JP2011062219A - Dishwasher/dryer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce energy used in a drying process. <P>SOLUTION: The dishwasher/dryer washes, rinses, and dries objects 3 to be washed, and includes washing means 6 for washing the objects 3 to be washed, heating means 5 for heating washing water and air, blowing means 12 for blowing air to the objects 3 to be washed, a lid 14 for tightly sealing a washing tub 2, lid opening/closing detection means 15 for detecting the opening/closing of the lid 14, and control means 17 for controlling an operation. The control means 17 controls a drying process in conjunction with the detecting situation of the lid opening/closing detection means 15. Thus, by having a user open the lid 14, the air inside the washing tub 2 is replaced. Even when the time of energizing the heating means 5 in the drying process after closing the lid 14 is reduced relative to the time of energizing the heating means 5 in the drying process in the case of not opening the lid 14, since a predetermined drying performance is obtained including the sealing portion of the lid 14 and the washing tub 2 as well, the energizing amount of the heating means 5 in the drying process is reduced, and the energy used in the dishwasher/dryer 1 is reduced. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a dishwasher for washing dishes and dishes in a general household.

  Conventionally, this type of dishwasher 1 has a structure as shown in FIGS. Hereinafter, the configuration will be described.

  As shown in FIG. 13, the washing tub 2 is provided with a tableware basket 4 for storing an object to be cleaned 3 (tableware). The cleaning tank 2 is provided with heating means 5 (for example, a sheathed heater) for heating the cleaning water in the cleaning tank 2, and the cleaning means 6 (for example, a cleaning pump) pressurizes the cleaning water so that the cleaning nozzle The washing object 3 (tableware) stored in the tableware basket 4 is washed by spraying washing water from the seven injection holes 8. The water supply valve 9 supplies tap water to the cleaning tank 2. The washing water in the washing tank 2 is drained by the drainage means 10.

  The filter 11 is provided in the cleaning tank 2 and collects leftovers (food that has adhered to the object to be cleaned 3 (tableware) as dirt) in the cleaning and rinsing steps. The blowing means 12 blows air outside the dishwasher 1 into the washing tank 2 and exhausts it from the exhaust port 13, thereby drying the article 3 (tableware) in the washing tank 2.

  A lid 14 is provided on the front surface of the cleaning tank 2 so as to be freely opened and closed. Whether the lid 14 has been opened or closed is detected by the lid opening / closing detection means 15.

  The temperature detection unit 16 detects the temperature of the cleaning water, air, and the heating unit 5 through the cleaning tank 2.

  The control means 17 controls the water supply valve 9 to supply cleaning water into the cleaning tank 2, controls the heating means 5 based on the output of the temperature detection means 16, and the cleaning means 6, water supply valve 9, the drainage means 10, the blower means 12, etc. are controlled to sequentially control a series of steps of washing, rinsing and drying.

  In the above configuration, the operation will be described. When the user opens the lid 14 forward, places the article 3 (tableware) to be washed in the tableware basket 4, stores it in the washing tub 2, puts the detergent, and then starts operation. First, the drainage means 10 is operated, and the washing water (referred to as residual water) remaining in the washing tub 2 in the previous operation or the like is discharged out of the dishwasher 1.

  Then, the water supply valve 9 operates to supply cleaning water to the cleaning tank 2.

  When the predetermined cleaning water is supplied, the cleaning means 6 pressurizes the cleaning water, and the cleaning water is sprayed from the injection holes 8 provided in the cleaning nozzle 7 together with the detergent. Thus, the cleaning process is performed. In this cleaning process, the heating means 5 provided in the cleaning tank 2 is energized to heat the cleaning water to a predetermined temperature in the cleaning process.

  After a predetermined time of washing process, the washing water containing dirt washed off from the article 3 (tableware) to be washed is discharged out of the dishwasher 1 by the drainage means 10.

  Subsequently, a new rinsing water is supplied and sprayed again from the injection hole 8 provided in the cleaning nozzle 7, and the rinsing process is performed for the article to be cleaned 3 (tableware) contaminated with detergent or leftovers.

  When this rinsing process is completed, the washing water is discharged out of the dishwasher 1 again. This rinsing process is repeated several times in succession. And the rinse process performed at the end is a rinse process which heats washing water to predetermined temperature (for example, 60 degreeC) with the heating means 5, and rinses and heats the to-be-washed | cleaned material 3 (tableware). In the cleaning and rinsing process, the leftovers are collected in the filter 11 provided in the cleaning tank 2.

  When the predetermined number of rinsing steps are completed, the drying step is started. In this step, the air blowing means 12 operates and air outside the dishwasher 1 is sent into the washing tub 2. The sent air is heated by the heating means 5, then the object to be cleaned 3 (tableware) is dried and discharged from the dishwasher 1 through the exhaust port 13. After the drying process is completed, the operation is terminated.

Japanese Patent No. 2523035 Japanese Patent No. 2972946

  However, the configuration of the conventional dishwasher 1 as shown in FIG. 13 has the following problems.

  In the standard course of the dishwasher 1, as shown in FIG. 14, a washing process for washing the object to be washed 3 (tableware), a rinsing process for the article to be washed 3 (tableware), a heating rinse process, and an object to be washed 3 (tableware The object to be cleaned 3 (tableware) is washed and dried through the drying process of drying the dishwasher 1 in the middle of the drying process of drying the object to be cleaned 3 (tableware). When the lid 14 of the dishwasher 1 is opened and then the lid 14 is closed again and the operation of the dishwasher 1 is resumed, the control means 17 follows the operation program of the standard course as shown in FIG. The drying process is resumed from the continuation before being paused. Therefore, it is only necessary to execute a predetermined operation program regardless of the state in the cleaning tank 2 (for example, after the user opens the lid 14 for Ta time during the drying process performed for T1 time, the lid 14 is opened. In the case where the continuation of the drying process is performed after closing, the control means 17 also performs the drying without changing the energization time t1 and the non-energization time t2 to the heating means 5 even in the drying process after the lid 14 is closed. The process time T2 also includes the time when T2 = T1 + Ta and the lid 14 is opened, etc.), and the efficient drying according to the state in the washing tank 2 cannot be performed, and the use of the dishwasher 1 There is a problem that energy cannot be reduced.

  This invention solves the said conventional subject, and aims at reducing the use energy of a dishwasher.

  In order to solve the above-described conventional problems, the dishwasher of the present invention performs at least cleaning, heating, rinsing and drying of an object to be cleaned, and is housed in a cleaning tank having an opening and a cleaning tank. The cleaning means for cleaning the object to be cleaned, the heating means for heating the cleaning water and air supplied to the object to be cleaned, the air blowing means for blowing air to the object to be cleaned, and the cleaning tank substantially by closing the opening A lid for sealing, a lid opening / closing detection means for directly or indirectly detecting the opening / closing of the lid, and a control means for controlling the operation of the dishwasher, the control means being detected by the lid opening / closing detection means In conjunction with this, the drying process for drying the object to be cleaned is controlled.

As a result, when the user opens the lid for any reason in the drying process, high-humidity air goes out of the washing tank through the opening, and air outside the low-humidity dishwasher passes through the opening. Since it enters the cleaning tank, after the user opens and closes the lid, the air in the cleaning tank dries more than the condition in which the water droplets attached to the object to be cleaned and the inner wall of the cleaning tank do not open the lid. It becomes a low humidity state that is easy to do.

  Therefore, the time for energizing the heating means in the drying process after closing the lid is shorter than the time for energizing the heating means in the drying process when the lid is not opened, and heating in the drying process after closing the lid. The predetermined drying performance can be obtained even if the time for de-energizing the device is longer than the time for de-energizing the heating device in the drying process when the lid is not opened. Therefore, the energization amount of the heating means in the drying process can be reduced by the amount of shortening the energization time to the heating means, and the energy used by the dishwasher can be reduced.

  In addition, many water droplets adhere to the periphery of the sealing material provided at the contact portion between the lid and the cleaning tank in order to prevent leakage of cleaning water and air before the drying process starts, Since air does not flow around the sealing material because it is in close contact with the cleaning tank, the air in the cleaning tank is not supplied to the periphery of the sealing material that is in close contact with the lid or the cleaning tank in the drying process. The user opens the lid in the drying process because the water drops around the sealing material are not dried in the predetermined drying process, and it takes a long time to dry. As a result, air outside the dishwasher with low humidity can be supplied to the periphery of the sealing material, evaporation of water droplets around the sealing material can be improved, and drying performance around the sealing material can be improved.

  As described above, even if the time for energizing the heating means in the drying process after the user opens and closes the lid is shorter than the time for energizing the heating means in the drying process when the lid is not opened, the lid In addition, since the predetermined drying performance including the sealing portion of the washing tub can be obtained, the energization amount of the heating means in the drying process can be reduced, and the energy used by the dishwasher can be reduced.

  Since the dishwasher of the present invention has the structure of claim 1, the time for energizing the heating means in the drying process after closing the lid is longer than the time for energizing the heating means in the drying process when the lid is not opened. Even if the time to turn off the heating means in the drying process after closing the lid is longer than the time to turn off the heating means in the drying process when the lid is not opened, the predetermined drying performance Therefore, the energization amount of the heating means in the drying process can be reduced by the amount of time the energization time to the heating means is shortened, and the energy used by the dishwasher can be reduced.

  In addition, many water droplets adhere to the periphery of the sealing material provided at the contact portion between the lid and the cleaning tank to prevent leakage of cleaning water and air before starting the drying process. By opening the lid, air outside the dishwasher with low humidity can be supplied around the sealing material, so that evaporation of water droplets around the sealing material can be improved and drying performance around the sealing material can be improved.

  As described above, even if the time for energizing the heating means in the drying process after the user opens and closes the lid is shorter than the time for energizing the heating means in the drying process when the lid is not opened, the lid In addition, since the predetermined drying performance including the sealing portion of the washing tub can be obtained, the energization amount of the heating means in the drying process can be reduced, and the energy used by the dishwasher can be reduced.

The longitudinal cross-sectional view of the dishwasher of the 1st Example of this invention of the front-back direction Longitudinal cross-sectional view in the front-rear direction when the lid of the dishwasher is opened (A) The figure which shows the energization state of the heating means when a lid is not opened in the drying process of the dishwasher (b) The energization state of the heating means when the lid is opened and closed in the drying process of the dishwasher Illustration (A) Enlarged view of the contact portion between the lid of the dishwasher and the washing tub (b) Enlarged view of the contact portion between the lid and the washing tub when the lid of the dishwasher is opened The figure which shows the structure of another example of the dishwasher (A) The figure which shows the energization state of the heating means when the lid is not opened in the drying process of the dishwasher (b) The energization time of the heating means when the lid is opened and closed in the drying process of the dishwasher Of the energization state of the heating means when the temperature is not changed (A) The figure which shows the change of the relative humidity in the washing tank when the lid is not opened in the drying process of the dishwasher (b) Heating when the lid is opened and closed at the beginning of the drying process of the dishwasher The figure which shows the energization state of a means (c) The figure which shows the energization state of a heating means at the time of opening and closing a lid | cover at the latter stage of the drying process of the dishwasher (A) The figure which shows the energized state of the heating means in the drying process of the dishwasher when the lid is open for a short time (b) The lid is open for a long time in the drying process of the dishwasher Of the energization state of the heating means in the case The figure which shows the temperature change in the washing tank of each process of the same dishwasher, and the figure which shows the energization state of the ventilation means when a cover is not opened in a drying process The figure which shows the state which the user opened the lid in the drying process initial stage of the dishwasher (A) The figure which shows the energization state of the ventilation means at the time of changing the energization time of the ventilation means when the lid is opened and closed in the initial stage of the drying process in the drying process of the dishwasher (b) The figure which shows the energization state of the ventilation means at the time of changing the non-energization time of the ventilation means at the time of a drying process when a lid | cover is opened and closed in the initial stage of a drying process. The lid opening / closing amount detection means of the dishwasher detects that the lid has opened more than a predetermined amount. Longitudinal sectional view of a conventional dishwasher The figure which shows the temperature change in the energization state to the heating means in the standard course of the dishwasher, the ventilation means, and a washing tank The figure which shows the temperature change in a heating means, the energization state to a ventilation means, and the temperature in a washing tank when a cover opens and closes in the middle of the drying process of the standard course of the dishwasher

  The first invention performs at least cleaning, heating, rinsing and drying of an object to be cleaned, a cleaning tank having an opening, a cleaning means for cleaning the object to be cleaned housed in the cleaning tank, Heating means for heating cleaning water and air supplied to the cleaning object, blowing means for blowing air to the object to be cleaned, a lid for substantially closing the cleaning tank by closing the opening, and opening and closing of the lid The lid opening / closing detection means for detecting directly or indirectly and the control means for controlling the operation of the dishwasher are provided, and the control means dries the object to be cleaned in conjunction with the detection status of the lid opening / closing detection means. When the user opens the lid for any reason in the drying process, high-humidity air comes out of the washing tank and goes out of the low-humidity dishwasher. Air enters the cleaning tank through the opening. , After the user has closed the lid open, the air in the washing tub is in a state of drying easily humidity than in the state when the water drops attached to the inner wall of the object to be cleaned or the cleaning tank does not open the lid.

  Therefore, the time for energizing the heating means in the drying process after closing the lid is shorter than the time for energizing the heating means in the drying process when the lid is not opened, and heating in the drying process after closing the lid. The predetermined drying performance can be obtained even if the time for de-energizing the device is longer than the time for de-energizing the heating device in the drying process when the lid is not opened. Therefore, the energization amount of the heating means in the drying process can be reduced by the amount of shortening the energization time to the heating means, and the energy used by the dishwasher can be reduced.

  In addition, many water droplets adhere to the periphery of the sealing material provided at the contact portion between the lid and the cleaning tank in order to prevent leakage of cleaning water and air before the drying process starts, Since air does not flow around the sealing material because it is in close contact with the cleaning tank, the air in the cleaning tank is not supplied to the periphery of the sealing material that is in close contact with the lid or the cleaning tank in the drying process. The user opens the lid in the drying process because the water drops around the sealing material are not dried in the predetermined drying process, and it takes a long time to dry. As a result, air outside the dishwasher with low humidity can be supplied to the periphery of the sealing material, evaporation of water droplets around the sealing material can be improved, and drying performance around the sealing material can be improved.

  As described above, even if the time for energizing the heating means in the drying process after the user opens and closes the lid is shorter than the time for energizing the heating means in the drying process when the lid is not opened, the lid In addition, since the predetermined drying performance including the sealing portion of the washing tub can be obtained, the energization amount of the heating means in the drying process can be reduced, and the energy used by the dishwasher can be reduced.

  In the second invention, in particular, when the lid opening / closing detection means detects the opening / closing of the lid in the drying process, the control means of the first invention sets the time of the drying process after closing the lid from the time of the normal drying process. Since it is shortened and has the same effect as the first invention, instead of reducing the energization amount to the heating means performed in the first invention, without reducing the energization amount to the heating means, The amount of reduction in the energization amount to the heating means in the first invention can be utilized for shortening the time of the drying process. Therefore, the operation time of the dishwasher can be shortened.

  In the third invention, in particular, the control means of the second invention changes the energization time of the heating means or the shortening time of the drying process according to the timing when the lid opening / closing detection means detects the opening / closing of the lid in the drying process. When the user opens the lid in the early stage of the drying process, a lot of high-humidity air goes out of the dishwasher from the inside of the washing tank, and air outside the low-temperature dishwasher comes in. When the user opens the lid in the late stage of the drying process, air with a relative humidity almost equal to that of the air outside the dishwasher goes out of the washing tub, and air with a relative humidity substantially equal to the air in the tub Since it enters the washing tank from outside the dishwasher, it is more efficient to open the lid at the initial stage of the drying process for drying the object to be washed, so according to the timing when the user opens the lid, By the control means changing the energization time to the heating means That is, when the lid opening / closing detection means detects opening / closing of the lid at the initial stage of the drying process, the energization time to the heating means is shortened, while the lid opening / closing detection means opens / closes the lid at the latter stage of the drying process. In the case of detection, the energization time to the heating means can be optimized by shortening the energization time to the heating means a little to match the state of the air in the cleaning tank. Therefore, the energy used can be reduced according to the use situation of the dishwasher.

  Similarly, the energization time to the heating means after opening and closing the lid during the drying process is the same as the energizing time to the heating means when the lid is not opened, and the lid open / close detection means at the initial stage of the drying process When detecting the opening and closing of the lid, reduce the time of the drying process more, and if the lid opening and closing detection means detects the opening and closing of the lid at the later stage of the drying process, reduce the time of the drying process slightly Thus, the drying process time can be optimized in accordance with the state of air in the cleaning tank. Therefore, the drying process time, that is, the operation time can be shortened according to the use situation of the dishwasher.

In the fourth invention, in particular, the control means according to any one of the first to third aspects controls the drying process in conjunction with the time that the lid opening / closing detection means detects the opening of the lid in the drying process. When the lid is opened, the high humidity air in the washing tank will come out, and the low humidity air outside the dishwasher will enter the washing tank. The longer it is, the more humid air in the washing tank will come out, and more low-humidity air outside the dishwasher will enter the washing tank. It is possible to provide an environment in which water droplets adhering to the water easily evaporate. At the same time, if the lid is open for a long time, the water droplets in the vicinity of the sealing material naturally evaporate accordingly, so that the drying performance in the vicinity of the sealing material can be improved.

  Therefore, in the drying process, the drying process is controlled in conjunction with the time that the lid opening / closing detection means detects the opening of the lid, that is, the longer the time that the lid opening / closing detection means detects the opening of the lid, By shortening the energization time to the heating means after the lid is closed, the energization time to the heating means can be optimized according to the state of air in the cleaning tank. Therefore, the energy used by the dishwasher can be reduced in accordance with the use situation of the dishwasher.

  Similarly, the energization time to the heating means after opening and closing the lid during the drying process is the same as the energizing time to the heating means when the lid is not opened, and the lid open / close detection means detects the opening of the lid. The longer the time is, the shorter the drying process time after the lid is closed, so that the drying process time can be optimized in accordance with the state of the air in the cleaning tank. Therefore, the operation time of the dishwasher can be shortened according to the use situation of the dishwasher.

  In the fifth aspect of the invention, in particular, when the lid opening / closing detection means detects that the lid is opened for a predetermined time or more in the drying process, the control means of the fourth invention is heated in the drying process after the lid is closed. Since the means is not energized and the lid is opened more than the time of the fourth invention, a predetermined drying performance can be obtained even if the heating means 5 is not energized in the drying process after the lid 14 is closed. It is possible to reduce the energization amount to the heating means 5 and reduce the energy used by the dishwasher 1.

  In the sixth aspect of the invention, in particular, the control means according to any one of the first to fifth aspects is longer than the normal drying process time after the lid opening / closing detection means detects the opening / closing of the lid in the drying process, In addition, the heating means is not energized, and when the user opens and closes the lid in the drying process, the high-humidity air in the washing tank goes out of the dishwasher, and outside the low-humidity dishwasher. Since air enters the washing tub and air outside the dishwasher with low humidity is also supplied to the sealing part of the lid and the washing tub, there is an effect similar to that of the first invention. Extending the process time, de-energizing the heating means, operating only the air blowing means 12 to blow the air outside the dishwasher 1 into the washing tub 2 to dry the object to be cleaned, to the heating means Can be further reduced.

  In particular, the seventh invention is provided with an intermittent drive process in which the air blowing means is intermittently driven until a predetermined time has elapsed from the start of the drying process according to any one of the first to sixth inventions, and the lid is opened and closed during the intermittent drive process. When the detection means detects the opening and closing of the lid, it increases the time during which the blowing means is driven in the intermittent driving process after closing the lid, or shortens the time during which the blowing means is not driven, during the intermittent driving process. When the user opens the lid, high-temperature and high-humidity air goes out of the washing tank all at once, and low-humidity air outside the dishwasher enters the washing tank. Water droplets adhering to the inner wall of the cleaning tank are in a low-humidity air state that is easy to dry.

  Therefore, when the user closes the lid in this state, the high-temperature and high-humidity air is reduced and the low-humidity air is increased in the cleaning tank. Therefore, the blowing means in the drying process after the lid is closed In the intermittent drive process, the energizing time of the blowing means is lengthened or the de-energizing time is shortened, so that the air outside the dishwasher is drawn into the washing tank more than in the drying process when the lid is not opened. Even if more air is fed, since the amount of high-temperature and high-humidity air discharged from the exhaust port is reduced, it is possible to reduce damage to the cupboard or the like facing the dishwasher.

Therefore, in the intermittent drive process, it is possible to send more low-humidity air outside the dishwasher by increasing the drive time of the blower means, and the drying performance by the amount of more low-humidity air sent Therefore, it is possible to reduce the amount of energization to the heating means and reduce the energy used by the dishwasher.

  The eighth invention is particularly provided with an intermittent drive process in which the air blowing means is intermittently driven until a predetermined time has elapsed from the start of the drying process according to any one of the first to sixth inventions, and the lid is opened and closed during the intermittent drive process. When the detection means detects the opening and closing of the lid, the air blowing means is continuously energized in the drying process after the lid is closed, and the air blown into the cleaning tank by continuously energizing the air blowing means after the lid is closed. Since the amount of water can be made larger than that of the seventh invention, an effect higher than that of the seventh invention can be obtained, and the energization amount to the heating means can be further reduced to further reduce the energy used by the dishwasher. be able to.

  In particular, the ninth invention is provided with a lid opening / closing amount detecting means for detecting that the lid of any one of the first to eighth inventions is opened by a predetermined amount or more, and the lid is opened by a predetermined amount or more. More humid air in the washing tub comes out and more damp air outside the dishwasher than in the case where the lid is opened only a little. The control means can determine that it enters the inside of the cleaning tank, and it can be determined that the inside of the cleaning tank is in an environment where water droplets adhering to the object to be cleaned and the inner wall of the cleaning tank are more easily evaporated. it can. Therefore, the energization amount to the heating means after closing the lid can be reduced, and the energy used by the dishwasher can be reduced.

  In the tenth aspect of the invention, in particular, when the lid opening / closing amount detection means detects that the lid has been opened at least twice the predetermined amount of the ninth aspect of the invention, the drying process after the second closure of the lid is performed on the heating means. It is not energized, and the control means may determine that the lid has been opened at least a predetermined amount at least twice and that the high humidity air in the washing tank and the low humidity air outside the dishwasher have been replaced at least twice. Therefore, it can be determined that the inside of the cleaning tank is in an environment where water droplets adhering to the object to be cleaned and the inner wall of the cleaning tank are more easily evaporated.

  Therefore, in the drying process after the lid is closed for the second time, a predetermined drying performance can be obtained even if the heating means is de-energized. The energy used by the machine can be reduced.

  Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. In addition, the thing of the same structure as a prior art example attaches | subjects the same code | symbol, and abbreviate | omits description.

Example 1
In the dishwasher / dryer 1 shown in FIG. 1 and FIG. 2, the object to be cleaned 3 (tableware) and the dish basket 4 in which the object to be cleaned 3 (tableware) is placed can be put in and out of the washing tub 2 having an opening 2 a. A heating means 5 (for example, a sheathed heater) for heating the cleaning water is provided. The cleaning means 6 substantially disposed under the washing tank 2 is to pressurize the flush water. The cleaning water pressurized by the cleaning means 6 is sprayed from the spray hole 8 of the cleaning nozzle 7 provided in the cleaning tank 2. The cleaning water in the cleaning tank 2 is supplied from the water supply valve 9 to the cleaning tank 2 and drained by the drainage means 10.

  The filter 11 is provided in the washing tub 2, and the leftovers (the washing object 3 (tableware) are contaminated in the washing process for washing the washing object 3 (tableware) and the rinsing process for the washing object 3 (tableware). The food that was attached as is called leftovers.

The air blowing means 12 operates in a drying process, supplies air outside the dishwasher 1 into the washing tub 2 and exhausts it from the exhaust port 13, thereby cleaning the object 3 (tableware) in the washing tub 2. dry.

  A lid 14 is provided on the front surface of the cleaning tank 2 so as to be freely opened and closed. As shown in FIGS. 1 and 2, the lid opening / closing detection means 15 detects that the lid 14 is opened or closed.

  The temperature detection means 16 detects the temperature of the cleaning water, air, and heating means 5 in the cleaning tank 2.

  The control means 17 controls the water supply valve 9 to supply cleaning water into the cleaning tank 2, controls the heating means 5 based on the output of the temperature detection means 16, and the cleaning means 6, water supply valve 9, the drainage means 10, the blower means 12, etc. are controlled to sequentially control a series of steps of washing, rinsing and drying.

  To explain the operation in the above configuration, when the user opens the lid 14 forward, arranges the item 3 (tableware) in the tableware basket 4, stores it in the cleaning tank 2, puts the detergent, and then starts operation. Then, the drainage means 10 is operated, and the washing water (referred to as residual water) remaining in the washing tank 2 in the previous operation or the like is discharged out of the dishwasher 1.

  Next, the water supply valve 9 operates to supply a predetermined amount of cleaning water to the cleaning tank 2.

  When a predetermined amount of cleaning water is supplied, the cleaning water is pressurized by the cleaning means 6 and the cleaning water is sprayed from the injection holes 8 provided in the cleaning nozzle 7 together with the detergent. Thus, the cleaning process is performed. In this cleaning process, the heating means 5 provided in the cleaning tank 2 is energized to heat the cleaning water to a predetermined cleaning temperature.

  When the washing process is performed for a predetermined time, the drainage means 10 discharges the washing water including the dirt washed away from the article 3 (tableware) to the outside of the dishwasher 1. Then, the water supply valve 9 newly supplies the cleaning water, and the cleaning water is again sprayed from the injection holes 8 provided in the cleaning nozzle 7, thereby rinsing the object 3 (tableware) that is contaminated with detergent, leftovers, etc. Execute.

  When this rinsing step is completed, the washing water is again discharged out of the dishwasher 1. This rinsing process is repeated several times in succession. In the last rinsing step, the washing water is rinsed by the heating means 5 to a predetermined temperature (for example, 60 ° C.) to rinse the article 3 (tableware) to be rinsed and rinsed. In the cleaning and rinsing process, the leftovers are collected in the filter 11 provided in the cleaning tank 2.

  When the predetermined number of rinsing steps and heating rinsing steps are completed, the drying step is started. In this step, the air blowing means 12 operates and air outside the dishwasher 1 is sent into the washing tub 2. The sent air is heated by the heating means 5, then the object to be cleaned 3 (tableware) is dried and discharged from the dishwasher 1 through the exhaust port 13. After the drying process is completed, the operation is terminated.

According to the present embodiment configured as described above, after the washing process, the rinsing process, and the heating rinsing process, as shown in FIG. 3A, in the drying process performed for T1 time without opening the lid 14, Since the object to be cleaned 3 (tableware) and the washing tub 2 are heated to a predetermined rinsing temperature (for example, 60 ° C.) in the last heating rinsing step, high-humidity air exists in the washing tub 2. The low-humidity air outside the dishwasher 1 is sent into the washing tub 2 and the high-temperature and high-humidity air already present in the washing tub 2 is sent out to the outside of the washing tub 2 and the outside of the dishwasher 1 by the heating means 5. The temperature of the air fed from the air and the temperature of the air in the washing tub 2 are increased to lower the relative humidity of the air in the washing tub 2 to evaporate water droplets adhering to the object 3 (tableware) and the inner wall of the washing tub 2 Let the item to be cleaned 3 (tableware) dry However, when the air outside the dishwasher 1 is sent into the washing tub 2, the air outside the dishwasher 1 at a low temperature (for example, 5 ° C.) or room temperature (for example, 20 ° C.) is hot. By mixing with air, the temperature of the high-temperature air existing in the cleaning tank 2 is lowered and the relative humidity is increased, and it adheres to the object 3 (tableware) and the inner wall of the cleaning tank 2 as condensed water. In order to prevent this, since the low-humidity air outside the dishwasher 1 is heated by the heating means 5 and brought into a high temperature state, it is sent in, as shown in FIG. The control means 17 controls the heating means 5 so that the heating means 5 heats the air outside the dishwasher 1 by repeating the energization for t1 hours and the non-energization for t2 hours. However, as shown in FIG. 2, when the user opens the lid 14 for any reason in the drying process, high-humidity air flows out of the cleaning tank 2 from the opening 2a of the cleaning tank 2, and the low-humidity tableware. Since air outside the cleaning machine 1 enters the cleaning tank 2 through the opening 2a, after the user opens and closes the lid 14, the air in the cleaning tank 2 becomes the object to be cleaned 3 (tableware). In addition, the water droplets adhering to the inner wall of the cleaning tank 2 are in a low-humidity state that is easier to dry than the state where the lid 14 is not opened.

Therefore, as shown in FIG. 2, a lid opening / closing detection means 15 that directly detects the opening / closing of the lid 14 is provided, and in the drying process, the user opens and closes the lid 14 for some reason (the inside of the cleaning tank 2 is closed). When the lid opening / closing detection means 15 detects that the object to be cleaned 3 (tableware) or the water droplets adhering to the inner wall of the cleaning tank 2 is in a low-humidity state that is easy to dry, as shown in FIG. The time t3 for energizing the heating means 5 in the drying process after closing the lid 14 with the same number of times the heating means 5 is energized or de-energized is the drying process when the lid 14 is not opened. The time t4 during which the heating means 5 in the drying process after closing the lid 14 is deenergized is shortened to the heating means 5 in the drying process when the lid 14 is not opened. Even if it is longer than the time t2 during which no power is supplied, a predetermined drying property is obtained. It is possible to obtain. Therefore, the energization amount of the heating means 5 in the drying process is
(Power consumption of heating means 5) X (t1-t3)
X (number of energizations of the heating means 5 after the lid 14 is opened and closed)
Therefore, the energy used by the dishwasher 1 can be reduced. Here, the lid opening / closing detection means 15 directly detects opening / closing of the lid 14 by pressing a switch when the lid 14 is closed.

  Further, as shown in FIGS. 1 and 2, a sealing material 18 such as rubber packing is provided in the vicinity of the contact portion 2b in order to prevent cleaning water and air from leaking from the contact portion 2b between the lid 14 and the cleaning tank 2. However, since the sealing material 18 is pressed against the lid 14 and the cleaning tank 2 so that water leakage and air leakage do not occur, as shown in FIG. Many water droplets W adhere to the periphery (FIGS. 4 (a) and 4 (b) show the water droplets W only on the top of the lid 14 and the cleaning tank 2 because of the longitudinal sectional view). However, since the sealing material 18 is disposed over the entire circumference of the opening 2a of the cleaning tank 2, water droplets W are also present over the entire circumference of the opening 2a).

Further, since the sealing material 18 is in close contact with the lid 14 and the cleaning tank 2, air does not flow from the cleaning tank 2 to the outside of the cleaning tank 2 through the sealing material 18 as shown in FIG. become. Therefore, in the drying process, the air in the washing tank 2 is not supplied so much to the periphery of the sealing material 18 that is in close contact with the lid 14 or the washing tank 2 and is discharged out of the dishwasher 1 from the exhaust port 13. There is a problem that the water droplets W around the sealing material 18 are not dried in a predetermined drying process or that it takes a long time to dry (if the water droplets W around the sealing material 18 are not dried, the drying process ends. Later, when the user opens the lid 14, water drops W drip from the periphery of the sealing material 18 to wet the user's hand or arm, or the inner wall of the lid 14 or the object to be cleaned 3 dried in the drying process. Since the water droplets W may adhere to the (tableware) again, it is necessary to dry the water droplets W around the sealing material 18). However, when the user opens the lid 14 in the drying process, FIG. ) As shown in FIG. Alternatively, once away from the washing tank 2, it is possible to supply air outside the dishwasher / dryer 1 with low humidity around the sealing material 18, improve evaporation of water droplets W around the sealing material 18, and the sealing material 18. The peripheral drying performance can be improved.

  From the above, the time t3 for energizing the heating means 5 in the drying process after the user opens and closes the lid 14 is longer than the time t1 for energizing the heating means 5 in the drying process when the lid 14 is not opened. Even if it is shortened, the predetermined drying performance including the lid 14 and the sealing portion of the washing tub 2 can be obtained, so that the energization amount of the heating means 5 in the drying process can be reduced and the dishwasher 1 can be used. Energy can be reduced.

  In the present embodiment, the dishwasher / dryer 1 of the type in which the lid 14 is opened and the object 3 (tableware) and the dish basket 4 in the washing tank 2 are drawn out has been described. However, as shown in FIG. The dishwasher / dryer 1 of the type in which the washing tub 2 having the opening 2a is pulled out and the object 3 (tableware) is taken in and out from above the washing tub 2 has the same effect. In this case, as shown in FIG. 5, the lid opening / closing detection means 15 is disposed in the vicinity of the link mechanism 19 that closes the lid 14 to the opening 2 a of the cleaning tank 2, and based on the movement of the link mechanism 19, The opening and closing of the lid 14 may be indirectly detected (in the dishwasher 1 as shown in FIG. 5, when the washing tub 2 is stored in a predetermined position of the dishwasher 1, the lid 14 is linked to the link mechanism. The opening 19a of the cleaning tank 2 is automatically closed by the part 19 or the like).

  Further, the degree to which the air inside the washing tub 2 and the air outside the dishwasher 1 are exchanged and the accompanying drying performance are determined by the time when the user opens the lid 14 and the timing when the lid 14 is opened in the drying process (drying). Whether it opens at the beginning of the process, or at the middle or later stage), the shape of the dishwasher 1, etc., so that the heating means 5 in the drying process after closing the lid 14 is turned off or is de-energized. Various numerical values apply to the time t4. As an example, the energization / non-energization cycle time of the heating means 5 is 1 minute, and the time t1 for energizing the heating means 5 in the drying process when the lid 14 shown in FIG. 3A is not opened is 12 seconds. (The non-energization time t2 is 48 seconds), and the heating means 5 is set to 10 seconds (the non-energization time t4 is 50 seconds) by energizing the heating means 5 in the drying process after the lid 14 is opened and closed. The energization time of the heating means 5 can be deleted for 2 seconds with respect to 1 minute which is the energization / non-energization cycle time of 1 time (the drying process after the lid 14 is opened and closed). Needless to say, the time t3 during which the heating means 5 is energized is an energization time for obtaining a predetermined drying performance).

  In addition, as shown in FIGS. 6A and 6B, in the drying process after the user opens and closes the lid 14, the heating means 5 is energized / de-energized for a period of time. When the heating means 5 is not energized, the heating means 5 is energized and deenergized, and the drying process time itself is shortened (for example, the drying process time including the time Ta when the lid 14 is opened). Even if T2 is set such that (drying process time T1 when the lid 14 is not opened) + (the time Ta when the lid 14 is opened) or the like, a predetermined drying performance can be obtained. Therefore, the drying process time can be shortened, that is, the operation time of the dishwasher 1 can be shortened.

  Further, in the drying process after the user opens and closes the lid 14, the high humidity air in the washing tub 2 goes out of the dishwasher 1, and the air outside the low-humidity dishwasher 1 is washed in the washing tub. 2 and the seal 14 between the lid 14 and the washing tub 2 is supplied with air outside the low-humidity dishwasher 1. Energization is performed, and only the air blowing means 12 is operated so that air outside the dishwasher 1 is blown into the washing tub 2 to dry the object to be cleaned 3 (tableware), thereby further increasing the energization amount to the heating means 5. You may make it reduce.

Needless to say, when the lid detecting means 15 detects that the lid 14 is opened, the control means 17 deenergizes the heating means 5 and the air blowing means 12.

  In this embodiment, the number of repetitions of energization / non-energization time of the heating means 5 during the drying process is described as being the same when the lid 14 is not opened and when the lid 14 is opened during the drying process. The number of repetitions may be different depending on whether 14 is opened or not. For example, the energization time t3 to the heating means 5 after the lid 14 is opened and closed is the same as the energization time t1 to the heating means 5 when the lid 14 is not opened (t3 = t1), and the lid 14 is opened. The non-energization time t4 of the heating means 5 after being closed is made longer than the non-energization time t2 of the heating means 5 when the lid 14 is not opened, and the number of repetitions of the energization-non-energization time is also closed by opening the lid 14 The number of cases may be smaller than the case where the lid 14 is not opened.

  Needless to say, the energization time t3, the non-energization time t4, the number of repetitions of the energization-non-energization time to the heating means 5 after the lid 14 is opened and closed can obtain a predetermined drying performance.

  In the present embodiment, the energization method for the heating means 5 during the drying process is described as a method of repeating energization-non-energization, but a method of changing the power consumption of the heating means 5 using phase control or the like (for example, An 800 W sheathed heater may be controlled by phase control in the drying process and used at 200 W, 100 W, or the like. In this case, in the drying process after the lid 14 is opened and closed, the power consumption of the heating means 5 may be made smaller than that before the lid 14 is opened.

  Then, as shown in FIG. 7 (a), in the drying process, the relative humidity of the air in the cleaning tank 2 is approximately 100% at the initial stage of the drying process, and decreases as the drying process proceeds. Immediately before the end of the drying step, the relative humidity (for example, 60%) is substantially the same as the air outside the dishwasher 1.

  Therefore, when the user opens the lid 14 in the initial stage of the drying process, a lot of high-humidity air goes out of the washing tub 2 to the outside of the dishwasher 1 and the air outside the low-humidity dishwasher 1 enters. When the user opens the lid 14 later in the drying process, air having a relative humidity substantially equal to that of the air outside the dishwasher 1 comes out of the washing tub 2 and the air in the washing tub 2 Since air with a relative humidity substantially equal to the air enters the washing tank 2 from the outside of the dishwasher 1, it is more efficient to open the lid 14 at the initial stage of the drying process for drying the article 3 (tableware). It is.

Therefore, the control means 17 changes the energization time to the heating means 5 and the shortening time of the drying process in accordance with the timing when the user opens the lid 14, that is, as shown in FIG. When the lid opening / closing detection means 15 detects opening / closing of the lid 14 at the initial stage of the process, the energization time to the heating means 5 is further shortened (for example, the heating means 5 in the drying process when the lid 14 is not opened). If the time t1 for energizing is 12 seconds, the time t3 for energizing the heating means 5 in the drying process after the lid 14 is opened and closed is reduced to 3 seconds by setting the time t3 to 9 seconds), or the lid 14 is opened. Whether the lid 14 is opened or not, the energization / non-energization time of the heating means 5 is set to the same t1, t2, and the drying process is shortened (for example, the drying process time when the lid 14 is not opened). 30 minutes, the first drying process When the lid opening / closing detection means 15 detects the opening / closing of the lid 14 on the side, the drying process time is reduced to 25 minutes by 5 minutes, etc.), while, as shown in FIG. When the lid opening / closing detection means 15 detects the opening / closing of the lid 14, the energization time to the heating means 5 is slightly shortened (for example, the time t 1 to energize the heating means 5 in the drying process when the lid 14 is not opened). Is 12 seconds, the time t5 for energizing the heating means 5 in the drying step after the lid 14 is opened and closed is shortened by 1 second by setting the time t5 to 11 seconds, or the lid 14 is not opened. Even when the heater is opened, the energization / non-energization time to the heating means 5 is set to the same t1 and t2, and the time for shortening the drying process is reduced (for example, the drying process time when the lid 14 is not opened is 30
If the lid opening / closing detection means 15 detects the opening / closing of the lid 14 at the initial stage of the drying process, the drying process time is reduced to 1 minute by 29 minutes, etc.) The time for energizing the heating means 5 and the time for the drying process can be optimized according to the above. Therefore, the energy used can be reduced in accordance with the usage situation of the dishwasher 1, and the drying process time of the dishwasher 1, that is, the operation time can be shortened.

  Then, in the drying process, when the lid 14 is opened, high-humidity air in the washing tub 2 comes out, and low-humidity air outside the dishwasher 1 enters the washing tub 2. FIG. As shown in (a) and FIG. 8 (b), the longer the time Ta and Tb that the lid 14 is open, the more humid air in the washing tub 2 comes out and the more dishwashing and drying. It is possible to provide an environment in which low-humidity air outside the machine 1 enters the cleaning tank 2 and water droplets attached to the object 3 (tableware) and the inner wall of the cleaning tank 2 are more likely to evaporate. it can. At the same time, if the lid 14 is open for a long time, the water droplets W in the vicinity of the sealing material 18 naturally evaporate accordingly, so that the drying performance in the vicinity of the sealing material 18 can be improved.

  Therefore, in the drying process, the drying process is controlled in conjunction with the time Ta during which the lid opening / closing detection means 15 detects the opening of the lid 14, that is, the lid opening / closing detection means 15 detects the opening of the lid 14. The longer the time Ta is, the shorter the energization time to the heating means 5 after the lid 14 is closed (for example, as shown in FIGS. 8A and 8B, the lid 14 is opened). When the opening time is Ta, when the opening time of the lid 14 is Tb, compared to the energization time t6 of the heating means 5 in the drying process after the lid 14 is closed, the drying process after the lid 14 is closed. The energization time t7 of the heating means 5 is shorter, etc.), or both when the lid 14 is not opened and when the lid 14 is opened, the energization / non-energization time to the heating means 5 is set to the same t1 and t2. The drying process time after closing, the time for opening the lid 14 becomes longer. By throat shortened, it is possible to optimize the time of the energization time or the drying process to the heating means 5 in accordance with the air in the state of the cleaning tank 2. Therefore, it is possible to reduce the use energy of the dishwasher 1 or to shorten the drying process time, that is, the operation time, in accordance with the use situation of the dishwasher 1.

  In the drying process performed after the lid 14 is opened for the predetermined time Tb or more shown in FIG. 8B, the heating means 5 is not energized and only the blowing means 12 is driven to drive the low-humidity dishwasher. A predetermined drying performance can be obtained simply by feeding air outside the air. Therefore, when the lid detecting means 15 detects that the lid 14 is open for a predetermined time Tb or more, the heating means 5 is deenergized in the drying process after the lid 14 is closed, thereby energizing the heating means 5. Therefore, the energy used by the dishwasher 1 can be reduced.

  Then, in the last heating rinsing step, as shown in FIG. 9, the washing water is heated to a predetermined rinsing temperature Tr (for example, 60 ° C.) and then proceeds to the drying step. Then, the inside of the cleaning tank 2 is in a high temperature and high humidity state (for example, a temperature of 60 ° C. and a relative humidity of 100%). Therefore, as shown in Patent Document 2, the air blower 12 is intermittently driven for a predetermined time Tα from the start of the drying process, and the air outside the dishwasher 1 is gradually fed into the washing tub 2 to increase the high temperature inside the washing tub 2. Intermittent driving process A is provided to exhaust the humid air little by little (if the blowing means 12 is continuously energized to discharge the high temperature and high humidity air in the cleaning tank 2 at once, the high temperature and high humidity air is provided. Is discharged from the exhaust port 13 in a substantially horizontal direction, so that the cupboard (not shown) on the opposite side of the dishwasher 1 may be damaged by the exhausted high-temperature and high-humidity air. However, when the user opens the lid 14 within a predetermined time Tα, as shown in FIG. 10, high-temperature and high-humidity air goes out of the washing tank 2 all at once, and the low-humidity outside the dishwasher 1 Since air enters the cleaning tank 2, the cleaning tank 2 is cleaned. Water droplets adhering to the purified product 3 (tableware), the inner wall of the washing tub 2 and the like are in a state of low-humidity air that is easy to dry.

Therefore, when the user closes the lid 14 in this state, the high-temperature and high-humidity air decreases in the cleaning tank 2 and the low-humidity air increases. Therefore, in the drying process after the lid 14 is closed. In the intermittent drive step A of the air blowing means 12, the energization time S1 of the air blowing means 12 is set to the energization time S3 as shown in FIG. 11 (a), or the non-energization as shown in FIG. 11 (b). Even if the non-energization time S4 with the time S2 shortened and the air outside the dishwasher 1 is fed more into the washing tub 2 than in the drying process when the lid 14 is not opened, the exhaust port 13 Since the amount of discharged high-temperature and high-humidity air is reduced, it is possible to reduce damage to the cupboard or the like facing the dishwasher 1.

  Therefore, in the intermittent drive process A, the driving time S1 of the air blowing means 12 can be increased to send more low-humidity air outside the dishwasher 1 into the washing tub 2, and more low-humidity air is sent. Since the drying performance can be improved as much as possible, the amount of power applied to the heating means 5 can be reduced, the energy used by the dishwasher 1 can be reduced, and the drying process time can be shortened. be able to.

  In the drying process after the lid 14 is opened and closed, the intermittent drive process A of the blower unit 12 may be eliminated and the blower unit 12 may be continuously driven. In that case, the energization amount to the heating means 5 can be further reduced to reduce the energy used by the dishwasher 1 or to shorten the drying time.

  Further, in the present embodiment, the number of repetitions of the energization / non-energization time of the blowing means 12 during the drying process is described as being the same when the lid 14 is not opened and when the lid 14 is opened during the drying process. The number of repetitions may be different depending on whether 14 is opened or not.

  Then, as shown in FIG. 12, it is detected that the lid 14 is opened by a predetermined amount α or more by providing a lid opening / closing amount detection means 20 for detecting that the lid 14 is opened by a predetermined amount α (for example, 90 °) or more. Therefore, more humid air in the washing tub 2 goes out than when the lid 14 is opened a little, and more damp air outside the dishwasher / dryer 1 is washed out. The control means 17 can determine that the water enters the tank 2, and the inside of the cleaning tank 2 becomes an environment in which water droplets adhering to the object 3 (tableware) and the inner wall of the cleaning tank 2 are more easily evaporated. Can be judged. Therefore, the energization amount to the heating means 5 after closing the lid 14 can be reduced, the energy used by the dishwasher 1 can be reduced, and the drying process time can be shortened. .

  Then, when the lid opening / closing amount detection means 20 detects opening / closing of the lid 14 at least twice, the lid 14 is opened at least twice the predetermined amount α, and the high humidity air in the washing tub 2 and the low humidity outside the dishwasher 1 are opened. The control means 17 can determine that the replacement of the air has been performed at least twice, and water droplets adhering to the object to be cleaned 3 (tableware) and the inner wall of the cleaning tank 2 are further evaporated. It can be judged that the environment is easy.

  Therefore, in the drying process after the lid 14 is closed for the second time, a predetermined drying performance can be obtained even if the heating means 5 is de-energized, so that the energization amount to the heating means 5 can be reduced. The energy used by the dishwasher 1 can be reduced.

  Note that the same effect can be obtained even if the heating means 5 is de-energized after the lid opening / closing amount detection means 20 detects the opening / closing of the lid 14 three times or more.

As described above, the dishwasher according to the present invention reduces the amount of power applied to the heating means after the lid is opened and closed in the drying process, so the energy-saving property of the dishwasher can be improved. not only the dishwasher for home use, can also be applied to the use of the dishwasher for the business.

DESCRIPTION OF SYMBOLS 1 Dishwasher 2 Washing tank 2a Opening part 3 To-be-washed object 5 Heating means 6 Cleaning means 12 Blowing means 14 Lid 15 Lid opening / closing detection means 17 Control means 20 Lid opening / closing amount detection means

Claims (13)

A dishwasher for washing, rinsing and drying the object to be cleaned,
A cleaning tank having an opening, a cleaning means for cleaning the cleaning object stored in the cleaning tank, a heating means for heating cleaning water and air supplied to the cleaning object, and blowing air to the cleaning object A blower, a lid that closes the cleaning tank substantially by closing the opening, a lid opening / closing detection unit that directly or indirectly detects opening / closing of the lid, and operation of the dishwasher A dishwasher for controlling the drying process for drying the article to be cleaned in conjunction with the detection status of the lid opening / closing detection means. 2. The dishwasher according to claim 1, wherein when the lid opening / closing detection unit detects opening / closing of the lid in the drying step, the control unit shortens the energization time of the heating unit after the lid is closed. The said control means makes the time of the said drying process after closing the said lid | cover shorter than the time of the said usual drying process, when the said cover opening / closing detection means detects opening / closing of the said lid | cover in the said drying process. The dishwasher described. The said control means changes the electricity supply time to the said heating means, or the shortening time of the said drying process by the timing which the said cover opening / closing detection means detected the opening / closing of the said lid | cover in the said drying process. Dishwasher. 5. The dishwashing apparatus according to claim 4, wherein the control unit shortens the energization time of the heating unit or the time of the drying step as the timing at which the lid opening / closing detection unit detects opening / closing of the lid in the drying step is earlier. Dryer. The dishwashing apparatus according to any one of claims 1 to 5, wherein the control unit controls the drying step in conjunction with a time during which the lid opening / closing detection unit detects opening of the lid in the drying step. Dryer. The said control means shortens the energization time to the said heating means, or shortens the time of the said drying process, so that the time when the said lid | cover opening / closing detection means has detected the opening of the said lid | cover in the said drying process is long. 6. The dishwasher according to 6. The said control means does not energize the said heating means in the drying process after the said lid | cover is closed, when the said cover open / close detection means detects that the said cover is open more than predetermined time in the said drying process. Dishwasher as described in. 9. The control unit according to claim 1, wherein after the lid opening / closing detection unit detects opening / closing of the lid in the drying step, the control unit is longer than a normal time of the drying step and does not energize the heating unit. A dishwasher according to claim 1. Wherein the blowing means from the drying process starts until a predetermined time elapses intermittent driving step is provided for intermittently driving,
When the lid opening / closing detection means detects the opening / closing of the lid during the intermittent driving process, the time during which the air blowing means is driven in the intermittent driving process after the lid is closed or the air blowing means is driven. The dishwasher according to any one of claims 1 to 8, wherein a time during which the dish is not used is shortened. Wherein the blowing means from the drying process starts until a predetermined time elapses intermittent driving step is provided for intermittently driving,
9. The device according to claim 1, wherein when the lid opening / closing detection unit detects opening / closing of the lid during the intermittent driving step, the air blowing unit is continuously energized in a drying step after the lid is closed. Dishwasher. The dishwasher according to any one of claims 1 to 11, further comprising lid opening / closing amount detection means for detecting that the lid is opened by a predetermined amount or more. The said drying process after the said 2nd lid | cover is closed when the said lid | cover opening / closing amount detection means detects that the said lid | cover opened more than predetermined amount at least 2 times, The said heating process does not energize the said heating means. Dishwasher.

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