CN101267760A

CN101267760A - Dish washer with uv sterilization device therein

Info

Publication number: CN101267760A
Application number: CNA2006800297492A
Authority: CN
Inventors: 新东训; 权纯龙
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2005-08-19
Filing date: 2006-08-17
Publication date: 2008-09-17
Anticipated expiration: 2026-08-17
Also published as: CN101267760B; KR20070021648A

Abstract

A dish washer and a control method thereof are disclosed. The dish washer includes a UV sterilization device (60) capable of sterilizing inside of the dish washer and a fan (11) capable of exhausting air in a tub (2) outside. A controller (80) controls the UV sterilization device (60) to sterilize the inside of the dish washer by using ultraviolet rays, and controls the fan (11) to exhaust harmful gas like ozone which may be generated during the sterilization.

Description

Dish-washing machine with ultra violet sterilizer

Technical field

The present invention relates to a kind of dish-washing machine, relate more specifically to a kind of dish-washing machine and control method thereof that comprises the ultra violet sterilizer that is used to dish washer interior sterilization and be used for getting rid of the fan of the pernicious gas that may produce at disinfecting process.

Background technology

Generally speaking, dish-washing machine is that a kind of water that contains abluent by injection cleans by the bowl dish of refuse pollution and dries the equipment of these bowls dish.

Dish-washing machine helps user's wash dishes easily, and it is very useful, particularly to old man and disabled person.Dish-washing machine also provides sufficient free time for the user, dishwasher into operation the time carried out other work afterwards.So, people for the demand of dish-washing machine growing.

Dish-washing machine is divided into two classes.One class has one and collect the filter that is washed the rubbish that comes from the bowl dish in cleaning process, and another kind does not have this filter.For preceding a kind of, the user must remove to remove the rubbish that is collected in the filter with hand; A kind of for the back, dish-washing machine has the pure rubbish of powder and with its function of discharging with water.

Fig. 1 is a width of cloth cross-sectional side view, and it has schematically shown a kind of dish-washing machine of prior art.As shown in the figure, dish-washing machine comprises main body 1, bucket 2, drive part 3, cleaning arm 4, scavenging pump 5 and drainage pump 6.

Main body 1 is protected the assembly of dish-washing machine and is constituted its outward appearance.A door 1a is housed on the part of main body 1, is used for the bowl dish is put into bucket 2 or taken a bowl dish away from bucket.

Bucket 2 is formed on main body 1 inside, and it provides cleaning space for the bowl dish.The shelf 7 that is used for loading bowl dish is placed in the bucket 2.Usually, shelf 7 is installed in the upper and lower of bucket 2.

The drive part 3 that is used for moving dish-washing machine is installed in below the bucket 2.Drive part 3 comprises the tank (not shown) that is used for storing water, be installed in the other filter (not shown) that is used for adding the heater (not shown) of hot water and is used for filtering the rubbish that washes down from the bowl dish of tank.

Cleaning arm 4 has and is sprayed onto function on the bowl dish that is placed in the shelf 7 with being stored in water in the tank.Cleaning arm 4 is connected to the water pipe 8 that prolongs from tank from extending, and is installed in respectively below the corresponding shelf 7.

Scavenging pump 5 is installed in below the drive part 3.The water that scavenging pump 5 will be stored in the tank offers cleaning arm 4 by water pipe 8.

Drainage pump 6 is connected on the filter of drive part 3.Drainage pump 6 will be used for the water of wash dishes and be discharged to the outside.

But because the dish-washing machine of prior art is not installed the device of bowl dish that sterilization cleaned, this has just run into the problem of health aspect.

Because rubbish may remain in the dish-washing machine, dish-washing machine just has by the danger of germ contamination.Particularly filter provides an extraordinary environment for bacterial reproduction.

In addition, because bacterium can breed in wet environment better, bacterium can not only be used the wet type chlorination equipment of hot water to remove.Bacterium can breed again owing to the humidity of wet type chlorination equipment self.

Therefore, require a kind of dish-washing machine that can carry out disinfection to dish washer interior, a kind of dish-washing machine of dry type chlorination equipment particularly is installed.

Summary of the invention

The technical problem that is solved

Therefore, the present invention relates to a kind of limitation and dish-washing machine and control method thereof not enough, that have ultra violet sterilizer of eliminating one or more correlation techniques basically.

The one object of the present invention of dealing with problems is that a kind of comprising can be to dish washer interior, particularly the dish-washing machine of bucket and the filter ultra violet sterilizer of sterilizing.

Can be discharged into air in the bucket barrel dish-washing machine of outer fan a kind of the comprising that another object of the present invention is to of dealing with problems, and discharges peculiar smell and get rid of the pernicious gas as ozone and so on that produces disinfecting process from dish-washing machine thus.

Technical scheme

Goal of the invention of the present invention can realize that this dish-washing machine comprises by a kind of dish-washing machine is provided: be used to launch the ultraviolet emission device of ultraviolet ray at least a portion sterilization of dish washer interior; Be used for air in the bucket is discharged into the outer fan of bucket; And the controller that is used to control ultraviolet emission device and fan running, so that fan turns round in the time at least a portion of ultraviolet emission device work.

Preferably, the ultraviolet emission device is uviol lamp or UV LED.Thereby kill bacteria is penetrated in ultraviolet ray from the ultraviolet emission device.Hereinafter, " uviol lamp " is as the generic term that comprises UV LED.

Preferably, fan can be discharged into the air in the bucket outside the bucket, therefore removes the bad smell in the dish-washing machine and gives off issuable pernicious gas, for example ozone during sterilizing.

Preferably, the running of controller control fan, the preset time section so that fan turns round after the work of ultraviolet emission device is finished is thoroughly to emit the air in the bucket.

Preferably, ultraviolet emission device emission ultraviolet ray in the bucket of taking in bowl dish.The ultraviolet emission device can be assembled on the inwall of bucket.

Preferably, dish-washing machine also comprises the filter that is used for drainage.The ultraviolet emission device is to filter emission ultraviolet ray.Because filter by be collected in wherein as the pollutant of rubbish one class for bacteria breed provides good environment, be necessary filter is sterilized.

Preferably, the ultraviolet emission device is assembled under the filter.This is in order to prevent that thereby contaminant accumulation from blocking ultraviolet ray emission on the ultraviolet emission device.Thereby pollutant is not caught at filter and can be deposited on the ultraviolet emission device.

Preferably, the ultraviolet emission device assembles with being tilted, can slide by self or dashes and remove from the ultraviolet emission device easily by water in the pollutant of ultraviolet emission device so that might drop.

Preferably, the ultraviolet emission device is to the inside and the filter emission ultraviolet ray of bucket.For this reason, the rigging position of ultraviolet emission device can suitably be adjusted, and perhaps ultraviolet intensity can increase.For example, the ultraviolet emission device can be assemblied in the bucket inwall or near filter.

When taking out the bowl dish from dish-washing machine before the user finishes at the fixed time, controller controls preferably that the ultraviolet emission device stops and the operation of finishing the work.For this reason, dish-washing machine also comprises the sniffer that is used to survey the open and close of dish-washing machine door.Controller control ultraviolet emission device is worked in the section at the fixed time.When opening or closing before door finishes at the fixed time, controller judges that the user takes out the bowl dish from bucket, and control ultraviolet emission device stops and finishing the work.Preferably, door latch-up structure or limit switch can be used as sniffer.

Preferably, dish-washing machine also comprises: the heater of the water that heating is used to sterilize; And the injection apparatus that is used to spray the water that is heated by heater.Preferably heat water to 80 ℃ temperature.

When all finishing by use hot water with by the sterilization of ultraviolet emission device, Disinfection Effect is enhanced owing to two kinds of sterilization methods supply a gap mutually.In other words, use sterilization effect when sterilizing of hot water better for driver part with water leg and washing pump.And, can be adjusted to the bacterium that more effectively elimination is still survived through disinfection with hot water from the ultraviolet wave band of ultraviolet emission device emission.

Preferably, dish-washing machine also comprises: be used for the process selector button that the user selects washing process; And be used for the user and select to use the ultraviolet emission device to carry out the sterilization selector button of sterilization.Because the sterilization selector button is independent of the process selector button, can carries out sterilization following of the situation of not carrying out washing process, thereby in use provide convenience for the user.

Preferably, dish-washing machine also comprises one the process selector button that is used for selecting a plurality of washing process.In a plurality of washing process at least one comprises the disinfecting process that uses the ultraviolet emission device.Thereby the user can select to have the washing process of disinfecting process.Selector button can diversely make up, and improves ease of use thus.

Another aspect of the present invention provides a kind of method of controlling dish-washing machine, and it may further comprise the steps: (a) wash the bowl dish that is accommodated in the bucket with water; (b) rinsing washed the bowl dish; (c) use through the heating water sterilize as the bowl dish; And (d) use ultraviolet ray to be the sterilization of at least a portion of dish washer interior.

Preferably, in step (c), water is heated to 80 ℃ temperature.Step (c) can be carried out simultaneously with step (b).

Preferably, this method is further comprising the steps of: (e) dry bowl dish; And (f) when being performed, step (d) in part-time, the air in the bucket is discharged into outside the bucket at least.

Preferably, step (e) is carried out after step (c) is finished, and step (d) is carried out after step (e) is finished.

Preferably, step (f) is carried out a preset time section quilt after step (d) is finished.

Preferably, after step (f) is finished crossed a preset time section after, step (d) and step (f) are carried out once more.This is because the user can stay the bowl dish in the dish-washing machine after (f) finishes at washing process (a) once in a while.

Beneficial effect

Dish-washing machine with ultra violet sterilizer according to the present invention can wash a bowl dish, makes their cleanings and health, and by making dish washer interior keep hygienic state for dish washer interior (particularly, bucket or filter plant) sterilization.

Dish-washing machine according to the present invention comprise can be in the outside drain bucket fan of air, remove the bad smell in the dish-washing machine thus and get rid of issuable pernicious gas, for example ozone during sterilizing.

In addition, when the sterilization of using hot water simultaneously and ultraviolet disinfection, Disinfection Effect is enhanced owing to two kinds of sterilization methods supply a gap mutually.

Description of drawings

The accompanying drawing that is provided helps further to understand the present invention, and these accompanying drawings show the specific embodiment of the present invention, and explains principle of the present invention with specification.

In the accompanying drawing:

Fig. 1 is the cross-sectional side view that schematically shows dish-washing machine in the prior art;

Fig. 2 illustrates the calcspar that the dish-washing machine with ultra violet sterilizer according to the present invention is formed;

Fig. 3 is the cross-sectional side view that schematically shows the dish-washing machine that has ultra violet sterilizer according to the preferred embodiment of the present invention;

Fig. 4 is the cross-sectional view that the dish-washing machine with ultra violet sterilizer of another preferred implementation according to the present invention is shown;

Fig. 5 is the schematic diagram that the control panel embodiment of key input part is shown;

Fig. 6 is the schematic diagram that another embodiment of control panel of key input part is shown;

Fig. 7 is the flow chart that illustrates according to dish-washing machine control method of the present invention; And

Fig. 8 is the flow chart that illustrates according to dishwasher into operation of the present invention.

The specific embodiment

Now will be in detail with reference to preferred implementation of the present invention, embodiment is shown in the drawings.

Fig. 2 shows the structure block diagram that has the dish-washing machine of ultra violet sterilizer according to of the present invention.

As shown in the figure, dish-washing machine of the present invention comprises: key input part 30 is used to select washing process and whether carries out sterilizing function; Water-level detecting portion 40 is used for surveying the water level of bucket; Drive division 50 is used for operated wash motor 51, feed water valve 53, draining valve 55, heater 57 and fan motor 59; Uviol lamp (or ultra-violet light-emitting diode) 60 is used to launch ultraviolet ray and thinks through thoroughly cleaning and dry bowl dish sterilization; Display part 70 is used to show washing procedure; Controller 80 is used to control the required load of washing procedure, control is used to bowl uviol lamp 60 of dish sterilization and controls drive division 50 serves as a barrel ventilation with operation fan motor finishing when washing, rinsing, dry run after.

When dry run is finished, uviol lamp 60 emission ultraviolet rays reach a predetermined amount of time and think a bowl dish sterilization.In addition, at uviol lamp 60 duration of works, drive fan motor 59 is used for the air in the outside drain bucket to carry its driving force to fan.

Key input part 30 can comprise the control panel that is shown in Fig. 5 and 6.Describe among Fig. 5 control panel have the sterilization selector button 32 that the washing process that is used to select washing process is selected knob 31 and is used to allow the user to choose whether to carry out ultraviolet disinfection.Select the order of

knob

31 and 32 selections of sterilization selector button to show by controlling washing process, thereby inform user-selected instruction by LED (light emitting diode) 33 and 34.

The control panel of describing among Fig. 6 has the washing process selection knob 35 that is used to select washing process.One comprises the ultraviolet disinfection process in the washing procedure by programming.In other words, if the user selects " washing process 4 " (referring to Fig. 6), the ultraviolet disinfection process is carried out when " washing process 4 " carried out.Select the instruction of knob 35 selections to show by controlling washing process by LED 36.

Hereinafter, the method according to control dish-washing machine of the present invention further describes with reference to Fig. 7.

The user places the bowl dish of dirt on the interior carriage of bucket.Then, quantity and kind that user's consideration will be washed bowl dish are selected washing process and whether are carried out sterilization by controlling key input part 30 in step S10.

At step S20, controller 80 judges whether the washing process that contains disinfecting process is selected by the user.If controller 80 judges that the washing process that the user selects does not comprise disinfecting process, controller 80 is carried out washing procedure according to the selected washing process of not carrying out disinfecting process according to algorithm.

At first, feed water valve 53 water supply that is opened, water-level detecting portion 40 surveys water levels.When the water level that detects when water-level detecting portion 40 reached predetermined value, feed water valve 53 was closed to stop water supply.At step S30, by carrying out repeatedly with pre-determined number and stopping the bowl dish that bucket is built on the carriage is sprayed the water that contains cleaning agent, preliminary washing process is performed thus.

When preliminary washing process is finished, the water that draining valve 55 is opened and used in the preliminary washing process to bleed off, and feed water valve 53 is opened to supply water to predetermined water level once more.Among the step S32, by driving heater 57 feedwater heating and will spraying in the bowl dish through the water of heating, main washing process is performed thus.

When main washing process is finished, the water that draining valve 55 is opened and used in the main washing process to bleed off, and feed water valve 53 is opened to supply water once more.Among the step S34, the water by feedwater heating and utilization through heating, heating-rinse cycle is performed thus, to remove rubbish residual on bowl dish or cleaning agent.

At this moment, preferably heat water to the temperature (as about 80 ℃) of enough sterilizations.Therefore, rinsing and use disinfection with hot water can carry out simultaneously.

When preliminary washing process, main washing process and heating-rinse cycle are finished, in step S36, make the fan rotation by drive fan motor 59, with the water on air in the outside drain bucket and the removal bowl dish, dry run is performed thus.

Therefore, if washing process does not comprise disinfecting process, then preliminary washing process, main washing process, heating-rinse cycle and dry run are carried out in succession.

On the other hand, if the user selects to comprise the washing process of disinfecting process, in step S40, by carrying out repeatedly and stopping the bowl dish is sprayed the water that contains cleaning agent, preliminary washing process is performed thus.When preliminary washing process is finished, step S42, by driving heater 57 feedwater heating and spraying hot water to the bowl dish, main washing process is performed thus.When main washing process was finished, step S44 by the feedwater heating, utilized the heating-rinse cycle of hot water to be performed thus.When heating-rinse cycle was finished, at step S46, by drive fan motor 59 rotary fans, to put to the outside except that the water on air in the bucket and the removal bowl dish, dry run was performed thus.

When dry run is finished,,, drive uviol lamp 60 and fan motor 59 and reach a scheduled time (for example 25 minutes or more of a specified duration) at step S48 in order to give dry bowl dish sterilization and removal rubbish pleasant impression from the bowl dish.In other words, drive uviol lamp 60 with the Sterilizing bowl dish, and drive fan motor 59 makes the pernicious gas as ozone and so on of fan rotation to discharge the air in the bucket and may produce during disinfecting process, and remove peculiar smell.

Go over when the scheduled time that drives uviol lamp 60, uviol lamp 60 quits work, but at step S50, and fan motor 59 continues to be driven and reaches a scheduled time (for example about 35 minutes), fully serve as a bucket ventilation.

Accompanying drawing 3 is a cross-sectional side view, and it schematically shows dish-washing machine according to the preferred embodiment of the present invention.Same components for of the present invention dish-washing machine identical with the assembly of dish-washing machine in the prior art shown in the accompanying drawing 1 adopts identical Reference numeral, will omit its detailed description.

As shown in Figure 3, dish-washing machine comprises near be provided at the bucket 2 inner filtration devices 9 uviol lamp 10, is assemblied in the fan that is used for air in outside drain bucket 2 11 of door 1a and is used to control the controller (not shown) of ultraviolet disinfection process.

As shown in Figure 3, uviol lamp 10 is positioned near the bucket 2 inner filtration devices 9, yet can there be different changes the position of uviol lamp 10.Filter 9 filters out the dirt of picture rubbish and so on from water, wherein water is sprayed by washing arm 4, and is used for washing bowl dish.The ultraviolet ray that uviol lamp 10 is launched can arrive filter 9 and bucket 2 inside, thereby is they sterilizations simultaneously.

Door 1a goes up and forms gas channel 12, and fan 11 is arranged in gas channel 12.Fan 11 is owing to the driving force of fan motor is rotated.When fan 11 rotations, the air in the bucket 2 discharges.

10 work of controller control uviol lamp are with the Sterilizing bowl dish, and 11 work of control fan are to discharge peculiar smell and the pernicious gas in the bucket 2 to the outside.Because controller can be used for uviol lamp 10 work of ultraviolet disinfection according to the control method control of above description with reference to figure 7, control method repeats no more.

Fig. 4 is the cross-sectional view that the dish-washing machine of another preferred implementation according to the present invention is shown.Fig. 4 only shows the drive division that is configured in the bucket below.Entire infrastructure except the present embodiment drive division can be identical with the structure of front embodiment.On the other hand, the dish-washing machine of present embodiment does not comprise the uviol lamp 10 (referring to Fig. 3) in the embodiment before this.

As shown in Figure 4, dish-washing machine comprises: the tank 110 that is used for water storage; Be used for the washing pump 120 that draws water from tank 110; Have and be used to guide the housing assembly 130,140 and 150 of draw water to the aquaporin of washing arm; Be used to cover the lid 160 on water tank 110 tops; Be configured in the filter 170 in the water tank 110, it passes through lid 160 and is used to filter the water that drops on the lid 160 and guides the water that is filtered to enter tank 110; Be communicated to the drainage pump 180 of filter 170, it is used for the water to outside discharge water groove 110; Be configured near the uviol lamp 100 in filter 170 bottoms, it is used for sterilised filtration device 170; And the heater (not shown) that is configured in the heating that is used in the tank 110 to feed water.

Be formed with dirt in the tank 110 and hold storehouse 111.Dirt holds storehouse 111 and preferably places tank 110 bottoms.More preferably be, dirt holds storehouse 111 and tilts to drainage pump 180 at a certain angle, holds emissions in the storehouse 111 to drainage pump 180 so that will be collected in dirt.

Discharge-channel 112 is formed at dirt to be held between storehouse 111 and the drainage pump 180, so that they communicate with each other.Be formed with drainage storehouse 113 in the tank 110 and be used to dispose drainage pump 180.Preferably, dirt holds storehouse 111 and is communicated with drainage storehouse 113 by discharge-channel 112.Drain storehouse 113 and be furnished with the impeller (not shown).

Washing pump 120 comprises the impeller 122 that the washer motor 121 that is used to produce driving force and axle are coupled to washer motor 121.Washer motor 121 is arranged to make its driving shaft vertically to extend.Drainage pump 180 comprises drains motor (not shown) and impeller (not shown).Drain motor and be arranged to make its driving shaft horizontal-extending.

Housing assembly 130,140 and 150 comprises pump storehouse 131 that the impeller 122 of washing pump 120 is placed in one, be communicated with the

main channel

141 and 142 that pump storehouse 131 and its inside are equipped with the Flow Control storehouse 132 of flow control valve 190 and are used for the water in Flow Control storehouse 132 is caused washing arm.

Preferably pump storehouse 131 and Flow Control storehouse 132 are provided with at grade.The inner space that this helps to reduce the height of housing assembly 130,140 and 150 and increases tank 110.Preferably

main channel

141 and 142 is arranged on pump storehouse 131 and the Flow Control storehouse 132.This helps to reduce the area of housing assembly 130,140 and 150.

Here, will describe housing assembly in detail now.Housing assembly comprises lower bearing bracket 130 with pump storehouse 131 and Flow Control storehouse 132 and covers lower bearing bracket 130 tops and have the upper spider 140 of main channel 141 and 142.Lower bearing bracket 130 and upper spider 140 can form individual components as shown in Figure 4, also can form one each other.

Housing assembly can also comprise the connection frame 150 that covers upper spider 140 tops.The tube connector (not shown) that is connected to washing arm is coupled to and connects frame 150.Connect the coupling part (not shown) that forms on the frame 150 with the tube connector coupling.

Preferably, the lid 160 that covers tank 110 at a certain angle β tilt to filter 170.This helps to make the water that drops on the lid 160 and dirt inflow filter 170 easily.

Preferably on lid 160, form a plurality of filtering holes 161 so that the water after the filtration of a part flows directly in the bucket.More preferably be that the position outside housing assembly 130,140 and 150 is provided with filtering holes 161.This helps to reduce to greatest extent the pollution that the outer surface in housing assembly 130,140 and 150 is caused by addle.

Filter 170 has open bottom.The open bottom of filter 170 is coupled to dirt and is held storehouse 111.Preferably open with the bottom interval that dirt holds storehouse 111 bottom of filter 170.

One end difference is formed on the top that dirt holds storehouse 111, thereby the open bottom of filter 170 is supported by end difference.Discharge-channel 112 places dirt to hold under the end difference in storehouse 111.Therefore, dirt holds dirt in the storehouse 111 and is expelled to by discharge-channel 112 under the situation of not disturbing filter 170 and drains the storehouse.

Filter 170 comprises filter 176 and following filter 171.Last filter 176 and following filter 171 are coupled to lid 160 separably.Last filter 176 filters bigger rubbish, and filter 171 filters the less rubbish that is not filtered by last filter 176 down.Preferably, following filter 171 is coated with catalysis material.

Last filter 176 can be from the outstanding predetermined altitude of the upper surface of lid 160, so that the user can catch filter 176 easily and with its taking-up.On the other hand, have the structure that the user can take out easily if go up filter 176,176 of last filters can be outstanding from the upper surface of lid 160.

Uviol lamp 100 places down the bottom end vicinity of filter 171.Disinfection Effect changes along with the uviol lamp 100 ultraviolet positions of emission.It is the most effective when the bottom end vicinity of filter 171 and emission ultraviolet ray are to filter 170 under uviol lamp 100 is positioned at.Therefore, preferably uviol lamp 100 is arranged at the side that dirt holds storehouse 111.And uviol lamp 100 is tilted configuration in order to avoid pile up dirt thereon.

Flow control valve 190 comprises the rotating shaft 191 of the driving shaft that is coupled to control motor 200 and opens/closing plate 192 that it is configured in rotating shaft 191 tops and is formed with intercommunicating pore 192a.When open/during closing plate 192 rotation, plate 192 opens or closes main channel 141 and 142.Because

main channel

141 and 142 is positioned on the flow control valve 190, flow control valve 190 can form tabular.Simultaneously, because the pumping force of washing pump 120 acts on the top of flow control valve 190, pumping force makes flow control valve 190 deflection upper spiders 140, flow control valve 190 can be supported with being stabilized and does not tremble.

Preferably, the inner surface of tank 110 and

main channel

141 and 142 coated with nano ag material all.This is to prevent that bacterium is owing to the water that residues in tank 110 and

main channel

141 and 142 is bred because have the Nano Silver material of antibacterial effect.

Hereinafter, will be with reference to the operation of figure 8 description schemes dish-washing machine as above.Dish-washing machine is worked by water supply process, washing process, discharge process, heating-rinse cycle, drying/disinfecting process and deodorisation process.

At step S 110, the mode that water supply process is carried out is to make water and cleaning agent be supplied to tank 110.Water supply reaches predetermined water level.

Subsequently, carry out washing process at step S120.When driving washer motor 121, water inflow pump storehouse 131 and Flow Control storehouse 132 in impeller 122 rotations and the tank 110.At this moment, flow control valve 190 rotations are to be communicated with

main channel

141 and 142 to Flow Control storehouse 132.Flow control valve 190 can be opened in

main channel

141 and 142 selectively, perhaps can all open

main channel

141 and 142 simultaneously.And flow control valve 190 can replace opening and closing

main channel

141 and 142.

When

main channel

141 and 142 was opened, the water in the Flow Control storehouse 132 flowed into washing arm by

main channel

141 and 142, and sprays from washing arm.Therefore, increased, and almost the water of whole institute pumping only is used for washing a bowl dish owing to be sprayed onto the water yield of bowl dish, thus the washing pump 120 that has than low capacity can be used, and the consumption of water reduces considerablely.

After spraying out from washing arm and being used for washing bowl dish, water drops on the lid 160.Because lid 160 tilts to filter 170, the water and the dirt that drop on the lid 160 flow to filter 176.The water of a part directly flows to tank 110 by the filtering holes 161 of lid 160.

Last filter 176 filters relatively large rubbish, and filter 171 filters the relatively little rubbish that is not filtered by last filter 176 down.As a result, the water that has only dirt to be filtered flows into tank 110.

When washing process has continued preset time, when dirt leaches from water, the bowl dish is washed.Along with the continuity of wash time, the quantity as the dirt of rubbish and so on that is collected in the filter 170 increases gradually.

When washing process is finished, carry out discharge process at step S 130.When driving drainage pump 180, the water in the tank 110 holds storehouse 111 because the suction of drainage pump 180 passes down filter 171 inflow dirts.Then, water flow into to be drained storehouse 113 together with being collected in the dirt that dirt holds in the storehouse 111.Tilt to draining storehouse 113 because dirt holds storehouse 111, dirt can flow into smoothly drains storehouse 113.Water and the dirt drained in the storehouse 113 are discharged from by osculum and the drainpipe of draining storehouse 113.

When discharge process is finished, carry out rinsing (preferred heating-rinsing) process at step S140.The rinsing and the sterilization of preferred use hot water are carried out simultaneously.Water is heated to predetermined temperature by the heaters that are configured in the tank 110, and the water after the heating is injected into a bowl dish from washing arm, improves rinsing ability and Sterilizing bowl dish thus.Water preferably is heated to about 80 ℃ temperature.

When heating-rinse cycle was finished, water was discharged.Then, carry out drying/disinfecting process at step S 150.Here, sterilization is meant ultraviolet disinfection.

Uviol lamp 100 holds storehouse 111 sterilizations to filter 170 emission ultraviolet rays to filter 170 and dirt.Because the surface-coated of filter 176 has catalysis material down, catalysis material receives the ultraviolet ray of uviol lamp 100 emissions and generates relevant chemical reaction, to strengthen Disinfection Effect.Therefore, the following filter 176 of the residual small dirt of possibility can be sterilized more consumingly.

When disinfecting process is performed and after finishing, carry out deodorisation process at step S160.Be configured in the fan rotation on the hatch door, may be to get rid of at the pernicious gas as ozone and so on of uviol lamp duration of work generation.Here, deodorisation process is meant the ventilation process.

Clearly be to make various modifications and distortion in the present invention and can not deviate from the spirit or scope of the present invention for a person skilled in the art.So, as long as drop in the scope of claims and its equivalents, the present invention is intended to cover the modification and the distortion of this invention.

Industrial applicibility

Dish-washing machine according to the present invention has following architectural feature, and it comprises can be for dish washer interior sterilization Ultra violet sterilizer and can discharging may result from the pernicious gas during the disinfecting process. Fan is also outside Air in section's discharging bucket, this has just removed the peculiar smell in the dish-washing machine.

Because dish washer interior (particularly bucket or filter) can be sterilized, the bowl dish can wash cleanly Again health, and dish washer interior can be kept hygienic state.

And when sterilization that carry out to use simultaneously hot water and ultraviolet disinfection, Disinfection Effect is because separately sterilization The defective of method is remedied and is enhanced.

Certainly, the present invention can be applied to have or do not have the dissimilar dish-washing machine of filter equally.

Claims

1, a kind of dish-washing machine, it comprises:

Be used to launch the ultraviolet emission device of ultraviolet ray at least a portion sterilization of dish washer interior;

The fan that is used for gas in the outside drain bucket; And

Be used to control the controller of ultraviolet emission device and fan running, so that fan at least a portion in ultraviolet emission device operation process turned round in the time.

2, dish-washing machine as claimed in claim 1, wherein said controller is controlled the running of described fan, so that fan turns round the scheduled time when the running of ultraviolet emission device is finished.

3, dish-washing machine as claimed in claim 1, wherein said ultraviolet emission device is the emission ultraviolet ray in the bucket of taking in bowl dish.

4, dish-washing machine as claimed in claim 3 also comprises:

Be used to survey the sniffer that washes the open and close of cabin door, wherein said controller is controlled described ultraviolet emission device running predetermined amount of time, and

When described controller judges door unlatching and when cutting out before the described scheduled time finishes, described controller is controlled described ultraviolet emission device and is stopped and finishing running.

5, dish-washing machine as claimed in claim 1 also comprises:

The heater that is used for the water that heating disinfection uses; And

Be used to spray the injection apparatus of the water that heats by described heater.

6, dish-washing machine as claimed in claim 1 also comprises:

The filter that is used for filtered water,

Wherein said ultraviolet emission device is to described filter emission ultraviolet ray.

7, the also emission ultraviolet ray in bucket of dish-washing machine as claimed in claim 6, wherein said ultraviolet emission device.

8, dish-washing machine as claimed in claim 6, wherein said ultraviolet emission device are configured in described filter below.

9, dish-washing machine as claimed in claim 8, wherein said ultraviolet emission device is tilted configuration.

10, dish-washing machine as claimed in claim 1 also comprises:

Be used to select the process selector button of washing process; And

Be used to use the ultraviolet emission device to carry out the sterilization selector button of sterilization.

11, dish-washing machine as claimed in claim 1 also comprises:

Be used for selecting one process selector button of a plurality of washing process,

In wherein said a plurality of washing process at least one comprises the disinfecting process that uses the ultraviolet emission device.

12, a kind of method of controlling dish-washing machine, it may further comprise the steps:

Wash the bowl dish that is accommodated in the bucket with water;

The bowl dish that rinsing was washed;

Use through the water of heating and sterilize as the bowl dish; And

By using at least a portion sterilization of ultraviolet ray to dish washer interior.

13, method as claimed in claim 12, further comprising the steps of:

Dry bowl dish; And

Be performed at least a portion in process air in the outside drain bucket in the time by the step of using disinfection by ultraviolet light.

14, method as claimed in claim 13, the step of wherein said discharged air are further carried out after finishing by the step of using disinfection by ultraviolet light and are reached the scheduled time.

15, method as claimed in claim 14, wherein

When the step of described discharged air is finished through a scheduled time after, the step by using disinfection by ultraviolet light and the step of deaeration are carried out once more.

16, a kind of method of controlling dish-washing machine, it may further comprise the steps:

Wash the bowl dish that is accommodated in the bucket with water;

The described bowl of the water rinse dish that is used to sterilize by use through heating;

The bowl dish of dry rinsing;

By using ultraviolet ray the bowl dish is sterilized; And

Be performed in the process and the air in the outside drain bucket after the step of use disinfection by ultraviolet light is finished in the step of using disinfection by ultraviolet light.