KR20060011277A - Dishwasher and his driving control method - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher, and more particularly, to a new type of dishwasher and a method of operating the same, which acquire information of each dish put into the washing room in a non-contact manner and perform an optimal dishwashing operation according to the information. will be.

To this end, the present invention comprises a main body having a washing room for automatic washing of each tableware; A reading unit for acquiring washing-related information from the information tag of each tableware storing various kinds of information related to the tableware; And, the control unit for performing the operation setting of each configuration for proceeding the washing operation by receiving the washing-related information of the entire tableware put into the washing room from the reading unit, and controls the washing operation to proceed based on the set content includes: A dishwasher characterized in that is provided.

In addition, the present invention is a first step of acquiring various information related to the tableware from each information tag of the plurality of dishes put into the washing room through the reading unit; A second step of setting a washing operation based on the obtained various information; In addition, a third step of performing washing on the dishes in the washing room according to the set washing operation is provided, the operation control method of the dishwasher is provided.

Dishwasher, RFID tag, RFID reader, soak stroke, wash stroke, detergent notification

Description

Dishwasher and its driving control method {dishwasher and method

1 is a front sectional view schematically showing the internal structure of a typical dishwasher

Figure 2 is a front sectional view schematically showing the internal structure of the dishwasher according to an embodiment of the present invention

3 is a flowchart schematically illustrating a method for controlling operation of a dish washer according to a first embodiment of the present invention.

4 is a flowchart schematically illustrating a method for controlling operation of a dish washer according to a second embodiment of the present invention.

5 is a flowchart schematically illustrating a method for controlling operation of a dish washing machine according to a third embodiment of the present invention.

Explanation of symbols for main parts of the drawings

110. Main Unit 111. Cleaning Room

120. Sump 130. Centrifugal Pump

141. Bottom Wash Nozzle 142. Top Wash Nozzle

150. Seating Rack 160. Drainage Pump

170. Reader 180. Controller

190. Notification unit 200. Information tag

The present invention relates to a dishwasher, and more particularly, a new type of dishwasher, which automatically acquires various information about a dish which is put into the washing machine for automatic washing, so that optimal washing operation can be automatically performed. It relates to a driving control method thereof.

Generally, dishwashers are appliances which perform automatic washing and drying of used dishware.

1 is a schematic diagram illustrating an internal structure of the above-described conventional dishwasher.

That is, a conventional general dishwasher largely includes the main body 10, the sump 20, the centrifugal pump 30, the washing nozzles 41 and 42, the seating rack 50, and the drain pump 60. It is configured to include.

The main body 10 forms a washing chamber 11 in which the dishes 1 are washed.

The sump 20 collects the washing water, and serves to provide the collected washing water to the centrifugal pump 30.

At this time, the washing water inlet side of the sump 20 is provided with a filter 21 for filtering the incoming washing water.                         

In addition, the centrifugal pump 30 is connected to the sump 20 and serves to pump the washing water collected in the sump 20 to the washing nozzles 41 and 42.

In addition, the washing nozzles 41 and 42 include a lower washing nozzle 41 installed at the lower side of the washing chamber 11 and an upper washing nozzle 42 installed at the upper side of the washing chamber 11. do.

At this time, the washing nozzles 41 and 42 are operated to wash the dishes 1 by spraying the washing water provided from the centrifugal pump 30 in the upper and lower spaces of the washing chamber 11.

In particular, the washing nozzles 41 and 42 are rotatably installed, and a plurality of spray holes (not shown) are formed on the surface thereof, respectively, and are driven to rotate the washing nozzles 41 and 42. Drive motors (not shown) are coupled.

In addition, the seating rack 50 is a shelf on which various dishes 1 are mounted, and is provided on the upper space and the lower space of the washing chamber 11, respectively.

In addition, the drain pump 60 serves to drain the washing water flowing down to the bottom of the washing chamber after being used for washing the dish during the drain stroke, and is installed in communication with the sump 20.

Therefore, when operation control is performed in a state in which the dishes 1 are seated on each of the seating racks 50, the washing water is supplied to the sump 20.

In addition, the washing water collected in the sump 20 while the centrifugal pump 30 is driven is provided to each of the washing nozzles 41 and 42.                         

Thereafter, the washing water provided to each of the washing nozzles 41 and 42 is sprayed toward the dish 1 seated on each of the seating racks 50 in the washing chamber.

In addition, at this time, since the washing nozzles 41 and 42 are rotated, the washing efficiency of the dish 1 is further improved.

However, since the conventional dishwasher as described above is controlled to perform washing only by a constant operation regardless of the type of the dish 1, it is difficult to cope with washing of the various dish 1.

That is, according to the use of the tableware, whether or not to perform the rinsing operation of the wash water, the setting of the time for the washing process, the setting for the reuse of the wash water, etc. should be differentially determined. As the cleaning of 1) proceeded, the cleaning efficiency was lowered.

Of course, depending on the type of dishwasher may be configured to select the above washing conditions directly by the user, this also has the problem of providing inconvenience to the user's operation.

The present invention has been made to solve the above problems of the prior art, an object of the present invention is to obtain information about each dish put into the washing room in a non-contact manner, the optimal dish washing can be made according to the information It is intended to provide a new type of dishwasher and its driving control method.

In addition, it is an object of the present invention to provide an operation control method to improve the washing effect by the soaking process is carried out before the washing stroke when it is confirmed that the dishes containing food having a high possibility of fixing.

Embodiments of the present invention for achieving the above object is a main body having a washing room for automatic washing of each tableware; A reading unit which acquires the washing related information stored in the information tag while transmitting and receiving a signal with the information tag of each tableware storing various kinds of information related to the tableware; And, receiving the washing-related information of all the dishes put into the washing room from the reading unit, using the provided washing-related information to perform the operation setting of each configuration for the progress of the washing operation, washing based on the set contents A control unit for controlling the operation to proceed is provided.

In addition, the operation control method according to a first embodiment of the present invention for achieving the above object comprises a first step of acquiring various information related to the tableware from each information tag of a plurality of tableware put into the washing room through the reading unit; A second step of setting a washing operation based on the obtained various information; In addition, a third step of performing washing on dishes in the washing room according to the set washing operation is included.

In addition, the operation control method according to a second embodiment of the present invention for achieving the above object is a first step of obtaining information on the use of the tableware from each information tag of the plurality of dishes put into the washing room through the reading unit ; A second step of determining whether to perform a soaking stroke before the washing stroke based on the obtained information; In addition, according to the determined content, the third step of performing a washing stroke or performing a washing stroke after the non-singing stroke is performed is characterized in that it is sequentially performed.

In addition, the operation control method according to a third embodiment of the present invention for achieving the above object is a first step of obtaining information on the use of the tableware from each information tag of the plurality of dishes put into the washing room through the reading unit ; Confirming the most preferable type of detergent used in the washing stroke based on the obtained information; In addition, a third step of notifying the user of details of the identified types of used detergents is included.

Hereinafter, the present invention will be described in detail with reference to FIGS. 2 to 5 showing preferred embodiments of the above-described embodiments of the present invention and preferred embodiments of the operation control method of the present invention.

First, as shown in the accompanying cross-sectional view of FIG. 2, the dishwasher according to the embodiment of the present invention is largely the main body 110, the sump 120, the centrifugal pump 130, the washing nozzles (141, 142) and the seating rack ( 150, a drain pump 160, a reading unit 170, and a controller 180.

The main body 110 forms a washing chamber 111 in which the washing of the tableware 1 is performed therein.

In addition, the sump 120 collects the washing water, and serves to provide the collected washing water to the centrifugal pump 130.

In addition, the centrifugal pump 130 is connected to the sump 120 and serves to pump the washing water collected in the sump 120 to the washing nozzles 141 and 142.

The washing nozzles 141 and 142 may include a lower washing nozzle 141 installed at a lower side of the washing chamber 111 and an upper washing nozzle 142 provided at an upper side of the washing chamber 111.

At this time, the washing nozzles 141 and 142 are operated to wash the dishes 1 by spraying the washing water provided from the centrifugal pump 130 in the upper and lower spaces of the washing chamber 111.

In particular, each of the washing nozzles 141 and 142 is rotatably installed, and a plurality of injection holes (not shown) are formed on the surface thereof, respectively, and a driving motor driven to rotate the washing nozzles 141 and 142, respectively. Are omitted).

In addition, the seating rack 150 is a shelf on which various dishes 1 are mounted, and is provided on the upper space and the lower space of the washing room 111, respectively.

In addition, the drain pump 160 serves to drain the washing water that flows down to the bottom of the washing chamber 111 after being used for washing the dish 1 during a drain stroke, and communicates with the sump 120. Is installed.

In addition, the reading unit 170 performs a role of acquiring information from the information tag 200 while transmitting and receiving a signal with the information tag 200 attached to each dish 1.

In particular, it is preferable that each of the portions of the main body 110 is provided on a path into which the dish 1 is introduced into the washing chamber 111.

Of course, the reading unit 170 is not shown so as to prevent the penetration of the washing water, but is more preferably installed to wrap in a separate case or sealing member.

At this time, the information tag 200 attached to each of the dishes 1 stores various kinds of information related to the dishes 1, and transmits information and transmits new information through signal transmission and reception with the reading unit 170. This tag can be stored.

The information tag 200 as described above is an RFID (Radio Frequency Identification) tag that can record additional information.

The reader 170 may be an RFID reader that receives information from the RFID tag or records new information in the RFID tag while exchanging a signal with the RFID tag.

Of course, the information tag 200 may be formed as a bar code, and the reading unit 170 may be configured as a bar code reader, and other various structures capable of exchanging information by other contactless methods may be configured. It may be.

In particular, the information tag 200 may be attached to the tableware 1 in the process of manufacturing the tableware 1, or may be attached to each tableware 1 by a user.

In addition, the various information stored in the information tag 200 of each tableware includes information on any one of the form and use of the tableware 1.

At this time, the information tag 200 further includes at least one or more information of preferred washing progress conditions of the tableware 1, that is, washing progress time, washing progress temperature, pressure of washing water, amount of washing water, and type of detergent used. This is preferred.

The controller 180 performs driving control on each component of the dish washing machine.

In particular, the control unit 180 acquires the washing-related information of the entire tableware 1 introduced into the washing room 111 from the reading unit 170.

In addition, the operation setting of each configuration for the progress of the washing operation is performed by using the acquired washing related information, and the washing operation is controlled based on the set contents.

At this time, each of the components in which the operation setting is performed for the progress of the washing operation by the control unit 180 of the centrifugal pump 130, the drain pump 160, and the drive motor (not shown) At least one or more configurations are included.

In addition, the dishwasher according to the embodiment of the present invention preferably further includes a notification unit 190 for notifying the user of various confirmation information.

In this case, the notification unit 190 includes at least one of a display screen capable of displaying information, such as an LCD window, and a speaker capable of outputting audio.

Hereinafter, an operation control method according to the first embodiment of the present invention using the dish washing machine having the above-described structure will be described in more detail according to the operation sequence with reference to the flowchart of FIG. 3.

First, when a plurality of dishes 1 to be washed are put into the washing room 111, the reading unit 170 is controlled from each information tag 200 of each dish 1 by the control of the controller 180. Various information related to the tableware 1 is acquired (S110).

At this time, the reading unit 170 acquires the relevant information of the tableware 1 stored in the information tag 200 while exchanging a signal with the information tag 200 of each tableware 1 in a non-contact manner. Done.

The information of the tableware 1 acquired by the reading unit 170 includes information on any one of a form of the tableware 1 and a main use purpose.

When the acquisition of the information is completed, the controller 180 receives the acquired information from the reading unit 170 (S120) and sets the washing operation based on the provided information (S130).

At this time, the setting of the washing operation is configured for each control (eg, centrifugal pump 130, drain pump 160, drive motor, etc.) for the control of the pressure of the washing water according to the use of the tableware, the overall washing time, etc. This is done by setting the operation of) and setting whether to reuse the wash water.

The setting of reuse of the washing water may be performed when the use of each tableware is determined by the tableware 1 (for example, a cooking container or a tableware mainly used for storing oily foods) containing highly contaminated food. The used wash water is set such that the timing of operation of the drain pump 160 is controlled so as not to be reused.

Of course, in the above-described process of setting the washing operation, it is more preferable that the amount of detergent used for washing is set together.

Then, when the setting of the washing operation by the above-described series of processes is completed, the controller 180 controls to proceed with the washing of the dishes 1 in the washing room 111 through the control of each component constituting the dishwasher. (S140).                     

On the other hand, in the series of operation control process according to the first embodiment of the present invention as described above, when performing the washing operation, the control unit 180 may further set whether or not to perform the soaking stroke before the washing stroke. This is preferred.

This is because, in the case of the dish 1 containing food having a high possibility of fixation, such as a rice bowl, it is possible to increase the washing effect of the dish by first performing a call on the dish 1 before the washing stroke is performed.

Therefore, the second embodiment of the present invention is characterized in that the so called stroke can be performed through a series of processes as shown in the accompanying flowchart of FIG. 4.

That is, the information on the use mainly used among the information of each tableware 1 acquired by the reading unit 170 is checked (S210), and the tableware containing the food having a high possibility of fixing the kind of the tableware 1 identified above. If it is (1) is set so that the soaking stroke can be performed for a predetermined time after spraying only the washing water before the washing stroke proceeds (S220).

It is more preferable that the use of the detergent is controlled while the soaking stroke is in progress.

In addition, the controller 180 controls each component so that the washing stroke is performed according to the set contents (S230) and the washing stroke is performed (S140).

If the type of the tableware 1 is determined to be the tableware 1 containing food having a low possibility of fixation, the washing step is set to proceed without performing the soaking step.

On the other hand, the operation control of each component due to the nature of the dishwasher may be automatically performed by the controller 180.                     

However, the type of detergent according to the main use of each tableware 1 is difficult to be changed automatically.

Of course, if you have a detergent container (not shown) that can be separated and contained all kinds of detergents can be controlled to automatically change the type of detergent used during the cleaning.

However, considering that a conventional dishwasher is provided with only a single detergent container, the selection and input of the detergent is made by the user.

Therefore, in the related art, since only the same detergent is used regardless of the type of dishes, the practical cleaning efficiency is deteriorated.

Accordingly, the third embodiment of the present invention is characterized in that the most suitable detergent for washing the dishes can be made by utilizing the structure according to the embodiment of the present invention to the maximum.

This is preferable to proceed to a series of processes, such as the flow chart of Figure 5 attached.

That is, the information about the use of the dish 1 is obtained from each information tag 200 of the plurality of dish 1 that is put into the washing room through the reading unit 170 (S310), which is the most preferable use in the washing operation. Check the type of detergent (S320).

Thereafter, the details of the identified types of the used detergent are notified to the corresponding user (S330).

At this time, the details of the type of the detergent used may be a detergent for washing the general tableware 1, a detergent for removing oil components, a detergent for sterilization or disinfection, and the like.

In addition, the method of notifying the user of the details of the type of detergent used may be performed by displaying the details on the display screen of the notification unit 190, or may be performed through a voice output through a speaker. have.

As described above, according to the dishwasher and its operation control method according to an embodiment of the present invention has the effect that the washing stroke can be carried out in the optimum washing conditions by checking the washing-related information of each dish using a non-contact method. .

In particular, the cleaning effect can be further improved by performing the soaking stroke or notification of the use of the detergent according to the main use of each dish.

Claims (16)

A main body 10 having a washing room for automatic washing of each tableware; A reading unit which acquires the washing related information stored in the information tag while transmitting and receiving a signal with the information tag of each tableware storing various kinds of information related to the tableware; And, Receiving the washing-related information of all the dishes put into the washing room from the reading unit, and performs the operation setting of each configuration for the washing operation progress using the provided washing-related information, the washing operation is based on the set contents A control unit for controlling to proceed: a dishwasher, characterized in that it comprises. The method of claim 1, The information tag is a RFID (Radio Frequency Identification) tag that can record additional information, And the reading unit is an RFID reader which receives information from the RFID tag or records new information in the RFID tag while exchanging a signal with the RFID tag. The method of claim 1, The cleaning information above Dishwasher, characterized in that it includes information on any one of the type of the dish and the intended use. The method of claim 1, The reading unit Dishwasher, characterized in that provided on the path of the tableware is put into the washing room of the respective parts of the main body (10). The method of claim 1, In each configuration in which the operation is set by the controller, A centrifugal pump 30 driven to provide the washing water collected in the sump 20 to the washing nozzles 41 and 42, a drain pump 60 driven to drain the used washing water, and the washing nozzles 41 and 42. At least one of the drive motor for driving the dishwasher characterized in that it comprises a. A first step of acquiring various information related to the tableware from each information tag of the plurality of tableware put into the washing room through the reading unit; A second step of setting a washing operation based on the obtained various information; And, And a third step of performing washing on the dishes in the washing room according to the set washing operation. The method of claim 6, Various information acquired in the first step Method for controlling operation of the dishwasher, characterized in that it comprises at least one or more of the main use of the dish and information related to the washing. The method of claim 6, The setting of the washing operation in the second step Method for controlling operation of the dishwasher, characterized in that it comprises at least one of setting whether or not to perform the soak stroke, setting for the washing progress time, setting whether or not to reuse the wash water. The method of claim 8, Whether or not to perform the soaking stroke If the type of the dish identified through the first step is confirmed to be a dish containing food with a high possibility of fastening (固 着), the operation control method of the dishwasher characterized in that the soak stroke is set to be performed before performing the washing stroke . The method of claim 8, The setting for the washing progress time is When the type of the dish identified through the first step is a dish containing food having a high probability of fixation, the washing progress time is set to be long. The method of controlling the operation of the dishwasher, characterized in that the washing progress time is set to be short when the type of the dish identified through the first step is a dish containing food with a low probability of fixation. The method of claim 8, Setting whether or not to reuse the wash water If the type of the dish identified through the first step is a dish containing food with high contamination of the wash water, the operation control method of the dishwasher, characterized in that the washing water is set not to be reused. A first step of acquiring information on a use purpose of the tableware from each information tag of the plurality of tableware put into the washing room through the reading unit; A second step of determining whether to perform a soaking stroke before the washing stroke based on the obtained information; And, And a third step of performing a washing stroke after performing the soaking stroke or performing the non-simmering stroke according to the determined contents. The method of claim 12, Whether or not to perform the soaking stroke The operation control method of the dishwasher, characterized in that performed by checking whether the type of the dish identified through the first step is a dish containing food with a high possibility of fixation, or a dish containing food with a low probability of fixation. A first step of acquiring information on a use purpose of the tableware from each information tag of the plurality of tableware put into the washing room through the reading unit; Confirming the most preferable type of detergent used in the washing stroke based on the obtained information; And, And a third step of notifying the user of details of the identified types of used detergents, wherein the operation is controlled. The method of claim 14, The method of notifying the details to the user is performed by displaying on a display screen operation control method of the dishwasher. The method of claim 14, The method of notifying the details to the user is the operation control method of the dishwasher, characterized in that notified by voice output through the speaker.

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