JP2001112699A - Dish washing and drying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To wash a large amount of the dishes or the like with a dish washing and drying machine which heats washing water and air by a heating element and washes and dries the dishes or the like by shortening the operation time when operating the machine continuously several times and reducing the volume of the water to be used. SOLUTION: A tableware cage 3 in which the dishes 2 or the like are arranged is housed into a washing tank 1 and the washing water pressurized by a washing pump 5 is ejected from an ejection hole 7 of a washing nozzle 6 disposed freely rotatably in a washing tank 1 to wash the dishes or the like 2. The washing water in the washing tank 1 is discharged by a drain pump 9 and the air is blasted into the washing tank 1 by a blast fan 11. An operation program having a washing stroke, rinsing stroke, drying stroke, draining stroke, etc., is controlled by a controller 20. The controller 20 has the draining control operation program omitting the draining stroke and drying stroke to be carried out after the end of the final rinsing stroke and the operation program to be carried out after the execution of the draining control operation program is so formed as not to carry out the draining stroke at the start of the operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher for washing and drying dishes by heating washing water and air with a heating element.

[0002]

2. Description of the Related Art Conventionally, a dishwasher of this kind is shown in FIG.
The configuration was as shown in FIG. Hereinafter, the configuration will be described.

As shown in FIG. 11, a washing tank 1 is provided with a tableware basket 3 for storing tableware 2 therein. Further, a heating element 4 is provided in the cleaning tank 1 as a heating means for heating the cleaning water in the cleaning tank 1, a cleaning pump 5 is provided on a lower surface of the cleaning tank 1, and the cleaning water is supplied from an injection hole 7 of a cleaning nozzle 6. And the tableware 2 stored in the tableware basket 3 is washed. The water supply valve 8 supplies tap water to the washing tank 1. Wash water in the washing tank 1 is drained by a drain pump 9.

[0004] The filter 10 is provided in the washing tank 1 and collects garbage (the food adhered to the tableware 2 as dirt is called garbage) in the washing step and the rinsing step. The blower fan 11 operates during the drying process to draw air from outside the machine, blow the sucked air into the cleaning tank 1, and exhaust the exhaust air from the exhaust port 12, thereby drying the dishes 2 in the cleaning tank 1. A door 13 is provided on the front surface of the cleaning tank 1 so as to be freely opened and closed.

The control device 14 controls the heating element 4, the cleaning pump 5, the drain pump 9 and the like to sequentially control a series of steps of washing, rinsing and drying.

The operation of the above configuration will be described. When the user opens the door 13 forward, places the tableware 2 in the tableware basket 3, stores it in the washing tank 1 and puts in the detergent, and starts operation, First, the drainage pump 9 operates to discharge the cleaning water (called residual water) remaining in the cleaning tank 1 in the previous operation or the like to the outside of the machine.

Then, the water supply valve 8 operates to supply the cleaning water to the cleaning tank 1. When the predetermined cleaning water is supplied, the cleaning pump 5 pressurizes the cleaning water and injects the cleaning water together with the detergent from an injection hole 7 provided in the cleaning nozzle 6. Thus, the cleaning process is performed. In this cleaning step, the heating element 4 provided in the cleaning tank 1 is energized to heat the cleaning water to a predetermined temperature Tw in the cleaning step, as shown in FIG.

After a predetermined period of washing, the washing water containing dirt washed from the tableware 2 is then drained by a drain pump 9.
To discharge outside the machine. Subsequently, the washing water is newly supplied, and the washing water is sprayed again from the spray hole 7 provided in the washing nozzle 6 to perform the rinsing process of the dishware 2 soiled with the detergent and the residual vegetables.

When the rinsing process is completed, the washing water is discharged outside the machine again. This rinsing process is repeated several times continuously. Note that, in the washing step and the rinsing step, the residual vegetables are collected in the filter 10 provided in the washing tank 1.

In the rinsing process repeated several times, a heating rinsing process is performed in the final rinsing process. In this process, as shown in FIG.
At a predetermined temperature Tr (for example, 70
C) and rinse tableware 2.

When the final rinsing step, the heating rinsing step, ends, the drying step starts. In this process, the blower fan 11 operates and the air outside the machine is sent into the cleaning tank 1. The fed air is heated by the heating element 4, dries the tableware 2, and is discharged out of the machine through the exhaust port 12. After the drying process, the operation is terminated.

[0012]

In such a conventional dishwasher / dryer, an example of an operation program is shown in FIG.
As shown in the figure, a standard operation program for performing a series of steps of a washing step, a rinsing step, a heating rinsing step, and a drying step is provided. For this reason, when it is desired to wash many dishes 2, for example, in a dishwasher which can store the dishes 2 for five persons, when it is desired to wash the dishes 2 for ten persons, first, five persons are required. The tableware 2 in the cleaning tank 1 is stored in the cleaning tank 1 and the standard operation program is performed. Thereafter, the tableware 2 in the cleaning tank 1 is taken out, and the tableware 2 for the remaining five persons is newly stored in the cleaning tank 1. It is necessary to carry out the standard operation program stored in

Therefore, in order to wash the tableware 2 for 10 persons, the standard operation program shown in FIG. 12 must be performed twice, and there is a problem that much time is required.

As a solution to this problem, there is a solution provided with a dry-off operation program for shortening the operation time of the dishwasher from the washing step to the heating rinsing step and omitting the drying step. By using this dry cutting operation program as at least the first operation program,
The drying step of the first operation can be omitted as compared with the case where the standard operation program is performed twice, and the operation time of the dishwasher can be reduced.

[0015] However, even if this drying-off operation program is used, the washing water is discharged out of the machine by the drain pump 9 when the heating and rinsing step is completed. for that reason,
Even when the dishwasher is operated twice using the first drying operation program and the second time using the standard operation program, new washing water is supplied when the second standard operation program is performed. Standard operation program 2
There is a problem in that approximately the same amount of washing water is used as in the case of multiple operations.

The present invention solves the above-mentioned conventional problems, and reduces the operation time when operating a plurality of times continuously.
In addition, the purpose of the present invention is to wash a large amount of tableware using a small amount of water.

[0017]

In order to achieve the above object, according to the present invention, a dish basket in which dishes are arranged is housed in a washing tank, and the dish basket is rotatably disposed in the washing tank and has a spray hole. The washing water pressurized by the washing pump is sprayed from the nozzle to wash the dishes, the washing water in the washing tank is discharged by the drain pump, the air is blown into the washing tank by the blower fan, and the cleaning process is performed by the control device. , Configured to control an operation program having a rinsing stroke, a drying stroke, a drainage stroke, and the like,
The control device has a drainage control operation program that omits the drainage step and the drying step performed after the final rinsing step, and the operation program that is performed after the drainage control operation program is performed so that the drainage step is not performed at the start of the operation. It was done.

As a result, many dishes can be washed, the operation time for a plurality of continuous operations can be reduced, and the amount of water used can be reduced.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a washing tank, a tableware in which dishes are arranged and stored in the washing tank, and a washing tank in which the washing water in the washing tank is pressurized. A pump, a cleaning nozzle rotatably disposed in the cleaning tank and having an injection hole for injecting the cleaning water, a heating element for heating the cleaning water, and a drain pump for discharging the cleaning water in the cleaning tank,
A blower fan for blowing air into the washing tank, and a control device for controlling an operation program having a washing process, a rinsing process, a drying process, a draining process, etc., are provided after the final rinsing process is completed. It has a drainage control operation program that omits the drainage step and the drying step, and the operation program that is performed after the drainage control operation program is performed is such that the drainage step is not performed at the start of the operation. By selecting, many dishes can be washed and 1
The washing water heated to a high temperature in the heating rinsing process, which is used in the second rinsing process, is used in the second rinsing process. Since no water is supplied, the amount of washing water can be reduced by one stroke, the amount of water used can be reduced, and the washing time for the second operation can be shortened. The operation time can be reduced as compared with the case where the operation is performed.

According to a second aspect of the present invention, in the first aspect of the present invention, there is provided a washing water reusing means for controlling not to perform a drainage process at the start of operation.
By the washing water reusing means, in the heating rinsing step of heating the dishes and the like performed in the rinsing step of the previous operation to a high temperature, the used washing water can be reused and used in the washing step. Since it is not necessary to remember whether or not the previous operation was performed in the drainage control operation program,
Control can be facilitated. Furthermore, every time the operation is performed, the washing water used in the heating and rinsing process can be reused any number of times by using the drainage control operation program and the washing water recycling means. And the amount of water used can be reduced.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the control device performs an operation from the washing step to the rinsing step and performs an operation from the washing step to the rinsing step or the drying step. It has a continuous operation program that performs the operation continuously, and the continuous operation program is easy to understand for the user, can be operated continuously with a simple operation with few erroneous operations, and can wash many dishes. . Further, by providing a dedicated operation program called a continuous operation program, the operation can be continuously performed without the provision of the drainage control operation program and the washing water reusing means, thereby facilitating the control of the control device. it can.

The invention described in claim 4 is the above-described claim 1 to claim 1.
In the invention described in Item 3, in the rinsing step performed in the operation in which the drainage control operation program is selected, the predetermined temperature of the heating rinsing step of heating the tableware to a high temperature is set to at least the heating rinsing step in the rinsing step that is not the drainage control operation program. The temperature is set to be lower than the predetermined temperature. In the heating rinsing step performed in the rinsing step of the drainage control operation program, the predetermined temperature is set to a low temperature, thereby
After the end of the second operation, tableware can be easily taken out and power consumption can be reduced.

The invention described in claim 5 is the above-mentioned claim 1
In the invention described in Item 4, in the heating rinse step in which the dishes are heated to a high temperature in the rinsing step performed in the operation in which the drainage control operation program is selected, the dishes are heated to a predetermined temperature, and then fresh water is supplied. In the heating rinsing step performed in the rinsing step, the washing water and the dishes are heated to a predetermined temperature Tr, so that the washing water and the dishes can be finished cleanly and the washing water and the dishes can be heated. After heating to the predetermined temperature in the rinsing process,
Since washing water is newly supplied, when the heating and rinsing process is completed, the temperature of the tableware has decreased.
Tableware stored in the washing tank can be easily taken out.

[0024] The invention according to claim 6 provides the above-mentioned claims 1 to
In the invention described in 5, in the rinsing step performed in the operation in which the drainage control operation program is selected, in the heating rinsing step of heating the dishes to a high temperature, after heating the dishes to a predetermined temperature, a part of the washing water is removed. After the water is drained, new washing water is supplied. During the heating and rinsing process performed in the rinsing process, a portion of the washing water is drained, so the high-temperature washing water remaining in the washing tank is discharged. Therefore, the amount of newly supplied washing water can be reduced, and the temperature of the washing water at the end of the heating and rinsing step can be lowered. Further, since a part of the washing water is drained in the heating and rinsing step, the washing water is newly supplied, so that the amount of the washing water existing in the washing tank after the completion of the heating and rinsing step can be reduced. Therefore, the handle of the filter can be positioned above the level of the washing water, so that the user can easily take out the filter from the washing tank even after the operation is completed.

According to a seventh aspect of the present invention, in the fifth aspect of the present invention, the supply amount of the washing water in the heating rinsing step in the rinsing step of at least the first operation is set to 1
The amount of water supplied in the washing and rinsing steps of the second operation is set to be smaller than that in the heating step.In the heating rinsing step performed in the rinsing step, heating to a predetermined high temperature can be performed to achieve a sanitary and clean finish. In addition, the amount of water used in the first operation can be reduced, the control device can be easily controlled, and after the first operation, the user can use the tableware stored in the washing tank. Can be easily taken out.

The invention described in claim 8 is the above-mentioned claim 1-
In the invention described in Item 3, in the rinsing step performed in the operation in which the drainage control operation program is selected, the heating rinsing step of heating the dishes to a high temperature is performed in a rinsing step other than the final rinsing step. A step of heating the dishes to a predetermined high temperature can be provided without largely changing the configuration of the dryer and the control device, and the user can easily take out the dishes after the operation is completed.

[0027]

Embodiments of the present invention will be described below with reference to the drawings. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

(Embodiment 1) As shown in FIGS. 1 and 2, the control device 20 includes a standard operation program 21 for performing a series of steps such as a cleaning step, a rinsing step, a heating rinsing step, and a drying step. A quick washing operation program 22 in which the operating time is shorter than the standard operation program 21 by setting a predetermined temperature in the heating rinsing process to be low, and the washing water and the dishes 2 are carefully heated to a high temperature of about 80 ° C. in the heating rinsing process. The operating program 23 includes an operation program such as a dry cutting operation program 24 for performing a washing step, a rinsing step, a heating rinsing step and omitting a drying step, and a pre-washing operation program 25 for rinsing the dishes 2 only for several minutes.

In each of the operation programs such as the standard operation program 21, the quick cleaning operation program 22, the careful operation program 23, and the drying cut program 24,
There is a drainage control operation program for omitting the drainage and drying steps performed after the heating and rinsing steps. This drainage control operation program includes a drainage stop button 2 shown in FIG.
The user can select by pressing 6.

When the drainage control operation program is selected, for example, when the drainage stop button 26 is pressed to activate the standard operation program 21, the standard operation program 21
As shown in FIG. 3, when the heating and rinsing process is completed,
Terminate the operation without draining the washing water out of the machine.

After the operation program according to the drainage control operation program is completed, a new operation program such as a standard operation program 21, a quick cleaning operation program 22, a meticulous operation program 23, a dry-off program 24, and a pre-wash program 25 is selected. When the operation is performed, the control device 20 controls the drain stop button 26 in the previous operation.
By pressing and storing that the drainage control operation program is selected, the drainage process performed at the start of the operation is controlled so as to be omitted. Then, the selected operation program is operated.

The operation when the drainage control operation program is selected in the above configuration will be described with reference to FIG.

When washing a large number of dishes 2 with respect to the capacity of the dishwasher / dryer, for example, in a dishwasher / dryer for 5 persons, when washing tableware 2 for 10 persons, first, 5 dishes are required.
The tableware 2 for a person is placed in the tableware basket 3 and stored in the washing tank 1, a predetermined amount of detergent is put into the washing tank 1, the drainage stop button 26 is pressed, and the drainage control operation program is operated. The course button 27 is selected and pressed for the program to be driven, and the start button 28 is pressed to start the first driving.

When the selected operation program is, for example, the standard operation program 21, when the operation starts, first,
The drain pump 9 operates to discharge the residual water remaining in the washing tank 1 to the outside of the machine. Then, when the water supply valve 8 is energized, the cleaning water is supplied. When a predetermined amount of cleaning water is supplied, the cleaning pump 5 is driven to pressurize the cleaning water. The pressurized washing water is supplied to the washing nozzle 6 and is ejected from an ejection hole 7 provided in the washing nozzle 6. Then, the washing water is supplied to the washing tank 1 and the dishes 2. Thus, the washing process of washing the tableware 2 is performed.

In this cleaning step, the cleaning water is heated to a predetermined temperature Tw in the cleaning step by supplying electricity to the heating element 4. After a cleaning process for a predetermined time, the drainage pump 9 operates to perform a drainage process of discharging cleaning water containing dirt and the like washed off from the tableware 2 to the outside of the machine.

Then, washing water is newly supplied, and washing water is jetted from an injection hole 7 provided in the washing nozzle 6 to rinse the dishes 2 contaminated with detergent, residual vegetables and the like. After the end of this step, the washing water is discharged outside the machine again. This rinsing process is repeated several times continuously. In the rinsing process repeated several times, in the final rinsing process, a heating rinsing process of heating the tableware 2 to the high temperature Tr is performed.

When the heating and rinsing step of the first operation is completed, the controller 20 controls the standard operation program 21 without draining the washing water used in the heating and rinsing step to the outside of the machine.
The operation of is ended.

Then, the user takes out the tableware 2 stored in the cleaning tank 1 and newly stores the tableware 2 for the remaining five persons who have not been cleaned yet in the cleaning tank 1. By pressing the start button 28 without pressing the drain stop button 26 and selecting the operation program by the course button 27, the second operation is started, and the newly stored tableware 2 is washed and dried. be able to.

In the second operation, the control device 20
By storing that the drain stop button 26 was pressed in the first operation performed immediately before, the drain operation is not performed at the start of the operation, and the temperature is increased to the high temperature Tr in the heating and rinsing process of the first operation. The heated washing water is controlled so as to be used in the washing operation of the second operation.

As a result, it is not necessary to newly supply washing water in the washing step of the second operation, and as shown in FIG. 3, the start temperature T2 of the washing step of the second operation is
The temperature becomes higher than the start temperature T1 of the cleaning process in the first operation. Therefore, the time required to reach the predetermined temperature Tw in the cleaning process can be shorter than that in the first operation.

Therefore, by selecting the drainage control operation program by pressing the drainage stop button 26, a large number of dishes 2 can be washed, and the time for the washing process in the second operation can be shortened. The operation time can be reduced as compared with the case where the standard operation program 21 is performed twice without selecting the control operation program, or the case where the first drying operation program 24 and the second time the standard operation program 21 are performed.

Further, since no washing water is supplied in the washing operation in the second operation, the amount of washing water can be reduced by one stroke, and the amount of water used can be reduced.

Since the tableware 2 taken out in the first operation is heated to the high temperature Tr in the heating and rinsing step of the first operation, it can be naturally dried by the residual heat.

Further, after the heating and rinsing step of the first operation, a step of operating the blower fan 11 to discharge the steam in the washing tank 1 to the outside of the machine or drying the tableware 2 may be provided.

(Embodiment 2) As shown in FIG. 4, the control device 20 shown in FIG. 1 includes a reuse button (wash water reuse means) 29 for controlling not to perform a drainage process at the start of operation. By pressing the start button 28 after pressing the reuse button 29, the operation is performed without performing the drainage process at the start of operation. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. As in the first embodiment, the drain stop button 2 shown in FIG.
By pressing 6, the drainage control operation program is selected, and the washing operation to the heating and rinsing operation are performed, and the first operation in which the drainage operation and the drying operation performed after the completion of the heating and rinsing operation are omitted is performed.

When this operation is completed, the high-temperature washing water used in the heating and rinsing step is present in the washing tank 1.
Here, the user takes out the tableware 2 in the washing tank 1, stores the tableware 2 to be newly cleaned, and then presses the reuse button 29, and further presses the start button 28 to perform the second operation. Accordingly, the control device 20 operates according to the washing water reuse operation program that does not perform the drainage process at the start of the operation. Therefore, the washing water used in the heating and rinsing step of the first operation can be reused and used in the second washing step.

Therefore, by pressing the reuse button 29,
By starting the operation, the washing water used in the heating and rinsing step of the previous operation can be reused and used in the washing step. Therefore, the control device 20 presses the drain stop button 26 in the previous operation to drain the water. It is not necessary to memorize whether the control operation program has been selected, and control of the control device 20 can be facilitated.

Further, when the drainage stop button 26 and the reuse button 29 are pressed to select both the drainage control operation program and the washing water reuse operation program, when the operation is started, it is used in the heating and rinsing stroke of the previous operation. The washing water used in the washing tank 1 can be used in the washing step without draining, and after the heating and rinsing step, the operation is terminated without draining the washing water used in the heating and rinsing step.

Therefore, in the second and subsequent operations, if both the drainage control operation program and the washing water reuse operation program are selected each time the operation is performed, the washing water used in the heating and rinsing process is reused any number of times. Therefore, many dishes 2 can be washed and the amount of water used can be reduced.

(Embodiment 3) The control device 20 shown in FIG.
As shown in FIG. 5, the operation from the washing step to the heating and rinsing step, the operation of omitting the drainage step and the drying step after the completion of the heating and rinsing step, and the operation of performing from the washing step to the heating and rinsing step or the drying step are continuously performed. It has a continuous operation program to be performed.

This continuous operation program can be selected by pressing the continuous operation button 31 as shown in FIG. When the continuous operation button 31 is pressed a plurality of times, the number in the number-of-times display section 32 in FIG. 6 indicates the number of times the continuous operation button 31 is pressed, and the continuous operation is performed by the displayed number. .

In the continuous operation program, when the heating rinsing step, which is the final rinsing step in each of the operations other than the final operation, is completed, the washing water used in the heating rinsing step is not drained to the outside of the washing tank 1, While leaving the washing water
Stop operation. Then, by pressing the start button 28, the second and subsequent operations of the continuous operation program are started.

In the second and subsequent operations, the drainage step of draining the washing water remaining in the washing tank 1 at the start of the operation to the outside of the apparatus is not performed. The tableware 2 is washed using the washing water. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. Since the basic operation is the same when performing the continuous operation a plurality of times, the case where the continuous operation is performed twice will be described.

When the continuous operation is performed twice, the continuous operation button 31 shown in FIG.
Is displayed and the start button 28 is pressed.

When the operation is started, as shown in FIG. 5, the first operation from the cleaning step to the heating rinsing step is performed. When the heating and rinsing step of the first operation is completed, the control device 20 stops the washing water used in the heating and rinsing step without draining the washing water to the outside of the apparatus.

At this time, the user takes out the tableware 2 stored in the cleaning tank 1, stores the tableware 2 to be newly cleaned in the cleaning tank 1, and presses the start button 28, As shown in FIG. 5, the second operation is started, and the newly stored tableware 2 can be washed and dried.

In the second operation, the cleaning water heated to the high temperature Tr in the heating rinsing step of the first operation is used in the cleaning step of the second operation, whereby the cleaning operation of the second operation is performed. It is not necessary to newly supply the washing water, and as shown in FIG. 5, the start temperature T2 of the washing step of the second operation becomes higher than the start temperature T1 of the washing step of the first operation. Therefore, the time required to reach the predetermined temperature Tw in the cleaning process can be shorter than that in the first operation.

Therefore, the user can select the continuous operation program by a simple operation of pressing the continuous operation button 31 only a required number of times, so that the user can easily understand the continuous operation program without any erroneous operation and can continuously perform the operation. , And many dishes 2 can be washed.

Further, by providing a dedicated operation program called a continuous operation program, the operation can be continuously performed without having a drainage control operation program and a washing water reuse operation program. Can be easier.

(Embodiment 4) The control device 20 shown in FIG.
As shown in FIG. 7, in the heating rinsing step in the rinsing step performed in the operation in which the drainage control operation program is selected, that is, in the heating rinsing step in the first operation, the heating rinsing step in the second operation and the standard operation program 21 is performed as shown in FIG. Is heated to Tr1, which is lower than the predetermined temperature Tr. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. When the drainage control operation program is selected by pressing the drainage stop button 26 shown in FIG. 2 and the operation is performed twice consecutively, when the heating and rinsing stroke of the first operation is completed, the control device 20
Since the operation is terminated without draining the washing water used in the heating and rinsing step to the outside of the machine, the tableware 2 can be taken out. At this time, since the tableware 2 is heated only to the temperature of Tr1 in the heating and rinsing process, the tableware 2 stored in the cleaning tank 1 can be easily taken out.

Then, when the start button 28 is newly pressed, the second operation is performed using the washing water used in the first heating and rinsing step.

Further, in the heating and rinsing step of the first operation, the washing water is heated only up to Tr1 which is lower than the predetermined temperature Tr in the heating and rinsing step in the second operation and the standard operation program. The power consumption of the dishwasher can be reduced as compared with the case of heating to the predetermined temperature Tr in the heating rinsing step in the second operation or the standard operation program.

Accordingly, by setting the predetermined temperature in the heating and rinsing step of the first operation to Tr1, the tableware 2 can be easily taken out after the first operation, and the dishwasher can be removed. Power consumption can be reduced.

In this embodiment, the case where the operation is performed twice continuously is described. However, the same operation and effect can be obtained when the operation is continuously performed two or more times.

(Embodiment 5) The control device 20 shown in FIG.
In the heating and rinsing step of the first operation, as shown in FIG. 8, when the cleaning water is heated to a predetermined temperature Tr in the heating and rinsing step, the water supply valve 8 is controlled to newly supply the cleaning water. I have to. Further, in the heating and rinsing step of the first operation, the cleaning water is heated to the predetermined temperature Tr in the heating and rinsing step, and the cleaning pump operates to pressurize the cleaning water even after the cleaning water is newly supplied, The cleaning water is jetted from the cleaning nozzle 6. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. When the drainage control operation program is selected by pressing the drainage stop button 26 shown in FIG. 2 and the operation is performed twice in succession, in the heating and rinsing stroke of the first operation, the cleaning water is heated to a predetermined temperature Tr in the heating and rinsing stroke. When the heating water is heated to a predetermined temperature Tr in the heating rinsing process, the control device 20 causes the water supply valve 8 to newly supply the cleaning water into the cleaning tank 1.
As shown in FIG. 8, the cleaning tank 1 and the dishes 2 are Tr2
Temperature.

After the temperature of the washing water in the heating and rinsing step has decreased from Tr to Tr2, the control device 20 terminates the first operation. Then, by newly pressing the start button 28, the second operation is started using the washing water used in the first heating and rinsing step.

Therefore, in the heating and rinsing step of the first operation, the washing water and the dishes 2 are heated to the predetermined temperature Tr in the heating and rinsing step such as the standard operation program, so that sanitary and clean finish can be achieved. At the same time, when the first operation is completed, the tableware 2 has dropped to the temperature of Tr2, so that the tableware 2 stored in the washing tank 1 can be easily taken out.

In this embodiment, the case where the operation is performed twice continuously is described. However, the same operation and effect can be obtained when the operation is continuously performed two or more times a plurality of times.

(Embodiment 6) The control device 20 shown in FIG.
In the heating and rinsing step of the first operation, as shown in FIG. 8, when the washing water is heated to a predetermined temperature Tr in the heating and rinsing step, a part of the washing water is drained by the drain pump 9, and thereafter, , And control is performed so that the flush water is newly supplied by the water supply valve 8. Also, in the heating and rinsing step of the first operation, the cleaning pump 5 operates to pressurize the cleaning water even after the cleaning water is newly supplied, and the cleaning water is jetted from the cleaning nozzle 6. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. When the drainage control operation program is selected by pressing the drainage stop button 26 shown in FIG. 2 and the operation is performed twice in succession, in the heating and rinsing stroke of the first operation, the cleaning water is heated to a predetermined temperature Tr in the heating and rinsing stroke. When heated, the control device 20 drains a part of the washing water by the drain pump 9 and further supplies fresh washing water into the washing tank 1 by the water supply valve 8.

Therefore, the predetermined temperature T in the heating and rinsing process
washing water heated to r, washing tank 1 and tableware 2
As shown in FIG. 8, the temperature drops to the temperature of Tr2.

In the heating and rinsing step, a part of the high-temperature cleaning water is drained out of the apparatus. It is less than the case of 5. Therefore, the amount of newly supplied washing water is made smaller than that in the case of the fifth embodiment, and the temperature of the washing water at the end of the heating rinsing step is Tr2.
Can be

Further, after a part of the washing water is drained in the heating and rinsing step, new washing water is supplied. Therefore, the amount of the washing water present in the washing tank 1 after the completion of the heating and rinsing step is determined by the method of the fifth embodiment. Can be reduced. Therefore, as shown in FIG. 1, the handle 33 of the filter 10 can be positioned above the water surface P of the cleaning water.

Therefore, the user can easily take out the filter 10 from the cleaning tank 1 even after the first operation.

In this embodiment, the case where the operation is performed twice consecutively has been described. However, the same operation and effect can be obtained when the operation is continuously performed two or more times.

(Embodiment 7) Water supply amount detecting means 3 shown in FIG.
Numeral 4 is for detecting the amount of washing water supplied from the water supply valve 8 into the washing tank 1, and inputs the amount of water detected by the water supply amount detecting means 34 to the control device 20, and the control device 20
Controlling the amount of washing water supplied in each of the washing step, rinsing step and heating rinsing step, and supplying the washing water in the heating and rinsing step of at least the first operation when performing a plurality of continuous operations. The amount is set to be smaller than the amount of water supplied in the washing operation and the rinsing operation in the first operation.

When the cleaning water is heated to a predetermined temperature Tr in the heating and rinsing process, the cleaning water is newly supplied. Then, even after the cleaning water is newly supplied, the cleaning pump 5 pressurizes the cleaning water and jets the cleaning water from the cleaning nozzle 6 and the injection hole 7. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. When the drainage control operation program is selected by pressing the drainage stop button 26 shown in FIG. 2 and the operation is performed twice consecutively, the water supply amount detection means 34 causes the control device 20 to supply water to the heating and rinsing stroke of the first operation. The amount of washing water to be supplied is controlled so as to be smaller than the amount of washing water supplied in the washing step and the rinsing step.

In the heating and rinsing step of the first operation, after the cleaning water is heated to the predetermined temperature Tr in the heating and rinsing step, the control device 20 controls the water supply valve 8 to newly supply the cleaning water. Water is supplied into the cleaning tank 1.

Therefore, the predetermined temperature T during the heating and rinsing process
washing water heated to r, washing tank 1 and tableware 2
As shown in FIG. 8, the temperature drops to the temperature of Tr2.

Since the supply amount of the washing water in the heating and rinsing step is smaller than the supply amount of the washing water in the washing and rinsing steps, the washing water is heated to the predetermined temperature Tr in the heating and rinsing step. , The amount of newly supplied washing water,
The temperature Tr2 of the cleaning water at the end of the heating and rinsing process can be reduced with a smaller amount than in the case of the fifth embodiment. Therefore, the amount of water supplied at the start of the heating rinsing step and the amount of washing water supplied after being heated to the predetermined temperature Tr in the heating rinsing step can be made smaller than in the case of the fifth embodiment.

Further, since the amount of water supplied during the heating and rinsing step is small, the cleaning water is reduced to the temperature of Tr2 without draining part of the cleaning water heated to the predetermined temperature Tr in the first heating and rinsing step. Therefore, the control by the control device 20 can be made easier than in the case of the sixth embodiment.

Accordingly, in the first operation, the tableware 2 can be heated to a predetermined temperature Tr in a heating and rinsing step such as the standard operation program 21 so that the tableware 2 can be sanitarily and cleanly finished, and can be used in the first operation. The amount of water can be made at least smaller than in the case of the fifth embodiment, and the control of the control device 20 can be made easier than in the case of the sixth embodiment. After the end of the first operation, the user
The tableware 2 stored in the washing tank 1 can be easily taken out.

Further, the washing pump 5 is provided with a washing pump control means for controlling the number of revolutions of the washing pump 5, and in the heating and rinsing step of the first operation, the number of revolutions of the washing pump 5 is reduced to add washing water. If the pressure is increased, the washing water can be injected from the injection holes even if the amount of water supplied in the heating rinsing step is reduced, so that the amount of water used in the heating rinsing step can be further reduced.

In this embodiment, the case where the operation is performed twice consecutively has been described. However, the same operation and effect can be obtained when the operation is continuously performed two or more times.

(Eighth Embodiment) As shown in FIG. 9, when the drainage stop button 26 shown in FIG. 2 is pressed and the operation is continuously performed twice using the drainage control operation program, the heating rinse in the first operation is performed. The stroke is performed in a rinsing stroke before the final rinsing stroke of the first operation. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. The control device 20 controls the heating rinsing step in the first operation to be performed in a rinsing step prior to the final rinsing step of the first operation, as shown in FIG.

By controlling in this manner, the tableware 2
Is heated to a predetermined temperature Tr in a heating rinsing process such as the standard operation program 21 to provide a sanitary and clean finishing process. In addition, tableware and the like are provided in the final rinsing process of the first operation. As shown in FIG. 9, the heater 2 is not heated until it is in a high temperature state, so that the user can easily take out the tableware 2 after the first operation.

Therefore, a step of heating the dishes 2 to a predetermined high temperature Tr can be provided without largely changing the configuration and control means of the dishwasher, and after the end of the first operation, the user can perform the following steps. The tableware 2 can be easily taken out.

As shown in FIG. 10, the tableware 2 may be heated to a high temperature Tr in the cleaning process.

In this embodiment, the case where the operation is performed twice consecutively has been described. However, the same operation and effect can be obtained when the operation is continuously performed two or more times a plurality of times.

[0096]

As described above, according to the first aspect of the present invention, a washing tub, a tableware in which dishes are arranged and stored in the washing tub, and washing water in the washing tub are provided. A cleaning pump that pressurizes, a cleaning nozzle rotatably disposed in the cleaning tank and having an injection hole for injecting the cleaning water, a heating element for heating the cleaning water, and discharging the cleaning water in the cleaning tank. A drain pump, a blower fan that blows air into the washing tank, and a control device that controls an operation program having a washing process, a rinsing process, a drying process, a drain process, and the like, wherein the control device performs final rinsing. A drainage control operation program for omitting the drainage step and the drying step to be performed after the end of the stroke is provided, and the operation program performed after the drainage control operation program is performed does not perform the drainage step at the start of the operation. By selecting the operation program, it is possible to wash a large number of dishes,
In the washing operation of the second operation, the washing water heated to a high temperature in the heating and rinsing operation of heating the tableware performed in the rinsing operation of the first operation is used in the washing operation of the second operation. Since no cleaning water is supplied, the amount of cleaning water can be reduced by one stroke, the amount of water used can be reduced, and the cleaning time for the second operation can be shortened. The operation time can be reduced as compared with the case of performing the operation twice.

According to the second aspect of the present invention, since the washing water recycling means for controlling not to perform the draining process at the start of the operation is provided, the washing water recycling means is used to perform the rinsing stroke of the previous operation. In the heating rinsing process of heating the tableware to a high temperature, the used washing water can be reused and used in the washing process. Need not be stored, control can be facilitated. Further, every time the operation is performed, if the drainage control operation program and the washing water reuse means are used, the washing water used in the heating and rinsing process can be reused any number of times,
Many dishes can be washed and the amount of water used can be reduced.

Further, according to the third aspect of the present invention, the control device performs the operation from the cleaning step to the rinsing step,
Since a continuous operation program that continuously performs the operation from the washing step to the rinsing step or the drying step has a continuous operation program, the continuous operation program is easy for the user to understand, and is operated continuously with simple operation with few erroneous operations. The dishes can be washed. Furthermore, by providing a dedicated operation program called a continuous operation program,
Since the operation can be continuously performed without providing the drainage control operation program or the washing water reuse means, the control of the control device can be facilitated.

[0099] According to the fourth aspect of the present invention, in the rinsing step performed in the operation in which the drainage control operation program is selected, the predetermined temperature of the heating rinsing step of heating the dishes to a high temperature is determined by at least the drainage control operation program. However, since the temperature is set lower than the predetermined temperature of the heating rinsing step in the rinsing step, the predetermined temperature is lowered to the low temperature in the heating rinsing step performed in the rinsing step of the drainage control operation program. After the end of the operation, the tableware can be easily taken out, and the power consumption can be reduced.

According to the fifth aspect of the present invention, in the rinsing step performed in the operation in which the drainage control operation program is selected, in the heating rinsing step in which the dishes are heated to a high temperature,
After the dishes are heated to the predetermined temperature, the washing water is newly supplied, so that in the heating rinsing step performed in the rinsing step, the washing water and the dishes are heated to the predetermined temperature Tr, so that sanitation is achieved. As it can be finished cleanly, and after washing water and dishes are heated to a predetermined temperature in the heating rinsing process, new washing water is supplied,
When the heating and rinsing step is completed, the temperature of the tableware has dropped, so that the user can easily take out the tableware stored in the washing tank.

Further, according to the invention as set forth in claim 6, in the rinsing step performed by the selected operation of the drainage control operation program, in the heating rinsing step of heating the dishes to a high temperature,
After the tableware was heated to a predetermined temperature, a part of the washing water was drained, and new washing water was supplied, so that in the heating rinsing step performed in the rinsing step, a part of the washing water was drained. As the amount of high-temperature washing water remaining in the washing tank is reduced, the amount of newly supplied washing water is reduced, and the temperature of washing water at the end of the heating rinsing process is lowered. be able to. Further, since a part of the washing water is drained in the heating and rinsing step, the washing water is newly supplied, so that the amount of the washing water existing in the washing tank after the completion of the heating and rinsing step can be reduced. Therefore, the handle of the filter can be positioned above the level of the washing water, so that the user can easily remove the filter from the washing tank even after the operation is completed.

According to the seventh aspect of the present invention, at least the amount of washing water supplied in the heating and rinsing step in the rinsing step of the first operation is changed to the amount of water supplied in the washing step and the rinsing step of the first operation. In the heating and rinsing process, which is performed in the rinsing process, it is possible to heat up to a predetermined high temperature to achieve a sanitary and clean finish, and to reduce the amount of water used in the first operation. Can facilitate the control of the control device,
Further, after the first operation, the user can easily take out the tableware stored in the washing tank.

According to the eighth aspect of the present invention, in the rinsing step performed in the operation in which the drainage control operation program is selected, the heating rinsing step for heating tableware to a high temperature is performed in a rinsing step other than the final rinsing step. Since it is performed, a step of heating the dishes to a predetermined high temperature can be provided without greatly changing the configuration and control device of the dishwasher, and after the operation is completed, the user can remove the dishes. It can be easily taken out.

[Brief description of the drawings]

FIG. 1 is a sectional view of a dishwasher according to a first embodiment of the present invention.

FIG. 2 is a partially cutaway front view of the dishwasher.

FIG. 3 is an operation time chart of the dishwasher.

FIG. 4 is a partially cutaway front view of a dishwasher / dryer according to a second embodiment of the present invention.

FIG. 5 is an operation time chart of a dishwasher according to a third embodiment of the present invention.

FIG. 6 is a partially cutaway front view of the dishwasher.

FIG. 7 is an operation time chart of a dishwasher according to a fourth embodiment of the present invention.

FIG. 8 is an operation time chart of a dishwasher according to a fifth embodiment of the present invention.

FIG. 9 is an operation time chart of the dishwasher according to the eighth embodiment of the present invention.

FIG. 10 is an operation time chart of another example of the dishwasher.

FIG. 11 is a sectional view of a conventional dishwasher and dryer.

FIG. 12 is an operation time chart of the dishwasher.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Washing tank 2 Tableware 3 Tableware basket 4 Heating element 5 Cleaning pump 6 Cleaning nozzle 7 Injection hole 9 Drainage pump 11 Blow fan 20 Control device

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masaki Yura 1006 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. F-term (reference) 3B082 BD01 DB01 DC02

Claims (8)

[Claims] 1. A washing tank, a tableware in which dishes are arranged and stored in the washing tank, a washing pump for pressurizing washing water in the washing tank, and a washing pump rotatably arranged in the washing tank. A cleaning nozzle having an injection hole for injecting the cleaning water, a heating element for heating the cleaning water, a drain pump for discharging the cleaning water in the cleaning tank, a blowing fan for blowing air into the cleaning tank, and cleaning A control device for controlling an operation program having a stroke, a rinsing stroke, a drying stroke, a draining stroke, etc., wherein the control device has a drainage control operation program for omitting the draining stroke and the drying stroke performed after the final rinsing stroke. An operation program performed after the drainage control operation program is executed is a dishwasher / dryer in which a drainage process is not performed at the start of operation. 2. The dishwasher / dryer according to claim 1, further comprising a washing water recycling means for controlling not to perform a draining process at the start of operation. 3. The control device according to claim 1, wherein the control device has a continuous operation program for continuously performing an operation from the washing step to the rinsing step and an operation from the washing step to the rinsing step or the drying step. Dishwasher and dryer. 4. A predetermined temperature of a heating rinsing step for heating tableware to a high temperature in a rinsing step performed in an operation selected with a drainage control operation program, at least a predetermined temperature of a heating rinsing step in a rinsing step other than the drainage control operation program. The dishwasher / dryer according to any one of claims 1 to 3, wherein the temperature is lower than the temperature. 5. In a heating rinsing step of heating tableware to a high temperature in a rinsing step performed in an operation in which a drainage control operation program is selected, washing water is newly supplied after the tableware is heated to a predetermined temperature. The dishwasher / dryer according to any one of claims 1 to 4, wherein 6. In a heating rinsing step of heating tableware to a high temperature in a rinsing step performed in a selected operation of a drainage control operation program, a part of the washing water is drained after heating the tableware to a predetermined temperature. The dishwasher / dryer according to any one of claims 1 to 5, wherein washing water is newly supplied afterwards. 7. The water supply amount of the washing water in the heating rinsing step in at least the first operation rinsing step is smaller than the water supply amount in the cleaning operation and the rinsing step of the first operation. Dishwasher and dryer as described. 8. The rinsing process according to claim 1, wherein the heating rinsing process for heating the tableware to a high temperature is performed in a rinsing process other than the final rinsing process. The dishwasher / dryer according to claim 1.