KR102069887B1 - Water supply and drainage control device for preventing overload and deterioration by continuous operation - Google Patents

Abstract

A water supply and drain control device for a dishwasher according to an embodiment of the present invention can include: a sensor unit which senses washing-related information required to determine a washing mode; a control unit which automatically calculates the washing mode based on the information sensed by the sensor unit and controls washing operation and water supply and drain operation to which the calculated washing mode is applied; a water supply and drain valve including a water supply valve controlled according to the control unit for supplying water to the water tank of the dishwasher and a drain valve controlled according to the control unit for draining water contained in the water tank of the dishwasher; and a washing module which performs ultrasonic wave generation operation for washing an object to be washed in response to the washing mode set under the control of the control unit.

Description

Water supply and drainage control device for preventing overload and deterioration by continuous operation}

The present invention relates to a water supply and drainage control device of the dishwasher. Specifically, the present invention relates to an apparatus for automatically controlling a water supply and drainage function according to a washing state in a dishwasher.

In general, in order to wash the dishes, a predetermined amount of washing water is filled in a washing tank formed in the sink, and then the dishes are washed with detergent. However, in this case, since a large amount of detergent is used, there is a fear of contaminating the sewage.

In addition, since detergent may remain in the dish, in consideration of this, an ultrasonic cleaner for washing dishes, fruits, and vegetables using ultrasonic waves has recently been developed and used.

The ultrasonic cleaning apparatus includes a water tank capable of accommodating washing water, dishes, fruits, and vegetables, and an ultrasonic generator installed in the water tank to apply ultrasonic waves to the dishes, fruits, and vegetables housed in the washing container.

In the case of the dishwasher using the ultrasonic wave, since the washing operation is performed while the object to be washed is immersed in the washing water, there is a problem that the object to be washed may be recontaminated according to the degree of contamination of the washing water.

On the other hand, there is a related patent publication No. 10-2006-0101090.

The present invention has been made to solve the above problems, the object of the present invention is to evaluate the degree of contamination of the wash water in real time, and if it is determined that the overcontamination, it is an object to make an effective washing operation by controlling to drain.

In addition, an object of the present invention is to calculate a suitable washing mode in response to information about the type of wash water, such as the type of wash water, and to perform the washing and draining operations accordingly, thereby reducing the waste of resources and increasing the washing effect. There is this.

The apparatus for controlling the water supply and drainage of the dishwasher according to the embodiment of the present invention automatically calculates and calculates a washing mode based on the sensor unit sensing the washing related information required to determine the washing mode, and the information sensed by the sensor unit. The controller controls the washing operation and the water supply and drainage operation to which the washing mode is applied, the water supply valve controlled according to the control unit for supplying water to the water tank of the dishwasher and the water to be drained in the water tank of the dishwasher. A water supply and drain valve including a drain valve and a washing module for performing an ultrasonic wave generation operation for washing the wash water in response to the washing mode set under the control of the controller.

The present invention enables the dishwasher to automatically control the water supply and drainage in response to the type of washing and the washing conditions, thereby enabling to perform an effective cleaning operation as well as to prevent problems such as unintentional flooding of the washing water. have.

In addition, the present invention has the effect of measuring the contamination of the washing water and correspondingly prevent recontamination of the dishes by the washing water through the drainage of the over-contaminated washing water.

1 is a view showing the appearance of a dish washer according to an embodiment of the present invention.
2 is a view showing an example of the drainage of the dishwasher according to an embodiment of the present invention.
3 is a block diagram showing the configuration of a dish washer according to an embodiment of the present invention.
4 is a block diagram illustrating a configuration of a mode determination unit according to an exemplary embodiment of the present invention.
5 is a block diagram showing the detailed configuration of the automatic water supply and drainage processing unit according to an embodiment of the present invention.
6 is a flowchart illustrating a sequence of a water supply and drainage control operation of the dishwasher according to the embodiment of the present invention.

As the present invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description.

However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements.

When a component is said to be 'connected' or 'connected' to another component, it may be directly connected to or connected to that other component, but it may be understood that another component may exist in between Should be. On the other hand, when a component is referred to as being 'directly connected' or 'directly connected' to another component, it should be understood that no other component exists in the middle.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms 'comprise' or 'have' are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

1 is a view showing the appearance of a dish washer according to an embodiment of the present invention.

As shown in FIG. 1, the dishwasher 10 according to an embodiment of the present invention may include a wash to be washed and a water tank containing water used to wash the wash. One side of the water tank or one side of the dishwasher housing may be provided with a display unit 140 for displaying an operation state of the dishwasher and information input to the dishwasher. In addition, one side of the tank or one side of the dishwasher housing may be provided with an input unit 130 including at least one key for receiving a power input of the dishwasher and a user input for controlling a specific operation of the dishwasher.

2 is a view showing an example of the drainage of the dishwasher according to an embodiment of the present invention.

As shown in FIG. 2, the dishwasher 10 according to the embodiment of the present invention may include a tub 20 and a pipe 20 through which the water 20a contained in the tub 20 is drained, wherein the drain tube is controlled under the control of the controller. It is connected to the distribution valve 170a, the first drain pipe 30 having the same, the second drain pipe 30b connecting the first drain pipe and the bottom of the water tank, and the first drain pipe, and when the wash water contained in the water tank overflows the predetermined level, It may be configured to include a third drain pipe 30a through which water is introduced. The third drain pipe 30a (overflow pipe) may be formed with a sensor that can determine whether the overflowed washing water is introduced, the inflow duration, and the like, according to various embodiments.

3 is a block diagram showing the configuration of a dish washer according to an embodiment of the present invention.

Dishwasher according to an embodiment of the present invention may be configured to include a water supply and drainage control device and a housing in the form of a tank designed to hold water and dishes. 3, the apparatus for controlling the water supply and drainage of the dishwasher according to the embodiment of the present invention includes a communication unit 110, a storage unit 120, an input unit 130, a display unit 140, a sensor unit 150, a controller 160, a water supply and drainage valve 170, and a washing module. It may be configured to include 180.

The communication unit 110 may include a transmitter and a receiver, and the transmitter and the receiver may be configured to transmit and receive data or a signal with a user terminal and other peripheral devices. In addition, the communication unit 110 may include a wireless Internet communication module such as WiFi, Wibro, and a short range communication module such as NFC or Bluetooth.

The communication unit 110 according to an embodiment of the present invention may receive a signal for controlling the operation of the dishwasher transmitted from an external device. For example, the communication unit 110 may receive a signal transmitted from a remote controller based on an infrared communication, NFC communication, or the like in order to control an operation of the dishwasher.

The storage unit 120 may include a volatile and / or nonvolatile memory. The storage unit 120 may store, for example, instructions or data related to at least one other component of the dishwasher. According to an embodiment, the storage unit 120 may store software and / or a program. The program may include, for example, an application programming interface (API), and / or an application program (or "application"). The storage unit 120 may store at least one or more instructions for controlling the dishwasher to perform a specific function by the controller 160.

The storage unit 120 according to an embodiment of the present invention may store information for determining the type of the washing water put into the tank, information required for determining the quantity of the washing water, and the like. In addition, the storage unit 120 according to the embodiment may store various washing mode information, and may store and store operation information (hereinafter, referred to as washing mode operation information) that each washing mode means. For example, the washing mode operation information may include information that one washing mode performs three washings and an operating mode in which a washing operation is performed for 10 minutes at a time. As described above, the washing mode operation information stored by the storage unit 120 may include washing counts (number of times of draining water) and washing time related information performed by each washing mode. In addition, the washing mode operation information may further include information on washing strength, washing water temperature, and the like.

The input unit 130 may include, for example, a touch panel, a pen sensor, a key, or an ultrasonic input device The touch panel 252 may be, for example, At least one of capacitive, resistive, infrared, or ultrasonic methods may be used, and the touch panel may further include a control circuit, and the touch panel may further include a tactile layer. It can provide a tactile response to the user.

According to an embodiment of the present disclosure, the input unit 130 may receive a key input input by a user, and according to various embodiments, the input unit 130 may receive a touch input from a user. In detail, the input unit 130 may receive information input by the user in connection with the use of the washing machine corresponding to the type of washing water contained in the tank, the food information of the dishes, and the like.

The display unit 140 may include a panel, a hologram device, or a projector. The panel may, for example, be implemented to be flexible, transparent, or wearable. The panel may be composed of a touch panel and one module. The hologram device may show a stereoscopic image in the air by using interference of light. The projector may display an image by projecting light onto a screen. The screen may be located, for example, inside or outside the electronic device. According to an embodiment, the display unit may further include a control circuit for controlling a panel, a hologram device, or a projector.

The display unit 140 according to an embodiment of the present invention may perform an operation of displaying an operation state of a dishwasher, items input from a user, and the like. For example, the display unit 140 may display information on a washing mode calculated and applied according to a result of sensing information about washing water in the dishwasher, and text or drainage or water supply situation indicating that the drainage or water supply situation is being performed. You can display text indicating that this will be done soon. According to various embodiments of the present disclosure, the display unit 140 may display detailed information such as the number of remaining washings and the time remaining until the washing is completed.

For example, the sensor unit 150 may measure a physical quantity or detect an operation state of the electronic device to convert the measured or detected information into an electrical signal. The sensor unit 150 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor (eg, RGB (red, green, blue) sensor), a biometric sensor. , At least one of a temperature / humidity sensor, an illuminance sensor, and an UV (ultra violet) sensor. In addition or alternatively, the sensor unit may be, for example, an olfactory sensor, an electromyography sensor, an electroencephalogram sensor, an electrocardiogram sensor, or an infrared (IR) sensor. Sensors, iris sensors, and / or fingerprint sensors. The sensor unit may further include a control circuit for controlling at least one or more sensors belonging therein. In some embodiments, the electronic device may further include a processor configured to control the sensor unit as part of or separately from the processor to control the sensor unit while the processor is in a sleep state.

The sensor unit 150 according to an embodiment of the present invention may sense a plurality of cleaning related information required to determine a cleaning mode. For example, the sensor unit 150 may sense the level of water in the tank. In addition, the sensor unit 150 may sense the degree of contamination of the water contained in the tank according to an embodiment of the present invention. In addition, the sensor unit 150 may include a sensor for sensing information such as a sensing operation for determining whether the washing water contained in the tank is a dish or food material, a temperature of the water in the tank, the quantity of the washing water, and the like.

The controller 160 may also be referred to as a processor, a controller, a microcontroller, a microprocessor, a microcomputer, or the like. On the other hand, the control unit may be implemented by hardware (hardware) or firmware (firmware), software, or a combination thereof.

In the case of implementation by firmware or software, an embodiment of the present invention may be implemented in the form of a module, procedure, function, etc. that performs the functions or operations described above. The software code may be stored in a memory and driven by the controller. The memory may be located inside or outside the user terminal and the server, and may exchange data with the controller by various known means.

According to an embodiment of the present disclosure, the controller 160 may automatically calculate a washing mode based on the information sensed by the sensor unit 150, and perform a washing operation and a drainage operation using the calculated washing mode.

The controller 160 may include a mode determiner 161, a wash performer 162, and an automatic water supply and drainage processor 163.

The mode determination unit 161 may perform an operation of setting a washing mode of the dish washing machine. According to various embodiments of the present disclosure, different types of automatic water supply and drainage operations may be set in the washing mode set by the mode determining unit 161. For example, the one washing mode set by the mode determining unit 161 may be a mode for automatically setting the water supply and the draining three times each time, and the other one washing mode controls to drain the water when the water level of the water tank is higher than a specific level. It may be a mode to maintain a constant water level. As such, the apparatus for controlling the water supply and drainage of the dishwasher according to various embodiments of the present disclosure may select a specific washing mode by the mode determination unit 161 and perform an automatic water supply and drainage operation corresponding to the selected mode.

The mode determination unit 161 may select the most suitable washing mode based on the situation information detected by the sensor unit 150 of the dish washing machine and the situation information directly input by the user. The situation information detected by the sensor unit 150 may correspond to, for example, the type of washing water (eg, whether it is dishware or food ingredients), the quantity of washing water, and the like. The situation information input by the user may include, for example, information on the type of food containing the dish to be washed. A detailed description of the mode determination unit 161 will be described with reference to FIG. 4.

The washing performing unit 162 may perform a washing operation corresponding to the washing mode selected by the mode determining unit 161. The washing execution unit 162 may control a function of the washing module 180 to perform a washing related operation. In this case, the washing-related operation may include an ultrasonic generation operation, a detergent administration operation, a hydraulic pressure control operation, a water temperature control operation, and a washing frequency control operation.

The water supply and drainage processor 163 may perform a water supply and drainage operation corresponding to the washing mode selected by the mode determination unit 161. The water supply and drain processing unit 163 will be described with reference to FIG. 5.

And the water supply and drainage control apparatus of the dish washing machine according to an embodiment of the present invention may include a water supply and drain valve 170 and the washing module 180. The water supply and drain valve 170 may be composed of a water supply valve and a drain valve, the water supply valve is installed in the water supply pipe can control the amount of water flowing into the dishwasher tank under the control of the control unit 160, the drain valve is installed in the drain pipe and the control unit Under the control of 160 it is possible to adjust the amount of water drained from the water tank of the dishwasher.

The washing module 180 may perform an overall operation for washing dishes in a water tank of the dishwasher. For example, the washing module 180 may perform an operation of generating vibration using ultrasonic waves in the water in the tank, an operation of automatically administering the detergent in the water in the tank, and the like.

4 is a block diagram illustrating a configuration of a mode determination unit according to an exemplary embodiment of the present invention.

As shown in FIG. 4, the mode determination unit 161 according to the embodiment of the present invention may include a washing water determination unit 161a, a food information acquisition unit 161b, a quantity information determination unit 161c, and a washing mode setting unit 161d. . The mode determining unit 161 may perform the washing mode selection operation by the washing mode setting unit 161d based on the result values calculated by the washing water determining unit 161a, the food information obtaining unit 161b, and the quantity information determining unit 161c. .

More specifically, first, the washing water determination unit 161a may perform an operation of determining the type information of the washing water dropped into the water tank for washing. The washing water determination unit 161a may determine the type of the washing water based on the image information or the characteristic information of the physical property detected by the sensor unit 150. Items that may be determined as the type of the washing water may include tableware and food ingredients. . Further, when it is determined that the washing water is a dish, the washing water determination unit 161a may calculate a result value according to the shape of the dish according to the image sensor, and the calculated result value is transferred to the washing mode setting unit 161d to wash. It can be used to calculate the mode.

When it is determined that the washing water is a tableware, the food information obtaining unit 161b may request a user of the type of food contained in the tableware to be washed, and may obtain food-related information contained in the tableware input by the user. According to various embodiments of the present disclosure, the food information acquisition unit 161b may control to display a screen for requesting a user to input information about food in the dish as the dishwasher is turned on.

According to various embodiments of the present disclosure, the information required by the food information acquisition unit 161b may be related to a difficulty of washing. The food information acquisition unit 161b may request a user to input a corresponding code in a state where a code for each item is given. have. The food information acquisition unit 161b may, for example, code each menu item such as meat, fish, salad, and the like, and obtain information about a menu included in the corresponding tableware by receiving a code input from a user. According to the obtained information, the washing information to be determined later may be set to different items such as the number of washing operations, detergent dosage, etc. For example, the mode determination unit according to an embodiment of the present invention has a higher difficulty than meat salad The washing mode of can be set.

The quantity information determining unit 161c may determine the capacity of the washing object dropped in the water tank. For example, the quantity information determining unit 161c may determine the quantity of objects to be cleaned in the water tank based on the image sensing operation of the sensor unit 150. Alternatively, the quantity information determining unit 161c may determine whether the tableware is located in proximity to a table from a specific position of the water tank through a proximity sensor or an ultrasonic sensor, and thus determine the quantity of the washing water. According to various embodiments of the present disclosure, the quantity information determining unit 161c may determine the quantity of the washing water based on an operation of sensing the weight of the contents contained in the tank.

The washing mode setting unit 161d is calculated by the washing water type information calculated by the washing water determining unit 161a, food type information (food information contained in the tableware) calculated by the food information obtaining unit 161b, and quantity information determining unit 161c. An operation of determining a suitable washing mode may be performed based on at least one of the quantity information of the washed water. The washing mode corresponding to the washing water characteristic information such as the calculated washing water type information, food type information, and quantity of washing water may be calculated based on a table previously stored in the storage 120.

And a plurality of washing modes provided in the dishwasher according to an embodiment of the present invention is the number of times of drainage (washing time), the intensity of the washing operation (for example, ultrasonic output, water pressure in the body of water), the speed of the washing operation, whether the detergent is administered, called It may be a mode in which at least one of items, such as whether to perform a function and washing water temperature, is set to another value.

According to various embodiments of the present disclosure, the washing mode setting unit 161d may acquire at least one of washing water type information, food information, and quantity of washing water based on user input information received by a key input, and the like, and suitable washing may be performed. The mode calculation operation can be performed.

The washing mode setting unit 161d may perform an operation of applying the washing mode when the suitable washing mode is calculated. For example, in a state in which a specific washing mode is applied, the automatic water supply and drainage operation may be performed a plurality of times without performing additional additional operations.

5 is a block diagram showing the detailed configuration of the automatic water supply and drainage processing unit according to an embodiment of the present invention.

The automatic water supply and drain processing unit 163 according to the present invention may open and close the opening and closing state of the water supply and drain valve 170 based on at least one of operation information corresponding to the washing mode and water supply and drainage request information sensed by the sensor unit (eg, overflow occurrence detection, etc.). Can be controlled. In addition, the automatic water supply and drainage unit 163 may control various additional operations (eg, water supply signal, drain signal sound, etc.) accompanying the operation of the water supply and drain valve 170.

The automatic water supply and drainage processor 163 according to an embodiment of the present invention may perform the automatic water supply and drainage operation in response to the washing mode set by the mode determination unit 161, but the present invention is not limited thereto. Apart from the above, the water supply and drain valve control operation corresponding to the default value may be performed.

The automatic water supply and drainage processor 163 according to an embodiment of the present invention may include an energy management water supply and drainage control unit 163a, a washing state-based water supply and drainage control unit 163b, and a water quality management water supply and drainage control unit 163c.

The energy management water supply / exhaust control unit 163a may control the opening and closing of the water supply / exhaust valve after a predetermined time from the time when the cleaning operation is started, in order to prevent overload or deterioration due to the continuous operation. In addition, the energy management water supply and drain control unit 163a is for maintaining the temperature of the washing water stored when a predetermined time has elapsed without any other washing operation in the state that the washing water (water above the predetermined capacity) of the predetermined level or more is stored in the tank. The drain valve can be controlled to open automatically to prevent power consumption. As such, the energy management water supply / exhaust control unit 163a performs a drain valve for the automatic draining function when the washing water capacity and the washing operation stop period in the water storage state satisfy a predetermined condition so as not to perform the temperature control function of the unnecessary washing water. Can be controlled.

In addition, the energy management water supply and drain control unit 163a may control to automatically lock the water supply valve when the preset condition is satisfied even when the water supply valve is opened by the user's manual control. Similarly, even when the water supply valve is locked by manual control, when the preset condition is satisfied, the energy management water supply and drain control unit 163a may automatically open the water supply valve. For example, after the water supply valve is opened by a user's manual operation and the washing water flows into the water tank, when the quantity of water flowing into the overflow pipe and the duration of the washing water flowing into the overflow pipe are more than a predetermined value, The drain control unit 163a may convert the water supply valve into a closed state to prevent unnecessary water supply operation. According to various embodiments of the present disclosure, a mechanism may be installed in the overflow tube to determine whether liquid is introduced by a structure that is deformed according to the inflow of liquid or a structure in which movement occurs. The energy supply and drain control unit 163a may determine whether water is introduced into the overflow pipe. In addition, a method for sensing whether water is introduced into the overflow pipe may be variously set.

The washing state-based water supply and drainage control unit 163b may control the water supply and drainage based on the washing state of the washing water. Specifically, the washing state-based water supply and drainage control unit 163b may determine whether the washing is completed by determining the water quality state of the washing water. In detail, the washing state-based water supply and drainage control unit 163b may determine whether the washing is completed based on the degree of contamination of the washing water generated by washing the dishes or the ingredients. Furthermore, the washing state-based water supply and drainage control unit 163b may determine the washing state of the washings based on the reduction rate of the contamination of the washing water according to the washing cycle. At this time, in order to determine the degree of contamination of the washing water, the sensor unit 150 may include a sensor for determining the composition of the washing water (hereinafter, the washing water component sensor), and the washing water component sensor may be installed on one surface of the tank to sample the washing water. have. Determination of the degree of contamination of the wash water may be performed by whether the wash water contains an oil component above a predetermined reference value, whether or not the wash water detects a pesticide ingredient above a predetermined reference value.

According to various embodiments of the present disclosure, the washing state-based water supply / drainage control unit 163b may determine whether the washing is completed based on information detected by the oil detection sensor, the image sensor, the optical sensor, or the like.

The washing state-based water supply and drainage control unit 163b may perform the washing water contamination degree evaluation operation based on the set value, and change at least one function of the remaining washing operation and the water supply and drainage operation in response to the evaluated information. . For example, the washing state-based water supply and drainage control unit 163b has a number of remaining washing times remaining, but if it is determined that the contamination level of the washing water is less than or equal to a preset value, the required number of additional washings or reducing the washing time per time is performed. can do. In response, the washing state-based water supply and drainage control unit 163b may perform a water supply and drain valve control operation corresponding to a decrease in the number of additional washes and a decrease in the washing time per one time.

According to various embodiments of the present disclosure, according to the result of sensing the washing state information of the washing water, the washing performing unit 162 may also perform operation control such as excluding some washing functions in the additional washing cycle.

The water supply and drainage control unit 163c may determine the contamination level of the washing water, and when the contamination level of the washing water is determined to be greater than or equal to a predetermined reference value, may control to open the drain valve arbitrarily to replace the washing water. Accordingly, when the washing water contained in the water tank is drained and it is determined that the washing water stored in the water tank is drained, the water supply and drainage control unit 163c for controlling the water quality may control to lock the drain valve. Then, the water supply and drainage control unit 163c may control the water supply valve to open after the drainage is completed, thereby introducing water into the water tank. As such, the water supply and drainage control unit 163c may replace the washing water when the washing water shows a pollution degree of more than a predetermined standard.

6 is a flowchart illustrating a sequence of a water supply and drainage control operation of the dishwasher according to the embodiment of the present invention.

As shown in FIG. 6, the control unit 160 according to an embodiment of the present disclosure may perform operation 605 of first obtaining washing related information in automatically performing a water supply and drainage control operation of the dishwasher. At this time, the washing-related information may include information such as the capacity of water (washing water) put in the water tank of the dishwasher, the type of the washing water (tableware or ingredients, etc.) put in the water tank.

Thereafter, the controller 160 may perform operation 610 for setting a suitable washing mode in response to the obtained washing related information. In more detail, the controller 160 may perform an operation of determining a suitable washing mode based on at least one of washing water type information, food type information (food information contained in a tableware), and quantity information of washing water. In this case, the control unit 160 determines a washing mode corresponding to the washing water characteristic information such as washing water type information, food type information, quantity information of the washing water, and the like, based on a table previously stored in the storage 120. Can be performed. And the control

After operation 610, the controller 160 may perform a washing operation corresponding to the applied washing mode, which may be performed based on the washing mode operation information previously stored in the storage 120. It is assumed that the operations disclosed in the following steps are performed based on the washing mode operation information.

After the specific washing mode is designated, the controller 160 may perform operation 615 of supplying water to introduce water into the water tank of the dish washing machine. Operation 615 means controlling to open the water supply valve. For this operation, the water supply and drain valve 170 according to the embodiment of the present invention may be designed to control the opening and closing operation under the control of the controller 160. Although not shown in the drawing, when it is confirmed that the water flowing into the tank is above the predetermined level, the controller 160 may stop the water supply operation.

Thereafter, the controller 160 may perform operation 625 of operating a washing function. The washing function may also be performed only for the operation allowed in response to the set washing mode. For example, assuming that the set washing mode is a mode in which one washing time is set to 5 minutes and the ultrasonic output value for washing is executed as the first value, the controller 160 sets the ultrasonic wave to the first value in operation 625. The washing operation may be performed for 5 minutes.

Thereafter, the controller 160 may perform operation 630 to determine whether the drain request signal is sensed. The drain request signal may be confirmed when, for example, the required washing time in the washing mode has expired. When the drain request signal is sensed, the controller 160 may perform operation 635 for draining the water contained in the tank. The controller 160 may perform an operation of opening the drain valve at this time. On the other hand, if it is determined that the drain request signal is not sensed in operation 630, the controller 160 may continue to perform operation 625.

After the operation 635, the controller 160 may perform operation 640 to determine whether the washing is completed. Operation 640 may mean an operation of determining whether the washing time and the number of times of washing have expired based on the information included in the washing mode set in the dishwasher. If it is determined that the washing operation is not completed as a result of determining whether the washing is completed, the controller 160 may repeat the operation 615 and the subsequent step operation of adjusting the water supply valve to supply water to the tank. On the other hand, if it is determined that the washing operation is completed in operation 640, the controller 160 may terminate the washing operation and the water supply and drainage control operation of the dishwasher.

Although the present invention has been described in detail with reference to the above examples, those skilled in the art can make modifications, changes, and variations to the examples without departing from the scope of the invention. In short, in order to achieve the intended effect of the present invention, it is not necessary to separately include all the functional blocks shown in the drawings or to follow all the orders shown in the drawings in the order shown; Note that it may fall within the scope.

110: communication unit
120: storage unit
130: input unit
140: display unit
150: sensor unit
160: control unit
161: mode determination unit
162: wash performing unit
163: automatic water supply and drainage processing unit
170: water supply and drain valve
180: cleaning module

Claims (1)

A sensor unit sensing cleaning related information required to determine a cleaning mode;
A control unit which automatically calculates a washing mode based on the information sensed by the sensor unit, and controls a washing operation and a water supply and drainage operation to which the calculated washing mode is applied;
A water supply and drain valve including a water supply valve controlled according to the control unit for supplying water to the water tank of the dishwasher and a drain valve controlled according to the control unit for draining the water contained in the water tank of the dishwasher;
And a washing module for performing an ultrasonic wave generating operation for washing the washing water in response to the washing mode set under the control of the controller.
The control unit
A mode determination unit applying the determined washing mode to determine the washing mode based on the situation information sensed by the sensor unit;
In response to a specific washing mode applied by the mode determination unit, the washing-related operation is controlled, and the washing-related operation includes at least one of an ultrasonic wave generation operation, a detergent administration operation, a hydraulic pressure adjustment operation, a water temperature adjustment operation, and a washing frequency control operation. Control washing unit; And
And an automatic water supply and drainage processing unit controlling an open / closed state of the water supply and drainage valve based on at least one of operation information corresponding to the set washing mode and the water supply and drainage request information sensed by the sensor unit.
The mode determination unit
A washing water determination unit configured to determine the type information of the washing water in the tank, and determine whether the washing water is dishware or food ingredients based on the image information detected by the sensor unit;
If the wash is a tableware, the food information acquisition unit for requesting the user to input the food information contained in the dish to be washed;
A quantity information determination unit to determine the quantity of the washings based on at least one of the weight of the washings dropped into the tank, the image of the washings, and the proximity state of the washings;
Determining a suitable washing mode based on at least one of the washing water type information calculated by the washing water determination unit, the food type information calculated by the food information obtaining unit, and the quantity information of the washing water calculated by the quantity information determining unit Including a washing mode setting unit,
The automatic water supply and drainage processing unit
In order to prevent overload and deterioration due to the continuous operation, if the washing operation is continuous, the energy supply and drain control unit for controlling the opening and closing of the water supply and drain valve after a certain time from the time when the washing operation is started; Water supply and drainage control device to prevent overload and deterioration by continuous operation.

Images