CN1158965C - Dish washer - Google Patents
Dish washer Download PDFInfo
- Publication number
- CN1158965C CN1158965C CNB991262298A CN99126229A CN1158965C CN 1158965 C CN1158965 C CN 1158965C CN B991262298 A CNB991262298 A CN B991262298A CN 99126229 A CN99126229 A CN 99126229A CN 1158965 C CN1158965 C CN 1158965C
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- washing
- water
- dish
- washing machine
- supersonic generator
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/02—Washing or rinsing machines for crockery or tableware with circulation and agitation of the cleaning liquid in the cleaning chamber containing a stationary basket
- A47L15/13—Washing or rinsing machines for crockery or tableware with circulation and agitation of the cleaning liquid in the cleaning chamber containing a stationary basket using sonic or ultrasonic waves
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/17—Sonic or ultrasonic waves
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- Washing And Drying Of Tableware (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention improve washing performance by accelerating the dissolution of a detergent. On the outer wall surface of a water storage tank 6 at the bottom part of a washing chamber 2, an ultrasonic oscillator 30 is tightly adheringly attached by turning an oscillation surface upwards. When a door 3 is closed so as to perform washing, the detergent dropped from a detergent housing recessed part 20 formed on the inner wall surface of the door 3 is dropped right to the upper part of the ultrasonic wave oscillator 30. When the ultrasonic oscillator 30 is operated after the prescribed amount of water is stored at the bottom part of the washing chamber 2, the detergent is quickly dissolved by fine vibration by ultrasonic waves. Thus, since the detergent is dissolved even before a water temperature is sufficiently raised by the heating of a heater 15, high washing ability is obtained.
Description
The invention relates to the invention of dish-washing machine.
As everyone knows, existing dish-washing machine all is that running water is introduced the washing chamber, allows water store in the hopper of bottom, washing chamber, start washing pump then, the water that stores is drawn up, spray to the tableware brute force from nozzle again, thus the dishwashing detergent of folding and unfolding in the washing chamber is clean.
In this class dish-washing machine, the structure that one class dish-washing machine is arranged is that door set before the basket is being opened downwards on one side towards the user, be formed with the recess of dress washing agent in the inboard of door, in this recess, put washing agent, after shutting the door, washing agent promptly flows to from the recess that stands vertically in the hopper of below.
Use this class dish-washing machine, insufficient as the dissolving of washing agent, then washing function is difficult to give full play to, therefore should be when washing process begins as early as possible with detergent dissolution in water.Though the water temperature height can promote the dissolving of washing agent, directly running water is being introduced under the situation of washing chamber from water tap, even if adopt heater that water is heated, washing initial stage water temperature is still not high, the dissolving of washing agent is difficulty still.
The present invention to develop in order addressing this problem and to finish, and its main purpose is for a kind of dissolving that can promote washing agent is provided, thereby has the dish-washing machine of strong washing function.
First kind of dish-washing machine of the present invention of finishing in order to solve above-mentioned problem is a kind of washing chamber that disposes the nozzle-like water jet device that has, and extract to store at the water of this bottom, washing chamber and with it and be pumped to the dish-washing machine of the water circle device of above-mentioned water jet device, its water that also has in the washing chamber sends hyperacoustic ultrasonic generator.
Adopt this first kind of dish-washing machine, ultrasonic generator is worked at the beginning, and ultrasonic wave is just storing in washing chamber bottom or the water transmission of water circle device inside, makes that water generates is little shakes.Therefore, the dissolving of washing agent in the time of can promoting to wash can be given full play to its washability.In addition, the time can promote the dissolving of residual washing agent, make that washing agent is very fast discharges in the washing chamber in flushing.
Second kind of dish-washing machine of the present invention, according to above-mentioned first kind of dish-washing machine, it had in when washing renders to the detergent throwing device of bottom, above-mentioned washing chamber with washing agent, and above-mentioned ultrasonic generator be provided with can make ultrasonic wave reach this washing agent throw in the position near.
In other words, ultrasonic wave has directive property, adopts this second kind of dish-washing machine, because washing agent of throwing in and strong little the shaking near the water thereof make that the dissolving of washing agent is very rapid.
The third dish-washing machine of the present invention, according to above-mentioned first kind of dish-washing machine, wherein above-mentioned ultrasonic generator is arranged at above-mentioned water circle device and extracts near the extraction opening that water uses.
Water circle device is worked at the beginning, stores near just diffluence extraction opening of water in washing chamber bottom, be mixed into the washing agent that goes in this water just concentrate on extraction opening near.Adopt this third dish-washing machine, can make this washing agent and near strong little the shaking of water generates thereof, make the dissolving of washing agent very rapid.
The 4th kind of dish-washing machine of the present invention, according to above-mentioned the third dish-washing machine, the part of bottom, wherein above-mentioned washing chamber forms the hopper of depression downwards, and above-mentioned extraction opening and above-mentioned ultrasonic generator all are arranged at the wall of this hopper.
Adopt the 4th kind of dish-washing machine, the water in the washing chamber is extracted by water storage is poor by water circle device.Because hopper is that water stores minimum position, position in the position, therefore the washing agent that is mixed in the water concentrates on this, and washing agent dissolves rapidly because of little the shaking that ultrasonic wave causes.
The 5th kind of dish-washing machine of the present invention, according to above-mentioned first kind of dish-washing machine, wherein above-mentioned ultrasonic generator is provided with in the water extraction opening that ultrasonic wave is reached the be in above-mentioned water circle device water to the stream of the water spray-hole of above-mentioned water jet device.
Adopt the 5th kind of dish-washing machine, under containing hyperacoustic state, from the water spray-hole, eject and contact, therefore can make tableware produce little shaking, can promote peeling off of the dirt composition that adheres on the tableware with tableware by the water of water circle device pumping.In addition, be attached to flowing down of washings on the tableware in the time of can also promoting to wash.Also have, can also avoid fine impurity or grease composition contained in the water to be attached to the wall of above-mentioned extraction opening to water spray-hole stream.
The 6th kind of dish-washing machine of the present invention, any according in above-mentioned first to the 5th kind of dish-washing machine, wherein above-mentioned ultrasonic generator is a kind ofly to send hyperacoustic supersonic generator from the place ahead towards this face, and the vibration plane of this supersonic generator is close together by the outside wall surface of a rubber-like installing plate and washing chamber, hopper or stream.
Supersonic generator is contained on the outside wall surface of washing chamber for example, when the water in the washing chamber sends ultrasonic wave, contact with the outside wall surface of washing chamber as its vibration plane inhomogeneous, just the then ultrasonic wave at this position high attenuation greatly.The stress of rubber-like installing plate when can absorption pressure giving as security adopts the 6th kind of above-mentioned dish-washing machine, owing to so vibration plane and outside wall surface are close to, can send ultrasonic wave effectively in water.
The 7th kind of dish-washing machine of the present invention according to above-mentioned the 6th kind of dish-washing machine, wherein is close to the surface process processing of the outside wall surface of above-mentioned supersonic generator, and be very level and smooth.
Adopt the 7th kind of dish-washing machine, the vibration plane of supersonic generator and the gap between the outside wall surface still less are close to better, so the decay when ultrasonic wave is propagated also reduces more.
The 8th kind of dish-washing machine of the present invention, any according in above-mentioned first to the 7th kind of dish-washing machine, it just makes above-mentioned ultrasonic generator work in flushing process for a kind of dish-washing machine that carries out the several times flushing after washing with washing agent again in washing process and for the first time.
Adopt the 8th kind of dish-washing machine, in washing process, have ultrasonic wave to produce, promote the dissolving of washing agent, in first time flushing process, have ultrasonic wave to produce, promote the dissolving of residual washing agent.There is not ultrasonic wave to produce in for the second time later flushing process.Like this, only have the time spent just to drive ultrasonic generator, so its running time is shorter at ultrasonic wave.Consequently, the fault of ultrasonic generator reduces, and has saved the trouble of changing, and has reduced cost.
The 9th kind of dish-washing machine of the present invention, any according in above-mentioned first to the 7th kind of dish-washing machine, its have can perception the sensing device of detergent dissolution, above-mentioned ultrasonic generator only in washing process this sensing device perceive washing agent and just work before dissolved.Sensing device described here, not only can be with the sensing device of the concentration of washing agent directly being measured by the conductance of measuring water, but also can be with by the perception water temperature etc., the condition that perceives detergent dissolution has reached, thereby infers the dissolved sensing device of washing agent.
Adopt the 9th kind of dish-washing machine, the ultrasonic generator only utmost point before washing agent is dissolved just was driven in the short time, so running time is shorter, fault is few especially.
The of the present invention ten kind of dish-washing machine, according to above-mentioned the 5th kind of dish-washing machine, wherein above-mentioned ultrasonic generator and above-mentioned water jet device connection are provided with, and make ultrasonic wave deliver to the water transmission of above-mentioned water jet device.
Adopt the tenth kind of dish-washing machine, under containing hyperacoustic state, from the water spray-hole, eject and contact with tableware by the water of water circle device pumping.Therefore, can make tableware produce little shaking, can promote peeling off of the dirt composition that adheres on the tableware.
Particularly, adopt the tenth kind of dish-washing machine,, therefore can provide decay few ultrasonic wave to tableware owing to contain ultrasonic wave in the water before spraying, be attached to dirt on the tableware to peel off effect better.
Adopt dish-washing machine of the present invention, water generates is little shakes owing to can make by ultrasonic wave, thereby promotes the dissolving of washing agent, so can just give full play to washability at the beginning from washing process, can reach very high scourability.By in washing process, make little the shaking of water generates of circulation, can make the grease that flows down on the tableware become trickle, mix with water easily.So, grease just can internal face attached to the washing chamber on, not only clean result is better, and the cleaning of washing chamber is also convenient.
By when flushing with washing process in undissolved residual washing agent dissolve, washing agent is removed the water in the washing chamber as early as possible, thereby improved the effect of flushing.
An embodiment to dish-washing machine of the present invention describes with reference to the accompanying drawings.
Fig. 1 is the side cross-sectional views of the dish-washing machine total of expression one embodiment of the present of invention.
Fig. 2 is the partial cross section vertical view that the door of the dish-washing machine of expression present embodiment is in complete open state.
Fig. 3 is the enlarged drawing of the B part among Fig. 2.
Fig. 4 is the sectional view along the C-C ' transversal among Fig. 3.
Fig. 5 is the longitudinal section of the used supersonic generator of the dish-washing machine of present embodiment.
Fig. 6 (a) is that front view, Fig. 6 (b) that the mounting plates structure that supersonic generator uses is installed in expression is the sectional view along D-D ' line.
Fig. 7 is the structure chart of the electrical system of present embodiment dish-washing machine.
Fig. 8 is the flow chart of the whole operation process of dish-washing machine of expression present embodiment.
Fig. 9 is the control flow chart of dish-washing machine when washing of expression an alternative embodiment of the invention.
Figure 10 is the part side view of the dish-washing machine of an alternative embodiment of the invention.
Figure 11 is the supersonic generator enlarged drawing on every side among Figure 10.
Figure 12 is the front view from the pump case of the dish-washing machine shown in the front with the aid of pictures 10.
Figure 13 is an alternative embodiment of the invention, be provided with the part side view of the dish-washing machine of jet parts on the end face of its washing chamber.
Side view, Figure 14 (c) of the front view of Figure 14 (a) expression jet parts, Figure 14 (b) expression jet parts represent along the sectional view of the A-A ' transversal of jet parts front view.
Washing chamber's (double as drying chamber) 2 is being set in the inside of casing 1, in the opening of 2 fronts, washing chamber, is adorning the door 3 of its lower end by the axle supporting, door is opened to front (direction of the arrow A of Fig. 1).2 bottom center is provided with the spray arm 4 that can rotate freely in the washing chamber, is formed with plurality of nozzles 5 by certain angle in the above.2 bottom is provided with the hopper 6 that is communicated with it, have circulation port 7 and discharge outlet 8 in the washing chamber, at this above hopper 6, promptly and between the washing chamber 2, is provided with the gauze filter 9 of the leftovers leftovers that collection falls from tableware.
Below the bottom of washing chamber 2, be provided with the double draining pump 10 of washing, when washing, will extract the water that comes and deliver to spray arm 4 from the circulation port 7 of hopper 6, when draining, will extract next water and be discharged to the outside by drainpipe 11 from the discharge outlet 8 of hopper 6.The water of supplying with from the outside by feed water valve 12 injects in the washing chamber 2 from the feed water inlet 13 that is arranged at 2 rear portions, washing chamber.2 rear portion is provided with the water level water level perception chamber 14 that use, that have the float of not expressing among the figure of perception washing chamber 2 in the washing chamber, and the water in the washing chamber 2 flows into this water level perception chamber 14 by the connected entrance of not expressing among the figure.2 the bottom in the washing chamber, a very big circle around the rotating shaft of spray arm 4 improves the ring-type sheathed heater 15 that washing chamber's 2 interior air themperatures are used when the water temperature that improves washings or flushing water and oven dry are being set.
2 rear portion is being provided with the Air Blast fan 16 that is driven by fan motor 17 rotations in the washing chamber, and the rotation of Air Blast fan 16 makes the extraneous air that sucks from the air entry 18 that is formed at casing 1 back side enter in the washing chamber 2.Humid air in the washing chamber 2 is discharged to the outside by the set exhaust outlet 19 in door 3 tops.
Below the inwall of door 3, be formed with washing agent and place recess 20.When washing tableware with above-mentioned dish washing machine, in the tableware basket that the user does not express the tableware folding and unfolding in the drawings, door 3 is opened as shown in Figure 2, this tableware basket is positioned in the washing chamber 2.In washing agent placement recess 20, put an amount of washing agent.Then, door 3 is shut, washing agent is placed recess 20 as shown in Figure 1, roughly is erected into vertical configuration, so the mesh of washing agent by filter 9 that washing agent is placed in the recess 20 flow in the hopper 6.
Fig. 2 has represented the part of filter 9, and Fig. 3 removes filter 9 in order to represent the structure below the filter 9.The part of front one side of hopper 6 diapires (being downside in Fig. 3) exceeds than other parts, forms an outstanding wall portion 21, is adorning the supersonic generator 30 that the back will illustrate below its outside is.
Fig. 5 is the longitudinal section of the used supersonic generator of the dish-washing machine of present embodiment 30.At the front end external diameter is that piezoelectric ceramics 32 is being pasted in the inboard of the metal shell 31 of truncated cone-shaped, fixing matrix 33 two terminals 34, that constitute by insulator and be contained in shell 31 inside, with it stifled on.Pasting shock-resistant member 35 on the matrix 33, like this, can prevent that the vibration of ultrasonic wave generation from propagating into the mounting portion of terminal 34 and matrix 33.36 sealings of packing materials such as matrix 33 usefulness resins can prevent entering of outside moisture like this.
Fig. 4 is the sectional view along the C-C ' transversal among Fig. 3.Fig. 6 (a) is that front view, Fig. 6 (b) that the mounting plates structure that supersonic generator uses is installed in expression is the sectional view along D-D ' line.These installing plate 40 usefulness for example whippy synthetic resin of acrylic resin and so on are made, and form the bend 43 of two U fonts between central portion 45 and two ends.Central portion 45 is provided with a very big central opening 41, is provided with through hole 42 respectively at both ends.The central authorities of the bend 43 of U font form the notch part 44 with horizontal line truncation surface, and this whole erection plate 40 is than being easier to bending like this.
As shown in Figure 4, below the outstanding wall portion 21 of hopper 6, be formed with two outstanding propeller boss 22 downwards, the mid portion at two propeller boss 22 also is formed with its internal diameter cylindrical flange 23 more bigger, outstanding than the external diameter of the shell 31 of supersonic generator 30 simultaneously.The outstanding wall portion 21 of these flange 23 inboards following 24 through mirror finish, have an even surface and smooth.
The shell 31 of above-mentioned supersonic generator 30 is embedded in the flange 23, is screwed in the screw of propeller boss 22 central authorities with two bolts 46, makes central portion 45 press the bottom of giving as security shell 31.Crooked and press and giving as security supersonic generator 30 because installing plate 40 by appropriateness, thus the front end tabular surface of the shell 31 of supersonic generator 30 with below mirror finish 24 contact very tight.Like this, the ultrasonic wave that supersonic generator 30 takes place can propagate in the water of hopper 6 inside almost not damply by the wall of outstanding wall portion 21.
Fig. 7 is the structure chart of the electrical system of present embodiment dish-washing machine.Control part 60 is that the center constitutes with the microcomputer that contains CPU61, ROM62, RAM63, and storage has the control program that carries out the action usefulness that the back will illustrate among the ROM62.CPU61 by various calculating or processing, realizes the function that the back will illustrate according to this control program.Power switch 70 from the operation panel, beginning key 71, wash the operation signal that journey options button 72 etc. sends and be transfused to control part 60, simultaneously, the door switch 74, the perception that open and close of perception door 3 stores the perceptual signal of pH sensor 77 etc. of pH value that the detergent concentration sensor 76, the perception that store the detergent concentration in the water of 2 bottoms, washing chamber in temperature sensor 75, the perception of the temperature of the water of 2 bottoms, washing chamber store the water of 2 bottoms in the washing chamber and also is transfused to control part 60.Detergent concentration sensor 76 can adopt the conductance by mensuration water, thereby measures the sensor of detergent concentration.Control part 60 is by the action of load drive division 78 control supply-water pumps 12, washing double draining pump 10, fan motor 12 and supersonic generator 30.
Fig. 8 is the flow chart of the whole operation process of dish-washing machine of expression present embodiment.Below, according to Fig. 8 the action of above-mentioned dish-washing machine is described.
As mentioned above, the user puts tableware and washing agent well, and door 3 is shut, and washing agent is placed recess 20 from washing agent and flowed in the hopper 6.The user presses beginning key 71, washs the water supply (step S1A) of usefulness earlier.In other words, according to the instruction of control part 60, feed water valve 12 is open, stores a certain amount of water in the bottom of the washing chamber 2 that comprises hopper 6.Along with water supply, the washing agent that originally flowed in the hopper 6 is immersed in water, but because directly the running water temperature of coming from water tap is lower, so washing agent is difficult to dissolving.
By the time water reach decide after the water level, promptly wash (step S1B).That is to say that according to the instruction of control part 60, the double draining pump 10 of washing is driven, and produces the washing current, heating current supplies to heater 15.Supersonic generator 30 is also started working.The ultrasonic wave that supersonic generator 30 sends reaches the position that washing agent is concentrated just, makes washing agent and water generates on every side is little shakes.Like this, promoted the dissolving of washing agent.As the particle of washing agent big (for example contain moisture and formed block washing agent), then can't pass the mesh of filter 9 and stay filter 9 above, but because of the top of ultrasonic wave at water transmission arrival filter 9, therefore such washing agent also can be promptly dissolved.
The action of draining pump 10 because washing is held concurrently, washings are extracted from circulation port 7 delivers to spray arm 4.These washings spray by the very little nozzle 5 of bore powerfully, and the reaction force that water sprays makes spray arm 4 rotate.Washings are sprayed onto on the tableware, flow into the bottom of washing chamber 2 then, and filter 9 circulates the solids elimination in hopper 6.
Be placed on the washing agent in the washing agent placement recess 20 before door 3 is closed, some does not flow down under the state that washing agent placement recess 20 stands vertically yet, and remains in this recess 20.But, owing to can be directed onto each corner of washing chamber 2, naturally also can be sprayed onto on the inwall of door 3 from the water of nozzle 5 ejection, therefore residual washing agent is also washed away, flow in the hopper 6.
After the washing of fix time (about 10 minutes) finishes, just carry out draining (step S1C).In other words, according to the instruction of control part 60, the double draining pump 10 of washing is driven, and produces the draining current.Like this, extract the water that comes up from the discharge outlet 8 of hopper 6 and arranged to drainpipe 11, the water of 2 bottoms, washing chamber is discharged to the outside.Draining one finishes, and the double draining pump 10 of washing continues similarly to be driven, and feed water valve 12 is open.That is to say that (step S1D) carried out in the water supply of washing chamber 2 and draining simultaneously.Like this, the wall of 2 bottoms, the washing chamber detergent foam of adhering to is removed.
Then, carry out first time flushing (step S2), feed water valve 12 is open, and the clean water of flushing usefulness is introduced into washing chamber 2 (step S2A), and is the same during with the washing of step S1B, carries out the flushing (step S2B) about 1 minute., heat for the first time in the flushing process at this, but supersonic generator 30 is worked when washing the samely without heater 15.Usually, in the washing process in front, washing agent is all dissolved.But, as the detergent amount of putting into is too many, perhaps because the washing agent that concerns of moisture has been formed piece, also has the situation that washing agent left behind once in a while.So, when carrying out washing the first time, allow supersonic generator 30 work, residual washing agent is dissolved fully.After flushing finishes, the water in the washing chamber 2 is discharged (step S2C).
(step S3A～S4C), water is introduced washing chamber 2 (step S5A) is heated to this water about 70～80 ℃ by heater 15 after water carries out twice flushing more repeatedly.Carry out high temperature flushing (step S5B) with this hot water then.Like this, can carry out sterilization, because tableware is heated, can promptly be dried in the drying course below simultaneously tableware.After the high temperature flushing, the water of 2 bottoms, washing chamber is discharged (step S5C), with the air heat in the washing chamber 2, tableware is dried (step S6) by heater 15.
As mentioned above, adopt the dish-washing machine of present embodiment, owing in the washing process of step S1B and in the first time of step S2B, allow supersonic generator 30 work in the flushing process, can promote the dissolving of washing agent, begin just can give full play to the function of washing agent from the initial stage of washing process, when flushing, have under the residual situation of washing agent simultaneously, also can promptly its dissolving be removed from washing chamber 2.
Dish-washing machine to an alternative embodiment of the invention describes below.Often working life is shorter for above-mentioned supersonic generator 30.Therefore, do not need to take place hyperacoustic during, perhaps hyperacoustic effect obviously little during, preferably allow supersonic generator 30 quit work.Adopt the dish-washing machine of present embodiment, supersonic generator 30 is not worked in washing process always, and supersonic generator 30 is limited at washing agent and is fully just carried out work before the dissolving.
The basic structure of the dish-washing machine of present embodiment is same as the previously described embodiments, just the content difference of control.Fig. 9 is the control flow chart of this dish-washing machine when washing.According to Fig. 9 the action in when washing is described below.Supply water to finish, when beginning to wash, according to the instruction of control part 60, the washing draining pump 10 of holding concurrently is driven, and produces washing current (step S10), supersonic generator 30 also work simultaneously (step S11).Like this, as mentioned above, the water transmission of ultrasonic wave in hopper 6 promotes the dissolving of washing agent.
Next, whether the water temperature of judging temperature sensor 75 perception has surpassed 32 ℃ (step S12).In general, commercially available dish-washing machine special purpose detergent can dissolving fully in the time about 1 minute under the water temperature about 30 ℃.Therefore, can infer, in the heating by heater 15, make be generally tens degrees centigrade to twenties degrees centigrade waterborne be raised to 32 ℃ during, washing agent should be able to fully be dissolved.32 ℃ have been reached as water temperature, supersonic generator 30 promptly quit work (step S15).
As when step S12 judges that water temperature does not reach 32 ℃, to judge then whether the value of detergent concentration sensor 76 perception has reached institute's definite value (step S13).Reached institute's definite value as this perception value, supersonic generator 30 promptly quit work (step S15).Do not reach institute's definite value as this perception value, will judge then whether the pH value of pH sensor 77 perception has reached (step S14) more than 10.The washing agent of dish-washing machine special use mostly is alkalescent, wash required a certain amount of detergent dissolution in a certain amount of water after, the pH value mostly surpasses 10.Therefore, reached more than 10 supersonic generator 30 promptly quit work (step S15) as the pH value.
When being not as step S12, S13, S14, then can judge washing agent not fully dissolving as yet, this will return step S12.After by step S15 supersonic generator 30 being quit work, washing is proceeded, until for example passed through fixed wash time, perhaps water temperature reached fixed temperature, washing finishes (step S16 " Y "), the washing draining pump 10 of holding concurrently quits work.(step S17).
As mentioned above, adopt the dish-washing machine of present embodiment, supersonic generator 30 is only just worked in the initial stage of washing usually, so compare with the embodiment of front, in the once washing drying course, the working time of supersonic generator 30 shortens dramatically.So the fault and the defect of supersonic generator 30 are reduced.
Below, another embodiment of the present invention is described.In the dish-washing machine of the above embodiments, supersonic generator 30 is closely to be attached on the outer wall of hopper 6, but so long as be contained in the washing process or water stores in the flushing process position, can obtain same effect.
Figure 10～Figure 12 is that expression supersonic generator 30 is contained in the hold concurrently accompanying drawing of the example on the outer wall of shell of draining pump 10 of washing.
In this dish-washing machine, supersonic generator 30 is contained on the sidewall 103 below the outlet 102 that pump case 101 extends upward.This installation method as shown in figure 11, equally with original Fig. 4 adopt installing plate 40, so the front end tabular surface of supersonic generator 30 can contact closely seamlessly with the outside wall surface of sidewall 103.In washing process, when the double draining pump 10 of washing was driven, with the water that extracts from hopper 6, undissolved washing agent also flow in the pump case 101, so can promote the dissolving of washing agent by the ultrasonic wave that supersonic generator 30 sends.
In this embodiment, a part of ultrasonic wave is reflected in pump case 101 in the spray arm 4, and the water that sprays with nozzle 5 is ejected.Therefore can obtain such effect, promptly when the water of ejection contacted with tableware, little the shaking that this ultrasonic wave causes can promote peeling off attached to the dirt on the tableware.In addition, in recirculated water, be mixed with minute impurities or grease composition that filter 9 fails to collect, but little shaking because of water transmission, thus this class composition can wall attached to feed pipe that leads to spray arm 4 or spray arm 4 inside on.Like this, even if long-term the use, water spray stern 4 also can keep its rotation smoothly, and health.
In the dish-washing machine of present embodiment,, preferably as original embodiment of Fig. 8 explanation, in washing process and in the primary flushing process, allow supersonic generator 30 work in order to obtain above-mentioned effect.
Below, another embodiment of the present invention is described.As shown in figure 13, the dish-washing machine of this embodiment, an internal face of its washing chamber 2 is that end face 2a is provided with jet parts 50, deliver to jet parts 50 from the water that washs draining pump 10 discharges of holding concurrently by tube connector 51, from 50 ejections of jet parts, tableware not only is washed the set spray arm 4 in 2 bottoms, chamber and washes away from the water of below ejection like this, but also is washed away by water from the top.
As shown in figure 14, jet parts 50 are made of lower member 53 welding of discoid upper-part 52 with hemispherical container shape, have formed the hemisphere face shape of a hollow.On upper-part 52, be provided with the roughly rounded recess 54 that supersonic generator 30 is set, portion also is formed with the propeller boss 55,55 that set bolt is used respectively about it simultaneously.On lower member 53, be formed with towards the insertion mouth 56 of the tube connector 51 at rear, also be provided with many spray-holes 57 simultaneously in one side.
Like this, during washing, the double draining pump 10 1 of washing is driven, and water is just delivered to jet parts 50 by tube connector 51, ejects from spray-hole 57 diffusion downwards.At this moment, by driving supersonic generator 30, the water of ultrasonic wave in jet parts 50 promptly sprays preceding water transmission, ejects with injected water.When the water of ejection contacted with tableware, little the shaking that this ultrasonic wave causes can promote peeling off attached to the dirt on the tableware.Certainly, it is dissolved that the ultrasonic wave that sends of supersonic generator 30 also can promote to deliver to undissolved washing agent contained in the water in the jet parts 50.
Adopt this dish-washing machine,,, can improve the effect of peeling off better attached to the dirt on the tableware so can provide decay ultrasonic wave still less to tableware because contain ultrasonic wave in the water before spraying.In addition, because the injection direction of hyperacoustic direction of propagation and water is all downward, be roughly equidirectional, therefore, it is littler that hyperacoustic decay can reduce to.
And, adopt this dish-washing machine, finish at the flushing process of tableware, when drying,,, therefore can allow the water droplet that adheres on the end face 2a fall, thereby improve the oven dry performance because the vibration of supersonic generator 30 can be passed to end face 2a as driving supersonic generator 30.
Claims (1)
1. dish-washing machine, it has: dispose the washing chamber of nozzle-like water jet device, and extract to store at the water of this bottom, washing chamber and with it and be pumped to the water circle device of above-mentioned water jet device;
It is characterized in that, also have: the water in the washing chamber sends hyperacoustic supersonic generator, and the washing agent that makes washing agent fall within bottom, described washing chamber in the washing running is received the dress recess, and the part of bottom, above-mentioned washing chamber is sunk, be formed on the hopper that is in extreme lower position in the position that stores water; At the wall of this hopper, be provided with the extraction opening that extracts water by described water circle device, be provided with described supersonic generator simultaneously.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP360372/1998 | 1998-12-18 | ||
| JP36037298 | 1998-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1257689A CN1257689A (en) | 2000-06-28 |
| CN1158965C true CN1158965C (en) | 2004-07-28 |
Family
ID=18469131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991262298A Expired - Fee Related CN1158965C (en) | 1998-12-18 | 1999-12-16 | Dish washer |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2000325282A (en) |
| KR (1) | KR100338350B1 (en) |
| CN (1) | CN1158965C (en) |
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| KR100339371B1 (en) * | 2000-01-31 | 2002-06-03 | 구자홍 | dish-washer having ultrasonic washing function |
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| CN109394116B (en) * | 2017-08-18 | 2024-01-16 | 宁波方太厨具有限公司 | Spray arm and cleaning machine applying same |
| CN109394126B (en) * | 2017-08-18 | 2024-02-20 | 宁波方太厨具有限公司 | Spray arm and cleaning machine applying same |
| CN114190858B (en) * | 2020-09-18 | 2023-09-26 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish washer and control method of dish washer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950003186B1 (en) * | 1985-10-21 | 1995-04-04 | 오오오까 유끼오 | Tableware washing machine using ultrasonic waves |
| JP2574450B2 (en) * | 1989-02-20 | 1997-01-22 | 松下電器産業株式会社 | Dishwasher |
| KR960005449Y1 (en) * | 1994-07-16 | 1996-07-03 | 이길우 | Ultrasonic waves cleaning devices |
| KR970060659U (en) * | 1996-05-13 | 1997-12-10 | 강유복 | Ultrasonic cleaner |
| KR19980027960U (en) * | 1996-11-20 | 1998-08-05 | 배순훈 | Ultrasonic Dishwasher |
| KR0170996B1 (en) * | 1996-11-29 | 1999-01-15 | 배순훈 | Dishwasher for supersonic waves |
-
1999
- 1999-12-16 CN CNB991262298A patent/CN1158965C/en not_active Expired - Fee Related
- 1999-12-17 KR KR1019990058460A patent/KR100338350B1/en not_active IP Right Cessation
-
2000
- 2000-04-26 JP JP2000125111A patent/JP2000325282A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR100338350B1 (en) | 2002-05-30 |
| CN1257689A (en) | 2000-06-28 |
| JP2000325282A (en) | 2000-11-28 |
| KR20000052497A (en) | 2000-08-25 |
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