JP2634116B2 - Dishwasher - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mode for setting a reserved cleaning time, a preliminary cleaning mode for performing preliminary cleaning immediately after setting the reserved cleaning time, rinsing, hot water rinsing, drying and the like are performed in the order relates dishwasher provided with a main cleaning mode for automatically washing and drying the dishes, specifically conduct the washing
However, even if there is no operator during that time, the main cleaning is performed.
However, in particular, make the pre-wash mode fully function,
Always perform good dishwashing and be easy to use.
The present invention relates to a technique for avoiding wasteful use of washing water .

[0002]

2. Description of the Related Art Conventionally, a mode for setting a reserved cleaning time, a preliminary cleaning mode for performing preliminary cleaning immediately after setting a reserved cleaning time, and a mode for setting the reserved time after the preliminary cleaning.
Washing, rinsing, hot water rinsing, drying, etc. are performed in this order to automatically wash and dry dishes. Dishwashers equipped with a full washing mode include, for example, dishes used for breakfast and dishes used for lunch. Put the dishes used for dinner and evening meal in the dishwasher in order, and use the low-night electricity at low electricity rates to wash the dishes, or put the dishes in the dishwasher after meals. And washing dishes so that washing is completed immediately before the next meal. Then, in order to start washing several hours after putting the dishes, set the washing reservation time using the setting mode of the washing reservation time, and immediately set the washing reservation time in this way. The pre-cleaning mode is activated, pre-cleaning is completed, the residue on the tableware is roughly cleaned, and the main cleaning is effectively assisted. In the main cleaning mode, main cleaning is automatically performed.

[0003]

However, after setting the cleaning reservation time in the cleaning reservation time setting mode as described above and performing preliminary cleaning of the dishes, the tableware at the time of lunch, for example, is put into the dishwasher. And to add tableware,
The washing of the added dishes is left until the main washing in the main washing mode, and in such a case, the residues of the added dishes may be hardened by drying,
There is a problem that even in the main cleaning in the main cleaning mode, good cleaning cannot be performed. Eliminate such problems
However, as described in JP-A-1-209040,
Dishwasher with washing, washing and rinsing steps
Establish a pre-washing course that can be selected and select a pre-washing course
By doing so, the primary pre-washing that activates the washing pump for a short time,
The end of the primary pre-wash is detected, and a certain period of time
After the elapse of the second pre-washing to operate the washing pump for a short time
A configuration to do this has been proposed. But this
In such a configuration, select a pre-cleaning course.
Then, the primary pre-cleaning, in which the cleaning pump is operated for a short time,
The end of the next pre-wash is detected, and after a certain period of time
In the second pre-wash, the washing pump is operated only for a short time.
After the pre-wash,
Can be used to select a rinse / dry course with the course selection key.
Selected and the start / pause key is operated
And as a whole in dish drying
Operability is low, especially when performing main cleaning.
The question that the main cleaning cannot be performed if there is no operator in the zone
There was a title.

[0004] The present invention has been made in view of such a problem, and an object of the present invention is to provide a method for cleaning after pre-cleaning.
Operate during the main cleaning time to perform the main cleaning
Can not perform the main cleaning even if there is no person
Et al, when put to add dishes in after a set washing reservation time to the newly dishwasher also be carried out again automatically the prewash and sufficiently to function a preliminary flushing mode, always good Easy to use as well as washing dishes ,
Another object of the present invention is to provide a dishwasher in which washing water is not wasted .

[0005]

And cleaning reservation time setting mode Means for Solving the Problems], just after setting the cleaning reservation time, the prewash mode for pre-wash, after the lapse of the reservation setting time after the pre-wash by the preliminary flushing mode , Washing, rinsing, hot water rinsing, drying, etc. in this order, the main washing mode for automatically washing and drying the dishes, the detecting means 13 for detecting the opening and closing of the door in the dishwasher, and after setting the washing reservation time,
It is characterized by comprising means for operating the pre-cleaning mode based on the detection result of the closing of the door 12 by the detecting means 13.

[0006]

As described above, the mode for setting the reserved cleaning time, the preliminary cleaning mode for performing the preliminary cleaning immediately after setting the reserved cleaning time, and the cleaning after the preliminary setting time has elapsed after the preliminary cleaning in the preliminary cleaning mode. Rinsing, hot water rinsing, drying, etc., in this order, the main washing mode for automatically washing and drying the dishes, the detecting means 13 for detecting the opening and closing of the door 12 in the dishwasher, and after setting the washing reservation time, The provision of the means for activating the pre-cleaning mode based on the result of detection of the closing of the door 12 by the detecting means 13 makes it possible to set the cleaning reservation time, that is, does not immediately perform the main cleaning even if the dishes are put into the dishwasher. In this way, it is possible to set the cleaning reservation time for performing the main cleaning after a predetermined time in anticipation of bringing in additional tableware, and during the time of performing the main cleaning, Without it is possible to perform the cleaning automatically. Immediately after setting the cleaning reservation time, the pre-cleaning mode can be activated to automatically perform the pre-cleaning, and there is no need to perform an operation for the pre-cleaning. In particular, in the present invention, when the tableware is added after the cleaning reservation time is set, the preliminary cleaning mode is activated based on the detection result of the closing of the dishwasher door 12, and the additional tableware is preliminarily cleaned. Can be performed. Thus, when washing the added dishes, the pre-washing mode of the automatic washing configuration is effectively used to simplify the configuration. Further, it is easy to use without having to redo the setting of the cleaning reservation time with the addition of tableware.
Further, unless the setting mode of the reserved cleaning time is operated, the preliminary cleaning is not performed with the closing of the door 12, and
When the door 12 is closed, waste of the washing water is avoided as in the case where the washing water is jetted.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. In the dishwasher A, a door 12 is provided so as to be openable and closable with respect to the washing tank 1, a basket 3 is provided in the upper and lower stages in the washing tank 1, and a water storage unit 4 is provided in a lower part of the washing tank 1. Tap water can be supplied to the water storage section 4 through the water supply pipe 5 by opening the water supply electromagnetic valve V. The water reservoir 4 is provided with a heater H and a thermistor TH so that the temperature of the hot water in the water reservoir 4 can be heated to a predetermined temperature. Nozzles 6... Arranged in upper, middle and lower stages are connected to the water storage unit 4. Then, the washing pump 7 is operated to inject cold water or hot water in the water storage section 4 from the nozzle 6 so that the dishes in the basket 3 can be washed with water or rinsed with hot water. Such water and hot water are returned to the water reservoir 4,
It is used cyclically. At the time of washing such dishes, one detergent is supplied from a detergent dispenser (not shown). In the rinsing mode described later, a rinsing agent is supplied. The detergent is manually charged into the detergent dispenser every time before washing, and the rinsing detergent is stored several tens of times at a time, and one rinse is automatically charged each time. A filter 8 is attached to the return portion so that the residue washed out by washing can be captured. A drain pump 9 is provided at the lower end of the water storage unit 4. By operating the drain pump 9, the washed water or warm water can be drained to sewage. After such washing, the heater H is energized to dry the dishes. For drying, a fan may be provided to perform hot air drying.

FIG. 2 shows the operation panel 2, which is provided, for example, on the front surface of the dishwasher A. Each time the operation unit Wa such as a touch switch in the dishwashing mode is pressed once, the sequence of “standard” → “strong” → “speedy” → “rinse” → “dry” displayed in FIG. 2 is selected in this order. The mode can be lit and displayed by the display buttons 10... And when power is turned on "standard"
It is set to.

FIG. 3 shows a dishwashing mode in which various modes of “preliminary washing”, “main washing”, “rinse 1”, “rinse 2”, “rinse 3”, “rinse with warm water” and “dry” are performed in this order. It is. In the “standard” mode, the “pre-cleaning” in the water supply system is performed for 30 seconds for drainage and 1 for water supply.
Minute, washing for 1 minute, draining for 28 seconds, and stopping for 2 seconds in this order. In the “standard” mode, in the water supply system, the “main cleaning” involves draining for 30 seconds and supplying water for 1 second.
In this order, heater cleaning is performed for 24 minutes, drainage is performed for 28 seconds, and stoppage is performed for 2 seconds. In the “standard” mode, the “rinse 1” in the water supply system drains water for 30 seconds,
Water supply is performed for 1 minute, rinsing is performed for 1 minute, drainage is performed for 28 seconds, and stoppage is performed for 2 seconds in this order. In the “standard” mode, the “rinse 2” in the water supply system discharges 30
Second, water supply for 1 minute, rinsing for 1 minute, drainage for 28 seconds, and stop for 2 seconds are performed in this order. Also, "standard"
"Rinse 3" in the water supply mode in the mode of
0 seconds, water supply for 1 minute, rinsing for 1 minute, drainage for 28 seconds, and stop for 2 seconds in this order. In the water supply system in the "standard" mode, the "warm water rinse" is for drainage for 30 seconds, water supply for 1 minute, heater rinse for 24 minutes, drainage for 28 seconds, stop for 2 seconds, drainage for 28 seconds, stop for 2 seconds, drainage 28 seconds, stop 2 seconds, drainage 28 seconds, stop 2 seconds. In the water supply system in the "standard" mode, the "drying" means that the heater drying is 15 times.
It is something to do. Next, in the hot water supply system in the “standard” mode, the heater cleaning of “main cleaning” in the water supply system in the “standard” mode is changed to 15 minutes, and
The heater rinse in "hot water rinse" was changed to 15 minutes, and the warm water rinse was changed to 30 minutes.
Next, in the water supply system in the "strong" mode, the heater cleaning in the "main cleaning" in the water supply system in the "standard" mode is changed to 30 minutes. Next, in the hot water supply mode in the "strong" mode, the heater cleaning in the "main cleaning" in the water supply method in the "standard" mode is changed to 20 minutes, and the heater rinse in the "hot water rinse" is set to 20 minutes.
Minutes. Next, in the water supply system in the "speedy" mode, as shown in the time chart of FIG. 3, "main cleaning", "rinse 1" and "rinse 2" are performed in this order, and then "hot water rinse" is performed. It is.
In such a case, the heater cleaning in the “main cleaning” is performed for 16 minutes. In addition, the heater rinse of “hot water rinse” is 1
It takes 6 minutes. Next, in the hot water supply system in the "speedy" mode, the heater cleaning in the "main cleaning" is performed for 10 minutes. The heater rinsing of “hot water rinsing” is performed for 10 minutes. Next, "Rinse"
In the water supply system of the mode (1), “rinse 1”, “rinse 2”, “rinse 3”, “rinse with warm water” and “dry” are performed in this order, as shown in the time chart of FIG. In such a case, the heater rinse in "hot water rinse" is 24 minutes. In the hot water supply mode of the “rinse” mode, the heater rinse of the “hot water rinse” in the water supply mode is changed to 15 minutes. Next, the "drying" mode includes a 15-minute mode and a 30-minute mode. In the 15-minute mode, a mode performed after the heater rinse in the "hot water rinsing" mode, that is, the drainage is stopped for 28 seconds. For 2 seconds, drain for 28 seconds, stop for 2 seconds,
Draining is performed for 28 seconds, stopping is performed for 2 seconds, draining is performed for 28 seconds, and stopping is performed for 2 seconds in this order, and then heater drying is performed for 15 minutes. In the 30-minute mode, the heater drying in the 15-minute mode is performed for 40 minutes. In the various modes described in detail above, the times of the steps other than the heater cleaning and the heater rinsing for changing the time length are the same as those disclosed in the water supply type in the “standard” mode. The washing water temperature in the dishwashing mode is 60 ° C. in the “standard” mode,
The temperature is set at 65 ° C. in the “strong” mode, 55 ° C. in the “speedy” mode, and 70 ° C. in the “rinse with hot water” mode.

In FIG. 2, a drying time changeover switch Da is provided adjacent to an operation unit Wa such as a touch switch in the dishwashing mode, and the mode is switched between the 15-minute mode and the 30-minute mode each time the switch Da is pressed once. I can do it. In FIG. 2, a reservation switch Ta is provided next to the drying time switch Da. When the reservation switch Ta is pressed, the operation unit Wa of the dishwashing mode is set after a set time set in the timer circuit. And an operation start of a setting mode set by the drying time changeover switch Da or the like. Every time the reservation switch Ta is pressed once, 2Hr →
The switching is performed in the order of 3Hr → 4Hr →... → 14Hr → 0. Thus, the washing is performed by the reservation switch Ta.
The cleaning time can be set. Ca is prewashed (spare
Wash) switch, this pre-wash (pre-wash) switch Ca
Each time is pressed, the pre-wash (pre-wash) is set and reset. Thus, in the case of pre-washing (pre-washing),
Pre-cleaning mode only when switch Ca is pressed.
The drain is activated, and as shown in FIG.
The operation is performed for 0 second, water supply for 1 minute, washing for 1 minute, and drainage for 28 seconds.

In FIG. 2, a start / pause switch Sa is provided next to the pre-cleaning switch Ca. By operating the start / pause switch Sa, the cleaning operation mode set immediately before or the pre-cleaning operation is performed. The start / pause of the operation in the mode or the pre-wash operation mode is performed. And once driving starts,
Operation unit Wa other than "start / pause switch Sa"
································································································································· No but but although the operation is changed, the operation is continued When the start / pause switch Sa is pressed, the operation is temporarily stopped, and the operation / pause is repeated each time the switch is pressed.

In FIG. 2, a display unit 11 using liquid crystal is provided above the operation panel 2 so that a mode display, a current operation state, a remaining time, and the like can be displayed. Alternatively, the remaining time of the set cleaning time may be displayed on the display unit 11. As shown in FIG. 6, for example, the door 12 of the dishwasher A is hinged to the case 14 of the dishwasher A so as to be opened and closed in a one-sided manner. Part
When the switch 12 is closed and the door 12 is closed, the actuator of the switch S is pushed into the case 14, and when the door 12 is opened, the actuator protrudes to detect the opening and closing of the door 12. I can do it. Such a configuration for detecting the opening and closing of the door 12 is generically referred to as a detection unit 13, but the configuration can be variously changed. The pre-cleaning mode is operated based on the detection result of the closing of the door 12 by the detecting means 13. A flowchart in such a case is shown in FIG. By the way, in order to detect the opening and closing of the door 12 and to activate the pre-cleaning mode based on the detection result of the closing of the door 12, a swing lever is provided close to the handle of the door 12,
When the door 2 is opened, the swing lever is swung by grasping the swing lever together with the handle, and the door 1 linked to the swing lever is opened.
In a configuration in which the lock piece that locks the closed state of Step 2 is operated in the release direction, and the opening operation of the door 12 is performed, the switch S is incorporated on the door 12 side, and the swing lever is opened in the opening direction. The switch S may be turned off by the swing, and the switch S may be turned on by the movement of the swing lever accompanying the closing operation of the door 12. In such a case, first, the switch S is operated by the movement of the swing lever in the opening operation of the door 12, and the lock piece of the door 12 is released with a slight time lag. The off operation of the switch S may also serve as a stop switch for stopping the operation of the dishwasher.

As described above, the detection means 13 for detecting the opening and closing of the door 12 in the dishwasher is provided, and the preliminary cleaning mode is operated based on the detection result of the closing of the door 12 by the detection means 13. After the tableware is put in the dishwasher and the cleaning reservation time is set, when the tableware is added and put into the dishwasher, the opening and closing of the door 12 is detected, and the detection result of the closing of the door 12 is obtained. The pre-wash mode is activated to perform pre-wash including the newly inserted dishes. In this way, even if the dishes are added after setting the cleaning reservation time, the residue attached to the added dishes will be removed. Is cleaned by preliminary cleaning so that cleaning failure does not occur, and the setting of the reserved cleaning time is not performed again, so that it is easy to use.

As described above, the control is performed using the built-in computer CPU as control means.

[0015]

According to the present invention as described above, the setting mode of the cleaning reservation time, just after setting the cleaning reservation time, the prewash mode for pre-wash, the reservation setting after the pre-wash by the preliminary flushing mode After a lapse of time, a main cleaning mode in which washing, rinsing, hot water rinsing, drying, etc. are sequentially performed to automatically wash and dry the dishes, detection means for detecting the opening and closing of a door in the dishwasher, and a cleaning reservation time. After the setting, there is provided a means for activating the pre-cleaning mode based on a result of the detection of the closing of the door by the detecting means, so that a cleaning reservation time can be set, that is, the dishes are put in the dishwasher. It is also possible to set a cleaning reservation time for performing the main cleaning after a predetermined time in anticipation of bringing in additional tableware without performing the main cleaning immediately. While the main cleaning can be performed automatically even when no one is present, the pre-cleaning mode can be activated and the pre-cleaning can be performed automatically immediately after setting the reserved cleaning time. In particular, in the present invention, in order to add the dishes after setting the washing reservation time, the preliminary washing mode is activated based on the detection result of the closing of the dishwasher door. This makes it possible to perform pre-washing of the added tableware.However, when cleaning the added tableware, the pre-washing mode of the automatic cleaning configuration can be effectively used to simplify the configuration, and Without having to redo the setting of the cleaning reservation time with the addition of tableware,
It is easy to use and furthermore, the pre-cleaning is not performed when opening and closing the door, unless the set operation mode of the cleaning reservation time is operated, and the waste of cleaning water is avoided as in the case where the cleaning water is sprayed when the door is closed. We find a feature in that we can do it.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, wherein (a), (b) and (c)
(D) (e) is process drawing which shows an example of a dishwashing mode.

FIG. 2 is a front view of the same operation panel.

FIG. 3 is a time chart showing a specific example of the dishwashing mode according to the first embodiment.

FIG. 4 is a block circuit diagram of the same.

FIG. 5 is a flowchart of the above.

FIG. 6 is a schematic perspective view showing a detecting means for detecting opening and closing of a door of the dishwasher according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cleaning tank 12 Door 13 Detection means

Claims (1)

(57) [Claims] And 1. A cleaning reservation time setting mode, just after setting the cleaning reservation time, the prewash mode for pre-wash, after the lapse of the reservation setting time after the preliminary washing with pre-wash mode, the washing, rinsing , Hot water rinsing, drying, etc., in order, a main cleaning mode for automatically cleaning and drying the dishes, a detecting means for detecting the opening and closing of the door in the dishwasher, and a door by the detecting means after setting the cleaning reservation time. A dishwasher, comprising: means for activating the pre-washing mode based on a detection result of the closing of the dishwasher.