CN101245965A - Automatic liquid dispenser with liquid level detector - Google Patents

Automatic liquid dispenser with liquid level detector Download PDF

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Publication number
CN101245965A
CN101245965A CNA2007101869940A CN200710186994A CN101245965A CN 101245965 A CN101245965 A CN 101245965A CN A2007101869940 A CNA2007101869940 A CN A2007101869940A CN 200710186994 A CN200710186994 A CN 200710186994A CN 101245965 A CN101245965 A CN 101245965A
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CN
China
Prior art keywords
liquid
container
liquid level
level detector
automatic
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Pending
Application number
CNA2007101869940A
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Chinese (zh)
Inventor
李永贤
尹周焕
柳东柱
金钟焕
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LG Electronics Inc
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LG Electronics Inc
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Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of CN101245965A publication Critical patent/CN101245965A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00Charging, supporting, and discharging the articles to be cooled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/08Details
    • B67D1/12Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D1/1247Means for detecting the presence or absence of liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/12Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F25D23/126Water cooler
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating 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
    • G01F23/28Indicating 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
    • G01F23/296Acoustic waves
    • G01F23/2962Measuring transit time of reflected waves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/08Details
    • B67D1/12Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D2001/1259Fluid level control devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S250/00Radiant energy
    • Y10S250/90Optical liquid level sensors

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

An automatic liquid dispenser is disclosed wherein a liquid adjustor is disposed to prevent liquid from splashing outside of a receptacle, thereby saving the automatic liquid dispenser from being polluted with splashed liquid.

Description

Automatic liquid dispenser with liquid level detector
Technical field
The technology that the present invention announced relates to automatic liquid dispenser with liquid level detector (automatic liquiddispenser).In general, fluid Supplying apparatus is installed on refrigerator and the water purifier, makes the user be easy to obtain the liquid that is stored in wherein.Especially, be installed in the door that fluid Supplying apparatus on the refrigerator is designed such that the user needn't open refrigerator and just can obtain liquid from the outside by this fluid Supplying apparatus.
Background technology
Fig. 1 is an illustration wherein according to the stereogram of the situation on the refrigerator that fluid Supplying apparatus is installed in of prior art.The front of the door 110 of refrigerator 100 is equipped with fluid Supplying apparatus 120.
Fluid Supplying apparatus 120 is provided with container container (receptacle accommodator) 130, and the hydrojet key (not shown) that is used for the described liquid of streamer is installed in described fluid Supplying apparatus 120.In the user inserts container 140 the container container 130 of the fluid Supplying apparatus 120 on door 110 fronts that are installed in refrigerator 100 and when pushing described hydrojet key, liquid is only understood streamer in container 140 in the time that described hydrojet key is pressed.
If fluid Supplying apparatus is installed on the refrigerator, then needn't open door of refrigerator, make that the cold air in the refrigerator can not leak into the outside, reduce the power consumption of refrigerator thus, and also prolong or kept the freshness of the food of storage in the refrigerator.
In recent years, main angle from facilitating for the user attempts automatic liquid dispenser with liquid level detector is developed.
Summary of the invention
First purpose of the present invention provides a kind of automatic liquid dispenser with liquid level detector, and this automatic liquid dispenser with liquid level detector is provided with liquid regulator and splashes the outside to prevent liquid, thereby prevents that the liquid that spills from making described automatic liquid dispenser with liquid level detector dirty.
Second purpose of the present invention provides a kind of automatic liquid dispenser with liquid level detector, this automatic liquid dispenser with liquid level detector can also receive to the upper surface emission ultrasonic wave of container from the described ultrasonic wave of the upper surface reflection of described container, to detect container height, thus no matter shape, material and the surface state of described container how, can freely detect described container height.
The 3rd purpose of the present invention provides a kind of automatic liquid dispenser with liquid level detector, and described automatic liquid dispenser with liquid level detector can utilize ultrasonic wave, has reduced its manufacturing cost thereby compare with the device that utilizes light.
The 4th purpose of the present invention provides a kind of automatic liquid dispenser with liquid level detector, this automatic liquid dispenser with liquid level detector is suitable for installing container placing machine (receptacle arranger), described container placing machine makes it possible to container accurately is placed under the nozzle on the container container, the liquid that flows out from described nozzle can only be flowed in the described container that is placed on the described container container, prevent that thus liquid from spilling.
A general aspect, automatic liquid dispenser with liquid level detector comprises: the container height measuring appliance, its be generated to container upper surface ultrasonic wave and receive described ultrasonic wave from the upper surface reflection of described container with the measuring vessel height; The liquid dispensing unit, its with the liquid streamer in described container; Liquid level detector, it measures the liquid level of the liquid in the described container; And liquid regulator, it regulates the liquid that flows out from described liquid dispensing unit.
In another general aspect, automatic liquid dispenser with liquid level detector comprises: the container container of storage container; Fluid supplier, it is arranged on the upper surface of described container container, and is provided with at least one or more a plurality of nozzle and links to each other with the fluid box (liquid tank) of filled with fluid by fluid passage (liquid path); The liquid regulon, it regulates or regulates together liquid velocity and fluid flow to one of the liquid velocity that provides to described fluid supplier from described fluid box or fluid flow; Container and liquid level detector, it is to described container emission ultrasonic wave and detect the described ultrasonic wave that reflects from described container, to generate signal; And controller, it receives the described signal from described container and liquid level detector, to control described liquid regulon.
Description of drawings
Fig. 1 is an illustration according to the stereogram of the situation that fluid Supplying apparatus is set in refrigerator of prior art.
Fig. 2 is an illustration according to the schematic block diagram of the automatic liquid dispenser with liquid level detector of first illustrative embodiments.
How Fig. 3 prevents the schematic diagram of the notion that liquid spills if being an illustration.
Fig. 4 is an illustration according to the schematic diagram of the liquid regulon of first illustrative embodiments.
Fig. 5 A to 5D schematic illustration by the situation of fluid flow control valve (shutter) blocking-up liquid dispensing unit conduit.
Fig. 6 is an illustration according to the schematic diagram of the liquid regulon of second illustrative embodiments.
Fig. 7 is an illustration according to the schematic diagram of the liquid regulon of the 3rd illustrative embodiments.
Fig. 8 is an illustration according to the schematic diagram of the liquid regulon of the 4th illustrative embodiments.
Fig. 9 is an illustration according to the schematic block diagram of the automatic liquid dispenser with liquid level detector of second illustrative embodiments.
Figure 10 is the performance plot of explanation by the notion of ultrasonic transducer measuring vessel height.
Figure 11 is an illustration according to the schematic block diagram of the automatic liquid dispenser with liquid level detector of the 3rd illustrative embodiments.
Figure 12 is the stereogram of the major part among Figure 11.
Figure 13 is explanation detects processing according to the container height by container and liquid level detector execution of described the 3rd illustrative embodiments a concept map.
To be explanation detect the concept map of handling according to the liquid level of the liquid in container of being carried out by container and liquid level detector of described the 3rd illustrative embodiments to Figure 14.
The schematic sectional view of the situation of the container placing machine that is provided with in Figure 15 has been the illustration automatic liquid dispenser with liquid level detector.
Figure 16 is an illustration according to the schematic diagram of the container placing machine of an illustrative embodiments.
The specific embodiment
Feature of this specification and essence become apparent from the detailed description of carrying out below in conjunction with accompanying drawing.
Fig. 2 is an illustration according to the schematic block diagram of the automatic liquid dispenser with liquid level detector of first illustrative embodiments, wherein said automatic liquid dispenser with liquid level detector comprises: container height measuring appliance 200, it is generated to the ultrasonic wave on the upper surface of container and receives from the ultrasonic wave of the upper surface reflection of described container, with the measuring vessel height; Liquid dispensing unit 220, it arrives the liquid streamer in the described container; Liquid level detector 230, it measures the liquid level of described liquid in container; Liquid regulator 240, it is to regulating from the liquid of described liquid dispensing unit 220 streamers; Controller 210, it controls described container height measuring appliance 200, liquid dispensing unit 220, liquid level detector 230 and liquid regulator 240.
When the user put into the described automatic liquid dispenser with liquid level detector of structure like this with container, container height measuring appliance 200 was to the upper surface of described container emission ultrasonic wave, and received ultrasonic wave from described container upper surface reflection to generate signal.
Described controller receives the signal that is generated by described container height measuring appliance 200, and to liquid dispensing unit 220 and liquid level detector 230 output control signals.
When slave controller 210 receives described signal, the described liquid of liquid dispensing unit 220 streamers, simultaneously, liquid level detector 230 detects the liquid level of the liquid of streamers in the described container in real time.If when reaching the liquid level that is higher than predetermined fluid level (with respect to described container height) by liquid level detector 230 detected liquid levels, then controller 210 is exported control signals, preferably to stop the liquid streamer from liquid dispensing unit 220.
With reference to figure 3, if the liquid 340 from liquid dispensing unit 220 streamers to container 310 reaches predetermined altitude (H), then liquid 340 splashes the outside of container 310 because of the speed from the liquid 340 of liquid dispensing unit 220 streamers.As a result, the liquid that the spills described automatic liquid dispenser with liquid level detector of to make dirty.
In order to solve described problem, described automatic liquid dispenser with liquid level detector is provided with the liquid regulator 240 that can prevent that liquid from spilling, and prevents the liquid that the spills described automatic liquid dispenser with liquid level detector of making dirty thus.
Therefore, the invention has the advantages that, to the upper surface of container emission ultrasonic wave and receive ultrasonic wave from the upper surface reflection of described container to detect container height, regardless of shape, material, surface state and the container position of described container, can both freely detect described container height thus.
Another advantage is, compares with utilizing light, and automatic liquid dispenser with liquid level detector utilizes ultrasonic wave can reduce manufacturing cost.
Another is advantage, is provided with liquid regulator and spatters outward to prevent liquid, prevents the liquid that the spills described automatic liquid dispenser with liquid level detector of making dirty thus.
Simultaneously, described liquid regulator can be designed to streamer predetermined amount of liquid under scheduled time slot and predetermined pressure.
Liquid regulator is preferably regulated the speed of streamer to the liquid of described container of wanting.At this moment, the liquid streamer speed that described liquid regulator is regulated is preferably slow more on the high more point of liquid level, and fast more on the low more point of liquid level.Preferably, progressively gradual change reduction of described speed.
Fig. 4 is an illustration according to the schematic diagram of the liquid regulon of first illustrative embodiments, wherein said liquid dispensing unit is equipped with and is used for the conduit 221 of liquid streamer to described container, and described liquid regulator is mounted in the cross section that is used for occluding catheter 221 on the conduit 221 and regulate the fluid flow control valve 241 of the fluid flow flow through.
At this moment, the part or all of cross section of the conduit 221 that fluid flow control valve 241 blocking-up liquid therefrom flow through is to regulate the fluid flow of conduit 221.
Preferably, 220 streamer liquid begin to finish to described liquid streamer from the liquid dispensing unit, and fluid flow control valve 241 reduces the fluid flow of institute's streamer gradually in response to the liquid level in the described container.When reducing the fluid flow of institute's streamer gradually in response to the liquid level in the described container, can prevent that liquid from spilling the outside of described container by fluid flow control valve 241.
Simultaneously, fluid flow control valve 241 can be blocked the part or the entire cross section of the described conduit that liquid therefrom flows through according to the mode identical with camera shutter, and wherein blocking method can arbitrarily design.
Fig. 5 A to 5D schematically shows the situation by the conduit of fluid flow control valve blocking-up liquid dispensing unit.
With reference to figure 5A, when liquid begins streamer, not locking of fluid flow control valve conduit 221.But when liquid reaches first height, as shown in Fig. 5 B, the part " A " of the cross section of occluding catheter 221 " A ".Subsequently, when liquid is filled into second height (be higher than described first height) of described container, as shown in Fig. 5 C, another part of the cross section of occluding catheter 221 " B ".For example, Fig. 5 B shows 50% being blocked of cross section of conduit 221, and Fig. 5 C shows 90% being blocked of cross section of conduit 221.In other words, the fluid flow control valve is blocked the cross section of described conduit to regulate fluid flow.At this moment, the entire cross section of occluding catheter 221 " C " is with the streamer of stop liquid.
Fig. 6 shows the schematic diagram according to the liquid regulon of second illustrative embodiments, wherein is arranged on the MFC (mass flow (Mass Flow) controller 242) of pressure that is used to regulate the liquid of streamer in the described container at conduit 221 places of described liquid dispensing unit according to the described liquid regulon of described second illustrative embodiments.
That is to say that preferably, MFC242 is in response to the liquid level of the liquid of streamer in the described container, reduce the pressure of the liquid of streamer in the described container gradually, prevent that thus liquid from splashing the outside of described container.
Fig. 7 is an illustration according to the schematic diagram of the liquid regulon of the 3rd illustrative embodiments.
With reference to figure 7, described liquid dispensing unit is equipped with and is used for the conduit of liquid streamer in the described container, and wherein conduit 221 must branch into the first conduit 221a and the second conduit 221b.
The first conduit 221a is provided with the first magnetic valve 243a, and the second conduit 221b is provided with the second magnetic valve 243b, the wherein said first magnetic valve 243a and the second magnetic valve 243b liquid regulon that acts on described the 3rd illustrative embodiments.
When from described liquid dispensing unit stream fluid injection body, the described first magnetic valve 243a and the second magnetic valve 243b open so that liquid can pass through their streamers, and when liquid level reach described container height 50% or more for a long time, a closed electromagnetic valve and another magnetic valve stays open spills to prevent liquid.
Simultaneously, described liquid dispensing unit can be provided with a plurality of conduits that are used for the described liquid of streamer, and each conduit can be equipped with magnetic valve to realize described the 3rd illustrative embodiments.
Fig. 8 is an illustration according to the schematic diagram of the liquid regulon of the 4th illustrative embodiments.
With reference to figure 8, the liquid dispensing unit disposes and is used for the conduit 221 of liquid streamer in the container, and the liquid regulon is equipped with an import and a plurality of outlet 245a, 245b, 245c.Conduit 221 links to each other with n three-way electromagnetic valve 245 with an import at its end, and n three-way electromagnetic valve 245 is blocked described a plurality of outlet 245a, 245b, 245c gradually to tackle the liquid level of the liquid in the described container.
When streamer liquid, open all a plurality of outlet 245a, 245b, the 245c of described n three-way electromagnetic valve 245, but when liquid level rises higher and higher, block described a plurality of outlet gradually and splash the outside of described container to prevent liquid.The n three-way electromagnetic valve that an import and two outlets are installed is called two-way electromagnetic valve, and it is a known technology, its detailed structure is not specifically addressed at this.
Fig. 9 is an illustration according to the schematic block diagram of the automatic liquid dispenser with liquid level detector of second illustrative embodiments.
With reference to figure 9, described automatic liquid dispenser with liquid level detector comprises: container height measuring appliance 200, its be generated to container upper surface ultrasonic wave and receive from the ultrasonic wave of the upper surface reflection of described container, with measuring vessel height repeatedly; Container height determiner 250, it calculates the mean value of the container height of being measured for more than 200 time by the container height measuring appliance, to determine described container height; Liquid dispensing unit 220, it arrives the liquid streamer in the described container; Memory 260 wherein stores liquid level with respect to described container height as tentation data; Liquid level detector 230, it detects the liquid level of the liquid in the described container; Comparator 270, it receives the described container height determined by container height determiner 250 and by liquid level detector 230 detected described liquid levels, so that the described predetermined container height of storing in described liquid level and the memory 260 are compared; And liquid regulon 240, it regulates the liquid from liquid dispensing unit 220 streamers.
At this moment, container height measuring appliance 200, container height determiner 250, liquid dispensing unit 220, memory 260, liquid level detector 230, comparator 270 and 240 controlled device 210 controls of liquid regulon.
Preferably, container height measuring appliance 200 is provided with at least one or a plurality of ultrasonic wave selector and a plurality of ultrasonic wave receiving converter.Preferably, container height measuring appliance 200 is operated as follows: described ultrasonic wave selector is launched ultrasonic wave to the upper surface of described container, and by at first receiving the described hyperacoustic ultrasonic wave receiving converter that reflects from the upper surface of described container in described a plurality of ultrasonic wave receiving converters described container height is taken multiple measurements.
Preferably, liquid level detector 230 is ultrasonic wave receiving converters of the most close liquid dispensing unit 220 and ultrasonic wave selector in described a plurality of ultrasonic wave receiving converters at described container height measuring appliance 200 places.
When the user put into container according to open described automatic liquid dispenser with liquid level detector of being constructed of the present invention, controller 210 was to container height measuring appliance 200 output control signals, and indication will be to the upper surface emission ultrasonic wave of described container.
At this moment, described automatic liquid dispenser with liquid level detector can be designed to place described container and executable operations during by operated key as the user.
So the ultrasonic wave selector of container height measuring appliance 200 is launched ultrasonic wave to the upper surface of described container, and receive the ultrasonic wave that reflects from the upper surface of described container by described a plurality of ultrasonic wave receiving converters.
Then, repeatedly measure described container height by at first receiving the described hyperacoustic ultrasonic wave receiving converter that is reflected in described a plurality of ultrasonic wave receiving converters.Repeatedly the meaning of Ce Lianging be meant with the corresponding scheduled time slot of the frequency of ultrasonic sensor in described container height is carried out as pre-determined number (that is, 5 times or 10 times) measurement so repeatedly.The repeatedly measurement of described container height the user during by action button, and was finished before the liquid streamer, and till the repeatedly measurement of liquid level begun when the streamer liquid and last till that the liquid streamer finishes.
After this, the mean value of the container height measured by container height measuring appliance more than 200 time is calculated, to determine described container height.
When having determined described container height by container height determiner 250, controller 210 is to liquid dispensing unit 220 output control signals, and described liquid dispensing unit 220 begins streamer liquid in described container subsequently.
After this, when liquid dispensing unit 220 beginning in described container during streamer liquid, liquid level detector 230 detects the liquid level of the liquid in the described container.
Simultaneously, store tentation data in the memory 260 with respect to the desirable liquid level of user of described container height.For example, 80% of described container height is set at described liquid level, and the data that will set thus are stored in the described memory.
Controller 210 to regulate the liquid streamer from liquid dispensing unit 220, prevents that liquid from splashing the outside of described container to liquid regulator 240 output control signals thus.
When the predetermined set liquid level that reached by liquid level detector 230 detected liquid levels with respect to described container height, controller 210 preferred output control signals are to stop the liquid streamer from liquid dispensing unit 220.At this moment, comparator 270 receives described container height and the described liquid level of being determined by container height determiner 250, to compare with the liquid level with respect to described predetermined set container height of storage in the memory 260, if and the liquid level in the described container is equal to or greater than liquid level with respect to described predetermined container height, then controller 210 to liquid dispensing unit 220 output control signals to stop the streamer of described liquid.
Figure 10 is that explanation comes the characteristic pattern of the notion of measuring vessel height by ultrasonic transducer.
With reference to Figure 10, when ultrasonic wave selector periodic transmission ultrasonic signal 501,502,503, first receiving converter receives from the periodic signal 511,512,513 of the upper surface reflection of described container, and second receiving converter also receives periodic signal 521,522,523.
Current invention disclosed technology is designed to come the measuring vessel height by the receiving converter that receives ultrasonic signal, so the signal 511,512,513 that receives by described first receiving converter in Figure 10 is measured described container height.
At this moment, because distance equals ultrasonic velocity * time/2 (distance is proportional with the time), so the container height in the characteristic pattern of described first converter is respectively D1, D2, D3.Therefore, the mean value of basis D1, D2, D3 acquisition is to determine described container height.
Figure 11 is an illustration according to the schematic block diagram of the automatic liquid dispenser with liquid level detector of the 3rd illustrative embodiments, and Figure 12 is the stereogram of major part among Figure 11.
With reference to Figure 11 and 12, described automatic liquid dispenser with liquid level detector comprises fluid supplier 610, container and liquid level detector 700, liquid regulator 640 and controller 670.
The container container 611 that is used for storage container (V) is in one side front openings, and is formed with the horizontal flat space of preliminary dimension, container (V) can be contained in the described automatic liquid dispenser with liquid level detector thus.
The interior upper surface of container container 611 is provided with fluid supplier 610.Fluid supplier 610 is connected to the fluid box of contain fluid by fluid passage 619, and disposes the one or more nozzles 613 (leakage fluid dram) that are installed in container container 611 tops.
In other words, liquid is provided for fluid supplier 610 from described fluid box by fluid passage 619, and goes out by nozzle 613 streamers from fluid supplier 610.
Therefore, automatic liquid dispenser with liquid level detector according to described the 3rd illustrative embodiments is provided with liquid regulator 640, liquid regulator 640 can be regulated the speed, flow and the speed that offer the liquid of fluid supplier 610 from described fluid box or the flow, and liquid regulator 640 is connected to the fluid passage 621 that is inserted between described fluid box and the fluid supplier 610.
Liquid regulator 640 is preferably by a kind of realization the in aforesaid liquid flow control valve, MFC (mass flow controller), magnetic valve and the n three-way electromagnetic valve.In other words, the liquid regulator 640 that is installed on the described fluid passage can be realized with the fluid flow control valve of regulating described fluid flow by the cross section that is used to block described fluid passage.
Liquid regulator 640 can be by being used to regulate the liquid that provides by described fluid supplier the described MFC of pressure realize.The quantity that is inserted in the fluid passage 621 between described fluid box and the described fluid supplier can be for a plurality of, and the magnetic valve that is respectively formed on described a plurality of fluid passage can be realized liquid regulator 640.
In addition, liquid regulator 640 also can be realized by the n three-way electromagnetic valve, in described n three-way electromagnetic valve, be provided with an import and a plurality of outlet, leakage fluid dram is connected with described fluid passage, and a plurality of outlets are set at fluid supplier 610 places, thereby optionally described a plurality of outlets are blocked.
The described container emission ultrasonic wave that container and liquid level detector 700 hold in container container 611, and detect ultrasonic wave from the upper surface reflection of the upper surface of described container or liquid in container to generate signal.
Can be used for measuring described container height from the described ultrasonic wave of the upper surface of described container reflection, and the ultrasonic wave of the upper surface reflection of the described liquid in the described container can be used for measuring described liquid level.
Controller 670 from described container and liquid level detector receive in real time with described container in the relevant signal of liquid level, to control liquid regulator 610, can control thus from the speed and the flow of the liquid of described nozzle streamer.
Be equal to or greater than user's setting value if determine level value in response to the liquid in the described container that obtains from the signal of container and liquid level detector 700 inputs, then controller 670 control liquid regulators 640 are with blocking-up fluid passage 621, if and the user removes the container that finishes its feed flow, then can stop supply and handle.
Figure 13 illustrates the concept map of handling according to the container height detection by container and liquid level detector execution of described the 3rd illustrative embodiments, and Figure 14 is the concept map by the container of container and liquid level detector execution in liquid level detection processing of explanation according to described the 3rd illustrative embodiments.
At first, described container and liquid level detector comprise a ultrasonic wave selector 710 and one or more ultrasonic wave receiving converter 721,723,725.Nozzle 713 is arranged between the ultrasonic wave receiving converter of ultrasonic wave selector 710 and the most close ultrasonic wave selector 710.
At this moment, in conjunction with Figure 13, the container height measuring method that adopts described container and liquid level detector is described.
When container (V) was placed on the below of described ultrasonic wave selector and near the nozzle 713 that is provided with of described a plurality of ultrasonic wave receiving converter, ultrasonic wave selector 710 was to the upper surface emission ultrasonic wave of described container (V).
Then, take multiple measurements by at first receiving the 721 pairs of described container heights of described hyperacoustic ultrasonic wave receiving converter that reflect from the upper surface of described container (V) in described a plurality of ultrasonic wave receiving converters 721,722,723, and the described resulting mean value of repeatedly measuring of container height of basis, to determine described container height.
At first receiving the described hyperacoustic ultrasonic wave receiving converter that reflects from the upper surface of described container (V) may change according to position, width and the height of described container (V).
Now, in conjunction with Figure 14 the liquid Level Measurement Method of the liquid in container that adopts described container and liquid level detector is described.
At first, after determining the height of described container (V), from nozzle 700 in described container (V) streamer liquid to the predetermined set liquid level.At this moment, measure described liquid level by the ultrasonic wave receiving converter of the most close nozzle 700, and if liquid reach described predetermined set liquid level, then nozzle 700 stops streamer liquid.Detect the liquid level of the liquid in the described container (V) in real time by described container and liquid level detector.
The schematic sectional view of the situation of the container placing machine that is provided with in Figure 15 has been the illustration automatic liquid dispenser with liquid level detector preferably, is installed container placing machine 630, steadily to lay described container (V) on container container 611.At this moment, as shown in Figure 15, container placing machine 630 is formed on the baseplane of container container 611.
In other words, if container placing machine 630 is installed on the container container 611 of automatic liquid dispenser with liquid level detector, then the user can be placed into described container in the container container 611, container accurately can be placed on nozzle 613 belows thus, and can flow in the described container that is placed on the container container 611 from the liquid that nozzle 613 streamers go out, thereby can prevent that liquid from splashing the outside of described automatic liquid dispenser with liquid level detector.
The schematic diagram of the container placing machine that is provided with in Figure 16 has been the illustration automatic liquid dispenser with liquid level detector, and preferably described container placing machine comprises identity marking 631.In other words, identity marking 631 is designed to make the user to be easy to container (V) is placed on the exact position by naked eyes.
Preferably, identity marking 631 is made by the adhesive tape (tape) with colored surface or holographic surface, perhaps by making with the coloured material that the basal surface of container container 611 is distinguished mutually.Especially preferred is that identity marking 631 has good albedo at the ultrasonic wave emission from container and liquid level detector 650.
Form the round-shaped identity marking 631 of placing container (V) on it and preferably made with easy removal liquid by waterproof material, this is because described identity marking 631 is set at container container 611 inside of the fluid supplier 610 of possibility leakage body.
Preferably, container placing machine 630 also is provided with at least one or a plurality of light source 633 that is used for described identity marking, makes that the user can be easy to container (V) is put in the container container 611.In other words, light source 633 can open or close in response to the control signal of coming self-controller, so that the user accurately is placed in described container placing machine 630 places with described container.
Light source 633 is preferably LED (light emitting diode) lamp.Yet should be appreciated that, also can adopt other various light sources, as long as the user can discern easily, and the installation site of described light source also chooses wantonly, and is unrestricted fully.
Should be appreciated that above-mentioned embodiment is not subjected to the restriction of above any explanation details.Therefore, other embodiments are also within the claims scope, and therefore claims are intended to comprise and fall in its boundary and the scope or fall into all changes in the equivalent of described boundary and scope.
Be expressly understood that by above-mentioned the advantage that above-mentioned disclosed technology has is, is provided with liquid The body adjuster splashes the outside of described container to prevent liquid, has prevented that thus the liquid that spills will Described automatic liquid dispenser with liquid level detector is made dirty.
Another advantage is, to the upper surface emission ultrasonic wave of container, and receives from described container The ultrasonic wave of upper surface reflection with the inspection instrument height, thus no matter shape, the material of described container How are material and surface state and position, all can freely detect described container height.
Another is advantage, compares with utilizing light, utilizes ultrasonic wave to reduce automatic liquid dispenser with liquid level The manufacturing cost of device.
Another advantage is that employing can accurately be placed in container the spray in the container container The container placing machine of mouth below is placed on so that the liquid that outpours from described nozzle flow can only flow into In the described container on the described container container, prevent that thus liquid from spilling.
The application based on and require to enjoy the priority of Korean application 10-2007-0021471 number of Korean application 10-2007-0015508 number submitted on February 14th, 2007 and submission on March 5th, 2007, the whole disclosures with above-mentioned application are herein incorporated by reference.

Claims (24)

1, a kind of automatic liquid dispenser with liquid level detector, described automatic liquid dispenser with liquid level detector comprises:
The container height measuring appliance, it is generated to the ultrasonic wave on the upper surface of container, and receives from the described ultrasonic wave of the upper surface reflection of described container, with the measuring vessel height;
The liquid dispensing unit, it arrives the liquid streamer in the described container;
Liquid level detector, it measures the liquid level of the liquid in the described container; And
Liquid regulator, it aligns from the liquid of described liquid dispensing unit streamer and regulates.
2, automatic liquid dispenser with liquid level detector according to claim 1, wherein, described liquid regulator in scheduled time slot according to the described liquid of predetermined pressure streamer.
3, automatic liquid dispenser with liquid level detector according to claim 1, wherein, described liquid regulator is regulated the streamer speed of wanting the liquid of streamer in the described container.
4, automatic liquid dispenser with liquid level detector according to claim 3, wherein, slow when lower when the liquid level of the liquid of streamer speed in described container of the liquid at described liquid regulator place is higher than the liquid level of the liquid in described container.
5, automatic liquid dispenser with liquid level detector according to claim 3, wherein, described streamer speed little by little or step by step descends.
6, automatic liquid dispenser with liquid level detector according to claim 1, wherein, described liquid dispensing unit is provided with and is used for the conduit of liquid streamer in the described container, and described liquid regulator is to be arranged on described supravasal being used for just to regulate fluid flow control valve at the amount of liquid of streamer by the cross section of the described conduit of selective exclusion.
7, automatic liquid dispenser with liquid level detector according to claim 6, wherein, described fluid flow control valve is the amount of liquid that just is used for regulating gradually at streamer, just makes the valve that amount of liquid at streamer reduces gradually in response to the liquid level of the liquid in the described container.
8, automatic liquid dispenser with liquid level detector according to claim 6, wherein, described liquid dispensing unit is provided with and is used for the conduit of liquid streamer in the described container, and described liquid regulator is to be used to regulate want the mass flow controller of streamer to the pressure of the interior liquid of described container.
9, automatic liquid dispenser with liquid level detector according to claim 6, wherein, described liquid dispensing unit be provided with can streamer liquid a plurality of conduits, and described liquid regulator comprises and is installed in described a plurality of supravasal magnetic valve respectively.
10, automatic liquid dispenser with liquid level detector according to claim 6, wherein, described liquid dispensing unit be provided with can streamer liquid a plurality of conduits, and described liquid regulator is the n three-way electromagnetic valve, in described n three-way electromagnetic valve, be provided with an import and a plurality of outlet, described import is connected to the end of described conduit, and described a plurality of outlet is blocked gradually to tackle the liquid level of the liquid in the described container.
11, automatic liquid dispenser with liquid level detector according to claim 1, wherein, at least one in described container height measuring appliance and the described liquid level detector comprises optical sensor or ultrasonic sensor.
12, automatic liquid dispenser with liquid level detector according to claim 1, wherein, described container height measuring appliance is provided with a ultrasonic wave selector and a plurality of ultrasonic wave receiving converter, to the upper surface of described container emission ultrasonic wave, and measure described container height from described ultrasonic wave selector by the described hyperacoustic ultrasonic wave receiving converter that at first receives in described a plurality of ultrasonic wave receiving converters from the upper surface reflection of described container.
13, automatic liquid dispenser with liquid level detector according to claim 1, wherein, described liquid level detector is included in the most close ultrasonic wave selector and described liquid dispensing unit in described a plurality of ultrasonic wave receiving converters on the described container height measuring appliance and the ultrasonic wave receiving converter that is provided with.
14, automatic liquid dispenser with liquid level detector according to claim 1, described automatic liquid dispenser with liquid level detector also comprises:
The container height determiner, it calculates the mean value of the container height of repeatedly being measured by described container height measuring appliance, to determine described container height;
Memory wherein stores liquid level with respect to described container height as tentation data; And
Comparator, it receives the described container height determined by described container height determiner and by the liquid level of the detected liquid of described liquid level detector, compare with predetermined container height, and determine that the described liquid level and the described container dimensional of described store memory storage are proportional liquid level and the storage of described store memory.
15, a kind of automatic liquid dispenser with liquid level detector, described automatic liquid dispenser with liquid level detector comprises:
Container container, wherein storage container;
Fluid supplier, it is arranged on the upper surface of described container container, and is provided with at least one or more a plurality of nozzle and is connected to the fluid box that is full of liquid by fluid passage;
The liquid regulon, it is regulated liquid velocity, amount of liquid or the liquid velocity and the amount of liquid that offer described fluid supplier from described fluid box;
Container and liquid level detector, it is to described container emission ultrasonic wave and detect the described ultrasonic wave that reflects from described container, to generate signal; And
Controller, it receives the described signal from described container and liquid level detector, to control described liquid regulon.
16, automatic liquid dispenser with liquid level detector according to claim 15, wherein, described liquid regulon comprises the fluid flow control valve, and described fluid flow control valve is used for just regulating amount of liquid at streamer by the cross section of optionally blocking described fluid passage.
17, automatic liquid dispenser with liquid level detector according to claim 15, wherein, described liquid regulon comprises mass flow controller, described mass flow controller is used to regulate the pressure of wanting streamer to arrive the liquid of described container.
18, automatic liquid dispenser with liquid level detector according to claim 15, wherein, the quantity that is located at the fluid passage between described fluid box and the described fluid supplier is a plurality of, and described liquid regulon comprises the magnetic valve that is separately positioned on each fluid passage.
19, automatic liquid dispenser with liquid level detector according to claim 15, wherein, described liquid regulon comprises the n three-way electromagnetic valve, described n three-way electromagnetic valve is provided with an import and a plurality of outlet, described import is connected to described fluid passage, and described a plurality of outlet is installed on the described fluid supplier optionally described a plurality of outlets are blocked.
20, automatic liquid dispenser with liquid level detector according to claim 15, described automatic liquid dispenser with liquid level detector also are included in the identity marking that is used to lay described container on the described container container.
21, automatic liquid dispenser with liquid level detector according to claim 20, wherein, described identity marking is made by waterproof material.
22, automatic liquid dispenser with liquid level detector according to claim 20, wherein, described identity marking is provided with at least one or more a plurality of light source.
23, automatic liquid dispenser with liquid level detector according to claim 15, wherein, described container and liquid level detector comprise optical sensor or ultrasonic sensor.
24, automatic liquid dispenser with liquid level detector according to claim 15, wherein, described container and liquid level detector comprise:
The ultrasonic wave selector; With
At least one or more a plurality of ultrasonic wave receiving converter.
CNA2007101869940A 2007-02-14 2007-11-16 Automatic liquid dispenser with liquid level detector Pending CN101245965A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020070015508 2007-02-14
KR1020070015508A KR20080076069A (en) 2007-02-14 2007-02-14 Automatic liquid dispenser
KR1020070021471 2007-03-05

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CN102173055A (en) * 2011-01-30 2011-09-07 河南工业职业技术学院 Liquid level detection and oil liquid automatic compensation device
CN102465306A (en) * 2010-11-05 2012-05-23 无锡华润上华半导体有限公司 Hydrofluoric acid adding device and adding method
CN103720366A (en) * 2013-12-20 2014-04-16 北京联合大学生物化学工程学院 Intelligent beverage dispenser
CN104257270A (en) * 2014-08-22 2015-01-07 广州市番禺奥迪威电子有限公司 Water outlet control method and system of drinking water supply device
CN104631578A (en) * 2014-12-25 2015-05-20 美的集团股份有限公司 Domestic wash sink and intelligent kitchen
CN105433810A (en) * 2015-12-26 2016-03-30 北海市永达鑫电子有限公司 Direct water dispenser based on infrared distance measurement sensors
CN106609868A (en) * 2016-06-28 2017-05-03 苏州麦可旺志生物技术有限公司 Periodic oriented flow guide device for various types of fluid
CN106917740A (en) * 2015-12-28 2017-07-04 广东美的生活电器制造有限公司 Water pump water outlet control method and liquid heating
CN107736803A (en) * 2017-10-31 2018-02-27 珠海格力电器股份有限公司 The control method and water dispenser of water dispenser
CN110398272A (en) * 2019-07-26 2019-11-01 辽宁机电职业技术学院 It is a kind of for automatically determining the analysis meter of the measurand of fluid to be measured
CN110440500A (en) * 2018-05-02 2019-11-12 大宇电子株式会社 Automatic water filling distributor for refrigerator
CN113116153A (en) * 2019-12-31 2021-07-16 佛山市顺德区美的饮水机制造有限公司 Method for measuring height of water cup, method for controlling water outlet and water outlet control device
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CN102465306A (en) * 2010-11-05 2012-05-23 无锡华润上华半导体有限公司 Hydrofluoric acid adding device and adding method
CN102173055A (en) * 2011-01-30 2011-09-07 河南工业职业技术学院 Liquid level detection and oil liquid automatic compensation device
CN103720366A (en) * 2013-12-20 2014-04-16 北京联合大学生物化学工程学院 Intelligent beverage dispenser
CN104257270A (en) * 2014-08-22 2015-01-07 广州市番禺奥迪威电子有限公司 Water outlet control method and system of drinking water supply device
WO2016026216A1 (en) * 2014-08-22 2016-02-25 广州市番禺奥迪威电子有限公司 Water outlet control method and system for drinking water supply device
CN104631578A (en) * 2014-12-25 2015-05-20 美的集团股份有限公司 Domestic wash sink and intelligent kitchen
CN104631578B (en) * 2014-12-25 2016-08-24 美的集团股份有限公司 Household washing tank and intelligent kitchen
CN105433810B (en) * 2015-12-26 2018-07-03 宁波远志立方能源科技有限公司 A kind of direct drinking fountain based on infrared distance sensor
CN105433810A (en) * 2015-12-26 2016-03-30 北海市永达鑫电子有限公司 Direct water dispenser based on infrared distance measurement sensors
CN106917740A (en) * 2015-12-28 2017-07-04 广东美的生活电器制造有限公司 Water pump water outlet control method and liquid heating
CN106917740B (en) * 2015-12-28 2019-07-02 广东美的生活电器制造有限公司 Water pump water outlet control method and liquid heating
CN106609868A (en) * 2016-06-28 2017-05-03 苏州麦可旺志生物技术有限公司 Periodic oriented flow guide device for various types of fluid
CN106609868B (en) * 2016-06-28 2018-11-09 苏州麦可旺志生物技术有限公司 One kind of multiple fluid periodicity directional stream-guidance devices
CN107736803A (en) * 2017-10-31 2018-02-27 珠海格力电器股份有限公司 The control method and water dispenser of water dispenser
CN110440500A (en) * 2018-05-02 2019-11-12 大宇电子株式会社 Automatic water filling distributor for refrigerator
CN110398272A (en) * 2019-07-26 2019-11-01 辽宁机电职业技术学院 It is a kind of for automatically determining the analysis meter of the measurand of fluid to be measured
CN113116153A (en) * 2019-12-31 2021-07-16 佛山市顺德区美的饮水机制造有限公司 Method for measuring height of water cup, method for controlling water outlet and water outlet control device
CN115243587A (en) * 2020-02-21 2022-10-25 巴特克有限公司 Monitoring balance and distribution of a fluid distribution system to improve quality and efficiency

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