401: detect the distance between described ultrasonic sensor and described shelf by described ultrasonic sensor, and the distance detected is stored;
Can pass through ultrasonic sensor detection of echoes signal, determine for the first propagation time according to echo-signal, the first propagation time was multiplied by the distance that hyperacoustic spread speed just can obtain between ultrasonic sensor and shelf;
Step S402: obtain the echo-signal that ultrasonic sensor detects, wherein, described ultrasonic sensor is arranged on drinking water dispenser water outlet;
Step S403: according to described echo-signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judged whether that water container is placed between described delivery port and described shelf, if so, entered step S404;
Step S404: determine that the container of described water container is along height according to described echo-signal and described distance;
Step S405: the water surface elevation determining the water in described water container according to described echo-signal;
Step S406: the water outlet controlling described drinking water dispenser according to described container along height, described water surface elevation.
In the present embodiment, other technologies feature is same with the above-mentioned embodiment, does not repeat them here.
It should be noted that, the distance in above-described embodiment three, embodiment four can replace with the first propagation time, and container is along highly also replacing by the first difference, and water surface elevation with the second difference generation, can not repeat them here yet.
According to the water outlet control method of the drinking water dispenser of the invention described above, the present invention also provides a kind of outlet controlling system of drinking water dispenser, and just the embodiment of the outlet controlling system of drinking water dispenser of the present invention is described in detail below.The structural representation of the embodiment of the outlet controlling system of drinking water dispenser of the present invention has been shown in Fig. 6.For convenience of explanation, part related to the present invention is merely illustrated in figure 6.
As shown in Figure 6, the outlet controlling system of the drinking water dispenser in the present embodiment, comprises data acquisition module 501, judge module 502, processing module 503, wherein:
Acquisition module 501, for obtaining the echo-signal that ultrasonic sensor detects, wherein, described ultrasonic sensor is arranged on drinking water dispenser water outlet;
Judge module 502, for according to described echo-signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, has judged whether that water container is placed between described delivery port and described shelf;
Processing module 503, for when the result of determination of described judge module is for being, determine that the container of described water container is along height according to described echo-signal and described distance, determine the water surface elevation in described water container according to described echo-signal and described distance, control the water outlet of described drinking water dispenser according to described container along height, described water surface elevation.
Wherein in an embodiment, described distance can be replaced with the first propagation time that ultrasonic wave propagates into described shelf from ultrasonic sensor, container can be replaced along height by first difference in described first propagation time and the second propagation time, wherein, second propagation time was that ultrasonic wave propagates into the time on described container edge from ultrasonic sensor, container can be replaced along height by second difference in described first propagation time and the 3rd propagation time, wherein, 3rd propagation time was that ultrasonic wave propagates into the time of the water surface described water container from ultrasonic sensor.
Wherein in an embodiment, judge module 502 can carry out amplification according to the first amplification coefficient to described echo-signal and obtain the first amplifying signal, according to described first amplifying signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judge whether that water container is placed between described delivery port and shelf;
According to described first amplifying signal and described distance, processing module 503 can determine that the container of described water container is along height, and according to the second amplification coefficient, amplification is carried out to described echo-signal and obtain the second amplifying signal, the water surface elevation in described water container is determined according to described second amplifying signal and described distance;
Wherein, described first amplification coefficient is greater than described second amplification coefficient.
Wherein in an embodiment, as shown in Figure 7, the outlet controlling system of drinking water dispenser of the present invention, can also comprise:
Detection module 500, for being detected the distance between described ultrasonic sensor and described shelf by described ultrasonic sensor, and is stored the distance detected.
Wherein in an embodiment, the number of described ultrasonic sensor at least comprises two, and wherein, a ultrasonic sensor is for launching ultrasonic wave, and at least one ultrasonic sensor is for receiving ultrasonic wave.
The outlet controlling system of drinking water dispenser of the present invention and the water outlet control method one_to_one corresponding of drinking water dispenser of the present invention, the technical characteristic of setting forth in the embodiment of the water outlet control method of above-mentioned drinking water dispenser and beneficial effect thereof are all applicable to, in the embodiment of the outlet controlling system of drinking water dispenser, hereby state.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a water outlet control method for drinking water dispenser, is characterized in that, comprises the steps:
Obtain the echo-signal that ultrasonic sensor detects, wherein, described ultrasonic sensor is arranged on drinking water dispenser water outlet;
According to described echo-signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judge whether that water container is placed between described delivery port and described shelf;
If so, then determine that the container of described water container is along height according to described echo-signal and described distance;
The water surface elevation in described water container is determined according to described echo-signal and described distance;
Control the water outlet of described drinking water dispenser along height, described water surface elevation according to described container.
2. the water outlet control method of drinking water dispenser according to claim 1, is characterized in that:
Described distance is replaced with the first propagation time that ultrasonic wave propagates into described shelf from ultrasonic sensor;
Replace container along height by first difference in described first propagation time and the second propagation time, wherein, the second propagation time was that ultrasonic wave propagates into the time on described container edge from ultrasonic sensor;
Replace water surface elevation by second difference in described first propagation time and the 3rd propagation time, wherein, the 3rd propagation time was that ultrasonic wave propagates into the time of the water surface described water container from ultrasonic sensor.
3. the water outlet control method of drinking water dispenser according to claim 1, is characterized in that:
According to described echo-signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judge whether that water container is placed between described delivery port and described shelf and comprised step: according to the first amplification coefficient, amplification has been carried out to described echo-signal and obtain the first amplifying signal, according to described first amplifying signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judge whether that water container is placed between described delivery port and shelf;
The described container determining described water container according to described echo-signal and described distance is along highly comprising step: determine that the container of described water container is along height according to described first amplifying signal and described distance;
Describedly determine that the water surface elevation in described water container comprises step according to described echo-signal and described distance: according to the second amplification coefficient, amplification is carried out to described echo-signal and obtain the second amplifying signal, determine the water surface elevation in described water container according to described second amplifying signal and described distance;
Wherein, described first amplification coefficient is greater than described second amplification coefficient.
4. the water outlet control method of drinking water dispenser according to claim 1, it is characterized in that, also comprise step: detect the distance between described ultrasonic sensor and described shelf by described ultrasonic sensor, and the distance detected is stored.
5. the water outlet control method of drinking water dispenser according to claim 1, it is characterized in that, the number of described ultrasonic sensor at least comprises two, wherein, a ultrasonic sensor is for launching ultrasonic wave, and at least one ultrasonic sensor is for receiving ultrasonic wave.
6. an outlet controlling system for drinking water dispenser, is characterized in that, comprising:
Acquisition module, for obtaining the echo-signal that ultrasonic sensor detects, wherein, described ultrasonic sensor is arranged on drinking water dispenser water outlet;
Judge module, for according to described echo-signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, has judged whether that water container is placed between described delivery port and described shelf;
Processing module, for when the result of determination of described judge module is for being, determine that the container of described water container is along height according to described echo-signal and described distance, determine the water surface elevation in described water container according to described echo-signal and described distance, control the water outlet of described drinking water dispenser according to described container along height, described water surface elevation.
7. the outlet controlling system of drinking water dispenser according to claim 6, is characterized in that:
Described distance is represented with the first propagation time that ultrasonic wave propagates into described shelf from ultrasonic sensor;
Represent that container is along height by first difference in described first propagation time and the second propagation time, wherein, the second propagation time was that ultrasonic wave propagates into the time on described container edge from ultrasonic sensor;
Represent water surface elevation by second difference in described first propagation time and the 3rd propagation time, wherein, the 3rd propagation time was that ultrasonic wave propagates into the time of the water surface described water container from ultrasonic sensor.
8. the outlet controlling system of drinking water dispenser according to claim 6, is characterized in that:
Described judge module carries out amplification according to the first amplification coefficient to described echo-signal and obtains the first amplifying signal, according to described first amplifying signal and the distance between the described ultrasonic sensor prestored and the shelf of described drinking water dispenser, judge whether that water container is placed between described delivery port and shelf;
According to described first amplifying signal and described distance, described processing module determines that the container of described water container is along height, and according to the second amplification coefficient, amplification is carried out to described echo-signal and obtain the second amplifying signal, the water surface elevation in described water container is determined according to described second amplifying signal and described distance;
Wherein, described first amplification coefficient is greater than described second amplification coefficient.
9. the outlet controlling system of drinking water dispenser according to claim 6, is characterized in that, also comprises:
Detection module, for being detected the distance between described ultrasonic sensor and described shelf by described ultrasonic sensor, and is stored the distance detected.
10. the outlet controlling system of drinking water dispenser according to claim 6, it is characterized in that, the number of described ultrasonic sensor at least comprises two, wherein, a ultrasonic sensor is for launching ultrasonic wave, and at least one ultrasonic sensor is for receiving ultrasonic wave.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419353.5A CN104257270A (en) | 2014-08-22 | 2014-08-22 | Water outlet control method and system of drinking water supply device |
| PCT/CN2014/090315 WO2016026216A1 (en) | 2014-08-22 | 2014-11-05 | Water outlet control method and system for drinking water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419353.5A CN104257270A (en) | 2014-08-22 | 2014-08-22 | Water outlet control method and system of drinking water supply device |
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| CN104257270A true CN104257270A (en) | 2015-01-07 |
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| WO (1) | WO2016026216A1 (en) |
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| CN104840098A (en) * | 2015-05-27 | 2015-08-19 | 贵州大学 | Automatic water dispenser and design method thereof |
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